/* ═══════════════════════════════════════════
       RESET & THEMES
       ═══════════════════════════════════════════ */
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

    :root[data-theme="dark"] {
      --bg: #0B0B12;
      --bg-soft: #12121C;
      --bg-card: #15151F;
      --bg-elev: #1A1A26;
      --ink: #F5F0E8;
      --ink-soft: rgba(245,240,232,0.62);
      --ink-mute: rgba(245,240,232,0.38);
      --ink-faint: rgba(245,240,232,0.16);
      --line: rgba(245,240,232,0.08);
      --line-strong: rgba(245,240,232,0.14);
      --gold: #C4A35A;
      --gold-soft: rgba(196,163,90,0.14);
      --gold-line: rgba(196,163,90,0.24);
      --wine: #722F37;
      --wine-soft: rgba(114,47,55,0.22);
      --green: #4CAF50;
      --red: #E94560;
      --shadow-card: 0 24px 60px -20px rgba(0,0,0,0.5), 0 0 0 1px var(--line);
      --shadow-hero: 0 60px 120px -30px rgba(0,0,0,0.7);
      --logo-filter: invert(1) brightness(1.1);
      --grain-opacity: 0.025;
      --chrome-bg: #1A1A24;
    }

    :root[data-theme="light"] {
      --bg: #FAFAF7;
      --bg-soft: #FFFFFF;
      --bg-card: #FFFFFF;
      --bg-elev: #FFFFFF;
      --ink: #0F0F14;
      --ink-soft: rgba(15,15,20,0.65);
      --ink-mute: rgba(15,15,20,0.42);
      --ink-faint: rgba(15,15,20,0.18);
      --line: rgba(15,15,20,0.08);
      --line-strong: rgba(15,15,20,0.14);
      --gold: #9B7E3A;
      --gold-soft: rgba(196,163,90,0.16);
      --gold-line: rgba(155,126,58,0.30);
      --wine: #722F37;
      --wine-soft: rgba(114,47,55,0.10);
      --green: #2F8F36;
      --red: #C0344A;
      --shadow-card: 0 24px 60px -20px rgba(15,15,20,0.10), 0 0 0 1px var(--line);
      --shadow-hero: 0 60px 120px -30px rgba(15,15,20,0.18);
      --logo-filter: none;
      --grain-opacity: 0.018;
      --chrome-bg: #EFEDE8;
    }

    :root {
      --serif: 'Instrument Serif', Georgia, serif;
      --sans: 'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;
      --mono: 'JetBrains Mono', monospace;
      --w-max: 1200px;
      --gap-section: 56px;
      --pad-x: 32px;
      --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
      --t-fast: 180ms;
      --t-mid: 320ms;
      --t-slow: 600ms;
    }

    html {
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      text-rendering: optimizeLegibility;
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--sans);
      font-feature-settings: "ss01", "cv11";
      background: var(--bg);
      color: var(--ink);
      line-height: 1.5;
      overflow-x: hidden;
      transition: background-color var(--t-mid) var(--ease-out), color var(--t-mid) var(--ease-out);
    }

    img { max-width: 100%; height: auto; display: block; }
    ::selection { background: var(--gold); color: var(--bg); }

    body::before {
      content: '';
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 1;
      opacity: var(--grain-opacity);
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    }

    /* ═══════════════════════════════════════════
       PRIMITIVES
       ═══════════════════════════════════════════ */
    .wrap { max-width: var(--w-max); margin: 0 auto; padding: 0 var(--pad-x); }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: var(--gold-soft);
      border: 1px solid var(--gold-line);
      color: var(--gold);
      font-family: var(--mono);
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      border-radius: 100px;
    }
    .eyebrow::before {
      content: '';
      width: 5px; height: 5px;
      border-radius: 50%;
      background: var(--gold);
    }

    h2.section-h {
      font-family: var(--serif);
      font-size: clamp(34px, 4.5vw, 56px);
      line-height: 1.05;
      font-weight: 400;
      letter-spacing: -0.02em;
      color: var(--ink);
      margin-top: 20px;
    }
    h2.section-h em { font-style: italic; color: var(--gold); }

    .sub {
      font-size: clamp(15px, 1.3vw, 17px);
      color: var(--ink-soft);
      line-height: 1.6;
      max-width: 56ch;
    }

    section { padding: 0 var(--pad-x); position: relative; z-index: 2; }
    section[id] { scroll-margin-top: 82px; }
    .section-pad { padding-top: var(--gap-section); padding-bottom: var(--gap-section); }

    .divider {
      max-width: var(--w-max);
      height: 1px;
      margin: 0 auto;
      background: var(--line);
    }

    /* ═══════════════════════════════════════════
       NAV
       ═══════════════════════════════════════════ */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      height: 64px;
      padding: 0 var(--pad-x);
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: color-mix(in srgb, var(--bg) 75%, transparent);
      backdrop-filter: saturate(140%) blur(20px);
      -webkit-backdrop-filter: saturate(140%) blur(20px);
      border-bottom: 1px solid transparent;
      transition: border-color var(--t-mid) var(--ease-out);
    }
    nav.scrolled { border-bottom-color: var(--line); }

    .nav-l { display: flex; align-items: center; gap: 40px; }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--ink);
      font-weight: 700;
      font-size: 14px;
      letter-spacing: 0.18em;
    }
    .nav-logo img {
      width: 30px; height: 30px;
      object-fit: contain;
      filter: var(--logo-filter);
      transition: filter var(--t-mid) var(--ease-out);
    }
    .nav-links { display: flex; gap: 4px; list-style: none; }
    .nav-links a {
      color: var(--ink-soft);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      padding: 8px 14px;
      border-radius: 8px;
      transition: color var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out);
    }
    .nav-links a:hover { color: var(--ink); background: var(--bg-soft); }
    .nav-r { display: flex; align-items: center; gap: 10px; }

    .theme-toggle {
      width: 36px; height: 36px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: var(--bg-soft);
      color: var(--ink-soft);
      cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      transition: color var(--t-fast) var(--ease-out), border-color var(--t-fast) var(--ease-out);
    }
    .theme-toggle:hover { color: var(--ink); border-color: var(--line-strong); }
    .theme-toggle svg { width: 16px; height: 16px; stroke-width: 2; fill: none; stroke: currentColor; }
    .theme-toggle .icon-light { display: none; }
    [data-theme="light"] .theme-toggle .icon-dark { display: none; }
    [data-theme="light"] .theme-toggle .icon-light { display: block; }

    /* ═══════════════════════════════════════════
       BUTTONS
       ═══════════════════════════════════════════ */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-family: var(--sans);
      font-size: 14px;
      font-weight: 600;
      padding: 10px 18px;
      border-radius: 10px;
      border: none;
      cursor: pointer;
      text-decoration: none;
      transition: transform var(--t-fast) var(--ease-out), filter var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out), color var(--t-fast) var(--ease-out), border-color var(--t-fast) var(--ease-out);
      white-space: nowrap;
      min-height: 40px;
    }
    .btn:active { transform: scale(0.97); }
    .btn-gold { background: var(--gold); color: #1A1208; }
    .btn-gold:hover { filter: brightness(1.05); }
    .btn-ghost { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); }
    .btn-ghost:hover { color: var(--ink); border-color: var(--line-strong); background: var(--bg-soft); }
    .btn-lg { padding: 14px 26px; font-size: 15px; border-radius: 12px; min-height: 48px; }

    /* ═══════════════════════════════════════════
       HERO
       ═══════════════════════════════════════════ */
    .hero { padding: 128px var(--pad-x) 0; position: relative; z-index: 2; }
    .hero-inner { max-width: var(--w-max); margin: 0 auto; text-align: center; }

    .hero-mark {
      width: 72px; height: 72px;
      margin: 0 auto 26px;
      transition: transform var(--t-slow) var(--ease-out);
    }
    .hero-mark:hover { transform: rotate(-6deg) scale(1.05); }
    .hero-mark img { width: 72px; height: 72px; object-fit: contain; filter: var(--logo-filter); }

    .hero-tag { display: inline-block; margin-bottom: 26px; }

    .hero h1 {
      font-family: var(--serif);
      font-size: clamp(44px, 7vw, 88px);
      line-height: 1.0;
      font-weight: 400;
      letter-spacing: -0.025em;
      color: var(--ink);
      max-width: 18ch;
      margin: 0 auto 24px;
    }
    .hero h1 em { font-style: italic; color: var(--gold); }

    .hero-sub {
      font-size: clamp(16px, 1.5vw, 19px);
      color: var(--ink-soft);
      line-height: 1.55;
      max-width: 52ch;
      margin: 0 auto 36px;
    }

    .hero-ctas {
      display: flex;
      gap: 12px;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
    }

    .hero-meta {
      margin-top: 22px;
      font-family: var(--mono);
      font-size: 12px;
      color: var(--ink-mute);
      letter-spacing: 0.04em;
    }

    /* Hero showcase with browser chrome */
    .hero-showcase {
      max-width: 1080px;
      margin: 72px auto 0;
      position: relative;
    }

    .hero-showcase-tabs {
      display: flex;
      justify-content: center;
      gap: 4px;
      padding: 5px;
      width: fit-content;
      margin: 0 auto 20px;
      background: var(--bg-soft);
      border: 1px solid var(--line);
      border-radius: 100px;
    }
    .hero-tab {
      padding: 9px 20px;
      border-radius: 100px;
      font-size: 13px;
      font-weight: 500;
      color: var(--ink-soft);
      cursor: pointer;
      border: none;
      background: transparent;
      font-family: var(--sans);
      transition: color var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out);
      min-height: 38px;
    }
    .hero-tab:hover { color: var(--ink); }
    .hero-tab.active { background: var(--ink); color: var(--bg); }

    /* Browser chrome frame */
    .browser-frame {
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid var(--line);
      background: var(--bg-soft);
      box-shadow: var(--shadow-hero);
      animation: heroRise 1.1s var(--ease-out) 0.15s both;
    }
    @keyframes heroRise {
      from { opacity: 0; transform: translateY(36px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .browser-chrome {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 10px 14px;
      background: var(--chrome-bg);
      border-bottom: 1px solid var(--line);
    }
    .browser-dots { display: flex; gap: 6px; }
    .browser-dots span {
      width: 10px; height: 10px;
      border-radius: 50%;
      background: var(--ink-faint);
    }
    .browser-url {
      flex: 1;
      max-width: 280px;
      margin: 0 auto;
      padding: 5px 14px;
      background: var(--bg);
      border: 1px solid var(--line);
      border-radius: 8px;
      font-family: var(--mono);
      font-size: 11px;
      color: var(--ink-mute);
      text-align: center;
      letter-spacing: 0.02em;
    }
    .browser-frame .panel { display: none; }
    .browser-frame .panel.active { display: block; }
    .browser-frame img { width: 100%; display: block; }

    /* ═══════════════════════════════════════════
       STAT STRIP
       ═══════════════════════════════════════════ */
    .stats { padding: 32px var(--pad-x) 0; }
    .stats-row {
      max-width: var(--w-max);
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      background: var(--line);
      border: 1px solid var(--line);
      border-radius: 16px;
      overflow: hidden;
    }
    .stat {
      background: var(--bg-soft);
      padding: 26px 22px;
      text-align: center;
    }
    .stat-n {
      font-family: var(--serif);
      font-size: clamp(28px, 3vw, 40px);
      color: var(--ink);
      line-height: 1.1;
      letter-spacing: -0.02em;
    }
    .stat-n em { font-style: italic; color: var(--gold); }
    .stat-l {
      margin-top: 6px;
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--ink-mute);
    }

    /* ═══════════════════════════════════════════
       MARQUEE TICKER
       ═══════════════════════════════════════════ */
    .ticker {
      margin-top: 32px;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      overflow: hidden;
      padding: 16px 0;
      position: relative;
      z-index: 2;
    }
    .ticker-track {
      display: flex;
      gap: 0;
      width: max-content;
      animation: tick 40s linear infinite;
    }
    .ticker:hover .ticker-track { animation-play-state: paused; }
    @keyframes tick {
      from { transform: translateX(0); }
      to   { transform: translateX(-50%); }
    }
    .ticker-item {
      display: inline-flex;
      align-items: center;
      gap: 28px;
      padding-right: 28px;
      font-family: var(--mono);
      font-size: 12px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--ink-mute);
      white-space: nowrap;
    }
    .ticker-item::after {
      content: '◆';
      font-size: 7px;
      color: var(--gold);
    }

    /* ═══════════════════════════════════════════
       PROBLEM
       ═══════════════════════════════════════════ */
    .problem .wrap { max-width: 880px; text-align: center; }
    .problem h2 { margin-bottom: 24px; }
    .problem .sub { margin: 0 auto 52px; }

    .problem-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      background: var(--line);
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--line);
    }
    .problem-card {
      background: var(--bg-soft);
      padding: 28px 26px;
      text-align: left;
      transition: background-color var(--t-fast) var(--ease-out);
    }
    .problem-card:hover { background: var(--bg-card); }
    .problem-strike {
      font-size: 13px;
      color: var(--ink-mute);
      text-decoration: line-through;
      margin-bottom: 8px;
      font-family: var(--mono);
    }
    .problem-fix {
      font-size: 15px;
      color: var(--ink);
      font-weight: 500;
    }

    /* ═══════════════════════════════════════════
       BENTO GRID — the OS at a glance
       ═══════════════════════════════════════════ */
    .bento-head { text-align: center; margin-bottom: 32px; }
    .bento-head h2 { margin-bottom: 16px; }
    .bento-head .sub { margin: 0 auto; }

    .bento {
      max-width: var(--w-max);
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 14px;
    }
    .tile {
      background: var(--bg-soft);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 28px 26px;
      position: relative;
      overflow: hidden;
      transition: transform var(--t-mid) var(--ease-out), border-color var(--t-mid) var(--ease-out), background-color var(--t-mid) var(--ease-out);
    }
    .tile:hover { transform: translateY(-4px); border-color: var(--gold-line); background: var(--bg-card); }
    .tile-3 { grid-column: span 3; }
    .tile-2 { grid-column: span 2; }
    .tile-4 { grid-column: span 4; }
    .tile-6 { grid-column: span 6; }

    .tile-icon {
      width: 40px; height: 40px;
      border-radius: 12px;
      background: var(--gold-soft);
      color: var(--gold);
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 18px;
    }
    .tile-icon svg { width: 18px; height: 18px; stroke-width: 1.8; fill: none; stroke: currentColor; }

    .tile h3 {
      font-size: 18px;
      font-weight: 600;
      letter-spacing: -0.015em;
      color: var(--ink);
      margin-bottom: 8px;
    }
    .tile p { font-size: 14px; color: var(--ink-soft); line-height: 1.55; max-width: 46ch; }

    .tile-shot {
      margin-top: 22px;
      border-radius: 10px;
      border: 1px solid var(--line);
      overflow: hidden;
    }
    .tile-shot img { width: 100%; display: block; }

    .tile-badge {
      position: absolute;
      top: 22px; right: 22px;
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--gold);
      padding: 4px 10px;
      background: var(--gold-soft);
      border: 1px solid var(--gold-line);
      border-radius: 100px;
    }

    /* 24/7 tile pulse dot — purposeful: signals "live" */
    .live-dot {
      display: inline-block;
      width: 7px; height: 7px;
      border-radius: 50%;
      background: var(--green);
      margin-right: 7px;
      animation: pulse 2.4s ease-in-out infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.35; }
    }

    /* ═══════════════════════════════════════════
       VIDEO PREVIEW
       ═══════════════════════════════════════════ */
    .video-preview .wrap { max-width: 980px; text-align: center; }
    .video-preview .sub { margin: 16px auto 0; }
    .video-shell {
      position: relative;
      width: 100%;
      margin: 40px auto 0;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--line);
      background: #050509;
      box-shadow: var(--shadow-hero);
    }
    .video-shell video {
      display: block;
      width: 100%;
      aspect-ratio: 16 / 9;
      max-height: min(70vh, 620px);
      object-fit: contain;
      background: #050509;
    }

    /* ═══════════════════════════════════════════
       SHOWCASES
       ═══════════════════════════════════════════ */
    .showcase {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 72px;
      align-items: center;
      max-width: var(--w-max);
      margin: 0 auto;
      padding: 48px 0;
    }
    .showcase.flip { direction: rtl; }
    .showcase.flip > * { direction: ltr; }

    .showcase-text .eyebrow { margin-bottom: 18px; }
    .showcase-text h2 {
      font-family: var(--serif);
      font-size: clamp(28px, 3.4vw, 42px);
      line-height: 1.1;
      font-weight: 400;
      letter-spacing: -0.018em;
      color: var(--ink);
      margin-bottom: 16px;
    }
    .showcase-text h2 em { font-style: italic; color: var(--gold); }
    .showcase-text > .sub { margin-bottom: 26px; }

    .showcase-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
    .showcase-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 15px;
      color: var(--ink-soft);
      line-height: 1.55;
    }
    .showcase-list li::before {
      content: '';
      width: 16px; height: 16px;
      flex-shrink: 0;
      margin-top: 4px;
      background: var(--gold-soft);
      border-radius: 4px;
    }
    .showcase-list li::after {
      content: '';
      position: absolute;
      width: 6px; height: 3px;
      border-left: 1.6px solid var(--gold);
      border-bottom: 1.6px solid var(--gold);
      transform: rotate(-45deg) translate(4px, -2px);
      margin-top: 7px;
      margin-left: 5px;
    }

    .showcase-img {
      width: 100%;
      border-radius: 14px;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-card);
      transition: transform var(--t-mid) var(--ease-out);
    }
    .showcase-img-wrap:hover .showcase-img { transform: translateY(-4px); }

    .showcase-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .showcase-pair-item { position: relative; }
    .showcase-pair-label {
      position: absolute;
      top: 12px; left: 12px;
      padding: 4px 10px;
      background: color-mix(in srgb, var(--bg) 80%, transparent);
      backdrop-filter: blur(6px);
      border: 1px solid var(--line);
      border-radius: 6px;
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.04em;
      color: var(--ink-soft);
      text-transform: uppercase;
      z-index: 2;
    }

    /* ═══════════════════════════════════════════
       INVOICE FLOW
       ═══════════════════════════════════════════ */
    .flow .wrap { text-align: center; }
    .flow-head { margin-bottom: 28px; }
    .flow-head h2 { margin-bottom: 16px; }
    .flow-head .sub { margin: 0 auto; }

    .flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-bottom: 30px;
    }
    .flow-card {
      background: var(--bg-soft);
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 28px 22px;
      text-align: left;
      transition: border-color var(--t-mid) var(--ease-out), background-color var(--t-mid) var(--ease-out);
    }
    .flow-card:hover { border-color: var(--gold-line); background: var(--bg-card); }
    .flow-num {
      font-family: var(--mono);
      font-size: 12px;
      color: var(--gold);
      letter-spacing: 0.06em;
      margin-bottom: 12px;
    }
    .flow-card h4 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
    .flow-card p { font-size: 13px; color: var(--ink-soft); line-height: 1.55; }

    .flow-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 18px;
      border: 1px solid color-mix(in srgb, var(--red) 30%, transparent);
      background: color-mix(in srgb, var(--red) 8%, transparent);
      color: var(--red);
      font-size: 13px;
      font-weight: 500;
      border-radius: 100px;
    }

    /* ═══════════════════════════════════════════
       ASSISTANT
       ═══════════════════════════════════════════ */
    .assistant .wrap { text-align: center; }
    .assistant-head { margin-bottom: 28px; }
    .assistant-head h2 { margin-bottom: 16px; }
    .assistant-head .sub { margin: 0 auto; }

    .assistant-layout {
      display: grid;
      grid-template-columns: minmax(340px, 0.9fr) minmax(520px, 1.4fr);
      gap: 36px;
      align-items: center;
      text-align: left;
    }
    .ask-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
    .ask {
      background: var(--bg-soft);
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 22px 24px;
      transition: border-color var(--t-mid) var(--ease-out);
    }
    .ask:hover { border-color: var(--gold-line); }
    .ask-q {
      font-family: var(--serif);
      font-style: italic;
      font-size: 18px;
      color: var(--gold);
      margin-bottom: 8px;
      line-height: 1.3;
    }
    .ask-a { font-size: 13px; color: var(--ink-soft); line-height: 1.55; }

    .assistant-desktop img {
      width: 100%;
      border-radius: 16px;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-card);
      background: var(--bg-soft);
    }

    /* ═══════════════════════════════════════════
       MOBILE SHOWCASE — phone frames w/ island
       ═══════════════════════════════════════════ */
    .mobile .wrap { text-align: center; }
    .mobile-head { margin-bottom: 28px; }
    .mobile-head h2 { margin-bottom: 16px; }
    .mobile-head .sub { margin: 0 auto; }

    .phones {
      display: flex;
      justify-content: center;
      gap: 22px;
      flex-wrap: wrap;
    }
    .phone { width: 200px; flex-shrink: 0; }
    .phone-screen {
      border-radius: 30px;
      overflow: hidden;
      border: 2px solid var(--line-strong);
      background: var(--bg-soft);
      box-shadow: var(--shadow-card);
      aspect-ratio: 9/19.5;
      position: relative;
    }
    /* dynamic island */
    .phone-screen::before {
      content: '';
      position: absolute;
      top: 8px; left: 50%;
      transform: translateX(-50%);
      width: 58px; height: 16px;
      background: #000;
      border-radius: 100px;
      z-index: 3;
    }
    .phone-screen img {
      width: 100%; height: 100%;
      object-fit: cover;
      object-position: top;
    }
    .phone-cap {
      margin-top: 14px;
      font-family: var(--mono);
      font-size: 11px;
      color: var(--ink-mute);
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }
    .phone-cap strong {
      display: block;
      font-family: var(--sans);
      font-size: 14px;
      color: var(--ink);
      text-transform: none;
      margin-bottom: 2px;
      font-weight: 500;
    }

    /* ═══════════════════════════════════════════
       SUPPORT — 24/7 promise
       ═══════════════════════════════════════════ */
    .support .wrap { max-width: 980px; }
    .support-card {
      background: var(--bg-soft);
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: clamp(32px, 5vw, 56px);
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .support-card h2 {
      font-family: var(--serif);
      font-size: clamp(30px, 3.8vw, 46px);
      line-height: 1.07;
      font-weight: 400;
      letter-spacing: -0.02em;
      color: var(--ink);
      margin: 14px 0 16px;
    }
    .support-card h2 em { font-style: italic; color: var(--gold); }
    .support-points { list-style: none; display: flex; flex-direction: column; gap: 16px; }
    .support-point {
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }
    .support-point-icon {
      width: 36px; height: 36px;
      flex-shrink: 0;
      border-radius: 10px;
      background: var(--gold-soft);
      color: var(--gold);
      display: flex; align-items: center; justify-content: center;
    }
    .support-point-icon svg { width: 16px; height: 16px; stroke-width: 1.8; fill: none; stroke: currentColor; }
    .support-point strong {
      display: block;
      font-size: 15px;
      color: var(--ink);
      font-weight: 600;
      margin-bottom: 2px;
    }
    .support-point span { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; }

    /* ═══════════════════════════════════════════
       PRINCIPLES
       ═══════════════════════════════════════════ */
    .why .wrap { max-width: 800px; text-align: center; }
    .why-head { margin-bottom: 28px; }
    .why-stack { display: flex; flex-direction: column; gap: 14px; text-align: left; }
    .why-card {
      background: var(--bg-soft);
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 22px 26px 22px 32px;
      position: relative;
      font-size: 16px;
      color: var(--ink-soft);
      line-height: 1.6;
      transition: border-color var(--t-mid) var(--ease-out);
    }
    .why-card:hover { border-color: var(--line-strong); }
    .why-card::before {
      content: '';
      position: absolute;
      left: 18px; top: 26px; bottom: 26px;
      width: 2px;
      background: var(--gold);
      border-radius: 1px;
      opacity: 0.7;
    }

    /* ═══════════════════════════════════════════
       FAQ
       ═══════════════════════════════════════════ */
    .faq .wrap { max-width: 760px; }
    .faq-head { text-align: center; margin-bottom: 28px; }
    .faq-head h2 { margin-bottom: 16px; }
    .faq-head .sub { margin: 0 auto; }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--bg-soft);
      margin-bottom: 10px;
      overflow: hidden;
      transition: border-color var(--t-mid) var(--ease-out);
    }
    .faq-item[open] { border-color: var(--gold-line); }
    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 16px;
      font-weight: 600;
      color: var(--ink);
      letter-spacing: -0.01em;
      min-height: 48px;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
      content: '+';
      font-family: var(--mono);
      font-size: 20px;
      color: var(--gold);
      flex-shrink: 0;
      transition: transform var(--t-mid) var(--ease-out);
    }
    .faq-item[open] summary::after { transform: rotate(45deg); }
    .faq-body {
      padding: 0 24px 20px;
      font-size: 14.5px;
      color: var(--ink-soft);
      line-height: 1.65;
      max-width: 64ch;
    }

    /* ═══════════════════════════════════════════
       FINAL CTA
       ═══════════════════════════════════════════ */
    .final {
      padding: 48px var(--pad-x) 56px;
      text-align: center;
      position: relative;
      z-index: 2;
    }
    .final-mark { width: 52px; height: 52px; margin: 0 auto 24px; }
    .final-mark img { width: 52px; height: 52px; object-fit: contain; filter: var(--logo-filter); }
    .final h2 {
      font-family: var(--serif);
      font-size: clamp(38px, 5vw, 64px);
      line-height: 1.05;
      font-weight: 400;
      letter-spacing: -0.025em;
      color: var(--ink);
      margin-bottom: 18px;
    }
    .final h2 em { font-style: italic; color: var(--gold); }
    .final .sub { margin: 0 auto 32px; max-width: 50ch; }
    .final-meta {
      margin-top: 20px;
      font-family: var(--mono);
      font-size: 12px;
      color: var(--ink-mute);
      letter-spacing: 0.04em;
    }

    /* ═══════════════════════════════════════════
       BOOKING MODAL (unchanged behavior)
       ═══════════════════════════════════════════ */
    .modal {
      position: fixed; inset: 0; z-index: 200;
      display: none; align-items: center; justify-content: center;
      padding: 24px;
    }
    .modal.open { display: flex; }
    .modal-backdrop {
      position: absolute; inset: 0;
      background: rgba(8, 8, 12, 0.58);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }
    .booking-panel {
      position: relative; z-index: 1;
      width: min(100%, 620px);
      max-height: min(86vh, 760px);
      overflow: auto;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: var(--bg-soft);
      box-shadow: var(--shadow-hero);
      padding: 28px;
    }
    .booking-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 22px;
    }
    .booking-head h3 {
      font-family: var(--serif);
      font-size: clamp(30px, 4vw, 42px);
      line-height: 1.05;
      font-weight: 400;
      color: var(--ink);
      margin-bottom: 10px;
    }
    .booking-head p { color: var(--ink-soft); font-size: 14px; line-height: 1.55; max-width: 44ch; }
    .modal-close {
      width: 38px; height: 38px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: var(--bg-card);
      color: var(--ink-soft);
      cursor: pointer;
      font-size: 22px;
      line-height: 1;
      flex-shrink: 0;
    }
    .modal-close:hover { color: var(--ink); border-color: var(--line-strong); }
    .booking-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .field { display: flex; flex-direction: column; gap: 7px; }
    .field.full { grid-column: 1 / -1; }
    .field label {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--ink-mute);
    }
    .field input, .field textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: var(--bg);
      color: var(--ink);
      font: inherit;
      font-size: 15px;
      padding: 12px 13px;
      outline: none;
      transition: border-color var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out);
    }
    .field textarea { resize: vertical; min-height: 96px; }
    .field input:focus, .field textarea:focus { border-color: var(--gold-line); background: var(--bg-card); }
    .booking-actions {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-top: 20px;
    }
    .booking-note { color: var(--ink-mute); font-size: 12px; line-height: 1.45; }

    /* ═══════════════════════════════════════════
       FOOTER — multi-column
       ═══════════════════════════════════════════ */
    footer {
      padding: 56px var(--pad-x) 32px;
      border-top: 1px solid var(--line);
      position: relative;
      z-index: 2;
    }
    .foot-grid {
      max-width: var(--w-max);
      margin: 0 auto 40px;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
    }
    .foot-brand { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
    .foot-brand .nav-logo img { width: 34px; height: 34px; }
    .foot-brand p {
      font-size: 13.5px;
      color: var(--ink-mute);
      line-height: 1.6;
      max-width: 34ch;
    }
    .foot-col h5 {
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--ink-mute);
      margin-bottom: 14px;
      font-weight: 500;
    }
    .foot-col a {
      display: block;
      font-size: 14px;
      color: var(--ink-soft);
      text-decoration: none;
      padding: 5px 0;
      transition: color var(--t-fast) var(--ease-out);
    }
    .foot-col a:hover { color: var(--ink); }
    .foot-bottom {
      max-width: var(--w-max);
      margin: 0 auto;
      padding-top: 24px;
      border-top: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .foot-bottom span, .foot-bottom a {
      font-size: 12px;
      color: var(--ink-mute);
      font-family: var(--mono);
      text-decoration: none;
    }
    .foot-bottom a:hover { color: var(--ink-soft); }

    /* ═══════════════════════════════════════════
       REVEAL
       ═══════════════════════════════════════════ */
    .reveal {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
    }
    .reveal.in { opacity: 1; transform: translateY(0); }

    /* ═══════════════════════════════════════════
       RESPONSIVE
       ═══════════════════════════════════════════ */
    @media (max-width: 1024px) {
      :root { --pad-x: 24px; --gap-section: 48px; }
      .problem-grid, .ask-grid { grid-template-columns: 1fr; }
      .stats-row { grid-template-columns: repeat(2, 1fr); }
      .assistant-layout { grid-template-columns: 1fr; gap: 36px; text-align: center; }
      .assistant-layout .ask-grid { text-align: left; }
      .flow-grid { grid-template-columns: repeat(2, 1fr); }
      .showcase { grid-template-columns: 1fr; gap: 32px; padding: 36px 0; }
      .showcase.flip { direction: ltr; }
      .tile-3, .tile-2, .tile-4 { grid-column: span 6; }
      .support-card { grid-template-columns: 1fr; gap: 32px; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .foot-brand { grid-column: 1 / -1; }
    }

    @media (max-width: 640px) {
      :root { --pad-x: 18px; --gap-section: 36px; }
      nav { height: 56px; padding: 0 18px; }
      section[id] { scroll-margin-top: 72px; }
      .nav-links { display: none; }
      .nav-logo { font-size: 13px; gap: 8px; }
      .nav-logo img { width: 26px; height: 26px; }

      .hero { padding: 92px 18px 0; }
      .hero-mark { width: 56px; height: 56px; margin-bottom: 22px; }
      .hero-mark img { width: 56px; height: 56px; }
      .hero h1 { font-size: 40px; line-height: 1.04; margin-bottom: 18px; }
      .hero-sub { font-size: 15px; margin-bottom: 26px; }
      .hero-ctas { flex-direction: column; width: 100%; }
      .hero-ctas .btn { width: 100%; }

      .hero-showcase { margin-top: 48px; }
      .hero-showcase-tabs { width: 100%; }
      .hero-tab { flex: 1; padding: 9px 8px; font-size: 12px; }
      .browser-url { display: none; }

      .stats { padding-top: 40px; }
      .stats-row { grid-template-columns: repeat(2, 1fr); border-radius: 14px; }
      .stat { padding: 20px 14px; }

      .ticker { margin-top: 24px; padding: 13px 0; }

      h2.section-h { font-size: clamp(28px, 7.5vw, 38px); }

      .problem-grid { background: transparent; border: none; gap: 10px; }
      .problem-card { border: 1px solid var(--line); border-radius: 12px; }

      .bento { gap: 10px; }
      .tile { padding: 24px 20px; border-radius: 14px; }
      .tile-badge { top: 18px; right: 18px; }

      .flow-grid { grid-template-columns: 1fr; gap: 10px; }
      .flow-card { padding: 22px 18px; }

      .showcase-text h2 { font-size: clamp(24px, 6.5vw, 32px); }
      .showcase-list li { font-size: 14px; }
      .showcase-pair { grid-template-columns: 1fr; gap: 12px; }

      .ask { padding: 18px 20px; }
      .ask-q { font-size: 16.5px; }

      /* Phones become a native horizontal snap gallery */
      .phones {
        display: flex;
        flex-wrap: nowrap;
        justify-content: flex-start;
        gap: 14px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding: 4px 18px 16px;
        margin: 0 -18px;
        scrollbar-width: none;
      }
      .phones::-webkit-scrollbar { display: none; }
      .phone {
        width: 186px;
        scroll-snap-align: center;
      }
      .phone-screen { border-radius: 26px; }
      .phone-screen::before { width: 52px; height: 14px; top: 7px; }

      .support-card { padding: 26px 20px; border-radius: 16px; }

      .why-card { padding: 18px 22px 18px 26px; font-size: 14.5px; }
      .why-card::before { left: 14px; top: 22px; bottom: 22px; }

      .faq-item summary { padding: 17px 18px; font-size: 15px; }
      .faq-body { padding: 0 18px 18px; }

      .final { padding: 36px 18px 40px; }
      .final .btn { width: 100%; }

      .modal { padding: 12px; align-items: flex-end; }
      .booking-panel { max-height: 88vh; border-radius: 16px; padding: 22px 18px; }
      .booking-grid { grid-template-columns: 1fr; }
      .booking-actions { flex-direction: column-reverse; align-items: stretch; }
      .booking-actions .btn { width: 100%; }

      .foot-grid { grid-template-columns: 1fr; gap: 28px; }
      .foot-bottom { flex-direction: column; text-align: center; }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
      }
      .reveal { opacity: 1; transform: none; }
      .ticker-track { animation: none; }
    }