/* ─── DESIGN TOKENS ──────────────────────────────── */
    :root {
      --bg: #0a0a0f;
      --bg2: #111118;
      --bg3: #16161f;
      --surface: #1c1c28;
      --surface2: #222232;
      --border: rgba(255,255,255,0.07);
      --border2: rgba(255,255,255,0.12);
      --primary: #6c63ff;
      --primary-light: #8b85ff;
      --primary-glow: rgba(108,99,255,0.25);
      --accent: #00e5a0;
      --accent-glow: rgba(0,229,160,0.2);
      --danger: #ff5c7a;
      --text: #f0f0f8;
      --text2: #9898b8;
      --text3: #5a5a7a;
      --radius: 14px;
      --radius-sm: 8px;
      --radius-lg: 20px;

      /* ── Typography ── */
      --font-display: 'Manrope', 'Inter', system-ui, -apple-system, sans-serif;
      --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

      /* ── Type Scale (fluid, 1.25 ratio) ── */
      --text-xs:   0.75rem;   /* 12px — labels, badges, legal */
      --text-sm:   0.8125rem; /* 13px — captions, meta */
      --text-base: 0.9375rem; /* 15px — body copy */
      --text-md:   1rem;      /* 16px — large body, card desc */
      --text-lg:   1.125rem;  /* 18px — sub-headlines */
      --text-xl:   1.25rem;   /* 20px — card titles */
      --text-2xl:  1.5rem;    /* 24px — H3 section sub */
      --text-3xl:  1.875rem;  /* 30px — H2 on mobile */
      --text-4xl:  2.25rem;   /* 36px — H2 desktop */
      --text-5xl:  clamp(2.5rem, 5vw, 3.75rem); /* H1 */
      --text-6xl:  clamp(3rem, 6vw, 4.5rem);    /* Hero max */

      /* ── Line Heights ── */
      --leading-tight:  1.1;
      --leading-snug:   1.25;
      --leading-normal: 1.5;
      --leading-relaxed: 1.65;
      --leading-loose:  1.8;

      /* ── Letter Spacing ── */
      --tracking-tighter: -0.04em;
      --tracking-tight:   -0.02em;
      --tracking-normal:  0em;
      --tracking-wide:    0.04em;
      --tracking-wider:   0.08em;
      --tracking-widest:  0.12em;

      --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* ─── RESET ──────────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--font-body);
      font-size: var(--text-base);
      line-height: var(--leading-relaxed);
      font-weight: 400;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      text-rendering: optimizeLegibility;
      overflow-x: hidden;
      font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
    }

    /* ─── GLOBAL TYPE HIERARCHY ──────────────────────── */

    /* H1 — Hero headline, max visual impact */
    h1 {
      font-family: var(--font-display);
      font-size: var(--text-5xl);
      font-weight: 900;
      line-height: var(--leading-tight);
      letter-spacing: var(--tracking-tighter);
      color: var(--text);
    }

    /* H2 — Section headings */
    h2 {
      font-family: var(--font-display);
      font-size: var(--text-4xl);
      font-weight: 800;
      line-height: var(--leading-snug);
      letter-spacing: var(--tracking-tight);
      color: var(--text);
    }

    /* H3 — Card/sub-section titles */
    h3 {
      font-family: var(--font-display);
      font-size: var(--text-xl);
      font-weight: 700;
      line-height: var(--leading-snug);
      letter-spacing: -0.01em;
      color: var(--text);
    }

    /* H4 — Micro headings, labels */
    h4 {
      font-family: var(--font-body);
      font-size: var(--text-xs);
      font-weight: 700;
      line-height: var(--leading-normal);
      letter-spacing: var(--tracking-widest);
      text-transform: uppercase;
      color: var(--text3);
    }

    /* Body copy */
    p {
      font-family: var(--font-body);
      font-size: var(--text-base);
      font-weight: 400;
      line-height: var(--leading-relaxed);
      color: var(--text2);
    }

    /* Small / meta text */
    small {
      font-size: var(--text-sm);
      font-weight: 400;
      line-height: var(--leading-normal);
      color: var(--text3);
    }

    /* Strong within body */
    strong { font-weight: 600; color: var(--text); }

    /* Links */
    a { color: inherit; text-decoration: none; }
    button { cursor: pointer; border: none; background: none; font-family: var(--font-body); }
    input { font-family: var(--font-body); }

    /* ─── SCROLLBAR ──────────────────────────────────── */
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: var(--bg); }
    ::-webkit-scrollbar-thumb { background: var(--surface2); border-radius: 3px; }

    /* ─── NOISE TEXTURE OVERLAY ──────────────────────── */
    body::before {
      content: '';
      position: fixed; inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
      pointer-events: none; z-index: 0; opacity: 0.4;
    }

    /* ─── LAYOUT ─────────────────────────────────────── */
    .container { max-width: 1160px; margin: 0 auto; padding: 0 24px; position: relative; }
    section { position: relative; z-index: 1; }

    /* ─── ANIMATIONS ─────────────────────────────────── */
    @keyframes fadeUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
    @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
    @keyframes pulse-glow { 0%,100% { box-shadow: 0 0 0 0 var(--primary-glow); } 50% { box-shadow: 0 0 32px 8px var(--primary-glow); } }
    @keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
    @keyframes spin-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
    @keyframes number-pop { 0% { transform: scale(0.8); opacity: 0; } 60% { transform: scale(1.08); } 100% { transform: scale(1); opacity: 1; } }
    @keyframes shimmer { 0% { background-position: -200% center; } 100% { background-position: 200% center; } }

    .anim-fade-up { animation: fadeUp 0.7s ease both; }
    .anim-fade-up-d1 { animation: fadeUp 0.7s 0.1s ease both; }
    .anim-fade-up-d2 { animation: fadeUp 0.7s 0.22s ease both; }
    .anim-fade-up-d3 { animation: fadeUp 0.7s 0.34s ease both; }
    .anim-fade-in { animation: fadeIn 1s 0.5s ease both; }

    /* ─── NAVBAR ─────────────────────────────────────── */
    #navbar {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      padding: 0 24px;
      transition: all var(--transition);
    }
    #navbar.scrolled {
      background: rgba(10,10,15,0.88);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
    }
    .nav-inner {
      max-width: 1160px; margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between;
      height: 68px;
    }
    .nav-logo {
      display: flex; align-items: center; gap: 10px;
      font-family: var(--font-display); font-size: 1.25rem; font-weight: 800; letter-spacing: -0.03em;
    }
    .nav-logo-icon {
      width: 36px; height: 36px; background: var(--primary);
      border-radius: 10px; display: flex; align-items: center; justify-content: center;
      font-size: 0.95rem; font-weight: 800; color: #fff;
      box-shadow: 0 0 20px var(--primary-glow);
    }
    .nav-logo span { color: var(--primary-light); }
    .nav-links {
      display: flex; align-items: center; gap: 32px;
      list-style: none;
    }
    .nav-links a {
      font-size: var(--text-sm); font-weight: 500; color: var(--text2);
      letter-spacing: 0.01em;
      transition: color var(--transition);
    }
    .nav-links a:hover { color: var(--text); }
    .nav-cta {
      background: var(--primary); color: #fff;
      padding: 9px 20px; border-radius: var(--radius-sm);
      font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.01em;
      transition: all var(--transition);
      box-shadow: 0 4px 16px var(--primary-glow);
    }
    .nav-cta:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: 0 8px 24px var(--primary-glow); }
    .nav-mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; }
    .nav-mobile-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--transition); }
    .mobile-menu {
      display: none; position: fixed; top: 68px; left: 0; right: 0;
      background: var(--bg2); border-bottom: 1px solid var(--border);
      padding: 20px 24px; z-index: 99; flex-direction: column; gap: 16px;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a { font-size: var(--text-md); font-weight: 500; color: var(--text2); padding: 10px 0; border-bottom: 1px solid var(--border); letter-spacing: 0.01em; }
    .mobile-menu a:last-child { border: none; }

    /* ─── HERO ───────────────────────────────────────── */
    #hero {
      min-height: 100vh; display: flex; align-items: center;
      padding: 120px 0 80px;
      overflow: hidden;
    }
    .hero-glow {
      position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
      width: 900px; height: 600px; border-radius: 50%;
      background: radial-gradient(ellipse, rgba(108,99,255,0.18) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero-grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
    }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(108,99,255,0.1); border: 1px solid rgba(108,99,255,0.25);
      border-radius: 100px; padding: 6px 14px;
      font-size: var(--text-xs); font-weight: 700; color: var(--primary-light);
      margin-bottom: 24px; letter-spacing: var(--tracking-wider); text-transform: uppercase;
      font-family: var(--font-body);
    }
    .hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse-glow 2s infinite; }
    h1.hero-title {
      font-family: var(--font-display);
      font-size: clamp(2.75rem, 6vw, 4.25rem);
      font-weight: 900;
      line-height: var(--leading-tight);
      letter-spacing: var(--tracking-tighter);
      margin-bottom: 22px;
    }
    h1.hero-title .highlight {
      background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-sub {
      font-size: var(--text-lg); font-weight: 400;
      color: var(--text2); line-height: var(--leading-relaxed);
      margin-bottom: 36px; max-width: 480px;
      letter-spacing: 0.005em;
    }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 44px; }
    .btn-primary {
      display: inline-flex; align-items: center; gap: 8px;
      background: var(--primary); color: #fff;
      padding: 13px 24px; border-radius: var(--radius-sm);
      font-size: var(--text-base); font-weight: 600; letter-spacing: 0.01em;
      transition: all var(--transition);
      box-shadow: 0 8px 28px var(--primary-glow);
    }
    .btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 12px 36px var(--primary-glow); }
    .btn-secondary {
      display: inline-flex; align-items: center; gap: 8px;
      background: var(--surface); color: var(--text);
      border: 1px solid var(--border2);
      padding: 13px 24px; border-radius: var(--radius-sm);
      font-size: var(--text-base); font-weight: 500; letter-spacing: 0.01em;
      transition: all var(--transition);
    }
    .btn-secondary:hover { background: var(--surface2); border-color: var(--primary); }
    .hero-stats { display: flex; gap: 36px; }

    .stat-val { font-family: var(--font-display); font-size: 1.75rem; font-weight: 800; color: var(--text); letter-spacing: var(--tracking-tight); line-height: 1; }
    .stat-label { font-size: var(--text-xs); font-weight: 500; color: var(--text3); margin-top: 4px; letter-spacing: 0.02em; }

    /* Hero Tool Card */
    .hero-tool-card {
      background: var(--surface);
      border: 1px solid var(--border2);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04) inset;
      animation: float 6s ease-in-out infinite;
    }
    .tool-tabs {
      display: flex; gap: 4px;
      background: var(--bg3); border-radius: var(--radius-sm);
      padding: 4px; margin-bottom: 22px;
    }
    .tool-tab {
      flex: 1; padding: 8px 4px; border-radius: 6px;
      font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.02em;
      color: var(--text3); transition: all var(--transition);
      text-align: center; font-family: var(--font-body);
    }
    .tool-tab.active {
      background: var(--primary); color: #fff;
      box-shadow: 0 2px 10px var(--primary-glow);
    }
    .tool-tab:hover:not(.active) { color: var(--text2); background: var(--surface2); }
    .tool-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
    .field-group label {
      display: block; font-size: var(--text-xs); font-weight: 600;
      color: var(--text3); margin-bottom: 6px;
      letter-spacing: var(--tracking-wider); text-transform: uppercase;
      font-family: var(--font-body);
    }
    .field-input {
      width: 100%; padding: 10px 14px;
      background: var(--bg3); border: 1px solid var(--border);
      border-radius: var(--radius-sm); color: var(--text);
      font-size: var(--text-base); font-family: var(--font-mono); font-weight: 500;
      transition: all var(--transition);
      appearance: textfield; -moz-appearance: textfield;
    }
    .field-input::-webkit-inner-spin-button,
    .field-input::-webkit-outer-spin-button { -webkit-appearance: none; }
    .field-input:focus { outline: none; border-color: var(--primary); background: rgba(108,99,255,0.06); box-shadow: 0 0 0 3px var(--primary-glow); }
    .calc-btn {
      width: 100%; padding: 12px;
      background: var(--primary); color: #fff;
      border-radius: var(--radius-sm); font-size: var(--text-base); font-weight: 700;
      letter-spacing: 0.01em; transition: all var(--transition);
      box-shadow: 0 4px 16px var(--primary-glow);
      font-family: var(--font-body);
    }
    .calc-btn:hover { background: var(--primary-light); transform: translateY(-1px); }
    .result-box {
      margin-top: 14px;
      background: var(--bg3); border: 1px solid var(--border2);
      border-radius: var(--radius-sm); padding: 16px;
      text-align: center; min-height: 72px;
      display: flex; flex-direction: column; align-items: center; justify-content: center;
    }
    .result-number {
      font-family: var(--font-display); font-size: 2.25rem; font-weight: 900;
      color: var(--primary-light); line-height: 1; letter-spacing: var(--tracking-tight);
    }
    .result-number.increase { color: var(--accent); }
    .result-number.decrease { color: var(--danger); }
    .result-label { font-size: var(--text-sm); font-weight: 500; color: var(--text3); margin-top: 5px; letter-spacing: 0.01em; }
    .result-calc { font-size: var(--text-xs); color: var(--text3); font-family: var(--font-mono); font-weight: 400; margin-top: 10px; background: var(--surface); padding: 7px 10px; border-radius: 5px; line-height: 1.5; }
    .result-placeholder { color: var(--text3); font-size: var(--text-sm); font-weight: 400; }
    .result-error { color: var(--danger); font-size: var(--text-sm); font-weight: 600; }
    .action-row { display: flex; gap: 8px; margin-top: 12px; }
    .action-btn {
      flex: 1; padding: 8px; background: var(--surface2); border: 1px solid var(--border);
      border-radius: var(--radius-sm); font-size: var(--text-xs); font-weight: 600; color: var(--text2);
      transition: all var(--transition); display: flex; align-items: center; justify-content: center; gap: 5px;
    }
    .action-btn:hover { background: var(--surface); border-color: var(--border2); color: var(--text); }

    /* ─── SECTION COMMON ─────────────────────────────── */
    .section-label {
      display: inline-block;
      font-family: var(--font-body);
      font-size: var(--text-xs); font-weight: 700;
      letter-spacing: var(--tracking-widest);
      text-transform: uppercase; color: var(--primary-light);
      margin-bottom: 14px;
    }
    h2.section-title {
      font-family: var(--font-display);
      font-size: clamp(1.875rem, 4vw, 2.75rem);
      font-weight: 800; letter-spacing: var(--tracking-tight); line-height: var(--leading-snug);
      margin-bottom: 18px; color: var(--text);
    }
    .section-sub {
      font-size: var(--text-lg); font-weight: 400;
      color: var(--text2); max-width: 540px;
      line-height: var(--leading-relaxed);
      letter-spacing: 0.005em;
    }
    .section-head { margin-bottom: 60px; }
    .section-head.center { text-align: center; }
    .section-head.center .section-sub { margin: 0 auto; }

    /* ─── TRUSTED BAR ────────────────────────────────── */
    #trusted { padding: 32px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
    .trusted-inner { display: flex; align-items: center; gap: 48px; flex-wrap: wrap; justify-content: center; }
    .trusted-label { font-family: var(--font-body); font-size: var(--text-xs); font-weight: 600; color: var(--text3); letter-spacing: var(--tracking-wider); text-transform: uppercase; white-space: nowrap; }
    .trusted-logos { display: flex; align-items: center; gap: 36px; flex-wrap: wrap; justify-content: center; }
    .trusted-logo { font-family: var(--font-display); font-size: var(--text-base); font-weight: 700; color: var(--text3); letter-spacing: var(--tracking-tight); opacity: 0.5; transition: opacity var(--transition); }
    .trusted-logo:hover { opacity: 0.8; }

    /* ─── FEATURES ───────────────────────────────────── */
    #features { padding: 100px 0; }
    .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .feature-card {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius); padding: 28px;
      transition: all var(--transition); position: relative; overflow: hidden;
    }
    .feature-card::before {
      content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      opacity: 0; transition: opacity var(--transition);
    }
    .feature-card:hover { border-color: var(--border2); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
    .feature-card:hover::before { opacity: 1; }
    .feature-icon {
      width: 48px; height: 48px; border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.4rem; margin-bottom: 18px;
    }
    .feature-icon.purple { background: rgba(108,99,255,0.15); }
    .feature-icon.green { background: rgba(0,229,160,0.12); }
    .feature-icon.blue { background: rgba(59,130,246,0.12); }
    .feature-icon.orange { background: rgba(251,146,60,0.12); }
    .feature-icon.pink { background: rgba(236,72,153,0.12); }
    .feature-icon.yellow { background: rgba(234,179,8,0.12); }
    h3.feature-title {
      font-family: var(--font-display); font-size: var(--text-md); font-weight: 700;
      letter-spacing: -0.01em; margin-bottom: 10px; line-height: var(--leading-snug);
    }
    .feature-desc { font-size: var(--text-base); color: var(--text2); line-height: var(--leading-relaxed); }

    /* ─── HOW IT WORKS ───────────────────────────────── */
    #how { padding: 100px 0; background: var(--bg2); }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
    .steps::before {
      content: ''; position: absolute; top: 28px; left: 12%; right: 12%; height: 1px;
      background: linear-gradient(90deg, transparent, var(--border2) 20%, var(--border2) 80%, transparent);
    }
    .step { text-align: center; padding: 24px 16px; position: relative; }
    .step-num {
      width: 56px; height: 56px; border-radius: 50%;
      background: var(--surface); border: 1px solid var(--border2);
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-display); font-size: 1.25rem; font-weight: 800; color: var(--primary-light);
      margin: 0 auto 20px; letter-spacing: var(--tracking-tight);
      position: relative; z-index: 1;
    }
    h3.step-title {
      font-family: var(--font-display); font-size: var(--text-md); font-weight: 700;
      margin-bottom: 10px; letter-spacing: -0.01em; line-height: var(--leading-snug);
    }
    .step-desc { font-size: var(--text-base); color: var(--text2); line-height: var(--leading-relaxed); }

    /* ─── USE CASES ──────────────────────────────────── */
    #usecases { padding: 100px 0; }
    .usecases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .usecase-card {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius); padding: 28px;
      display: flex; gap: 20px; align-items: flex-start;
      transition: all var(--transition);
    }
    .usecase-card:hover { border-color: var(--border2); transform: translateY(-2px); }
    .usecase-icon { font-size: 2rem; flex-shrink: 0; margin-top: 2px; }
    h3.usecase-title {
      font-family: var(--font-display); font-size: var(--text-md); font-weight: 700;
      margin-bottom: 8px; letter-spacing: -0.01em; line-height: var(--leading-snug);
    }
    .usecase-desc { font-size: var(--text-base); color: var(--text2); line-height: var(--leading-relaxed); }

    /* ─── TESTIMONIALS ───────────────────────────────── */
    #testimonials { padding: 100px 0; background: var(--bg2); }
    .testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .testimonial-card {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius); padding: 28px;
      transition: all var(--transition);
    }
    .testimonial-card:hover { border-color: var(--border2); transform: translateY(-3px); }
    .stars { color: #f5a623; font-size: var(--text-sm); margin-bottom: 14px; letter-spacing: 2px; }
    .testimonial-text {
      font-size: var(--text-base); font-weight: 400;
      color: var(--text2); line-height: var(--leading-relaxed);
      margin-bottom: 20px; font-style: italic;
    }
    .testimonial-author { display: flex; align-items: center; gap: 12px; }
    .author-avatar {
      width: 38px; height: 38px; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-display); font-size: var(--text-xs); font-weight: 800; color: #fff;
      flex-shrink: 0;
    }
    .author-name { font-size: var(--text-base); font-weight: 600; letter-spacing: -0.01em; }
    .author-role { font-size: var(--text-xs); font-weight: 400; color: var(--text3); margin-top: 2px; }

    /* ─── PRICING ────────────────────────────────────── */
    #pricing { padding: 100px 0; }
    .pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }
    .pricing-card {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius); padding: 32px; position: relative;
      transition: all var(--transition);
    }
    .pricing-card.featured {
      border-color: var(--primary); background: rgba(108,99,255,0.06);
      box-shadow: 0 0 0 1px rgba(108,99,255,0.2), 0 30px 60px rgba(0,0,0,0.3);
    }
    .pricing-badge {
      position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
      background: var(--primary); color: #fff;
      padding: 4px 16px; border-radius: 100px;
      font-family: var(--font-body); font-size: var(--text-xs); font-weight: 700;
      letter-spacing: var(--tracking-wider); text-transform: uppercase;
      white-space: nowrap;
    }
    .pricing-plan {
      font-family: var(--font-body); font-size: var(--text-xs); font-weight: 700;
      color: var(--text3); letter-spacing: var(--tracking-widest);
      text-transform: uppercase; margin-bottom: 12px;
    }
    .pricing-price {
      font-family: var(--font-display); font-size: 3rem; font-weight: 900;
      letter-spacing: var(--tracking-tighter); margin-bottom: 4px; line-height: 1;
    }
    .pricing-price sup { font-size: 1.25rem; vertical-align: super; font-weight: 700; }
    .pricing-price .period { font-size: var(--text-md); font-weight: 400; color: var(--text3); }
    .pricing-desc { font-size: var(--text-sm); font-weight: 400; color: var(--text2); margin-bottom: 24px; line-height: var(--leading-relaxed); }
    .pricing-features { list-style: none; margin-bottom: 28px; display: flex; flex-direction: column; gap: 10px; }
    .pricing-features li { font-size: var(--text-base); font-weight: 400; color: var(--text2); display: flex; align-items: center; gap: 10px; }
    .pricing-features li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }
    .pricing-features li.off { color: var(--text3); }
    .pricing-features li.off::before { content: '–'; color: var(--text3); }
    .pricing-btn-free {
      width: 100%; padding: 12px; border-radius: var(--radius-sm);
      border: 1px solid var(--border2); background: transparent; color: var(--text);
      font-family: var(--font-body); font-size: var(--text-base); font-weight: 600;
      letter-spacing: 0.01em; transition: all var(--transition);
    }
    .pricing-btn-free:hover { background: var(--surface2); }
    .pricing-btn-main {
      width: 100%; padding: 12px; border-radius: var(--radius-sm);
      background: var(--primary); color: #fff;
      font-family: var(--font-body); font-size: var(--text-base); font-weight: 700;
      letter-spacing: 0.01em; transition: all var(--transition);
      box-shadow: 0 4px 16px var(--primary-glow);
    }
    .pricing-btn-main:hover { background: var(--primary-light); transform: translateY(-1px); }

    /* ─── FAQ ────────────────────────────────────────── */
    #faq { padding: 100px 0; background: var(--bg2); }
    .faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 760px; margin: 0 auto; }
    .faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
    .faq-question {
      width: 100%; text-align: left; padding: 20px 24px;
      display: flex; justify-content: space-between; align-items: center; gap: 16px;
      font-family: var(--font-body); font-size: var(--text-base); font-weight: 600;
      color: var(--text); letter-spacing: -0.005em; line-height: var(--leading-snug);
      transition: all var(--transition);
    }
    .faq-question:hover { color: var(--primary-light); }
    .faq-icon {
      width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--border2);
      display: flex; align-items: center; justify-content: center;
      font-size: 1rem; color: var(--text3); flex-shrink: 0;
      transition: all var(--transition);
    }
    .faq-item.open .faq-icon { transform: rotate(45deg); border-color: var(--primary); color: var(--primary-light); }
    .faq-answer {
      display: none; padding: 0 24px 22px;
      font-family: var(--font-body); font-size: var(--text-base); font-weight: 400;
      color: var(--text2); line-height: var(--leading-relaxed);
      border-top: 1px solid var(--border); padding-top: 16px;
    }
    .faq-item.open .faq-answer { display: block; }

    /* ─── FINAL CTA ──────────────────────────────────── */
    #cta { padding: 120px 0; text-align: center; position: relative; overflow: hidden; }
    .cta-glow {
      position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
      width: 800px; height: 400px; border-radius: 50%;
      background: radial-gradient(ellipse, rgba(108,99,255,0.2) 0%, transparent 70%);
      pointer-events: none;
    }
    h2.cta-title {
      font-family: var(--font-display);
      font-size: clamp(2.25rem, 5vw, 3.5rem);
      font-weight: 900; letter-spacing: var(--tracking-tighter);
      margin-bottom: 18px; line-height: var(--leading-tight);
    }
    .cta-sub {
      font-size: var(--text-lg); font-weight: 400;
      color: var(--text2); margin-bottom: 36px;
      line-height: var(--leading-relaxed);
    }
    .cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

    /* ─── FOOTER ─────────────────────────────────────── */
    footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 60px 0 32px; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
   
    .footer-brand-name {
      font-family: var(--font-display); font-size: 1.25rem; font-weight: 800;
      letter-spacing: var(--tracking-tight); margin-bottom: 12px;
    }
    .footer-brand-desc {
      font-family: var(--font-body); font-size: var(--text-sm); font-weight: 400;
      color: var(--text3); line-height: var(--leading-relaxed); max-width: 240px;
    }
    .footer-col h4 {
      font-family: var(--font-body); font-size: var(--text-xs); font-weight: 700;
      letter-spacing: var(--tracking-widest); text-transform: uppercase;
      color: var(--text3); margin-bottom: 16px;
    }
    .footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .footer-links a {
      font-family: var(--font-body); font-size: var(--text-sm); font-weight: 400;
      color: var(--text2); transition: color var(--transition);
    }
    .footer-links a:hover { color: var(--text); }
    .footer-bottom {
      border-top: 1px solid var(--border); padding-top: 28px;
      display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
    }
    .footer-copy { font-family: var(--font-body); font-size: var(--text-xs); font-weight: 400; color: var(--text3); }
    .footer-legal { display: flex; gap: 20px; }
    .footer-legal a { font-family: var(--font-body); font-size: var(--text-xs); font-weight: 400; color: var(--text3); transition: color var(--transition); }
    .footer-legal a:hover { color: var(--text2); }

    /* ─── FORMULA SECTION ────────────────────────────── */
    #formulas { padding: 56px 0; }
    .formula-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .formula-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 22px; }
    .formula-name {
      font-family: var(--font-body); font-size: var(--text-xs); font-weight: 700;
      color: var(--text3); text-transform: uppercase; letter-spacing: var(--tracking-wider);
      margin-bottom: 10px;
    }
    .formula-expr {
      font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 500;
      color: var(--primary-light); background: var(--bg3); padding: 9px 12px; border-radius: 6px;
      line-height: 1.5;
    }

    /* ─── STATS BAR ──────────────────────────────────── */
    #stats-bar { padding: 60px 0; }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
    .stat-card { padding: 24px; border-right: 1px solid var(--border); }
    .stat-card:last-child { border-right: none; }
    .stat-big {
      font-family: var(--font-display); font-size: 2.5rem; font-weight: 900;
      letter-spacing: var(--tracking-tighter); color: var(--text); line-height: 1;
    }
    .stat-big span { color: var(--primary-light); }
    .stat-desc {
      font-family: var(--font-body); font-size: var(--text-sm); font-weight: 400;
      color: var(--text3); margin-top: 6px; line-height: var(--leading-normal);
    }

    /* ─── TOAST ──────────────────────────────────────── */
    .toast {
      position: fixed; bottom: 24px; right: 24px; z-index: 999;
      background: var(--surface); border: 1px solid var(--border2);
      border-radius: var(--radius-sm); padding: 14px 20px;
      font-family: var(--font-body); font-size: var(--text-sm); font-weight: 500;
      color: var(--text); box-shadow: 0 20px 40px rgba(0,0,0,0.4);
      transform: translateY(80px); opacity: 0;
      transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
      display: flex; align-items: center; gap: 10px;
    }
    .toast.show { transform: translateY(0); opacity: 1; }
    .toast-icon { font-size: 1rem; }

    /* ─── TRUST BADGES ───────────────────────────────── */
    .trust-badges {
      display: flex; flex-wrap: wrap; gap: 10px;
      margin-bottom: 28px;
    }
    .trust-badge {
      display: inline-flex; align-items: center; gap: 6px;
      background: rgba(0,229,160,0.08); border: 1px solid rgba(0,229,160,0.2);
      border-radius: 100px; padding: 5px 12px;
      font-family: var(--font-body); font-size: var(--text-xs); font-weight: 600;
      color: var(--accent); letter-spacing: 0.02em;
    }
    .trust-badge-icon { font-size: 0.75rem; }
    .mid-cta-strip {
      background: var(--surface); border: 1px solid var(--border2);
      border-radius: var(--radius); padding: 32px 40px;
      display: flex; align-items: center; justify-content: space-between;
      gap: 24px; flex-wrap: wrap; margin: 0 0 0;
    }
    .mid-cta-text h3 {
      font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800;
      letter-spacing: var(--tracking-tight); margin-bottom: 6px;
    }
    .mid-cta-text p {
      font-size: var(--text-base); color: var(--text2); margin: 0;
    }

    /* ─── RESPONSIVE ─────────────────────────────────── */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; gap: 40px; }
      .hero-tool-card { animation: none; max-width: 480px; margin: 0 auto; }
      .features-grid { grid-template-columns: repeat(2, 1fr); }
      .steps { grid-template-columns: repeat(2, 1fr); }
      .steps::before { display: none; }
      .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
      .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .stat-card:nth-child(2) { border-right: none; }
      .formula-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .nav-links, .nav-cta { display: none; }
      .nav-mobile-toggle { display: flex; }
      .features-grid { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr; }
      .usecases-grid { grid-template-columns: 1fr; }
      .testimonials-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
      .hero-stats { flex-wrap: wrap; gap: 20px; }
      .tool-fields { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: 1fr 1fr; }
      .stat-card:nth-child(2n) { border-right: none; }
      .stat-card { border-right: none; border-bottom: 1px solid var(--border); padding: 16px; }
    }