/* ════════════════════════════════════════════════════════════════
   stevekoch.dev — SHARED DESIGN SYSTEM (gold)
   Mirrors the homepage look. Used by all deep-dive + legal subpages.
   ════════════════════════════════════════════════════════════════ */
@font-face{font-family:'Space Grotesk';font-weight:400;font-display:swap;src:url('/fonts/spacegrotesk-400.ttf') format('truetype')}
@font-face{font-family:'Space Grotesk';font-weight:500;font-display:swap;src:url('/fonts/space-grotesk-500.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-weight:600;font-display:swap;src:url('/fonts/spacegrotesk-600.ttf') format('truetype')}
@font-face{font-family:'Space Grotesk';font-weight:700;font-display:swap;src:url('/fonts/space-grotesk-700.woff2') format('woff2')}
@font-face{font-family:'Inter';font-weight:300;font-display:swap;src:url('/fonts/inter-300.ttf') format('truetype')}
@font-face{font-family:'Inter';font-weight:400;font-display:swap;src:url('/fonts/inter-400.ttf') format('truetype')}
@font-face{font-family:'Inter';font-weight:500;font-display:swap;src:url('/fonts/inter-500.ttf') format('truetype')}
@font-face{font-family:'Orbitron';font-weight:600;font-display:swap;src:url('/fonts/orbitron-600.ttf') format('truetype')}
@font-face{font-family:'Orbitron';font-weight:700;font-display:swap;src:url('/fonts/orbitron-700.ttf') format('truetype')}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0a0b0d;--bg-2:#101216;--surface:#13151b;--surface-2:#191b22;
  --text:#f4f5f7;--text-2:#a0a4b0;--text-3:#5e6470;
  --line:rgba(255,255,255,.08);--line-2:rgba(255,255,255,.18);
  --accent:#d8b878;--accent-2:#f0d9a8;--accent-deep:#9c7c3c;--hl:#f0d9a8;
  --neb:"216,184,120";--neb2:"150,130,90";
  --f-display:'Space Grotesk','Inter',sans-serif;--f-hud:'Orbitron',sans-serif;--f-body:'Inter',sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);--wrap:1240px;
}
body[data-theme="violet"]{--bg:#08070f;--bg-2:#0e0c1a;--surface:#141128;--surface-2:#191534;--accent:#8b6cff;--accent-2:#b9a3ff;--accent-deep:#5a3fd6;--hl:#5fe6ff;--neb:"139,108,255";--neb2:"95,230,255";--line:rgba(160,150,255,.10);--line-2:rgba(160,150,255,.24)}
body[data-theme="ember"]{--bg:#0c0907;--bg-2:#161009;--surface:#1b1410;--surface-2:#241a12;--accent:#ff6a3d;--accent-2:#ff9a6a;--accent-deep:#c7431a;--hl:#ffb347;--neb:"255,106,61";--neb2:"255,150,80";--line:rgba(255,200,160,.08);--line-2:rgba(255,200,160,.20)}

html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text-2);font-family:var(--f-body);font-weight:300;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:rgba(216,184,120,.3);color:#fff}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(1.5rem,5vw,3.2rem)}
.narrow{max-width:780px}
.grain{position:fixed;inset:0;z-index:99;pointer-events:none;opacity:.04;mix-blend-mode:overlay;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* LOADER */
.loader{position:fixed;inset:0;z-index:1000;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;transition:opacity .7s var(--ease),visibility .7s}
.loader.done{opacity:0;visibility:hidden;pointer-events:none}
.loader .lt{font-family:var(--f-hud);font-weight:700;font-size:.78rem;letter-spacing:.4em;color:var(--text);text-transform:uppercase}
.loader .lb{width:150px;height:2px;background:var(--line);border-radius:2px;overflow:hidden}
.loader .lb i{display:block;height:100%;width:40%;background:linear-gradient(90deg,transparent,var(--accent),transparent);animation:scan 1.1s linear infinite}
@keyframes scan{0%{transform:translateX(-120%)}100%{transform:translateX(330%)}}

/* PROGRESS */
.progress{position:fixed;top:0;left:0;height:2px;z-index:120;width:0;background:linear-gradient(90deg,var(--accent-deep),var(--accent),var(--hl));box-shadow:0 0 12px rgba(var(--neb),.6);transition:width .1s linear}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:80;display:flex;align-items:center;justify-content:space-between;padding:22px clamp(1.5rem,5vw,3.2rem);transition:all .4s var(--ease)}
.nav.s{padding:13px clamp(1.5rem,5vw,3.2rem);background:rgba(10,11,13,.8);backdrop-filter:blur(18px) saturate(1.3);border-bottom:1px solid var(--line)}
.brand{font-family:var(--f-hud);font-weight:700;font-size:.92rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text)}
.navright{display:flex;align-items:center;gap:30px}
.links{display:flex;gap:32px}
.links a{position:relative;font-family:var(--f-hud);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);transition:color .25s}
.links a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:1.5px;background:linear-gradient(90deg,var(--accent),var(--hl));transition:width .3s var(--ease)}
.links a:hover{color:var(--text)}.links a:hover::after{width:100%}
.lang{display:flex;align-items:center;gap:5px;font-family:var(--f-hud);font-size:.66rem}
.lang button{background:none;border:none;color:var(--text-3);cursor:pointer;letter-spacing:.08em;padding:3px;font-family:var(--f-hud);transition:color .2s}
.lang button.on{color:var(--accent)}.lang button:not(.on):hover{color:var(--text)}
.lang .sep{color:var(--text-3);opacity:.4}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s var(--ease)}
.nav.open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .burger span:nth-child(2){opacity:0}
.nav.open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu{display:none}

/* SUB-HERO (deep-dive header) */
.subhero{position:relative;padding:clamp(120px,20vh,190px) 0 clamp(50px,8vh,80px);overflow:hidden}
.subhero::before{content:"";position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 70% 80% at 22% 0%,rgba(var(--neb),.18),transparent 60%),radial-gradient(ellipse 60% 70% at 90% 30%,rgba(var(--neb2),.10),transparent 60%),linear-gradient(180deg,transparent 60%,var(--bg))}
.subhero.banner::before{background:linear-gradient(90deg,rgba(10,11,13,.92),rgba(10,11,13,.55) 55%,rgba(10,11,13,.25)),linear-gradient(180deg,transparent 55%,var(--bg))}
.subhero .sb-img{position:absolute;inset:0;z-index:-1;background-size:cover;background-position:center;opacity:.5}
.subhero .wrap{position:relative;z-index:1}
.back{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--f-hud);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);margin-bottom:22px;transition:color .25s,gap .25s var(--ease)}
.back:hover{color:var(--accent);gap:.7rem}
.subhero h1{font-family:var(--f-display);font-weight:700;letter-spacing:-.02em;color:var(--text);font-size:clamp(2.6rem,6.5vw,4.6rem);line-height:1;margin:0}
.subhero h1 .em{background:linear-gradient(120deg,var(--accent-2),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.subhero .lead{font-size:clamp(1.05rem,1.7vw,1.28rem);color:#d2d5e2;max-width:680px;margin-top:22px;font-weight:300}

/* common atoms */
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--f-hud);font-size:.66rem;letter-spacing:.26em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:18px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pd 2.2s ease infinite}
@keyframes pd{0%,100%{opacity:1}50%{opacity:.4}}
section{padding:clamp(70px,11vh,130px) 0;position:relative}
.hr{height:1px;max-width:var(--wrap);margin:0 auto;background:linear-gradient(90deg,transparent,var(--line) 25%,rgba(var(--neb),.4) 50%,var(--line) 75%,transparent)}
.idx{font-family:var(--f-hud);font-size:.68rem;letter-spacing:.2em;color:var(--accent)}
.h2{font-family:var(--f-display);font-weight:700;letter-spacing:-.02em;color:var(--text);font-size:clamp(2rem,5vw,3.3rem);line-height:1.05;margin-top:14px}
.h3{font-family:var(--f-display);font-weight:600;color:var(--text);font-size:clamp(1.3rem,2.4vw,1.8rem);letter-spacing:-.01em}
.lead{font-size:clamp(1.02rem,1.5vw,1.16rem);color:var(--text-2);max-width:680px;margin-top:20px;font-weight:300}
.prose p{margin-top:16px;max-width:760px}
.prose p:first-child{margin-top:0}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* buttons */
.btn{font-family:var(--f-hud);font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;font-weight:600;padding:15px 30px;border-radius:10px;border:1px solid transparent;transition:all .3s var(--ease);cursor:pointer;display:inline-flex;align-items:center;gap:.55rem;position:relative;overflow:hidden}
.btn .ar{transition:transform .3s var(--ease)}.btn:hover .ar{transform:translateX(4px)}
.btn-primary{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#0a0816;box-shadow:0 12px 36px -10px rgba(var(--neb),.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 48px -10px rgba(var(--neb),.85)}
.btn-line{border-color:var(--line-2);color:var(--text)}
.btn-line:hover{border-color:var(--accent);color:var(--accent);background:rgba(var(--neb),.06)}

/* grids + cards */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:880px){.g3,.g4{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.panel{background:linear-gradient(180deg,var(--surface),var(--bg-2));border:1px solid var(--line);border-radius:16px;padding:28px;position:relative;overflow:hidden;transition:all .35s var(--ease)}
.panel::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.22;transition:opacity .35s}
.panel:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 22px 54px -24px rgba(0,0,0,.85),0 0 44px rgba(var(--neb),.08)}
.panel:hover::before{opacity:.9}
.panel .n{font-family:var(--f-hud);font-size:.66rem;letter-spacing:.16em;color:var(--accent);opacity:.85}
.panel h3{font-family:var(--f-display);color:var(--text);font-size:1.25rem;font-weight:600;margin:10px 0 9px}
.panel h4{font-family:var(--f-display);color:var(--text);font-size:1.05rem;font-weight:600;margin-bottom:7px}
.panel p{font-size:.92rem;color:var(--text-2)}
.k{font-family:var(--f-hud);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.chips{margin-top:14px;display:flex;flex-wrap:wrap;gap:7px}
.chip{font-family:var(--f-hud);font-size:.58rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3);border:1px solid var(--line);border-radius:999px;padding:5px 10px}
.chip.on{color:var(--accent);border-color:var(--accent-deep)}

/* image card / shots */
.shot{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.shot img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s var(--ease)}
.shot:hover img{transform:scale(1.05)}
.shot .cap{position:absolute;inset:auto 0 0 0;padding:14px 16px;background:linear-gradient(to top,rgba(8,7,11,.92),transparent);font-family:var(--f-hud);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text);opacity:0;transition:opacity .3s}
.shot:hover .cap{opacity:1}

/* metric table */
.tbl{width:100%;border-collapse:collapse;margin-top:24px;font-size:.92rem}
.tbl th,.tbl td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
.tbl th{font-family:var(--f-hud);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);font-weight:600}
.tbl td{color:var(--text-2)}.tbl td:first-child{color:var(--text);font-weight:400}
.tbl tr:hover td{background:rgba(var(--neb),.04)}

/* callout */
.callout{background:rgba(var(--neb),.06);border:1px solid var(--line);border-left:2px solid var(--accent);border-radius:0 14px 14px 0;padding:24px 28px}
.callout .k{margin-bottom:8px;display:block}
.callout p{color:#d2d5e2}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:400;background:rgba(6,6,9,.94);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;padding:2rem;opacity:0;pointer-events:none;transition:opacity .35s var(--ease)}
.lightbox.open{opacity:1;pointer-events:all}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:14px;box-shadow:0 30px 90px rgba(0,0,0,.7);border:1px solid var(--line-2)}
.lightbox .x{position:absolute;top:1.5rem;right:1.8rem;font-size:2rem;color:var(--text-2);cursor:pointer;font-family:var(--f-hud)}

/* footer */
footer{padding:42px 0;border-top:1px solid var(--line);text-align:center;color:var(--text-3);font-family:var(--f-hud);font-size:.68rem;letter-spacing:.06em}
footer a{transition:color .2s}footer a:hover{color:var(--accent)}

@media(max-width:760px){
  .links,.lang{display:none}
  .burger{display:flex}
  .menu{display:none;position:fixed;inset:0;z-index:-1;flex-direction:column;align-items:center;justify-content:center;gap:28px;background:rgba(10,11,13,.97);backdrop-filter:blur(20px)}
  .nav.open .menu{display:flex}
  .menu a{font-family:var(--f-hud);font-size:1rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text)}
  .menu .lang2{display:flex;gap:8px;font-family:var(--f-hud)}
  .menu .lang2 button{background:none;border:0;color:var(--text-3);font-family:var(--f-hud);cursor:pointer}.menu .lang2 button.on{color:var(--accent)}
}