:root {
	--ink: #08252c;
	--abyss: #0a3741;
	--current: #0d5860;
	--reef: #1b8d8b;
	--glow: #9bddd1;
	--foam: #f4f1e8;
	--sand: #d8d0bd;
	--coral: #ff7a55;
	--coral-dark: #c94d34;
	--line: rgba(219, 241, 233, 0.25);
	--dark-line: rgba(8, 37, 44, 0.18);
	--container: 1440px;
	--gutter: clamp(22px, 4vw, 64px);
	--header-height: 112px;
	--ease: cubic-bezier(0.22, 0.61, 0.36, 1);
	--font: "Noto Sans TC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--foam); color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.8; }
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { max-width: 720px; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 200; transform: translateY(-160%); padding: 10px 16px; background: var(--foam); color: var(--ink); }
.skip-link:focus { transform: translateY(0); }
.section-shell { width: min(100%, var(--container)); margin: 0 auto; padding-inline: var(--gutter); }
.section-heading { display: grid; grid-template-columns: minmax(170px, 0.55fr) minmax(280px, 1.45fr); gap: clamp(30px, 7vw, 120px); align-items: start; }
.section-kicker { display: flex; gap: 14px; align-items: center; color: var(--current); font-size: 14px; font-weight: 700; letter-spacing: 0.14em; }
.section-kicker::before { width: 34px; height: 2px; background: var(--coral); content: ""; }
.section-heading h2 { max-width: 780px; font-size: clamp(30px, 4vw, 52px); line-height: 1.24; letter-spacing: -0.025em; }
.section-heading p { margin-top: 18px; color: rgba(8, 37, 44, 0.72); }
.text-link { display: inline-flex; align-items: center; gap: 14px; min-height: 44px; margin-top: 28px; border-bottom: 2px solid currentColor; color: var(--coral-dark); font-weight: 700; }
.text-link::after { content: "→"; transition: transform 0.3s var(--ease); }
.text-link:hover::after { transform: translateX(6px); }
.reveal-line { position: relative; }
.reveal-line::after { position: absolute; right: 0; bottom: 0; left: 0; height: 1px; transform: scaleX(0); transform-origin: left; background: currentColor; content: ""; transition: transform 0.9s var(--ease); }
.reveal-line.is-visible::after { transform: scaleX(1); }
.media-reveal { overflow: hidden; }
.media-reveal img { filter: saturate(0.62) contrast(0.94); transition: filter 1s var(--ease), transform 1.3s var(--ease); }
.media-reveal.is-visible img { filter: saturate(1) contrast(1); transform: scale(1.015); }

/* header */
header { position: absolute; top: 0; right: 0; left: 0; z-index: 60; color: var(--foam); transition: background 0.35s var(--ease), color 0.35s var(--ease), transform 0.35s var(--ease); }
header.is-scrolled { position: fixed; background: rgba(8, 37, 44, 0.96); color: var(--foam); }
header .header-console { display: grid; grid-template-columns: minmax(210px, 1fr) auto; width: min(100%, var(--container)); min-height: 62px; margin: 0 auto; padding: 0 var(--gutter); border-bottom: 1px solid var(--line); align-items: center; }
header h1 { display: flex; gap: 12px; align-items: baseline; font-size: 18px; line-height: 1.3; letter-spacing: 0.04em; }
header h1 strong { color: var(--coral); font-size: 15px; letter-spacing: 0.16em; }
header .language-list { display: flex; gap: 4px; align-items: center; }
header .language-button { min-width: 48px; min-height: 36px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: rgba(244, 241, 232, 0.68); cursor: pointer; font-size: 13px; font-weight: 700; }
header .language-button.is-active { border-color: var(--coral); color: var(--foam); }
header .header-navigation { display: grid; grid-template-columns: 1fr auto; width: min(100%, var(--container)); min-height: 50px; margin: 0 auto; padding: 0 var(--gutter); border-bottom: 1px solid var(--line); align-items: center; }
header .navigation-list { display: flex; gap: clamp(22px, 3vw, 48px); align-items: center; }
header .navigation-list a { position: relative; font-size: 14px; font-weight: 600; letter-spacing: 0.04em; }
header .navigation-list a::after { position: absolute; right: 0; bottom: -14px; left: 0; height: 2px; transform: scaleX(0); background: var(--coral); content: ""; transition: transform 0.3s var(--ease); }
header .navigation-list a:hover::after, header .navigation-list a.is-active::after { transform: scaleX(1); }
header .header-status { display: flex; gap: 12px; align-items: center; font-size: 13px; font-weight: 600; }
header .header-status::before { width: 8px; height: 8px; background: var(--glow); content: ""; box-shadow: 0 0 0 5px rgba(155, 221, 209, 0.14); }
header .menu-toggle { display: none; width: 46px; height: 42px; border: 1px solid var(--line); background: transparent; cursor: pointer; }
header .menu-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; background: currentColor; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
header .menu-toggle.is-active span:first-child { transform: translateY(7px) rotate(45deg); }
header .menu-toggle.is-active span:nth-child(2) { opacity: 0; }
header .menu-toggle.is-active span:last-child { transform: translateY(-7px) rotate(-45deg); }

/* hero */
#hero { position: relative; min-height: 900px; color: var(--foam); background: var(--abyss); }
#hero .hero-image { position: absolute; inset: 0; }
#hero .hero-image::after { position: absolute; inset: 0; background: linear-gradient( 90deg, rgba(4, 29, 35, 0.88) 0%, rgba(4, 29, 35, 0.54) 45%, rgba(4, 29, 35, 0.16) 72%, rgba(4, 29, 35, 0.48) 100% ); content: ""; }
#hero .hero-image img { height: 100%; object-fit: cover; object-position: center 46%; }
#hero .hero-shell { position: relative; z-index: 2; display: grid; grid-template-columns: 92px minmax(0, 1fr); min-height: 900px; width: min(100%, var(--container)); margin: 0 auto; padding: calc(var(--header-height) + 92px) var(--gutter) 54px; }
#hero .depth-rail { display: flex; flex-direction: column; justify-content: space-between; min-height: 560px; padding: 12px 22px 10px 0; border-right: 1px solid var(--line); font-size: 12px; letter-spacing: 0.12em; }
#hero .depth-mark { position: relative; color: rgba(244, 241, 232, 0.58); }
#hero .depth-mark::after { position: absolute; top: 50%; right: -23px; width: 11px; height: 1px; background: var(--foam); content: ""; }
#hero .hero-content { display: grid; grid-template-rows: 1fr auto; padding-left: clamp(28px, 6vw, 90px); }
#hero .hero-copy { align-self: center; max-width: 800px; }
#hero .hero-eyebrow { display: inline-flex; gap: 12px; align-items: center; margin-bottom: 24px; color: var(--glow); font-size: 14px; font-weight: 700; letter-spacing: 0.14em; }
#hero .hero-eyebrow::before { width: 36px; height: 2px; background: var(--coral); content: ""; }
#hero h2 { max-width: 760px; font-size: clamp(42px, 6.3vw, 78px); line-height: 1.12; letter-spacing: -0.035em; }
#hero .hero-summary { max-width: 630px; margin-top: 28px; color: rgba(244, 241, 232, 0.82); font-size: clamp(17px, 1.5vw, 20px); }
#hero .hero-actions { display: flex; flex-wrap: wrap; gap: 14px 26px; margin-top: 34px; }
#hero .hero-action { display: inline-flex; min-height: 48px; padding: 10px 0; border-bottom: 2px solid var(--coral); align-items: center; gap: 14px; font-weight: 700; }
#hero .hero-action.secondary { border-color: rgba(244, 241, 232, 0.48); }
#hero .hero-action::after { content: "↘"; transition: transform 0.3s var(--ease); }
#hero .hero-action:hover::after { transform: translate(4px, 4px); }
#hero .hero-route { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 70px; border-top: 1px solid var(--line); }
#hero .route-stop { min-height: 96px; padding: 17px 18px 12px 0; border-right: 1px solid var(--line); }
#hero .route-stop:last-child { border-right: 0; padding-left: 18px; }
#hero .route-stop:not(:first-child) { padding-left: 18px; }
#hero .route-depth { display: block; color: var(--glow); font-size: 12px; font-weight: 700; letter-spacing: 0.12em; }
#hero .route-name { display: block; margin-top: 6px; font-size: 15px; font-weight: 600; }

/* world */
#world { padding: clamp(90px, 10vw, 160px) 0 0; background: var(--foam); }
#world .zone-switcher { display: grid; grid-template-columns: 280px minmax(0, 1fr); margin-top: 64px; border-top: 1px solid var(--dark-line); }
#world .zone-tabs { border-right: 1px solid var(--dark-line); }
#world .zone-tab { display: grid; grid-template-columns: 58px 1fr; width: 100%; min-height: 104px; padding: 22px 24px 20px 0; border: 0; border-bottom: 1px solid var(--dark-line); background: transparent; text-align: left; cursor: pointer; }
#world .zone-tab strong { color: var(--coral-dark); font-size: 13px; letter-spacing: 0.12em; }
#world .zone-tab span { font-weight: 700; }
#world .zone-tab.is-active { background: var(--sand); padding-left: 22px; }
#world .zone-panel { display: none; grid-template-columns: minmax(0, 1.45fr) minmax(270px, 0.55fr); min-height: 590px; }
#world .zone-panel.is-active { display: grid; }
#world .zone-panel figure { position: relative; min-height: 590px; overflow: hidden; }
#world .zone-panel figure img { height: 100%; object-fit: cover; }
#world .zone-panel:nth-child(1) figure img { object-position: center 48%; }
#world .zone-panel:nth-child(2) figure img { object-position: center 45%; }
#world .zone-panel:nth-child(3) figure img { object-position: center 40%; }
#world .zone-copy { display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(30px, 5vw, 72px); background: var(--abyss); color: var(--foam); }
#world .zone-copy .zone-depth { color: var(--glow); font-size: 13px; font-weight: 700; letter-spacing: 0.14em; }
#world .zone-copy h3 { margin-top: 14px; font-size: clamp(26px, 3vw, 40px); line-height: 1.3; }
#world .zone-copy p { margin-top: 18px; color: rgba(244, 241, 232, 0.72); }

/* missions */
#missions { position: relative; padding: clamp(100px, 12vw, 180px) 0; overflow: hidden; background: var(--current); color: var(--foam); }
#missions::before { position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(rgba(244, 241, 232, .18) 1px, transparent 1px), linear-gradient(90deg, rgba(244, 241, 232, .18) 1px, transparent 1px); background-size: 72px 72px; content: ""; }
#missions .section-shell { position: relative; z-index: 2; }
#missions .section-kicker { color: var(--glow); }
#missions .section-heading p { color: rgba(244, 241, 232, .72); }
#missions .mission-layout { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(420px, .88fr); min-height: 760px; margin-top: 72px; border: 1px solid rgba(244, 241, 232, .24); background: rgba(5, 47, 54, .5); }
#missions .mission-visual { position: relative; min-width: 0; min-height: 760px; overflow: hidden; border-right: 1px solid rgba(244, 241, 232, .22); background: var(--abyss); }
#missions .mission-visual figure { position: absolute; inset: 0; }
#missions .mission-visual figure::after { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(4, 29, 35, .12) 0%, rgba(4, 29, 35, .18) 38%, rgba(4, 29, 35, .88) 100%); content: ""; }
#missions .mission-visual img { height: 100%; object-fit: cover; object-position: center; filter: saturate(.86) contrast(.96); transition: transform 1.2s var(--ease), filter 1.2s var(--ease); }
#missions .mission-visual:hover img { transform: scale(1.025); filter: saturate(1) contrast(1); }
#missions .mission-visual-status { position: absolute; top: 28px; left: 28px; display: flex; gap: 12px; padding: 10px 13px; border-left: 3px solid var(--coral); background: rgba(5, 37, 43, .78); align-items: center; backdrop-filter: blur(4px); }
#missions .mission-visual-status span { color: var(--glow); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
#missions .mission-visual-status strong { font-size: 12px; letter-spacing: .13em; }
#missions .mission-visual-copy { position: absolute; right: 34px; bottom: 132px; left: 34px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 36px; align-items: end; }
#missions .mission-visual-copy h3 { max-width: 620px; font-size: clamp(26px, 3vw, 42px); line-height: 1.28; }
#missions .mission-visual-copy p { max-width: 580px; margin-top: 16px; color: rgba(244, 241, 232, .72); font-size: 15px; line-height: 1.75; }
#missions .mission-progress { min-width: 112px; padding-left: 22px; border-left: 1px solid rgba(244, 241, 232, .3); }
#missions .mission-progress span { display: block; color: rgba(244, 241, 232, .58); font-size: 11px; letter-spacing: .1em; }
#missions .mission-progress strong { display: block; margin-top: 7px; color: var(--coral); font-size: 24px; }
#missions .mission-route-strip { position: absolute; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(4, 1fr); min-height: 96px; border-top: 1px solid rgba(244, 241, 232, .25); background: rgba(5, 37, 43, .82); }
#missions .mission-route-stop { position: relative; display: flex; flex-direction: column; justify-content: center; min-width: 0; padding: 15px 15px 15px 26px; border-right: 1px solid rgba(244, 241, 232, .18); }
#missions .mission-route-stop:last-child { border-right: 0; }
#missions .mission-route-stop::before { position: absolute; top: 24px; left: 0; width: 100%; height: 1px; background: rgba(155, 221, 209, .32); content: ""; }
#missions .mission-route-stop i { position: absolute; top: 19px; left: 17px; z-index: 2; width: 11px; height: 11px; border: 2px solid var(--glow); background: var(--abyss); }
#missions .mission-route-stop.is-complete i { background: var(--glow); }
#missions .mission-route-stop.is-current i { border-color: var(--coral); background: var(--coral); box-shadow: 0 0 0 6px rgba(255, 122, 85, .16); }
#missions .mission-route-stop span { position: relative; z-index: 2; display: block; width: max-content; margin-top: 18px; color: var(--glow); font-size: 10px; font-weight: 700; letter-spacing: .1em; }
#missions .mission-route-stop strong { display: block; overflow: hidden; margin-top: 3px; color: rgba(244, 241, 232, .72); font-size: 11px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
#missions .mission-list { display: grid; grid-template-rows: repeat(4, 1fr); min-width: 0; }
#missions .mission-entry { display: grid; grid-template-columns: 64px minmax(0, 1fr); min-height: 190px; border-bottom: 1px solid rgba(244, 241, 232, .2); background: rgba(8, 74, 82, .34); transition: background .35s var(--ease); }
#missions .mission-entry:last-child { border-bottom: 0; }
#missions .mission-entry:hover { background: rgba(8, 74, 82, .72); }
#missions .mission-entry.is-current { background: rgba(8, 74, 82, .82); box-shadow: inset 4px 0 0 var(--coral); }
#missions .mission-entry-number { position: relative; display: flex; justify-content: center; padding-top: 30px; border-right: 1px solid rgba(244, 241, 232, .16); }
#missions .mission-entry-number span { position: relative; z-index: 2; display: grid; width: 30px; height: 30px; border: 1px solid var(--glow); place-items: center; color: var(--glow); font-size: 11px; font-weight: 800; }
#missions .mission-entry.is-complete .mission-entry-number span { background: var(--glow); color: var(--ink); }
#missions .mission-entry.is-current .mission-entry-number span { border-color: var(--coral); background: var(--coral); color: var(--ink); }
#missions .mission-entry-number i { position: absolute; top: 60px; bottom: 0; left: 50%; width: 1px; background: rgba(155, 221, 209, .24); }
#missions .mission-entry:last-child .mission-entry-number i { display: none; }
#missions .mission-entry-body { display: flex; flex-direction: column; justify-content: center; min-width: 0; padding: 24px 26px; }
#missions .mission-entry-meta { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
#missions .mission-code { color: var(--glow); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
#missions .mission-state { color: rgba(244, 241, 232, .48); font-size: 10px; font-weight: 700; letter-spacing: .08em; }
#missions .mission-entry.is-current .mission-state { color: var(--coral); }
#missions .mission-entry h3 { margin-top: 7px; font-size: clamp(19px, 1.7vw, 25px); line-height: 1.35; }
#missions .mission-entry p { max-width: 520px; margin-top: 8px; color: rgba(244, 241, 232, .66); font-size: 13px; line-height: 1.65; }
#missions .mission-entry-footer { display: flex; justify-content: space-between; gap: 20px; margin-top: 14px; align-items: center; }
#missions .mission-cargo { display: flex; flex-wrap: wrap; gap: 7px; }
#missions .mission-cargo span { padding: 3px 8px; border: 1px solid rgba(155, 221, 209, .42); color: var(--glow); font-size: 10px; }
#missions .mission-entry-footer>strong { color: rgba(244, 241, 232, .44); font-size: 10px; letter-spacing: .11em; }

/* vehicle */
#vehicle { padding: clamp(100px, 12vw, 180px) 0; background: var(--sand); }
#vehicle .vehicle-stage { display: grid; grid-template-columns: minmax(210px, 0.5fr) minmax(0, 1.5fr); margin-top: 70px; border-top: 1px solid var(--dark-line); border-bottom: 1px solid var(--dark-line); }
#vehicle .vehicle-index { padding: 42px 34px 42px 0; border-right: 1px solid var(--dark-line); }
#vehicle .vehicle-index h3 { font-size: clamp(24px, 3vw, 36px); line-height: 1.3; }
#vehicle .vehicle-index p { margin-top: 18px; color: rgba(8, 37, 44, 0.7); }
#vehicle .specification-list { margin-top: 34px; border-top: 1px solid var(--dark-line); }
#vehicle .specification-row { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--dark-line); font-size: 14px; }
#vehicle .specification-row strong { color: var(--coral-dark); }
#vehicle .vehicle-visual { position: relative; min-height: 650px; overflow: hidden; background: var(--abyss); }
#vehicle .vehicle-visual img { height: 100%; object-fit: cover; object-position: center; opacity: 0.84; }
#vehicle .vehicle-caption { position: absolute; right: 0; bottom: 0; width: min(430px, 82%); padding: 26px 30px; background: var(--foam); }
#vehicle .vehicle-caption strong { display: block; color: var(--coral-dark); font-size: 13px; letter-spacing: 0.12em; }
#vehicle .vehicle-caption p { margin-top: 8px; font-size: 15px; }

/* creatures */
#creatures { padding: clamp(100px, 12vw, 180px) 0; background: var(--foam); }
#creatures .creature-transect { display: grid; grid-template-columns: 1.1fr 0.7fr 1fr; gap: 18px; margin-top: 70px; align-items: end; }
#creatures .creature-entry { position: relative; }
#creatures .creature-entry:nth-child(2) { margin-bottom: 92px; }
#creatures .creature-entry figure { overflow: hidden; background: var(--abyss); }
#creatures .creature-entry:nth-child(1) figure { aspect-ratio: 4/5; }
#creatures .creature-entry:nth-child(2) figure { aspect-ratio: 3/4; }
#creatures .creature-entry:nth-child(3) figure { aspect-ratio: 4/5; }
#creatures .creature-entry img { height: 100%; object-fit: cover; }
#creatures .creature-entry:nth-child(1) img { object-position: center; }
#creatures .creature-entry:nth-child(2) img { object-position: center 38%; }
#creatures .creature-entry:nth-child(3) img { object-position: center; }
#creatures .creature-label { display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding-top: 18px; }
#creatures .creature-label strong { color: var(--coral-dark); font-size: 13px; letter-spacing: 0.1em; }
#creatures .creature-label h3 { font-size: 20px; }
#creatures .creature-label p { margin-top: 5px; color: rgba(8, 37, 44, 0.65); font-size: 14px; line-height: 1.65; }

/* base */
#base { padding: clamp(100px, 11vw, 160px) 0; background: var(--abyss); color: var(--foam); }
#base .base-layout { display: grid; grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr); gap: clamp(40px, 8vw, 130px); }
#base .base-intro { position: sticky; top: 150px; align-self: start; }
#base .base-intro h2 { margin-top: 18px; font-size: clamp(30px, 4vw, 50px); line-height: 1.25; }
#base .base-intro p { margin-top: 24px; color: rgba(244, 241, 232, 0.7); }
#base .transmission-list { border-top: 1px solid var(--line); }
#base .transmission-item { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 26px; padding: 34px 0; border-bottom: 1px solid var(--line); }
#base .transmission-meta { color: var(--glow); font-size: 12px; font-weight: 700; letter-spacing: 0.11em; }
#base .transmission-item h3 { font-size: clamp(21px, 2.3vw, 30px); }
#base .transmission-item blockquote { margin-top: 12px; color: rgba(244, 241, 232, 0.74); }
#base .transmission-role { display: block; margin-top: 15px; color: var(--coral); font-size: 13px; font-weight: 700; }

/* equipment */
#equipment { padding: clamp(100px, 12vw, 180px) 0; background: var(--foam); }
#equipment .equipment-layout { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr); gap: clamp(40px, 7vw, 110px); margin-top: 68px; align-items: start; }
#equipment .equipment-list { border-top: 1px solid var(--dark-line); }
#equipment .equipment-row { display: grid; grid-template-columns: 62px minmax(180px, 0.7fr) minmax(240px, 1.3fr); gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--dark-line); }
#equipment .equipment-level { color: var(--coral-dark); font-size: 13px; font-weight: 800; letter-spacing: 0.12em; }
#equipment .equipment-row h3 { font-size: 20px; }
#equipment .equipment-row p { color: rgba(8, 37, 44, 0.65); font-size: 15px; }
#equipment .equipment-image { position: sticky; top: 150px; }
#equipment .equipment-image figure { aspect-ratio: 4/5; overflow: hidden; background: var(--abyss); }
#equipment .equipment-image img { height: 100%; object-fit: cover; object-position: center; }
#equipment .equipment-image figcaption { padding-top: 16px; color: rgba(8, 37, 44, 0.65); font-size: 14px; }

/* journal */
#journal { padding: clamp(100px, 12vw, 180px) 0; background: var(--sand); }
#journal .journal-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr); gap: 18px; margin-top: 68px; }
#journal .journal-feature { display: grid; grid-template-rows: auto 1fr; min-height: 700px; background: var(--foam); }
#journal .journal-feature figure { aspect-ratio: 16/9; overflow: hidden; }
#journal .journal-feature img { height: 100%; object-fit: cover; }
#journal .journal-copy { display: flex; flex-direction: column; justify-content: space-between; padding: clamp(28px, 5vw, 64px); }
#journal .journal-copy h3 { max-width: 640px; font-size: clamp(27px, 3.3vw, 42px); line-height: 1.3; }
#journal .journal-copy p { margin-top: 18px; color: rgba(8, 37, 44, 0.68); }
#journal .journal-side { display: grid; grid-template-rows: 1fr 1fr; gap: 18px; }
#journal .journal-note { display: flex; flex-direction: column; justify-content: space-between; min-height: 330px; padding: 32px; border: 1px solid var(--dark-line); background: transparent; }
#journal .journal-note strong { color: var(--coral-dark); font-size: 13px; letter-spacing: 0.12em; }
#journal .journal-note h3 { margin-top: 18px; font-size: 24px; line-height: 1.4; }
#journal .journal-note p { margin-top: 14px; color: rgba(8, 37, 44, 0.67); font-size: 15px; }
#journal .journal-note time { display: block; margin-top: 30px; font-size: 13px; font-weight: 700; }

/* trailer */
#trailer { position: relative; min-height: 760px; background: var(--abyss); color: var(--foam); overflow: hidden; }
#trailer .trailer-image { position: absolute; inset: 0; }
#trailer .trailer-image::after { position: absolute; inset: 0; background: rgba(4, 29, 35, 0.56); content: ""; }
#trailer .trailer-image img { height: 100%; object-fit: cover; object-position: center 48%; }
#trailer .trailer-shell { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; min-height: 760px; width: min(100%, var(--container)); margin: 0 auto; padding: 110px var(--gutter) 72px; align-items: end; }
#trailer .trailer-copy { max-width: 640px; }
#trailer .trailer-copy h2 { margin-top: 18px; font-size: clamp(36px, 5vw, 64px); line-height: 1.2; }
#trailer .trailer-copy p { margin-top: 22px; color: rgba(244, 241, 232, 0.78); }
#trailer .trailer-play { justify-self: end; display: grid; width: 172px; min-height: 172px; border: 1px solid rgba(244, 241, 232, 0.58); place-items: center; text-align: center; font-weight: 700; transition: background 0.3s var(--ease), color 0.3s var(--ease); }
#trailer .trailer-play::before { display: block; font-size: 34px; content: "▶"; }
#trailer .trailer-play:hover { background: var(--coral); color: var(--ink); }

/* footer */
footer { background: var(--ink); color: var(--foam); }
footer .footer-shell { width: min(100%, var(--container)); margin: 0 auto; padding: 76px var(--gutter) 34px; }
footer .footer-statement { display: grid; grid-template-columns: minmax(260px, 1.2fr) minmax(240px, 0.8fr); gap: clamp(40px, 9vw, 140px); padding-bottom: 70px; }
footer .footer-brand { font-size: clamp(22px, 6vw, 50px); font-weight: 800; line-height: 1.05; letter-spacing: -0.04em; }
footer .footer-brand span { display: block; margin-top: 15px; color: var(--coral); font-size: 15px; letter-spacing: 0.17em; }
footer .footer-message { align-self: end; }
footer .footer-message p { color: rgba(244, 241, 232, 0.7); }
footer .footer-navigation { display: flex; flex-wrap: wrap; gap: 18px 34px; margin-top: 28px; }
footer .footer-navigation a { border-bottom: 1px solid rgba(244, 241, 232, 0.42); font-size: 14px; }
footer .footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 24px; border-top: 1px solid var(--line); color: rgba(244, 241, 232, 0.5); font-size: 13px; }
@media (max-width: 1280px) {
	:root { --gutter: 40px; }
	#hero { min-height: 820px; }
	#hero .hero-shell { min-height: 820px; }
	#hero h2 { font-size: clamp(42px, 6vw, 68px); }
	#missions .mission-layout { grid-template-columns: minmax(0, 1fr) minmax(390px, .78fr); }
	#missions .mission-visual-copy { right: 28px; left: 28px; }
	#missions .mission-entry-body { padding: 22px; }
	#missions .mission-route-stop { padding-right: 9px; padding-left: 22px; }
	#missions .mission-route-stop i { left: 13px; }
	#vehicle .vehicle-visual { min-height: 590px; }
	#creatures .creature-transect { grid-template-columns: 1fr 0.76fr 1fr; }
}
@media (max-width: 960px) {
	:root { --header-height: 62px; --gutter: 30px; }
	header .header-console { grid-template-columns: 1fr auto auto; }
	header .menu-toggle { display: block; margin-left: 12px; }
	header .header-navigation { position: fixed; top: 62px; right: 0; bottom: 0; left: 0; display: block; visibility: hidden; transform: translateX(100%); padding: 36px var(--gutter); background: var(--ink); opacity: 0; transition: transform 0.4s var(--ease), opacity 0.4s var(--ease), visibility 0.4s; }
	header .header-navigation.is-open { visibility: visible; transform: translateX(0); opacity: 1; }
	header .navigation-list { display: grid; gap: 0; }
	header .navigation-list a { display: block; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 20px; }
	header .navigation-list a::after { display: none; }
	header .header-status { margin-top: 28px; }
	#hero .hero-shell { grid-template-columns: 58px minmax(0, 1fr); padding-top: 150px; }
	#hero .hero-content { padding-left: 42px; }
	#hero .hero-route { grid-template-columns: repeat(2, 1fr); }
	#hero .route-stop:nth-child(2) { border-right: 0; }
	#hero .route-stop:nth-child(3), #hero .route-stop:nth-child(4) { border-top: 1px solid var(--line); }
	.section-heading { grid-template-columns: 1fr; gap: 20px; }
	#world .zone-switcher { grid-template-columns: 220px minmax(0, 1fr); }
	#world .zone-panel { grid-template-columns: 1fr; }
	#world .zone-panel figure { min-height: 420px; }
	#missions .mission-layout { grid-template-columns: 1fr; min-height: 0; }
	#missions .mission-visual { min-height: 620px; border-right: 0; border-bottom: 1px solid rgba(244, 241, 232, .22); }
	#missions .mission-list { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; }
	#missions .mission-entry { min-height: 240px; }
	#missions .mission-entry:nth-child(odd) { border-right: 1px solid rgba(244, 241, 232, .2); }
	#missions .mission-entry:nth-child(3) { border-bottom: 0; }
	#missions .mission-entry-number i { display: none; }
	#vehicle .vehicle-stage { grid-template-columns: 1fr; }
	#vehicle .vehicle-index { border-right: 0; border-bottom: 1px solid var(--dark-line); }
	#vehicle .vehicle-visual { min-height: 520px; }
	#base .base-layout { grid-template-columns: 1fr; }
	#base .base-intro { position: static; }
	#equipment .equipment-layout { grid-template-columns: 1fr; }
	#equipment .equipment-image { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: end; }
	#journal .journal-layout { grid-template-columns: 1fr; }
	#journal .journal-side { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
}
@media (max-width: 768px) {
	:root { --gutter: 22px; }
	body { font-size: 16px; }
	header .header-console { min-height: 60px; }
	header h1 { font-size: 16px; }
	header h1 strong { display: none; }
	header .language-button { min-width: 40px; }
	#hero { min-height: 760px; }
	#hero .hero-image::after { background: rgba(4, 29, 35, 0.58); }
	#hero .hero-shell { display: block; min-height: 760px; padding-top: 145px; }
	#hero .depth-rail { display: none; }
	#hero .hero-content { display: flex; flex-direction: column; min-height: 570px; padding-left: 0; }
	#hero .hero-copy { margin-top: auto; }
	#hero h2 { max-width: 590px; font-size: clamp(38px, 9vw, 56px); }
	#hero .hero-summary { font-size: 17px; }
	#hero .hero-route { margin-top: 52px; }
	#world .zone-switcher { display: block; }
	#world .zone-tabs { display: grid; grid-template-columns: repeat(3, 1fr); border-right: 0; }
	#world .zone-tab { display: block; min-height: 80px; padding: 16px 12px; border-right: 1px solid var(--dark-line); }
	#world .zone-tab:last-child { border-right: 0; }
	#world .zone-tab strong { display: block; margin-bottom: 4px; }
	#world .zone-tab.is-active { padding-left: 12px; }
	#world .zone-panel figure { min-height: 350px; }
	#world .zone-copy { padding: 30px 24px 38px; }
	#missions .mission-visual { display: flex; flex-direction: column; min-height: 0; }
	#missions .mission-visual figure { position: relative; inset: auto; aspect-ratio: 4/3; }
	#missions .mission-visual-status { top: 18px; left: 18px; }
	#missions .mission-visual-copy { position: relative; right: auto; bottom: auto; left: auto; display: block; padding: 28px 22px 30px; background: var(--abyss); }
	#missions .mission-progress { display: flex; justify-content: space-between; margin-top: 24px; padding: 17px 0 0; border-top: 1px solid rgba(244, 241, 232, .25); border-left: 0; align-items: center; }
	#missions .mission-progress strong { margin-top: 0; }
	#missions .mission-route-strip { position: relative; right: auto; bottom: auto; left: auto; overflow-x: auto; grid-template-columns: repeat(4, minmax(145px, 1fr)); }
	#missions .mission-list { grid-template-columns: 1fr; }
	#missions .mission-entry { min-height: 0; border-right: 0; }
	#missions .mission-entry:nth-child(3) { border-bottom: 1px solid rgba(244, 241, 232, .2); }
	#missions .mission-entry-number i { display: block; }
	#vehicle .vehicle-visual { min-height: 450px; }
	#creatures .creature-transect { grid-template-columns: 1fr 1fr; gap: 28px 14px; }
	#creatures .creature-entry:nth-child(2) { margin-bottom: 0; transform: translateY(56px); }
	#creatures .creature-entry:nth-child(3) { grid-column: 1/3; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: end; }
	#base .transmission-item { grid-template-columns: 1fr; gap: 10px; }
	#equipment .equipment-row { grid-template-columns: 52px 1fr; }
	#equipment .equipment-row p { grid-column: 2; }
	#equipment .equipment-image { grid-template-columns: 1fr; }
	#equipment .equipment-image figure { aspect-ratio: 16/10; }
	#journal .journal-feature { min-height: auto; }
	#journal .journal-side { grid-template-columns: 1fr; }
	#trailer .trailer-shell { grid-template-columns: 1fr; padding-top: 100px; align-content: end; }
	#trailer .trailer-play { justify-self: start; width: 132px; min-height: 132px; margin-top: 52px; }
	footer .footer-statement { grid-template-columns: 1fr; }
}
@media (max-width: 500px) {
	:root { --gutter: 18px; }
	header .header-console { padding-inline: 16px; }
	header .language-button { min-width: 34px; padding: 0 3px; font-size: 11px; }
	header .menu-toggle { width: 42px; margin-left: 7px; }
	#hero { min-height: 720px; }
	#hero .hero-shell { min-height: 720px; padding: 118px 18px 30px; }
	#hero .hero-content { min-height: 572px; }
	#hero .hero-eyebrow { margin-bottom: 18px; font-size: 12px; }
	#hero h2 { font-size: clamp(34px, 10vw, 42px); }
	#hero .hero-summary { margin-top: 20px; line-height: 1.75; }
	#hero .hero-actions { margin-top: 22px; }
	#hero .hero-route { grid-template-columns: 1fr 1fr; margin-top: 34px; }
	#hero .route-stop { min-height: 76px; padding: 12px 10px 10px 0; }
	#hero .route-stop:not(:first-child), #hero .route-stop:last-child { padding-left: 10px; }
	#hero .route-name { font-size: 13px; }
	.section-heading h2 { font-size: clamp(28px, 8vw, 36px); }
	#world .zone-tabs { overflow-x: auto; grid-template-columns: repeat(3, minmax(150px, 1fr)); }
	#world .zone-panel figure { min-height: 290px; }
	#missions .mission-layout { margin-top: 48px; }
	#missions .mission-visual figure { aspect-ratio: 1/1; }
	#missions .mission-visual-copy h3 { font-size: 28px; }
	#missions .mission-visual-copy p { font-size: 14px; }
	#missions .mission-entry { grid-template-columns: 52px minmax(0, 1fr); }
	#missions .mission-entry-number { padding-top: 24px; }
	#missions .mission-entry-number span { width: 28px; height: 28px; }
	#missions .mission-entry-number i { top: 52px; }
	#missions .mission-entry-body { padding: 21px 17px; }
	#missions .mission-entry-meta { align-items: flex-start; }
	#missions .mission-entry-footer { align-items: flex-end; }
	#vehicle .vehicle-index { padding: 30px 0; }
	#vehicle .vehicle-visual { min-height: 390px; }
	#vehicle .vehicle-caption { position: relative; width: 100%; }
	#creatures .creature-transect { display: block; }
	#creatures .creature-entry, #creatures .creature-entry:nth-child(2) { margin-bottom: 34px; transform: none; }
	#creatures .creature-entry:nth-child(3) { display: block; }
	#creatures .creature-entry:nth-child(1) figure, #creatures .creature-entry:nth-child(2) figure, #creatures .creature-entry:nth-child(3) figure { aspect-ratio: 4/3; }
	#base .base-intro h2 { font-size: 34px; }
	#equipment .equipment-row { grid-template-columns: 44px 1fr; gap: 14px; }
	#journal .journal-copy { padding: 26px 22px 34px; }
	#journal .journal-note { min-height: 290px; padding: 26px 22px; }
	#trailer { min-height: 680px; }
	#trailer .trailer-shell { min-height: 680px; padding: 90px 18px 45px; }
	#trailer .trailer-copy h2 { font-size: 38px; }
	footer .footer-shell { padding: 62px 18px 28px; }
	footer .footer-brand { font-size: 44px; }
	footer .footer-bottom { display: block; }
	footer .footer-bottom span:last-child { display: block; margin-top: 8px; }
}
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { transition-duration: 0.01ms; animation-duration: 0.01ms; animation-iteration-count: 1; }
	.media-reveal img { transform: none; filter: none; }
}