/* Kỷ Luật — marketing site. Aurora design language. */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root{
  --g1:#6D5EF0; --g2:#9B5CF6; --primary:#6D5EF0; --primary-deep:#5A45D6;
  --grad:linear-gradient(135deg,#6D5EF0,#9B5CF6);
  --text:#1A1734; --sub:#6E6B89; --faint:#A8A6BE; --line:rgba(26,23,52,.09);
  --bg:#FBFAFF; --card:#FFFFFF; --track:#ECE7FE;
  --mint:#10C8A0; --mint-deep:#0B9B7B; --coral:#FF6F8B; --amber:#FFAE34; --sky:#3FA0FF;
  --shadow:0 14px 40px rgba(80,60,180,.10);
  --shadow-sm:0 6px 20px rgba(80,60,180,.08);
  --maxw:1160px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:'Plus Jakarta Sans',sans-serif; line-height:1.55;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img,svg{display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
section{position:relative;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;font-size:15.5px;
  padding:14px 24px;border-radius:15px;cursor:pointer;border:none;font-family:inherit;letter-spacing:.2px;
  transition:transform .15s ease,box-shadow .15s ease;white-space:nowrap;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(109,94,240,.32);}
.btn-primary:hover{box-shadow:0 16px 32px rgba(109,94,240,.42);transform:translateY(-2px);}
.btn-ghost{background:rgba(109,94,240,.08);color:var(--primary);}
.btn-ghost:hover{background:rgba(109,94,240,.14);}
.btn-outline{background:#fff;color:var(--primary);border:1.5px solid var(--line);}
.btn-lg{padding:17px 30px;font-size:16.5px;border-radius:17px;}

/* store buttons */
.stores{display:flex;gap:13px;flex-wrap:wrap;}
.store{display:inline-flex;align-items:center;gap:11px;background:#1A1734;color:#fff;padding:11px 20px;border-radius:15px;
  transition:transform .15s ease,box-shadow .15s ease;}
.store:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(26,23,52,.28);}
.store small{display:block;font-size:11px;opacity:.75;font-weight:600;line-height:1.2;white-space:nowrap;}
.store strong{display:block;font-size:17px;font-weight:800;line-height:1.15;letter-spacing:-.2px;white-space:nowrap;}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(251,250,255,.82);border-bottom:1px solid var(--line);}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px;}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;letter-spacing:-.3px;white-space:nowrap;}
.brand .logo{width:40px;height:40px;border-radius:13px;background:var(--grad);display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(109,94,240,.4);color:#fff;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{font-weight:700;font-size:15px;color:var(--sub);transition:color .15s;white-space:nowrap;}
.nav-links a:hover{color:var(--text);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.hamburger{display:none;background:none;border:none;cursor:pointer;color:var(--text);padding:6px;}

/* ---------- hero ---------- */
.hero{padding:70px 0 90px;overflow:hidden;
  background:radial-gradient(120% 80% at 0% -10%, #EFEAFF 0%, #F6F4FF 42%, var(--bg) 100%);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  padding:8px 15px;border-radius:30px;font-weight:800;font-size:13px;color:var(--primary-deep);box-shadow:var(--shadow-sm);white-space:nowrap;}
.eyebrow .dot{width:8px;height:8px;border-radius:8px;background:var(--mint);}
h1.display{font-size:clamp(38px,5.4vw,62px);font-weight:800;line-height:1.05;letter-spacing:-1.8px;margin:22px 0 0;text-wrap:balance;}
.hero p.lead{font-size:clamp(17px,2vw,20px);color:var(--sub);margin:20px 0 0;max-width:520px;line-height:1.6;}
.hero .stores{margin-top:30px;}
.hero .trust{display:flex;align-items:center;gap:14px;margin-top:24px;color:var(--sub);font-size:14px;font-weight:600;flex-wrap:wrap;}
.stars{display:flex;gap:2px;color:var(--amber);}
.avatars{display:flex;}
.avatars span{width:30px;height:30px;border-radius:50%;border:2.5px solid var(--bg);margin-left:-10px;background:var(--grad);}
.avatars span:first-child{margin-left:0;}

/* hero phones */
.hero-stage{position:relative;height:600px;display:flex;align-items:center;justify-content:center;}
.blob{position:absolute;border-radius:50%;filter:blur(8px);opacity:.5;}
.blob.b1{width:300px;height:300px;background:radial-gradient(circle,#C9BEFF,transparent 70%);top:10px;right:0;}
.blob.b2{width:260px;height:260px;background:radial-gradient(circle,#BDF5E6,transparent 70%);bottom:20px;left:10px;}

/* ---------- phone mockup (pure CSS) ---------- */
.phone{width:300px;height:620px;border-radius:46px;background:#0C0A1E;padding:11px;
  box-shadow:0 50px 90px rgba(26,23,52,.36), inset 0 0 0 2px rgba(255,255,255,.06);position:relative;flex-shrink:0;}
.phone .screen{width:100%;height:100%;border-radius:36px;overflow:hidden;position:relative;background:#fff;}
.phone .island{position:absolute;top:11px;left:50%;transform:translateX(-50%);width:92px;height:26px;background:#0C0A1E;border-radius:18px;z-index:5;}
.phone.float-a{transform:rotate(-5deg) translateY(8px);z-index:2;}
.phone.float-b{transform:rotate(6deg) scale(.86);position:absolute;right:-6px;bottom:0;z-index:1;opacity:.96;}

.scr{height:100%;font-family:'Plus Jakarta Sans',sans-serif;padding:46px 20px 20px;}
.scr-kid{background:radial-gradient(130% 90% at 100% -10%, #E6FBF4 0%, #EFEBFF 45%, #FBFAFF 100%);}
.scr-parent{background:radial-gradient(135% 95% at 0% -10%, #EFEAFF 0%, #F6F4FF 44%, #FBFAFF 100%);}
.scr-row{display:flex;align-items:center;gap:11px;}
.mascot{width:46px;height:46px;border-radius:50% 50% 50% 50%/42% 42% 58% 58%;background:var(--grad);position:relative;flex-shrink:0;box-shadow:0 6px 14px rgba(109,94,240,.4);}
.mascot::before,.mascot::after{content:"";position:absolute;top:33%;width:6px;height:6px;background:#fff;border-radius:50%;}
.mascot::before{left:28%;} .mascot::after{right:28%;}
.mascot i{position:absolute;top:52%;left:50%;transform:translateX(-50%);width:13px;height:7px;border:2.4px solid #fff;border-top:none;border-radius:0 0 40px 40px;}
.scr h4{margin:0;font-size:16px;font-weight:800;}
.scr .muted{font-size:12px;color:var(--sub);}
.ring-wrap{display:grid;place-items:center;margin:22px 0 6px;}
.ring{position:relative;width:184px;height:184px;}
.ring .lbl{position:absolute;inset:0;display:grid;place-items:center;text-align:center;}
.ring .big{font-size:33px;font-weight:800;letter-spacing:-1px;}
.badge-safe{display:inline-flex;align-items:center;gap:6px;background:rgba(16,200,160,.14);color:var(--mint-deep);
  font-weight:800;font-size:13px;padding:7px 17px;border-radius:30px;margin-top:4px;}
.glass{background:rgba(255,255,255,.74);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.6);
  border-radius:18px;box-shadow:var(--shadow-sm);padding:13px;}
.mini-row{display:flex;align-items:center;gap:11px;}
.app-ico{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;flex-shrink:0;box-shadow:0 3px 8px rgba(26,23,52,.16);}
.bar{height:6px;background:var(--track);border-radius:6px;margin-top:7px;overflow:hidden;}
.bar > i{display:block;height:100%;border-radius:6px;}
.scr-list{display:flex;flex-direction:column;gap:9px;margin-top:14px;}
.hero-card{border-radius:22px;padding:17px;color:#fff;background:var(--grad);box-shadow:0 14px 30px rgba(109,94,240,.34);position:relative;overflow:hidden;}
.hero-card .c1{position:absolute;width:120px;height:120px;border-radius:50%;background:rgba(255,255,255,.15);top:-44px;right:-26px;}
.eyebrow-w{display:inline-flex;align-items:center;gap:6px;font-size:10.5px;font-weight:800;letter-spacing:.6px;opacity:.92;}
.eyebrow-w .d{width:7px;height:7px;border-radius:7px;background:#7DF0C8;}

/* ---------- section headings ---------- */
.sec{padding:90px 0;}
.sec-head{text-align:center;max-width:680px;margin:0 auto 54px;}
.tag{display:inline-block;font-weight:800;font-size:13px;letter-spacing:1px;text-transform:uppercase;color:var(--primary);margin-bottom:14px;}
h2.sec-title{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-1.2px;line-height:1.1;margin:0;text-wrap:balance;}
.sec-head p{font-size:18px;color:var(--sub);margin:16px 0 0;line-height:1.6;}

/* features */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feat{background:var(--card);border-radius:24px;padding:30px;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease;}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.feat .ico{width:56px;height:56px;border-radius:17px;display:grid;place-items:center;color:#fff;margin-bottom:20px;}
.feat h3{font-size:20px;font-weight:800;margin:0 0 9px;letter-spacing:-.3px;}
.feat p{font-size:15px;color:var(--sub);margin:0;line-height:1.6;}

/* how it works */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:step;}
.step{position:relative;padding-top:8px;}
.step .num{width:52px;height:52px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  display:grid;place-items:center;font-weight:800;font-size:22px;margin-bottom:20px;}
.step .num span{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.step h3{font-size:20px;font-weight:800;margin:0 0 8px;letter-spacing:-.3px;}
.step p{font-size:15px;color:var(--sub);margin:0;line-height:1.6;}

/* two apps */
.apps-sec{background:linear-gradient(180deg,#fff,#F5F2FF);}
.apps-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.app-card{border-radius:28px;padding:38px;position:relative;overflow:hidden;}
.app-card.parent{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);}
.app-card.kid{background:var(--grad);color:#fff;box-shadow:0 20px 44px rgba(109,94,240,.34);}
.app-card .pill{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:13px;padding:7px 15px;border-radius:30px;margin-bottom:18px;}
.app-card.parent .pill{background:rgba(109,94,240,.1);color:var(--primary);}
.app-card.kid .pill{background:rgba(255,255,255,.2);color:#fff;}
.app-card h3{font-size:26px;font-weight:800;letter-spacing:-.6px;margin:0 0 12px;}
.app-card p{font-size:16px;line-height:1.6;margin:0 0 22px;}
.app-card.parent p{color:var(--sub);}
.app-card.kid p{color:rgba(255,255,255,.9);}
.app-list{display:flex;flex-direction:column;gap:13px;}
.app-list li{display:flex;align-items:center;gap:12px;font-weight:700;font-size:15.5px;list-style:none;}
.app-list .chk{width:26px;height:26px;border-radius:9px;display:grid;place-items:center;flex-shrink:0;}
.app-card.parent .chk{background:rgba(16,200,160,.14);color:var(--mint-deep);}
.app-card.kid .chk{background:rgba(255,255,255,.22);color:#fff;}
.app-card ul{padding:0;margin:0;}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.price{background:#fff;border-radius:26px;padding:34px;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;position:relative;}
.price.pop{border:2px solid var(--primary);box-shadow:var(--shadow);}
.price .plan{font-size:19px;font-weight:800;}
.price .popbadge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;
  font-weight:800;font-size:12px;padding:6px 16px;border-radius:30px;box-shadow:0 8px 16px rgba(109,94,240,.34);}
.price .amt{display:flex;align-items:baseline;gap:6px;margin:14px 0 6px;}
.price .amt b{font-size:42px;font-weight:800;letter-spacing:-1.5px;}
.price .amt span{color:var(--sub);font-size:15px;font-weight:600;}
.price .desc{color:var(--sub);font-size:14.5px;margin-bottom:20px;}
.price ul{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.price li{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;}
.price li .c{width:22px;height:22px;border-radius:7px;background:rgba(16,200,160,.14);color:var(--mint-deep);display:grid;place-items:center;flex-shrink:0;}

/* faq */
.faq{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:13px;}
.qa{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);}
.qa summary{list-style:none;cursor:pointer;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:800;font-size:17px;}
.qa summary::-webkit-details-marker{display:none;}
.qa summary .plus{width:28px;height:28px;border-radius:9px;background:rgba(109,94,240,.1);color:var(--primary);
  display:grid;place-items:center;flex-shrink:0;transition:transform .2s;font-size:20px;font-weight:700;}
.qa[open] summary .plus{transform:rotate(45deg);}
.qa .ans{padding:0 24px 22px;color:var(--sub);font-size:15.5px;line-height:1.65;}

/* big CTA */
.cta-band{background:var(--grad);border-radius:36px;padding:64px 48px;text-align:center;color:#fff;position:relative;overflow:hidden;
  box-shadow:0 30px 60px rgba(109,94,240,.36);}
.cta-band .c{position:absolute;border-radius:50%;background:rgba(255,255,255,.12);}
.cta-band .c1{width:240px;height:240px;top:-90px;left:-40px;}
.cta-band .c2{width:180px;height:180px;bottom:-80px;right:-20px;}
.cta-band h2{font-size:clamp(30px,4vw,46px);font-weight:800;letter-spacing:-1.2px;margin:0;position:relative;text-wrap:balance;}
.cta-band p{font-size:19px;opacity:.92;margin:16px 0 0;position:relative;}
.cta-band .stores{justify-content:center;margin-top:30px;position:relative;}
.cta-band .store{background:#fff;color:var(--text);}

/* footer */
footer{background:#15132B;color:#fff;padding:70px 0 36px;margin-top:90px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.foot-brand .brand{color:#fff;}
.foot-brand p{color:rgba(255,255,255,.55);font-size:14.5px;margin:18px 0 0;max-width:280px;line-height:1.6;}
footer h5{font-size:13px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;color:rgba(255,255,255,.45);margin:0 0 18px;}
footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:13px;}
footer ul a{color:rgba(255,255,255,.75);font-size:15px;font-weight:600;transition:color .15s;}
footer ul a:hover{color:#fff;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding-top:26px;display:flex;justify-content:space-between;align-items:center;
  color:rgba(255,255,255,.5);font-size:14px;flex-wrap:wrap;gap:12px;}

/* ---------- legal pages ---------- */
.legal-hero{background:radial-gradient(120% 80% at 0% -10%, #EFEAFF 0%, #F6F4FF 42%, var(--bg) 100%);padding:60px 0 48px;}
.legal-hero h1{font-size:clamp(32px,4.5vw,50px);font-weight:800;letter-spacing:-1.4px;margin:18px 0 0;}
.legal-hero .upd{color:var(--sub);font-size:15px;margin-top:14px;font-weight:600;}
.legal-body{padding:56px 0 30px;}
.legal-layout{display:grid;grid-template-columns:240px 1fr;gap:56px;align-items:start;}
.toc{position:sticky;top:96px;}
.toc h6{font-size:12px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;color:var(--faint);margin:0 0 16px;}
.toc ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.toc a{font-size:14.5px;font-weight:600;color:var(--sub);transition:color .15s;line-height:1.4;}
.toc a:hover{color:var(--primary);}
.prose{max-width:740px;}
.prose h2{font-size:25px;font-weight:800;letter-spacing:-.5px;margin:42px 0 14px;scroll-margin-top:96px;}
.prose h2:first-child{margin-top:0;}
.prose h3{font-size:18px;font-weight:800;margin:26px 0 10px;}
.prose p{font-size:16px;color:#36334F;line-height:1.72;margin:0 0 16px;}
.prose ul{margin:0 0 16px;padding-left:4px;list-style:none;display:flex;flex-direction:column;gap:10px;}
.prose ul li{font-size:16px;color:#36334F;line-height:1.65;padding-left:28px;position:relative;}
.prose ul li::before{content:"";position:absolute;left:4px;top:9px;width:8px;height:8px;border-radius:3px;background:var(--grad);}
.prose a{color:var(--primary);font-weight:700;border-bottom:1.5px solid rgba(109,94,240,.3);}
.prose strong{color:var(--text);font-weight:800;}
.callout{background:rgba(109,94,240,.06);border:1px solid rgba(109,94,240,.18);border-radius:18px;padding:20px 24px;margin:0 0 26px;}
.callout p{margin:0;color:var(--primary-deep);font-weight:600;font-size:15.5px;}
.ph{background:rgba(255,174,52,.16);color:#9a6206;padding:1px 7px;border-radius:6px;font-weight:700;font-size:.92em;}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:10px;}
  .hero-stage{height:540px;margin-top:10px;}
  .feat-grid,.steps,.price-grid{grid-template-columns:1fr;}
  .apps-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .legal-layout{grid-template-columns:1fr;gap:30px;}
  .toc{position:static;}
  .toc ul{flex-direction:row;flex-wrap:wrap;gap:9px 18px;}
}
@media (max-width:680px){
  .nav-links{display:none;}
  .hamburger{display:block;}
  .nav.open .nav-links{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(251,250,255,.98);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:8px 0;}
  .nav.open .nav-links a{padding:14px 24px;width:100%;}
  .sec{padding:64px 0;}
  .cta-band{padding:48px 26px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .hero{padding:48px 0 64px;}
}
@media (max-width:480px){
  .foot-grid{grid-template-columns:1fr;}
}