:root {
      --bg: #eadfc9;
      --bg-elev: #ffffff;
      --bg-elev-2: #ede6d8;
      --bg-elev-3: #e2dbcd;
      --border: rgba(20, 20, 22, 0.12);
      --border-default: rgba(20, 20, 22, 0.24);
      --border-strong: #141416;
      --text: #141416;
      --text-body: #373737;
      --text-muted: #6b707b;
      --text-faint: #8e939e;
      --accent: #0b45e0;
      --accent-soft: rgba(11, 69, 224, 0.1);
      --accent-deep: #041b5c;
      --accent-2: #ff441f;
      --accent-2-soft: rgba(255, 68, 31, 0.15);

      /* Illoca 4-Font Typography System */
      --font-f37: "F37 Analog", "Space Grotesk", sans-serif;
      --font-graphik: "Graphik Web", "DM Sans", system-ui, sans-serif;
      --font-geist: "Geist Mono", monospace;
      --font-architect: "Architect Pro", "Caveat", cursive;

      --font-display: var(--font-f37);
      --font-sans: var(--font-graphik);
      --font-mono: var(--font-geist);
      --font-hand: var(--font-architect);
      --container: 1340px;
    }

    /* Illoca Typography Utility Classes */
    .font-f37 { font-family: var(--font-f37); }
    .font-graphik { font-family: var(--font-graphik); }
    .font-geist { font-family: var(--font-geist); }
    .font-architect { font-family: var(--font-architect); }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background-color: var(--bg);
      background-attachment: fixed;
      background-image:
        linear-gradient(90deg, #d3c9b5 1px, transparent 0),
        linear-gradient(#e3d9c3 1px, transparent 0);
      background-size: 1rem 1rem;
      background-position: 0 0;
      color: var(--text-body);
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; }
    button { font-family: inherit; }

    /* Base Headings (Illoca F37 Analog / Space Grotesk) */
    h1, h2, h3, h4, h5, h6 {
      font-family: var(--font-f37);
      color: var(--text);
      font-weight: 600;
      letter-spacing: -0.025em;
      line-height: 0.98;
    }

    /* HUD */
    .hud-coords {
      position: fixed;
      top: 22px;
      left: 24px;
      z-index: 55;
      font-family: var(--font-mono);
      font-size: 11px;
      line-height: 1.35;
      font-weight: 600;
      color: var(--text-muted);
      letter-spacing: 0.1em;
      pointer-events: none;
      user-select: none;
    }
    .hud-contact {
      position: fixed;
      top: 24px;
      right: 28px;
      z-index: 55;
      font-family: var(--font-mono);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.18em;
      color: var(--text);
      text-transform: uppercase;
      transition: color 0.2s ease;
    }
    .hud-contact:hover { color: var(--accent); }

    /* NAV */
    .nav {
      position: fixed;
      top: 16px;
      left: 0;
      right: 0;
      z-index: 50;
      display: flex;
      justify-content: center;
      padding-inline: 16px;
      pointer-events: none;
    }
    .nav-pill {
      pointer-events: auto;
      width: 100%;
      max-width: 980px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 8px 10px 8px 20px;
      border-radius: 4px;
      border: 1px solid var(--border-strong);
      background: var(--bg-elev);
      box-shadow: 0 6px 24px rgba(0,0,0,0.06);
    }
    .logo-lockup {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text);
    }
    .logo-mark { width: 28px; height: 28px; flex-shrink: 0; }
    .logo-text {
      font-weight: 900;
      font-size: 1.3rem;
      letter-spacing: -0.04em;
    }
    .nav-tagline {
      font-family: var(--font-mono);
      font-size: 10px;
      color: var(--text-muted);
      border-left: 1px solid var(--border-default);
      padding-left: 8px;
      margin-left: -2px;
      text-transform: uppercase;
      letter-spacing: 0.12em;
    }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-link {
      font-size: 13.5px;
      font-weight: 600;
      color: var(--text-body);
      padding: 8px 14px;
      border-radius: 4px;
      transition: all 0.2s ease;
    }
    .nav-link:hover { color: var(--accent); background: var(--accent-soft); }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: var(--accent);
      color: #fff;
      font-weight: 600;
      font-size: 13.5px;
      padding: 6px 16px 6px 7px;
      border-radius: 3px;
      border: 1px solid var(--accent);
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .nav-cta:hover { background: #0838b8; transform: translateY(-1px); box-shadow: 0 4px 14px var(--accent-soft); }
    .nav-badge-icon {
      width: 24px;
      height: 24px;
      background: var(--accent-2);
      color: #fff;
      border-radius: 2px;
      display: grid;
      place-items: center;
    }
    .nav-badge-icon svg { width: 12px; height: 12px; }

    /* WRAPPER */
    .wrap {
      width: 100%;
      max-width: var(--container);
      margin-inline: auto;
      padding-inline: 24px;
    }

    /* HERO */
    .hero {
      position: relative;
      min-height: auto;
      display: flex;
      flex-direction: column;
      padding-top: clamp(140px, 16vh, 180px);
      padding-bottom: clamp(36px, 5vh, 52px);
      box-sizing: border-box;
    }
    .hero-wrap {
      max-width: 1360px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
      box-sizing: border-box;
    }
    .hero-head {
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      margin-bottom: clamp(24px, 3.5vh, 36px);
      width: 100%;
      max-width: 1280px;
      margin-inline: auto;
      will-change: transform, opacity;
    }
    .hero-title-wrap {
      position: relative;
      display: inline-block;
      text-align: center;
      max-width: 100%;
    }
    .hero-sketch-tag {
      position: absolute;
      left: clamp(-48px, -4vw, -20px);
      top: clamp(-38px, -3.5vw, -30px);
      display: inline-flex;
      flex-direction: column;
      align-items: flex-start;
      transform: rotate(-6deg);
      transform-origin: bottom left;
      z-index: 2;
      color: #FA824C;
      pointer-events: none;
    }
    .sketch-text {
      font-family: var(--font-hand);
      font-size: clamp(18px, 1.8vw, 25px);
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: #FA824C;
      white-space: nowrap;
    }
    .sketch-underline {
      width: clamp(100px, 10vw, 136px);
      height: 12px;
      margin-top: -4px;
      color: #FA824C;
    }
    .hero-title {
      font-family: var(--font-f37);
      font-weight: 750;
      font-size: clamp(3.6rem, 9.4vw, 9rem);
      letter-spacing: -0.045em;
      line-height: 0.92;
      color: #141416;
      max-width: 100%;
      text-align: center;
      margin: 0;
    }
    .hero-line {
      display: block;
      white-space: nowrap;
    }
    .hero-sketch-note {
      position: absolute;
      right: clamp(-180px, -13vw, -120px);
      top: 55%;
      transform: translateY(-50%) rotate(-3deg);
      display: flex;
      align-items: center;
      gap: 8px;
      color: #FA824C;
      font-family: var(--font-hand);
      z-index: 2;
      white-space: nowrap;
      pointer-events: none;
    }
    .sketch-arrow {
      width: 28px;
      height: 18px;
      stroke: #FA824C;
      flex-shrink: 0;
    }
    .sketch-note-text {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      font-size: clamp(14px, 1.3vw, 18px);
      font-weight: 700;
      line-height: 1;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #FA824C;
    }
    .sketch-note-rule {
      display: none;
    }

    /* HERO FRAME */
    .hero-frame {
      position: relative;
      width: 100%;
      border: 1px solid var(--border-strong);
      border-radius: 4px;
      background: #081b4e;
      overflow: hidden;
      box-shadow: 0 12px 40px -10px rgba(0,0,0,0.08);
      margin-top: 16px;
      will-change: transform, border-radius;
      transform-origin: center center;
      flex: 1;
      min-height: clamp(320px, 44vh, 560px);
      max-height: clamp(360px, 52vh, 600px);
    }
    .hero-svg-wrap {
      width: 100%;
      height: 100%;
      min-height: inherit;
      max-height: inherit;
      background: #081b4e;
      overflow: hidden;
    }
    .hero-svg-wrap img { width: 100%; height: 100%; object-fit: cover; object-position: center 35%; display: block; will-change: transform; }

    /* MOBILE MENU BUTTON (Visible <= 860px) */
    .nav-mobile-btn {
      display: none;
      align-items: center;
      gap: 8px;
      background: #0B45E0;
      color: #ffffff;
      padding: 6px 14px;
      border-radius: 4px;
      border: none;
      font-family: var(--font-sans);
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      height: 36px;
      transition: background 0.2s ease, transform 0.15s ease;
    }
    .nav-mobile-btn:active {
      transform: scale(0.96);
    }
    .nav-mobile-icon {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 4px;
      width: 14px;
      height: 12px;
    }
    .nav-mobile-icon span {
      display: block;
      width: 100%;
      height: 2px;
      background: #ffffff;
      border-radius: 1px;
    }

    /* MOBILE FULLSCREEN MENU OVERLAY */
    .mobile-menu-overlay {
      position: fixed;
      inset: 0;
      z-index: 9999;
      background: rgba(234, 223, 201, 0.98);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s;
      overflow-y: auto;
      display: flex;
      flex-direction: column;
    }
    .mobile-menu-overlay.is-open {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
    }
    .mobile-menu-inner {
      padding: 20px 20px 32px;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
      box-sizing: border-box;
      max-width: 540px;
      margin: 0 auto;
      width: 100%;
    }
    .mobile-menu-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-bottom: 20px;
      border-bottom: 1px solid rgba(20, 20, 22, 0.12);
    }
    .mobile-menu-close {
      background: #ffffff;
      border: 1px solid rgba(20, 20, 22, 0.2);
      border-radius: 4px;
      padding: 6px 14px;
      font-family: var(--font-sans);
      font-size: 13px;
      font-weight: 600;
      color: #141416;
      cursor: pointer;
    }
    .mobile-menu-links {
      display: flex;
      flex-direction: column;
      padding-top: 24px;
      flex: 1;
      gap: 10px;
    }
    .mobile-menu-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 16px;
      background: rgba(255, 255, 255, 0.7);
      border: 1px solid rgba(20, 20, 22, 0.08);
      border-radius: 6px;
      text-decoration: none;
      color: #141416;
      font-family: var(--font-sans);
      font-size: 16px;
      font-weight: 600;
      transition: transform 0.2s ease, background 0.2s ease;
    }
    .mobile-menu-item:active {
      transform: scale(0.98);
      background: #ffffff;
    }
    .menu-idx {
      font-family: var(--font-mono);
      font-size: 12px;
      color: #0B45E0;
      font-weight: 700;
    }
    .menu-label {
      flex: 1;
      margin-left: 14px;
    }
    .menu-arrow {
      color: #737373;
      font-size: 16px;
    }
    .mobile-menu-footer {
      padding-top: 24px;
      border-top: 1px solid rgba(20, 20, 22, 0.12);
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .mobile-menu-email {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .mobile-menu-cta {
      display: block;
      text-align: center;
      background: #0B45E0;
      color: #ffffff;
      padding: 12px;
      border-radius: 4px;
      font-family: var(--font-sans);
      font-size: 15px;
      font-weight: 600;
      text-decoration: none;
    }

    /* FLOATING BANNER */
    .hero-banner {
      position: absolute;
      right: 14px;
      bottom: 14px;
      z-index: 10;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      font-weight: 600;
      color: #ffffff;
      background: rgba(11, 69, 224, 0.95);
      padding: 6px 10px 6px 14px;
      border-radius: 3px;
      box-shadow: 0 4px 16px var(--accent-soft);
      cursor: pointer;
    }
    .banner-badge {
      width: 18px;
      height: 18px;
      background: var(--accent-2);
      color: #fff;
      border-radius: 2px;
      display: grid;
      place-items: center;
    }

    /* MARQUEE */
    .marquee {
      overflow: hidden;
      border-block: 1px solid var(--border-strong);
      padding-block: 16px;
      background: var(--bg-elev);
      margin-bottom: 64px;
    }
    .marquee-track {
      display: flex;
      width: max-content;
      animation: marqueeLoop 24s linear infinite;
    }
    .marquee-seq {
      display: flex;
      align-items: center;
      gap: 36px;
      padding-right: 36px;
      font-weight: 800;
      font-size: 1.6rem;
      letter-spacing: -0.02em;
      text-transform: uppercase;
    }
    .marquee-spark { color: var(--accent-2); }
    @keyframes marqueeLoop { to { transform: translateX(-50%); } }

    /* SECTIONS */
    .section {
      padding-block: clamp(4.5rem, 8vw, 7rem);
      border-top: 1px solid var(--border-default);
      position: relative;
    }
    .eyebrow {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 0.16em;
      text-transform: uppercase;
      margin-bottom: 14px;
      margin-inline: auto;
      width: fit-content;
      text-align: center;
    }
    .eyebrow-line { width: 28px; height: 1.5px; background: var(--accent); flex-shrink: 0; }
    .section-title {
      font-family: var(--font-f37), "Space Grotesk", sans-serif;
      font-weight: 750;
      font-size: clamp(2.6rem, 5.2vw, 4.2rem);
      letter-spacing: -0.04em;
      line-height: 0.98;
      color: var(--text);
      max-width: 28ch;
      margin-bottom: 36px;
      text-align: center;
      margin-inline: auto;
    }
    .section-title .accent,
    .section-title .accent-blue,
    .accent-blue {
      font-style: normal !important;
      font-weight: 500;
      color: var(--accent) !important;
    }

    /* BUTTONS */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      font-size: 14px;
      padding: 12px 22px;
      border-radius: 3px;
      cursor: pointer;
      border: 1px solid var(--border-strong);
      transition: all 0.2s ease;
    }
    .btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
    .btn-primary:hover { background: #0838b8; transform: translateY(-1px); box-shadow: 0 6px 20px var(--accent-soft); }
    .btn-secondary { background: var(--bg-elev); color: var(--text); }
    .btn-secondary:hover { background: var(--bg-elev-2); }

    /* WORK SECTION */
    .work-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .wcard {
      background: var(--bg-elev);
      border: 1px solid var(--border-strong);
      border-radius: 4px;
      overflow: hidden;
      box-shadow: 0 4px 16px rgba(0,0,0,0.04);
      display: flex;
      flex-direction: column;
      transition: transform 0.2s ease, border-color 0.2s ease;
    }
    .wcard:hover { transform: translateY(-3px); border-color: var(--accent); }
    .wcard-media {
      position: relative;
      height: 200px;
      background: #ccdffe;
      border-bottom: 1px solid var(--border-strong);
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }
    .wcard-media svg { width: 100%; height: 100%; }
    .wcard-tag {
      position: absolute;
      top: 10px;
      left: 10px;
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 700;
      background: #fff;
      border: 1px solid var(--border-strong);
      padding: 3px 7px;
      border-radius: 2px;
    }
    .wcard-metric {
      position: absolute;
      bottom: 10px;
      left: 10px;
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 700;
      background: var(--accent);
      color: #fff;
      padding: 3px 8px;
      border-radius: 2px;
    }
    .wcard-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
    .wcard-name { font-weight: 800; font-size: 1.25rem; }
    .wcard-desc { font-size: 13.5px; color: var(--text-muted); line-height: 1.5; flex: 1; }
    .wcard-meta { display: flex; justify-content: space-between; align-items: center; padding-top: 10px; border-top: 1px solid var(--border); font-size: 11px; color: var(--text-muted); }

    /* SERVICES SECTION */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      grid-auto-rows: 1fr;
      gap: 20px;
      align-items: stretch;
    }
    .b-card {
      background: var(--bg-elev);
      border: 1px solid var(--border-strong);
      border-radius: 4px;
      padding: 28px 24px;
      box-shadow: 0 4px 16px rgba(0,0,0,0.04);
      transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
      min-height: 290px;
      box-sizing: border-box;
    }
    .b-card:hover {
      transform: translateY(-3px);
      border-color: var(--accent);
      box-shadow: 0 10px 28px var(--accent-soft);
    }
    .b-card-top { display: flex; justify-content: space-between; align-items: center; min-height: 24px; }
    .b-card-index { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--accent); background: var(--accent-soft); padding: 3px 8px; border-radius: 2px; }
    .b-card-tag { font-size: 9px; font-weight: 700; color: #fff; background: var(--accent-2); padding: 3px 8px; border-radius: 2px; text-transform: uppercase; }
    .b-card h3 { font-weight: 800; font-size: 1.3rem; color: var(--text); margin-top: 4px; }
    .b-card p { font-size: 14px; color: var(--text-body); line-height: 1.55; flex: 1 1 auto; margin: 6px 0 12px; }
    .b-card-chips { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding: 0; }
    .b-card-chips li { font-size: 11px; background: var(--bg-elev-2); border: 1px solid var(--border-default); padding: 3px 8px; border-radius: 2px; color: var(--text-muted); }

    /* CONNECTED SYSTEM */
    .system-layout {
      display: grid;
      grid-template-columns: 0.75fr 1.25fr;
      gap: 40px;
      align-items: center;
    }
    .system-stage {
      position: relative;
      width: 100%;
      border: 1px solid var(--border-strong);
      border-radius: 4px;
      background: #081b4e;
      overflow: hidden;
      box-shadow: 0 12px 36px rgba(0,0,0,0.08);
      aspect-ratio: 1024 / 418;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .system-illustration-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
      display: block;
      transition: transform 0.4s ease;
    }
    .system-stage:hover .system-illustration-img {
      transform: scale(1.02);
    }

    /* PROCESS - ULTRA-SMOOTH STICKY CARD DECK ANIMATION */
    .process-steps {
      display: flex;
      flex-direction: column;
      gap: clamp(48px, 8vh, 80px);
      position: relative;
    }
    .process-step {
      position: sticky;
      top: clamp(80px, 10vh, 104px);
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      gap: clamp(24px, 4vw, 56px);
      background: #ffffff !important;
      border: 1px solid var(--border-strong);
      border-radius: 4px;
      padding: clamp(24px, 3.5vw, 44px);
      box-shadow: 0 20px 48px -12px rgba(20, 20, 22, 0.16);
      transform-origin: center top;
      transform: translate3d(0, 0, 0);
      backface-visibility: hidden;
      will-change: transform, opacity;
      transition: border-color 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      min-height: 480px;
    }
    .process-step:nth-child(1) { z-index: 10; }
    .process-step:nth-child(2) { z-index: 20; }
    .process-step:nth-child(3) { z-index: 30; }
    .process-step:nth-child(4) { z-index: 40; }
    .process-step:hover {
      border-color: var(--accent);
    }
    .process-step.is-reverse .process-media {
      order: 2;
    }
    .process-media {
      position: relative;
      aspect-ratio: 16 / 10;
      border-radius: 3px;
      border: 1px solid var(--border-strong);
      overflow: hidden;
      background: #ccdffe;
      display: flex;
      align-items: center;
      justify-content: center;
      transform: translate3d(0, 0, 0);
    }
    .process-media svg { width: 100%; height: 100%; }
    .process-media-num {
      position: absolute;
      top: 14px;
      right: 14px;
      z-index: 2;
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      font-weight: 800;
      font-size: 13px;
      color: #ffffff;
      background: var(--accent);
      border-radius: 2px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }
    .process-body {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .process-index {
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }
    .process-title {
      font-size: clamp(1.6rem, 2.5vw, 2.2rem);
      font-weight: 800;
      letter-spacing: -0.03em;
      color: var(--text);
    }
    .process-desc {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.6;
      max-width: 44ch;
    }
    .process-bullets {
      list-style: none;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }
    .process-bullets li {
      font-size: 11.5px;
      font-weight: 600;
      color: var(--text-muted);
      border: 1px solid var(--border-default);
      background: var(--bg-elev-2);
      padding: 4px 12px;
      border-radius: 2px;
    }

    /* STUDIO & STATS */
    .inside-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .stats-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      margin-top: 24px;
    }
    .stat-box {
      border: 1px solid var(--border-strong);
      background: var(--bg-elev);
      border-radius: 3px;
      padding: 14px;
      text-align: center;
    }
    .stat-val { font-size: 1.6rem; font-weight: 800; color: var(--accent); }
    .stat-lbl { font-size: 9.5px; font-weight: 700; text-transform: uppercase; color: var(--text-muted); }

    /* USE CASES */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .case-card {
      border: 1px solid var(--border-strong);
      background: var(--bg-elev);
      border-radius: 4px;
      padding: 28px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .case-top { display: flex; justify-content: space-between; align-items: center; }
    .case-sig { font-family: var(--font-mono); font-size: 10px; font-weight: 700; color: var(--accent); }

    /* FREE WEBSITE */
    .free-box {
      border: 1px solid var(--border-strong);
      background: var(--bg-elev);
      border-radius: 4px;
      padding: clamp(32px, 5vw, 56px);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    /* CONTACT FORM */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 56px;
    }
    .form-box {
      border: 1px solid var(--border-strong);
      background: var(--bg-elev);
      border-radius: 4px;
      padding: 28px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .form-input {
      width: 100%;
      padding: 10px 12px;
      border: 1px solid var(--border-strong);
      border-radius: 3px;
      font-family: inherit;
      font-size: 14px;
      background: var(--bg);
    }

    /* FAQ ACCORDION */
    .faq-item {
      border-bottom: 1px solid var(--border-default);
      padding-block: 16px;
    }
    .faq-q { font-weight: 700; font-size: 1.15rem; cursor: pointer; display: flex; justify-content: space-between; }
    .faq-a { font-size: 14.5px; color: var(--text-body); margin-top: 8px; line-height: 1.6; }

    /* BIG CTA */
    .bigcta-wrap {
      padding-block: clamp(4rem, 8vh, 7rem);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .bigcta-text { font-weight: 900; font-size: clamp(2.4rem, 7vw, 5.5rem); letter-spacing: -0.04em; }

     /* ============================================================
       ILLOCA EXACT REPLICATION: OPEN LETTER, PRICING, FAQS, FOOTER
       ============================================================ */

     /* 1. OPEN LETTER SECTION — Deep Cobalt with 4 Corner 3D Cubes, Pinned */
     .open-letter-scene {
       background: #1C2B4E;
       color: #EADFC9;
       min-height: 100vh;
       position: relative;
       overflow: hidden;
       display: flex;
       flex-direction: column;
       align-items: center;
       justify-content: center;
       padding: clamp(96px, 13vh, 130px) 24px clamp(44px, 6vh, 68px);
       will-change: transform;
     }

     .open-letter-head {
       text-align: center;
       position: relative;
       z-index: 10;
       margin-bottom: clamp(28px, 4vh, 38px);
       will-change: transform, opacity;
     }

     .open-letter-eyebrow {
       font-family: var(--font-mono);
       font-size: clamp(11px, 1.2vw, 14px);
       color: rgba(226, 221, 213, 0.7);
       letter-spacing: 0.15em;
       margin-bottom: 12px;
       text-transform: uppercase;
     }

      .open-letter-title {
        font-family: var(--font-f37), "Space Grotesk", sans-serif;
        font-size: clamp(2.8rem, 6.5vw, 5.5rem);
        font-weight: 750;
        letter-spacing: -0.04em;
        color: transparent;
        -webkit-text-stroke: 1.8px rgba(226, 221, 213, 0.6);
        position: relative;
        display: inline-block;
        line-height: 0.95;
      }

      .open-letter-title-fill {
        position: absolute;
        inset: 0;
        color: #EADFC9;
        -webkit-text-stroke: 0;
        line-height: 0.95;
        clip-path: polygon(0 100%, 100% 100%, 100% 100%, 0 100%);
      }

      /* 4 Floating 3D Architectural Cubes — positioned at corners */
      .corner-cube {
        position: absolute;
        width: clamp(160px, 18vw, 280px);
        height: auto;
        pointer-events: none;
        z-index: 2;
        filter: drop-shadow(0 14px 28px rgba(0,0,0,0.35));
        will-change: transform;
        transform: translate3d(0, 0, 0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
      }
      .cube-tl { top: 0; left: 0; }
      .cube-tr { top: 0; right: 0; }
      .cube-bl { bottom: 0; left: 0; }
      .cube-br { bottom: 0; right: 0; }

      /* Pinned Envelope Container */
      .envelope-stage {
        position: relative;
        width: min(480px, 70vw);
        aspect-ratio: 760 / 440;
        height: auto;
        max-height: 285px;
        margin-top: clamp(20px, 3vh, 32px);
        perspective: 1400px;
        z-index: 5;
      }

      .envelope-back {
        position: absolute;
        inset: 0;
        background: #DFD0B3;
        border-radius: 6px;
        box-shadow: 0 24px 60px rgba(0,0,0,0.35);
        border: 1px solid rgba(66,66,66,0.3);
        z-index: 1;
      }

      .envelope-cavity-shadow {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.04) 40%, transparent 100%);
        border-radius: 6px;
        pointer-events: none;
      }

      /* 3D Opening Top Flap — Height 50% perfectly matches center Y=220 */
      .envelope-top-flap {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 50%;
        transform-origin: top center;
        transform-style: preserve-3d;
        z-index: 6;
        will-change: transform;
        transform: translate3d(0, 0, 0);
      }

      .flap-face {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        pointer-events: none;
      }

      .flap-front {
        transform: rotateY(0deg);
      }

      .flap-back {
        transform: rotateY(180deg);
      }

      .flap-face svg {
        width: 100%;
        height: 100%;
        display: block;
        filter: drop-shadow(0 4px 10px rgba(0,0,0,0.15));
      }

      /* The Paper Sheet sits inside and rises UP — Strictly clipped at bottom/sides so it NEVER shows below envelope */
      .envelope-paper-track {
        position: absolute;
        top: 0;
        left: 4%;
        width: 92%;
        bottom: 0;
        z-index: 3;
        clip-path: inset(-1400px 0px 0px 0px);
        overflow: visible;
      }

      .paper-letter-card {
        background: #FAF6EE;
        border: 1px solid rgba(66,66,66,0.22);
        border-radius: 4px;
        box-shadow: 0 16px 40px rgba(0,0,0,0.18);
        padding: clamp(20px, 2.5vw, 28px) clamp(22px, 3vw, 32px);
        width: 100%;
        min-height: 260px;
        box-sizing: border-box;
        color: #212121;
        will-change: transform;
        transform: translate3d(0, 0, 0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        position: relative;
      }

      .paper-letter-card h4 {
        font-size: clamp(1.05rem, 1.35vw, 1.25rem);
        font-weight: 800;
        margin-bottom: 10px;
        color: #141416;
        line-height: 1.25;
      }

      .paper-letter-card p {
        font-size: clamp(13px, 1.05vw, 15px);
        line-height: 1.55;
        color: #373737;
        margin-bottom: 0;
      }

      /* Envelope Front Pocket — Full stage coverage with upper V-crease meeting at center (380, 220) */
      .envelope-front-pocket {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        z-index: 5;
        pointer-events: none;
      }

      .envelope-front-svg {
        width: 100%;
        height: 100%;
        display: block;
      }

     /* 2. PRICING SECTION — Warm Kraft Paper #DFD0B3 with Real Texture */
     .kraft-pricing-section {
       background-color: #DFD0B3;
       background-image: url('../images/pricing.jpg');
       background-repeat: repeat;
       background-size: cover;
       padding: clamp(80px, 10vh, 140px) 0 clamp(60px, 8vh, 100px);
       position: relative;
       color: #212121;
     }

     .folder-tab-badge {
       position: absolute;
       top: -36px;
       left: 48px;
       background: #DFD0B3;
       border: 1px solid rgba(66,66,66,0.25);
       border-bottom: none;
       padding: 8px 24px;
       border-radius: 6px 6px 0 0;
       font-family: var(--font-mono);
       font-weight: 700;
       font-size: 13px;
       letter-spacing: 0.08em;
       color: #141416;
     }

     .pricing-hero-text {
       text-align: center;
       font-family: var(--font-f37), "Space Grotesk", sans-serif;
       font-size: clamp(2rem, 3.8vw, 3.2rem);
       font-weight: 500;
       letter-spacing: -0.04em;
       line-height: 1.05;
       margin-bottom: clamp(36px, 5vh, 60px);
       color: #212121;
     }

     .pricing-hero-text .accent-blue {
       color: #0B45E0 !important;
     }

      .emph-red {
        text-decoration: underline dotted #e76051 2px;
        text-underline-offset: 6px;
      }

     .pricing-cards-deck {
       display: grid;
       grid-template-columns: 1fr 1.08fr 1fr;
       gap: clamp(16px, 2.5vw, 28px);
       align-items: start;
       max-width: 1180px;
       margin: 0 auto;
     }

     .kcard {
       border-radius: 4px;
       padding: clamp(28px, 3vw, 44px);
       display: flex;
       flex-direction: column;
       justify-content: space-between;
       gap: 20px;
       box-shadow: 4px 4px 0 rgba(0,0,0,0.08);
       transition: transform 0.25s ease, box-shadow 0.25s ease;
     }

     .kcard:hover {
       transform: translateY(-4px);
       box-shadow: 6px 8px 0 rgba(0,0,0,0.12);
     }

     .kcard--white {
       background: #FAF6EE;
       border: 1px solid rgba(66,66,66,0.18);
       color: #212121;
     }

     .kcard--red {
       background: #C84034;
       border: 1px solid #b53529;
       color: #ffffff;
       padding-top: clamp(40px, 5vw, 64px);
       padding-bottom: clamp(40px, 5vw, 64px);
       box-shadow: 6px 6px 0 rgba(0,0,0,0.15);
       transform: scale(1.02) translateY(-8px);
       z-index: 2;
     }

     .kcard--red:hover {
       transform: scale(1.02) translateY(-12px);
     }

     .kcard--blue {
       background: #2845A0;
       border: 1px solid #1e3680;
       color: #ffffff;
     }

     .kcard-title {
       font-size: clamp(1.5rem, 2.2vw, 2rem);
       font-weight: 800;
       margin-bottom: 4px;
     }

     .kcard-price {
       font-size: 14px;
       font-family: var(--font-mono);
       opacity: 0.75;
       margin-bottom: 24px;
     }

     .kcard-list {
       list-style: none;
       display: flex;
       flex-direction: column;
       gap: 12px;
       margin-bottom: 28px;
     }

     .kcard-list li {
       font-size: 13.5px;
       line-height: 1.45;
       border-bottom: 1px dashed rgba(66,66,66,0.2);
       padding-bottom: 8px;
       display: flex;
       align-items: flex-start;
       gap: 8px;
     }

     .kcard--red .kcard-list li,
     .kcard--blue .kcard-list li {
       border-bottom-color: rgba(255,255,255,0.2);
     }

     .kcard-btn {
       display: inline-flex;
       align-items: center;
       gap: 12px;
       background: #ffffff;
       color: #212121;
       padding: 6px 18px 6px 6px;
       border-radius: 4px;
       font-weight: 700;
       font-size: 14px;
       text-decoration: none;
       width: fit-content;
       box-shadow: 2px 2px 0 rgba(0,0,0,0.08);
       transition: transform 0.15s ease;
     }

     .kcard-btn:hover {
       transform: translateX(3px);
     }

     .kcard-btn-square {
       width: 36px;
       height: 36px;
       background: #C84034;
       color: #ffffff;
       border-radius: 2px;
       display: grid;
       place-items: center;
       font-size: 14px;
       font-weight: 800;
     }

     .kcard-btn-square--blue {
       background: #2845A0;
     }

     .pricing-footnote {
       text-align: center;
       font-family: var(--font-mono);
       font-size: 13px;
       color: rgba(33,33,33,0.55);
       margin-top: clamp(28px, 4vh, 48px);
       letter-spacing: 0.03em;
     }

     /* 3. FAQS SECTION — Kraft paper with NEED HELP? label and Real Texture */
     .kraft-faqs-section {
       background-color: #D8C9AB;
       background-image: url('../images/faqs.jpg');
       background-repeat: repeat;
       background-size: cover;
       padding: clamp(80px, 10vh, 140px) 0 clamp(80px, 10vh, 140px);
       position: relative;
     }

     .faqs-layout {
       display: grid;
       grid-template-columns: 0.8fr 1.2fr;
       gap: clamp(40px, 6vw, 80px);
       align-items: start;
     }

     .need-help-label {
       font-family: var(--font-mono);
       font-size: 12px;
       font-weight: 700;
       letter-spacing: 0.1em;
       text-transform: uppercase;
       color: #212121;
       text-decoration: underline;
       text-underline-offset: 4px;
       margin-bottom: 16px;
     }

     .faqs-left h2 {
       font-family: var(--font-f37), "Space Grotesk", sans-serif;
       font-size: clamp(2.4rem, 5.5vw, 4.2rem);
       font-weight: 500;
       letter-spacing: -0.04em;
       line-height: 0.96;
       margin-bottom: 28px;
       color: #212121;
     }

     .faqs-left h2 .accent-blue {
       color: #0B45E0 !important;
     }

     .faq-accordion-item {
       border-bottom: 1px dashed rgba(66,66,66,0.3);
       padding: 20px 0;
     }

     .faq-accordion-item:first-child {
       border-top: 1px dashed rgba(66,66,66,0.3);
     }

     .faq-accordion-btn {
       width: 100%;
       background: none;
       border: none;
       display: flex;
       justify-content: space-between;
       align-items: center;
       text-align: left;
       font-size: clamp(15px, 1.35vw, 18px);
       font-weight: 700;
       color: #212121;
       cursor: pointer;
       gap: 16px;
       line-height: 1.35;
     }

     .faq-toggle-box {
       width: 28px;
       height: 28px;
       background: #3350C4;
       border: none;
       border-radius: 3px;
       display: grid;
       place-items: center;
       flex-shrink: 0;
       transition: transform 0.3s ease;
       color: #ffffff;
       font-size: 12px;
     }

     .faq-accordion-body {
       font-size: 15px;
       line-height: 1.65;
       color: #414141;
       margin-top: 12px;
       overflow: hidden;
       transition: max-height 0.35s ease, opacity 0.25s ease;
     }

     /* 4. ARCHITECTURAL FOOTER — Blueprint Cobalt #081B4E */
     .illoca-blueprint-footer {
       background: #081B4E;
       color: #FAF6EE;
       position: relative;
       overflow: hidden;
       border-top: 1px solid rgba(255, 255, 255, 0.12);
     }

     .footer-grid-bg {
       position: absolute;
       inset: 0;
       background-image:
         linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
         linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
       background-size: 24px 24px;
       pointer-events: none;
     }

     .footer-card-section {
       background: transparent;
       padding: clamp(64px, 8vw, 108px) 0 clamp(40px, 6vw, 64px);
       position: relative;
     }

     .footer-watermark {
       position: absolute;
       top: 50%;
       left: 50%;
       transform: translate(-50%, -50%);
       font-size: clamp(6rem, 18vw, 16rem);
       font-weight: 900;
       color: rgba(255,255,255,0.035);
       letter-spacing: 0.05em;
       pointer-events: none;
       white-space: nowrap;
       text-transform: uppercase;
     }

     .footer-card-box {
       background: rgba(11, 33, 94, 0.78);
       backdrop-filter: blur(16px);
       -webkit-backdrop-filter: blur(16px);
       border: 1px solid rgba(255,255,255,0.16);
       border-radius: 8px;
       padding: clamp(36px, 5vw, 64px);
       box-shadow: 0 20px 60px rgba(4, 14, 42, 0.45);
       position: relative;
       z-index: 2;
     }

     .footer-flex-row {
       display: grid;
       grid-template-columns: 1.4fr 1fr;
       gap: 48px;
       margin-bottom: 40px;
     }

     .footer-big-slogan {
       font-family: var(--font-f37), "Space Grotesk", sans-serif;
       font-size: clamp(1.8rem, 3.5vw, 3rem);
       font-weight: 500;
       letter-spacing: -0.04em;
       line-height: 1.1;
       color: #ffffff;
     }

     .footer-big-slogan .accent-blue {
       color: #5B8FFF !important;
     }

     .footer-links-cols {
       display: grid;
       grid-template-columns: 1fr 1fr;
       gap: 24px;
     }

     .fcol-title {
       font-size: 11px;
       font-family: var(--font-mono);
       color: #EC633D;
       letter-spacing: 0.1em;
       text-transform: uppercase;
       margin-bottom: 12px;
     }

     .fcol-links a {
       display: block;
       color: rgba(250, 246, 238, 0.85);
       font-size: 14px;
       margin-bottom: 8px;
       text-decoration: none;
       transition: color 0.15s ease;
     }

     .fcol-links a:hover {
       color: #EC633D;
     }

     .footer-legal-bar {
       border-top: 1px solid rgba(255,255,255,0.12);
       padding-top: 24px;
       display: flex;
       justify-content: space-between;
       font-size: 12px;
       color: rgba(255,255,255,0.5);
     }

      @media (max-width: 960px) {
        .pricing-cards-deck, .faqs-layout, .footer-flex-row { grid-template-columns: 1fr; }
        .kcard--red { transform: none; }
        .corner-cube { display: none; }
        .pricing-tri-grid, .blueprint-footer-grid { grid-template-columns: 1fr; }
        .work-grid, .services-grid, .process-grid, .system-layout, .inside-grid, .cases-grid, .stats-row, .free-box, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
        .hud-coords, .hud-contact { display: none; }
      }

      @media (max-width: 860px) {
        .nav-links, .nav-cta {
          display: none !important;
        }
        .nav-mobile-btn {
          display: inline-flex !important;
        }
      }

      @media (max-width: 768px) {
        .hero {
          min-height: auto !important;
          padding-top: clamp(100px, 13vh, 120px);
          padding-bottom: clamp(24px, 3.5vh, 36px);
          overflow: visible;
        }
        .hero-wrap {
          padding-inline: 16px;
        }
        .hero-head {
          margin-bottom: clamp(20px, 3vh, 28px);
        }
        .hero-title-wrap {
          max-width: 100%;
        }
        .hero-title {
          font-family: var(--font-f37);
          font-weight: 800;
          font-size: clamp(2.45rem, 9.6vw, 3.8rem);
          line-height: 0.94;
          letter-spacing: -0.04em;
          color: #141416;
          text-align: center;
          margin: 0;
        }
        .hero-title > .hero-line {
          display: block;
          white-space: nowrap;
        }
        .hero-title .accent-blue {
          display: inline !important;
        }
        .hero-sketch-tag {
          left: -20px;
          top: -28px;
          transform: rotate(-6deg);
        }
        .sketch-text {
          font-size: 13.5px;
          letter-spacing: 0.1em;
        }
        .hero-sketch-note {
          display: flex !important;
          position: absolute;
          right: 0;
          top: auto;
          bottom: -32px;
          transform: rotate(-2deg);
          gap: 6px;
        }
        .sketch-arrow {
          width: 22px;
          height: 14px;
        }
        .sketch-note-text {
          font-size: 11px;
        }
        .section-title {
          font-size: clamp(2.2rem, 6.8vw, 2.9rem);
          font-weight: 750;
          line-height: 1.02;
          margin-bottom: 24px;
        }
        .hero-frame {
          margin-top: clamp(28px, 4.5vh, 42px);
          margin-bottom: clamp(36px, 5.5vh, 56px);
          min-height: 220px;
          max-height: 340px;
          aspect-ratio: 16 / 10;
          border-radius: 4px;
        }
        .hero-svg-wrap {
          min-height: 220px;
          max-height: 320px;
        }
        .hero-svg-wrap img {
          object-position: center 30%;
        }
        .hero-banner {
          display: none;
        }

        /* Mobile Services Cards — Equal Dimensions & Tactile Elevation */
        .services-grid {
          grid-template-columns: 1fr;
          gap: 18px;
          perspective: 1000px;
        }
        .b-card {
          min-height: 270px;
          height: auto;
          padding: 24px;
          display: flex;
          flex-direction: column;
          justify-content: space-between;
          background: #ffffff;
          border: 1px solid var(--border-strong);
          border-radius: 6px;
          box-shadow: 0 6px 20px rgba(20, 20, 22, 0.06);
          will-change: transform, opacity, border-color, box-shadow;
          transform-origin: center top;
          transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .mobile-card-active {
          border-color: var(--accent) !important;
          box-shadow: 0 16px 36px -8px rgba(11, 69, 224, 0.16), 0 4px 16px rgba(0, 0, 0, 0.06) !important;
        }

        /* Mobile Marquee Sizing */
        .marquee {
          padding-block: 10px;
          margin-bottom: 52px;
        }
        .marquee-seq {
          font-size: 0.95rem;
          gap: 16px;
          padding-right: 16px;
          font-weight: 700;
          letter-spacing: -0.01em;
        }
        .marquee-spark {
          font-size: 10px;
        }

        /* Mobile Process Cards - Systematic Square Card Layout & Sticky Deck */
        .process-steps {
          display: flex;
          flex-direction: column;
          gap: clamp(20px, 3vh, 32px);
          position: relative;
        }
        .process-step {
          display: flex;
          flex-direction: column;
          position: sticky;
          top: clamp(72px, 10vh, 92px);
          background: #ffffff !important;
          border: 1px solid var(--border-strong);
          border-radius: 6px;
          padding: 16px;
          box-shadow: 0 18px 48px rgba(20, 20, 22, 0.16);
          transform-origin: center top;
          transform: translate3d(0, 0, 0);
          will-change: transform, opacity;
          gap: 14px;
          margin-bottom: 0;
          min-height: 440px;
        }
        .process-step:nth-child(1) { z-index: 10; }
        .process-step:nth-child(2) { z-index: 20; }
        .process-step:nth-child(3) { z-index: 30; }
        .process-step:nth-child(4) { z-index: 40; }
        .process-step.is-reverse .process-media,
        .process-media {
          order: 1 !important;
          width: 100%;
          aspect-ratio: 16 / 11;
          border-radius: 4px;
          border: 1px solid rgba(20, 20, 22, 0.18);
          overflow: hidden;
          margin-bottom: 2px;
        }
        .process-media img {
          width: 100%;
          height: 100%;
          object-fit: cover;
          display: block;
        }
        .process-media-num {
          width: 32px;
          height: 32px;
          font-size: 12px;
          top: 10px;
          right: 10px;
        }
        .process-body {
          order: 2 !important;
          display: flex;
          flex-direction: column;
          gap: 8px;
          padding-inline: 4px;
        }
        .process-index {
          font-family: var(--font-mono);
          font-size: 11px;
          font-weight: 700;
          color: var(--accent);
          letter-spacing: 0.14em;
          text-transform: uppercase;
        }
        .process-title {
          font-size: 1.45rem;
          font-weight: 800;
          letter-spacing: -0.03em;
          color: var(--text);
          margin: 0;
        }
        .process-desc {
          font-size: 13.5px;
          color: var(--text-body);
          line-height: 1.55;
          margin: 0;
        }
        .process-bullets {
          display: flex;
          flex-wrap: wrap;
          gap: 6px;
          margin-top: 6px;
          padding: 0;
        }
        .process-bullets li {
          background: #ffffff;
          border: 1px solid var(--border-strong);
          padding: 4px 10px;
          border-radius: 3px;
          font-family: var(--font-mono);
          font-size: 11px;
          font-weight: 600;
          color: var(--text);
        }

        /* Mobile Open Letter Section & Responsive Landscape Envelope Geometry */
        .open-letter-scene {
          min-height: 100vh;
          padding: clamp(90px, 13vh, 120px) 16px clamp(40px, 6vh, 60px);
          display: flex;
          flex-direction: column;
          justify-content: center;
          align-items: center;
          gap: clamp(16px, 2.8vh, 24px);
        }
        .open-letter-head {
          margin-top: 0;
          margin-bottom: 0;
          will-change: transform, opacity;
        }
        .open-letter-eyebrow {
          font-size: 10px;
          margin-bottom: 5px;
          letter-spacing: 0.12em;
        }
        .open-letter-title {
          font-size: clamp(1.85rem, 6.8vw, 2.4rem);
          line-height: 1.0;
        }
        .open-letter-title-fill {
          line-height: 1.0;
        }
        .envelope-stage {
          width: min(84vw, 285px);
          aspect-ratio: 760 / 440;
          height: auto;
          margin-top: clamp(10px, 2vh, 18px);
          margin-bottom: 0;
          perspective: 1000px;
        }
        .paper-letter-card {
          padding: clamp(10px, 2.5vw, 13px) clamp(12px, 3vw, 16px);
          border-radius: 4px;
          box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
          min-height: 180px;
          box-sizing: border-box;
        }
        .paper-letter-card h4 {
          font-size: clamp(0.78rem, 2.5vw, 0.86rem);
          font-weight: 800;
          letter-spacing: -0.01em;
          margin-bottom: 5px;
          line-height: 1.2;
          color: #141416;
        }
        .paper-letter-card p {
          font-size: clamp(9.5px, 2.2vw, 10.5px);
          line-height: 1.42;
          color: #373737;
          margin-bottom: 0;
        }
        .corner-cube {
          width: clamp(55px, 14vw, 85px);
          opacity: 0.28;
        }

        /* Mobile Responsive Layout for "Get Your Business A Free Website" Banner */
        .free-banner-content {
          grid-template-columns: 1fr !important;
          gap: 24px !important;
          padding: clamp(28px, 6vw, 40px) 18px !important;
        }
        .free-banner-content h2 {
          font-size: clamp(1.75rem, 6.2vw, 2.3rem) !important;
          line-height: 1.1 !important;
          margin-bottom: 12px !important;
        }
        .free-banner-content p {
          font-size: 14px !important;
          line-height: 1.5 !important;
          margin-bottom: 20px !important;
        }
        .free-banner-content .btn {
          width: 100% !important;
          justify-content: center !important;
          padding: 13px 20px !important;
        }
        .free-banner-badge-card {
          padding: 20px 16px !important;
        }
      }

/* Interface refinements: preserve the architectural paper and electric blue identity. */
:root { --text-muted: #565b65; --text-faint: #626873; }
body { background-image: linear-gradient(90deg, #dcd2be 1px, transparent 0), linear-gradient(#e3d9c3 1px, transparent 0); }
[hidden] { display: none !important; }
.hero, .open-letter-scene { overflow-x: clip; }
section[id] { scroll-margin-top: 96px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.skip-link { position: fixed; top: 8px; left: 16px; transform: translateY(-180%); z-index: 200; padding: 10px 16px; background: #fff; color: var(--accent); border: 2px solid var(--accent); }
.skip-link:focus { transform: none; }
.hero-description { max-width: 48ch; margin: 24px auto 0; font-size: clamp(16px, 1.4vw, 19px); line-height: 1.55; }
.hero-actions { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 16px 28px; margin-top: 22px; }
.hero-secondary { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 14px; font-weight: 600; border-bottom: 1px solid var(--border-default); }
.hero-sketch-tag, .sketch-text, .sketch-underline, .hero-sketch-note, .sketch-note-text { color: #a44324; }
.service-enquiry { display: inline-flex; gap: 16px; align-items: center; margin-top: 20px; min-height: 44px; font-size: 13px; font-weight: 600; color: var(--accent); border-bottom: 1px solid var(--accent-soft); }
.service-enquiry:hover { border-color: var(--accent); }
.form-box label { display: block; font-size: 13px; font-weight: 600; }
.form-input { min-width: 0; font-size: 16px; }
.form-input[aria-invalid="true"] { border-color: #a32f22; }
.field-error { color: #a32f22; margin-top: 6px; font-size: 13px; }
.form-box .contact-consent { display: flex; align-items: flex-start; gap: 10px; font-size: 12px; font-weight: 400; line-height: 1.6; }
.contact-consent input { margin-top: 4px; width: 18px; height: 18px; flex-shrink: 0; accent-color: var(--accent); }
.contact-consent a, .form-helper a, .contact-draft a { text-decoration: underline; text-underline-offset: 3px; }
.form-helper { font-size: 12px; line-height: 1.65; color: var(--text-muted); }
.contact-draft { padding: 16px; background: var(--accent-soft); border: 1px solid var(--accent); font-size: 14px; }
.contact-draft a { display: inline-block; padding-top: 10px; font-weight: 600; color: var(--accent); }
.menu-open { overflow: hidden; }
.mobile-menu-overlay { overflow-y: auto; overscroll-behavior: contain; }
.footer-links-cols { grid-template-columns: 1fr 1fr; }
.footer-legal-bar { flex-wrap: wrap; gap: 12px 28px; color: rgba(255,255,255,.75); line-height: 1.6; }
.footer-watermark, .footer-grid-bg { pointer-events: none; }
.fcol-title { color: #ffad8c; }
@media (max-width: 1279px) { .hud-coords, .hud-contact { display: none; } }
@media (max-width: 768px) {
  .hero-description { margin-top: 44px; font-size: 16px; max-width: 32ch; }
  .hero-actions { gap: 12px 20px; margin-top: 18px; }
  .hero-title { font-size: clamp(1.8rem, 9vw, 3.8rem); }
  .hero-title > .hero-line { white-space: normal; }
  .hero-sketch-tag { left: 0; }
  .footer-legal-bar { flex-direction: column; align-items: flex-start; }
  .footer-links-cols { gap: 24px 12px; }
  .fcol-links a { overflow-wrap: anywhere; }
  .fcol-links a[href^="mailto:"] { font-size: 12px; overflow-wrap: normal; white-space: nowrap; }
}
@media (max-width: 360px) { .hero-title { font-size: 8.8vw; } .hero-actions .btn { width: 100%; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }