/* ===== Design tokens ===== */
    :root{
      --bg: #0a0a0f;
      --bg-soft:#111318;
      --bg-card:#151821;
      --text:#f6f7fb;
      --text-soft:#e4e6ef;
      --muted:#9ca3af;
      --muted-dark:#6b7280;
      --edge:#1f2937;
      --edge-soft:#374151;
      --brand:#00d4ff;
      --brand-2:#8b5cf6;
      --brand-glow:#00d4ff33;
      --ok:#10b981;
      --warn:#f59e0b;
      --font: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
      --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
      --radius: 20px;
      --radius-sm: 12px;
      --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
      --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
      --gradient-bg: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
      --blur: blur(100px);
    }
    
    @media (prefers-color-scheme: light){
      :root{
        --bg:#ffffff;
        --bg-soft:#f9fafb;
        --bg-card:#ffffff;
        --text:#111827;
        --text-soft:#374151;
        --muted:#6b7280;
        --muted-dark:#9ca3af;
        --edge:#e5e7eb;
        --edge-soft:#d1d5db;
        --brand-glow:#00d4ff22;
        --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
        --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.05), 0 8px 10px -6px rgb(0 0 0 / 0.05);
      }
    }

    /* ===== Base ===== */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    html {
      scroll-behavior: smooth;
    }
    
    html, body { height: 100% }
    
    body {
      font-family: var(--font);
      color: var(--text);
      background: var(--bg);
      background-image: var(--gradient-bg);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
    }
    
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 clamp(20px, 5vw, 40px);
    }
    
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }
    
    .muted { color: var(--muted) }
    .sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0,0,0,0) }

    /* ===== Animations ===== */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    @keyframes glow {
      0%, 100% { opacity: 0.5; }
      50% { opacity: 1; }
    }

    .animate-in {
      animation: fadeInUp 0.6s ease-out;
    }

    /* ===== Nav ===== */
    header {
      position: sticky;
      top: 0;
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--edge);
      background: color-mix(in srgb, var(--bg) 80%, transparent);
      z-index: 100;
      transition: all 0.3s ease;
    }
    
    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 16px 0;
    }
    
    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: -0.02em;
      position: relative;
    }
    
    .brand img {
      width: 48px;
      height: 48px;
      border-radius: 12px;
    }
    
    .brand-name {
      font-size: clamp(20px, 2.4vw, 28px);
      background: linear-gradient(135deg, var(--brand), var(--brand-2));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    
    .nav-links {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }
    
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid var(--edge);
      background: var(--bg-card);
      color: var(--text);
      padding: 12px 20px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      transition: all 0.2s ease;
      position: relative;
      overflow: hidden;
    }
    
    .btn::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, var(--brand-glow), transparent);
      opacity: 0;
      transition: opacity 0.2s ease;
    }
    
    .btn:hover {
      border-color: var(--brand);
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }
    
    .btn:hover::before {
      opacity: 1;
    }
    
    .btn.primary {
      background: linear-gradient(135deg, var(--brand), var(--brand-2));
      color: #000;
      border: none;
      font-weight: 700;
    }
    
    .btn.primary:hover {
      box-shadow: 0 8px 32px var(--brand-glow);
      transform: translateY(-3px);
    }

    /* ===== Hero ===== */
    .hero {
      padding: clamp(60px, 10vh, 120px) 0 clamp(40px, 8vh, 80px);
      text-align: center;
      position: relative;
    }
    
    .hero::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, var(--brand-glow) 0%, transparent 70%);
      animation: glow 4s ease-in-out infinite;
      z-index: -1;
      filter: var(--blur);
    }
    
    .eyebrow {
      font-size: 14px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--brand);
      margin-bottom: 16px;
      font-weight: 600;
    }
    
    .headline {
      font-size: clamp(32px, 8vw, 72px);
      line-height: 1.1;
      font-weight: 900;
      margin-bottom: 24px;
      letter-spacing: -0.02em;
      background: linear-gradient(135deg, var(--text) 0%, var(--text-soft) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    
    .lede {
      font-size: clamp(18px, 2vw, 24px);
      color: var(--muted);
      max-width: 60ch;
      margin: 0 auto 32px;
      line-height: 1.6;
    }
    
    .hero-cta {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* ===== Section headers ===== */
    .section {
      margin: clamp(60px, 10vh, 120px) 0;
    }
    
    .section-head {
      text-align: center;
      margin-bottom: 48px;
    }
    
    .section-head h2 {
      font-size: clamp(28px, 5vw, 48px);
      font-weight: 800;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }
    
    .section-desc {
      font-size: 18px;
      color: var(--muted);
      max-width: 60ch;
      margin: 0 auto;
    }

    /* ===== App cards ===== */
    .cards {
      display: grid;
      gap: 32px;
      grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
      margin-top: 48px;
    }
    
    @media (max-width: 480px) {
      .cards {
        grid-template-columns: 1fr;
      }
    }
    
    .card {
      background: var(--bg-card);
      border: 1px solid var(--edge);
      border-radius: var(--radius);
      padding: 32px;
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
      backdrop-filter: blur(20px);
    }
    
    .card::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: inherit;
      padding: 1px;
      background: linear-gradient(135deg, var(--brand-glow), transparent, var(--brand-glow));
      -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite: subtract;
      mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      mask-composite: subtract;
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    
    .card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-lg);
    }
    
    .card:hover::before {
      opacity: 1;
    }
    
    .card-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 24px;
    }
    
    .card h3 {
      font-size: 24px;
      font-weight: 700;
      letter-spacing: -0.01em;
    }
    
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid var(--edge-soft);
      font-size: 12px;
      background: var(--bg-soft);
      white-space: nowrap;
      font-weight: 500;
    }
    
    .chip-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
    }

    /* App media */
    .app-media {
      display: flex;
      justify-content: center;
      margin-bottom: 24px;
      position: relative;
    }
    
    .app-icon {
      width: clamp(120px, 20vw, 160px);
      height: auto;
      border-radius: 28%;
      box-shadow: var(--shadow-lg);
      transition: transform 0.3s ease;
    }
    
    .card:hover .app-icon {
      transform: scale(1.05);
    }
    
    .card p {
      font-size: 16px;
      line-height: 1.6;
      margin-bottom: 24px;
    }

    /* Features */
    .features {
      list-style: none;
      display: grid;
      gap: 12px;
      margin-bottom: 24px;
    }
    
    .features li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.5;
    }
    
    .features svg {
      color: var(--ok);
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* Contact section */
    .contact {
      background: var(--bg-card);
      border: 1px solid var(--edge);
      border-radius: var(--radius);
      padding: 48px 32px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    
    .contact::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, var(--brand-glow) 0%, transparent 50%);
      z-index: -1;
      filter: var(--blur);
    }
    
    .contact h2 {
      font-size: clamp(28px, 5vw, 36px);
      margin-bottom: 16px;
      font-weight: 800;
    }
    
    .contact p {
      font-size: 18px;
      color: var(--muted);
      margin-bottom: 32px;
      max-width: 50ch;
      margin-left: auto;
      margin-right: auto;
    }
    
    .contact-cta {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* ===== Footer ===== */
    footer {
      border-top: 1px solid var(--edge);
      margin-top: clamp(60px, 10vh, 120px);
      padding: 32px 0;
      text-align: center;
      color: var(--muted-dark);
      font-size: 14px;
    }
    
    .footer-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    
    @media (max-width: 640px) {
      .footer-content {
        flex-direction: column;
        text-align: center;
      }
    }

    /* ===== Motion ===== */
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }
    }
	/* === PATCH: aesthetic refinements (index.html) === */

	/* 1) Header polish: crisper separation when sticky */
	header {
	  box-shadow: 0 6px 28px rgba(0,0,0,.18);
	  background: color-mix(in srgb, var(--bg) 86%, transparent);
	}

	/* 2) Brand balance: make the logo feel proportionate to the bold name */
	.brand img {
	  width: 56px;
	  height: 56px;
	}
	.brand-name {
	  letter-spacing: -0.015em;
	}

	/* 3) Nav hover: a touch more feedback */
	.nav .btn:hover {
	  transform: translateY(-2px) scale(1.015);
	}

	/* 4) Hero: subtle staggered reveal (honours reduced‑motion below) */
	.hero .eyebrow,
	.hero .headline,
	.hero .lede,
	.hero .hero-cta {
	  opacity: 0;
	  transform: translateY(18px);
	  animation: fadeInUp .7s ease forwards;
	}
	.hero .eyebrow { animation-delay: .02s }
	.hero .headline { animation-delay: .10s }
	.hero .lede    { animation-delay: .18s }
	.hero .hero-cta{ animation-delay: .28s }

	/* 5) Sections: gentle ambient glow to separate content blocks */
	.section {
	  position: relative;
	}
	.section::before {
	  content: '';
	  position: absolute;
	  inset: -8% -10% auto;
	  height: 40%;
	  pointer-events: none;
	  background:
	    radial-gradient(90% 60% at 50% 0%,
	      color-mix(in srgb, var(--brand-glow) 60%, transparent) 0%,
	      transparent 70%);
	  filter: var(--blur);
	  opacity: .35;
	}

	/* 6) Cards & icons: slightly more lift and icon dimensionality */
	.card:hover {
	  transform: translateY(-10px);
	}
	.card:hover .app-icon {
	  transform: translateY(-2px) scale(1.04);
	  filter: drop-shadow(0 6px 14px color-mix(in srgb, var(--brand-glow) 80%, transparent));
	}

	/* 7) Status chips: subtle depth + clearer affordance */
	.chip {
	  background:
	    linear-gradient(180deg, color-mix(in srgb, var(--bg-soft) 85%, transparent), var(--bg-card)) padding-box;
	  border: 1px solid var(--edge-soft);
	  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
	}
	.chip-dot {
	  box-shadow: 0 0 0 2px rgba(255,255,255,.04);
	}

	/* 8) Features ticks: a soft brandy glow */
	.features svg {
	  filter: drop-shadow(0 0 6px var(--brand-glow));
	}

	/* 9) Contact: keep the primary CTA strong; soften the secondary links */
	.contact .btn:not(.primary) {
	  background: transparent;
	  border-color: transparent;
	  text-decoration: underline;
	  padding-left: 0;
	  padding-right: 0;
	}
	.contact .btn:not(.primary):hover {
	  text-underline-offset: 3px;
	  transform: none;
	  box-shadow: none;
	}

	/* 10) Footer hierarchy: make the tagline lighter than the © line */
	.footer-content > div:last-child {
	  opacity: .78;
	  font-style: italic;
	}

	/* 11) Respect users who prefer reduced motion */
	@media (prefers-reduced-motion: reduce) {
	  .hero .eyebrow,
	  .hero .headline,
	  .hero .lede,
	  .hero .hero-cta {
	    animation: none !important;
	    opacity: 1 !important;
	    transform: none !important;
	  }
	}