:root {
  --bg: #0f1712;
  --bg-deep: #07100c;
  --ink: #172015;
  --stone: #364039;
  --paper: #f5eedf;
  --paper-2: #ebe1ce;
  --paper-3: #fff9ed;
  --text: #f8f3e7;
  --text-dark: #182118;
  --muted: #b8c2ad;
  --muted-dark: #60705d;
  --line: rgba(255, 255, 255, .14);
  --line-dark: rgba(24, 33, 24, .16);
  --gold: #f0b85a;
  --gold-dark: #9a6228;
  --green: #7fb069;
  --green-dark: #315a39;
  --teal: #5daaa0;
  --fire: #e36d32;
  --shadow: 0 24px 70px rgba(4, 9, 6, .28);
  --soft-shadow: 0 16px 40px rgba(40, 32, 18, .11);
  --radius: 8px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text-dark);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.75;
  background:
    linear-gradient(90deg, rgba(29, 42, 31, .045) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(180deg, #fbf7ed 0%, #f0e7d6 48%, #fbf7ed 100%);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--gold);
  color: #111;
  border-radius: 6px;
  transition: top .2s ease;
}

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

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 16, 12, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  transition: transform .2s ease, opacity .2s ease;
}

.brand:hover,
.brand:focus-visible {
  transform: translateY(-1px);
  opacity: .96;
  outline: 0;
}

.brand img {
  width: 66px;
  height: 38px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, .2);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
  line-height: 1.2;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  position: relative;
  padding: 9px 12px;
  color: #e9f0df;
  border-radius: 6px;
  font-size: 14px;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(255, 255, 255, .1);
  color: #fff;
  transform: translateY(-1px);
  outline: 0;
}

.site-nav .nav-download {
  margin-left: 6px;
  color: #21160b;
  background: linear-gradient(180deg, #ffd979, var(--gold));
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(240, 184, 90, .2);
}

.site-nav .nav-download:hover,
.site-nav .nav-download:focus-visible {
  color: #160f06;
  background: linear-gradient(180deg, #ffe39a, #f4bf63);
  box-shadow: 0 14px 30px rgba(240, 184, 90, .3);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--text);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transform-origin: center;
  transition: opacity .2s ease, transform .2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.section {
  padding: 88px 0;
}

.section-dark {
  color: var(--text);
  background: var(--bg);
}

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 16, 12, .98) 0%, rgba(7, 16, 12, .78) 42%, rgba(7, 16, 12, .95) 100%),
    linear-gradient(180deg, rgba(227, 109, 50, .24), rgba(7, 16, 12, .04) 45%),
    url("img/tu5.webp") center / cover no-repeat;
  transform: scale(1.03);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px) 0 0 / 72px 72px,
    linear-gradient(180deg, rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 72px 72px;
  mask-image: linear-gradient(90deg, #000 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: 1;
  height: 190px;
  background: linear-gradient(180deg, rgba(7, 16, 12, 0), var(--bg));
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 540px);
  gap: 56px;
  align-items: center;
  padding: 78px 0 50px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

h1,
h2,
h3,
h4,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 780px;
  color: var(--gold);
  background: linear-gradient(90deg, #ffd878 0%, var(--gold) 48%, #8bc47a 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: clamp(32px, 4.8vw, 58px);
  line-height: 1.08;
  letter-spacing: 0;
  text-shadow: 0 8px 28px rgba(0, 0, 0, .34);
}

h2 {
  position: relative;
  width: fit-content;
  max-width: 100%;
  margin: 0 0 18px;
  padding-bottom: 12px;
  color: var(--green-dark);
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.16;
  letter-spacing: 0;
}

h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(108px, 45%);
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--green), var(--teal));
}

.section-dark h2,
.route-map-section h2,
.updates-section h2,
.cta-card h2 {
  color: var(--gold);
}

h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: 0;
}

h4 {
  margin: 0 0 8px;
  font-size: 16px;
}

p {
  margin: 0 0 16px;
}

.hero-subtitle {
  max-width: 720px;
  margin-top: 22px;
  color: #dfe7d6;
  font-size: 18px;
}

.resource-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.resource-tags span {
  padding: 7px 10px;
  color: #f8f3e7;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 6px;
  background: rgba(255, 255, 255, .08);
  font-size: 13px;
  font-weight: 800;
}

.hero-actions,
.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 900;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-3px);
  outline: 0;
}

.btn-primary {
  color: #21160b;
  background: linear-gradient(180deg, #ffd878, var(--gold));
  box-shadow: 0 14px 28px rgba(240, 184, 90, .24);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(180deg, #ffe7a1, #f4bf63);
  box-shadow: 0 20px 38px rgba(240, 184, 90, .34);
}

.btn-secondary {
  color: var(--text);
  border-color: rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .08);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(255, 255, 255, .44);
  background: rgba(255, 255, 255, .14);
}

.survival-bars {
  display: grid;
  gap: 9px;
  max-width: 360px;
  margin-top: 24px;
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, .2);
}

.survival-bars div {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 10px;
  align-items: center;
}

.survival-bars span {
  color: #e8f0dd;
  font-size: 12px;
  font-weight: 800;
}

.survival-bars i {
  position: relative;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
}

.survival-bars i::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--value);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--gold));
}

.hero-facts {
  margin: 26px 0 0;
}

.hero-facts div {
  min-width: 136px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .08);
}

.hero-facts dt,
.hero-facts dd {
  margin: 0;
}

.hero-facts dt {
  color: var(--muted);
  font-size: 12px;
}

.hero-facts dd {
  color: #fff;
  font-weight: 900;
}

.hero-media {
  position: relative;
  margin: 0;
  padding-top: 34px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .2);
  background: #101815;
  box-shadow: var(--shadow);
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.hero-media:hover {
  transform: translateY(-6px);
  border-color: rgba(240, 184, 90, .42);
  box-shadow: 0 30px 80px rgba(4, 9, 6, .42);
}

.hero-media::before {
  content: "MAD ISLAND / SURVIVAL LOG";
  position: absolute;
  inset: 0 0 auto;
  height: 34px;
  display: flex;
  align-items: center;
  padding-left: 42px;
  color: #dbe5d2;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  background:
    radial-gradient(circle at 15px 17px, #e36d32 0 4px, transparent 5px),
    radial-gradient(circle at 28px 17px, #f0b85a 0 4px, transparent 5px),
    linear-gradient(180deg, #213026, #142019);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.route-map-section {
  position: relative;
  color: var(--text);
  background:
    linear-gradient(180deg, #101a14 0%, #18231b 100%);
  border-top: 1px solid rgba(255, 255, 255, .08);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.route-map-section .section-heading p:not(.eyebrow) {
  color: #d6e1cf;
}

.route-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.route-map::before {
  content: "";
  position: absolute;
  left: 9%;
  right: 9%;
  top: 27px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--teal), var(--fire));
  opacity: .72;
}

.route-node {
  position: relative;
  z-index: 1;
  min-height: 220px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .035));
  box-shadow: 0 18px 44px rgba(0, 0, 0, .18);
  transition: transform .24s ease, border-color .24s ease, background .24s ease, box-shadow .24s ease;
}

.route-node:hover {
  transform: translateY(-6px);
  border-color: rgba(240, 184, 90, .42);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .055));
  box-shadow: 0 26px 56px rgba(0, 0, 0, .26);
}

.route-node span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  height: 34px;
  margin-bottom: 18px;
  padding: 0 10px;
  color: #1e1608;
  border-radius: 6px;
  background: var(--gold);
  font-size: 12px;
  font-weight: 900;
}

.route-node h3 {
  color: #fff;
}

.route-node p {
  color: #d8e2d1;
  font-size: 14px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 44px;
  align-items: start;
}

.two-col.reversed {
  grid-template-columns: 500px minmax(0, 1fr);
  align-items: center;
}

.section-copy p {
  color: #334033;
}

.section-dark .section-copy p {
  color: #dbe5d2;
}

.info-panel {
  position: sticky;
  top: 98px;
  padding: 24px;
  border: 1px solid rgba(70, 82, 66, .24);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 250, 240, .98), rgba(244, 235, 216, .98));
  box-shadow: var(--soft-shadow);
  transition: transform .24s ease, box-shadow .24s ease;
}

.info-panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 52px rgba(48, 35, 12, .14);
}

.info-panel h3 {
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(154, 98, 40, .2);
}

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

.meta-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-top: 1px solid var(--line-dark);
}

.meta-list li:first-child {
  border-top: 0;
}

.meta-list span {
  color: var(--muted-dark);
}

.meta-list strong {
  text-align: right;
}

.content-section {
  background:
    linear-gradient(180deg, var(--paper-2), #f4ecd9);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow) {
  color: #455243;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-flow: dense;
  gap: 18px;
}

.feature-card {
  position: relative;
  min-height: 236px;
  padding: 22px;
  border: 1px solid rgba(24, 33, 24, .13);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 252, 244, .94), rgba(247, 238, 220, .94));
  box-shadow: var(--soft-shadow);
  overflow: hidden;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}

.feature-card:hover {
  transform: translateY(-7px);
  border-color: rgba(154, 98, 40, .28);
  box-shadow: 0 24px 54px rgba(64, 49, 22, .14);
}

.feature-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--gold), var(--teal));
  transform: scaleX(.72);
  transform-origin: left;
  transition: transform .24s ease;
}

.feature-card:hover::after {
  transform: scaleX(1);
}

.feature-card-wide {
  grid-column: span 2;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 18px;
  color: #241908;
  background: var(--gold);
  border-radius: 6px;
  font-weight: 900;
}

.feature-card p {
  color: #465442;
  font-size: 15px;
}

.gallery-section {
  background: #fbf7ed;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.gallery-item {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  box-shadow: 0 18px 50px rgba(22, 27, 18, .14);
  transition: transform .24s ease, box-shadow .24s ease;
}

.gallery-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 62px rgba(22, 27, 18, .22);
}

.gallery-item.large {
  grid-column: span 7;
  grid-row: span 2;
}

.gallery-item:not(.large) {
  grid-column: span 5;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  min-height: 230px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .34s ease, filter .34s ease;
}

.gallery-item:hover img {
  transform: scale(1.035);
  filter: saturate(1.05) contrast(1.03);
}

.guide-section {
  background:
    linear-gradient(180deg, #fffaf0 0%, #f4ead8 100%);
}

.guide-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.guide-tabs {
  position: sticky;
  top: 98px;
  display: grid;
  gap: 8px;
}

.guide-tabs button {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(24, 33, 24, .15);
  border-left: 4px solid transparent;
  border-radius: 6px;
  color: #263024;
  background: #f4efe3;
  text-align: left;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.guide-tabs button.active,
.guide-tabs button:hover,
.guide-tabs button:focus-visible {
  background: #1c2b20;
  color: #fff;
  border-color: #1c2b20;
  border-left-color: var(--gold);
  transform: translateX(2px);
  box-shadow: 0 10px 22px rgba(24, 33, 24, .12);
  outline: 0;
}

.guide-panels {
  padding: 30px;
  border: 1px solid rgba(24, 33, 24, .14);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(255, 249, 238, .98));
  box-shadow: var(--soft-shadow);
  transition: box-shadow .24s ease, border-color .24s ease;
}

.guide-panels:hover {
  border-color: rgba(154, 98, 40, .24);
  box-shadow: 0 24px 54px rgba(48, 35, 12, .13);
}

.guide-panel {
  display: none;
}

.guide-panel.active {
  display: block;
}

.guide-panel ol {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.guide-panel li {
  position: relative;
  min-height: 40px;
  padding: 9px 10px 9px 48px;
  border: 1px solid rgba(24, 33, 24, .1);
  border-radius: 6px;
  background: #fbf6eb;
  counter-increment: step;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.guide-panel li:hover {
  transform: translateX(4px);
  border-color: rgba(154, 98, 40, .24);
  background: #fff8ea;
}

.guide-panel li::before {
  content: counter(step);
  position: absolute;
  left: 10px;
  top: 9px;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: #1d1609;
  background: var(--gold);
  font-size: 12px;
  font-weight: 900;
}

.guide-note {
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 4px solid var(--fire);
  border-radius: 0 6px 6px 0;
  background: #f7ead7;
  color: #394434;
}

.guide-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.guide-columns > div {
  padding: 18px;
  border: 1px solid rgba(24, 33, 24, .1);
  border-radius: var(--radius);
  background: #fbf6eb;
}

.route-section {
  background:
    linear-gradient(180deg, rgba(16, 26, 20, .96), rgba(8, 17, 13, .98)),
    url("img/tu4.webp") center / cover no-repeat;
}

.section-image {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}

.section-image:hover {
  transform: translateY(-6px);
  border-color: rgba(240, 184, 90, .42);
  box-shadow: 0 30px 72px rgba(4, 9, 6, .34);
}

.section-image img {
  transition: transform .34s ease, filter .34s ease;
}

.section-image:hover img {
  transform: scale(1.035);
  filter: saturate(1.06) contrast(1.03);
}

.section-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.checklist {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.checklist span {
  padding: 8px 12px;
  border-radius: 6px;
  color: #111a12;
  background: #dcecc6;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease;
}

.checklist span:hover {
  transform: translateY(-2px);
  background: #ecf8d8;
}

.faq-section {
  background: #efe8d7;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: #fffaf0;
  overflow: hidden;
  box-shadow: 0 8px 22px rgba(48, 35, 12, .05);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.faq-item:hover {
  transform: translateY(-3px);
  border-color: rgba(154, 98, 40, .24);
  box-shadow: 0 16px 34px rgba(48, 35, 12, .1);
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 900;
  transition: color .2s ease, background .2s ease;
}

.faq-item summary:hover,
.faq-item summary:focus-visible {
  color: var(--gold-dark);
  background: rgba(240, 184, 90, .08);
  outline: 0;
}

.faq-item p {
  padding: 0 20px 18px;
  color: #455243;
}

.updates-section {
  color: var(--text);
  background:
    linear-gradient(180deg, #17231b 0%, #101812 100%);
}

.updates-section .section-heading p:not(.eyebrow) {
  color: #d6e1cf;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 142px minmax(0, 1fr);
  gap: 20px;
  min-height: 168px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .035));
  box-shadow: 0 18px 44px rgba(0, 0, 0, .18);
  transition: transform .24s ease, border-color .24s ease, background .24s ease, box-shadow .24s ease;
}

.timeline-item:hover {
  transform: translateY(-6px);
  border-color: rgba(240, 184, 90, .38);
  background: linear-gradient(180deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .055));
  box-shadow: 0 28px 60px rgba(0, 0, 0, .28);
}

.timeline-item time {
  display: grid;
  align-content: start;
  gap: 10px;
  color: var(--gold);
  font-weight: 900;
}

.timeline-item time span,
.timeline-item time em {
  display: inline-flex;
  width: fit-content;
  padding: 6px 9px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .08);
  font-style: normal;
}

.timeline-item time em {
  color: #101812;
  background: var(--gold);
  font-size: 12px;
}

.timeline-item h3 {
  color: #fff;
}

.timeline-item p {
  color: #d8e2d1;
}

.cta-section {
  padding-top: 52px;
  background: #fbf7ed;
}

.cta-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  padding: 34px;
  border-radius: var(--radius);
  color: var(--text);
  background:
    radial-gradient(circle at 12% 20%, rgba(240, 184, 90, .22), transparent 28%),
    linear-gradient(135deg, rgba(28, 43, 32, .98), rgba(8, 17, 13, .98));
  box-shadow: var(--shadow);
  transition: transform .24s ease, box-shadow .24s ease;
}

.cta-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 30px 70px rgba(4, 9, 6, .32);
}

.cta-card p {
  max-width: 720px;
  color: #e4eddb;
}

.site-footer {
  color: #dce6d4;
  background: #08110d;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.footer-inner p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner a {
  color: var(--gold);
  font-weight: 900;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1100px) {
  .route-map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .route-map::before {
    display: none;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .header-inner {
    min-height: 66px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 14px;
    right: 14px;
    top: calc(100% + 8px);
    display: none;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(8, 17, 13, .98);
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 12px;
  }

  .site-nav .nav-download {
    margin-left: 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid,
  .two-col,
  .two-col.reversed,
  .guide-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 28px;
  }

  .hero-media {
    max-width: 660px;
  }

  .info-panel,
  .guide-tabs {
    position: static;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery-item.large,
  .gallery-item:not(.large) {
    grid-column: auto;
    grid-row: auto;
  }

  .guide-tabs {
    display: flex;
    overflow-x: auto;
    padding-bottom: 4px;
    scroll-snap-type: x mandatory;
  }

  .guide-tabs button {
    min-width: 140px;
    scroll-snap-align: start;
    text-align: center;
  }

  .timeline {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 68px 0;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .brand img {
    width: 58px;
    height: 34px;
  }

  .brand strong {
    font-size: 14px;
  }

  .hero-grid {
    padding-top: 44px;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 24px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .survival-bars {
    max-width: none;
  }

  .hero-facts,
  .route-map,
  .feature-grid,
  .gallery-grid,
  .guide-columns,
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .feature-card-wide {
    grid-column: auto;
  }

  .gallery-item img {
    min-height: auto;
  }

  .guide-panels {
    padding: 20px;
  }

  .timeline-item {
    gap: 12px;
  }

  .cta-card,
  .footer-inner {
    display: grid;
  }

  .section {
    padding: 54px 0;
  }
}