/* ==========================================================
   APBP — Asosiasi Prodi Bidang Penerbangan
   Konsep: peta rute penerbangan. Garis tipis, label instrumen,
   ilustrasi gambar teknik. Huruf Google Sans (selaras logo).
   ========================================================== */

:root {
  --navy: #02036d;
  --navy-hover: #1a1f9c;
  --ink: #0b0d3b;
  --text: #2a2d52;
  --muted: #62668a;
  --rule: #dcdfeb;
  --rule-strong: #b9bed6;
  --tint: #f6f7fb;
  --grid: rgb(2 3 109 / 0.05);
  --green: #2f7127;
  --orange: #fd6b20;
  --orange-ink: #b1450c; /* oranye gelap untuk teks kecil */

  --tri: linear-gradient(90deg, var(--navy) 0 58%, var(--green) 58% 79%, var(--orange) 79% 100%);
  --graticule:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);

  --sans: "Google Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "Google Sans Code", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --container: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 68px;
  --shadow: 0 1px 2px rgb(2 3 109 / 0.05), 0 24px 48px -28px rgb(2 3 109 / 0.35);
  --shadow-lift: 0 2px 4px rgb(2 3 109 / 0.05), 0 36px 64px -30px rgb(2 3 109 / 0.45);

  /* gerak */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

a {
  color: var(--navy);
}

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -80px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--navy);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus-visible {
  top: 12px;
}

/* label bergaya instrumen */
.code {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.muted {
  color: var(--muted);
  font-weight: 400;
}

/* ---------- Tombol & tautan ---------- */
.btn-slant {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 0 30px;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
}

/* bentuk miring, mengikuti huruf logo yang condong ke depan */
.btn-slant::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--navy);
  box-shadow: 0 14px 28px -14px rgb(2 3 109 / 0.7);
  transform: skewX(-16deg);
  transition: background-color 0.2s;
}

.btn-slant:hover::before {
  background: var(--navy-hover);
}

/* kilau yang menyapu tombol saat hover */
.btn-slant::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 38%, rgb(255 255 255 / 0.32) 50%, transparent 62%) 130% 0 / 260% 100% no-repeat;
  transform: skewX(-16deg);
  transition: background-position 0.8s var(--ease-out);
}

.btn-slant:hover::after {
  background-position: -30% 0;
}

.btn-slant:active {
  transform: translateY(1px) scale(0.985);
}

.btn-slant .icon,
.link-arrow .icon {
  transition: transform 0.2s;
}

.btn-slant:hover .icon,
.link-arrow:hover .icon {
  transform: translateX(4px);
}

/* garis bawah dua lapis: saat hover, garis oranye menyapu dari kiri */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0 6px;
  background:
    linear-gradient(var(--orange), var(--orange)) 0 100% / 0 2px no-repeat,
    linear-gradient(currentColor, currentColor) 100% 100% / 100% 2px no-repeat;
  color: var(--navy);
  font-weight: 600;
  text-decoration: none;
  transition: background-size 0.5s var(--ease-out);
}

.link-arrow:hover {
  background-size: 100% 2px, 0 2px;
}

.link-arrow .icon {
  width: 18px;
  height: 18px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(255 255 255 / 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--header-h);
}

.brand {
  flex: none;
}

.brand img {
  width: auto;
  height: 36px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.site-nav a {
  position: relative;
  padding: 8px 11px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav .n {
  margin-right: 7px;
  color: var(--muted);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  bottom: 1px;
  height: 3px;
  background: var(--navy);
  transform: scaleX(0) skewX(-30deg);
  transform-origin: left;
  transition: transform 0.25s;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--navy);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1) skewX(-30deg);
}

.clock {
  display: none;
  padding-left: 20px;
  border-left: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.clock span {
  color: var(--navy);
  font-weight: 600;
}

@media (min-width: 1240px) {
  .clock {
    display: block;
  }
}

.nav-toggle {
  display: none;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--rule-strong);
  background: #fff;
  color: var(--navy);
  cursor: pointer;
}

.nav-toggle[aria-expanded="true"] .icon-open,
.nav-toggle[aria-expanded="false"] .icon-close {
  display: none;
}

@media (max-width: 1120px) {
  .nav-toggle {
    display: inline-grid;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 20px;
    background: #fff;
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 24px 40px -28px rgb(2 3 109 / 0.35);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 15px 0;
    border-bottom: 1px solid var(--rule);
    font-size: 0.84rem;
  }

  .site-nav a::after {
    left: 0;
    right: auto;
    width: 40px;
  }
}

/* garis kemajuan baca, dengan pesawat di ujungnya */
.progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  pointer-events: none;
}

.progress-bar {
  position: absolute;
  inset: 0;
  background: var(--navy);
  transform: scaleX(var(--p, 0));
  transform-origin: left;
}

.progress-plane {
  position: absolute;
  top: -8px;
  left: calc(var(--p, 0) * (100% - 18px));
  width: 18px;
  height: 18px;
  fill: var(--navy);
  transform: rotate(90deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4vw, 48px) 0 clamp(88px, 9vw, 120px);
}

/* kisi seperti peta aeronautika (dibuat lebih besar agar bisa bergeser pelan) */
.hero::before {
  content: "";
  position: absolute;
  inset: -72px 0 0 -72px;
  background-image: var(--graticule);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 20%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 20%, transparent 100%);
  pointer-events: none;
}

/* mistar skala di tepi bawah */
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 12px;
  background:
    repeating-linear-gradient(90deg, var(--rule-strong) 0 1px, transparent 1px 12px) left bottom / 100% 6px no-repeat,
    repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 72px) left bottom / 100% 12px no-repeat;
  opacity: 0.55;
}

.hero .container {
  position: relative;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.hero-meta .sep {
  flex: 1;
  min-width: 20px;
  height: 1px;
  background: var(--rule-strong);
}

.hero-meta strong {
  color: var(--navy);
  font-weight: 600;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  margin-top: clamp(24px, 3vw, 40px);
}

.hero-title {
  color: var(--ink);
  font-size: clamp(2.6rem, 1.2rem + 4.4vw, 5.25rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.hero-title span {
  display: block;
  color: var(--navy);
}

.hero-lead {
  max-width: 32em;
  margin-top: 26px;
  color: var(--text);
  font-size: clamp(1.06rem, 1rem + 0.35vw, 1.25rem);
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 32px;
  margin-top: 34px;
  padding-left: 8px;
}

/* ilustrasi: piringan kompas + pesawat + jalur */
.hero-art {
  position: relative;
  isolation: isolate;
  width: 100%;
  max-width: 600px;
  aspect-ratio: 600 / 620;
  justify-self: end;
}

/* cahaya lembut di belakang piringan kompas */
.hero-art::before {
  content: "";
  position: absolute;
  left: 18.33%;
  top: 0;
  z-index: -1;
  width: 83.33%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, #e9ecf8 0, rgb(233 236 248 / 0) 70%);
}

/* sapuan radar di dalam piringan (berputar saat diam) */
.radar {
  position: absolute;
  left: 29%;
  top: 10.32%;
  width: 62%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(from 0deg,
      transparent 0 280deg,
      rgb(2 3 109 / 0) 280deg,
      rgb(2 3 109 / 0.1) 357deg,
      rgb(2 3 109 / 0.3) 359.2deg,
      transparent 360deg);
  pointer-events: none;
}

.hero-art-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.hero-art-svg text {
  font-family: var(--mono);
  font-size: 12px;
  text-anchor: middle;
  dominant-baseline: central;
}

.waypoints {
  margin: 0;
  padding: 0;
  list-style: none;
}

.wp {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: max-content;
  padding: 2px 6px;
  background: rgb(255 255 255 / 0.88);
}

.wp--below {
  transform: translate(-10px, 18px);
}

.wp--right {
  transform: translate(18px, -6px);
}

.wp--above {
  text-align: right;
  transform: translate(calc(-100% + 16px), calc(-100% - 20px));
}

.wp-year {
  display: block;
  color: var(--navy);
  font-size: clamp(1.25rem, 1rem + 0.6vw, 1.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.wp-text {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  line-height: 1.4;
  text-transform: uppercase;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-art {
    justify-self: center;
    max-width: 540px;
    margin-top: 24px;
  }
}

@media (max-width: 520px) {
  .hero-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .hero-meta .sep {
    display: none;
  }

  .hero-links .btn-slant {
    width: calc(100% - 16px);
    justify-content: center;
  }

  .wp-year {
    font-size: 1.1rem;
  }

  .wp-text {
    font-size: 0.6rem;
  }
}

/* animasi hero: jalur tergambar, rute berjalan, pesawat melayang */
@media (prefers-reduced-motion: no-preference) {
  .ha-route {
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    animation: draw 1.8s cubic-bezier(0.6, 0.05, 0.25, 1) 0.2s forwards;
  }

  .ha-planned {
    animation: march 1.2s linear infinite;
  }

  .ha-float {
    animation: float 7s ease-in-out infinite;
  }

  .wp {
    animation: fade-in 0.6s ease-out both;
  }

  .wp:nth-child(1) {
    animation-delay: 0.5s;
  }

  .wp:nth-child(2) {
    animation-delay: 1s;
  }

  .wp:nth-child(3) {
    animation-delay: 1.6s;
  }
}

@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes march {
  to {
    stroke-dashoffset: -13;
  }
}

@keyframes float {
  50% {
    transform: translate(3px, -5px);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
}

/* ---------- Section dengan rel label di kiri ---------- */
.sec {
  padding: clamp(72px, 10vw, 136px) 0;
  border-top: 1px solid var(--rule);
}

.sec-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: 24px;
}

.rail {
  grid-column: 1 / span 3;
  align-self: start;
  position: sticky;
  top: calc(var(--header-h) + 36px);
  padding-right: 16px;
}

.sec-body {
  grid-column: 4 / -1;
  min-width: 0;
}

.rail-no {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.07em;
}

.rail-no::after {
  content: "";
  width: 44px;
  height: 6px;
  background: var(--tri);
  transform: skewX(-30deg);
}

.rail-title {
  margin-top: 16px;
  color: var(--ink);
  font-size: clamp(1.7rem, 1.1rem + 1.3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

@media (max-width: 900px) {
  .rail,
  .sec-body {
    grid-column: 1 / -1;
  }

  .rail {
    position: static;
    margin-bottom: 28px;
  }
}

.statement {
  max-width: 24em;
  color: var(--ink);
  font-size: clamp(1.5rem, 1rem + 1.6vw, 2.5rem);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.statement--sm {
  max-width: 28em;
  font-size: clamp(1.3rem, 1rem + 0.9vw, 1.9rem);
}

.statement em {
  color: var(--navy);
  font-style: normal;
  background: linear-gradient(rgb(253 107 32 / 0.28), rgb(253 107 32 / 0.28)) 0 88% / 100% 0.28em no-repeat;
}

.note {
  margin-top: 16px;
  color: var(--muted);
}

.block-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(56px, 7vw, 88px);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.block-title .count {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.07em;
}

/* daftar bernomor dengan kode */
.rows {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rows li {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.rows .code {
  padding-top: 4px;
  color: var(--green);
  font-weight: 600;
}

.rows--tight li {
  grid-template-columns: 60px minmax(0, 1fr);
  padding: 13px 0;
}

@media (max-width: 560px) {
  .rows li {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 10px;
  }
}

.m-icon {
  display: block;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  color: var(--navy);
  stroke-width: 1.5;
}

.m-icon--green {
  color: var(--green);
}

/* ---------- 01 Profil ---------- */
.prose-cols {
  margin-top: 36px;
  columns: 2 300px;
  column-gap: 40px;
}

.prose-cols p {
  margin-bottom: 16px;
}

.prose-cols strong {
  color: var(--ink);
}

/* kartu data berbentuk boarding pass */
.pass {
  position: relative;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  margin-top: clamp(40px, 6vw, 72px);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.pass::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 2;
  height: 6px;
  background: var(--tri);
}

.pass-main {
  padding: 34px clamp(20px, 3vw, 40px) 30px;
}

.pass-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--rule-strong);
}

.pass-logo {
  width: auto;
  height: 30px;
}

.pass-route {
  display: grid;
  grid-template-columns: auto minmax(60px, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 26px 0;
}

.pass-big {
  margin-top: 4px;
  color: var(--navy);
  font-size: clamp(2.2rem, 1.6rem + 1.8vw, 3.3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.045em;
}

.pass-sub {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.pass-line {
  position: relative;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--rule-strong) 0 7px, transparent 7px 13px);
}

/* garis kemajuan penerbangan di dalam tiket */
.pass-line::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--navy);
  transform: scaleX(0.5);
  transform-origin: left;
}

.plane-track {
  position: absolute;
  inset: 0;
  transform: translateX(50%);
}

.plane {
  position: absolute;
  left: 0;
  top: 50%;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--rule);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 6px 16px -8px rgb(2 3 109 / 0.45);
  transform: translate(-50%, -50%);
}

.plane svg {
  width: 22px;
  height: 22px;
  fill: var(--navy);
  transform: rotate(90deg);
}

.pass-dest {
  text-align: right;
}

.pass-fields {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px 28px;
  margin: 0;
  padding-top: 24px;
  border-top: 1px dashed var(--rule-strong);
}

.pass-fields .wide {
  grid-column: span 2;
}

.pass-fields dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.pass-fields dd {
  margin: 4px 0 0;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.35;
}

.pass-stub {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 34px 28px 28px;
  border-left: 2px dashed var(--rule-strong);
  background: var(--tint);
}

/* takik perforasi tiket */
.pass-stub::before,
.pass-stub::after {
  content: "";
  position: absolute;
  left: -14px;
  z-index: 3;
  width: 26px;
  height: 26px;
  border: 1px solid var(--rule);
  border-radius: 50%;
  background: #fff;
}

.pass-stub::before {
  top: -14px;
}

.pass-stub::after {
  bottom: -14px;
}

.pass-gap {
  margin-top: 22px;
}

.barcode {
  display: block;
  height: 58px;
  margin-top: auto;
  padding-top: 24px;
  background:
    repeating-linear-gradient(90deg,
      var(--ink) 0 2px, transparent 2px 5px,
      var(--ink) 5px 6px, transparent 6px 8px,
      var(--ink) 8px 11px, transparent 11px 13px,
      var(--ink) 13px 14px, transparent 14px 18px,
      var(--ink) 18px 20px, transparent 20px 21px) content-box;
}

@media (max-width: 960px) {
  .pass {
    grid-template-columns: minmax(0, 1fr);
  }

  .pass-stub {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
    border-left: 0;
    border-top: 2px dashed var(--rule-strong);
  }

  .pass-stub::before,
  .pass-stub::after {
    top: -14px;
    bottom: auto;
  }

  .pass-stub::after {
    left: auto;
    right: -14px;
  }

  .pass-gap {
    margin-top: 0;
  }

  .pass-stub > :nth-child(1),
  .pass-stub > :nth-child(2),
  .pass-stub > :nth-child(3) {
    grid-column: 1;
  }

  .pass-stub > :nth-child(4) {
    grid-column: 2;
    grid-row: 1;
  }

  .pass-stub > :nth-child(5) {
    grid-column: 2;
    grid-row: 2;
  }

  .barcode {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .pass-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pass-route {
    gap: 12px;
  }

  .plane {
    width: 36px;
    height: 36px;
  }
}

/* ---------- 02 Visi ---------- */
.visi {
  position: relative;
  margin: 0;
  padding: clamp(32px, 5vw, 64px);
  overflow: hidden;
  background: var(--navy);
  color: #fff;
}

/* kisi tipis di atas panel biru (lebih besar agar bisa bergeser pelan) */
.visi::before {
  content: "";
  position: absolute;
  inset: -48px 0 0 -48px;
  background-image:
    linear-gradient(rgb(255 255 255 / 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* di atas latar biru, bagian biru garis tiga warna diganti putih */
.visi-label {
  display: flex;
  align-items: center;
  gap: 14px;
}

.visi-label::before {
  content: "";
  flex: none;
  width: 44px;
  height: 6px;
  background: linear-gradient(90deg, #fff 0 58%, #5cb84b 58% 79%, var(--orange) 79% 100%);
  transform: skewX(-30deg);
}

.visi-year {
  position: absolute;
  right: -0.03em;
  bottom: -0.2em;
  color: transparent;
  font-size: clamp(7rem, 3rem + 14vw, 17rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
  -webkit-text-stroke: 1.5px rgb(255 255 255 / 0.16);
  pointer-events: none;
  user-select: none;
}

.visi-label {
  position: relative;
  color: rgb(255 255 255 / 0.7);
}

.visi-text {
  position: relative;
  margin: 18px 0 0;
}

.visi-text p {
  max-width: 30em;
  color: #fff;
  font-size: clamp(1.3rem, 1rem + 1.1vw, 2rem);
  font-weight: 500;
  line-height: 1.42;
  letter-spacing: -0.02em;
}

/* garis bawah digambar sebagai latar agar bisa "tergambar" saat muncul */
.visi-text mark {
  --u: rgb(255 255 255 / 0.85);
  padding-bottom: 0.1em;
  background: linear-gradient(var(--u), var(--u)) 0 100% / 100% 0.12em no-repeat;
  color: #fff;
  font-weight: 700;
}

.visi-text mark:nth-of-type(2) {
  --u: #5cb84b;
}

.visi-text mark:nth-of-type(3) {
  --u: var(--orange);
}

.values {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.values li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid rgb(255 255 255 / 0.28);
  color: #fff;
  font-weight: 600;
}

.values li::before {
  content: "";
  width: 11px;
  height: 11px;
  background: var(--c);
  transform: skewX(-20deg);
}

.values li:nth-child(1) {
  --c: #fff;
}

.values li:nth-child(2) {
  --c: #5cb84b;
}

.values li:nth-child(3) {
  --c: var(--orange);
}

.maksud {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.maksud li {
  padding: 26px 24px 6px 0;
}

.maksud li + li {
  padding-left: 24px;
  border-left: 1px solid var(--rule);
}

.maksud .code {
  color: var(--green);
  font-weight: 600;
}

.maksud h4 {
  margin: 10px 0 8px;
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.25;
}

.maksud p {
  color: var(--muted);
  font-size: 0.97rem;
}

@media (max-width: 760px) {
  .maksud {
    grid-template-columns: minmax(0, 1fr);
  }

  .maksud li + li {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--rule);
  }
}

/* ---------- 03 Struktur ---------- */
.legend {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 40px 0 0;
  padding: 0;
  border-top: 2px solid var(--ink);
  list-style: none;
}

.legend li {
  padding: 22px 22px 4px 0;
}

.legend li + li {
  padding-left: 22px;
  border-left: 1px solid var(--rule);
}

.legend h3 {
  margin-top: 16px;
  font-size: 1.1rem;
  font-weight: 700;
}

.legend p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.key {
  position: relative;
  display: block;
  height: 18px;
}

.key--hub {
  width: 38px;
  border: 3px solid var(--ink);
  border-radius: 9px;
}

.key--navy,
.key--green {
  width: 56px;
}

.key--navy {
  --c: var(--navy);
}

.key--green {
  --c: var(--green);
}

.key--navy::before,
.key--green::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 6px;
  height: 6px;
  border-radius: 3px;
  background: var(--c);
}

.key--navy::after,
.key--green::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 0;
  width: 18px;
  height: 18px;
  border: 4px solid var(--c);
  border-radius: 50%;
  background: #fff;
}

@media (max-width: 760px) {
  .legend {
    grid-template-columns: minmax(0, 1fr);
  }

  .legend li + li {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--rule);
  }
}

/* bingkai peta */
.chart {
  grid-column: 1 / -1;
  margin-top: clamp(48px, 7vw, 80px);
  border: 1px solid var(--rule);
  background-color: #fff;
  background-image: var(--graticule);
  background-size: 32px 32px;
  background-position: -1px -1px;
}

.chart-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 3vw, 28px);
  border-bottom: 1px solid var(--rule);
  background: #fff;
}

.chart-north {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--navy);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 600;
}

.chart-north svg {
  width: 16px;
  height: 16px;
  fill: var(--navy);
}

/* --- Peta rute: bawaan (ponsel & tablet) disusun menurun --- */
.network {
  position: relative;
  padding: clamp(28px, 4vw, 48px) clamp(16px, 3vw, 40px);
}

.net-hub {
  position: relative;
  padding: 0 0 36px 72px;
}

/* stasiun transit: kapsul tempat kedua jalur berangkat */
.net-hub::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
  width: 50px;
  height: 28px;
  border: 3px solid var(--ink);
  border-radius: 14px;
  background: #fff;
}

.net-hub::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 14px;
  bottom: 0;
  width: 28px;
  background: linear-gradient(90deg, var(--green) 0 6px, transparent 6px 22px, var(--navy) 22px 28px);
}

.net-hub-name {
  color: var(--ink);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.net-hub .code {
  margin-top: 8px;
}

.net-line {
  --c: var(--navy);
  --lx: 36px;
  position: relative;
  padding-left: 72px;
}

.net-line--pengurus {
  padding-bottom: 36px;
}

.net-line--pengawas {
  --c: var(--green);
  --lx: 14px;
}

/* jalur hijau yang lewat di samping jalur pengurus */
.net-line--pengurus::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--green);
}

.net-head {
  position: relative;
  padding-bottom: 22px;
}

.net-head::before {
  content: "";
  position: absolute;
  left: calc(var(--lx) - 75px);
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--c);
}

.net-head h3 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.net-head .code {
  margin-top: 4px;
}

.stops,
.stops-inner {
  margin: 0;
  padding: 0;
  list-style: none;
}

.stop {
  position: relative;
  padding-bottom: 24px;
}

.stop-dot {
  position: absolute;
  left: calc(var(--lx) - 81px);
  top: 4px;
  z-index: 2;
  width: 18px;
  height: 18px;
  border: 4px solid var(--c);
  border-radius: 50%;
  background: #fff;
}

.stop--lead .stop-dot {
  left: calc(var(--lx) - 85px);
  top: 0;
  width: 26px;
  height: 26px;
  border-width: 5px;
  background: radial-gradient(circle, var(--c) 0 4px, #fff 4.5px);
}

.stop::before,
.stop::after {
  content: "";
  position: absolute;
  left: calc(var(--lx) - 75px);
  width: 6px;
  background: var(--c);
}

.stop::before {
  top: 0;
  height: 13px;
}

.stop::after {
  top: 13px;
  bottom: 0;
}

.stop.is-last::after {
  display: none;
}

.stop-meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.stop-no {
  color: var(--muted);
}

.stop-role {
  color: var(--c);
  font-weight: 600;
}

.stop-name {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.3;
}

.stop--lead .stop-name {
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.stop-group {
  position: relative;
}

.group-label {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 0 14px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.group-label::before {
  content: "";
  position: absolute;
  left: calc(var(--lx) - 75px);
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--c);
}

.group-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}

/* --- Peta rute: desktop, jalur mendatar --- */
@media (min-width: 1200px) {
  .network {
    --y: 60px;
    --head: 172px;
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    padding: 44px 40px 52px 24px;
  }

  .net-hub {
    position: relative;
    z-index: 4;
    grid-column: 1;
    grid-row: 1 / span 2;
    padding: 0;
  }

  .net-hub::before,
  .net-hub::after {
    display: none;
  }

  /* nama stasiun ditulis tegak di dalam kapsul */
  .net-hub-name {
    position: absolute;
    top: calc(var(--y) + 30px);
    left: 28px;
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
  }

  .net-hub-name br,
  .net-hub .code {
    display: none;
  }

  .net-line {
    grid-column: 2;
    padding-left: var(--head);
  }

  .net-line--pengurus {
    grid-row: 1;
    padding-bottom: 56px;
  }

  .net-line--pengawas {
    grid-row: 2;
  }

  /* kapsul Kongres dibentuk dari dua bagian: atas & bawah */
  .net-line--pengurus::before,
  .net-line--pengawas::before {
    content: "";
    position: absolute;
    left: -46px;
    z-index: 3;
    width: 32px;
    border: 3px solid var(--ink);
    background: #fff;
  }

  .net-line--pengurus::before {
    top: calc(var(--y) - 16px);
    bottom: 0;
    border-bottom: 0;
    border-radius: 16px 16px 0 0;
  }

  .net-line--pengawas::before {
    top: 0;
    height: calc(var(--y) + 16px);
    border-top: 0;
    border-radius: 0 0 16px 16px;
  }

  /* garis dari kapsul menuju halte pertama */
  .net-line::after {
    content: "";
    position: absolute;
    left: -14px;
    top: calc(var(--y) - 3px);
    width: calc(var(--head) + 27px);
    height: 6px;
    background: var(--c);
  }

  .net-head {
    position: absolute;
    left: 0;
    top: 0;
    display: grid;
    grid-template-rows: var(--y) auto;
    width: var(--head);
    padding: 0 16px 0 0;
  }

  .net-head::before {
    display: none;
  }

  .net-head h3 {
    align-self: end;
    padding-bottom: 16px;
    font-size: 1.08rem;
    line-height: 1.15;
  }

  .net-head .code {
    margin-top: 0;
    padding-top: 18px;
  }

  .stops,
  .stops-inner {
    display: flex;
  }

  /* semua jalur memakai skala jarak halte yang sama */
  .stop {
    flex: 0 0 calc(100% / var(--slots, 7));
    min-width: 0;
    padding: calc(var(--y) + 26px) 16px 0 0;
  }

  .stops-inner > .stop {
    flex: 1 1 0;
  }

  .stop-dot {
    left: 4px;
    top: calc(var(--y) - 9px);
  }

  .stop--lead .stop-dot {
    left: 0;
    top: calc(var(--y) - 13px);
  }

  .stop::before {
    display: none;
  }

  .stop::after {
    left: 13px;
    top: calc(var(--y) - 3px);
    bottom: auto;
    width: 100%;
    height: 6px;
  }

  .stop-meta {
    flex-direction: column;
    gap: 2px;
  }

  .stop-name {
    font-size: 1.02rem;
  }

  .stop--lead .stop-name {
    font-size: 1.24rem;
  }

  .stop-group {
    flex: 0 0 calc(100% * var(--n, 1) / var(--slots, 7));
    min-width: 0;
  }

  /* label kelompok berupa kurung di atas jalur */
  .group-label {
    position: absolute;
    left: 13px;
    right: calc(100% / var(--n, 1) - 13px);
    top: calc(var(--y) - 44px);
    display: block;
    padding: 0 0 7px;
    border-bottom: 1px solid var(--rule-strong);
    white-space: nowrap;
  }

  .group-label::before,
  .group-label::after {
    content: "";
    position: absolute;
    top: auto;
    bottom: -8px;
    width: 1px;
    height: 8px;
    background: var(--rule-strong);
  }

  .group-label::before {
    left: 0;
  }

  .group-label::after {
    right: 0;
  }
}

/* animasi jalur tergambar saat mulai terlihat. Peta selalu tampil
   secara bawaan; animasi hanya tambahan bila browser mendukung. */
@media (prefers-reduced-motion: no-preference) {
  .network.is-drawing .net-line {
    animation: draw-down 1.2s cubic-bezier(0.6, 0.05, 0.25, 1) both;
  }

  .network.is-drawing .net-line--pengawas {
    animation-delay: 0.25s;
  }
}

@media (prefers-reduced-motion: no-preference) and (min-width: 1200px) {
  .network.is-drawing .net-line {
    animation-name: draw-right;
  }
}

@keyframes draw-down {
  from {
    clip-path: inset(-24px -24px 100% -24px);
  }

  to {
    clip-path: inset(-24px);
  }
}

@keyframes draw-right {
  from {
    clip-path: inset(-24px 100% -24px -80px);
  }

  to {
    clip-path: inset(-24px -24px -24px -80px);
  }
}

/* --- Manifes pendiri --- */
.manifest {
  grid-column: 1 / -1;
  margin-top: clamp(64px, 8vw, 104px);
}

.manifest-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}

.manifest-head h3 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.manifest-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  column-gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.manifest-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.manifest-list .code {
  color: var(--orange-ink);
  font-weight: 600;
}

.manifest-list .name {
  color: var(--ink);
  font-weight: 600;
}

.source {
  margin-top: 20px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

@media (max-width: 1100px) {
  .manifest-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .manifest-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- 04 Keanggotaan ---------- */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 40px;
  border-top: 2px solid var(--ink);
}

.split article {
  padding: 26px 28px 8px 0;
}

.split article + article {
  padding-left: 28px;
  border-left: 1px solid var(--rule);
}

.split h3 {
  margin-top: 8px;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.split h3 + p {
  margin-top: 10px;
  color: var(--muted);
}

.duties {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 40px;
}

@media (max-width: 760px) {
  .split,
  .duties {
    grid-template-columns: minmax(0, 1fr);
  }

  .split article + article {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--rule);
  }
}

/* ---------- 05 Legalitas ---------- */
.deed {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: end;
  gap: 24px 56px;
  padding: 30px 0;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

/* garis ganda seperti kepala dokumen resmi */
.deed::before,
.deed::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--ink);
}

.deed::before {
  top: 4px;
}

.deed::after {
  bottom: 4px;
}

.deed-no {
  margin-top: 10px;
  color: var(--navy);
  font-size: clamp(3.6rem, 2rem + 5vw, 6.8rem);
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -0.06em;
  white-space: nowrap;
}

.deed-rows {
  margin: 0;
}

.deed-rows > div {
  display: grid;
  grid-template-columns: 8.5em minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
}

.deed-rows > div + div {
  border-top: 1px solid var(--rule);
}

.deed-rows dt {
  padding-top: 3px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.deed-rows dd {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
}

.deed-rows .muted {
  display: block;
  font-size: 0.92em;
}

@media (max-width: 760px) {
  .deed {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- 06 Makna logo ---------- */
.logo-plate {
  margin: 40px 0 0;
  padding: clamp(32px, 6vw, 72px) clamp(20px, 5vw, 72px);
  border: 1px solid var(--rule);
  background-color: #fff;
  background-image: var(--graticule);
  background-size: 32px 32px;
  background-position: -1px -1px;
}

.logo-wrap {
  position: relative;
  max-width: 620px;
  margin: 0 auto;
}

.pin {
  position: absolute;
  left: var(--x);
  top: var(--y);
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  box-shadow: 0 0 0 4px #fff;
  transform: translate(-50%, -50%);
}

.pin--static {
  position: static;
  transform: none;
}

.legend-logo {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.legend-logo li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-content: start;
  align-items: center;
  column-gap: 14px;
}

.legend-logo h3 {
  font-size: 1.08rem;
  font-weight: 700;
}

.legend-logo p {
  grid-column: 2;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .legend-logo {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
}

.colorbar {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chip-bar {
  display: block;
  height: 72px;
  margin-bottom: 14px;
  background: var(--c);
}

.colorbar .is-white .chip-bar {
  box-shadow: inset 0 0 0 1px var(--rule-strong);
}

.colorbar h4,
.colorbar p {
  padding-right: 16px;
}

.colorbar h4 {
  font-size: 1.02rem;
  font-weight: 700;
}

.colorbar p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .colorbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 24px;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  padding: clamp(56px, 8vw, 96px) 0 32px;
  border-top: 1px solid var(--rule);
}

.site-footer::before {
  content: "";
  position: absolute;
  left: 0;
  top: -2px;
  width: min(240px, 40vw);
  height: 4px;
  background: var(--tri);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 2px solid var(--ink);
}

.footer-brand img {
  width: min(340px, 72vw);
}

.footer-values {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  color: var(--ink);
  font-size: clamp(1.3rem, 1rem + 1vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.footer-values span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.footer-values span::before {
  content: "";
  width: 14px;
  height: 14px;
  background: var(--c);
  transform: skewX(-20deg);
}

.footer-values span:nth-child(1) {
  --c: var(--navy);
}

.footer-values span:nth-child(2) {
  --c: var(--green);
}

.footer-values span:nth-child(3) {
  --c: var(--orange);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--rule);
}

.footer-grid .code + p {
  margin-top: 10px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, max-content);
  align-content: start;
  gap: 8px 32px;
}

.footer-nav .code {
  grid-column: 1 / -1;
  margin-bottom: 2px;
}

.footer-nav a {
  color: var(--text);
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--navy);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 22px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-nav {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ==========================================================
   GERAK & INTERAKSI
   - Animasi berulang (saat diam) hanya aktif bila pengguna tidak
     meminta "kurangi gerak" di pengaturan perangkatnya.
   - Efek hover hanya untuk perangkat yang punya pointer (mouse/trackpad).
   ========================================================== */

/* elemen pendukung animasi (diam & tidak terlihat secara bawaan) */
.site-header {
  transition: box-shadow 0.3s;
}

.site-header.is-scrolled {
  box-shadow: 0 10px 30px -22px rgb(2 3 109 / 0.45);
}

.hero-meta .sep {
  position: relative;
  overflow: hidden;
}

.barcode {
  position: relative;
}

.barcode::after {
  content: "";
  position: absolute;
  left: -6px;
  right: -6px;
  top: 24px;
  height: 2px;
  background: var(--orange);
  box-shadow: 0 0 10px 1px rgb(253 107 32 / 0.7);
  opacity: 0;
}

.visi::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -35%;
  width: 30%;
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 0.08), transparent);
  transform: skewX(-20deg);
  pointer-events: none;
}

.logo-wrap .pin::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 2px solid var(--orange);
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
}

.net-line {
  --glow: rgb(2 3 109 / 0.16);
}

.net-line--pengawas {
  --glow: rgb(47 113 39 / 0.2);
}

/* rel bagian yang sedang dibaca */
.rail-no {
  transition: color 0.4s;
}

.rail-no::after {
  transition: width 0.6s var(--ease-out);
}

.sec.is-current .rail-no {
  color: var(--navy);
}

.sec.is-current .rail-no::after {
  width: 72px;
}

/* parallax ringan pada ilustrasi hero (diatur JS mengikuti kursor) */
.ha-back,
.radar {
  translate: calc(var(--mx, 0) * -10px) calc(var(--my, 0) * -10px);
  transition: translate 0.8s var(--ease-out);
}

/* ---------- 1. Animasi masuk hero ---------- */
@media (prefers-reduced-motion: no-preference) {
  .hero-meta {
    animation: rise 0.8s var(--ease-out) 0.05s both;
  }

  .hero-title {
    animation: rise 0.9s var(--ease-out) 0.12s both;
  }

  .hero-lead {
    animation: rise 0.9s var(--ease-out) 0.24s both;
  }

  .hero-links {
    animation: rise 0.9s var(--ease-out) 0.34s both;
  }

  .hero-art {
    animation: art-in 1.4s var(--ease-out) 0.15s both;
  }
}

/* ---------- 2. Gerak saat diam ---------- */
@media (prefers-reduced-motion: no-preference) {
  /* kisi bergeser pelan seperti peta yang bergerak */
  .hero::before {
    animation: drift-72 60s linear infinite;
  }

  .visi::before {
    animation: drift-48 40s linear infinite;
  }

  /* sapuan radar di piringan kompas */
  .radar {
    animation: sweep 7s linear infinite;
  }

  /* cincin denyut di titik 2019, 2025, dan tujuan 2040 */
  .ha-ping {
    transform-box: fill-box;
    transform-origin: center;
    animation: ping 3s var(--ease-out) infinite;
  }

  .ha-ping--2 {
    animation-delay: 1s;
  }

  .ha-ping--dest {
    animation-delay: 2s;
  }

  /* sinyal yang berjalan di garis meta hero */
  .hero-meta .sep::after {
    content: "";
    position: absolute;
    inset: -1px 0;
    background: linear-gradient(90deg, transparent calc(100% - 36px), var(--navy) calc(100% - 36px));
    animation: signal 6s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
  }

  .hero-meta i:nth-of-type(2)::after {
    animation-delay: 1.6s;
  }

  /* pesawat di tiket terbang menyusuri rute, garis kemajuan ikut terisi */
  .plane-track {
    animation: fly 8s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
  }

  .pass-line::before {
    animation: fill-route 8s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
  }

  /* garis pindai pada barcode */
  .barcode::after {
    animation: scan 6s ease-in-out infinite;
  }

  /* kilau lembut melintas di panel visi */
  .visi::after {
    animation: sheen 11s ease-in-out infinite;
  }

  /* halte menyala bergiliran, seperti kereta yang lewat */
  .stop-dot {
    animation: station 6s linear infinite;
    animation-delay: calc(var(--i, 0) * 0.45s + 1s);
  }

  .net-line--pengawas .stop-dot {
    animation-delay: calc(var(--i, 0) * 0.45s + 2.4s);
  }

  /* penanda pada logo berdenyut bergantian */
  .logo-wrap .pin::after {
    animation: pin-ping 4.5s var(--ease-out) infinite;
  }

  .logo-wrap .pin:nth-of-type(2)::after {
    animation-delay: 1.5s;
  }

  .logo-wrap .pin:nth-of-type(3)::after {
    animation-delay: 3s;
  }

  /* titik dua pada jam berkedip */
  .clock .blink {
    animation: blink 1s steps(1) infinite;
  }
}

/* ---------- 3. Muncul saat digulir (kelas dipasang oleh JS) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .will-reveal {
    opacity: 0;
    transform: translateY(28px);
  }

  .will-reveal.is-revealed {
    opacity: 1;
    transform: none;
    transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
    transition-delay: var(--d, 0ms);
  }

  /* sorotan tahun & garis bawah visi tergambar setelah elemennya muncul */
  .statement.will-reveal em {
    background-size: 0 0.28em;
  }

  .statement.will-reveal.is-revealed em {
    background-size: 100% 0.28em;
    transition: background-size 0.9s var(--ease-out) 0.5s;
  }

  .visi.will-reveal mark {
    background-size: 0 0.12em;
  }

  .visi.will-reveal.is-revealed mark {
    background-size: 100% 0.12em;
    transition: background-size 0.8s var(--ease-out) 0.5s;
  }

  .visi.will-reveal.is-revealed mark:nth-of-type(2) {
    transition-delay: 0.75s;
  }

  .visi.will-reveal.is-revealed mark:nth-of-type(3) {
    transition-delay: 1s;
  }

  /* garis ganda akta ditarik dari kiri */
  .deed.will-reveal::before,
  .deed.will-reveal::after {
    transform: scaleX(0);
    transform-origin: left;
  }

  .deed.will-reveal.is-revealed::before,
  .deed.will-reveal.is-revealed::after {
    transform: scaleX(1);
    transition: transform 1.2s var(--ease-out) 0.3s;
  }
}

/* ---------- 4. Hover ---------- */
@media (hover: hover) {
  .site-nav a .n {
    transition: color 0.25s;
  }

  .site-nav a:hover .n {
    color: var(--orange-ink);
  }

  .brand img {
    transition: transform 0.5s var(--ease-spring);
  }

  .brand:hover img {
    transform: translateY(-1px) rotate(-2deg);
  }

  /* baris daftar tersorot dari kiri */
  .rows li {
    position: relative;
    isolation: isolate;
  }

  .rows li::before {
    content: "";
    position: absolute;
    inset: 0 -14px;
    z-index: -1;
    background: var(--tint);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out);
  }

  .rows li:hover::before {
    transform: scaleX(1);
  }

  .rows .code {
    transition: transform 0.35s var(--ease-out), color 0.35s;
  }

  .rows li:hover .code {
    color: var(--navy);
    transform: translateX(4px);
  }

  /* kolom maksud, legenda, dan jenis anggota: garis tiga warna menyapu */
  .maksud li,
  .legend li,
  .split article {
    position: relative;
  }

  .maksud li::after,
  .legend li::after,
  .split article::after {
    content: "";
    position: absolute;
    top: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--tri);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease-out);
  }

  .maksud li:hover::after,
  .legend li:hover::after,
  .split article:hover::after {
    transform: scaleX(1);
  }

  .m-icon {
    transition: transform 0.5s var(--ease-spring);
  }

  .maksud li:hover .m-icon,
  .split article:hover .m-icon {
    transform: translateY(-4px) rotate(-8deg) scale(1.08);
  }

  .key::after,
  .key--hub {
    transition: left 0.6s var(--ease-out), border-color 0.3s, transform 0.4s var(--ease-spring);
  }

  .legend li:hover .key--navy::after,
  .legend li:hover .key--green::after {
    left: 38px;
  }

  .legend li:hover .key--hub {
    border-color: var(--orange);
    transform: scale(1.08);
  }

  /* legenda struktur terhubung ke peta: jalur lain meredup.
     Yang diredupkan hanya isi jalur (bukan kapsul & jalur hijau yang lewat). */
  .net-line > *,
  .net-line::after {
    transition: opacity 0.4s, filter 0.4s;
  }

  .net-line::before,
  .net-hub::before {
    transition: border-color 0.3s;
  }

  .sec:has(.legend li:nth-child(2):hover) .net-line--pengawas > *,
  .sec:has(.legend li:nth-child(2):hover) .net-line--pengawas::after,
  .sec:has(.legend li:nth-child(3):hover) .net-line--pengurus > *,
  .sec:has(.legend li:nth-child(3):hover) .net-line--pengurus::after,
  .network:has(.net-line--pengurus:hover) .net-line--pengawas > *,
  .network:has(.net-line--pengurus:hover) .net-line--pengawas::after,
  .network:has(.net-line--pengawas:hover) .net-line--pengurus > *,
  .network:has(.net-line--pengawas:hover) .net-line--pengurus::after {
    opacity: 0.22;
    filter: grayscale(1);
  }

  .sec:has(.legend li:nth-child(1):hover) .net-line--pengurus::before,
  .sec:has(.legend li:nth-child(1):hover) .net-line--pengawas::before,
  .sec:has(.legend li:nth-child(1):hover) .net-hub::before {
    border-color: var(--orange);
  }

  /* halte membesar saat disorot */
  .stop-dot {
    transition: transform 0.35s var(--ease-spring), background-color 0.3s, box-shadow 0.3s;
  }

  .stop:hover .stop-dot {
    background: var(--c);
    box-shadow: 0 0 0 7px var(--glow);
    transform: scale(1.35);
    animation: none;
  }

  .stop-name {
    transition: color 0.25s;
  }

  .stop:hover .stop-name {
    color: var(--c);
  }

  /* manifes pendiri */
  .manifest-list li {
    position: relative;
  }

  .manifest-list li::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100%;
    height: 2px;
    background: var(--orange);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out);
  }

  .manifest-list li:hover::after {
    transform: scaleX(1);
  }

  .manifest-list .name {
    display: inline-block;
    transition: transform 0.35s var(--ease-out), color 0.3s;
  }

  .manifest-list li:hover .name {
    color: var(--navy);
    transform: translateX(5px);
  }

  /* boarding pass terangkat, pemindai barcode lebih cepat */
  .pass {
    transition: transform 0.6s var(--ease-out), box-shadow 0.6s var(--ease-out);
  }

  .pass:hover {
    box-shadow: var(--shadow-lift);
    transform: translateY(-6px);
  }

  .pass:hover .barcode::after {
    animation-duration: 1.8s;
  }

  /* warna logo */
  .colorbar li {
    transition: opacity 0.35s;
  }

  .colorbar:has(li:hover) li:not(:hover) {
    opacity: 0.5;
  }

  .chip-bar {
    transform-origin: bottom;
    transition: transform 0.5s var(--ease-spring);
  }

  .colorbar li:hover .chip-bar {
    transform: scaleY(1.16);
  }

  /* penanda logo terhubung dengan keterangannya (dua arah) */
  .pin {
    transition: background-color 0.3s, transform 0.4s var(--ease-spring);
  }

  .legend-logo li {
    transition: opacity 0.3s;
  }

  .legend-logo:has(li:hover) li:not(:hover) {
    opacity: 0.5;
  }

  .legend-logo li:hover .pin--static,
  .sec-body:has(.logo-wrap .pin:nth-of-type(1):hover) .legend-logo li:nth-child(1) .pin--static,
  .sec-body:has(.logo-wrap .pin:nth-of-type(2):hover) .legend-logo li:nth-child(2) .pin--static,
  .sec-body:has(.logo-wrap .pin:nth-of-type(3):hover) .legend-logo li:nth-child(3) .pin--static {
    background: var(--orange);
  }

  .logo-wrap .pin:hover,
  .sec-body:has(.legend-logo li:nth-child(1):hover) .logo-wrap .pin:nth-of-type(1),
  .sec-body:has(.legend-logo li:nth-child(2):hover) .logo-wrap .pin:nth-of-type(2),
  .sec-body:has(.legend-logo li:nth-child(3):hover) .logo-wrap .pin:nth-of-type(3) {
    background: var(--orange);
    transform: translate(-50%, -50%) scale(1.25);
  }

  /* footer */
  .footer-values span::before {
    transition: transform 0.5s var(--ease-spring);
  }

  .footer-values span:hover::before {
    transform: skewX(-20deg) rotate(90deg) scale(1.25);
  }

  .footer-nav a {
    justify-self: start;
    transition: color 0.2s, transform 0.3s var(--ease-out);
  }

  .footer-nav a:hover {
    transform: translateX(3px);
  }

  .footer-bottom .link-arrow:hover .icon {
    transform: translateY(-3px);
  }
}

/* ---------- Keyframes ---------- */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
}

@keyframes art-in {
  from {
    opacity: 0;
    transform: scale(0.94) rotate(-2deg);
  }
}

@keyframes drift-72 {
  to {
    transform: translate(72px, 72px);
  }
}

@keyframes drift-48 {
  to {
    transform: translate(48px, 48px);
  }
}

@keyframes sweep {
  to {
    rotate: 360deg;
  }
}

@keyframes ping {
  0% {
    opacity: 0.8;
    transform: scale(1);
  }

  70%,
  100% {
    opacity: 0;
    transform: scale(2.6);
  }
}

@keyframes signal {
  0% {
    transform: translateX(-100%);
  }

  55%,
  100% {
    transform: translateX(40px);
  }
}

@keyframes fly {
  0% {
    opacity: 0;
    transform: translateX(0);
  }

  8%,
  88% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translateX(100%);
  }
}

@keyframes fill-route {
  0% {
    opacity: 1;
    transform: scaleX(0);
  }

  92% {
    opacity: 1;
    transform: scaleX(1);
  }

  100% {
    opacity: 0;
    transform: scaleX(1);
  }
}

@keyframes scan {
  0%,
  55% {
    opacity: 0;
    transform: translateY(0);
  }

  60% {
    opacity: 1;
    transform: translateY(0);
  }

  80% {
    opacity: 1;
    transform: translateY(32px);
  }

  85%,
  100% {
    opacity: 0;
    transform: translateY(32px);
  }
}

@keyframes sheen {
  0% {
    transform: skewX(-20deg) translateX(0);
  }

  45%,
  100% {
    transform: skewX(-20deg) translateX(560%);
  }
}

@keyframes station {
  0%,
  14%,
  100% {
    box-shadow: 0 0 0 0 transparent;
    transform: scale(1);
  }

  5% {
    box-shadow: 0 0 0 7px var(--glow);
    transform: scale(1.28);
  }
}

@keyframes pin-ping {
  0% {
    opacity: 0.9;
    transform: scale(1);
  }

  45%,
  100% {
    opacity: 0;
    transform: scale(2.3);
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* animasi di bagian yang sedang tidak terlihat dijeda (hemat baterai & CPU) */
.is-paused,
.is-paused::before,
.is-paused::after,
.is-paused *,
.is-paused *::before,
.is-paused *::after {
  animation-play-state: paused !important;
}

/* ponsel kecil: rute di tiket tetap lega */
@media (max-width: 400px) {
  .pass-route {
    gap: 8px;
  }

  .pass-route .pass-big {
    font-size: 1.85rem;
  }

  .plane {
    width: 30px;
    height: 30px;
  }

  .plane svg {
    width: 16px;
    height: 16px;
  }
}

/* pengguna yang meminta "kurangi gerak": semua gerak dihentikan */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .skip-link,
  .hero::before,
  .radar,
  .barcode::after,
  .visi::after {
    display: none;
  }

  /* semua isi tampil saat dicetak, termasuk yang belum sempat muncul */
  .will-reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  .net-line {
    animation: none !important;
  }

  .sec {
    padding: 32px 0;
  }

  .rail {
    position: static;
  }

  .visi {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}