/* Trang chủ "Trung tâm" ADCode (app/includes/home_center.php). Chỉ áp dụng trong .hc.
   Màu đi theo nút sáng/tối của site (html[data-theme]): mọi màu nằm trong các biến --hc-* bên dưới.
   Nền sáng dùng xanh rất nhạt thay cho trắng tinh để đỡ chói; nền tối dùng xanh đêm, chữ và điểm nhấn sáng lên để không chìm. */
.hc{
  --hc-page:#f5f8fd;--hc-card:#fff;--hc-soft:#eaf2fe;--hc-line:#dbe6f5;
  --hc-ink:#14284b;--hc-text:#2c4470;--hc-muted:#56698a;
  --hc-blue:#1a5fd0;--hc-blue-d:#0f3f99;--hc-head:#0f3f99;--hc-script-c:#1a5fd0;
  --hc-hero:linear-gradient(90deg,#e6f0fd 0%,#eff5fd 42%,#e0ecfc 100%);
  --hc-band:linear-gradient(180deg,#e9f1fd,#f1f6fd);
  --hc-foot:linear-gradient(180deg,#e9f1fd,#dfeafb);
  --hc-photo:radial-gradient(circle at 50% 35%,#fbfdff,#d6e5fa 75%);
  --hc-art:#ffffffd0;--hc-art-ring:#ffffff70;--hc-tile-end:#fbfdff;
  --hc-cta:linear-gradient(135deg,#2a7cf0,#1149b8);
  --hc-shadow:0 10px 30px #1a4f9a14;--hc-shadow-hover:0 16px 32px #1a4f9a24;
  --hc-h1-glow:0 2px 0 #ffffffb0;--hc-img-filter:none;
  --hc-script:"Dancing Script","Segoe Script",cursive;
  font-family:var(--a-font,"Be Vietnam Pro",system-ui,sans-serif);font-size:var(--a-fs-base,16px);color:var(--hc-ink);line-height:1.5;overflow-x:clip;background:var(--hc-page)
}
html[data-theme="dark"] .hc{
  --hc-page:#0e1626;--hc-card:#16223a;--hc-soft:#1f3150;--hc-line:#2a3b58;
  --hc-ink:#e6edfb;--hc-text:#c3d0e6;--hc-muted:#9fb0cb;
  --hc-blue:#7fb0ff;--hc-blue-d:#a9c8ff;--hc-head:#b7d1ff;--hc-script-c:#8fbaff;
  --hc-hero:linear-gradient(90deg,#0f1b30 0%,#12213a 45%,#152745 100%);
  --hc-band:linear-gradient(180deg,#111d32,#0f1a2d);
  --hc-foot:linear-gradient(180deg,#111d32,#0c1422);
  --hc-photo:radial-gradient(circle at 50% 35%,#2d4670,#17253f 78%);
  --hc-art:#e9f1ffe6;--hc-art-ring:#ffffff1f;--hc-tile-end:#16223a;
  --hc-cta:linear-gradient(135deg,#2560c8,#173f8f);
  --hc-shadow:0 10px 30px #00000040;--hc-shadow-hover:0 18px 36px #00000059;
  --hc-h1-glow:none;--hc-img-filter:brightness(.86) saturate(.95);
}
body:has(.hc){background:var(--a-bg,#f5f8fd)}
.hc *{box-sizing:border-box}
.hc [id]{scroll-margin-top:90px}
.hc a{color:inherit;text-decoration:none}
.hc img{max-width:100%;height:auto;display:block}
body:has(.hc) .theme-switch.is-floating{display:none!important}
.hc-wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.hc-ico{width:1em;height:1em;flex:none;color:var(--hc-blue)}
.hc-hero-img,.hc-campus img,.hc-lab img{filter:var(--hc-img-filter)}
.hc-script{font-family:var(--hc-script);font-weight:600;color:var(--hc-script-c)}

/* Hero */
.hc-hero{position:relative;min-height:440px;display:flex;align-items:center;background:var(--hc-hero);overflow:hidden}
.hc .hc-hero-img{position:absolute;right:0;top:0;height:100%;width:58%;object-fit:cover;object-position:left center;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16%);mask-image:linear-gradient(90deg,transparent 0,#000 16%)}
.hc-hero-in{position:relative;width:100%;padding-top:36px;padding-bottom:40px}
.hc-hero-kicker{margin:0 0 4px 14px;font-size:38px;transform:rotate(-3deg);transform-origin:left;width:max-content}
.hc-hero h1{margin:0 0 14px;font-size:clamp(30px,3.3vw,42px);line-height:1.15;font-weight:700;text-transform:uppercase;color:var(--hc-head);letter-spacing:-.5px;text-shadow:var(--hc-h1-glow)}
.hc-hero-name{margin:0 0 8px;font-size:22px;font-weight:700;color:var(--hc-head)}
.hc-hero-lead{margin:0 0 26px;font-size:16px;color:var(--hc-text)}
.hc-hero-actions{display:inline-flex;flex-direction:column;gap:12px;max-width:100%}
.hc-hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:0}
.hc-btn-signup{justify-content:center;border:0;background:var(--a-cta);color:var(--a-on-cta)!important;font-family:inherit;cursor:pointer;box-shadow:0 8px 18px -8px #c76a00aa}
.hc-btn-signup:hover{background:var(--a-cta-hover)}
.hc-btn-signup .hc-ico{width:18px;height:18px;color:var(--hc-blue)}
.hc-btn{display:inline-flex;align-items:center;gap:8px;min-height:46px;padding:0 22px;border-radius:12px;font-weight:700;font-size:15px;transition:transform .15s,box-shadow .15s}
.hc-btn:hover{transform:translateY(-1px)}
.hc-btn-primary{background:var(--hc-cta);color:#fff!important;box-shadow:0 8px 18px -8px #1149b8aa}
.hc-btn-ghost{background:var(--hc-card);color:var(--hc-blue)!important;border:1.5px solid var(--hc-blue)}
.hc-hero-points{display:flex;flex-wrap:wrap;gap:12px;margin:0;padding:0;list-style:none;max-width:640px}
.hc-hero-points li{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--hc-card);border:1px solid var(--hc-line);border-radius:14px;box-shadow:var(--hc-shadow);font-size:13px;color:var(--hc-muted)}
.hc-hero-points .hc-ico{width:36px;height:36px;padding:7px;border-radius:50%;background:var(--hc-soft)}
.hc-hero-points span{display:grid;line-height:1.35}
.hc-hero-points b{font-size:14.5px;color:var(--hc-ink);font-weight:600}

/* Tiêu đề khối */
.hc-title{display:flex;align-items:center;gap:12px;margin:0 0 22px;font-size:19px;font-weight:700;text-transform:uppercase;color:var(--hc-head);letter-spacing:.2px}
.hc-title .hc-ico{width:26px;height:26px}
.hc-title-lg{font-size:21px;margin:0}
.hc-title-lg .hc-ico{width:34px;height:34px}

/* Cơ sở + khóa học */
.hc-split{display:grid;grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr);gap:28px;padding-top:40px;padding-bottom:36px}
.hc-campuses{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:14px;background:var(--hc-soft);border-radius:18px;box-shadow:var(--hc-shadow)}
.hc-campus{display:flex;flex-direction:column;gap:10px;padding:10px;border-radius:14px;background:var(--hc-card);transition:transform .2s,box-shadow .2s}
.hc-campus:hover{transform:translateY(-3px);box-shadow:var(--hc-shadow-hover)}
.hc-campus strong{font-size:14px;color:var(--hc-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hc-campus img{width:100%;aspect-ratio:2.2;object-fit:cover;border-radius:10px}
.hc-campus-addr{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;color:var(--hc-text);line-height:1.45}
.hc-campus-addr .hc-ico{width:18px;height:18px;margin-top:1px}
.hc-campus small{padding-top:8px;border-top:1px solid var(--hc-line);font-size:12px;color:var(--hc-muted);text-align:center}
.hc-courses{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.hc-course{--c:#1a5fd0;--bg:#e8f2ff;display:flex;flex-direction:column;align-items:center;text-align:center;padding:18px 12px 20px;border-radius:16px;background:linear-gradient(180deg,var(--bg),var(--hc-tile-end) 130%);box-shadow:var(--hc-shadow);border:1px solid var(--hc-line);transition:transform .2s,box-shadow .2s}
.hc-course:hover{transform:translateY(-5px);box-shadow:var(--hc-shadow-hover)}
.hc-course-art{display:grid;place-items:center;width:78px;height:78px;margin-bottom:14px;border-radius:50%;background:var(--hc-art);box-shadow:0 0 0 6px var(--hc-art-ring)}
.hc-course-art svg{width:56px;height:56px}
.hc-course-art img{width:54px;height:54px;object-fit:contain}
.hc-course h3{min-height:2.6em;display:flex;align-items:center;margin:0 0 10px;font-size:15px;line-height:1.3;color:var(--c);font-weight:700}
.hc-course p{margin:0;font-size:12.5px;color:var(--hc-muted);line-height:1.5}
.hc-course h3,.hc-course p{text-wrap:balance}
.hc-blue{--c:#164fae;--bg:#ddebff}
.hc-green{--c:#1b8a4c;--bg:#d9f5e3}
.hc-purple{--c:#6b3fc6;--bg:#ebe2ff}
.hc-orange{--c:#d9531e;--bg:#ffe7d2}
.hc-sky{--c:#163f8a;--bg:#e2edfb}
.hc-sky h3{font-size:13.5px}
html[data-theme="dark"] .hc-blue{--c:#9cc2ff;--bg:#1d3358}
html[data-theme="dark"] .hc-green{--c:#7fdca6;--bg:#173a2c}
html[data-theme="dark"] .hc-purple{--c:#c5a8ff;--bg:#2d2552}
html[data-theme="dark"] .hc-orange{--c:#ffab7a;--bg:#41281c}
html[data-theme="dark"] .hc-sky{--c:#b4d0ff;--bg:#1b2d4c}

/* Đội ngũ giáo viên */
.hc-band{padding:38px 0 42px;background:var(--hc-band)}
.hc-band-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.hc-band-head .hc-script{margin:0;font-size:24px}
.hc-band-head .hc-script span{color:var(--hc-blue)}
.hc-teachers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.hc-teacher>button{display:flex;flex-direction:column;width:100%;height:100%;padding:0;border:0;border-radius:16px;overflow:hidden;background:var(--hc-card);box-shadow:var(--hc-shadow);text-align:left;font:inherit;color:inherit;cursor:pointer;transition:transform .2s,box-shadow .2s}
.hc-teacher>button:hover{transform:translateY(-5px);box-shadow:var(--hc-shadow-hover)}
.hc-teacher>button:focus-visible{outline:3px solid var(--hc-blue);outline-offset:3px}
.hc-teacher-photo{display:flex;justify-content:center;align-items:flex-end;height:210px;padding-top:14px;background:var(--hc-photo)}
.hc-teacher-photo img{height:100%;width:auto;object-fit:contain}
.hc-teacher-body{display:flex;flex-direction:column;flex:1;padding:16px 18px 18px}
.hc-teacher-badge{align-self:flex-start;margin-bottom:8px;padding:3px 10px;border-radius:999px;background:var(--hc-soft);color:var(--hc-blue);font-size:11.5px;font-weight:600}
.hc-teacher strong{font-size:16px;color:var(--hc-ink)}
.hc-teacher small{margin-top:3px;font-size:12.5px;color:var(--hc-blue);line-height:1.4}
.hc-teacher ul{margin:12px 0 0;padding-left:16px;font-size:12.5px;color:var(--hc-text);line-height:1.7}
.hc-teacher-more{margin-top:auto;padding-top:12px;font-size:12.5px;font-weight:600;color:var(--hc-blue)}

/* Vì sao + liên hệ */
.hc-why-row{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,.8fr);gap:18px;align-items:center;padding-top:24px;padding-bottom:26px}
.hc-why ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;padding:0;list-style:none}
.hc-why li{display:flex;flex-direction:column;align-items:center;gap:12px;padding:4px 10px;text-align:center;font-size:14.5px;font-weight:600;color:var(--hc-text);line-height:1.4}
.hc-why-text{white-space:nowrap}
.hc-why li+li{border-left:1px solid var(--hc-line)}
.hc-why-ico{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:var(--hc-soft)}
.hc-why-ico .hc-ico{width:28px;height:28px}
.hc-lab{position:relative;margin:0}
.hc-lab img{width:64%;aspect-ratio:1.35;object-fit:cover;border-radius:24px 60px 60px 24px;box-shadow:var(--hc-shadow)}
.hc-lab figcaption{position:absolute;right:0;top:4px;font-size:22px;line-height:1.15;transform:rotate(-6deg)}

/* Footer */
.hc-footer{background:var(--hc-foot);padding:28px 0 0}
.hc-footer-card{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.35fr);border-radius:22px;background:var(--hc-card);border:1px solid var(--hc-line);box-shadow:var(--hc-shadow);overflow:hidden}
.hc-reach{display:flex;flex-direction:column;justify-content:space-between;gap:18px;padding:24px;color:var(--hc-text);border-right:1px solid var(--hc-line)}
.hc-brand{display:flex;align-items:center;gap:12px}
.hc-brand img{width:52px;height:52px;border-radius:12px}
.hc-brand span{display:grid;line-height:1.1}
.hc-brand b{font-size:26px;font-weight:700;letter-spacing:-.6px;color:var(--hc-blue-d)}
.hc-brand small{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--hc-blue)}
.hc-reach-call{display:grid;gap:4px;padding:16px 18px;border-radius:14px;background:var(--hc-soft)}
.hc-reach-label{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--hc-ink)}
.hc-reach-phone{font-size:32px;font-weight:800;letter-spacing:.3px;color:var(--hc-blue)!important;line-height:1.2}
.hc-reach-call small{font-size:13px;color:var(--hc-muted)}
.hc-reach-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.hc-reach-actions>*{display:flex;align-items:center;justify-content:center;gap:7px;min-height:46px;padding:0 6px;border:0;border-radius:12px;background:var(--hc-soft);color:var(--hc-blue-d)!important;font:700 13px/1.2 inherit;white-space:nowrap;cursor:pointer;transition:background .15s,transform .15s}
.hc-reach-actions>:hover{background:var(--hc-line);transform:translateY(-1px)}
.hc-reach-actions .hc-ico{width:18px;height:18px}
.hc-zalo-mark{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#0068ff;color:#fff;font-size:7px;font-weight:800}
.hc-where{display:flex;flex-direction:column;gap:14px;padding:24px}
.hc-where h2{display:flex;align-items:center;gap:8px;margin:0;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--hc-ink)}
.hc-where h2 .hc-ico{width:18px;height:18px;color:var(--hc-blue)}
.hc-where-tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hc-where-tabs button{display:grid;gap:3px;padding:10px 12px;border:1.5px solid var(--hc-line);border-radius:12px;background:var(--hc-card);color:var(--hc-text);font:inherit;text-align:left;cursor:pointer;transition:border-color .15s,background .15s}
.hc-where-tabs button:hover{border-color:var(--hc-blue)}
.hc-where-tabs b{font-size:13.5px;color:var(--hc-ink)}
.hc-where-tabs span{font-size:12.5px;line-height:1.45;color:var(--hc-muted)}
.hc-where-tabs button[aria-selected="true"]{border-color:var(--hc-blue);background:var(--hc-soft)}
.hc-where-tabs button[aria-selected="true"] b{color:var(--hc-blue-d)}
.hc-where iframe{display:block;width:100%;flex:1;min-height:200px;border:0;border-radius:14px;background:var(--hc-soft);filter:var(--hc-img-filter)}
.hc-copy{margin:22px 0 0;padding:14px;text-align:center;font-size:12px;color:var(--hc-muted);border-top:1px solid var(--hc-line)}

@media (max-width:1180px){
  .hc-split{grid-template-columns:1fr}
  .hc-why-row{grid-template-columns:1fr 1fr}
  .hc-why{grid-column:1/-1}
}
@media (max-width:1100px){
  .hc-hero{flex-direction:column;align-items:stretch;min-height:0}
  .hc .hc-hero-img{position:relative;width:100%;height:auto;aspect-ratio:2.01;-webkit-mask-image:none;mask-image:none;order:2}
  .hc-teachers{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hc-courses{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:860px){
  .hc-footer-card{grid-template-columns:1fr}
  .hc-reach{border-right:0;border-bottom:1px solid var(--hc-line)}
}
@media (max-width:640px){
  .hc-reach,.hc-where{padding:20px 16px}
  .hc-reach-phone{font-size:27px}
  .hc-where-tabs{grid-template-columns:1fr}
  .hc-reach-actions>*{flex-direction:column;gap:4px;min-height:58px;font-size:12.5px}
  .hc-wrap{padding:0 16px}
  .hc-hero-kicker{font-size:28px}
  .hc-hero h1{font-size:clamp(22px,7vw,29px)}
  .hc-hero-in{padding-top:24px;padding-bottom:24px}
  .hc-hero-points{gap:8px}
  .hc-hero-points li{padding:8px 12px}
  .hc-hero-name{font-size:18px}
  .hc-hero-actions{display:flex}
  .hc-hero-cta{flex-wrap:nowrap;gap:8px}
  .hc-hero-cta .hc-btn{flex:1 1 0;min-width:0;justify-content:center;gap:6px;padding:0 8px;font-size:clamp(12px,3.4vw,15px);white-space:nowrap}
  .hc-hero-points li{flex:1 1 100%}
  .hc-campuses{grid-template-columns:1fr}
  .hc-courses{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hc-course:last-child{grid-column:1/-1}
  .hc-teachers{grid-template-columns:1fr}
  .hc-why ul{grid-template-columns:1fr 1fr;row-gap:20px}
  .hc-why li:nth-child(3){border-left:0}
  .hc-why li{padding-inline:4px;font-size:clamp(12.5px,4vw,14.5px)}
  .hc-why-row{grid-template-columns:1fr}
  .hc-lab{display:none}
}
@media (max-width:360px){.hc-hero-cta .hc-btn>span[aria-hidden]{display:none}}
@media (prefers-reduced-motion:reduce){.hc *{transition:none!important}}

/* Các dải nền (hero, giáo viên, chân trang) nằm gọn trong khung nội dung, không tràn hết chiều ngang màn hình. */
.hc-hero,.hc-band,.hc-footer{width:min(1192px,calc(100% - 48px));margin-inline:auto;border-radius:24px;overflow:hidden}
.hc-hero{margin-top:20px}
.hc-footer{margin-bottom:24px}
.hc-hero .hc-wrap,.hc-band .hc-wrap,.hc-footer .hc-wrap{padding-inline:32px}
@media (max-width:640px){
  .hc-hero,.hc-band,.hc-footer{width:calc(100% - 32px);border-radius:18px}
  .hc-hero{margin-top:12px}
  .hc-hero .hc-wrap,.hc-band .hc-wrap,.hc-footer .hc-wrap{padding-inline:16px}
}

/* Cân đối hai khối "Địa chỉ" và "Khóa học": cùng chiều cao, tiêu đề và mô tả các thẻ thẳng hàng, ghi chú cơ sở nằm sát đáy. */
.hc-split{align-items:stretch}
.hc-block{display:flex;flex-direction:column}
.hc-campuses,.hc-courses{flex:1}
.hc-campus small{margin-top:auto}
.hc-course h3{min-height:3.6em;justify-content:center}
.hc-sky h3{min-height:calc(3.6em * 15 / 13.5)}

/* Thẻ cơ sở: ảnh vệ tinh Google Maps nhúng thay cho ảnh minh họa. */
.hc-campus-map{display:block;width:100%;aspect-ratio:2.2;border:0;border-radius:10px;background:var(--hc-soft)}
.hc-campus-addr span{display:grid}
.hc-campus-addr em{font-style:normal;font-size:12px;font-weight:600;color:var(--hc-blue)}
.hc-campus-addr:hover em{text-decoration:underline}

/* Popup "Đăng ký ngay" */
.hc-signup{width:min(460px,calc(100vw - 24px));max-height:92vh;padding:0;border:0;border-radius:20px;background:var(--hc-card);color:var(--hc-text);box-shadow:0 30px 90px #0a142a66;overflow:auto}
.hc-signup::backdrop{background:#0a1426a6;backdrop-filter:blur(4px)}
.hc-signup-form{position:relative;display:grid;gap:12px;padding:24px}
.hc-signup h2{margin:0;font-size:22px;color:var(--hc-head)}
.hc-signup-lead{margin:-4px 0 4px;font-size:13.5px;color:var(--hc-muted)}
.hc-signup-close{position:absolute;right:14px;top:14px;width:34px;height:34px;border:0;border-radius:50%;background:var(--hc-soft);color:var(--hc-ink);cursor:pointer}
.hc-signup label{display:grid;gap:5px;font-size:13.5px;font-weight:600;color:var(--hc-ink)}
.hc-signup label b{color:#d93025}
.hc-signup input:not([type=checkbox]){min-height:42px;padding:0 12px;border:1px solid var(--hc-line);border-radius:10px;background:var(--hc-card);color:var(--hc-ink);font:15px inherit}
.hc-signup input:focus{outline:2px solid var(--hc-blue);outline-offset:1px}
.hc-signup fieldset{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 14px;margin:0;padding:10px 12px;border:1px solid var(--hc-line);border-radius:12px}
.hc-signup legend{padding:0 6px;font-size:13.5px;font-weight:600;color:var(--hc-ink)}
.hc-signup .hc-check{display:flex;align-items:center;gap:10px;font-weight:500;cursor:pointer}
.hc-check input{width:18px;height:18px;accent-color:var(--hc-blue)}
@media (max-width:480px){.hc-signup fieldset{grid-template-columns:1fr}}
.hc-signup-msg{margin:0;padding:10px 12px;border-radius:10px;background:var(--a-bad-soft);color:var(--a-bad);font-size:13.5px}
.hc-signup-msg.is-ok{background:var(--a-good-soft);color:var(--a-good)}
.hc-signup-submit{justify-content:center;border:0;cursor:pointer}
.hc-signup-submit:disabled{opacity:.7;cursor:progress}
html:has(.hc){scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html:has(.hc){scroll-behavior:auto}}