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

    :root {
      --bg:          #f9f9fe;
      --card:        #ffffff;
      --border:      rgba(170,180,220,0.45);
      --fg:          #1c1f35;
      --muted:       #6b7491;
      --primary:     #5571d9;
      --primary-glow: #4457c0;
      --radius:      20px;
      --gradient-brand: linear-gradient(135deg, #f5956d 0%, #a855f7 50%, #5571d9 100%);
      --shadow-glow: 0 20px 60px -20px rgba(140,100,230,0.38);
      --shadow-soft: 0 8px 28px -10px rgba(20,25,60,0.12);
    }

    html { scroll-behavior: smooth; }

    body {
      background: var(--bg);
      color: var(--fg);
      font-family: 'Inter', system-ui, sans-serif;
      font-size: 15px;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      background-image:
        radial-gradient(ellipse 60% 50% at 95% 0%, rgba(85,113,217,0.08), transparent 50%),
        radial-gradient(ellipse 50% 50% at 10% 100%, rgba(112,100,230,0.06), transparent 50%);
      background-attachment: fixed;
    }

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

    /* ── Nav ── */
    nav {
      position: sticky; top: 0; z-index: 100;
      display: flex; align-items: center; justify-content: space-between;
      padding: 1rem 2rem;
      background: rgba(249,249,254,0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }
    .nav-brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.05rem; }
    .nav-brand-icon { font-size: 1.4rem; }
    .nav-cta {
      padding: 0.5rem 1.2rem;
      background: var(--gradient-brand); color: #fff;
      border-radius: 999px; font-weight: 600; font-size: 0.875rem;
      transition: opacity 0.15s, box-shadow 0.2s;
    }
    .nav-cta:hover { opacity: 0.9; box-shadow: var(--shadow-glow); }
    .nav-signin {
      font-size: 0.875rem; font-weight: 500; color: var(--muted);
      padding: 0.4rem 0.75rem; border-radius: 999px;
      transition: color 0.15s, background 0.15s;
    }
    .nav-signin:hover { color: var(--fg); background: rgba(85,113,217,0.07); }

    /* ── Hero ── */
    .hero {
      max-width: 860px; margin: 0 auto;
      padding: 6rem 2rem 4rem;
      text-align: center;
      position: relative;
    }
    /* Soft background orbs */
    .hero::before, .hero::after {
      content: ""; pointer-events: none;
      position: absolute; border-radius: 50%;
      filter: blur(90px); opacity: 0.5;
    }
    .hero::before {
      width: 380px; height: 380px;
      background: radial-gradient(circle, rgba(245,149,109,0.2), rgba(168,85,247,0.2), transparent);
      top: 20%; left: -10%;
    }
    .hero::after {
      width: 460px; height: 460px;
      background: radial-gradient(circle, rgba(168,85,247,0.18), rgba(85,113,217,0.18), transparent);
      bottom: 0; right: -10%;
    }

    .hero-badge {
      display: inline-flex; align-items: center; gap: 0.4rem;
      padding: 0.3rem 0.9rem;
      background: rgba(85,113,217,0.08);
      border: 1px solid rgba(85,113,217,0.2);
      border-radius: 999px;
      font-size: 0.78rem; font-weight: 600; color: var(--primary);
      letter-spacing: 0.05em; text-transform: uppercase;
      margin-bottom: 2rem;
    }
    .hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); animation: pulse 2s infinite; }
    @keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

    .hero h1 {
      font-size: clamp(2.4rem, 6vw, 4rem);
      font-weight: 800; line-height: 1.1;
      letter-spacing: -0.03em;
      margin-bottom: 1.25rem;
      position: relative;
    }
    .hero h1 em {
      font-family: 'Instrument Serif', Georgia, serif;
      font-style: italic; font-weight: 400;
      background: var(--gradient-brand);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-sub {
      font-size: 0.975rem; color: var(--muted); max-width: 480px;
      margin: 0 auto 2.5rem; line-height: 1.75;
      position: relative;
    }
    .hero-sub strong { color: var(--fg); }

    .hero-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; position: relative; margin-bottom: 1rem; }
    .hero-signin-hint {
      font-size: 0.8rem; color: var(--muted); position: relative;
    }
    .hero-signin-hint a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
    .hero-signin-hint a:hover { opacity: 0.8; }
    .btn-primary {
      padding: 0.85rem 2rem;
      background: var(--gradient-brand); color: #fff;
      border-radius: 999px; font-weight: 700; font-size: 1rem;
      transition: opacity 0.15s, transform 0.15s, box-shadow 0.2s;
      border: none; cursor: pointer;
      box-shadow: var(--shadow-soft);
    }
    .btn-primary:hover { opacity: 0.92; transform: translateY(-1px); box-shadow: var(--shadow-glow); }
    .btn-ghost {
      padding: 0.85rem 2rem;
      background: transparent; color: var(--fg);
      border: 1px solid var(--border); border-radius: 999px;
      font-weight: 600; font-size: 1rem; cursor: pointer;
      transition: border-color 0.15s, box-shadow 0.15s;
    }
    .btn-ghost:hover { border-color: var(--primary); box-shadow: var(--shadow-soft); }

    /* ── Social proof strip ── */
    .proof-strip {
      text-align: center; padding: 2rem;
      font-size: 0.8rem; color: var(--muted); letter-spacing: 0.04em;
    }
    .proof-strip span { margin: 0 0.75rem; }

    /* ── Problem section ── */
    .problem {
      max-width: 780px; margin: 3rem auto 5rem;
      padding: 2.5rem;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
    }
    .problem-eyebrow {
      font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.08em; color: var(--primary); margin-bottom: 1rem;
    }
    .problem p {
      font-size: 0.875rem; color: var(--muted); line-height: 1.8;
      margin-bottom: 1rem;
    }
    .problem p strong { color: var(--fg); }
    .problem p:last-child { margin-bottom: 0; }

    /* ── Sections ── */
    .section { max-width: 1000px; margin: 0 auto 6rem; padding: 0 2rem; }
    .section-eyebrow {
      font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.08em; color: var(--primary);
      text-align: center; margin-bottom: 0.75rem;
    }
    .section-title {
      font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800;
      text-align: center; margin-bottom: 0.75rem; letter-spacing: -0.02em;
    }
    .section-sub {
      text-align: center; color: var(--muted); font-size: 0.875rem;
      max-width: 520px; margin: 0 auto 3rem;
    }

    /* ── Step cards with mouse-tracking spotlight ── */
    .steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }

    .step-card {
      position: relative; overflow: hidden;
      background: var(--card); border: 1px solid var(--border);
      border-radius: var(--radius); padding: 1.75rem;
      box-shadow: var(--shadow-soft);
      transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease, opacity 0.4s ease;
      cursor: default;
    }
    .step-card.active {
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
      border-color: transparent;
    }
    .step-card.dim { opacity: 0.55; }

    /* Gradient border ring (visible only when active) */
    .step-card-ring {
      pointer-events: none;
      position: absolute; inset: 0;
      border-radius: var(--radius);
      background: var(--gradient-brand);
      opacity: 0;
      transition: opacity 0.4s ease;
      padding: 1px;
      -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
    }
    .step-card.active .step-card-ring { opacity: 1; }

    /* Mouse-following spotlight */
    .step-card-spotlight {
      pointer-events: none;
      position: absolute; inset: 0;
      border-radius: var(--radius);
      opacity: 0;
      transition: opacity 0.25s ease;
    }
    .step-card:hover .step-card-spotlight { opacity: 1; }

    .step-num {
      width: 2.75rem; height: 2.75rem; border-radius: 14px;
      background: rgba(85,113,217,0.08);
      color: var(--fg); font-weight: 800; font-size: 0.875rem;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 1rem;
      transition: background 0.4s ease, color 0.4s ease, box-shadow 0.4s ease;
    }
    .step-card.active .step-num {
      background: var(--gradient-brand);
      color: #fff;
      box-shadow: var(--shadow-glow);
    }
    .step-icon {
      color: var(--muted);
      transition: color 0.4s ease;
    }
    .step-card.active .step-icon { color: var(--primary); }

    .step-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
    .step-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.65; }

    /* Animated underline */
    .step-underline {
      margin-top: 1.25rem; height: 1px; width: 100%;
      background: var(--border); overflow: hidden;
    }
    .step-underline-bar {
      height: 100%;
      background: var(--gradient-brand);
      transform: translateX(-100%);
      transition: transform 0.65s ease;
    }
    .step-card.active .step-underline-bar { transform: translateX(0); }

    /* ── Features ── */
    .features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; }
    .feature-card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: var(--radius); padding: 1.75rem;
      box-shadow: var(--shadow-soft);
      transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
    }
    .feature-card:hover {
      border-color: rgba(85,113,217,0.3);
      box-shadow: var(--shadow-glow);
      transform: translateY(-2px);
    }
    .feature-icon { font-size: 1.5rem; margin-bottom: 0.75rem; }
    .feature-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; }
    .feature-card p { font-size: 0.82rem; color: var(--muted); line-height: 1.65; }

    /* ── Privacy (subtle, no card) ── */
    .privacy-section {
      max-width: 1000px; margin: 0 auto 6rem; padding: 3rem 2rem 0;
      border-top: 1px solid var(--border);
    }
    .privacy-items {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 2rem;
    }
    .privacy-item { display: flex; gap: 0.75rem; align-items: flex-start; }
    .privacy-item-icon { font-size: 1rem; flex-shrink: 0; margin-top: 0.15rem; opacity: 0.6; }
    .privacy-item strong { display: block; font-size: 0.8rem; font-weight: 600; color: var(--fg); margin-bottom: 0.25rem; }
    .privacy-item p { font-size: 0.775rem; color: var(--muted); line-height: 1.65; margin: 0; }

    /* ── Waitlist ── */
    .waitlist-section {
      max-width: 600px; margin: 0 auto 8rem; padding: 0 2rem;
      text-align: center;
    }
    .waitlist-card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: var(--radius); padding: 3rem 2.5rem;
      box-shadow: var(--shadow-soft);
    }
    .waitlist-card h2 { font-size: 1.75rem; font-weight: 800; margin-bottom: 0.5rem; letter-spacing: -0.02em; }
    .waitlist-card p { color: var(--muted); font-size: 0.875rem; margin-bottom: 2rem; line-height: 1.65; }
    .waitlist-form { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }
    .waitlist-input {
      flex: 1; min-width: 200px;
      padding: 0.8rem 1.1rem;
      background: var(--bg); border: 1px solid var(--border);
      border-radius: 999px; color: var(--fg); font-size: 0.95rem;
    }
    .waitlist-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(85,113,217,0.12); }
    .waitlist-input::placeholder { color: var(--muted); }
    .waitlist-btn {
      padding: 0.8rem 1.75rem;
      background: var(--gradient-brand); color: #fff;
      border: none; border-radius: 999px;
      font-weight: 700; font-size: 0.95rem; cursor: pointer;
      transition: opacity 0.15s, box-shadow 0.2s;
      white-space: nowrap;
    }
    .waitlist-btn:hover { opacity: 0.9; box-shadow: var(--shadow-glow); }
    .wl-status {
      width: 100%; margin-top: 0.75rem; font-size: 0.825rem; min-height: 1.2em;
    }
    .wl-status.ok { color: #16a34a; }
    .wl-status.err { color: #dc2626; }
    .waitlist-fine { margin-top: 1rem; font-size: 0.75rem; color: var(--muted); }

    /* gradient text helper */
    .gradient-text {
      font-family: 'Instrument Serif', Georgia, serif;
      font-style: italic; font-weight: 400;
      background: var(--gradient-brand);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    /* ── Popup overlay ── */
    .wl-overlay {
      display: none; position: fixed; inset: 0; z-index: 200;
      background: rgba(20,25,60,0.45); backdrop-filter: blur(6px);
      align-items: center; justify-content: center; padding: 1.5rem;
    }
    .wl-overlay.active { display: flex; animation: fadeIn 0.18s ease; }
    @keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }

    .wl-popup-card {
      position: relative;
      background: var(--card); border: 1px solid var(--border);
      border-radius: var(--radius); padding: 2.5rem 2rem;
      max-width: 480px; width: 100%;
      box-shadow: 0 24px 60px rgba(20,25,60,0.18);
      animation: slideUp 0.2s ease;
    }
    @keyframes slideUp { from { transform: translateY(12px); opacity: 0 } to { transform: none; opacity: 1 } }

    .wl-popup-card h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 0.4rem; letter-spacing: -0.02em; }
    .wl-popup-card p { color: var(--muted); font-size: 0.875rem; margin-bottom: 1.5rem; line-height: 1.65; }

    .wl-popup-close {
      position: absolute; top: 1rem; right: 1rem;
      background: none; border: none; color: var(--muted);
      font-size: 1.4rem; line-height: 1; cursor: pointer; padding: 0.2rem 0.4rem;
      border-radius: 6px;
      transition: background 0.15s, color 0.15s;
    }
    .wl-popup-close:hover { background: rgba(85,113,217,0.08); color: var(--fg); }

    /* ── FAQ ── */
    .faq-section { max-width: 780px; margin-left: auto; margin-right: auto; }
    .faq-list { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 0; }
    .faq-item {
      border-bottom: 1px solid var(--border);
    }
    .faq-item:first-child { border-top: 1px solid var(--border); }
    .faq-q {
      list-style: none;
      padding: 1.1rem 0;
      font-size: 0.975rem; font-weight: 600; color: var(--fg);
      cursor: pointer;
      display: flex; justify-content: space-between; align-items: center; gap: 1rem;
      user-select: none;
    }
    .faq-q::-webkit-details-marker { display: none; }
    .faq-q::after {
      content: "+";
      font-size: 1.25rem; font-weight: 300; color: var(--primary);
      flex-shrink: 0; transition: transform 0.2s;
    }
    .faq-item[open] .faq-q::after { transform: rotate(45deg); }
    .faq-a {
      font-size: 0.9rem; color: var(--muted); line-height: 1.75;
      padding-bottom: 1.25rem; max-width: 640px;
    }
    .faq-a a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

    /* ── Footer ── */
    footer {
      border-top: 1px solid var(--border);
      padding: 2rem; text-align: center;
      font-size: 0.8rem; color: var(--muted);
      display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap;
    }

    /* ── Responsive ── */
    @media (max-width: 600px) {
      .hero { padding: 4rem 1.25rem 3rem; }
      .problem, .section, .privacy-section, .waitlist-section, .faq-section { padding-left: 1.25rem; padding-right: 1.25rem; }
      nav { padding: 0.875rem 1.25rem; }
    }