/* =============================================================
   Telixus corporate site — design tokens aligned with the
   gateway.telixus.co console (Tailwind teal + slate palette)
   ============================================================= */
:root{
  --bg:#0f172a;          /* slate-900 */
  --bg2:#1e293b;         /* slate-800 */
  --card:#1e293b;
  --card2:#172033;
  --line:#334155;        /* slate-700 */
  --line-soft:#26334d;
  --txt:#f1f5f9;         /* slate-100 */
  --muted:#94a3b8;       /* slate-400 */
  --muted2:#64748b;      /* slate-500 */
  --primary:#14b8a6;     /* teal-500 */
  --primary-hi:#2dd4bf;  /* teal-400 */
  --primary-soft:rgba(20,184,166,.12);
  --grad:linear-gradient(135deg,#14b8a6,#2dd4bf);
  --grad-line:linear-gradient(90deg,transparent 0%,#14b8a6 20%,#2dd4bf 50%,#14b8a6 80%,transparent 100%);
  --ok:#22c55e;
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  overflow-x:hidden;
  background:var(--bg);color:var(--txt);
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:var(--primary-hi);text-decoration:none}
a:hover{color:var(--txt)}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}

/* ---- language switching ---- */
.zh{display:none}
html.lang-zh .zh{display:inline}
html.lang-zh .en{display:none}
.zh-block{display:none}
html.lang-zh .zh-block{display:block}
html.lang-zh .en-block{display:none}
.en-block{display:block}

/* ---- header ---- */
header.site{position:sticky;top:0;z-index:50;background:rgba(15,23,42,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
nav.site{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.logo{font-size:21px;font-weight:800;color:var(--txt);letter-spacing:.4px;white-space:nowrap}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:24px;align-items:center;flex-wrap:nowrap}
.nav-links>a{color:var(--muted);font-size:14px;transition:color .2s;white-space:nowrap}
.nav-links>a:hover{color:var(--txt)}
.nav-links>a.btn-primary,.nav-links>a.btn-primary:hover{color:#04211d}
.btn{display:inline-block;padding:10px 22px;border-radius:9px;font-size:14px;font-weight:600;transition:all .2s;cursor:pointer;white-space:nowrap}
.btn-primary{background:var(--grad);color:#04211d}
.btn-primary:hover{filter:brightness(1.1);color:#04211d}
.btn-ghost{border:1px solid var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-hi)}
.lang-btn{cursor:pointer;border:1px solid var(--line);background:none;color:var(--muted);padding:6px 12px;border-radius:7px;font-size:13px}
.lang-btn:hover{color:var(--primary-hi);border-color:var(--primary)}

/* ---- hero ---- */
.hero{padding:104px 0 84px;text-align:center;position:relative;
  background:
    radial-gradient(ellipse 65% 55% at 50% -12%,rgba(20,184,166,.16),transparent),
    radial-gradient(ellipse 45% 40% at 82% 8%,rgba(45,212,191,.09),transparent)}
.hero .eyebrow{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:6px 16px;font-size:13px;color:var(--primary-hi);margin-bottom:26px;background:var(--primary-soft)}
.hero h1{font-size:54px;line-height:1.14;font-weight:800;letter-spacing:-1.2px}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lede{max-width:720px;margin:26px auto 40px;color:var(--muted);font-size:18px}
.hero .cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---- stats strip ---- */
.stats{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:var(--card2)}
.stats .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:8px;padding:30px 0}
.stat{text-align:center;padding:8px 12px}
.stat .n{font-size:28px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{color:var(--muted);font-size:13.5px;margin-top:4px}

/* ---- sections ---- */
section{padding:88px 0}
.sec-eyebrow{display:block;text-align:center;color:var(--primary-hi);font-size:13.5px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:14px}
.sec-title{text-align:center;font-size:36px;font-weight:800;margin-bottom:14px;letter-spacing:-.5px}
.sec-sub{text-align:center;color:var(--muted);margin:0 auto 56px;font-size:16.5px;max-width:760px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.card{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:32px 28px;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:var(--primary)}
.card .ico{width:48px;height:48px;border-radius:11px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:20px;color:#04211d;font-weight:700}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px}
.card ul.feat{list-style:none;margin-top:16px}
.card ul.feat li{padding:5px 0 5px 24px;position:relative;color:var(--muted);font-size:13.5px}
.card ul.feat li::before{content:"✓";position:absolute;left:0;color:var(--primary-hi);font-weight:700}
.card .more{display:inline-block;margin-top:18px;font-size:13.5px;font-weight:600}

/* ---- alt band ---- */
.band{background:var(--card2);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}

/* ---- split feature ---- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split h2{font-size:32px;font-weight:800;margin-bottom:16px;letter-spacing:-.5px}
.split .kicker{color:var(--primary-hi);font-size:13.5px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.split p.desc{color:var(--muted);font-size:15.5px}
.split ul.checks{list-style:none;margin:22px 0 30px}
.split ul.checks li{padding:8px 0 8px 30px;position:relative;color:var(--muted);font-size:15px}
.split ul.checks li b{color:var(--txt);font-weight:600}
.split ul.checks li::before{content:"✓";position:absolute;left:0;color:var(--primary-hi);font-weight:700}

/* ---- code block ---- */
.code{background:#0b1220;border:1px solid var(--line-soft);border-radius:12px;padding:22px;font-size:13px;color:#9fb3ce;overflow-x:auto;line-height:1.7}
.code .c{color:#5b6b8c}
.code .k{color:#2dd4bf}
.code .s{color:#7ee0a3}
.code-title{display:flex;gap:8px;align-items:center;margin-bottom:14px}
.code-title .dot{width:11px;height:11px;border-radius:50%;background:var(--line)}
.code-title .dot:first-child{background:#f87171}.code-title .dot:nth-child(2){background:#fbbf24}.code-title .dot:nth-child(3){background:#34d399}

/* ---- two-column eval/protect panels ---- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.panel{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:34px 30px}
.panel .tag{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--primary-hi);background:var(--primary-soft);border:1px solid rgba(20,184,166,.3);border-radius:999px;padding:5px 14px;margin-bottom:18px}
.panel h3{font-size:21px;margin-bottom:12px}
.panel p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.panel ul{list-style:none}
.panel ul li{padding:7px 0 7px 26px;position:relative;color:var(--muted);font-size:14px}
.panel ul li b{color:var(--txt);font-weight:600}
.panel ul li::before{content:"→";position:absolute;left:0;color:var(--primary-hi)}

/* ---- process steps ---- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;counter-reset:step}
.step{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:26px 22px;position:relative}
.step::before{counter-increment:step;content:"0" counter(step);font-size:13px;font-weight:800;color:var(--primary-hi);letter-spacing:1px}
.step h4{font-size:16px;margin:10px 0 8px}
.step p{color:var(--muted);font-size:13.5px}

/* ---- frameworks strip ---- */
.frameworks{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.fw{border:1px solid var(--line);border-radius:10px;padding:12px 22px;color:var(--muted);font-size:13.5px;font-weight:600;background:var(--card2)}
.fw:hover{border-color:var(--primary);color:var(--txt)}

/* ---- FAQ ---- */
.faq{max-width:840px;margin:0 auto}
.faq details{border:1px solid var(--line-soft);border-radius:12px;background:var(--card);margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:600;font-size:15.5px;list-style:none;position:relative;padding-right:48px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--primary-hi);font-size:20px;font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq .a{padding:0 22px 20px;color:var(--muted);font-size:14.5px}
.faq .a a{font-weight:600}

/* ---- trust cards ---- */
.trust-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.trust-links a.tcard{display:block;background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:24px;color:var(--txt);transition:border-color .2s,transform .2s}
.trust-links a.tcard:hover{border-color:var(--primary);transform:translateY(-3px)}
.trust-links .tcard h4{font-size:16px;margin-bottom:6px}
.trust-links .tcard p{color:var(--muted);font-size:13.5px}
.trust-links .tcard .go{color:var(--primary-hi);font-size:13px;font-weight:600;display:inline-block;margin-top:12px}

/* ---- about values ---- */
.values{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}

/* ---- contact ---- */
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;max-width:860px;margin:0 auto}
.ccard{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:30px;text-align:center}
.ccard h4{font-size:16px;margin-bottom:8px}
.ccard p{color:var(--muted);font-size:13.5px;margin-bottom:16px}

/* ---- footer ---- */
footer.site{border-top:1px solid var(--line-soft);padding:56px 0 36px;background:var(--card2);color:var(--muted);font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.foot-grid h5{color:var(--txt);font-size:13.5px;font-weight:700;margin-bottom:14px;letter-spacing:.5px}
.foot-grid ul{list-style:none}
.foot-grid li{margin-bottom:9px}
.foot-grid a{color:var(--muted);font-size:13.5px}
.foot-grid a:hover{color:var(--primary-hi)}
.foot-brand p{margin-top:12px;font-size:13px;max-width:300px}
.foot-note{border-top:1px solid var(--line-soft);padding-top:22px;font-size:12.5px;color:var(--muted2);line-height:1.7}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:18px;align-items:center}

/* ---- legal / doc pages ---- */
.doc-hero{padding:72px 0 40px;text-align:center;background:radial-gradient(ellipse 60% 60% at 50% -20%,rgba(20,184,166,.14),transparent)}
.doc-hero h1{font-size:38px;font-weight:800;letter-spacing:-.5px}
.doc-hero .meta{color:var(--muted);margin-top:14px;font-size:14.5px}
.doc{max-width:860px;margin:0 auto;padding:24px 24px 96px}
.doc h2{font-size:24px;font-weight:700;margin:44px 0 14px;padding-top:8px;letter-spacing:-.3px}
.doc h3{font-size:18px;font-weight:700;margin:28px 0 10px;color:var(--txt)}
.doc p{color:var(--muted);margin-bottom:14px;font-size:15px}
.doc ul,.doc ol{color:var(--muted);margin:0 0 16px 22px;font-size:15px}
.doc li{margin-bottom:7px}
.doc strong,.doc b{color:var(--txt)}
.doc .toc{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px 26px;margin:20px 0 8px}
.doc .toc h4{font-size:14px;letter-spacing:1px;text-transform:uppercase;color:var(--primary-hi);margin-bottom:12px}
.doc .toc ol{margin:0 0 0 20px;font-size:14px}
.doc .toc li{margin-bottom:5px}
.doc .callout{background:var(--primary-soft);border:1px solid rgba(20,184,166,.3);border-radius:12px;padding:18px 22px;color:var(--txt);font-size:14.5px;margin:20px 0}
.crumbs{padding:20px 0 0;font-size:13.5px;color:var(--muted2)}
.crumbs a{color:var(--muted)}

/* ---- responsive ---- */
@media(max-width:960px){
  .foot-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .duo,.grid-2{grid-template-columns:1fr}
}
@media(max-width:760px){
  .hero h1{font-size:36px}
  .sec-title{font-size:28px}
  .nav-links>a.hide-m{display:none}
  section{padding:64px 0}
}