:root {
    /* ─── Official Shouka AI brand tokens (single source of truth) ─── */
    --shouka-deep-petrol: #0B3B3C;    /* Foundation / Primary Brand Surface */
    --shouka-teal: #146B68;           /* AI / Data / Tech Layer / Secondary */
    --shouka-gold: #D6A84F;           /* Signature Accent / ROI / Primary CTA / Deer Logo */
    --shouka-off-white: #F7F7F2;      /* Light Mode Background */
    --shouka-dark: #10191A;           /* Dark Mode / Deep Surfaces */
    --shouka-text-primary: #1D2929;   /* Charcoal / Main Text */
    --shouka-text-secondary: #657474; /* Slate / Muted Text & Captions */

    /* ─── Brand palette (aliases → official tokens) ─── */
    --petrol: var(--shouka-deep-petrol);
    --teal: var(--shouka-teal);
    --teal-dark: #0e5956;         /* teal hover / pressed */
    --teal-tint: #e2efed;         /* teal wash for icon tiles */
    --teal-tint-border: #c3dbd8;
    --gold: var(--shouka-gold);
    --gold-dark: #C2953A;         /* gold hover / pressed */
    --cream: var(--shouka-off-white);
    --cream-alt: #eef0ea;         /* alternate section background */
    --ink: var(--shouka-dark);
    --ink-soft: var(--shouka-text-primary);
    --muted: var(--shouka-text-secondary);
    --border: #e2e7e3;            /* hairline borders */
    --border-strong: #c2cbc7;     /* emphasised borders */

    /* ─── Semantic tokens ─── */
    --bg: var(--cream);
    --bg-alt: var(--cream-alt);
    --surface: #ffffff;
    --body-text: #3d4949;
    --accent: var(--teal);
    --accent-dark: var(--teal-dark);
    --accent-tint: var(--teal-tint);
    --accent-tint-border: var(--teal-tint-border);
    --cta: var(--gold);
    --cta-dark: var(--gold-dark);

    --hero-bg: var(--petrol);
    --hero-text: #f4f7f4;
    --hero-text-muted: #b9c6c3;
    --hero-border: rgba(247, 247, 242, 0.14);
    --hero-border-strong: rgba(247, 247, 242, 0.4);

    --footer-bg: var(--ink-soft);
    --footer-text: #d7dedb;
    --footer-muted: #8fa09e;
    --footer-muted-2: #8a9c9a;
    --footer-border: rgba(255, 255, 255, 0.12);

    --nav-bg: rgba(11, 59, 60, 0.82);
    --nav-bg-solid: rgba(11, 59, 60, 0.95);
    --nav-link: #d7e1df;

    --radius-lg: 14px;
    --radius-md: 10px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgba(16, 25, 26, 0.06);
    --shadow-md: 0 6px 20px rgba(16, 25, 26, 0.08);
    --font: 'Vazirmatn', sans-serif;
  }

  *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--ink);
    direction: rtl;
    text-align: right;
    line-height: 1.7;
  }

  img, svg, video { display: block; max-width: 100%; }

  /* ─── ICONS ─── */
  .icon { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
  .icon-tile {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--accent-tint);
    border: 1px solid var(--accent-tint-border);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  /* ─── TYPOGRAPHY ─── */
  .display-lg { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 800; line-height: 1.3; letter-spacing: -0.01em; color: var(--ink); }
  .label { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
  .accent-word { color: var(--accent); white-space: nowrap; }
  /* Long accent phrases must be allowed to wrap on phones, otherwise the
     nowrap min-content width overflows the viewport (hero title). */
  @media (max-width: 640px) {
    .accent-word { white-space: normal; }
  }

  /* ─── SECTION LAYOUT ─── */
  section { position: relative; }
  .container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 3rem); }
  .section-pad { padding: clamp(4rem, 8vw, 6.5rem) 0; }
  .section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

  .section-header { max-width: 640px; margin-bottom: 3rem; }
  .section-header .label { display: block; margin-bottom: 0.75rem; }
  .section-header h2 { margin-bottom: 0.9rem; }
  .section-header p { color: var(--body-text); font-size: 1rem; }

  /* ─── BUTTONS ─── */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
    transition: background-color 0.15s, border-color 0.15s, color 0.15s;
  }
  .btn-primary {
    background: var(--cta);
    color: var(--ink);
    box-shadow: var(--shadow-sm);
  }
  .btn-primary:hover { background: var(--cta-dark); color: var(--ink); }
  .btn-outline {
    background: var(--surface);
    color: var(--ink);
    border-color: var(--border-strong);
  }
  .btn-outline:hover { border-color: var(--accent); color: var(--accent); }

  /* ══════════════════════════════════════════
     NAVIGATION
  ══════════════════════════════════════════ */
  nav {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
    padding: 0.9rem 0;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s, padding 0.2s, background-color 0.2s;
  }
  nav.scrolled {
    border-bottom-color: var(--hero-border);
    background: var(--nav-bg-solid);
    padding: 0.65rem 0;
  }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
  }
  .nav-logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 9px;
    background: var(--petrol);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .nav-brand { font-size: 1.02rem; font-weight: 700; color: var(--hero-text); }
  .nav-brand span { color: var(--cta); }
  .nav-links {
    display: flex;
    gap: 0.25rem;
    list-style: none;
    align-items: center;
  }
  .nav-links a {
    color: var(--nav-link);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background-color 0.15s;
  }
  .nav-links a:hover { color: var(--hero-text); background: rgba(247, 247, 242, 0.1); }
  .nav-cta { margin-right: 0.5rem; padding: 0.6rem 1.3rem; font-size: 0.88rem; }
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
  }
  .hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--hero-text);
    border-radius: 2px;
  }
  .mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(11, 59, 60, 0.98);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: safe center;
    gap: 2rem;
    overflow-y: auto;
    padding: 5.5rem 1.5rem 2rem;
  }
  .mobile-menu.open { display: flex; }
  /* Compact the menu on short viewports so every item stays reachable */
  @media (max-height: 640px) {
    .mobile-menu { gap: 1.25rem; }
    .mobile-menu a { font-size: 1.15rem; }
  }
  /* The hamburger sits above the overlay (nav z-index); hide it while the
     menu is open so only the close button shows in the corner. */
  body.menu-open .hamburger { display: none; }
  .mobile-menu a {
    color: var(--hero-text);
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 600;
  }
  .mobile-menu a:hover { color: var(--cta); }
  .mobile-menu .mobile-menu-cta {
    margin-top: 1rem;
    padding: 0.85rem 2.5rem;
    font-size: 1.05rem;
    color: var(--ink);
  }
  .mobile-menu .mobile-menu-cta:hover { color: var(--ink); }
  .mobile-close {
    position: absolute;
    top: 4.75rem;
    left: 1.25rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(247, 247, 242, 0.08);
    border: 1px solid var(--hero-border);
    color: var(--hero-text);
    font-size: 1.35rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s, border-color 0.15s, background-color 0.15s;
  }
  .mobile-close:hover {
    color: var(--cta);
    border-color: var(--hero-border-strong);
    background: rgba(247, 247, 242, 0.12);
  }

  /* ══════════════════════════════════════════
     HERO
  ══════════════════════════════════════════ */
  .hero {
    background: var(--hero-bg);
    color: var(--hero-text);
    padding: clamp(8rem, 14vw, 11rem) 0 clamp(4rem, 8vw, 6rem);
    border-bottom: 1px solid var(--hero-border);
  }
  .hero-content {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: center;
  }
  .hero-title {
    font-size: clamp(2rem, 3.2vw, 2.9rem);
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: -0.015em;
    margin-bottom: 1.5rem;
    color: var(--hero-text);
  }
  .hero-desc {
    color: var(--hero-text-muted);
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 2.25rem;
    max-width: 620px;
  }
  .hero-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
  }
  /* On-petrol overrides: dominant gold CTA + quiet text-link secondary */
  .hero .label { color: var(--cta); }
  .hero .accent-word { color: var(--cta); }
  .hero .btn-primary {
    font-size: 1.02rem;
    font-weight: 700;
    padding: 0.95rem 2.1rem;
    box-shadow: 0 8px 20px rgba(8, 26, 27, 0.28);
    transition: background-color 0.15s, transform 0.15s, box-shadow 0.15s;
  }
  .hero .btn-primary:hover {
    background: var(--cta-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(8, 26, 27, 0.32);
  }
  .hero .btn-outline {
    background: transparent;
    color: var(--hero-text-muted);
    border-color: transparent;
    padding: 0.6rem 0.15rem;
    font-size: 0.9rem;
    font-weight: 500;
    gap: 0.5rem;
    transition: color 0.15s;
  }
  .hero .btn-outline:hover { color: var(--cta); border-color: transparent; }
  .hero .btn-outline .icon { transition: transform 0.15s; }
  .hero .btn-outline:hover .icon { transform: translateX(-3px); }
  .hero :focus-visible { outline-color: var(--cta); }
  .hero-actions-note {
    margin-top: 0.9rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--hero-text-muted);
  }
  .hero-stats {
    display: flex;
    gap: clamp(1.5rem, 4vw, 3.5rem);
    margin-top: 3.5rem;
    padding-top: 2.25rem;
    border-top: 1px solid var(--hero-border);
    flex-wrap: wrap;
  }
  .hero-stat-num { font-size: 1.9rem; font-weight: 800; color: var(--hero-text); line-height: 1.2; }
  .hero-stat-num span { color: var(--cta); }
  .hero-stat-label { font-size: 0.85rem; color: var(--hero-text-muted); margin-top: 0.15rem; font-weight: 500; }

  /* Hero product visual: minimal browser frame around a product screenshot */
  .browser-frame {
    background: var(--surface);
    border: 1px solid var(--hero-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
  }
  .browser-bar {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.65rem 0.9rem;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    direction: ltr;
  }
  .b-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }
  .b-url {
    flex: 1;
    margin: 0 0.6rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.15rem 0.7rem;
    font-size: 0.7rem;
    color: var(--muted);
    text-align: center;
    max-width: 220px;
  }
  /* Hero media: muted looping clip with the 28KB webp as poster.
     The fixed aspect-ratio (same as the poster) prevents layout shift,
     and object-fit covers any intrinsic video ratio. */
  .hero-video,
  .hero-video-fallback {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1352 / 874;
    object-fit: cover;
    object-position: center 30%;
  }
  .hero-video-fallback { display: none; }

  /* ══════════════════════════════════════════
     ABOUT
  ══════════════════════════════════════════ */
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: center;
  }
  .about-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem 1.5rem;
    box-shadow: var(--shadow-sm);
  }
  .about-visual { position: relative; aspect-ratio: 4/3; }
  .about-net { position: absolute; inset: 0; width: 100%; height: 100%; }
  .about-hub {
    position: absolute; top: 44%; left: 50%; transform: translate(-50%, -50%);
    width: 84px; height: 84px; border-radius: 18px;
    background: var(--petrol);
    display: flex; align-items: center; justify-content: center;
    z-index: 3;
  }
  .about-hub img { width: 42px; height: auto; }
  .about-node {
    position: absolute; transform: translate(-50%, -50%);
    width: 46px; height: 46px; border-radius: var(--radius-md);
    background: var(--surface); border: 1px solid var(--border-strong);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent);
    box-shadow: var(--shadow-sm);
    z-index: 2;
  }
  .about-node .icon { width: 20px; height: 20px; }
  .about-cap {
    text-align: center;
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.82rem; color: var(--muted); font-weight: 600;
  }
  .about-text-col p {
    color: var(--body-text);
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 1.25rem;
  }
  .pillars {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
  }
  .pillar-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
  }
  .pillar-card .icon { color: var(--accent); margin-bottom: 0.7rem; }
  .pillar-title { font-size: 0.9rem; font-weight: 700; color: var(--ink); margin-bottom: 0.3rem; }
  .pillar-desc { font-size: 0.82rem; color: var(--muted); line-height: 1.65; }

  /* ══════════════════════════════════════════
     SERVICES
  ══════════════════════════════════════════ */
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
  }
  /* 7 cards: lay out 4+3 on wide screens instead of a stranded 3+3+1 */
  @media (min-width: 1100px) {
    .services-grid { grid-template-columns: repeat(4, 1fr); }
  }
  .service-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .service-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
  }
  .service-card .icon-tile { margin-bottom: 1.25rem; }
  .service-title {
    font-size: 1.02rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: var(--ink);
  }
  .service-desc {
    font-size: 0.88rem;
    color: var(--body-text);
    line-height: 1.75;
  }

  /* ══════════════════════════════════════════
     INDUSTRIES
  ══════════════════════════════════════════ */
  /* Duotone gradient panels — icon as accent, name + arrow as the content */
  .industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
  .industry-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    min-height: 150px;
    padding: 1.5rem;
    background:
      radial-gradient(120% 95% at 88% 0%, rgba(214, 168, 79, 0.18), transparent 55%),
      radial-gradient(130% 95% at 0% 100%, rgba(20, 107, 104, 0.16), transparent 58%),
      var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
  }
  .industry-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }
  .industry-card .icon {
    width: 42px;
    height: 42px;
    padding: 8px;
    border-radius: var(--radius-md);
    background: var(--accent-tint);
    border: 1px solid var(--accent-tint-border);
    color: var(--accent);
  }
  .industry-card::after {
    content: '←';
    position: absolute;
    bottom: 1.15rem;
    left: 1.25rem;
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1;
    color: var(--cta);
    opacity: 0.95;
  }
  .industry-label {
    margin-top: auto;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.5;
    padding-inline-end: 0.25rem;
  }

  /* ══════════════════════════════════════════
     WHY US / STATS
  ══════════════════════════════════════════ */
  .stats-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--petrol);
    border: 1px solid var(--hero-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }

  /* Proof band right under the hero — a slim, self-contained stats strip */
  .proof {
    background: var(--bg);
    padding: clamp(2.25rem, 5vw, 4rem) 0;
  }
  .proof .stats-band { box-shadow: var(--shadow-md); }
  .stat-cell {
    padding: 2rem 1.5rem;
    text-align: center;
    border-left: 1px solid var(--hero-border);
  }
  .stat-cell:last-child { border-left: none; }
  .stat-num { font-size: 2.2rem; font-weight: 800; color: var(--hero-text); line-height: 1.2; }
  .stat-num span { color: var(--cta); }
  .stat-label { font-size: 0.85rem; color: var(--hero-text-muted); font-weight: 500; margin-top: 0.25rem; }
  /* Numbered editorial list — distinct from the icon-card sections */
  .why-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 2.5rem;
  }
  .why-card {
    display: flex;
    align-items: flex-start;
    gap: 1.1rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px dashed var(--border-strong);
  }
  .why-num {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--cta);
    color: var(--ink);
    font-size: 0.95rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
  }
  .why-title { font-size: 1rem; font-weight: 800; color: var(--ink); margin-bottom: 0.35rem; }
  .why-desc { font-size: 0.86rem; color: var(--body-text); line-height: 1.75; }

  /* ══════════════════════════════════════════
     PROCESS
  ══════════════════════════════════════════ */
  .process-timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
  }
  .process-timeline::before {
    content: '';
    position: absolute;
    top: 24px;
    right: 10%;
    left: 10%;
    height: 1px;
    background: var(--border-strong);
    z-index: 0;
  }
  .process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 0.5rem;
    position: relative;
    z-index: 1;
  }
  .step-num-wrap {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
  }
  .step-num { font-size: 0.95rem; font-weight: 700; color: var(--accent); }
  .step-title { font-size: 0.95rem; font-weight: 700; color: var(--ink); margin-bottom: 0.4rem; }
  .step-desc { font-size: 0.82rem; color: var(--muted); line-height: 1.65; }

  /* ══════════════════════════════════════════
     CASE STUDIES
  ══════════════════════════════════════════ */
  .cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
  .case-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .case-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
  }
  .case-img {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }
  .case-tag {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    background: rgba(255,255,255,0.92);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 0.25rem 0.75rem;
    font-size: 0.72rem;
    color: var(--accent);
    font-weight: 600;
  }
  .case-body { padding: 1.5rem; }
  .case-metric {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.1rem;
  }
  .case-metric-item .m-num { font-size: 1.35rem; font-weight: 800; color: var(--accent); }
  .case-metric-item .m-lbl { font-size: 0.74rem; color: var(--muted); font-weight: 500; }
  .case-title { font-size: 1rem; font-weight: 700; color: var(--ink); margin-bottom: 0.5rem; }
  .case-desc { font-size: 0.85rem; color: var(--body-text); line-height: 1.7; }

  /* ══════════════════════════════════════════
     PRODUCTS
  ══════════════════════════════════════════ */
  .products-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.25rem;
  }
  .product-card {
    grid-column: span 2;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  /* 5 cards → 3 across, then 2 wider cards to keep the last row balanced */
  .product-card:nth-child(4),
  .product-card:nth-child(5) { grid-column: span 3; }
  .product-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
  .product-media {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--ink);
    overflow: hidden;
  }
  .product-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .product-tag {
    position: absolute;
    top: 0.9rem;
    left: 0.9rem;
    background: rgba(11, 59, 60, 0.82);
    border: 1px solid rgba(247, 247, 242, 0.2);
    color: var(--hero-text);
    border-radius: 100px;
    padding: 0.25rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    direction: ltr;
    backdrop-filter: blur(4px);
  }
  .product-body {
    padding: 1.35rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .product-title { font-size: 1.05rem; font-weight: 800; color: var(--ink); margin-bottom: 0.5rem; }
  .product-desc { font-size: 0.86rem; color: var(--body-text); line-height: 1.75; margin-bottom: 1.1rem; }
  .product-caps {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 1.35rem;
  }
  .product-caps li {
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-tint);
    border: 1px solid var(--accent-tint-border);
    border-radius: 100px;
    padding: 0.28rem 0.75rem;
  }
  .product-actions {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--border);
  }
  .product-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font);
    font-size: 0.86rem;
    font-weight: 700;
    padding: 0.55rem 1.3rem;
    border-radius: var(--radius-sm);
    background: var(--cta);
    color: var(--ink);
    border: 1px solid transparent;
    text-decoration: none;
    transition: background-color 0.15s;
  }
  .product-btn:hover { background: var(--cta-dark); }
  .product-btn .icon { width: 14px; height: 14px; fill: currentColor; }
  .product-link {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: color 0.15s;
  }
  .product-link:hover { color: var(--teal-dark); }
  .product-link .icon { width: 15px; height: 15px; }

  /* ══════════════════════════════════════════
     CLIENTS
  ══════════════════════════════════════════ */
  #clients {
    background: var(--petrol);
    border-top: 1px solid var(--hero-border);
    border-bottom: 1px solid var(--hero-border);
  }
  #clients .label { color: var(--cta); }
  #clients .display-lg { color: var(--hero-text); }
  #clients .section-header p { color: var(--hero-text-muted); }
  .clients-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
  .client-card {
    background: var(--surface);
    border: 1px solid var(--hero-border);
    border-radius: var(--radius-lg);
    padding: 1.9rem 1.5rem 1.6rem;
    text-align: center;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .client-card::before {
    content: '';
    display: block;
    width: 34px;
    height: 3px;
    border-radius: 100px;
    background: var(--cta);
    margin: 0 auto 1.1rem;
  }
  .client-card:hover { border-color: var(--hero-border-strong); box-shadow: var(--shadow-md); }
  .client-industry { font-size: 1.05rem; font-weight: 800; color: var(--ink); margin-bottom: 0.45rem; }
  .client-project { font-size: 0.85rem; color: var(--body-text); line-height: 1.7; }

  /* Confidentiality disclosure under case studies & clients */
  .confidential-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.75rem;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--muted);
  }
  .confidential-note .icon { width: 14px; height: 14px; color: var(--muted); flex-shrink: 0; }
  #clients .confidential-note { color: var(--hero-text-muted); }
  #clients .confidential-note .icon { color: var(--hero-text-muted); }

  /* ══════════════════════════════════════════
     CONTACT
  ══════════════════════════════════════════ */
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
  }
  .contact-info p { color: var(--body-text); font-size: 0.95rem; line-height: 1.85; margin-bottom: 2.25rem; }
  .contact-items { display: flex; flex-direction: column; gap: 1.25rem; }
  .contact-item { display: flex; align-items: flex-start; gap: 1rem; }
  .contact-item .icon-tile { width: 44px; height: 44px; }
  .contact-item-text .cit { font-size: 0.78rem; color: var(--muted); font-weight: 600; margin-bottom: 0.15rem; }
  .contact-item-text .civ { font-size: 0.92rem; color: var(--ink); font-weight: 500; direction: ltr; text-align: right; }
  .contact-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
  }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
  .form-group { margin-bottom: 1rem; }
  .form-group label { display: block; font-size: 0.84rem; font-weight: 600; color: var(--ink); margin-bottom: 0.45rem; }
  .form-group input,
  .form-group textarea,
  .form-group select {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 0.8rem 1rem;
    color: var(--ink);
    font-family: var(--font);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    direction: rtl;
    text-align: right;
  }
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(20, 107, 104, 0.16);
  }
  .form-group input::placeholder,
  .form-group textarea::placeholder { color: var(--muted); }
  .form-group textarea { resize: vertical; min-height: 120px; }
  .form-submit { width: 100%; padding: 0.95rem; font-size: 1rem; font-weight: 700; margin-top: 0.5rem; justify-content: center; }

  /* ══════════════════════════════════════════
     FOOTER
  ══════════════════════════════════════════ */
  footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 4rem 0 2rem;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--footer-border);
    margin-bottom: 2rem;
  }
  .footer-logo { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 1rem; }
  .footer-logo .fli { width: 36px; height: 36px; border-radius: 8px; background: var(--petrol); display: flex; align-items: center; justify-content: center; }
  .footer-logo .fli img { width: 17px; height: auto; }
  .footer-logo .fln { font-size: 0.92rem; font-weight: 700; color: #fff; }
  .footer-brand p { font-size: 0.84rem; color: var(--footer-muted); line-height: 1.75; max-width: 280px; }
  .footer-socials { display: flex; gap: 0.7rem; margin-top: 1.5rem; }
  .footer-socials a {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--footer-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--footer-muted);
    text-decoration: none;
    transition: color 0.15s, border-color 0.15s;
  }
  .footer-socials a:hover { color: #fff; border-color: rgba(255,255,255,0.35); }
  .footer-socials a svg { width: 17px; height: 17px; display: block; }
  .footer-col h4 { font-size: 0.86rem; font-weight: 700; color: #fff; margin-bottom: 1.2rem; }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
  .footer-col ul li a { color: var(--footer-muted); text-decoration: none; font-size: 0.84rem; transition: color 0.15s; }
  .footer-col ul li a:hover { color: #fff; }
  .footer-bottom { display: flex; justify-content: space-between; align-items: center; }
  .footer-copy { font-size: 0.8rem; color: var(--footer-muted-2); }
  .footer-legal { display: flex; gap: 1.5rem; }
  .footer-legal a { font-size: 0.8rem; color: var(--footer-muted-2); text-decoration: none; transition: color 0.15s; }
  .footer-legal a:hover { color: #fff; }

  /* ══════════════════════════════════════════
     RESPONSIVE
  ══════════════════════════════════════════ */
  @media (max-width: 1100px) {
    .industries-grid { grid-template-columns: repeat(3, 1fr); }
    .industries-grid .industry-card:last-child { grid-column: 1 / -1; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  }

  @media (max-width: 900px) {
    .hero-content { grid-template-columns: 1fr; }
    .hero-visual { display: block; width: 100%; max-width: 520px; margin: 0 auto; }
    .hero-visual .hero-video,
    .hero-visual .hero-video-fallback { aspect-ratio: 16 / 10; }
    .about-grid { grid-template-columns: 1fr; }
    .about-panel { max-width: 520px; }
    .process-timeline { grid-template-columns: 1fr 1fr; row-gap: 2rem; }
    .process-timeline::before { display: none; }
    .cases-grid { grid-template-columns: 1fr 1fr; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid .product-card { grid-column: span 1; }
    .products-grid .product-card:last-child { grid-column: span 2; }
    .clients-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .stats-band { grid-template-columns: 1fr 1fr; }
    .stat-cell:nth-child(2) { border-left: none; }
    .stat-cell:nth-child(1), .stat-cell:nth-child(2) { border-bottom: 1px solid var(--border); }
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .hamburger { display: flex; }
  }

  @media (max-width: 640px) {
    .services-grid { grid-template-columns: 1fr; }
    .industries-grid { grid-template-columns: repeat(2, 1fr); }
    .industries-grid .industry-card:last-child { grid-column: 1 / -1; }
    .cases-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .products-grid .product-card { grid-column: span 1; }
    .products-grid .product-card:last-child { grid-column: span 1; }
    .clients-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .process-timeline { grid-template-columns: 1fr; }
    .stats-band { grid-template-columns: 1fr 1fr; }
    .pillars { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
    .footer-legal { gap: 1rem; }
    /* ── #29 mobile polish ── */
    .why-cards { grid-template-columns: 1fr; }
    .section-header { margin-bottom: 2.25rem; }
    .stat-cell { padding: 1.5rem 0.75rem; }
    .stat-num { font-size: 1.9rem; }
    /* Sticky mobile CTA */
    .sticky-cta { display: flex; }
  }

  /* ── #29 tighter mobile layout (small phones) ── */
  @media (max-width: 414px) {
    .nav-brand { font-size: 0.95rem; }
    .hero-actions { flex-direction: column; align-items: stretch; gap: 0.75rem; }
    .hero-actions .btn-primary { flex: 1 1 100%; justify-content: center; }
    .hero-actions .btn-outline { flex: 0 0 auto; align-self: center; justify-content: center; }
    .hero-actions-note { text-align: center; }
    .hero-stat-num { font-size: 1.65rem; }
    .product-actions { flex-wrap: wrap; gap: 0.75rem 1rem; }
    .product-btn { flex: 1 1 100%; justify-content: center; }
    .contact-form { padding: 1.5rem 1.25rem; }
  }

  /* ══════════════════════════════════════════
     STICKY MOBILE CTA (#29)
  ══════════════════════════════════════════ */
  .sticky-cta {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 900;
    display: none;
    align-items: center;
    gap: 0.5rem;
    background: rgba(11, 59, 60, 0.92);
    border: 1px solid var(--hero-border);
    border-radius: 100px;
    padding: 0.45rem 0.55rem 0.45rem 0.6rem;
    box-shadow: 0 12px 32px rgba(16, 25, 26, 0.35);
    backdrop-filter: blur(10px);
    animation: sticky-cta-in 0.35s ease both;
  }
  @keyframes sticky-cta-in {
    from { opacity: 0; transform: translate(-50%, 16px); }
    to   { opacity: 1; transform: translate(-50%, 0); }
  }
  .sticky-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--cta);
    color: var(--ink);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 800;
    padding: 0.7rem 1.5rem;
    border-radius: 100px;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.15s;
  }
  .sticky-cta-btn:hover { background: var(--cta-dark); color: var(--ink); }
  .sticky-cta-close {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: none;
    border: none;
    color: var(--hero-text-muted);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s, background-color 0.15s;
  }
  .sticky-cta-close:hover {
    color: var(--hero-text);
    background: rgba(247, 247, 242, 0.08);
  }
  /* Hidden while the contact form or footer is on screen */
  .sticky-cta.is-overlap { opacity: 0; pointer-events: none; }

  /* ══════════════════════════════════════════
     ACCESSIBILITY
  ══════════════════════════════════════════ */
  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
  }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
      animation-duration: 0.001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.001ms !important;
    }
    /* Hero: show the static poster image instead of the looping clip */
    .hero-video { display: none; }
    .hero-video-fallback { display: block; }
  }

  /* Form feedback */
  .form-note { font-size: 0.78rem; margin-top: 0.4rem; min-height: 1rem; }
  .form-note.error { color: #b42318; }
  .form-status {
    display: none;
    margin-top: 1rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
  }
  .form-status.show { display: block; }
  .form-status.success { background: #eefbf4; border: 1px solid #a6e9c8; color: #067647; }
  .form-status.error { background: #fef3f2; border: 1px solid #fda29b; color: #b42318; }
  .hidden-field { display: none; }
  .visually-hidden {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap; border: 0;
  }
  .skip-link {
    position: absolute; top: -60px; right: 1rem; z-index: 2000;
    background: var(--accent); color: #fff;
    padding: 0.6rem 1.2rem; border-radius: var(--radius-sm);
    font-weight: 700; text-decoration: none; transition: top 0.2s;
  }
  .skip-link:focus { top: 1rem; }

  /* ══════════════════════════════════════════
     P2 ENTERPRISE — SERVICES PILLARS (§19)
  ══════════════════════════════════════════ */
  .svc-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    align-items: stretch;
  }
  .svc-pillar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .svc-pillar:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
  .svc-pillar-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.25rem;
  }
  .svc-pillar-num {
    font-size: 1.9rem;
    font-weight: 800;
    line-height: 1;
    color: var(--border-strong);
  }
  .svc-pillar-title { font-size: 1.15rem; font-weight: 800; color: var(--ink); }
  .svc-pillar-en {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0.25rem 0 0.9rem;
  }
  .svc-pillar-solve {
    font-size: 0.88rem;
    color: var(--body-text);
    line-height: 1.8;
    margin-bottom: 1.1rem;
  }
  .svc-cap-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 1.4rem;
  }
  .svc-cap-list li {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-tint);
    border: 1px solid var(--accent-tint-border);
    border-radius: 100px;
    padding: 0.32rem 0.85rem;
  }
  .svc-pillar-links { margin-bottom: 1.1rem; }
  .svc-pillar-links-title {
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--muted);
    margin-bottom: 0.5rem;
  }
  .svc-pillar-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
  }
  .svc-pillar-links-list a {
    font-size: 0.84rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.15s;
  }
  .svc-pillar-links-list a::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    opacity: 0.6;
  }
  .svc-pillar-links-list a:hover { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
  .svc-pillar-cta { margin-top: auto; justify-content: center; width: 100%; }

  /* ══════════════════════════════════════════
     P2 ENTERPRISE — PROBLEMS (§20) + LEAD FUNNEL (§27)
  ══════════════════════════════════════════ */
  .problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
  .problem-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 3px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .problem-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
  .problem-num {
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1;
    color: var(--border-strong);
  }
  .problem-card .icon-tile { margin-bottom: 1rem; }
  .problem-title { font-size: 1.02rem; font-weight: 800; color: var(--ink); margin-bottom: 0.5rem; }
  .problem-desc {
    font-size: 0.85rem;
    color: var(--body-text);
    line-height: 1.75;
    margin-bottom: 1.1rem;
  }
  .problem-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s;
  }
  .problem-link:hover { color: var(--accent-dark); }
  .problem-link .icon { transition: transform 0.15s; }
  .problem-link:hover .icon { transform: translateX(-3px); }
  .problem-case {
    display: inline-block;
    margin-top: 0.4rem;
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--muted);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: var(--border-strong);
  }
  .problem-case:hover { color: var(--accent); }
  .problem-cta-row { display: flex; justify-content: center; margin-top: 2.75rem; }

  .lead-funnel {
    position: relative;
    background: var(--petrol);
    border: 1px solid var(--hero-border);
    border-radius: var(--radius-lg);
    margin-top: 3rem;
    padding: 2.25rem;
    overflow: hidden;
  }
  .lead-funnel::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(55% 90% at 85% 0%, rgba(214, 168, 79, 0.12), transparent 60%);
    pointer-events: none;
  }
  .lead-funnel-title {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--cta);
    margin-bottom: 1.4rem;
  }
  .lead-funnel-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.9rem;
  }
  .lf-card {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    padding: 1.35rem 1.25rem;
    border: 1px solid var(--hero-border);
    border-radius: var(--radius-md);
    background: rgba(247, 247, 242, 0.03);
    color: var(--hero-text);
    text-decoration: none;
    transition: border-color 0.15s, background-color 0.15s;
  }
  .lf-card:hover { border-color: var(--hero-border-strong); background: rgba(247, 247, 242, 0.07); }
  .lf-card-primary {
    border-color: var(--cta);
    background: rgba(214, 168, 79, 0.1);
  }
  .lf-card-primary:hover { border-color: var(--cta); background: rgba(214, 168, 79, 0.16); }
  .lf-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(214, 168, 79, 0.14);
    color: var(--cta);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.4rem;
  }
  .lf-title { font-size: 0.92rem; font-weight: 700; color: var(--hero-text); }
  .lf-desc { font-size: 0.78rem; color: var(--hero-text-muted); line-height: 1.7; }
  .lf-arrow { margin-top: auto; color: var(--cta); font-weight: 800; font-size: 1.05rem; }

  /* ══════════════════════════════════════════
     P2 ENTERPRISE — ARCHITECTURE (§21)
  ══════════════════════════════════════════ */
  .arch-flow {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
  .arch-glow {
    position: absolute;
    top: 25%;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    background: radial-gradient(closest-side, rgba(20, 107, 104, 0.14), transparent 75%);
    pointer-events: none;
  }
  .arch-layer {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 1.2rem 1.4rem;
    box-shadow: var(--shadow-sm);
  }
  .arch-layer-badge {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent-tint);
    border: 1px solid var(--accent-tint-border);
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .arch-layer-body { display: flex; flex-direction: column; }
  .arch-layer-title { font-size: 0.98rem; font-weight: 800; color: var(--ink); }
  .arch-layer-sub { font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; }
  .arch-layer-icon {
    margin-inline-start: auto;
    color: var(--accent);
    width: 26px;
    height: 26px;
    flex-shrink: 0;
  }
  .arch-arrow {
    position: relative;
    z-index: 1;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .arch-arrow svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; opacity: 0.85; }
  .arch-layer-core {
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--petrol);
    border-color: var(--hero-border);
    padding: 1.75rem 1.5rem 1.5rem;
  }
  .arch-layer-core .arch-layer-badge {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    background: rgba(247, 247, 242, 0.1);
    border-color: var(--hero-border-strong);
    color: var(--cta);
  }
  .arch-layer-core .arch-layer-title { color: var(--hero-text); font-size: 1.05rem; }
  .arch-layer-core .arch-layer-sub { color: var(--hero-text-muted); }
  .arch-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.45rem;
    margin-top: 1rem;
  }
  .arch-chips span {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--teal-dark);
    background: var(--accent-tint);
    border: 1px solid var(--teal-tint-border);
    border-radius: 100px;
    padding: 0.32rem 0.9rem;
  }
  .arch-layer-outcome {
    border-color: var(--gold);
    background: rgba(214, 168, 79, 0.07);
  }
  .arch-layer-outcome .arch-layer-badge {
    background: var(--cta);
    border-color: var(--cta);
    color: var(--ink);
  }
  .arch-layer-outcome .arch-layer-title { color: var(--ink); }
  .arch-layer-outcome .arch-layer-icon { color: var(--gold-dark); }
  .arch-note {
    max-width: 640px;
    margin: 2.25rem auto 0;
    text-align: center;
    font-size: 0.86rem;
    color: var(--body-text);
    line-height: 1.9;
  }

  /* ══════════════════════════════════════════
     P2 ENTERPRISE — TECH STACK (§22)
  ══════════════════════════════════════════ */
  .stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1rem;
  }
  .stack-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.4rem;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .stack-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
  .stack-card-title {
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 0.9rem;
  }
  .stack-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
  .stack-tags span {
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-tint);
    border: 1px solid var(--accent-tint-border);
    border-radius: 100px;
    padding: 0.28rem 0.7rem;
  }

  /* ══════════════════════════════════════════
     P2 ENTERPRISE — SECURITY (§24)
  ══════════════════════════════════════════ */
  .security-pad {
    background-color: var(--petrol);
    background-image:
      radial-gradient(55% 55% at 88% 0%, rgba(214, 168, 79, 0.1), transparent 60%),
      radial-gradient(45% 55% at 5% 100%, rgba(20, 107, 104, 0.4), transparent 65%),
      linear-gradient(rgba(247, 247, 242, 0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(247, 247, 242, 0.035) 1px, transparent 1px);
    background-size: auto, auto, 44px 44px, 44px 44px;
    padding: clamp(4rem, 8vw, 6.5rem) 0;
    border-top: 1px solid var(--hero-border);
  }
  .security-pad .label { color: var(--cta); }
  .security-pad .display-lg { color: var(--hero-text); }
  .security-pad .section-header p { color: var(--hero-text-muted); }
  .sec-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
  .sec-item {
    background: rgba(247, 247, 242, 0.04);
    border: 1px solid var(--hero-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.35rem;
    transition: border-color 0.15s, background-color 0.15s;
  }
  .sec-item:hover { border-color: var(--hero-border-strong); background: rgba(247, 247, 242, 0.07); }
  .sec-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(214, 168, 79, 0.14);
    color: var(--cta);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
  }
  .sec-title { font-size: 0.95rem; font-weight: 800; color: var(--hero-text); margin-bottom: 0.4rem; }
  .sec-desc { font-size: 0.82rem; color: var(--hero-text-muted); line-height: 1.75; }
  .sec-note {
    max-width: 640px;
    margin: 2.25rem auto 0;
    text-align: center;
    font-size: 0.84rem;
    color: var(--hero-text-muted);
    line-height: 1.85;
  }
  .sec-cta { display: flex; justify-content: center; margin-top: 2.25rem; }

  /* ══════════════════════════════════════════
     P2 ENTERPRISE — PROCESS STAGE LABEL (§23)
  ══════════════════════════════════════════ */
  .step-en {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.4rem;
  }

  /* ══════════════════════════════════════════
     P2 ENTERPRISE — TWO-STEP FORM (§28)
  ══════════════════════════════════════════ */
  .form-card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.5rem; color: var(--ink); }
  .form-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    margin-bottom: 0.5rem;
  }
  .form-progress-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--border-strong);
    transition: background-color 0.15s, border-color 0.15s;
  }
  .form-progress-dot.is-active { background: var(--accent); border-color: var(--accent); }
  .form-progress-line { width: 38px; height: 2px; background: var(--border-strong); border-radius: 2px; }
  .form-step-ind {
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 1.4rem;
  }
  .form-step[hidden] { display: none; }
  .form-step-title { font-size: 1rem; font-weight: 800; color: var(--ink); margin-bottom: 1.1rem; }
  .problem-options {
    border: 0;
    padding: 0;
    margin: 0 0 0.25rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    min-width: 0;
  }
  .problem-option { position: relative; }
  .problem-option-wide { grid-column: 1 / -1; }
  .problem-radio {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
  }
  .problem-option-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    background: var(--surface);
    padding: 0.7rem 0.95rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ink);
    cursor: pointer;
    transition: border-color 0.15s, background-color 0.15s, color 0.15s;
  }
  .problem-option-label:hover { border-color: var(--accent); }
  .problem-check {
    width: 15px;
    height: 15px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: none;
    flex-shrink: 0;
  }
  .problem-radio:checked + .problem-option-label {
    border-color: var(--accent);
    background: var(--accent-tint);
    color: var(--accent);
  }
  .problem-radio:checked + .problem-option-label .problem-check { display: block; }
  .problem-radio:focus-visible + .problem-option-label {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }
  .form-continue { width: 100%; justify-content: center; margin-top: 0.9rem; }
  .form-step-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.25rem;
  }
  .form-step-nav .form-submit { width: auto; margin-top: 0; padding: 0.8rem 2.2rem; }
  .form-back {
    background: none;
    border: none;
    color: var(--accent);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.5rem 0.25rem;
  }
  .form-back:hover { text-decoration: underline; text-underline-offset: 3px; }
  .form-group.has-error input { border-color: #b42318; }
  .field-error { color: #b42318; font-size: 0.78rem; font-weight: 500; margin-top: 0.35rem; }
  .req { color: var(--accent); }
  .form-privacy { font-size: 0.78rem; color: var(--muted); text-align: center; margin-top: 1rem; }

  /* ─── P2 responsive ─── */
  @media (max-width: 1100px) {
    .svc-pillars { grid-template-columns: 1fr 1fr; }
    .svc-pillar:last-child { grid-column: 1 / -1; }
  }
  @media (max-width: 900px) {
    .svc-pillars { grid-template-columns: 1fr; }
    .svc-pillar:last-child { grid-column: auto; }
    .problem-grid { grid-template-columns: 1fr 1fr; }
    .lead-funnel-grid { grid-template-columns: 1fr 1fr; }
    .sec-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    .problem-grid { grid-template-columns: 1fr; }
    .lead-funnel-grid { grid-template-columns: 1fr; }
    .sec-grid { grid-template-columns: 1fr; }
    .problem-options { grid-template-columns: 1fr; }
    .problem-option-wide { grid-column: auto; }
  }

  /* ══════════════════════════════════════════
     HERO STAT BADGE (NDA)
  ══════════════════════════════════════════ */
  .hero-stat-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    line-height: 1.2;
    color: var(--petrol);
    background: var(--cta);
    border-radius: 100px;
    padding: 0.35rem 0.9rem;
  }

  /* ══════════════════════════════════════════
     TRUST BAR — form step 2
  ══════════════════════════════════════════ */
  .trust-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1.4rem;
    margin-top: 1.1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
  }
  .trust-bar-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--muted);
  }
  .trust-bar-item .icon { width: 14px; height: 14px; color: var(--accent); flex-shrink: 0; }

  /* ══════════════════════════════════════════
     CHALLENGE STRIP — inside services
  ══════════════════════════════════════════ */
  .challenge-strip { margin-top: 3.5rem; }
  .challenge-title {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-bottom: 1.25rem;
  }
  .challenge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.9rem;
  }
  .challenge-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.15rem 1.25rem 1.05rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .challenge-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
  .challenge-card-icon { width: 18px; height: 18px; color: var(--accent); }
  .challenge-name { font-size: 0.9rem; font-weight: 700; color: var(--ink); }
  .challenge-desc { font-size: 0.8rem; color: var(--body-text); line-height: 1.7; }
  .challenge-link {
    margin-top: 0.35rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s;
  }
  .challenge-link:hover { color: var(--accent-dark); }
  .challenge-link .icon { width: 14px; height: 14px; transition: transform 0.15s; }
  .challenge-link:hover .icon { transform: translateX(-3px); }

  /* ══════════════════════════════════════════
     INDUSTRY PILLS
  ══════════════════════════════════════════ */
  .industry-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
  }
  .industry-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 1.15rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--ink);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    transition: border-color 0.15s, background-color 0.15s, color 0.15s;
  }
  .industry-pill:hover {
    border-color: var(--accent);
    background: var(--accent-tint);
    color: var(--accent);
  }
  .industry-pill:active {
    border-color: var(--accent);
    background: var(--accent-tint);
    color: var(--accent-dark);
  }
  .industry-pill .icon { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }

  /* ══════════════════════════════════════════
     FAQ ACCORDION
  ══════════════════════════════════════════ */
  .faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
  }
  .faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: border-color 0.15s;
  }
  .faq-item[open] { border-color: var(--border-strong); }
  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.05rem 1.35rem;
    cursor: pointer;
    font-family: var(--font);
    font-size: 0.94rem;
    font-weight: 700;
    color: var(--ink);
    list-style: none;
    user-select: none;
  }
  .faq-q::-webkit-details-marker { display: none; }
  .faq-q::marker { content: ''; }
  .faq-icon {
    width: 18px;
    height: 18px;
    color: var(--accent);
    flex-shrink: 0;
    transition: transform 0.2s;
  }
  .faq-item[open] .faq-icon { transform: rotate(180deg); }
  .faq-a {
    padding: 0 1.35rem 1.2rem;
    font-size: 0.87rem;
    color: var(--body-text);
    line-height: 1.85;
  }

  /* ══════════════════════════════════════════
     NEW COMPONENTS — RESPONSIVE
  ══════════════════════════════════════════ */
  @media (max-width: 900px) {
    .challenge-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    .challenge-grid { grid-template-columns: 1fr; }
    .trust-bar { gap: 0.45rem 1rem; }
  }