/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #08080f;
  --bg2:       #0f0f1a;
  --card:      rgba(255,255,255,0.04);
  --border:    rgba(255,255,255,0.08);
  --accent:    #00d4c8;
  --accent2:   #7b5cf5;
  --text:      #f0f0f5;
  --muted:     rgba(240,240,245,0.55);
  --radius:    18px;
  --radius-sm: 12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img { display: block; max-width: 100%; }

/* ── Layout ── */
.container { max-width: 900px; margin: 0 auto; padding: 0 24px; }

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,8,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
  text-decoration: none;
}

.nav-logo img {
  width: 30px;
  height: 30px;
  border-radius: 7px;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
}

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

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 100px 24px 80px;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(123,92,245,0.18) 0%, transparent 70%);
}

.hero-icon {
  width: 110px;
  height: 110px;
  border-radius: 26px;
  margin: 0 auto 32px;
  box-shadow: 0 24px 60px rgba(0,212,200,0.2), 0 8px 24px rgba(0,0,0,0.5);
}

.hero h1 {
  font-size: clamp(36px, 6vw, 58px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 40%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 19px;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.65;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover { transform: translateY(-2px); text-decoration: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: #000;
  box-shadow: 0 8px 30px rgba(0,212,200,0.3);
}

.btn-primary:hover { box-shadow: 0 12px 40px rgba(0,212,200,0.45); }

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

.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.hero-badge {
  margin-top: 32px;
  font-size: 13px;
  color: var(--muted);
}

.hero-badge span {
  display: inline-block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 5px 14px;
  margin: 4px;
}

/* ── Section ── */
section { padding: 80px 0; }

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.65;
}

/* ── Feature grid ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(0,212,200,0.3);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 30px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* ── Security section ── */
.security-section {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 48px;
}

@media (max-width: 640px) {
  .security-grid { grid-template-columns: 1fr; gap: 32px; }
}

.security-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }

.security-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
  color: var(--muted);
}

.security-list .check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0,212,200,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.security-list .check::after {
  content: "✓";
  font-size: 11px;
  font-weight: 800;
  color: var(--accent);
}

.code-block {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 13px;
  color: var(--accent);
  line-height: 1.8;
}

.code-block .comment { color: var(--muted); }

/* ── Pro section ── */
.pro-card {
  background: linear-gradient(135deg, rgba(123,92,245,0.15), rgba(0,212,200,0.1));
  border: 1px solid rgba(123,92,245,0.3);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  margin-top: 48px;
}

.pro-card h3 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 12px;
}

.pro-card p {
  color: var(--muted);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.pro-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 32px;
}

.pro-pill {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--text);
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
  list-style: none;
}

.footer-links a { font-size: 14px; color: var(--muted); }
.footer-links a:hover { color: var(--text); text-decoration: none; }

footer p { font-size: 13px; color: var(--muted); }

/* ── Support / Privacy page ── */
.page-hero {
  padding: 80px 24px 60px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.page-hero p { color: var(--muted); font-size: 17px; }

.page-content {
  padding: 60px 24px 100px;
  max-width: 720px;
  margin: 0 auto;
}

.page-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.page-content h2:first-child { margin-top: 0; }

.page-content p { color: var(--muted); margin-bottom: 16px; font-size: 16px; line-height: 1.75; }

.page-content strong { color: var(--text); }

.page-content ul { list-style: none; margin-bottom: 16px; }

.page-content ul li {
  color: var(--muted);
  font-size: 15px;
  padding: 6px 0 6px 20px;
  position: relative;
}

.page-content ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 13px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-bottom: 16px;
}

.faq-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.faq-item p, .faq-item li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.contact-card {
  background: linear-gradient(135deg, rgba(123,92,245,0.12), rgba(0,212,200,0.08));
  border: 1px solid rgba(0,212,200,0.2);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  margin-top: 48px;
}

.contact-card h2 { border: none; margin-top: 0; }
.contact-card p { max-width: 400px; margin: 0 auto 24px; }

.code-inline {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 13px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  color: var(--accent);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .hero { padding: 70px 24px 60px; }
  .pro-card { padding: 32px 24px; }
  section { padding: 60px 0; }
}