/* ============================================================
   cStor marketing site — styles
   ============================================================ */
:root{
  --bg:#070b11; --bg-2:#0a0e14; --bg-3:#0e1620;
  --panel:rgba(255,255,255,.035); --panel-2:rgba(255,255,255,.05);
  --border:rgba(255,255,255,.08); --border-2:rgba(255,255,255,.14);
  --text:#eaf2f8; --text-2:#aebbc8; --text-3:#6b7a8a;
  --accent:#00d4aa; --accent-2:#00b8d9; --accent-3:#0099ff; --warn:#ff7a59;
  --grad:linear-gradient(135deg,#00d4aa 0%,#00b8d9 50%,#0099ff 100%);
  --grad-soft:linear-gradient(135deg,rgba(0,212,170,.16),rgba(0,153,255,.16));
  --shadow:0 30px 80px -30px rgba(0,212,170,.25);
  --radius:18px; --max:1200px;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter','Noto Sans SC',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;background:radial-gradient(900px 600px at 12% -8%,rgba(0,212,170,.16),transparent 60%),radial-gradient(800px 600px at 92% 6%,rgba(0,153,255,.14),transparent 60%),radial-gradient(700px 700px at 50% 120%,rgba(0,184,217,.10),transparent 60%)}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 80%)}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
section{position:relative;padding:72px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);padding:5px 12px;border:1px solid var(--border-2);border-radius:999px;background:var(--panel)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.group-label{text-align:center;padding:64px 0 12px}
.group-label .eyebrow{font-size:13px;letter-spacing:.22em;padding:8px 18px}
.group-label .gl-rule{margin:18px auto 0;height:1px;width:min(220px,24vw);background:linear-gradient(90deg,transparent,var(--border-2),transparent)}
h2.title{font-size:clamp(24px,3.2vw,38px);font-weight:800;letter-spacing:-.02em;line-height:1.12;margin:14px 0 12px}
.sub{color:var(--text-2);font-size:clamp(13px,1.3vw,16px);max-width:680px}
.center{text-align:center}.center .sub{margin:0 auto}.head{margin-bottom:40px}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.3s}
.nav .inner{max-width:var(--max);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:18px;transition:.3s}
.nav.scrolled .inner{backdrop-filter:blur(14px);background:rgba(7,11,17,.72);border-bottom:1px solid var(--border)}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;font-weight:800;font-size:20px;letter-spacing:-.02em}
.logo .mark{width:34px;height:34px;border-radius:9px;background:var(--bg-2);border:1px solid var(--border-2);display:grid;place-items:center;box-shadow:0 0 18px -4px var(--accent)}
.logo .mark svg{width:22px;height:22px}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo-img{height:36px;max-height:36px;width:auto;max-width:none;display:block;vertical-align:middle;flex-shrink:0;transition:opacity .2s}
.nav .logo .logo-img,footer .logo .logo-img,.logo-img{height:36px!important;max-height:36px!important;width:auto!important;max-width:none!important;display:block;vertical-align:middle}
.logo:hover .logo-img{opacity:.85}
.logo-img-foot,footer .logo .logo-img.logo-img-foot{height:28px!important;max-height:28px!important;width:auto!important;max-width:none!important}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:18px}
.nav-links a{padding:8px 12px;font-size:14px;color:var(--text-2);border-radius:8px;transition:.2s;font-weight:500}
.nav-links a:hover{color:var(--text);background:var(--panel)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.lang{display:flex;align-items:center;border:1px solid var(--border-2);border-radius:999px;overflow:hidden;background:var(--panel);font-size:13px}
.lang button{border:0;background:transparent;color:var(--text-2);padding:7px 12px;cursor:pointer;font-weight:600;transition:.2s;font-family:inherit}
.lang button.active{background:var(--grad);color:#04121a}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-weight:600;font-size:14px;cursor:pointer;border:1px solid transparent;transition:.2s;font-family:inherit}
.btn-primary{background:var(--grad);color:#04121a;box-shadow:0 10px 30px -10px rgba(0,212,170,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -10px rgba(0,212,170,.8)}
.btn-ghost{border-color:var(--border-2);color:var(--text);background:var(--panel)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.burger{display:none;background:transparent;border:1px solid var(--border-2);border-radius:8px;width:40px;height:40px;cursor:pointer;color:var(--text)}

/* Hero */
.hero{padding:128px 0 68px;position:relative;overflow:hidden}
.hero .glow{position:absolute;top:-160px;left:50%;transform:translateX(-50%);width:1100px;height:700px;background:radial-gradient(closest-side,rgba(0,212,170,.22),transparent 70%);filter:blur(20px);z-index:-1}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(30px,4.6vw,58px);font-weight:900;letter-spacing:-.03em;line-height:1.04;margin:18px 0 16px}
.hero h1 .a{display:block;font-size:.4em;font-weight:600;letter-spacing:.02em;color:var(--accent);margin-bottom:8px}
.hero p.lead{font-size:clamp(14px,1.4vw,17px);color:var(--text-2);max-width:560px;margin-bottom:24px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:flex;flex-direction:column;padding:10px 14px;border:1px solid var(--border);border-radius:12px;background:var(--panel);min-width:108px}
.chip .v{font-family:var(--mono);font-weight:700;font-size:17px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.chip .l{font-size:11px;color:var(--text-3);margin-top:2px}
.hero-card{position:relative;border:1px solid var(--border-2);border-radius:22px;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.01));padding:20px;box-shadow:var(--shadow);overflow:hidden}
.hero-card .top{display:flex;align-items:center;gap:8px;margin-bottom:14px}
.hero-card .dot{width:11px;height:11px;border-radius:50%}
.hero-card .perf-row{margin-bottom:16px}
.hero-card .perf-label{display:block;font-family:var(--mono);font-size:11px;color:var(--text-3);margin-bottom:6px;letter-spacing:.04em}
.hero-card .perf-bar{height:10px;border-radius:6px;background:var(--panel-2);position:relative;overflow:visible}
.hero-card .perf-bar i{position:absolute;left:0;top:0;bottom:0;width:78%;background:var(--grad);border-radius:6px;transition:width .9s cubic-bezier(.4,0,.2,1)}
.hero-card .perf-val{position:absolute;right:0;top:-20px;font-family:var(--mono);font-weight:700;font-size:12px;color:var(--accent);background:var(--bg-2);padding:2px 7px;border-radius:6px;border:1px solid var(--border-2);white-space:nowrap}
.hero-card .lat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0 6px}
.hero-card .lat{display:flex;flex-direction:column;align-items:center;padding:8px 4px;border:1px solid var(--border);border-radius:10px;background:var(--panel)}
.hero-card .lat span{font-family:var(--mono);font-size:11px;color:var(--text-3)}
.hero-card .lat .lat-val{font-family:var(--mono);font-weight:700;color:var(--accent);font-size:13px;margin-top:3px}
.hero-card .row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--border)}
.hero-card .row:last-child{border:0}
.hero-card .row span{font-family:var(--mono);font-size:12px;color:var(--text-2)}
.hero-card .row b{font-family:var(--mono);font-weight:700;color:var(--accent);font-size:13px}
.orbit{position:absolute;right:-40px;bottom:-40px;width:220px;height:220px;border-radius:50%;border:1px solid var(--border);opacity:.5;pointer-events:none}
.orbit::before{content:"";position:absolute;inset:18px;border-radius:50%;border:1px dashed var(--border-2)}
.orbit::after{content:"";position:absolute;inset:46px;border-radius:50%;background:var(--grad-soft);filter:blur(6px)}

/* trust */
.trust{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:rgba(255,255,255,.015)}
.trust .inner{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;padding:26px 0}
.trust .t{text-align:center}
.trust .t b{font-family:var(--mono);font-size:clamp(20px,2.2vw,28px);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.trust .t span{font-size:12px;color:var(--text-3)}
.trust-note{font-size:11px;color:var(--text-3);text-align:center;padding:10px 24px 18px;opacity:.85;letter-spacing:.02em}
.trust-note{font-size:11px;color:var(--text-3);text-align:center;padding:10px 24px 18px;opacity:.85}

/* problem */
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.pain{padding:24px;border:1px solid var(--border);border-radius:14px;background:var(--panel);transition:.25s}
.pain:hover{border-color:var(--warn);transform:translateY(-4px)}
.pain .n{font-family:var(--mono);font-size:12px;color:var(--warn);font-weight:700}
.pain h4{font-size:16px;margin:6px 0 6px;font-weight:700}
.pain p{font-size:13px;color:var(--text-2)}
.gap-banner{margin-top:40px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.gap-card{padding:26px;border-radius:16px;border:1px solid var(--border);background:var(--panel);position:relative;overflow:hidden}
.gap-card .big{font-family:var(--mono);font-size:clamp(40px,6vw,64px);font-weight:800;line-height:1}
.gap-card.gpu .big{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.gap-card.ssd .big{color:var(--warn)}
.gap-card .cap{font-size:14px;color:var(--text-2);margin-top:8px}

/* advantages */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.adv{padding:22px;border:1px solid var(--border);border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));transition:.3s;position:relative;overflow:hidden}
.adv::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.4s}
.adv:hover{transform:translateY(-6px);border-color:var(--border-2);box-shadow:0 24px 50px -28px rgba(0,212,170,.4)}
.adv:hover::before{transform:scaleX(1)}
.adv .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--grad-soft);border:1px solid var(--border-2);margin-bottom:12px}
.adv .ic svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.7}
.adv h4{font-size:16px;font-weight:700;margin-bottom:6px}
.adv p{font-size:13px;color:var(--text-2)}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:48px}
.metric{padding:24px 20px;border:1px solid var(--border);border-radius:16px;background:var(--panel);text-align:center;position:relative;overflow:hidden}
.metric .v{font-family:var(--mono);font-size:clamp(28px,4vw,44px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.metric .l{font-size:14px;font-weight:600;margin-top:8px}
.metric .d{font-size:12px;color:var(--text-3);margin-top:4px}

/* compatibility certifications block */
.cert-block{margin-top:48px;padding:28px;border:1px solid var(--border);border-radius:18px;background:var(--panel);text-align:center}
.cert-title{font-size:22px;font-weight:800;margin-bottom:8px}
.cert-caption{font-size:13px;color:var(--text-2);max-width:760px;margin:0 auto 22px;line-height:1.7}
.cert-img{display:block;width:100%;max-width:960px;margin:0 auto;border-radius:14px;border:1px solid var(--border-2);background:var(--bg-2);cursor:zoom-in;transition:transform .35s cubic-bezier(.4,0,.2,1),box-shadow .35s ease,border-color .35s ease}
.cert-img:hover{transform:translateY(-4px) scale(1.01);box-shadow:0 24px 60px -28px rgba(0,212,170,.45);border-color:var(--accent)}

/* lightbox overlay */
.lightbox{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;background:rgba(5,8,14,.92);backdrop-filter:blur(6px);padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:96vw;max-height:92vh;border-radius:10px;border:1px solid var(--border-2);box-shadow:0 30px 90px -30px rgba(0,0,0,.8);cursor:zoom-out}
.lightbox-close{position:absolute;top:18px;right:24px;width:42px;height:42px;border-radius:50%;border:1px solid var(--border-2);background:var(--panel-2);color:var(--text);font-size:26px;line-height:1;cursor:pointer;transition:.25s}
.lightbox-close:hover{background:var(--accent);color:#04121a;border-color:var(--accent)}

/* performance footnote reference + page-bottom footnote */
.ast-ref{font-size:.7em;color:var(--accent);vertical-align:super;margin-left:2px;font-weight:700}
.foot-disclaimer{font-size:11px;color:var(--text-3);margin-top:10px;line-height:1.5;text-align:left}