/* Project Threshold — website. Palette and shapes follow the game's UI (scripts/ui/style.gd). */
@font-face { font-family: "Chakra Petch"; font-weight: 400; font-display: swap; src: url("../fonts/chakra-petch-400.woff2") format("woff2"); }
@font-face { font-family: "Chakra Petch"; font-weight: 600; font-display: swap; src: url("../fonts/chakra-petch-600.woff2") format("woff2"); }
@font-face { font-family: "Chakra Petch"; font-weight: 700; font-display: swap; src: url("../fonts/chakra-petch-700.woff2") format("woff2"); }

:root {
	--ink: #060d14; --deep: #0a1620; --panel: #0e1d29; --line: #1f3443;
	--text: #e8f1f5; --muted: #8fa8b5; --teal: #4fe3c8; --cyan: #4fc8f0; --gold: #f2c27a;
	--orange: #ff8f52; --danger: #ff5d6c; --violet: #b78cff; --heal: #7ef0a0; --block: #6fb6ff;
	--tactical: #ff8f52; --engineering: #f2c27a; --science: #4fc8f0; --command: #7ef0a0; --medical: #ff7aa8; --xeno: #b78cff;
	--display: "Chakra Petch", ui-sans-serif, system-ui, sans-serif;
	--body: "Chakra Petch", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
	--wrap: min(1180px, 100% - 2 * var(--gutter));
	--gutter: clamp(16px, 4vw, 40px);
	--cut: 14px;
	--radius: 2px;
	color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ink); color: var(--text); font: 400 clamp(16px, 0.35vw + 15px, 18px) / 1.6 var(--body); text-rendering: optimizeLegibility; overflow-x: clip; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); }
h1, h2, h3 { font-family: var(--display); line-height: 1.1; margin: 0 0 .5em; letter-spacing: .01em; text-wrap: balance; }
h2 { font-size: clamp(28px, 3.2vw + 12px, 48px); font-weight: 700; }
h3 { font-size: 20px; font-weight: 600; }
p { margin: 0 0 1em; text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 14px; background: var(--teal); color: var(--ink); font-weight: 600; }
.skip:focus { top: 12px; }
.wrap { width: var(--wrap); margin-inline: auto; }
.narrow { width: min(760px, 100% - 2 * var(--gutter)); }
.eyebrow { margin: 0 0 12px; color: var(--gold); font: 600 13px/1.2 var(--display); letter-spacing: .2em; text-transform: uppercase; }
.small { font-size: 14px; color: var(--muted); }

/* Buttons ---------------------------------------------------------------------- */
.btn { --c: var(--teal); display: inline-flex; align-items: center; gap: 10px; padding: 14px 24px; min-height: 48px;
	font: 600 16px/1 var(--display); letter-spacing: .06em; text-transform: uppercase; text-decoration: none; color: var(--text);
	border: 1px solid color-mix(in srgb, var(--c) 60%, transparent); background: color-mix(in srgb, var(--c) 12%, transparent);
	clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
	transition: background .2s, color .2s, transform .2s, box-shadow .2s; }
.btn svg { width: 18px; height: 18px; }
.btn:hover { background: color-mix(in srgb, var(--c) 24%, transparent); transform: translateY(-1px); }
.btn-primary { --c: var(--gold); background: linear-gradient(180deg, #4a3a22, #2c2214); color: #ffe2b0; border-color: var(--gold); box-shadow: 0 0 30px rgba(242, 194, 122, .25); }
.btn-primary:hover { background: linear-gradient(180deg, #5a4628, #3a2c18); box-shadow: 0 0 44px rgba(242, 194, 122, .4); }
.btn-ghost { --c: var(--teal); }
.btn-small { padding: 10px 16px; min-height: 40px; font-size: 14px; --cut: 10px; }
.btn-large { padding: 20px 34px; font-size: 19px; }

/* Navigation ----------------------------------------------------------------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; display: flex; align-items: center; gap: 24px;
	padding: max(10px, env(safe-area-inset-top)) var(--gutter) 10px; transition: background .3s, border-color .3s, backdrop-filter .3s; border-bottom: 1px solid transparent; }
.nav.scrolled { background: rgba(6, 13, 20, .78); backdrop-filter: blur(14px) saturate(1.2); border-color: rgba(79, 227, 200, .15); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 700 16px/1 var(--display); letter-spacing: .12em; }
.brand svg { width: 28px; height: 28px; color: var(--teal); }
.nav nav { display: flex; gap: 22px; margin-left: auto; }
.nav nav a { color: var(--muted); text-decoration: none; font: 600 14px/1 var(--display); letter-spacing: .08em; text-transform: uppercase; }
.nav nav a:hover, .nav nav a[aria-current="true"] { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.lang { min-width: 44px; min-height: 40px; padding: 0 10px; border: 1px solid var(--line); background: transparent; color: var(--muted); font: 600 13px/1 var(--display); letter-spacing: .1em; cursor: pointer; }
.lang:hover { color: var(--text); border-color: var(--teal); }
@media (max-width: 860px) { .nav nav { display: none; } .nav-actions { margin-left: auto; } }

/* Hero ------------------------------------------------------------------------- */
.hero { position: relative; min-height: 100svh; display: grid; align-items: center; padding: 120px var(--gutter) 90px; isolation: isolate; overflow: hidden; }
.hero-art { position: absolute; inset: 0; z-index: -2; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; transform: scale(1.04); animation: drift 30s ease-in-out infinite alternate; }
@keyframes drift { to { transform: scale(1.1) translateX(-1.5%); } }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1;
	background: linear-gradient(90deg, rgba(6, 13, 20, .94) 0%, rgba(6, 13, 20, .78) 34%, rgba(6, 13, 20, .1) 66%), linear-gradient(0deg, var(--ink) 0, transparent 30%); }
.hero-copy { width: min(620px, 100%); margin-left: max(0px, calc((100vw - 1180px) / 2 - var(--gutter))); }
.hero h1 { font-size: clamp(54px, 8vw + 10px, 118px); font-weight: 700; letter-spacing: .02em; line-height: .92; margin-bottom: 22px;
	text-shadow: 0 0 40px rgba(79, 227, 200, .25); -webkit-text-stroke: 1px rgba(255, 255, 255, .06); }
.lede { font-size: clamp(19px, 1vw + 15px, 24px); line-height: 1.45; color: var(--text); }
.sub { color: var(--muted); max-width: 52ch; }
.cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 26px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips li { padding: 6px 12px; border: 1px solid rgba(79, 227, 200, .25); background: rgba(6, 13, 20, .5); color: var(--muted); font: 600 13px/1.2 var(--display); letter-spacing: .04em; }
.scroll-cue { position: absolute; left: 50%; bottom: 24px; width: 26px; height: 42px; border: 2px solid rgba(232, 241, 245, .35); border-radius: 14px; translate: -50% 0; }
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; background: var(--teal); border-radius: 2px; animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 50% { transform: translateY(12px); opacity: .3; } }
@media (max-width: 700px) {
	.hero { align-items: end; }
	.hero::before { background: linear-gradient(0deg, var(--ink) 18%, rgba(6, 13, 20, .7) 55%, rgba(6, 13, 20, .2)); }
	.hero-art img { object-position: 62% 30%; }
	.scroll-cue { display: none; }
}

/* Sections ------------------------------------------------------------------- */
.section { position: relative; padding-block: clamp(72px, 9vw, 140px); }
.section-head { max-width: 760px; margin-bottom: clamp(32px, 4vw, 56px); }
.section-head p:last-child { color: var(--muted); }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
.copy p { color: #c6d6de; }
.frame { position: relative; margin: 0; border: 1px solid rgba(79, 227, 200, .3);
	clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px)); }
.frame::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 80px rgba(6, 13, 20, .6); pointer-events: none; }
.quote { margin: 28px 0 0; padding: 20px 22px; border-left: 3px solid var(--orange); background: linear-gradient(90deg, rgba(255, 143, 82, .1), transparent); }
.quote p { margin: 0 0 14px; font-size: 19px; color: var(--text); font-style: italic; }
.quote footer { display: flex; align-items: center; gap: 12px; font: 600 15px/1.2 var(--display); color: var(--orange); letter-spacing: .06em; }
.quote footer img { width: 44px; height: 44px; object-fit: cover; border: 1px solid var(--orange); }
.quote small { display: block; color: var(--muted); font-weight: 400; letter-spacing: .04em; }
.filmstrip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: clamp(32px, 5vw, 64px); }
.filmstrip figure { margin: 0; position: relative; overflow: hidden; border: 1px solid var(--line); }
.filmstrip img { aspect-ratio: 16 / 9; object-fit: cover; transition: transform .6s ease; }
.filmstrip figure:hover img { transform: scale(1.05); }
.filmstrip figcaption { position: absolute; inset: auto 0 0; padding: 22px 12px 8px; background: linear-gradient(0deg, rgba(6, 13, 20, .9), transparent); font: 600 13px/1 var(--display); letter-spacing: .12em; text-transform: uppercase; }
@media (max-width: 760px) { .filmstrip { grid-template-columns: repeat(2, 1fr); } }

/* How to play ------------------------------------------------------------------ */
.how { background: radial-gradient(80% 60% at 80% 0%, rgba(79, 227, 200, .08), transparent 70%), var(--deep); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 16px; }
.step { position: relative; padding: 26px 24px 20px; background: linear-gradient(180deg, rgba(14, 29, 41, .9), rgba(10, 22, 32, .9)); border: 1px solid var(--line);
	clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%); transition: border-color .25s, transform .25s; }
.step:hover { border-color: rgba(79, 227, 200, .45); transform: translateY(-3px); }
.step .num { display: block; margin-bottom: 14px; color: var(--teal); font: 700 14px/1 var(--display); letter-spacing: .2em; }
.step p { margin: 0; color: #b9cbd4; font-size: 16px; }
.glossary { margin-top: 28px; }
.glossary dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 10px; margin: 0; }
.glossary div { padding: 14px 16px; border: 1px solid var(--line); background: rgba(6, 13, 20, .5); }
.glossary dt { font: 700 15px/1.2 var(--display); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 4px; }
.glossary dd { margin: 0; color: var(--muted); font-size: 15px; }
.k-block { color: var(--block); } .k-exposed { color: #ffb35c; } .k-burn { color: #ff6d4a; } .k-weak { color: #9ab0ff; } .k-power { color: #ff8a5c; } .k-exhaust { color: var(--muted); }

/* Cards (mirrors scripts/ui/card_view.gd) ------------------------------------------------ */
.card-rail { display: grid; grid-auto-flow: column; grid-auto-columns: clamp(200px, 22vw, 240px); gap: 18px; overflow-x: auto; padding: 8px 4px 28px;
	scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: var(--line) transparent; mask-image: linear-gradient(90deg, #000 92%, transparent); }
.card { --d: var(--teal); scroll-snap-align: start; position: relative; aspect-ratio: 176 / 250; display: flex; flex-direction: column; overflow: hidden;
	background: #0d1a26; border: 3px solid var(--rarity, #6c8593); border-radius: 16px 4px 16px 4px; box-shadow: 0 14px 30px rgba(0, 0, 0, .45);
	transition: transform .3s cubic-bezier(.2, .8, .2, 1), box-shadow .3s; }
.card:hover { transform: translateY(-10px) rotate(-1deg); box-shadow: 0 24px 40px rgba(0, 0, 0, .55), 0 0 0 1px var(--d); }
.card img { position: absolute; inset: 15% 0 0; width: 100%; height: 85%; object-fit: cover; }
.card .band { position: relative; z-index: 1; display: flex; align-items: center; height: 15%; padding-left: 26%; padding-right: 6px;
	background: color-mix(in srgb, var(--d) 30%, #071119); border-bottom: 2px solid var(--d); font: 600 clamp(13px, 1.1vw, 15px)/1 var(--display); }
.card .cost { position: absolute; z-index: 2; left: 6px; top: 4px; width: 38px; height: 38px; display: grid; place-items: center; font: 700 20px/1 var(--display);
	background: #071119; border: 2px solid var(--teal); clip-path: polygon(25% 3%, 75% 3%, 100% 50%, 75% 97%, 25% 97%, 0 50%); }
.card .body { position: relative; z-index: 1; margin-top: auto; padding: 32% 10px 12px; background: linear-gradient(0deg, rgba(6, 13, 20, .96) 55%, transparent); text-align: center; }
.card .type { display: block; margin-bottom: 6px; padding: 3px 0; border: 1px solid color-mix(in srgb, var(--d) 45%, transparent); background: rgba(6, 13, 20, .8);
	color: color-mix(in srgb, var(--d) 75%, white); font: 600 10px/1.3 var(--display); letter-spacing: .08em; text-transform: uppercase; }
.card .rules { margin: 0; font-size: 14px; line-height: 1.3; }
.card .rules b { color: #ffb35c; }
.card .rules em { font-style: normal; color: var(--d); }
.d-Tactical { --d: var(--tactical); } .d-Engineering { --d: var(--engineering); } .d-Science { --d: var(--science); }
.d-Command { --d: var(--command); } .d-Medical { --d: var(--medical); } .d-Xenotechnology { --d: var(--xeno); }
.r-Common { --rarity: #8fa8b5; } .r-Uncommon { --rarity: var(--teal); } .r-Rare { --rarity: var(--gold); } .r-Starter { --rarity: #56707e; }

/* Team -------------------------------------------------------------------------- */
.team { background: linear-gradient(180deg, var(--ink), var(--deep)); }
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 16px; }
.member { --d: var(--teal); position: relative; overflow: hidden; background: var(--panel); border: 1px solid var(--line); border-top: 3px solid var(--d); }
.member img { aspect-ratio: 1; object-fit: cover; object-position: 50% 25%; width: 100%; transition: transform .6s; }
.member:hover img { transform: scale(1.04); }
.member .info { padding: 16px 18px 20px; }
.member h3 { margin: 0 0 4px; }
.member .role { margin: 0 0 10px; color: var(--d); font: 600 12px/1 var(--display); letter-spacing: .16em; text-transform: uppercase; }
.member p:last-child { margin: 0; color: var(--muted); font-size: 15px; }
.member.lead { --d: var(--orange); }

/* Hostiles -------------------------------------------------------------------- */
.hostiles { background: radial-gradient(70% 50% at 50% 100%, rgba(183, 140, 255, .1), transparent 70%), var(--deep); }
.hostile-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr)); gap: 14px; }
.hostile { position: relative; padding: 14px 14px 16px; background: radial-gradient(70% 60% at 50% 40%, rgba(183, 140, 255, .14), transparent 70%), rgba(6, 13, 20, .7);
	border: 1px solid var(--line); transition: border-color .25s, transform .25s; }
.hostile:hover { border-color: rgba(183, 140, 255, .5); transform: translateY(-3px); }
.hostile img { aspect-ratio: 1; object-fit: contain; width: 100%; filter: drop-shadow(0 12px 18px rgba(0, 0, 0, .6)); }
.hostile h3 { font-size: 17px; margin: 8px 0 2px; }
.hostile .tier { color: var(--violet); font: 600 11px/1 var(--display); letter-spacing: .16em; text-transform: uppercase; }
.hostile.elite .tier { color: var(--danger); }
.hostile.boss { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); column-gap: 32px; align-items: center; padding: 22px 28px;
	background: radial-gradient(60% 80% at 20% 50%, rgba(255, 93, 108, .14), transparent 70%), rgba(6, 13, 20, .75); border-color: rgba(255, 93, 108, .35); }
.hostile.boss img { grid-row: 1 / span 3; }
.hostile.boss h3 { font-size: clamp(22px, 2vw + 10px, 34px); align-self: end; }
.hostile.boss .tier { align-self: end; }
.hostile.boss p { align-self: start; font-size: 16px; max-width: 46ch; }
.hostile.boss .tier { color: var(--danger); }
.hostile p { margin: 6px 0 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
@media (max-width: 620px) { .hostile.boss { grid-template-columns: 1fr; } .hostile.boss img { grid-row: auto; max-width: 280px; margin-inline: auto; } }

/* Features & CTA --------------------------------------------------------------- */
.feature-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 28px; }
.feature-grid li { padding-top: 18px; border-top: 1px solid rgba(79, 227, 200, .3); }
.feature-grid p { color: var(--muted); margin: 0; }
.play-cta { padding-block: clamp(40px, 6vw, 90px); }
.cta-box { position: relative; padding: clamp(36px, 6vw, 72px); text-align: center; isolation: isolate; overflow: hidden; border: 1px solid rgba(242, 194, 122, .35);
	background: linear-gradient(180deg, rgba(6, 13, 20, .55), rgba(6, 13, 20, .92)), url("../img/cine-aperture.webp") center / cover;
	clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 30px 100%, 0 calc(100% - 30px)); }
.cta-box p { color: #c6d6de; margin-bottom: 26px; }

/* FAQ & footer --------------------------------------------------------------------- */
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 18px 36px 18px 0; position: relative; list-style: none; font: 600 18px/1.3 var(--display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; color: var(--teal); font-size: 24px; transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); margin: 0 0 18px; }
.footer { padding: 48px 0 max(40px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: #04090e; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 32px; }
.footer .brand { margin-bottom: 12px; }
.version { opacity: .6; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

/* Motion -------------------------------------------------------------------------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .8, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { animation: none !important; transition: none !important; }
	.js .reveal { opacity: 1; transform: none; }
}