:root {
      --bg:        #080b14;
      --bg2:       #0d1120;
      --bg3:       #111827;
      --border:    #1e2a45;
      --border2:   #2d3f63;
      --accent:    #4f6ef7;
      --accent2:   #7c8ff5;
      --accent3:   #a5b4fc;
      --gold:      #c9a84c;
      --gold2:     #e8c97a;
      --text:      #e2e8f0;
      --muted:     #64748b;
      --muted2:    #94a3b8;
    }

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

    html { scroll-behavior: smooth; }

    body {
      background: var(--bg);
      color: var(--text);
      font-family: 'DM Sans', sans-serif;
      font-weight: 300;
      line-height: 1.7;
      overflow-x: hidden;
    }

    /* ── noise 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='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='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 9999;
      opacity: 0.4;
    }

    /* ── grid lines ── */
    body::after {
      content: '';
      position: fixed;
      inset: 0;
      background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
      background-size: 80px 80px;
      opacity: 0.12;
      pointer-events: none;
      z-index: 0;
    }

    /* ── typography ── */
    .cinzel { font-family: 'Cinzel', serif; }

    /* ── nav ── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 48px;
      background: rgba(8, 11, 20, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }

    .nav-logo {
      font-family: 'Cinzel', serif;
      font-weight: 900;
      font-size: 1.3rem;
      letter-spacing: 0.12em;
      color: var(--gold);
      text-decoration: none;
    }

    .nav-logo span {
      color: var(--accent3);
      font-weight: 400;
      font-size: 0.75rem;
      display: block;
      letter-spacing: 0.2em;
      margin-top: -4px;
    }

    nav a.cta-nav {
      font-family: 'Cinzel', serif;
      font-size: 0.75rem;
      letter-spacing: 0.15em;
      color: var(--gold);
      border: 1px solid var(--gold);
      padding: 8px 20px;
      text-decoration: none;
      transition: background 0.2s, color 0.2s;
    }

    nav a.cta-nav:hover {
      background: var(--gold);
      color: var(--bg);
    }

    /* ── hero ── */
    .hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 120px 24px 80px;
      z-index: 1;
      overflow: hidden;
    }

    .hero-glow {
      position: absolute;
      width: 700px;
      height: 700px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(79,110,247,0.12) 0%, transparent 70%);
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      pointer-events: none;
    }

    .hero-glow2 {
      position: absolute;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
      top: 30%;
      left: 60%;
      pointer-events: none;
    }

    .hero-tag {
      font-family: 'Cinzel', serif;
      font-size: 0.7rem;
      letter-spacing: 0.35em;
      color: var(--gold);
      border: 1px solid rgba(201,168,76,0.3);
      padding: 6px 18px;
      margin-bottom: 32px;
      animation: fadeUp 0.8s ease both;
    }

    .hero h1 {
      font-family: 'Cinzel', serif;
      font-size: clamp(3rem, 8vw, 6.5rem);
      font-weight: 900;
      line-height: 1.0;
      letter-spacing: 0.04em;
      color: var(--text);
      margin-bottom: 8px;
      animation: fadeUp 0.8s 0.1s ease both;
    }

    .hero h1 em {
      font-style: normal;
      color: var(--gold);
    }

    .hero-sub {
      font-family: 'Cinzel', serif;
      font-size: clamp(0.8rem, 2vw, 1rem);
      letter-spacing: 0.25em;
      color: var(--accent3);
      margin-bottom: 28px;
      animation: fadeUp 0.8s 0.2s ease both;
    }

    .hero p {
      max-width: 560px;
      font-size: 1.05rem;
      color: var(--muted2);
      margin-bottom: 48px;
      animation: fadeUp 0.8s 0.3s ease both;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      justify-content: center;
      animation: fadeUp 0.8s 0.4s ease both;
    }

    .btn-primary {
      font-family: 'Cinzel', serif;
      font-size: 0.8rem;
      letter-spacing: 0.15em;
      background: var(--accent);
      color: #fff;
      border: none;
      padding: 14px 32px;
      cursor: pointer;
      text-decoration: none;
      transition: background 0.2s, transform 0.2s;
      display: inline-block;
    }

    .btn-primary:hover {
      background: var(--accent2);
      transform: translateY(-2px);
    }

    .btn-ghost {
      font-family: 'Cinzel', serif;
      font-size: 0.8rem;
      letter-spacing: 0.15em;
      background: transparent;
      color: var(--muted2);
      border: 1px solid var(--border2);
      padding: 14px 32px;
      cursor: pointer;
      text-decoration: none;
      transition: border-color 0.2s, color 0.2s, transform 0.2s;
      display: inline-block;
    }

    .btn-ghost:hover {
      border-color: var(--accent3);
      color: var(--accent3);
      transform: translateY(-2px);
    }

    /* ── divider ── */
    .divider {
      display: flex;
      align-items: center;
      gap: 16px;
      margin: 0 auto 80px;
      max-width: 300px;
    }

    .divider::before, .divider::after {
      content: '';
      flex: 1;
      height: 1px;
      background: var(--border);
    }

    .divider-icon {
      font-family: 'Cinzel', serif;
      font-size: 0.6rem;
      letter-spacing: 0.3em;
      color: var(--gold);
      opacity: 0.6;
    }

    /* ── sections ── */
    section {
      position: relative;
      z-index: 1;
      padding: 80px 24px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .section-label {
      font-family: 'Cinzel', serif;
      font-size: 0.65rem;
      letter-spacing: 0.4em;
      color: var(--gold);
      margin-bottom: 16px;
      display: block;
    }

    .section-title {
      font-family: 'Cinzel', serif;
      font-size: clamp(1.6rem, 4vw, 2.8rem);
      font-weight: 600;
      line-height: 1.2;
      margin-bottom: 16px;
    }

    .section-desc {
      color: var(--muted2);
      max-width: 560px;
      margin-bottom: 56px;
      font-size: 1rem;
    }

    /* ── feature grid ── */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
    }

    .feature-card {
      background: var(--bg2);
      padding: 36px 32px;
      transition: background 0.2s;
      position: relative;
      overflow: hidden;
    }

    .feature-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--accent), transparent);
      opacity: 0;
      transition: opacity 0.3s;
    }

    .feature-card:hover { background: var(--bg3); }
    .feature-card:hover::before { opacity: 1; }

    .feature-number {
      font-family: 'Cinzel', serif;
      font-size: 0.65rem;
      letter-spacing: 0.3em;
      color: var(--gold);
      opacity: 0.5;
      margin-bottom: 16px;
    }

    .feature-icon {
      font-size: 1.8rem;
      margin-bottom: 16px;
      display: block;
    }

    .feature-title {
      font-family: 'Cinzel', serif;
      font-size: 1rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      margin-bottom: 10px;
      color: var(--text);
    }

    .feature-desc {
      font-size: 0.9rem;
      color: var(--muted2);
      line-height: 1.6;
    }

    /* ── tier section ── */
    .tier-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      margin-top: 48px;
    }

    .tier-card {
      background: var(--bg2);
      padding: 48px 40px;
      position: relative;
      overflow: hidden;
    }

    .tier-card.featured {
      background: var(--bg3);
    }

    .tier-card.featured::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(79,110,247,0.05) 0%, transparent 60%);
      pointer-events: none;
    }

    .tier-badge {
      font-family: 'Cinzel', serif;
      font-size: 0.6rem;
      letter-spacing: 0.3em;
      padding: 4px 12px;
      border: 1px solid;
      display: inline-block;
      margin-bottom: 20px;
    }

    .tier-badge.wasm {
      color: var(--accent3);
      border-color: rgba(165,180,252,0.3);
    }

    .tier-badge.server {
      color: var(--gold);
      border-color: rgba(201,168,76,0.3);
    }

    .tier-name {
      font-family: 'Cinzel', serif;
      font-size: 1.6rem;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .tier-desc {
      color: var(--muted2);
      font-size: 0.9rem;
      margin-bottom: 28px;
      line-height: 1.6;
    }

    .tier-features {
      list-style: none;
    }

    .tier-features li {
      font-size: 0.88rem;
      color: var(--muted2);
      padding: 8px 0;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .tier-features li:last-child { border-bottom: none; }

    .tier-features li::before {
      content: '—';
      color: var(--accent);
      flex-shrink: 0;
      margin-top: 1px;
    }

    /* ── onboarding flow ── */
    .flow {
      display: flex;
      flex-direction: column;
      gap: 0;
      margin-top: 48px;
      border: 1px solid var(--border);
    }

    .flow-step {
      display: flex;
      align-items: flex-start;
      gap: 32px;
      padding: 32px 40px;
      background: var(--bg2);
      border-bottom: 1px solid var(--border);
      transition: background 0.2s;
      position: relative;
    }

    .flow-step:last-child { border-bottom: none; }
    .flow-step:hover { background: var(--bg3); }

    .flow-step-num {
      font-family: 'Cinzel', serif;
      font-size: 2rem;
      font-weight: 900;
      color: var(--border2);
      flex-shrink: 0;
      width: 48px;
      line-height: 1;
      margin-top: 2px;
    }

    .flow-step:hover .flow-step-num {
      color: var(--accent);
    }

    .flow-step-content h3 {
      font-family: 'Cinzel', serif;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 6px;
      letter-spacing: 0.05em;
    }

    .flow-step-content p {
      font-size: 0.9rem;
      color: var(--muted2);
    }

    .flow-connector {
      position: absolute;
      left: 63px;
      bottom: -1px;
      width: 1px;
      height: 1px;
      background: var(--accent);
    }

    /* ── blazor highlight ── */
    .blazor-block {
      background: var(--bg2);
      border: 1px solid var(--border);
      padding: 56px 48px;
      position: relative;
      overflow: hidden;
      margin-top: 0;
    }

    .blazor-block::before {
      content: '';
      position: absolute;
      top: -60px; right: -60px;
      width: 300px; height: 300px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(79,110,247,0.08) 0%, transparent 70%);
      pointer-events: none;
    }

    .blazor-block .section-title { margin-bottom: 16px; }

    .stat-row {
      display: flex;
      gap: 48px;
      margin-top: 40px;
      flex-wrap: wrap;
    }

    .stat {
      display: flex;
      flex-direction: column;
    }

    .stat-value {
      font-family: 'Cinzel', serif;
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--accent3);
      line-height: 1;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.8rem;
      color: var(--muted);
      letter-spacing: 0.1em;
    }

    /* ── cta block ── */
    .cta-block {
      background: var(--bg2);
      border: 1px solid var(--border);
      border-top: 2px solid var(--accent);
      padding: 72px 48px;
      text-align: center;
      position: relative;
      overflow: hidden;
      margin: 0 24px 80px;
      max-width: 1100px;
      margin-left: auto;
      margin-right: auto;
    }

    .cta-block::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 50% 0%, rgba(79,110,247,0.07) 0%, transparent 60%);
      pointer-events: none;
    }

    .cta-block .section-label { text-align: center; }
    .cta-block .section-title { text-align: center; margin-bottom: 16px; }

    .cta-block p {
      color: var(--muted2);
      max-width: 480px;
      margin: 0 auto 40px;
    }

    /* ── footer ── */
    footer {
      position: relative;
      z-index: 1;
      border-top: 1px solid var(--border);
      padding: 32px 48px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    footer .nav-logo { font-size: 1rem; }

    footer p {
      font-size: 0.8rem;
      color: var(--muted);
    }

    /* ── animations ── */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: none;
    }

    /* ── responsive ── */
    @media (max-width: 700px) {
      nav { padding: 16px 20px; }
      section { padding: 60px 16px; }
      .tier-wrap { grid-template-columns: 1fr; }
      .flow-step { padding: 24px 20px; gap: 16px; }
      .blazor-block { padding: 36px 24px; }
      .cta-block { padding: 48px 24px; margin: 0 16px 60px; }
      footer { padding: 24px 20px; flex-direction: column; align-items: flex-start; }
    }