/* ==========================================================================
   Kakun Studio — situs studio
   --------------------------------------------------------------------------
   Identitas studio sengaja DIBUAT BERBEDA dari dexagold.com. Alasannya satu
   dan itu bukan selera: studio tidak memaksakan gaya rumahnya ke produk yang
   dibuatnya. Halaman ini nila dan kertas; hijau-emas Dexagold hanya muncul di
   dalam kartu produknya sendiri (lihat blok "Kartu produk" di bawah), persis
   seperti di aplikasinya. Jangan bocorkan hijau/emas ke luar kartu itu.
   ========================================================================== */

/* ---------- Token ---------- */
:root {
  /* Nila — warna induk studio. Diambil dari tradisi celup nila, bukan dari
     palet aplikasi mana pun, supaya tidak pernah tertukar dengan Dexagold. */
  --nila: #17284A;
  --nila-deep: #101B33;
  --nila-lift: #24385E;
  --nila-wash: #EDF0F6;

  --paper: #F6F4EF;
  --card: #FFFFFF;
  --ink: #141A24;
  --muted: #5C6675;

  /* Kuningan. Dipakai untuk garis, angka indeks, dan tanda — TIDAK PERNAH
     untuk teks kecil di atas putih (#A9793A di atas putih hanya 4,0:1).
     Kalau butuh teks, pakai --brass-deep (6,3:1). */
  --brass: #A9793A;
  --brass-deep: #7E5723;
  --brass-wash: #F3ECE0;

  --rule: #DFDAD0;
  --rule-soft: #EAE6DE;

  /* Di atas nila. Bidang nila TIDAK pernah berbalik jadi terang, jadi nilai
     di bawah ini tetap sama di mode gelap — kecuali --on-nila-rule, yang
     memang mengikuti kedalaman bidangnya. Jangan pakai --paper/--nila-deep
     untuk tombol di sini: keduanya berbalik, dan hasilnya gelap-di-atas-gelap. */
  --on-nila: #F6F4EF;
  --on-nila-muted: #A9B6CE;
  --on-nila-rule: #35486E;
  --on-nila-btn-bg: #F6F4EF;
  --on-nila-btn-bg-hover: #FFFFFF;
  --on-nila-btn-fg: #101B33;

  /* Tanda merek di kepala situs: nila di atas kertas, kuningan di atas gelap. */
  --brand-mark: var(--nila);

  /* Bentuk — sedikit lebih tegas daripada situs produk. */
  --r-card: 14px;
  --r-btn: 10px;
  --r-chip: 999px;

  /* Ruang */
  --gutter: clamp(20px, 5vw, 44px);
  --section-y: clamp(72px, 10vw, 128px);
  --max: 1180px;

  --shadow-sm: 0 1px 2px rgba(16, 27, 51, .06), 0 2px 8px rgba(16, 27, 51, .05);
  --shadow-md: 0 2px 6px rgba(16, 27, 51, .07), 0 14px 34px rgba(16, 27, 51, .09);
  --shadow-lg: 0 10px 24px rgba(16, 27, 51, .12), 0 36px 80px rgba(16, 27, 51, .18);

  --focus: var(--nila);

  --display: 'Bricolage Grotesque', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --body: 'Source Serif 4', ui-serif, Georgia, Cambria, 'Times New Roman', serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --nila: #142240;
    --nila-deep: #0A1122;
    --nila-lift: #1E3157;
    --nila-wash: #172238;

    --paper: #0D1421;
    --card: #141D2E;
    --ink: #E6EAF1;
    --muted: #9BA7BC;

    --brass: #C79A55;
    --brass-deep: #D6AC6A;
    --brass-wash: #221C11;

    --rule: #26324A;
    --rule-soft: #1C2739;

    --on-nila: #E9EDF5;
    --on-nila-muted: #93A2BE;
    --on-nila-rule: #2B3C5E;
    /* --on-nila-btn-* sengaja TIDAK ditimpa: bidangnya tetap nila gelap. */
    --brand-mark: var(--brass);

    /* Nila nyaris tak terlihat di latar gelap, jadi cincin fokus jadi kuningan. */
    --focus: var(--brass);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
    --shadow-md: 0 2px 6px rgba(0, 0, 0, .40), 0 14px 34px rgba(0, 0, 0, .34);
    --shadow-lg: 0 10px 24px rgba(0, 0, 0, .45), 0 36px 80px rgba(0, 0, 0, .50);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.68;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 .5em;
  text-wrap: balance;
}

h1 { font-size: clamp(38px, 7vw, 76px); font-weight: 800; }
h2 { font-size: clamp(29px, 4.4vw, 46px); }
h3 { font-size: clamp(20px, 2.2vw, 25px); letter-spacing: -0.015em; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 600; }

:where(a, button, [tabindex]):focus-visible {
  outline: 2.5px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--nila);
  color: var(--on-nila);
  padding: 12px 18px;
  font-family: var(--display);
  font-weight: 600;
  border-radius: 0 0 var(--r-btn) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Label utilitas ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brass-deep);
  margin: 0 0 18px;
}
.eyebrow-on-nila { color: var(--brass); }

/* ---------- Tombol ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1;
  padding: 15px 24px;
  border-radius: var(--r-btn);
  border: 1.5px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s cubic-bezier(.2,.7,.3,1),
              background-color .18s ease,
              border-color .18s ease,
              color .18s ease;
}
.btn:active { transform: translateY(1px); }

/* Di atas kertas: isian nila. */
.btn-solid { background: var(--nila); color: var(--on-nila); }
.btn-solid:hover { background: var(--nila-lift); }

.btn-line { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-line:hover { border-color: var(--nila); background: var(--nila-wash); }

/* Di atas nila: isian kertas. */
.btn-paper { background: var(--on-nila-btn-bg); color: var(--on-nila-btn-fg); }
.btn-paper:hover { background: var(--on-nila-btn-bg-hover); }

.btn-onnila-line { background: transparent; color: var(--on-nila); border-color: var(--on-nila-rule); }
.btn-onnila-line:hover { border-color: var(--on-nila-muted); background: rgba(246, 244, 239, .07); }

/* ---------- Kepala situs ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background-color .25s ease;
}
.site-header.is-stuck { border-bottom-color: var(--rule); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--ink);
  flex: 0 0 auto;
}
.brand svg { display: block; color: var(--brand-mark); }
.brand-name {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand-name b { font-weight: 500; color: var(--muted); }

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
/* :not(.btn) wajib. Tanpa itu selektor ini (0,1,1) mengalahkan .btn-solid
   (0,1,0), dan tombol ajakan di bilah atas mewarisi warna --muted serta
   padding tautan — teks kelabu di atas nila, dan tombolnya menyusut. */
.nav a:not(.btn) {
  font-family: var(--display);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  color: var(--muted);
  padding: 9px 13px;
  border-radius: 8px;
  transition: color .18s ease, background-color .18s ease;
}
.nav a:not(.btn):hover { color: var(--ink); background: var(--nila-wash); }
.nav .nav-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--rule);
  border-radius: 10px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    inset: 72px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: 12px var(--gutter) 22px;
    margin: 0;
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a:not(.btn) { padding: 13px 4px; font-size: 17px; }
  .nav .nav-cta { margin: 10px 0 0; justify-content: center; }
  .nav-toggle { display: inline-flex; }
}

/* ---------- Bidang nila ---------- */
.on-nila {
  background: var(--nila);
  color: var(--on-nila);
}
.on-nila h1, .on-nila h2, .on-nila h3 { color: var(--on-nila); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(76px, 11vw, 136px) clamp(0px, 0vw, 0px);
  overflow: hidden;
}
/* Kilau kuningan yang sangat tipis, hanya untuk memberi kedalaman pada bidang
   nila yang besar. Tidak boleh cukup terang untuk dibaca sebagai elemen. */
.hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: min(760px, 78vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(169, 121, 58, .22), rgba(169, 121, 58, 0) 68%);
  pointer-events: none;
}
.hero > .wrap { position: relative; }

.hero h1 { margin-bottom: 26px; max-width: 16ch; }

.hero-sub {
  font-size: clamp(18px, 2.1vw, 21px);
  line-height: 1.6;
  color: var(--on-nila-muted);
  max-width: 54ch;
  margin-bottom: 34px;
}
.hero-sub strong { color: var(--on-nila); font-weight: 600; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(56px, 8vw, 86px);
}

/* Tiga nama, di bawah garis. Ini isi, bukan hiasan: studio bertiga dan
   daftarnya memang sependek itu. */
.hero-roster {
  border-top: 1px solid var(--on-nila-rule);
  padding-top: 22px;
  padding-bottom: clamp(56px, 8vw, 92px);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 30px;
}
.hero-roster .roster-label {
  font-family: var(--display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--on-nila-muted);
  margin-right: 6px;
}
.hero-roster .roster-name {
  font-family: var(--display);
  font-size: clamp(20px, 2.6vw, 27px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--on-nila);
}

/* ---------- Bagian ---------- */
.section { padding-block: var(--section-y); }
.section-head { max-width: 62ch; margin-bottom: clamp(38px, 5vw, 58px); }
.section-head p {
  font-size: clamp(18px, 2vw, 20px);
  color: var(--muted);
  margin: 0;
}

/* Hitungan karya. Angkanya jujur — satu — dan itulah pernyataannya. */
.tally {
  display: flex;
  align-items: flex-start;
  gap: clamp(18px, 3vw, 30px);
  margin-bottom: clamp(38px, 5vw, 56px);
}
.tally-figure {
  font-family: var(--display);
  font-size: clamp(64px, 11vw, 124px);
  font-weight: 800;
  line-height: .82;
  letter-spacing: -0.05em;
  color: var(--brass);
  flex: 0 0 auto;
}
.tally-body { padding-top: clamp(4px, 1vw, 12px); }
.tally-body h2 { margin-bottom: .35em; }
.tally-body p { color: var(--muted); max-width: 46ch; margin: 0; }

/* ---------- Kartu produk ----------
   SATU-SATUNYA tempat hijau-emas Dexagold muncul di situs ini. Warnanya
   dikurung di dalam blok ini (--dexa-*) supaya tidak bisa bocor ke luar. */
.product {
  --dexa-forest: #1A4033;
  --dexa-forest-deep: #122E25;
  --dexa-gold: #F4C243;

  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.product-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  padding: clamp(26px, 4vw, 52px);
}

.product-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.product-mark {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  background: var(--dexa-forest);
  border-radius: 12px;
}
.product-mark img { width: 30px; height: auto; }
.product-name {
  font-family: var(--display);
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 700;
  letter-spacing: -0.028em;
  line-height: 1.1;
  margin: 0;
}
.product-kicker {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  margin: 2px 0 0;
  line-height: 1.3;
}

.product-copy p { color: var(--muted); max-width: 50ch; }
.product-copy p strong { color: var(--ink); }

/* Spesifikasi — fakta, bukan klaim. */
.spec {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
  border-radius: 10px;
  overflow: hidden;
  margin: 26px 0;
}
.spec div {
  background: var(--card);
  padding: 14px 16px;
}
.spec dt {
  font-family: var(--display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.spec dd {
  font-family: var(--display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

.product-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Ruang pamer: perangkat + pengalih layar ----------
   Tanda tangan halaman ini. Produknya bukan digambarkan — dijalankan. */
.exhibit { display: flex; flex-direction: column; align-items: center; gap: 22px; }

.device {
  position: relative;
  width: min(300px, 82vw);
  aspect-ratio: 1080 / 2400;
  background: var(--dexa-forest-deep);
  border-radius: 34px;
  padding: 9px;
  box-shadow: var(--shadow-lg);
  flex: 0 0 auto;
}
.device-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 26px;
  overflow: hidden;
  background: var(--dexa-forest);
}
.device-screen img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .42s ease;
}
.device-screen img.is-live { opacity: 1; }

/* Pengalih layar — memakai nama tab aplikasinya sendiri. */
.switcher {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  padding: 5px;
  background: var(--nila-wash);
  border-radius: var(--r-chip);
}
.switcher button {
  font-family: var(--display);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--muted);
  background: transparent;
  border: 0;
  padding: 9px 15px;
  border-radius: var(--r-chip);
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease;
}
.switcher button:hover { color: var(--ink); }
.switcher button[aria-checked="true"] {
  background: var(--nila);
  color: var(--on-nila);
}

@media (max-width: 880px) {
  .product-grid { grid-template-columns: minmax(0, 1fr); }
  .exhibit { order: -1; }
  .spec { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 420px) {
  .spec { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- Studio ---------- */
.studio { background: var(--nila-wash); }

.studio-grid {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: start;
}
.studio-grid > div > p {
  color: var(--muted);
  font-size: clamp(18px, 2vw, 20px);
}
.studio-grid > div > p strong { color: var(--ink); }

.people {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.person {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 2px;
  border-bottom: 1px solid var(--rule);
}
.person-name {
  font-family: var(--display);
  font-size: clamp(27px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.032em;
  line-height: 1;
  margin: 0;
}

@media (max-width: 820px) {
  .studio-grid { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- Cara kerja ---------- */
/* Empat kartu, jadi kolomnya disebut eksplisit: 4 / 2 / 1. auto-fit dengan
   minmax(258px) hanya memuat TIGA pada lebar maksimum (4x258 + 3x24 = 1104 >
   1092 ruang yang tersedia), dan menyisakan satu kartu yatim di baris kedua. */
.principles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2.2vw, 24px);
}
@media (max-width: 1020px) {
  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .principles { grid-template-columns: minmax(0, 1fr); }
}
.principle {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r-card);
  padding: clamp(24px, 3vw, 32px);
  transition: transform .22s cubic-bezier(.2,.7,.3,1), box-shadow .22s ease;
}
.principle:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.principle h3 { margin-bottom: .45em; }
.principle p { color: var(--muted); font-size: 16.5px; margin: 0; }

.principle-rule {
  width: 34px;
  height: 3px;
  background: var(--brass);
  border-radius: 2px;
  margin-bottom: 20px;
}

/* ---------- Kontak ---------- */
.contact { text-align: left; }
.contact h2 { max-width: 18ch; }
.contact p {
  color: var(--on-nila-muted);
  font-size: clamp(18px, 2.1vw, 20px);
  max-width: 50ch;
}

.mail {
  display: inline-block;
  font-family: var(--display);
  font-size: clamp(24px, 4.6vw, 46px);
  font-weight: 700;
  letter-spacing: -0.035em;
  color: var(--on-nila);
  text-decoration: none;
  margin-top: 14px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--brass);
  transition: color .2s ease, border-color .2s ease;
  overflow-wrap: anywhere;
}
.mail:hover { color: var(--brass); border-color: var(--on-nila); }

/* ---------- Kaki ---------- */
.site-footer {
  background: var(--nila-deep);
  color: var(--on-nila-muted);
  padding-block: 40px;
  font-size: 15px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 28px;
}
.footer-inner a { color: var(--on-nila-muted); text-decoration: none; }
.footer-inner a:hover { color: var(--on-nila); text-decoration: underline; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 22px; }

/* ---------- Halaman 404 ---------- */
.stub {
  min-height: 72vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: var(--section-y);
}
.stub .wrap { max-width: 60ch; }
.stub p { color: var(--muted); margin-bottom: 26px; }

/* ---------- Animasi masuk ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}