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

    :root {
      --bg:        #07080a;
      --bg-light:  #0f1117;
      --bg-mid:    #13151c;
      --surface:   #191c25;
      --border:    rgba(255,255,255,0.07);
      --border-accent: rgba(0,210,140,0.25);

      --accent:    #00d28c;
      --accent2:   #00f0a8;
      --accent-dim: rgba(0,210,140,0.10);
      --accent-glow: rgba(0,210,140,0.22);

      --danger:    #e84040;

      --white:     #eef2f0;
      --muted:     rgba(210,225,218,0.78);
      --faint:     rgba(210,225,218,0.45);

      --font: 'Plus Jakarta Sans', sans-serif;
      --mono: 'DM Mono', monospace;

      --nav-bg:    rgba(7,8,10,0.88);
      --mobile-menu-bg: rgba(7,8,10,0.97);
      --grid-color: rgba(0,210,140,0.025);
      --noise-opacity: 0.028;
      --modal-bg:  #13151c;
      --ticker-text: #07080a;
    }

    /* ── LIGHT THEME ── */
    [data-theme="light"] {
      --bg:        #f4f6f3;
      --bg-light:  #eaece8;
      --bg-mid:    #ffffff;
      --surface:   #e2e5e0;
      --border:    rgba(0,0,0,0.1);
      --border-accent: rgba(0,168,110,0.35);

      --accent:    #009e68;
      --accent2:   #00c280;
      --accent-dim: rgba(0,158,104,0.10);
      --accent-glow: rgba(0,158,104,0.25);

      --white:     #111a14;
      --muted:     rgba(20,40,28,0.72);
      --faint:     rgba(20,40,28,0.45);

      --grid-color: rgba(0,158,104,0.04);
      --noise-opacity: 0.018;
      --modal-bg:  #ffffff;
      --ticker-text: #f4f6f3;
      --mobile-menu-bg: rgba(244,246,243,0.97);
    }

    /* ── NAV & FOOTER ALWAYS DARK ── */
    nav {
      background: rgba(7,8,10,0.92) !important;
      border-bottom-color: rgba(255,255,255,0.07) !important;
    }
    [data-theme="light"] nav .nav-logo,
    [data-theme="light"] nav { color: #eef2f0; }
    [data-theme="light"] .theme-toggle { color: #eef2f0; border-color: rgba(255,255,255,0.18); }
    [data-theme="light"] .theme-toggle:hover { border-color: #00d28c; }
    [data-theme="light"] .btn-nav { background: #009e68; color: #ffffff; }
    [data-theme="light"] .btn-nav:hover { background: #00c280; color: #ffffff; }
    footer {
      background: #07080a !important;
      border-top-color: rgba(255,255,255,0.07) !important;
    }
    [data-theme="light"] footer,
    [data-theme="light"] .footer-links a,
    [data-theme="light"] .footer-copy { color: rgba(210,225,218,0.55); }
    [data-theme="light"] .footer-links a:hover { color: #00d28c; }
    [data-theme="light"] body::after {
      background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    }
    [data-theme="light"] .mobile-menu {
      background: var(--mobile-menu-bg);
    }
    [data-theme="light"] .modal label { color: rgba(10,30,18,0.85); }
    [data-theme="light"] .modal input,
    [data-theme="light"] .modal textarea { background: #f0f2ef; border-color: rgba(0,0,0,0.18); color: #111a14; }
    [data-theme="light"] input,
    [data-theme="light"] textarea { background: #f4f6f3; color: var(--white); }
    [data-theme="light"] .prob-card,
    [data-theme="light"] .tech-feat,
    [data-theme="light"] .chain-timeline-node,
    [data-theme="light"] .step { background: var(--bg-mid); }
    [data-theme="light"] .chain-timeline-arrow { background: var(--bg-light); }
    [data-theme="light"] .benefit-card,
    [data-theme="light"] .usecase-card,
    [data-theme="light"] .comp-badge { background: var(--bg-mid); }
    [data-theme="light"] .ghost-stat { background: var(--bg-light); }
    [data-theme="light"] .hero-counter { background: var(--bg-mid); }
    [data-theme="light"] .ticker { background: var(--accent); color: #ffffff; }
    [data-theme="light"] .nfc-core { box-shadow: 0 0 0 0 var(--accent-glow); }
    [data-theme="light"] .nfc-core svg { stroke: #ffffff; }
    [data-theme="light"] .btn-primary { color: #ffffff; }
    [data-theme="light"] .btn-primary:hover { color: #ffffff; }
    [data-theme="light"] .modal-submit { color: #ffffff; }

    /* Theme toggle button */
    .theme-toggle {
      width: 38px; height: 38px;
      border-radius: 3px;
      border: 1px solid var(--border);
      background: none;
      cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
      transition: border-color 0.2s, background 0.2s;
      color: var(--white);
    }
    .theme-toggle:hover { border-color: var(--accent); }
    .theme-toggle svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
    .icon-sun  { display: block; }
    .icon-moon { display: none; }
    [data-theme="light"] .icon-sun  { display: none; }
    [data-theme="light"] .icon-moon { display: block; }

    html { scroll-behavior: smooth; }

    body {
      background: var(--bg);
      color: var(--white);
      font-family: var(--font);
      font-weight: 400;
      overflow-x: hidden;
      line-height: 1.6;
    }

    /* NOISE + GRID TEXTURE */
    body::before {
      content: '';
      position: fixed; inset: 0; z-index: 0; pointer-events: none;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 300 300' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
      opacity: 0.028;
    }
    body::after {
      content: '';
      position: fixed; inset: 0; z-index: 0; pointer-events: none;
      background-image:
        linear-gradient(rgba(0,210,140,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,210,140,0.025) 1px, transparent 1px);
      background-size: 48px 48px;
    }

    /* ── NAV ── */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 200;
      height: 68px;
      display: flex; align-items: center; justify-content: space-between;
      gap: 1rem;
      padding: 0 3rem;
      background: var(--nav-bg);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border);
    }
    .nav-logo {
      display: flex; align-items: center; gap: 0.8rem;
      text-decoration: none;
    }
    .nav-logo svg {
      height: 58px;
      width: auto;
      display: block;
    }
    .nav-logo-dot {
      width: 7px; height: 7px; border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 8px var(--accent);
    }
    .btn-nav {
      background: var(--accent);
      color: #07080a;
      font-family: var(--font);
      font-weight: 700; font-size: 0.8rem;
      letter-spacing: 0.06em; text-transform: uppercase;
      padding: 0.6rem 1.5rem; border-radius: 3px;
      text-decoration: none; border: none; cursor: pointer;
      transition: background 0.2s, box-shadow 0.2s;
      white-space: nowrap;
    }
    .btn-nav:hover { background: var(--accent2); box-shadow: 0 0 20px var(--accent-glow); }

    /* ── HAMBURGER ── */
    .hamburger {
      display: flex; flex-direction: column; justify-content: center; gap: 5px;
      background: none; border: 1px solid var(--border);
      border-radius: 3px;
      width: 38px; height: 38px;
      padding: 0 9px;
      cursor: pointer; z-index: 210; flex-shrink: 0;
      transition: border-color 0.2s;
    }
    .hamburger:hover { border-color: var(--accent); }
    .hamburger span {
      display: block; width: 100%; height: 1.5px;
      background: #eef2f0; border-radius: 2px;
      transition: all 0.3s;
    }

    /* ── MOBILE MENU ── */
    .mobile-menu {
      position: fixed; inset: 0; z-index: 250;
      background: var(--mobile-menu-bg);
      backdrop-filter: blur(20px);
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
      gap: 0;
      opacity: 0; pointer-events: none;
      transition: opacity 0.3s;
    }
    .mobile-menu.open { opacity: 1; pointer-events: all; }
    .mobile-close {
      position: absolute; top: 1.5rem; right: 2rem;
      background: none; border: 1px solid var(--border);
      color: var(--white); font-size: 1.1rem;
      width: 38px; height: 38px; border-radius: 3px;
      cursor: pointer; display: flex; align-items: center; justify-content: center;
      transition: border-color 0.2s, color 0.2s;
    }
    .mobile-close:hover { border-color: var(--accent); color: var(--accent); }
    .mobile-nav-link {
      font-family: var(--font);
      font-size: 1.5rem; font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--muted); text-decoration: none;
      padding: 0.7rem 2rem;
      width: 100%; text-align: center;
      transition: color 0.2s;
      border-bottom: 1px solid rgba(255,255,255,0.04);
    }
    .mobile-nav-link:first-of-type { border-top: 1px solid rgba(255,255,255,0.04); }
    .mobile-nav-link:hover { color: var(--white); }
    .mobile-nav-cta {
      color: var(--accent) !important;
      margin-top: 1rem;
      border: 1px solid var(--border-accent) !important;
      border-radius: 3px;
      background: var(--accent-dim);
      width: auto !important;
      padding: 0.75rem 2.5rem !important;
      font-size: 1rem !important;
    }
    .mobile-nav-cta:hover { background: rgba(0,210,140,0.2) !important; }

    @media (max-width: 480px) {
      nav { padding: 0 1.5rem; }
    }

    .nav-right {
      display: flex; align-items: center; gap: 0.6rem;
      flex-shrink: 0;
    }

    @media (max-width: 600px) {
      .btn-nav { display: none; }
    }

    /* ── TICKER ── */
    .ticker {
      background: var(--accent);
      color: #07080a;
      overflow: hidden; height: 36px;
      display: flex; align-items: center;
      margin-top: 68px;
      position: relative; z-index: 1;
    }
    .ticker-track {
      display: flex; gap: 0;
      animation: tickerScroll 28s linear infinite;
      white-space: nowrap;
    }
    .ticker-item {
      font-family: var(--mono);
      font-size: 0.72rem; font-weight: 500;
      letter-spacing: 0.08em; text-transform: uppercase;
      padding: 0 2.5rem;
      display: flex; align-items: center; gap: 1.5rem;
    }
    .ticker-item::after { content: '◆'; font-size: 0.4rem; opacity: 0.6; }
    @keyframes tickerScroll {
      from { transform: translateX(0); }
      to { transform: translateX(-50%); }
    }

    /* ── HERO ── */
    #hero {
      min-height: calc(100vh - 116px);
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      gap: 4rem;
      padding: 5rem 3rem 5rem;
      max-width: 1280px;
      margin: 0 auto;
      position: relative; z-index: 1;
    }
    .hero-left { }
    .hero-eyebrow {
      font-family: var(--mono);
      font-size: 0.72rem; font-weight: 400;
      letter-spacing: 0.18em; text-transform: uppercase;
      color: var(--accent);
      display: flex; align-items: center; gap: 1rem;
      margin-bottom: 1.8rem;
    }
    .hero-eyebrow::before {
      content: ''; display: block;
      width: 28px; height: 1px; background: var(--accent);
    }
    h1 {
      font-family: var(--font);
      font-size: clamp(2.6rem, 4.5vw, 4.2rem);
      font-weight: 800;
      line-height: 1.05;
      letter-spacing: -0.035em;
      color: var(--white);
      margin-bottom: 0.2rem;
    }
    h1 em {
      font-style: normal;
      font-weight: 200;
      color: var(--accent);
    }
    .hero-body {
      font-size: 1.02rem; font-weight: 300;
      color: var(--muted); line-height: 1.75;
      max-width: 480px;
      margin: 1.6rem 0 0.5rem;
    }
    .hero-note {
      font-family: var(--mono);
      font-size: 0.72rem; letter-spacing: 0.06em;
      color: var(--faint);
      margin-bottom: 2.2rem;
    }
    .hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
    .btn-primary {
      background: var(--accent);
      color: #07080a;
      font-family: var(--font);
      font-weight: 700; font-size: 0.85rem;
      letter-spacing: 0.05em; text-transform: uppercase;
      padding: 0.85rem 2rem; border-radius: 3px;
      text-decoration: none; cursor: pointer;
      border: none;
      transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
    }
    .btn-primary:hover {
      background: var(--accent2);
      box-shadow: 0 0 28px var(--accent-glow);
      transform: translateY(-1px);
    }
    .btn-ghost {
      background: transparent;
      color: var(--muted);
      font-family: var(--font);
      font-weight: 500; font-size: 0.85rem;
      letter-spacing: 0.05em; text-transform: uppercase;
      padding: 0.85rem 2rem; border-radius: 3px;
      text-decoration: none;
      border: 1px solid var(--border);
      transition: border-color 0.2s, color 0.2s;
    }
    .btn-ghost:hover { border-color: rgba(0,210,140,0.35); color: var(--accent); }

    /* NFC TAG VISUAL */
    .hero-right {
      display: flex; align-items: center; justify-content: center;
      position: relative;
    }
    .nfc-frame {
      position: relative;
      width: 340px; height: 340px;
      display: flex; align-items: center; justify-content: center;
    }
    /* Corner brackets */
    .nfc-frame::before, .nfc-frame::after,
    .nfc-frame .corner-br, .nfc-frame .corner-tl {
      content: '';
      position: absolute;
      width: 20px; height: 20px;
    }
    .nfc-frame::before {
      top: 0; left: 0;
      border-top: 1.5px solid var(--accent);
      border-left: 1.5px solid var(--accent);
    }
    .nfc-frame::after {
      top: 0; right: 0;
      border-top: 1.5px solid var(--accent);
      border-right: 1.5px solid var(--accent);
    }
    .corner-br {
      bottom: 0; right: 0;
      border-bottom: 1.5px solid var(--accent);
      border-right: 1.5px solid var(--accent);
    }
    .corner-bl {
      position: absolute;
      bottom: 0; left: 0;
      width: 20px; height: 20px;
      border-bottom: 1.5px solid var(--accent);
      border-left: 1.5px solid var(--accent);
    }
    /* Rings */
    .nfc-ring {
      position: absolute;
      border-radius: 50%;
      border: 1.5px solid var(--accent);
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      opacity: 0;
      animation: ringExpand 2.8s ease-out infinite;
    }
    .nfc-ring:nth-child(1) { width: 80px;  height: 80px;  animation-delay: 0s; }
    .nfc-ring:nth-child(2) { width: 145px; height: 145px; animation-delay: 0.7s; }
    .nfc-ring:nth-child(3) { width: 215px; height: 215px; animation-delay: 1.4s; }
    .nfc-ring:nth-child(4) { width: 290px; height: 290px; animation-delay: 2.1s; }
    @keyframes ringExpand {
      0%   { opacity: 1;   transform: translate(-50%,-50%) scale(0.4); }
      60%  { opacity: 0.5; }
      100% { opacity: 0;   transform: translate(-50%,-50%) scale(1); }
    }
    /* Core */
    .nfc-core {
      width: 52px; height: 52px; border-radius: 50%;
      background: var(--accent);
      display: flex; align-items: center; justify-content: center;
      position: relative; z-index: 2;
      animation: corePulse 2.8s ease-in-out infinite;
      box-shadow: 0 0 0 0 var(--accent-glow);
    }
    @keyframes corePulse {
      0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
      50%       { box-shadow: 0 0 24px 8px var(--accent-glow); }
    }
    .nfc-core svg { width: 24px; height: 24px; }
    /* Tag label */
    .nfc-label {
      position: absolute;
      bottom: 38px; left: 50%;
      transform: translateX(-50%);
      font-family: var(--mono);
      font-size: 0.62rem; letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--faint);
      white-space: nowrap;
    }
    .nfc-verified {
      position: absolute;
      top: 38px; left: 50%;
      transform: translateX(-50%);
      font-family: var(--mono);
      font-size: 0.62rem; letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--accent);
      white-space: nowrap;
      display: flex; align-items: center; gap: 0.5rem;
    }
    .nfc-verified::before {
      content: '';
      width: 5px; height: 5px; border-radius: 50%;
      background: var(--accent);
      animation: blink 2s ease-in-out infinite;
    }
    @keyframes blink {
      0%, 100% { opacity: 1; } 50% { opacity: 0.3; }
    }


    /* ── SECTION BASE ── */
    .section-inner {
      max-width: 1280px;
      margin: 0 auto;
      padding: 6rem 3rem;
      position: relative; z-index: 1;
    }
    .section-label {
      font-family: var(--mono);
      font-size: 0.68rem; font-weight: 400;
      letter-spacing: 0.18em; text-transform: uppercase;
      color: var(--accent);
      display: flex; align-items: center; gap: 1rem;
      margin-bottom: 1.2rem;
    }
    .section-label::before {
      content: '';
      width: 24px; height: 1px;
      background: var(--accent);
    }
    .section-title {
      font-family: var(--font);
      font-size: clamp(1.8rem, 3vw, 2.8rem);
      font-weight: 800; letter-spacing: -0.03em;
      color: var(--white); line-height: 1.1;
      margin-bottom: 1.2rem;
    }
    .section-title em { font-style: normal; font-weight: 200; color: var(--accent); }
    .section-sub {
      font-size: 1rem; font-weight: 300;
      color: var(--muted); line-height: 1.75;
      max-width: 560px;
    }

    /* ── HERO COUNTER ── */
    .hero-right {
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
    }
    .hero-counter {
      width: 100%;
      background: var(--bg-mid);
      border: 1px solid var(--border-accent);
      border-radius: 4px;
      padding: 1.4rem 1.8rem;
      position: relative;
      overflow: hidden;
      margin-top: 2rem;
    }
    .hero-counter::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--accent), transparent);
    }
    .hero-counter-label {
      font-family: var(--mono);
      font-size: 0.62rem; letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--faint);
      display: flex; align-items: center; gap: 0.5rem;
      margin-bottom: 0.6rem;
    }
    .hero-counter-amount {
      font-family: var(--font);
      font-weight: 800;
      font-size: clamp(1.8rem, 3vw, 2.6rem);
      letter-spacing: -0.04em;
      line-height: 1;
      color: var(--accent);
      font-variant-numeric: tabular-nums;
    }
    .hero-counter-sub {
      font-family: var(--mono);
      font-size: 0.58rem; letter-spacing: 0.07em;
      text-transform: uppercase;
      color: var(--faint);
      margin-top: 0.5rem;
    }
    .loss-label-dot {
      width: 6px; height: 6px; border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 6px var(--accent);
      flex-shrink: 0;
      animation: blink 1.2s ease-in-out infinite;
    }

    /* ── PROBLEM SECTION ── */
    #problem { background: var(--bg-light); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
    .prob-cards-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      margin-top: 3rem;
    }
    .prob-card {
      padding: 1.8rem 2rem;
      background: var(--bg-mid);
      border-left: 2px solid transparent;
      transition: border-left-color 0.3s, background 0.3s;
      cursor: default;
    }
    .prob-card:hover { border-left-color: var(--accent); background: var(--surface); }
    .prob-card-num {
      font-family: var(--mono);
      font-size: 0.62rem; letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 0.6rem;
    }
    .prob-card-title {
      font-weight: 700; font-size: 0.95rem;
      color: var(--white); margin-bottom: 0.4rem;
    }
    .prob-card-body { font-size: 0.9rem; color: var(--muted); line-height: 1.65; }

    /* Stats row */
    .prob-stats-row {
      display: grid; grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      border-top: none;
      margin-top: 0;
    }
    .ghost-stat {
      padding: 1.8rem 2rem;
      background: var(--bg);
      position: relative;
      transition: background 0.3s;
    }
    .ghost-stat:hover { background: var(--bg-mid); }
    .ghost-stat-num {
      font-family: var(--font);
      font-size: 2.4rem; font-weight: 800;
      letter-spacing: -0.05em; line-height: 1;
      color: rgba(0,210,140,0.45);
      margin-bottom: 0.6rem;
    }
    .ghost-stat-label {
      font-size: 0.85rem; font-weight: 300;
      color: var(--muted); line-height: 1.6;
    }
    .ghost-stat-label strong { color: var(--white); font-weight: 600; }

    /* ── HOW IT WORKS ── */
    #how { }
    .steps-grid {
      display: grid; grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      margin-top: 3.5rem;
      background: var(--border);
      border: 1px solid var(--border);
    }
    .step {
      background: var(--bg);
      padding: 2rem 1.6rem;
      position: relative;
      transition: background 0.3s;
    }
    .step:hover { background: var(--bg-light); }
    .step:hover .step-num { color: var(--accent); }
    .step-num {
      font-family: var(--mono);
      font-size: 0.68rem; letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--faint);
      margin-bottom: 1.8rem;
      transition: color 0.3s;
    }
    /* ghost large number */
    .step-ghost {
      position: absolute;
      top: 1.2rem; right: 1.4rem;
      font-size: 4rem; font-weight: 800;
      letter-spacing: -0.05em;
      color: rgba(0,210,140,0.06);
      line-height: 1; pointer-events: none;
    }
    .step-icon-wrap {
      width: 40px; height: 40px; border-radius: 3px;
      background: var(--accent-dim);
      border: 1px solid var(--border-accent);
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 1.2rem;
    }
    .step-icon-wrap svg { width: 18px; height: 18px; stroke: var(--accent); }
    .step-title {
      font-weight: 700; font-size: 0.95rem;
      color: var(--white); margin-bottom: 0.6rem;
    }
    .step-body { font-size: 0.88rem; font-weight: 300; color: var(--muted); line-height: 1.7; }

    /* ── TECHNOLOGY ── */
    #technology { background: var(--bg-light); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
    .tech-features-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      margin-top: 2.5rem;
    }
    .tech-feat {
      display: flex; gap: 1.2rem;
      padding: 1.6rem 1.8rem;
      background: var(--bg-mid);
      border-left: 2px solid transparent;
      transition: border-left-color 0.3s, background 0.3s;
    }
    .tech-feat:hover { border-left-color: var(--accent); background: var(--surface); }
    .tech-feat-icon {
      width: 36px; height: 36px; border-radius: 3px;
      background: var(--accent-dim);
      border: 1px solid var(--border-accent);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
    }
    .tech-feat-icon svg { width: 16px; height: 16px; stroke: var(--accent); }
    .tech-feat-title { font-weight: 700; font-size: 0.9rem; color: var(--white); margin-bottom: 0.3rem; }
    .tech-feat-body { font-size: 0.87rem; font-weight: 300; color: var(--muted); line-height: 1.65; }

    /* Chain timeline */
    .chain-label-row {
      display: flex; align-items: center; justify-content: space-between;
      gap: 2rem;
      margin-top: 3rem; margin-bottom: 1.2rem;
      flex-wrap: wrap;
    }
    .chain-timeline {
      display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
      align-items: stretch;
      border: 1px solid var(--border);
      background: var(--border);
      gap: 1px;
    }
    .chain-timeline-node {
      background: var(--bg-mid);
      padding: 1.4rem 1.2rem;
      display: flex; flex-direction: column; align-items: center;
      gap: 0.7rem; text-align: center;
      transition: background 0.3s;
    }
    .chain-timeline-node:hover { background: var(--surface); }
    .chain-timeline-final { background: rgba(0,210,140,0.06); }
    .chain-timeline-final:hover { background: rgba(0,210,140,0.1); }
    .chain-timeline-arrow {
      background: var(--bg);
      display: flex; align-items: center; justify-content: center;
      padding: 0 0.4rem;
      color: var(--faint);
      font-size: 0.85rem;
    }
    .chain-timeline-info { display: flex; flex-direction: column; gap: 0.2rem; }
    .chain-dot {
      width: 34px; height: 34px; border-radius: 3px;
      background: var(--accent-dim);
      border: 1px solid var(--border-accent);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
    }
    .chain-dot svg { width: 16px; height: 16px; stroke: var(--accent); stroke-width: 1.5px; stroke-linecap: round; stroke-linejoin: round; fill: none; }
    .chain-name { font-weight: 700; font-size: 0.82rem; color: var(--white); }
    .chain-sub  { font-size: 0.72rem; color: var(--muted); font-weight: 300; line-height: 1.4; }
    .chain-step {
      font-family: var(--mono);
      font-size: 0.6rem; letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--faint);
      margin-top: 0.2rem;
    }

    /* ── BENEFITS ── */
    #benefits { }
    .benefits-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      margin-top: 3.5rem;
    }
    .benefit-card {
      background: var(--bg);
      padding: 2rem 1.8rem;
      position: relative; overflow: hidden;
      transition: background 0.3s;
    }
    .benefit-card:hover { background: var(--bg-light); }
    .benefit-card:hover .benefit-top-border { width: 100%; }
    .benefit-top-border {
      position: absolute; top: 0; left: 0;
      height: 2px; width: 0;
      background: var(--accent);
      transition: width 0.4s ease;
    }
    .benefit-icon {
      width: 40px; height: 40px; border-radius: 3px;
      background: var(--accent-dim);
      border: 1px solid var(--border-accent);
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 1.2rem;
    }
    .benefit-icon svg { width: 18px; height: 18px; stroke: var(--accent); }
    .benefit-title { font-weight: 700; font-size: 0.95rem; color: var(--white); margin-bottom: 0.5rem; }
    .benefit-body  { font-size: 0.88rem; font-weight: 300; color: var(--muted); line-height: 1.7; }

    /* ── USE CASES ── */
    #usecases { background: var(--bg-light); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
    .usecase-grid {
      display: grid; grid-template-columns: repeat(2, 1fr);
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      margin-top: 3.5rem;
    }
    .usecase-card {
      background: var(--bg);
      padding: 2.2rem 2rem;
      position: relative; overflow: hidden;
      transition: background 0.3s;
    }
    .usecase-card:hover { background: var(--bg-mid); }
    .usecase-card:hover .uc-top { width: 100%; }
    .uc-top {
      position: absolute; top: 0; left: 0;
      height: 2px; width: 0;
      background: var(--accent);
      transition: width 0.4s ease;
    }
    .uc-ghost {
      position: absolute;
      bottom: 1rem; right: 1.5rem;
      font-size: 5rem; font-weight: 800;
      letter-spacing: -0.06em;
      color: rgba(0,210,140,0.05);
      line-height: 1; pointer-events: none;
    }
    .uc-tag {
      font-family: var(--mono);
      font-size: 0.62rem; letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--accent); margin-bottom: 0.8rem;
    }
    .uc-title { font-weight: 800; font-size: 1.1rem; color: var(--white); margin-bottom: 0.7rem; letter-spacing: -0.02em; }
    .uc-body  { font-size: 0.9rem; font-weight: 300; color: var(--muted); line-height: 1.7; }

    /* ── COMPLIANCE ── */
    #compliance { }
    .compliance-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      margin-top: 3.5rem;
    }
    .comp-badge {
      background: var(--bg);
      padding: 1.6rem 1.8rem;
      display: flex; align-items: center; gap: 1rem;
      transition: background 0.3s;
    }
    .comp-badge:hover { background: var(--bg-light); }
    .comp-icon {
      width: 36px; height: 36px; border-radius: 3px;
      background: var(--accent-dim);
      border: 1px solid var(--border-accent);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
    }
    .comp-icon svg { width: 16px; height: 16px; stroke: var(--accent); }
    .comp-label { font-weight: 600; font-size: 0.88rem; color: var(--white); }
    .comp-sub   { font-size: 0.75rem; color: var(--faint); font-family: var(--mono); letter-spacing: 0.04em; }

    /* ── CTA SECTION ── */
    #cta {
      background: var(--bg-light);
      border-top: 1px solid var(--border);
    }
    .cta-inner {
      max-width: 1280px; margin: 0 auto;
      padding: 6rem 3rem;
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 6rem; align-items: center;
      position: relative; z-index: 1;
    }
    .cta-inner--centered {
      grid-template-columns: 1fr;
      max-width: 720px;
      text-align: center;
    }
    .cta-inner--centered .section-label {
      justify-content: center;
    }
    .cta-inner--centered .section-label::before {
      display: none;
    }
    #cta h2 {
      font-family: var(--font);
      font-size: clamp(1.8rem, 3vw, 2.8rem);
      font-weight: 800; letter-spacing: -0.03em;
      color: var(--white); line-height: 1.1;
      margin-bottom: 1rem;
    }
    #cta h2 em { font-style: normal; font-weight: 200; color: var(--accent); }
    .cta-sub { font-size: 1rem; font-weight: 300; color: var(--muted); line-height: 1.75; margin-bottom: 1rem; }
    .cta-note {
      font-family: var(--mono);
      font-size: 0.68rem; letter-spacing: 0.08em;
      color: var(--faint);
      margin-top: 1rem;
    }
    .cta-main-btn {
      margin-top: 1.5rem;
      padding: 1rem 3rem;
      font-size: 0.95rem;
    }
    .cta-form { display: flex; flex-direction: column; gap: 1rem; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
    .form-group { display: flex; flex-direction: column; gap: 0.4rem; }
    .form-group.full { grid-column: 1 / -1; }
    label {
      font-family: var(--mono);
      font-size: 0.65rem; letter-spacing: 0.1em;
      text-transform: uppercase;
      color: rgba(210,225,218,0.9);
    }
    input, textarea {
      background: var(--bg-mid);
      border: 1px solid rgba(255,255,255,0.22);
      border-radius: 3px;
      padding: 0.7rem 1rem;
      color: var(--white);
      font-family: var(--font);
      font-size: 1rem; font-weight: 300;
      outline: none;
      transition: border-color 0.2s;
      width: 100%;
    }
    input:focus, textarea:focus { border-color: var(--accent); }
    input::placeholder, textarea::placeholder { color: var(--faint); }
    textarea { resize: vertical; min-height: 80px; }
    .form-error { font-size: 0.72rem; color: var(--danger); display: none; }
    .form-group.has-error input,
    .form-group.has-error textarea { border-color: var(--danger); }
    .form-group.has-error .form-error { display: block; }

    /* ── FOOTER ── */
    footer {
      background: var(--bg);
      border-top: 1px solid var(--border);
      padding: 2rem 3rem;
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: 1rem;
      position: relative; z-index: 1;
    }
    .footer-logo {
      text-decoration: none;
      display: flex; align-items: center; gap: 0.6rem;
    }
    .footer-logo svg {
      height: 26px;
      width: auto;
      display: block;
    }
    .footer-links { display: flex; gap: 2rem; list-style: none; }
    .footer-links a { font-size: 0.8rem; color: var(--faint); text-decoration: none; transition: color 0.2s; }
    .footer-links a:hover { color: var(--accent); }
    .footer-copy { font-size: 0.78rem; color: var(--faint); font-family: var(--mono); }

    /* ── MODAL ── */
    .modal-overlay {
      position: fixed; inset: 0; z-index: 500;
      background: rgba(7,8,10,0.88);
      backdrop-filter: blur(16px);
      display: flex; align-items: center; justify-content: center;
      padding: 2rem;
      opacity: 0; pointer-events: none;
      transition: opacity 0.3s;
    }
    .modal-overlay.open { opacity: 1; pointer-events: all; }
    .modal {
      background: var(--bg-mid);
      border: 1px solid rgba(255,255,255,0.18);
      border-radius: 4px;
      padding: 3rem;
      max-width: 560px; width: 100%;
      position: relative;
      transform: translateY(16px);
      transition: transform 0.3s;
      box-shadow: 0 8px 48px rgba(0,0,0,0.6);
    }
    .modal-overlay.open .modal { transform: translateY(0); }
    .modal-close {
      position: absolute; top: 1.2rem; right: 1.2rem;
      background: none; border: 1px solid var(--border);
      color: var(--muted); width: 32px; height: 32px;
      border-radius: 3px; cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      font-size: 1rem;
      transition: border-color 0.2s, color 0.2s;
    }
    .modal-close:hover { border-color: var(--accent); color: var(--accent); }
    .modal-eyebrow {
      font-family: var(--mono);
      font-size: 0.65rem; letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--accent); margin-bottom: 0.8rem;
    }
    .modal-title {
      font-weight: 800; font-size: 1.5rem;
      letter-spacing: -0.025em;
      color: var(--white); margin-bottom: 0.4rem;
    }
    .modal-sub {
      font-size: 0.88rem; font-weight: 300;
      color: var(--muted); line-height: 1.6;
      margin-bottom: 2rem;
    }
    .modal-form { display: flex; flex-direction: column; gap: 1rem; }
    .modal-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
    .modal-submit {
      background: var(--accent); color: #07080a;
      font-family: var(--font);
      font-weight: 700; font-size: 0.85rem;
      letter-spacing: 0.05em; text-transform: uppercase;
      padding: 0.85rem; border-radius: 3px;
      border: none; cursor: pointer; width: 100%;
      margin-top: 0.5rem;
      transition: background 0.2s, box-shadow 0.2s;
    }
    .modal-submit:hover { background: var(--accent2); box-shadow: 0 0 24px var(--accent-glow); }
    .modal-note {
      font-family: var(--mono);
      font-size: 0.65rem; letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--faint); text-align: center;
      margin-top: 0.7rem;
    }
    .modal-success {
      text-align: center; padding: 2rem 0;
      display: none;
    }
    .success-icon {
      width: 56px; height: 56px; border-radius: 50%;
      background: var(--accent-dim);
      border: 1.5px solid var(--accent);
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 1.5rem;
    }
    .success-icon svg { width: 26px; height: 26px; stroke: var(--accent); }
    .success-title {
      font-weight: 800; font-size: 1.3rem;
      color: var(--white); margin-bottom: 0.5rem;
    }
    .success-body { font-size: 0.9rem; color: var(--muted); line-height: 1.65; }

    /* ── SCROLL REVEAL ── */
    .reveal {
      opacity: 0; transform: translateY(20px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.visible { opacity: 1; transform: translateY(0); }

    /* ── RESPONSIVE ── */
    @media (max-width: 1100px) {
      .section-inner { padding: 5rem 2rem; }
      #hero { padding: 4rem 2rem; gap: 3rem; }
      .tech-split, .problem-split { gap: 3rem; }
      .cta-inner { gap: 3rem; padding: 5rem 2rem; }
    }
    @media (max-width: 960px) {
      #hero { grid-template-columns: 1fr; text-align: center; }
      .hero-eyebrow { justify-content: center; }
      .hero-body { margin-left: auto; margin-right: auto; }
      .hero-actions { justify-content: center; }
      .hero-right { margin-top: 1rem; gap: 1.5rem; }
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .prob-cards-grid { grid-template-columns: 1fr; }
      .prob-stats-row { grid-template-columns: repeat(2, 1fr); }
      .tech-features-grid { grid-template-columns: 1fr; }
      .chain-timeline { grid-template-columns: 1fr; }
      .chain-timeline-arrow { display: none; }
      .tech-split { grid-template-columns: 1fr; }
      .benefits-grid { grid-template-columns: repeat(2, 1fr); }
      .compliance-grid { grid-template-columns: repeat(2, 1fr); }
      .cta-inner { grid-template-columns: 1fr; }
    }
    @media (max-width: 680px) {
      .steps-grid { grid-template-columns: 1fr; }
      .prob-stats-row { grid-template-columns: 1fr 1fr; }
      .benefits-grid { grid-template-columns: 1fr; }
      .usecase-grid { grid-template-columns: 1fr; }
      .compliance-grid { grid-template-columns: 1fr; }
      .modal-row { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
      .section-inner { padding: 4rem 1.5rem; }
      footer { flex-direction: column; text-align: center; }
      .footer-links { justify-content: center; }
    }

    /* Scroll-margin for fixed nav */
    section[id] { scroll-margin-top: 68px; }

    /* ── LEGAL PAGES ── */
    .legal-hero {
      margin-top: 68px;
      background: var(--bg-light);
      border-bottom: 1px solid var(--border);
      padding: 5rem 3rem 4rem;
      position: relative; z-index: 1;
    }
    .legal-hero-inner {
      max-width: 1280px;
      margin: 0 auto;
    }
    .legal-hero .section-title { margin-bottom: 0; }
    .legal-content {
      max-width: 780px;
    }
    .legal-content h2 {
      font-family: var(--font);
      font-size: 1.05rem; font-weight: 700;
      color: var(--white);
      margin: 2.8rem 0 0.7rem;
      letter-spacing: -0.01em;
    }
    .legal-content h2:first-child { margin-top: 0; }
    .legal-content p {
      font-size: 0.93rem; font-weight: 300;
      color: var(--muted); line-height: 1.8;
      margin-bottom: 0.9rem;
    }
    .legal-content ul, .legal-content ol {
      margin: 0.6rem 0 1rem 1.4rem;
      color: var(--muted);
    }
    .legal-content li {
      font-size: 0.93rem; font-weight: 300;
      line-height: 1.75; margin-bottom: 0.35rem;
    }
    .legal-content a { color: var(--accent); text-decoration: none; }
    .legal-content a:hover { text-decoration: underline; }
    .legal-content strong { color: var(--white); font-weight: 600; }
    .legal-content code {
      font-family: var(--mono); font-size: 0.85em;
      background: var(--accent-dim);
      border: 1px solid var(--border-accent);
      border-radius: 3px; padding: 0.1em 0.4em;
      color: var(--accent);
    }
    .legal-meta {
      font-family: var(--mono);
      font-size: 0.65rem; letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--faint);
      margin-bottom: 2.5rem;
    }
    .legal-divider {
      border: none; border-top: 1px solid var(--border);
      margin: 2.5rem 0;
    }