/* ============================================================
   Tema "buku stiker": kertas biru langit, tinta biru laut dalam,
   aksen awan & samudra.
   ============================================================ */

:root {
  /* --- palet dasar biru langit --- */
  --tinta: #0e3554;          /* biru tua: teks, garis, bayangan stiker */
  --tinta-lembut: #4d7695;   /* teks sekunder */
  --kertas: #e2f1fc;         /* latar halaman: biru langit muda */
  --kapur: #ffffff;          /* kartu & panel */

  --langit: #8fd3f4;         /* aksen utama, teks gelap di atasnya */
  --samudra: #2a72b8;        /* aksen sedang, teks putih di atasnya */
  --nila: #3f5fc4;           /* aksen dalam: tautan, item aktif */

  /* Nama lama tetap dipakai supaya header.php dan halaman lain
     (.tombol--ceri, .label--matahari, dll.) tidak perlu diubah. */
  --matahari: var(--langit);
  --ceri: var(--samudra);

  --garis: 2px solid var(--tinta);
  --sudut: 18px;
  --stiker: 6px 6px 0 var(--tinta);
  --stiker-kecil: 4px 4px 0 var(--tinta);
  --lebar: 1120px;
  --display: "Baloo 2", "Trebuchet MS", sans-serif;
  --teks: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--teks);
  font-size: 17px;
  line-height: 1.65;
  color: var(--tinta);
  background-color: var(--kertas);
  background-image: radial-gradient(rgba(14, 53, 84, .09) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
}

img { max-width: 100%; display: block; }
a { color: var(--nila); }

h1, h2, h3, h4 {
  font-family: var(--display);
  line-height: 1.1;
  margin: 0 0 .5em;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2.3rem, 6vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0 0 1rem; }

.wadah { width: min(100% - 2.5rem, var(--lebar)); margin-inline: auto; }

.lewati {
  position: absolute; left: -9999px; top: 0;
  background: var(--tinta); color: #fff; padding: .6rem 1rem; z-index: 99;
}
.lewati:focus { left: 0; }

:focus-visible { outline: 3px solid var(--nila); outline-offset: 3px; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: var(--kapur);
  border-bottom: var(--garis);
}
.topbar__isi {
  display: flex; align-items: center; gap: 1rem;
  padding: .7rem 0; flex-wrap: wrap;
}
.merek { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: inherit; margin-right: auto; }
.merek__tanda { display: grid; place-items: center; }
.merek__teks strong { display: block; font-family: var(--display); font-size: 1.2rem; line-height: 1.1; }
.merek__teks small { color: var(--tinta-lembut); font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; }

.navigasi ul { display: flex; gap: .3rem; list-style: none; margin: 0; padding: 0; }
.navigasi a {
  display: block; padding: .45rem .85rem; border-radius: 999px;
  font-weight: 600; font-size: .95rem; color: var(--tinta); text-decoration: none;
  border: 2px solid transparent;
}
.navigasi a:hover { border-color: var(--tinta); }
.navigasi a.aktif { background: var(--langit); border-color: var(--tinta); box-shadow: var(--stiker-kecil); }

.tombol-menu {
  display: none; align-items: center; gap: .5rem;
  font: 600 .95rem var(--teks); color: var(--tinta);
  background: var(--kapur); border: var(--garis); border-radius: 999px;
  padding: .45rem .9rem; cursor: pointer;
}
.tombol-menu span {
  width: 18px; height: 2px; background: var(--tinta); position: relative; display: block;
}
.tombol-menu span::before, .tombol-menu span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--tinta);
}
.tombol-menu span::before { top: -5px; }
.tombol-menu span::after { top: 5px; }

@media (max-width: 860px) {
  .tombol-menu { display: inline-flex; }
  .navigasi { flex-basis: 100%; display: none; }
  .navigasi.terbuka { display: block; }
  .navigasi ul { flex-direction: column; padding: .5rem 0 .3rem; }
  .navigasi a { border-radius: 12px; }
}

/* ---------- Tombol ---------- */
.tombol {
  display: inline-block; font-family: var(--display); font-weight: 700; font-size: 1.05rem;
  text-decoration: none; color: var(--tinta); background: var(--langit);
  padding: .6rem 1.4rem; border: var(--garis); border-radius: 999px;
  box-shadow: var(--stiker-kecil); cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease;
}
.tombol:hover { transform: translate(-2px, -2px); box-shadow: var(--stiker); }
.tombol:active { transform: translate(2px, 2px); box-shadow: 0 0 0 var(--tinta); }
.tombol--putih { background: var(--kapur); }
.tombol--ceri { background: var(--samudra); color: #fff; }
.tombol--kecil { font-size: .95rem; padding: .4rem 1rem; }

/* ---------- Bagian ---------- */
.bagian { padding: 4rem 0; }
.bagian--putih { background: var(--kapur); border-block: var(--garis); }
.bagian__kepala { max-width: 46rem; margin-bottom: 2rem; }
.eyebrow {
  display: inline-block; font-weight: 700; font-size: .75rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--tinta-lembut); margin-bottom: .6rem;
}
.pengantar { color: var(--tinta-lembut); font-size: 1.05rem; max-width: 42rem; }

/* ---------- Hero ---------- */
.hero { padding: 3.5rem 0 4rem; }
.hero__isi { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center; }
.hero h1 { margin-bottom: 1rem; }
.hero__sorot { position: relative; white-space: nowrap; }
.hero__sorot svg { position: absolute; left: 0; bottom: -.18em; width: 100%; height: .35em; overflow: visible; }
.hero__aksi { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }

.kartu-kelas { display: grid; gap: 1rem; }
.kelas-item {
  background: var(--kapur); border: var(--garis); border-radius: var(--sudut);
  box-shadow: var(--stiker); padding: 1.1rem 1.3rem;
  display: flex; align-items: center; gap: 1rem;
}
.kelas-item:nth-child(1) { transform: rotate(-1.4deg); }
.kelas-item:nth-child(2) { transform: rotate(.9deg); }
.kelas-item:nth-child(3) { transform: rotate(-.6deg); }
.kelas-item__kata {
  font-family: var(--display); font-weight: 800; font-size: 1.6rem;
  padding: .25rem .8rem; border: var(--garis); border-radius: 999px; white-space: nowrap;
}
.kelas-item:nth-child(1) .kelas-item__kata { background: var(--langit); }
.kelas-item:nth-child(2) .kelas-item__kata { background: var(--samudra); color: #fff; }
.kelas-item:nth-child(3) .kelas-item__kata { background: var(--nila); color: #fff; }
.kelas-item__nama { font-weight: 700; }
.kelas-item__ket { font-size: .88rem; color: var(--tinta-lembut); }

@media (max-width: 860px) {
  .hero__isi { grid-template-columns: 1fr; gap: 2.2rem; }
}

/* ---------- Angka ringkas ---------- */
.angka { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.angka__item { text-align: center; padding: 1rem .5rem; }
.angka__nilai { font-family: var(--display); font-size: 2.4rem; font-weight: 800; line-height: 1; }
.angka__label { font-size: .85rem; color: var(--tinta-lembut); text-transform: uppercase; letter-spacing: .08em; }
@media (max-width: 620px) { .angka { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Kisi kartu ---------- */
.kisi { display: grid; gap: 1.4rem; }
.kisi--2 { grid-template-columns: repeat(2, 1fr); }
.kisi--3 { grid-template-columns: repeat(3, 1fr); }
.kisi--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .kisi--3, .kisi--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .kisi--2, .kisi--3, .kisi--4 { grid-template-columns: 1fr; } }

.kartu {
  background: var(--kapur); border: var(--garis); border-radius: var(--sudut);
  padding: 1.4rem; box-shadow: var(--stiker-kecil);
  transition: transform .14s ease, box-shadow .14s ease;
}
.kartu:hover { transform: translate(-3px, -3px); box-shadow: var(--stiker); }
.kartu h3 { margin-bottom: .4rem; }
.kartu p { margin: 0; color: var(--tinta-lembut); font-size: .96rem; }
.kartu__nomor {
  font-family: var(--display); font-weight: 800; font-size: 1.1rem;
  width: 2.2rem; height: 2.2rem; display: grid; place-items: center;
  border: var(--garis); border-radius: 50%; margin-bottom: .8rem; background: var(--kertas);
}

.label {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; padding: .2rem .6rem; border: var(--garis); border-radius: 999px;
  background: var(--kertas);
}
.label--matahari { background: var(--langit); }
.label--ceri { background: var(--samudra); color: #fff; }
.label--nila { background: var(--nila); color: #fff; }

/* ---------- Galeri ---------- */
.saring { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 2rem; }
.saring a {
  font-weight: 600; font-size: .92rem; text-decoration: none; color: var(--tinta);
  padding: .35rem .9rem; border: var(--garis); border-radius: 999px; background: var(--kapur);
}
.saring a.aktif { background: var(--nila); color: #fff; box-shadow: var(--stiker-kecil); }

.foto {
  position: relative; background: var(--kapur); border: var(--garis); border-radius: 6px;
  padding: .7rem .7rem 1rem; box-shadow: var(--stiker-kecil);
  transition: transform .16s ease, box-shadow .16s ease;
}
.foto:nth-child(odd) { transform: rotate(-1deg); }
.foto:nth-child(even) { transform: rotate(1.1deg); }
.foto:hover { transform: rotate(0) translateY(-4px); box-shadow: var(--stiker); }
.foto::before {                       /* selotip washi */
  content: ""; position: absolute; top: -12px; left: 50%; translate: -50% 0;
  width: 74px; height: 22px; background: rgba(143, 211, 244, .9);
  border: 1.5px solid rgba(14, 53, 84, .35); rotate: -2deg;
}
.foto img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 1.5px solid var(--tinta); border-radius: 3px; }
.foto__judul { font-family: var(--display); font-weight: 700; font-size: 1.05rem; margin: .7rem 0 .1rem; }
.foto__meta { font-size: .82rem; color: var(--tinta-lembut); }
.foto__tautan { position: absolute; inset: 0; }

/* ---------- Berita ---------- */
.berita { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.berita img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-bottom: var(--garis); }
.berita__isi { padding: 1.2rem 1.3rem 1.4rem; display: flex; flex-direction: column; gap: .5rem; height: 100%; }
.berita__tanggal { font-size: .82rem; color: var(--tinta-lembut); }
.berita__judul { font-size: 1.2rem; margin: 0; }
.berita__judul a { color: inherit; text-decoration: none; }
.berita__judul a:hover { text-decoration: underline; }

.artikel { max-width: 46rem; }
.artikel__badan { font-size: 1.05rem; }
.artikel__badan p:first-of-type { font-size: 1.15rem; }
.artikel img { border: var(--garis); border-radius: var(--sudut); margin-bottom: 1.5rem; }

/* ---------- Daftar & tabel ---------- */
.daftar-polos { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.daftar-polos li { display: flex; gap: .7rem; align-items: flex-start; }
.daftar-polos li::before {
  content: ""; flex: none; width: 10px; height: 10px; margin-top: .5rem;
  background: var(--langit); border: 1.5px solid var(--tinta); border-radius: 3px;
}

.rencana { display: grid; gap: .5rem; }
.rencana__baris {
  display: flex; gap: 1rem; align-items: baseline; justify-content: space-between;
  padding: .6rem 0; border-bottom: 1.5px dashed rgba(14, 53, 84, .25);
}
.rencana__baris:last-child { border-bottom: 0; }

/* ---------- Formulir ---------- */
.formulir { display: grid; gap: 1rem; }
.bidang { display: grid; gap: .35rem; }
.bidang label { font-weight: 600; font-size: .92rem; }
.bidang input, .bidang textarea, .bidang select {
  font: inherit; font-size: 1rem; color: var(--tinta);
  padding: .7rem .9rem; border: var(--garis); border-radius: 12px; background: var(--kapur);
  width: 100%;
}
.bidang textarea { min-height: 8rem; resize: vertical; }
.jebakan { position: absolute; left: -9999px; }

.pesan {
  border: var(--garis); border-radius: var(--sudut); padding: 1rem 1.2rem; margin-bottom: 1.5rem;
  box-shadow: var(--stiker-kecil); background: var(--kapur);
}
.pesan--sukses { background: #cdeef0; }   /* biru kehijauan: berhasil */
.pesan--gagal { background: #fde2e2; }    /* tetap merah muda: gagal */
.pesan ul { margin: .4rem 0 0; padding-left: 1.1rem; }

/* ---------- Kosong & paginasi ---------- */
.kosong {
  border: 2px dashed rgba(14, 53, 84, .35); border-radius: var(--sudut);
  padding: 2.5rem 1.5rem; text-align: center; color: var(--tinta-lembut);
}
.paginasi { display: flex; gap: .4rem; justify-content: center; margin-top: 2.5rem; flex-wrap: wrap; }
.paginasi a, .paginasi span {
  min-width: 2.5rem; text-align: center; padding: .35rem .7rem; font-weight: 600;
  border: var(--garis); border-radius: 10px; background: var(--kapur);
  color: var(--tinta); text-decoration: none;
}
.paginasi .aktif { background: var(--nila); color: #fff; }

/* ---------- Pita ajakan ---------- */
.pita {
  background: var(--nila); color: #fff; border: var(--garis); border-radius: var(--sudut);
  box-shadow: var(--stiker); padding: 2.2rem; display: flex; gap: 1.5rem;
  align-items: center; justify-content: space-between; flex-wrap: wrap;
}
.pita h2 { color: #fff; margin: 0; }
.pita p { margin: .3rem 0 0; opacity: .9; }

/* ---------- Kaki ---------- */
.kaki { background: var(--tinta); color: #d7e8f5; margin-top: 4rem; padding: 3rem 0 1.5rem; }
.kaki a { color: #fff; }
.kaki__isi { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.kaki__nama { font-family: var(--display); font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: .4rem; }
.kaki__judul { font-family: var(--display); font-weight: 700; color: var(--langit); margin-bottom: .4rem; }
.kaki__baris { font-size: .95rem; margin: 0 0 .4rem; }
.kaki__tautan { list-style: none; margin: 0; padding: 0; display: grid; gap: .25rem; font-size: .95rem; }
.kaki .tombol { color: var(--tinta); margin-top: .6rem; }
.kaki__hakcipta {
  border-top: 1px solid rgba(255, 255, 255, .2); margin: 2.5rem 0 0;
  padding-top: 1.2rem; text-align: center; font-size: .85rem; opacity: .75;
}
@media (max-width: 780px) { .kaki__isi { grid-template-columns: 1fr; } }

/* ---------- Slider kegiatan ---------- */
.slider { position: relative; }

/* Jalur geser. scroll-snap agar di ponsel bisa digeser dengan jari. */
.slider__jalur {
  position: relative;
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  background: var(--kapur);
  border: var(--garis);
  border-radius: var(--sudut);
  box-shadow: var(--stiker);
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.slider__jalur::-webkit-scrollbar { display: none; }

.slider__item {
  position: relative;
  flex: 0 0 100%;
  scroll-snap-align: start;
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--kertas);
}
@supports not (aspect-ratio: 16 / 9) {
  .slider__item { height: 30vw; min-height: 260px; }
}

.slider__item img { width: 100%; height: 100%; object-fit: cover; }

.slider__teks {
  position: absolute;
  inset: auto 0 0 0;
  padding: 2.4rem 1.8rem 1.5rem;
  color: #fff;
  background: linear-gradient(to top, rgba(14, 53, 84, .92), rgba(14, 53, 84, .55) 55%, transparent);
}
.slider__teks h3 {
  margin: 0 0 .3rem;
  font-size: clamp(1.15rem, 2.4vw, 1.7rem);
  color: #fff;
}
.slider__teks p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.55;
  max-width: 60ch;
  color: rgba(255, 255, 255, .92);
}
.slider__tautan { position: absolute; inset: 0; z-index: 1; }

.slider__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 2.8rem;
  height: 2.8rem;
  font: 700 1.5rem/1 var(--display);
  color: var(--tinta);
  background: var(--langit);
  border: var(--garis);
  border-radius: 50%;
  box-shadow: var(--stiker-kecil);
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease;
}
.slider__nav--kiri  { left: 1rem;  transform: translateY(-50%); }
.slider__nav--kanan { right: 1rem; transform: translateY(-50%); }
.slider__nav--kiri:hover,
.slider__nav--kanan:hover {
  transform: translate(-2px, calc(-50% - 2px));
  box-shadow: var(--stiker);
}

.slider__titik { display: flex; justify-content: center; gap: .5rem; margin-top: 1.2rem; }
.slider__titik button {
  width: 14px;
  height: 14px;
  padding: 0;
  background: var(--kapur);
  border: 2px solid var(--tinta);
  border-radius: 4px;
  cursor: pointer;
  transition: width .16s ease, background-color .16s ease;
}
.slider__titik button[aria-current="true"] { width: 32px; background: var(--nila); }

@media (max-width: 640px) {
  .slider__item { aspect-ratio: 4 / 3; }
  .slider__teks { padding: 1.8rem 1.1rem 1.1rem; }
  .slider__teks p { font-size: .86rem; }
  .slider__nav { width: 2.3rem; height: 2.3rem; font-size: 1.2rem; }
  .slider__nav--kiri  { left: .6rem; }
  .slider__nav--kanan { right: .6rem; }
}

/* ---------- Animasi ---------- */
.muncul { animation: naik .5s ease both; }
.muncul--2 { animation-delay: .08s; }
@keyframes naik { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .kartu:hover, .tombol:hover, .foto:hover { transform: none; }
  .slider__jalur { scroll-behavior: auto; }
  .slider__nav--kiri:hover  { transform: translateY(-50%); }
  .slider__nav--kanan:hover { transform: translateY(-50%); }
}

/* ---------- Pratinjau foto (dibuat oleh situs.js) ---------- */
.pratinjau {
  position: fixed; inset: 0; z-index: 60; display: grid; place-items: center;
  background: rgba(14, 53, 84, .88); padding: 1.5rem;
}
.pratinjau[hidden] { display: none; }
.pratinjau figure { margin: 0; max-width: min(900px, 100%); }
.pratinjau img {
  width: 100%; max-height: 78vh; object-fit: contain;
  background: var(--kapur); border: var(--garis); border-radius: 10px; padding: .5rem;
}
.pratinjau figcaption {
  color: #fff; text-align: center; margin-top: .8rem; font-family: var(--display); font-size: 1.1rem;
}
.pratinjau__tutup {
  position: absolute; top: 1rem; right: 1rem; width: 2.6rem; height: 2.6rem;
  font-size: 1.6rem; line-height: 1; color: var(--tinta); background: var(--langit);
  border: var(--garis); border-radius: 50%; cursor: pointer;
}