/* Metro Mystery — studio site. One stylesheet for every page. */
:root {
  --bg: #0a0c13;
  --bg-2: #10131d;
  --panel: #161a28;
  --panel-2: #1d2233;
  --line: #2a3047;
  --ink: #eef1f8;
  --muted: #a3abc0;
  --ice: #4db5ff;
  --ice-deep: #1f6fd1;
  --ember: #ff8a2b;
  --ember-deep: #d9541a;
  --gold: #ffd37a;
  --ok: #7ddc8a;
  --err: #ff8f8f;
  --radius: 14px;
  --wrap: 1120px;
  --display: "Pixelify Sans", "Trebuchet MS", system-ui, sans-serif;
  --body: "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ice); }
a:hover { color: #8fd0ff; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.15; margin: 0 0 .5em; letter-spacing: .01em; text-wrap: balance; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }
.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 6px; }

/* duality rule: ice on the left, ember on the right */
.fuse-rule { height: 3px; border: 0; margin: 0; background: linear-gradient(90deg, var(--ice), transparent 45%, transparent 55%, var(--ember)); opacity: .8; }
.ice { color: var(--ice); }
.ember { color: var(--ember); }

/* ---------- nav ---------- */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(10, 12, 19, .86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-size: 1.25rem; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand:hover { color: var(--ink); }
.brand svg { width: 28px; height: 28px; flex: none; }
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-links a { display: block; padding: 8px 12px; color: var(--muted); text-decoration: none; font-weight: 700; border-radius: 8px; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); background: var(--panel); }
.nav-links .nav-cta { color: #1a1005; background: var(--ember); }
.nav-links .nav-cta:hover { color: #1a1005; background: #ffa14f; }
@media (max-width: 560px) { .nav-links .hide-sm { display: none; } }

/* ---------- buttons, pills ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 0 22px; border: 0; border-radius: 10px; font: 800 1rem var(--body); text-decoration: none; cursor: pointer; transition: transform .12s ease, background .12s ease; }
.btn:active { transform: translateY(1px); }
.btn-ember { background: linear-gradient(180deg, #ffa044, var(--ember-deep)); color: #1a0d03; box-shadow: 0 6px 22px rgba(255, 138, 43, .28); }
.btn-ember:hover { color: #1a0d03; background: linear-gradient(180deg, #ffb365, #e8662a); }
.btn-ghost { background: rgba(255, 255, 255, .06); color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { color: var(--ink); background: rgba(255, 255, 255, .12); }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .22); background: rgba(10, 12, 19, .6); font-weight: 800; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 10px var(--ember); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }

/* ---------- signup ---------- */
.signup { display: grid; grid-template-columns: 1fr auto; gap: 10px; max-width: 520px; }
.signup input[type="email"] { min-height: 50px; width: 100%; padding: 0 16px; border-radius: 10px; border: 1px solid #3a4260; background: rgba(8, 10, 16, .85); color: var(--ink); font: 600 1rem var(--body); }
.signup input::placeholder { color: #7f88a0; }
.signup .hp { position: absolute; left: -9999px; }
.signup-note { grid-column: 1 / -1; margin: 0; font-size: .9rem; color: var(--muted); min-height: 1.4em; }
.signup-note.ok { color: var(--ok); font-weight: 700; }
.signup-note.err { color: var(--err); font-weight: 700; }
.signup.center { margin-inline: auto; }
@media (max-width: 480px) { .signup { grid-template-columns: 1fr; } }

/* ---------- game hero (DualFuse) ---------- */
.game-hero { position: relative; isolation: isolate; text-align: center; padding: clamp(56px, 9vw, 110px) 0 clamp(48px, 7vw, 84px); }
.game-hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: url("/assets/dualfuse/keyart.webp") center 30% / cover no-repeat; image-rendering: pixelated; }
.game-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse at 50% 38%, rgba(10, 12, 19, .35), rgba(10, 12, 19, .8) 62%), linear-gradient(180deg, rgba(10, 12, 19, .2) 50%, var(--bg)); }
.game-hero .logo { width: min(640px, 88%); margin: 22px auto 10px; filter: drop-shadow(0 8px 30px rgba(0, 0, 0, .7)); }
.game-hero h1 { margin: 0; }
.tagline { font-family: var(--display); font-size: clamp(1.5rem, 4.2vw, 2.5rem); margin: 0 0 .4em; text-shadow: 0 2px 14px #000; }
.lede { max-width: 640px; margin: 0 auto 1.6em; font-size: 1.12rem; color: #d6dbe8; text-shadow: 0 1px 10px #000; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 18px; }

/* ---------- sections ---------- */
section { padding: clamp(56px, 8vw, 96px) 0; }
section.alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head.center { margin-inline: auto; text-align: center; }
.eyebrow { font-weight: 800; font-size: .82rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); margin: 0 0 10px; }

/* steps: prime -> detonate -> fuse */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { position: relative; padding: 26px 22px 22px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); counter-increment: step; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 14px; border-radius: 9px; font: 600 1.3rem var(--display); color: #0a0c13; background: var(--ice); }
.steps li:nth-child(2)::before { background: var(--ember); }
.steps li:nth-child(3)::before { background: linear-gradient(90deg, var(--ice), var(--ember)); }
.steps p { margin: 0; color: var(--muted); }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }

/* ---------- combo lab ---------- */
.lab { display: grid; grid-template-columns: 1fr minmax(260px, 1.1fr) 1fr; gap: 18px; align-items: stretch; }
.lab-side { padding: 18px; border-radius: var(--radius); background: var(--panel); border: 2px solid var(--line); }
.lab-side.p1 { border-color: rgba(77, 181, 255, .55); }
.lab-side.p2 { border-color: rgba(255, 138, 43, .55); }
.lab-side h3 { font-size: 1.05rem; margin-bottom: 12px; }
.el-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.el { display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 12px; border-radius: 9px; border: 1px solid var(--line); background: var(--panel-2); color: var(--ink); font: 700 .95rem var(--body); cursor: pointer; }
.el i { width: 14px; height: 14px; border-radius: 4px; background: var(--c); box-shadow: 0 0 10px var(--c); flex: none; }
.el:hover { border-color: var(--c); }
.el[aria-pressed="true"] { border-color: var(--c); background: color-mix(in srgb, var(--c) 22%, var(--panel-2)); }
.lab-result { display: flex; flex-direction: column; justify-content: center; text-align: center; padding: 26px 20px; border-radius: var(--radius); border: 1px solid var(--line); background: radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--ca, var(--ice)) 26%, transparent), transparent 60%), radial-gradient(circle at 50% 100%, color-mix(in srgb, var(--cb, var(--ember)) 26%, transparent), transparent 60%), var(--panel); }
.lab-result .pair { font-weight: 800; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
.lab-result .name { font: 600 clamp(1.7rem, 3.4vw, 2.3rem) var(--display); margin: 0 0 10px; }
.lab-result .desc { margin: 0; color: #d0d6e6; }
.lab-result.pop .name { animation: pop .35s ease; }
@keyframes pop { 0% { transform: scale(.86); opacity: .3; } 60% { transform: scale(1.06); } 100% { transform: scale(1); opacity: 1; } }
@media (max-width: 860px) { .lab { grid-template-columns: 1fr 1fr; } .lab-result { grid-column: 1 / -1; order: 3; } }
@media (max-width: 480px) { .el-grid { grid-template-columns: 1fr; } }

/* ---------- features ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { padding: 24px 22px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.feature .num { font: 600 2.6rem/1 var(--display); background: linear-gradient(90deg, var(--ice), var(--ember)); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 8px; display: inline-block; }
.feature h3 { font-size: 1.15rem; margin-bottom: 6px; }
.feature p { margin: 0; color: var(--muted); font-size: .98rem; }
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

/* ---------- roster ---------- */
.roster { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; list-style: none; padding: 0; margin: 0; }
.roster li { text-align: center; padding: 12px 6px 10px; border-radius: 12px; background: var(--panel); border: 1px solid var(--line); }
.roster img { width: 84px; height: 94px; object-fit: contain; margin: 0 auto 6px; }
.roster b { display: block; font-size: .95rem; }
.roster span { display: block; font-size: .78rem; color: var(--muted); }
@media (max-width: 860px) { .roster { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 480px) { .roster { grid-template-columns: repeat(3, 1fr); } }
.tracks { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.tracks span { padding: 6px 14px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); font-weight: 700; font-size: .9rem; }

/* ---------- screenshots ---------- */
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.shots figure { margin: 0; }
.shots .big { grid-column: span 2; grid-row: span 2; }
.shot { display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--panel); cursor: zoom-in; }
.shot img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .25s ease; }
.shot:hover img { transform: scale(1.03); }
.shots figcaption { font-size: .88rem; color: var(--muted); padding: 8px 2px 0; }
@media (max-width: 760px) { .shots { grid-template-columns: 1fr 1fr; } .shots .big { grid-column: 1 / -1; grid-row: auto; } }
dialog.lightbox { padding: 0; border: 0; background: transparent; max-width: min(1280px, 96vw); }
dialog.lightbox::backdrop { background: rgba(4, 5, 9, .9); }
dialog.lightbox img { width: 100%; border-radius: 10px; }
dialog.lightbox form { text-align: right; margin-bottom: 8px; }

/* ---------- bosses ---------- */
.bosses { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; list-style: none; padding: 0; margin: 0; }
.bosses li { border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--panel); }
.bosses img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.bosses b { display: block; padding: 8px 10px 10px; font-size: .92rem; }
@media (max-width: 900px) { .bosses { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px) { .bosses { grid-template-columns: repeat(2, 1fr); } }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin-inline: auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 18px 4px; font-weight: 800; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 600 1.4rem/1 var(--display); color: var(--ember); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 4px 18px; margin: 0; color: var(--muted); }

/* ---------- final CTA ---------- */
.cta-final { text-align: center; background: linear-gradient(90deg, rgba(31, 111, 209, .22), transparent 40%, transparent 60%, rgba(217, 84, 26, .24)), var(--bg-2); border-top: 1px solid var(--line); }
.cta-final .lede { text-shadow: none; }

/* ---------- studio home ---------- */
.studio-hero { padding: clamp(64px, 10vw, 120px) 0 clamp(40px, 6vw, 72px); background: radial-gradient(ellipse at 15% 0%, rgba(31, 111, 209, .22), transparent 55%), radial-gradient(ellipse at 85% 0%, rgba(217, 84, 26, .2), transparent 55%); }
.studio-hero h1 { font-size: clamp(2.4rem, 7vw, 4.4rem); max-width: 14ch; }
.studio-hero .lede { margin-inline: 0; text-shadow: none; font-size: 1.2rem; color: var(--muted); }
.game-card { display: grid; grid-template-columns: 1.25fr 1fr; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: var(--panel); color: var(--ink); }
.game-card .art { position: relative; min-height: 320px; display: grid; place-items: center; padding: 28px; background: linear-gradient(rgba(10, 12, 19, .35), rgba(10, 12, 19, .55)), url("/assets/dualfuse/keyart.webp") center / cover; image-rendering: pixelated; }
.game-card .art img { width: min(440px, 90%); filter: drop-shadow(0 8px 24px rgba(0, 0, 0, .7)); }
.game-card .info { padding: clamp(24px, 4vw, 40px); display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.game-card .info p { margin: 0; color: var(--muted); }
.game-card .tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.game-card .tags li { padding: 4px 12px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); font-size: .85rem; font-weight: 700; }
@media (max-width: 820px) { .game-card { grid-template-columns: 1fr; } .game-card .art { min-height: 220px; } }
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(24px, 5vw, 64px); align-items: start; }
.about-grid ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.about-grid li { padding: 16px 18px; border-left: 3px solid var(--ice); background: var(--panel); border-radius: 0 10px 10px 0; }
.about-grid li:nth-child(even) { border-left-color: var(--ember); }
.about-grid li b { display: block; }
.about-grid li span { color: var(--muted); font-size: .96rem; }
@media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; } }

/* ---------- footer ---------- */
footer { padding: 36px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: .92rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; align-items: center; }
footer a { color: var(--muted); }
footer a:hover { color: var(--ink); }
footer nav { display: flex; gap: 18px; flex-wrap: wrap; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- previous games (small portfolio links) ---------- */
.portfolio { margin-top: clamp(36px, 5vw, 56px); padding-top: 28px; border-top: 1px solid var(--line); }
.portfolio-head h3 { margin-bottom: 4px; }
.portfolio-head p { margin-bottom: 18px; font-size: .96rem; }
.portfolio-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; list-style: none; margin: 0; padding: 0; }
.portfolio-list a { display: flex; flex-direction: column; gap: 4px; height: 100%; padding: 16px 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); text-decoration: none; transition: border-color .12s ease, transform .12s ease; }
.portfolio-list a:hover { border-color: var(--ice); transform: translateY(-2px); }
.portfolio-list li:nth-child(even) a:hover { border-color: var(--ember); }
.portfolio-list b { font-size: 1.02rem; }
.portfolio-list span { color: var(--muted); font-size: .9rem; flex: 1; }
.portfolio-list i { font-style: normal; font-weight: 800; font-size: .85rem; color: var(--ice); margin-top: 6px; }
@media (max-width: 760px) { .portfolio-list { grid-template-columns: 1fr; } }