/* ODY Tracker — tracker.ody.vn
   Palette & type từ Claude Design. Responsive hoá từ mockup 1440px. */
:root{
  --navy:#0A2E58; --blue:#0B4DA2; --blue-deep:#093C81; --red:#D6122E;
  --green:#12A05C; --amber:#B8770F;
  --bg:#EEF1F6; --surface:#fff; --border:#E7EBF1; --border2:#E2E7EF;
  --ink:#0A2E58; --muted:#48566A; --muted2:#5A6779; --muted3:#7A8798; --muted4:#9AA5B4;
  --tint-blue:#E9F0F9; --tint-green:#E9F5EE; --tint-red:#FDECEE; --tint-amber:#FFF6E8;
  --radius:20px; --shadow:0 8px 22px rgba(10,46,88,.10);
  --display:'Baloo 2',system-ui,sans-serif; --body:'Be Vietnam Pro',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--surface);color:var(--muted);
  font-family:var(--body);-webkit-font-smoothing:antialiased;line-height:1.6}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--red)}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--display);color:var(--ink);line-height:1.16;margin:0;text-wrap:balance}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.eyebrow{font:700 12.5px var(--body);letter-spacing:.09em;text-transform:uppercase;color:var(--blue)}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:24px;padding:14px 24px;max-width:1200px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand img{height:34px;width:auto}
.brand b{font:700 19px var(--display);color:var(--navy)}
.nav-links{flex:1;display:flex;align-items:center;gap:26px}
.nav-links a{font:500 14.5px var(--body);color:var(--muted)}
.nav-links a.active,.nav-links a:hover{color:var(--blue)}
.nav-cta{display:flex;align-items:center;gap:10px;flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font:700 14px var(--body);padding:11px 18px;cursor:pointer;border:0;
  transition:transform .12s ease, box-shadow .12s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(11,77,162,.24)}
.btn-primary:hover{color:#fff}
.btn-ghost{background:var(--bg);color:var(--navy)}
.btn-ghost:hover{color:var(--navy)}
.btn-lg{padding:15px 26px;font-size:16px;border-radius:14px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle svg{display:block}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--bg);overflow:hidden}
.hero .ring{position:absolute;border-radius:999px;pointer-events:none}
.hero .ring-1{right:-140px;top:-160px;width:620px;height:620px;border:80px solid rgba(11,77,162,.06)}
.hero .ring-2{left:-120px;bottom:-220px;width:420px;height:420px;border:60px solid rgba(214,18,46,.05)}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr 420px;gap:56px;align-items:center;
  padding:72px 24px 84px;max-width:1200px;margin:0 auto}
.badge{display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border-radius:999px;
  background:#fff;box-shadow:0 2px 10px rgba(10,46,88,.07);font:600 12.5px var(--body);color:var(--navy)}
.dot{width:8px;height:8px;border-radius:99px;background:var(--green)}
.hero h1{margin-top:20px;font-size:52px;font-weight:800;letter-spacing:-.01em}
.hero .lead{margin-top:18px;max-width:560px;font-size:17px;color:var(--muted);text-wrap:pretty}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-note{display:flex;align-items:center;gap:10px;margin-top:24px;font:500 14px var(--body);color:var(--muted2)}
.hero-note .g{width:26px;height:26px;border-radius:99px;background:#fff;display:flex;align-items:center;
  justify-content:center;box-shadow:0 2px 6px rgba(10,46,88,.1);flex:none}

/* ---------- Phone mockup ---------- */
.phone{width:300px;height:610px;border-radius:44px;background:var(--navy);padding:11px;
  box-shadow:0 34px 70px rgba(10,46,88,.28);justify-self:center}
.phone .screen,.phone-sm .screen{position:relative;width:100%;height:100%;background:#E9EFE7;overflow:hidden}
.phone .screen{border-radius:34px}
.map-grid{position:absolute;inset:0;background:
  linear-gradient(90deg,transparent 0 16%,#fff 16% 19%,transparent 19%),
  linear-gradient(90deg,transparent 0 54%,#fff 54% 58%,transparent 58%),
  linear-gradient(0deg,transparent 0 26%,#fff 26% 29%,transparent 29%),
  linear-gradient(0deg,transparent 0 63%,#fff 63% 66%,transparent 66%),#E9EFE7}
.map-blk{position:absolute;border-radius:8px}
.pin{position:absolute;left:46%;top:36%;transform:translate(-50%,-50%);width:40px;height:40px}
.pin .halo{position:absolute;inset:0;border-radius:99px;background:var(--blue);opacity:.45;
  animation:pulse 2.4s ease-out infinite}
.pin .core{position:absolute;inset:0;border-radius:99px;border:3px solid #fff;background:var(--blue);
  box-shadow:0 6px 14px rgba(0,0,0,.26);display:flex;align-items:center;justify-content:center;
  font:700 13px var(--display);color:#fff}
@keyframes pulse{0%{transform:scale(1);opacity:.5}70%{transform:scale(2.3);opacity:0}100%{transform:scale(2.3);opacity:0}}
.statusbar{position:absolute;left:0;right:0;top:0;height:38px;background:var(--navy);display:flex;
  align-items:center;justify-content:space-between;padding:0 18px;color:#fff;font:600 11px var(--body)}
.chip-top{position:absolute;left:12px;right:12px;top:48px;padding:11px 13px;border-radius:16px;
  background:rgba(255,255,255,.96);display:flex;align-items:center;gap:10px;box-shadow:0 6px 16px rgba(10,46,88,.14)}
.chip-top .av{width:34px;height:34px;border-radius:11px;background:var(--tint-blue);display:flex;
  align-items:center;justify-content:center;font:700 12px var(--display);color:var(--blue);flex:none}
.card-bottom{position:absolute;left:12px;right:12px;bottom:12px;padding:14px;border-radius:20px;background:#fff;
  box-shadow:0 -6px 20px rgba(10,46,88,.12)}
.mini-actions{display:flex;gap:7px;margin-top:11px}
.mini-actions span{flex:1;text-align:center;padding:9px 0;border-radius:11px;font:700 11.5px var(--body)}

/* ---------- Sections ---------- */
section{scroll-margin-top:80px}
.section{padding:84px 0 0}
.section-head{text-align:center;max-width:660px;margin:0 auto}
.section-head h2{margin-top:10px;font-size:38px;font-weight:700}
.section-head p{margin-top:12px;font-size:16px;color:var(--muted2);text-wrap:pretty}

/* feature grid */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.ico{width:48px;height:48px;border-radius:15px;display:flex;align-items:center;justify-content:center}
.ico-blue{background:var(--tint-blue);color:var(--blue)}
.ico-green{background:var(--tint-green);color:var(--green)}
.ico-red{background:var(--tint-red);color:var(--red)}
.card h3{margin-top:16px;font-size:18px;font-weight:700}
.card p{margin-top:7px;font-size:14.5px;color:var(--muted2);text-wrap:pretty}
.feature-grid{margin-top:44px}

/* how it works (dark) */
.how{margin-top:84px;background:var(--navy);position:relative;overflow:hidden}
.how .ring-1{position:absolute;left:-90px;top:-90px;width:340px;height:340px;border-radius:999px;border:52px solid rgba(255,255,255,.04)}
.how .ring-2{position:absolute;right:-70px;bottom:-120px;width:300px;height:300px;border-radius:999px;border:44px solid rgba(214,18,46,.12)}
.how-inner{position:relative;padding:76px 24px;max-width:1200px;margin:0 auto}
.how .eyebrow{color:#7FB2E8}
.how h2{color:#fff}
.step{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:26px}
.step .num{width:42px;height:42px;border-radius:13px;background:#fff;color:var(--blue);display:flex;
  align-items:center;justify-content:center;font:800 18px var(--display)}
.step h3{margin-top:16px;color:#fff;font-size:19px}
.step p{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.66);text-wrap:pretty}
.step p b{color:#fff}

/* screenshots */
.shots{margin-top:44px}
.shot{display:flex;flex-direction:column;align-items:center;gap:14px}
.phone-sm{width:222px;height:452px;border-radius:32px;background:var(--navy);padding:8px;
  box-shadow:0 20px 44px rgba(10,46,88,.18)}
.phone-sm .screen{border-radius:25px}
.shot-cap{text-align:center}
.shot-cap b{display:block;font:700 15px var(--display);color:var(--ink)}
.shot-cap span{display:block;font:400 13px var(--body);color:var(--muted3);margin-top:2px}
.tabbar{position:absolute;left:0;right:0;bottom:0;height:38px;background:#fff;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-around;font:600 8px var(--body);color:#9AA0A6}
.tabbar .on{color:var(--blue)}

/* download */
.download{padding:0 24px;margin-top:84px}
.download-inner{max-width:1200px;margin:0 auto;background:var(--bg);border-radius:28px;padding:48px;
  display:grid;grid-template-columns:1fr auto;gap:48px;align-items:center}
.download h2{font-size:34px;font-weight:700}
.download p{margin-top:12px;max-width:520px;font-size:16px;color:var(--muted2);text-wrap:pretty}
.stores{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.store{display:flex;align-items:center;gap:11px;padding:13px 20px;border-radius:14px;background:var(--navy)}
.store small{display:block;font:400 10px var(--body);color:rgba(255,255,255,.66)}
.store b{display:block;font:700 15px var(--body);color:#fff}
.qr{width:150px;height:150px;border-radius:20px;background:#fff;padding:14px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(7,1fr);gap:3px}
.qr span{background:var(--navy)}

/* support / privacy */
.support{padding:84px 24px 0;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.15fr 1fr;gap:26px;align-items:stretch}
.panel{border:1px solid var(--border);border-radius:22px;padding:32px}
.panel h3{margin-top:16px;font-size:24px}
.panel p{margin-top:10px;font-size:15px;color:var(--muted2);line-height:1.65;text-wrap:pretty}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip-link{padding:11px 16px;border-radius:12px;background:var(--bg);font:600 13.5px var(--body);color:var(--navy)}
.panel-blue{background:var(--blue);color:#fff;border:0}
.panel-blue h3{color:#fff}
.panel-blue p{color:rgba(255,255,255,.72)}
.contact-row{display:flex;align-items:center;gap:12px;padding:13px 15px;border-radius:14px;background:rgba(255,255,255,.12);margin-top:11px}
.contact-row small{display:block;font:400 11px var(--body);color:rgba(255,255,255,.6)}
.contact-row b{display:block;font:700 15px var(--body);color:#fff}

/* ---------- Footer ---------- */
.site-footer{margin-top:84px;background:var(--navy)}
.footer-top{max-width:1200px;margin:0 auto;padding:52px 24px 32px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-top .brand b{color:#fff}
.footer-top .brand img{background:#fff;border-radius:8px;padding:5px 8px;height:34px}
.footer-about{margin-top:14px;max-width:320px;font:400 13.5px var(--body);color:rgba(255,255,255,.6);line-height:1.65}
.footer-col b{font:700 13px var(--body);color:#fff;letter-spacing:.04em}
.footer-col .links{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.footer-col .links a,.footer-col .links span{font:400 13.5px var(--body);color:rgba(255,255,255,.62)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12)}
.footer-bottom .wrap{padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-bottom span{font:400 12.5px var(--body);color:rgba(255,255,255,.45)}

/* ---------- Legal pages ---------- */
.page-hero{background:var(--bg);border-bottom:1px solid var(--border2)}
.page-hero .wrap{padding:52px 24px}
.crumb{font:500 13px var(--body);color:var(--muted3)}
.page-hero h1{margin-top:10px;font-size:42px;font-weight:800}
.page-hero .lead{margin-top:12px;max-width:720px;font-size:16px;color:var(--muted)}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.pill{padding:8px 14px;border-radius:999px;background:#fff;font:600 12.5px var(--body);color:var(--navy)}
.legal{max-width:1200px;margin:0 auto;padding:52px 24px 72px;display:grid;grid-template-columns:250px 1fr;gap:56px;align-items:start}
.toc{position:sticky;top:80px;display:flex;flex-direction:column;gap:3px}
.toc .toc-title{font:700 11.5px var(--body);letter-spacing:.07em;text-transform:uppercase;color:var(--muted4);padding:0 12px 8px}
.toc a{padding:9px 12px;border-radius:10px;font:500 13.5px var(--body);color:var(--muted)}
.toc a:hover{background:var(--bg);color:var(--blue)}
article{max-width:760px}
article section{margin-top:44px}
article section:first-child{margin-top:0}
article h2{font-size:26px;font-weight:700}
article p{margin-top:12px;font-size:15.5px;color:var(--muted);line-height:1.72;text-wrap:pretty}
article p b, article li b{color:var(--ink);font-weight:700}
.def-list{display:flex;flex-direction:column;gap:11px;margin-top:18px}
.def{border:1px solid var(--border);border-radius:16px;padding:16px 18px}
.def b{display:block;font:700 15px var(--body);color:var(--ink)}
.def span{display:block;margin-top:5px;font:400 14.5px var(--body);color:var(--muted2);line-height:1.6}
.checklist{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.checklist .li{display:flex;gap:11px}
.tick{width:20px;height:20px;border-radius:99px;display:flex;align-items:center;justify-content:center;flex:none;margin-top:2px}
.tick-green{background:var(--tint-green);color:var(--green)}
.tick-red{background:var(--tint-red);color:var(--red)}
.checklist .li span{flex:1;font:400 15px var(--body);color:var(--muted);line-height:1.6}
.callout{margin-top:18px;padding:16px 18px;border-radius:16px;display:flex;gap:12px}
.callout span{flex:1;font:500 14.5px var(--body);line-height:1.62;text-wrap:pretty}
.callout-red{background:var(--tint-red)} .callout-red span{color:#8A1220}
.callout-amber{background:var(--tint-amber)} .callout-amber span{color:#8A5B08}
.callout svg{flex:none;margin-top:2px}
.note-box{margin-top:18px;padding:20px;border-radius:18px;background:var(--bg);border-left:4px solid var(--blue)}
.note-box b{font:700 15px var(--body);color:var(--ink)}
.note-box p{margin-top:8px;font-size:14.5px;line-height:1.68}
.spec{margin-top:16px;border:1px solid var(--border);border-radius:16px;overflow:hidden}
.spec-row{padding:14px 18px;display:flex;gap:16px;align-items:baseline}
.spec-row+.spec-row{border-top:1px solid #F1F3F6}
.spec-row .k{width:190px;flex:none;font:600 14.5px var(--body);color:var(--ink)}
.spec-row .v{flex:1;font:400 14.5px var(--body);color:var(--muted2);line-height:1.6}
.contact-card{margin-top:16px;padding:20px;border-radius:18px;background:var(--navy);color:#fff}
.contact-card .name{font:700 17px var(--display);color:#fff}
.contact-card .meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:12px}
.contact-card .meta small{display:block;font:400 11.5px var(--body);color:rgba(255,255,255,.6)}
.contact-card .meta b{display:block;font:600 14.5px var(--body);color:#fff;margin-top:2px}

/* data deletion specifics */
.methods{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.method{border:1px solid var(--border);border-radius:22px;padding:28px;position:relative}
.method.primary{border:2px solid var(--blue)}
.method .tag{position:absolute;top:-12px;left:28px;padding:4px 12px;border-radius:999px;background:var(--blue);color:#fff;font:700 11.5px var(--body)}
.method h2{margin-top:16px;font-size:23px}
.steps-v{display:flex;flex-direction:column;margin-top:18px}
.step-v{display:flex;gap:13px}
.step-v .rail{display:flex;flex-direction:column;align-items:center;width:26px;flex:none}
.step-v .n{width:26px;height:26px;border-radius:99px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font:700 12px var(--display)}
.step-v .line{flex:1;width:2px;background:var(--border2);margin:4px 0}
.step-v .body{flex:1;padding-bottom:16px}
.step-v .body b{font:600 15px var(--body);color:var(--ink)}
.step-v .body div{margin-top:4px;font:400 14px var(--body);color:var(--muted2);line-height:1.55}
.mail-box{margin-top:18px;border-radius:16px;background:#F5F7FA;padding:18px}
.mail-row{display:flex;gap:12px;padding:10px 0}
.mail-row+.mail-row{border-top:1px solid var(--border)}
.mail-row:first-child{padding-top:0}
.mail-row .k{width:64px;flex:none;font:500 13px var(--body);color:var(--muted4)}
.mail-row .v{flex:1;font:600 13.5px var(--body);color:var(--ink)}
.mail-row .v.thin{font-weight:400;color:var(--muted);line-height:1.6}
.del-list{margin-top:16px;border:1px solid var(--border);border-radius:18px;overflow:hidden}
.del-row{padding:13px 18px;display:flex;align-items:center;gap:11px}
.del-row+.del-row{border-top:1px solid #F1F3F6}
.del-row span{flex:1;font:400 14.5px var(--body);color:var(--muted)}
.cta-band{margin-top:32px;padding:26px 28px;border-radius:22px;background:var(--blue);display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band .txt{flex:1;min-width:320px}
.cta-band b{font:700 21px var(--display);color:#fff}
.cta-band p{margin-top:6px;font:400 14.5px var(--body);color:rgba(255,255,255,.72);line-height:1.6;max-width:560px}
.cta-band .acts{display:flex;gap:11px;flex-wrap:wrap}
.cta-band .acts span{padding:13px 20px;border-radius:14px;font:700 14.5px var(--body)}
.cta-band .acts .a1{background:#fff;color:var(--blue)}
.cta-band .acts .a2{background:rgba(255,255,255,.16);color:#fff}
.legal-sep{height:14px;background:var(--bg)}

/* contact page */
.contact-grid{max-width:1200px;margin:0 auto;padding:52px 24px 72px;display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.info-list{display:flex;flex-direction:column;gap:14px}
.info{display:flex;gap:14px;align-items:flex-start;border:1px solid var(--border);border-radius:18px;padding:18px 20px}
.info .ico{flex:none}
.info b{display:block;font:700 15.5px var(--body);color:var(--ink)}
.info a,.info span.v{display:block;margin-top:2px;font:600 15px var(--body);color:var(--blue)}
.info small{display:block;margin-top:4px;font:400 13.5px var(--body);color:var(--muted3);line-height:1.55}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .phone{order:-1}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .download-inner{grid-template-columns:1fr;gap:32px}
  .support{grid-template-columns:1fr}
  .legal{grid-template-columns:1fr;gap:28px}
  .toc{position:static;flex-direction:row;flex-wrap:wrap;gap:8px}
  .toc .toc-title{width:100%;padding:0 0 4px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .nav.open .nav-links{display:flex;flex-direction:column;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--border);padding:14px 24px;gap:14px;align-items:flex-start}
  .nav.open .nav-cta{display:flex;position:absolute;left:0;right:0;top:calc(100% + 0px);transform:translateY(160px);padding:0 24px}
  .site-header{position:relative}
  .hero h1{font-size:38px}
  .section{padding:60px 0 0}
  .section-head h2,.download h2{font-size:28px}
  .how{margin-top:60px}.how-inner{padding:56px 24px}
  .grid-3,.grid-4,.grid-2,.shots,.methods{grid-template-columns:1fr}
  .download{margin-top:60px}.download-inner{padding:32px 24px}
  .page-hero h1{font-size:32px}
  .footer-top{grid-template-columns:1fr}
  .spec-row{flex-direction:column;gap:2px}.spec-row .k{width:auto}
  .cta-band .txt{min-width:0}
}