/* IE Academy — giao diện chung cho các trang mới (Trang chủ, Khoá học, Thời khoá biểu, Đăng ký).
   Màu theo website Infinite Essence: nâu #5A3206, vàng đồng #C08A4A / #B8862E, nền kem #FAF6F1. */
:root{
  --bg:#FFFFFF; --panel:#FAF6F1; --panel-2:#F3E6D6;
  --brown:#5A3206; --brown-2:#75482D; --gold:#B8862E; --gold-2:#C08A4A; --gold-soft:#F3E6D6;
  --ink:#2F2A26; --muted:#6E655D; --line:#E8DED3; --white:#FFFFFF;
  --ok:rgb(47,122,74); --live:#C0392B;
  --font-sans:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  --font-serif:'Lora',Georgia,'Times New Roman',serif;
  --r:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--font-sans);line-height:1.6;-webkit-font-smoothing:antialiased}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}
h1,h2,h3{font-family:var(--font-serif);font-weight:700;letter-spacing:-.01em;color:var(--brown);line-height:1.25}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
@media (max-width:600px){.wrap{padding:0 16px}}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------- đầu trang (site-menu.js dựng menu) ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav.wrap{display:flex;align-items:center;justify-content:space-between;height:78px;gap:14px 24px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:52px;height:52px;flex-shrink:0}
.brand-mark img{width:100%;height:100%;object-fit:contain}
.brand-name{font-size:15.5px;font-weight:700;color:var(--brown);letter-spacing:.04em;line-height:1.15;white-space:nowrap}
.brand-name small{display:block;font-size:10.5px;letter-spacing:.32em;font-weight:600;color:var(--gold)}
.nav-links{display:flex;gap:26px;font-size:14.5px;font-weight:500}
@media (max-width:960px){.nav-links{display:none}}

/* ---------- nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 24px;border-radius:999px;font:600 15px/1.2 var(--font-sans);border:1.5px solid transparent;cursor:pointer;transition:background .2s,transform .2s,color .2s,border-color .2s;text-align:center}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brown);color:#fff}
.btn-primary:hover{background:var(--gold)}
.btn-ghost{background:transparent;color:var(--brown);border-color:var(--brown)}
.btn-ghost:hover{background:var(--gold-soft)}
.btn-light{background:#fff;color:var(--brown)}
.btn-light:hover{background:var(--gold-soft)}
.btn-sm{min-height:40px;padding:8px 16px;font-size:14px}
.btn[disabled]{opacity:.6;cursor:wait;transform:none}

/* ---------- khối chung ---------- */
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
.section{padding:72px 0}
.section-sm{padding:48px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(26px,3.4vw,36px);margin:8px 0 10px}
.section-head p{color:var(--muted);font-size:16.5px}
.panel{background:var(--panel)}
.crumbs{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.crumbs a:hover{color:var(--gold)}
.page-hero{background:linear-gradient(135deg,#5A3206 0%,#75482D 60%,#8A5A36 100%);color:#fff;padding:52px 0 46px;position:relative;overflow:hidden}
.page-hero h1{color:#fff;font-size:clamp(28px,4vw,42px);margin-bottom:10px}
.page-hero p{color:rgba(255,255,255,.88);font-size:17px;max-width:680px}
.page-hero .crumbs,.page-hero .crumbs a{color:rgba(255,255,255,.75)}
.note{font-size:13.5px;color:var(--muted)}

/* ---------- thẻ khoá học ---------- */
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.ccard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:box-shadow .2s,transform .2s}
.ccard:hover{box-shadow:0 22px 40px -28px rgba(90,50,6,.45);transform:translateY(-2px)}
.ccard .cimg{position:relative;aspect-ratio:16/9;background:var(--panel-2)}
.ccard .cimg img{width:100%;height:100%;object-fit:cover}
.ccard .ctag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.95);color:var(--brown);font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px}
.ccard .ctag.hot{background:var(--gold);color:#fff}
.ccard .cbody{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.ccard .ctopic{font-size:12.5px;font-weight:600;color:var(--gold);text-transform:uppercase;letter-spacing:.06em}
.ccard h3{font-size:19px}
.ccard .cdesc{font-size:14.5px;color:var(--muted);flex:1}
.ccard .cmeta{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--muted)}
.ccard .cnext{font-size:13.5px;color:var(--brown-2);background:var(--panel);border-radius:10px;padding:8px 10px}
.ccard .cprice{display:flex;align-items:baseline;gap:10px;margin-top:4px}
.ccard .cprice b{font-size:20px;color:var(--brown)}
.ccard .cprice s{font-size:14px;color:#A89A8C}
.ccard .cprice .free{font-size:18px;color:var(--ok);font-weight:700}
.ccard .cact{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.ccard .cact .btn{flex:1;min-width:120px}

/* bộ lọc dạng nút */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.chips button{border:1.5px solid var(--line);background:#fff;color:var(--ink);padding:9px 16px;border-radius:999px;font:500 14px var(--font-sans);cursor:pointer;min-height:42px}
.chips button.on{background:var(--brown);border-color:var(--brown);color:#fff}

/* ---------- danh sách sự kiện (dùng ở trang chủ + thời khoá biểu) ---------- */
.ev-list{display:flex;flex-direction:column;gap:12px}
.ev{display:grid;grid-template-columns:84px 1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 18px}
.ev .ev-date{text-align:center;background:var(--panel);border-radius:12px;padding:8px 4px;line-height:1.2}
.ev .ev-date b{display:block;font-size:24px;color:var(--brown);font-family:var(--font-serif)}
.ev .ev-date span{font-size:12.5px;color:var(--muted);font-weight:600}
.ev h3{font-size:16.5px;font-family:var(--font-sans);font-weight:700;color:var(--ink);margin-bottom:4px}
.ev .ev-meta{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:13.5px;color:var(--muted)}
.ev .ev-type{font-weight:700;color:var(--gold)}
.ev .ev-type.workshop{color:rgb(47,122,74)}
.ev .ev-type.buoi-hoc{color:var(--brown-2)}
.ev .ev-type.han{color:var(--live)}
.ev .ev-live{color:var(--live);font-weight:700}
.ev.past{opacity:.55}
@media (max-width:640px){.ev{grid-template-columns:64px 1fr;padding:12px}.ev .ev-act{grid-column:1/-1}.ev .ev-act .btn{width:100%}.ev .ev-date b{font-size:20px}}

/* ---------- chân trang ---------- */
footer.site-foot{padding:52px 0 28px;border-top:1px solid var(--line);background:var(--panel);margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px}
.foot-grid h4{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--brown);margin-bottom:12px}
.foot-grid a,.foot-grid p{display:block;font-size:14px;color:var(--muted);margin-bottom:8px}
.foot-grid a:hover{color:var(--gold)}
.foot-tag{font-size:12.5px;letter-spacing:.14em;color:var(--gold);font-weight:700;margin:6px 0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;color:#8F8478;border-top:1px solid var(--line);padding-top:18px}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}

/* nút liên hệ nổi */
.float-contact{position:fixed;right:20px;bottom:24px;z-index:72;display:flex;flex-direction:column;gap:10px}
.fc-btn{width:46px;height:46px;border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px -10px rgba(40,25,10,.5);opacity:.8}
.fc-btn:hover{opacity:1}
.fc-zalo{background:#0068FF;font-size:12px;font-weight:700}
.fc-call{background:var(--brown)}

/* form */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field label small{font-weight:400;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;min-height:48px;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;font:16px var(--font-sans);color:var(--ink);background:#fff}
.field textarea{min-height:88px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);outline:none}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin-bottom:12px}
.check input{width:20px;height:20px;margin-top:2px;accent-color:var(--brown);flex-shrink:0}
.msg-err{background:#FBEAE8;color:#8A2A1E;border-radius:12px;padding:10px 14px;font-size:14.5px;margin-bottom:12px}
.msg-ok{background:rgb(234,245,236);color:rgb(36,92,55);border-radius:12px;padding:10px 14px;font-size:14.5px;margin-bottom:12px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- lộ trình theo bước + dòng khoá học gọn ---------- */
.step-block{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;margin-bottom:20px;scroll-margin-top:96px}
.step-hd{display:flex;gap:14px;align-items:center}
.step-no{flex-shrink:0;width:44px;height:44px;border-radius:50%;background:var(--brown);color:#fff;font:700 19px var(--font-serif);display:flex;align-items:center;justify-content:center}
.step-hd h2{font-size:22px;margin:0}
.step-who{font-size:14px;color:var(--gold);font-weight:600}
.step-tip{color:var(--muted);font-size:15px;margin:10px 0 14px}
.crow-list{display:flex;flex-direction:column;gap:10px}
.crow{display:grid;grid-template-columns:88px 1fr auto;gap:16px;align-items:center;border:1px solid var(--line);border-radius:16px;padding:10px 14px 10px 10px;background:#fff}
.crow.feat{border:2px solid var(--gold);background:#FFFCF7}
.crow-img img{width:88px;height:66px;object-fit:cover;border-radius:10px}
.crow-mid{min-width:0}
.crow h3{font:700 16.5px/1.35 var(--font-sans);color:var(--ink);margin:0 0 3px}
.crow h3 a:hover{color:var(--gold)}
.crow-badge{display:inline-block;margin-left:8px;background:var(--gold);color:#fff;font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:999px;vertical-align:2px}
.crow-meta{font-size:13.5px;color:var(--muted)}
.crow-desc{font-size:14px;color:var(--muted);margin-top:4px}
.crow-end{display:flex;align-items:center;gap:14px;justify-content:flex-end}
.crow-price{text-align:right;line-height:1.25;white-space:nowrap}
.crow-price b{display:block;font-size:17px;color:var(--brown)}
.crow-price b.free{color:var(--ok)}
.crow-price s{font-size:13px;color:#A89A8C}
.crow-more{font-size:14px;font-weight:600;color:var(--brown);white-space:nowrap}
.crow .btn{min-width:104px}
@media (max-width:640px){
  .step-block{padding:18px 14px}
  .crow{grid-template-columns:64px 1fr;gap:12px;padding:10px}
  .crow-img img{width:64px;height:56px}
  .crow-end{grid-column:1/-1;justify-content:space-between;flex-wrap:wrap;gap:8px}
  .crow-desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .crow-price{text-align:left}
  .crow-price b,.crow-price s{display:inline;margin-right:8px}
}
/* chọn nhanh "Bạn đang ở đâu?" */
.pick{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:26px}
.pick a{display:block;background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:16px;transition:border-color .2s,transform .2s}
.pick a:hover{border-color:var(--gold);transform:translateY(-2px)}
.pick b{display:block;color:var(--brown);font-size:15.5px;margin-bottom:4px}
.pick span{font-size:13.5px;color:var(--muted)}
.pick em{display:block;font-style:normal;color:var(--gold);font-weight:700;font-size:13px;margin-top:8px}
@media (max-width:760px){.pick{grid-template-columns:1fr}}
/* trang chủ: 3 bước */
.path{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.path-card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px}
.path-card.main{border:2px solid var(--gold);box-shadow:0 26px 50px -36px rgba(90,50,6,.55)}
.path-top{display:flex;align-items:center;gap:10px}
.path-top .step-no{width:36px;height:36px;font-size:16px}
.path-who{font-size:13px;font-weight:600;color:var(--gold);line-height:1.35}
.path-card h3{font-size:21px;margin-top:4px}
.path-card p{color:var(--muted);font-size:14.5px}
.path-card .path-when{color:var(--brown-2);background:var(--panel);border-radius:10px;padding:7px 10px;font-size:13.5px}
.path-price{margin-top:auto;padding-top:6px}
.path-price b{font-size:22px;color:var(--brown);font-family:var(--font-serif);margin-right:8px}
.path-price b.free{color:var(--ok)}
.path-price s{color:#A89A8C;font-size:14px}
.path-more{font-size:13.5px;color:var(--brown);text-align:center;text-decoration:underline;text-underline-offset:3px}
@media (max-width:860px){.path{grid-template-columns:1fr}}