/* Nation.EU — parking site for Nation.AI */
:root {
  --ink: #141a33;
  --ink-soft: #4a5275;
  --bg: #ffffff;
  --bg-alt: #f4f6fc;
  --line: #e1e5f2;
  --brand: #3b4cf0;
  --brand-dark: #2433c4;
  --accent: #19c4a6;
  --gold: #ffc83d;
  --radius: 18px;
  --shadow: 0 18px 40px -18px rgba(28, 38, 110, .35);
  --max: 1120px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-underline-offset: 3px; }
a:hover { color: var(--brand-dark); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.02em; margin: 0 0 .6em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: #fff; padding: 8px 12px; z-index: 10; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 5;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 66px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--ink); text-decoration: none; }
.logo span b { color: var(--brand); }
.nav { display: flex; gap: 6px 22px; flex-wrap: wrap; align-items: center; }
.nav a { color: var(--ink-soft); text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--brand); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px;
  font-weight: 700; text-decoration: none; transition: transform .15s, box-shadow .15s, background .15s;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--brand-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost { border: 2px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.nav .btn { padding: 8px 18px; color: #fff; }

/* Hero */
.hero { background: radial-gradient(1200px 500px at 85% -10%, #e3e7ff 0%, transparent 60%), radial-gradient(800px 400px at -10% 110%, #dcfaf3 0%, transparent 60%); padding: 72px 0 64px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; color: var(--brand); background: #e8ebff; padding: 6px 12px; border-radius: 999px; margin-bottom: 18px; }
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 36em; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.hero-note { margin-top: 18px; font-size: .9rem; color: var(--ink-soft); }

/* Sections */
section { padding: 80px 0; }
.alt { background: var(--bg-alt); }
.section-head { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.section-head p { color: var(--ink-soft); font-size: 1.08rem; }

.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: 0 1px 0 rgba(20, 26, 51, .03);
}
.card p { color: var(--ink-soft); margin: 0; }
.icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: #e8ebff; margin-bottom: 16px; }
.icon svg { width: 26px; height: 26px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.checklist { list-style: none; padding: 0; margin: 0 0 1em; }
.checklist li { position: relative; padding-left: 34px; margin-bottom: 12px; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/14px no-repeat;
}

/* Steps */
.steps { counter-reset: step; }
.step { position: relative; padding-top: 58px; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: 24px; left: 28px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--brand); color: #fff; font-weight: 800; display: grid; place-items: center;
}
.step h3 { margin-top: 12px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: center; }
.stat strong { display: block; font-size: 2rem; color: var(--brand); line-height: 1.1; }
.stat span { color: var(--ink-soft); font-size: .95rem; }

/* Reviews */
.review { margin: 0; display: flex; flex-direction: column; gap: 16px; }
.stars { color: var(--gold); letter-spacing: 2px; font-size: 1.1rem; }
.review blockquote { margin: 0; font-size: 1.02rem; color: var(--ink); }
.review footer { display: flex; align-items: center; gap: 12px; margin-top: auto; font-size: .92rem; color: var(--ink-soft); }
.avatar { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: #fff; flex: none; }
.review footer b { color: var(--ink); display: block; }

/* FAQ */
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px; margin-bottom: 12px; }
.faq summary { cursor: pointer; font-weight: 700; list-style: none; position: relative; padding-right: 30px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: -2px; font-size: 1.4rem; color: var(--brand); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 0; color: var(--ink-soft); }

/* CTA band */
.cta-band { background: linear-gradient(120deg, var(--brand) 0%, #6a3cf0 55%, #1fb59b 130%); color: #fff; border-radius: 28px; padding: 56px 40px; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255, 255, 255, .88); max-width: 640px; margin: 0 auto 26px; }
.cta-band .btn-primary { background: #fff; color: var(--brand-dark); }
.cta-band .btn-primary:hover { background: #f0f2ff; }

/* Page hero (inner pages) */
.page-hero { padding: 64px 0 24px; background: linear-gradient(180deg, #eef0ff 0%, #fff 100%); }
.page-hero .lead { margin-bottom: 0; }
.breadcrumb { font-size: .88rem; color: var(--ink-soft); margin-bottom: 14px; }
.breadcrumb a { color: var(--ink-soft); }

.prose { max-width: 760px; }
.prose h2 { margin-top: 1.6em; font-size: 1.6rem; }

/* Footer */
.site-footer { background: #0f1430; color: #b9c0e0; padding: 56px 0 32px; font-size: .95rem; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
.footer-grid h4 { color: #fff; margin: 0 0 12px; font-size: 1rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .12); padding-top: 22px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .85rem; }

/* Responsive */
@media (max-width: 920px) {
  .hero .wrap, .split { grid-template-columns: 1fr; gap: 36px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding: 56px 0; }
  .hero { padding: 44px 0; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 22px; border-radius: 20px; }
  .nav { gap: 4px 16px; }
  .nav .btn { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}