/* TV4U SaaS — shared design system */
:root{
  --g:#1D9E75; --g2:#25c48f; --gsoft:rgba(29,158,117,.12);
  --bg:#0a0d10; --bg2:#0f1418; --card:#141a20; --line:#222b33;
  --tx:#e9f0f4; --mut:#8b98a4; --mut2:#5f6b76;
  --r:14px; --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--tx);line-height:1.55;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.tac{text-align:center}
/* ---------- header ---------- */
header{position:sticky;top:0;z-index:60;background:rgba(10,13,16,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;gap:20px;height:64px}
.logo{font-weight:800;font-size:20px;letter-spacing:.5px;flex-shrink:0}
.logo b{color:var(--g)}
.navlinks{display:flex;gap:22px;margin-left:auto;align-items:center}
.navlinks a{color:var(--mut);font-size:14px;font-weight:500;transition:color .15s}
.navlinks a:hover,.navlinks a.active{color:var(--tx)}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang button{background:transparent;color:var(--mut);border:0;padding:6px 10px;font-size:12px;font-weight:700;cursor:pointer}
.lang button.on{background:var(--g);color:#fff}
.burger{display:none;background:transparent;border:0;color:var(--tx);font-size:24px;cursor:pointer;margin-left:auto}
@media(max-width:860px){
  .navlinks{position:fixed;top:64px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--bg2);border-bottom:1px solid var(--line);padding:8px 20px 18px;margin:0;display:none}
  .navlinks.open{display:flex}
  .navlinks a{padding:12px 0;width:100%;border-bottom:1px solid var(--line);font-size:15px}
  .navlinks .lang,.navlinks .btn{margin-top:12px}
  .burger{display:block}
}
/* ---------- buttons ---------- */
.btn{display:inline-block;background:var(--g);color:#fff;font-weight:700;padding:11px 20px;border-radius:10px;font-size:14px;cursor:pointer;border:0;transition:background .15s,transform .1s;white-space:nowrap}
.btn:hover{background:var(--g2)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--tx)}
.btn.ghost:hover{border-color:var(--g);color:var(--g)}
.btn.lg{padding:14px 28px;font-size:15px}
/* ---------- hero / sections ---------- */
.hero{padding:84px 0 66px;text-align:center;background:radial-gradient(900px 420px at 50% -12%,rgba(29,158,117,.18),transparent 70%)}
.pill{display:inline-block;border:1px solid var(--line);background:var(--bg2);color:var(--g);font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;margin-bottom:22px;letter-spacing:.4px}
h1{font-size:52px;line-height:1.07;font-weight:850;letter-spacing:-1px}
h1 span,.grad{background:linear-gradient(90deg,var(--g),var(--g2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sub{color:var(--mut);font-size:18px;max-width:600px;margin:20px auto 30px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
section{padding:72px 0}
section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{color:var(--g);font-weight:700;font-size:13px;letter-spacing:1px;text-transform:uppercase;text-align:center}
h2{font-size:34px;font-weight:800;letter-spacing:-.5px;margin:10px 0 8px}
.lead{color:var(--mut);max-width:640px;margin:0 auto 44px;font-size:16px}
h3{font-size:17px;font-weight:700}
@media(max-width:640px){h1{font-size:34px}.sub{font-size:16px}h2{font-size:26px}.hero{padding:60px 0 48px}section{padding:54px 0}}
/* ---------- grid / cards ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid.two{grid-template-columns:1fr 1fr}
@media(max-width:860px){.grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid,.grid.two{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--g);transform:translateY(-3px)}
.ic{width:44px;height:44px;border-radius:10px;background:var(--gsoft);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.card p{color:var(--mut);font-size:14px;margin-top:6px}
/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:st}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;position:relative}
.step:before{counter-increment:st;content:counter(st);position:absolute;top:-14px;left:22px;width:32px;height:32px;background:var(--g);color:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800}
.step h3{margin:10px 0 6px}
.step p{color:var(--mut);font-size:14px}
/* ---------- note / callout ---------- */
.note{background:linear-gradient(135deg,var(--gsoft),transparent);border:1px solid var(--line);border-radius:16px;padding:34px;text-align:center}
.note p{color:var(--mut);max-width:660px;margin:10px auto 0;font-size:16px}
/* ---------- pricing ---------- */
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch}
@media(max-width:760px){.price{grid-template-columns:1fr}}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column}
.plan.feat{border-color:var(--g);box-shadow:0 0 0 1px var(--g)}
.plan .nm{font-weight:700;font-size:15px;color:var(--mut)}
.plan .amt{font-size:38px;font-weight:850;margin:8px 0}
.plan .amt small{font-size:14px;color:var(--mut);font-weight:600}
.plan ul{list-style:none;margin:16px 0;flex:1}
.plan li{padding:7px 0;color:var(--mut);font-size:14px;border-top:1px solid var(--line)}
.plan li:before{content:"✓";color:var(--g);font-weight:800;margin-right:8px}
/* ---------- docs ---------- */
.doclist{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.doclist{grid-template-columns:1fr}}
.doc{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px}
.doc:hover{border-color:var(--g)}
.doc small{color:var(--mut2)}
.soon{display:inline-block;font-size:11px;color:var(--g);border:1px solid var(--line);border-radius:6px;padding:2px 7px;margin-left:8px}
/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:40px 0 30px;color:var(--mut);font-size:13px;margin-top:20px}
.fcols{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}
.fcol h4{font-size:12px;text-transform:uppercase;letter-spacing:.8px;color:var(--mut2);margin-bottom:12px;font-weight:700}
.fcol a{display:block;color:var(--mut);padding:5px 0}
.fcol a:hover{color:var(--g)}
.fbottom{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--mut2)}
/* utils */
.mtiny{color:var(--mut2);font-size:12px}
.center-narrow{max-width:720px;margin:0 auto}

/* ================= POLISH v2 ================= */
/* scroll reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.06s}.reveal.d2{transition-delay:.12s}.reveal.d3{transition-delay:.18s}
.reveal.d4{transition-delay:.24s}.reveal.d5{transition-delay:.3s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
/* icon chip color pop on hover */
.card:hover .ic{background:var(--g);transform:scale(1.05)}
.ic{transition:background .18s,transform .18s}
.card:hover .ic{color:#fff}
/* hero glow blobs */
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;z-index:0;pointer-events:none}
.hero{position:relative;overflow:hidden}
.hero .wrap{position:relative;z-index:1}
/* ---- device mockups ---- */
.devices{position:relative;max-width:900px;margin:44px auto 0;display:flex;align-items:flex-end;justify-content:center;gap:0}
.dev-shot{background:linear-gradient(160deg,#0e2a22,#0b1a16);border:1px solid var(--line);overflow:hidden;position:relative}
.mini-ui{padding:10px;display:flex;flex-direction:column;gap:6px;height:100%}
.mini-bar{height:8px;border-radius:4px;background:var(--gsoft)}
.mini-bar.g{background:linear-gradient(90deg,var(--g),var(--g2));width:38%}
.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin-top:2px;flex:1}
.mini-cell{background:#122019;border:1px solid #1c2c25;border-radius:5px}
.mini-cell.on{background:var(--gsoft);border-color:var(--g)}
/* laptop */
.laptop{width:520px;max-width:64vw;z-index:2}
.laptop .screen{border-radius:12px 12px 0 0;border:2px solid #1c2830;border-bottom:0;height:300px;background:#0b1216;overflow:hidden}
.laptop .base{height:14px;background:linear-gradient(#1a232b,#0e151a);border-radius:0 0 12px 12px;border:2px solid #1c2830;position:relative}
.laptop .base:after{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:80px;height:5px;background:#0a0f13;border-radius:0 0 6px 6px}
/* phone */
.phone{width:132px;z-index:3;margin-left:-46px;margin-bottom:8px}
.phone .screen{border-radius:18px;border:3px solid #1c2830;height:262px;background:#0b1216;overflow:hidden}
.phone .mini-grid{grid-template-columns:repeat(2,1fr)}
@media(max-width:640px){.devices{transform:scale(.86)}.laptop .screen{height:220px}.phone .screen{height:190px}}
/* ---- accordion / FAQ ---- */
.faq{max-width:760px;margin:0 auto}
.qa{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden;background:var(--card)}
.qa>button{width:100%;text-align:left;background:transparent;border:0;color:var(--tx);font-size:15px;font-weight:600;padding:16px 18px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:10px}
.qa>button .plus{color:var(--g);font-size:20px;transition:transform .2s;flex-shrink:0}
.qa.open>button .plus{transform:rotate(45deg)}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .28s ease}
.qa .ans p{color:var(--mut);font-size:14px;padding:0 18px 16px}
.qa.open .ans{max-height:240px}
/* ---- testimonials ---- */
.quote{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.quote p{color:var(--tx);font-size:15px}
.quote .by{display:flex;align-items:center;gap:12px;margin-top:16px}
.quote .av{width:40px;height:40px;border-radius:50%;background:var(--gsoft);color:var(--g);display:flex;align-items:center;justify-content:center;font-weight:800}
.quote .by b{display:block;font-size:14px}
.quote .by span{color:var(--mut2);font-size:12px}
.stars{color:var(--g);font-size:13px;letter-spacing:2px}
/* ---- roadmap ---- */
.road{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.road{grid-template-columns:1fr}}
.rcol{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.rcol h4{font-size:13px;text-transform:uppercase;letter-spacing:.8px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.rcol.now h4{color:var(--g)} .rcol.soon h4{color:#d9a441} .rcol.future h4{color:var(--mut)}
.rcol li{list-style:none;color:var(--mut);font-size:14px;padding:8px 0;border-top:1px solid var(--line);display:flex;gap:8px}
.rcol li:before{content:"•";color:var(--g)}
.rdot{width:9px;height:9px;border-radius:50%;display:inline-block}
.now .rdot{background:var(--g)}.soon .rdot{background:#d9a441}.future .rdot{background:var(--mut2)}
/* ---- how-it-works arrows ---- */
.flow{display:flex;align-items:stretch;justify-content:center;gap:0;flex-wrap:wrap}
.flow .step{flex:1;min-width:200px}
.flow .arrow{display:flex;align-items:center;color:var(--g);font-size:26px;padding:0 8px}
@media(max-width:760px){.flow .arrow{transform:rotate(90deg);padding:8px 0;width:100%;justify-content:center}}
/* contact form */
.form{max-width:560px;margin:0 auto;display:grid;gap:12px}
.form input,.form textarea,.form select{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:12px 14px;color:var(--tx);font-size:14px;font-family:inherit}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--g)}
.form textarea{min-height:120px;resize:vertical}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.form .row2{grid-template-columns:1fr}}
/* api page */
.code{background:#0c1216;border:1px solid var(--line);border-radius:10px;padding:16px;overflow-x:auto;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;color:#cfe9df;line-height:1.7}
.code .m{color:var(--g);font-weight:700}
.endpoint{display:flex;gap:10px;align-items:center;padding:12px 0;border-top:1px solid var(--line)}
.endpoint .verb{font-family:ui-monospace,monospace;font-size:12px;font-weight:700;color:var(--g);background:var(--gsoft);padding:3px 8px;border-radius:6px}
.endpoint code{color:var(--tx);font-family:ui-monospace,monospace;font-size:13px}