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

:root {
  --green: #00c853;
  --green-bright: #00e676;
  --green-dim: rgba(0,200,83,0.12);
  --green-glow: rgba(0,200,83,0.35);
  --bg: #0d1117;
  --bg-card: #161b22;
  --bg-elevated: #1c2128;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --text-subtle: #484f58;
  --red: #f85149;
  --radius: 12px;
}

html { scroll-behavior: smooth; }

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

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

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: rgba(13,17,23,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo svg { width: 28px; height: 28px; }

.nav-logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}

.nav-logo-text span { color: var(--green); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s;
}

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

.nav-cta {
  background: var(--green) !important;
  color: #0d1117 !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 700 !important;
  font-size: 14px;
  transition: box-shadow 0.15s, transform 0.15s !important;
}

.nav-cta:hover {
  box-shadow: 0 0 16px var(--green-glow) !important;
  transform: translateY(-1px);
  text-decoration: none !important;
}

/* ── Sections ── */
section { padding: 80px 40px; max-width: 1100px; margin: 0 auto; }

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 120px 40px 80px;
  max-width: 860px;
  margin: 0 auto;
  position: relative;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0,200,83,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green-dim);
  border: 1px solid rgba(0,200,83,0.3);
  color: var(--green);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 28px;
  letter-spacing: 0.3px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--text);
  margin-bottom: 22px;
}

.hero h1 span { color: var(--green); }

.hero p {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: #0d1117;
  font-weight: 700;
  font-size: 15px;
  padding: 13px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  box-shadow: 0 4px 20px var(--green-glow);
}

.btn-primary:hover {
  background: var(--green-bright);
  box-shadow: 0 4px 28px var(--green-glow);
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 28px;
  border-radius: 10px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--text-muted);
  text-decoration: none;
}

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  max-width: 1100px;
  margin: 0 auto;
}

/* ── Steps ── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

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

.step-card:hover { border-color: rgba(0,200,83,0.4); }

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--green-dim);
  border: 1px solid var(--green);
  color: var(--green);
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

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

/* ── Features ── */
.section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--green);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-sub {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color 0.2s;
}

.feature-card:hover { border-color: rgba(0,200,83,0.35); }

.feature-icon {
  font-size: 22px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.feature-card p  { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ── Data fields ── */
.data-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
}

.data-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.data-pill span { color: var(--green); font-weight: 700; }

/* ── FAQ ── */
.faq-list { margin-top: 40px; display: flex; flex-direction: column; gap: 2px; }

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 8px;
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: var(--bg-card);
  border: none;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background 0.15s;
  gap: 12px;
}

.faq-q:hover { background: var(--bg-elevated); }

.faq-chevron {
  flex-shrink: 0;
  transition: transform 0.2s;
  color: var(--text-muted);
  font-size: 12px;
}

.faq-item.open .faq-chevron { transform: rotate(180deg); }

.faq-a {
  display: none;
  padding: 0 24px 20px;
  background: var(--bg-card);
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.faq-item.open .faq-a { display: block; }

/* ── Privacy page ── */
.prose {
  max-width: 720px;
  margin: 0 auto;
}

.prose h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 40px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.prose h2:first-of-type { border-top: none; margin-top: 0; }

.prose p  { font-size: 15px; color: var(--text-muted); margin-bottom: 14px; line-height: 1.8; }
.prose ul { padding-left: 20px; margin-bottom: 14px; }
.prose li { font-size: 15px; color: var(--text-muted); margin-bottom: 6px; line-height: 1.7; }
.prose strong { color: var(--text); font-weight: 600; }

.prose-date {
  font-size: 13px;
  color: var(--text-subtle);
  margin-bottom: 40px;
}

/* ── Support cards ── */
.support-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 48px;
  margin-bottom: 64px;
}

.support-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  text-decoration: none;
  display: block;
  transition: border-color 0.2s, transform 0.15s;
}

.support-card:hover {
  border-color: rgba(0,200,83,0.4);
  transform: translateY(-2px);
  text-decoration: none;
}

.support-card-icon { font-size: 32px; margin-bottom: 14px; display: block; }
.support-card h3   { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.support-card p    { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ── Page hero (inner pages) ── */
.page-hero {
  padding: 72px 40px 56px;
  max-width: 1100px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero-glow {
  position: absolute;
  top: 0; left: -100px;
  width: 500px; height: 300px;
  background: radial-gradient(ellipse, rgba(0,200,83,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero h1 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text);
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 520px;
}

/* ── Callout box ── */
.callout {
  background: var(--green-dim);
  border: 1px solid rgba(0,200,83,0.25);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 14px;
  color: var(--text-muted);
  margin: 32px 0;
  line-height: 1.7;
}

.callout strong { color: var(--green); }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
}

.footer-logo svg { width: 22px; height: 22px; }
.footer-logo span { color: var(--green); }

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

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--text); }

.footer-copy {
  font-size: 12px;
  color: var(--text-subtle);
  width: 100%;
}

/* ── Responsive ── */
@media (max-width: 680px) {
  nav { padding: 0 20px; }
  nav .nav-links { display: none; }
  section { padding: 60px 20px; }
  .hero { padding: 80px 20px 60px; }
  .page-hero { padding: 48px 20px 40px; }
  footer { padding: 32px 20px; flex-direction: column; align-items: flex-start; }
}