/* Giao diện chung cho 2 trang: Zoom 97k và khóa 2 ngày 997k — Hương AI Studio */
:root{
  --ground:#FBF7F2; --paper:#FFFFFF; --ink:#1A1F36; --muted:#5A6077; --line:#E7E1D8;
  --navy:#1A1F36; --navy-2:#252B48; --coral:#F0603C; --coral-soft:#FDE7DF; --sun:#FFC24B; --mint:#2E9C7A; --mint-soft:#E6F4EF;
  --body:"Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.65}
.wrap{max-width:1060px;margin-inline:auto;padding-inline:16px}
.narrow{max-width:760px}
h1,h2,h3{line-height:1.2;margin:0;text-wrap:balance;letter-spacing:-.01em}
h2{font-size:clamp(26px,4.6vw,38px);font-weight:800;margin-bottom:22px}
p{margin:0}
section{padding-block:60px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--coral)}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:16px 28px;border-radius:14px;border:0;background:var(--coral);color:#fff;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;box-shadow:0 12px 26px -12px var(--coral);text-align:center}
.btn:hover{filter:brightness(1.06)}
.btn:disabled{opacity:.6;cursor:wait}
.btn.ghost{background:#fff;color:var(--navy);border:1.5px solid var(--navy);box-shadow:none}
.band{background:var(--paper);border-block:1px solid var(--line)}
.dark{background:var(--navy);color:#fff}
.dark .muted{color:#B9BED3}
.muted{color:var(--muted)}

/* thanh trên cùng */
.topbar{background:var(--coral);color:#fff;text-align:center;font-size:14px;font-weight:600;padding:8px 16px}

/* hero */
.hero{padding-block:40px 60px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(30px,5vw,50px);font-weight:800;margin-top:12px}
.hero h1 em{font-style:normal;color:var(--sun)}
.hero .lead{font-size:19px;margin-top:18px;max-width:32em}
.hero .btn{margin-top:26px}
.facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.facts span{background:var(--navy-2);border:1px solid #343B5E;border-radius:10px;padding:6px 12px;font-size:14px}
.facts b{color:var(--sun)}
.hero-card{background:var(--navy-2);border-radius:22px;padding:26px;border:1px solid #343B5E}
.hero-card .gia{font-size:44px;font-weight:800;color:var(--sun);line-height:1.1}
.hero-card .gia small{font-size:16px;color:#B9BED3;font-weight:500}
.hero-card ul{list-style:none;padding:0;margin:16px 0 0}
.hero-card li{padding:7px 0 7px 28px;position:relative;border-top:1px dashed #343B5E}
.hero-card li::before{content:"✓";position:absolute;left:4px;color:var(--mint);font-weight:800}
@media (max-width:820px){.hero-grid{grid-template-columns:1fr}}

/* đếm ngược */
.dem{display:flex;gap:8px;margin-top:18px}
.dem div{background:var(--navy);color:#fff;border-radius:10px;min-width:60px;padding:8px 6px;text-align:center}
.dark .dem div{background:#11152A}
.dem b{display:block;font-size:24px;line-height:1.1}
.dem small{font-size:12px;color:#B9BED3}
.dem-nhan{font-size:14px;margin-top:16px}

/* thẻ */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:22px}
.card .n{font-size:13px;font-weight:800;color:var(--coral);letter-spacing:.08em}
.card h3{font-size:19px;margin:6px 0 8px}
.card p{color:var(--muted);font-size:16px}
.pains{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.pain{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:flex;gap:14px}
.pain>b{flex:none;width:30px;height:30px;border-radius:50%;background:var(--coral-soft);color:var(--coral);display:grid;place-items:center;font-size:15px}
@media (max-width:700px){.pains{grid-template-columns:1fr}}
.turn{margin-top:28px;font-size:20px;max-width:40em}
.story p+p{margin-top:16px}
.big{font-size:clamp(22px,3.6vw,28px);font-weight:700;border-left:5px solid var(--coral);padding-left:18px;margin-block:26px}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.vs>div{border-radius:18px;padding:24px}
.vs .bad{background:var(--coral-soft)}
.vs .good{background:var(--mint-soft)}
.vs h3{font-size:19px;margin-bottom:10px}
.vs ul{margin:0;padding-left:20px}
.vs li+li{margin-top:6px}
@media (max-width:700px){.vs{grid-template-columns:1fr}}

/* lịch 2 ngày */
.days{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.day{background:var(--paper);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.day header{background:var(--navy);color:#fff;padding:16px 22px}
.day header b{color:var(--sun)}
.day ol{margin:0;padding:18px 22px 22px 42px}
.day li+li{margin-top:10px}
.day li span{display:block;color:var(--muted);font-size:15px}
@media (max-width:760px){.days{grid-template-columns:1fr}}

/* quà */
.gift{background:linear-gradient(135deg,var(--navy) 0%,#2B2350 100%);color:#fff;border-radius:24px;padding:32px;display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center}
.gift .ico{font-size:64px;line-height:1}
.gift h3{font-size:clamp(22px,3.6vw,30px);margin:6px 0 10px}
.gift p{color:#D5D8E6}
.gift small{display:block;margin-top:12px;color:#9EA4BF;font-size:13px}
@media (max-width:700px){.gift{grid-template-columns:1fr;padding:24px}}

/* bằng chứng */
.proof{background:var(--mint-soft);border-radius:20px;padding:24px}
.proof p+p{margin-top:12px}

/* bảng giá trị */
.offer{max-width:620px;margin-inline:auto;background:var(--paper);border:2px solid var(--navy);border-radius:24px;padding:28px}
.offer .row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.offer .row span:last-child{font-weight:700;white-space:nowrap}
.offer .tong{text-align:center;margin-top:20px}
.offer .tong b{display:block;font-size:46px;font-weight:800;color:var(--coral);line-height:1.1}

/* form + thanh toán */
.box{background:var(--paper);border:2px solid var(--navy);border-radius:24px;padding:28px;max-width:560px;margin-inline:auto;box-shadow:0 24px 50px -30px rgba(0,0,0,.4)}
.box h2{font-size:clamp(24px,5vw,32px);margin-bottom:8px}
.box .sub{color:var(--muted);margin-bottom:6px}
.gia-box{background:var(--coral-soft);border-radius:14px;padding:12px 16px;margin:12px 0 4px;text-align:center}
.gia-box b{font-size:34px;font-weight:800;color:var(--coral);line-height:1.1}
.gia-box span{display:block;font-size:14px;color:var(--muted)}
label{display:block;font-weight:600;font-size:15px;margin:14px 0 6px}
input[type=text],input[type=tel],input[type=email]{width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;font:inherit;background:var(--ground);color:var(--ink)}
input:focus{outline:3px solid var(--sun);border-color:var(--navy)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin:18px 0 20px;font-weight:400}
.consent input{margin-top:4px;width:20px;height:20px;flex:none;accent-color:var(--coral)}
.box .btn{width:100%}
.err{color:var(--coral);font-size:14px;margin-top:10px;min-height:1em}
.hp{position:absolute;left:-9999px}
.ma-don{font-size:22px;font-weight:800;letter-spacing:.04em}
.pay{display:grid;grid-template-columns:200px 1fr;gap:20px;align-items:center;margin-top:12px}
.pay img{width:200px;height:200px;border-radius:12px;border:1px solid var(--line);background:#fff}
.tt{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:15px}
.tt span{color:var(--muted)}
.tt b{text-align:right;word-break:break-all}
.copy{border:1px solid var(--line);background:var(--ground);border-radius:8px;padding:4px 10px;font:inherit;font-size:13px;cursor:pointer;color:var(--ink)}
.status{margin-top:16px;font-size:15px;color:var(--muted);display:flex;gap:10px;align-items:center}
.dot{width:10px;height:10px;border-radius:50%;background:var(--sun);animation:p 1.2s infinite;flex:none}
@keyframes p{50%{opacity:.3}}
.canh-bao{background:#FFF4E0;border:1px solid var(--sun);border-radius:14px;padding:12px 14px;margin-top:16px;font-size:15px}
.done{background:var(--mint);color:#fff;border-radius:14px;padding:18px;margin-top:16px}
.done .btn{margin-top:12px;width:100%;background:#fff;color:var(--mint);box-shadow:none}
@media (max-width:560px){.pay{grid-template-columns:1fr;justify-items:center}.pay>div{width:100%}}

/* hỏi đáp */
details{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:10px}
summary{font-weight:600;cursor:pointer}
details p{margin-top:10px;color:var(--muted)}

footer{border-top:1px solid var(--line);padding-block:28px 90px;font-size:13px;color:var(--muted)}
footer p+p{margin-top:8px}
.sticky{position:fixed;left:0;right:0;bottom:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--ground) 92%,transparent);backdrop-filter:blur(8px);border-top:1px solid var(--line);display:none;z-index:9}
.sticky .btn{width:100%;padding:13px}
@media (max-width:820px){.sticky.on{display:block}}