/* Public website — modern indigo/violet theme (works with theme.css) */
body.site{background:#fff;font-size:16.5px;line-height:1.65}
body.site header.top{background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
body.site .nav{height:72px}
body.site .brand{gap:12px}
body.site .brand .logo{width:42px;height:42px;font-size:21px}
body.site .brand b{font-size:19px;font-weight:800;letter-spacing:-.02em}
body.site .brand small{font-size:12.5px;color:var(--muted);letter-spacing:0;text-transform:none;font-weight:500}
body.site .links{gap:6px}
body.site .links a{font-size:14.5px;font-weight:600;color:var(--ink2);padding:8px 12px;border-radius:10px}
body.site .links a:hover{background:var(--paper)}
body.site .links a.on{color:var(--brand-d);background:var(--brand-l)}
.call-link{font-weight:700;text-decoration:none;color:var(--ink);font-size:14.5px;white-space:nowrap;padding:8px 12px;border-radius:10px;background:var(--paper)}
@media (max-width:1150px){.call-link{display:none}}

/* hero */
.s-hero{position:relative;padding:72px 0 84px;overflow:hidden;
  background:radial-gradient(45% 55% at 85% 20%,rgba(168,85,247,.16) 0,transparent 70%),radial-gradient(40% 50% at 10% 10%,rgba(79,70,229,.14) 0,transparent 70%),radial-gradient(35% 40% at 60% 100%,rgba(236,72,153,.10) 0,transparent 70%),#fff}
.s-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(79,70,229,.12) 1px,transparent 1px);background-size:22px 22px;mask-image:linear-gradient(180deg,#000 0,transparent 85%);-webkit-mask-image:linear-gradient(180deg,#000 0,transparent 85%)}
.s-hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
@media (max-width:920px){.s-hero .wrap{grid-template-columns:1fr;gap:36px}.s-hero{padding:44px 0 56px}}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #e0e7ff;border-radius:999px;padding:6px 14px 6px 6px;font-size:13.5px;font-weight:600;color:var(--ink2);box-shadow:var(--shadow);margin-bottom:22px}
.hero-badge i{font-style:normal;background:var(--grad);color:#fff;border-radius:999px;padding:3px 10px;font-size:12px}
.s-hero h1{font-size:clamp(40px,6vw,70px);line-height:1.04;max-width:14ch}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.s-hero .lead{font-size:18.5px;color:var(--ink2);max-width:34em;margin:20px 0 28px}
.s-hero .cta{display:flex;gap:12px;flex-wrap:wrap}
body.site .s-hero .btn{padding:14px 22px;font-size:16px}
.facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.facts div{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 14px;font-size:13.5px;color:var(--muted);box-shadow:var(--shadow)}
.facts div i{font-style:normal;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:17px}
.facts b{display:block;color:var(--ink);font-size:14.5px}
.ic-a{background:#eef2ff}.ic-b{background:#f5f3ff}.ic-c{background:#ecfdf5}.ic-d{background:#fff7ed}.ic-e{background:#fdf2f8}.ic-f{background:#f0f9ff}

/* sample question card */
.omr{background:#fff;border-radius:22px;padding:22px 22px 18px;border:1px solid #e0e7ff;box-shadow:0 30px 70px -30px rgba(79,70,229,.45);position:relative}
.omr-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-bottom:14px}
.omr-head b{background:var(--brand-l);color:var(--brand-d);border-radius:999px;padding:4px 12px;font-size:12.5px}
.omr-q{font-size:18px;font-weight:700;line-height:1.45;color:var(--ink);margin-bottom:16px}
.omr-opts{display:grid;gap:8px}
.omr-opt{display:flex;align-items:center;gap:14px;background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:11px 14px;font:inherit;font-size:16.5px;text-align:left;color:var(--ink);cursor:pointer;transition:border-color .15s, background .15s}
.omr-opt:hover{border-color:#a5b4fc;background:#fafaff}
.bubble{width:30px;height:30px;border-radius:50%;border:2px solid #c7d2fe;display:grid;place-items:center;font-size:12.5px;font-weight:800;color:var(--brand);flex:0 0 auto;transition:all .2s}
.omr-opt.right{border-color:#86efac;background:#f0fdf4} .omr-opt.right .bubble{background:var(--green);border-color:var(--green);color:#fff}
.omr-opt.wrong{border-color:#fda4af;background:#fff1f2} .omr-opt.wrong .bubble{background:var(--red);border-color:var(--red);color:#fff}
.omr-opt[disabled]{cursor:default}
.omr-foot{margin-top:14px;font-size:14.5px;color:var(--ink2);min-height:46px}
.omr-foot b{color:var(--ink)}
.omr-foot a{color:var(--brand);font-weight:700}
@keyframes pop{from{transform:scale(.5)}to{transform:scale(1)}}
.omr-opt.right .bubble,.omr-opt.wrong .bubble{animation:pop .2s ease-out}

/* sections */
body.site section{padding:84px 0}
body.site section.tight{padding:52px 0}
body.site .sec-head{max-width:680px}
body.site .sec-head h2,body.site .sec-row h2{font-size:clamp(28px,3.8vw,42px)}
body.site .sec-head p{color:var(--ink2);font-size:17.5px}
.alt{background:var(--paper)}

/* notices */
body.site .n-date{background:var(--brand-l)}
body.site .n-date b{color:var(--brand-d)}
body.site .notice.pinned{border-left:4px solid var(--brand) !important}
body.site .notice h3{font-size:17px;font-weight:700}

/* course list in a card */
.syllabus{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.syl-row{display:grid;grid-template-columns:1.3fr 1.6fr .9fr .9fr;gap:20px;padding:20px 24px;border-bottom:1px solid var(--line);align-items:center}
.syl-row:last-child{border-bottom:0}
.syl-row:not(.syl-head):hover{background:#fafaff}
.syl-row h3{font-size:19px;font-weight:800}
.syl-row .subj{color:var(--ink2);font-size:15px}
.syl-row .fee{font-weight:800;color:var(--ink)}
.syl-row .meta2{color:var(--muted);font-size:14px}
.syl-head{font-size:12.5px;font-weight:700;color:var(--muted);background:var(--paper);padding:12px 24px}
@media (max-width:760px){.syl-row{grid-template-columns:1fr;gap:4px}.syl-head{display:none}}

/* weekly rhythm (a real sequence) */
.cycle{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:c}
.cycle div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow);counter-increment:c;position:relative}
.cycle div::before{content:counter(c);display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;font-size:16px;margin-bottom:16px}
.cycle h3{font-size:18px;margin-bottom:6px}
.cycle p{color:var(--ink2);font-size:15px}
@media (max-width:900px){.cycle{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.cycle{grid-template-columns:1fr}}

/* parents' report preview */
.report-show{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media (max-width:900px){.report-show{grid-template-columns:1fr}}
.phone{max-width:330px;margin:0 auto;border:9px solid #0f172a;border-radius:38px;background:#fff;overflow:hidden;box-shadow:0 50px 90px -40px rgba(79,70,229,.55)}
.phone .ph-top{background:var(--grad);color:#fff;padding:18px 18px 20px}
.phone .ph-top small{color:#e0e7ff;display:block}
.phone .ph-top b{font-size:18px;font-weight:800}
.phone .ph-score{display:flex;align-items:center;gap:14px;margin-top:12px}
.phone .ring2{width:64px;height:64px;border-radius:50%;background:conic-gradient(#fde68a 78%,rgba(255,255,255,.25) 0);display:grid;place-items:center;position:relative}
.phone .ring2::after{content:"";position:absolute;inset:6px;border-radius:50%;background:#6d4ff0}
.phone .ring2 span{position:relative;z-index:1;font-weight:800}
.phone .ph-body{padding:14px 18px 18px;font-size:14px}
.phone .ph-row{display:flex;justify-content:space-between;padding:7px 0 3px}
.phone .ph-bar{height:8px;background:var(--brand-l);border-radius:4px}
.phone .ph-bar i{display:block;height:100%;background:var(--grad);border-radius:4px}
.ticks{list-style:none;margin-top:18px;display:grid;gap:10px}
.ticks li{padding:14px 16px 14px 56px;position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;color:var(--ink2);box-shadow:var(--shadow)}
.ticks li::before{content:"✓";position:absolute;left:14px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:9px;background:var(--brand-l);color:var(--brand);display:grid;place-items:center;font-weight:800}
.ticks b{color:var(--ink)}

/* toppers / reviews / branches */
body.site .t-score{color:var(--brand-d);font-weight:800}
body.site .ph{background:var(--brand-l)} body.site .ph span{color:var(--brand)}
body.site .review .stars{color:var(--amber)}
body.site .branch{border-radius:20px}

/* faq */
.faq{display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;box-shadow:var(--shadow)}
.faq details[open]{border-color:#c7d2fe}
.faq summary{cursor:pointer;font-weight:700;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";width:28px;height:28px;border-radius:8px;background:var(--brand-l);color:var(--brand);display:grid;place-items:center;font-size:18px;flex:0 0 auto}
.faq details[open] summary::after{content:"−"}
.faq p{margin-top:10px;color:var(--ink2)}

/* cta, page head, footer */
body.site .cta-band{padding:20px 0 84px;background:none}
body.site .cta-band .wrap{background:var(--grad);border-radius:28px;padding:44px 40px;color:#fff;box-shadow:0 30px 60px -30px rgba(79,70,229,.7)}
body.site .cta-inner h2{font-size:clamp(26px,3.6vw,38px)}
body.site .cta-inner p{color:#e0e7ff}
body.site .cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
body.site .page-head{padding:60px 0 48px}
body.site .page-head h1{font-size:clamp(32px,5vw,50px)}
body.site .site-foot .logo{width:40px;height:40px}
body.site .foot-social a,body.site .foot-install{color:#a5b4fc !important}

/* floating WhatsApp */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:40;background:#22c55e;color:#fff;border-radius:999px;padding:12px 18px;font-weight:700;text-decoration:none;box-shadow:0 14px 30px -12px rgba(22,163,74,.7);display:flex;gap:8px;align-items:center;font-size:15px}
.wa-float svg{width:20px;height:20px}
@media (max-width:600px){
  .wa-float span{display:none}.wa-float{padding:14px}
  body.site #portalBtn{white-space:nowrap;padding:8px 12px;font-size:14px}
  body.site .brand small{display:none}
  body.site section{padding:56px 0}
  body.site .cta-band .wrap{padding:30px 22px;border-radius:20px}
}
body.site .links a{white-space:nowrap}
@media (max-width:1300px){.call-link{display:none}}
.s-hero h1{font-size:clamp(40px,5.4vw,64px);max-width:15ch}
body.site .brand b,body.site #portalBtn{white-space:nowrap}