@font-face{font-family:"DM Serif Display";font-style:normal;font-weight:400;font-display:swap;src:url(assets/fonts/dm-serif-display-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"DM Serif Display";font-style:italic;font-weight:400;font-display:swap;src:url(assets/fonts/dm-serif-display-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Instrument Sans";font-style:normal;font-weight:400 700;font-display:swap;src:url(assets/fonts/instrument-sans-latin-wght-normal.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400;font-display:swap;src:url(assets/fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:500;font-display:swap;src:url(assets/fonts/jetbrains-mono-latin-500-normal.woff2) format("woff2")}
/* IkiTech Solutions — site styles
   Layout: dark navy "control room" shell with lavender-paper bands for proof and offer;
   one serif display voice (echoes the wordmark), a quiet sans for reading, mono for system labels. */
@layer reset, tokens, base, layout, components, sections, utilities;

@layer tokens {
  :root {
    color-scheme: dark;
    /* palette (brand: navy #16303F, steel #5185A4/#6FA8C9, lavender #D2D9E9) */
    --ink: #0e1b24;          /* page ground, deeper than brand navy */
    --navy: #16303f;         /* elevated dark surfaces */
    --navy-2: #1c3a4b;
    --slate: #32515f;
    --steel: #5185a4;
    --steel-light: #6fa8c9;
    --lavender: #d2d9e9;
    --paper: #eef1f7;        /* light bands, lavender-tinted */
    --paper-2: #ffffff;
    --clay: #de8f78;         /* deck terracotta, lifted for contrast; used sparingly */

    /* semantic */
    --bg: var(--ink);
    --fg: #e7ebf3;
    --fg-muted: #a9b6c6;
    --line: rgb(210 217 233 / 0.14);
    --accent: var(--steel-light);
    --on-light: #16303f;
    --on-light-muted: #4a5f6d;
    --line-light: rgb(22 48 63 / 0.14);
    --link-light: #2f6688;
    --danger: #ffb4a6;
    --danger-light: #a33a24;

    /* type */
    --font-display: "DM Serif Display", "Iowan Old Style", Georgia, serif;
    --font-sans: "Instrument Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

    --step--1: clamp(0.8rem, 0.78rem + 0.1vw, 0.86rem);
    --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.09rem);
    --step-1: clamp(1.15rem, 1.08rem + 0.35vw, 1.35rem);
    --step-2: clamp(1.4rem, 1.25rem + 0.7vw, 1.8rem);
    --step-3: clamp(1.9rem, 1.55rem + 1.6vw, 2.9rem);
    --step-4: clamp(2.4rem, 1.8rem + 2.9vw, 4.3rem);

    /* space & shape */
    --gutter: clamp(16px, 4vw, 40px);
    --section: clamp(4rem, 3rem + 5vw, 7.5rem);
    --radius: 14px;
    --radius-sm: 8px;
    --container: 1200px;
    --header-h: 72px;
    --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
    --z-header: 50;
  }
}

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  :where(body, h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd) { margin: 0; }
  :where(ul, ol)[role="list"], .list-reset { list-style: none; padding: 0; }
  img, svg { display: block; max-width: 100%; }
  img { height: auto; }
  input, button, select, textarea { font: inherit; color: inherit; }
  button { cursor: pointer; }
  [hidden] { display: none !important; }
}

@layer base {
  html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
  body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-sans);
    font-size: var(--step-0);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  h1, h2, h3 { line-height: 1.12; text-wrap: balance; font-weight: 400; }
  h1, h2 { font-family: var(--font-display); letter-spacing: -0.01em; }
  h3 { font-family: var(--font-sans); font-weight: 600; font-size: var(--step-1); letter-spacing: -0.005em; }
  p { text-wrap: pretty; }
  a { color: inherit; text-underline-offset: 0.2em; }
  :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
  ::selection { background: var(--steel); color: #fff; }
}

@layer layout {
  .container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
  .section { padding-block: var(--section); position: relative; }
  .section--light { background: var(--paper); color: var(--on-light); }
  .section--light :focus-visible { outline-color: var(--link-light); }
  .section--navy { background: var(--navy); }
  .section-head { display: grid; gap: 1rem; max-width: 46rem; margin-block-end: clamp(2.5rem, 2rem + 2vw, 4rem); }
  .section-head--split { max-width: none; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: end; gap: 1rem 4rem; }
  .section-head h2 { font-size: var(--step-3); }
  .section-head .lead { color: var(--fg-muted); font-size: var(--step-1); line-height: 1.5; max-width: 38rem; }
  .section--light .section-head .lead { color: var(--on-light-muted); }
  @media (max-width: 860px) { .section-head--split { grid-template-columns: 1fr; } }
}

@layer components {
  .skip-link {
    position: absolute; inset-inline-start: 1rem; top: -100px; z-index: 100;
    background: var(--lavender); color: var(--on-light); padding: 0.6rem 1rem; border-radius: var(--radius-sm); font-weight: 600;
  }
  .skip-link:focus { top: 1rem; }

  .eyebrow {
    font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--accent); display: inline-flex; align-items: center; gap: 0.6rem;
  }
  .eyebrow::before { content: ""; inline-size: 1.75rem; block-size: 1px; background: currentColor; opacity: 0.7; }
  .section--light .eyebrow { color: var(--link-light); }

  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
    min-height: 48px; padding: 0.75rem 1.35rem; border-radius: 999px; border: 1px solid transparent;
    font-weight: 600; font-size: 0.98rem; text-decoration: none; line-height: 1.2;
    transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
  }
  .btn svg { inline-size: 1.05em; block-size: 1.05em; transition: transform 0.2s var(--ease); }
  .btn:hover svg { transform: translateX(3px); }
  .btn--primary { background: var(--lavender); color: var(--on-light); }
  .btn--primary:hover { background: #fff; }
  .btn--ghost { border-color: rgb(210 217 233 / 0.35); color: var(--fg); }
  .btn--ghost:hover { border-color: var(--lavender); background: rgb(210 217 233 / 0.06); }
  .btn--dark { background: var(--navy); color: #fff; }
  .btn--dark:hover { background: var(--slate); }
  .btn--sm { min-height: 40px; padding: 0.5rem 1rem; font-size: 0.9rem; }

  .check-list { display: grid; gap: 0.6rem; padding: 0; list-style: none; }
  .check-list li { display: grid; grid-template-columns: 1.1rem minmax(0, 1fr); gap: 0.7rem; align-items: start; }
  .check-list li::before {
    content: ""; inline-size: 0.55rem; block-size: 0.55rem; margin-block-start: 0.6em; border-radius: 2px;
    background: var(--accent); transform: rotate(45deg); justify-self: center;
  }
  .section--light .check-list li::before { background: var(--steel); }

  .tag {
    font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
    padding: 0.3rem 0.6rem; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap;
  }
}

/* ---------- Header ---------- */
@layer sections {
  .site-header {
    position: sticky; top: env(safe-area-inset-top, 0px); z-index: var(--z-header);
    background: rgb(14 27 36 / 0.82); backdrop-filter: saturate(140%) blur(14px); -webkit-backdrop-filter: saturate(140%) blur(14px);
    border-block-end: 1px solid transparent; transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
  }
  .site-header.is-scrolled { border-block-end-color: var(--line); background: rgb(14 27 36 / 0.94); }
  .header-inner { display: flex; align-items: center; gap: 1.5rem; min-height: var(--header-h); }
  .brand { display: inline-flex; color: var(--lavender); flex-shrink: 0; border-radius: 4px; }
  .brand svg { inline-size: 132px; block-size: auto; }
  .primary-nav { margin-inline-start: auto; }
  .primary-nav ul { display: flex; gap: 0.25rem; list-style: none; padding: 0; margin: 0; }
  .primary-nav a {
    display: inline-flex; padding: 0.5rem 0.8rem; border-radius: 999px; text-decoration: none; color: var(--fg-muted);
    font-size: 0.95rem; font-weight: 500; transition: color 0.2s, background-color 0.2s;
  }
  .primary-nav a:hover, .primary-nav a[aria-current="true"] { color: var(--fg); background: rgb(210 217 233 / 0.07); }
  .header-actions { display: flex; align-items: center; gap: 0.75rem; }
  .lang-switch {
    display: inline-flex; align-items: center; gap: 0.15rem; padding: 0.2rem; border: 1px solid var(--line); border-radius: 999px;
    font-family: var(--font-mono); font-size: 0.78rem;
  }
  .lang-switch a, .lang-switch span { padding: 0.35rem 0.6rem; border-radius: 999px; text-decoration: none; line-height: 1; min-width: 2.25rem; text-align: center; }
  .lang-switch [aria-current="true"] { background: var(--lavender); color: var(--on-light); font-weight: 700; }
  .lang-switch a { color: var(--fg-muted); }
  .lang-switch a:hover { color: var(--fg); }
  .nav-toggle {
    display: none; inline-size: 44px; block-size: 44px; border-radius: 999px; border: 1px solid var(--line); background: transparent;
    align-items: center; justify-content: center;
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
    display: block; inline-size: 18px; block-size: 1.5px; background: var(--fg); position: relative; transition: transform 0.25s var(--ease), background-color 0.2s;
  }
  .nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; inset-inline-start: 0; }
  .nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }
  .nav-toggle[aria-expanded="true"] span { background: transparent; }
  .nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

  @media (max-width: 1080px) {
    .header-cta { display: none; }
  }
  @media (max-width: 920px) {
    .nav-toggle { display: inline-flex; }
    .header-actions { margin-inline-start: auto; }
    .primary-nav {
      position: absolute; inset-inline: 0; top: 100%; margin: 0; background: var(--ink); border-block-end: 1px solid var(--line);
      padding: 0.5rem var(--gutter) 1.25rem; display: none;
    }
    .primary-nav.is-open { display: block; }
    .primary-nav ul { flex-direction: column; gap: 0; }
    .primary-nav a { display: flex; padding: 0.9rem 0.25rem; border-radius: 0; border-block-end: 1px solid var(--line); font-size: 1.05rem; color: var(--fg); background: none; }
    .primary-nav .nav-cta { margin-block-start: 1rem; display: flex; }
    .primary-nav .nav-cta .btn { inline-size: 100%; }
  }
  @media (min-width: 921px) { .primary-nav .nav-cta { display: none; } }

  /* ---------- Hero ---------- */
  .hero { padding-block: clamp(3rem, 2rem + 5vw, 6.5rem) clamp(3.5rem, 2rem + 5vw, 6rem); overflow: hidden; isolation: isolate; }
  .hero::before {
    /* faint engineering grid */
    content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0.5;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 70% 70% at 70% 40%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 70% 40%, #000 20%, transparent 75%);
  }
  .hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(2rem, 1rem + 4vw, 4.5rem); align-items: center; }
  .hero-copy { display: grid; gap: 1.5rem; justify-items: start; }
  .hero h1 { font-size: var(--step-4); line-height: 1.04; }
  .hero h1 em { font-style: italic; color: var(--steel-light); }
  .hero .lead { font-size: var(--step-1); color: var(--fg-muted); max-width: 34rem; line-height: 1.55; }
  .hero-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-block-start: 0.5rem; }
  .hero-proof { display: flex; flex-wrap: wrap; gap: 0.5rem 1.75rem; margin-block-start: 1rem; padding: 0; list-style: none; }
  .hero-proof li { display: grid; gap: 0.1rem; }
  .hero-proof strong { font-family: var(--font-display); font-weight: 400; font-size: var(--step-2); line-height: 1; color: var(--fg); }
  .hero-proof span { font-size: 0.85rem; color: var(--fg-muted); }
  @media (max-width: 920px) { .hero-grid { grid-template-columns: 1fr; } }
  @media (max-width: 560px) { .hero-proof { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; } .hero-proof span { font-size: 0.78rem; line-height: 1.35; } .hero-ctas .btn { flex: 1 1 100%; } }

  /* C4-style container diagram */
  .arch {
    position: relative; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, rgb(22 48 63 / 0.75), rgb(14 27 36 / 0.6));
    padding: 1rem; box-shadow: 0 30px 80px -40px rgb(0 0 0 / 0.7);
  }
  .arch-bar { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: 0.15rem 0.35rem 0.85rem; border-block-end: 1px solid var(--line); margin-block-end: 0.75rem; }
  .arch-bar span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-muted); letter-spacing: 0.04em; }
  .arch-dots { display: inline-flex; gap: 6px; }
  .arch-dots i { inline-size: 8px; block-size: 8px; border-radius: 50%; background: var(--slate); }
  .arch-dots i:first-child { background: var(--clay); }
  .arch-svg { inline-size: 100%; block-size: auto; }
  .arch-svg .node rect { fill: #13283a; stroke: rgb(111 168 201 / 0.45); stroke-width: 1; }
  .arch-svg .node--core rect { fill: #1f2f3a; stroke: rgb(222 143 120 / 0.7); stroke-dasharray: 4 3; }
  .arch-svg .node--hub rect { fill: #1d4057; stroke: var(--steel-light); }
  .arch-svg .node--obs rect { fill: none; stroke: rgb(210 217 233 / 0.3); stroke-dasharray: 2 4; }
  .arch-svg .n-title { fill: #eef2f8; font: 600 12.5px var(--font-sans); }
  .arch-svg .n-kind { fill: #8fb3c9; font: 500 9.5px var(--font-mono); letter-spacing: 0.03em; }
  .arch-svg .n-kind--core { fill: #e3a08c; }
  .arch-svg .edge { fill: none; stroke: rgb(111 168 201 / 0.35); stroke-width: 1.25; }
  .arch-svg .flow { fill: none; stroke: var(--steel-light); stroke-width: 1.75; stroke-dasharray: 6 14; stroke-linecap: round; animation: flow 2.4s linear infinite; }
  .arch-svg .flow--slow { animation-duration: 3.6s; }
  .arch-svg .flow--clay { stroke: var(--clay); }
  .arch-svg .edge-label { fill: #8ea2b3; font: 500 9px var(--font-mono); }
  @keyframes flow { to { stroke-dashoffset: -40; } }
  .arch figcaption { font-size: 0.8rem; color: var(--fg-muted); padding: 0.75rem 0.35rem 0.1rem; border-block-start: 1px solid var(--line); margin-block-start: 0.5rem; }
  @media (prefers-reduced-motion: reduce) { .arch-svg .flow { animation: none; stroke-dasharray: none; opacity: 0.6; } }

  /* ---------- Clients ---------- */
  .clients { padding-block: clamp(3rem, 2.5rem + 2vw, 4.5rem); }
  .clients-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 0.5rem 2rem; margin-block-end: 2rem; }
  .clients-head h2 { font-family: var(--font-sans); font-weight: 600; font-size: var(--step-1); letter-spacing: 0; }
  .clients-head p { color: var(--on-light-muted); font-size: 0.95rem; }

  /* ---------- Challenges ---------- */
  .challenges { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; padding: 0; list-style: none; }
  .challenge { display: grid; grid-template-rows: auto 1fr auto; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: rgb(22 48 63 / 0.35); }
  .challenge-problem { padding: 1.75rem 1.5rem 1.5rem; display: grid; gap: 0.75rem; align-content: start; }
  .challenge-problem .k { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--clay); }
  .challenge h3 { font-size: var(--step-1); }
  .challenge p { color: var(--fg-muted); font-size: 0.97rem; }
  .challenge-answer { padding: 1.1rem 1.5rem 1.4rem; border-block-start: 1px solid var(--line); background: rgb(111 168 201 / 0.07); display: grid; gap: 0.25rem; }
  .challenge-answer .k { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); }
  .challenge-answer strong { font-weight: 600; color: var(--fg); }
  @media (max-width: 920px) { .challenges { grid-template-columns: 1fr; } }

  /* ---------- Solutions ---------- */
  .solutions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; padding: 0; list-style: none; border-block-start: 1px solid var(--line-light); }
  .solution { display: grid; grid-template-columns: 3.25rem minmax(0, 1fr); gap: 1.25rem; padding: 2rem 2rem 2.25rem 0; border-block-end: 1px solid var(--line-light); }
  .solution:nth-child(odd) { border-inline-end: 1px solid var(--line-light); }
  .solution:nth-child(even) { padding-inline: 2rem 0; }
  .solution-icon { inline-size: 3.25rem; block-size: 3.25rem; border-radius: 12px; background: var(--navy); color: var(--lavender); display: grid; place-items: center; }
  .solution-icon svg { inline-size: 1.5rem; block-size: 1.5rem; }
  .solution-body { display: grid; gap: 0.8rem; align-content: start; }
  .solution h3 { font-size: var(--step-2); font-family: var(--font-display); font-weight: 400; }
  .solution p { color: var(--on-light-muted); }
  .solution .check-list { font-size: 0.97rem; }
  @media (max-width: 860px) {
    .solutions { grid-template-columns: 1fr; }
    .solution, .solution:nth-child(even) { padding: 1.75rem 0; border-inline-end: 0; }
    .solution:nth-child(odd) { border-inline-end: 0; }
  }

  /* ---------- Open ecosystems ---------- */
  .open { overflow: hidden; isolation: isolate; }
  .open::after {
    content: ""; position: absolute; z-index: -1; inset-inline-end: -12rem; top: -10rem; inline-size: 34rem; block-size: 34rem; border-radius: 50%;
    background: radial-gradient(circle, rgb(81 133 164 / 0.35), transparent 65%);
  }
  .open-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; padding: 0; list-style: none; }
  .open-item { background: var(--navy); padding: 1.75rem 1.5rem 2rem; display: grid; gap: 0.75rem; align-content: start; }
  .open-item .k { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); }
  .open-item p { color: var(--fg-muted); font-size: 0.96rem; }
  .open-note { margin-block-start: 2rem; display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; color: var(--fg-muted); font-size: 0.9rem; }
  .open-note .tag { color: var(--lavender); }
  @media (max-width: 1000px) { .open-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 560px) { .open-grid { grid-template-columns: 1fr; } }

  /* ---------- Accelerators ---------- */
  .accel { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(2rem, 1rem + 4vw, 5rem); align-items: start; }
  .accel .section-head { margin: 0; position: sticky; top: calc(var(--header-h) + 2rem); }
  .accel-list { display: grid; gap: 1rem; padding: 0; list-style: none; }
  .accel-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.5rem 1.5rem; padding: 1.5rem 1.6rem; background: var(--paper-2); border: 1px solid var(--line-light); border-radius: var(--radius); }
  .accel-item h3 { font-size: var(--step-1); }
  .accel-item p { grid-column: 1 / -1; color: var(--on-light-muted); font-size: 0.97rem; }
  .accel-item .stack { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 0.4rem; margin-block-start: 0.35rem; padding: 0; list-style: none; }
  .accel-item .stack li { font-family: var(--font-mono); font-size: 0.74rem; color: var(--on-light); background: var(--paper); padding: 0.25rem 0.55rem; border-radius: 6px; }
  .accel-item .tag { color: var(--link-light); align-self: start; }
  @media (max-width: 920px) { .accel { grid-template-columns: 1fr; } .accel .section-head { position: static; } }

  /* ---------- Cases ---------- */
  .cases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; padding: 0; list-style: none; }
  .case { display: grid; grid-template-rows: auto 1fr; border-radius: var(--radius); border: 1px solid var(--line); background: var(--navy); overflow: hidden; }
  .case-head { padding: 1.5rem 1.5rem 1.25rem; display: grid; gap: 0.9rem; border-block-end: 1px solid var(--line); }
  .case-logo { block-size: 44px; display: flex; align-items: center; }
  .case-logo span { background: var(--paper); border-radius: 8px; padding: 0.45rem 0.7rem; display: inline-flex; }
  .case-logo img { block-size: 26px; inline-size: auto; mix-blend-mode: multiply; }
  .case-meta { display: flex; flex-wrap: wrap; gap: 0.4rem; color: var(--fg-muted); }
  .case h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--step-2); }
  .case dl { padding: 1.25rem 1.5rem 1.6rem; display: grid; gap: 1.1rem; align-content: start; }
  .case dt { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-block-end: 0.2rem; }
  .case dt.is-pain { color: var(--clay); }
  .case dd { color: var(--fg-muted); font-size: 0.96rem; }
  .case dd.is-impact { color: var(--fg); }
  @media (max-width: 980px) { .cases { grid-template-columns: 1fr; } }

  /* ---------- Engagement models ---------- */
  .models { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; padding: 0; list-style: none; }
  .model { display: grid; grid-template-rows: auto auto 1fr auto; gap: 1rem; padding: 1.75rem; border-radius: var(--radius); background: var(--paper-2); border: 1px solid var(--line-light); }
  .model .k { font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--link-light); }
  .model h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--step-2); }
  .model > p { color: var(--on-light-muted); }
  .model .fit { border-block-start: 1px solid var(--line-light); padding-block-start: 1rem; font-size: 0.93rem; color: var(--on-light); }
  .model .fit strong { display: block; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--on-light-muted); font-weight: 500; margin-block-end: 0.2rem; }
  .model .check-list { font-size: 0.95rem; }
  @media (max-width: 980px) { .models { grid-template-columns: 1fr; } }

  /* ---------- About / presence ---------- */
  .about-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 1rem + 4vw, 5rem); align-items: start; }
  .about-copy { display: grid; gap: 1.25rem; }
  .about-copy h2 { font-size: var(--step-3); }
  .about-copy p { color: var(--fg-muted); max-width: 36rem; }
  .stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 0.5rem 0 0; }
  .stats > div { background: var(--ink); padding: 1.25rem 1.25rem 1.35rem; display: grid; gap: 0.25rem; }
  .stats dt { font-size: 0.88rem; color: var(--fg-muted); order: 2; }
  .stats dd { font-family: var(--font-display); font-size: var(--step-3); line-height: 1; order: 1; font-variant-numeric: tabular-nums; }
  .presence { border: 1px solid var(--line); border-radius: var(--radius); background: var(--navy); overflow: hidden; }
  .presence-head { padding: 1.1rem 1.4rem; border-block-end: 1px solid var(--line); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: baseline; }
  .presence-head h3 { font-size: 1rem; }
  .presence-head span { font-family: var(--font-mono); font-size: 0.75rem; color: var(--fg-muted); }
  .presence table { inline-size: 100%; border-collapse: collapse; font-size: 0.95rem; }
  .presence caption { position: absolute; clip: rect(0 0 0 0); inline-size: 1px; block-size: 1px; overflow: hidden; }
  .presence th, .presence td { text-align: start; padding: 0.9rem 1.4rem; border-block-end: 1px solid var(--line); }
  .presence tr:last-child th, .presence tr:last-child td { border-block-end: 0; }
  .presence thead th { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-muted); padding-block: 0.7rem; }
  .presence tbody th { font-weight: 600; }
  .presence td { color: var(--fg-muted); }
  .presence td.tz { font-family: var(--font-mono); font-size: 0.82rem; color: var(--accent); white-space: nowrap; font-variant-numeric: tabular-nums; }
  .presence .hq { display: inline-block; margin-inline-start: 0.5rem; font-family: var(--font-mono); font-size: 0.68rem; color: var(--clay); text-transform: uppercase; letter-spacing: 0.06em; }
  .presence-foot { padding: 1rem 1.4rem; font-size: 0.88rem; color: var(--fg-muted); border-block-start: 1px solid var(--line); background: rgb(14 27 36 / 0.4); }
  .table-wrap { overflow-x: auto; }
  @media (max-width: 920px) { .about-grid { grid-template-columns: 1fr; } }

  /* ---------- Café con el Experto ---------- */
  .section--cafe { padding-block-start: 0; }
  .cafe-card { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); border-radius: calc(var(--radius) + 6px); overflow: hidden; background: var(--paper-2); color: var(--on-light); box-shadow: 0 40px 90px -50px rgb(0 0 0 / 0.8); }
  .cafe-pitch { background: var(--navy); color: var(--fg); padding: clamp(1.75rem, 1rem + 3vw, 3.25rem); display: grid; gap: 1.25rem; align-content: start; position: relative; overflow: hidden; isolation: isolate; }
  .cafe-pitch .iso { position: absolute; z-index: -1; inset-inline-end: -3rem; bottom: -3rem; inline-size: 15rem; opacity: 0.12; }
  .cafe-pitch h2 { font-size: var(--step-3); }
  .cafe-pitch .sub { font-family: var(--font-mono); font-size: 0.8rem; color: var(--clay); text-transform: uppercase; letter-spacing: 0.08em; }
  .cafe-pitch > p { color: var(--fg-muted); }
  .cafe-facts { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; list-style: none; }
  .cafe-facts li { font-family: var(--font-mono); font-size: 0.78rem; border: 1px solid var(--line); border-radius: 999px; padding: 0.35rem 0.75rem; color: var(--lavender); }
  .cafe-contact { display: grid; gap: 0.4rem; font-size: 0.92rem; color: var(--fg-muted); border-block-start: 1px solid var(--line); padding-block-start: 1.25rem; margin-block-start: 0.5rem; }
  .cafe-contact a { color: var(--fg); }
  .cafe-form { padding: clamp(1.75rem, 1rem + 3vw, 3.25rem); display: grid; gap: 1.1rem; align-content: start; }
  .cafe-form h3 { font-size: var(--step-1); }
  .form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
  .field { display: grid; gap: 0.35rem; min-width: 0; }
  .field--full { grid-column: 1 / -1; }
  .field label { font-size: 0.86rem; font-weight: 600; color: var(--on-light); }
  .field .opt { font-weight: 400; color: var(--on-light-muted); }
  .field input, .field select, .field textarea {
    inline-size: 100%; min-height: 46px; padding: 0.65rem 0.85rem; border-radius: var(--radius-sm); border: 1px solid #b9c3d3; background: #fff; color: var(--on-light);
    color-scheme: light; transition: border-color 0.2s, box-shadow 0.2s;
  }
  .field textarea { min-height: 96px; resize: vertical; }
  .field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: none; border-color: var(--link-light); box-shadow: 0 0 0 3px rgb(47 102 136 / 0.25); }
  .field [aria-invalid="true"] { border-color: var(--danger-light); }
  .field-error { font-size: 0.82rem; color: var(--danger-light); min-height: 0; }
  .consent { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.65rem; align-items: start; font-size: 0.86rem; color: var(--on-light-muted); }
  .consent input { inline-size: 1.15rem; block-size: 1.15rem; margin-block-start: 0.15rem; accent-color: var(--navy); }
  .form-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
  .form-status { font-size: 0.92rem; padding: 0.85rem 1rem; border-radius: var(--radius-sm); background: #e6f0f6; color: var(--on-light); }
  .form-status.is-error { background: #fbe9e5; color: var(--danger-light); }
  @media (max-width: 920px) { .cafe-card { grid-template-columns: 1fr; } }
  @media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

  /* ---------- FAQ ---------- */
  .faq-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(2rem, 1rem + 4vw, 5rem); }
  .faq-grid .section-head { margin: 0; }
  .faq-list { border-block-start: 1px solid var(--line-light); }
  .faq-list details { border-block-end: 1px solid var(--line-light); }
  .faq-list summary {
    list-style: none; cursor: pointer; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem; align-items: center;
    padding: 1.25rem 0; font-weight: 600; font-size: var(--step-1); line-height: 1.35;
  }
  .faq-list summary::-webkit-details-marker { display: none; }
  .faq-list summary::after { content: "+"; font-family: var(--font-mono); font-weight: 400; font-size: 1.4rem; color: var(--link-light); transition: transform 0.25s var(--ease); }
  .faq-list details[open] summary::after { transform: rotate(45deg); }
  .faq-list details > div { padding-block-end: 1.4rem; color: var(--on-light-muted); max-width: 44rem; }
  @media (max-width: 860px) { .faq-grid { grid-template-columns: 1fr; } }

  /* ---------- Footer ---------- */
  .site-footer { padding-block: 4rem 2rem; border-block-start: 1px solid var(--line); }
  .footer-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 2.5rem; }
  .footer-brand { display: grid; gap: 1rem; align-content: start; color: var(--lavender); }
  .footer-brand svg { inline-size: 150px; }
  .footer-brand p { color: var(--fg-muted); font-size: 0.93rem; max-width: 22rem; }
  .footer-col h2 { font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--fg-muted); font-weight: 500; margin-block-end: 1rem; }
  .footer-col ul { display: grid; gap: 0.6rem; padding: 0; list-style: none; font-size: 0.95rem; }
  .footer-col a { text-decoration: none; color: var(--fg); }
  .footer-col a:hover { color: var(--accent); text-decoration: underline; }
  .footer-col address { font-style: normal; color: var(--fg-muted); font-size: 0.95rem; display: grid; gap: 0.6rem; }
  .socials { display: flex; gap: 0.5rem; flex-wrap: wrap; }
  .socials a { inline-size: 40px; block-size: 40px; border-radius: 999px; border: 1px solid var(--line); display: grid; place-items: center; color: var(--fg-muted); transition: color 0.2s, border-color 0.2s; }
  .socials a:hover { color: var(--fg); border-color: var(--lavender); }
  .socials svg { inline-size: 17px; block-size: 17px; }
  .footer-bottom { margin-block-start: 3rem; padding-block-start: 1.5rem; border-block-start: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem; font-size: 0.85rem; color: var(--fg-muted); }
  @media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .footer-brand { grid-column: 1 / -1; } }
  @media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
}

@layer utilities {
  .visually-hidden { position: absolute !important; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}

/* Inner pages: blog index, articles, legal. Same tokens as the home page. */
@layer sections {
  /* ---- Shared page hero ---- */
  .page-hero { position: relative; overflow: hidden; isolation: isolate; padding-block: clamp(2.5rem, 2rem + 3vw, 4.5rem) clamp(2.5rem, 2rem + 3vw, 4rem); }
  .page-hero::before {
    content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0.45;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 60% 80% at 80% 30%, #000 15%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 60% 80% at 80% 30%, #000 15%, transparent 70%);
  }
  .page-hero-inner { display: grid; gap: 1.1rem; justify-items: start; }
  .page-hero-inner > *, .post-hero-inner > * { max-width: 52rem; }
  .page-hero h1 { font-size: var(--step-4); line-height: 1.06; }
  .page-hero .lead { font-size: var(--step-1); color: var(--fg-muted); max-width: 42rem; }
  .byline { font-size: 0.92rem; color: var(--fg-muted); }
  .byline strong { color: var(--fg); font-weight: 600; }

  .breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.35rem; padding: 0; margin: 0; list-style: none; font-size: 0.85rem; color: var(--fg-muted); }
  .breadcrumb li { display: inline-flex; align-items: center; gap: 0.35rem; min-width: 0; }
  .breadcrumb li + li::before { content: "/"; opacity: 0.5; }
  .breadcrumb a { color: var(--fg-muted); text-decoration: none; }
  .breadcrumb a:hover { color: var(--fg); text-decoration: underline; }
  .breadcrumb [aria-current] { color: var(--fg); max-width: 40ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  .post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.65rem; font-size: 0.85rem; color: var(--fg-muted); }
  .tag--accent { color: var(--clay); }

  /* ---- Blog index ---- */
  .blog-list { padding-block-start: clamp(2.5rem, 2rem + 2vw, 3.5rem); }
  .blog-toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; margin-block-end: 2rem; }
  .chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
  .chip {
    min-height: 40px; padding: 0.45rem 1rem; border-radius: 999px; border: 1px solid var(--line-light); background: var(--paper-2);
    color: var(--on-light); font-size: 0.9rem; font-weight: 500; transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  }
  .chip:hover { border-color: var(--link-light); }
  .chip[aria-pressed="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }
  .blog-count { font-size: 0.88rem; color: var(--on-light-muted); font-family: var(--font-mono); }
  .blog-empty { padding: 2rem; text-align: center; color: var(--on-light-muted); border: 1px dashed var(--line-light); border-radius: var(--radius); }

  .blog-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
  .blog-grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .post-card {
    position: relative; display: grid; grid-template-rows: auto 1fr; background: var(--paper-2); border: 1px solid var(--line-light);
    border-radius: var(--radius); overflow: hidden; transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
  }
  .post-card:hover { transform: translateY(-4px); box-shadow: 0 26px 44px -30px rgb(22 48 63 / 0.5); border-color: rgb(47 102 136 / 0.35); }
  .post-card:focus-within { outline: 2px solid var(--link-light); outline-offset: 3px; }
  .post-card .post-cover { aspect-ratio: 16 / 7; background: var(--navy); overflow: hidden; }
  .post-card-body { padding: 1.4rem 1.5rem 1.6rem; display: grid; gap: 0.75rem; align-content: start; }
  .post-card .post-meta { color: var(--on-light-muted); }
  .post-card .post-meta .tag { color: var(--link-light); }
  .post-card .tag--accent { color: #a6492f; }
  .post-card h2, .post-card h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--step-2); line-height: 1.15; color: var(--on-light); }
  .post-card p { color: var(--on-light-muted); font-size: 0.97rem; }
  .post-link { text-decoration: none; color: inherit; }
  .post-link::after { content: ""; position: absolute; inset: 0; }   /* whole card clickable, one link in tab order */
  .post-link:focus-visible { outline: none; }
  .read-more { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; font-size: 0.92rem; color: var(--link-light); }
  .read-more svg { inline-size: 1em; block-size: 1em; transition: transform 0.25s var(--ease); }
  .post-card:hover .read-more svg { transform: translateX(4px); }
  .post-card--featured { grid-column: 1 / -1; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); grid-template-rows: none; }
  .post-card--featured .post-cover { aspect-ratio: auto; min-height: 280px; }
  .post-card--featured .post-card-body { padding: clamp(1.5rem, 1rem + 2vw, 2.5rem); align-content: center; }
  .post-card--featured h2 { font-size: var(--step-3); }
  @media (max-width: 860px) {
    .blog-grid, .blog-grid--two { grid-template-columns: 1fr; }
    .post-card--featured { grid-template-columns: 1fr; }
    .post-card--featured .post-cover { min-height: 0; aspect-ratio: 16 / 8; }
  }

  /* covers */
  .cover { inline-size: 100%; block-size: 100%; display: block; }
  .cover .c-grid path { stroke: rgb(210 217 233 / 0.08); stroke-width: 1; }
  .cover .c-bar { fill: rgb(111 168 201 / 0.35); }
  .cover .c-hot { fill: var(--clay); }
  .cover .c-line { fill: none; stroke: var(--lavender); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
  .cover .c-line--wide { stroke: var(--steel-light); stroke-width: 3; }
  .cover .c-dot { fill: var(--lavender); }
  .cover .c-pill { fill: none; stroke: rgb(210 217 233 / 0.4); }
  .cover .c-txt { fill: var(--lavender); font: 500 11px var(--font-mono); text-anchor: middle; }
  .cover .c-edge { stroke: rgb(111 168 201 / 0.45); stroke-width: 1.5; }
  .cover .c-node { fill: #13283a; stroke: var(--steel-light); stroke-width: 2; }
  .cover .c-node.c-hot { fill: var(--clay); stroke: var(--clay); }

  /* ---- CTA band ---- */
  .cta-band { padding-block: clamp(3rem, 2rem + 3vw, 4.5rem); background: var(--navy); }
  .cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem 3rem; }
  .cta-inner h2 { font-size: var(--step-3); margin-block-end: 0.5rem; }
  .cta-inner p { color: var(--fg-muted); max-width: 40rem; }

  /* ---- Article ---- */
  .post-hero { display: grid; }
  .post-hero-inner { display: grid; gap: 1.1rem; justify-items: start; }
  .post-hero h1 { font-size: var(--step-4); }
  .post-hero-cover { position: absolute; inset-block: 0; inset-inline-end: 0; inline-size: min(44vw, 640px); z-index: -1; opacity: 0.55;
    mask-image: linear-gradient(90deg, transparent, #000 45%); -webkit-mask-image: linear-gradient(90deg, transparent, #000 45%); }
  @media (max-width: 900px) { .post-hero-cover { display: none; } }

  .post-section { padding-block: clamp(2.5rem, 2rem + 3vw, 4.5rem); }
  .post-layout { display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, 44rem); gap: clamp(2rem, 1rem + 4vw, 5rem); justify-content: start; align-items: start; }
  .post-aside { position: sticky; top: calc(var(--header-h) + 1.5rem); display: grid; gap: 1.5rem; }
  .toc { border-inline-start: 2px solid var(--line-light); padding-inline-start: 1rem; }
  .toc summary { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-light-muted); cursor: pointer; margin-block-end: 0.75rem; }
  .toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; font-size: 0.92rem; line-height: 1.4; counter-reset: toc; }
  .toc a { color: var(--on-light); text-decoration: none; display: block; }
  .toc a:hover { color: var(--link-light); text-decoration: underline; }
  .share { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; font-size: 0.85rem; color: var(--on-light-muted); }
  .share > span { inline-size: 100%; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; }
  .share-status { inline-size: 100%; font-size: 0.82rem; min-block-size: 1.2em; }
  .btn--outline-dark { border-color: var(--line-light); color: var(--on-light); background: var(--paper-2); }
  .btn--outline-dark:hover { border-color: var(--link-light); color: var(--link-light); }
  @media (max-width: 900px) {
    .post-layout { grid-template-columns: minmax(0, 1fr); }
    .post-aside { position: static; }
    .toc:not([open]) { padding-block-end: 0; }
  }

  .prose { color: #22323d; font-size: 1.075rem; line-height: 1.75; min-width: 0; }
  .prose > * + * { margin-block-start: 1.15em; }
  .prose h2 { font-family: var(--font-display); font-weight: 400; font-size: var(--step-2); color: var(--on-light); margin-block-start: 2.2em; scroll-margin-top: calc(var(--header-h) + 1rem); }
  .prose h2:first-child { margin-block-start: 0; }
  .prose ul { padding-inline-start: 1.25rem; display: grid; gap: 0.5rem; }
  .prose li::marker { color: var(--steel); }
  .prose strong { color: var(--on-light); }
  .prose a { color: var(--link-light); }
  .prose blockquote { margin-inline: 0; padding: 1.25rem 1.5rem; border-inline-start: 3px solid var(--clay); background: var(--paper-2); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-family: var(--font-display); font-size: var(--step-1); line-height: 1.45; color: var(--on-light); }
  .prose--legal { font-size: 1rem; }
  .prose--legal h2 { font-family: var(--font-sans); font-weight: 600; font-size: var(--step-1); }

  .related-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 1rem; margin-block-end: 2rem; }
  .related-head h2 { font-size: var(--step-3); }
  .related-head a { color: var(--link-light); font-weight: 600; }
  .related { background: #e4e9f2; }

  /* ---- Header: "Blog" active state, footer legal link ---- */
  .primary-nav a[aria-current="page"] { color: var(--fg); background: rgb(210 217 233 / 0.07); }
  .footer-bottom a { color: var(--fg-muted); }
  .footer-bottom a:hover { color: var(--fg); }
  .consent a { color: var(--link-light); }
}

/* ---- Client logo carousel ---- */
@layer sections {
  .clients { padding-block: clamp(3rem, 2.5rem + 2vw, 4.5rem); overflow: hidden; }
  .clients-head { margin-block-end: 1.75rem; }
  .clients-side { display: flex; align-items: center; gap: 1rem; }
  .marquee-toggle {
    inline-size: 40px; block-size: 40px; flex-shrink: 0; border-radius: 999px; border: 1px solid var(--line-light); background: var(--paper-2);
    display: grid; place-items: center; color: var(--on-light); transition: border-color 0.2s;
  }
  .marquee-toggle:hover { border-color: var(--link-light); }
  .i-pause, .i-play { display: block; inline-size: 12px; block-size: 12px; }
  .i-pause { border-inline: 4px solid currentColor; box-sizing: border-box; }
  .i-play { inline-size: 0; block-size: 0; border-block: 6px solid transparent; border-inline-start: 10px solid currentColor; margin-inline-start: 3px; }

  .marquee { display: grid; gap: 1rem;
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
  .marquee-row { overflow: hidden; }
  .marquee-track { display: flex; inline-size: max-content; }
  .marquee-list { display: flex; gap: 1rem; padding: 0 1rem 0 0; margin: 0; list-style: none; }
  .logo-chip {
    display: grid; place-items: center; block-size: 92px; min-inline-size: 168px; padding: 0.9rem 1.6rem;
    background: var(--paper-2); border: 1px solid var(--line-light); border-radius: var(--radius);
    box-shadow: 0 10px 24px -20px rgb(22 48 63 / 0.45); transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  }
  .logo-chip img { max-inline-size: 100%; block-size: auto; }
  .logo-chip:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 18px 30px -20px rgb(22 48 63 / 0.55); }

  @media (prefers-reduced-motion: no-preference) {
    .marquee-track { animation: marquee 48s linear infinite; }
    .marquee-row--reverse .marquee-track { animation-direction: reverse; animation-duration: 56s; }
    .marquee:hover .marquee-track, .marquee:focus-within .marquee-track, .clients.is-paused .marquee-track { animation-play-state: paused; }
  }
  @media (prefers-reduced-motion: reduce) {
    .marquee { mask-image: none; -webkit-mask-image: none; padding-inline: var(--gutter); }
    .marquee-track { inline-size: auto; }
    .marquee-list { flex-wrap: wrap; justify-content: center; padding: 0; }
    .marquee-list[aria-hidden="true"] { display: none; }
    .marquee-toggle { display: none; }
  }
  @keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
  @media (max-width: 560px) {
    .logo-chip { block-size: 76px; min-inline-size: 132px; padding: 0.7rem 1.1rem; }
    .logo-chip img { inline-size: calc(var(--w, 120px) * 0.8); }
    .clients-side p { font-size: 0.85rem; }
  }

  /* ---- Animated footer logo ---- */
  .footer-logo { display: inline-flex; inline-size: 178px; margin-block: -0.75rem -0.25rem; border-radius: 6px; }
  .footer-logo-art { display: block; inline-size: 100%; aspect-ratio: 355 / 236; background: url(assets/brand/logo-footer.webp) left center / contain no-repeat; }
  @media (prefers-reduced-motion: reduce) { .footer-logo-art { background-image: url(assets/brand/logo-footer-static.png); } }
}

/* Solutions bento · Accelerators console · Engagement model cards */
@property --angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }

@layer sections {
  /* ---------- Shared: animated gradient border ---------- */
  .fx-card { position: relative; isolation: isolate; border-radius: calc(var(--radius) + 4px); }
  .fx-card::before {
    content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none; border-radius: inherit; padding: 1.5px;
    background: conic-gradient(from var(--angle), transparent 0deg 250deg, var(--steel-light) 300deg, var(--clay) 330deg, transparent 360deg);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
    opacity: 0; transition: opacity 0.4s var(--ease);
  }
  .fx-card:hover::before, .fx-card:focus-within::before { opacity: 1; }

  /* ---------- Solutions: bento ---------- */
  .bento { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1.25rem; padding: 0; margin: 0; list-style: none; }
  .sol-card {
    grid-column: span 6; display: grid; grid-template-rows: auto 1fr; overflow: hidden;
    background: var(--paper-2); border: 1px solid var(--line-light);
    box-shadow: 0 1px 0 rgb(255 255 255 / 0.8) inset, 0 24px 48px -36px rgb(22 48 63 / 0.55);
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  }
  .sol-card--0 { grid-column: span 7; } .sol-card--1 { grid-column: span 5; }
  .sol-card--2 { grid-column: span 5; } .sol-card--3 { grid-column: span 7; }
  .sol-card:hover { transform: translateY(-6px); box-shadow: 0 34px 60px -36px rgb(22 48 63 / 0.6); }
  .sol-card.spot::after { background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 0%), rgb(111 168 201 / 0.14), transparent 60%); }

  .sol-art {
    position: relative; block-size: 170px; overflow: hidden;
    background:
      radial-gradient(120% 140% at 85% 0%, rgb(81 133 164 / 0.45), transparent 55%),
      linear-gradient(160deg, #18384a, var(--ink));
  }
  .sol-art::before {
    content: ""; position: absolute; inset: 0; opacity: 0.6;
    background-image: linear-gradient(rgb(210 217 233 / 0.07) 1px, transparent 1px), linear-gradient(90deg, rgb(210 217 233 / 0.07) 1px, transparent 1px);
    background-size: 24px 24px;
  }
  .sol-art .art { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; }
  .sol-icon {
    position: absolute; inset-inline-start: 1.25rem; bottom: 1.1rem; inline-size: 2.75rem; block-size: 2.75rem; border-radius: 12px;
    display: grid; place-items: center; color: var(--lavender);
    background: rgb(14 27 36 / 0.65); border: 1px solid rgb(210 217 233 / 0.18); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  }
  .sol-icon svg { inline-size: 1.35rem; block-size: 1.35rem; }
  .sol-body { padding: 1.5rem 1.6rem 1.75rem; display: grid; gap: 0.8rem; align-content: start; }
  .sol-body h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--step-2); color: var(--on-light); }
  .sol-body p { color: var(--on-light-muted); }
  .sol-body .check-list { font-size: 0.96rem; }

  /* art: architecture layers */
  .art--arch .layer path { fill: rgb(111 168 201 / 0.16); stroke: var(--steel-light); stroke-width: 1.2; }
  .art--arch .l1 path { fill: rgb(210 217 233 / 0.18); stroke: var(--lavender); }
  .art--arch .layer { transition: transform 0.6s var(--ease); }
  .art--arch .svc rect { fill: rgb(14 27 36 / 0.6); stroke: var(--clay); stroke-width: 1.2; opacity: 0; transform: translateY(8px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
  .sol-card:hover .art--arch .l1 { transform: translateY(-12px); }
  .sol-card:hover .art--arch .l3 { transform: translateY(6px); }
  .sol-card:hover .art--arch .svc rect { opacity: 1; transform: none; }
  .sol-card:hover .art--arch .svc rect:nth-child(2) { transition-delay: 0.08s; }
  .sol-card:hover .art--arch .svc rect:nth-child(3) { transition-delay: 0.16s; }

  /* art: neural net */
  .art--ai .syn { stroke: rgb(111 168 201 / 0.35); stroke-width: 1.2; }
  .art--ai .neuron { fill: #13283a; stroke: var(--steel-light); stroke-width: 2; }
  .art--ai .n6, .art--ai .n7 { stroke: var(--clay); }

  /* art: integration */
  .art--int .sys { fill: rgb(14 27 36 / 0.55); stroke: rgb(210 217 233 / 0.35); }
  .art--int .hub { fill: #1d4057; stroke: var(--steel-light); stroke-width: 1.5; }
  .art--int .wire { fill: none; stroke: rgb(111 168 201 / 0.45); stroke-width: 1.4; }
  .art--int .pkt { fill: var(--lavender); filter: drop-shadow(0 0 4px rgb(111 168 201 / 0.9)); }
  .art .lbl { fill: var(--lavender); font: 500 11px var(--font-mono); text-anchor: middle; letter-spacing: 0.06em; }

  /* art: data */
  .art--data .bar { fill: rgb(111 168 201 / 0.3); transform-box: fill-box; transform-origin: bottom; }
  .art--data .spark { fill: none; stroke: var(--lavender); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
  .art--data .spark-dot { fill: var(--clay); }
  .art--data .badge { fill: rgb(14 27 36 / 0.6); stroke: rgb(210 217 233 / 0.35); }
  .art--data .lbl { font-size: 10px; }

  @media (max-width: 980px) { .sol-card, .sol-card--0, .sol-card--1, .sol-card--2, .sol-card--3 { grid-column: span 12; } }

  /* ---------- Accelerators: tabbed console ---------- */
  .accel-section { background: #e4e9f2; }
  .acc-showcase {
    display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.4fr); gap: 1.25rem;
    padding: 1.25rem; border-radius: calc(var(--radius) + 8px); background: var(--ink);
    box-shadow: 0 50px 90px -50px rgb(14 27 36 / 0.85); position: relative; overflow: hidden; isolation: isolate;
  }
  .acc-showcase::before {
    content: ""; position: absolute; z-index: -1; inset-inline-start: -10%; top: -40%; inline-size: 60%; aspect-ratio: 1; border-radius: 50%;
    background: radial-gradient(circle, rgb(81 133 164 / 0.35), transparent 65%);
  }
  .acc-tabs { display: grid; gap: 0.5rem; align-content: start; }
  .acc-tab {
    position: relative; display: grid; gap: 0.4rem; text-align: start; padding: 1.1rem 1.2rem 1.25rem; border-radius: var(--radius);
    background: transparent; border: 1px solid transparent; color: var(--fg-muted); overflow: hidden;
    transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
  }
  .acc-tab:hover { background: rgb(210 217 233 / 0.04); color: var(--fg); }
  .acc-tab[aria-selected="true"] { background: var(--navy); border-color: rgb(111 168 201 / 0.35); color: var(--fg); }
  .acc-tab-title { font-weight: 600; font-size: 1.05rem; }
  .acc-tab-tag { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); }
  .acc-tab-bar { position: absolute; inset-inline: 1.2rem; bottom: 0.55rem; block-size: 2px; background: rgb(210 217 233 / 0.1); border-radius: 2px; overflow: hidden; opacity: 0; }
  .acc-tab-bar i { display: block; block-size: 100%; inline-size: 100%; background: linear-gradient(90deg, var(--steel-light), var(--clay)); transform-origin: 0 50%; transform: scaleX(0); }
  .acc-tab[aria-selected="true"] .acc-tab-bar { opacity: 1; }
  .is-autoplay .acc-tab[aria-selected="true"] .acc-tab-bar i { animation: tab-progress var(--tab-ms, 7000ms) linear forwards; }
  .is-autoplay.is-held .acc-tab[aria-selected="true"] .acc-tab-bar i { animation-play-state: paused; }
  @keyframes tab-progress { to { transform: scaleX(1); } }

  .acc-panels { display: grid; min-width: 0; }
  .acc-panel { display: grid; gap: 1rem; align-content: start; min-width: 0; border-radius: var(--radius); }
  .acc-panel:focus-visible { outline-offset: 4px; }
  .console { border-radius: var(--radius); border: 1px solid var(--line); background: #0a151d; overflow: hidden; min-width: 0; }
  .console-bar { display: flex; align-items: center; gap: 0.75rem; padding: 0.7rem 1rem; border-block-end: 1px solid var(--line); background: rgb(22 48 63 / 0.6); }
  .console-file { font-family: var(--font-mono); font-size: 0.78rem; color: var(--fg-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .console-tag { margin-inline-start: auto; font-family: var(--font-mono); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--clay); border: 1px solid currentColor; border-radius: 999px; padding: 0.15rem 0.5rem; }
  .console-code { margin: 0; padding: 1.1rem 1.25rem 1.3rem; overflow-x: auto; font-family: var(--font-mono); font-size: 0.84rem; line-height: 1.7; color: #c9d4e3; counter-reset: ln; tab-size: 2; }
  .console-code .ln { display: block; white-space: pre; padding-inline-start: 2.6rem; position: relative; }
  .console-code .ln::before { counter-increment: ln; content: counter(ln); position: absolute; inset-inline-start: 0; inline-size: 1.6rem; text-align: end; color: rgb(169 182 198 / 0.4); }
  .tk-kw { color: #8fc1df; } .tk-str { color: #e7b39f; } .tk-num { color: #d6c38a; } .tk-com { color: #7b8c9b; font-style: italic; }
  .tk-var { color: #b9a6e8; } .tk-op { color: #9aa9b8; }
  .acc-detail { display: grid; gap: 0.75rem; color: var(--fg-muted); padding: 0.25rem 0.25rem 0.5rem; }
  .acc-detail .stack { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0; margin: 0; list-style: none; }
  .acc-detail .stack li { font-family: var(--font-mono); font-size: 0.74rem; color: var(--lavender); border: 1px solid var(--line); border-radius: 6px; padding: 0.25rem 0.55rem; }

  /* JS turns the stack into tabs; without JS every panel is visible */
  .tabs-ready .acc-panel:not(.is-active) { display: none; }
  .tabs-ready .acc-panel.is-active .ln { animation: line-in 0.45s var(--ease) both; animation-delay: calc(var(--n, 0) * 35ms); }
  @keyframes line-in { from { opacity: 0; translate: -6px 0; } to { opacity: 1; translate: none; } }

  @media (max-width: 900px) {
    .acc-showcase { grid-template-columns: 1fr; padding: 0.75rem; }
    .acc-tabs { grid-auto-flow: column; grid-auto-columns: minmax(12rem, 1fr); overflow-x: auto; scroll-snap-type: x mandatory; padding-block-end: 0.25rem; }
    .acc-tab { scroll-snap-align: start; }
    .console-code { font-size: 0.78rem; }
  }

  /* ---------- Engagement models ---------- */
  .model-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; padding: 0; margin: 0; list-style: none; perspective: 1200px; }
  .model-card {
    display: grid; grid-template-rows: auto 1fr; background: var(--paper-2); border: 1px solid var(--line-light); overflow: hidden;
    box-shadow: 0 24px 48px -36px rgb(22 48 63 / 0.55); transform-style: preserve-3d;
    transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform 0.5s var(--ease), box-shadow 0.4s var(--ease);
  }
  .model-card.is-tilting { transition: transform 0.08s linear, box-shadow 0.4s var(--ease); }
  .model-card:hover { box-shadow: 0 40px 70px -40px rgb(22 48 63 / 0.65); }
  .model-art {
    block-size: 128px; display: grid; place-items: center; position: relative; overflow: hidden;
    background: radial-gradient(90% 120% at 50% 0%, rgb(111 168 201 / 0.28), transparent 70%), linear-gradient(180deg, #eef2f8, var(--paper-2));
    border-block-end: 1px solid var(--line-light);
  }
  .model-art .art { inline-size: min(240px, 90%); block-size: auto; }
  .model-inner { display: grid; gap: 0.9rem; align-content: start; grid-template-rows: auto auto auto 1fr auto auto; padding: 1.5rem 1.6rem 1.6rem; }
  .model-inner .k { font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--link-light); }
  .model-inner h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--step-2); color: var(--on-light); }
  .model-desc { color: var(--on-light-muted); }
  .model-inner .check-list { font-size: 0.95rem; align-self: start; }
  .model-inner .fit { border-block-start: 1px solid var(--line-light); padding-block-start: 1rem; font-size: 0.93rem; color: var(--on-light); }
  .model-inner .fit strong { display: block; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--on-light-muted); font-weight: 500; margin-block-end: 0.2rem; }
  .model-cta {
    display: inline-flex; align-items: center; justify-content: space-between; gap: 0.5rem; min-height: 46px; padding: 0.7rem 1.1rem;
    border-radius: 999px; background: var(--navy); color: #fff; text-decoration: none; font-weight: 600; font-size: 0.93rem;
    transition: background-color 0.25s var(--ease);
  }
  .model-cta svg { inline-size: 1em; block-size: 1em; transition: transform 0.25s var(--ease); }
  .model-cta:hover { background: var(--slate); }
  .model-cta:hover svg { transform: translateX(4px); }

  .art--team .m-base { fill: var(--navy); }
  .art--team .m-join { fill: var(--steel); }
  .art--team .j2 { fill: var(--clay); }
  .art--team .m-link { fill: none; stroke: var(--steel); stroke-width: 1.6; stroke-dasharray: 4 4; }
  .art--fixed .m-track { stroke: rgb(22 48 63 / 0.15); stroke-width: 6; stroke-linecap: round; }
  .art--fixed .m-fill { fill: none; stroke: var(--steel); stroke-width: 6; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 0; }
  .art--fixed .m-mile { fill: var(--paper-2); stroke: var(--navy); stroke-width: 3; }
  .art--fixed .m-lock { fill: var(--navy); }
  .art--fixed .m-shackle { fill: none; stroke: var(--navy); stroke-width: 3.5; }
  .art--loop .m-loop { fill: none; stroke: rgb(22 48 63 / 0.22); stroke-width: 5; }
  .art--loop .m-run { fill: var(--steel); }
  .art--loop .m-run--b { fill: var(--clay); }

  @media (max-width: 980px) { .model-grid { grid-template-columns: 1fr; max-width: 560px; } }
}

@layer utilities {
  @media (prefers-reduced-motion: no-preference) {
    .fx-card:hover::before, .fx-card:focus-within::before { animation: spin-border 3.5s linear infinite; }
    @keyframes spin-border { to { --angle: 360deg; } }

    .art--ai .neuron { animation: neuron 2.8s ease-in-out infinite; }
    .art--ai .n1 { animation-delay: 0.3s; } .art--ai .n2 { animation-delay: 0.6s; } .art--ai .n3 { animation-delay: 0.9s; }
    .art--ai .n4 { animation-delay: 1.2s; } .art--ai .n5 { animation-delay: 1.5s; } .art--ai .n6 { animation-delay: 1.8s; } .art--ai .n7 { animation-delay: 2.1s; }
    @keyframes neuron { 0%, 100% { fill: #13283a; } 40% { fill: var(--steel-light); } }
    .art--data .bar { animation: bar 3.2s ease-in-out infinite; animation-delay: calc(var(--i) * 0.12s); }
    @keyframes bar { 0%, 100% { scale: 1 1; } 50% { scale: 1 0.82; } }
    .sol-card .art--data .spark { stroke-dasharray: 1; animation: draw 3.6s var(--ease) infinite; }
    @keyframes draw { 0% { stroke-dashoffset: 1; } 55%, 100% { stroke-dashoffset: 0; } }

    .art--team .m-join { animation: join 4s var(--ease) infinite; }
    .art--team .j2 { animation-delay: 0.6s; }
    @keyframes join { 0%, 15% { translate: 30px 0; opacity: 0; } 45%, 85% { translate: 0 0; opacity: 1; } 100% { translate: 0 0; opacity: 0; } }
    .art--fixed .m-fill { animation: fill 4s var(--ease) infinite; }
    @keyframes fill { 0% { stroke-dashoffset: 1; } 70%, 100% { stroke-dashoffset: 0; } }
    .art--fixed .m-mile { animation: mile 4s var(--ease) infinite; animation-delay: calc(var(--i) * 0.9s); }
    @keyframes mile { 0%, 10% { fill: var(--paper-2); } 25%, 100% { fill: var(--steel-light); } }
  }
  @media (prefers-reduced-motion: reduce) {
    .sol-card:hover, .model-card { transform: none !important; }
    .art--int .pkt, .art--loop .m-run { display: none; }
  }
}

/* IkiTech v3 — dark-first, editorial sans headlines with serif-italic accents (echo of the wordmark),
   pill badges and pill CTAs, product-style mockups. Loaded after the base layers. */
@layer sections {
  /* ---------- Type system ---------- */
  h1, h2 { font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.035em; line-height: 1.04; }
  h1 em, h2 em { font-family: var(--font-display); font-style: italic; font-weight: 400; letter-spacing: -0.01em; color: var(--steel-light); }
  .section--light h2 em, .section--light h1 em { color: var(--link-light); }
  .section-head h2 { font-size: clamp(2.1rem, 1.5rem + 2.4vw, 3.6rem); }
  .model-inner h3, .post-card h2, .post-card h3, .cta-inner h2, .related-head h2, .case h3, .sol-body h3, .solution h3 {
    font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.02em;
  }
  .prose h2 { font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.02em; }
  .stats dd { font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.03em; }

  /* ---------- Pill badges (section labels) ---------- */
  .eyebrow {
    padding: 0.4rem 0.85rem 0.4rem 0.7rem; border-radius: 999px; border: 1px solid rgb(111 168 201 / 0.35);
    background: rgb(111 168 201 / 0.08); letter-spacing: 0.06em; font-size: 0.72rem; justify-self: start; width: fit-content;
  }
  .eyebrow::before { inline-size: 6px; block-size: 6px; border-radius: 50%; background: var(--steel-light); opacity: 1; box-shadow: 0 0 0 3px rgb(111 168 201 / 0.18); }
  .section--light .eyebrow { border-color: rgb(47 102 136 / 0.3); background: rgb(47 102 136 / 0.06); }
  .section--light .eyebrow::before { background: var(--link-light); box-shadow: 0 0 0 3px rgb(47 102 136 / 0.15); }

  /* ---------- Pill CTA with circular arrow ---------- */
  .btn--pill {
    display: inline-flex; align-items: center; gap: 0.75rem; min-height: 48px; padding: 0.3rem 0.3rem 0.3rem 1.25rem;
    border-radius: 999px; background: var(--lavender); color: var(--on-light); font-weight: 600; font-size: 0.95rem; text-decoration: none;
    transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
  }
  .btn--pill .pill-ic {
    inline-size: 38px; block-size: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: var(--lavender);
    transition: transform 0.35s var(--ease), background-color 0.25s;
  }
  .btn--pill .pill-ic svg { inline-size: 16px; block-size: 16px; transform: rotate(-45deg); transition: transform 0.35s var(--ease); }
  .btn--pill:hover { background: #fff; }
  .btn--pill:hover .pill-ic svg { transform: rotate(0deg); }
  .btn--pill.header-cta { min-height: 42px; padding-inline-start: 1rem; font-size: 0.9rem; }
  .btn--pill.header-cta .pill-ic { inline-size: 32px; block-size: 32px; }
  @media (max-width: 1080px) { .btn--pill.header-cta { display: none; } }
  .btn--pill-ghost { background: transparent; color: var(--fg); border: 1px solid rgb(210 217 233 / 0.3); }
  .btn--pill-ghost .pill-ic { background: var(--lavender); color: var(--navy); }
  .btn--pill-ghost:hover { background: rgb(210 217 233 / 0.08); }

  /* ---------- Hero stage ---------- */
  .v3-hero { padding-block: 1rem clamp(3rem, 2rem + 3vw, 5rem); position: relative; }
  .stage {
    position: relative; overflow: hidden; isolation: isolate; border-radius: 28px; border: 1px solid var(--line);
    padding: clamp(3rem, 2rem + 4vw, 6rem) clamp(1rem, 4vw, 3rem) clamp(9rem, 6rem + 9vw, 14rem);
    background:
      radial-gradient(60% 70% at 50% 0%, rgb(81 133 164 / 0.42), transparent 70%),
      radial-gradient(40% 50% at 100% 100%, rgb(222 143 120 / 0.16), transparent 70%),
      linear-gradient(180deg, #13293a, var(--ink));
  }
  .stage::before {
    content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0.55;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 75%);
  }
  .stage-copy { max-width: 60rem; margin-inline: auto; display: grid; justify-items: center; text-align: center; gap: 1.4rem; }
  .stage-copy .eyebrow { justify-self: center; }
  .v3-hero h1 { font-size: clamp(2.6rem, 1.5rem + 4.8vw, 5.6rem); }
  .v3-hero .lead { font-size: var(--step-1); color: var(--fg-muted); max-width: 44rem; line-height: 1.55; }

  .prompt {
    inline-size: min(660px, 100%); text-align: start; margin-block-start: 0.75rem; padding: 1.1rem 1.15rem 1rem 1.3rem; border-radius: 20px;
    background: rgb(10 21 29 / 0.72); border: 1px solid rgb(210 217 233 / 0.16);
    box-shadow: 0 30px 70px -40px rgb(0 0 0 / 0.9), 0 0 0 6px rgb(111 168 201 / 0.05);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  }
  .prompt-head { display: flex; align-items: center; gap: 0.55rem; font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-muted); }
  .prompt-spark { inline-size: 10px; block-size: 10px; border-radius: 3px; background: linear-gradient(135deg, var(--steel-light), var(--clay)); transform: rotate(45deg); }
  .prompt-text { margin-block: 0.75rem 1rem; font-size: clamp(1.1rem, 1rem + 0.6vw, 1.45rem); line-height: 1.35; color: var(--fg); min-block-size: 2.7em; }
  .caret { display: inline-block; inline-size: 2px; block-size: 1.1em; vertical-align: -0.15em; margin-inline-start: 2px; background: var(--steel-light); }
  .prompt-actions { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
  .prompt-nav { display: flex; gap: 0.35rem; }
  .prompt-step { inline-size: 36px; block-size: 36px; border-radius: 50%; border: 1px solid var(--line); background: transparent; color: var(--fg-muted); font-size: 0.95rem; }
  .prompt-step:hover { color: var(--fg); border-color: var(--lavender); }
  .prompt-note { font-family: var(--font-mono); font-size: 0.74rem; color: var(--fg-muted); letter-spacing: 0.04em; }

  .hero-shot { position: relative; z-index: 2; inline-size: min(940px, 100%); margin: calc(-1 * clamp(7rem, 4.5rem + 7vw, 11.5rem)) auto 0; perspective: 1400px; }
  .hero-shot .arch { background: linear-gradient(180deg, #152c3c, #0c1922); box-shadow: 0 60px 120px -50px rgb(0 0 0 / 0.95), 0 0 0 1px rgb(111 168 201 / 0.12); transform-origin: 50% 0; }
  .v3-proof { justify-content: center; margin-block-start: 2.5rem; gap: 1rem 3.5rem; }
  .v3-proof strong { font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.03em; font-size: clamp(1.8rem, 1.4rem + 1.4vw, 2.6rem); }
  .v3-proof li { text-align: center; }

  /* ---------- Clients on dark ---------- */
  .clients { background: var(--ink); color: var(--fg); border-block: 1px solid var(--line); }
  .clients-head h2 { font-family: var(--font-sans); color: var(--fg); }
  .clients-head p { color: var(--fg-muted); }
  .marquee-toggle { background: transparent; border-color: var(--line); color: var(--fg); }
  .logo-chip { border-color: transparent; box-shadow: 0 16px 30px -24px rgb(0 0 0 / 0.9); }
  .marquee { mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }

  /* ---------- Statement + metric band ---------- */
  .statement-grid { display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr); gap: 1.5rem 3rem; align-items: start; }
  .statement-label { font-family: var(--font-mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); padding-block-start: 0.9rem; }
  .statement { font-size: clamp(1.75rem, 1.1rem + 2.6vw, 3.4rem); font-weight: 500; line-height: 1.18; letter-spacing: -0.025em; color: var(--fg); text-wrap: pretty; }
  .metric-band { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: clamp(3rem, 2rem + 3vw, 5rem) 0 0; border-block-start: 1px solid var(--line); }
  .metric-band > div { display: grid; gap: 0.35rem; padding: 1.75rem 1.5rem 0 0; }
  .metric-band > div + div { padding-inline-start: 1.5rem; border-inline-start: 1px solid var(--line); }
  .metric-band dd { order: 1; font-size: clamp(2.6rem, 1.8rem + 3vw, 4.5rem); font-weight: 600; letter-spacing: -0.05em; line-height: 1; font-variant-numeric: tabular-nums;
    background: linear-gradient(180deg, var(--fg), var(--steel-light)); -webkit-background-clip: text; background-clip: text; color: transparent; }
  .metric-band dt { order: 2; color: var(--fg-muted); font-size: 0.95rem; }
  @media (max-width: 860px) {
    .statement-grid { grid-template-columns: 1fr; }
    .metric-band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .metric-band > div:nth-child(3) { padding-inline-start: 0; border-inline-start: 0; }
  }

  /* ---------- Solutions explorer ---------- */
  .sol-explorer { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(1.5rem, 1rem + 3vw, 4rem); align-items: start; }
  .sol-rows { display: grid; border-block-start: 1px solid var(--line); }
  .sol-row {
    display: grid; grid-template-columns: 3rem minmax(0, 1fr) auto 2.5rem; align-items: center; gap: 1rem; text-align: start;
    padding: 1.6rem 0.5rem; background: none; border: 0; border-block-end: 1px solid var(--line); color: var(--fg-muted);
    transition: color 0.25s, background-color 0.25s, padding 0.35s var(--ease);
  }
  .sol-row:hover { color: var(--fg); background: rgb(210 217 233 / 0.03); }
  .sol-row[aria-selected="true"] { color: var(--fg); padding-inline-start: 1rem; }
  .sol-num { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent); }
  .sol-title { font-size: clamp(1.15rem, 1rem + 0.7vw, 1.6rem); font-weight: 600; letter-spacing: -0.02em; }
  .sol-label { font-family: var(--font-mono); font-size: 0.74rem; color: var(--fg-muted); white-space: nowrap; }
  .sol-arrow { inline-size: 2.5rem; block-size: 2.5rem; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: background-color 0.3s, transform 0.35s var(--ease), border-color 0.3s; }
  .sol-arrow svg { inline-size: 16px; block-size: 16px; }
  .sol-row[aria-selected="true"] .sol-arrow { background: var(--lavender); color: var(--navy); border-color: var(--lavender); transform: rotate(-45deg); }
  .sol-panels { position: sticky; top: calc(var(--header-h) + 1.5rem); display: grid; min-width: 0; }
  .tabs-ready .sol-panel:not(.is-active) { display: none; }
  .sol-panel { display: grid; gap: 1.25rem; border-radius: 22px; }
  .sol-visual { position: relative; aspect-ratio: 16 / 11; border-radius: 22px; overflow: hidden; display: grid; place-items: center; isolation: isolate; }
  .sol-visual::after { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0.35;
    background-image: radial-gradient(rgb(255 255 255 / 0.35) 1px, transparent 1px); background-size: 18px 18px; mask-image: linear-gradient(180deg, #000, transparent 80%); -webkit-mask-image: linear-gradient(180deg, #000, transparent 80%); }
  .sol-visual--0 { background: radial-gradient(80% 90% at 20% 0%, #6fa8c9, transparent 60%), linear-gradient(135deg, #2d5f7e, #102330); }
  .sol-visual--1 { background: radial-gradient(70% 80% at 85% 10%, #e9a48f, transparent 60%), linear-gradient(135deg, #7a4a47, #13202b); }
  .sol-visual--2 { background: radial-gradient(80% 90% at 10% 100%, #8fc1df, transparent 60%), linear-gradient(135deg, #1c3a4b, #0e1b24); }
  .sol-visual--3 { background: radial-gradient(70% 80% at 90% 90%, #5185a4, transparent 60%), radial-gradient(50% 60% at 10% 10%, rgb(222 143 120 / 0.6), transparent 60%), linear-gradient(135deg, #22394a, #0b161e); }
  .sol-copy { display: grid; gap: 0.9rem; color: var(--fg-muted); }
  .sol-copy .check-list { color: var(--fg); font-size: 0.97rem; }

  .mock { inline-size: min(430px, 86%); border-radius: 16px; padding: 1rem 1.1rem 1.15rem; background: rgb(250 251 253 / 0.95); color: var(--on-light);
    box-shadow: 0 40px 80px -40px rgb(0 0 0 / 0.8); font-size: 0.85rem; display: grid; gap: 0.75rem; }
  .mock-bar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
  .mock-bar b { font-weight: 600; }
  .mock-bar i { font-style: normal; font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.08em; color: #a6492f; border: 1px solid currentColor; border-radius: 999px; padding: 0.1rem 0.45rem; }
  .mock-mono { padding: 0.6rem 0.8rem; border-radius: 10px; background: var(--navy); color: var(--lavender); font-family: var(--font-mono); font-size: 0.78rem; text-align: center; }
  .mock-split { display: grid; gap: 0.55rem; }
  .mock-svc { display: grid; grid-template-columns: 5.5rem 1fr 2.6rem; align-items: center; gap: 0.6rem; }
  .mock-svc em { font-style: normal; font-family: var(--font-mono); font-size: 0.75rem; color: var(--on-light-muted); text-align: end; }
  .mock-prog { block-size: 8px; border-radius: 99px; background: #e2e8f0; overflow: hidden; }
  .mock-prog i { display: block; block-size: 100%; inline-size: var(--p); border-radius: inherit; background: linear-gradient(90deg, var(--steel), var(--link-light)); }
  .bubble { padding: 0.65rem 0.85rem; border-radius: 14px; max-inline-size: 85%; line-height: 1.4; }
  .bubble--me { justify-self: end; background: var(--navy); color: #fff; border-end-end-radius: 4px; }
  .bubble--bot { background: #e9eef5; border-end-start-radius: 4px; }
  .mock-src { font-family: var(--font-mono); font-size: 0.7rem; color: var(--on-light-muted); }
  .mock--int table { inline-size: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 0.76rem; }
  .mock--int th { text-align: start; font-weight: 500; color: var(--on-light-muted); padding-block-end: 0.35rem; }
  .mock--int td { padding-block: 0.4rem; border-block-start: 1px solid #e2e8f0; }
  .mock--int .ok { color: #1f7a4d; background: #e3f4ea; padding: 0.05rem 0.4rem; border-radius: 6px; }
  .mock-slo { display: flex; align-items: center; gap: 1rem; }
  .mock-slo svg { inline-size: 70px; block-size: 70px; transform: rotate(-90deg); }
  .mock-slo .ring-bg { fill: none; stroke: #e2e8f0; stroke-width: 8; }
  .mock-slo .ring { fill: none; stroke: var(--steel); stroke-width: 8; stroke-linecap: round; stroke-dasharray: 99.9 100; }
  .mock-slo b { display: block; font-size: 1.5rem; letter-spacing: -0.03em; }
  .mock-slo span { color: var(--on-light-muted); font-size: 0.8rem; }
  .mock-spark { inline-size: 100%; block-size: 50px; }
  .mock-spark path { fill: none; stroke: var(--clay); stroke-width: 2.5; vector-effect: non-scaling-stroke; }
  @media (max-width: 900px) {
    .sol-explorer { grid-template-columns: 1fr; }
    .sol-panels { position: static; }
    .sol-label { display: none; }
    .sol-row { grid-template-columns: 2.2rem minmax(0, 1fr) 2.5rem; padding-block: 1.2rem; }
  }

  /* ---------- Work (case studies) ---------- */
  .work-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; padding: 0; margin: 0; list-style: none; }
  .work-card { display: grid; grid-template-rows: auto 1fr; border-radius: 22px; overflow: hidden; background: var(--navy); border: 1px solid var(--line); transition: border-color 0.3s, transform 0.4s var(--ease); }
  .work-card:hover { border-color: rgb(111 168 201 / 0.45); transform: translateY(-4px); }
  .work-art { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--ink); }
  .work-art .cover { transition: transform 0.8s var(--ease); }
  .work-card:hover .work-art .cover { transform: scale(1.07); }
  .work-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgb(14 27 36 / 0.85)); }
  .work-logo { position: absolute; z-index: 1; inset-inline-start: 1.1rem; bottom: 1.1rem; background: #fff; border-radius: 10px; padding: 0.5rem 0.75rem; display: inline-flex; box-shadow: 0 12px 24px -12px rgb(0 0 0 / 0.6); }
  .work-logo img { block-size: 26px; inline-size: auto; }
  .work-body { padding: 1.35rem 1.4rem 1.5rem; display: grid; gap: 0.75rem; align-content: start; }
  .work-client { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--accent); }
  .work-client span { color: var(--fg-muted); }
  .work-body h3 { font-size: clamp(1.2rem, 1rem + 0.6vw, 1.5rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
  .work-body .case-meta { color: var(--fg-muted); }
  .work-more summary { cursor: pointer; list-style: none; display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; font-size: 0.92rem; color: var(--lavender); }
  .work-more summary::-webkit-details-marker { display: none; }
  .work-more summary::after { content: "+"; font-family: var(--font-mono); color: var(--accent); transition: transform 0.25s var(--ease); }
  .work-more[open] summary::after { transform: rotate(45deg); }
  .work-more dl { display: grid; gap: 0.9rem; margin: 1rem 0 0; padding-block-start: 1rem; border-block-start: 1px solid var(--line); }
  .work-more dt { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); }
  .work-more dt.is-pain { color: var(--clay); }
  .work-more dd { margin: 0.15rem 0 0; color: var(--fg-muted); font-size: 0.94rem; }
  .work-more dd.is-impact { color: var(--fg); }
  @media (max-width: 980px) { .work-grid { grid-template-columns: 1fr; max-width: 620px; } }

  /* ---------- Why IkiTech ---------- */
  .why-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem; padding: 0; margin: 0; list-style: none; }
  .why-card { display: grid; gap: 0.8rem; align-content: start; padding: 1.6rem 1.5rem 1.75rem; background: var(--paper-2); border: 1px solid var(--line-light); box-shadow: 0 20px 40px -34px rgb(22 48 63 / 0.6); transition: transform 0.35s var(--ease); }
  .why-card:hover { transform: translateY(-5px); }
  .why-ic { inline-size: 3rem; block-size: 3rem; border-radius: 14px; display: grid; place-items: center; background: var(--navy); color: var(--lavender); margin-block-end: 0.5rem; }
  .why-ic svg { inline-size: 1.4rem; block-size: 1.4rem; }
  .why-card h3 { font-size: 1.15rem; color: var(--on-light); }
  .why-card p { color: var(--on-light-muted); font-size: 0.96rem; }
  @media (max-width: 1040px) { .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 560px) { .why-grid { grid-template-columns: 1fr; } }

  /* ---------- Blog teaser ---------- */
  .v3-blog .related-head { align-items: end; }
  .v3-blog .related-head h2 { font-size: clamp(2.1rem, 1.5rem + 2.4vw, 3.6rem); }
  .teaser-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
  @media (max-width: 980px) { .teaser-grid { grid-template-columns: 1fr; } }

  /* ---------- Final CTA ---------- */
  .v3-final { padding-block: clamp(2rem, 1rem + 3vw, 4rem) clamp(4rem, 3rem + 4vw, 7rem); }
  .final-card {
    position: relative; overflow: hidden; isolation: isolate; border-radius: 28px; padding: clamp(2.5rem, 1.5rem + 5vw, 6rem) clamp(1.5rem, 1rem + 4vw, 5rem);
    background: radial-gradient(60% 90% at 100% 0%, rgb(81 133 164 / 0.55), transparent 65%), radial-gradient(40% 60% at 0% 100%, rgb(222 143 120 / 0.25), transparent 65%), var(--navy);
    border: 1px solid rgb(111 168 201 / 0.25); display: grid; gap: 1.4rem;
  }
  .final-card::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0.35;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 48px 48px; }
  .final-card h2 { font-size: clamp(3.4rem, 2rem + 8vw, 9rem); letter-spacing: -0.06em; line-height: 0.95; }
  .final-card > p { font-size: var(--step-1); color: var(--fg-muted); max-width: 36rem; }
  .final-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.75rem; }
  .final-mail { color: var(--fg); font-weight: 500; text-underline-offset: 0.3em; }
  .final-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; margin: 0.75rem 0 0; list-style: none; }
  .final-tags li { font-family: var(--font-mono); font-size: 0.74rem; color: var(--lavender); border: 1px solid rgb(210 217 233 / 0.22); border-radius: 999px; padding: 0.35rem 0.8rem; background: rgb(14 27 36 / 0.35); }

  /* ---------- Adjustments to reused sections ---------- */
  .challenge { background: linear-gradient(180deg, rgb(22 48 63 / 0.55), rgb(14 27 36 / 0.3)); border-radius: 20px; }
  .open-grid { border-radius: 22px; }
  .cafe-card { border-radius: 28px; }
}

@layer utilities {
  @media (prefers-reduced-motion: no-preference) {
    .caret { animation: blink 1s steps(1) infinite; }
    @keyframes blink { 50% { opacity: 0; } }

    @supports (animation-timeline: view()) {
      .hero-shot .arch { animation: flatten linear both; animation-timeline: view(); animation-range: entry 10% cover 45%; }
      @keyframes flatten { from { transform: rotateX(16deg) scale(0.94); opacity: 0.85; } to { transform: none; opacity: 1; } }

      .statement { view-timeline-name: --stmt; }
      .statement span { animation: word-on linear both; animation-timeline: --stmt;
        animation-range: cover calc(18% + var(--i) * 1.5%) cover calc(26% + var(--i) * 1.5%); }
      @keyframes word-on { from { color: #7e8a98; } to { color: var(--fg); } }
    }
    .sol-panel.is-active .sol-visual .mock { animation: mock-in 0.6s var(--ease) both; }
    @keyframes mock-in { from { opacity: 0; translate: 0 18px; scale: 0.97; } to { opacity: 1; translate: none; scale: none; } }
    .sol-panel.is-active .mock-prog i { animation: grow-w 1.1s var(--ease) both 0.2s; }
    @keyframes grow-w { from { inline-size: 0; } }
    .sol-panel.is-active .mock-slo .ring { animation: ring 1.2s var(--ease) both 0.2s; }
    @keyframes ring { from { stroke-dasharray: 0 100; } }
    .sol-panel.is-active .bubble--bot { animation: mock-in 0.5s var(--ease) both 0.6s; }
  }
}

/* Motion layer. Rules:
   - Content is always visible at rest; nothing waits on JS to appear.
   - Scroll reveals use scroll-driven animations (progressive: browsers without support show content as-is).
   - Everything is disabled under prefers-reduced-motion. */
@layer utilities {
  :root { interpolate-size: allow-keywords; }

  /* ---- Reading progress, pinned under the header ---- */
  .scroll-progress { position: absolute; inset-inline: 0; bottom: -1px; block-size: 2px; pointer-events: none; overflow: hidden; }
  .scroll-progress::before {
    content: ""; position: absolute; inset: 0; transform-origin: 0 50%; transform: scaleX(0);
    background: linear-gradient(90deg, var(--steel), var(--steel-light) 70%, var(--clay));
  }

  /* ---- Hero ambient light ---- */
  .hero::after {
    content: ""; position: absolute; z-index: -1; inset-inline-end: -10%; top: -20%; inline-size: 55vw; max-inline-size: 760px; aspect-ratio: 1;
    border-radius: 50%; background: radial-gradient(circle, rgb(81 133 164 / 0.28), transparent 62%); pointer-events: none;
  }

  /* ---- Architecture diagram: packets and live hubs ---- */
  .arch-svg .packet { fill: var(--steel-light); filter: drop-shadow(0 0 4px rgb(111 168 201 / 0.9)); }
  .arch-svg .packet--clay { fill: var(--clay); filter: drop-shadow(0 0 4px rgb(222 143 120 / 0.9)); }
  .arch-svg .node { transition: transform 0.35s var(--ease); transform-box: fill-box; transform-origin: center; }
  .arch-svg .node rect { transition: stroke 0.3s, fill 0.3s; }
  .arch-svg .node:not(.node--obs):hover rect { stroke: var(--lavender); fill: #1f4a63; }
  .arch-status { display: inline-flex; align-items: center; gap: 0.45rem; }
  .arch-status::before { content: ""; inline-size: 7px; block-size: 7px; border-radius: 50%; background: #7fd1a8; box-shadow: 0 0 0 0 rgb(127 209 168 / 0.6); }

  /* ---- Card spotlight (follows the pointer on dark cards) ---- */
  .spot { position: relative; isolation: isolate; }
  .spot::after {
    content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; opacity: 0; transition: opacity 0.35s var(--ease); pointer-events: none;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgb(111 168 201 / 0.16), transparent 60%);
  }
  .spot:hover::after { opacity: 1; }

  /* ---- Lifts ---- */
  .case, .model, .accel-item, .challenge { transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease); }
  .case:hover, .challenge:hover { transform: translateY(-4px); border-color: rgb(111 168 201 / 0.45); }
  .model:hover, .accel-item:hover { transform: translateY(-4px); box-shadow: 0 22px 40px -28px rgb(22 48 63 / 0.45); border-color: rgb(47 102 136 / 0.35); }
  .solution-icon { transition: transform 0.4s var(--ease), background-color 0.3s; }
  .solution:hover .solution-icon { transform: rotate(-6deg) scale(1.06); background: var(--slate); }

  /* ---- Accelerators: a rail that fills as you read ---- */
  .accel-list { position: relative; padding-inline-start: 1.75rem; }
  .accel-list::before, .accel-list::after { content: ""; position: absolute; inset-inline-start: 0.35rem; top: 0.5rem; bottom: 0.5rem; inline-size: 2px; border-radius: 2px; }
  .accel-list::before { background: var(--line-light); }
  .accel-list::after { background: linear-gradient(var(--steel), var(--link-light)); transform-origin: 50% 0; transform: scaleY(1); }
  .accel-item { position: relative; }
  .accel-item::before {
    content: ""; position: absolute; inset-inline-start: calc(-1.75rem + 0.05rem); top: 1.85rem; inline-size: 0.6rem; block-size: 0.6rem; border-radius: 50%;
    background: var(--paper-2); border: 2px solid var(--steel); z-index: 1;
  }

  /* ---- FAQ: animated open/close where supported ---- */
  .faq-list details::details-content { block-size: 0; overflow: clip; transition: block-size 0.35s var(--ease), content-visibility 0.35s allow-discrete; }
  .faq-list details[open]::details-content { block-size: auto; }
  .faq-list summary { transition: color 0.2s; }
  .faq-list summary:hover { color: var(--link-light); }

  /* ---- Café card: slow drifting isotype ---- */
  .cafe-pitch .iso { transition: transform 0.8s var(--ease); }
  .cafe-card:hover .cafe-pitch .iso { transform: translate(-10px, -10px) rotate(-4deg); }

  @media (prefers-reduced-motion: no-preference) {
    /* hero entrance: short, ends fully visible */
    .hero-copy > *, .hero .arch { animation: rise 0.9s var(--ease) both; }
    .hero-copy > :nth-child(2) { animation-delay: 0.08s; }
    .hero-copy > :nth-child(3) { animation-delay: 0.16s; }
    .hero-copy > :nth-child(4) { animation-delay: 0.24s; }
    .hero-copy > :nth-child(5) { animation-delay: 0.32s; }
    .hero .arch { animation-delay: 0.2s; animation-duration: 1.1s; }
    .hero::after { animation: drift 18s ease-in-out infinite alternate; }
    .arch-svg .node--hub rect { animation: hub 3.2s ease-in-out infinite; }
    .arch-svg .node--hub:nth-of-type(2) rect { animation-delay: 1.6s; }
    .arch-status::before { animation: ping 2s ease-out infinite; }

    @supports (animation-timeline: scroll()) {
      .scroll-progress::before { animation: grow-x linear both; animation-timeline: scroll(root); }
      .accel-list::after { animation: grow-y linear both; animation-timeline: view(); animation-range: cover 10% cover 70%; }
    }
    @supports (animation-timeline: view()) {
      .reveal { animation: reveal linear both; animation-timeline: view(); animation-range: entry 0% entry 55%; }
      .reveal-group > * { animation: reveal linear both; animation-timeline: view(); animation-range: entry 0% entry 55%; }
      .reveal-group > :nth-child(3n + 2) { animation-range: entry 8% entry 63%; }
      .reveal-group > :nth-child(3n + 3) { animation-range: entry 16% entry 71%; }
    }
  }

  @keyframes rise { from { opacity: 0; translate: 0 18px; } to { opacity: 1; translate: none; } }
  @keyframes reveal { from { opacity: 0; translate: 0 28px; scale: 0.985; } to { opacity: 1; translate: none; scale: none; } }
  @keyframes fade { from { opacity: 0; } to { opacity: 1; } }
  @keyframes grow-x { to { transform: scaleX(1); } }
  @keyframes grow-y { from { transform: scaleY(0); } to { transform: scaleY(1); } }
  @keyframes drift { from { transform: translate(0, 0) scale(1); } to { transform: translate(-6%, 8%) scale(1.12); } }
  @keyframes hub { 0%, 100% { stroke-opacity: 1; } 50% { stroke-opacity: 0.35; } }
  @keyframes ping { 0% { box-shadow: 0 0 0 0 rgb(127 209 168 / 0.55); } 100% { box-shadow: 0 0 0 8px rgb(127 209 168 / 0); } }

  @media (prefers-reduced-motion: reduce) {
    .case:hover, .challenge:hover, .model:hover, .accel-item:hover { transform: none; }
    .solution:hover .solution-icon, .cafe-card:hover .cafe-pitch .iso { transform: none; }
  }
}