/* =====================================================================
   ShadowTeacher.id — style.css
   Mobile-first. No build step, no framework — plain CSS with variables.
   Design intent: educational, trustworthy, warm, calm (spec section 24).
   ===================================================================== */

:root {
  --color-primary: #0F6E5A;      /* deep teal — trust + education */
  --color-primary-dark: #0B5546;
  --color-primary-light: #E6F3EF;
  --color-accent: #F2A93B;       /* warm amber — friendly, human */
  --color-accent-dark: #D6890E;
  --color-ink: #1B2430;
  --color-ink-soft: #4A5568;
  --color-border: #E2E8F0;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7FAF9;
  --color-danger: #C0392B;
  --color-success: #1E7E4F;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(16, 24, 32, 0.08);
  --shadow-md: 0 6px 20px rgba(16, 24, 32, 0.10);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-w: 1160px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.55;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 0.5em; font-weight: 700; }
p { margin: 0 0 1em; color: var(--color-ink-soft); }
ul { margin: 0; padding: 0; list-style: none; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Accessibility ---- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--color-primary); color: #fff;
  padding: 10px 16px; z-index: 1000; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 22px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem; border: 2px solid transparent;
  cursor: pointer; min-height: 44px; text-decoration: none;
  transition: transform .12s ease, box-shadow .12s ease, background .15s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-outline { background: #fff; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary-light); }
.btn-ghost { background: transparent; color: var(--color-ink); }
.btn-ghost:hover { background: var(--color-bg-alt); }

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner { display: flex; align-items: center; gap: 20px; padding: 12px 20px; }
.logo { display: flex; align-items: center; gap: 8px; color: var(--color-ink); font-weight: 800; font-size: 1.15rem; }
.logo:hover { text-decoration: none; }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--color-primary); color: #fff; font-size: 0.85rem; font-weight: 800;
}
.logo-id { color: var(--color-accent-dark); }
.main-nav { display: none; margin-left: auto; }
.main-nav ul { display: flex; gap: 22px; }
.main-nav a { color: var(--color-ink); font-weight: 500; font-size: 0.95rem; }
.main-nav a:hover { color: var(--color-primary); text-decoration: none; }
.header-actions { display: none; align-items: center; gap: 10px; margin-left: auto; }
.hamburger {
  margin-left: auto; background: none; border: none; width: 44px; height: 44px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  cursor: pointer;
}
.hamburger span { width: 22px; height: 2px; background: var(--color-ink); border-radius: 2px; }
.mobile-search-bar { padding: 0 20px 12px; }
.mobile-search-form { display: flex; gap: 8px; }
.mobile-search-form input {
  flex: 1; padding: 12px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); font-size: 1rem; min-height: 44px;
}
.mobile-search-form button {
  min-width: 48px; border-radius: var(--radius-sm); border: none;
  background: var(--color-primary); color: #fff; font-size: 1.1rem; cursor: pointer;
}
.mobile-nav { border-bottom: 1px solid var(--color-border); background: #fff; }
.mobile-nav ul { padding: 8px 20px 16px; display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a {
  display: block; padding: 12px 4px; color: var(--color-ink); font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}
.mobile-nav-actions { display: flex; gap: 10px; padding-top: 12px; border-bottom: none !important; }
.mobile-nav-actions .btn { flex: 1; }

@media (min-width: 900px) {
  .main-nav { display: block; }
  .header-actions { display: flex; }
  .hamburger, .mobile-search-bar, .mobile-nav { display: none; }
}

/* ---- Breadcrumbs ---- */
.breadcrumbs { padding: 14px 0 0; font-size: 0.85rem; color: var(--color-ink-soft); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumbs li:not(:last-child)::after { content: "›"; margin-left: 6px; color: var(--color-border); }
.breadcrumbs a { color: var(--color-ink-soft); }
.breadcrumbs [aria-current="page"] { color: var(--color-ink); font-weight: 600; }

/* ---- Hero / Search ---- */
.hero { background: linear-gradient(180deg, var(--color-primary-light) 0%, #fff 100%); padding: 40px 0 24px; }
.hero-grid { display: grid; gap: 28px; }
.hero-copy h1 { font-size: 1.9rem; color: var(--color-ink); }
.hero-sub { font-size: 1.05rem; margin-bottom: 20px; }
.search-box {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 20px; box-shadow: var(--shadow-md);
}
.search-box-title { font-size: 1rem; font-weight: 700; margin-bottom: 14px; }
.search-form { display: grid; gap: 12px; }
.search-field {
  display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; font-weight: 600; color: var(--color-ink-soft);
}
.search-field select, .search-field input {
  min-height: 46px; padding: 10px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); font-size: 1rem; background: #fff; color: var(--color-ink);
}
.search-submit { min-height: 48px; font-size: 1rem; }
.search-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.search-tags a {
  font-size: 0.82rem; padding: 6px 12px; border-radius: 999px;
  background: var(--color-bg-alt); border: 1px solid var(--color-border); color: var(--color-ink-soft);
}
.search-tags a:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }

@media (min-width: 900px) {
  .hero { padding: 64px 0 40px; }
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; align-items: center; }
  .hero-copy h1 { font-size: 2.6rem; }
  .search-form { grid-template-columns: 1fr 1fr; }
  .search-submit { grid-column: 1 / -1; }
}

/* ---- Sections ---- */
.section { padding: 48px 0; }
.section-alt { background: var(--color-bg-alt); }
.section h2 { font-size: 1.5rem; }
.section-note { color: var(--color-ink-soft); margin-top: -8px; margin-bottom: 24px; }
.section-more { text-align: center; margin-top: 28px; }

/* ---- Grids / cards ---- */
.city-grid, .teacher-grid, .article-grid, .need-grid { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
.job-list { display: grid; gap: 14px; }
@media (min-width: 640px) { .city-grid, .need-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) {
  .city-grid { grid-template-columns: repeat(4, 1fr); }
  .teacher-grid, .article-grid { grid-template-columns: repeat(3, 1fr); }
}

.city-card, .teacher-card, .article-card, .job-card, .cta-card, .stat-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 18px; box-shadow: var(--shadow-sm); transition: box-shadow .15s ease, transform .15s ease;
}
a.city-card:hover, a.teacher-card:hover, a.article-card:hover, a.job-card:hover {
  box-shadow: var(--shadow-md); transform: translateY(-2px); text-decoration: none;
}
.city-card { display: block; text-align: center; }
.city-name { font-weight: 700; color: var(--color-ink); display: block; }
.city-province { font-size: 0.8rem; color: var(--color-ink-soft); }

.need-chip {
  display: block; padding: 14px; text-align: center; border-radius: var(--radius-md);
  background: var(--color-primary-light); color: var(--color-primary-dark); font-weight: 600; font-size: 0.92rem;
}
.need-chip:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

.teacher-card { display: block; color: var(--color-ink); }
.teacher-photo {
  width: 100%; aspect-ratio: 1/1; border-radius: var(--radius-sm); object-fit: cover;
  background: var(--color-bg-alt); margin-bottom: 12px;
}
.teacher-info h3 { font-size: 1rem; margin-bottom: 2px; }
.badge-verified {
  display: inline-block; font-size: 0.72rem; font-weight: 700; color: #fff;
  background: var(--color-success); padding: 2px 8px; border-radius: 999px; margin-left: 6px; vertical-align: middle;
}

.article-category { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; color: var(--color-accent-dark); letter-spacing: .02em; }
.article-card h3 { font-size: 1.02rem; margin: 6px 0; }
.article-date { font-size: 0.8rem; color: var(--color-ink-soft); }

.job-card { display: flex; flex-direction: column; gap: 4px; }
.job-card h3 { font-size: 1.05rem; margin-bottom: 2px; }
.job-meta { display: flex; flex-wrap: wrap; gap: 8px; font-size: 0.82rem; color: var(--color-ink-soft); }
.job-meta span { background: var(--color-bg-alt); padding: 3px 10px; border-radius: 999px; }
.job-date { font-size: 0.78rem; color: var(--color-ink-soft); margin-top: 4px; }

/* ---- Steps (Cara Kerja) ---- */
.steps-grid { display: grid; gap: 20px; }
@media (min-width: 900px) { .steps-grid { grid-template-columns: repeat(4, 1fr); } }
.step { text-align: center; padding: 8px; }
.step-num {
  width: 44px; height: 44px; border-radius: 50%; background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; margin: 0 auto 12px;
}

/* ---- Stats ---- */
.stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 24px 0; }
.stat-card { text-align: center; }
.stat-card strong { display: block; font-size: 1.4rem; color: var(--color-primary); }
.stat-card span { font-size: 0.8rem; color: var(--color-ink-soft); }

/* ---- FAQ ---- */
.faq-list { display: grid; gap: 10px; }
.faq-item {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 4px 18px;
}
.faq-item summary { cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 1.3rem; color: var(--color-primary); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding-bottom: 14px; margin: 0; }

/* ---- CTA ---- */
.cta-section { background: var(--color-primary); color: #fff; }
.cta-section h2 { color: #fff; }
.cta-grid { display: grid; gap: 16px; }
@media (min-width: 900px) { .cta-grid { grid-template-columns: repeat(4, 1fr); } }
.cta-card { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); text-align: center; color: #fff; }
.cta-card h3 { color: #fff; font-size: 1rem; }
.cta-card p { color: rgba(255,255,255,0.8); font-size: 0.88rem; }
.cta-card .btn-outline { background: #fff; }

.disclaimer { font-size: 0.78rem; color: var(--color-ink-soft); margin-top: 24px; border-top: 1px solid var(--color-border); padding-top: 16px; }

/* ---- Generic page/content layout (kota, provinsi, artikel, profil, static pages) ---- */
.page-container { padding: 24px 0 56px; }
.prose { max-width: 760px; }
.prose h2 { font-size: 1.3rem; margin-top: 1.6em; }
.prose h3 { font-size: 1.1rem; margin-top: 1.3em; }
.prose-list { list-style: disc; padding-left: 1.3em; margin-bottom: 1em; }
.prose-list li { margin-bottom: 0.4em; color: var(--color-ink-soft); }

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.filter-bar select, .filter-bar input {
  min-height: 42px; padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
}

.notice { padding: 14px 18px; border-radius: var(--radius-sm); background: var(--color-primary-light); color: var(--color-primary-dark); margin: 16px 0; font-size: 0.92rem; }
.notice-warning { background: #FDF3E7; color: #8A5A16; }

.empty-state, .not-found {
  text-align: center; padding: 40px 20px; background: var(--color-bg-alt);
  border-radius: var(--radius-md); color: var(--color-ink-soft);
}

/* ---- Profile page ---- */
.profile-header { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; padding: 24px 0; }
.profile-photo { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; background: var(--color-bg-alt); }
.profile-location { color: var(--color-ink-soft); font-size: 0.92rem; }
.profile-cta { display: flex; gap: 10px; justify-content: center; margin-top: 12px; flex-wrap: wrap; }
@media (min-width: 700px) { .profile-header { flex-direction: row; text-align: left; } }

/* ---- Footer ---- */
.site-footer { background: var(--color-ink); color: #CBD5E0; padding: 48px 0 0; margin-top: 40px; }
.footer-grid { display: grid; gap: 28px; grid-template-columns: repeat(2, 1fr); padding-bottom: 32px; }
.footer-brand p { color: #A0AEC0; font-size: 0.88rem; margin-top: 10px; }
.footer-brand .logo { color: #fff; }
.footer-col h3 { color: #fff; font-size: 0.9rem; text-transform: uppercase; letter-spacing: .03em; margin-bottom: 12px; }
.footer-col ul { display: grid; gap: 8px; }
.footer-col a { color: #A0AEC0; font-size: 0.9rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 18px 0 24px; font-size: 0.8rem; color: #8290A3; }
@media (min-width: 700px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1000px) { .footer-grid { grid-template-columns: 1.4fr repeat(4, 1fr); } }

/* ---- Utility ---- */
.text-center { text-align: center; }