/* =============================================================================
   Vinrul Tech — profil perusahaan 3D
   Gaya antarmuka di atas panggung WebGL. Palet mengikuti identitas merek:
   biru aksen #4d7cff, cyan #22d3ee, navy #05080f.
   ============================================================================= */

:root {
  --bg: #05080f;
  --bg-2: #0a1020;
  --kaca: rgba(12, 18, 32, 0.62);
  --kaca-padat: #0b1220;
  --garis: rgba(255, 255, 255, 0.1);
  --garis-kuat: rgba(255, 255, 255, 0.18);
  --teks: #e9eef8;
  --teks-lembut: #a9b6cd;
  --redup: #7d8ba4;
  --biru: #4d7cff;
  --cyan: #22d3ee;
  --ok: #34d399;
  --radius: 16px;
  --radius-besar: 22px;
  --wadah: 1180px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--teks);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; line-height: 1.18; letter-spacing: -0.02em; font-weight: 700; }
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.05rem; }
p { margin: 0; }
img { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 8px; }

.wadah { width: 100%; max-width: var(--wadah); margin-inline: auto; padding-inline: 22px; }

.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 90;
  transform: translateY(-160%);
  padding: 10px 18px; border-radius: 999px;
  background: var(--biru); color: #fff; font-weight: 600;
}
.skip-link:focus { transform: none; }

/* ============================ PANGGUNG 3D ============================ */
#panggung {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

.tirai {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(5, 8, 15, 0) 0%, rgba(5, 8, 15, 0.55) 60%, rgba(5, 8, 15, 0.9) 100%),
    linear-gradient(180deg, rgba(5, 8, 15, 0.72), rgba(5, 8, 15, 0) 22%, rgba(5, 8, 15, 0) 64%, rgba(5, 8, 15, 0.86));
}

.bar-progres {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 60;
  transform: scaleX(var(--p, 0));
  transform-origin: left center;
  background: linear-gradient(90deg, var(--biru), var(--cyan));
}

/* Tanpa WebGL: panggung disembunyikan, latar memakai gradasi biasa */
.tanpa-3d #panggung { display: none; }
.tanpa-3d .tirai {
  background:
    radial-gradient(90% 60% at 20% 0%, rgba(77, 124, 255, 0.22), transparent 62%),
    radial-gradient(80% 60% at 85% 30%, rgba(34, 211, 238, 0.16), transparent 60%),
    linear-gradient(180deg, #070b14, #05080f);
}

/* ============================ PERINGATAN ============================ */
.peringatan {
  position: fixed;
  z-index: 80;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  width: min(900px, calc(100vw - 28px));
  padding: 14px 18px;
  border: 1px solid rgba(240, 180, 90, 0.45);
  border-radius: 14px;
  background: rgba(46, 32, 12, 0.92);
  color: #ffe4b5;
  font-size: 0.88rem;
  box-shadow: 0 20px 45px -22px rgba(0, 0, 0, 0.8);
}
.peringatan code {
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.35);
  font-family: var(--mono);
  font-size: 0.82em;
}
.peringatan button {
  margin-left: auto;
  padding: 6px 14px;
  border: 1px solid rgba(255, 228, 181, 0.4);
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font-size: 0.82rem;
}

/* ============================ KEPALA ============================ */
.situs-kepala {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}
.situs-kepala.gulir { background: rgba(5, 8, 15, 0.72); border-bottom-color: var(--garis); backdrop-filter: blur(14px); }

.kepala-dalam { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 72px; }

.merek { display: inline-flex; align-items: center; gap: 11px; }
.merek img { display: block; }
.merek__teks { display: grid; }
.merek__teks strong { font-size: 1rem; letter-spacing: -0.01em; }
.merek__teks small { color: var(--redup); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; }

.navigasi { display: flex; align-items: center; gap: 22px; }
.navigasi ul { display: flex; align-items: center; gap: 4px; }
.tautan-nav {
  position: relative;
  display: inline-block;
  padding: 9px 12px;
  border-radius: 10px;
  color: var(--teks-lembut);
  font-size: 0.92rem;
  transition: color 0.2s ease, background 0.2s ease;
}
.tautan-nav:hover { color: var(--teks); background: rgba(255, 255, 255, 0.05); }
.tautan-nav.aktif { color: var(--teks); }
.tautan-nav.aktif::after {
  content: "";
  position: absolute; left: 12px; right: 12px; bottom: 2px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--biru), var(--cyan));
}

.tombol-menu {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  padding: 0 11px;
  border: 1px solid var(--garis-kuat);
  border-radius: 12px;
  background: var(--kaca);
}
.tombol-menu span { display: block; height: 2px; border-radius: 2px; background: var(--teks); transition: transform 0.25s ease, opacity 0.2s ease; }
.tombol-menu[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.tombol-menu[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.tombol-menu[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================ TOMBOL ============================ */
.tombol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border: 1px solid var(--garis-kuat);
  border-radius: 999px;
  background: var(--kaca);
  color: var(--teks);
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1;
  backdrop-filter: blur(8px);
  transition: transform 0.18s ease, border-color 0.2s ease, box-shadow 0.22s ease, background 0.2s ease;
}
.tombol:hover { transform: translateY(-2px); border-color: rgba(34, 211, 238, 0.5); }
.tombol--utama {
  background: linear-gradient(96deg, var(--biru), var(--cyan));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 18px 38px -20px var(--biru);
}
.tombol--kecil { padding: 10px 18px; font-size: 0.86rem; }

/* ============================ UMUM ============================ */
main { position: relative; z-index: 2; }

.label-atas {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.label-atas .titik { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.18); }
.gradasi { background: linear-gradient(96deg, var(--biru) 5%, var(--cyan) 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pengantar { color: var(--teks-lembut); font-size: 1.02rem; max-width: 68ch; }

.bagian {
  position: relative;
  padding: clamp(60px, 9vw, 110px) 0;
  background: linear-gradient(180deg, rgba(5, 8, 15, 0), rgba(5, 8, 15, 0.74) 14%, rgba(5, 8, 15, 0.74) 86%, rgba(5, 8, 15, 0));
}
.kepala-bagian { max-width: 760px; margin-bottom: clamp(30px, 4vw, 48px); }
.kepala-bagian .pengantar { margin-top: 14px; }

.kartu-kisi { display: grid; gap: 16px; }
.kartu-kisi--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kartu-kisi--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.kartu {
  padding: 22px;
  border: 1px solid var(--garis);
  border-radius: var(--radius-besar);
  background: var(--kaca);
  backdrop-filter: blur(10px);
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.25s ease;
}
.kartu:hover { border-color: rgba(77, 124, 255, 0.45); transform: translateY(-3px); box-shadow: 0 22px 50px -30px rgba(0, 0, 0, 0.9); }
.kartu h3 { margin-bottom: 8px; }
.kartu p { color: var(--teks-lembut); font-size: 0.92rem; }
.kartu__ikon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: rgba(77, 124, 255, 0.16);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
}
.kartu__aksi { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.kartu--lebar { margin-top: 16px; }
.kartu--kontak { display: grid; gap: 4px; align-content: start; }
.kartu--kontak strong { font-size: 1rem; overflow-wrap: anywhere; }
.kartu__label { color: var(--redup); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; }

.cip { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.cip li {
  padding: 7px 14px;
  border: 1px solid var(--garis);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--teks-lembut);
  font-size: 0.83rem;
}
.cip--kecil { margin-top: 14px; gap: 7px; }
.cip--kecil li { padding: 5px 11px; font-size: 0.76rem; }

/* ============================ HERO ============================ */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100svh;
  padding: 118px 0 70px;
}
.hero__isi { max-width: 820px; }
.hero h1 { margin-bottom: 18px; text-shadow: 0 18px 50px rgba(0, 0, 0, 0.6); }
.hero .pengantar { text-shadow: 0 10px 30px rgba(0, 0, 0, 0.6); }
.hero__aksi { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.statistik {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: clamp(34px, 5vw, 52px) 0 0;
}
.statistik > div {
  padding: 16px 18px;
  border: 1px solid var(--garis);
  border-radius: var(--radius);
  background: var(--kaca);
  backdrop-filter: blur(10px);
}
.statistik dt { color: var(--redup); font-size: 0.8rem; }
.statistik dd {
  margin: 6px 0 0;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(96deg, var(--biru), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.petunjuk-gulir {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: clamp(28px, 4vw, 44px);
  color: var(--redup);
  font-size: 0.84rem;
}
.petunjuk-gulir--kecil { margin-top: 18px; }
.ikon-gulir {
  position: relative;
  display: inline-block;
  width: 20px; height: 30px;
  border: 1.5px solid var(--garis-kuat);
  border-radius: 999px;
}
.ikon-gulir::after {
  content: "";
  position: absolute;
  left: 50%; top: 6px;
  width: 3px; height: 7px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--cyan);
  animation: gulir-turun 1.8s ease-in-out infinite;
}
@keyframes gulir-turun {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.35; }
}

/* ============================ PORTOFOLIO 3D ============================ */
.portofolio { position: relative; }

.portofolio__lengket {
  position: sticky;
  top: 0;
  height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 42px;
}

.portofolio__isi {
  display: grid;
  gap: 18px;
  align-items: end;
  grid-template-columns: minmax(0, 420px);
  pointer-events: none;
}
.portofolio__isi > * { pointer-events: auto; }

.panel-info {
  padding: 22px 24px;
  border: 1px solid var(--garis-kuat);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-besar);
  background: rgba(9, 14, 26, 0.76);
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 70px -40px rgba(0, 0, 0, 0.95);
}
.panel-info__meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--cyan); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.panel-info__meta .pisah { color: var(--redup); }
.panel-info h2 { margin: 10px 0 6px; font-size: clamp(1.25rem, 2.2vw, 1.7rem); }
.panel-info__sub { color: var(--cyan); font-size: 0.9rem; font-weight: 600; }
.panel-info__ringkas { margin-top: 10px; color: var(--teks-lembut); font-size: 0.92rem; }
.panel-info__aksi { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.panel-nomor { display: flex; gap: 8px; }
.panel-nomor button {
  width: 34px; height: 6px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  transition: background 0.25s ease, transform 0.25s ease;
}
.panel-nomor button.aktif { background: linear-gradient(90deg, var(--biru), var(--cyan)); transform: scaleY(1.6); }

.portofolio__gulir { height: 560vh; }

/* ============================ LEGALITAS ============================ */
.legal { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.tabel-bungkus { border: 1px solid var(--garis); border-radius: var(--radius-besar); background: var(--kaca); backdrop-filter: blur(10px); overflow-x: auto; }
.tabel { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
.tabel caption { caption-side: top; padding: 16px 20px 4px; color: var(--redup); font-size: 0.74rem; letter-spacing: 0.1em; text-align: left; text-transform: uppercase; }
.tabel th, .tabel td { padding: 14px 20px; border-bottom: 1px solid var(--garis); text-align: left; vertical-align: top; }
.tabel th { width: 40%; color: var(--redup); font-weight: 500; font-size: 0.85rem; }
.tabel td { font-weight: 600; }
.tabel tr:last-child th, .tabel tr:last-child td { border-bottom: none; }
.tabel td .mono { font-family: var(--mono); }
.legal__sisi { display: grid; gap: 18px; }

/* ============================ KONTAK ============================ */
.kontak { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.langkah { display: grid; gap: 10px; margin-top: 14px; }
.langkah li { position: relative; padding-left: 22px; color: var(--teks-lembut); font-size: 0.92rem; }
.langkah li::before {
  counter-increment: langkah;
  content: "";
  position: absolute;
  left: 2px; top: 0.55em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--biru), var(--cyan));
}
.langkah strong { color: var(--teks); }

/* ============================ KAKI ============================ */
.situs-kaki {
  position: relative;
  z-index: 2;
  margin-top: 20px;
  padding-top: clamp(40px, 6vw, 64px);
  border-top: 1px solid var(--garis);
  background: linear-gradient(180deg, rgba(5, 8, 15, 0), rgba(5, 8, 15, 0.9));
}
.kaki-dalam { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr) minmax(0, 1fr); gap: 30px; padding-bottom: 30px; }
.kaki__catatan { margin-top: 14px; max-width: 42ch; color: var(--redup); font-size: 0.87rem; }
.kaki__tautan h3 { margin-bottom: 12px; color: var(--redup); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; }
.kaki__tautan ul { display: grid; gap: 9px; }
.kaki__tautan a, .kaki__tautan li { color: var(--teks-lembut); font-size: 0.89rem; }
.kaki__tautan a:hover { color: var(--cyan); }
.kaki-bawah {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 18px;
  padding-bottom: 24px;
  border-top: 1px solid var(--garis);
  color: var(--redup);
  font-size: 0.83rem;
}
.status { color: var(--ok); }

.ke-atas {
  position: fixed;
  right: 20px; bottom: 20px;
  z-index: 55;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border: 1px solid var(--garis-kuat);
  border-radius: 50%;
  background: var(--kaca);
  color: var(--teks);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}
.ke-atas.tampil { opacity: 1; visibility: visible; transform: none; }

/* ============================ ANIMASI ============================ */
/* Status awal animasi hanya diterapkan bila JavaScript aktif, agar konten tetap
   terbaca ketika modul gagal dimuat (mis. dibuka lewat protokol file://). */
.js-aktif .anim { opacity: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js-aktif .anim { opacity: 1; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ============================ RESPONSIF ============================ */
@media (max-width: 1024px) {
  .kartu-kisi--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kartu-kisi--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kontak { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .legal { grid-template-columns: 1fr; }
  .kaki-dalam { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .portofolio__isi { grid-template-columns: minmax(0, 380px); }
}

@media (max-width: 900px) {
  .tombol-menu { display: flex; }
  .navigasi {
    position: absolute;
    top: calc(100% + 10px);
    left: 22px; right: 22px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 16px;
    border: 1px solid var(--garis-kuat);
    border-radius: var(--radius-besar);
    background: rgba(9, 14, 26, 0.96);
    backdrop-filter: blur(14px);
    box-shadow: 0 30px 70px -40px rgba(0, 0, 0, 0.95);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  }
  .navigasi.terbuka { opacity: 1; visibility: visible; transform: none; }
  .navigasi ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .tautan-nav { padding: 12px 14px; }
  .tautan-nav.aktif::after { display: none; }
  .tautan-nav.aktif { background: rgba(77, 124, 255, 0.16); }
}

@media (max-width: 760px) {
  .statistik { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kartu-kisi--4, .kartu-kisi--3 { grid-template-columns: 1fr; }
  .kontak { grid-template-columns: 1fr; }
  .kaki-dalam { grid-template-columns: 1fr; }
  .portofolio__isi { grid-template-columns: 1fr; }
  .portofolio__lengket { padding-bottom: 22px; }
  .panel-info { padding: 18px 18px; }
  .portofolio__gulir { height: 480vh; }
  .tabel th { width: 44%; }
  .tabel th, .tabel td { padding: 12px 14px; font-size: 0.88rem; }
  .hero { min-height: auto; padding: 104px 0 48px; }
  .tombol { width: 100%; }
  .hero__aksi .tombol, .kartu__aksi .tombol, .panel-info__aksi .tombol { width: 100%; }
}

@media (max-width: 480px) {
  .statistik { grid-template-columns: 1fr; }
}

/* ============================ CETAK ============================ */
@media print {
  #panggung, .tirai, .bar-progres, .peringatan, .situs-kepala, .ke-atas,
  .petunjuk-gulir, .portofolio__gulir { display: none !important; }
  body { background: #fff; color: #111; }
  .kartu, .panel-info, .tabel-bungkus, .statistik > div { background: #fff; border-color: #d8dfea; color: #111; }
  .pengantar, .kartu p, .kaki__catatan { color: #333; }
  .gradasi { color: #1d4ed8; -webkit-text-fill-color: #1d4ed8; }
}