/* Dark Lost - web hry (2026-10-01). Temný, drsný vzhled podle hry: krvavě červená, teplé světlo lamp, studená noc.
   Pixel art se zvětšuje bez rozmazání (image-rendering: pixelated). Bez frameworku, bez sestavování. */

:root {
	--bg: #0a0a0c;
	--bg2: #101013;
	--panel: #15151a;
	--panel2: #1b1b21;
	--line: #2b2a31;
	--text: #ebe6dc;
	--muted: #9b968c;
	--dim: #6f6b64;
	--red: #c0160b;
	--red2: #ff3d24;
	--blood: #6e0b06;
	--amber: #f0b453;
	--cold: #8fb3d9;
	--ok: #79c27a;
	--font-display: "Anton", Impact, "Arial Narrow Bold", sans-serif;
	--font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--font-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
	--wrap: 1180px;
	--r: 4px;
	--shadow: 0 18px 40px rgba(0, 0, 0, .55);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font: 400 17px/1.65 var(--font-body);
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--amber); text-decoration: none; }
a:hover { color: #ffd38a; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
h1, h2, h3 { margin: 0; font-weight: 400; letter-spacing: .01em; }
h2 { font: 400 clamp(2rem, 4.2vw, 3.3rem)/1.05 var(--font-display); text-transform: uppercase; margin: .15em 0 .45em; }
h3 { font: 700 1.12rem/1.3 var(--font-body); }
p { margin: 0 0 1em; }
.pixel, .hero-art img, .banner img, .sprite img, .weapon img, .kit img, .shot img, .card img, .intro-shot img {
	image-rendering: pixelated;
	image-rendering: crisp-edges;
}
.skip { position: absolute; left: -999px; top: 8px; background: var(--amber); color: #000; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }
.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }
.muted { color: var(--muted); }
.label {
	display: inline-flex; align-items: center; gap: .6em;
	font: 700 .78rem/1 var(--font-mono); letter-spacing: .22em; text-transform: uppercase; color: var(--red2); margin: 0;
}
.label::before { content: ""; width: 26px; height: 2px; background: var(--red2); box-shadow: 0 0 10px var(--red2); }

/* ---------- tlačítka */
.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: .5em;
	font: 700 .95rem/1 var(--font-body); letter-spacing: .06em; text-transform: uppercase;
	padding: .95em 1.5em; border-radius: var(--r); border: 1px solid transparent; cursor: pointer;
	transition: background .2s, border-color .2s, color .2s, transform .15s, box-shadow .2s;
	color: var(--text); background: none;
}
.btn:active { transform: translateY(1px); }
.btn-red { background: linear-gradient(180deg, #d81c10, #9c1108); border-color: #ff4a30; color: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.6), 0 10px 30px rgba(192, 22, 11, .35); }
.btn-red:hover { background: linear-gradient(180deg, #f02414, #b4140a); color: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.6), 0 12px 38px rgba(255, 61, 36, .45); }
.btn-ghost { border-color: rgba(235, 230, 220, .28); background: rgba(10, 10, 12, .35); backdrop-filter: blur(4px); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }
.btn-small { padding: .55em .9em; font-size: .78rem; }
.btn[disabled] { opacity: .5; cursor: progress; }

/* ---------- hlavička */
.top {
	position: fixed; inset: 0 0 auto 0; z-index: 50;
	display: flex; align-items: center; gap: 28px;
	padding: 14px max(16px, calc((100% - var(--wrap)) / 2));
	transition: background .3s, border-color .3s, padding .3s;
	border-bottom: 1px solid transparent;
}
.top.solid { background: rgba(8, 8, 10, .92); backdrop-filter: blur(10px); border-color: var(--line); padding-block: 9px; }
.brand { font: 400 1.65rem/1 var(--font-display); letter-spacing: .04em; color: var(--text); white-space: nowrap; }
.brand span:last-child { color: var(--red2); text-shadow: 0 0 18px rgba(255, 61, 36, .45); }
.brand:hover { color: #fff; }
.menu { display: flex; gap: 22px; margin-right: auto; }
.menu a { color: var(--muted); font: 600 .86rem/1 var(--font-body); letter-spacing: .08em; text-transform: uppercase; padding: 8px 0; position: relative; }
.menu a:hover, .menu a.on { color: var(--text); }
.menu a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px; background: var(--red2); transition: right .25s; }
.menu a:hover::after, .menu a.on::after { right: 0; }
.account { display: flex; align-items: center; gap: 10px; }
.who { display: flex; align-items: center; gap: 10px; }
.who-name { font: 600 .9rem/1 var(--font-body); color: var(--text); }
.who-name .role { color: var(--red2); font: 700 .7rem/1 var(--font-mono); letter-spacing: .14em; margin-left: .5em; text-transform: uppercase; }
@media (max-width: 860px) {
	.menu { display: none; }
	.top { gap: 12px; }
	.account { margin-left: auto; }
}

/* ---------- hero */
.hero { position: relative; min-height: min(100svh, 1000px); display: grid; align-items: end; overflow: hidden; isolation: isolate; }
.hero-art, .hero-art img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-art img { object-fit: cover; object-position: 62% 50%; transform: scale(1.04); animation: drift 26s ease-in-out infinite alternate; }
@keyframes drift { to { transform: scale(1.1) translate(-1.2%, -1%); } }
.hero::before {
	content: ""; position: absolute; inset: 0; z-index: 1;
	background:
		linear-gradient(90deg, rgba(5, 5, 7, .9) 0%, rgba(5, 5, 7, .55) 38%, rgba(5, 5, 7, 0) 70%),
		linear-gradient(0deg, var(--bg) 0%, rgba(10, 10, 12, .2) 30%, rgba(10, 10, 12, 0) 55%),
		linear-gradient(180deg, rgba(5, 5, 7, .75) 0%, rgba(5, 5, 7, 0) 18%);
}
.hero-rain {
	position: absolute; inset: -10% 0 0 0; z-index: 1; pointer-events: none; opacity: .32;
	background-image:
		repeating-linear-gradient(104deg, transparent 0 22px, rgba(190, 210, 235, .2) 22px 23px, transparent 23px 61px),
		repeating-linear-gradient(101deg, transparent 0 37px, rgba(190, 210, 235, .14) 37px 38px, transparent 38px 97px);
	background-size: 260px 140px, 340px 220px;
	animation: rain .55s linear infinite;
}
@keyframes rain { to { background-position: -38px 140px, -46px 220px; } }
.hero-text { position: relative; z-index: 2; width: min(var(--wrap), 100% - 32px); margin: 0 auto; padding: 120px 0 clamp(70px, 11vh, 130px); }
.kicker { font: 700 .8rem/1 var(--font-mono); letter-spacing: .24em; text-transform: uppercase; color: var(--amber); margin-bottom: 18px; }
.logo { display: flex; flex-wrap: wrap; gap: 0 .28em; font: 400 clamp(4.4rem, 13vw, 10.5rem)/.86 var(--font-display); letter-spacing: .015em; }
.logo span:first-child { color: #efe8dc; text-shadow: 0 6px 0 #000, 0 0 40px rgba(0, 0, 0, .8); }
.logo span:last-child {
	color: var(--red);
	text-shadow: 0 0 2px #1b0201, 0 6px 0 #160100, 0 0 46px rgba(255, 40, 20, .55), 0 0 110px rgba(192, 22, 11, .35);
	animation: flicker 7s infinite;
}
@keyframes flicker { 0%, 91%, 100% { opacity: 1; } 92% { opacity: .78; } 93% { opacity: 1; } 95% { opacity: .86; } }
.tagline { font: 500 clamp(1.15rem, 2.2vw, 1.55rem)/1.4 var(--font-body); color: #ddd5c6; margin: 22px 0 34px; max-width: 34ch; text-shadow: 0 2px 12px #000; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.scroll-hint { position: absolute; z-index: 2; left: 50%; bottom: 26px; width: 26px; height: 42px; border: 2px solid rgba(235, 230, 220, .45); border-radius: 14px; translate: -50% 0; }
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; border-radius: 2px; background: var(--text); translate: -50% 0; animation: wheel 1.8s infinite; }
@keyframes wheel { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }
@media (prefers-reduced-motion: reduce) { .hero-art img, .hero-rain, .logo span:last-child, .scroll-hint span { animation: none; } }

/* ---------- sekce */
.section { padding: clamp(70px, 10vw, 130px) 0; position: relative; }
.intro { background: radial-gradient(120% 80% at 85% 0%, rgba(192, 22, 11, .1), transparent 60%), var(--bg); }
.two { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 70px); align-items: center; }
@media (max-width: 900px) { .two { grid-template-columns: 1fr; } }
.lead { font-size: 1.2rem; color: #e5dfd3; }
.intro p:not(.lead):not(.label) { color: var(--muted); }
.facts { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 28px; padding: 18px 0 0; margin: 10px 0 0; border-top: 1px solid var(--line); }
.facts li { font: 500 .9rem/1.2 var(--font-body); color: var(--muted); }
.facts b { display: block; font: 400 2.3rem/1 var(--font-display); color: var(--text); }
.intro-shot { margin: 0; position: relative; }
.intro-shot img { width: 100%; border-radius: var(--r); box-shadow: var(--shadow), 0 0 0 1px var(--line); cursor: zoom-in; }
.intro-shot::before { content: ""; position: absolute; inset: -14px 14px 14px -14px; border: 1px solid rgba(192, 22, 11, .45); border-radius: var(--r); z-index: -1; }
figcaption { font: 500 .85rem/1.4 var(--font-body); color: var(--dim); margin-top: 12px; }

.features { background: linear-gradient(180deg, var(--bg), var(--bg2)); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 34px; }
@media (max-width: 1000px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; transition: transform .25s, border-color .25s, box-shadow .25s; }
.card:hover { transform: translateY(-4px); border-color: #4a2320; box-shadow: var(--shadow); }
.card img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; filter: saturate(1.05) contrast(1.05); }
.card h3 { margin: 18px 20px 8px; }
.card p { margin: 0 20px 22px; color: var(--muted); font-size: .96rem; }

.gallery { background: var(--bg2); }
.shots { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 1fr; gap: 12px; margin-top: 30px; }
.shot { position: relative; margin: 0; overflow: hidden; border-radius: var(--r); background: #000; cursor: zoom-in; border: 1px solid var(--line); aspect-ratio: 16 / 9; }
.shot:first-child { grid-column: span 2; grid-row: span 2; }
.shot img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s, filter .3s; }
.shot:hover img { transform: scale(1.05); filter: brightness(1.12); }
.shot figcaption {
	position: absolute; inset: auto 0 0 0; margin: 0; padding: 30px 14px 12px;
	background: linear-gradient(0deg, rgba(0, 0, 0, .85), transparent); color: var(--text); font-weight: 600; font-size: .92rem;
	opacity: 0; transform: translateY(8px); transition: opacity .25s, transform .25s;
}
.shot:hover figcaption, .shot:focus-visible figcaption { opacity: 1; transform: none; }
@media (max-width: 900px) { .shots { grid-template-columns: repeat(2, 1fr); } .shot figcaption { opacity: 1; transform: none; } }

.lightbox { border: 0; padding: 0; background: transparent; max-width: 100vw; max-height: 100vh; width: 100vw; height: 100vh; }
.lightbox::backdrop { background: rgba(0, 0, 0, .92); }
.lightbox figure { margin: 0; height: 100%; display: grid; place-content: center; padding: 50px 70px; }
.lightbox img { max-width: calc(100vw - 140px); max-height: calc(100vh - 140px); box-shadow: var(--shadow); }
.lightbox figcaption { text-align: center; color: var(--text); font-size: 1rem; max-width: 900px; margin: 14px auto 0; }
.lightbox figcaption b { display: block; font: 400 1.4rem/1.2 var(--font-display); text-transform: uppercase; letter-spacing: .03em; }
.lb-close, .lb-nav { position: fixed; z-index: 2; background: rgba(20, 20, 24, .7); color: var(--text); border: 1px solid var(--line); border-radius: 50%; width: 46px; height: 46px; font-size: 1.6rem; line-height: 1; cursor: pointer; }
.lb-close { top: 16px; right: 16px; }
.lb-nav { top: 50%; translate: 0 -50%; }
.lb-prev { left: 12px; } .lb-next { right: 12px; }
.lb-close:hover, .lb-nav:hover { border-color: var(--amber); color: var(--amber); }
@media (max-width: 640px) { .lightbox figure { padding: 60px 8px; } .lightbox img { max-width: calc(100vw - 16px); } }

.zombies { background: radial-gradient(90% 60% at 50% 0%, rgba(110, 11, 6, .28), transparent 70%), var(--bg); }
.zgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 34px; }
@media (max-width: 1000px) { .zgrid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .zgrid { grid-template-columns: 1fr; } }
.zcard { background: linear-gradient(180deg, var(--panel2), var(--panel)); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 18px 16px; }
.zcard .sprite { height: 190px; display: grid; place-items: center; border-radius: var(--r); background: radial-gradient(closest-side, rgba(192, 22, 11, .22), transparent), #0c0c0f; border: 1px solid #222128; margin-bottom: 16px; }
.zcard .sprite img { max-height: 160px; width: auto; filter: drop-shadow(0 8px 10px rgba(0, 0, 0, .8)); transition: transform .4s; }
.zcard:hover .sprite img { transform: rotate(-8deg) scale(1.06); }
.zcard h3 { font: 400 1.7rem/1 var(--font-display); text-transform: uppercase; letter-spacing: .02em; margin-bottom: 8px; }
.zcard p { color: var(--muted); font-size: .94rem; min-height: 4.8em; }
.zcard dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; padding-top: 12px; border-top: 1px solid var(--line); font: 500 .82rem/1.4 var(--font-mono); }
.zcard dt { color: var(--dim); } .zcard dd { margin: 0; color: var(--text); text-align: right; }
.zcard.boss { border-color: #5d1712; box-shadow: 0 0 40px rgba(192, 22, 11, .18) inset; }
.zcard.boss h3 { color: var(--red2); }

.gear { background: linear-gradient(180deg, var(--bg), var(--bg2)); }
.weapons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 34px; }
@media (max-width: 1000px) { .weapons { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .weapons { grid-template-columns: 1fr; } }
.weapon { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; }
.weapon img { height: 74px; width: auto; max-width: 100%; object-fit: contain; margin: 4px auto 18px; filter: drop-shadow(0 6px 8px rgba(0, 0, 0, .7)); }
.weapon h3 { display: flex; justify-content: space-between; align-items: baseline; font: 400 1.35rem/1 var(--font-display); text-transform: uppercase; margin-bottom: 14px; }
.weapon h3 small { font: 700 .78rem/1 var(--font-body); color: var(--amber); letter-spacing: .04em; }
.bars { display: grid; grid-template-columns: 82px 1fr; gap: 8px 10px; align-items: center; font: 500 .74rem/1 var(--font-mono); color: var(--dim); text-transform: uppercase; letter-spacing: .06em; }
.bars i { height: 6px; background: #26252b; border-radius: 3px; position: relative; overflow: hidden; }
.bars i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: calc(var(--v) * 100%); background: linear-gradient(90deg, var(--blood), var(--red2)); box-shadow: 0 0 10px rgba(255, 61, 36, .5); }
.kit { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 22px; }
@media (max-width: 760px) { .kit { grid-template-columns: repeat(3, 1fr); } }
.kit figure { margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 10px 12px; text-align: center; }
.kit img { height: 86px; width: auto; margin: 0 auto 6px; object-fit: contain; }
.kit figcaption { margin: 0; font-size: .8rem; color: var(--muted); }

.banner { padding: 0; height: clamp(320px, 46vw, 620px); overflow: hidden; display: grid; place-items: center; }
.banner picture, .banner img { position: absolute; inset: 0; width: 100%; height: 100%; }
.banner img { object-fit: cover; object-position: 50% 60%; }
.banner::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, var(--bg2) 0%, rgba(0, 0, 0, .25) 30%, rgba(0, 0, 0, .25) 70%, var(--bg) 100%); }
.banner p { position: relative; z-index: 2; font: 400 clamp(1.6rem, 4vw, 3rem)/1.1 var(--font-display); text-transform: uppercase; letter-spacing: .03em; text-align: center; color: #f2ebdf; text-shadow: 0 4px 20px #000; padding: 0 16px; max-width: 22ch; }

.roadmap { background: var(--bg); }
.steps { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: s; }
@media (max-width: 1000px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.steps li { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 22px 18px 18px; }
.steps li::before { counter-increment: s; content: "0" counter(s); position: absolute; right: 14px; top: 10px; font: 400 2.4rem/1 var(--font-display); color: #24232a; }
.steps b { font: 700 .72rem/1 var(--font-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--amber); }
.steps .done { border-color: #2e4a2f; }
.steps .done b { color: var(--ok); }
.steps h3 { margin: 10px 0 8px; font-size: 1.05rem; }
.steps p { margin: 0; color: var(--muted); font-size: .9rem; }

.foot { border-top: 1px solid var(--line); padding: 36px 0 44px; background: #070708; }
.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px; }
.foot p { margin: 0; color: var(--dim); font-size: .88rem; }

/* ---------- přihlášení a nastavení hesla */
.auth-page { min-height: 100svh; display: grid; place-items: center; padding: 90px 16px 40px; position: relative; isolation: isolate; }
.auth-page::before { content: ""; position: absolute; inset: 0; z-index: -2; background: url(/img/art/city_m.webp) center / cover no-repeat; image-rendering: pixelated; filter: brightness(.45) saturate(.9); }
.auth-page::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(70% 70% at 50% 45%, rgba(10, 10, 12, .4), rgba(10, 10, 12, .95)); }
.auth { width: min(420px, 100%); background: rgba(16, 16, 20, .94); border: 1px solid var(--line); border-radius: var(--r); padding: 34px 30px 28px; box-shadow: var(--shadow); border-top: 3px solid var(--red); }
.auth h1 { font: 400 2.3rem/1 var(--font-display); text-transform: uppercase; margin-bottom: 6px; }
.auth p { color: var(--muted); font-size: .94rem; }
.field { display: grid; gap: 6px; margin: 16px 0; }
.field label { font: 700 .74rem/1 var(--font-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.field input { font: 500 1rem/1.2 var(--font-body); color: var(--text); background: #0b0b0e; border: 1px solid #36343c; border-radius: var(--r); padding: 13px 14px; width: 100%; }
.field input:focus { border-color: var(--amber); outline: none; box-shadow: 0 0 0 3px rgba(240, 180, 83, .18); }
.auth .btn { width: 100%; margin-top: 8px; }
.msg { min-height: 1.5em; font-size: .9rem; margin: 12px 0 0; }
.msg.err { color: #ff7a66; } .msg.ok { color: var(--ok); }
.auth .back { display: inline-block; margin-top: 18px; font-size: .88rem; color: var(--muted); }
.auth .back:hover { color: var(--amber); }
.strength { height: 4px; background: #26252b; border-radius: 2px; overflow: hidden; margin-top: 6px; }
.strength i { display: block; height: 100%; width: 0; background: var(--red2); transition: width .2s, background .2s; }