/* VIGO Academy — CSS nền dùng chung cho mọi trang (tokens, reset, nút, header, footer).
   Trích từ bộ giao diện tĩnh gốc. Các trang có template riêng nạp thêm CSS đặc thù của trang. */

:root{
  --ink:#0F2A47; --ink-deep:#0A1D33; --ink-mid:#16457A;
  --amber:#EF9F27; --amber-deep:#BA7517; --amber-soft:#FDF2DF;
  --teal:#1D9E75; --teal-soft:#E4F4EE; --teal-deep:#0F6E56;
  --sand:#F6F4EF; --paper:#FFFFFF;
  --line:#E4E1D9; --line-soft:#EFEDE7;
  --tx:#152234; --tx-2:#5C6877; --tx-3:#8B94A0;
  --r:10px; --r-lg:16px; --wrap:1340px; --gut:24px;
  --grad-ink:linear-gradient(135deg,#08182A 0%,#123A5F 52%,#1B5680 100%);
  --grad-ink-soft:linear-gradient(140deg,#0F2A47 0%,#16456F 100%);
  --grad-amber:linear-gradient(135deg,#F8B443 0%,#EF9F27 48%,#DB8214 100%);
  --grad-amber-hov:linear-gradient(135deg,#FCC259 0%,#F4A833 48%,#E4901D 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;background:var(--paper);color:var(--tx);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;text-align:left}
:focus-visible{outline:2.5px solid var(--amber);outline-offset:3px;border-radius:4px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-9999px;background:var(--ink);color:#fff;padding:12px 20px;z-index:200}
.skip:focus{left:0;top:0}

.eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--amber-deep);display:flex;align-items:center;gap:10px;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad-amber);flex:none}
.eyebrow.on-dark{color:var(--amber)}
h1,h2,h3{line-height:1.15;letter-spacing:-.025em;font-weight:600}
.h-display{font-size:clamp(2.45rem,5.4vw,4.35rem);line-height:1.02;letter-spacing:-.042em;font-weight:700}
.h-sec{font-size:clamp(1.7rem,3.5vw,2.65rem);letter-spacing:-.032em}
.lede{font-size:clamp(1.03rem,1.55vw,1.19rem);color:var(--tx-2);line-height:1.72;max-width:54ch}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:16px 30px;border-radius:var(--r);font-weight:600;font-size:1rem;letter-spacing:-.01em;transition:transform .15s,background .2s,border-color .2s}
.btn:active{transform:translateY(1px)}
.btn-amber{background:var(--grad-amber);color:#3A2402;box-shadow:0 1px 0 var(--amber-deep)}
.btn-amber:hover{background:var(--grad-amber-hov)}
.btn-ink{background:var(--grad-ink-soft);color:#fff}
.btn-ink:hover{background:linear-gradient(140deg,#16456F 0%,#1D5B8C 100%)}
.btn-line{border:1.5px solid var(--line);color:var(--tx);background:var(--paper)}
.btn-line:hover{border-color:var(--ink);background:var(--sand)}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,.28);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.1)}
.btn-sm{padding:11px 20px;font-size:.9rem}

.announce{background:var(--ink-deep);color:#D9E3EF;font-size:.83rem;padding:11px 0;overflow:hidden}
.mq{display:flex;width:max-content;animation:mq 42s linear infinite}
.announce:hover .mq{animation-play-state:paused}
.mq-set{display:flex;align-items:center;gap:34px;padding-right:34px;white-space:nowrap}
.mq b{color:var(--amber);font-weight:600}
.mq i{color:var(--amber);font-style:normal;opacity:.7}
.mq a{text-decoration:underline;text-underline-offset:3px}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.hdr{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.hdr .wrap{display:flex;align-items:center;gap:18px;height:82px}
.logo{display:flex;align-items:center;gap:11px;font-weight:700;font-size:1.32rem;letter-spacing:-.04em;color:var(--ink);flex:none}
.logo-mark{width:36px;height:36px;border-radius:9px;background:var(--grad-ink-soft);display:grid;place-items:center;flex:none;position:relative;overflow:hidden}
.logo-mark::after{content:"";position:absolute;inset:auto 0 0 0;height:11px;background:var(--grad-amber)}
.logo-mark span{color:#fff;font-size:1.05rem;font-weight:700;z-index:1;letter-spacing:-.05em;line-height:1}
.logo em{font-style:normal;font-weight:400;color:var(--tx-2);font-size:1.02rem}
/* Logo ảnh (Custom Logo hoặc file assets/img/logo.*) */
.vigo-logo{display:flex;align-items:center;flex:none}
.vigo-logo .custom-logo-link{display:flex;align-items:center;line-height:0}
.logo-img{line-height:0}
.hdr .vigo-logo img,.hdr .logo-img img{height:58px;width:auto;max-width:230px;object-fit:contain;display:block}
.ft .vigo-logo img,.ft .logo-img img{height:54px;width:auto;max-width:220px;object-fit:contain;display:block;margin-bottom:16px}
@media(max-width:520px){.hdr .vigo-logo img,.hdr .logo-img img{height:46px}}

/* Logo chữ — tile "V" + wordmark "VIGO Academy" (Phương án 1) */
.logo-lockup{gap:12px}
.logo-lockup .logo-mark{width:42px;height:42px;border-radius:11px}
.logo-lockup .logo-mark::after{height:12px}
.logo-lockup .logo-mark span{font-size:1.24rem}
.logo-lockup .wm{font-size:1.5rem;font-weight:800;letter-spacing:-.045em;line-height:1}
.logo-lockup .wm em{font-style:normal;font-weight:400;color:var(--tx-2);margin-left:.3em}
.ft .logo-lockup{margin-bottom:16px}
.ft .logo-lockup .wm em{color:#8FA2B7}
@media(max-width:520px){.logo-lockup .wm{font-size:1.28rem}.logo-lockup .logo-mark{width:38px;height:38px}}

.nav{display:flex;align-items:center;gap:6px;margin:0 auto}
.nav a{padding:10px 15px;border-radius:8px;font-size:.97rem;font-weight:500;white-space:nowrap}
.nav a:hover{background:var(--sand)}
.nav a.on{color:var(--amber-deep)}
.hdr-actions{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{width:42px;height:42px;border-radius:9px;display:grid;place-items:center;color:var(--tx-2);position:relative}
.icon-btn:hover{background:var(--sand);color:var(--ink)}
.cart-dot{position:absolute;top:5px;right:5px;width:15px;height:15px;border-radius:50%;background:var(--amber);color:#3A2402;font-size:.6rem;font-weight:700;display:grid;place-items:center;line-height:1}
.hdr-login{font-size:.92rem;font-weight:500;padding:9px 12px;border-radius:8px}
.hdr-login:hover{background:var(--sand)}
.burger{display:none}
@media(max-width:1120px){.nav,.hdr-login{display:none}.burger{display:grid;place-items:center;width:38px;height:38px;border-radius:9px}.burger:hover{background:var(--sand)}}
.mnav{display:none;border-top:1px solid var(--line-soft);background:var(--paper);padding:10px 0 18px}
.mnav.open{display:block}
.mnav a{display:block;padding:12px 20px;font-weight:500;border-bottom:1px solid var(--line-soft)}
.mnav .m-cta{padding:16px 20px 0;display:flex;gap:10px}
.mnav .m-cta .btn{flex:1}

/* Dropdown menu (desktop) */
.nav-item{position:relative;display:flex;align-items:center}
.nav .nav-item>a{display:inline-flex;align-items:center;gap:5px}
.nav .cx{transition:transform .2s;flex:none;margin-top:1px}
.nav-item:hover .cx,.nav-item:focus-within .cx{transform:rotate(180deg)}
.drop{position:absolute;top:100%;left:0;min-width:238px;background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 4px rgba(15,42,71,.05),0 24px 48px -24px rgba(15,42,71,.45);padding:8px;display:flex;flex-direction:column;gap:2px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s,transform .18s,visibility .18s;z-index:120}
.nav-item:hover .drop,.nav-item:focus-within .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:block;padding:9px 12px;border-radius:8px;font-size:.92rem;font-weight:500;white-space:normal;line-height:1.4}
.drop a:hover{background:var(--sand)}
.drop a b{font-weight:600;color:var(--ink)}

/* Dropdown (mobile — dùng thẻ details/summary) */
.mnav .m-group{border-bottom:1px solid var(--line-soft)}
.mnav summary{padding:12px 20px;font-weight:500;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.mnav summary::-webkit-details-marker{display:none}
.mnav summary::after{content:"";width:8px;height:8px;border-right:2px solid var(--tx-3);border-bottom:2px solid var(--tx-3);transform:rotate(45deg);transition:transform .2s}
.mnav .m-group[open] summary::after{transform:rotate(-135deg)}
.mnav .m-group a{padding-left:34px;font-weight:400;font-size:.95rem;color:var(--tx-2)}

.ft{background:linear-gradient(180deg,#0A1D33 0%,#0C2440 100%);color:#B7C5D5;font-size:.91rem;padding:72px 0 0}
.ft .wrap{max-width:var(--wrap)}
.ft-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:50px}
.ft .logo{color:#fff;margin-bottom:16px}
.ft .logo em{color:#8FA2B7}
.ft-about{line-height:1.75;max-width:38ch}
.ft h4{color:#fff;font-size:.9rem;font-weight:600;margin-bottom:14px}
.ft ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.ft a:hover{color:var(--amber)}
.ft-legal{border-top:1px solid rgba(255,255,255,.11);padding:24px 0 40px;font-size:.8rem;line-height:1.8;color:#8FA2B7}
.ft-legal .moit{display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:7px 12px;border:1px solid rgba(255,255,255,.18);border-radius:6px;font-size:.75rem}
.ft-pay{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.pay-slot{padding:6px 12px;border:1px solid rgba(255,255,255,.16);border-radius:6px;font-size:.72rem}
@media(max-width:860px){.ft-top{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:520px){.ft-top{grid-template-columns:1fr}}

/* Banner đồng ý cookie */
.vg-consent{position:fixed;left:0;right:0;bottom:0;z-index:400;background:var(--ink-deep);color:#D9E3EF;box-shadow:0 -8px 30px -12px rgba(0,0,0,.4)}
.vg-consent[hidden]{display:none}
.vg-consent-in{display:flex;align-items:center;gap:20px;padding:16px var(--gut);flex-wrap:wrap;justify-content:space-between}
.vg-consent p{font-size:.9rem;line-height:1.6;max-width:70ch;margin:0}
.vg-consent a{color:var(--amber);text-decoration:underline;text-underline-offset:3px}
.vg-consent-btn{display:flex;gap:10px;flex:none}
.vg-consent .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.vg-consent .btn-line:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
@media(max-width:600px){.vg-consent-in{justify-content:stretch}.vg-consent-btn{width:100%}.vg-consent-btn .btn{flex:1;justify-content:center}}

@media(prefers-reduced-motion:reduce){.mq{width:100%;justify-content:center}*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}