/* ============================================================
   ZenusHub VIP Waitlist — Stylesheet
   ============================================================ */

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

:root {
    --gold: #f59e0b;
    --gold-dark: #d97706;
    --bg: #0a0a0a;
    --surface: #111;
    --border: #222;
    --text: #fff;
    --muted: #888;
    --subtle: #555;
    --danger: #ef4444;
    --success: #10b981;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ── Nav ──────────────────────────────────────────────── */

.nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 16px 32px;
    display: flex; align-items: center; justify-content: center;
}

.logo {
    font-size: 22px; font-weight: 900; letter-spacing: -0.5px; color: #fff;
}
.logo span { color: var(--gold); }

/* ── Container ────────────────────────────────────────── */

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── Hero ─────────────────────────────────────────────── */

.hero {
    padding: 80px 0 80px;
    text-align: center;
}

.badge-top {
    display: inline-block;
    background: rgba(245,158,11,0.15);
    border: 1px solid rgba(245,158,11,0.3);
    color: var(--gold);
    font-size: 13px; font-weight: 700; letter-spacing: 0.5px;
    padding: 6px 18px; border-radius: 999px;
    margin-bottom: 28px;
}

.hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 900; line-height: 1.1; letter-spacing: -2px;
    margin-bottom: 20px;
}

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

.subtitle {
    color: var(--muted); font-size: clamp(16px, 2vw, 20px);
    max-width: 600px; margin: 0 auto 48px;
}

/* ── Progress ─────────────────────────────────────────── */

.progress-wrap {
    max-width: 600px; margin: 0 auto 40px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px; padding: 24px;
    text-align: left;
}

.progress-labels {
    display: flex; justify-content: space-between;
    font-size: 14px; color: var(--muted); margin-bottom: 10px;
}

.progress-bar {
    background: #1a1a1a; border-radius: 99px; height: 10px; overflow: hidden;
}

.progress-fill {
    background: linear-gradient(90deg, var(--gold), var(--gold-dark));
    height: 100%; border-radius: 99px;
    transition: width 1s ease;
}

.progress-note {
    font-size: 13px; color: var(--subtle); margin-top: 10px;
}

/* ── Form Card ────────────────────────────────────────── */

.form-card {
    max-width: 540px; margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px; padding: 40px;
    text-align: left;
}

.form-card h2 { font-size: 24px; margin-bottom: 6px; }
.form-sub { color: var(--muted); font-size: 15px; margin-bottom: 28px; }

.field { margin-bottom: 20px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; font-weight: 600; }
.field input[type=text],
.field input[type=email],
.field input[type=tel] {
    width: 100%;
    background: #1a1a1a; border: 1px solid #2a2a2a; border-radius: 10px;
    color: #fff; padding: 14px 16px; font-size: 15px;
    outline: none; transition: border-color 0.2s;
}
.field input:focus { border-color: var(--gold); }

/* Plan Cards */
.plan-options { display: flex; flex-direction: column; gap: 10px; }

.plan-card {
    position: relative;
    display: block; cursor: pointer;
    border: 2px solid #2a2a2a; border-radius: 12px;
    padding: 16px 18px; transition: border-color 0.2s, background 0.2s;
    background: #1a1a1a;
}
.plan-card input[type=radio] { position: absolute; opacity: 0; pointer-events: none; }
.plan-card:hover { border-color: #444; }
.plan-card input:checked ~ .plan-inner, .plan-card:has(input:checked) { color: #fff; }
.plan-card:has(input:checked) { border-color: var(--gold); background: rgba(245,158,11,0.06); }

.plan-title { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.plan-price { font-size: 14px; margin-bottom: 4px; }
.plan-price .early { color: var(--gold); font-weight: 700; }
.plan-price .normal { color: var(--subtle); font-size: 12px; }
.plan-desc { font-size: 13px; color: var(--muted); }

.plan-card.recommended { border-color: var(--gold); }
.rec-badge {
    position: absolute; top: -10px; right: 12px;
    background: var(--gold); color: #000;
    font-size: 10px; font-weight: 900; letter-spacing: 0.5px;
    padding: 3px 10px; border-radius: 99px;
}

/* Buttons */
.btn-submit {
    width: 100%; background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #000; border: none; border-radius: 12px;
    padding: 16px; font-size: 16px; font-weight: 900;
    cursor: pointer; margin-top: 8px;
    transition: transform 0.15s, box-shadow 0.15s;
    letter-spacing: 0.3px;
}
.btn-submit:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(245,158,11,0.3); }
.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.form-privacy { font-size: 12px; color: var(--subtle); text-align: center; margin-top: 14px; }

.form-error {
    background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
    color: #fca5a5; font-size: 14px; padding: 12px 16px;
    border-radius: 8px; margin-bottom: 12px;
}

/* Success Card */
.success-card {
    max-width: 500px; margin: 0 auto;
    background: var(--surface); border: 1px solid #064e3b;
    border-radius: 20px; padding: 48px 40px; text-align: center;
}
.success-icon { font-size: 60px; margin-bottom: 20px; }
.success-card h2 { font-size: 28px; margin-bottom: 12px; color: var(--success); }
.success-card p { color: var(--muted); margin-bottom: 10px; }
.success-note { font-size: 13px; color: var(--subtle); }

/* ── Features ─────────────────────────────────────────── */

.features {
    padding: 80px 0;
    background: #0d0d0d;
}

.features h2, .pricing h2, .about h2, .faq h2 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 900; letter-spacing: -1px;
    text-align: center; margin-bottom: 12px;
}

.section-sub {
    text-align: center; color: var(--muted); font-size: 17px;
    max-width: 500px; margin: 0 auto 48px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px; padding: 28px;
    transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: #333; transform: translateY(-2px); }

.feature-icon { font-size: 36px; margin-bottom: 16px; }
.feature-card h3 { font-size: 18px; margin-bottom: 10px; }
.feature-card p { color: var(--muted); font-size: 15px; line-height: 1.6; }

.tag { display: inline-block; margin-top: 14px; font-size: 11px; font-weight: 700;
       padding: 4px 10px; border-radius: 99px; }
.annual-tag { background: rgba(139,92,246,0.2); color: #a78bfa; border: 1px solid rgba(139,92,246,0.3); }

/* ── Pricing ──────────────────────────────────────────── */

.pricing { padding: 80px 0; }

.pricing-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 24px; max-width: 700px; margin: 0 auto 24px;
}

.price-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 20px; padding: 32px;
    position: relative;
}
.price-card.featured { border-color: var(--gold); }

.best-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--gold); color: #000;
    font-size: 11px; font-weight: 900; padding: 4px 14px; border-radius: 99px; white-space: nowrap;
}

.price-card h3 { font-size: 20px; margin-bottom: 16px; }
.price-amount { font-size: 48px; font-weight: 900; line-height: 1; margin-bottom: 6px; }
.currency { font-size: 24px; vertical-align: super; }
.period { font-size: 16px; color: var(--muted); font-weight: 400; }
.price-compare { color: var(--subtle); font-size: 14px; margin-bottom: 20px; }
.price-compare s { text-decoration: line-through; }

.price-features { list-style: none; }
.price-features li { padding: 8px 0; border-bottom: 1px solid #1a1a1a; font-size: 14px; color: var(--muted); }
.price-features li:last-child { border-bottom: none; }

.pricing-note { text-align: center; color: var(--muted); font-size: 14px; }

/* ── About ────────────────────────────────────────────── */

.about { padding: 80px 0; background: #0d0d0d; }
.about-inner { max-width: 600px; margin: 0 auto; text-align: center; }
.badge-small {
    display: inline-block; background: rgba(245,158,11,0.15);
    border: 1px solid rgba(245,158,11,0.3); color: var(--gold);
    font-size: 12px; font-weight: 700; padding: 4px 14px;
    border-radius: 99px; margin-bottom: 20px;
}
.about-text h2 { margin-bottom: 20px; }
.about-text p { color: var(--muted); font-size: 16px; margin-bottom: 16px; line-height: 1.8; }

/* ── FAQ ──────────────────────────────────────────────── */

.faq { padding: 80px 0; }
.faq h2 { margin-bottom: 40px; }
.faq-list { max-width: 700px; margin: 0 auto; }

.faq-item {
    border-bottom: 1px solid var(--border); padding: 24px 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-q { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.faq-a { color: var(--muted); font-size: 15px; line-height: 1.7; }

/* ── CTA Final ────────────────────────────────────────── */

.cta-final {
    padding: 80px 0; text-align: center;
    background: linear-gradient(135deg, #111 0%, #1a1000 100%);
    border-top: 1px solid #2a1f00; border-bottom: 1px solid #2a1f00;
}
.cta-final h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 900; letter-spacing: -1px; margin-bottom: 12px; }
.cta-final p { color: var(--muted); font-size: 18px; margin-bottom: 32px; }
.btn-cta-final {
    display: inline-block;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #000; text-decoration: none; padding: 18px 48px;
    border-radius: 12px; font-size: 18px; font-weight: 900;
    transition: transform 0.15s, box-shadow 0.15s;
    letter-spacing: 0.3px;
}
.btn-cta-final:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(245,158,11,0.35); }

/* ── Footer ───────────────────────────────────────────── */

.footer {
    padding: 32px; text-align: center;
    border-top: 1px solid var(--border);
}
.footer p { color: var(--subtle); font-size: 14px; }

/* ── Responsive ───────────────────────────────────────── */

@media (max-width: 768px) {
    .hero { padding: 60px 0; }
    .form-card { padding: 28px 20px; }
    .pricing-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .hero h1 { letter-spacing: -1px; }
}