:root {
  --accent: #005B9A;
  --accent-dark: #004270;
  --accent-darker: #002d4d;
  --accent-light: #4d9fd4;
  --accent-rgb: 0, 91, 154;
  --text: #1e293b;
  --text-muted: #475569;
  --text-soft: #64748b;
  --border: #e2e8f0;
  --surface: #f8fafc;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: #fff;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
main { flex: 1; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { line-height: 1.2; color: #0f172a; font-weight: 700; }

table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .92rem; }
th, td { padding: .65rem .85rem; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--surface); font-weight: 600; color: #0f172a; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

.skip { position: absolute; left: -9999px; top: -9999px; z-index: 100; }
.skip:focus { left: 1rem; top: 1rem; background: var(--accent-darker); color: #fff; padding: .5rem 1rem; border-radius: 6px; }

/* ── Header ── */
.hdr {
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.nav__logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--accent-dark);
  letter-spacing: -.02em;
}
.nav__logo img { height: 36px; width: auto; }
.nav__logo:hover { text-decoration: none; color: var(--accent); }
.nav__toggle { display: none; }
.nav__burger { cursor: pointer; padding: .5rem; color: var(--text); display: flex; align-items: center; }
.nav__menu {
  display: none;
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: .5rem 0;
  box-shadow: var(--shadow);
}
.nav__menu a {
  display: block;
  padding: .75rem 1.5rem;
  color: var(--text);
  font-size: .92rem;
  font-weight: 500;
}
.nav__menu a:hover { background: var(--surface); text-decoration: none; color: var(--accent); }
.nav__toggle:checked ~ .nav__menu { display: block; }
@media (min-width: 768px) {
  .nav__burger { display: none; }
  .nav__menu {
    display: flex !important;
    position: static;
    border: 0;
    padding: 0;
    gap: .25rem;
    box-shadow: none;
  }
  .nav__menu a {
    padding: .45rem .75rem;
    border-radius: 8px;
    font-size: .875rem;
    font-weight: 600;
  }
  .nav__menu a:hover { background: rgba(var(--accent-rgb), .08); }
}

/* ── Breadcrumb ── */
.bc { background: var(--surface); border-bottom: 1px solid var(--border); font-size: .8rem; color: var(--text-muted); }
.bc ol { max-width: 1100px; margin: 0 auto; padding: .5rem 1.5rem; display: flex; gap: .2rem; flex-wrap: wrap; align-items: center; }
.bc li { display: flex; align-items: center; }
.bc li + li::before { content: "›"; margin-right: .35rem; color: var(--border); font-size: .9rem; line-height: 1; }
.bc a { color: var(--accent); font-weight: 500; }
.bc li:last-child { color: var(--text); font-weight: 600; }

/* ── Hero ── */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 5.5rem 0 4.5rem;
  text-align: center;
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent-darker) 55%, #0f172a 100%);
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 88% 18%, rgba(255, 255, 255, .14) 0%, transparent 42%),
    radial-gradient(circle at 12% 82%, rgba(255, 255, 255, .08) 0%, transparent 38%),
    radial-gradient(circle at 50% 120%, rgba(var(--accent-rgb), .35) 0%, transparent 55%);
}
.hero__inner { position: relative; z-index: 1; }
.hero__eyebrow {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .9);
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2);
  padding: .35rem .85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  margin-bottom: 1rem;
  letter-spacing: -.03em;
  font-weight: 800;
  color: #fff;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}
.hero__sub {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  max-width: 680px;
  margin: 0 auto .75rem;
  opacity: .94;
  line-height: 1.7;
  color: rgba(255, 255, 255, .92);
}
.hero__alt { font-size: .86rem; opacity: .78; margin-top: .5rem; color: rgba(255, 255, 255, .85); }

/* ── Homepage sections ── */
.section-heading {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  margin-bottom: 1rem;
  color: #0f172a;
  letter-spacing: -.02em;
}
.section-heading--center { text-align: center; }

.home-intro {
  padding: 2.5rem 0;
  background: linear-gradient(180deg, #fff 0%, var(--surface) 100%);
  border-bottom: 1px solid var(--border);
}
.home-intro__text {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.home-section { padding: 3.25rem 0; border-top: 1px solid var(--border); }
.home-section--alt { background: var(--surface); }
.home-section--pinned { border-top: 1px solid rgba(var(--accent-rgb), .2); background: linear-gradient(180deg, rgba(var(--accent-rgb), .04) 0%, #fff 100%); }
.home-section__inner { max-width: 780px; }
.home-section__body { color: var(--text-muted); line-height: 1.75; font-size: 1.02rem; }
.home-section__body p { margin-bottom: 1rem; }
.home-section__body p:last-child { margin-bottom: 0; }
.home-section__label {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent);
  background: rgba(var(--accent-rgb), .08);
  border: 1px solid rgba(var(--accent-rgb), .18);
  padding: .28rem .7rem;
  border-radius: 999px;
  margin-bottom: .75rem;
}
.home-section__lead { color: var(--text-soft); margin: -.25rem 0 1.25rem; font-size: .95rem; line-height: 1.6; }

.home-quicklinks {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px dashed #cbd5e1;
}
.home-quicklinks__label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-soft);
  margin-bottom: .75rem;
}
.home-quicklinks__inner { display: flex; flex-wrap: wrap; gap: .6rem; }
.home-quicklinks__link {
  display: inline-flex;
  align-items: center;
  padding: .5rem 1.1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .86rem;
  font-weight: 600;
  color: var(--accent-dark);
  box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
  transition: all .18s ease;
}
.home-quicklinks__link:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(var(--accent-rgb), .28);
  transform: translateY(-1px);
}
.home-section--alt .home-quicklinks__link { background: #fff; }

/* ── Topic cards ── */
.home-cards { padding: 3.5rem 0; background: #fff; }
.services { padding: 3.5rem 0; }
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
  margin-top: 2rem;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.card--topic { overflow: hidden; }
.card__stretch {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.6rem;
  color: inherit;
  text-decoration: none;
}
.card__stretch:hover { text-decoration: none; }
.card--topic:hover {
  border-color: rgba(var(--accent-rgb), .45);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--accent);
  background: rgba(var(--accent-rgb), .08);
  border: 1px solid rgba(var(--accent-rgb), .12);
}
.card__icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.08rem; margin-bottom: .5rem; color: #0f172a; font-weight: 700; }
.card p { font-size: .92rem; color: var(--text-muted); line-height: 1.6; flex: 1; }
.card__more {
  margin-top: 1rem;
  font-size: .82rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .01em;
}
.card--topic:hover .card__more { text-decoration: underline; }

@media (min-width: 640px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}

/* ── Network cards ── */
.wgrid { display: grid; grid-template-columns: 1fr; gap: .85rem; }
.wcard {
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  transition: all .18s ease;
  text-decoration: none;
  color: inherit;
}
.wcard__type {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--accent);
  margin-bottom: .35rem;
}
.wcard h3 { font-size: .98rem; color: var(--accent-dark); margin-bottom: .25rem; font-weight: 700; }
.wcard p { font-size: .82rem; color: var(--text-muted); }
.wcard:hover {
  border-color: rgba(var(--accent-rgb), .4);
  box-shadow: var(--shadow);
  text-decoration: none;
  transform: translateY(-1px);
}
@media (min-width: 600px) { .wgrid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .wgrid { grid-template-columns: repeat(3, 1fr); } }

.section__more { margin-top: 1.5rem; font-size: .9rem; font-weight: 600; }
.section__more a { color: var(--accent); }

/* ── FAQ ── */
.faq-preview, .faq-list { padding: 3.25rem 0; }
.faq-preview h2, .faq-list h2 { font-size: 1.4rem; margin-bottom: 1.25rem; }
.faq-preview { background: var(--surface); border-top: 1px solid var(--border); }
.faq-list details, .faq-preview details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: .65rem;
  background: #fff;
  overflow: hidden;
}
.faq-list details summary, .faq-preview details summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  font-size: .92rem;
  color: #0f172a;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}
.faq-list details summary::after, .faq-preview details summary::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--text-soft);
  font-weight: 400;
  flex-shrink: 0;
}
.faq-list details summary::-webkit-details-marker, .faq-preview details summary::-webkit-details-marker { display: none; }
.faq-list details summary:hover, .faq-preview details summary:hover { color: var(--accent); }
.faq-list details[open] summary, .faq-preview details[open] summary { border-bottom: 1px solid var(--border); }
.faq-list details[open] summary::after, .faq-preview details[open] summary::after { content: "−"; }
.faq-list details > div, .faq-list details > p, .faq-preview details > div, .faq-preview details > p {
  padding: 1rem 1.25rem;
  color: var(--text-muted);
  font-size: .92rem;
  line-height: 1.65;
}

/* ── Inner pages ── */
.page { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.page__header { margin-bottom: 2rem; border-bottom: 1px solid var(--border); padding-bottom: 1.5rem; }
.page h1 { font-size: clamp(1.5rem, 3.5vw, 2.15rem); letter-spacing: -.02em; margin-bottom: .5rem; }
.page__desc { font-size: 1rem; color: var(--text-muted); line-height: 1.65; }
.page-block { margin: 0 0 2rem; padding: 1.5rem 0; border-top: 1px solid var(--border); }
.page-block:first-child { border-top: 0; padding-top: 0; }
.page-block h2 { font-size: 1.3rem; margin: 0 0 .85rem; color: #0f172a; }
.page-block__body { color: var(--text-muted); line-height: 1.75; }
.page-block__body p { margin-bottom: .85rem; }
.page-block__body p:last-child { margin-bottom: 0; }

.prose h2 { font-size: 1.3rem; margin: 2.25rem 0 .75rem; padding-bottom: .5rem; border-bottom: 2px solid var(--border); }
.prose h3 { font-size: 1.1rem; margin: 1.75rem 0 .5rem; color: var(--accent-dark); }
.prose p { margin-bottom: 1rem; color: var(--text-muted); line-height: 1.65; }
.prose ul, .prose ol { margin: .75rem 0 1.25rem 1.5rem; color: var(--text-muted); }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose ul li, .prose ol li { margin-bottom: .3rem; line-height: 1.55; }
.prose strong { color: var(--text); }
.prose blockquote {
  border-left: 3px solid var(--accent);
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border-radius: 0 8px 8px 0;
}

/* ── Network page ── */
.net-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 1.5rem; }
.net-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  scroll-margin-top: 90px;
}
.net-card h2 { font-size: 1rem; color: var(--accent-dark); margin-bottom: .6rem; font-weight: 700; }
.net-card ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .25rem; }
.net-card ul li a { font-size: .85rem; color: var(--accent); word-break: break-all; }
@media (min-width: 600px) { .net-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .net-grid { grid-template-columns: repeat(3, 1fr); } }

.cta-box {
  margin-top: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.cta-box h2 { font-size: 1.1rem; margin-bottom: .4rem; color: var(--accent-dark); }

/* ── Footer ── */
.ftr { background: #0f172a; color: rgba(255, 255, 255, .72); padding: 3rem 0 1.5rem; font-size: .875rem; }
.ftr a { color: rgba(255, 255, 255, .72); }
.ftr a:hover { color: #fff; }
.ftr__grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
.ftr__about img { margin-bottom: .75rem; opacity: .92; }
.ftr__about p { line-height: 1.6; max-width: 340px; }
.ftr__links h3 { color: #fff; font-size: .9rem; margin-bottom: .6rem; font-weight: 600; }
.ftr__links ul { list-style: disc; padding-left: 1.1rem; }
.ftr__links ul li { margin-bottom: .1rem; }
.ftr__bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: .78rem;
  color: rgba(255, 255, 255, .55);
}
@media (min-width: 768px) { .ftr__grid { grid-template-columns: 2fr 1fr 1fr; } }

/* ── Legacy / misc ── */
.about { padding: 3rem 0; background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about__content { max-width: 780px; }
.about__content h2 { font-size: 1.4rem; margin-bottom: 1rem; }
.about__content p { color: var(--text-muted); margin-bottom: .85rem; line-height: 1.65; }
.about__links { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.25rem; }
.about__links a {
  display: inline-block;
  padding: .4rem 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent-dark);
}
.about__links a:hover { background: var(--accent); color: #fff; border-color: var(--accent); text-decoration: none; }

.wilayah { padding: 3rem 0; }
.wilayah h2 { font-size: 1.4rem; margin-bottom: .4rem; }
.wilayah > p { color: var(--text-muted); margin-bottom: 1.25rem; font-size: .95rem; }

.cross-net__project { border: 1px solid var(--border); border-radius: 8px; margin-bottom: .75rem; }
.cross-net__project summary {
  padding: .85rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  font-size: .95rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}
.cross-net__project summary::-webkit-details-marker { display: none; }
.cross-net__project summary::after { content: "+"; font-size: 1.1rem; color: #94a3b8; }
.cross-net__project[open] summary::after { content: "−"; }
.cross-net__project[open] summary { border-bottom: 1px solid var(--border); }
.cross-net__count { font-weight: 400; font-size: .8rem; color: #94a3b8; }
.cross-net__list { padding: .75rem 1.25rem; columns: 2; column-gap: 1.5rem; list-style: none; margin: 0; }
.cross-net__list li { padding: .2rem 0; font-size: .85rem; break-inside: avoid; }
.cross-net__list a { color: var(--text-muted); text-decoration: none; }
.cross-net__list a:hover { text-decoration: underline; color: var(--text); }
@media (min-width: 600px) { .cross-net__list { columns: 3; } }
@media (min-width: 900px) { .cross-net__list { columns: 4; } }

.net-nav { display: grid; grid-template-columns: 1fr; gap: .5rem; margin-bottom: 2rem; }
@media (min-width: 600px) {
  .net-nav--cols-2 { grid-template-columns: repeat(2, 1fr); }
  .net-nav--cols-3 { grid-template-columns: repeat(3, 1fr); }
  .net-nav--cols-4 { grid-template-columns: repeat(4, 1fr); }
  .net-nav--cols-5 { grid-template-columns: repeat(5, 1fr); }
}
.net-nav__btn {
  display: block;
  padding: .6rem 1rem;
  border: 1px solid #cbd5e1;
  border-radius: .5rem;
  font-size: .85rem;
  color: var(--text-muted);
  text-decoration: none;
  text-align: center;
  transition: all .2s;
}
.net-nav__btn:hover { background: var(--surface); border-color: #94a3b8; color: var(--text); text-decoration: none; }
.net-nav__btn--active { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }

.net-credit { margin-top: 2.5rem; text-align: center; font-size: .75rem; color: #cbd5e1; letter-spacing: .02em; }
.net-credit a { color: #94a3b8; text-decoration: none; }

.empty-state { border: 1px dashed #cbd5e1; border-radius: 16px; padding: 28px; background: var(--surface); color: #334155; }
.empty-state h2 { margin-top: 0; color: #0f172a; }