/* style.css — Heewon's Football School */

:root {
  --ink: #12161c;
  --muted: #5d6b78;
  --line: #dfe5ea;
  --bg: #ffffff;
  --soft: #f4f7f9;
  --blue: #2f7fd0;
  --blue-dark: #1d5c9e;
  --mark: #e8330f;
  --amber: #f0a500;
  --green: #2f7f3a;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(18,22,28,.06), 0 8px 24px rgba(18,22,28,.06);
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, svg { max-width: 100%; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }

/* ── header ─────────────────────────────────────────────────────────────── */
.top {
  position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.6) blur(10px); border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 18px; height: 62px; }
.brand { display: flex; align-items: baseline; gap: 9px; text-decoration: none; font-weight: 800; letter-spacing: -.2px; }
.brand .who { color: var(--blue); }
.brand .sub { font-weight: 600; color: var(--muted); font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.top nav { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.top nav a {
  text-decoration: none; font-size: 13.5px; font-weight: 600; color: var(--muted);
  padding: 7px 11px; border-radius: 9px;
}
.top nav a:hover { background: var(--soft); color: var(--ink); }
.top nav a[aria-current] { background: var(--ink); color: #fff; }

/* ── hero ───────────────────────────────────────────────────────────────── */
.hero { padding: 54px 0 30px; }
.hero h1 { font-size: clamp(34px, 6vw, 60px); line-height: 1.02; margin: 0 0 14px; letter-spacing: -1.4px; }
.hero h1 span { color: var(--blue); }
.hero p { font-size: clamp(16px, 2vw, 19px); color: var(--muted); max-width: 62ch; margin: 0 0 22px; }
.hero .cta { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none; cursor: pointer;
  font-weight: 700; font-size: 15px; padding: 11px 18px; border-radius: 11px;
  border: 1px solid var(--ink); background: var(--ink); color: #fff;
}
.btn.ghost { background: #fff; color: var(--ink); }
.btn:hover { transform: translateY(-1px); }

.strapline { display: flex; gap: 26px; flex-wrap: wrap; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
.strapline div { font-size: 14px; color: var(--muted); }
.strapline b { display: block; font-size: 25px; color: var(--ink); letter-spacing: -.5px; }

/* ── level sections + cards ─────────────────────────────────────────────── */
.level { padding: 30px 0 8px; }
.level h2 { font-size: 24px; margin: 0 0 3px; letter-spacing: -.4px; }
.level p.blurb { color: var(--muted); margin: 0 0 18px; max-width: 78ch; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(212px, 1fr)); gap: 12px; }
.card {
  display: block; text-decoration: none; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 15px; background: #fff; transition: .14s ease;
}
.card:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-2px); }
.card .n { font-size: 12px; font-weight: 800; color: var(--blue); letter-spacing: .08em; }
.card h3 { margin: 3px 0 6px; font-size: 16.5px; letter-spacing: -.2px; }
.card .meta { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--muted); }
.stars { color: var(--amber); letter-spacing: 1px; }

/* ── skill page ─────────────────────────────────────────────────────────── */
.skill-head { padding: 30px 0 18px; display: flex; gap: 18px; align-items: flex-start; flex-wrap: wrap; }
.skill-head .no {
  width: 56px; height: 56px; flex: none; border-radius: 50%; background: var(--amber);
  border: 3px solid var(--ink); display: grid; place-items: center; font-weight: 800; font-size: 22px;
}
.skill-head h1 { margin: 0; font-size: clamp(28px, 4.4vw, 42px); letter-spacing: -1px; line-height: 1.05; }
.skill-head .aka { color: var(--muted); margin: 4px 0 0; }
.skill-head .tags { margin-left: auto; display: flex; gap: 7px; flex-wrap: wrap; align-items: center; }
.tag { font-size: 12.5px; font-weight: 700; padding: 5px 10px; border-radius: 20px; background: var(--soft); border: 1px solid var(--line); }
.tag.lvl { background: var(--ink); color: #fff; border-color: var(--ink); }
.why { font-size: 19px; line-height: 1.45; margin: 0 0 26px; max-width: 74ch; font-weight: 500; }

.player { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 22px; align-items: start; }
@media (max-width: 900px) { .player { grid-template-columns: 1fr; } }
.stage {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--soft);
  aspect-ratio: 520 / 640; display: grid; place-items: center;
}
.stage svg { width: 100%; height: 100%; display: block; }
.controls { display: flex; gap: 8px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 11px; overflow: hidden; }
.seg button {
  font: inherit; font-weight: 700; font-size: 14px; padding: 9px 15px; border: 0; cursor: pointer;
  background: #fff; color: var(--muted);
}
.seg button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.controls .play { font: inherit; font-weight: 700; font-size: 14px; padding: 9px 15px; border-radius: 11px;
  border: 1px solid var(--line); background: #fff; cursor: pointer; }
.scrub { flex: 1; min-width: 130px; accent-color: var(--blue); }
.hint { font-size: 12.5px; color: var(--muted); margin: 8px 0 0; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.steps li {
  display: grid; grid-template-columns: 26px 1fr; gap: 11px; padding: 11px 13px; cursor: pointer;
  border: 1px solid var(--line); border-radius: 11px; background: #fff; transition: .12s;
}
.steps li:hover { border-color: var(--blue); }
.steps li.on { border-color: var(--ink); background: var(--soft); box-shadow: var(--shadow); }
.steps .k { width: 26px; height: 26px; border-radius: 50%; background: var(--ink); color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 800; }
.steps li.on .k { background: var(--mark); }
.steps .surface { display: inline-block; font-size: 10.5px; font-weight: 800; letter-spacing: .06em;
  background: var(--mark); color: #fff; padding: 2px 6px; border-radius: 5px; margin-right: 7px; vertical-align: 1px; }
.steps p { margin: 0; font-size: 14.5px; line-height: 1.4; }

/* ── panels + extras ────────────────────────────────────────────────────── */
section.band { padding: 34px 0 6px; }
section.band h2 { font-size: 20px; margin: 0 0 4px; letter-spacing: -.3px; }
section.band .lede { color: var(--muted); margin: 0 0 16px; max-width: 74ch; }
.strip { display: grid; grid-template-columns: repeat(var(--n, 5), 1fr); gap: 10px; }
@media (max-width: 760px) { .strip { grid-template-columns: repeat(2, 1fr); } }
.strip figure { margin: 0; }
.strip svg { width: 100%; height: auto; border-radius: 11px; display: block; }
.strip figcaption { font-size: 13px; color: var(--muted); margin-top: 7px; line-height: 1.4; }

.two { display: grid; grid-template-columns: 1.5fr 1fr; gap: 18px; align-items: start; }
@media (max-width: 860px) { .two { grid-template-columns: 1fr; } }
.panel-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; background: #fff; }
.panel-box h3 { margin: 0 0 8px; font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.panel-box.cue { background: #fffdf3; border-color: #e9c96b; }
.panel-box.cue p { font-size: 18px; font-weight: 700; margin: 0; }
.panel-box.warn { background: #fff6f4; border-color: #f0b3a4; }
.panel-box ul { margin: 0; padding-left: 18px; }
.panel-box li { margin: 3px 0; }
[data-drill] svg { width: 100%; height: auto; border-radius: 11px; }

.feet { display: flex; gap: 14px; flex-wrap: wrap; }
.feet figure { margin: 0; width: 82px; text-align: center; }
.feet svg { width: 100%; height: auto; }
.feet figcaption { font-size: 11.5px; font-weight: 800; letter-spacing: .05em; margin-top: 4px; }

.pager { display: flex; justify-content: space-between; gap: 12px; padding: 34px 0 10px; border-top: 1px solid var(--line); margin-top: 34px; }
.pager a { text-decoration: none; font-weight: 700; color: var(--muted); font-size: 14.5px; }
.pager a:hover { color: var(--ink); }

footer.foot { border-top: 1px solid var(--line); margin-top: 40px; padding: 26px 0 44px; color: var(--muted); font-size: 13.5px; }
footer.foot a { color: var(--blue); }