/* Ruang Riset — halaman depan publik.

   Latar gelap kehijauan, aksen keemasan, dan kaca buram pada kartu. Warnanya
   masih palet Melayu yang sama dengan bagian dalam sistem, hanya dibalik:
   hijau menjadi latar, emas menjadi cahaya. */

:root {
  --malam: #07130f;
  --malam-2: #0b1c17;
  --hijau: #0e3b33;
  --hijau-muda: #17594d;
  --hijau-terang: #3fb499;
  --emas: #c0912f;
  --emas-terang: #e8c979;
  --kabut: #cfe3dc;
  --redup: #8ba79f;
  --garis: rgba(232, 201, 121, .16);
  --kaca: rgba(255, 255, 255, .035);
  --lengkung: 16px;
  --alih: 220ms cubic-bezier(.4, 0, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--malam);
  background-image:
    radial-gradient(900px 620px at 82% -12%, rgba(23, 89, 77, .55), transparent 62%),
    radial-gradient(760px 520px at 6% 8%, rgba(192, 145, 47, .16), transparent 58%),
    radial-gradient(1000px 700px at 50% 108%, rgba(14, 59, 51, .5), transparent 64%);
  background-attachment: fixed;
  color: var(--kabut);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: Amiri, Georgia, serif; font-weight: 400; line-height: 1.15; margin: 0; }
p { margin: 0 0 1rem; }
a { color: inherit; text-decoration: none; }

/* ---------- bilah atas ---------- */

.atas {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 1.6rem;
  padding: .85rem clamp(1rem, 4vw, 3.5rem);
  background: rgba(7, 19, 15, .72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--garis);
}
.logo { display: flex; align-items: center; gap: .6rem; }
.logo svg { width: 28px; height: 28px; }
.logo b { font-family: Amiri, Georgia, serif; font-weight: 400; font-size: 1.3rem; color: #fff; }

.menu-atas { display: flex; gap: 1.6rem; margin-left: auto; font-size: .93rem; }
.menu-atas a { color: var(--redup); transition: color var(--alih); }
.menu-atas a:hover { color: var(--emas-terang); }

.beralih { display: none; background: none; border: 0; cursor: pointer; padding: .4rem; }
.beralih span { display: block; width: 22px; height: 2px; background: var(--kabut); margin: 4px 0; border-radius: 2px; }

/* ---------- tombol ---------- */

.tombol {
  display: inline-block;
  padding: .62rem 1.3rem;
  border-radius: 999px;
  font-size: .93rem; font-weight: 600;
  transition: transform var(--alih), box-shadow var(--alih), filter var(--alih);
}
.tombol.utama {
  background: linear-gradient(120deg, var(--emas) 0%, var(--emas-terang) 45%, var(--hijau-terang) 100%);
  color: #08211b;
  box-shadow: 0 6px 22px rgba(192, 145, 47, .22);
}
.tombol.utama:hover { transform: translateY(-2px); filter: brightness(1.06); box-shadow: 0 10px 30px rgba(192, 145, 47, .3); }
.tombol.garis { border: 1px solid var(--garis); color: var(--kabut); background: var(--kaca); }
.tombol.garis:hover { border-color: var(--emas-terang); color: #fff; transform: translateY(-2px); }
.tombol.besar { padding: .85rem 1.9rem; font-size: 1rem; }

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 3.5rem) clamp(2.5rem, 5vw, 4rem);
  max-width: 1320px; margin: 0 auto;
}

.lencana {
  display: inline-block;
  font-size: .76rem; letter-spacing: .1em;
  color: var(--emas-terang);
  border: 1px solid var(--garis);
  background: var(--kaca);
  border-radius: 999px;
  padding: .32rem 1rem;
  margin-bottom: 1.3rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.4vw, 4.1rem);
  color: #fdfaf3;
  margin-bottom: 1.2rem;
}
.hero h1 em {
  font-style: italic;
  background: linear-gradient(100deg, var(--emas-terang) 0%, #a8d9c6 55%, var(--hijau-terang) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-teks p { color: var(--redup); max-width: 54ch; font-size: 1.03rem; }
.hero-aksi { display: flex; gap: .8rem; flex-wrap: wrap; margin: 1.8rem 0 1rem; }
.hero-catatan { font-size: .85rem; color: #6f8a83; }

/* ---------- kartu melayang di hero ---------- */

.hero-gambar { position: relative; min-height: 420px; }
.kartu-layang {
  position: absolute;
  background: linear-gradient(150deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border: 1px solid var(--garis);
  border-radius: var(--lengkung);
  padding: 1rem 1.1rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .38);
}
.kl-judul {
  display: block; font-size: .72rem; letter-spacing: .09em;
  color: var(--emas-terang); margin-bottom: .6rem;
}
.kl-kaki { display: block; font-size: .74rem; color: var(--redup); margin-top: .55rem; }

.kartu-layang table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.kartu-layang td { padding: .3rem 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.kartu-layang td:nth-child(2) { text-align: right; color: #fff; font-weight: 600; }
.kartu-layang td.ya { text-align: right; color: var(--hijau-terang); font-size: .74rem; padding-left: .7rem; }

.k1 { top: 0; left: 0; width: 62%; }
.k2 { top: 34%; right: 0; width: 66%; }
.k3 { bottom: 0; left: 8%; width: 56%; }
.k2 svg { width: 100%; height: auto; }

.peta-mini {
  position: relative; height: 74px; border-radius: 10px;
  background:
    linear-gradient(rgba(63,180,153,.10), rgba(63,180,153,.10)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 22px);
  border: 1px solid rgba(255,255,255,.07);
}
.peta-mini span {
  position: absolute; width: 8px; height: 8px; border-radius: 50%;
  background: var(--emas-terang); box-shadow: 0 0 0 4px rgba(232,201,121,.16);
}

/* ---------- pita motif ---------- */

.pita-motif {
  height: 12px;
  background:
    repeating-linear-gradient(135deg, var(--emas) 0 7px, transparent 7px 14px),
    repeating-linear-gradient(45deg, var(--emas) 0 7px, transparent 7px 14px);
  opacity: .5;
}

/* ---------- deretan angka ---------- */

.angka {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1px; background: var(--garis);
  border-block: 1px solid var(--garis);
}
.angka div { background: var(--malam-2); padding: 1.6rem 1.4rem; text-align: center; }
.angka b {
  display: block; font-family: Amiri, Georgia, serif; font-weight: 400;
  font-size: 2.4rem; line-height: 1;
  background: linear-gradient(120deg, var(--emas-terang), var(--hijau-terang));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.angka span { font-size: .85rem; color: var(--redup); }

/* ---------- bagian umum ---------- */

.bagian {
  max-width: 1240px; margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(1rem, 4vw, 3.5rem);
}
.kepala-bagian { max-width: 62ch; margin-bottom: 2.4rem; }
.mata {
  display: inline-block; font-size: .74rem; letter-spacing: .14em;
  color: var(--emas); margin-bottom: .7rem;
}
.kepala-bagian h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); color: #fdfaf3; margin-bottom: .8rem; }
.kepala-bagian p { color: var(--redup); }

/* ---------- alur ---------- */

.langkah-alur {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.1rem;
}
.langkah-alur li {
  background: var(--kaca);
  border: 1px solid var(--garis);
  border-radius: var(--lengkung);
  padding: 1.5rem 1.4rem;
  transition: transform var(--alih), border-color var(--alih), background var(--alih);
}
.langkah-alur li:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 201, 121, .38);
  background: rgba(255, 255, 255, .055);
}
.nomor {
  display: block; font-family: Amiri, Georgia, serif; font-size: 1.9rem;
  background: linear-gradient(120deg, var(--emas-terang), var(--hijau-terang));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: .3rem;
}
.langkah-alur h3 { font-size: 1.22rem; color: #fdfaf3; margin-bottom: .45rem; }
.langkah-alur p { color: var(--redup); font-size: .92rem; margin: 0; }

/* ---------- kartu ---------- */

.kartu {
  background: var(--kaca);
  border: 1px solid var(--garis);
  border-radius: var(--lengkung);
  padding: 1.6rem 1.5rem;
  transition: transform var(--alih), border-color var(--alih);
}
.kartu:hover { transform: translateY(-4px); border-color: rgba(232, 201, 121, .38); }
.kartu h3 { font-size: 1.35rem; color: #fdfaf3; margin-bottom: .6rem; }
.kartu p { color: var(--redup); font-size: .93rem; margin: 0; }
.kartu.sorot {
  border-color: transparent;
  background:
    linear-gradient(var(--malam-2), var(--malam-2)) padding-box,
    linear-gradient(140deg, var(--emas), var(--hijau-terang)) border-box;
  border: 1px solid transparent;
}
.kartu.tebal { background: linear-gradient(150deg, rgba(255,255,255,.075), rgba(255,255,255,.02)); }

.kisi-metode { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.1rem; }

/* ---------- dua kolom ---------- */

.dua-kolom { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: center; }
.dua-kolom h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); color: #fdfaf3; margin: .5rem 0 1.3rem; }

.daftar-centang { list-style: none; padding: 0; margin: 0; }
.daftar-centang li {
  position: relative; padding: .55rem 0 .55rem 1.9rem;
  color: var(--redup); font-size: .95rem;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.daftar-centang li:last-child { border-bottom: 0; }
.daftar-centang li b { color: #eef6f2; font-weight: 600; }
.daftar-centang li::before {
  content: ""; position: absolute; left: 0; top: 1.05rem;
  width: 9px; height: 9px; border-radius: 50%;
  background: linear-gradient(120deg, var(--emas-terang), var(--hijau-terang));
  box-shadow: 0 0 0 4px rgba(63, 180, 153, .12);
}

.kutipan {
  font-family: Amiri, Georgia, serif; font-size: 1.06rem; line-height: 1.6;
  color: #eef6f2; border-left: 2px solid var(--emas); padding-left: 1rem; margin: .6rem 0 1rem;
}

/* ---------- paket ---------- */

.kisi-paket { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.1rem; align-items: stretch; }
.kartu.harga { display: flex; flex-direction: column; position: relative; }
.kartu.harga h3 { margin-bottom: .3rem; }
.kartu.harga .nominal {
  font-family: Amiri, Georgia, serif; font-size: 2.05rem; line-height: 1.1;
  background: linear-gradient(120deg, var(--emas-terang), var(--hijau-terang));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.kartu.harga .nominal small {
  font-family: "Plus Jakarta Sans", sans-serif; font-size: .82rem;
  color: var(--redup); -webkit-text-fill-color: var(--redup);
}
.kartu.harga .untuk { color: var(--redup); font-size: .88rem; margin: .4rem 0 1rem; }
.kartu.harga ul { list-style: none; padding: 0; margin: 0 0 1.4rem; flex: 1; }
.kartu.harga li {
  font-size: .9rem; color: var(--redup);
  padding: .4rem 0 .4rem 1.3rem; position: relative;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.kartu.harga li::before {
  content: ""; position: absolute; left: 0; top: .95rem;
  width: 6px; height: 6px; border-radius: 50%; background: var(--emas);
}
.kartu.harga .tombol { text-align: center; }
.pita-kartu {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(120deg, var(--emas), var(--emas-terang));
  color: #08211b; font-size: .7rem; font-weight: 700;
  padding: .2rem .9rem; border-radius: 999px; white-space: nowrap;
}
.catatan-paket { color: var(--redup); font-size: .88rem; margin-top: 1.4rem; max-width: 70ch; }

/* ---------- ajakan ---------- */

.ajakan {
  text-align: center;
  padding: clamp(3rem, 7vw, 5rem) 1.2rem clamp(4rem, 8vw, 6rem);
  max-width: 720px; margin: 0 auto;
}
.ajakan h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); color: #fdfaf3; margin-bottom: .7rem; }
.ajakan p { color: var(--redup); margin-bottom: 1.8rem; }

/* ---------- kaki ---------- */

.bawah {
  border-top: 1px solid var(--garis);
  padding: 2rem clamp(1rem, 4vw, 3.5rem);
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  font-size: .87rem; color: var(--redup);
}
.bawah b { font-family: Amiri, Georgia, serif; font-weight: 400; font-size: 1.15rem; color: #fff; display: block; }

/* ---------- responsif ---------- */

@media (max-width: 1000px) {
  .hero { grid-template-columns: 1fr; }
  .hero-gambar { min-height: 340px; margin-top: 1rem; }
  .k1 { width: 58%; } .k2 { width: 62%; } .k3 { width: 54%; }
  .dua-kolom { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .menu-atas {
    position: fixed; inset: 58px 0 auto 0;
    flex-direction: column; gap: 0;
    background: rgba(7, 19, 15, .97);
    border-bottom: 1px solid var(--garis);
    padding: .6rem 1.2rem 1.2rem;
    display: none;
  }
  body.menu-buka .menu-atas { display: flex; }
  .menu-atas a { padding: .7rem 0; border-bottom: 1px solid rgba(255,255,255,.06); }
  .beralih { display: block; margin-left: auto; order: 3; }
  .atas .tombol.utama { order: 2; padding: .5rem 1.05rem; font-size: .85rem; }

  .hero-gambar { min-height: 0; display: flex; flex-direction: column; gap: .9rem; }
  .kartu-layang { position: static; width: 100% !important; }

  .angka div { padding: 1.2rem .8rem; }
  .angka b { font-size: 1.9rem; }
  .hero-aksi .tombol { flex: 1 1 auto; text-align: center; }
  .bawah nav { margin-left: 0; width: 100%; flex-wrap: wrap; gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
  .langkah-alur li:hover, .kartu:hover, .tombol:hover { transform: none; }
}

/* ---------- pamer keluaran visual ---------- */
.pamer .kisi-pamer {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
  gap: 1.1rem;
}
.gambar-pamer { margin: 0; padding: 1.1rem 1.1rem 1rem; }
.gambar-pamer figcaption {
  font-size: .78rem; letter-spacing: .11em; text-transform: uppercase;
  color: var(--emas); margin-bottom: .7rem;
}
.gambar-pamer svg { width: 100%; height: auto; display: block; }
.gambar-pamer .kl-kaki { margin-top: .7rem; }

.kotak-prisma rect { fill: rgba(42,130,114,.16); stroke: #2a8272; stroke-width: 1; }
.kotak-prisma rect.emas { fill: rgba(232,201,121,.14); stroke: #c0912f; }
.kotak-prisma rect.abu { fill: rgba(255,255,255,.04); stroke: #55706a; }
.gambar-pamer text.ang { font-weight: 600; fill: #fff; }

.batang rect { fill: #2a8272; opacity: .72; }
.batang rect.puncak { fill: #e8c979; opacity: .92; }

.simpul circle { fill: #2a8272; opacity: .8; stroke: rgba(255,255,255,.22); }
.simpul circle.inti { fill: #e8c979; opacity: .95; }
.simpul circle.dua { fill: #5aa08f; }

.lampu.hijau, .lampu circle.hijau, circle.hijau { fill: #2f9e6d; }
.lampu.kuning, .lampu circle.kuning, circle.kuning { fill: #d3a53a; }
.lampu.merah, .lampu circle.merah, circle.merah { fill: #c2563f; }
.lampu circle { stroke: rgba(0,0,0,.25); stroke-width: .8; }

@media (max-width: 640px) { .pamer .kisi-pamer { grid-template-columns: 1fr; } }

/* ---------- kaki halaman ---------- */
.bawah { display: block; padding: 3rem 6vw 1.6rem; border-top: 1px solid rgba(255,255,255,.08); }
.kaki-utama {
  display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr; gap: 2rem;
  max-width: 1180px; margin: 0 auto;
}
.kaki-merek .logo { margin-bottom: .9rem; }
.kaki-merek p {
  font-size: .88rem; line-height: 1.75; color: var(--tinta-lembut);
  max-width: 30rem; margin: 0 0 1.1rem;
}
.kaki-merek .tombol.utama { display: inline-block; }
.kaki-catatan { font-size: .78rem !important; margin-top: .7rem !important; opacity: .8; }
.bawah .kaki-tautan h4 {
  font-size: .76rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--emas); margin: .3rem 0 .8rem;
}
.bawah .kaki-tautan a {
  display: block; font-size: .87rem; color: var(--tinta-lembut);
  text-decoration: none; padding: .25rem 0; transition: color .18s;
  white-space: normal;
}
.bawah .kaki-tautan a:hover { color: #fff; }
.bawah .kaki-merek .logo { display: inline-flex; align-items: center; gap: .5rem; }
.bawah .kaki-merek .logo svg { width: 30px; height: 30px; }
.kaki-pita {
  height: 8px; margin: 2.2rem auto 1.2rem; max-width: 1180px; border-radius: 4px;
  background: repeating-linear-gradient(135deg, rgba(232,201,121,.5) 0 9px,
              transparent 9px 18px, rgba(42,130,114,.5) 18px 27px, transparent 27px 36px);
  opacity: .55;
}
.kaki-bawah {
  display: flex; flex-wrap: wrap; gap: .6rem 2rem; justify-content: space-between;
  align-items: center; max-width: 1180px; margin: 0 auto;
  font-size: .8rem; color: var(--tinta-lembut);
}
.kaki-janji { max-width: 34rem; opacity: .8; }
@media (max-width: 860px) {
  .kaki-utama { grid-template-columns: 1fr 1fr; }
  .kaki-merek { grid-column: 1 / -1; }
}
@media (max-width: 560px) { .kaki-utama { grid-template-columns: 1fr; } }