:root {
      --bg: #090c08;
      --foreground: #f8fafc;
      --primary: #0096FF;
      --accent: #FF6D00;
      --destructive: #F97316;
      --card: #19191c;
      --card-06: rgba(25, 25, 28, 0.6);
      --card-05: rgba(25, 25, 28, 0.5);
      --muted-fg: #94a3b8;
      --border-subtle: rgba(255, 255, 255, 0.06);
      --border-subtle-08: rgba(255, 255, 255, 0.08);
      --border-subtle-05: rgba(255, 255, 255, 0.05);
      --glow-blue: rgba(0, 150, 255, 0.30);
      --glow-blue-mid: rgba(0, 150, 255, 0.18);
      --glow-orange: rgba(255, 109, 0, 0.25);
      --glow-orange-mid: rgba(255, 109, 0, 0.14);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Plus Jakarta Sans', sans-serif;
      background: var(--bg);
      color: var(--foreground);
      overflow-x: hidden;
      line-height: 1.6;
    }

    h1,
    h2,
    h3,
    .heading {
      font-family: 'Space Grotesk', sans-serif;
    }

    .glow-layer {
      position: fixed;
      inset: 0;
      z-index: 0;
      overflow: hidden;
      pointer-events: none;
    }

    .glow-blob {
      position: absolute;
      border-radius: 999px;
    }

    .glow-blob-1 {
      width: 700px;
      height: 420px;
      background: radial-gradient(ellipse, var(--glow-blue), var(--glow-blue-mid) 25%, rgba(0, 150, 255, 0.08) 55%, rgba(0, 150, 255, 0.03) 85%, transparent);
      top: -150px;
      left: -200px;
      transform: rotate(-20deg);
      animation: drift-a 24s ease-in-out infinite alternate;
    }

    .glow-blob-2 {
      width: 760px;
      height: 500px;
      background: radial-gradient(ellipse, var(--glow-orange), var(--glow-orange-mid) 25%, rgba(255, 109, 0, 0.07) 55%, rgba(255, 109, 0, 0.03) 85%, transparent);
      bottom: -120px;
      right: -220px;
      transform: rotate(22deg);
      animation: drift-b 20s ease-in-out infinite alternate;
    }

    .glow-blob-3 {
      width: 520px;
      height: 360px;
      background: radial-gradient(ellipse, var(--glow-blue-mid), rgba(0, 150, 255, 0.10) 25%, rgba(0, 150, 255, 0.05) 55%, rgba(0, 150, 255, 0.02) 85%, transparent);
      top: 18%;
      right: -120px;
      transform: rotate(35deg);
      animation: drift-a 28s ease-in-out infinite alternate-reverse;
    }

    .blur-layer {
      position: fixed;
      inset: 0;
      z-index: 1;
      backdrop-filter: blur(100px);
      -webkit-backdrop-filter: blur(100px);
      pointer-events: none;
    }

    @keyframes drift-a {
      0% {
        transform: rotate(-20deg) translate(0, 0);
      }

      100% {
        transform: rotate(-18deg) translate(30px, -20px);
      }
    }

    @keyframes drift-b {
      0% {
        transform: rotate(22deg) translate(0, 0);
      }

      100% {
        transform: rotate(24deg) translate(-25px, 15px);
      }
    }

    .stars {
      position: fixed;
      inset: 0;
      z-index: 0;
      pointer-events: none;
    }

    .star {
      position: absolute;
      width: 2px;
      height: 2px;
      background: #f8fafc;
      border-radius: 50%;
      animation: twinkle 3s ease-in-out infinite alternate;
    }

    @keyframes twinkle {
      0% {
        opacity: 0.08;
      }

      100% {
        opacity: 0.6;
      }
    }

    .content {
      position: relative;
      z-index: 2;
    }

    nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      padding: 16px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: rgba(9, 12, 8, 0.7);
      backdrop-filter: blur(60px);
      -webkit-backdrop-filter: blur(60px);
      border-bottom: 1px solid var(--border-subtle);
    }

    .logo {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 1.5rem;
      color: var(--primary);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .logo-mark {
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      animation: logo-bounce 2.4s ease-in-out infinite;
    }

    @keyframes logo-bounce {
      0%, 100% { transform: translateY(0) rotate(-3deg); }
      30%       { transform: translateY(-6px) rotate(3deg); }
      60%       { transform: translateY(-3px) rotate(-2deg); }
    }

    .logo-underline {
      height: 2px;
      border-radius: 1px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      width: 100%;
      margin-top: 2px;
    }

    .nav-links {
      display: flex;
      gap: 28px;
      align-items: center;
    }

    .nav-links a {
      color: var(--muted-fg);
      text-decoration: none;
      font-size: 0.85rem;
      font-weight: 600;
      transition: color 0.3s;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .nav-links a:hover {
      color: var(--foreground);
    }

    .btn-nav {
      background: var(--card-06);
      border: 1px solid var(--border-subtle-08);
      color: var(--foreground);
      padding: 10px 22px;
      border-radius: 16px;
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 0.85rem;
      cursor: pointer;
      transition: all 0.3s;
    }

    .btn-nav:hover {
      background: rgba(25, 25, 28, 0.8);
      border-color: rgba(255, 255, 255, 0.12);
    }

    /* Nav waitlist expandable */
    .nav-waitlist {
      position: relative;
    }

    .nav-waitlist-form {
      display: none;
      align-items: center;
      gap: 6px;
      background: var(--card-06);
      border: 1px solid var(--border-subtle-08);
      border-radius: 16px;
      padding: 4px 4px 4px 14px;
      animation: fadeUp 0.3s ease-out;
    }

    .nav-waitlist-form.show {
      display: flex;
    }

    .nav-waitlist-form.show+.nothing {}

    /* placeholder */
    .nav-email-input {
      background: transparent;
      border: none;
      outline: none;
      color: var(--foreground);
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 0.85rem;
      width: 180px;
    }

    .nav-email-input::placeholder {
      color: var(--muted-fg);
    }

    .nav-email-submit {
      background: linear-gradient(90deg, var(--primary), var(--accent));
      border: none;
      border-radius: 12px;
      color: #fff;
      font-weight: 700;
      font-size: 1rem;
      width: 36px;
      height: 36px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: opacity 0.3s;
      flex-shrink: 0;
    }

    .nav-email-submit:hover {
      opacity: 0.85;
    }

    .nav-waitlist-success {
      display: none;
      color: #4ade80;
      font-weight: 700;
      font-size: 0.85rem;
      padding: 10px 22px;
      animation: fadeUp 0.3s ease-out;
    }

    .nav-waitlist-success.show {
      display: block;
    }

    /* Hero waitlist expandable */
    .hero-waitlist {
      position: relative;
    }

    .hero-waitlist-form {
      display: none;
      align-items: center;
      gap: 8px;
      background: var(--card-06);
      border: 1px solid var(--border-subtle-08);
      border-radius: 24px;
      padding: 6px 6px 6px 20px;
      animation: fadeUp 0.3s ease-out;
    }

    .hero-waitlist-form.show {
      display: flex;
    }

    .hero-email-input {
      background: transparent;
      border: none;
      outline: none;
      color: var(--foreground);
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 1rem;
      width: 220px;
    }

    .hero-email-input::placeholder {
      color: var(--muted-fg);
    }

    .hero-email-submit {
      background: linear-gradient(90deg, var(--primary), var(--accent));
      border: none;
      border-radius: 18px;
      color: #fff;
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 0.9rem;
      padding: 14px 24px;
      cursor: pointer;
      white-space: nowrap;
      transition: opacity 0.3s;
    }

    .hero-email-submit:hover {
      opacity: 0.85;
    }

    .hero-waitlist-success {
      display: none;
      color: #4ade80;
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 1.1rem;
      padding: 18px 40px;
      background: var(--card-06);
      border: 1px solid rgba(74, 222, 128, 0.2);
      border-radius: 24px;
      animation: fadeUp 0.3s ease-out;
    }

    .hero-waitlist-success.show {
      display: block;
    }

    .hero {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 100px 24px 40px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 4px 12px;
      border-radius: 99px;
      background: rgba(0, 150, 255, 0.1);
      border: 1px solid rgba(0, 150, 255, 0.2);
      font-size: 10px;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 24px;
      animation: fadeUp 0.7s ease-out both;
    }

    .badge-dot {
      width: 6px;
      height: 6px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 6px var(--primary);
      animation: pulse-dot 2s ease-in-out infinite;
    }

    @keyframes pulse-dot {

      0%,
      100% {
        opacity: 1;
      }

      50% {
        opacity: 0.3;
      }
    }

    .hero h1 {
      font-size: clamp(3.2rem, 8vw, 6.5rem);
      font-weight: 700;
      letter-spacing: -2px;
      line-height: 1.02;
      margin-bottom: 20px;
      animation: fadeUp 0.7s 0.12s ease-out both;
    }

    .hero h1 .grad {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-sub {
      font-size: 1.05rem;
      color: var(--muted-fg);
      max-width: 480px;
      margin-bottom: 28px;
      line-height: 1.75;
      animation: fadeUp 0.7s 0.24s ease-out both;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      justify-content: center;
      animation: fadeUp 0.7s 0.36s ease-out both;
    }

    .btn-primary {
      padding: 16px 36px;
      border-radius: 24px;
      border: none;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      color: #fff;
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 0.95rem;
      cursor: pointer;
      transition: all 0.3s;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn-primary:hover {
      opacity: 0.9;
      transform: translateY(-2px);
    }

    .btn-secondary {
      padding: 16px 36px;
      border-radius: 24px;
      border: 1px solid var(--border-subtle-08);
      background: var(--card-06);
      color: var(--foreground);
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 1rem;
      cursor: pointer;
      transition: all 0.3s;
    }

    .btn-secondary:hover {
      border-color: rgba(255, 255, 255, 0.15);
      background: rgba(25, 25, 28, 0.8);
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(20px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .phone-showcase {
      display: flex;
      justify-content: center;
      padding: 0 24px 48px;
      animation: fadeUp 0.9s 0.5s ease-out both;
    }

    .phone {
      width: 290px;
      height: 620px;
      background: var(--bg);
      border-radius: 44px;
      border: 2px solid rgba(255, 255, 255, 0.08);
      position: relative;
      overflow: hidden;
      box-shadow: 0 0 80px rgba(0, 150, 255, 0.06), 0 40px 80px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    .phone-notch {
      position: absolute;
      top: 10px;
      left: 50%;
      transform: translateX(-50%);
      width: 90px;
      height: 22px;
      background: #000;
      border-radius: 16px;
      z-index: 5;
    }

    .phone-inner {
      padding: 52px 20px 20px;
      height: 100%;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      position: relative;
    }

    .phone-glow-1 {
      position: absolute;
      width: 300px;
      height: 180px;
      border-radius: 999px;
      background: radial-gradient(ellipse, rgba(0, 150, 255, 0.25), rgba(0, 150, 255, 0.08) 40%, transparent 70%);
      top: -60px;
      left: -80px;
      transform: rotate(-20deg);
      pointer-events: none;
    }

    .phone-glow-2 {
      position: absolute;
      width: 320px;
      height: 200px;
      border-radius: 999px;
      background: radial-gradient(ellipse, rgba(255, 109, 0, 0.18), rgba(255, 109, 0, 0.06) 40%, transparent 70%);
      bottom: -40px;
      right: -100px;
      transform: rotate(22deg);
      pointer-events: none;
    }

    .phone-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 8px;
      position: relative;
      z-index: 2;
    }

    .phone-title {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 16px;
      color: var(--primary);
      letter-spacing: -0.3px;
    }

    .phone-title-line {
      height: 2px;
      border-radius: 1px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      margin-top: 2px;
      width: 100%;
    }

    .phone-subtitle {
      font-size: 9px;
      color: var(--muted-fg);
      margin-top: 2px;
    }

    .phone-avatar {
      width: 32px;
      height: 32px;
      border-radius: 16px;
      background: var(--card);
      border: 1.5px solid rgba(0, 150, 255, 0.3);
      overflow: hidden;
    }

    .phone-avatar img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .phone-mascot-area {
      display: flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
      height: 210px;
      position: relative;
      z-index: 2;
      margin-bottom: 20px;
    }

    .phone-mascot-ring {
      position: absolute;
      width: 180px;
      height: 180px;
      border-radius: 90px;
      border: 1.5px solid rgba(0, 150, 255, 0.15);
    }

    .phone-mascot-ring-outer {
      position: absolute;
      width: 200px;
      height: 200px;
      border-radius: 100px;
      border: 1px solid rgba(255, 109, 0, 0.08);
    }

    .phone-mascot-glow {
      position: absolute;
      width: 180px;
      height: 180px;
      border-radius: 90px;
      background: radial-gradient(circle, rgba(255, 109, 0, 0.35), rgba(255, 109, 0, 0.18) 30%, rgba(255, 109, 0, 0.06) 60%, transparent);
    }

    .phone-mascot {
      width: 190px;
      height: 190px;
      animation: mascot-float 3.2s ease-in-out infinite;
      z-index: 3;
    }

    .phone-mascot img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    @keyframes mascot-float {

      0%,
      100% {
        transform: translateY(0);
      }

      50% {
        transform: translateY(-10px);
      }
    }

    .phone-usage-bar {
      background: var(--card-06);
      border-radius: 12px;
      padding: 7px 12px;
      border: 1px solid var(--border-subtle);
      display: flex;
      align-items: center;
      gap: 4px;
      margin-bottom: 10px;
      position: relative;
      z-index: 2;
    }

    .phone-usage-label {
      font-size: 7px;
      font-weight: 700;
      color: var(--muted-fg);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      margin-right: 6px;
    }

    .phone-usage-app {
      display: flex;
      align-items: center;
      gap: 3px;
      margin-right: 8px;
    }

    .phone-usage-dot {
      width: 6px;
      height: 6px;
      border-radius: 3px;
    }

    .phone-usage-time {
      font-size: 8px;
      font-weight: 600;
      color: var(--muted-fg);
    }

    .phone-study-btn {
      background: linear-gradient(90deg, var(--primary), var(--accent));
      border-radius: 18px;
      padding: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-bottom: 10px;
      position: relative;
      z-index: 2;
    }

    .phone-study-btn span {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 12px;
      color: #fff;
    }

    .phone-stage-card {
      background: var(--card-06);
      border-radius: 18px;
      padding: 16px;
      border: 1px solid var(--border-subtle);
      position: relative;
      z-index: 2;
    }

    .phone-stage-header {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-bottom: 4px;
    }

    .phone-stage-name {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 10px;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .phone-stage-sub {
      font-size: 9px;
      color: var(--muted-fg);
      margin-bottom: 12px;
    }

    .phone-stage-bar-label {
      display: flex;
      justify-content: space-between;
      margin-bottom: 5px;
    }

    .phone-stage-bar-label span:first-child {
      font-size: 7px;
      font-weight: 700;
      color: var(--muted-fg);
      text-transform: uppercase;
      letter-spacing: 2px;
    }

    .phone-stage-bar-label span:last-child {
      font-size: 10px;
      font-weight: 700;
      color: var(--accent);
    }

    .phone-bar {
      height: 7px;
      background: rgba(255, 255, 255, 0.06);
      border-radius: 6px;
      overflow: hidden;
    }

    .phone-bar-fill {
      height: 100%;
      border-radius: 6px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      width: 82%;
    }

    /* Tab bar matching app's TabBar.tsx */
    .phone-tabbar {
      display: flex;
      margin-top: auto;
      padding: 6px 0 12px;
      background: rgba(9, 12, 8, 0.85);
      backdrop-filter: blur(60px);
      -webkit-backdrop-filter: blur(60px);
      border-top: 1px solid var(--border-subtle);
      position: relative;
      z-index: 10;
    }

    .phone-tab {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 2px;
      padding-top: 8px;
      position: relative;
      color: var(--muted-fg);
    }

    .phone-tab span {
      font-size: 6px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .phone-tab-active {
      color: var(--primary);
    }

    .phone-tab-indicator {
      position: absolute;
      top: 0;
      width: 18px;
      height: 3px;
      background: var(--primary);
      border-radius: 1.5px;
      box-shadow: 0 0 6px var(--primary);
    }

    .gatekeeper-section {
      padding: 48px 24px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .gk-header {
      text-align: center;
      margin-bottom: 32px;
    }

    .gk-header h2 {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700;
      letter-spacing: -1px;
      margin-bottom: 12px;
    }

    .gk-header p {
      color: var(--muted-fg);
      max-width: 440px;
      margin: 0 auto;
    }

    .gk-demo {
      max-width: 420px;
      margin: 0 auto;
      background: rgba(0, 0, 0, 0.5);
      border-radius: 24px;
      padding: 24px;
      border: 1px solid var(--border-subtle-08);
    }

    .gk-locked-app {
      display: flex;
      flex-direction: column;
      align-items: center;
      margin-bottom: 18px;
    }

    .gk-app-icon {
      width: 64px;
      height: 64px;
      background: rgba(0, 0, 0, 0.6);
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border-subtle-08);
      font-size: 28px;
      position: relative;
      margin-bottom: 12px;
    }

    .gk-lock-badge {
      position: absolute;
      bottom: -5px;
      right: -5px;
      width: 22px;
      height: 22px;
      border-radius: 11px;
      background: var(--destructive);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 10px;
      border: 2.5px solid var(--bg);
    }

    .gk-app-title {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 16px;
    }

    .gk-app-sub {
      font-size: 12px;
      color: var(--muted-fg);
      margin-top: 2px;
    }

    .gk-subject-badge {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      background: rgba(0, 150, 255, 0.1);
      border: 1px solid rgba(0, 150, 255, 0.2);
      border-radius: 99px;
      padding: 3px 10px;
      margin-bottom: 16px;
    }

    .gk-subject-badge span {
      font-size: 9px;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 2px;
    }

    .gk-question {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 15px;
      line-height: 1.5;
      margin-bottom: 16px;
    }

    .gk-option {
      padding: 12px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-subtle);
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 6px;
      cursor: pointer;
      transition: all 0.25s;
    }

    .gk-option:hover {
      border-color: rgba(0, 150, 255, 0.3);
      background: rgba(0, 150, 255, 0.04);
    }

    .gk-option.gk-correct {
      border-color: var(--primary);
      background: rgba(0, 150, 255, 0.08);
    }

    .gk-option-letter {
      width: 28px;
      height: 28px;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-subtle);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 700;
      color: var(--muted-fg);
      flex-shrink: 0;
    }

    .gk-option-text {
      font-size: 12px;
      color: var(--muted-fg);
      line-height: 1.5;
    }

    .gk-correct .gk-option-letter {
      background: rgba(0, 150, 255, 0.15);
      border-color: rgba(0, 150, 255, 0.3);
      color: var(--primary);
    }

    .gk-correct .gk-option-text {
      color: var(--foreground);
    }

    .gk-reward {
      display: flex;
      align-items: center;
      gap: 14px;
      background: rgba(255, 255, 255, 0.02);
      border-radius: 20px;
      padding: 12px 16px;
      margin-top: 12px;
      border: 1px solid var(--border-subtle-05);
    }

    .gk-reward-icon {
      width: 40px;
      height: 40px;
      border-radius: 20px;
      background: rgba(255, 109, 0, 0.1);
      border: 1px solid rgba(255, 109, 0, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
    }

    .gk-reward-label {
      font-size: 9px;
      font-weight: 700;
      color: var(--muted-fg);
      text-transform: uppercase;
      letter-spacing: 2px;
    }

    .gk-reward-value {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 16px;
      color: var(--accent);
    }

    .stats {
      padding: 0 24px 80px;
      max-width: 800px;
      margin: 0 auto;
    }

    .stats-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .stat-card {
      background: var(--card-05);
      border-radius: 24px;
      padding: 24px;
      border: 1px solid var(--border-subtle-05);
      text-align: left;
    }

    .stat-label {
      font-size: 9px;
      font-weight: 700;
      color: var(--muted-fg);
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 6px;
    }

    .stat-value {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 2rem;
      color: var(--foreground);
      display: flex;
      align-items: baseline;
      gap: 3px;
    }

    .stat-value .unit {
      font-size: 1rem;
      color: var(--primary);
    }

    .stat-badge {
      display: inline-flex;
      margin-top: 10px;
      padding: 3px 8px;
      border-radius: 99px;
      font-size: 8px;
      font-weight: 700;
    }

    .stat-badge.blue {
      background: rgba(0, 150, 255, 0.1);
      border: 1px solid rgba(0, 150, 255, 0.2);
      color: var(--primary);
    }

    .stat-badge.orange {
      background: rgba(255, 109, 0, 0.1);
      border: 1px solid rgba(255, 109, 0, 0.2);
      color: var(--accent);
    }

    .features {
      padding: 48px 24px 56px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .features-header {
      text-align: center;
      margin-bottom: 36px;
    }

    .features-header h2 {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700;
      letter-spacing: -1px;
      margin-bottom: 12px;
    }

    .features-header p {
      color: var(--muted-fg);
      max-width: 460px;
      margin: 0 auto;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .feature-card {
      background: var(--card-05);
      border: 1px solid var(--border-subtle-05);
      border-radius: 24px;
      padding: 24px;
      transition: all 0.35s;
    }

    .feature-card:hover {
      border-color: rgba(255, 255, 255, 0.1);
      transform: translateY(-3px);
      box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
    }

    .feature-icon {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      margin-bottom: 16px;
    }

    .fi-blue {
      background: rgba(0, 150, 255, 0.1);
      border: 1px solid rgba(0, 150, 255, 0.2);
    }

    .fi-orange {
      background: rgba(255, 109, 0, 0.1);
      border: 1px solid rgba(255, 109, 0, 0.2);
    }

    .feature-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .feature-card p {
      font-size: 0.85rem;
      color: var(--muted-fg);
      line-height: 1.65;
    }

    .evolution {
      padding: 80px 24px;
      text-align: center;
    }

    .evolution h2 {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700;
      letter-spacing: -1px;
      margin-bottom: 12px;
    }

    .evolution>p {
      color: var(--muted-fg);
      margin-bottom: 48px;
      max-width: 400px;
      margin-left: auto;
      margin-right: auto;
    }

    .evo-track {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 32px;
      flex-wrap: wrap;
      max-width: 800px;
      margin: 0 auto;
    }

    .evo-stage {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
    }

    .evo-orb {
      border-radius: 50%;
      position: relative;
    }

    .evo-orb.nebula {
      width: 56px;
      height: 56px;
      background: radial-gradient(circle, rgba(0, 150, 255, 0.35), rgba(0, 150, 255, 0.05));
      box-shadow: 0 0 30px rgba(0, 150, 255, 0.15);
    }

    .evo-orb.protostar {
      width: 66px;
      height: 66px;
      background: radial-gradient(circle at 40% 40%, var(--accent), rgba(255, 109, 0, 0.25));
      box-shadow: 0 0 35px rgba(255, 109, 0, 0.2);
    }

    .evo-orb.star {
      width: 76px;
      height: 76px;
      background: radial-gradient(circle at 40% 40%, var(--primary), rgba(0, 150, 255, 0.25));
      box-shadow: 0 0 40px rgba(0, 150, 255, 0.25);
    }

    .evo-orb.supernova {
      width: 86px;
      height: 86px;
      background: radial-gradient(circle at 35% 35%, #fff, var(--primary), #8B5CF6, var(--accent));
      box-shadow: 0 0 50px rgba(255, 255, 255, 0.1), 0 0 80px rgba(0, 150, 255, 0.15);
      animation: sn-pulse 2.5s ease-in-out infinite alternate;
    }

    @keyframes sn-pulse {
      0% {
        box-shadow: 0 0 50px rgba(255, 255, 255, 0.1), 0 0 80px rgba(0, 150, 255, 0.15);
      }

      100% {
        box-shadow: 0 0 70px rgba(255, 255, 255, 0.2), 0 0 100px rgba(255, 109, 0, 0.2);
      }
    }

    .evo-arrow {
      color: rgba(255, 255, 255, 0.15);
      font-size: 1.4rem;
    }

    .evo-label {
      font-size: 9px;
      font-weight: 700;
      color: var(--muted-fg);
      text-transform: uppercase;
      letter-spacing: 2px;
    }

    .cta {
      padding: 48px 24px;
      text-align: center;
    }

    /* Evolution section */
    .evolution {
      padding: 48px 24px 56px;
      text-align: center;
    }

    .evolution h2 {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700;
      letter-spacing: -1px;
      margin-bottom: 10px;
    }

    .evo-sub {
      color: var(--muted-fg);
      margin-bottom: 40px;
      max-width: 420px;
      margin-left: auto;
      margin-right: auto;
    }

    .evo-track {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
      max-width: 1100px;
      margin: 0 auto;
    }

    .evo-stage {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
    }

    .evo-img-wrap {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      transition: transform 0.3s;
    }

    .evo-img-wrap:hover {
      transform: scale(1.1);
    }

    .evo-img-wrap img {
      width: 80px;
      height: 80px;
      object-fit: contain;
    }

    .evo-glow-purple {
      background: radial-gradient(circle, rgba(200, 160, 255, 0.2), transparent 70%);
    }

    .evo-glow-orange {
      background: radial-gradient(circle, rgba(255, 200, 100, 0.2), transparent 70%);
    }

    .evo-glow-fire {
      background: radial-gradient(circle, rgba(255, 109, 0, 0.25), transparent 70%);
    }

    .evo-glow-gold {
      background: radial-gradient(circle, rgba(255, 230, 100, 0.2), transparent 70%);
    }

    .evo-glow-blue {
      background: radial-gradient(circle, rgba(0, 200, 255, 0.2), transparent 70%);
    }

    .evo-glow-rainbow {
      background: radial-gradient(circle, rgba(255, 100, 100, 0.15), rgba(100, 200, 255, 0.1) 50%, transparent 70%);
    }

    .evo-glow-dark {
      background: radial-gradient(circle, rgba(255, 150, 50, 0.15), transparent 70%);
    }

    .evo-name {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 0.8rem;
      color: var(--foreground);
    }

    .evo-tier {
      font-size: 9px;
      font-weight: 700;
      color: var(--muted-fg);
      text-transform: uppercase;
      letter-spacing: 2px;
    }

    .evo-arrow {
      color: rgba(255, 255, 255, 0.12);
      font-size: 1.6rem;
      margin-top: -28px;
      font-weight: 300;
    }

    .cta-box {
      max-width: 560px;
      margin: 0 auto;
      padding: 44px 32px;
      border-radius: 28px;
      background: var(--card-05);
      border: 1px solid var(--border-subtle-05);
      position: relative;
      overflow: hidden;
    }

    .cta-box::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0, 150, 255, 0.2), rgba(255, 109, 0, 0.15), transparent);
    }

    .cta-box h2 {
      font-size: clamp(1.8rem, 4vw, 2.4rem);
      font-weight: 700;
      letter-spacing: -1px;
      margin-bottom: 12px;
    }

    .cta-box p {
      color: var(--muted-fg);
      margin-bottom: 28px;
    }

    .email-row {
      display: flex;
      gap: 10px;
      max-width: 400px;
      margin: 0 auto;
    }

    .email-input {
      flex: 1;
      padding: 14px 18px;
      border-radius: 16px;
      border: 1px solid var(--border-subtle-08);
      background: rgba(255, 255, 255, 0.02);
      color: var(--foreground);
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 0.9rem;
      outline: none;
      transition: border-color 0.3s;
    }

    .email-input::placeholder {
      color: var(--muted-fg);
    }

    .email-input:focus {
      border-color: rgba(0, 150, 255, 0.4);
    }

    .btn-submit {
      padding: 14px 24px;
      border-radius: 16px;
      border: none;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      color: #fff;
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 0.9rem;
      cursor: pointer;
      white-space: nowrap;
      transition: opacity 0.3s;
    }

    .btn-submit:hover {
      opacity: 0.85;
    }

    footer {
      padding: 36px 24px;
      text-align: center;
      border-top: 1px solid var(--border-subtle);
      color: var(--muted-fg);
      font-size: 0.75rem;
    }

    footer a {
      color: var(--muted-fg);
      text-decoration: none;
    }

    footer a:hover {
      color: var(--foreground);
    }

    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: all 0.6s ease-out;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 768px) {
      .stats-row {
        grid-template-columns: 1fr;
      }

      .feature-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 640px) {
      nav {
        padding: 14px 18px;
      }

      .nav-links a:not(.btn-nav) {
        display: none;
      }

      .email-row {
        flex-direction: column;
      }

      .evo-arrow {
        display: none;
      }

      .evo-track {
        gap: 16px;
      }
    }