/* Pantau Bercak Minyak — tema terang (selaras CAYMAN), tipografi IBM Plex */
:root {
  --bg: #f5f8fa; --bg-alt: #eaf1f5; --card: #ffffff; --line: #d5e1e8; --line-strong: #a9bfcc;
  --fg: #12263a; --muted: #4f6476; --navy: #0b2545; --teal: #0e7490; --teal-soft: #d8eef3;
  --cek: #dc2626; --palsu: #94a3b8; --warn: #a16207; --warn-soft: #fdf6e3;
  --radius: 10px;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --cond: "IBM Plex Sans Condensed", "IBM Plex Sans", system-ui, sans-serif;
}
html { color-scheme: light; scroll-behavior: smooth; scroll-padding-top: 72px; }
* { box-sizing: border-box; }
body { margin: 0; font: 400 1rem/1.6 var(--sans); color: var(--fg); background: var(--bg); overflow-x: hidden; font-variant-numeric: tabular-nums; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
a { color: var(--teal); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
h1, h2, h3 { font-family: var(--cond); color: var(--navy); letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); line-height: 1.08; font-weight: 700; margin: 0 0 18px; }
h2 { font-size: clamp(1.45rem, 2.6vw, 1.9rem); line-height: 1.2; font-weight: 600; margin: 0 0 8px; }
h3 { font-size: 1.08rem; font-weight: 600; margin: 0 0 6px; }
.lead { color: var(--muted); font-size: 1.06rem; max-width: 68ch; margin: 0 0 8px; }
.lead.small { font-size: .98rem; }

/* navigasi */
.topbar { position: sticky; top: 0; z-index: 1000; background: rgba(245, 248, 250, .92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 58px; gap: 16px; flex-wrap: wrap; }
.brand { font: 700 1.05rem var(--cond); color: var(--navy); text-decoration: none; display: flex; align-items: center; gap: 10px; }
.brand-drop { width: 12px; height: 12px; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); background: var(--navy); box-shadow: inset -3px -3px 0 var(--teal); }
.links { display: flex; gap: 20px; font-size: .9rem; flex-wrap: wrap; }
.links a { color: var(--muted); text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.links a:hover { color: var(--navy); border-bottom-color: var(--teal); }
.links a.balik { color: var(--teal); font-weight: 600; }

/* pembuka: teks kiri, citra radar asli kanan */
.hero { padding: 52px 0 40px; background: var(--card); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 44px; align-items: center; }
.status { display: inline-flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--muted); margin-bottom: 16px; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--warn); }
.citra { margin: 0; }
.citra img { width: 100%; height: auto; display: block; border-radius: var(--radius); border: 1px solid var(--line-strong); }
.citra figcaption { font-size: .82rem; color: var(--muted); margin-top: 8px; line-height: 1.45; }
.citra figcaption b { color: var(--cek); }
.spek { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 40px; border-top: 2px solid var(--navy); }
.spek div { padding: 14px 18px 4px 0; }
.spek div + div { padding-left: 18px; border-left: 1px solid var(--line); }
.spek b { display: block; font: 600 1.9rem/1.1 var(--cond); color: var(--navy); }
.spek span { display: block; color: var(--muted); font-size: .84rem; margin-top: 6px; max-width: 30ch; }
.peringatan { background: var(--warn-soft); border: 1px solid #ecd9a6; border-radius: var(--radius); padding: 14px 18px; margin: 28px 0 0; font-size: .94rem; max-width: 92ch; }
.peringatan b { color: var(--warn); }

/* bagian */
.section { padding: 64px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.kepala { margin-bottom: 24px; }

/* peta */
.baca { display: flex; gap: 20px; flex-wrap: wrap; font-size: .88rem; color: var(--muted); margin: 4px 0 16px; }
.baca span::before { content: ""; display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 7px; vertical-align: -1px; background: var(--c); border: 1px solid rgba(0,0,0,.15); }
.peta-grid { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 18px; align-items: start; }
.daftar { display: flex; flex-direction: column; gap: 6px; max-height: 780px; overflow: auto; padding-right: 4px; }
.lin { text-align: left; background: var(--card); border: 1px solid var(--line); border-left: 4px solid transparent; border-radius: 8px; padding: 10px 12px; cursor: pointer; color: var(--fg); font: inherit; transition: border-color .15s; }
.lin:hover { border-color: var(--line-strong); }
.lin.aktif { border-color: var(--line-strong); border-left-color: var(--teal); background: #fbfdfe; }
.lin b { display: block; font-size: .95rem; font-family: var(--cond); font-weight: 600; color: var(--navy); }
.lin .meta { display: block; font-size: .8rem; color: var(--muted); margin-top: 2px; }
.badge { display: inline-block; font-size: .72rem; font-weight: 600; padding: 0 8px; border-radius: 999px; margin: 3px 0 1px; background: var(--bg-alt); color: var(--muted); }
.badge.kejadian { background: #fde8e8; color: #b91c1c; }
.badge.tenang { background: var(--warn-soft); color: var(--warn); }
.info { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 12px; font-size: .93rem; }
.info > b:first-child { font: 600 1.05rem var(--cond); color: var(--navy); }
.info .angka { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 4px; font-size: .84rem; }
.info .angka span { background: var(--bg-alt); border-radius: 6px; padding: 2px 9px; }
.map { height: 540px; border-radius: var(--radius); border: 1px solid var(--line-strong); background: #e5e1d6; }
.leaflet-popup-content { font: .88rem/1.5 var(--sans); }
.toggle { display: inline-flex; gap: 6px; align-items: center; margin: 12px 18px 12px 0; font-size: .9rem; color: var(--muted); }
.tag { padding: 1px 8px; border-radius: 999px; font-size: .8rem; font-weight: 600; }
.tag.cek { background: #fde8e8; color: #b91c1c; } .tag.palsu { background: #eef2f6; color: #475569; }
.tabel-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: .87rem; }
th { font-weight: 600; color: var(--muted); background: #f8fafb; font-size: .8rem; }
th, td { padding: 8px 12px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
th:nth-child(2), td:nth-child(2) { text-align: left; }
tbody tr { cursor: pointer; } tbody tr:hover { background: var(--teal-soft); }

/* cara kerja: urutan nyata -> garis waktu bernomor */
.langkah { list-style: none; padding: 0; margin: 28px 0 0; counter-reset: l; display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; }
.langkah::before { content: ""; position: absolute; top: 15px; left: 16px; right: 16px; height: 2px; background: var(--line-strong); }
.langkah li { counter-increment: l; position: relative; padding: 0 16px 0 0; font-size: .9rem; color: var(--muted); }
.langkah li::before { content: counter(l); position: relative; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--navy); color: #fff; font: 600 .95rem var(--cond); margin-bottom: 12px; box-shadow: 0 0 0 5px var(--bg); }
.langkah li b { display: block; color: var(--navy); font: 600 1rem var(--cond); margin-bottom: 4px; }
.istilah { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 40px; border-top: 1px solid var(--line); }
.istilah div { padding: 14px 18px 0 0; font-size: .88rem; color: var(--muted); }
.istilah div + div { padding-left: 18px; border-left: 1px solid var(--line); }
.istilah b { color: var(--navy); }

/* hasil uji: tiga kolom berderet dengan garis, bukan kartu seragam */
.kartu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.kartu { padding: 20px 22px; }
.kartu + .kartu { border-left: 1px solid var(--line); }
.kartu .angka-besar { font: 600 2.2rem/1 var(--cond); color: var(--navy); margin-bottom: 6px; }
.kartu ul { margin: 8px 0 0; padding-left: 18px; font-size: .92rem; }
.kartu li { margin-bottom: 6px; }

/* yang belum pasti */
.ragu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 36px; counter-reset: r; }
.ragu { padding: 18px 0 18px 18px; border-left: 3px solid var(--warn); border-bottom: 1px solid var(--line); margin-bottom: 14px; background: linear-gradient(90deg, var(--warn-soft), transparent 60%); border-radius: 0 6px 6px 0; }
.ragu h3 { margin: 0 0 4px; }
.ragu p { margin: 4px 0; font-size: .92rem; max-width: 62ch; }
.ragu .butuh { display: block; margin-top: 8px; font-size: .84rem; font-weight: 600; color: var(--warn); }

figure.sebaran { margin: 24px 0 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
figure.sebaran img { width: 100%; height: auto; display: block; }
figure.sebaran figcaption { font-size: .86rem; color: var(--muted); padding: 8px 4px 0; }

.sumber { color: var(--muted); font-size: .92rem; max-width: 92ch; padding-left: 18px; }
.sumber li { margin-bottom: 6px; }
.peneliti { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 32px; align-items: start; max-width: 900px; }
.peneliti img { width: 180px; height: 180px; border-radius: 50%; object-fit: cover; border: 4px solid var(--card); box-shadow: 0 0 0 1px var(--line-strong); }
.peneliti .nama { font: 600 1.4rem var(--cond); color: var(--navy); margin: 4px 0 0; }
.peneliti .peran { color: var(--teal); font-weight: 600; margin: 2px 0 12px; }
.peneliti p { max-width: 68ch; }
.peneliti .tautan { display: flex; gap: 20px; flex-wrap: wrap; font-weight: 600; }
@media (max-width: 640px) { .peneliti { grid-template-columns: 1fr; } .peneliti img { width: 128px; height: 128px; } }
footer { padding: 28px 0 36px; border-top: 1px solid var(--line); font-size: .86rem; color: var(--muted); background: var(--card); }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .langkah { grid-template-columns: repeat(2, 1fr); gap: 24px 0; }
  .langkah::before { display: none; }
}
@media (max-width: 860px) {
  .spek { grid-template-columns: repeat(2, 1fr); }
  .spek div:nth-child(3) { border-left: 0; padding-left: 0; }
  .peta-grid { grid-template-columns: 1fr; }
  .daftar { flex-direction: row; overflow-x: auto; max-height: none; padding-bottom: 6px; }
  .lin { min-width: 230px; }
  .map { height: 420px; }
  .kartu-grid, .ragu-grid, .istilah { grid-template-columns: 1fr; }
  .kartu + .kartu { border-left: 0; border-top: 1px solid var(--line); }
  .istilah div + div { border-left: 0; padding-left: 0; }
  .links { gap: 14px; font-size: .85rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }