/* ============ VORYNOX — Premium Tech CSS ============ */
:root{
  --bg:#050507; --bg2:#0b0b10; --surface:rgba(255,255,255,.04);
  --glass:rgba(255,255,255,.06); --glass-b:rgba(255,255,255,.12);
  --txt:#f4f5f7; --muted:#9aa0ab; --accent:#e8e8ec; --accent2:#8f9096;
  --glow:rgba(255,255,255,.25); --grad:linear-gradient(135deg,#fff,#9aa0ab);
  --ok:#2fd57b; --warn:#f5b83d; --alert:#ff8a3d; --err:#ff4d5e; --sun:#3da5ff; --off:#555;
  --radius:18px; --tr:.6s cubic-bezier(.22,1,.36,1);
}
[data-theme="electric"]{--bg:#03060f;--bg2:#071024;--accent:#3da5ff;--accent2:#7cc4ff;--glow:rgba(61,165,255,.35);--grad:linear-gradient(135deg,#3da5ff,#7cf0ff)}
[data-theme="emerald"]{--bg:#030d08;--bg2:#06170f;--accent:#2fd57b;--accent2:#7cf0b8;--glow:rgba(47,213,123,.35);--grad:linear-gradient(135deg,#2fd57b,#a5f3c9)}
[data-theme="purple"]{--bg:#08040f;--bg2:#120826;--accent:#a45dff;--accent2:#d3a8ff;--glow:rgba(164,93,255,.4);--grad:linear-gradient(135deg,#a45dff,#ff7ce8)}
[data-theme="copper"]{--bg:#0d0704;--bg2:#1a0f08;--accent:#e0885a;--accent2:#f5c9a8;--glow:rgba(224,136,90,.35);--grad:linear-gradient(135deg,#e0885a,#f5d9a8)}
[data-theme="arctic"]{--bg:#f2f4f8;--bg2:#e6eaf2;--surface:rgba(0,0,0,.04);--glass:rgba(255,255,255,.6);--glass-b:rgba(0,0,0,.1);--txt:#12141a;--muted:#5a6272;--accent:#1d5cff;--accent2:#4d84ff;--glow:rgba(29,92,255,.25);--grad:linear-gradient(135deg,#1d5cff,#00c2ff)}
[data-theme="crimson"]{--bg:#0f0306;--bg2:#1d060c;--accent:#ff3d5c;--accent2:#ff8aa0;--glow:rgba(255,61,92,.35);--grad:linear-gradient(135deg,#ff3d5c,#ffb14d)}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Space Grotesk','Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--txt);overflow-x:hidden;transition:background .8s ease,color .8s ease;line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%}
::selection{background:var(--accent);color:var(--bg)}
::-webkit-scrollbar{width:9px}::-webkit-scrollbar-thumb{background:var(--glass-b);border-radius:9px}::-webkit-scrollbar-track{background:var(--bg)}

/* canvas bg */
#bgfx{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.8}
.page{position:relative;z-index:1}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:14px 5vw;backdrop-filter:blur(20px);background:color-mix(in srgb,var(--bg) 65%,transparent);border-bottom:1px solid var(--glass-b);transition:var(--tr)}
.nav .brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:1.25rem;letter-spacing:3px}
.nav .brand img{height:34px;filter:drop-shadow(0 0 8px var(--glow))}
[data-theme="arctic"] .nav .brand img.inv{filter:invert(1)}
.nav ul{display:flex;gap:28px;list-style:none;font-size:.92rem}
.nav ul a{color:var(--muted);transition:.3s;position:relative}
.nav ul a:hover,.nav ul a.act{color:var(--txt)}
.nav ul a::after{content:'';position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad);transition:.3s}
.nav ul a:hover::after{width:100%}
.nav .right{display:flex;gap:12px;align-items:center}
.burger{display:none;background:none;border:none;color:var(--txt);font-size:1.6rem;cursor:pointer}

/* theme switcher */
.themes{display:flex;gap:7px;padding:7px 10px;border-radius:99px;background:var(--glass);border:1px solid var(--glass-b);backdrop-filter:blur(10px)}
.tdot{width:18px;height:18px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:.3s}
.tdot:hover{transform:scale(1.25)}
.tdot.on{border-color:#fff;box-shadow:0 0 10px var(--glow)}
.tdot[data-t="carbon"]{background:linear-gradient(135deg,#222,#555)}
.tdot[data-t="electric"]{background:linear-gradient(135deg,#0a2a6b,#3da5ff)}
.tdot[data-t="emerald"]{background:linear-gradient(135deg,#0a4227,#2fd57b)}
.tdot[data-t="purple"]{background:linear-gradient(135deg,#3d1273,#a45dff)}
.tdot[data-t="copper"]{background:linear-gradient(135deg,#6b3a1a,#e0885a)}
.tdot[data-t="arctic"]{background:linear-gradient(135deg,#dfe6f2,#fff)}
.tdot[data-t="crimson"]{background:linear-gradient(135deg,#6b0f22,#ff3d5c)}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 30px;border-radius:99px;border:1px solid var(--glass-b);background:var(--glass);color:var(--txt);font-weight:600;font-size:.95rem;cursor:pointer;transition:.35s;backdrop-filter:blur(10px);position:relative;overflow:hidden}
.btn:hover{transform:translateY(-3px);box-shadow:0 12px 40px var(--glow);border-color:var(--accent)}
.btn.pri{background:var(--grad);color:#0a0a0e;border:none;font-weight:700}
[data-theme="arctic"] .btn.pri{color:#fff}
.btn.pri:hover{filter:brightness(1.12)}

/* ===== HERO ===== */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:120px 5vw 60px;position:relative}
.hero .karo3d{width:min(340px,60vw);margin-bottom:40px;position:relative;animation:floaty 6s ease-in-out infinite}
.hero .karo3d img{width:100%;filter:drop-shadow(0 30px 60px var(--glow)) drop-shadow(0 0 25px var(--glow));transform-style:preserve-3d;transition:transform .2s ease-out}
.hero .karo3d::after{content:'';position:absolute;left:10%;right:10%;bottom:-30px;height:30px;background:radial-gradient(ellipse,var(--glow),transparent 70%);filter:blur(8px)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
.hero h1{font-size:clamp(2.2rem,6vw,4.6rem);font-weight:700;letter-spacing:-1px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.12;max-width:900px}
.hero p.sub{margin:22px auto 38px;max-width:640px;color:var(--muted);font-size:clamp(1rem,2vw,1.2rem)}
.hero .ctas{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.tag{display:inline-block;padding:8px 20px;border-radius:99px;border:1px solid var(--glass-b);background:var(--glass);font-size:.8rem;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-bottom:26px;backdrop-filter:blur(8px)}

/* ===== SECTIONS ===== */
section{padding:110px 5vw;max-width:1300px;margin:0 auto;position:relative}
.sec-head{text-align:center;margin-bottom:64px}
.sec-head h2{font-size:clamp(1.8rem,4vw,3rem);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head p{color:var(--muted);max-width:600px;margin:14px auto 0}

.grid{display:grid;gap:26px}
.g3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.g2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}

.card{background:var(--glass);border:1px solid var(--glass-b);border-radius:var(--radius);padding:34px 28px;backdrop-filter:blur(16px);transition:.45s cubic-bezier(.22,1,.36,1);position:relative;overflow:hidden;transform-style:preserve-3d}
.card:hover{transform:translateY(-8px);border-color:var(--accent);box-shadow:0 24px 60px -20px var(--glow)}
.card::before{content:'';position:absolute;inset:0;background:radial-gradient(500px circle at var(--mx,50%) var(--my,50%),var(--glow),transparent 45%);opacity:0;transition:.4s;pointer-events:none}
.card:hover::before{opacity:.5}
.card .ic{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--grad);margin-bottom:20px;font-size:1.5rem;color:#0a0a0e;box-shadow:0 8px 24px var(--glow)}
[data-theme="arctic"] .card .ic{color:#fff}
.card h3{font-size:1.15rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.93rem}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px;text-align:center}
.stat{padding:34px 16px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-b);backdrop-filter:blur(12px)}
.stat b{display:block;font-size:2.4rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:.88rem}

/* reveal */
.reveal{opacity:1;transform:none;transition:opacity .8s ease,transform .8s ease}
.reveal.pre{opacity:0;transform:translateY(36px)}
.reveal.in{opacity:1;transform:none}

/* ===== SIM (hex grid) ===== */
.simwrap{display:grid;grid-template-columns:1fr 340px;gap:26px;align-items:start}
.hexfield{background:var(--glass);border:1px solid var(--glass-b);border-radius:var(--radius);padding:40px 20px;backdrop-filter:blur(14px);perspective:900px;min-height:440px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hexgrid{transform:rotateX(38deg) rotateZ(0deg);transform-style:preserve-3d}
.hexrow{display:flex;justify-content:center}
.hexrow:nth-child(even){transform:translateX(46px)}
.hex{width:92px;height:80px;margin:-6px 2px;position:relative;cursor:pointer;transition:transform .35s cubic-bezier(.22,1,.36,1),filter .35s}
.hex img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 6px 12px rgba(0,0,0,.5))}
.hex:hover{transform:translateZ(34px) scale(1.08);z-index:5}
.hex:hover img{filter:drop-shadow(0 0 18px var(--glow)) drop-shadow(0 14px 20px rgba(0,0,0,.6))}
.hex .pw{position:absolute;top:-8px;left:50%;transform:translateX(-50%) rotateX(-38deg);background:var(--grad);color:#0a0a0e;font-size:.66rem;font-weight:700;padding:3px 9px;border-radius:99px;opacity:0;transition:.3s;white-space:nowrap;pointer-events:none}
.hex:hover .pw{opacity:1;top:-20px}
.hex.sel img{filter:drop-shadow(0 0 22px var(--accent))}
.hex .pulse{position:absolute;inset:22%;border-radius:50%;background:radial-gradient(circle,var(--glow),transparent 70%);opacity:0;pointer-events:none}
.hex:hover .pulse{animation:pul 1.2s ease-in-out infinite}
@keyframes pul{0%,100%{opacity:.15;transform:scale(.8)}50%{opacity:.7;transform:scale(1.15)}}
.simpanel{background:var(--glass);border:1px solid var(--glass-b);border-radius:var(--radius);padding:26px;backdrop-filter:blur(14px);position:sticky;top:90px}
.simpanel h3{margin-bottom:16px;font-size:1.05rem;display:flex;align-items:center;gap:8px}
.kv{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--glass-b);font-size:.88rem}
.kv span{color:var(--muted)}.kv b{font-variant-numeric:tabular-nums}
.hbar{height:8px;border-radius:9px;background:var(--surface);overflow:hidden;margin-top:6px}
.hbar i{display:block;height:100%;background:var(--grad);border-radius:9px;transition:width .6s}
.livebox{margin-top:18px;padding:16px;border-radius:14px;background:var(--surface);border:1px solid var(--glass-b);text-align:center}
.livebox b{font-size:1.7rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.livebox span{display:block;color:var(--muted);font-size:.8rem;margin-top:3px}
.dotlive{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);animation:pul 1.5s infinite;margin-right:6px}

/* ===== CALCULATOR ===== */
.calc{display:grid;grid-template-columns:380px 1fr;gap:26px}
.calc .form{background:var(--glass);border:1px solid var(--glass-b);border-radius:var(--radius);padding:30px;backdrop-filter:blur(14px)}
.f label{display:block;font-size:.82rem;color:var(--muted);margin:16px 0 7px}
.f input,.f select,.f textarea{width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--glass-b);background:var(--surface);color:var(--txt);font-family:inherit;font-size:.95rem;transition:.3s}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--glow)}
.f select option{background:var(--bg2);color:var(--txt)}
.calc .out{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;align-content:start}
.calc .out .stat b{font-size:1.6rem}
.calc canvas{grid-column:1/-1;background:var(--glass);border:1px solid var(--glass-b);border-radius:var(--radius);padding:10px;width:100%!important;max-height:280px}

/* areas */
.areas{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.area{padding:12px 24px;border-radius:99px;background:var(--glass);border:1px solid var(--glass-b);font-size:.9rem;transition:.35s;cursor:default;backdrop-filter:blur(8px)}
.area:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 10px 28px -8px var(--glow);color:var(--accent)}

/* footer */
footer{border-top:1px solid var(--glass-b);padding:60px 5vw 34px;background:var(--bg2);position:relative;z-index:1}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;max-width:1300px;margin:0 auto 40px}
footer h4{margin-bottom:16px;font-size:.95rem}
footer a{display:block;color:var(--muted);font-size:.88rem;margin-bottom:9px;transition:.3s}
footer a:hover{color:var(--accent)}
.copy{text-align:center;color:var(--muted);font-size:.8rem;border-top:1px solid var(--glass-b);padding-top:26px;max-width:1300px;margin:0 auto}

/* misc */
.badge{display:inline-block;padding:4px 12px;border-radius:99px;font-size:.72rem;font-weight:700}
.b-ok{background:rgba(47,213,123,.15);color:var(--ok)}
.b-warn{background:rgba(245,184,61,.15);color:var(--warn)}
.b-alert{background:rgba(255,138,61,.15);color:var(--alert)}
.b-err{background:rgba(255,77,94,.15);color:var(--err)}
.b-sun{background:rgba(61,165,255,.15);color:var(--sun)}
.b-off{background:rgba(120,120,120,.2);color:#999}

.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--grad);color:#0a0a0e;padding:14px 30px;border-radius:99px;font-weight:700;z-index:999;transition:.5s;opacity:0}
.toast.show{transform:translateX(-50%);opacity:1}

@media(max-width:980px){
  .nav ul{display:none;position:fixed;top:64px;left:0;right:0;flex-direction:column;background:var(--bg2);padding:24px 5vw;gap:18px;border-bottom:1px solid var(--glass-b)}
  .nav ul.open{display:flex}
  .burger{display:block}
  .simwrap,.calc{grid-template-columns:1fr}
  .simpanel{position:static}
  .fgrid{grid-template-columns:1fr 1fr}
  .themes{padding:5px 8px}
}