/* ============================================================
   TIẾNG TRUNG XIAOWEI — SHARED DESIGN SYSTEM (main.css)
   Dùng chung cho toàn bộ các trang của website.
   ============================================================ */
:root{
  --purple:#7352B6; --purple-dark:#513783; --purple-2:#9270C7;
  --lavender:#F4EEFC; --bg:#FBF9FF; --pink:#DC62AB; --pink-soft:#F9D9ED;
  --orange:#F8A922; --yellow:#FFF3CE; --text:#2D2445; --text-2:#706681;
  --border:#DED3EE; --white:#FFFFFF;
  --r-card:24px; --r-container:30px; --r-btn:15px; --r-input:13px; --r-chip:12px;
  --shadow:0 10px 35px rgba(81,55,131,.08); --shadow-hover:0 18px 46px rgba(81,55,131,.14);
  --font-head:"Poppins",system-ui,sans-serif; --font-body:"Inter",system-ui,sans-serif; --font-han:"Noto Serif SC",serif;
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--text);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
h1,h2,h3,h4,h5{font-family:var(--font-head);line-height:1.14;color:var(--text)}
.hero-lead h1,.hpath h3,.flow-step b{font-family:var(--font-head)!important;font-synthesis:none}
.han{font-family:var(--font-han)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.ic{width:20px;height:20px;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;fill:none;flex:none}
.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;pointer-events:none;z-index:0}
.center{text-align:center}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--font-head);font-weight:600;font-size:15.5px;padding:13px 26px;border:none;border-radius:var(--r-btn);cursor:pointer;transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;white-space:nowrap}
.btn:active{transform:translateY(0) scale(.98)}
.btn-primary{background:var(--purple);color:#fff;box-shadow:0 8px 20px rgba(115,82,182,.28)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(115,82,182,.34)}
.btn-pink{background:var(--pink);color:#fff;box-shadow:0 8px 20px rgba(220,98,171,.26)}
.btn-pink:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(220,98,171,.32)}
.btn-orange{background:var(--orange);color:#5a3c00;box-shadow:0 8px 20px rgba(248,169,34,.28)}
.btn-orange:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(248,169,34,.34)}
.btn-ghost{background:var(--white);color:var(--purple);border:1.6px solid var(--purple)}
.btn-ghost:hover{background:var(--purple);color:#fff;transform:translateY(-3px)}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-full{width:100%}
.btn-sm{padding:10px 18px;font-size:14px}

/* ---------- NAV ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(251,249,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:44px;max-width:1320px;height:74px}
.logo{display:flex;align-items:center;gap:11px;flex:none;font-family:var(--font-head);font-weight:800;font-size:19px;letter-spacing:-.01em}
.logo .mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--purple),var(--pink));display:grid;place-items:center;color:#fff;font-family:var(--font-han);font-weight:900;font-size:22px;box-shadow:0 6px 16px rgba(115,82,182,.3)}
.logo span b{display:block;color:var(--purple-dark)}
.logo span small{display:block;font-family:var(--font-body);font-weight:500;font-size:10.5px;color:var(--text-2);letter-spacing:.16em;text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:auto;font-weight:500;font-size:15px}
.nav-menu a,.nav-menu button{white-space:nowrap}
.nav-menu a.link{color:var(--text-2);transition:color .2s;position:relative}
.nav-menu a.link:hover,.nav-menu a.link.active{color:var(--purple)}
.nav-menu a.link::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--pink);transition:width .25s;border-radius:2px}
.nav-menu a.link:hover::after,.nav-menu a.link.active::after{width:100%}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--purple-dark);padding:6px}
.nav-toggle .ic{width:26px;height:26px}

/* ---------- SECTION SHARED ---------- */
section{position:relative;padding:96px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--lavender);color:var(--purple);font-family:var(--font-head);font-weight:600;font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;padding:7px 15px;border-radius:var(--r-chip);border:1px solid var(--border)}
.sec-head{max-width:660px;margin:0 auto 56px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}
.sec-title{font-weight:800;font-size:clamp(28px,3.8vw,42px);letter-spacing:-.02em;margin-top:18px;color:var(--purple-dark)}
.sec-title .accent{color:var(--pink)}
.sec-title .han{color:var(--purple);font-weight:900}
.sec-desc{margin-top:15px;color:var(--text-2);font-size:17px}
.sec-cta{text-align:center;margin-top:44px}

/* ---------- PAGE HERO (sub pages) ---------- */
.page-hero{position:relative;padding:56px 0 40px;overflow:hidden}
.page-hero .blob.pb1{width:360px;height:360px;background:var(--pink-soft);top:-140px;left:-90px}
.page-hero .blob.pb2{width:300px;height:300px;background:var(--lavender);bottom:-160px;right:-70px;opacity:.8}
.breadcrumb{position:relative;z-index:2;display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--purple)}
.breadcrumb .sep{color:var(--border)}
.breadcrumb .cur{color:var(--purple);font-weight:600}
.page-hero h1{position:relative;z-index:2;font-weight:800;font-size:clamp(30px,4.4vw,48px);letter-spacing:-.025em;color:var(--purple-dark)}
.page-hero h1 .accent{color:var(--pink)}
.page-hero p.lead{position:relative;z-index:2;margin-top:14px;color:var(--text-2);font-size:18px;max-width:44em}

/* ---------- HERO (home) ---------- */
#hero{padding:72px 0 88px}
#hero .blob.b1{width:420px;height:420px;background:var(--pink-soft);top:-120px;left:-100px}
#hero .blob.b2{width:360px;height:360px;background:var(--lavender);bottom:-140px;right:-80px;opacity:.8}
#hero .blob.b3{width:200px;height:200px;background:var(--yellow);top:40%;left:44%;opacity:.55}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero-label{display:inline-flex;align-items:center;gap:9px;background:var(--white);border:1px solid var(--border);box-shadow:var(--shadow);color:var(--purple-dark);font-family:var(--font-head);font-weight:600;font-size:13.5px;padding:9px 17px;border-radius:999px;margin-bottom:24px}
.hero-label .ic{width:17px;height:17px;color:var(--pink)}
#hero h1{font-weight:800;font-size:clamp(36px,5vw,56px);letter-spacing:-.03em;color:var(--purple-dark)}
#hero h1 .accent{color:var(--pink)} #hero h1 .p{color:var(--purple)}
.hero-sub{font-size:18px;color:var(--text-2);max-width:31em;margin:22px 0 32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{display:flex;align-items:center;gap:10px;margin-top:24px;color:var(--text-2);font-size:14.5px}
.hero-note .ic{color:var(--purple);width:18px;height:18px}
.hero-card{position:relative;background:var(--white);border:1px solid var(--border);border-radius:28px;box-shadow:var(--shadow);padding:30px}
.hc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.hc-top .t{font-family:var(--font-head);font-weight:700;font-size:16px;color:var(--purple-dark)}
.hc-top .pill{font-family:var(--font-head);font-weight:600;font-size:12px;color:var(--pink);background:var(--pink-soft);padding:6px 12px;border-radius:999px}
.ladder{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.rung{display:flex;align-items:center;gap:14px;background:var(--bg);border:1px solid var(--border);border-radius:15px;padding:11px 14px}
.rung .lvl{width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;font-family:var(--font-head);font-weight:800;font-size:13px;color:#fff;text-align:center;line-height:1}
.rung .desc{font-size:13.5px;color:var(--text-2);font-weight:500}
.rung .desc b{display:block;font-family:var(--font-head);color:var(--text);font-size:14.5px;font-weight:600}
.rung:nth-child(1) .lvl{background:var(--purple)} .rung:nth-child(2) .lvl{background:var(--purple-2)}
.rung:nth-child(3) .lvl{background:var(--pink)} .rung:nth-child(4) .lvl{background:var(--orange);color:#5a3c00}
.hc-chips{display:flex;flex-wrap:wrap;gap:9px}
.hc-chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;font-family:var(--font-head);padding:8px 13px;border-radius:11px}
.hc-chip .ic{width:15px;height:15px}
.chip-p{background:var(--lavender);color:var(--purple)} .chip-k{background:var(--pink-soft);color:var(--pink)} .chip-o{background:var(--yellow);color:#8a5c00}

/* ---------- STATS ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;z-index:2}
.stat{background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);padding:28px 24px;text-align:center;transition:transform .2s ease, box-shadow .2s ease}
.stat:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.stat .ico{width:52px;height:52px;margin:0 auto 14px;border-radius:15px;display:grid;place-items:center;background:var(--lavender);color:var(--purple)}
.stat:nth-child(2) .ico{background:var(--pink-soft);color:var(--pink)}
.stat:nth-child(3) .ico{background:var(--yellow);color:var(--orange)}
.stat:nth-child(4) .ico{background:var(--lavender);color:var(--purple-2)}
.stat .num{font-family:var(--font-head);font-weight:800;font-size:38px;color:var(--purple-dark);line-height:1}
.stat .lbl{font-size:14.5px;color:var(--text-2);margin-top:6px;font-weight:500}

/* ---------- INTRO (home) ---------- */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.intro-copy h2{font-weight:800;font-size:clamp(26px,3.4vw,38px);color:var(--purple-dark);letter-spacing:-.02em;margin:16px 0 14px}
.intro-copy p{color:var(--text-2);font-size:16.5px;margin-bottom:14px}
.intro-points{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.intro-point{display:flex;gap:12px;align-items:flex-start}
.intro-point .ic{width:22px;height:22px;color:var(--pink);margin-top:2px}
.intro-point b{font-family:var(--font-head);color:var(--text);font-size:15.5px}
.intro-point span{color:var(--text-2);font-size:14.5px}
.intro-visual{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.intro-visual .iv{background:var(--white);border:1px solid var(--border);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.intro-visual .iv .n{font-family:var(--font-head);font-weight:800;font-size:30px;color:var(--purple)}
.intro-visual .iv:nth-child(2) .n{color:var(--pink)} .intro-visual .iv:nth-child(3) .n{color:var(--orange)} .intro-visual .iv:nth-child(4) .n{color:var(--purple-2)}
.intro-visual .iv p{color:var(--text-2);font-size:13.5px;margin-top:4px}

/* ---------- COURSE CARDS (detailed, home + list) ---------- */
.bg-lavender{background:var(--lavender)}
.course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:26px;position:relative;z-index:2}
.course{--accent:var(--purple);--accent-soft:var(--lavender);background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .22s ease, box-shadow .22s ease}
.course:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.course.pink{--accent:var(--pink);--accent-soft:var(--pink-soft)}
.course.orange{--accent:var(--orange);--accent-soft:var(--yellow)}
.course-head{background:var(--accent);padding:22px 24px 20px;color:#fff;position:relative}
.course.orange .course-head{color:#5a3c00}
.course-badge{display:inline-block;background:rgba(255,255,255,.22);font-family:var(--font-head);font-weight:700;font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:999px;margin-bottom:12px}
.course.orange .course-badge{background:rgba(90,60,0,.14)}
.course-head h3{color:inherit;font-weight:800;font-size:22px;letter-spacing:-.01em}
.course-head .subj{font-family:var(--font-body);font-size:13px;opacity:.92;margin-top:4px}
.course-tag{position:absolute;top:16px;right:18px;background:#fff;color:var(--pink);font-family:var(--font-head);font-weight:700;font-size:11px;padding:5px 11px;border-radius:999px;box-shadow:0 4px 10px rgba(0,0,0,.12)}
.course-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.meta-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.meta-chips .mc{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;font-family:var(--font-head);color:var(--text-2);background:var(--bg);border:1px solid var(--border);padding:6px 11px;border-radius:10px}
.meta-chips .mc .ic{width:14px;height:14px;color:var(--accent)}
.sessions{background:var(--accent-soft);border-radius:16px;padding:16px;margin-bottom:18px;display:flex;gap:16px;align-items:center}
.sessions .big{width:60px;height:60px;flex:none;border-radius:14px;background:#fff;display:grid;place-items:center;box-shadow:var(--shadow)}
.sessions .big b{font-family:var(--font-head);font-weight:800;font-size:24px;color:var(--accent);line-height:1}
.sessions .big small{font-size:10px;color:var(--text-2);font-weight:600}
.sess-list{display:flex;flex-direction:column;gap:5px;flex:1}
.sess-list .row{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-2)}
.sess-list .row i{width:4px;height:16px;border-radius:3px;background:var(--accent);flex:none;display:block}
.sess-list .row b{font-family:var(--font-head);color:var(--text);font-weight:600;font-size:12.5px}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:16px}
.kv .k{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:10px 12px}
.kv .k .n{font-family:var(--font-head);font-weight:800;font-size:17px;color:var(--accent)}
.kv .k .t{font-size:11.5px;color:var(--text-2);font-weight:500}
.outc-title{font-family:var(--font-head);font-weight:700;font-size:13px;color:var(--purple-dark);margin-bottom:10px;display:flex;align-items:center;gap:7px}
.outc-title .ic{width:15px;height:15px;color:var(--accent)}
.outcomes{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:20px}
.outcomes .o{display:flex;align-items:flex-start;gap:7px;font-size:12.5px;color:var(--text-2);line-height:1.4}
.outcomes .o .ic{width:15px;height:15px;color:var(--accent);margin-top:2px}
.price-box{margin-top:auto;background:var(--yellow);border:1px solid #f2dd9b;border-radius:16px;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.price-box .old{font-size:13px;color:var(--text-2);text-decoration:line-through}
.price-box .new{font-family:var(--font-head);font-weight:800;font-size:24px;color:#a55a00;line-height:1.1}
.price-box .save{background:var(--orange);color:#5a3c00;font-family:var(--font-head);font-weight:700;font-size:11px;padding:5px 10px;border-radius:999px;text-align:center}

/* ---------- COURSE LIST (simple cards) ---------- */
.clist{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-auto-rows:1fr;gap:22px}
.ccard{--accent:var(--purple);background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.ccard.pink{--accent:var(--pink)} .ccard.orange{--accent:var(--orange)}
.ccard:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.ccard .cbadge{align-self:flex-start;background:var(--accent);color:#fff;font-family:var(--font-head);font-weight:700;font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;padding:6px 13px;border-radius:999px;margin-bottom:14px}
.ccard.orange .cbadge{color:#5a3c00}
.ccard h3{font-weight:800;font-size:21px;color:var(--purple-dark)}
.ccard .cobj{font-size:13.5px;color:var(--text-2);margin:4px 0 16px}
.ccard .crow{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--border);font-size:14px}
.ccard .crow span{color:var(--text-2)} .ccard .crow b{font-family:var(--font-head);color:var(--text);font-weight:600}
.ccard .cprice{display:flex;align-items:baseline;gap:10px;margin:16px 0 18px;margin-top:auto}
.ccard .cprice .new{font-family:var(--font-head);font-weight:800;font-size:24px;color:var(--accent)}
.ccard .cprice .old{font-size:14px;color:var(--text-2);text-decoration:line-through}
@media (min-width:1001px){
  .ccard .cobj{min-height:112px}
}

/* ---------- COURSE DETAIL ---------- */
.detail-hero{position:relative;overflow:hidden}
.detail-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start;position:relative;z-index:2}
.detail-main{}
.dblock{background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);padding:28px 30px;box-shadow:var(--shadow);margin-bottom:22px}
.dblock h2{font-weight:800;font-size:22px;color:var(--purple-dark);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.dblock h2 .ic{width:22px;height:22px;color:var(--pink)}
.dblock p{color:var(--text-2);font-size:15.5px;margin-bottom:10px}
.dlist{display:flex;flex-direction:column;gap:10px}
.dlist li{display:flex;gap:10px;align-items:flex-start;color:var(--text-2);font-size:15px}
.dlist li .ic{width:18px;height:18px;color:var(--purple);margin-top:3px;flex:none}
.stage{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--border)}
.stage:last-child{border-bottom:none}
.stage .snum{width:40px;height:40px;flex:none;border-radius:12px;background:var(--lavender);color:var(--purple);display:grid;place-items:center;font-family:var(--font-head);font-weight:800}
.stage h4{font-weight:700;font-size:16px;color:var(--text);margin-bottom:3px}
.stage p{font-size:14px;margin:0}
.dkv{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dkv .k{background:var(--bg);border:1px solid var(--border);border-radius:14px;padding:14px 16px}
.dkv .k .n{font-family:var(--font-head);font-weight:800;font-size:20px;color:var(--purple)}
.dkv .k .t{font-size:12.5px;color:var(--text-2)}
.faq-item{border:1px solid var(--border);border-radius:14px;margin-bottom:10px;overflow:hidden;background:var(--white)}
.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:16px 18px;font-family:var(--font-head);font-weight:600;font-size:15px;color:var(--text);display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q .ic{width:20px;height:20px;color:var(--purple);transition:transform .25s;flex:none}
.faq-q[aria-expanded="true"] .ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 18px 16px;color:var(--text-2);font-size:14.5px;margin:0}
/* detail sidebar */
.detail-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow)}
.side-card .price-old{font-size:15px;color:var(--text-2);text-decoration:line-through}
.side-card .price-new{font-family:var(--font-head);font-weight:800;font-size:34px;color:var(--purple-dark);line-height:1.1}
.side-card .price-save{display:inline-block;background:var(--yellow);color:#a55a00;font-family:var(--font-head);font-weight:700;font-size:12.5px;padding:5px 12px;border-radius:999px;margin:8px 0 18px}
.side-meta{display:flex;flex-direction:column;gap:2px;margin-bottom:18px}
.side-meta .sm{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--border);font-size:14px}
.side-meta .sm span{color:var(--text-2)} .side-meta .sm b{font-family:var(--font-head);color:var(--text);font-weight:600}
.side-teachers{display:flex;flex-wrap:wrap;gap:8px}
.tmini{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:5px 12px 5px 5px;font-size:13px;font-weight:600;color:var(--text);font-family:var(--font-head)}
.tmini img{width:28px;height:28px;border-radius:50%;object-fit:cover;object-position:top center;background:var(--lavender)}

/* ---------- SCHEDULE ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:34px;position:relative;z-index:2}
.tab{font-family:var(--font-head);font-weight:600;font-size:14px;color:var(--text-2);background:var(--white);border:1px solid var(--border);padding:10px 20px;border-radius:999px;cursor:pointer;transition:all .2s}
.tab:hover{border-color:var(--purple-2);color:var(--purple)}
.tab.active{background:var(--purple);color:#fff;border-color:var(--purple);box-shadow:0 8px 18px rgba(115,82,182,.26)}
.sched-list{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}
.sched-row{display:grid;grid-template-columns:auto 1.4fr 1fr 1fr auto;gap:18px;align-items:center;background:var(--lavender);border:1px solid var(--border);border-radius:18px;padding:18px 22px;transition:transform .18s ease, box-shadow .18s ease}
.sched-row:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.sched-row .lvtag{font-family:var(--font-head);font-weight:800;font-size:13px;color:#fff;background:var(--purple);padding:8px 12px;border-radius:11px;text-align:center;min-width:70px}
.sched-row.k .lvtag{background:var(--pink)} .sched-row.g .lvtag{background:var(--orange);color:#5a3c00}
.sched-col .cap{font-size:11px;color:var(--text-2);text-transform:uppercase;letter-spacing:.05em;font-weight:600;margin-bottom:2px}
.sched-col .val{font-family:var(--font-head);font-weight:600;font-size:14.5px;color:var(--text);display:flex;align-items:center;gap:7px}
.sched-col .val .ic{width:15px;height:15px;color:var(--purple)}
.sched-start{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.start-pill{font-family:var(--font-head);font-weight:700;font-size:13.5px;color:#fff;background:var(--purple);padding:8px 15px;border-radius:999px;white-space:nowrap}
.sched-row.k .start-pill{background:var(--pink)}
.status{font-size:11.5px;font-weight:600}
.status.ok{color:var(--purple-2)} .status.low{color:var(--pink)}

/* ---------- ROADMAP ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.timeline::before{content:"";position:absolute;top:34px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,var(--purple),var(--pink),var(--orange));border-radius:2px;opacity:.4}
.tstep{text-align:center;position:relative;padding:0 6px}
.tstep .tnum{width:70px;height:70px;margin:0 auto 18px;border-radius:20px;background:var(--white);border:2px solid var(--accent,var(--purple));display:grid;place-items:center;position:relative;z-index:2;color:var(--accent,var(--purple));box-shadow:var(--shadow)}
.tstep .tnum .ic{width:26px;height:26px}
.tstep .tnum .badge{position:absolute;top:-8px;right:-8px;width:26px;height:26px;border-radius:50%;background:var(--accent,var(--purple));color:#fff;display:grid;place-items:center;font-family:var(--font-head);font-weight:800;font-size:13px}
.tstep:nth-child(1){--accent:var(--purple)} .tstep:nth-child(2){--accent:var(--pink)} .tstep:nth-child(3){--accent:var(--orange)} .tstep:nth-child(4){--accent:var(--purple-2)} .tstep:nth-child(5){--accent:var(--pink)}
.tstep h4{font-weight:700;font-size:16.5px;color:var(--purple-dark);margin-bottom:6px}
.tstep p{font-size:13.5px;color:var(--text-2)}

/* ---------- TEACHERS ---------- */
.teacher-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.tcard{background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.tcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.tcard .photo{aspect-ratio:4/5;background:linear-gradient(160deg,var(--lavender),var(--pink-soft) 120%);overflow:hidden;position:relative}
.tcard .photo::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 50% 0%,transparent 60%,rgba(115,82,182,.06));pointer-events:none}
.tcard .photo img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}
.tcard .photo img[src*="giao-ha"]{object-position:top center}
.tcard .photo img[src*="pham-trang"]{object-position:center 42%}
.tcard .tbody{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.tcard h3{font-weight:800;font-size:19px;color:var(--purple-dark)}
.tcard .trole{font-size:12.5px;color:var(--pink);font-weight:600;font-family:var(--font-head);margin:3px 0 12px}
.tcard .tyears{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text-2);margin-bottom:12px}
.tcard .tyears .ic{width:15px;height:15px;color:var(--purple)}
.tcard .thl{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.tcard .thl li{display:flex;gap:7px;align-items:flex-start;font-size:13px;color:var(--text-2)}
.tcard .thl li .ic{width:14px;height:14px;color:var(--pink);margin-top:3px;flex:none}
.tcard .btn{margin-top:auto}
.badge-hsk{display:inline-block;background:var(--lavender);color:var(--purple);font-family:var(--font-head);font-weight:700;font-size:11px;padding:4px 10px;border-radius:999px;margin-bottom:10px;align-self:flex-start}

/* ---------- TEACHER PROFILE ---------- */
.profile-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;position:relative;z-index:2}
.profile-photo{position:sticky;top:96px}
.profile-photo .main-photo{border-radius:var(--r-container);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);background:linear-gradient(165deg,var(--lavender),var(--pink-soft) 130%);aspect-ratio:4/5}
.profile-photo .main-photo img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}
.profile-photo .pactions{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.mentor-card{display:grid;grid-template-columns:.72fr 1fr 1fr;gap:26px;background:var(--white);border:1px solid var(--border);border-radius:var(--r-container);padding:30px;box-shadow:var(--shadow)}
.mentor-card h3{font-size:20px;color:var(--purple-dark);margin-bottom:16px}
.mentor-photo{border-radius:20px;overflow:hidden;min-height:360px;background:var(--lavender)}
.mentor-photo img{width:100%;height:100%;object-fit:cover;object-position:center 35%}
.profile-main h1{font-weight:800;font-size:clamp(28px,3.6vw,40px);color:var(--purple-dark);letter-spacing:-.02em}
.profile-main .prole{font-family:var(--font-head);font-weight:600;color:var(--pink);font-size:16px;margin:6px 0 18px}
.pchips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.pchip{display:inline-flex;align-items:center;gap:7px;background:var(--white);border:1px solid var(--border);border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600;font-family:var(--font-head);color:var(--text)}
.pchip .ic{width:15px;height:15px;color:var(--purple)}
.pblock{background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);padding:26px 28px;box-shadow:var(--shadow);margin-bottom:20px}
.pblock h2{font-weight:800;font-size:19px;color:var(--purple-dark);margin-bottom:14px;display:flex;align-items:center;gap:9px}
.pblock h2 .ic{width:20px;height:20px;color:var(--pink)}
.poster-thumb{border-radius:16px;overflow:hidden;border:1px solid var(--border);margin-top:6px}

/* ---------- STUDY ABROAD ---------- */
.abroad-box{background:linear-gradient(150deg,var(--purple-dark),var(--purple));border-radius:32px;padding:56px 52px;color:#fff;position:relative;overflow:hidden}
.abroad-box .han-deco{position:absolute;right:-20px;bottom:-70px;font-family:var(--font-han);font-weight:900;font-size:300px;color:rgba(255,255,255,.06);line-height:1;pointer-events:none}
.abroad-box .blob{width:280px;height:280px;background:var(--pink);top:-120px;left:-80px;opacity:.28}
.abroad-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:52px;align-items:center}
.abroad-copy .eyebrow{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.2)}
.abroad-copy h2{color:#fff;font-weight:800;font-size:clamp(26px,3.2vw,38px);letter-spacing:-.02em;margin:16px 0 14px}
.abroad-copy h2 .y{color:var(--orange)} .abroad-copy .han{color:#f2c14e}
.abroad-copy p.lead{color:#e4dcf3;font-size:16.5px;margin-bottom:24px}
.sch-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.sch-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;font-family:var(--font-head);font-weight:600;font-size:13px;padding:8px 14px;border-radius:12px}
.sch-badge .ic{width:16px;height:16px;color:var(--orange)}
.abroad-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ab-card{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:22px 20px;backdrop-filter:blur(4px);transition:transform .2s ease, background .2s ease}
.ab-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.14)}
.ab-card .ico{width:44px;height:44px;border-radius:13px;background:rgba(248,169,34,.2);color:var(--orange);display:grid;place-items:center;margin-bottom:14px}
.ab-card h4{color:#fff;font-weight:700;font-size:16px;margin-bottom:5px}
.ab-card p{color:#d7cdec;font-size:13px}
.uni-strip{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:8px}
.uni-strip .u{font-family:var(--font-han);font-size:13.5px;color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:7px 12px;border-radius:10px}
.uni-strip .u small{font-family:var(--font-body);color:#c7b8e8;margin-left:5px;font-size:11px}

/* ---------- PRICING TABLES (du hoc) ---------- */
.price-group{background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;margin-bottom:22px}
.price-group .pg-head{padding:16px 24px;font-family:var(--font-head);font-weight:800;font-size:16px;letter-spacing:.04em;text-transform:uppercase;color:#fff}
.pg-head.purple{background:var(--purple)} .pg-head.orange{background:var(--orange);color:#5a3c00}
.price-pack{padding:20px 24px;border-bottom:1px solid var(--border)}
.price-pack:last-child{border-bottom:none}
.pp-top{display:flex;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.pp-tag{background:var(--lavender);color:var(--purple);font-family:var(--font-head);font-weight:700;font-size:11.5px;padding:5px 12px;border-radius:999px}
.pp-tag.pink{background:var(--pink-soft);color:var(--pink)}
.pp-title{font-family:var(--font-head);font-weight:700;font-size:17px;color:var(--text)}
.pp-note{font-size:13px;color:var(--text-2);margin-bottom:8px}
.pp-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:11px 14px;background:var(--bg);border:1px solid var(--border);border-radius:12px;margin-top:8px}
.pp-row .lbl b{font-family:var(--font-head);color:var(--text);font-size:14.5px;font-weight:600;display:block}
.pp-row .lbl span{font-size:12.5px;color:var(--text-2)}
.pp-price{font-family:var(--font-head);font-weight:800;font-size:15px;color:#fff;background:var(--purple);padding:7px 14px;border-radius:999px;white-space:nowrap}
.pp-price.pink{background:var(--pink)} .pp-price.orange{background:var(--orange);color:#5a3c00}
.pp-refund{background:var(--yellow);border-radius:12px;padding:14px 16px;margin-top:10px;text-align:center;color:#a55a00;font-family:var(--font-head);font-weight:700;font-size:14.5px}
.note-box{background:var(--lavender);border:1px solid var(--border);border-radius:var(--r-card);padding:24px 28px}
.note-box h3{font-weight:800;font-size:16px;color:var(--purple-dark);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.note-box ul{display:flex;flex-direction:column;gap:8px}
.note-box li{display:flex;gap:9px;font-size:14px;color:var(--text-2)}
.note-box li .ic{width:16px;height:16px;color:var(--pink);margin-top:3px;flex:none}
.brochure{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.brochure img{border-radius:var(--r-card);border:1px solid var(--border);box-shadow:var(--shadow)}

/* ---------- TESTIMONIALS ---------- */
.tst-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;z-index:2}
.tst{background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .2s ease, box-shadow .2s ease}
.tst:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.tst .qmark{width:40px;height:40px;border-radius:12px;background:var(--lavender);color:var(--purple);display:grid;place-items:center;margin-bottom:16px}
.tst .stars{display:flex;gap:3px;margin-bottom:12px;color:var(--orange)}
.tst .stars .ic{width:17px;height:17px;fill:var(--orange);stroke:var(--orange)}
.tst .body{font-size:15px;color:var(--text-2);flex:1;margin-bottom:22px}
.tst .who{display:flex;align-items:center;gap:13px}
.tst .avatar{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-family:var(--font-head);font-weight:700;font-size:19px;color:#fff}
.tst:nth-child(1) .avatar{background:var(--purple)} .tst:nth-child(2) .avatar{background:var(--pink)} .tst:nth-child(3) .avatar{background:var(--orange);color:#5a3c00}
.tst .who b{display:block;font-family:var(--font-head);font-weight:700;font-size:15.5px;color:var(--text)}
.tst .who span{font-size:12.5px;color:var(--text-2)}

/* ---------- REGISTER / FORM ---------- */
.reg-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;align-items:stretch;position:relative;z-index:2}
.reg-left h2{font-weight:800;font-size:clamp(26px,3.2vw,36px);letter-spacing:-.02em;color:var(--purple-dark);margin:16px 0 12px}
.reg-left h2 .accent{color:var(--pink)}
.reg-left p.lead{color:var(--text-2);font-size:16.5px;margin-bottom:24px}
.benefits{display:flex;flex-direction:column;gap:14px;margin-bottom:28px}
.benefit{display:flex;align-items:center;gap:13px;font-size:15px;color:var(--text)}
.benefit .ico{width:40px;height:40px;flex:none;border-radius:12px;background:var(--lavender);color:var(--purple);display:grid;place-items:center}
.benefit:nth-child(2) .ico{background:var(--pink-soft);color:var(--pink)} .benefit:nth-child(3) .ico{background:var(--yellow);color:var(--orange)} .benefit:nth-child(4) .ico{background:var(--lavender);color:var(--purple-2)}
.contacts{display:flex;flex-wrap:wrap;gap:12px}
.contact{display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:500;color:var(--text);background:var(--white);border:1px solid var(--border);padding:10px 15px;border-radius:12px;transition:transform .18s ease, border-color .2s}
.contact:hover{transform:translateY(-2px);border-color:var(--purple-2)}
.contact .ic{width:17px;height:17px;color:var(--purple)}
.form-card{background:var(--white);border:1px solid var(--border);border-radius:28px;box-shadow:var(--shadow);padding:36px}
.form-card h3{font-weight:800;font-size:22px;color:var(--purple-dark);margin-bottom:6px}
.form-card .fsub{font-size:14px;color:var(--text-2);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1/-1}
.field label{font-family:var(--font-head);font-weight:600;font-size:13.5px;color:var(--text);margin-bottom:7px}
.field label .req{color:var(--pink)}
.field input,.field select,.field textarea{font-family:var(--font-body);font-size:15px;color:var(--text);background:var(--bg);border:1.5px solid var(--border);border-radius:var(--r-input);padding:13px 15px;transition:border-color .2s, box-shadow .2s;width:100%}
.field textarea{resize:vertical;min-height:80px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 4px rgba(115,82,182,.12);background:#fff}
.field input.err,.field select.err{border-color:var(--pink);box-shadow:0 0 0 4px rgba(220,98,171,.12)}
.field .hint{font-size:12px;color:var(--pink);margin-top:6px;min-height:15px}
.form-success{display:none;text-align:center;padding:20px}
.form-success.show{display:block}
.form-success .ico{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:var(--lavender);color:var(--purple);display:grid;place-items:center}
.form-success .ico .ic{width:32px;height:32px}
.form-success h3{color:var(--purple-dark);margin-bottom:8px}
.form-success p{color:var(--text-2);font-size:15px}

/* ---------- FOOTER ---------- */
footer{background:var(--purple-dark);color:#d9cff0;padding:56px 0 26px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-brand .logo{color:#fff;margin-bottom:16px}
.foot-brand .logo span b{color:#fff} .foot-brand .logo span small{color:#b6a6dd}
.foot-brand p{font-size:14px;color:#c3b6e2;max-width:280px;margin-bottom:18px}
.foot-social{display:flex;gap:10px}
.foot-social a{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.1);display:grid;place-items:center;color:#fff;transition:background .2s, transform .2s}
.foot-social a:hover{background:var(--pink);transform:translateY(-3px)}
.foot-col h5{color:#fff;font-weight:700;font-size:15px;margin-bottom:16px}
.foot-col a{display:block;font-size:14px;color:#c3b6e2;padding:6px 0;transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-col .contact-line{display:flex;align-items:center;gap:9px;font-size:14px;color:#c3b6e2;padding:6px 0}
.foot-col .contact-line .ic{width:16px;height:16px;color:var(--orange)}
.foot-bottom{padding-top:22px;text-align:center;font-size:13px;color:#a394cc}

/* ---------- REVEAL / A11Y ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s cubic-bezier(.22,1,.36,1), transform .6s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.tab:focus-visible{outline:3px solid var(--purple-2);outline-offset:2px;border-radius:8px}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1000px){
  .hero-grid,.intro-grid,.detail-grid,.abroad-grid,.reg-grid,.profile-grid{grid-template-columns:1fr;gap:36px}
  .detail-side,.profile-photo{position:static}
  .detail-side{order:-1}
  .profile-photo{max-width:320px;margin-left:auto;margin-right:auto}
  .stats{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr;gap:0}
  .timeline::before{left:34px;right:auto;top:35px;bottom:35px;width:2px;height:auto;background:linear-gradient(180deg,var(--purple),var(--pink),var(--orange))}
  .tstep{display:grid;grid-template-columns:70px 1fr;gap:20px;text-align:left;align-items:start;padding:0 0 34px}
  .tstep .tnum{margin:0}
  .tst-grid{grid-template-columns:1fr}
  .brochure{grid-template-columns:1fr}
}
@media (max-width:760px){
  section{padding:64px 0}
  #hero{padding:48px 0 60px}
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .nav-menu.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;background:var(--white);border-bottom:1px solid var(--border);padding:16px 24px 22px;box-shadow:var(--shadow)}
  .nav-menu.open a.link{padding:11px 4px;border-bottom:1px solid var(--border)}
  .nav-menu.open a.link::after{display:none}
  .nav-menu.open .btn{margin-top:8px}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat .num{font-size:32px}
  .abroad-box{padding:40px 24px}
  .abroad-cards{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr 1fr;gap:28px}
  .intro-visual{grid-template-columns:1fr 1fr}
  .hero-cta .btn{flex:1}
  .sched-row{grid-template-columns:1fr 1fr;gap:14px;padding:18px}
  .sched-row .lvtag{grid-column:1/-1;justify-self:start}
  .sched-start{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between}
  .dkv,.kv,.outcomes{grid-template-columns:1fr 1fr}
}

@media (min-width:761px) and (max-width:1040px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .nav-menu.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;background:var(--white);border-bottom:1px solid var(--border);padding:16px 24px 22px;box-shadow:var(--shadow)}
  .nav-menu.open a.link{padding:11px 4px;border-bottom:1px solid var(--border)}
  .nav-menu.open a.link::after{display:none}
  .nav-menu.open .btn{margin-top:8px}
}
@media (max-width:440px){
  .wrap{padding:0 16px}
  .foot-top{grid-template-columns:1fr}
  .sched-row{grid-template-columns:1fr}
  .pp-row{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   HOME — HERO CHUNG (song song Tiếng Trung + Du học)
   ============================================================ */
.hero-lead{max-width:780px;margin:0 auto;text-align:center;position:relative;z-index:2}
.hero-lead .hero-label{margin-left:auto;margin-right:auto}
.hero-lead h1{font-weight:800;font-size:clamp(34px,5vw,56px);letter-spacing:-.03em;color:var(--purple-dark)}
.hero-lead h1 .p{color:var(--purple)} .hero-lead h1 .accent{color:var(--pink)}
.hero-lead .hero-sub{margin:20px auto 0;max-width:40em}
.hero-split{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px;position:relative;z-index:2}
.hpath{position:relative;border-radius:26px;padding:34px 32px;overflow:hidden;display:flex;flex-direction:column;min-height:250px;border:1px solid var(--border);box-shadow:var(--shadow);transition:transform .2s ease, box-shadow .2s ease}
.hpath:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.hpath.lang{background:linear-gradient(155deg,#ffffff,var(--lavender))}
.hpath.abroad{background:linear-gradient(155deg,#ffffff,var(--yellow))}
.hpath .hp-ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:16px}
.hpath.lang .hp-ic{background:var(--purple);color:#fff}
.hpath.abroad .hp-ic{background:var(--orange);color:#5a3c00}
.hpath h3{font-size:23px;font-weight:800;color:var(--purple-dark);margin-bottom:8px}
.hpath p{color:var(--text-2);font-size:15px;margin-bottom:16px;flex:1}
.hpath .hp-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:22px}
.hpath .hp-tags span{font-size:12px;font-weight:600;font-family:var(--font-head);padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.75);border:1px solid var(--border);color:var(--purple)}
.hpath.abroad .hp-tags span{color:#8a5c00}
.hpath .hp-cta{display:flex;gap:12px;flex-wrap:wrap}
.hpath .han-deco-sm{position:absolute;right:-8px;bottom:-34px;font-family:var(--font-han);font-weight:900;font-size:150px;line-height:1;opacity:.07;pointer-events:none;color:var(--purple)}
.hpath.abroad .han-deco-sm{color:var(--orange);opacity:.12}

/* process flow strip */
.flow{background:linear-gradient(135deg,var(--purple-dark),var(--purple));border-radius:var(--r-container);padding:32px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;align-items:start;position:relative;overflow:hidden}
.flow-step{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;position:relative;padding:0 10px;z-index:2}
.flow-step .fi{width:54px;height:54px;border-radius:16px;background:rgba(255,255,255,.12);color:#fff;display:grid;place-items:center}
.flow-step:nth-child(2) .fi{background:var(--orange);color:#5a3c00}
.flow-step:nth-child(3) .fi{background:var(--pink);color:#fff}
.flow-step:nth-child(4) .fi{background:#fff;color:var(--purple-dark)}
.flow-step b{color:#fff;font-family:var(--font-head);font-size:15.5px;font-weight:600}
.flow-step span{color:#cabfe6;font-size:12.5px;line-height:1.4}
.flow-step::after{content:"";position:absolute;right:-4px;top:22px;width:8px;height:8px;border-top:2px solid rgba(255,255,255,.4);border-right:2px solid rgba(255,255,255,.4);transform:rotate(45deg)}
.flow-step:last-child::after{display:none}

@media (max-width:1000px){
  .hero-split{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr;gap:24px 8px}
  .flow-step:nth-child(2)::after{display:none}
}
@media (max-width:560px){
  .flow{grid-template-columns:1fr;gap:22px}
  .flow-step{flex-direction:row;text-align:left;gap:14px}
  .flow-step .fi{flex:none}
  .flow-step::after{display:none}
}

/* ============================================================
   CẬP NHẬT V2 — hero song song, modal du học, stats 3, online
   ============================================================ */
/* --- Hero lead + hai CTA --- */
#hero .wrap{position:relative;z-index:2}
.hero-lead{max-width:760px;margin:0 auto;text-align:center;padding-top:8px}
.hero-lead .hero-label{margin-inline:auto}
.hero-lead h1{margin:18px 0 0}
.hero-lead .hero-sub{margin:16px auto 0;max-width:640px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.hero-cta .btn{min-height:54px}
.btn-primary-2{background:var(--purple-2);color:#fff;box-shadow:0 8px 22px rgba(146,112,199,.32)}
.btn-primary-2:hover{background:var(--purple);transform:translateY(-2px)}
/* --- Dual path cards --- */
.hero-split{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:44px}
.hpath{position:relative;overflow:hidden;background:#fff;border:1px solid var(--border);border-radius:var(--r-container);padding:30px 28px;box-shadow:var(--shadow)}
.hpath.abroad{background:linear-gradient(165deg,#fff, #FFF6EC)}
.hpath .han-deco-sm{position:absolute;top:-10px;right:6px;font-family:"Noto Serif SC",serif;font-size:120px;line-height:1;color:var(--purple);opacity:.06;pointer-events:none}
.hpath .hp-ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:var(--lavender);color:var(--purple);margin-bottom:16px}
.hpath.abroad .hp-ic{background:var(--yellow);color:var(--orange)}
.hpath .hp-ic svg{width:28px;height:28px}
.hpath h3{font-family:"Poppins";font-size:24px;color:var(--purple-dark);margin-bottom:8px}
.hpath p{color:var(--text-2);font-size:15px;margin-bottom:16px}
.hp-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.hp-tags span{font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;background:var(--lavender);color:var(--purple)}
.hpath.abroad .hp-tags span{background:var(--yellow);color:#8a5c00}
/* --- Flow strip --- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;background:#fff;border:1px solid var(--border);border-radius:var(--r-container);padding:22px;box-shadow:var(--shadow);position:relative}
.flow-step{text-align:center;padding:8px;position:relative}
.flow-step .fi{width:52px;height:52px;border-radius:14px;background:var(--lavender);color:var(--purple);display:grid;place-items:center;margin:0 auto 10px}
.flow-step .fi svg{width:26px;height:26px}
.flow-step b{display:block;font-family:"Poppins";color:var(--text);font-size:15px}
.flow-step span{display:block;color:var(--text-2);font-size:12.5px;margin-top:2px}
.flow-step:not(:last-child)::after{content:"→";position:absolute;right:-9px;top:26px;color:var(--purple-2);font-weight:700}
/* --- Stats 3 centered --- */
.stats.stats-3{grid-template-columns:repeat(3,1fr);max-width:860px;margin-left:auto;margin-right:auto}
/* --- Course badge colors --- */
.course-badge.lav,.cbadge.lav{background:var(--lavender);color:var(--purple)}
.course-badge.gold,.cbadge.gold{background:var(--yellow);color:#8a5c00}
.course-badge.pink,.cbadge.pink{background:var(--pink-soft);color:var(--pink)}
/* --- Online chip / format line / sessions single --- */
.mc.online{background:var(--lavender);color:var(--purple);border-color:var(--border)}
.form-format{display:flex;align-items:center;gap:8px;margin:14px 0 4px;font-size:14px;color:var(--text-2)}
.form-format svg{width:18px;height:18px;color:var(--purple)}
.form-format b{color:var(--purple-dark)}
.sessions.single{align-items:center}
.sessions.single .sess-note{color:var(--text-2);font-size:13.5px}
.price-note,.only-note{display:block;color:var(--text-2);font-size:12.5px;margin-top:2px}
/* --- Timeline 5 (du hoc) --- */
.timeline-5 .tstep h4{color:var(--purple-dark)}
/* ============================================================
   MODAL DU HỌC
   ============================================================ */
body.modal-lock{overflow:hidden}
.modal-overlay[hidden]{display:none!important}
.modal-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:flex-start;justify-content:center;padding:24px 16px;background:rgba(45,36,69,.55);backdrop-filter:blur(3px);visibility:hidden;pointer-events:none;opacity:0;transition:opacity .2s ease,visibility 0s linear .2s;overflow-y:auto}
.modal-overlay.open{visibility:visible;pointer-events:auto;opacity:1;transition-delay:0s}
.modal{position:relative;background:#fff;border-radius:var(--r-container);max-width:560px;width:100%;padding:30px 28px;box-shadow:0 30px 70px rgba(45,36,69,.35);margin:auto;transform:translateY(14px);transition:transform .25s ease}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-close{position:absolute;top:14px;right:16px;width:38px;height:38px;border-radius:50%;border:none;background:var(--lavender);color:var(--purple-dark);font-size:24px;line-height:1;cursor:pointer;transition:.2s}
.modal-close:hover{background:var(--pink-soft);color:var(--pink)}
.modal h2{font-family:"Poppins";font-size:23px;color:var(--purple-dark);padding-right:36px}
.modal-sub{color:var(--text-2);font-size:14.5px;margin:6px 0 16px}
.modal-contacts{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.modal-contacts .contact{font-size:13px;padding:8px 12px}
.modal .form-grid{margin-bottom:16px}
@media (prefers-reduced-motion: reduce){.modal,.modal-overlay{transition:none}.modal{transform:none}}
/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:920px){
  .hero-split{grid-template-columns:1fr}
  .mentor-card{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr}
  .flow-step:not(:last-child)::after{display:none}
  .stats.stats-3{grid-template-columns:1fr;gap:14px}
}
@media (max-width:560px){
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
  .flow{grid-template-columns:1fr}
  .modal{padding:24px 18px}
  .modal-contacts{flex-direction:column}
}

/* ============================================================
   >>> CALM PALETTE v1 — BEGIN
   Giảm "cầu vồng": đồng bộ các cụm lặp về TÍM chủ đạo + HỒNG điểm nhấn,
   bỏ bớt vàng/cam/tím-2. KHÔNG đổi tông màu thương hiệu.
   ĐỂ HOÀN TÁC: xoá toàn bộ khối giữa "CALM PALETTE v1 — BEGIN" và "END".
   ============================================================ */
/* Ô thống kê: GIỮ 3 màu gốc (tím / hồng / vàng) theo yêu cầu — không override */
/* Bước "flow": tất cả cùng tông tím (đọc như một quy trình liền mạch) */
.flow-step .fi,
.flow-step:nth-child(2) .fi,
.flow-step:nth-child(3) .fi,
.flow-step:nth-child(4) .fi{background:var(--lavender);color:var(--purple)}
/* Timeline (trang Du học): GIỮ 5 màu gốc cho đặc sắc — không override */
/* ============================================================
   <<< CALM PALETTE v1 — END
   ============================================================ */

/* ============================================================
   >>> UI POLISH v2 — BEGIN
   Phân cấp CHÍNH/PHỤ bằng các tông tím + điểm nhẹ hồng cho chi tiết nhỏ.
   ĐỂ HOÀN TÁC: xoá toàn bộ khối giữa "UI POLISH v2 — BEGIN" và "END".
   ============================================================ */
/* --- Thẻ khóa học: 3 cấp tím để mắt biết đâu là chính --- */
.course .sessions .big b{color:var(--purple-dark)}      /* số buổi = thông tin CHÍNH */
.course .kv .k .n{color:var(--purple-2)}                /* số liệu phụ = tím nhạt */
.course .meta-chips .mc{color:var(--text-2)}
.course .meta-chips .mc .ic{color:var(--purple-2)}      /* chip = PHỤ, icon tím nhạt cho lùi xuống */
.course .meta-chips .mc.online{color:var(--purple);background:var(--lavender)} /* chip nổi bật nhẹ */

/* --- Nút cam (CTA du học): chữ đậm & tối hơn cho dễ đọc --- */
.btn-orange{color:#3a2500;font-weight:700}

/* --- Lịch khai giảng: 3 tông tím theo cấp độ + hồng cho lớp Giao tiếp --- */
.sched-row .start-pill{background:var(--purple-2)}      /* ngày khai giảng = phụ, tím nhạt */
.sched-row[data-lvl="h1"] .lvtag{background:var(--purple)}
.sched-row[data-lvl="h3"] .lvtag{background:var(--purple)}
.sched-row[data-lvl="h2"] .lvtag{background:var(--purple-2)}
.sched-row[data-lvl="h4"] .lvtag{background:var(--purple-2)}
.sched-row[data-lvl="csca"] .lvtag{background:var(--purple-dark)}
.sched-row[data-lvl="gt"] .lvtag,
.sched-row[data-lvl="gt"] .start-pill{background:var(--pink)}  /* Giao tiếp = điểm nhấn hồng */
/* ============================================================
   <<< UI POLISH v2 — END
   ============================================================ */

/* ============================================================
   >>> HERO POLISH v3 — BEGIN
   Hero: chỉ 2 màu chữ + nút chính/phụ rõ ràng.
   ĐỂ HOÀN TÁC: xoá toàn bộ khối giữa "HERO POLISH v3 — BEGIN" và "END".
   ============================================================ */
/* Tiêu đề hero: 2 màu duy nhất — nền tím đậm + hồng cho các cụm nhấn mạnh */
#hero h1 .p{color:var(--pink)}
/* Giữ cụm nhấn không bị tách giữa dòng */
#hero h1 .accent{white-space:nowrap}
/* Tiêu đề section: giữ cụm nhấn (vd "HSK6 + HSKKCC") không vỡ giữa dòng */
.sec-title .accent{white-space:nowrap}
/* Mobile hẹp: cho phép xuống dòng lại để tránh bị cắt chữ (body overflow-x:hidden) */
@media (max-width:560px){#hero h1 .accent,.sec-title .accent{white-space:normal}}
/* ============================================================
   <<< HERO POLISH v3 — END
   ============================================================ */

/* ============================================================
   >>> MENTOR CAPTION v4 — BEGIN
   Tên + chức danh mentor hiển thị ngay dưới ảnh (trang Du học).
   ĐỂ HOÀN TÁC: xoá khối này + gỡ <div class="mentor-cap"> trong du-hoc.html.
   ============================================================ */
.mentor-cap{margin-top:14px;text-align:center}
.mentor-cap b{display:block;font-family:var(--font-head);font-weight:800;font-size:18px;color:var(--purple-dark)}
.mentor-cap span{display:block;margin-top:2px;font-family:var(--font-head);font-weight:600;font-size:13px;color:var(--pink)}
/* ============================================================
   <<< MENTOR CAPTION v4 — END
   ============================================================ */

/* ---------- DU HỌC — Quyền lợi gói A–Z ---------- */
.az-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;position:relative;z-index:2}
.az-item{display:flex;align-items:flex-start;gap:14px;background:var(--white);border:1px solid var(--border);border-left:4px solid var(--purple);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease}
.az-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.az-item.pink{border-left-color:var(--pink)}
.az-num{flex:none;width:34px;height:34px;border-radius:50%;background:var(--lavender);color:var(--purple);font-family:var(--font-head);font-weight:800;font-size:14px;display:grid;place-items:center}
.az-item.pink .az-num{background:var(--pink-soft);color:var(--pink)}
.az-item b{font-family:var(--font-head);font-weight:700;font-size:15.5px;color:var(--purple-dark);display:block;line-height:1.35}
.az-item small{display:block;color:var(--text-2);font-size:13px;margin-top:3px}
@media(max-width:700px){.az-grid{grid-template-columns:1fr}}

/* ---------- DU HỌC — Mentor hỗ trợ (co giãn) ---------- */
.mentor-sub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px;position:relative;z-index:2}
.msub{display:flex;gap:16px;background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);padding:18px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.msub:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.msub .mphoto{flex:none;width:100px;height:125px;border-radius:14px;overflow:hidden;background:var(--lavender)}
.msub .mphoto img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}
.msub .minfo{display:flex;flex-direction:column;min-width:0}
.msub .minfo h4{font-family:var(--font-head);font-weight:800;font-size:17px;color:var(--purple-dark)}
.msub .minfo h4 .mhan{font-family:var(--font-han);font-weight:400;color:var(--purple-2);font-size:15px;margin-left:4px}
.msub .mtags{display:flex;flex-wrap:wrap;gap:6px;margin:7px 0 9px}
.msub .mtag{font-size:11.5px;font-weight:600;font-family:var(--font-head);color:var(--purple);background:var(--lavender);border:1px solid var(--border);padding:5px 11px;border-radius:999px;white-space:nowrap}
.msub .mdesc{font-size:13px;color:var(--text-2);line-height:1.5;margin-bottom:12px}
.msub .btn{margin-top:auto;align-self:flex-start}
@media(max-width:440px){.msub{flex-direction:column}.msub .mphoto{width:100%;height:200px}}

/* ---------- Anchor nav trong trang (Du học) ---------- */
.anchor-nav{position:sticky;top:73px;z-index:40;background:rgba(251,249,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.anchor-nav .wrap{display:flex;gap:6px;overflow-x:auto;padding-top:10px;padding-bottom:10px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.anchor-nav .wrap::-webkit-scrollbar{display:none}
.anchor-nav a{white-space:nowrap;font-family:var(--font-head);font-weight:600;font-size:13.5px;color:var(--text-2);padding:7px 15px;border-radius:999px;transition:background .2s,color .2s}
.anchor-nav a:hover{background:var(--lavender);color:var(--purple)}
.anchor-nav a.active{background:var(--purple);color:#fff}
#quy-trinh,#quyen-loi,#bang-gia,#mentor-du-hoc,#tu-van-du-hoc{scroll-margin-top:130px}

/* ============================================================
   >>> TEACHER PHOTO FRAME v5 — BEGIN
   Ảnh giáo viên là ảnh TÁCH NỀN (mép có viền trắng). Đặt nền SÁNG DỊU
   (~50% giữa trắng và gradient lavender/hồng cũ) để viền trắng bớt lấn cấn.
   Không thêm khung viền. ĐỂ HOÀN TÁC: xoá khối này (ảnh về nền gradient cũ).
   ============================================================ */
.tcard .photo{background:linear-gradient(160deg,#FAF7FE,#FCECF6)}
.profile-photo .main-photo{background:linear-gradient(160deg,#FAF7FE,#FCECF6)}
/* ============================================================
   <<< TEACHER PHOTO FRAME v5 — END
   ============================================================ */