*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0a0f1a; --bg-elev: #111827; --fg: #f1f5f9; --muted: #94a3b8;
  --accent: #22d3ee; --accent-dim: #06b6d4; --card: #1e293b; --border: #334155;
  --radius: 12px; --max-w: 720px; --space: clamp(1rem, 3vw, 2rem);
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--fg); line-height: 1.6; }
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 var(--space); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Hero */
.hero { padding: clamp(3rem, 8vw, 5rem) 0; text-align: center; background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(34,211,238,0.08) 0%, transparent 70%); }
.badge { display: inline-block; font-size: 0.875rem; color: var(--accent); background: rgba(34,211,238,0.1); padding: 0.375rem 0.75rem; border-radius: 999px; margin-bottom: 1rem; font-weight: 600; }
h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; font-weight: 700; margin-bottom: 1rem; }
.highlight { color: var(--accent); }
.subhead { font-size: clamp(1rem, 2.5vw, 1.25rem); color: var(--muted); margin-bottom: 2rem; max-width: 60ch; margin-left: auto; margin-right: auto; }

.video-wrapper { aspect-ratio: 16/9; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: #000; margin-bottom: 2rem; box-shadow: 0 20px 40px -20px rgba(0,0,0,0.5); }
.video-wrapper iframe { width: 100%; height: 100%; border: 0; }

.lead-form .form-row { display: flex; flex-direction: column; gap: 0.75rem; max-width: 400px; margin: 0 auto 1rem; }
@media (min-width: 480px) { .lead-form .form-row { flex-direction: row; } }
.lead-form input[type="email"] { flex: 1; padding: 1rem 1.25rem; font-size: 1rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-elev); color: var(--fg); outline: none; transition: border-color 0.2s, box-shadow 0.2s; }
.lead-form input[type="email"]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(34,211,238,0.2); }
.lead-form input::placeholder { color: var(--muted); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 1rem 1.5rem; font-size: 1rem; font-weight: 600; border: none; border-radius: var(--radius); cursor: pointer; transition: transform 0.1s, background 0.2s; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-dim)); color: #0a0f1a; width: 100%; }
.btn-primary:hover { background: linear-gradient(135deg, #67e8f9, var(--accent)); }
.form-note, .social-proof { font-size: 0.875rem; color: var(--muted); text-align: center; }
.social-proof { margin-top: 1.5rem; font-weight: 500; }

/* Benefits */
.benefits { padding: clamp(3rem, 6vw, 4rem) 0; }
.benefits h2 { text-align: center; font-size: clamp(1.5rem, 3.5vw, 2rem); margin-bottom: 2rem; }
.grid { display: grid; gap: 1rem; }
@media (min-width: 768px) { .grid { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; transition: border-color 0.2s, transform 0.2s; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card .icon { font-size: 2rem; display: block; margin-bottom: 0.75rem; }
.card h3 { font-size: 1.125rem; margin-bottom: 0.5rem; }
.card p { font-size: 0.9375rem; color: var(--muted); }

/* Authority */
.authority { padding: clamp(3rem, 6vw, 4rem) 0; background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.quote { text-align: center; font-size: clamp(1rem, 2.5vw, 1.25rem); line-height: 1.7; max-width: 55ch; margin: 0 auto 1rem; }
.author { text-align: center; color: var(--muted); font-style: italic; }

/* Footer */
.footer { padding: clamp(2rem, 5vw, 3rem) 0; text-align: center; }
.legal { margin-top: 1.5rem; font-size: 0.875rem; color: var(--muted); }
.legal a { margin: 0 0.5rem; }
.legal a:hover { text-decoration: underline; }

/* Utils */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }