/* Tasowheel Experience — dark industrial, navy + cobalt + a red accent (echo of the TW mark), steel greys. */
:root {
  --bg: #070A12; --bg2: #0B1020; --panel: #0F172B; --line: rgba(255,255,255,.08);
  --text: #F2F5FA; --muted: #9AA6BD; --navy: #1B2E6B; --cobalt: #2F5BFF; --cobalt2: #6E8CFF; --red: #E23B3B; --steel: #B9C2D0;
  --grad: linear-gradient(90deg, #2F5BFF, #6E8CFF); --radius: 18px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: auto; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.5; overflow-x: hidden; }
body.plain { background: var(--bg2); }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0 0 12px; font-weight: 800; letter-spacing: -.02em; line-height: 1.08; }
h1 { font-size: clamp(2.2rem, 7vw, 4.6rem); }
h2 { font-size: clamp(1.7rem, 4.2vw, 3rem); }
h3 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-weight: 700; margin-top: 8px; }
p { margin: 0 0 12px; }
em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.wrap { width: min(1180px, 100% - 32px); margin: 0 auto; }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--cobalt2); margin-bottom: 12px; }
.lead { color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.2rem); max-width: 62ch; }
.fine { color: var(--muted); font-size: .82rem; }
.hide-mobile { display: none; } @media (min-width: 720px) { .hide-mobile { display: inline; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 18px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255,255,255,.06); color: var(--text); font: inherit; font-weight: 700; cursor: pointer; transition: transform .15s, background .15s; }
.btn:hover { background: rgba(255,255,255,.1); transform: translateY(-1px); }
.btn-primary { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 10px 30px -10px rgba(47,91,255,.7); }
.btn-primary:hover { background: var(--grad); filter: brightness(1.08); }

/* nav */
.progress { position: fixed; top: 0; left: 0; height: 2px; width: 100%; background: var(--grad); transform-origin: left; transform: scaleX(0); z-index: 50; }
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 40; display: flex; justify-content: space-between; align-items: center; padding: 12px max(16px, env(safe-area-inset-left)) 12px max(16px, env(safe-area-inset-right)); background: linear-gradient(rgba(7,10,18,.85), rgba(7,10,18,0)); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 900; letter-spacing: .08em; }
.brand-gear { width: 26px; height: 26px; color: var(--red); }
.brand-sub { font-weight: 500; letter-spacing: 0; color: var(--muted); font-size: .9rem; }
.nav-links { display: flex; align-items: center; gap: 18px; font-size: .92rem; font-weight: 600; color: var(--steel); }
.btn-sound { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255,255,255,.05); color: var(--steel); font: inherit; font-size: .82rem; cursor: pointer; }
.btn-sound svg { width: 16px; height: 16px; fill: currentColor; }
.btn-sound[aria-pressed="true"] { color: #fff; border-color: var(--cobalt); background: rgba(47,91,255,.25); }

/* ===== cinematic stage ===== */
.cine { position: relative; height: 100vh; height: 100svh; }
.stage { position: relative; width: 100%; height: 100vh; height: 100svh; overflow: hidden; background: radial-gradient(120% 80% at 50% 100%, #10182E 0%, var(--bg) 60%); }
#world { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.loader { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 14px; color: var(--muted); font-size: .9rem; background: var(--bg); z-index: 6; transition: opacity .6s; }
.loader svg { width: 54px; height: 54px; color: var(--red); animation: spin 3s linear infinite; }
.loader.done { opacity: 0; pointer-events: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.labels { position: absolute; inset: 0; pointer-events: none; z-index: 3; }
.labels span { position: absolute; transform: translate(-50%, -50%); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--steel); background: rgba(7,10,18,.55); border: 1px solid var(--line); padding: 4px 8px; border-radius: 999px; white-space: nowrap; opacity: 0; transition: opacity .3s; }
.labels span.on { opacity: 1; }
.cine-ui { position: absolute; inset: 0; pointer-events: none; z-index: 5; }
.cap { position: absolute; left: 6%; right: 6%; bottom: 13%; max-width: 560px; opacity: 0; will-change: transform, opacity; }
.cap.right { left: auto; right: 6%; text-align: right; } .cap.right .eyebrow { margin-left: auto; }
.cap.top { bottom: auto; top: 16%; }
.cap h2 { font-size: clamp(1.8rem, 4.6vw, 3.4rem); text-shadow: 0 6px 40px rgba(0,0,0,.6); }
.cap p { color: var(--steel); font-size: clamp(.98rem, 1.5vw, 1.15rem); text-shadow: 0 2px 20px rgba(0,0,0,.8); }
.cap.intro { bottom: auto; top: 50%; transform: translateY(-50%); left: 50%; right: auto; width: min(92vw, 720px); text-align: center; translate: -50% 0; }
.cap.intro p { color: var(--muted); }
.finale { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; text-align: center; padding: 24px; opacity: 0; pointer-events: none; }
.finale .btn { pointer-events: auto; margin-top: 10px; }
.finale-gear { width: 72px; height: 72px; color: var(--red); margin-bottom: 18px; filter: drop-shadow(0 0 30px rgba(226,59,59,.5)); }
.finale h2 { font-size: clamp(2rem, 6vw, 4rem); }
.finale p { color: var(--steel); max-width: 56ch; }
.chapters { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); display: grid; gap: 10px; z-index: 6; }
.chapters i { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,.25); transition: all .3s; }
.chapters i.on { background: var(--cobalt2); height: 22px; border-radius: 4px; }
.hint { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); display: grid; justify-items: center; gap: 6px; font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); z-index: 6; transition: opacity .4s; }
.hint i { width: 18px; height: 30px; border: 2px solid rgba(255,255,255,.35); border-radius: 12px; position: relative; }
.hint i::after { content: ""; position: absolute; left: 50%; top: 5px; width: 3px; height: 6px; margin-left: -1.5px; border-radius: 2px; background: var(--cobalt2); animation: wheel 1.6s ease-in-out infinite; }
@keyframes wheel { 0% { transform: translateY(0); opacity: 1 } 70% { transform: translateY(12px); opacity: 0 } 100% { opacity: 0 } }
.hint.off { opacity: 0; }
.overlay { position: absolute; inset: 0; pointer-events: none; z-index: 4; }
.vignette { position: absolute; inset: 0; background: radial-gradient(80% 70% at 50% 50%, transparent 55%, rgba(0,0,0,.65) 100%); }
.grain { position: absolute; inset: -50%; opacity: .05; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='.9' numOctaves='2'/></filter><rect width='200' height='200' filter='url(%23n)' opacity='.6'/></svg>"); animation: grain 1.2s steps(4) infinite; }
@keyframes grain { 0% { transform: translate(0,0) } 25% { transform: translate(-3%,2%) } 50% { transform: translate(2%,-3%) } 75% { transform: translate(-1%,-1%) } 100% { transform: translate(0,0) } }
@media (prefers-reduced-motion: reduce) { .grain, .hint i::after, .loader svg { animation: none; } }

/* static fallback */
.static { padding: 120px 0 60px; }
.static-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-top: 24px; }
.static-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.static-card img { width: 100%; border-radius: 12px; margin-bottom: 12px; aspect-ratio: 16/9; object-fit: cover; background: var(--bg2); }
.static-card h3 { color: var(--text); text-transform: none; letter-spacing: -.01em; font-size: 1.2rem; }

/* sections */
section.designer, section.company, section.app { padding: 96px 0; }
section.company { background: var(--bg2); }
.section-head { max-width: 760px; margin-bottom: 36px; }

/* designer */
.designer-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 960px) { .designer-grid { grid-template-columns: 1.3fr .9fr; grid-template-areas: "view controls" "results controls"; } .viewport { grid-area: view; } .controls { grid-area: controls; } .results { grid-area: results; } }
.viewport { position: relative; aspect-ratio: 4 / 3; min-height: 300px; border-radius: var(--radius); overflow: hidden; background: radial-gradient(100% 100% at 50% 100%, #14203F, #0A0F1E); border: 1px solid var(--line); }
#designer-canvas { width: 100%; height: 100%; display: block; touch-action: none; }
.viewport-hud { position: absolute; left: 14px; top: 12px; display: flex; gap: 10px; font-size: .8rem; font-weight: 700; color: var(--steel); }
.viewport-hud span { background: rgba(7,10,18,.6); border: 1px solid var(--line); padding: 4px 10px; border-radius: 999px; }
.viewport-hint { position: absolute; right: 12px; bottom: 10px; font-size: .7rem; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
.controls { display: grid; gap: 14px; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px 6px; background: var(--panel); margin: 0; }
legend { padding: 0 8px; font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--cobalt2); }
label { display: block; font-size: .88rem; color: var(--steel); margin-bottom: 10px; }
label output { font-weight: 800; color: var(--text); margin-left: 4px; }
input[type=range] { width: 100%; margin: 6px 0 0; accent-color: var(--cobalt); }
select, .num { width: 100%; margin-top: 6px; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg2); color: var(--text); font: inherit; }
.results { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.kv { display: grid; grid-template-columns: 1fr auto; gap: 6px 14px; margin: 0 0 8px; font-size: .92rem; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.kv dd.warn { color: #FFB454; } .kv dd.out { color: #FF6B6B; }
.check { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 8px; font-size: .9rem; }
.check li { display: flex; gap: 10px; align-items: flex-start; padding: 8px 10px; border-radius: 10px; background: rgba(255,255,255,.03); border: 1px solid var(--line); }
.check li::before { content: "●"; flex: none; font-size: .8rem; margin-top: 3px; }
.check li.ok::before { color: #3ADF8B; } .check li.note::before { color: var(--cobalt2); } .check li.warn::before { color: #FFB454; } .check li.out::before { color: #FF6B6B; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.actions .btn { padding: 10px 14px; font-size: .85rem; }

/* company */
.figures { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 28px; }
.figure { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.figure b { display: block; white-space: nowrap; font-size: clamp(1.35rem, 2.6vw, 2rem); font-weight: 900; letter-spacing: -.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.figure span { color: var(--muted); font-size: .82rem; }
.sites { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin-bottom: 18px; }
.site { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.site h4 { margin: 0 0 2px; font-size: 1.1rem; } .site .role { color: var(--cobalt2); font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.site p { color: var(--muted); font-size: .9rem; margin: 8px 0; }
.site a { font-size: .85rem; font-weight: 700; color: var(--steel); }

/* app */
.app-media { border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel); min-height: 320px; display: grid; place-items: center; overflow: hidden; }
.app-media video { width: 100%; max-height: 80vh; display: block; }
.phone-placeholder { display: grid; justify-items: center; gap: 12px; color: var(--muted); padding: 40px; text-align: center; }
.phone-placeholder svg { width: 48px; height: 48px; color: var(--red); }

/* app section */
.app-grid { display: grid; gap: 16px; grid-template-columns: 1fr; margin-bottom: 18px; }
@media (min-width: 720px) { .app-grid { grid-template-columns: 1fr 1fr; } }
.app-video { display: grid; gap: 8px; justify-items: center; }
.app-video video { width: min(100%, 360px); aspect-ratio: 9 / 19.5; border-radius: 28px; background: var(--bg2); border: 1px solid var(--line); }
.app-shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }
@media (min-width: 720px) { .app-shots { grid-template-columns: repeat(6, 1fr); } }
.app-shots img { width: 100%; border-radius: 14px; border: 1px solid var(--line); background: var(--bg2); }
.app-features { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; color: var(--steel); font-size: .95rem; }
.app-features li { padding-left: 18px; position: relative; } .app-features li::before { content: "●"; position: absolute; left: 0; top: 1px; color: var(--cobalt2); font-size: .7rem; }
.app-features b { color: var(--text); }

/* footer */
footer { padding: 48px 0 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.footer-grid { display: grid; gap: 20px; grid-template-columns: 1fr; margin-bottom: 20px; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 2fr 1fr; } }
.footer-links { display: flex; gap: 18px; align-items: flex-start; font-weight: 700; color: var(--steel); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: .8rem; border-top: 1px solid var(--line); padding-top: 16px; }

/* legal */
.legal { padding: 60px 0; max-width: 760px; }
.legal h1 { font-size: 2rem; } .legal h2 { font-size: 1.2rem; margin-top: 28px; }
.legal p { color: var(--steel); } .legal a { color: var(--cobalt2); }
.back { display: inline-block; margin-bottom: 20px; color: var(--muted); font-weight: 700; }