/* ─── Theme tokens ──────────────────────────────────────────── */
    :root[data-theme="light"] {
      --bg:          #F8F7F5;
      --bg2:         #EFEEEC;
      --surface:     #FFFFFF;
      --text:        #0D0C0A;
      --text2:       rgba(13,12,10,.56);
      --text3:       rgba(13,12,10,.36);
      --border:      rgba(13,12,10,.08);
      --border2:     rgba(13,12,10,.15);
      --pill-bg:     rgba(13,12,10,.05);
      --pill-border: rgba(13,12,10,.11);
      --grid-dot:    rgba(13,12,10,.07);
      --dot-dim:     rgba(13,12,10,.22);
      --dot-on:      rgba(13,12,10,.82);
      --btn-primary-bg:   #0D0C0A;
      --btn-primary-text: #F8F7F5;
      --btn-ghost-border: rgba(13,12,10,.22);
      --btn-ghost-text:   rgba(13,12,10,.75);
      --toggle-bg:   rgba(13,12,10,.07);
      --toggle-border: rgba(13,12,10,.13);
      --toggle-icon: #0D0C0A;
      color-scheme: light;
    }
    :root[data-theme="dark"] {
      --bg:          #0A0908;
      --bg2:         #111110;
      --surface:     #1B1A18;
      --text:        #F2F0EC;
      --text2:       rgba(242,240,236,.55);
      --text3:       rgba(242,240,236,.35);
      --border:      rgba(255,255,255,.06);
      --border2:     rgba(255,255,255,.12);
      --pill-bg:     rgba(255,255,255,.05);
      --pill-border: rgba(255,255,255,.11);
      --grid-dot:    rgba(242,240,236,.055);
      --dot-dim:     rgba(242,240,236,.25);
      --dot-on:      rgba(242,240,236,.85);
      --btn-primary-bg:   rgba(242,240,236,.9);
      --btn-primary-text: #0A0908;
      --btn-ghost-border: rgba(242,240,236,.22);
      --btn-ghost-text:   rgba(242,240,236,.72);
      --toggle-bg:   rgba(255,255,255,.07);
      --toggle-border: rgba(255,255,255,.12);
      --toggle-icon: #F2F0EC;
      color-scheme: dark;
    }

    /* ─── Reset ──────────────────────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html {
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
      scroll-snap-type: y mandatory;
      overflow-y: scroll;
    }
    body {
      background: var(--bg);
      color: var(--text);
      font-family: 'Inter', system-ui, sans-serif;
      overflow-x: hidden;
    }

    /* ─── Scene base ─────────────────────────────────────────────── */
    .scene {
      scroll-snap-align: start;
      height: 100vh;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }
    .scene > * { position: relative; z-index: 1; }

    /* ─── Entry animation ────────────────────────────────────────── */
    .scene .anim {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.68, 0, 1.08);
    }
    .scene.visible .anim { opacity: 1; transform: none; }
    .d0{transition-delay:0s}   .d1{transition-delay:.1s}  .d2{transition-delay:.25s}
    .d3{transition-delay:.4s}  .d4{transition-delay:.55s} .d5{transition-delay:.7s}
    .d6{transition-delay:.85s}
    @media (prefers-reduced-motion: reduce) {
      .scene .anim { opacity: 1 !important; transform: none !important; transition: none !important; }
      * { animation: none !important; }
    }

    /* Scene entry spark */
    @keyframes sceneSpark {
      0%   { transform: scaleX(0); transform-origin: left center; opacity: 1; }
      65%  { transform: scaleX(1); transform-origin: left center; opacity: 1; }
      100% { transform: scaleX(1); transform-origin: left center; opacity: 0; }
    }
    .scene::after {
      content: ''; position: absolute; top: 0; left: 0; right: 0;
      height: 1.5px; pointer-events: none; z-index: 50;
      background: linear-gradient(90deg, transparent 0%, rgba(128,128,128,.55) 35%, rgba(128,128,128,.55) 65%, transparent 100%);
      opacity: 0; transform: scaleX(0); transform-origin: left center;
    }
    .scene.visible::after { animation: sceneSpark 1.3s cubic-bezier(.4,0,.2,1) 0.08s forwards; }

    /* ─── Theme toggle ────────────────────────────────────────────── */
    .theme-toggle {
      position: fixed;
      top: 20px;
      right: 24px;
      z-index: 300;
      width: 38px; height: 38px;
      border-radius: 50%;
      background: var(--toggle-bg);
      border: 1px solid var(--toggle-border);
      cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      transition: background .2s, border-color .2s, transform .15s;
    }
    .theme-toggle:hover { transform: scale(1.08); }
    .theme-toggle svg { width: 16px; height: 16px; color: var(--toggle-icon); transition: color .2s; }
    .icon-sun  { display: none; }
    .icon-moon { display: block; }
    :root[data-theme="dark"] .icon-sun  { display: block; }
    :root[data-theme="dark"] .icon-moon { display: none; }

    /* ─── Dot nav ─────────────────────────────────────────────────── */
    .dot-nav {
      position: fixed;
      right: 28px; top: 50%;
      transform: translateY(-50%);
      display: flex; flex-direction: column; gap: 12px;
      z-index: 200;
    }
    @media (max-width: 480px) { .dot-nav { display: none; } }
    .dot {
      width: 7px; height: 7px; border-radius: 50%;
      background: var(--dot-dim);
      cursor: pointer; transition: background .3s, transform .3s;
      border: none; padding: 0;
    }
    .dot.active { background: var(--dot-on); transform: scale(1.4); }

    /* Chrome dots shared */
    .chrome-dots { display: flex; gap: 6px; flex-shrink: 0; }
    .chrome-dot  { width: 10px; height: 10px; border-radius: 50%; }
    .chrome-dot.red    { background: #FF5F57; }
    .chrome-dot.yellow { background: #FEBC2E; }
    .chrome-dot.green  { background: #28C840; }

    /* ═══════════════════════════════════════════════════════════
       SCENE HERO
    ═══════════════════════════════════════════════════════════ */
    #heroCanvas {
      position: absolute; inset: 0; width: 100%; height: 100%;
      z-index: 0; pointer-events: none;
    }
    #scene-hero {
      background: var(--bg);
      justify-content: space-between;
      align-items: center;
      padding: 0 max(4vw, 40px) 0 max(7vw, 48px);
      overflow: hidden;
    }
    /* Faint dot grid — sits under canvas data layer */
    #scene-hero::before {
      content: '';
      position: absolute; inset: 0;
      pointer-events: none; z-index: 0;
      background-image: radial-gradient(circle, var(--grid-dot) 1px, transparent 1px);
      background-size: 30px 30px;
      opacity: 0.55;
    }

    /* iLance wordmark — inside hero */
    .hero-wordmark {
      position: absolute;
      top: 24px; left: 32px;
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-weight: 900; font-size: 1.15rem;
      letter-spacing: -0.02em;
      color: var(--text);
      z-index: 2;
    }
    .hero-wordmark span { opacity: .45; font-weight: 400; font-size: .85em; margin-left: 3px; }

    .hero-inner {
      display: flex; flex-direction: column; align-items: flex-start;
      flex: 0 0 auto; max-width: 520px;
      text-align: left; z-index: 1;
    }

    .hero-eyebrow {
      display: inline-flex; align-items: center;
      border: 1px solid var(--pill-border);
      background: var(--pill-bg);
      border-radius: 99px; padding: 5px 16px;
      font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 600;
      letter-spacing: 0.14em; text-transform: uppercase;
      color: var(--text2); margin-bottom: 28px;
    }

    /* Animated gradient headline */
    @keyframes heroGlide {
      0%   { background-position: 0% 50%; }
      50%  { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }
    .hero-headline {
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-weight: 900;
      font-size: clamp(2.8rem, 7vw, 8.5rem);
      letter-spacing: -0.04em; line-height: 0.95;
      margin-bottom: 28px;
    }
    :root[data-theme="dark"] .hero-headline {
      background: linear-gradient(-50deg, #FFFFFF 0%, #FFFFFF 22%, rgba(215,213,209,0.85) 46%, rgba(155,153,148,0.5) 72%, #FFFFFF 100%);
      background-size: 280% 280%;
      animation: heroGlide 10s ease infinite;
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    :root[data-theme="light"] .hero-headline {
      background: linear-gradient(-50deg, #0A0908 0%, #0A0908 22%, rgba(55,53,49,0.85) 46%, rgba(110,108,103,0.5) 72%, #0A0908 100%);
      background-size: 280% 280%;
      animation: heroGlide 10s ease infinite;
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }

    .hero-sub {
      font-family: 'Inter', sans-serif; font-weight: 300;
      font-size: clamp(14px, 1.2vw, 17px); line-height: 1.88;
      color: var(--text2);
      max-width: 460px; margin-bottom: 36px;
    }

    .hero-actions {
      display: flex; gap: 12px; align-items: center;
      flex-wrap: wrap; justify-content: flex-start;
      margin-bottom: 36px;
    }
    .hero-btn-primary {
      height: 50px; padding: 0 28px;
      background: var(--btn-primary-bg);
      color: var(--btn-primary-text);
      border: none; border-radius: 10px;
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: .9rem; font-weight: 700;
      cursor: pointer; display: flex; align-items: center; gap: 8px;
      transition: opacity .15s, transform .15s;
    }
    .hero-btn-primary:hover { opacity: .82; transform: translateY(-1px); }
    .hero-btn-primary svg { width: 14px; height: 14px; }
    .hero-btn-ghost {
      height: 50px; padding: 0 28px;
      background: transparent;
      color: var(--btn-ghost-text);
      border: 1px solid var(--btn-ghost-border);
      border-radius: 10px;
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: .9rem; font-weight: 600;
      cursor: pointer; transition: border-color .15s, color .15s, transform .15s;
    }
    .hero-btn-ghost:hover { border-color: var(--border2); color: var(--text); transform: translateY(-1px); }

    .scene-nav-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

    .hero-tags {
      display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-start;
    }
    .hero-tag {
      font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 500;
      color: var(--text3);
      border: 1px solid var(--border);
      border-radius: 99px; padding: 5px 14px;
    }

    /* Scroll cue */
    .hero-scroll-cue {
      position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
      display: flex; flex-direction: column; align-items: center; gap: 6px;
      opacity: 0; animation: heroScrollIn 1s ease 1.4s forwards;
      z-index: 2;
    }
    @keyframes heroScrollIn { to { opacity: 1; } }
    @keyframes heroScrollBounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(5px)} }
    .hero-scroll-cue { animation: heroScrollIn 1s ease 1.4s forwards, heroScrollBounce 2.2s ease 2.4s infinite; }
    .hero-scroll-cue span { font-family: 'Inter', sans-serif; font-size: 10px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--text3); }
    .hero-scroll-cue svg { width: 16px; height: 16px; color: var(--text3); }

    /* ─── Hero widget (right column, fully visible) ─────── */
    .hero-widget {
      flex: 0 0 auto;
      width: min(620px, 46vw);
      position: relative; z-index: 4;
      transform: perspective(1600px) rotateY(-10deg) rotateX(3deg);
      filter: drop-shadow(-24px 48px 90px rgba(0,0,0,0.5));
      transition: transform .5s cubic-bezier(.25,.46,.45,.94);
      align-self: center;
    }
    .hero-widget:hover { transform: perspective(1600px) rotateY(-5deg) rotateX(1.5deg); }
    @media (max-width: 960px)  { .hero-widget { display: none; } }

    /* View tabs */
    .hw2-tabs {
      display: flex; gap: 2px;
      background: #111110; border-radius: 14px 14px 0 0;
      padding: 10px 12px 0;
      border: 1px solid rgba(255,255,255,.08); border-bottom: none;
    }
    .hw2-tab {
      flex: 1; padding: 8px 6px 9px;
      background: transparent; border: none; border-radius: 7px 7px 0 0;
      font-family: 'Inter', sans-serif; font-size: .65rem; font-weight: 700;
      letter-spacing: .08em; text-transform: uppercase;
      color: rgba(242,240,236,.28); cursor: pointer;
      transition: color .18s, background .18s;
      white-space: nowrap;
    }
    .hw2-tab:hover { color: rgba(242,240,236,.55); background: rgba(255,255,255,.04); }
    .hw2-tab.active { background: #1C1B19; color: rgba(242,240,236,.9); }

    .hw2-chrome {
      background: #1C1B19; border-radius: 0;
      padding: 12px 18px; display: flex; align-items: center; gap: 12px;
      border-left: 1px solid rgba(255,255,255,.08); border-right: 1px solid rgba(255,255,255,.08);
      border-bottom: none; border-top: none;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
    }
    .hw2-url {
      flex: 1; background: rgba(255,255,255,.06); border-radius: 5px;
      padding: 4px 10px; font-size: 10px; color: rgba(242,240,236,.28);
      font-family: 'Inter', sans-serif; white-space: nowrap; overflow: hidden;
    }
    .hw2-body {
      background: #0F0E0D; border: 1px solid rgba(255,255,255,.07);
      border-top: none; border-radius: 0 0 14px 14px; overflow: hidden;
    }
    .hw2-messages {
      height: 560px; padding: 20px 18px 10px;
      display: flex; flex-direction: column; overflow-y: auto; overflow-x: hidden;
      scrollbar-width: none;
      -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 28px, #000 calc(100% - 36px), transparent 100%);
      mask-image: linear-gradient(to bottom, transparent 0, #000 28px, #000 calc(100% - 36px), transparent 100%);
    }
    .hw2-messages::-webkit-scrollbar { display: none; }
    .hw2-ibar {
      border-top: 1px solid rgba(255,255,255,.05); padding: 13px 16px;
      display: flex; align-items: center; gap: 10px;
    }
    .hw2-pill {
      flex: 1; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.07);
      border-radius: 99px; padding: 0 18px; height: 44px; display: flex; align-items: center;
    }
    .hw2-field {
      width: 100%; background: transparent; border: none; outline: none;
      color: rgba(242,240,236,.62); font-family: 'Inter', sans-serif;
      font-size: .88rem; pointer-events: none;
    }
    .hw2-field::placeholder { color: rgba(242,240,236,.2); }
    .hw2-send {
      width: 40px; height: 40px; border-radius: 50%;
      background: rgba(242,240,236,.85); border: none;
      display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    }
    .hw2-send svg { width: 14px; height: 14px; color: #0F0E0D; }
    /* Widget message elements */
    .hw2-user { align-self: flex-end; background: #2A2A2C; color: #F2F0EC; padding: 11px 16px; border-radius: 16px 16px 4px 16px; max-width: 84%; font-size: .9rem; line-height: 1.5; font-family: 'Inter', sans-serif; margin-bottom: 14px; opacity: 0; transform: translateY(4px); transition: opacity .25s, transform .25s; }
    .hw2-user.in { opacity: 1; transform: none; }
    .hw2-think { margin-bottom: 10px; opacity: 0; transform: translateY(3px); transition: opacity .25s, transform .25s; }
    .hw2-think.in { opacity: 1; transform: none; }
    .hw2-think-lbl { font-family: 'Plus Jakarta Sans', sans-serif; font-size: .82rem; font-weight: 600; color: rgba(242,240,236,.5); margin-bottom: 7px; }
    .hw2-tool { border-left: 2px solid rgba(255,255,255,.08); padding: 4px 0 4px 10px; margin-bottom: 4px; opacity: 0; transform: translateX(-3px); transition: opacity .2s, transform .2s; }
    .hw2-tool.in { opacity: 1; transform: none; }
    .hw2-tool-n { font-size: .75rem; color: rgba(242,240,236,.44); font-family: 'Inter', sans-serif; margin-bottom: 2px; }
    .hw2-tool-q { font-family: 'JetBrains Mono','SF Mono',monospace; font-size: .64rem; color: rgba(242,240,236,.2); }
    .hw2-ai { display: flex; align-items: flex-start; gap: 10px; margin-top: 16px; opacity: 0; transform: translateY(4px); transition: opacity .28s, transform .28s; }
    .hw2-ai.in { opacity: 1; transform: none; }
    .hw2-ai-av { width: 30px; height: 30px; border-radius: 50%; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center; font-family: 'Plus Jakarta Sans', sans-serif; font-size: .58rem; font-weight: 800; color: rgba(242,240,236,.38); flex-shrink: 0; }
    .hw2-ai-body { font-family: 'Inter', sans-serif; font-size: .9rem; line-height: 1.7; color: rgba(242,240,236,.8); flex: 1; }
    .hw2-ai-body strong { color: #F2F0EC; font-weight: 600; }
    @keyframes hw2Blink { 0%,100%{opacity:1} 50%{opacity:0} }
    .hw2-cursor { display: inline-block; width: 1.5px; height: .88em; background: rgba(242,240,236,.5); vertical-align: text-bottom; margin-left: 1px; animation: hw2Blink .7s ease infinite; }

    @media (max-width: 960px) {
      #scene-hero { padding: 80px 24px 60px; }
      .hero-inner { align-items: center; text-align: center; flex: none; max-width: 100%; }
      .hero-actions { justify-content: center; }
      .hero-tags { justify-content: center; }
      .hero-wordmark { top: 20px; left: 20px; }
    }
    @media (max-width: 640px) {
      .hero-headline { font-size: clamp(2.4rem, 10vw, 3.8rem); }
    }

    /* ═══════════════════════════════════════════════════════════
       SCENE 0 — DEMO  ("Ask it anything.")
    ═══════════════════════════════════════════════════════════ */
    #scene-0 {
      background: var(--bg);
      padding: 0 6vw; gap: 0;
    }
    #scene0Canvas {
      position: absolute; inset: 0; width: 100%; height: 100%;
      opacity: 0.42; z-index: 0;
    }
    .demo-glow {
      position: absolute; width: 560px; height: 560px;
      background: radial-gradient(circle, rgba(255,255,255,0.025) 0%, transparent 65%);
      border-radius: 50%; filter: blur(80px);
      pointer-events: none; z-index: 0;
    }
    /* Noise overlay */
    #scene-0::before {
      content: ''; position: absolute; inset: 0;
      pointer-events: none; z-index: 0; opacity: 0.028;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
      background-repeat: repeat; background-size: 300px 300px;
    }

    /* Left column */
    .demo-left {
      flex: 0 0 38%; padding-right: 48px;
      display: flex; flex-direction: column; justify-content: center;
    }
    .demo-badge {
      display: inline-flex; align-items: center;
      border: 1px solid var(--pill-border); border-radius: 99px;
      padding: 5px 14px; font-family: 'Inter', sans-serif; font-size: 11px;
      font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
      color: var(--text2); margin-bottom: 28px; width: fit-content;
    }
    .demo-headline {
      font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 900;
      font-size: clamp(2.8rem, 6vw, 8rem);
      letter-spacing: -0.035em; line-height: 1.0;
      color: var(--text); margin-bottom: 24px;
    }
    .demo-sub {
      font-family: 'Inter', sans-serif; font-weight: 300;
      font-size: clamp(15px, 1.3vw, 19px); line-height: 1.85;
      color: var(--text2); margin-bottom: 32px;
    }
    .demo-features { display: flex; flex-direction: column; gap: 8px; }
    .demo-feature-line { font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 400; color: var(--text3); }
    .demo-feature-line span { color: var(--text2); margin-right: 6px; }

    /* Right column: 3-D browser frame */
    .demo-right {
      flex: 0 0 62%; display: flex; align-items: center; justify-content: center;
      position: relative;
    }
    .demo-frame-wrap {
      position: relative; z-index: 1; width: 100%; max-width: 900px;
      transform: perspective(1600px) rotateY(-12deg) rotateX(5deg);
      transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .demo-frame-wrap:hover { transform: perspective(1600px) rotateY(-6deg) rotateX(2.5deg); }
    .scene.visible .anim.demo-frame-wrap { transform: perspective(1600px) rotateY(-12deg) rotateX(5deg); }
    .scene.visible .anim.demo-frame-wrap:hover { transform: perspective(1600px) rotateY(-6deg) rotateX(2.5deg); }
    .demo-browser-chrome {
      background: #1B1A18; border-radius: 0;
      padding: 12px 16px; display: flex; align-items: center; gap: 12px;
      border: 1px solid rgba(255,255,255,0.06); border-bottom: none; border-top: none;
      box-shadow: -24px 40px 100px rgba(0,0,0,0.65), 0 0 0 1px rgba(255,255,255,0.06), inset 0 1px 0 rgba(255,255,255,0.06);
    }
    .chrome-url {
      flex: 1; background: rgba(255,255,255,0.06); border-radius: 6px;
      padding: 5px 12px; font-family: 'Inter', sans-serif;
      font-size: 11px; color: rgba(242,240,236,0.3);
    }
    .demo-chat-area {
      background: #111110; border: 1px solid rgba(255,255,255,0.06);
      border-top: none; border-radius: 0 0 16px 16px;
      box-shadow: -24px 40px 100px rgba(0,0,0,0.65); overflow: hidden;
    }
    .demo-messages {
      padding: 24px 24px 8px; height: 520px;
      display: flex; flex-direction: column; gap: 0;
      overflow-y: auto; overflow-x: hidden; scrollbar-width: none;
      -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 44px, #000 calc(100% - 44px), transparent 100%);
      mask-image: linear-gradient(to bottom, transparent 0, #000 44px, #000 calc(100% - 44px), transparent 100%);
    }
    .demo-messages::-webkit-scrollbar { display: none; }

    .demo-user {
      align-self: flex-end; background: #2C2C2E; color: #F2F0EC;
      padding: 11px 18px; border-radius: 18px 18px 4px 18px;
      max-width: 76%; font-family: 'Inter', sans-serif;
      font-size: 0.95rem; line-height: 1.5; margin-bottom: 16px;
      opacity: 0; transform: translateY(6px);
      transition: opacity 0.3s ease, transform 0.3s ease;
    }
    .demo-user.in { opacity: 1; transform: none; }

    .demo-thinking-row {
      align-self: flex-start; width: 100%; margin-bottom: 6px;
      opacity: 0; transform: translateY(5px);
      transition: opacity 0.3s, transform 0.3s;
    }
    .demo-thinking-row.in { opacity: 1; transform: none; }
    .demo-thinking-header { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
    .demo-agent-avs { display: flex; align-items: center; }
    .demo-av {
      width: 22px; height: 22px; border-radius: 50%;
      border: 2px solid #111110; margin-left: -6px; flex-shrink: 0;
    }
    .demo-av:first-child { margin-left: 0; }
    .demo-av-count {
      background: #2C2C2E; color: rgba(242,240,236,.55);
      font-family: 'Inter', sans-serif; font-size: 0.58rem; font-weight: 700;
      border-radius: 99px; border: 2px solid #111110;
      height: 22px; padding: 0 6px;
      display: flex; align-items: center; margin-left: -6px;
    }
    .demo-thinking-label { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 0.88rem; font-weight: 600; color: rgba(242,240,236,.6); }
    .demo-thinking-sep  { color: rgba(242,240,236,.22); margin: 0 2px; }
    .demo-thinking-time { color: rgba(242,240,236,.35); font-weight: 400; }
    .demo-tool-calls { display: flex; flex-direction: column; gap: 0; }
    .demo-tool-row {
      border-top: 1px solid rgba(255,255,255,.05); padding: 10px 0 6px;
      opacity: 0; transform: translateY(4px);
      transition: opacity 0.22s ease, transform 0.22s ease;
    }
    .demo-tool-row.in { opacity: 1; transform: none; }
    .demo-tool-top { display: flex; align-items: center; gap: 6px; margin-bottom: 3px; }
    .demo-tool-icon { width: 14px; height: 14px; color: rgba(242,240,236,.28); flex-shrink: 0; }
    .demo-tool-name  { flex: 1; font-size: 0.82rem; color: rgba(242,240,236,.58); font-weight: 500; font-family: 'Inter', sans-serif; }
    .demo-tool-results { font-size: 0.72rem; color: rgba(242,240,236,.35); margin-right: 8px; font-family: 'Inter', sans-serif; }
    .demo-tav-group { display: flex; }
    .demo-tav { width: 16px; height: 16px; border-radius: 50%; border: 2px solid #111110; margin-left: -4px; }
    .demo-tav:first-child { margin-left: 0; }
    .demo-tool-query { font-family: 'JetBrains Mono','SF Mono','Fira Code',monospace; font-size: 0.72rem; color: rgba(242,240,236,.26); letter-spacing: 0.01em; }

    .demo-ai { display: flex; align-items: flex-start; gap: 12px; margin-top: 20px; opacity: 0; transform: translateY(5px); transition: opacity 0.3s ease, transform 0.3s ease; }
    .demo-ai.in { opacity: 1; transform: none; }
    .demo-ai-av {
      width: 30px; height: 30px; border-radius: 50%;
      background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
      display: flex; align-items: center; justify-content: center;
      font-family: 'Plus Jakarta Sans', sans-serif; font-size: 0.55rem; font-weight: 800;
      color: rgba(242,240,236,.45); flex-shrink: 0; margin-top: 2px;
    }
    .demo-ai-body { font-family: 'Inter', sans-serif; font-size: 0.95rem; line-height: 1.7; color: rgba(242,240,236,.82); flex: 1; }
    .demo-ai-body strong { color: #F2F0EC; font-weight: 600; }

    @keyframes demoBlink { 0%,100%{opacity:1} 50%{opacity:0} }
    .demo-cursor { display: inline-block; width: 1.5px; height: 0.85em; background: rgba(242,240,236,.55); vertical-align: text-bottom; margin-left: 1px; animation: demoBlink 0.7s ease infinite; }

    .demo-input-bar {
      border-top: 1px solid rgba(255,255,255,.05); padding: 12px 16px;
      display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,.015);
    }
    .demo-input-pill {
      flex: 1; display: flex; align-items: center; gap: 8px;
      background: rgba(255,255,255,.048); border: 1px solid rgba(255,255,255,.07);
      border-radius: 99px; padding: 0 18px; height: 46px;
    }
    .demo-plus { font-size: 1rem; color: rgba(242,240,236,.25); cursor: default; flex-shrink: 0; line-height: 1; }
    .demo-input-field { flex: 1; background: transparent; border: none; outline: none; color: rgba(242,240,236,.78); font-family: 'Inter', sans-serif; font-size: 0.9rem; min-width: 0; pointer-events: none; }
    .demo-input-field::placeholder { color: rgba(242,240,236,.2); }
    .demo-search-chip { display: flex; align-items: center; gap: 3px; font-family: 'Inter', sans-serif; font-size: 0.65rem; color: rgba(242,240,236,.25); flex-shrink: 0; border: none; background: none; cursor: default; }
    .demo-search-chip svg { width: 8px; height: 8px; }
    .demo-mic-btn { width: 32px; height: 32px; border-radius: 50%; background: none; border: none; display: flex; align-items: center; justify-content: center; cursor: default; flex-shrink: 0; }
    .demo-mic-btn svg { width: 14px; height: 14px; color: rgba(242,240,236,.25); }
    .demo-send-btn { width: 40px; height: 40px; border-radius: 50%; background: rgba(242,240,236,.88); border: none; display: flex; align-items: center; justify-content: center; cursor: default; flex-shrink: 0; }
    .demo-send-btn svg { width: 16px; height: 16px; color: #111110; }
    .demo-stop-btn { width: 40px; height: 40px; border-radius: 50%; background: rgba(242,240,236,.88); border: none; display: none; align-items: center; justify-content: center; cursor: default; flex-shrink: 0; transition: transform .15s, background .15s; }
    .demo-stop-btn.pulse { background: #F2F0EC; transform: scale(0.9); }
    .demo-stop-icon { width: 10px; height: 10px; background: #111110; border-radius: 2px; }

    @media (max-width: 860px) {
      #scene-0 { flex-direction: column; padding: 48px 6vw; align-items: flex-start; height: auto; min-height: 100vh; }
      .demo-left { flex: none; width: 100%; padding-right: 0; margin-bottom: 32px; }
      .demo-right { flex: none; width: 100%; }
      .demo-frame-wrap { transform: none !important; max-width: 100%; }
    }

    /* ═══════════════════════════════════════════════════════════
       SCENE 1 — HOW IT WORKS
    ═══════════════════════════════════════════════════════════ */
    #scene-1 { background: var(--bg); padding: 0 6vw; gap: 0; }
    :root[data-theme="dark"] #scene-1::before {
      opacity: 1 !important;
      background-image:
        linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px) !important;
      background-size: 72px 72px, 72px 72px, 18px 18px, 18px 18px !important;
      background-repeat: repeat !important;
      filter: blur(0.3px);
      -webkit-mask-image: radial-gradient(ellipse 88% 82% at 50% 50%, black 0%, transparent 100%) !important;
      mask-image: radial-gradient(ellipse 88% 82% at 50% 50%, black 0%, transparent 100%) !important;
      content: '';
      position: absolute; inset: 0; pointer-events: none; z-index: 0;
    }
    :root[data-theme="light"] #scene-1::before {
      opacity: 1 !important;
      background-image:
        linear-gradient(rgba(0,0,0,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,.06) 1px, transparent 1px),
        linear-gradient(rgba(0,0,0,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,.02) 1px, transparent 1px) !important;
      background-size: 72px 72px, 72px 72px, 18px 18px, 18px 18px !important;
      background-repeat: repeat !important;
      filter: blur(0.3px);
      -webkit-mask-image: radial-gradient(ellipse 88% 82% at 50% 50%, black 0%, transparent 100%) !important;
      mask-image: radial-gradient(ellipse 88% 82% at 50% 50%, black 0%, transparent 100%) !important;
      content: '';
      position: absolute; inset: 0; pointer-events: none; z-index: 0;
    }
    .how-left { flex: 0 0 38%; padding-right: 48px; display: flex; flex-direction: column; justify-content: center; }
    .how-label { font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text2); margin-bottom: 16px; }
    .how-headline { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 900; font-size: clamp(2.4rem, 5vw, 5rem); letter-spacing: -0.035em; line-height: 1.0; color: var(--text); margin-bottom: 20px; }
    .how-eq { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
    .how-eq-item { background: var(--pill-bg); border: 1px solid var(--pill-border); border-radius: 6px; padding: 4px 12px; font-family: 'Inter', sans-serif; font-size: 0.8rem; font-weight: 500; color: var(--text2); }
    .how-eq-result { background: var(--surface); border-color: var(--border2); color: var(--text); }
    .how-eq-op { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 1.1rem; font-weight: 700; color: var(--text3); }
    .how-body { font-family: 'Inter', sans-serif; font-weight: 300; font-size: clamp(14px, 1.2vw, 17px); line-height: 1.9; color: var(--text2); margin-bottom: 28px; }
    .how-body strong { color: var(--text); font-weight: 500; }
    .how-stack-lbl { font-family: 'Inter', sans-serif; font-size: 10px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--text3); margin-bottom: 12px; }
    .how-stack-icons { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
    .how-stack-icon { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
    .how-pills { display: flex; gap: 8px; flex-wrap: wrap; }
    .how-pill { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border); border-radius: 99px; padding: 6px 14px; font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 500; color: var(--text2); }

    .how-right { flex: 0 0 62%; display: flex; align-items: center; justify-content: center; position: relative; }
    .how-glow { position: absolute; width: 500px; height: 500px; background: radial-gradient(circle, rgba(255,255,255,0.022) 0%, transparent 65%); border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 0; }
    .how-frame-wrap { position: relative; z-index: 1; width: 100%; max-width: 880px; transform: perspective(1600px) rotateY(-10deg) rotateX(4deg); transition: transform .5s cubic-bezier(.25,.46,.45,.94); }
    .how-frame-wrap:hover { transform: perspective(1600px) rotateY(-5deg) rotateX(2deg); }
    .scene.visible .anim.how-frame-wrap { transform: perspective(1600px) rotateY(-10deg) rotateX(4deg); }
    .scene.visible .anim.how-frame-wrap:hover { transform: perspective(1600px) rotateY(-5deg) rotateX(2deg); }

    .how-chrome { background: #1B1A18; border-radius: 0; padding: 12px 16px; display: flex; align-items: center; gap: 12px; border: 1px solid rgba(255,255,255,.06); border-bottom: none; border-top: none; box-shadow: -24px 40px 100px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.06), inset 0 1px 0 rgba(255,255,255,.06); }
    .how-chrome-url { flex: 1; background: rgba(255,255,255,.06); border-radius: 6px; padding: 5px 12px; font-family: 'Inter', sans-serif; font-size: 11px; color: rgba(242,240,236,.3); white-space: nowrap; overflow: hidden; }
    .how-body-wrap { background: #111110; border: 1px solid rgba(255,255,255,.06); border-top: none; border-radius: 0 0 16px 16px; overflow: hidden; position: relative; min-height: 560px; box-shadow: -20px 36px 90px rgba(0,0,0,.6); }
    .how-site { padding: 14px; position: relative; overflow: hidden; }
    .how-site-nav { display: flex; align-items: center; justify-content: space-between; padding-bottom: 10px; margin-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.04); }
    .how-site-links { display: flex; gap: 8px; }
    .hsl { background: rgba(255,255,255,.07); border-radius: 4px; flex-shrink: 0; }
    .how-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
    .how-card { background: rgba(255,255,255,.04); border-radius: 8px; overflow: hidden; }
    .how-card-img  { height: 64px; background: rgba(255,255,255,.05); }
    .how-card-line1 { height: 9px; background: rgba(255,255,255,.07); border-radius: 3px; margin: 8px 8px 4px; }
    .how-card-line2 { height: 7px; background: rgba(255,255,255,.05); border-radius: 3px; margin: 0 8px 8px; width: 60%; }

    .hw-bubble { position: absolute; bottom: 14px; left: 14px; width: 44px; height: 44px; border-radius: 50%; background: rgba(242,240,236,.9); border: none; display: flex; align-items: center; justify-content: center; z-index: 10; box-shadow: 0 4px 18px rgba(0,0,0,.5); cursor: default; }
    .hw-bubble svg { width: 18px; height: 18px; color: #0A0908; }
    @keyframes hwBounce { 0%,100%{transform:translateY(0) scale(1)} 50%{transform:translateY(-6px) scale(1.06)} }
    @keyframes hwClick  { 0%{transform:scale(1)} 50%{transform:scale(.88)} 100%{transform:scale(1)} }
    .hw-bubble.bounce { animation: hwBounce .55s ease; }
    .hw-bubble.click  { animation: hwClick  .22s ease; }

    .hw-panel { position: absolute; bottom: 14px; left: 14px; width: 380px; height: 520px; border-radius: 14px; background: #141413; border: 1px solid rgba(255,255,255,.08); box-shadow: 0 14px 55px rgba(0,0,0,.7); display: none; flex-direction: column; z-index: 10; overflow: hidden; }
    @keyframes hwExpand  { 0%{opacity:0;transform:scale(.85) translateY(12px)} 100%{opacity:1;transform:scale(1) translateY(0)} }
    @keyframes hwCollapse{ 0%{opacity:1;transform:scale(1)} 100%{opacity:0;transform:scale(.88) translateY(8px)} }
    .hw-panel.open  { display: flex; animation: hwExpand  .48s cubic-bezier(.34,1.5,.64,1) forwards; }
    .hw-panel.close { animation: hwCollapse .3s ease forwards; }

    .hw-ph { padding: 12px 14px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(255,255,255,.06); flex-shrink: 0; }
    .hw-ph-av { width: 30px; height: 30px; border-radius: 50%; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center; font-family: 'Plus Jakarta Sans', sans-serif; font-size: .6rem; font-weight: 800; color: rgba(242,240,236,.55); flex-shrink: 0; }
    .hw-ph-info { flex: 1; }
    .hw-ph-title { font-family: 'Inter', sans-serif; font-size: .82rem; font-weight: 600; color: rgba(242,240,236,.85); }
    .hw-ph-sub   { font-family: 'Inter', sans-serif; font-size: .65rem; color: rgba(242,240,236,.32); margin-top: 2px; }
    .hw-ph-x     { color: rgba(242,240,236,.3); cursor: default; }
    .hw-messages { flex: 1; padding: 14px 16px; overflow-y: auto; overflow-x: hidden; scrollbar-width: none; display: flex; flex-direction: column; -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 32px, #000 calc(100% - 24px), transparent 100%); mask-image: linear-gradient(to bottom, transparent 0, #000 32px, #000 calc(100% - 24px), transparent 100%); }
    .hw-messages::-webkit-scrollbar { display: none; }
    .hw-ibar { border-top: 1px solid rgba(255,255,255,.05); padding: 11px 13px; display: flex; align-items: center; gap: 9px; flex-shrink: 0; }
    .hw-ipill { flex: 1; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.07); border-radius: 99px; padding: 0 14px; height: 38px; display: flex; align-items: center; }
    .hw-ifield { flex: 1; background: transparent; border: none; outline: none; color: rgba(242,240,236,.75); font-family: 'Inter', sans-serif; font-size: .82rem; pointer-events: none; }
    .hw-ifield::placeholder { color: rgba(242,240,236,.2); }
    .hw-sbtn { width: 32px; height: 32px; border-radius: 50%; background: rgba(242,240,236,.85); border: none; display: flex; align-items: center; justify-content: center; cursor: default; flex-shrink: 0; }
    .hw-sbtn svg { width: 13px; height: 13px; color: #141413; }
    .hw-stopbtn { width: 32px; height: 32px; border-radius: 50%; background: rgba(242,240,236,.85); border: none; display: none; align-items: center; justify-content: center; cursor: default; flex-shrink: 0; }
    .hw-stopicon { width: 9px; height: 9px; background: #141413; border-radius: 2px; }
    .hwu { align-self: flex-end; background: #2C2C2E; color: #F2F0EC; padding: 9px 14px; border-radius: 13px 13px 3px 13px; max-width: 82%; font-size: .82rem; line-height: 1.55; font-family: 'Inter', sans-serif; margin-bottom: 12px; opacity: 0; transform: translateY(4px); transition: opacity .28s, transform .28s; }
    .hwu.in { opacity: 1; transform: none; }
    .hwth { margin-bottom: 8px; opacity: 0; transform: translateY(4px); transition: opacity .28s, transform .28s; }
    .hwth.in { opacity: 1; transform: none; }
    .hwth-lbl { font-family: 'Plus Jakarta Sans', sans-serif; font-size: .78rem; font-weight: 600; color: rgba(242,240,236,.6); margin-bottom: 6px; }
    .hwtool { border-left: 2px solid rgba(255,255,255,.08); padding: 4px 0 4px 10px; margin-bottom: 4px; opacity: 0; transform: translateX(-4px); transition: opacity .22s, transform .22s; }
    .hwtool.in { opacity: 1; transform: none; }
    .hwtool-n { font-size: .72rem; color: rgba(242,240,236,.52); margin-bottom: 2px; font-family: 'Inter', sans-serif; }
    .hwtool-q { font-family: 'JetBrains Mono','SF Mono',monospace; font-size: .62rem; color: rgba(242,240,236,.24); }
    .hwai { display: flex; align-items: flex-start; gap: 9px; margin-top: 14px; opacity: 0; transform: translateY(4px); transition: opacity .3s, transform .3s; }
    .hwai.in { opacity: 1; transform: none; }
    .hwai-av { width: 26px; height: 26px; border-radius: 50%; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center; font-family: 'Plus Jakarta Sans', sans-serif; font-size: .55rem; font-weight: 800; color: rgba(242,240,236,.45); flex-shrink: 0; }
    .hwai-body { font-size: .82rem; line-height: 1.7; color: rgba(242,240,236,.82); font-family: 'Inter', sans-serif; flex: 1; }
    .hwai-body strong { color: #F2F0EC; font-weight: 600; }
    .hwpro { display: flex; align-items: flex-start; gap: 9px; margin-top: 14px; opacity: 0; transform: translateY(4px); transition: opacity .3s, transform .3s; }
    .hwpro.in { opacity: 1; transform: none; }
    .hwpro-inner { flex: 1; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: 10px; padding: 10px 12px; }
    .hwpro-lbl  { display: block; font-family: 'Inter', sans-serif; font-size: .62rem; font-weight: 600; color: rgba(242,240,236,.4); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 5px; }
    .hwpro-body { font-size: .8rem; line-height: 1.65; color: rgba(242,240,236,.72); font-family: 'Inter', sans-serif; }
    .hwpro-body strong { color: #F2F0EC; }
    @keyframes hwCursorBlink { 0%,100%{opacity:1} 50%{opacity:0} }
    .hwcursor { display: inline-block; width: 1.5px; height: .85em; background: rgba(242,240,236,.55); vertical-align: text-bottom; margin-left: 1px; animation: hwCursorBlink .7s ease infinite; }

    /* ─── View tabs (scene-0 demo + scene-1 how) ─────────────────── */
    .demo-view-tabs, .how-view-tabs {
      display: flex; gap: 2px;
      background: #111110; border-radius: 14px 14px 0 0;
      padding: 10px 12px 0;
      border: 1px solid rgba(255,255,255,.08); border-bottom: none;
      box-shadow: -24px 40px 100px rgba(0,0,0,.65);
    }
    .demo-view-tab, .how-view-tab {
      flex: 1; padding: 8px 6px 9px;
      background: transparent; border: none; border-radius: 7px 7px 0 0;
      font-family: 'Inter', sans-serif; font-size: .65rem; font-weight: 700;
      letter-spacing: .08em; text-transform: uppercase;
      color: rgba(242,240,236,.28); cursor: pointer;
      transition: color .18s, background .18s;
      white-space: nowrap;
    }
    .demo-view-tab:hover, .how-view-tab:hover { color: rgba(242,240,236,.55); background: rgba(255,255,255,.04); }
    .demo-view-tab.active, .how-view-tab.active { background: #1B1A18; color: rgba(242,240,236,.9); }

    /* ─── Light mode: view tabs ───────────────────────────────────── */
    :root[data-theme="light"] .demo-view-tabs,
    :root[data-theme="light"] .how-view-tabs { background: var(--bg2); border-color: var(--border); box-shadow: -24px 40px 100px rgba(0,0,0,.1); }
    :root[data-theme="light"] .demo-view-tab,
    :root[data-theme="light"] .how-view-tab { color: var(--text3); }
    :root[data-theme="light"] .demo-view-tab:hover,
    :root[data-theme="light"] .how-view-tab:hover { color: var(--text2); background: rgba(13,12,10,.04); }
    :root[data-theme="light"] .demo-view-tab.active,
    :root[data-theme="light"] .how-view-tab.active { background: var(--surface); color: var(--text); }

    /* hwth thinking label span classes (for light mode compatibility) */
    .hwth-sep  { color: rgba(242,240,236,.22); margin: 0 2px; }
    .hwth-time { font-weight: 400; color: rgba(242,240,236,.3); }
    :root[data-theme="light"] .hwth-sep  { color: rgba(13,12,10,.2); }
    :root[data-theme="light"] .hwth-time { color: rgba(13,12,10,.35); }

    /* ─── Light mode: hero widget (hw2-*) ─────────────────────────── */
    :root[data-theme="light"] .hw2-tabs { background: var(--bg2); border-color: var(--border); }
    :root[data-theme="light"] .hw2-tab { color: var(--text3); }
    :root[data-theme="light"] .hw2-tab:hover { color: var(--text2); background: rgba(13,12,10,.04); }
    :root[data-theme="light"] .hw2-tab.active { background: var(--surface); color: var(--text); }
    :root[data-theme="light"] .hw2-chrome { background: var(--surface); border-color: var(--border); }
    :root[data-theme="light"] .hw2-url { background: var(--pill-bg); color: var(--text3); }
    :root[data-theme="light"] .hw2-body { background: var(--bg); border-color: var(--border); }
    :root[data-theme="light"] .hw2-ibar { border-color: var(--border); }
    :root[data-theme="light"] .hw2-pill { background: var(--pill-bg); border-color: var(--pill-border); }
    :root[data-theme="light"] .hw2-field { color: var(--text2); }
    :root[data-theme="light"] .hw2-field::placeholder { color: var(--text3); }
    :root[data-theme="light"] .hw2-send { background: var(--btn-primary-bg); }
    :root[data-theme="light"] .hw2-send svg { color: var(--btn-primary-text); }
    :root[data-theme="light"] .hw2-user { background: var(--bg2); color: var(--text); }
    :root[data-theme="light"] .hw2-think-lbl { color: var(--text2); }
    :root[data-theme="light"] .hw2-tool { border-left-color: var(--border2); }
    :root[data-theme="light"] .hw2-tool-n { color: var(--text2); }
    :root[data-theme="light"] .hw2-tool-q { color: var(--text3); }
    :root[data-theme="light"] .hw2-ai-av { background: var(--pill-bg); border-color: var(--border2); color: var(--text3); }
    :root[data-theme="light"] .hw2-ai-body { color: var(--text); }
    :root[data-theme="light"] .hw2-ai-body strong { color: var(--text); }
    :root[data-theme="light"] .hw2-cursor { background: var(--text2); }

    /* ─── Light mode: demo browser (scene-0) ──────────────────────── */
    :root[data-theme="light"] .demo-browser-chrome { background: var(--surface); border-color: var(--border); box-shadow: -24px 40px 100px rgba(0,0,0,.1), 0 0 0 1px var(--border); }
    :root[data-theme="light"] .chrome-url { background: var(--pill-bg); color: var(--text3); }
    :root[data-theme="light"] .demo-chat-area { background: var(--bg); border-color: var(--border); box-shadow: -24px 40px 100px rgba(0,0,0,.07); }
    :root[data-theme="light"] .demo-user { background: var(--bg2); color: var(--text); }
    :root[data-theme="light"] .demo-av { border-color: var(--bg); }
    :root[data-theme="light"] .demo-av-count { background: var(--bg2); color: var(--text2); border-color: var(--bg); }
    :root[data-theme="light"] .demo-thinking-label { color: var(--text2); }
    :root[data-theme="light"] .demo-thinking-sep { color: var(--text3); }
    :root[data-theme="light"] .demo-thinking-time { color: var(--text3); }
    :root[data-theme="light"] .demo-tool-row { border-top-color: var(--border); }
    :root[data-theme="light"] .demo-tool-icon { color: var(--text3); }
    :root[data-theme="light"] .demo-tool-name { color: var(--text2); }
    :root[data-theme="light"] .demo-tool-results { color: var(--text3); }
    :root[data-theme="light"] .demo-tav { border-color: var(--bg); }
    :root[data-theme="light"] .demo-tool-query { color: var(--text3); }
    :root[data-theme="light"] .demo-ai-av { background: var(--pill-bg); border-color: var(--border2); color: var(--text3); }
    :root[data-theme="light"] .demo-ai-body { color: var(--text); }
    :root[data-theme="light"] .demo-ai-body strong { color: var(--text); }
    :root[data-theme="light"] .demo-cursor { background: var(--text2); }
    :root[data-theme="light"] .demo-input-bar { border-top-color: var(--border); background: transparent; }
    :root[data-theme="light"] .demo-input-pill { background: var(--pill-bg); border-color: var(--pill-border); }
    :root[data-theme="light"] .demo-plus { color: var(--text3); }
    :root[data-theme="light"] .demo-input-field { color: var(--text); }
    :root[data-theme="light"] .demo-input-field::placeholder { color: var(--text3); }
    :root[data-theme="light"] .demo-search-chip { color: var(--text3); }
    :root[data-theme="light"] .demo-mic-btn svg { color: var(--text3); }
    :root[data-theme="light"] .demo-send-btn { background: var(--btn-primary-bg); }
    :root[data-theme="light"] .demo-send-btn svg { color: var(--btn-primary-text); }
    :root[data-theme="light"] .demo-stop-btn { background: var(--btn-primary-bg); }
    :root[data-theme="light"] .demo-stop-icon { background: var(--btn-primary-text); }

    /* ─── Light mode: how-it-works frame (scene-1) ────────────────── */
    :root[data-theme="light"] .how-chrome { background: var(--surface); border-color: var(--border); box-shadow: -24px 40px 100px rgba(0,0,0,.1), 0 0 0 1px var(--border); }
    :root[data-theme="light"] .how-chrome-url { background: var(--pill-bg); color: var(--text3); }
    :root[data-theme="light"] .how-body-wrap { background: var(--bg); border-color: var(--border); box-shadow: -20px 36px 90px rgba(0,0,0,.07); }
    :root[data-theme="light"] .how-site-nav { border-bottom-color: var(--border); }
    :root[data-theme="light"] .hsl { background: var(--border2); }
    :root[data-theme="light"] .how-card { background: var(--bg2); }
    :root[data-theme="light"] .how-card-img { background: var(--border); }
    :root[data-theme="light"] .how-card-line1 { background: var(--border2); }
    :root[data-theme="light"] .how-card-line2 { background: var(--border); }
    :root[data-theme="light"] .hw-panel { background: var(--surface); border-color: var(--border); box-shadow: 0 14px 55px rgba(0,0,0,.12); }
    :root[data-theme="light"] .hw-ph { border-bottom-color: var(--border); }
    :root[data-theme="light"] .hw-ph-av { background: var(--pill-bg); border-color: var(--border2); color: var(--text3); }
    :root[data-theme="light"] .hw-ph-title { color: var(--text); }
    :root[data-theme="light"] .hw-ph-sub { color: var(--text3); }
    :root[data-theme="light"] .hw-ph-x { color: var(--text3); }
    :root[data-theme="light"] .hw-ibar { border-top-color: var(--border); }
    :root[data-theme="light"] .hw-ipill { background: var(--pill-bg); border-color: var(--pill-border); }
    :root[data-theme="light"] .hw-ifield { color: var(--text2); }
    :root[data-theme="light"] .hw-ifield::placeholder { color: var(--text3); }
    :root[data-theme="light"] .hw-sbtn { background: var(--btn-primary-bg); }
    :root[data-theme="light"] .hw-sbtn svg { color: var(--btn-primary-text); }
    :root[data-theme="light"] .hw-stopbtn { background: var(--btn-primary-bg); }
    :root[data-theme="light"] .hw-stopicon { background: var(--btn-primary-text); }
    :root[data-theme="light"] .hwu { background: var(--bg2); color: var(--text); }
    :root[data-theme="light"] .hwth-lbl { color: var(--text2); }
    :root[data-theme="light"] .hwtool { border-left-color: var(--border2); }
    :root[data-theme="light"] .hwtool-n { color: var(--text2); }
    :root[data-theme="light"] .hwtool-q { color: var(--text3); }
    :root[data-theme="light"] .hwai-av { background: var(--pill-bg); border-color: var(--border2); color: var(--text3); }
    :root[data-theme="light"] .hwai-body { color: var(--text); }
    :root[data-theme="light"] .hwai-body strong { color: var(--text); }
    :root[data-theme="light"] .hwpro-inner { background: var(--pill-bg); border-color: var(--border); }
    :root[data-theme="light"] .hwpro-lbl { color: var(--text3); }
    :root[data-theme="light"] .hwpro-body { color: var(--text2); }
    :root[data-theme="light"] .hwpro-body strong { color: var(--text); }
    :root[data-theme="light"] .hwcursor { background: var(--text2); }

    @media (max-width: 860px) {
      #scene-1 { flex-direction: column; padding: 48px 6vw; align-items: flex-start; height: auto; min-height: 100vh; overflow-y: auto; }
      .how-left { flex: none; width: 100%; padding-right: 0; margin-bottom: 32px; }
      .how-right { flex: none; width: 100%; }
      .how-frame-wrap { transform: none !important; max-width: 100%; }
    }

    /* ═══════════════════════════════════════════════════════════
       SCENE 2 — CTA
    ═══════════════════════════════════════════════════════════ */
    #scene-2 {
      background: var(--bg);
      flex-direction: column;
      text-align: center;
      padding: 0 24px;
    }
    /* Concentric rings — adapt to theme */
    #scene-2::before {
      content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
      opacity: 1 !important;
      background-image: repeating-radial-gradient(
        circle at 50% 50%,
        transparent 0px, transparent 139px,
        var(--border) 140px, var(--border) 141px
      ) !important;
      background-size: 100% 100% !important;
    }
    .cta-glow {
      position: absolute; top: -120px; left: 50%; transform: translateX(-50%);
      width: 800px; height: 800px;
      background: radial-gradient(circle, rgba(128,128,128,0.04) 0%, transparent 65%);
      pointer-events: none; z-index: 0;
    }
    .cta-badge {
      display: inline-flex; align-items: center;
      border: 1px solid var(--pill-border); border-radius: 99px;
      background: var(--pill-bg);
      padding: 5px 14px; font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 600;
      letter-spacing: 0.14em; text-transform: uppercase;
      color: var(--text2); margin-bottom: 32px;
    }
    .cta-headline {
      font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 900;
      font-size: clamp(3.5rem, 10vw, 11rem);
      letter-spacing: -0.045em; line-height: 0.92;
      color: var(--text);
      max-width: 1000px; margin-bottom: 32px;
    }
    :root[data-theme="dark"] .cta-headline {
      background: linear-gradient(165deg, #fff 0%, #fff 45%, rgba(242,240,236,0.5) 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    :root[data-theme="light"] .cta-headline {
      background: linear-gradient(165deg, #000 0%, #000 45%, rgba(13,12,10,0.5) 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .cta-sub { font-family: 'Inter', sans-serif; font-weight: 300; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.75; color: var(--text2); max-width: 520px; margin-bottom: 36px; }
    .cta-proof { display: inline-flex; align-items: center; gap: 10px; background: var(--pill-bg); border: 1px solid var(--border2); border-radius: 10px; padding: 10px 18px; margin-bottom: 28px; }
    .cta-proof-avs { display: flex; }
    .cta-proof-av { width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--bg); margin-left: -7px; flex-shrink: 0; }
    .cta-proof-av:first-child { margin-left: 0; }
    .cta-proof-text { font-family: 'Inter', sans-serif; font-size: 13px; color: var(--text2); }
    .cta-proof-text strong { color: var(--text); font-weight: 600; }
    .cta-form-wrap { width: 100%; max-width: 440px; margin: 0 auto 14px; }
    .cta-success { display: none; align-items: center; justify-content: center; gap: 10px; height: 52px; background: var(--pill-bg); border: 1px solid var(--border2); border-radius: 10px; font-family: 'Inter', sans-serif; font-size: .9rem; color: var(--text2); font-weight: 500; }
    .cta-form-row { display: flex; border: 1px solid var(--border2); border-radius: 10px; overflow: hidden; background: var(--surface); }
    .cta-email-input { flex: 1; min-width: 0; height: 52px; padding: 0 18px; background: transparent; border: none; color: var(--text); font-family: 'Inter', sans-serif; font-size: .9rem; outline: none; }
    .cta-email-input::placeholder { color: var(--text3); }
    .cta-submit-btn { height: 52px; padding: 0 22px; background: var(--btn-primary-bg); color: var(--btn-primary-text); border: none; font-family: 'Plus Jakarta Sans', sans-serif; font-size: .85rem; font-weight: 700; letter-spacing: .01em; cursor: pointer; white-space: nowrap; transition: opacity .15s; }
    .cta-submit-btn:hover { opacity: .82; }
    .cta-fomo { font-family: 'Inter', sans-serif; font-size: .72rem; color: var(--text3); letter-spacing: .05em; margin-bottom: 4px; }
    .cta-fine { font-family: 'Inter', sans-serif; font-size: .68rem; color: var(--text3); letter-spacing: .03em; }
    @media (max-width: 480px) { .cta-submit-btn { padding: 0 14px; font-size: .8rem; } }
    /* ─── How-it-works: solid pill + icon backgrounds ───────────── */
    .how-pill { background: var(--surface); }
    .how-stack-icon { position: relative; isolation: isolate; }
    .how-stack-icon::before {
      content: ''; position: absolute; inset: 0; border-radius: 50%;
      background: var(--surface); z-index: -1;
    }

    /* ─── Tools modal ─────────────────────────────────────────────── */
    .tool-link {
      color: var(--text); text-decoration: none; border-bottom: 1px dashed var(--text3);
      cursor: pointer; transition: border-color .15s, color .15s;
    }
    .tool-link:hover { color: var(--text); border-bottom-color: var(--text2); }

    #toolModal {
      display: none; position: fixed; inset: 0; z-index: 9000;
      align-items: center; justify-content: center; padding: 24px;
    }
    #toolModal.open { display: flex; }
    #toolModal-backdrop {
      position: absolute; inset: 0;
      background: rgba(0,0,0,.5);
      backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    }
    #toolModal-box {
      position: relative; z-index: 1;
      background: var(--surface);
      border: 1px solid var(--border2);
      border-radius: 20px;
      width: 100%; max-width: 640px;
      max-height: 90vh; overflow-y: auto;
      box-shadow: 0 32px 80px rgba(0,0,0,.45), 0 0 0 1px rgba(255,255,255,.04);
      padding: 40px 40px 36px;
    }
    #toolModal-close {
      position: absolute; top: 16px; right: 16px;
      width: 32px; height: 32px; border-radius: 50%;
      border: 1px solid var(--border2); background: var(--pill-bg);
      color: var(--text2); font-size: 16px; line-height: 1;
      cursor: pointer; display: flex; align-items: center; justify-content: center;
      transition: background .15s, color .15s;
    }
    #toolModal-close:hover { background: var(--bg2); color: var(--text); }
    .tm-eyebrow {
      display: inline-flex; align-items: center; gap: 6px;
      background: var(--pill-bg); border: 1px solid var(--pill-border);
      border-radius: 99px; padding: 4px 12px;
      font-family: 'Inter', sans-serif; font-size: 10px; font-weight: 700;
      letter-spacing: .1em; text-transform: uppercase; color: var(--text3);
      margin-bottom: 20px;
    }
    .tm-h { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
      font-size: clamp(1.5rem, 3.5vw, 2.1rem); letter-spacing: -.03em;
      color: var(--text); line-height: 1.15; margin-bottom: 10px; }
    .tm-sub { font-family: 'Inter', sans-serif; font-size: .9rem; font-weight: 300;
      color: var(--text2); line-height: 1.7; margin-bottom: 28px; }
    .tm-steps { display: flex; flex-direction: column; gap: 0; margin-bottom: 28px; }
    .tm-step {
      display: flex; gap: 16px; align-items: flex-start; padding: 16px 0;
      border-bottom: 1px solid var(--border);
    }
    .tm-step:last-child { border-bottom: none; }
    .tm-step-num {
      flex: 0 0 28px; height: 28px; border-radius: 50%;
      background: var(--btn-primary-bg); color: var(--btn-primary-text);
      font-family: 'Plus Jakarta Sans', sans-serif; font-size: 12px; font-weight: 800;
      display: flex; align-items: center; justify-content: center; margin-top: 2px;
    }
    .tm-step-body { flex: 1; }
    .tm-step-title { font-family: 'Inter', sans-serif; font-size: .88rem; font-weight: 600;
      color: var(--text); margin-bottom: 4px; }
    .tm-step-desc { font-family: 'Inter', sans-serif; font-size: .82rem; font-weight: 400;
      color: var(--text2); line-height: 1.6; }
    .tm-code-wrap {
      background: #111110; border: 1px solid rgba(255,255,255,.08);
      border-radius: 12px; padding: 16px 18px; margin-bottom: 28px;
      overflow-x: auto;
    }
    .tm-code-lbl { font-family: 'Inter', sans-serif; font-size: 10px; font-weight: 600;
      letter-spacing: .1em; text-transform: uppercase; color: rgba(242,240,236,.3); margin-bottom: 10px; }
    .tm-code { font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
      font-size: .75rem; line-height: 1.7; color: rgba(242,240,236,.65); white-space: pre; }
    .tm-code .kw  { color: #c084fc; }
    .tm-code .fn  { color: #7dd3fc; }
    .tm-code .str { color: #6ee7b7; }
    .tm-code .cm  { color: rgba(242,240,236,.3); font-style: italic; }
    .tm-cta { display: flex; gap: 10px; flex-wrap: wrap; }
    .tm-cta-primary {
      flex: 1; min-width: 160px; height: 46px; border-radius: 10px;
      background: var(--btn-primary-bg); color: var(--btn-primary-text);
      border: none; font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: .85rem; font-weight: 700; letter-spacing: .01em;
      cursor: pointer; transition: opacity .15s;
    }
    .tm-cta-primary:hover { opacity: .82; }
    .tm-cta-secondary {
      flex: 1; min-width: 140px; height: 46px; border-radius: 10px;
      background: transparent; color: var(--text2);
      border: 1px solid var(--border2);
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: .85rem; font-weight: 600; cursor: pointer; transition: background .15s, color .15s;
    }
    .tm-cta-secondary:hover { background: var(--pill-bg); color: var(--text); }
    @media (max-width: 600px) {
      #toolModal-box { padding: 28px 20px 24px; }
      .tm-h { font-size: 1.4rem; }
    }

    /* ════════════════════════════════════════
       SCENE-MKT — MARKETPLACE
    ════════════════════════════════════════ */
    #scene-mkt { background: var(--bg); padding: 60px 6vw; gap: 0; height: auto; min-height: 100vh; overflow: visible; }
    :root[data-theme="dark"] #scene-mkt::before {
      opacity: 1 !important;
      background-image:
        linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px) !important;
      background-size: 72px 72px, 72px 72px, 18px 18px, 18px 18px !important;
      background-repeat: repeat !important; filter: blur(0.3px);
      -webkit-mask-image: radial-gradient(ellipse 88% 82% at 50% 50%, black 0%, transparent 100%) !important;
      mask-image: radial-gradient(ellipse 88% 82% at 50% 50%, black 0%, transparent 100%) !important;
      content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
    }
    :root[data-theme="light"] #scene-mkt::before {
      opacity: 1 !important;
      background-image:
        linear-gradient(rgba(0,0,0,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,.06) 1px, transparent 1px),
        linear-gradient(rgba(0,0,0,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,.02) 1px, transparent 1px) !important;
      background-size: 72px 72px, 72px 72px, 18px 18px, 18px 18px !important;
      background-repeat: repeat !important; filter: blur(0.3px);
      -webkit-mask-image: radial-gradient(ellipse 88% 82% at 50% 50%, black 0%, transparent 100%) !important;
      mask-image: radial-gradient(ellipse 88% 82% at 50% 50%, black 0%, transparent 100%) !important;
      content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
    }
    .mkt-left  { flex: 0 0 38%; padding-right: 48px; display: flex; flex-direction: column; justify-content: center; }
    .mkt-right { flex: 0 0 62%; display: flex; align-items: center; justify-content: center; position: relative; }
    .mkt-label { font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text2); margin-bottom: 16px; }
    .mkt-headline { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 900; font-size: clamp(2.4rem, 5vw, 5rem); letter-spacing: -0.035em; line-height: 1.0; color: var(--text); margin-bottom: 20px; }
    .mkt-body { font-family: 'Inter', sans-serif; font-weight: 300; font-size: clamp(14px, 1.2vw, 17px); line-height: 1.9; color: var(--text2); margin-bottom: 24px; }
    .mkt-body strong { color: var(--text); font-weight: 500; }
    .mkt-widget-callout {
      display: flex; align-items: flex-start; gap: 12px;
      background: var(--surface); border: 1px solid var(--border2);
      border-radius: 12px; padding: 14px 16px; margin-bottom: 24px;
    }
    .mkt-wc-icon {
      flex: 0 0 32px; height: 32px; border-radius: 8px;
      background: rgba(201,162,39,.15); border: 1px solid rgba(201,162,39,.25);
      display: flex; align-items: center; justify-content: center;
      font-size: 16px; margin-top: 1px;
    }
    .mkt-wc-text { font-family: 'Inter', sans-serif; font-size: .82rem; line-height: 1.65; color: var(--text2); }
    .mkt-wc-text strong { color: var(--text); font-weight: 600; }
    .mkt-pills { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 0; }
    .mkt-pill  { display: inline-flex; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: 99px; padding: 6px 14px; font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 500; color: var(--text2); }

    /* Tabs */
    .mkt-view-tabs { display: flex; gap: 2px; background: #111110; border-radius: 14px 14px 0 0; padding: 10px 12px 0; border: 1px solid rgba(255,255,255,.08); border-bottom: none; box-shadow: -24px 40px 100px rgba(0,0,0,.65); position: relative; z-index: 2; }
    .mkt-view-tab { padding: 7px 16px; border-radius: 8px 8px 0 0; border: none; background: transparent; color: rgba(242,240,236,.35); font-family: 'Inter', sans-serif; font-size: .78rem; font-weight: 500; cursor: pointer; transition: background .18s, color .18s; white-space: nowrap; }
    .mkt-view-tab.active { background: rgba(255,255,255,.07); color: rgba(242,240,236,.82); }
    .mkt-view-tab:hover:not(.active) { color: rgba(242,240,236,.55); }

    /* Browser chrome */
    .mkt-chrome { background: #1B1A18; padding: 12px 16px; display: flex; align-items: center; gap: 12px; border: 1px solid rgba(255,255,255,.06); border-bottom: none; border-top: none; box-shadow: -24px 40px 100px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.06); }
    .mkt-chrome-url { flex: 1; background: rgba(255,255,255,.06); border-radius: 6px; padding: 5px 12px; font-family: 'Inter', sans-serif; font-size: 11px; color: rgba(242,240,236,.3); white-space: nowrap; overflow: hidden; }

    /* Body wrap — full-height chat */
    .mkt-body-wrap { background: #111110; border: 1px solid rgba(255,255,255,.06); border-top: none; border-radius: 0 0 16px 16px; overflow: hidden; position: relative; height: 860px; display: flex; flex-direction: column; box-shadow: -20px 36px 90px rgba(0,0,0,.6); }

    /* Context bar */
    .mkt-ctx-bar { flex-shrink: 0; padding: 7px 14px; border-bottom: 1px solid rgba(255,255,255,.05); background: rgba(255,255,255,.015); display: flex; align-items: center; gap: 8px; }
    .mkt-ctx-badge { display: inline-flex; align-items: center; gap: 4px; background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.22); border-radius: 99px; padding: 2px 8px; font-family: 'Inter', sans-serif; font-size: .58rem; font-weight: 700; color: #f87171; letter-spacing: .08em; text-transform: uppercase; }
    .mkt-ctx-badge.fixed { background: rgba(96,165,250,.1); border-color: rgba(96,165,250,.22); color: #93c5fd; }
    .mkt-ctx-item { font-family: 'Inter', sans-serif; font-size: .68rem; color: rgba(242,240,236,.28); flex: 1; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
    .mkt-ctx-item strong { color: rgba(242,240,236,.5); font-weight: 500; }

    /* Agent header */
    .mkt-ph { padding: 9px 14px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(255,255,255,.06); flex-shrink: 0; background: rgba(255,255,255,.01); }
    .mkt-ph-av { width: 27px; height: 27px; border-radius: 50%; background: rgba(201,162,39,.15); border: 1px solid rgba(201,162,39,.3); display: flex; align-items: center; justify-content: center; font-family: 'Plus Jakarta Sans', sans-serif; font-size: .57rem; font-weight: 800; color: rgba(201,162,39,.85); flex-shrink: 0; }
    .mkt-ph-info { flex: 1; }
    .mkt-ph-title { font-family: 'Inter', sans-serif; font-size: .79rem; font-weight: 600; color: rgba(242,240,236,.8); }
    .mkt-ph-sub   { font-family: 'Inter', sans-serif; font-size: .62rem; color: rgba(242,240,236,.27); margin-top: 1px; }

    /* Messages + input */
    .mkt-messages { flex: 1; padding: 12px 14px; overflow-y: auto; overflow-x: hidden; scrollbar-width: none; display: flex; flex-direction: column; -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 20px, #000 calc(100% - 18px), transparent 100%); mask-image: linear-gradient(to bottom, transparent 0, #000 20px, #000 calc(100% - 18px), transparent 100%); }
    .mkt-messages::-webkit-scrollbar { display: none; }
    .mkt-ibar { border-top: 1px solid rgba(255,255,255,.05); padding: 10px 12px; display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
    .mkt-ipill { flex: 1; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.07); border-radius: 99px; padding: 0 14px; height: 36px; display: flex; align-items: center; }
    .mkt-ifield { flex: 1; background: transparent; border: none; outline: none; color: rgba(242,240,236,.75); font-family: 'Inter', sans-serif; font-size: .82rem; pointer-events: none; }
    .mkt-ifield::placeholder { color: rgba(242,240,236,.2); }

    /* Frame + glow */
    .mkt-glow { position: absolute; width: 500px; height: 500px; background: radial-gradient(circle, rgba(201,162,39,.05) 0%, transparent 65%); border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 0; }
    .mkt-frame-wrap { position: relative; z-index: 1; width: 100%; max-width: 880px; transition: transform .5s cubic-bezier(.25,.46,.45,.94); }
    .mkt-frame-wrap:hover { transform: perspective(1600px) rotateY(-5deg) rotateX(2deg); }
    .scene.visible .anim.mkt-frame-wrap { transform: perspective(1600px) rotateY(-10deg) rotateX(4deg); }
    .scene.visible .anim.mkt-frame-wrap:hover { transform: perspective(1600px) rotateY(-5deg) rotateX(2deg); }

    /* ── Auction Widget ───────────────────────────────── */
    .il-auc-card { background: #1A1916; border: 1px solid rgba(255,255,255,.1); border-radius: 12px; overflow: hidden; margin-top: 10px; opacity: 0; transform: translateY(8px); transition: opacity .4s ease, transform .4s ease; }
    .il-auc-card.in { opacity: 1; transform: none; }
    .il-auc-img { height: 110px; background: linear-gradient(135deg, #0D1117 0%, #1B2132 35%, #2A3550 65%, #3D506E 100%); display: flex; align-items: flex-end; padding: 8px 10px; }
    .il-auc-img-label { background: rgba(0,0,0,.45); backdrop-filter: blur(4px); border-radius: 4px; padding: 2px 7px; font-family: 'Inter', sans-serif; font-size: .58rem; font-weight: 600; color: rgba(255,255,255,.75); letter-spacing: .06em; text-transform: uppercase; }
    .il-auc-body { padding: 10px 12px 12px; }
    .il-auc-header { display: flex; align-items: center; gap: 7px; margin-bottom: 3px; }
    .il-auc-live { display: inline-flex; align-items: center; gap: 4px; background: rgba(239,68,68,.15); border: 1px solid rgba(239,68,68,.25); border-radius: 99px; padding: 2px 7px; font-family: 'Inter', sans-serif; font-size: .57rem; font-weight: 700; color: #f87171; letter-spacing: .07em; text-transform: uppercase; }
    @keyframes livePulse { 0%,100%{opacity:1} 50%{opacity:.4} }
    .il-auc-live::before { content: '●'; font-size: .48rem; animation: livePulse 1.4s ease infinite; margin-right: 1px; }
    .il-auc-title { font-family: 'Inter', sans-serif; font-size: .77rem; font-weight: 600; color: rgba(242,240,236,.88); margin-bottom: 2px; }
    .il-auc-time  { font-family: 'Inter', sans-serif; font-size: .63rem; color: rgba(242,240,236,.32); margin-bottom: 9px; }
    .il-auc-bid-section { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 9px; }
    .il-auc-bid-lbl { font-family: 'Inter', sans-serif; font-size: .6rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: rgba(242,240,236,.28); margin-bottom: 3px; }
    .il-auc-bid-val { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 1.25rem; color: rgba(242,240,236,.95); letter-spacing: -.02em; transition: color .3s; }
    @keyframes bidFlash { 0%{background:rgba(201,162,39,.3)} 100%{background:transparent} }
    .il-auc-bid-val.flash { animation: bidFlash .6s ease forwards; border-radius: 4px; padding: 0 4px; margin: 0 -4px; }
    .il-auc-bidders-wrap { text-align: right; }
    .il-auc-bidders-avs { display: flex; justify-content: flex-end; margin-bottom: 3px; }
    .il-auc-av { width: 20px; height: 20px; border-radius: 50%; border: 1.5px solid #1A1916; margin-left: -5px; font-size: .52rem; display: flex; align-items: center; justify-content: center; font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; flex-shrink: 0; }
    .il-auc-av:first-child { margin-left: 0; }
    .il-auc-bidders-lbl { font-family: 'Inter', sans-serif; font-size: .6rem; color: rgba(242,240,236,.28); }
    .il-auc-chart { height: 42px; margin-bottom: 9px; }
    .il-auc-chart svg { width: 100%; height: 100%; overflow: visible; }
    .il-auc-feed { margin-bottom: 10px; border-top: 1px solid rgba(255,255,255,.06); padding-top: 7px; display: flex; flex-direction: column; gap: 4px; }
    .il-auc-feed-item { display: flex; align-items: center; gap: 6px; font-family: 'JetBrains Mono','SF Mono',monospace; font-size: .61rem; }
    .il-auc-feed-item.new { background: rgba(242,240,236,.07); border-radius: 4px; padding: 2px 5px; margin: 0 -5px; }
    .il-auc-feed-user { color: rgba(242,240,236,.42); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .il-auc-feed-bid  { color: rgba(242,240,236,.85); font-weight: 700; flex-shrink: 0; }
    .il-auc-feed-time { color: rgba(242,240,236,.18); flex-shrink: 0; }
    .il-auc-actions { display: flex; gap: 7px; }
    .il-auc-bid-btn { flex: 1; height: 33px; border-radius: 8px; border: none; background: rgba(242,240,236,.9); color: #0A0908; font-family: 'Plus Jakarta Sans', sans-serif; font-size: .74rem; font-weight: 800; cursor: default; transition: background .2s; }
    .il-auc-offer-btn { height: 33px; padding: 0 13px; border-radius: 8px; border: 1px solid rgba(255,255,255,.14); background: transparent; color: rgba(242,240,236,.5); font-family: 'Inter', sans-serif; font-size: .73rem; cursor: default; }

    /* ── Fixed Price Widget ──────────────────────────── */
    .il-fp-card { background: #1A1916; border: 1px solid rgba(255,255,255,.1); border-radius: 12px; overflow: hidden; margin-top: 10px; opacity: 0; transform: translateY(8px); transition: opacity .4s ease, transform .4s ease; }
    .il-fp-card.in { opacity: 1; transform: none; }
    .il-fp-img { height: 110px; background: linear-gradient(135deg, #0E1E33 0%, #1B4068 45%, #2d6a9f 75%, #5b9bd5 100%); display: flex; align-items: flex-end; padding: 8px 10px; }
    .il-fp-img-label { background: rgba(0,0,0,.45); backdrop-filter: blur(4px); border-radius: 4px; padding: 2px 7px; font-family: 'Inter', sans-serif; font-size: .58rem; font-weight: 600; color: rgba(255,255,255,.75); letter-spacing: .06em; text-transform: uppercase; }
    .il-fp-body { padding: 10px 12px 12px; }
    .il-fp-title { font-family: 'Inter', sans-serif; font-size: .79rem; font-weight: 600; color: rgba(242,240,236,.9); margin-bottom: 4px; }
    .il-fp-stars { font-size: .72rem; color: #C9A227; margin-bottom: 6px; }
    .il-fp-stars span { font-family: 'Inter', sans-serif; font-size: .62rem; color: rgba(242,240,236,.28); margin-left: 4px; }
    .il-fp-price-row { display: flex; align-items: center; gap: 7px; margin-bottom: 10px; }
    .il-fp-price { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 1.15rem; font-weight: 800; color: rgba(242,240,236,.95); }
    .il-fp-price-orig { font-family: 'Inter', sans-serif; font-size: .76rem; color: rgba(242,240,236,.28); text-decoration: line-through; }
    .il-fp-badge { background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.22); color: #34d399; border-radius: 4px; padding: 2px 5px; font-family: 'Inter', sans-serif; font-size: .6rem; font-weight: 700; }
    .il-fp-variants { margin-bottom: 9px; }
    .il-fp-var-lbl { font-family: 'Inter', sans-serif; font-size: .6rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: rgba(242,240,236,.28); margin-bottom: 5px; }
    .il-fp-sizes { display: flex; gap: 5px; margin-bottom: 7px; }
    .il-fp-sz { min-width: 28px; height: 26px; border-radius: 5px; border: 1px solid rgba(255,255,255,.12); background: transparent; color: rgba(242,240,236,.42); font-family: 'Inter', sans-serif; font-size: .68rem; font-weight: 600; cursor: default; display: flex; align-items: center; justify-content: center; transition: background .2s, border-color .2s, color .2s; padding: 0 5px; }
    .il-fp-sz.active { background: rgba(242,240,236,.9); border-color: rgba(242,240,236,.9); color: #0A0908; }
    @keyframes szPulse { 0%,100%{box-shadow:0 0 0 0 rgba(242,240,236,.2)} 50%{box-shadow:0 0 0 4px rgba(242,240,236,.08)} }
    .il-fp-sz.pulse { animation: szPulse .55s ease 3; }
    .il-fp-colors { display: flex; gap: 6px; }
    .il-fp-col { width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,.1); cursor: default; }
    .il-fp-col.active { outline: 2px solid rgba(255,255,255,.18); outline-offset: 1px; }
    .il-fp-stock-row { margin-bottom: 10px; display: flex; flex-direction: column; gap: 3px; }
    .il-fp-stock { font-family: 'Inter', sans-serif; font-size: .67rem; color: #34d399; display: flex; align-items: center; gap: 5px; }
    .il-fp-stock::before { content: '✓'; font-weight: 700; }
    .il-fp-actions { display: flex; gap: 7px; }
    .il-fp-add-btn { flex: 1; height: 33px; border-radius: 8px; border: 1px solid rgba(255,255,255,.18); background: transparent; color: rgba(242,240,236,.7); font-family: 'Inter', sans-serif; font-size: .73rem; cursor: default; transition: box-shadow .2s; }
    .il-fp-buy-btn { flex: 1; height: 33px; border-radius: 8px; border: none; background: rgba(242,240,236,.88); color: #0A0908; font-family: 'Plus Jakarta Sans', sans-serif; font-size: .74rem; font-weight: 800; cursor: default; }
    @keyframes btnPress { 0%{background:transparent;color:rgba(242,240,236,.7);transform:scale(1)} 12%{background:rgba(242,240,236,.18);transform:scale(.96)} 40%,90%{background:rgba(242,240,236,.12);color:rgba(242,240,236,.95);transform:scale(1)} 100%{background:transparent;color:rgba(242,240,236,.7);transform:scale(1)} }
    .il-fp-add-btn.pressed { animation: btnPress .7s ease forwards; }
    .mkt-cart-toast {
      position: absolute; top: 12px; left: 50%; transform: translateX(-50%) translateY(-40px);
      opacity: 0; transition: opacity .3s ease, transform .3s cubic-bezier(.34,1.56,.64,1);
      background: rgba(16,15,13,.86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(255,255,255,.13); border-radius: 99px;
      padding: 7px 16px 7px 10px; font-family: 'Inter', sans-serif; font-size: .75rem;
      color: rgba(242,240,236,.92); white-space: nowrap; z-index: 100;
      display: flex; align-items: center; gap: 8px; pointer-events: none;
      box-shadow: 0 8px 24px rgba(0,0,0,.4);
    }
    .mkt-cart-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
    .mkt-cart-toast-check {
      width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0;
      background: rgba(52,211,153,.18); border: 1px solid rgba(52,211,153,.35);
      color: #34d399; display: flex; align-items: center; justify-content: center;
      font-size: .6rem; font-weight: 800;
    }
    :root[data-theme="light"] .mkt-cart-toast { background: rgba(255,255,255,.9); border-color: var(--border2); color: var(--text); box-shadow: 0 8px 24px rgba(0,0,0,.12); }
    :root[data-theme="light"] .il-fp-add-btn.pressed { animation: btnPressLight .7s ease forwards; }
    @keyframes btnPressLight { 0%{background:transparent;color:var(--text2);transform:scale(1)} 12%{background:rgba(13,12,10,.1);transform:scale(.96)} 40%,90%{background:rgba(13,12,10,.07);color:var(--text);transform:scale(1)} 100%{background:transparent;color:var(--text2);transform:scale(1)} }

    /* ── Light mode ──────────────────────────────────── */
    :root[data-theme="light"] .mkt-view-tabs { background: #EFEEEC; border-color: var(--border); box-shadow: -24px 40px 100px rgba(0,0,0,.1); }
    :root[data-theme="light"] .mkt-view-tab { color: var(--text3); }
    :root[data-theme="light"] .mkt-view-tab.active { background: rgba(13,12,10,.06); color: var(--text); }
    :root[data-theme="light"] .mkt-chrome { background: #EFEEEC; border-color: var(--border); box-shadow: -24px 40px 100px rgba(0,0,0,.08); }
    :root[data-theme="light"] .mkt-chrome-url { background: rgba(13,12,10,.05); color: var(--text3); }
    :root[data-theme="light"] .mkt-body-wrap { background: #FAFAF9; border-color: var(--border); box-shadow: -20px 36px 90px rgba(0,0,0,.08); }
    :root[data-theme="light"] .mkt-ctx-bar { background: rgba(13,12,10,.015); border-color: var(--border); }
    :root[data-theme="light"] .mkt-ctx-item { color: var(--text3); }
    :root[data-theme="light"] .mkt-ctx-item strong { color: var(--text2); }
    :root[data-theme="light"] .mkt-ph { background: rgba(13,12,10,.01); border-color: var(--border); }
    :root[data-theme="light"] .mkt-ph-title { color: var(--text); }
    :root[data-theme="light"] .mkt-ph-sub { color: var(--text3); }
    :root[data-theme="light"] .mkt-messages { -webkit-mask-image: linear-gradient(to bottom, transparent 0, var(--bg) 20px, var(--bg) calc(100% - 18px), transparent 100%); mask-image: linear-gradient(to bottom, transparent 0, var(--bg) 20px, var(--bg) calc(100% - 18px), transparent 100%); }
    :root[data-theme="light"] .mkt-ibar { border-color: var(--border); background: var(--surface); }
    :root[data-theme="light"] .mkt-ipill { background: var(--pill-bg); border-color: var(--pill-border); }
    :root[data-theme="light"] .mkt-ifield { color: var(--text); }
    :root[data-theme="light"] .mkt-ifield::placeholder { color: var(--text3); }
    :root[data-theme="light"] .il-auc-card, :root[data-theme="light"] .il-fp-card { background: var(--surface); border-color: var(--border2); }
    :root[data-theme="light"] .il-auc-av { border-color: var(--surface); background: var(--bg2) !important; color: var(--text2) !important; }
    :root[data-theme="light"] .il-auc-title, :root[data-theme="light"] .il-fp-title { color: var(--text); }
    :root[data-theme="light"] .il-auc-bid-lbl, :root[data-theme="light"] .il-auc-time, :root[data-theme="light"] .il-auc-bidders-lbl { color: var(--text3); }
    :root[data-theme="light"] .il-auc-feed { border-color: var(--border); }
    :root[data-theme="light"] .il-auc-feed-user, :root[data-theme="light"] .il-auc-feed-time { color: var(--text3); }
    :root[data-theme="light"] .il-auc-offer-btn { border-color: var(--border2); color: var(--text2); }
    :root[data-theme="light"] .il-fp-price { color: var(--text); }
    :root[data-theme="light"] .il-fp-price-orig { color: var(--text3); }
    :root[data-theme="light"] .il-fp-stars span, :root[data-theme="light"] .il-fp-var-lbl { color: var(--text3); }
    :root[data-theme="light"] .il-fp-sz { border-color: var(--border2); color: var(--text2); }
    :root[data-theme="light"] .il-fp-sz.active { background: var(--btn-primary-bg); border-color: var(--btn-primary-bg); color: var(--btn-primary-text); }
    :root[data-theme="light"] .il-fp-col { border-color: var(--border2); }
    :root[data-theme="light"] .il-fp-stock { color: #059669; }
    :root[data-theme="light"] .il-fp-add-btn { border-color: var(--border2); color: var(--text2); }
    :root[data-theme="light"] .il-fp-buy-btn { background: var(--btn-primary-bg); color: var(--btn-primary-text); }
    :root[data-theme="light"] .mkt-messages .hwu { background: var(--bg2); color: var(--text); }
    :root[data-theme="light"] .mkt-messages .hwth-lbl { color: var(--text2); }
    :root[data-theme="light"] .mkt-messages .hwtool { border-color: var(--border2); }
    :root[data-theme="light"] .mkt-messages .hwtool-n { color: var(--text3); }
    :root[data-theme="light"] .mkt-messages .hwtool-q { color: var(--text3); }
    :root[data-theme="light"] .mkt-messages .hwai-body { color: var(--text2); }
    :root[data-theme="light"] .mkt-messages .hwai-body strong { color: var(--text); }

    @media (max-width: 900px) {
      #scene-mkt { flex-direction: column; padding: 48px 6vw; align-items: flex-start; height: auto; min-height: 100vh; overflow-y: auto; }
      .mkt-left { flex: none; width: 100%; padding-right: 0; margin-bottom: 32px; }
      .mkt-right { flex: none; width: 100%; }
    }

    /* ─── How-it-works: per-view site context overlays ─────────── */
    /* per-view grid panels */
    .hw-vp { display: none; }
    .how-site[data-view="buyer"]  .hw-vp-buyer  { display: block; animation: hwVpIn .5s cubic-bezier(.22,1,.36,1) forwards; }
    .how-site[data-view="seller"] .hw-vp-seller { display: block; animation: hwVpIn .5s cubic-bezier(.22,1,.36,1) forwards; }
    .how-site[data-view="admin"]  .hw-vp-admin  { display: block; animation: hwVpIn .5s cubic-bezier(.22,1,.36,1) forwards; }
    @keyframes hwVpIn { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:translateY(0); } }
    .how-site[data-view="buyer"]  .hw-grid-default,
    .how-site[data-view="seller"] .hw-grid-default,
    .how-site[data-view="admin"]  .hw-grid-default { display: none; }

    .hw-vp-hdr { display: flex; justify-content: space-between; align-items: center;
      margin-bottom: 8px; font-family: 'Inter', sans-serif; font-size: .68rem;
      font-weight: 600; color: rgba(242,240,236,.55); }
    .hw-vp-link { font-size: .62rem; font-weight: 500; color: rgba(242,240,236,.28); }

    .hw-vc { position: relative; border: 1px solid rgba(255,255,255,.06); }
    .hw-vc .how-card-img { position: relative; }
    .hw-vc-badge { position: absolute; top: 5px; right: 5px; font-family: 'Inter', sans-serif;
      font-size: .54rem; font-weight: 700; border-radius: 3px; padding: 2px 5px;
      background: rgba(0,0,0,.45); color: rgba(255,255,255,.55); letter-spacing: .04em; }
    .hw-vc-badge.live   { background: rgba(239,68,68,.22); color: #f87171; border: 1px solid rgba(239,68,68,.28); }
    .hw-vc-badge.buynow { background: rgba(59,130,246,.22); color: #93c5fd; border: 1px solid rgba(59,130,246,.28); }
    .hw-vc-badge.ok     { background: rgba(52,211,153,.18); color: #6ee7b7; border: 1px solid rgba(52,211,153,.22); }
    .hw-vc-badge.warn   { background: rgba(251,191,36,.18); color: #fde68a; border: 1px solid rgba(251,191,36,.22); }
    .hw-vc-badge.alert  { background: rgba(239,68,68,.18); color: #f87171; border: 1px solid rgba(239,68,68,.22); }
    .hw-vc-body { padding: 5px 8px 7px; }
    .hw-vc-title { font-family: 'Inter', sans-serif; font-size: .67rem; font-weight: 600;
      color: rgba(242,240,236,.7); margin-bottom: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .hw-vc-meta { display: flex; justify-content: space-between; font-family: 'Inter', sans-serif; font-size: .6rem; }
    .hw-vc-meta strong { color: rgba(242,240,236,.65); font-weight: 700; }
    .hw-vc-meta span { color: rgba(242,240,236,.28); }
    .hw-vc-warn  { border-color: rgba(251,191,36,.2)  !important; background: rgba(251,191,36,.04) !important; }
    .hw-vc-alert { border-color: rgba(239,68,68,.18)  !important; background: rgba(239,68,68,.04)  !important; }
    .hw-vc-hot   { border-color: rgba(239,68,68,.18)  !important; }

    .hw-vp-stats { display: flex; gap: 10px; padding: 5px 8px;
      background: rgba(255,255,255,.03); border-radius: 6px; margin-bottom: 8px;
      font-family: 'Inter', sans-serif; font-size: .59rem; color: rgba(242,240,236,.38); }
    .hw-vp-stats span { display: flex; align-items: center; gap: 4px; }
    .hw-dot { width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0; }
    .hw-dot.green { background: #34d399; }
    .hw-dot.amber { background: #fbbf24; }

    .hw-vp-alert { background: rgba(239,68,68,.06); border: 1px solid rgba(239,68,68,.16);
      border-radius: 6px; padding: 7px 9px; margin-bottom: 8px; }
    .hw-vp-alert-hdr { display: flex; align-items: center; gap: 7px; margin-bottom: 2px;
      font-family: 'Inter', sans-serif; font-size: .65rem; font-weight: 600;
      color: rgba(242,240,236,.6); }
    .hw-vp-alert-sub { font-family: 'Inter', sans-serif; font-size: .59rem; color: rgba(242,240,236,.28); }

    :root[data-theme="light"] .hw-vp-hdr  { color: var(--text2); }
    :root[data-theme="light"] .hw-vp-link { color: var(--text3); }
    :root[data-theme="light"] .hw-vc-title { color: var(--text); }
    :root[data-theme="light"] .hw-vc-meta strong { color: var(--text2); }
    :root[data-theme="light"] .hw-vc-meta span   { color: var(--text3); }
    :root[data-theme="light"] .hw-vc { border-color: var(--border2) !important; background: var(--bg2) !important; }
    :root[data-theme="light"] .hw-vp-stats { background: var(--bg2); color: var(--text2); }
    :root[data-theme="light"] .hw-vp-alert { background: rgba(239,68,68,.04); border-color: rgba(239,68,68,.15); }
    :root[data-theme="light"] .hw-vp-alert-hdr { color: var(--text); }
    :root[data-theme="light"] .hw-vp-alert-sub  { color: var(--text2); }