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

:root {
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --surface: #ffffff;
  --border: #e5e7eb;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-soft: #eef2ff;
  --success: #10b981;
  --radius: 12px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
}

html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, 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; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ── HEADER ── */
header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
}
.nav-links a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); text-decoration: none; }
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--bg-alt); text-decoration: none; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }

/* ── HERO ── */
.hero {
  padding: 96px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.hero h1 span { color: var(--accent); }
.hero p {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 36px;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-form {
  display: flex;
  gap: 8px;
  max-width: 460px;
  margin: 0 auto 14px;
}
.hero-form input {
  flex: 1;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: #fff;
}
.hero-form input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form-note { font-size: 0.82rem; color: var(--muted); }
.form-msg { font-size: 0.9rem; margin-top: 10px; min-height: 1.2em; }
.form-msg.ok { color: var(--success); }
.form-msg.err { color: #dc2626; }

/* ── SECTIONS ── */
section { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.section-head p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.feature {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.2s;
}
.feature:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.feature h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 0.95rem; }

/* ── HOW IT WORKS ── */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  counter-reset: step;
}
.step { position: relative; padding-top: 20px; }
.step-num {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* ── CTA BAND ── */
.cta-band {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
  color: #fff;
  margin: 40px 0;
}
.cta-band h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 12px; }
.cta-band p { opacity: 0.92; margin-bottom: 24px; max-width: 480px; margin-left: auto; margin-right: auto; }
.cta-band .btn-primary { background: #fff; color: var(--accent); }
.cta-band .btn-primary:hover { background: #f1f5f9; }

/* ── FAQ ── */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.02rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.5rem; color: var(--muted); font-weight: 400; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { color: var(--muted); margin-top: 10px; font-size: 0.95rem; }

/* ── FOOTER ── */
footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-grid h4 { font-size: 0.85rem; font-weight: 700; color: var(--text); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 14px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--muted); }
.footer-grid a:hover { color: var(--text); }
.footer-about p { font-size: 0.88rem; max-width: 280px; margin-top: 12px; }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}

/* ── CONTENT PAGES (privacy, terms, about) ── */
.content {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px;
}
.content h1 { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 8px; }
.content .meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 32px; }
.content h2 { font-size: 1.3rem; font-weight: 700; margin: 32px 0 12px; }
.content h3 { font-size: 1.05rem; font-weight: 700; margin: 20px 0 8px; }
.content p, .content li { color: #334155; margin-bottom: 12px; }
.content ul, .content ol { margin-left: 24px; margin-bottom: 12px; }

/* ── ARTICLE / BLOG POST ── */
.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}
.article .post-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.article h1 {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.6px;
  line-height: 1.15;
  margin-bottom: 14px;
}
.article .post-meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.article .lead {
  font-size: 1.15rem;
  color: #334155;
  line-height: 1.65;
  margin-bottom: 28px;
}
.article h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 44px 0 14px;
  letter-spacing: -0.3px;
}
.article h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 28px 0 10px;
}
.article p, .article li {
  color: #1e293b;
  font-size: 1.02rem;
  line-height: 1.75;
  margin-bottom: 16px;
}
.article ul, .article ol { padding-left: 24px; margin-bottom: 20px; }
.article li { margin-bottom: 8px; }
.article blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
  color: var(--muted);
  font-style: italic;
}
.article strong { color: #0f172a; }
.article .callout {
  background: var(--accent-soft);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 28px 0;
  font-size: 0.95rem;
}
.article .callout strong { color: var(--accent); }
.article .disclaimer {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
}
.article .back-link {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 24px;
}
.article .back-link:hover { color: var(--accent); }

/* ── RESPONSIVE ── */
@media (max-width: 720px) {
  .nav-links a:not(.btn) { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 60px 0 50px; }
  section { padding: 56px 0; }
  .cta-band { padding: 40px 24px; border-radius: 16px; }
  .hero-form { flex-direction: column; }
}