/* Flex Go — shared styles (landing + legal) */
:root {
  --primary: #4F46E5;
  --primary-dark: #7C3AED;
  --primary-container: #E0E7FF;
  --on-primary-container: #312E81;
  --accent: #10B981;
  --error: #DC2626;
  --success: #10B981;
  --success-container: #D1FAE5;
  --on-success-container: #065F46;
  --surface: #FFFFFF;
  --surface-alt: #F8FAFC;
  --on-surface: #0F172A;
  --on-surface-muted: #64748B;
  --border: #E2E8F0;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-sm: 0 1px 3px rgba(79, 70, 229, 0.08);
  --shadow-md: 0 10px 28px rgba(79, 70, 229, 0.16);
  --max-width: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #131318;
    --surface-alt: #1b1b22;
    --on-surface: #E2E8F0;
    --on-surface-muted: #94A3B8;
    --border: #283548;
    --primary: #818CF8;
    --primary-dark: #A78BFA;
    --primary-container: #312E81;
    --on-primary-container: #E0E7FF;
    --success-container: #064E3B;
    --on-success-container: #A7F3D0;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--on-surface);
  background: var(--surface);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Header */
header.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(180%) blur(10px);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--on-surface); }
.brand-logo {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 15px;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--on-surface-muted); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--primary); text-decoration: none; }

/* Hero */
.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(1200px 420px at 82% -120px, var(--primary-container), transparent 60%),
    radial-gradient(1000px 360px at 0% -120px, rgba(124, 58, 237, 0.14), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }
.eyebrow {
  display: inline-block; padding: 6px 12px; border-radius: 999px;
  background: var(--primary-container); color: var(--on-primary-container);
  font-size: 12px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase;
}
.hero h1 { font-size: 56px; line-height: 1.05; margin: 16px 0 20px; letter-spacing: -0.02em; }
.hero p.lead { font-size: 20px; color: var(--on-surface-muted); margin-bottom: 32px; max-width: 560px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px;
  border-radius: var(--radius-lg); font-weight: 600; font-size: 15px; border: none;
  cursor: pointer; transition: transform 0.06s ease, box-shadow 0.2s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; box-shadow: var(--shadow-md); }
.btn-secondary { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-secondary:hover { background: var(--primary-container); text-decoration: none; }
.btn:active { transform: translateY(1px); }

/* Phone mockup */
.phone {
  width: 280px; height: 580px; margin: 0 auto; background: #f0f2fb;
  border-radius: 36px; border: 8px solid #14183a; box-shadow: var(--shadow-md);
  padding: 20px 16px; position: relative; overflow: hidden;
}
.phone::before {
  content: ""; position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 80px; height: 22px; background: #14183a; border-radius: 0 0 12px 12px;
}
.phone-status {
  margin-top: 18px; padding: 14px; color: #fff; border-radius: 16px; text-align: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}
.phone-status .dot {
  width: 10px; height: 10px; background: var(--accent); border-radius: 50%;
  display: inline-block; margin-right: 8px; animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .6; transform: scale(1.2); } }
.phone-card { margin-top: 14px; padding: 14px; border: 1px solid #e1e6ec; border-radius: 14px; background: #fff; color: #1a1c1e; }
.phone-card .title { font-size: 13px; font-weight: 700; color: #1a1c1e; }
.phone-card .meta { font-size: 11px; color: #5a6470; margin-top: 4px; }
.phone-card .row { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; font-size: 12px; color: #1a1c1e; }
.phone-card .row strong { color: #1a1c1e; font-size: 14px; }
.tag { display: inline-block; font-size: 10px; padding: 3px 8px; border-radius: 6px; background: var(--primary-container); color: var(--on-primary-container); font-weight: 700; }
.tag-success { background: var(--success-container); color: var(--on-success-container); }

/* Sections */
section { padding: 96px 0; }
section.alt { background: var(--surface-alt); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head h2 { font-size: 40px; line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.01em; }
.section-head p { color: var(--on-surface-muted); font-size: 18px; margin: 0; }

/* Feature grid */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature {
  padding: 28px; border-radius: var(--radius-md); background: var(--surface);
  border: 1px solid var(--border); transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature .icon {
  width: 48px; height: 48px; border-radius: 14px; color: #fff; display: grid;
  place-items: center; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}
.feature .icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.feature h3 { margin: 0 0 8px; font-size: 18px; }
.feature p { margin: 0; color: var(--on-surface-muted); font-size: 15px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { padding: 24px; background: var(--surface); border-radius: var(--radius-md); border: 1px solid var(--border); }
.step::before {
  counter-increment: step; content: counter(step); display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 999px; background: var(--primary); color: #fff;
  font-weight: 700; font-size: 14px; margin-bottom: 14px;
}
.step h4 { margin: 0 0 8px; font-size: 16px; }
.step p { margin: 0; color: var(--on-surface-muted); font-size: 14px; }

/* Callout */
.callout { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; border-radius: var(--radius-md); padding: 48px; text-align: center; }
.callout h2 { font-size: 32px; margin: 0 0 12px; }
.callout p { font-size: 18px; margin: 0 0 24px; opacity: 0.92; }
.callout .btn-primary { background: #fff; color: var(--primary-dark); }
.callout .btn-primary:hover { background: #eef1ff; color: var(--primary-dark); }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; }
.faq details { border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px 24px; margin-bottom: 12px; background: var(--surface); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 16px; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::after { content: "+"; font-size: 24px; font-weight: 300; color: var(--primary); margin-left: 16px; }
.faq details[open] summary::after { content: "−"; }
.faq p { margin: 14px 0 0; color: var(--on-surface-muted); }

/* Footer */
footer.site-footer { background: var(--surface-alt); border-top: 1px solid var(--border); padding: 48px 0 32px; margin-top: 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 32px; }
.footer-grid p { color: var(--on-surface-muted); max-width: 360px; margin: 12px 0 0; }
.footer-col h5 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--on-surface-muted); margin: 0 0 12px; }
.footer-col a { display: block; color: var(--on-surface); font-size: 14px; margin-bottom: 8px; }
.footer-bar { padding-top: 24px; border-top: 1px solid var(--border); font-size: 13px; color: var(--on-surface-muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* Legal pages */
.legal { padding: 56px 0 96px; }
.legal-header { margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.legal-header h1 { font-size: 44px; margin: 8px 0 12px; letter-spacing: -0.02em; }
.legal-header .updated { color: var(--on-surface-muted); font-size: 14px; }
.legal-body { max-width: 820px; }
.legal-body h2 { font-size: 22px; margin: 36px 0 12px; letter-spacing: -0.01em; }
.legal-body p, .legal-body li { font-size: 16px; color: var(--on-surface); }
.legal-body p { margin: 0 0 14px; color: var(--on-surface-muted); }
.legal-body ul { padding-left: 22px; margin: 0 0 16px; }
.legal-body li { margin-bottom: 8px; color: var(--on-surface-muted); }
.legal-body strong { color: var(--on-surface); }
.legal-body a { color: var(--primary); font-weight: 500; }
.legal-body .note { background: var(--primary-container); color: var(--on-primary-container); padding: 16px 20px; border-radius: var(--radius-sm); border-left: 4px solid var(--primary); margin: 16px 0 24px; }
.legal-body .note strong { color: var(--on-primary-container); }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 40px; }
  .hero p.lead { font-size: 18px; }
  .features { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  section { padding: 64px 0; }
  .section-head h2 { font-size: 30px; }
  .callout { padding: 32px 24px; }
  .legal-header h1 { font-size: 32px; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.btn) { display: none; }
}