*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0a0a0f;
  --bg-card: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.10);
  --border-subtle: rgba(255,255,255,0.06);
  --text: #f0f0f5;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b80;
  --cyan: #00d4ff;
  --green: #00d26a;
}
html { font-family: 'Outfit', system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
body { min-height: 100vh; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.container { max-width: 720px; margin: 0 auto; padding: 0 20px; }
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 16px 24px; background: rgba(10,10,15,0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-subtle); }
.nav-inner { max-width: 720px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.nav-brand { font-weight: 700; font-size: 15px; letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 24px; font-size: 14px; }
.nav-links a { color: var(--text-muted); }
.nav-links a:hover { color: var(--cyan); text-decoration: none; }

.content { padding-top: 100px; padding-bottom: 80px; }
.back { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text-muted); margin-bottom: 32px; }
.back:hover { color: var(--cyan); text-decoration: none; }

h1 { font-size: clamp(28px, 5vw, 38px); font-weight: 700; letter-spacing: -0.03em; line-height: 1.2; margin-bottom: 16px; background: linear-gradient(to bottom, #fff, rgba(255,255,255,0.8)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
h2 { font-size: 20px; font-weight: 600; color: var(--text); margin-top: 40px; margin-bottom: 12px; }
h3 { font-size: 17px; font-weight: 600; color: var(--text); margin-top: 32px; margin-bottom: 8px; }
p { color: var(--text-secondary); font-size: 16px; line-height: 1.7; margin-bottom: 16px; }
ul { list-style: disc inside; color: var(--text-secondary); font-size: 16px; line-height: 1.7; margin-bottom: 16px; }
ul li { margin-bottom: 8px; }
strong { color: var(--text); }
.subtitle { font-size: 17px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 40px; }
.date { font-size: 14px; color: var(--text-muted); margin-bottom: 40px; }

/* Cards */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 32px; margin-bottom: 48px; }
@media (min-width: 640px) { .card { padding: 40px; } }

/* Form */
.form-group { margin-bottom: 20px; }
label.field { display: block; font-size: 14px; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
input[type="text"], input[type="tel"], input[type="email"] {
  width: 100%; padding: 12px 16px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text); font-size: 16px; font-family: inherit;
  outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
input:focus { border-color: rgba(0,212,255,0.4); box-shadow: 0 0 0 3px rgba(0,212,255,0.1); }
input::placeholder { color: rgba(107,107,128,0.5); }

.checkbox-group { margin-top: 20px; }
.checkbox-label { display: flex; align-items: flex-start; gap: 12px; cursor: pointer; margin-bottom: 16px; }
.checkbox-label input { margin-top: 5px; accent-color: var(--cyan); width: 16px; height: 16px; flex-shrink: 0; }
.checkbox-label span { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }

.disclosure { background: rgba(255,255,255,0.02); border: 1px solid var(--border-subtle); border-radius: 12px; padding: 16px; margin-top: 16px; margin-bottom: 20px; }
.disclosure p { font-size: 12px; color: var(--text-muted); line-height: 1.6; margin-bottom: 0; }

.btn { display: block; width: 100%; padding: 14px; border-radius: 12px; border: none; background: rgba(0,212,255,0.9); color: var(--bg); font-weight: 600; font-size: 16px; font-family: inherit; cursor: pointer; transition: background 0.2s; }
.btn:hover { background: var(--cyan); }

.success { display: none; border-radius: 12px; background: rgba(0,210,106,0.1); border: 1px solid rgba(0,210,106,0.2); padding: 16px; text-align: center; margin-top: 16px; }
.success p { color: var(--green); font-weight: 500; margin: 0; }

/* Hero */
.hero-section { text-align: center; padding: 40px 0 60px; }
.hero-section h1 { font-size: clamp(32px, 6vw, 44px); }
.hero-section .subtitle { max-width: 560px; margin: 0 auto 48px; }

.features { display: grid; gap: 20px; margin-bottom: 60px; }
@media (min-width: 640px) { .features { grid-template-columns: 1fr 1fr 1fr; } }
.feature { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.feature-title { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.feature-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin: 0; }

.cta-section { text-align: center; padding: 60px 0; border-top: 1px solid var(--border-subtle); }
.cta-section h2 { margin-top: 0; }
.cta-btn { display: inline-block; padding: 14px 40px; border-radius: 12px; background: rgba(0,212,255,0.9); color: var(--bg); font-weight: 600; font-size: 16px; text-decoration: none; transition: background 0.2s; }
.cta-btn:hover { background: var(--cyan); text-decoration: none; }

/* Footer */
.footer { padding: 32px 24px; border-top: 1px solid var(--border-subtle); text-align: center; font-size: 13px; color: var(--text-muted); }
.footer a { color: var(--text-muted); }
.footer a:hover { color: var(--cyan); }
.footer-links { display: flex; justify-content: center; gap: 24px; margin-top: 8px; }