:root {
  --bg: #040404;
  --bg-alt: #0d0d0d;
  --surface: #141414;
  --border: #232323;
  --text: #f5f5f5;
  --text-muted: #a3a3a3;
  --accent: #3ED97A;
  --accent-hover: #63e396;
  --danger: #e5484d;
  --danger-hover: #ff5f63;
  --radius: 14px;
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; }
p { color: var(--text-muted); margin: 0 0 16px; }
ul, ol { color: var(--text-muted); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(4, 4, 4, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 110px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
}

.brand-logo {
  display: block;
  height: 92px;
  width: auto;
}

.site-nav {
  display: flex;
  gap: 28px;
}

.site-nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 96px 0;
  background:
    radial-gradient(circle at 80% -10%, rgba(62, 217, 122, 0.18), transparent 55%),
    var(--bg);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('../assets/bg.jpg');
  background-size: cover;
  background-position: center 40%;
  opacity: 0.28;
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% -10%, rgba(62, 217, 122, 0.18), transparent 55%),
    linear-gradient(180deg, rgba(4, 4, 4, 0.55) 0%, var(--bg) 85%);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.hero-art { display: flex; justify-content: center; }

.hero h1 {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

.hero .lead {
  font-size: 1.15rem;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: #04140a;
}
.btn-primary:hover { background: var(--accent-hover); color: #04140a; }

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--text); }

/* Decorative phone mock */
.phone-shot {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.6));
}

/* ---------- Features ---------- */
.features {
  padding: 96px 0;
  border-top: 1px solid var(--border);
}

.features h2 { text-align: center; margin-bottom: 48px; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.feature-icon { font-size: 1.8rem; margin-bottom: 12px; }

.feature-card p { margin-bottom: 0; }

/* ---------- Privacy & Delete sections ---------- */
.policy, .delete-account {
  padding: 96px 0;
  border-top: 1px solid var(--border);
}

.policy-updated {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.policy-body {
  max-width: 800px;
}

.policy-body h3 {
  margin-top: 32px;
}

.delete-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

.delete-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.delete-note {
  margin-top: 32px;
  padding: 20px 24px;
  border-radius: var(--radius);
  background: var(--bg-alt);
  border: 1px solid var(--border);
}

.delete-note p { margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-inner nav { display: flex; gap: 20px; }
.footer-inner nav a { color: var(--text-muted); }
.footer-inner nav a:hover { color: var(--text); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .delete-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 110px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    display: none;
  }

  .site-nav.open { display: flex; }

  .hero h1 { font-size: 2.2rem; }
  .hero { min-height: auto; padding: 64px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .features, .policy, .delete-account { padding: 64px 0; }
}