/* ===================== BABEL.ai ===================== */
:root{
  --bg:#080a10; --bg2:#0c0f17; --panel:#11141d; --panel2:#151926;
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.14);
  --txt:#eef1f7; --mut:#9aa3b6; --mut2:#6f7891;
  --v1:#8b7bff; --v2:#5a6bff; --t1:#38d6c8; --t2:#3ad19a;
  --grad:linear-gradient(120deg,#8b7bff 0%,#5a6bff 45%,#38d6c8 100%);
  --radius:18px; --maxw:1160px;
  --shadow:0 24px 70px -30px rgba(0,0,0,.8);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  line-height:1.55; -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(900px 500px at 80% -10%,rgba(90,107,255,.14),transparent 60%),
                   radial-gradient(700px 500px at 0% 10%,rgba(56,214,200,.08),transparent 55%);
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{margin:0;letter-spacing:-.02em;font-weight:700}
section{position:relative}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;border-radius:999px;padding:.72em 1.25em;font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:.18s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#0a0a12;box-shadow:0 10px 30px -10px rgba(90,107,255,.6)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn-outline{border-color:var(--line2);color:var(--txt)}
.btn-outline:hover{border-color:var(--v1);background:rgba(139,123,255,.08)}
.btn-ghost{border-color:var(--line2);padding:.5em 1em;font-size:.9rem}
.btn-ghost:hover{background:rgba(255,255,255,.06)}
.btn-mini{background:var(--panel2);border:1px solid var(--line);color:var(--mut);padding:.5em .9em;font-size:.85rem}
.btn-mini:hover{color:var(--txt);border-color:var(--line2)}

/* nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(8,10,16,.72);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:.55em;font-weight:800}
.brand-mark{display:grid;place-items:center}
.brand-name{font-size:1.15rem;letter-spacing:-.01em}
.brand-name .dot{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:1.5rem}
.nav-links a{color:var(--mut);font-size:.95rem}
.nav-links a:hover{color:var(--txt)}
.nav-links .btn{color:var(--txt)}
.lang-toggle{background:transparent;border:1px solid var(--line2);color:var(--mut);border-radius:999px;padding:.35em .8em;font-size:.85rem;font-weight:600;cursor:pointer;transition:.18s}
.lang-toggle:hover{color:var(--txt);border-color:var(--v1);background:rgba(139,123,255,.08)}

/* hero */
.hero{padding:92px 0 70px;overflow:hidden}
.hero-glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(600px 300px at 70% 20%,rgba(139,123,255,.18),transparent 70%)}
.hero-inner{position:relative;z-index:1}
.pill{display:inline-flex;align-items:center;gap:.5em;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--mut);padding:.4em .9em;border-radius:999px;font-size:.85rem;font-weight:500}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--t1);box-shadow:0 0 0 0 rgba(56,214,200,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(56,214,200,.55)}70%{box-shadow:0 0 0 9px rgba(56,214,200,0)}100%{box-shadow:0 0 0 0 rgba(56,214,200,0)}}
.hero h1{font-size:clamp(2.5rem,6vw,4.4rem);line-height:1.04;margin:.5em 0 .35em}
.lede{font-size:clamp(1.05rem,1.7vw,1.28rem);color:var(--mut);max-width:640px}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap;margin:2rem 0 1.6rem}
.hero-langs{display:flex;flex-wrap:wrap;gap:.5rem .7rem;color:var(--mut2);font-size:.9rem}
.hero-langs span{padding:.2em .7em;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.02)}

/* section heads */
.section-head{text-align:center;max-width:640px;margin:0 auto 42px}
.section-head.left{text-align:left;margin-left:0}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
.section-head p{color:var(--mut);margin:.7em 0 0;font-size:1.05rem}

/* demo */
.demo{padding:40px 0 70px}
.demo-card{max-width:760px;margin:0 auto;background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line2);border-radius:26px;padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.demo-card::before{content:"";position:absolute;inset:0;border-radius:26px;padding:1px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.35;pointer-events:none}
.demo-top{display:flex;align-items:center;gap:12px;justify-content:space-between;flex-wrap:wrap}
.lang-chip{display:inline-flex;align-items:center;gap:.5em;background:var(--panel2);border:1px solid var(--line);border-radius:999px;padding:.45em .9em;font-size:.9rem;font-weight:600}
.lang-chip .globe{filter:saturate(1.2)}
.demo-mode{font-size:.78rem;color:#ffcf7a;background:rgba(255,180,80,.1);border:1px solid rgba(255,180,80,.3);padding:.35em .8em;border-radius:999px}
.conn{display:inline-flex;align-items:center;gap:.5em;color:var(--mut2);font-size:.82rem}
.conn-dot{width:8px;height:8px;border-radius:50%;background:var(--mut2);transition:.2s}
.conn-dot.on{background:var(--t2);box-shadow:0 0 8px var(--t2)}
.conn-dot.err{background:#ff6b6b;box-shadow:0 0 8px #ff6b6b}

.mic-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;padding:30px 0 22px}
.mic{position:relative;width:92px;height:92px;border-radius:50%;border:none;cursor:pointer;color:#0a0a12;background:var(--grad);display:grid;place-items:center;transition:.2s;box-shadow:0 14px 40px -12px rgba(90,107,255,.7)}
.mic:hover{transform:translateY(-2px)}
.mic .mic-ico{transition:.2s}
.mic .mic-stop{display:none;width:22px;height:22px;border-radius:5px;background:#0a0a12}
.mic.rec{background:#ff5a6b;box-shadow:0 0 0 0 rgba(255,90,107,.6);animation:recpulse 1.6s infinite}
.mic.rec .mic-ico{display:none}
.mic.rec .mic-stop{display:block}
@keyframes recpulse{0%{box-shadow:0 0 0 0 rgba(255,90,107,.5)}70%{box-shadow:0 0 0 18px rgba(255,90,107,0)}100%{box-shadow:0 0 0 0 rgba(255,90,107,0)}}
.bars{display:flex;align-items:flex-end;gap:4px;height:34px;opacity:.35;transition:.3s}
.bars.live{opacity:1}
.bars span{width:4px;height:6px;background:var(--grad);border-radius:3px;transition:height .08s linear}
.mic-hint{color:var(--mut);font-size:.95rem;min-height:1.2em}
.upload-row{display:flex;align-items:center;gap:.6em;color:var(--mut2);font-size:.9rem;margin-top:2px}
.upload-btn{background:transparent;border:1px dashed var(--line2);color:var(--mut);border-radius:999px;padding:.45em 1em;font-size:.88rem;cursor:pointer;transition:.18s}
.upload-btn:hover{color:var(--txt);border-color:var(--v1);border-style:solid;background:rgba(139,123,255,.06)}
.upload-btn:disabled{opacity:.5;cursor:not-allowed}

.transcript{min-height:120px;background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:18px 20px;font-size:1.12rem;line-height:1.7;white-space:pre-wrap;word-break:break-word}
.transcript .ghost{color:var(--mut2)}
.transcript .final{color:var(--txt)}
.transcript .partial{color:var(--mut)}
.transcript .caret{display:inline-block;width:2px;height:1.1em;background:var(--t1);vertical-align:-2px;margin-left:2px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}

.demo-controls{display:flex;align-items:center;gap:12px;margin-top:16px;flex-wrap:wrap}
.ctl{display:inline-flex;align-items:center;gap:.6em;color:var(--mut);font-size:.9rem}
.ctl select{background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:10px;padding:.5em .7em;font-size:.9rem}
.spacer{flex:1}
.privacy{color:var(--mut2);font-size:.82rem;margin:16px 0 0;text-align:center}

/* features */
.features{padding:70px 0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.2s}
.feat:hover{border-color:var(--line2);transform:translateY(-3px);background:var(--panel2)}
.feat-ico{font-size:1.7rem;margin-bottom:10px}
.feat h3{font-size:1.15rem;margin-bottom:.4em}
.feat p{color:var(--mut);margin:0;font-size:.96rem}

/* benchmarks */
.bench{padding:60px 0}
.bench-table-wrap{max-width:760px;margin:0 auto;overflow-x:auto}
.bench-table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.bench-table th,.bench-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
.bench-table thead th{background:var(--panel2);color:var(--mut);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}
.bench-table tbody tr:last-child td{border-bottom:none;font-weight:700}
.bench-table .best{color:var(--t1);font-weight:700}
.bench-note{color:var(--mut2);font-size:.85rem;text-align:center;margin-top:16px}

/* uses */
.uses{padding:60px 0}
.uses-grid .use{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.uses-grid .use h4{font-size:1.05rem;margin-bottom:.4em}
.uses-grid .use p{color:var(--mut);margin:0;font-size:.93rem}

/* solutions — two business lines */
.offer{padding:64px 0}
.offer-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.offer-card{background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line2);border-radius:22px;padding:30px;transition:.2s}
.offer-card:hover{transform:translateY(-3px);border-color:var(--v1)}
.offer-ico{font-size:2rem;margin-bottom:12px}
.offer-card h3{font-size:1.4rem;margin-bottom:.5em}
.offer-card>p{color:var(--mut);margin:0 0 18px;font-size:1rem}
.offer-list{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-direction:column;gap:10px}
.offer-list li{color:var(--txt);padding-left:1.7em;position:relative;font-size:.95rem}
.offer-list li::before{content:"✓";position:absolute;left:0;color:var(--t1);font-weight:700}
@media(max-width:820px){.offer-grid{grid-template-columns:1fr}}
.offer-single{max-width:760px;margin:0 auto}
.offer-single .offer-card>p{margin-top:4px}

/* data samples page */
.samples{padding:56px 0 90px;min-height:64vh}
.samples-back{display:inline-block;color:var(--mut);margin-bottom:22px;font-size:.95rem}
.samples-back:hover{color:var(--txt)}
.sample-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:28px 0 30px}
.sample-empty{grid-column:1/-1;text-align:center;color:var(--mut2);border:1px dashed var(--line2);border-radius:var(--radius);padding:60px 20px;font-size:1.02rem}

/* data business intro (two blocks) */
.data-blocks{display:grid;grid-template-columns:1fr;gap:22px;margin:18px auto 0;max-width:760px}
.data-block{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.data-block h3{font-size:1.2rem;margin-bottom:.6em}
.data-block>p{color:var(--mut);margin:0 0 16px;font-size:.98rem}
.data-block .sample-empty{padding:36px 16px;margin-bottom:18px}
@media(max-width:820px){.data-blocks{grid-template-columns:1fr}}

/* contact section */
.contact-sec{padding:72px 0 92px}
.contact-inner{text-align:center;max-width:620px;margin:0 auto}
.contact-inner h2{font-size:clamp(1.7rem,3.2vw,2.4rem)}
.contact-inner p{color:var(--mut);margin:.7em 0 1.6em}

/* contact modal */
.modal-overlay{position:fixed;inset:0;background:rgba(4,6,10,.66);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-overlay[hidden]{display:none}
.modal{position:relative;width:100%;max-width:480px;background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line2);border-radius:20px;padding:28px;box-shadow:var(--shadow);max-height:90vh;overflow-y:auto}
.modal h3{font-size:1.35rem}
.modal-sub{color:var(--mut);margin:.5em 0 18px;font-size:.93rem}
.modal-close{position:absolute;top:12px;right:16px;background:transparent;border:none;color:var(--mut);font-size:1.7rem;line-height:1;cursor:pointer;transition:.15s}
.modal-close:hover{color:var(--txt)}
.field{margin-bottom:13px;display:flex;flex-direction:column;gap:6px}
.field>label{font-size:.84rem;color:var(--mut)}
.field input,.field textarea{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:.62em .8em;color:var(--txt);font-size:.95rem;font-family:inherit;transition:.15s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--v1);background:var(--bg2)}
.field textarea{resize:vertical}
.radio-row{display:flex;gap:18px;flex-wrap:wrap}
.radio{display:flex;align-items:center;gap:.4em;color:var(--txt);font-size:.92rem;cursor:pointer}
.radio input{accent-color:var(--v1)}
.modal-actions{display:flex;align-items:center;gap:12px;margin-top:8px}
.form-status{font-size:.86rem;color:var(--mut)}
.form-status.ok{color:var(--t2)}
.form-status.err{color:#ff6b6b}

/* data business */
.data{padding:70px 0;position:relative}
.data::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 340px at 20% 30%,rgba(56,214,200,.08),transparent 60%);pointer-events:none}
.tag{display:inline-block;background:rgba(56,214,200,.12);border:1px solid rgba(56,214,200,.3);color:var(--t1);font-size:.78rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;padding:.35em .9em;border-radius:999px;margin-bottom:16px}
.data-grid{margin-bottom:34px}
.data-cta{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;text-align:center}
.data-note{color:var(--mut2);font-size:.9rem}

/* api */
.api{padding:70px 0}
.api-inner{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center}
.api-points{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-direction:column;gap:12px}
.api-points li{color:var(--mut);padding-left:1.7em;position:relative}
.api-points li::before{content:"→";position:absolute;left:0;color:var(--t1);font-weight:700}
.code-card{background:#0a0c14;border:1px solid var(--line2);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.code-head{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.code-head span{width:11px;height:11px;border-radius:50%}
.dotr{background:#ff5f57}.doty{background:#febc2e}.dotg{background:#28c840}
.code-file{width:auto!important;height:auto!important;border-radius:0!important;margin-left:auto;color:var(--mut2);font-size:.82rem;font-family:ui-monospace,monospace}
.code{margin:0;padding:20px;overflow-x:auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86rem;line-height:1.7;color:#cdd3e0}
.c-k{color:#c792ea}.c-s{color:#c3e88d}.c-fn{color:#82aaff}.c-c{color:#546178;font-style:italic}

/* cta */
.cta{padding:70px 0}
.cta-inner{text-align:center;background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line2);border-radius:26px;padding:56px 24px;box-shadow:var(--shadow)}
.cta-inner h2{font-size:clamp(1.7rem,3.2vw,2.4rem)}
.cta-inner p{color:var(--mut);margin:.7em 0 0}
.cta-inner .hero-cta{justify-content:center}

/* footer */
.footer{border-top:1px solid var(--line);padding:48px 0 30px;background:var(--bg2)}
.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:30px}
.footer-brand p{color:var(--mut2);margin:.6em 0 0;font-size:.92rem}
.footer-cols{display:flex;gap:60px}
.footer-cols h5{color:var(--mut);font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}
.footer-cols a{display:block;color:var(--mut2);font-size:.92rem;margin-bottom:8px}
.footer-cols a:hover{color:var(--txt)}
.footer-legal{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--mut2);font-size:.82rem;padding-top:22px;border-top:1px solid var(--line)}

/* responsive */
@media(max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .api-inner{grid-template-columns:1fr}
  .nav-links a:not(.btn){display:none}
}
@media(max-width:560px){
  .grid,.uses-grid .use{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .hero{padding:60px 0 50px}
  .demo-card{padding:18px}
  .footer-cols{gap:34px}
}