/* Portal tkapro.id (S-760, D-108). Desain sendiri; templat Canva berbayar
   hanya acuan suasana dan urutan bagian, tidak direplikasi (D-183, K-92).
   Tanpa font, skrip, atau gambar dari pihak ketiga: halaman ini dibuka anak
   (PP 17/2025), jadi tidak ada satu permintaan pun ke peladen lain. */

:root {
  /* Warna diambil dari ikon TKA Pro (bahan/icon.png): merah, krem, biru tua, koral, mustard. */
  --ink: #1b1f2c;
  --ink-2: #252a3a;
  --ink-line: #363c50;
  --paper: #faf6ec;
  --paper-card: #fffdf7;
  --paper-line: #e3dbc9;
  --on-ink: #faf6ec;
  --on-ink-muted: #bcbfcc;
  --on-paper: #1b1f2c;
  --on-paper-muted: #5a5f6e;
  --red: #b91106;
  --accent: #e1b75a;
  --grad: linear-gradient(125deg, #b91106 0%, #e0855a 62%, #e1b75a 100%);
  --radius: 22px;
  --wrap: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--ink);
  color: var(--on-ink);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 10px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.ink { background: var(--ink); color: var(--on-ink); }
.paper { background: var(--paper); color: var(--on-paper); }
.block { padding: 96px 0; }

/* --- Kepala --------------------------------------------------------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: var(--wrap); margin: 0 auto; padding: 22px 24px;
}
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 900; font-size: 21px; letter-spacing: .04em; text-decoration: none; white-space: nowrap;
}
.logo img { width: 40px; height: 40px; }
.logo-text span { color: var(--accent); }
.nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--on-ink-muted); white-space: nowrap; }
.nav a:hover { color: var(--on-ink); }

/* --- Tombol --------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: 999px; font-weight: 800; font-size: 16px;
  text-decoration: none; letter-spacing: .01em; white-space: nowrap; transition: background .15s ease, color .15s ease;
}
.btn-outline { border: 2px solid var(--accent); color: var(--accent); }
.btn-outline:hover { background: var(--accent); color: var(--ink); }
.btn-solid { background: var(--accent); color: var(--ink); border: 2px solid var(--accent); }
.btn-solid:hover { background: transparent; color: var(--accent); }
.btn-small { padding: 9px 16px; font-size: 14px; }
.nav .btn-outline { color: var(--accent); }
.nav .btn-outline:hover { color: var(--ink); }
.link-arrow {
  font-weight: 800; text-decoration: none; border-bottom: 2px solid currentColor; padding-bottom: 2px;
}

/* --- Pembuka -------------------------------------------------------- */
.hero {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center;
  max-width: var(--wrap); margin: 0 auto; padding: 48px 24px 112px;
}
.eyebrow {
  margin: 0 0 18px; font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
}
h1 {
  margin: 0 0 22px; font-size: clamp(40px, 5.2vw, 60px); line-height: 1.04; letter-spacing: -.03em;
  font-weight: 900;
}
.lead { margin: 0 0 34px; max-width: 36ch; font-size: clamp(17px, 1.7vw, 20px); color: var(--on-ink-muted); }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 28px; }

.hero-art { position: relative; aspect-ratio: 5 / 4; }
.hero-art .glow {
  position: absolute; inset: 9% 5% 7% 9%; border-radius: 40px; background: var(--grad); transform: rotate(-3deg);
}
.photo {
  position: absolute; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 22px;
  border: 6px solid var(--paper); box-shadow: 0 26px 60px rgba(0, 0, 0, .45);
}
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo.main { left: 15%; top: 15%; width: 70%; z-index: 2; }
.photo.left { left: 0; bottom: 0; width: 38%; z-index: 3; transform: rotate(-7deg); }
.photo.right { right: 0; top: 0; width: 36%; z-index: 3; transform: rotate(6deg); }

/* --- Jenjang -------------------------------------------------------- */
h2 {
  margin: 0 0 12px; font-size: clamp(30px, 4vw, 48px); line-height: 1.08; letter-spacing: -.02em; font-weight: 900;
}
.sub { margin: 0 0 40px; font-size: 18px; color: var(--on-paper-muted); }
.stages { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 20px; }
.stage {
  display: flex; flex-direction: column; gap: 10px; padding: 28px;
  border: 1.5px solid var(--paper-line); border-radius: var(--radius); background: var(--paper-card);
}
.stage h3 { margin: 4px 0 0; font-size: 30px; letter-spacing: -.01em; line-height: 1.15; }
.stage p { margin: 0; }
.stage.open { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.stage.open .note { font-size: 14px; color: var(--on-ink-muted); }
.stage.open .btn { margin-top: 14px; align-self: flex-start; }
.stage.soon p { color: var(--on-paper-muted); }
.badge {
  align-self: flex-start; padding: 5px 12px; border: 1.5px solid currentColor; border-radius: 999px;
  font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--on-paper-muted);
}
.stage.open .badge { color: var(--accent); }
.stage-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.stage-head img { width: 56px; height: 56px; }

/* --- Isi aplikasi --------------------------------------------------- */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 44px 0 48px; }
.feat { padding: 30px 28px; border: 1.5px solid var(--ink-line); border-radius: var(--radius); background: var(--ink-2); }
.ico {
  display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 18px;
  border-radius: 16px; background: var(--red);
}
.ico svg { width: 28px; height: 28px; fill: none; stroke: var(--paper); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.feat h3 { margin: 0 0 8px; font-size: 22px; }
.feat p { margin: 0; color: var(--on-ink-muted); }
.center { text-align: center; }

/* --- Cara soal dibuat ----------------------------------------------- */
.how { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }
.how-art { position: relative; margin-top: 36px; }
.how-art::before {
  content: ""; position: absolute; inset: 14% -5% -8% 12%; border-radius: 999px; background: var(--grad);
}
.how-art .photo { position: relative; width: 100%; }
.rows .row { padding: 24px 0; border-bottom: 1.5px solid var(--paper-line); }
.rows .row:first-child { padding-top: 6px; }
.row h3 { margin: 0 0 6px; font-size: 22px; line-height: 1.25; }
.row p { margin: 0; color: var(--on-paper-muted); }
.rows .link-arrow { display: inline-block; margin-top: 28px; }

/* --- Pita pernyataan (D-111) ---------------------------------------- */
.band { padding: 76px 0; background: var(--red); color: var(--on-ink); }
.band p {
  margin: 0; max-width: 32ch; font-size: clamp(23px, 2.7vw, 34px); font-weight: 900; line-height: 1.25; letter-spacing: -.01em;
}

/* --- Kaki ----------------------------------------------------------- */
.foot { padding: 92px 0 40px; }
.foot-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; }
.foot-grid p { margin: 0 0 30px; font-size: 18px; color: var(--on-ink-muted); }
.foot-art .photo { position: relative; width: 100%; transform: rotate(3deg); }
.foot-meta {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px;
  margin-top: 72px; padding-top: 24px; border-top: 1.5px solid var(--ink-line);
  font-size: 14px; color: var(--on-ink-muted);
}
.foot-meta p { margin: 0; }
.foot-meta a { color: var(--on-ink); }
.foot-claim { flex-basis: 100%; }
.company { display: flex; align-items: center; gap: 14px; flex-basis: 100%; }
.company-logo { display: inline-flex; padding: 6px 10px; border-radius: 12px; background: #fff; }
.company-logo img { width: 48px; height: 36px; }
.company p { color: var(--on-ink); }
.foot.slim { padding: 32px 0 36px; }
.foot.slim .foot-meta { margin-top: 0; padding-top: 0; border-top: 0; }

/* --- Halaman standar soal ------------------------------------------- */
.doc { max-width: 760px; margin: 0 auto; padding: 64px 24px 96px; }
.doc h1 { font-size: clamp(36px, 5vw, 58px); }
.doc .lead { color: var(--on-paper-muted); max-width: none; }
.doc h2 { margin: 52px 0 12px; font-size: 27px; letter-spacing: -.01em; }
.doc p, .doc li { font-size: 17px; color: #2a2731; }
.doc ol { padding-left: 24px; }
.doc li { margin: 10px 0; }
.callout {
  margin: 44px 0 0; padding: 26px 28px; border-radius: var(--radius); background: var(--red);
  color: var(--on-ink); font-size: 20px; font-weight: 900; line-height: 1.35;
}

/* --- Halaman jenjang yang belum dibuka (S-764) ---------------------- */
.soon-page { max-width: 760px; margin: 0 auto; padding: 72px 24px 112px; }
.soon-page .lead { max-width: 40ch; }

/* --- Layar sempit --------------------------------------------------- */
@media (max-width: 880px) {
  .block { padding: 72px 0; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 24px 24px 80px; }
  .hero-art { max-width: 520px; width: 100%; justify-self: center; }
  .stages, .grid3, .how, .foot-grid { grid-template-columns: 1fr; }
  .how { gap: 32px; }
  .how-art { max-width: 460px; margin-top: 8px; }
  .foot-art { max-width: 420px; }
}
@media (max-width: 560px) {
  .nav .wide { display: none; }
  .logo-text { display: none; }
  .nav { gap: 14px; }
  .stage h3 { font-size: 26px; }
  .photo { border-width: 4px; border-radius: 16px; }
}