/* SMPN 37 Bandung — seragam putih-biru, aksen kuning.
   Layout: hero tipografis "37" raksasa, lalu pita-pita konten full-width. */

:root {
  --bg: #f5f7fc;
  --surface: #ffffff;
  --ink: #0d1b3d;
  --muted: #4d5b7c;
  --navy: #14307a;
  --navy-ink: #ffffff;
  --sun: #ffc531;
  --sun-ink: #0d1b3d;
  --line: #d9e0ef;
  --hl: #14307a;

  --display: "Unbounded", "Arial Black", system-ui, sans-serif;
  --body: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --gutter: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a1228; --surface: #111c3a; --ink: #e8edfa; --muted: #a4b0cf;
    --navy: #1d3f9a; --line: #22305a; --sun: #ffcf4d; --hl: #ffcf4d;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0a1228; --surface: #111c3a; --ink: #e8edfa; --muted: #a4b0cf;
  --navy: #1d3f9a; --line: #22305a; --sun: #ffcf4d; --hl: #ffcf4d;
  color-scheme: dark;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; margin: 0; line-height: 1.05; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--sun); outline-offset: 3px; border-radius: 4px; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter-r);
}
.eyebrow {
  font-size: .78rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted);
}
.skip {
  position: absolute; left: 16px; top: -60px; z-index: 50;
  background: var(--sun); color: var(--sun-ink); padding: 10px 16px;
  border-radius: 8px; font-weight: 700; text-decoration: none;
}
.skip:focus { top: 16px; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: .95rem; text-decoration: none; }
.badge {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: var(--navy); color: var(--sun); font-weight: 900; font-size: .85rem;
}
.nav-right { display: flex; align-items: center; gap: 8px; }
.links { display: flex; gap: 4px; font-weight: 500; font-size: .92rem; }
.links a { text-decoration: none; color: var(--muted); padding: 8px 12px; border-radius: 999px; transition: color .2s, background .2s; }
.links a:hover, .links a[aria-current="true"] { color: var(--ink); background: color-mix(in srgb, var(--navy) 10%, transparent); }
.icon-btn {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  border: 1.5px solid var(--line); background: transparent; color: var(--ink); cursor: pointer;
}
.icon-btn:hover { border-color: var(--navy); }
.icon-btn svg { width: 18px; height: 18px; }
.menu-btn { display: none; }
.theme-btn .moon { display: none; }
:root[data-theme="dark"] .theme-btn .sun-i { display: none; }
:root[data-theme="dark"] .theme-btn .moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-btn .sun-i { display: none; }
  :root:not([data-theme="light"]) .theme-btn .moon { display: block; }
}

@media (max-width: 760px) {
  .menu-btn { display: grid; }
  .links {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; gap: 0;
    padding: 8px var(--gutter-r) 16px var(--gutter);
    background: var(--bg); border-bottom: 1px solid var(--line);
  }
  .links a { padding: 14px 4px; border-radius: 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .nav:not(.open) .links { display: none; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 999px;
  font-weight: 700; text-decoration: none; border: 2px solid var(--navy); transition: transform .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--navy); color: var(--navy-ink); }
.btn.ghost { color: var(--ink); border-color: var(--line); }
.btn.sun { background: var(--sun); color: var(--sun-ink); border-color: var(--sun); }

/* ---------- hero ---------- */
.hero { padding-block: 56px 40px; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 1fr; gap: 32px; align-items: center; }
.hero-text { min-width: 0; display: grid; gap: 22px; }
.hero h1 { font-size: clamp(2.1rem, 5.4vw, 3.8rem); font-weight: 900; letter-spacing: -.02em; }
.hero h1 em {
  font-style: normal; background: var(--sun); color: var(--sun-ink);
  padding: 0 .18em; border-radius: 6px;
  box-decoration-break: clone; -webkit-box-decoration-break: clone;
}
.hero p { max-width: 52ch; color: var(--muted); font-size: 1.08rem; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.numeral {
  position: relative; font-family: var(--display); font-weight: 900;
  font-size: clamp(9rem, 26vw, 19rem); line-height: .8; letter-spacing: -.06em;
  color: var(--navy); text-align: center; user-select: none;
}
.numeral span { display: inline-block; animation: rise .9s cubic-bezier(.2,.8,.2,1) both; }
.numeral span:nth-child(2) { color: transparent; -webkit-text-stroke: 3px var(--navy); animation-delay: .12s; }
.sticker {
  position: absolute; right: 4%; top: 2%;
  width: clamp(96px, 14vw, 128px); aspect-ratio: 1; max-width: 100%;
  border-radius: 50%; background: var(--sun); color: var(--sun-ink);
  display: grid; place-items: center; text-align: center;
  font-family: var(--body); font-size: .72rem; font-weight: 700; letter-spacing: .06em;
  line-height: 1.25; text-transform: uppercase; animation: spin 18s linear infinite;
}
.sticker b { display: block; font-family: var(--display); font-size: 2rem; letter-spacing: 0; }
@keyframes rise { from { transform: translateY(30px); } to { transform: none; } }
@keyframes spin { from { transform: rotate(12deg); } to { transform: rotate(372deg); } }
@media (max-width: 820px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .numeral { order: -1; }
}

/* ---------- ticker ---------- */
.ticker {
  background: var(--navy); color: var(--navy-ink); overflow: hidden; padding-block: 14px;
  font-family: var(--display); font-weight: 700; font-size: 1rem; white-space: nowrap;
}
.ticker-track { display: inline-flex; gap: 36px; animation: slide 32s linear infinite; padding-left: 36px; }
.ticker-track i { color: var(--sun); font-style: normal; }
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- sections ---------- */
.band { padding-block: 80px; }
.band.alt { background: var(--surface); border-block: 1px solid var(--line); }
.head { display: grid; gap: 10px; margin-bottom: 36px; max-width: 640px; }
.head h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); font-weight: 700; }
.head p { color: var(--muted); }

/* tentang */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 2px solid var(--ink); }
.fact { padding: 22px 18px 6px 0; display: grid; gap: 4px; min-width: 0; }
.fact + .fact { padding-left: 18px; border-left: 1px solid var(--line); }
.fact strong { font-family: var(--display); font-size: clamp(1.5rem, 3vw, 2.2rem); font-variant-numeric: tabular-nums; }
.fact span { color: var(--muted); font-size: .92rem; }
@media (max-width: 760px) {
  .facts { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(3) { padding-left: 0; border-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid var(--line); }
}
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 48px; }
.about-grid p { color: var(--muted); max-width: 60ch; }
.about-grid blockquote { margin: 0; font-family: var(--display); font-weight: 500; font-size: clamp(1.2rem, 2.4vw, 1.6rem); line-height: 1.3; }
.about-grid blockquote small { display: block; margin-top: 12px; font-family: var(--body); font-size: .85rem; color: var(--muted); font-weight: 500; }
@media (max-width: 760px) { .about-grid { grid-template-columns: 1fr; } }

/* program */
.programs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.prog {
  display: grid; gap: 12px; align-content: start; padding: 26px; border-radius: 18px;
  background: var(--bg); border: 1px solid var(--line); min-width: 0;
}
.prog .tag {
  justify-self: start; font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px; background: var(--navy); color: var(--navy-ink);
}
.prog h3 { font-size: 1.2rem; font-weight: 700; }
.prog p { color: var(--muted); font-size: .95rem; }
.prog.feature { background: var(--navy); color: var(--navy-ink); border-color: var(--navy); }
.prog.feature p { color: color-mix(in srgb, var(--navy-ink) 78%, transparent); }
.prog.feature .tag { background: var(--sun); color: var(--sun-ink); }
@media (max-width: 860px) { .programs { grid-template-columns: 1fr; } }

/* ekskul */
.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  display: flex; align-items: baseline; gap: 10px; padding: 14px 20px;
  border: 1.5px solid var(--line); border-radius: 999px; font-weight: 700;
  transition: background .2s, color .2s, border-color .2s;
}
.chip small { font-weight: 500; color: var(--muted); font-size: .8rem; }
.chip:hover { background: var(--navy); color: var(--navy-ink); border-color: var(--navy); }
.chip:hover small { color: var(--sun); }
.chip.big { font-size: 1.15rem; border-color: var(--sun); background: color-mix(in srgb, var(--sun) 18%, transparent); }

/* spmb */
.spmb { background: var(--navy); color: var(--navy-ink); }
.spmb .eyebrow { color: var(--sun); }
.spmb .head p { color: color-mix(in srgb, var(--navy-ink) 78%, transparent); }
.jalur { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: color-mix(in srgb, var(--navy-ink) 22%, transparent); border-radius: 18px; overflow: hidden; }
.jalur > div { background: var(--navy); padding: 24px; display: grid; gap: 8px; align-content: start; min-width: 0; }
.jalur h3 { font-size: 1.05rem; font-weight: 700; color: var(--sun); }
.jalur p { font-size: .92rem; color: color-mix(in srgb, var(--navy-ink) 82%, transparent); }
.spmb .cta { margin-top: 32px; }
.spmb .btn.ghost { color: var(--navy-ink); border-color: color-mix(in srgb, var(--navy-ink) 40%, transparent); }
@media (max-width: 860px) { .jalur { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .jalur { grid-template-columns: 1fr; } }

/* kontak */
.contact { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; align-items: start; }
.contact .head { margin: 0; }
.contact h2 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 900; }
.contact h2 span { color: var(--hl); }
.rows { display: grid; border-top: 2px solid var(--ink); }
.row { display: grid; grid-template-columns: 90px 1fr auto; gap: 12px; align-items: center; padding-block: 16px; border-bottom: 1px solid var(--line); }
.row .k { font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.row .v { font-weight: 700; min-width: 0; overflow-wrap: anywhere; text-decoration: none; }
.row a.v:hover { text-decoration: underline; }
.copy {
  font: inherit; font-size: .8rem; font-weight: 700; padding: 6px 12px; border-radius: 999px;
  border: 1.5px solid var(--line); background: transparent; color: var(--ink); cursor: pointer;
}
.copy:hover { border-color: var(--navy); }
@media (max-width: 760px) {
  .contact { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr auto; }
  .row .k { grid-column: 1 / -1; }
}

/* footer */
.footer { padding-block: 48px 28px; color: var(--muted); font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.footer h4 { margin: 0 0 12px; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--ink); }
.footer .brand p { margin-top: 12px; max-width: 40ch; }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .85rem; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer .brand { grid-column: 1 / -1; } }

/* 404 */
.notfound { min-height: 70vh; display: grid; place-items: center; text-align: center; padding-block: 64px; }
.notfound .numeral { font-size: clamp(7rem, 22vw, 14rem); }
.notfound p { color: var(--muted); margin: 16px auto 28px; max-width: 40ch; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- logo sekolah ---------- */
.badge-img { width: 40px; height: 40px; object-fit: contain; }
.emblem {
  position: relative; justify-self: center;
  width: min(100%, 400px); aspect-ratio: 1; max-width: 100%;
  display: grid; place-items: center;
}
.emblem::before {
  content: ""; position: absolute; inset: 4%;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--sun) 35%, transparent) 0%, transparent 68%);
}
.emblem img {
  position: relative; width: 82%; height: auto;
  filter: drop-shadow(0 18px 30px color-mix(in srgb, var(--navy) 35%, transparent));
  animation: rise .9s cubic-bezier(.2,.8,.2,1) both;
}
.emblem .sticker { right: 0; top: 0; }
@media (max-width: 820px) {
  .emblem { order: -1; width: min(70%, 300px); }
  .emblem .sticker { width: 76px; font-size: .6rem; right: -14%; top: -2%; }
  .emblem .sticker b { font-size: 1.4rem; }
}