/* footballcore.app — Football Core brand (see PlayerCore/brand/README.md) */
:root {
  --dark: #0e1a13;
  --dark-2: #16261c;
  --green: #16a34a;
  --green-2: #22c55e;
  --green-soft: #dcfce7;
  --bg: #f4f6f5;
  --surface: #ffffff;
  --border: #e5e9e7;
  --text: #0f172a;
  --text-2: #475569;
  --muted: #64748b;
  --r: 16px;
  --font: Inter, 'Segoe UI Variable', 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b110d; --surface: #121a15; --border: #243029; --text: #e6ede8; --text-2: #a3b1a8; --muted: #7d8c83;
    --green-soft: rgba(34, 197, 94, 0.16); color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); font-size: 17px; line-height: 1.6; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--green); }
img { max-width: 100%; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: clamp(32px, 6vw, 56px); letter-spacing: -0.5px; }
h2 { font-size: clamp(24px, 4vw, 34px); }
h3 { font-size: 19px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

/* header */
.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px; padding: 12px clamp(16px, 4vw, 40px); background: var(--dark); color: #fff; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; font-size: 19px; margin-right: auto; }
.logo b { color: var(--green-2); }
.nav { display: flex; gap: 22px; }
.nav a { color: #c9d4cc; text-decoration: none; font-size: 15px; }
.nav a:hover { color: #fff; }
.lang { position: relative; }
.lang summary { list-style: none; cursor: pointer; padding: 6px 10px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; font-size: 14px; font-weight: 700; }
.lang summary::-webkit-details-marker { display: none; }
.lang-menu { position: absolute; right: 0; top: calc(100% + 8px); background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 6px; min-width: 170px; box-shadow: 0 12px 32px rgba(0,0,0,.25); }
.lang-menu a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--text); text-decoration: none; font-size: 15px; }
.lang-menu a:hover, .lang-menu a[aria-current] { background: var(--green-soft); color: var(--green); font-weight: 700; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border-radius: 12px; background: var(--green); color: #fff; font-weight: 700; text-decoration: none; border: 2px solid var(--green); }
.btn:hover { background: #15803d; border-color: #15803d; }
.btn-sm { min-height: 36px; padding: 0 14px; font-size: 14px; }
.btn-lg { min-height: 52px; padding: 0 26px; font-size: 17px; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); border-color: #fff; }

/* hero */
.hero { background: radial-gradient(1200px 500px at 80% 0%, #1d3a28 0%, var(--dark) 60%); color: #fff; display: flex; align-items: center; gap: 40px; padding: clamp(48px, 9vw, 110px) clamp(16px, 6vw, 80px); }
.hero-in { max-width: 720px; }
.eyebrow { text-transform: uppercase; letter-spacing: 3px; font-size: 13px; color: var(--green-2); font-weight: 700; margin: 0 0 12px; }
.lead { font-size: clamp(17px, 2.2vw, 20px); color: var(--text-2); }
.hero .lead { color: #c9d4cc; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero-mark { margin-left: auto; width: clamp(140px, 22vw, 240px); height: auto; filter: drop-shadow(0 20px 40px rgba(0,0,0,.45)); }

/* sections */
.section { padding: clamp(48px, 7vw, 88px) clamp(16px, 6vw, 80px); }
.section > * { max-width: 1120px; margin-left: auto; margin-right: auto; }
.section.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-lead { color: var(--text-2); margin-bottom: 32px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.card ul { padding-left: 20px; margin: 0 0 8px; color: var(--text-2); font-size: 16px; }
.card .btn, .card .soon { margin-top: auto; align-self: flex-start; }
.tag { font-size: 12px; text-transform: uppercase; letter-spacing: 2px; color: var(--green); font-weight: 800; }
.soon { display: inline-block; padding: 8px 14px; border-radius: 999px; background: var(--green-soft); color: var(--green); font-weight: 700; font-size: 14px; }
.steps { list-style: none; padding: 0; display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.steps li { display: flex; gap: 14px; align-items: flex-start; }
.steps p { margin: 0; color: var(--text-2); }
.num { flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; font-weight: 800; }
.checks { list-style: none; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.checks li { padding-left: 32px; position: relative; color: var(--text-2); }
.checks li::before { content: '✓'; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--green-soft); color: var(--green); font-weight: 800; font-size: 13px; display: grid; place-items: center; }

/* legal */
.legal { max-width: 820px; margin: 0 auto; padding: clamp(32px, 6vw, 64px) 16px 80px; }
.legal h2 { font-size: 22px; margin-top: 36px; scroll-margin-top: 80px; }
.legal p, .legal li { color: var(--text-2); }
.legal strong { color: var(--text); }
.note { background: var(--green-soft); border-radius: 12px; padding: 12px 16px; font-size: 15px; }
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 14px 18px; margin: 24px 0; }
.toc ol { margin: 0; padding-left: 22px; columns: 2; column-gap: 32px; font-size: 15px; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 12px 0; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text); }

/* footer */
.foot { background: var(--dark); color: #c9d4cc; padding: 36px clamp(16px, 6vw, 80px) 24px; }
.foot-in { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; max-width: 1120px; margin: 0 auto 16px; }
.foot img { vertical-align: middle; }
.foot strong { color: #fff; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.foot-links a { color: #c9d4cc; text-decoration: none; }
.foot-links a:hover { color: #fff; }
.foot .muted { color: #7d8c83; }
.foot > p { max-width: 1120px; margin: 0 auto; }

@media (max-width: 760px) {
  .nav { display: none; }
  .hero { flex-direction: column-reverse; align-items: flex-start; }
  .hero-mark { margin: 0; width: 110px; }
  .top .btn-sm { display: none; }
  .toc ol { columns: 1; }
}