@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

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

:root {
  --bg: #05060f;
  --bg-card: rgba(255,255,255,0.03);
  --border: rgba(255,255,255,0.06);
  --text: #e4e8f1;
  --text-dim: #7c8499;
  --cyan: #00d4ff;
  --purple: #a855f7;
  --green: #10b981;
  --gradient-1: linear-gradient(135deg, #00d4ff, #7c3aed);
  --gradient-2: linear-gradient(135deg, #a855f7, #ec4899);
  --glow-cyan: 0 0 40px rgba(0,212,255,0.15);
  --glow-purple: 0 0 40px rgba(168,85,247,0.15);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Ambient background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,212,255,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 60%, rgba(168,85,247,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(16,185,129,0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* Grid pattern */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ===== NAV ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  background: rgba(5,6,15,0.75);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; max-width: 1200px; margin: 0 auto; padding: 0 24px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em;
  background: var(--gradient-1); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.logo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: var(--glow-cyan); }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--text-dim); text-decoration: none; font-size: 0.9rem;
  font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 8px 20px; border-radius: 8px; font-size: 0.9rem;
  font-weight: 600; text-decoration: none;
  background: var(--gradient-1); color: #fff;
  transition: opacity 0.2s, transform 0.2s;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }
.lang-switch {
  color: var(--text-dim); text-decoration: none; font-size: 0.8rem;
  font-weight: 600; padding: 4px 10px; border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.12); transition: all 0.2s;
}
.lang-switch:hover { color: var(--text); border-color: rgba(255,255,255,0.25); }

/* ===== HERO ===== */
.hero {
  padding: 160px 0 100px; text-align: center; position: relative;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 100px; font-size: 0.85rem;
  font-weight: 500; color: var(--cyan);
  border: 1px solid rgba(0,212,255,0.2);
  background: rgba(0,212,255,0.05);
  margin-bottom: 32px;
}
.hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.hero h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.2rem); font-weight: 900;
  line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 24px;
}
.hero h1 span { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.hero p {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem); color: var(--text-dim);
  max-width: 680px; margin: 0 auto 48px; font-weight: 400;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 12px; font-size: 1rem;
  font-weight: 600; text-decoration: none; cursor: pointer;
  border: none; font-family: inherit; transition: all 0.2s;
}
.btn-primary {
  background: var(--gradient-1); color: #fff;
  box-shadow: 0 4px 24px rgba(0,212,255,0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,212,255,0.35); }
.btn-secondary {
  background: rgba(255,255,255,0.04); color: var(--text);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); }

/* ===== STATS ===== */
.stats {
  padding: 0 0 100px;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--border); border-radius: 16px; overflow: hidden;
}
.stat-card {
  background: var(--bg-card); padding: 40px 32px; text-align: center;
  backdrop-filter: blur(10px);
}
.stat-value {
  font-size: 2.8rem; font-weight: 900; letter-spacing: -0.02em;
  background: var(--gradient-1); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { color: var(--text-dim); font-size: 0.95rem; margin-top: 8px; font-weight: 500; }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-label {
  font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--cyan); margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 20px; line-height: 1.2;
}
.section-desc {
  color: var(--text-dim); font-size: 1.1rem; max-width: 600px;
  margin-bottom: 60px;
}

/* ===== PAIN POINTS ===== */
.pain-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--border); border-radius: 16px; overflow: hidden;
}
.pain-card {
  background: var(--bg-card); padding: 40px 36px; position: relative;
  overflow: hidden;
}
.pain-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient-1); opacity: 0; transition: opacity 0.3s;
}
.pain-card:hover::before { opacity: 1; }
.pain-icon {
  width: 48px; height: 48px; border-radius: 12px; display: flex;
  align-items: center; justify-content: center; font-size: 1.4rem;
  margin-bottom: 20px;
}
.pain-icon.cyan { background: rgba(0,212,255,0.1); color: var(--cyan); }
.pain-icon.purple { background: rgba(168,85,247,0.1); color: var(--purple); }
.pain-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.pain-card p { color: var(--text-dim); font-size: 0.95rem; }

/* ===== HOW IT WORKS ===== */
.steps { display: flex; flex-direction: column; gap: 1px; background: var(--border); border-radius: 16px; overflow: hidden; }
.step {
  display: grid; grid-template-columns: 80px 1fr; gap: 28px; align-items: start;
  background: var(--bg-card); padding: 36px 40px;
}
.step-num {
  width: 56px; height: 56px; border-radius: 14px; display: flex;
  align-items: center; justify-content: center; font-size: 1.4rem;
  font-weight: 800;
}
.step-num.c1 { background: rgba(0,212,255,0.1); color: var(--cyan); }
.step-num.c2 { background: rgba(168,85,247,0.1); color: var(--purple); }
.step-num.c3 { background: rgba(16,185,129,0.1); color: var(--green); }
.step-num.c4 { background: rgba(236,72,153,0.1); color: #ec4899; }
.step-content h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 6px; }
.step-content p { color: var(--text-dim); font-size: 0.95rem; }

/* ===== PRICING / CTA ===== */
.cta-section {
  padding: 80px 0 120px; position: relative;
}
.cta-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 24px; padding: 64px 48px; text-align: center;
  position: relative; overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at 50% 0%, rgba(0,212,255,0.06) 0%, transparent 50%),
              radial-gradient(circle at 30% 100%, rgba(168,85,247,0.06) 0%, transparent 50%);
  pointer-events: none;
}
.cta-badge {
  display: inline-block; padding: 4px 14px; border-radius: 100px;
  font-size: 0.8rem; font-weight: 700; color: #f59e0b;
  background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.2);
  margin-bottom: 24px; position: relative;
}
.cta-card h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; position: relative; }
.price-area {
  margin: 28px 0 8px; position: relative;
}
.price-original {
  font-size: 1.3rem; color: var(--text-dim); text-decoration: line-through;
  margin-bottom: 4px; opacity: 0.5;
}
.price-current {
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.price-symbol {
  font-size: 1.8rem; font-weight: 700; color: var(--cyan);
  align-self: flex-start; margin-top: 6px;
}
.price-num {
  font-size: 4rem; font-weight: 900; letter-spacing: -0.04em;
  background: var(--gradient-1); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1;
}
.price-badge {
  display: inline-block; padding: 4px 10px; border-radius: 6px;
  font-size: 0.8rem; font-weight: 700; color: #f59e0b;
  background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.25);
  margin-left: 6px; align-self: flex-end; margin-bottom: 8px;
}
.cta-card .price-note { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 36px; position: relative; }
.price-note-highlight { color: #f59e0b; font-weight: 600; }
.btn-cta-buy {
  padding: 16px 48px; font-size: 1.15rem;
}
.btn-locked {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 40px; border-radius: 12px; font-size: 1.1rem;
  font-weight: 700; cursor: pointer; border: none;
  background: rgba(255,255,255,0.06); color: var(--text-dim);
  position: relative; font-family: inherit;
  transition: all 0.2s;
}
.btn-locked:hover { background: rgba(255,255,255,0.1); color: var(--text); }
.feature-list {
  display: flex; gap: 40px; justify-content: center; flex-wrap: wrap;
  margin-top: 48px; position: relative;
}
.feature-item { display: flex; align-items: center; gap: 8px; color: var(--text-dim); font-size: 0.9rem; }
.feature-check { color: var(--green); font-weight: 700; }

/* ===== FAQ ===== */
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--border); border-radius: 16px; overflow: hidden; }
.faq-item {
  background: var(--bg-card); padding: 32px;
  transition: background 0.2s;
}
.faq-item:hover { background: rgba(255,255,255,0.05); }
.faq-item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.faq-item p { color: var(--text-dim); font-size: 0.9rem; }

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border); padding: 40px 0;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer span { color: var(--text-dim); font-size: 0.85rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-dim); text-decoration: none; font-size: 0.85rem; }
.footer-links a:hover { color: var(--text); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: 16px; }
  .faq-grid { grid-template-columns: 1fr; }
  .hero { padding: 130px 0 60px; }
  .section { padding: 60px 0; }
  .cta-card { padding: 40px 24px; }
  .cta-card .price-num { font-size: 2.8rem; }
  .footer { flex-direction: column; text-align: center; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate { animation: fadeUp 0.6s ease-out both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ===== TOAST ===== */
.toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%);
  background: rgba(255,255,255,0.08); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12); border-radius: 12px;
  padding: 14px 28px; font-size: 0.9rem; font-weight: 500; color: var(--text);
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
  z-index: 200;
}
.toast.show { opacity: 1; }