:root {
  --bg: #0f1623;
  --surface: #1a2236;
  --surface-2: #222d47;
  --fg: #e8edf5;
  --fg-muted: #8896b3;
  --accent: #00c8a0;
  --accent-dim: rgba(0, 200, 160, 0.12);
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.12);
  --border: rgba(136, 150, 179, 0.15);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(15,22,35,0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; font-size: 18px; color: var(--fg); text-decoration: none; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { color: var(--fg-muted); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--fg); }

/* HERO */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding: 100px 24px 80px; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(0,200,160,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(0,200,160,0.04) 1px, transparent 1px); background-size: 60px 60px; }
.hero-glow { position: absolute; top: 20%; right: 10%; width: 500px; height: 500px; background: radial-gradient(circle, rgba(0,200,160,0.08) 0%, transparent 70%); border-radius: 50%; }
.hero-inner { max-width: 1100px; margin: 0 auto; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; position: relative; z-index: 1; }
.hero-content {}
.hero-tag { display: inline-block; font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); background: var(--accent-dim); border: 1px solid rgba(0,200,160,0.2); padding: 6px 14px; border-radius: 100px; margin-bottom: 28px; }
.hero-headline { font-family: var(--font-display); font-size: clamp(40px, 5vw, 62px); font-weight: 700; line-height: 1.08; letter-spacing: -0.02em; color: var(--fg); margin-bottom: 24px; }
.hero-highlight { color: var(--accent); }
.hero-sub { font-size: 18px; color: var(--fg-muted); max-width: 480px; margin-bottom: 36px; line-height: 1.7; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.pill { font-size: 13px; font-weight: 500; color: var(--fg-muted); background: var(--surface); border: 1px solid var(--border); padding: 7px 14px; border-radius: 100px; }

/* HERO CARD STACK */
.hero-visual { display: flex; justify-content: center; }
.hero-card-stack { position: relative; width: 320px; height: 360px; }
.stack-card { position: absolute; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 18px 22px; display: flex; align-items: center; gap: 16px; box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.stack-card-1 { top: 0; left: 20px; right: 0; animation: float1 4s ease-in-out infinite; }
.stack-card-2 { top: 90px; right: 0; animation: float2 4s ease-in-out infinite 0.5s; }
.stack-card-3 { top: 180px; left: 0; animation: float1 4s ease-in-out infinite 1s; }
.stack-card-4 { top: 270px; right: 20px; left: 0; animation: float2 4s ease-in-out infinite 1.5s; }
.stack-card-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--accent-dim); display: flex; align-items: center; justify-content: center; color: var(--accent); flex-shrink: 0; }
.stack-card-icon-amber { background: var(--amber-dim); color: var(--amber); }
.stack-card-icon-teal { background: rgba(0,200,160,0.12); color: #00e8be; }
.stack-card-icon-blue { background: rgba(99,102,241,0.12); color: #818cf8; }
.stack-card-label { font-size: 11px; font-weight: 500; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; }
.stack-card-val { font-family: var(--font-display); font-size: 16px; font-weight: 600; color: var(--fg); }

@keyframes float1 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes float2 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* SECTIONS COMMON */
.section-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section-tag { display: inline-block; font-family: var(--font-display); font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.section-headline { font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; color: var(--fg); margin-bottom: 16px; }
.section-sub { font-size: 18px; color: var(--fg-muted); max-width: 560px; line-height: 1.7; }

/* HOW IT WORKS */
.how-it-works { padding: 100px 0; }
.how-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.how-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 40px; }
.how-card h3 { font-family: var(--font-display); font-size: 24px; font-weight: 600; color: var(--fg); margin-bottom: 28px; }
.how-card-badge { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 5px 12px; border-radius: 100px; margin-bottom: 20px; font-family: var(--font-display); }
.how-card-pro .how-card-badge { background: var(--accent-dim); color: var(--accent); border: 1px solid rgba(0,200,160,0.2); }
.how-card-customer .how-card-badge { background: var(--amber-dim); color: var(--amber); border: 1px solid rgba(245,158,11,0.2); }
.how-list { list-style: none; display: flex; flex-direction: column; gap: 18px; }
.how-list li { display: flex; align-items: flex-start; gap: 14px; font-size: 15px; color: var(--fg-muted); line-height: 1.5; }
.how-list-icon { flex-shrink: 0; margin-top: 2px; }

/* FEATURES */
.features { padding: 100px 0; }
.features .section-headline { margin-bottom: 12px; }
.features .section-sub { margin-bottom: 56px; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 32px; transition: border-color 0.2s; }
.feature-card:hover { border-color: rgba(0,200,160,0.3); }
.feature-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--accent-dim); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.feature-card h3 { font-family: var(--font-display); font-size: 17px; font-weight: 600; color: var(--fg); margin-bottom: 12px; }
.feature-card p { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

/* COMPARISON */
.comparison { padding: 100px 0; background: var(--surface); }
.comparison .section-headline { max-width: 600px; }
.comparison-table-wrap { margin-top: 48px; overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: collapse; }
.comparison-table th { padding: 14px 20px; font-family: var(--font-display); font-size: 13px; font-weight: 600; color: var(--fg-muted); text-align: left; border-bottom: 1px solid var(--border); }
.comparison-table th:not(:first-child) { text-align: center; }
.th-servicestack { color: var(--accent) !important; }
.comparison-table td { padding: 16px 20px; font-size: 14px; color: var(--fg-muted); border-bottom: 1px solid var(--border); }
.comparison-table td:first-child { font-weight: 500; color: var(--fg); }
.comparison-table td:not(:first-child) { text-align: center; }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:hover td { background: rgba(255,255,255,0.02); }

/* PRICING */
.pricing { padding: 100px 0; }
.pricing .section-headline { margin-bottom: 48px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pricing-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 36px; position: relative; }
.pricing-card-featured { border-color: rgba(0,200,160,0.4); background: linear-gradient(180deg, rgba(0,200,160,0.05) 0%, var(--surface) 100%); }
.pricing-popular-tag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); font-family: var(--font-display); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; background: var(--accent); color: #0f1623; padding: 5px 14px; border-radius: 100px; }
.pricing-tier { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--fg); margin-bottom: 16px; }
.pricing-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 16px; }
.pricing-amount { font-family: var(--font-display); font-size: 48px; font-weight: 700; color: var(--fg); }
.pricing-period { font-size: 16px; color: var(--fg-muted); }
.pricing-desc { font-size: 14px; color: var(--fg-muted); line-height: 1.6; margin-bottom: 28px; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.pricing-features li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--fg-muted); }

/* CLOSING */
.closing { padding: 120px 0; background: var(--surface); }
.closing-content { max-width: 640px; }
.closing h2 { font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; color: var(--fg); margin-bottom: 24px; }
.closing p { font-size: 18px; color: var(--fg-muted); line-height: 1.7; }
.closing p + p { margin-top: 16px; }

/* FOOTER */
.footer { padding: 60px 0; border-top: 1px solid var(--border); }
.footer .section-inner { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; font-size: 16px; color: var(--fg); }
.footer-tagline { font-size: 14px; color: var(--fg-muted); margin-top: 4px; }
.footer-copy { font-size: 13px; color: rgba(136,150,179,0.5); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .how-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  .hero { padding: 88px 20px 60px; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-pills { gap: 8px; }
  .pill { font-size: 12px; }
}