/* =========================================================
   JAZMI — SAINS (C11)
   sains.css
   Token & pola header/nav/footer disalin PERSIS dari kontrak
   C01 (3.1 Design Token, 6.1 Markup Nav Kanonis, 4.2 Footer),
   diaudit ulang dari implementasi C08 (Kesehatan Core) sebagai
   referensi terdekat. Tidak ada mekanisme import lintas file
   di situs statis ini, sehingga blok token disalin ulang di
   sini sesuai instruksi 3.3.
   ========================================================= */
:root {
  /* Warna — "zamrud" (emerald) sebagai jangkar identitas */
  --bg: #F6F1E4;
  --bg-alt: #EEE6D2;
  --surface: #FFFFFF;
  --ink: #1E2A22;
  --ink-soft: #4B5A50;
  --ink-faint: #8A8672;

  --emerald-deep: #0F3D2E;
  --emerald: #1C5C42;
  --emerald-soft: #2F7A57;

  --brass: #A9812F;
  --brass-soft: #D8C08A;
  --brass-line: #D9CBA3;

  --line: #DDD3B8;
  --line-soft: #E9E1CC;

  /* Tipografi */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Karla', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-arabic: 'Amiri', 'Traditional Arabic', 'Scheherazade New', serif;

  /* Skala & ritme */
  --radius: 4px;
  --shadow-soft: 0 1px 2px rgba(15, 61, 46, 0.06), 0 8px 24px -12px rgba(15, 61, 46, 0.18);
  --max-width: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================================================
   Reset dasar (disalin dari HOME agar konsisten)
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: none; cursor: pointer; }

h1, h2, h3 { font-family: var(--font-display); margin: 0; color: var(--emerald-deep); }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--emerald-deep);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus {
  left: 0;
}

/* =========================================================
   Layout util (disalin dari HOME)
   ========================================================= */
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: clamp(2.75rem, 6vw, 5rem) 0;
}
.section-alt {
  background: var(--bg-alt);
}

.section-head {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  max-width: 640px;
}
.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 0.5rem;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 600;
  line-height: 1.25;
}
.section-desc {
  color: var(--ink-soft);
  margin: 0.6rem 0 0;
  font-size: 0.98rem;
}

/* =========================================================
   Header / Navigasi (disalin dari HOME — hanya path & is-active
   yang berbeda, sesuai kontrak 4.2 / 6.1)
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 241, 228, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.85rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.wordmark-mark {
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  background: var(--emerald-deep);
  color: var(--brass-soft);
  font-family: var(--font-arabic);
  font-size: 1.2rem;
  flex-shrink: 0;
}
.wordmark-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.wordmark-main {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--emerald-deep);
  letter-spacing: 0.02em;
}
.wordmark-sub {
  font-size: 0.68rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0.4rem;
}
.nav-toggle-bar {
  display: block;
  height: 2px;
  background: var(--emerald-deep);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-nav {
  position: fixed;
  inset: 4.1rem 0 0 0;
  background: var(--bg);
  padding: 1.5rem var(--gutter) 2rem;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
  overflow-y: auto;
}
.primary-nav.is-open {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}
.primary-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.primary-nav a {
  display: block;
  padding: 0.85rem 0.25rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--emerald-deep);
  border-bottom: 1px solid var(--line-soft);
}
.primary-nav a.is-active {
  color: var(--brass);
}

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .primary-nav {
    position: static;
    inset: auto;
    background: transparent;
    padding: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    overflow: visible;
  }
  .primary-nav ul {
    flex-direction: row;
    align-items: center;
    gap: clamp(1rem, 2vw, 1.75rem);
  }
  .primary-nav a {
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 600;
    padding: 0.3rem 0.1rem;
    border-bottom: 2px solid transparent;
  }
  .primary-nav a:hover,
  .primary-nav a.is-active {
    color: var(--emerald-deep);
    border-bottom-color: var(--brass);
  }
}

/* =========================================================
   Breadcrumb (disalin pola dari C08)
   ========================================================= */
.breadcrumb {
  border-bottom: 1px solid var(--line-soft);
}
.breadcrumb-inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
  font-size: 0.82rem;
  color: var(--ink-faint);
}
.breadcrumb a { color: var(--ink-soft); font-weight: 600; }
.breadcrumb a:hover { color: var(--emerald-deep); }
.breadcrumb-sep { color: var(--ink-faint); }
.breadcrumb [aria-current="page"] { color: var(--emerald-deep); font-weight: 600; }

/* =========================================================
   Hero Ranah Sains (disalin pola dari C08 ".domain-hero")
   ========================================================= */
.domain-hero {
  padding: clamp(2.5rem, 7vw, 4.5rem) 0 clamp(1.75rem, 4vw, 2.5rem);
}
.domain-hero-inner {
  max-width: 680px;
}
.domain-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 0.9rem;
}
.domain-title {
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--emerald-deep);
}
.domain-desc {
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  max-width: 60ch;
}

/* =========================================================
   Akses Utama — access grid (disalin pola dari C08)
   ========================================================= */
.access-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .access-grid { grid-template-columns: repeat(3, 1fr); }
}

.access-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--emerald);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}
.access-card:hover {
  transform: translateY(-3px);
  border-top-color: var(--brass);
}
.access-card-title {
  font-size: 1.15rem;
  font-weight: 600;
}
.access-card-desc {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin: 0;
  flex-grow: 1;
}
.access-card-link {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--emerald);
}
.access-card:hover .access-card-link {
  color: var(--brass);
}

.access-note {
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  color: var(--ink-faint);
  font-size: 0.88rem;
  font-style: italic;
}

/* ---------------------------------------------------------
   Varian "Segera Hadir" (komponen lokal baru C11) — dipakai
   untuk C12/C13 yang belum tersedia. Bukan <a>, tidak
   mengarah ke mana pun, tidak memakai href="#".
   --------------------------------------------------------- */
.access-card-soon {
  border-top-color: var(--line);
  cursor: default;
}
.access-card-soon:hover {
  transform: none;
  border-top-color: var(--line);
}
.access-card-badge {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
}

/* =========================================================
   Konten Pilihan — featured grid (komponen lokal baru C11)
   ========================================================= */
.demo-badge {
  display: inline-block;
  margin: 0 0 1.25rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--emerald-deep);
  background: var(--surface);
  border: 1px solid var(--brass-line);
  border-radius: var(--radius);
  padding: 0.35rem 0.75rem;
}

.featured-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
}
@media (min-width: 640px) {
  .featured-grid { grid-template-columns: repeat(3, 1fr); }
}

.featured-card {
  padding: 1.35rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.featured-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.featured-card-desc {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin: 0;
}

/* ---------------------------------------------------------
   Tombol (disalin pola dari C09 ".btn")
   --------------------------------------------------------- */
.btn {
  display: inline-block;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn-outline {
  color: var(--emerald-deep);
  border: 1.5px solid var(--emerald);
  background: transparent;
}
.btn-outline:hover {
  background: var(--emerald-deep);
  border-color: var(--emerald-deep);
  color: #fff;
}

/* =========================================================
   Footer (disalin dari HOME — hanya path yang berbeda)
   ========================================================= */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  padding: clamp(2rem, 5vw, 3rem) 0;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.footer-identity {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.footer-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--emerald-deep);
}
.footer-sub {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 600;
}
.footer-nav a { color: var(--ink-soft); }
.footer-nav a:hover { color: var(--emerald-deep); }
.footer-copy {
  margin: 0;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

@media (min-width: 640px) {
  .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; flex-wrap: wrap; }
  .footer-copy { width: 100%; order: 3; }
}

/* =========================================================
   Reveal-on-scroll (disalin dari HOME, dihormati prefers-reduced-motion)
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}


/* C19 — Selected Option C mobile navigation, propagated to main menu pages */
@media (max-width: 860px) {
  .primary-nav {
    min-height: calc(100vh - 4.1rem);
    padding: 1.5rem var(--gutter) 3rem;
    background: var(--surface);
    border-top: 2px solid var(--brass-line);
    box-shadow: var(--shadow-soft);
  }

  .primary-nav ul {
    gap: 0.35rem;
  }

  .primary-nav a {
    min-height: 64px;
    display: flex;
    align-items: center;
    padding: 1rem 0.9rem;
    font-size: 1.38rem;
  }

  .primary-nav a.is-active {
    background: var(--bg-alt);
    border-left: 3px solid var(--brass);
    padding-left: calc(0.9rem - 3px);
  }
}