/* ============================================================
   Portal Ceramica — Design System
   Modern, ringan, tanpa framework. Dioptimalkan untuk
   Core Web Vitals (LCP/INP/CLS) & aksesibilitas.
   ============================================================ */

:root {
  --clay: #b5542d;          /* terakota — warna utama */
  --clay-dark: #8f3f1f;
  --clay-light: #fdf0e9;
  --ink: #1f2429;           /* teks utama */
  --ink-soft: #4b555e;      /* teks sekunder */
  --line: #e6e1db;
  --bg: #faf8f5;            /* latar hangat */
  --card: #ffffff;
  --radius: 14px;
  --maxw: 1120px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: var(--clay); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* Skip link — aksesibilitas */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: .6rem 1rem;
  border-radius: 0 0 var(--radius) 0; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 64px;
}
.brand {
  display: flex; align-items: center; gap: .6rem;
  font-weight: 700; font-size: 1.2rem; color: var(--ink);
  letter-spacing: -.01em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; flex: none;
  border-radius: 9px;
}
.brand small { color: var(--clay); font-weight: 600; }

.site-nav { display: flex; gap: .25rem; align-items: center; flex-wrap: wrap; }
.site-nav a {
  color: var(--ink-soft); font-weight: 500; font-size: .95rem;
  padding: .5rem .8rem; border-radius: 8px;
}
.site-nav a:hover { background: var(--clay-light); color: var(--clay-dark); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--clay-dark); background: var(--clay-light); font-weight: 600; }

/* Toggle nav mobile (CSS-only, tanpa JS => INP aman) */
.nav-toggle { display: none; }
.nav-toggle-label {
  display: none; cursor: pointer; padding: .5rem;
  border: 1px solid var(--line); border-radius: 8px;
}
.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  display: block; width: 20px; height: 2px;
  background: var(--ink); position: relative; content: "";
}
.nav-toggle-label span::before { position: absolute; top: -6px; }
.nav-toggle-label span::after  { position: absolute; top: 6px; }

@media (max-width: 760px) {
  .nav-toggle-label { display: block; }
  .site-nav {
    display: none; width: 100%; flex-direction: column; align-items: stretch;
    padding: .5rem 0 1rem;
  }
  .site-nav a { padding: .75rem 1rem; }
  .nav-toggle:checked ~ .site-nav { display: flex; }
  .header-inner { flex-wrap: wrap; }
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1200px 400px at 85% -10%, rgba(181,84,45,.14), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
  padding: 4rem 0 3.5rem;
}
.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.15; letter-spacing: -.02em;
  margin: 0 0 1rem; max-width: 22ch;
}
.hero h1 em { color: var(--clay); font-style: normal; }
.hero p.lead {
  font-size: 1.13rem; color: var(--ink-soft);
  max-width: 58ch; margin: 0 0 1.75rem;
}
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: .8rem 1.5rem; border-radius: 10px;
  font-weight: 600; font-size: 1rem; border: 1px solid transparent;
}
.btn-primary { background: var(--clay); color: #fff; }
.btn-primary:hover { background: var(--clay-dark); text-decoration: none; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--card); }
.btn-ghost:hover { border-color: var(--clay); color: var(--clay-dark); text-decoration: none; }

/* ---------- Sections ---------- */
.section { padding: 3.5rem 0; }
.section-head { max-width: 62ch; margin-bottom: 2rem; }
.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -.015em; margin: 0 0 .5rem;
}
.section-head p { color: var(--ink-soft); margin: 0; }
.section-alt { background: #fff; border-block: 1px solid var(--line); }

/* ---------- Grid kartu ---------- */
.grid { display: grid; gap: 1.25rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
  transition: box-shadow .18s ease, transform .18s ease;
}
.card:hover { box-shadow: 0 10px 28px rgba(31,36,41,.09); transform: translateY(-2px); }
.card-thumb {
  aspect-ratio: 16 / 9;             /* reservasi ruang => CLS 0 */
  background: linear-gradient(135deg, var(--clay-light), #f3e3d8);
  display: grid; place-items: center;
  color: var(--clay); font-size: 2.2rem;
}
.card-body { padding: 1.1rem 1.25rem 1.35rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.card-body h3 { margin: 0; font-size: 1.08rem; line-height: 1.35; letter-spacing: -.01em; }
.card-body h3 a { color: var(--ink); }
.card-body h3 a:hover { color: var(--clay-dark); }
.card-body p { margin: 0; color: var(--ink-soft); font-size: .94rem; }
.card-meta { margin-top: auto; padding-top: .5rem; font-size: .82rem; color: var(--ink-soft); }
.tag {
  display: inline-block; background: var(--clay-light); color: var(--clay-dark);
  font-size: .76rem; font-weight: 600; padding: .18rem .6rem;
  border-radius: 999px; width: fit-content;
}

/* ---------- Daftar kategori ---------- */
.cat-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
@media (max-width: 900px) { .cat-list { grid-template-columns: repeat(2, 1fr); } }
.cat-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem; text-align: center; color: var(--ink); font-weight: 600;
}
.cat-item:hover { border-color: var(--clay); color: var(--clay-dark); text-decoration: none; }
.cat-item .cat-icon { font-size: 1.7rem; display: block; margin-bottom: .4rem; }

/* ---------- Artikel (halaman baca) ---------- */
.article-page { padding: 3rem 0 4rem; }
.article-page .prose { max-width: 72ch; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 3rem); }
.prose h1 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); line-height: 1.2; letter-spacing: -.02em; margin: .25rem 0 .75rem; }
.prose h2 { font-size: 1.45rem; margin-top: 2.25rem; letter-spacing: -.01em; }
.prose h3 { font-size: 1.15rem; margin-top: 1.75rem; }
.prose .byline { color: var(--ink-soft); font-size: .9rem; margin-bottom: 1.5rem; display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: .95rem; }
.prose th, .prose td { border: 1px solid var(--line); padding: .6rem .8rem; text-align: left; }
.prose th { background: var(--clay-light); color: var(--clay-dark); }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose blockquote {
  margin: 1.5rem 0; padding: .9rem 1.25rem;
  border-left: 4px solid var(--clay); background: var(--clay-light);
  border-radius: 0 10px 10px 0; color: var(--ink-soft);
}
.breadcrumb { font-size: .86rem; color: var(--ink-soft); margin-bottom: 1rem; }
.breadcrumb ol { list-style: none; display: flex; gap: .4rem; flex-wrap: wrap; padding: 0; margin: 0; }
.breadcrumb li + li::before { content: "›"; margin-right: .4rem; color: var(--line); }

/* ---------- FAQ (details/summary — native, JS-free) ---------- */
.faq details {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 0; margin-bottom: .75rem; overflow: hidden;
}
.faq summary {
  cursor: pointer; font-weight: 600; padding: 1rem 1.25rem;
  list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 1.25rem; top: 50%;
  transform: translateY(-50%); color: var(--clay); font-size: 1.3rem;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0; padding: 0 1.25rem 1.1rem; color: var(--ink-soft); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink); color: #c8ced4;
  padding: 3rem 0 2rem; margin-top: 2rem; font-size: .93rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h2 { color: #fff; font-size: 1rem; margin: 0 0 .75rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .45rem; }
.site-footer a { color: #c8ced4; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #333c44; margin-top: 2rem; padding-top: 1.25rem;
  font-size: .84rem; color: #97a1aa;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}

/* ---------- Popup Selamat Datang ---------- */
.welcome-popup {
  position: fixed; inset: 0; z-index: 200;
  display: grid; place-items: center; padding: 1rem;
}
.welcome-popup[hidden] { display: none; }
.welcome-overlay {
  position: absolute; inset: 0;
  background: rgba(31, 36, 41, .62);
  backdrop-filter: blur(3px);
}
.welcome-card {
  position: relative; z-index: 1;
  background: var(--card); border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.75rem;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
  max-width: min(560px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  animation: popup-in .25s ease-out;
}
@keyframes popup-in {
  from { opacity: 0; transform: translateY(14px) scale(.97); }
  to   { opacity: 1; transform: none; }
}
.welcome-close {
  position: absolute; top: .6rem; right: .6rem;
  width: 36px; height: 36px; border: none; border-radius: 50%;
  background: var(--clay-light); color: var(--clay-dark);
  font-size: 1.35rem; line-height: 1; cursor: pointer;
}
.welcome-close:hover { background: var(--clay); color: #fff; }
.welcome-logo { width: 160px; height: auto; }
.welcome-banner {
  width: 500px; height: 500px;
  max-width: 100%; max-height: 55vh;
  object-fit: contain; border-radius: 10px;
}
/* Placeholder jika banner.png belum ada */
.welcome-banner.banner-placeholder {
  background: linear-gradient(135deg, var(--clay-light), #f3e3d8);
  border: 2px dashed var(--clay);
}
.welcome-btn { min-width: 220px; text-align: center; font-size: 1.05rem; }

/* ---------- Utilitas ---------- */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}