:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --surface2: #242424;
  --border: #2e2e2e;
  --text: #f0f0f0;
  --text-secondary: #888;
  --accent: #4f8ef7;
  --accent-dark: #3a6fd4;
  --success: #34c759;
  --warning: #ff9f0a;
  --radius: 12px;
  --max-width: 860px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* NAV */
nav {
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  position: sticky;
  top: 0;
  background: rgba(15,15,15,0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--text); text-decoration: none; }

/* CONTAINER */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* HERO */
.hero {
  padding: 80px 24px 64px;
  text-align: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.app-icon {
  width: 96px;
  height: 96px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(79,142,247,0.3);
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.hero p {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--surface);
  text-decoration: none;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* FEATURES */
.features {
  padding: 64px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 48px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* PRIVACY BADGE */
.privacy-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--success);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 24px 64px;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.privacy-banner .icon { font-size: 24px; flex-shrink: 0; }

.privacy-banner p {
  font-size: 14px;
  color: var(--text-secondary);
}

.privacy-banner strong { color: var(--text); }

/* PAGE CONTENT (privacy, terms, support) */
.page-hero {
  padding: 56px 24px 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.page-hero p {
  color: var(--text-secondary);
  font-size: 15px;
}

.page-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.section-block {
  margin-bottom: 40px;
}

.section-block h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

.section-block p, .section-block li {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.section-block ul {
  padding-left: 20px;
}

.section-block li { margin-bottom: 4px; }

.highlight-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 16px 0;
}

.highlight-box.green { border-left: 3px solid var(--success); }
.highlight-box.warning { border-left: 3px solid var(--warning); }
.highlight-box.blue { border-left: 3px solid var(--accent); }

/* SUPPORT */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 32px 0;
}

.support-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.support-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.support-card p { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; }

.support-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-inner p { font-size: 13px; color: var(--text-secondary); }

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-links a:hover { color: var(--text); text-decoration: none; }

@media (max-width: 600px) {
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 17px; }
  .section-title { font-size: 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}