:root {
  --bg: #ffffff;
  --bg-soft: #f5f6f8;
  --text: #14161a;
  --muted: #5b6270;
  --border: #e3e6eb;
  --accent: #3b5bfd;
  --accent-2: #8a3ffc;
  --card: #ffffff;
  --radius: 18px;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0f13;
    --bg-soft: #151820;
    --text: #eef0f4;
    --muted: #9aa2b1;
    --border: #262b36;
    --card: #151820;
    --accent: #6f86ff;
    --accent-2: #b07cff;
  }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, Helvetica, 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: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
header.site .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--text); }
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 1rem;
}
nav.main { display: flex; gap: 22px; }
nav.main a { color: var(--muted); font-size: .95rem; font-weight: 500; }
nav.main a:hover, nav.main a.active { color: var(--text); text-decoration: none; }
@media (max-width: 600px) { nav.main { gap: 14px; } nav.main a { font-size: .85rem; } nav.main .hide-sm { display: none; } }

/* Hero */
.hero { padding: 96px 0 72px; text-align: center; }
.eyebrow { display: inline-block; padding: 6px 14px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--border); color: var(--muted); font-size: .85rem; font-weight: 500; margin-bottom: 22px; }
.hero h1 { font-size: clamp(2.3rem, 6vw, 4rem); line-height: 1.08; letter-spacing: -0.03em; font-weight: 800; max-width: 820px; margin: 0 auto 20px; }
.gradient { background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 640px; margin: 0 auto 34px; }
.btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 24px; border-radius: 12px; font-weight: 600; font-size: 1rem; border: 1px solid transparent; transition: transform .15s ease, opacity .15s ease; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--text); color: var(--bg); }
.btn-secondary { background: var(--bg-soft); color: var(--text); border-color: var(--border); }

/* Sections */
section { padding: 72px 0; }
section.alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); letter-spacing: -0.02em; margin-bottom: 12px; }
.section-head p { color: var(--muted); font-size: 1.08rem; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.card .icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); margin-bottom: 16px; }
.card .icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .98rem; }

.cta { text-align: center; }
.cta .box { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border-radius: 28px; padding: 56px 28px; }
.cta h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin-bottom: 12px; letter-spacing: -0.02em; }
.cta p { opacity: .9; margin-bottom: 26px; font-size: 1.08rem; }
.cta .btn { background: #fff; color: #14161a; }

/* Legal / content pages */
.page-head { padding: 64px 0 24px; }
.page-head h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.02em; margin-bottom: 8px; }
.page-head p { color: var(--muted); }
.prose { max-width: 760px; padding-bottom: 80px; }
.prose h2 { font-size: 1.35rem; margin: 36px 0 10px; letter-spacing: -0.01em; }
.prose h3 { font-size: 1.08rem; margin: 22px 0 8px; }
.prose p, .prose li { color: var(--text); margin-bottom: 12px; }
.prose ul { padding-left: 22px; margin-bottom: 12px; }
.prose .note { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; color: var(--muted); }

/* FAQ */
.faq { max-width: 760px; }
.faq details { border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px; margin-bottom: 12px; background: var(--card); }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin-top: 10px; }

.contact-card { max-width: 760px; margin-bottom: 40px; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
.contact-card h3 { margin-bottom: 4px; }

/* Footer */
footer.site { border-top: 1px solid var(--border); padding: 36px 0; color: var(--muted); font-size: .9rem; }
footer.site .container { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
footer.site nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--text); }