:root {
      --bg-main: #0C1A2B;
      --bg-card: #1C2A3B;
      --accent: rgb(182, 255, 59);
      --text-main: #FFFFFF;
      --text-secondary: rgba(255, 255, 255, 0.72);
      --text-muted: rgba(255, 255, 255, 0.48);
      --border-soft: rgba(255, 255, 255, 0.08);
      --shadow-soft: 0 24px 80px rgba(0, 0, 0, 0.35);
      --radius-lg: 28px;
      --radius-md: 18px;
      --radius-sm: 12px;
      --max-width: 1180px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: var(--bg-main);
      color: var(--text-main);
      line-height: 1.5;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    .page {
      overflow: hidden;
      background:
        radial-gradient(circle at 80% 10%, rgba(182, 255, 59, 0.13), transparent 28%),
        linear-gradient(180deg, #0C1A2B 0%, #081321 100%);
    }

    .container {
      width: min(100% - 40px, var(--max-width));
      margin: 0 auto;
    }

    .nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 28px 0;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: -0.04em;
      font-size: 1.25rem;
    }

    .logo-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: var(--accent);
      color: var(--bg-main);
      display: grid;
      place-items: center;
      font-weight: 900;
      box-shadow: 0 0 36px rgba(182, 255, 59, 0.26);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      color: var(--text-secondary);
      font-size: 0.94rem;
    }

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

    .nav-cta {
      color: var(--bg-main);
      background: var(--accent);
      padding: 10px 18px;
      border-radius: 999px;
      font-weight: 750;
    }

    .hero {
      min-height: 760px;
      display: grid;
      grid-template-columns: 1.02fr 0.98fr;
      gap: 72px;
      align-items: center;
      padding: 56px 0 120px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--accent);
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      margin-bottom: 22px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 99px;
      background: var(--accent);
      box-shadow: 0 0 18px rgba(182, 255, 59, 0.8);
    }

    h1 {
      font-size: clamp(3.2rem, 8vw, 6.6rem);
      line-height: 0.9;
      letter-spacing: -0.075em;
      max-width: 740px;
      margin-bottom: 28px;
    }

    .accent {
      color: var(--accent);
    }

    .hero-copy {
      max-width: 620px;
      color: var(--text-secondary);
      font-size: clamp(1.05rem, 1.6vw, 1.28rem);
      margin-bottom: 34px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 26px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 54px;
      padding: 0 24px;
      border-radius: var(--radius-sm);
      font-weight: 800;
      transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
    }

    .btn-primary {
      background: var(--accent);
      color: var(--bg-main);
      box-shadow: 0 0 42px rgba(182, 255, 59, 0.19);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 54px rgba(182, 255, 59, 0.27);
    }

    .btn-secondary {
      border: 1px solid var(--border-soft);
      color: var(--text-main);
      background: rgba(255, 255, 255, 0.03);
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.06);
    }

    .trust-line {
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    .phone-stage {
      position: relative;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 620px;
    }

    .phone-glow {
      position: absolute;
      width: 420px;
      height: 420px;
      border-radius: 999px;
      background: rgba(182, 255, 59, 0.13);
      filter: blur(60px);
    }

    .phone {
      position: relative;
      width: min(330px, 80vw);
      min-height: 660px;
      border-radius: 46px;
      background: #07111e;
      border: 10px solid #111f31;
      box-shadow: var(--shadow-soft);
      padding: 22px;
      overflow: hidden;
    }

    .phone::before {
      content: "";
      position: absolute;
      top: 14px;
      left: 50%;
      transform: translateX(-50%);
      width: 94px;
      height: 24px;
      border-radius: 999px;
      background: #07111e;
      z-index: 2;
    }

    .app-screen {
      height: 100%;
      min-height: 594px;
      border-radius: 34px;
      background: var(--bg-main);
      padding: 44px 20px 22px;
    }

    .app-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 26px;
    }

    .app-title {
      font-size: 1.05rem;
      font-weight: 800;
      letter-spacing: -0.04em;
    }

    .app-pill {
      background: rgba(182, 255, 59, 0.11);
      color: var(--accent);
      border: 1px solid rgba(182, 255, 59, 0.22);
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 0.72rem;
      font-weight: 800;
    }

    .workout-card {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: 24px;
      padding: 22px;
      margin-bottom: 16px;
    }

    .workout-card h3 {
      font-size: 1.3rem;
      letter-spacing: -0.04em;
      margin-bottom: 8px;
    }

    .workout-card p {
      color: var(--text-secondary);
      font-size: 0.9rem;
      margin-bottom: 18px;
    }

    .progress {
      width: 100%;
      height: 9px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 999px;
      overflow: hidden;
    }

    .progress span {
      display: block;
      width: 68%;
      height: 100%;
      background: var(--accent);
      border-radius: 999px;
    }

    .exercise-list {
      display: grid;
      gap: 12px;
    }

    .exercise {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: rgba(255, 255, 255, 0.04);
      border-radius: 18px;
      padding: 15px;
      color: var(--text-secondary);
      font-size: 0.9rem;
    }

    .exercise strong {
      color: var(--text-main);
    }

    section {
      padding: 110px 0;
    }

    .section-header {
      max-width: 760px;
      margin-bottom: 44px;
    }

    .section-kicker {
      color: var(--accent);
      font-weight: 850;
      letter-spacing: 0.12em;
      font-size: 0.78rem;
      text-transform: uppercase;
      margin-bottom: 14px;
    }

    h2 {
      font-size: clamp(2.3rem, 5vw, 4.4rem);
      line-height: 0.98;
      letter-spacing: -0.065em;
      margin-bottom: 20px;
    }

    .section-text {
      color: var(--text-secondary);
      font-size: 1.12rem;
      max-width: 680px;
    }

    .problem-grid,
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .card {
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 30px;
      min-height: 220px;
    }

    .card-icon {
      width: 44px;
      height: 44px;
      border-radius: 15px;
      background: rgba(182, 255, 59, 0.1);
      color: var(--accent);
      display: grid;
      place-items: center;
      font-weight: 950;
      margin-bottom: 26px;
    }

    .card h3 {
      font-size: 1.35rem;
      letter-spacing: -0.04em;
      margin-bottom: 12px;
    }

    .card p {
      color: var(--text-secondary);
    }

    .philosophy {
      background:
        radial-gradient(circle at 15% 20%, rgba(182, 255, 59, 0.12), transparent 26%),
        var(--bg-card);
      border-radius: 42px;
      padding: clamp(36px, 7vw, 82px);
      border: 1px solid var(--border-soft);
      position: relative;
      overflow: hidden;
    }

    .philosophy h2 {
      max-width: 860px;
    }

    .philosophy p {
      max-width: 760px;
      color: var(--text-secondary);
      font-size: 1.2rem;
      margin-top: 22px;
    }

    .preview-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .mini-screen {
      min-height: 360px;
      background: var(--bg-card);
      border: 1px solid var(--border-soft);
      border-radius: 30px;
      padding: 22px;
      box-shadow: 0 16px 60px rgba(0, 0, 0, 0.16);
    }

    .mini-bar {
      height: 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.09);
      margin-bottom: 14px;
    }

    .mini-bar.accent-bar {
      background: var(--accent);
      width: 58%;
    }

    .mini-block {
      height: 82px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.05);
      margin-top: 18px;
    }

    .final-cta {
      text-align: center;
      padding-bottom: 130px;
    }

    .final-cta h2 {
      margin-left: auto;
      margin-right: auto;
      max-width: 900px;
    }

    .final-cta p {
      margin: 0 auto 32px;
      color: var(--text-secondary);
      font-size: 1.2rem;
      max-width: 620px;
    }

    footer {
      border-top: 1px solid var(--border-soft);
      padding: 34px 0;
      color: var(--text-muted);
      font-size: 0.92rem;
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }

    .footer-links {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }

    @media (max-width: 920px) {
      .nav-links {
        display: none;
      }

      .hero {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-top: 30px;
      }

      .phone-stage {
        min-height: 520px;
      }

      .phone {
        min-height: 560px;
      }

      .app-screen {
        min-height: 494px;
      }

      .problem-grid,
      .feature-grid,
      .preview-row {
        grid-template-columns: 1fr;
      }

      section {
        padding: 82px 0;
      }
    }