/* ===== Bộ nhận diện VideoPro (theo sales deck 2026) ===== */
:root{
  --teal:#0e4b47; --teal-d:#0a3633; --teal-card:#1b5a55; --teal-line:rgba(255,255,255,.12);
  --pink:#ff0a6c; --pink-soft:#ffe1ec;
  --yellow:#ffc700; --yellow-soft:#fff3c7;
  --cyan:#19c2ff;
  --cream:#fff7eb; --sand:#e7ded8; --mint:#e3efec; --mint2:#d6e3e0;
  --ink:#33383c; --muted:#6b6663; --dim:#938c87; --white:#fff;
  --radius:22px; --max:1180px;
  --shadow:0 10px 30px -14px rgba(14,75,71,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Montserrat",system-ui,sans-serif;background:var(--cream);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section{padding:100px 0;position:relative}
h1,h2,h3,h4{font-family:"Montserrat",sans-serif;line-height:1.2;letter-spacing:-.01em;color:var(--teal)}
.eyebrow{display:block;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--pink)}
h2{font-size:clamp(28px,3.8vw,42px);font-weight:700;margin:10px 0 0;text-wrap:balance}
.bar{width:64px;height:5px;border-radius:4px;background:var(--pink);margin:20px 0 22px}
.center .bar{margin-left:auto;margin-right:auto}
.lead{color:var(--muted);font-size:18px;max-width:660px}
.center{text-align:center}.center .lead{margin:0 auto}
.sec-head{margin-bottom:50px}

/* nền xanh rêu */
.dark{background:var(--teal);color:#e9f1ef}
.dark h2,.dark h3,.dark h4{color:#fff}
.dark .eyebrow{color:var(--yellow)}
.dark .bar{background:var(--yellow)}
.dark .lead{color:#cfdedb}
.mint{background:var(--mint)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 28px;border-radius:12px;font-weight:700;font-size:16px;transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer;border:0;font-family:inherit}
.btn-pink{background:var(--pink-btn);color:#fff;box-shadow:0 10px 24px -10px rgba(255,10,108,.7)}
.btn-pink:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(255,10,108,.8)}
.btn-line{background:#fff;color:var(--teal);border:2px solid var(--teal)}
.btn-line:hover{background:var(--teal);color:#fff}
.dark .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}

/* NAV */
nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
nav.scrolled{background:rgba(255,247,235,.94);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--sand)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:10px}
.logo .m{height:46px;width:auto}.logo .w{height:30px;width:auto}
.nav-links{display:flex;gap:30px;font-size:15px;font-weight:500;color:var(--muted)}
.nav-links a:hover{color:var(--pink)}
.nav-cta{padding:11px 20px;font-size:14px}
.burger{display:none;background:none;border:0;color:var(--teal);cursor:pointer}

/* HERO */
.hero{padding:150px 0 80px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.chip{display:inline-block;padding:8px 16px;border-radius:8px;background:var(--pink-soft);color:var(--pink);font-size:12.5px;font-weight:700;letter-spacing:.05em;box-shadow:0 2px 0 rgba(255,10,108,.15)}
.hero h1{font-size:clamp(34px,5vw,58px);font-weight:800;margin:22px 0 22px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--pink)}
.hero .lead{font-size:19px;margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-tags{margin-top:36px;font-size:13px;font-weight:700;color:var(--pink);letter-spacing:.04em}
.hero-tags span{margin:0 8px;color:var(--dim)}
/* vòng tròn đồng tâm như deck */
.target{position:relative;width:min(460px,100%);aspect-ratio:1;margin:0 auto}
/* logo lớn + quầng màu thương hiệu */
.glow{position:absolute;border-radius:50%;filter:blur(50px);opacity:.45}
.glow-1{width:55%;height:55%;left:2%;top:6%;background:var(--yellow)}
.glow-2{width:50%;height:50%;right:0;top:14%;background:var(--cyan)}
.glow-3{width:55%;height:50%;left:22%;bottom:2%;background:var(--pink)}
.big-mark{position:absolute;inset:8%;width:84%;filter:drop-shadow(0 30px 40px rgba(14,75,71,.25));animation:spinfloat 8s ease-in-out infinite}
@keyframes spinfloat{50%{transform:translateY(-10px) rotate(3deg)}}
/* dải sóng màu như bộ nhận diện */
.waves{position:absolute;left:0;right:0;bottom:0;height:180px;pointer-events:none;z-index:0}
.waves svg{width:100%;height:100%;display:block}
.hero .wrap{position:relative;z-index:1}
.badge-f{position:absolute;background:#fff;border-radius:14px;padding:12px 16px;font-size:13px;color:var(--muted);box-shadow:var(--shadow);animation:bob 5s ease-in-out infinite}
.badge-f strong{display:block;font-family:"Montserrat";font-size:18px;color:var(--teal)}
.b1{left:-4%;bottom:12%}.b2{right:-4%;top:10%;animation-delay:-2.5s}
.b1 strong{color:var(--pink)}
@keyframes bob{50%{transform:translateY(-8px)}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-10px}
.stat{background:#fff;border-radius:18px;padding:24px;box-shadow:var(--shadow);border-top:5px solid var(--c,var(--pink))}
.stat strong{font-family:"Montserrat";font-size:28px;font-weight:800;color:var(--teal);display:block}
.stat span{color:var(--muted);font-size:14px}

/* cards */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:transform .25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px)}
.card.ln{border-left:6px solid var(--c,var(--pink))}
.num{font-family:"Montserrat";font-size:14px;font-weight:800;color:var(--c,var(--pink))}
.card h3{font-size:20px;margin:10px 0 10px}
.card p{color:var(--muted);font-size:15px}
.c-pink{--c:var(--pink)}.c-yellow{--c:var(--yellow)}.c-cyan{--c:var(--cyan)}.c-teal{--c:var(--teal)}
.icon{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--c,var(--pink)) 16%,#fff);color:var(--c,var(--pink));margin-bottom:16px}
.c-yellow .icon{color:#c99a00}
.icon svg{width:24px;height:24px}
.note{margin-top:34px;padding:20px 26px;border-radius:14px;background:var(--yellow-soft);box-shadow:0 6px 16px -10px rgba(196,138,0,.5);color:var(--ink);font-size:16px;text-align:center;font-weight:500}
.dark .note{background:rgba(255,255,255,.08);color:#fff;box-shadow:none;border:1px solid var(--teal-line)}

/* about */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}
.logo-card{background:var(--cream);border-radius:34px;padding:50px 40px;text-align:center;box-shadow:0 30px 60px -25px rgba(0,0,0,.5)}
.logo-card img{width:82%;margin:0 auto}
.logo-card p{margin-top:26px;color:var(--pink);font-weight:700;letter-spacing:.03em}
.about h3.big{font-size:clamp(24px,2.6vw,32px);font-weight:700;margin:0 0 20px}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
.pillar{background:var(--teal-card);border:1px solid var(--teal-line);border-radius:16px;padding:20px}
.pillar .n{color:var(--yellow);font-weight:800;font-size:14px}
.pillar h4{font-size:17px;margin:8px 0 6px;letter-spacing:.02em}
.pillar p{color:#cfdedb;font-size:13.5px}

/* angles */
.angle-src{display:flex;align-items:center;justify-content:center;gap:10px;margin:0 auto 26px;padding:12px 22px;border-radius:999px;background:#fff;box-shadow:var(--shadow);width:fit-content;font-weight:700;color:var(--teal)}
.angle-src em{font-style:normal;color:var(--pink-ink)}
.angles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.angle{background:var(--teal-card);border:1px solid var(--teal-line);border-radius:18px;padding:22px;display:flex;gap:16px;align-items:flex-start}
.angle .k{flex:none;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;color:var(--teal);background:var(--c)}
.angle h4{font-size:16px;letter-spacing:.03em;margin-bottom:4px}
.angle p{color:#cfdedb;font-size:14px;line-height:1.5}

/* process */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.process::before{content:"";position:absolute;top:34px;left:10%;right:10%;height:3px;background:repeating-linear-gradient(90deg,var(--mint2) 0 10px,transparent 10px 18px)}
.step{text-align:center;position:relative}
.step .dot{width:68px;height:68px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;background:var(--c);color:#fff;font-family:"Montserrat";font-weight:800;font-size:20px;position:relative;box-shadow:0 0 0 7px var(--cream),var(--shadow)}
.step.c-yellow .dot,.step.c-cyan .dot{color:var(--teal)}
.step h4{font-size:16px;letter-spacing:.04em;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;max-width:200px;margin:0 auto}

/* formats */
.fmt{display:flex;gap:18px;align-items:flex-start}
.fmt .icon{margin:0;flex:none}
.fmt h3{margin-top:0!important}
.spec{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:34px}
.spec span{padding:10px 16px;border-radius:10px;background:#fff;box-shadow:0 4px 12px -8px rgba(14,75,71,.4);font-size:14px;font-weight:600;color:var(--teal)}

/* plans */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.plan{border-radius:26px;padding:38px;background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column;position:relative}
.plan .tag{display:inline-block;align-self:flex-start;font-size:12px;font-weight:700;padding:6px 12px;border-radius:8px;background:var(--pink-soft);color:var(--pink);letter-spacing:.05em}
.plan h3{font-size:28px;margin:14px 0 8px}
.plan .desc{color:var(--muted);font-size:15px;min-height:48px}
.price-box{margin:24px 0;padding:26px;border-radius:20px;background:var(--teal);color:#fff}
.price-box small{display:block;font-size:13px;font-weight:700;color:var(--yellow);letter-spacing:.06em}
.price-box strong{font-family:"Montserrat";font-size:42px;font-weight:800;line-height:1.15}
.price-box .u{font-size:16px;color:#cfdedb;margin-left:4px}
.price-box .sub{display:block;margin-top:6px;color:var(--yellow);font-weight:600;font-size:14px}
.tiers{display:grid;gap:8px;margin-top:18px}
.tier{display:flex;justify-content:space-between;padding:10px 14px;border-radius:10px;background:rgba(255,255,255,.08);font-size:14.5px}
.tier b{color:#fff}
.plan .lbl{font-size:13px;font-weight:700;color:var(--pink);letter-spacing:.06em;margin-bottom:10px}
.checks{list-style:none;display:grid;gap:11px;margin-bottom:28px;flex:1}
.checks li{display:flex;gap:12px;font-size:15px;color:var(--ink)}
.checks li::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--teal);margin-top:9px}
.plan.studio{border:3px solid var(--pink)}
.plan.studio .ribbon{position:absolute;top:-14px;right:28px;background:var(--pink-btn);color:#fff;font-size:12px;font-weight:700;padding:6px 14px;border-radius:8px;letter-spacing:.04em}
.fine{color:var(--dim);font-size:13px;margin-top:14px}
.callout{margin-top:14px;padding:14px 16px;border-radius:12px;background:var(--yellow-soft);font-size:13.5px;font-weight:600;color:var(--ink);text-align:center}

/* compare table */
.tbl{margin-top:50px;border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.tbl table{width:100%;border-collapse:collapse;font-size:15px}
.tbl th,.tbl td{padding:17px 22px;text-align:left;border-bottom:1px solid var(--mint2);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl th{font-size:13px;letter-spacing:.06em;color:#fff;font-weight:700;background:var(--teal)}
.tbl th:nth-child(3){background:var(--pink-btn)}
.tbl td:first-child{color:var(--teal);font-weight:700;width:22%;background:var(--mint)}

/* calculator */
.calc{display:grid;grid-template-columns:1fr 1.2fr;gap:30px;background:#fff;border-radius:26px;padding:40px;box-shadow:var(--shadow)}
.calc label{font-weight:700;color:var(--teal);display:block;margin-bottom:8px}
.vol{font-family:"Montserrat";font-size:56px;font-weight:800;line-height:1;color:var(--teal)}
.vol small{font-size:18px;color:var(--muted);font-weight:500;font-family:"Montserrat"}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:10px;border-radius:10px;background:var(--mint2);margin:26px 0 12px;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;border-radius:50%;background:var(--pink);border:5px solid #fff;cursor:pointer;box-shadow:0 3px 10px rgba(255,10,108,.5)}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--pink);border:5px solid #fff;cursor:pointer}
.ticks{display:flex;justify-content:space-between;font-size:12px;color:var(--dim)}
.presets{display:flex;gap:8px;margin-top:22px;flex-wrap:wrap}
.presets button{padding:9px 16px;border-radius:10px;border:2px solid var(--mint2);background:#fff;color:var(--teal);font-family:inherit;font-weight:700;cursor:pointer}
.presets button.on,.presets button:hover{background:var(--teal);border-color:var(--teal);color:#fff}
.res{display:grid;gap:14px}
.res-row{padding:20px 24px;border-radius:18px;background:var(--mint)}
.res-row .lbl{display:flex;justify-content:space-between;color:var(--muted);font-size:14px;margin-bottom:4px;font-weight:500}
.res-row strong{font-family:"Montserrat";font-size:28px;font-weight:800;color:var(--teal)}
.meter{height:8px;border-radius:8px;background:rgba(14,75,71,.1);margin-top:10px;overflow:hidden}
.meter i{display:block;height:100%;border-radius:8px;transition:width .4s}
.m1 i{background:var(--teal)}.m2 i{background:var(--pink)}
.save{background:var(--teal)}
.save .lbl{color:#cfdedb}.save strong{color:var(--yellow)}
.save #pct{color:var(--yellow);font-weight:700}

/* roadmap */
.road{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.road .card{background:var(--teal-card);box-shadow:none;border:1px solid var(--teal-line)}
.road .card p{color:#cfdedb}
.road .num{color:var(--yellow)}
.when{display:inline-block;padding:5px 12px;border-radius:8px;font-size:12px;font-weight:700;background:var(--pink-btn);color:#fff;margin-top:16px}

/* quality */
.qual{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.q{padding:24px 20px;border-radius:18px;background:#fff;box-shadow:var(--shadow)}
.q .ck{width:38px;height:38px;border-radius:50%;background:var(--c);display:grid;place-items:center;margin-bottom:14px}
.q h4{font-size:15px;letter-spacing:.05em;margin-bottom:6px}
.q p{color:var(--muted);font-size:14px}

/* io */
.io{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:stretch}
.io .card{padding:34px}
.io .arrow{display:grid;place-items:center;color:var(--pink)}
.io ul{list-style:none;display:grid;gap:13px;margin-top:18px}
.io li{display:flex;gap:12px;color:var(--ink);font-size:15px}
.io li span{flex:none;width:26px;height:26px;border-radius:8px;background:var(--mint);display:grid;place-items:center;font-size:12px;font-weight:700;color:var(--teal)}
.io .out{background:var(--teal)}
.io .out h3{color:#fff}.io .out .num{color:var(--yellow)}
.io .out li{color:#e9f1ef}.io .out li span{background:var(--pink-btn);color:#fff}

/* faq */
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
details{background:#fff;border-radius:16px;padding:0 26px;box-shadow:0 6px 18px -12px rgba(14,75,71,.4);border-left:5px solid transparent;transition:border-color .2s}
details[open]{border-left-color:var(--pink)}
summary{list-style:none;cursor:pointer;padding:22px 0;font-weight:700;font-size:17px;color:var(--teal);display:flex;justify-content:space-between;gap:16px;align-items:center;font-family:"Montserrat"}
summary::-webkit-details-marker{display:none}
summary .qn{color:var(--pink);font-size:14px;margin-right:12px}
summary .pm{flex:none;width:30px;height:30px;border-radius:50%;background:var(--mint);display:grid;place-items:center;transition:transform .25s;font-family:"Montserrat"}
details[open] .pm{transform:rotate(45deg);background:var(--pink-soft);color:var(--pink)}
details p{color:var(--muted);padding:0 0 22px 42px;font-size:15.5px}

/* cta */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.cta-logo{display:inline-block;background:var(--cream);border-radius:20px;padding:18px 24px;margin-bottom:20px;box-shadow:0 20px 40px -20px rgba(0,0,0,.5)}
.cta-logo img{height:84px;width:auto}
.cta-chip{display:inline-block;padding:7px 14px;border-radius:8px;background:var(--pink-soft);color:var(--pink);font-size:12.5px;font-weight:700;letter-spacing:.05em;margin-bottom:14px}
.dark .cta-grid h2{font-size:clamp(28px,3.6vw,42px)}
form{display:grid;gap:12px;background:var(--cream);padding:30px;border-radius:24px;box-shadow:0 30px 60px -25px rgba(0,0,0,.5)}
form h3,.dark form h3{font-size:20px;margin-bottom:4px;color:var(--teal)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
input,select,textarea{width:100%;padding:14px 16px;border-radius:12px;border:2px solid var(--sand);background:#fff;color:var(--ink);font-family:inherit;font-size:15px;outline:none;transition:border-color .2s}
input:focus,select:focus,textarea:focus{border-color:var(--teal)}
textarea{resize:vertical;min-height:92px}
.ok{display:none;padding:14px;border-radius:12px;background:#e1f5ec;border:1px solid #7cc9a6;color:#1d6b4c;font-size:15px}
.err{background:var(--pink-soft)!important;border-color:rgba(255,10,108,.4)!important;color:#b0124a!important}
.cta-foot{margin-top:26px;font-size:12.5px;font-weight:700;color:#cfdedb;letter-spacing:.06em}

footer{padding:50px 0 34px;background:var(--teal-d);color:#cfdedb}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.foot .flogo{display:flex;align-items:center;gap:14px}
.foot .flogo img{width:52px}
.foot .flogo b{font-family:"Montserrat";font-size:20px;color:#fff;letter-spacing:.06em;display:block;line-height:1.1}
.foot .flogo small{color:var(--pink);font-weight:600;font-size:12px}
.foot p{font-size:14px;max-width:380px;margin-top:14px}
.foot-links{display:flex;gap:50px;font-size:14px}
.foot-links div{display:grid;gap:10px}
.foot-links b{color:#fff;margin-bottom:4px}
.foot-links a:hover{color:var(--yellow)}
.copy{margin-top:36px;padding-top:20px;border-top:1px solid var(--teal-line);font-size:12.5px;font-weight:600;letter-spacing:.04em;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#9fb6b2}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}*{animation:none!important}}

/* responsive */
@media (max-width:1024px){
  .hero-grid,.about-grid,.calc,.cta-grid{grid-template-columns:1fr}
  .target{max-width:400px}
  .g4,.road,.stats{grid-template-columns:repeat(2,1fr)}
  .angles{grid-template-columns:repeat(2,1fr)}
  .qual{grid-template-columns:repeat(3,1fr)}
  .process{grid-template-columns:repeat(3,1fr);row-gap:40px}.process::before{display:none}
  .logo-card{max-width:460px;margin:0 auto}
}
@media (max-width:760px){
  section{padding:76px 0}
  .wrap{padding:0 16px}
  .nav-links{display:none;position:absolute;top:78px;left:0;right:0;flex-direction:column;gap:0;background:var(--cream);box-shadow:0 10px 20px -10px rgba(0,0,0,.2);padding:8px 16px 16px}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--sand)}
  .burger{display:block}
  .nav-cta{display:none}
  .logo img{height:42px}
  .hero{padding:120px 0 60px}
  .badge-f{display:none}
  .g3,.g4,.plans,.road,.io,.pillars,.angles{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:10px}.stat{padding:18px}.stat strong{font-size:22px}
  .io .arrow{transform:rotate(90deg)}
  .qual,.process{grid-template-columns:1fr 1fr}
  .plan,.calc{padding:26px 20px}
  .price-box strong{font-size:34px}
  .tbl{overflow-x:auto}.tbl table{min-width:640px}
  .row2{grid-template-columns:1fr}
  form{padding:22px}
  details p{padding-left:0}
  .foot-links{gap:30px}
}

/* ===== Affiliate ===== */
.aff-teaser{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.aff-mini{display:grid;gap:14px}
.am{display:grid;grid-template-columns:110px 1fr;align-items:center;column-gap:18px;padding:20px 24px;border-radius:18px;background:var(--teal-card);border:1px solid var(--teal-line);border-left:6px solid var(--c)}
.am span{grid-column:1;font-size:13px;font-weight:700;letter-spacing:.08em;color:#cfdedb}
.am strong{grid-column:1;grid-row:2;font-size:40px;font-weight:800;color:var(--c);line-height:1}
.am small{grid-column:2;grid-row:1/3;color:#e9f1ef;font-size:15px}
@media (max-width:1024px){.aff-teaser{grid-template-columns:1fr}}

/* ===== UI/UX polish (theo checklist UI UX Pro Max) ===== */
/* Màu chữ đạt tương phản ≥4.5:1 — màu thương hiệu gốc giữ cho nền, nút, hình */
:root{--pink-ink:#c70054;--yellow-ink:#8a6a00;--cyan-ink:#0071a0;--pink-btn:#e0005f;--pink-on-dark:#ff8ab5;--dim:#6e6964}
.eyebrow,.chip,.hero-tags,.plan .tag,.plan .lbl,.cta-chip,summary .qn,.logo-card p,.num,.c-pink .num{color:var(--pink-ink)}
.c-yellow .num{color:var(--yellow-ink)}.c-cyan .num{color:var(--cyan-ink)}
.dark .eyebrow,.road .num{color:var(--yellow)}
.io .out .num{color:var(--yellow)}
.badge-f.b1 strong{color:var(--pink-ink)}
.foot .flogo small{color:var(--pink-on-dark)}
.am strong{filter:none}
.btn-pink{background:var(--pink-btn)}
.btn-pink:hover{background:var(--pink-ink)}
.btn{min-height:48px}
.nav-links a:hover{color:var(--pink-ink)}

/* Focus rõ ràng khi dùng bàn phím */
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:6px}
.dark :focus-visible,footer :focus-visible{outline-color:var(--yellow)}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(14,75,71,.18)}
input[type=range]:focus-visible{outline:3px solid var(--teal);outline-offset:6px}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--teal);color:#fff;padding:10px 16px;border-radius:10px;font-weight:700}
.skip:focus{top:12px}

/* Vùng bấm tối thiểu 44px */
.nav-links a{padding:10px 2px}
.foot-links div{gap:0}
.foot-links a{padding:11px 0;display:block}
.presets button{min-height:44px;padding:9px 18px}
summary{min-height:56px}

/* Nhãn form hiển thị */
label.f{display:grid;gap:6px;font-size:14px;font-weight:600;color:var(--teal)}
label.f i{color:var(--pink-ink);font-style:normal}
form .row2{align-items:end}
label.agree{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);cursor:pointer}
label.agree input{width:20px;height:20px;margin-top:1px;flex:none;accent-color:var(--teal)}
input::placeholder,textarea::placeholder{color:#8f8984}
button:disabled{opacity:.7;cursor:progress}

/* Khi nhảy tới mục, không bị thanh menu che */
section[id],header[id]{scroll-margin-top:84px}

/* Nút CTA cố định trên điện thoại */
.m-cta{display:none}
@media (max-width:760px){
  .m-cta{display:flex;gap:10px;position:fixed;left:16px;right:16px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:40;transform:translateY(140%);transition:transform .3s ease}
  .m-cta .btn{flex:1;justify-content:center;padding:14px 12px}
  .m-cta .btn-pink{flex:1.4;box-shadow:0 12px 30px -8px rgba(224,0,95,.6)}
  .btn-call{background:var(--teal);color:#fff;gap:8px;box-shadow:0 12px 30px -8px rgba(14,75,71,.6)}
  .m-cta.show{transform:none}
  footer{padding-bottom:100px}
  .nav-links a{padding:14px 0}
}
@media (prefers-reduced-motion:reduce){.m-cta{transition:none}.big-mark{animation:none}}

/* Hotline */
.nav-tel{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--teal);min-height:44px;margin-right:18px;white-space:nowrap}
@media (min-width:761px){.nav-links{margin:0 auto}}
.nav-tel:hover{color:var(--pink-ink)}
@media (max-width:1180px){.nav-tel{display:none}}
.hotline{display:inline-flex;align-items:center;gap:14px;margin-top:26px;padding:12px 22px 12px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1.5px solid rgba(255,255,255,.25);color:#fff;transition:background .2s,border-color .2s}
.hotline svg{width:44px;height:44px;padding:11px;border-radius:50%;background:var(--yellow);color:var(--teal);flex:none}
.hotline small{display:block;font-size:12px;font-weight:600;color:#cfdedb;letter-spacing:.04em}
.hotline b{display:block;font-size:22px;letter-spacing:.03em;line-height:1.2}
.hotline:hover{background:rgba(255,255,255,.14);border-color:var(--yellow)}