/* Tampilan halaman murid (Simulasi TKA Bimbel Rumba).
   Warna resmi Rumba: lihat docs/keputusan.md (Tahap 2).
   Huruf Plus Jakarta Sans disimpan di static/vendor (lisensi OFL), tidak memakai CDN. */

@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("../vendor/plus-jakarta-sans-5.3.0/plus-jakarta-sans-latin-wght-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: italic;
  font-weight: 200 800;
  font-display: swap;
  src: url("../vendor/plus-jakarta-sans-5.3.0/plus-jakarta-sans-latin-wght-italic.woff2") format("woff2");
}

:root {
  --hijau: #09601B;        /* hijau gelap: kepala, tombol utama */
  --hijau-terang: #288F3D; /* aksen, hover */
  --hijau-muda: #E6F2E8;
  --kuning: #EDCA0D;
  --kuning-muda: #F9E788;
  --merah: #780909;
  --merah-terang: #E31E1E;
  --latar: #F4F7F1;
  --kartu: #FFFFFF;
  --teks: #1B2A1E;
  --teks-2: #3E4E41;
  --teks-3: #4F5F52;
  --garis: #D5DED6;
  --garis-muda: #E1E8E2;
  --radius: 16px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--teks);
  background: var(--latar);
  line-height: 1.5;
}
a { color: var(--hijau); }
a:hover { color: var(--hijau-terang); }
:focus-visible { outline: 3px solid var(--kuning); outline-offset: 2px; }

/* ---------- kepala & kaki ---------- */
.kepala {
  position: sticky; top: 0; z-index: 20;   /* kepala tetap terlihat saat halaman digulir */
  box-shadow: 0 2px 10px rgba(0, 0, 0, .12);
  background: var(--hijau);
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
}
.merek { display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; }
.merek:hover { color: #fff; }
.ubin-logo {
  width: 44px; height: 44px; flex: none;
  background: #fff; border: 2px solid var(--kuning); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.ubin-logo img { width: 36px; height: 36px; object-fit: contain; }
.merek-teks { display: flex; flex-direction: column; line-height: 1.2; }
.merek-teks strong { font-size: 16px; font-weight: 800; }
.merek-teks span { font-size: 13px; color: var(--kuning-muda); }
.kepala-kanan { margin-left: auto; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.kepala-nama { font-size: 14px; color: #D7E8DA; }
.tombol-keluar {
  background: none; border: 0; padding: 6px 0; color: #fff; font: inherit; font-size: 14px;
  font-weight: 600; text-decoration: underline; cursor: pointer;
}
.kaki { margin-top: auto; padding: 20px 24px; text-align: center; font-size: 13px; color: var(--teks-3); }
.kaki a { color: var(--hijau); font-weight: 600; }

/* ---------- tata letak isi ---------- */
.isi { width: 100%; max-width: 860px; margin: 0 auto; padding: 32px 16px; }
.isi-tengah { flex: 1 0 auto; display: flex; align-items: center; justify-content: center; padding: 32px 16px; }
.kartu {
  background: var(--kartu); border-radius: 18px; padding: 32px;
  width: 620px; max-width: 100%;
  display: flex; flex-direction: column; gap: 20px;
  border-top: 6px solid var(--hijau);
}
.kartu-sempit { width: 440px; }
.kartu-kuning { border-top-color: var(--kuning); }
.label-langkah { font-size: 13px; font-weight: 700; letter-spacing: .05em; color: var(--teks-3); text-transform: uppercase; }
h1 { margin: 6px 0 0; font-size: 26px; font-weight: 800; color: var(--hijau); line-height: 1.25; }
.sub { margin: 6px 0 0; font-size: 15px; color: var(--teks-2); }

/* ---------- tombol ---------- */
.tombol {
  min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 0 24px; border-radius: 12px; border: 2px solid var(--hijau);
  font: inherit; font-weight: 700; font-size: 16px; text-decoration: none; cursor: pointer;
}
.tombol-utama { background: var(--hijau); color: #fff; }
.tombol-utama:hover { background: var(--hijau-terang); border-color: var(--hijau-terang); color: #fff; }
.tombol-kedua { background: #fff; color: var(--hijau); }
.tombol-kedua:hover { background: var(--hijau-muda); color: var(--hijau); }
.tombol-besar { min-height: 56px; font-size: 18px; padding: 0 32px; }
.baris-tombol { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.baris-tombol form { margin: 0; }

/* ---------- form ---------- */
.medan { display: flex; flex-direction: column; gap: 8px; font-size: 15px; font-weight: 700; }
.medan input {
  min-height: 52px; border: 2px solid #B9C6BB; border-radius: 10px; padding: 0 16px;
  font: inherit; font-size: 18px; font-weight: 500; color: var(--teks); background: #fff; width: 100%;
}
.medan input:focus { border-color: var(--hijau-terang); outline: none; box-shadow: 0 0 0 3px var(--kuning-muda); }
.medan .bantuan { font-size: 13px; font-weight: 500; color: var(--teks-3); }
.isian-token { font-size: 22px !important; letter-spacing: .25em; text-transform: uppercase; }
.galat { margin: 0; padding: 0; list-style: none; color: var(--merah); font-size: 14px; font-weight: 600; }
.kotak-galat {
  background: #FDECEC; border: 1px solid #F2B8B8; color: var(--merah);
  border-radius: 10px; padding: 12px 14px; font-size: 15px; font-weight: 600;
}

/* ---------- pesan ---------- */
.pesan { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.pesan li { background: var(--kuning-muda); color: #4A3B00; border-radius: 10px; padding: 12px 16px; font-weight: 600; }
.pesan li.error { background: #FDECEC; color: var(--merah); }

/* ---------- halaman depan ---------- */
.halaman-depan { flex: 1 0 auto; width: 100%; display: flex; flex-direction: column; }

/* Hero: foto + lapisan hijau Rumba. Lapisan pekat di kiri (tempat teks), lebih tipis di kanan. */
.hero {
  position: relative; color: #fff;
  background-color: var(--hijau);
  background-image:
    linear-gradient(100deg, rgba(9, 96, 27, .90) 0%, rgba(9, 96, 27, .72) 50%, rgba(9, 96, 27, .40) 100%),
    url("hero-simulasi.jpg");
  background-size: cover; background-position: center 40%;
}
/* Parallax hanya di layar lebar dengan mouse. Di HP/tablet (terutama iPhone)
   background-attachment: fixed sering patah-patah, jadi di sana foto diam. */
@media (min-width: 900px) and (hover: hover) and (prefers-reduced-motion: no-preference) {
  .hero { background-attachment: fixed, fixed; }
}
.hero-isi {
  width: 100%; max-width: 1040px; margin: 0 auto; padding: clamp(56px, 10vw, 112px) 16px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 20px;
}
.hero-isi .pesan { width: 100%; max-width: 40em; }
.hero h1 {
  margin: 0; color: #fff; font-size: clamp(30px, 5.4vw, 52px); line-height: 1.15;
  letter-spacing: -.01em; max-width: 18em; text-shadow: 0 2px 12px rgba(0, 0, 0, .25);
}
.tombol-kuning { background: var(--kuning); border-color: var(--kuning); color: #1F1A00; margin-top: 8px; }
.tombol-kuning:hover { background: var(--kuning-muda); border-color: var(--kuning-muda); color: #1F1A00; }
.tombol-kepala { min-height: 40px; padding: 0 18px; font-size: 14px; text-transform: uppercase; letter-spacing: .03em; margin: 0; }

/* Keterangan di bawah hero: rata tengah. */
.keterangan {
  width: 100%; max-width: 760px; margin: 0 auto; padding: 40px 16px 8px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.keterangan p { margin: 0; font-size: clamp(17px, 2.1vw, 20px); color: var(--teks-2); }
.keterangan .keterangan-utama { font-size: clamp(22px, 3vw, 28px); font-weight: 800; color: var(--hijau); }
.ajak-daftar { margin-top: 4px !important; font-size: 16px !important; }
.ajak-daftar a { font-weight: 700; }

/* Tiga kartu keunggulan: sedikit menumpang ke bawah hero. */
.ciri { width: 100%; max-width: 1040px; margin: 32px auto 0; padding: 0 16px; }
.daftar-ciri {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px;
}
.daftar-ciri li {
  background: #fff; border-radius: var(--radius); padding: 22px; border: 1px solid var(--garis-muda);
  box-shadow: 0 8px 24px rgba(9, 96, 27, .08);
  display: flex; flex-direction: column; gap: 6px;
}
.ikon-ciri {
  width: 52px; height: 52px; border-radius: 14px; margin: 0 auto 8px;
  background: #FDECEC; color: var(--merah-terang);
  display: flex; align-items: center; justify-content: center;
}
.ikon-ciri svg { width: 26px; height: 26px; }
.daftar-ciri strong { color: var(--hijau); font-size: 17px; }
.daftar-ciri span:not(.ikon-ciri) { font-size: 15px; color: var(--teks-2); }

/* Ajakan ke program Rumba. */
.ajakan { width: 100%; max-width: 1040px; margin: 40px auto 24px; padding: 0 16px; }
.ajakan-isi {
  background: #FEF9E1; border-radius: 20px; padding: 28px 32px;
  border-left: 8px solid var(--kuning);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px;
}
.ajakan h2 { margin: 0; font-size: clamp(22px, 3vw, 28px); font-weight: 800; color: var(--merah-terang); }
.ajakan p { margin: 4px 0 0; font-size: 17px; color: #4A3B00; }
.ikon-wa { width: 22px; height: 22px; }

@media (max-width: 560px) {
  .hero { background-image:
    linear-gradient(rgba(9, 96, 27, .86), rgba(9, 96, 27, .86)), url("hero-simulasi.jpg"); }
  .hero-isi .tombol-besar { width: 100%; }
  .tombol-kepala { min-height: 36px; padding: 0 12px; font-size: 13px; }
  .ajakan-isi { padding: 24px 20px; }
  .ajakan-isi .tombol { width: 100%; }
}

/* ---------- beranda: kartu sesi ---------- */
.judul-beranda { margin: 0; font-size: 28px; }
.kelompok { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.kelompok h2 { margin: 0; font-size: 15px; font-weight: 800; letter-spacing: .04em; color: var(--teks-3); text-transform: uppercase; }
.kartu-sesi {
  background: #fff; border: 2px solid var(--garis); border-radius: var(--radius); padding: 20px 22px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px;
}
.kartu-sesi.aktif { border-color: var(--hijau); }
.kartu-sesi .info { flex: 1 1 320px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.kartu-sesi h3 { margin: 0; font-size: 19px; font-weight: 800; }
.kartu-sesi .rinci { display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 14px; color: var(--teks-2); }
.lencana {
  align-self: flex-start; font-size: 12px; font-weight: 700; letter-spacing: .03em;
  padding: 4px 10px; border-radius: 999px; text-transform: uppercase;
}
.lencana-dibuka { background: var(--hijau-terang); color: #fff; }
.lencana-berlangsung { background: var(--kuning); color: #2E2500; }
.lencana-belum { background: var(--kuning-muda); color: #4A3B00; }
.lencana-selesai, .lencana-ditutup { background: #E7ECE7; color: var(--teks-2); }
.nilai-kecil { font-size: 22px; font-weight: 800; color: var(--hijau); font-variant-numeric: tabular-nums; }
.nilai-kecil small { font-size: 13px; font-weight: 600; color: var(--teks-3); }
.kosong { background: #fff; border-radius: var(--radius); padding: 28px; text-align: center; color: var(--teks-2); }

/* ---------- tabel data & ringkasan ---------- */
.tabel-data {
  margin: 0; display: grid; grid-template-columns: auto 1fr; font-size: 16px;
  border: 1px solid var(--garis-muda); border-radius: 12px; overflow: hidden;
}
.tabel-data dt, .tabel-data dd { padding: 12px 16px; border-top: 1px solid var(--garis-muda); }
.tabel-data dt { color: var(--teks-3); background: var(--latar); }
.tabel-data dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
.tabel-data dt:first-of-type, .tabel-data dd:first-of-type { border-top: 0; }
.ringkasan { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.ringkasan div { background: var(--latar); border-radius: 12px; padding: 14px 16px; }
.ringkasan dt { font-size: 13px; color: var(--teks-3); }
.ringkasan dd { margin: 4px 0 0; font-size: 18px; font-weight: 800; }
.aturan { margin: 0; padding-left: 20px; font-size: 15px; line-height: 1.7; color: var(--teks-2); }

@media (max-width: 560px) {
  .kepala { padding: 10px 16px; }
  .kartu { padding: 24px 20px; }
  .tabel-data { grid-template-columns: 1fr; }
  .tabel-data dd { border-top: 0; padding-top: 0; }
  .baris-tombol { flex-direction: column-reverse; }
  .baris-tombol .tombol, .baris-tombol form, .baris-tombol form .tombol { width: 100%; }
}