/* RaudahQR — tema situs. Nada teknis-praktis: garis tegas, sudut tajam, aksen mono.
   Tanpa JavaScript sama sekali; menu ponsel memakai pola input[type=checkbox] + :checked. */

:root {
  --tinta: #1e3a5f;
  --tinta-pekat: #142942;
  --tinta-muda: #2c5285;
  --emas: #c9a227;
  --emas-terang: #eacd5e;
  --emas-tua: #7d6210;
  --emas-kabut: #fbf3da;
  --kertas: #ffffff;
  --kertas-abu: #f2f5f9;
  --teks: #16233a;
  --teks-lembut: #4b5971;
  --garis: #d7dfea;
  --wa: #12813f;
  --lebar: 1100px;
  --pias: 1.25rem;
  --lengkung: 5px;
  --mono: ui-monospace, "Cascadia Mono", "Segoe UI Mono", Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, "Segoe UI", Roboto, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.72;
  color: var(--teks);
  background: var(--kertas);
}

@media (min-width: 800px) { body { font-size: 18px; } }

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

a { color: var(--tinta-muda); }
a:hover { color: var(--tinta); }

a:focus-visible, summary:focus-visible, label:focus-visible, input:focus-visible {
  outline: 3px solid var(--emas);
  outline-offset: 2px;
}

.wadah { width: 100%; max-width: var(--lebar); margin: 0 auto; padding: 0 var(--pias); }

/* ================= kepala ================= */

.puncak {
  background: var(--tinta-pekat);
  color: #fff;
  border-bottom: 3px solid var(--emas);
  position: sticky;
  top: 0;
  z-index: 20;
}

.puncak .wadah {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  gap: 0.75rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 48px;
  color: #fff;
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.logo:hover { color: var(--emas-terang); }

/* penanda merek: siku kode QR, dibentuk dari border saja */
.logo-kode {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  border: 3px solid var(--emas);
  border-radius: 3px;
  position: relative;
}

.logo-kode::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--emas);
  border-radius: 1px;
}

#pilih-menu { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.tuas {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--lengkung);
  cursor: pointer;
}

.tuas span, .tuas span::before, .tuas span::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  position: relative;
}

.tuas span::before { position: absolute; top: -6px; }
.tuas span::after { position: absolute; top: 6px; }

.navigasi {
  display: none;
  list-style: none;
  width: 100%;
  margin: 0;
  padding: 0 0 0.85rem;
}

#pilih-menu:checked ~ .navigasi { display: block; }

.navigasi li { border-top: 1px solid rgba(255, 255, 255, 0.14); }

.navigasi a {
  display: flex;
  align-items: center;
  min-height: 48px;
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font-size: 0.97rem;
  font-weight: 500;
}

.navigasi a:hover { color: var(--emas-terang); }

@media (min-width: 900px) {
  .tuas { display: none; }
  .navigasi { display: flex !important; width: auto; padding: 0; gap: 1.5rem; align-items: center; }
  .navigasi li { border-top: 0; }
}

/* ================= tombol ================= */

.tombol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.7rem 1.45rem;
  border-radius: var(--lengkung);
  background: var(--emas);
  color: #1a1403;
  border: 2px solid var(--emas);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: background 0.14s ease, border-color 0.14s ease;
}

.tombol:hover { background: var(--emas-terang); border-color: var(--emas-terang); color: #1a1403; }

.tombol-sunyi {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.tombol-sunyi:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; color: #fff; }

.tombol-padat {
  background: var(--tinta);
  border-color: var(--tinta);
  color: #fff;
}

.tombol-padat:hover { background: var(--tinta-muda); border-color: var(--tinta-muda); color: #fff; }

/* ================= sampul (hero) ================= */

.sampul {
  position: relative;
  overflow: hidden;
  padding: 3rem 0 3.5rem;
  color: #fff;
  background-color: var(--tinta);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 30px 30px;
  border-bottom: 4px solid var(--emas);
}

.sampul-hias {
  position: absolute;
  right: -28px;
  top: 50%;
  transform: translateY(-50%);
  width: 250px;
  opacity: 0.16;
  pointer-events: none;
}

.sampul .wadah { position: relative; }

.kening {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--emas-terang);
  border: 1px solid rgba(234, 205, 94, 0.45);
  border-radius: 3px;
  padding: 0.25rem 0.6rem;
  margin-bottom: 1.1rem;
}

.sampul h1 {
  font-size: clamp(1.85rem, 5.6vw, 2.85rem);
  line-height: 1.22;
  letter-spacing: -0.018em;
  margin: 0 0 0.9rem;
  max-width: 20ch;
}

.sampul .intro {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 56ch;
  margin: 0 0 1.6rem;
}

.sampul-aksi { display: flex; flex-wrap: wrap; gap: 0.8rem; }

.catatan-jujur {
  margin: 1.4rem 0 0;
  padding: 0.85rem 1rem;
  background: rgba(0, 0, 0, 0.22);
  border-left: 4px solid var(--emas);
  border-radius: 0 var(--lengkung) var(--lengkung) 0;
  font-size: 0.93rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.86);
  max-width: 62ch;
}

/* ================= blok seksi ================= */

.blok { padding: 3rem 0; }
.blok-abu { background: var(--kertas-abu); }
.blok-tinta { background: var(--tinta-pekat); color: rgba(255, 255, 255, 0.9); }
.blok-tinta h2 { color: #fff; }

h2 {
  font-size: clamp(1.38rem, 3.9vw, 1.85rem);
  line-height: 1.3;
  letter-spacing: -0.012em;
  margin: 0 0 0.7rem;
}

h3 { font-size: 1.12rem; line-height: 1.4; margin: 0 0 0.45rem; }

.tanda {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--emas-tua);
  margin-bottom: 0.55rem;
}

.tanda::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--emas);
  border-radius: 1px;
  flex: 0 0 auto;
}

.lembut { color: var(--teks-lembut); max-width: 64ch; }

/* ================= daftar periksa ================= */

.periksa { list-style: none; margin: 1.6rem 0 0; padding: 0; display: grid; gap: 0.75rem; }
@media (min-width: 720px) { .periksa { grid-template-columns: 1fr 1fr; gap: 0.75rem 1.5rem; } }

.periksa li {
  position: relative;
  padding: 0.15rem 0 0.15rem 2.1rem;
}

.periksa li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 14px;
  height: 14px;
  background: var(--emas-kabut);
  border: 2px solid var(--emas);
  border-radius: 2px;
}

/* ================= istilah (definisi) ================= */

.istilah { margin: 1.75rem 0 0; }

.istilah dt {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--tinta);
  background: var(--emas-kabut);
  border-left: 4px solid var(--emas);
  padding: 0.4rem 0.7rem;
  border-radius: 0 3px 3px 0;
}

.istilah dd {
  margin: 0.55rem 0 1.4rem;
  padding-left: 0.7rem;
  color: var(--teks-lembut);
  border-left: 1px dashed var(--garis);
  max-width: 68ch;
}

/* ================= langkah bernomor ================= */

.tahap { list-style: none; margin: 1.9rem 0 0; padding: 0; display: grid; gap: 1rem; counter-reset: urut; }
@media (min-width: 800px) { .tahap { grid-template-columns: repeat(3, 1fr); } }

.tahap li {
  background: var(--kertas);
  border: 1px solid var(--garis);
  border-top: 3px solid var(--tinta);
  border-radius: var(--lengkung);
  padding: 1.35rem 1.2rem;
}

.tahap .urut {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 0.7rem;
  background: var(--tinta);
  color: var(--emas-terang);
  font-family: var(--mono);
  font-weight: 700;
  border-radius: 3px;
}

.tahap p { margin: 0; color: var(--teks-lembut); font-size: 0.98rem; }

/* ================= tanya jawab ================= */

.tanya { margin-top: 1.75rem; display: grid; gap: 0.6rem; }

.tanya details {
  background: var(--kertas);
  border: 1px solid var(--garis);
  border-left: 4px solid var(--garis);
  border-radius: 0 var(--lengkung) var(--lengkung) 0;
  padding: 0 1.1rem;
}

.tanya details[open] { border-left-color: var(--emas); }

.tanya summary {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 52px;
  padding: 0.85rem 0;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.tanya summary::-webkit-details-marker { display: none; }

.tanya summary::after {
  content: "";
  margin-left: auto;
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--emas-tua);
  border-bottom: 2px solid var(--emas-tua);
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}

.tanya details[open] summary::after { transform: rotate(-135deg); }

.tanya details > p { margin: 0 0 1rem; color: var(--teks-lembut); }

/* ================= kartu artikel ================= */

.kisi { display: grid; gap: 1rem; margin-top: 1.8rem; }
@media (min-width: 800px) { .kisi { grid-template-columns: repeat(3, 1fr); } }

.kisi-dua { display: grid; gap: 1rem; margin-top: 1.8rem; }
@media (min-width: 760px) { .kisi-dua { grid-template-columns: 1fr 1fr; } }

.kartu {
  background: var(--kertas);
  border: 1px solid var(--garis);
  border-top: 3px solid var(--emas);
  border-radius: var(--lengkung);
  padding: 1.3rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.kartu .nomor-kartu {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--emas-tua);
  font-weight: 700;
}

.kartu h3 { margin: 0; font-size: 1.06rem; }
.kartu h3 a { color: var(--teks); text-decoration: none; }
.kartu h3 a:hover { color: var(--tinta); text-decoration: underline; }
.kartu p { margin: 0; color: var(--teks-lembut); font-size: 0.96rem; }

.kartu .telusur {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  font-weight: 700;
  font-size: 0.94rem;
  text-decoration: none;
  color: var(--tinta-muda);
}

.kartu .telusur:hover { text-decoration: underline; }

/* tautan teks yang berdiri sendiri: tetap mudah disentuh di ponsel */
.tautan-lega {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  font-weight: 600;
}

/* ================= undangan (CTA) ================= */

.undangan {
  background: var(--tinta);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 26px 26px;
  border: 2px solid var(--emas);
  border-radius: var(--lengkung);
  color: #fff;
  padding: 2rem 1.5rem;
}

.undangan h2 { color: #fff; margin-top: 0; }
.undangan p { color: rgba(255, 255, 255, 0.88); max-width: 58ch; }
.undangan .tombol { margin-top: 0.6rem; }

.nomor { font-family: var(--mono); font-weight: 700; white-space: nowrap; letter-spacing: 0.01em; }

/* ================= artikel ================= */

.remah { font-size: 0.88rem; color: var(--teks-lembut); padding: 1.1rem 0 0; }
.remah ol { display: flex; flex-wrap: wrap; gap: 0.35rem; list-style: none; margin: 0; padding: 0; }
.remah li:not(:last-child)::after { content: "/"; margin-left: 0.4rem; color: var(--garis); }
.remah a { color: var(--teks-lembut); display: inline-block; padding: 0.45rem 0; }
.remah li { display: flex; align-items: center; }

.naskah { padding: 0.75rem 0 3rem; }
.naskah-isi { max-width: 70ch; }
.naskah-isi h1 {
  font-size: clamp(1.65rem, 4.8vw, 2.3rem);
  line-height: 1.26;
  letter-spacing: -0.018em;
  margin: 0.5rem 0 0.6rem;
}

.jejak {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--teks-lembut);
  border-bottom: 1px solid var(--garis);
  padding-bottom: 1rem;
  margin: 0 0 2rem;
}

.naskah-isi h2 { margin-top: 2.4rem; }
.naskah-isi h3 { margin-top: 1.7rem; font-size: 1.08rem; }
.naskah-isi ul, .naskah-isi ol { padding-left: 1.25rem; }
.naskah-isi li { margin-bottom: 0.45rem; }

.kutip {
  background: var(--kertas-abu);
  border-left: 4px solid var(--tinta);
  border-radius: 0 var(--lengkung) var(--lengkung) 0;
  padding: 1rem 1.2rem;
  margin: 2rem 0;
}

.kutip p:last-child { margin-bottom: 0; }

.awas {
  background: var(--emas-kabut);
  border: 1px solid var(--emas);
  border-radius: var(--lengkung);
  padding: 1rem 1.2rem;
  margin: 2rem 0;
}

.awas p:last-child { margin-bottom: 0; }

.sisipan {
  background: var(--tinta-pekat);
  color: rgba(255, 255, 255, 0.9);
  border-radius: var(--lengkung);
  border-left: 5px solid var(--emas);
  padding: 1.4rem 1.3rem;
  margin: 2.5rem 0;
}

.sisipan h3 { color: #fff; margin-top: 0; }
.sisipan p { color: rgba(255, 255, 255, 0.86); }

.lanjutan { margin-top: 2.5rem; padding-top: 1.4rem; border-top: 2px solid var(--garis); }
.lanjutan h2 { margin-top: 0; font-size: 1.2rem; }
.lanjutan ul { padding-left: 1.2rem; }

/* daftar tautan yang berdiri sendiri: beri ruang sentuh lebih lega */
.lanjutan li a, .gagal li a { display: inline-block; padding: 0.4rem 0; }

/* ================= tombol WhatsApp melayang ================= */

.wa-apung {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 52px;
  padding: 0.65rem 1.1rem;
  background: var(--wa);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 10px;
  box-shadow: 0 5px 16px rgba(20, 41, 66, 0.3);
}

.wa-apung:hover { background: #0d6c33; color: #fff; }
.wa-apung svg { width: 22px; height: 22px; flex: 0 0 auto; }

@media (min-width: 900px) { .wa-apung { right: 22px; bottom: 22px; } }

/* ================= kaki ================= */

.kaki {
  background: var(--tinta-pekat);
  color: rgba(255, 255, 255, 0.8);
  border-top: 4px solid var(--emas);
  padding: 2.4rem 0 1.9rem;
  font-size: 0.95rem;
}

.kaki a { color: #fff; }
.kaki h2 { color: #fff; font-size: 1.05rem; margin-bottom: 0.5rem; }

.kaki-kisi { display: grid; gap: 1.6rem; }
@media (min-width: 760px) { .kaki-kisi { grid-template-columns: 1.5fr 1fr; } }

.kaki ul { list-style: none; margin: 0; padding: 0; }
.kaki li a { display: inline-flex; align-items: center; min-height: 48px; }

.penafian {
  margin: 2rem 0 0;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.87rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.64);
}

/* ================= halaman ringkas (privasi, 404) ================= */

.ringkas { padding: 2.2rem 0 3.4rem; }
.ringkas .naskah-isi h1 { margin-top: 0; }
.ringkas h2 { font-size: 1.2rem; margin-top: 2rem; }

.gagal { text-align: left; }
.gagal .kode-besar {
  font-family: var(--mono);
  font-size: clamp(3rem, 14vw, 5rem);
  font-weight: 700;
  color: var(--emas);
  line-height: 1;
  display: block;
  margin-bottom: 0.6rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tombol, .tanya summary::after { transition: none; }
}