/* ============================================================
   ENTRYVN RU — CORE STYLES
   Header và footer nằm ở file riêng (header.html / footer.html).
   CSS của chúng cũng nằm trong chính file đó.
   File này chỉ chứa: design tokens + base + các section của trang.
   ============================================================ */

/* --- DESIGN TOKENS (header/footer dùng chung, đừng đổi tên biến) --- */
:root{
  --deep:#062A33; --deep-2:#0A3D48; --sea:#0E6B75; --foam:#7FD4CE;
  --sand:#F6EFE3; --sand-2:#EDE2D0; --paper:#FFFDF9;
  --sun:#F2A93B; --coral:#E4572E;
  --ink:#0B1B20; --ink-soft:#4A6068; --ink-faint:#8AA0A6;
  --tg:#2AABEE; --wa:#25D366;
  --r:18px; --r-lg:26px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Onest",-apple-system,system-ui,sans-serif;background:var(--sand);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:"Unbounded",sans-serif;letter-spacing:-.02em}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 22px}
.eye{font-size:12.5px;font-weight:800;letter-spacing:.1em;color:var(--sea);margin-bottom:12px}
.head{margin-bottom:36px;max-width:660px}
.head h2{font-size:clamp(25px,3.2vw,34px);font-weight:600;line-height:1.32}
.head p{margin-top:13px;color:var(--ink-soft);font-size:16px}
section{padding:72px 0}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:16px;padding:15px 24px;border-radius:13px;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px)}
.btn-tg{background:var(--tg);color:#fff}
.btn-tg:hover{box-shadow:0 10px 26px rgba(42,171,238,.4)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{box-shadow:0 10px 26px rgba(37,211,102,.38)}
.btn-sun{background:var(--sun);color:var(--deep)}
.btn-sun:hover{box-shadow:0 10px 26px rgba(242,169,59,.38)}
.btn-line{border:1.5px solid rgba(246,239,227,.3);color:var(--sand)}
.btn-line:hover{background:rgba(246,239,227,.08)}
.btn-dark{background:var(--deep);color:var(--sand)}

/* --- HERO --- */
.hero{background:var(--deep);color:var(--sand);padding:60px 0 0;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-170px;right:-130px;width:540px;height:540px;border-radius:50%;background:radial-gradient(circle,rgba(242,169,59,.26),transparent 65%)}
.hero-in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:600;letter-spacing:.04em;background:rgba(127,212,206,.14);color:var(--foam);border-radius:999px;padding:7px 15px;margin-bottom:20px}
.hero h1{font-size:clamp(29px,4vw,44px);font-weight:800;line-height:1.24}
.hero h1 em{font-style:normal;color:var(--sun)}
.hero .lead{margin-top:19px;font-size:17px;opacity:.82;max-width:470px}
.hero-btns{display:flex;gap:11px;margin-top:28px;flex-wrap:wrap}
.hero-meta{margin-top:17px;font-size:13px;opacity:.6}

/* --- QUEUE COMPARE (hero visual) --- */
.compare{background:var(--deep-2);border-radius:var(--r-lg);padding:28px;box-shadow:0 30px 70px rgba(0,0,0,.35)}
.compare .ttl{font-size:12.5px;font-weight:600;letter-spacing:.05em;color:var(--foam);margin-bottom:20px}
.crow{margin-bottom:20px}
.crow:last-child{margin-bottom:0}
.crow .lab{display:flex;justify-content:space-between;font-size:14px;margin-bottom:8px}
.crow .lab b{font-weight:600}
.crow .lab span{opacity:.65;font-size:13px}
.cbar{height:32px;border-radius:9px;position:relative;overflow:hidden;background:rgba(246,239,227,.09)}
.cfill{height:100%;border-radius:9px;display:flex;align-items:center;padding-left:13px;font-size:13.5px;font-weight:600;color:#fff}
.cfill.bad{background:linear-gradient(90deg,#E4572E,#C0392B);width:100%}
.cfill.good{background:linear-gradient(90deg,#12A7A0,#0E6B75);width:22%;min-width:88px}
.compare .note{margin-top:20px;padding-top:16px;border-top:1px solid rgba(246,239,227,.12);font-size:13px;opacity:.6}

/* --- SEGMENT ROUTER --- */
.router{background:var(--deep-2);color:var(--sand);margin-top:52px;padding:30px 0}
.router .rt{font-size:13px;font-weight:600;opacity:.6;text-align:center;margin-bottom:18px}
.rgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.rcard{background:rgba(246,239,227,.07);border:1.5px solid transparent;border-radius:14px;padding:18px 16px;text-align:left;transition:all .18s;color:var(--sand);display:block}
.rcard:hover{background:rgba(246,239,227,.13);border-color:var(--foam);transform:translateY(-3px)}
.rcard .ic{font-size:22px;margin-bottom:9px}
.rcard b{display:block;font-size:15px;font-weight:600;margin-bottom:3px}
.rcard span{font-size:12.5px;opacity:.6;line-height:1.45;display:block}

/* --- QUEUE STORY --- */
.story{background:var(--deep);color:var(--sand);border-radius:var(--r-lg);padding:44px 40px}
.story h2{font-size:clamp(23px,3vw,32px);font-weight:600;line-height:1.34;max-width:640px}
.story .body{margin-top:20px;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
.story p{font-size:16px;opacity:.82;margin-bottom:14px}
.story p:last-child{margin-bottom:0}
.story .hl{color:var(--sun);font-weight:600}
.facts{background:rgba(246,239,227,.07);border-radius:var(--r);padding:22px}
.facts .f{display:flex;gap:13px;padding:12px 0;border-bottom:1px solid rgba(246,239,227,.1);font-size:14.5px}
.facts .f:last-child{border:none}
.facts .f i{font-style:normal;flex-shrink:0}

/* --- PACKAGES --- */
.pk{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;align-items:stretch;max-width:720px;margin:0 auto}
.pkc{background:var(--paper);border:1.5px solid var(--sand-2);border-radius:var(--r);padding:26px 24px;display:flex;flex-direction:column;position:relative;transition:transform .2s,box-shadow .2s}
.pkc:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(6,42,51,.1)}
.pkc.best{border-color:var(--sun);border-width:2px;box-shadow:0 14px 36px rgba(242,169,59,.16)}
.pkc .flag{position:absolute;top:-12px;left:24px;background:var(--sun);color:var(--deep);font-size:11.5px;font-weight:800;letter-spacing:.05em;padding:5px 12px;border-radius:7px}
.pkc h3{font-size:18px;font-weight:600;font-family:"Onest"}
.pkc .pr{font-family:"Unbounded";font-size:32px;font-weight:600;color:var(--deep);margin:12px 0 4px}
.pkc .per{font-size:12.5px;color:var(--ink-faint)}
.pkc ul{list-style:none;margin:18px 0;flex:1}
.pkc li{font-size:14.5px;padding:7px 0 7px 20px;text-indent:-20px;display:block;line-height:1.5;color:var(--ink-soft)}
.pkc li b{color:var(--ink);font-weight:600}
.pkc li.no{opacity:.35}
.pkc .go{display:block;text-align:center;padding:13px;border-radius:11px;font-size:15px;font-weight:600;background:var(--sand);color:var(--ink);transition:all .15s}
.pkc.best .go{background:var(--sun);color:var(--deep)}
.pkc .go:hover{transform:translateY(-2px)}

/* --- VIP STRIP --- */
.vip{margin-top:18px;background:var(--deep);color:var(--sand);border-radius:var(--r);padding:26px 28px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.vip .vl{max-width:620px}
.vip .vt{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.06em;background:rgba(242,169,59,.2);color:var(--sun);border-radius:7px;padding:5px 11px;margin-bottom:11px}
.vip h3{font-size:20px;font-weight:600;font-family:"Onest"}
.vip p{margin-top:8px;font-size:14.5px;opacity:.78}
.vip .vr{text-align:right;flex-shrink:0}
.vip .vp{font-family:"Unbounded";font-size:34px;font-weight:600;color:var(--sun);line-height:1}
.vip .vu{font-size:12.5px;opacity:.6;margin-top:5px}

/* --- VISA DIAL --- */
.dial-sec{background:var(--deep);color:var(--sand);border-radius:var(--r-lg);padding:42px 40px;display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.dial-sec h2{font-size:clamp(23px,3vw,31px);font-weight:600;line-height:1.34}
.dial-sec .sub{margin-top:13px;opacity:.75;font-size:15.5px}
.dial{background:var(--deep-2);border-radius:var(--r);padding:28px}
.dial-label{font-size:12.5px;font-weight:600;letter-spacing:.05em;color:var(--foam);opacity:.9}
.dial-num{display:flex;align-items:baseline;gap:11px;margin-top:8px}
.dial-num .n{font-family:"Unbounded";font-size:66px;font-weight:800;line-height:1;color:var(--sand)}
.dial-num .u{font-size:18px;font-weight:600;opacity:.7}
.ruler-track{position:relative;height:40px;margin-top:20px}
.ticks{position:absolute;inset:0;display:flex;gap:2px;align-items:flex-end}
.ticks i{flex:1;background:rgba(246,239,227,.15);border-radius:2px;height:11px;transition:background .2s,height .2s}
.ticks i.on{background:var(--foam);height:24px}
.ticks i.on.t2{background:var(--sun)}
.ticks i.on.t3{background:#E88A4A}
.ticks i.on.t4{background:var(--coral)}
.ticks i.mark{height:32px;background:rgba(246,239,227,.4)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:999px;background:rgba(246,239,227,.2);margin-top:12px;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:var(--sun);border:4px solid var(--deep-2);cursor:grab;box-shadow:0 3px 10px rgba(0,0,0,.35)}
input[type=range]::-moz-range-thumb{width:26px;height:26px;border-radius:50%;background:var(--sun);border:4px solid var(--deep-2);cursor:grab}
.legend{display:flex;justify-content:space-between;font-size:11px;opacity:.45;margin-top:8px}
.verdict{margin-top:20px;border-top:1px solid rgba(246,239,227,.13);padding-top:18px}
.v-tag{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.05em;padding:5px 11px;border-radius:7px;margin-bottom:10px}
.v-tag.t1{background:rgba(127,212,206,.18);color:var(--foam)}
.v-tag.t2{background:rgba(242,169,59,.2);color:var(--sun)}
.v-tag.t3{background:rgba(232,138,74,.22);color:#F0A868}
.v-tag.t4{background:rgba(228,87,46,.22);color:#FF9878}
.verdict h3{font-size:18px;font-weight:600;font-family:"Onest"}
.verdict p{font-size:14.5px;opacity:.72;margin-top:6px}
.verdict .price{margin-top:13px;font-size:14px;font-weight:600;color:var(--sun)}

/* --- LIFE CARDS --- */
.life{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.lc{background:var(--paper);border:1px solid var(--sand-2);border-radius:var(--r);padding:26px 24px;transition:transform .2s,box-shadow .2s}
.lc:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(6,42,51,.09)}
.lc .ic{font-size:25px;margin-bottom:13px}
.lc h3{font-size:17.5px;font-weight:600;font-family:"Onest"}
.lc p{font-size:14.5px;color:var(--ink-soft);margin-top:8px}
.lc .pr{margin-top:16px;padding-top:14px;border-top:1px dashed var(--sand-2);font-size:14.5px;font-weight:600;color:var(--sea)}
.lc .tag{display:inline-block;font-size:11.5px;font-weight:600;background:var(--sand);color:var(--ink-faint);border-radius:7px;padding:4px 10px;margin-top:12px}

/* --- STEPS --- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stp{background:var(--paper);border:1px solid var(--sand-2);border-radius:var(--r);padding:26px 24px}
.stp .n{font-family:"Unbounded";font-size:14.5px;font-weight:800;color:var(--sun);margin-bottom:12px}
.stp h3{font-size:17px;font-weight:600;font-family:"Onest"}
.stp p{font-size:14.5px;color:var(--ink-soft);margin-top:7px}
.stp .t{margin-top:12px;font-size:13px;font-weight:600;color:var(--sea)}

/* --- FAQ --- */
.faq{border-top:1px solid var(--sand-2);max-width:780px}
details{border-bottom:1px solid var(--sand-2)}
summary{list-style:none;display:flex;justify-content:space-between;gap:18px;align-items:center;padding:19px 2px;font-size:16px;font-weight:600;cursor:pointer}
summary::-webkit-details-marker{display:none}
summary .ar{color:var(--ink-faint);transition:transform .2s;flex-shrink:0}
details[open] summary .ar{transform:rotate(180deg)}
details .ans{padding:0 2px 20px;color:var(--ink-soft);font-size:15px;max-width:680px}

/* --- CONTACT --- */
.contact{background:var(--deep);color:var(--sand);border-radius:var(--r-lg);padding:44px 40px;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.contact h2{font-size:clamp(23px,3vw,31px);font-weight:600;line-height:1.35}
.contact p{margin-top:12px;opacity:.75;font-size:15.5px}
.contact .btns{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.nap{background:rgba(246,239,227,.07);border-radius:var(--r);padding:24px}
.nap .row{display:flex;gap:12px;padding:11px 0;font-size:14.5px;border-bottom:1px solid rgba(246,239,227,.1)}
.nap .row:last-child{border:none}
.nap .row .k{opacity:.55;width:112px;flex-shrink:0;font-size:13.5px}
.nap .row .v{font-weight:500}

/* --- FLOAT --- */
.float{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;gap:10px}
.fbtn{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;font-size:22px;color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.22);transition:transform .15s}
.fbtn:hover{transform:scale(1.08)}
.fbtn.tg{background:var(--tg)}
.fbtn.wa{background:var(--wa)}

@media (max-width:920px){
  .hero-in,.dial-sec,.contact,.story .body{grid-template-columns:1fr;gap:32px}
  .rgrid{grid-template-columns:repeat(2,1fr)}
  .pk,.life,.steps{grid-template-columns:1fr}
  section{padding:52px 0}
  .story,.dial-sec,.contact{padding:32px 24px}
  .dial-num .n{font-size:56px}
  .vip{flex-direction:column;align-items:flex-start}
  .vip .vr{text-align:left}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* --- bo sung cho trang con --- */
.page-hero{background:var(--deep);color:var(--sand);padding:64px 0 56px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(242,169,59,.24),transparent 65%)}
.page-hero .wrap{position:relative}
.crumb{font-size:13px;opacity:.55;margin-bottom:14px}
.crumb a:hover{color:var(--foam)}
.page-hero h1{font-size:clamp(27px,3.8vw,42px);font-weight:800;line-height:1.24;max-width:820px;color:var(--sand)}
.page-hero .lead{margin-top:18px;font-size:17px;opacity:.82;max-width:640px}
.page-hero .hero-btns{margin-top:26px}
.prose{max-width:760px}
.prose h2{font-size:clamp(21px,2.6vw,28px);font-weight:600;margin:44px 0 14px;letter-spacing:-.02em;color:var(--ink)}
.prose h3{font-family:"Onest",sans-serif;font-size:18px;font-weight:600;margin:28px 0 10px;color:var(--ink)}
.prose p{margin-bottom:15px;color:var(--ink-soft)}
.prose ul,.prose ol{margin:0 0 18px 22px;color:var(--ink-soft)}
.prose li{margin-bottom:8px}
.prose strong{color:var(--ink)}
.prose a{color:var(--sea);font-weight:500}
.note{background:var(--paper);border:1px solid var(--sand-2);border-left:4px solid var(--sun);border-radius:0 var(--r) var(--r) 0;padding:18px 20px;margin:22px 0;font-size:15.5px;color:var(--ink-soft)}
.note.ok{border-left-color:var(--sea)}
.note.bad{border-left-color:var(--coral)}
.note strong{color:var(--ink)}
.tbl{max-width:100%;overflow-x:auto;border:1px solid var(--sand-2);border-radius:var(--r);margin:22px 0;background:var(--paper)}
table{width:100%;min-width:380px;border-collapse:collapse;font-size:15px}
th{background:var(--deep);color:var(--sand);text-align:left;padding:13px 15px;font-weight:600}
td{padding:12px 15px;border-top:1px solid var(--sand-2);color:var(--ink-soft);vertical-align:top}
td strong{color:var(--ink)}
tr:nth-child(even) td{background:rgba(246,239,227,.45)}
.upd{font-size:13.5px;color:var(--ink-faint);border-top:1px solid var(--sand-2);padding-top:18px;margin-top:38px;line-height:1.6}
.stp{margin-bottom:14px}
@media(max-width:920px){.page-hero{padding:44px 0 40px}}

/* --- Nut cuon len dau trang (truoc day dung CSS cua Astra) --- */
#ast-scroll-top{position:fixed;bottom:20px;left:20px;z-index:99;width:40px;height:40px;
  border-radius:10px;background:var(--deep);color:var(--sand);display:none;
  align-items:center;justify-content:center;cursor:pointer;border:none;
  box-shadow:0 6px 18px rgba(6,42,51,.22);transition:transform .15s}
#ast-scroll-top:hover{transform:translateY(-2px)}
#ast-scroll-top svg{width:16px;height:16px;fill:currentColor}
@media (max-width:560px){#ast-scroll-top{left:14px;bottom:14px}}