:root{--bg:#020b12;--panel:#071b2a;--line:#244c63;--cream:#f7f0e4;--muted:#9eb8ca;--cyan:#5de6ff;--gold:#f1bd55}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 50% 0,#113a5a 0,#061522 34%,#02090f 72%);color:var(--cream);font-family:Manrope,Arial,sans-serif;min-height:100vh}
.site-header{height:92px;display:flex;align-items:center;gap:24px;padding:0 clamp(18px,5vw,80px);border-bottom:1px solid #17384b;background:#04131edb;backdrop-filter:blur(14px);position:relative;z-index:3}
.brand{display:flex;gap:16px;align-items:center;color:inherit;text-decoration:none}
.brand strong{display:block;font:600 32px/1 'Cormorant Garamond',serif}
.brand small{letter-spacing:.29em;color:#b6cde0;font-size:9px}
.brand-mark{width:59px;height:43px;position:relative;display:block}
.brand-mark i{position:absolute;width:41px;height:41px;border:3px solid var(--cyan);border-radius:50%}
.brand-mark i+i{left:18px;border-color:var(--gold)}
.header-state{margin-left:auto;font-size:11px;color:#8caabd;letter-spacing:.08em;text-transform:uppercase}
.status-dot{display:inline-block;width:7px;height:7px;margin-right:8px;background:#51e3a3;border-radius:50%;box-shadow:0 0 12px #51e3a3}
.back{color:#c1d7e8;text-decoration:none;border:1px solid #31566e;padding:11px 17px;border-radius:99px;font-size:13px}
.hero-copy{max-width:1240px;margin:auto;padding:clamp(55px,7vw,100px) clamp(20px,5vw,70px) 48px}
.eyebrow{margin:0 0 18px;color:var(--cyan);font-size:11px;font-weight:800;letter-spacing:.27em;text-transform:uppercase}
.eyebrow.gold{color:var(--gold)}
h1,h2,h3{font-family:'Cormorant Garamond',serif;margin:.15em 0}
h1{font-size:clamp(52px,8vw,104px);line-height:.84}
h1 em{color:var(--gold);font-style:normal}
.hero-copy>p:last-child{max-width:800px;color:#aec3d2;font-size:18px;line-height:1.7}
.lab{width:min(1600px,96vw);margin:0 auto 120px;display:grid;grid-template-columns:minmax(500px,1.25fr) minmax(410px,.75fr);gap:24px;align-items:start}
.viewport-wrap{min-height:740px;height:calc(100vh - 150px);max-height:940px;position:sticky;top:18px;overflow:hidden;border:1px solid #28516a;border-radius:28px;background:radial-gradient(circle,#092b43,#02080e 72%);box-shadow:0 35px 90px #000b,0 0 80px #12aee51d}
.viewport-wrap::after{content:"";position:absolute;inset:22px;border:1px solid #e7c36c3d;border-radius:20px;pointer-events:none}
.viewport-wrap:fullscreen{width:100vw;height:100vh;max-height:none;border-radius:0}
.viewport-wrap:fullscreen::after{border-radius:0}
.viewport-wrap canvas{display:block;width:100%;height:100%}
.viewport-top,.viewport-bottom{position:absolute;z-index:2;left:42px;right:42px;display:flex;justify-content:space-between;gap:18px;pointer-events:none;text-shadow:0 2px 12px #000}
.viewport-top{top:40px;color:#8eb0c4;font-size:10px;letter-spacing:.14em;text-transform:uppercase}
.viewport-top span:first-child{color:var(--cyan);font-weight:800}
.viewport-bottom{bottom:40px;align-items:end}
.viewport-bottom strong{font:600 clamp(26px,4vw,44px)/1 'Cormorant Garamond',serif;letter-spacing:.08em}
.viewport-bottom small{color:#8ca7b9;font-size:10px}
.loading{position:absolute;z-index:4;inset:0;display:grid;place-items:center;background:#020a10e8;color:#7eeaff;letter-spacing:.16em;text-transform:uppercase;font-size:11px;transition:.45s}
.loading.hidden{opacity:0;visibility:hidden}
.control-panel{background:linear-gradient(155deg,#0d2b42f2,#061622fa);border:1px solid #28516a;border-radius:28px;padding:clamp(24px,3vw,44px);box-shadow:0 28px 80px #0007}
.panel-head h2{font-size:clamp(42px,5vw,66px);line-height:.9}
.panel-head>p:last-child{color:var(--muted);font-size:13px;line-height:1.65}
.family-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:28px 0;border:0;padding:0}
.family-tabs button{font:600 15px/1.2 'Cormorant Garamond',serif;text-align:left;color:#c9dbe7;background:#071824;border:1px solid #24475c;border-radius:13px;padding:14px;cursor:pointer}
.family-tabs button span{color:#7093aa;font:700 9px/1 Manrope,sans-serif;display:block;margin-bottom:6px}
.family-tabs button.active{color:#06121c;background:linear-gradient(100deg,#58e4ff,#f2c760);border-color:transparent}
.control-grid{display:grid;gap:16px}
.control-grid label{display:block}
.control-grid label>span{display:flex;justify-content:space-between;color:#b7ccda;font-size:11px;text-transform:uppercase;letter-spacing:.1em}
.control-grid output{color:var(--gold);font-variant-numeric:tabular-nums}
.control-grid input{width:100%;accent-color:#5ce3fa;margin-top:8px}
.palette-field{border:0;padding:0;margin:28px 0}
.palette-field legend{color:#9db7c8;text-transform:uppercase;letter-spacing:.13em;font-size:10px;margin-bottom:10px}
.palette-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.palette-options label{cursor:pointer}
.palette-options input{position:absolute;opacity:0}
.palette-options span{display:flex;align-items:center;gap:9px;border:1px solid #294c61;border-radius:11px;padding:10px;color:#b9cfdd;font-size:11px}
.palette-options i{width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,var(--a),var(--b));box-shadow:0 0 10px var(--a)}
.palette-options input:checked+span{border-color:#67d8ee;background:#0e3047;color:white}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.actions button{border:1px solid #315a72;background:#081b29;color:#d6e7f2;padding:12px 10px;border-radius:11px;cursor:pointer}
.actions button:hover{border-color:#edc15f;color:#f5cf78}
.technical-state{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:25px;padding-top:20px;border-top:1px solid #24475c}
.technical-state span{color:#68889d;font-size:9px;text-transform:uppercase;letter-spacing:.08em}
.technical-state strong{display:block;color:#b8ccda;font-size:10px;margin-top:4px}
.architecture{max-width:1300px;margin:auto;padding:80px clamp(22px,5vw,70px) 120px;border-top:1px solid #1c4054}
.architecture>h2{font-size:clamp(45px,6vw,78px);max-width:780px}
.architecture>div{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.architecture article{background:#081d2c;border:1px solid #23485e;border-radius:18px;padding:25px}
.architecture article span{color:var(--gold);font-size:11px;font-weight:800}
.architecture h3{font-size:27px}
.architecture article p{color:#9eb6c6;font-size:13px;line-height:1.65}
footer{display:flex;gap:18px;flex-wrap:wrap;padding:30px clamp(22px,5vw,80px);border-top:1px solid #1d4054;color:#89a4b7;font-size:12px}
footer a{margin-left:auto;color:#bad0df}
.audio-panel{margin:0 0 28px;padding:20px;border:1px solid #315a72;border-radius:16px;background:linear-gradient(135deg,#0b2435,#071621)}
.audio-panel .eyebrow{margin-bottom:8px}
.audio-panel h3{font-size:27px}
.audio-panel>p:not(.eyebrow){margin:6px 0 16px;color:#91adbf;font-size:11px;line-height:1.5}
.audio-panel>div{display:flex;gap:8px}
.audio-panel input[type=file]{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.audio-button,.audio-panel button{flex:1;border:1px solid #4c7890;border-radius:10px;padding:11px 12px;background:#092031;color:#d9ecf7;text-align:center;font:600 11px/1 Manrope,sans-serif;cursor:pointer}
.audio-button{background:linear-gradient(100deg,#55dff5,#e8bd5e);color:#05131c;border-color:transparent}
.audio-panel button:disabled{opacity:.35;cursor:not-allowed}
.audio-panel output{display:block;overflow:hidden;margin-top:12px;color:#e7c76e;font-size:10px;text-overflow:ellipsis;white-space:nowrap}
.family-tabs button:last-child{grid-column:1/-1;text-align:center}
@media(max-width:1050px){.lab{grid-template-columns:1fr;max-width:840px}
.viewport-wrap{position:relative;top:0;height:min(82vh,760px);min-height:560px}
.architecture>div{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){.site-header{height:78px;padding:0 14px}
.brand strong{font-size:25px}
.brand-mark{transform:scale(.76);transform-origin:left;width:48px}
.header-state{display:none}
.back{font-size:10px;padding:9px}
.hero-copy{padding-top:50px}
.lab{width:calc(100% - 20px)}
.viewport-wrap{min-height:440px;height:64vh;border-radius:20px}
.viewport-top,.viewport-bottom{left:26px;right:26px}
.viewport-top span:last-child,.viewport-bottom small{display:none}
.control-panel{border-radius:20px;padding:22px}
.family-tabs,.palette-options,.technical-state{grid-template-columns:1fr}
.architecture>div{grid-template-columns:1fr}
}
@media(max-width:620px){.family-tabs button:last-child{grid-column:auto}.audio-panel>div{flex-direction:column}}