/* cryptoitdata remote: limbaj vizual preluat de pe cryptoitdata.eu
   (benzi închise #050811 cu grilă și strălucire, suprafețe albe, gradient #26C6B5 → #1E88E5,
   titluri Space Grotesk, text Inter, butoane pill, carduri rounded-3xl). Fonturile sunt găzduite local. */
@font-face{font-family:"Inter";font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/inter-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Inter";font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/inter-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:500 700;font-display:swap;src:url(fonts/spacegrotesk-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:500 700;font-display:swap;src:url(fonts/spacegrotesk-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --ink:#050811;--ink-2:#0a0f1e;--surface:#fff;--surface-muted:#f8fafc;
  --text:#0f172a;--text-2:#475569;--text-3:#64748b;--line:#e2e8f0;--code:#f1f5f9;
  --on-dark:#fff;--on-dark-2:#cbd5e1;--on-dark-3:#94a3b8;--line-dark:rgba(255,255,255,.1);
  --teal:#26c6b5;--blue:#1e88e5;--grad:linear-gradient(135deg,var(--teal),var(--blue));
  --display:"Space Grotesk",Inter,system-ui,sans-serif;--sans:Inter,"Segoe UI",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"Cascadia Code",Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--surface);color:var(--text);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-underline-offset:3px}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.wrap{padding:0 32px}}

/* ---- bandă închisă (antet + hero), ca pe cryptoitdata.eu ---- */
.dark{position:relative;isolation:isolate;overflow:hidden;background:var(--ink);color:var(--on-dark)}
.dark::before{content:"";position:absolute;inset:0;z-index:-2;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse at 50% 0,#000 30%,transparent 80%);mask-image:radial-gradient(ellipse at 50% 0,#000 30%,transparent 80%)}
.dark::after{content:"";position:absolute;inset:-20% -10% auto;height:120%;z-index:-1;pointer-events:none;
  background:radial-gradient(600px 360px at 18% 10%,rgba(38,198,181,.22),transparent 70%),radial-gradient(640px 420px at 85% 30%,rgba(30,136,229,.22),transparent 70%),radial-gradient(520px 300px at 55% 110%,rgba(91,61,200,.18),transparent 70%)}

.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0}
.brand{display:flex;align-items:center;gap:10px;color:var(--on-dark);text-decoration:none;font:700 19px/1 var(--display);letter-spacing:-.01em}
.brand img{width:38px;height:38px;filter:drop-shadow(0 0 24px rgba(38,198,181,.25))}
.brand .it{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand small{font:500 13px/1 var(--sans);color:var(--on-dark-3);letter-spacing:0;margin-left:4px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{color:var(--on-dark-2);text-decoration:none;font-weight:500;font-size:15px;padding:8px 12px;border-radius:999px}
.nav-links a:hover{color:var(--on-dark);background:rgba(255,255,255,.06)}
.nav-links a.btn{color:#fff;padding:10px 18px}
@media (max-width:640px){.brand small,.nav-links a:not(.btn){display:none}}

.hero{padding:56px 0 88px;max-width:820px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid var(--line-dark);background:rgba(255,255,255,.04);color:var(--on-dark-2);font-size:13px;font-weight:500;backdrop-filter:blur(8px)}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(38,198,181,.18)}
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.025em;line-height:1.08;margin:0}
h1{font-size:clamp(36px,6.4vw,68px);letter-spacing:-.04em;margin:22px 0 18px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(17px,2vw,20px);color:var(--on-dark-2);margin:0;max-width:680px}
.lead a{color:var(--teal)}

/* ---- butoane ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--grad);color:#fff;text-decoration:none;font-weight:600;font-size:15px;padding:12px 20px;border-radius:999px;border:0;transition:transform .2s,box-shadow .2s;box-shadow:0 8px 24px -10px rgba(30,136,229,.6)}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 28px -10px rgba(38,198,181,.7)}
.btn.alt{background:transparent;color:var(--text);border:1px solid var(--line);box-shadow:none}
.btn.alt:hover{border-color:var(--teal);color:var(--text)}
.btn svg{width:16px;height:16px}

/* ---- secțiuni deschise ---- */
.section{padding:72px 0}
.section.muted{background:var(--surface-muted)}
.section.lift{margin-top:-48px;padding-top:0}
.eyebrow{display:block;font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--text-3);margin-bottom:12px}
.section h2{font-size:clamp(28px,4vw,44px);margin-bottom:14px}
.section .sub{color:var(--text-2);margin:0 0 28px;max-width:640px}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:20px}
.card{position:relative;display:flex;flex-direction:column;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px;transition:border-color .3s,box-shadow .3s,transform .3s}
.card:hover{border-color:transparent;box-shadow:0 0 0 1px rgba(38,198,181,.45),0 24px 48px -24px rgba(30,136,229,.35);transform:translateY(-2px)}
.card h3{font-size:22px}
.card p{margin:0;color:var(--text-2);font-size:15px}
.card .tag{font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--text-3)}
.icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:16px;background:var(--grad);color:#fff;box-shadow:0 10px 24px -10px rgba(30,136,229,.7)}
.icon svg{width:24px;height:24px}
.row{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:6px}

code,pre{font-family:var(--mono);font-size:13px;background:var(--code);border-radius:10px;color:var(--text)}
code{padding:2px 6px}
pre{padding:12px 14px;margin:0;white-space:pre-wrap;word-break:break-all;border:1px solid var(--line)}

.table{width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.table td,.table th{padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
.table tr:last-child td{border-bottom:0}
.table td:first-child{color:var(--text-3);width:32%;font-weight:500}
.table td code{word-break:break-all}

/* ---- ghid ---- */
.doc{display:grid;gap:40px}
@media (min-width:960px){.doc{grid-template-columns:240px 1fr;gap:56px}}
.toc{position:sticky;top:20px;align-self:start;display:flex;flex-direction:column;gap:2px;padding:20px;border:1px solid var(--line);border-radius:20px;background:var(--surface)}
.toc b{font:600 11px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--text-3);margin-bottom:10px}
.toc a{color:var(--text-2);text-decoration:none;font-size:14px;padding:6px 10px;border-radius:10px}
.toc a:hover{background:var(--surface-muted);color:var(--text)}
@media (max-width:959px){.toc{position:static}}
.doc section{scroll-margin-top:20px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.doc section:last-child{border-bottom:0}
.doc h2{font-size:clamp(24px,3vw,32px);margin-bottom:16px;display:flex;align-items:center;gap:12px}
.doc h2 .n{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;font-size:16px;flex:none}
.doc li{margin:8px 0}.doc ul,.doc ol{padding-left:22px}
.note{background:var(--surface-muted);border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:14px;padding:14px 18px;font-size:14px;color:var(--text-2)}
.doc .table{margin:12px 0}

/* ---- subsol ---- */
.footer{background:var(--ink);color:var(--on-dark-3);font-size:14px;padding:40px 0}
.footer .wrap{display:flex;flex-wrap:wrap;gap:16px 32px;justify-content:space-between;align-items:center}
.footer a{color:var(--on-dark-2)}
.footer p{margin:0;max-width:620px}