/* Layout: 강연 무대의 블루 스크린 — 선명한 블루 그라데이션 밴드 위 흰 글씨, 시안 포인트, 본문은 맑은 흰 바탕 */
:root{
  --bg:#f3f6fd;
  --surface:#ffffff;
  --ink:#0c1838;
  --ink-soft:#4a5778;
  --line:#d8e1f3;
  --blue:#3a2fd0;
  --band-a:#22158f;
  --band-b:#3a2fd0;
  --band-c:#4f5ff0;
  --on-band:#ffffff;
  --on-band-soft:rgba(255,255,255,.82);
  --cyan:#a9e6ff;
  --font:"IBM Plex Sans KR","Pretendard","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#081028;--surface:#111b3a;--ink:#eaf0ff;--ink-soft:#a7b4d6;--line:#24305c;--blue:#9a92ff;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#081028;--surface:#111b3a;--ink:#eaf0ff;--ink-soft:#a7b4d6;--line:#24305c;--blue:#9a92ff;color-scheme:dark}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.75;word-break:keep-all}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--surface)}
a{color:inherit}
img{max-width:100%}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
h1,h2,h3{margin:0;font-weight:700;line-height:1.3;text-wrap:balance;letter-spacing:-.02em}
h2{font-size:clamp(26px,4vw,36px)}
h3{font-size:20px}
p{margin:0}
.wrap{max-width:1100px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);font-weight:500}
.pt{color:var(--cyan)}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;padding-block:12px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--band-a),var(--band-c));color:var(--on-band);font-weight:700;font-size:15px}
.logo b{font-size:19px;letter-spacing:-.02em}
.logo small{font-size:12px;color:var(--ink-soft)}
.links{display:flex;gap:4px;margin-left:auto}
.links a{text-decoration:none;color:var(--ink-soft);font-size:15px;font-weight:500;padding:8px 12px;border-radius:8px;white-space:nowrap}
.links a:hover{color:var(--ink);background:var(--bg)}
.links a[aria-current="page"]{color:var(--blue);background:color-mix(in srgb,var(--blue) 10%,transparent)}
@media (max-width:820px){
  .nav{flex-wrap:wrap;row-gap:6px}
  .links{order:3;width:100%;margin-left:0;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
  .nav .btn{margin-left:auto}
}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--blue);color:#fff;text-decoration:none;font-weight:600;font-size:15px;padding:11px 20px;border-radius:999px;white-space:nowrap;border:1.5px solid transparent}
.btn:hover{filter:brightness(1.08)}
.btn.light{background:#fff;color:var(--band-a)}
.btn.outline{background:transparent;color:var(--on-band);border-color:rgba(255,255,255,.6)}

/* blue band */
.band{background:linear-gradient(120deg,var(--band-a) 0%,var(--band-b) 55%,var(--band-c) 100%);color:var(--on-band);position:relative;overflow:hidden}
.band::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;border:60px solid rgba(255,255,255,.07);pointer-events:none}
.band .eyebrow{color:var(--cyan)}
.band .lead{color:var(--on-band-soft)}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-block:76px 72px;position:relative;z-index:1}
.hero>*{min-width:0}
.hero h1{font-size:clamp(34px,5.6vw,58px);margin-top:14px;letter-spacing:-.035em}
.lead{margin-top:20px;font-size:18px;max-width:34em}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
@media (max-width:860px){.hero{grid-template-columns:1fr;padding-block:52px}}

.page-hero{padding-block:60px 56px;position:relative;z-index:1}
.page-hero h1{font-size:clamp(30px,5vw,48px);margin-top:12px;letter-spacing:-.03em}
.crumb{font-size:13.5px;color:var(--on-band-soft);margin-bottom:18px}
.crumb a{text-decoration:none}
.crumb a:hover{text-decoration:underline}

/* note card */
.note{background:var(--surface);color:var(--ink);border-radius:16px;box-shadow:0 30px 60px -30px rgba(5,20,70,.6);overflow:hidden}
.note-head{display:flex;justify-content:space-between;align-items:center;padding:16px 22px;border-bottom:1px solid var(--line)}
.note-head b{font-size:16px}
.note-head span{font-family:var(--mono);font-size:12px;color:var(--ink-soft)}
.note dl{margin:0}
.note .row{display:grid;grid-template-columns:80px 1fr;gap:12px;padding:13px 22px;border-bottom:1px solid var(--line);font-size:14.5px}
.note dt{font-family:var(--mono);font-size:12px;color:var(--blue);padding-top:3px}
.note dd{margin:0;min-width:0}
.note .foot{padding:12px 22px;font-size:12.5px;color:var(--ink-soft)}
.up{color:var(--blue);font-weight:700}
.check{display:inline-block;width:14px;height:14px;border:1.5px solid var(--blue);border-radius:4px;margin-right:6px;vertical-align:-2px}
.check.on{background:var(--blue)}

/* sections */
section{padding-block:76px}
.sec-head{display:grid;gap:12px;max-width:42em;margin-bottom:40px}
.sec-head p{color:var(--ink-soft)}
.alt{background:var(--surface);border-block:1px solid var(--line)}

/* link cards (home) */
.gates{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.gate{display:grid;gap:10px;align-content:start;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px 28px;text-decoration:none;transition:border-color .2s,transform .2s}
.gate:hover{border-color:var(--blue);transform:translateY(-3px)}
.gate .tag{font-family:var(--mono);font-size:12px;color:var(--blue)}
.gate p{color:var(--ink-soft);font-size:15.5px}
.gate .more{color:var(--blue);font-weight:600;font-size:15px;margin-top:6px}
@media (max-width:720px){.gates{grid-template-columns:1fr}}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px 24px;display:grid;gap:12px;align-content:start}
.alt .card{background:var(--bg)}
.card .tag{font-family:var(--mono);font-size:12px;color:var(--blue)}
.card p{color:var(--ink-soft);font-size:15.5px}
.card ul{margin:0;padding-left:18px;font-size:14.5px;display:grid;gap:4px}
.cards.two{grid-template-columns:repeat(2,1fr)}
.cards.four{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.cards,.cards.four{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.cards,.cards.two,.cards.four{grid-template-columns:1fr}}

/* numbered steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s}
.steps li{counter-increment:s;border-top:3px solid var(--blue);padding-top:16px;display:grid;gap:8px;align-content:start}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--mono);font-size:13px;color:var(--blue)}
.steps b{font-size:18px}
.steps span{font-size:14.5px;color:var(--ink-soft)}
.band .steps li{border-top-color:var(--cyan)}
.band .steps li::before{color:var(--cyan)}
.band .steps span{color:var(--on-band-soft)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

/* timeline */
.road{overflow-x:auto;padding:12px 0 8px}
.road ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(var(--n,5),minmax(190px,1fr));min-width:calc(var(--n,5) * 190px);border-top:3px solid var(--blue)}
.road li{padding:24px 18px 0;position:relative}
.road li::before{content:"";position:absolute;top:-10px;left:18px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:3px solid var(--blue)}
.road li.key::before{background:var(--blue)}
.road .yr{font-family:var(--mono);font-size:13px;color:var(--blue);font-weight:500}
.road h3{font-size:19px;margin:6px 0 8px}
.road p{font-size:14.5px;color:var(--ink-soft)}
.alt .road li::before{background:var(--surface)}
.alt .road li.key::before{background:var(--blue)}

/* check list */
.who{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;list-style:none;margin:0;padding:0}
.who li{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:15.5px}
.who li::before{content:"✓";flex-shrink:0;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--blue);color:#fff;font-size:12px;font-weight:700;margin-top:2px}
@media (max-width:640px){.who{grid-template-columns:1fr}}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split>*{min-width:0}
@media (max-width:860px){.split{grid-template-columns:1fr}}

/* closing */
.close{border-radius:20px;padding:44px 40px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
.close .lead{margin-top:10px;font-size:16.5px}
@media (max-width:760px){.close{grid-template-columns:1fr;padding:32px 24px}}

/* skip link, header extras, full menu */
.skip{position:absolute;left:-9999px;top:0;z-index:50;background:var(--blue);color:#fff;padding:10px 14px}
.skip:focus{left:16px;top:calc(8px + env(safe-area-inset-top,0px))}
.top .wrap{position:relative}
.logo-t{display:grid;line-height:1.2}
.tagline{font-size:12.5px;line-height:1.4;color:var(--ink-soft);border-left:1px solid var(--line);padding-left:14px}
@media (max-width:980px){.tagline{display:none}}
.menu summary{list-style:none;cursor:pointer;font-weight:600;font-size:15px;padding:9px 16px;border:1.5px solid var(--line);border-radius:999px;white-space:nowrap}
.menu summary::-webkit-details-marker{display:none}
.menu[open] summary{border-color:var(--blue);color:var(--blue)}
.menu-panel{position:absolute;right:max(16px,env(safe-area-inset-right,0px));top:calc(100% + 8px);width:min(300px,calc(100vw - 32px));background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 50px -20px rgba(10,15,60,.45);padding:10px;display:grid;z-index:30}
.menu-panel a{text-decoration:none;padding:10px 12px;border-radius:8px;font-size:15px}
.menu-panel a:hover{background:var(--bg);color:var(--blue)}
.menu-panel a[aria-current="page"]{color:var(--blue);font-weight:600}
.menu-panel hr{border:0;border-top:1px solid var(--line);margin:6px 4px}
@media (max-width:820px){.menu{margin-left:auto}}

/* brand hero panel */
.sys{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);border-radius:18px;padding:28px 26px;display:grid;gap:14px;backdrop-filter:blur(4px)}
.sys .eyebrow{color:var(--cyan)}
.sys-list{display:grid;gap:4px;margin:0;padding:0;list-style:none}
.sys-list li{font-size:clamp(26px,3.4vw,34px);font-weight:700;letter-spacing:-.03em;line-height:1.3}
.sys p{color:var(--on-band-soft);font-size:15px}

/* function cards */
.funcs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.func{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px 24px;display:grid;gap:12px;align-content:start}
.func .num{font-family:var(--mono);font-size:12.5px;color:var(--blue);letter-spacing:.06em}
.func p{color:var(--ink-soft);font-size:15.5px}
.out{font-size:13.5px;border-top:1px dashed var(--line);padding-top:12px;color:var(--ink)}
.out b{color:var(--blue);font-weight:600;margin-right:6px}
@media (max-width:900px){.funcs{grid-template-columns:1fr}}
.flow{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px;font-weight:600;font-size:15px}
.flow span{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 16px}
.flow i{font-style:normal;color:var(--blue)}

/* quality criteria */
.qc{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--ink)}
.qc article{padding:22px 20px 0 0;display:grid;gap:8px;align-content:start}
.qc .num{font-family:var(--mono);font-size:13px;color:var(--blue)}
.qc h3{font-size:18px}
.qc p{font-size:14.5px;color:var(--ink-soft)}
@media (max-width:900px){.qc{grid-template-columns:1fr 1fr;row-gap:24px}}
@media (max-width:520px){.qc{grid-template-columns:1fr}}

.btnrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.btn.line{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.line:hover{border-color:var(--blue);color:var(--blue);filter:none}

/* footer */
footer{padding-block:48px 32px;font-size:14px;color:var(--ink-soft);border-top:1px solid var(--line);background:var(--surface)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.foot-grid>div{display:grid;gap:8px;align-content:start;min-width:0}
.foot-h{font-size:14px;color:var(--ink);margin-bottom:4px}
.foot-tag{line-height:1.7;margin-top:8px}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:36px;padding-top:20px;border-top:1px solid var(--line);font-size:13px}
footer a{text-decoration:none}
footer a:hover{color:var(--blue)}
@media (max-width:720px){.foot-grid{grid-template-columns:1fr 1fr}.foot-grid>div:first-child{grid-column:1/-1}}

.fab{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:15;background:#fee500;color:#191919;box-shadow:0 10px 24px -10px rgba(0,0,0,.5)}
@media (prefers-reduced-motion:reduce){.gate{transition:none}.gate:hover{transform:none}}

/* stats in hero */
.stat{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 16px;margin:0}
.stat>div{display:flex;flex-direction:column-reverse;gap:2px;min-width:0}
.stat dt{font-size:13px;color:var(--on-band-soft);line-height:1.45}
.stat dd{margin:0;font-size:clamp(28px,3.6vw,38px);font-weight:700;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.15}
.stat dd small{font-size:.5em;font-weight:600;margin-left:2px}
.fine{font-size:12px;color:var(--on-band-soft)}

/* people */
.people{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.person{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px 26px;display:grid;gap:10px;align-content:start}
.alt .person{background:var(--bg)}
.person .role{font-family:var(--mono);font-size:12.5px;color:var(--blue)}
.person h3{font-size:24px}
.person p{color:var(--ink-soft);font-size:15.5px}
@media (max-width:720px){.people{grid-template-columns:1fr}}

/* letter */
.letter{max-width:44em;display:grid;gap:18px;font-size:17px}
.letter p{color:var(--ink)}
.letter blockquote{margin:0;padding:18px 22px;border-left:4px solid var(--blue);background:var(--surface);border-radius:0 12px 12px 0;font-weight:600;display:grid;gap:6px}
.letter .sign{color:var(--ink-soft);font-size:15px}

/* info rows */
.info{margin:0;display:grid;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.info>div{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:16px 22px;border-bottom:1px solid var(--line)}
.info>div:last-child{border-bottom:0}
.info dt{font-weight:600;color:var(--blue);font-size:14.5px}
.info dd{margin:0;min-width:0;font-variant-numeric:tabular-nums}
@media (max-width:520px){.info>div{grid-template-columns:1fr;gap:2px}}
.rule{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px 24px;display:grid;gap:10px}

/* linked card */
a.card{text-decoration:none;transition:border-color .2s}
a.card:hover{border-color:var(--blue)}
a.card .more{color:var(--blue);font-weight:600;font-size:14.5px}

/* school calendar */
:root{--c-exam:#e0453a;--c-csat:#3a2fd0;--c-mock:#0f8f8a;--c-admit:#8a3fd1;--c-event:#6a7593;--c-off:#2f9a4f}
.dday{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:40px}
.dd{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 22px 20px;display:grid;gap:6px;align-content:start}
.dd b{font-size:clamp(30px,4vw,40px);letter-spacing:-.03em;color:var(--blue);font-variant-numeric:tabular-nums;line-height:1.1}
.dd strong{font-size:17px}
.dd span{font-size:13.5px;color:var(--ink-soft)}
@media (max-width:760px){.dday{grid-template-columns:1fr}}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:8px}
.chip{font:inherit;font-size:14.5px;font-weight:600;padding:8px 16px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink-soft);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:#fff}
.toolbar .past-btn{margin-left:auto;background:transparent;border-style:dashed}
.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--ink-soft);margin:14px 0 6px}
.legend i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;vertical-align:1px}
.month{display:grid;grid-template-columns:150px 1fr;gap:24px;padding-block:26px;border-top:1px solid var(--line)}
.month>*{min-width:0}
.month h3{font-size:30px;letter-spacing:-.03em;line-height:1.1}
.month h3 small{display:block;font-size:13px;font-weight:500;color:var(--ink-soft);letter-spacing:0;margin-bottom:4px;font-family:var(--mono)}
.month .now{display:inline-block;margin-top:8px;font-size:12px;font-weight:700;color:#fff;background:var(--blue);padding:3px 10px;border-radius:999px}
.ev{list-style:none;margin:0;padding:0;display:grid}
.ev li{display:grid;grid-template-columns:118px 1fr auto;gap:14px;align-items:baseline;padding:12px 0;border-bottom:1px dashed var(--line)}
.ev li:last-child{border-bottom:0}
.ev time{font-family:var(--mono);font-size:13.5px;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.ev .t{font-weight:600;display:flex;gap:10px;align-items:baseline;min-width:0}
.ev .t::before{content:"";flex-shrink:0;width:9px;height:9px;border-radius:50%;background:var(--c);transform:translateY(-1px)}
.ev .g{font-size:12.5px;color:var(--ink-soft);white-space:nowrap}
.ev li.k .t{color:var(--c)}
.ev li.past{opacity:.45}
.ev .tag2{font-size:11.5px;font-weight:700;color:var(--c);border:1px solid var(--c);border-radius:6px;padding:0 6px;margin-left:2px;white-space:nowrap}
@media (max-width:640px){.month{grid-template-columns:1fr;gap:10px}.ev li{grid-template-columns:96px 1fr;row-gap:2px}.ev .g{grid-column:2}}
.src{font-size:13px;color:var(--ink-soft);margin-top:20px}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--c-exam:#ff7a6e;--c-csat:#a9a2ff;--c-mock:#3fc9c2;--c-admit:#c58dff;--c-event:#9aa4c0;--c-off:#5fcf7f}}
:root[data-theme="dark"]{--c-exam:#ff7a6e;--c-csat:#a9a2ff;--c-mock:#3fc9c2;--c-admit:#c58dff;--c-event:#9aa4c0;--c-off:#5fcf7f}
[hidden]{display:none!important}

/* photos */
.ph{margin:0;display:grid;gap:10px;align-content:start;min-width:0}
.ph img{display:block;width:100%;aspect-ratio:var(--ar,4/3);object-fit:cover;border-radius:14px;background:var(--line)}
.ph figcaption{font-size:14px;line-height:1.6;color:var(--ink-soft)}
.ph figcaption b{display:block;color:var(--ink);font-size:15.5px}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.gal.three{grid-template-columns:repeat(3,1fr)}
.gal.two{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.gal,.gal.three{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.gal,.gal.three,.gal.two{grid-template-columns:1fr}}
.pledge{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:12px}
.pledge li{display:grid;gap:2px;padding-left:16px;border-left:3px solid var(--blue)}
.pledge b{font-size:16px}
.pledge span{font-size:14.5px;color:var(--ink-soft)}
.person .portrait{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:top;border-radius:12px;background:var(--line);margin-bottom:8px}

/* promo / gongska */
:root{--hot:#ffd84a;--hot-ink:#1a1240}
.ribbon{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 12px;background:var(--hot);color:var(--hot-ink);text-decoration:none;font-size:14px;font-weight:600;padding:9px max(16px,env(safe-area-inset-right,0px)) 9px max(16px,env(safe-area-inset-left,0px));text-align:center}
.ribbon b{font-weight:800}
.rb-tag{background:var(--hot-ink);color:var(--hot);font-family:var(--mono);font-size:11px;letter-spacing:.1em;padding:2px 8px;border-radius:4px}
.rb-go{text-decoration:underline;text-underline-offset:3px}
.promo-sec{padding-block:36px 0}
.promo{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;text-decoration:none;color:var(--on-band);background:linear-gradient(120deg,#1a0f6e,#3a2fd0 60%,#5b4cf5);border-radius:24px;padding:40px 44px;position:relative;overflow:hidden;box-shadow:0 30px 60px -30px rgba(30,15,120,.6)}
.promo::after{content:"44%";position:absolute;right:-20px;bottom:-60px;font-size:220px;font-weight:800;letter-spacing:-.06em;color:rgba(255,255,255,.06);pointer-events:none;line-height:1}
.promo>*{position:relative;z-index:1;min-width:0}
.promo-badge{display:inline-block;background:var(--hot);color:var(--hot-ink);font-weight:700;font-size:13.5px;padding:5px 12px;border-radius:999px}
.promo h2{margin-top:14px;font-size:clamp(24px,3.4vw,34px)}
.promo h2 em{font-style:normal;color:var(--hot)}
.promo p{margin-top:12px;color:var(--on-band-soft);font-size:15.5px}
.promo-r{display:grid;gap:10px;justify-items:start;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);border-radius:18px;padding:24px 26px}
.promo-price{font-size:22px;font-weight:700;line-height:1}
.promo-price b{font-size:clamp(64px,8vw,92px);color:var(--hot);letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.promo-sub{font-size:15px;color:var(--on-band-soft)}
.promo-sub b{color:#fff;font-size:18px}
.promo:hover .btn{filter:brightness(1.05)}
@media (max-width:820px){.promo{grid-template-columns:1fr;padding:30px 24px}}

.event{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:24px;overflow:hidden;border:2px solid var(--hot-ink);background:var(--hot);color:var(--hot-ink)}
.event>*{min-width:0}
.ev-l{padding:36px 36px;display:grid;gap:12px;align-content:center}
.ev-l .eyebrow{color:var(--hot-ink)}
.ev-l h2{font-size:clamp(28px,4vw,42px);letter-spacing:-.03em}
.ev-status{display:inline-block;justify-self:start;background:var(--hot-ink);color:var(--hot);font-weight:700;padding:6px 14px;border-radius:999px;font-size:14.5px;font-variant-numeric:tabular-nums}
.ev-r{background:#fff;color:#14112e;padding:32px 36px;display:grid;gap:18px;align-content:center}
.ev-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;border-bottom:1px dashed #d6d3ea;padding-bottom:14px}
.ev-row:last-of-type{border-bottom:0}
.ev-row span{font-weight:600;font-size:15.5px}
.ev-row small{display:block;font-weight:500;color:#5b5878;font-size:13px}
.ev-row b{font-size:clamp(40px,5.6vw,60px);letter-spacing:-.04em;color:#3a2fd0;font-variant-numeric:tabular-nums;line-height:1}
.ev-row b i{font-style:normal;font-size:.4em;margin-left:2px}
.ev-row .off{font-size:15px;font-weight:700;color:#fff;background:#e0453a;padding:2px 10px;border-radius:999px;margin-left:8px;vertical-align:middle}
.ev-r .btn{justify-self:start;background:#3a2fd0;color:#fff}
.ev-note{font-size:13px;color:#5b5878}
@media (max-width:820px){.event{grid-template-columns:1fr}.ev-l,.ev-r{padding:28px 22px}}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:0;padding:0;list-style:none}
.quotes li{background:var(--surface);border:1px solid var(--line);border-radius:16px 16px 16px 4px;padding:20px 22px;font-size:16px;font-weight:600}
@media (max-width:760px){.quotes{grid-template-columns:1fr}}
.truth{margin-top:36px;display:grid;gap:12px;max-width:44em}
.truth strong{font-size:clamp(22px,3vw,28px);letter-spacing:-.02em;line-height:1.4}
.truth strong em{font-style:normal;color:var(--blue)}
.truth p{color:var(--ink-soft)}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding-block:40px;border-top:1px solid var(--line)}
.feat:first-of-type{border-top:0;padding-top:0}
.feat>*{min-width:0}
.feat.rev>.ph{order:-1}
.feat h3{font-size:clamp(22px,2.8vw,28px);margin:8px 0 12px}
.feat p{color:var(--ink-soft)}
.feat ul{margin:14px 0 0;padding-left:18px;display:grid;gap:6px;font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chips span{font-size:13.5px;font-weight:600;padding:6px 12px;border-radius:999px;background:color-mix(in srgb,var(--blue) 10%,transparent);color:var(--blue)}
@media (max-width:820px){.feat{grid-template-columns:1fr;gap:20px}.feat.rev>.ph{order:0}}
.links a[href="studycafe.html"]{color:var(--blue);font-weight:700}
.links a[href="studycafe.html"]::after{content:"44%";margin-left:6px;font-size:11px;font-weight:800;background:var(--hot);color:var(--hot-ink);padding:1px 6px;border-radius:999px;vertical-align:2px}
.ribbon s{opacity:.6;font-weight:600}
.promo-was{font-size:17px;color:var(--on-band-soft)}
.promo-was s{text-decoration-thickness:2px}
.ev-price{display:grid;justify-items:end;gap:2px}
.ev-price s{font-size:17px;color:#7a7796;text-decoration-thickness:2px;font-weight:600}
.ev-price .off{font-style:normal;margin-left:0}
@media (max-width:600px){.br-d{display:none}}
.masonry{columns:4 220px;column-gap:20px;margin-top:24px}
.masonry .ph{break-inside:avoid;margin-bottom:22px;display:grid}
.masonry .ph img{object-fit:contain;background:var(--surface);border:1px solid var(--line)}

/* philosophy */
.phil{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.phil article{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px 24px;display:grid;gap:10px;align-content:start}
.phil-k{font-size:clamp(26px,3vw,34px);font-weight:800;letter-spacing:-.02em;color:var(--blue)}
.phil p{font-size:16.5px;color:var(--ink-soft)}
.phil p b{color:var(--ink)}
@media (max-width:760px){.phil{grid-template-columns:1fr}}
/* subject gates */
.subj{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.subj a{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:14px;align-items:center;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 22px;transition:border-color .2s}
.subj a:hover{border-color:var(--blue)}
.subj span{grid-row:1/3;font-size:13px;font-weight:700;color:#fff;background:var(--blue);border-radius:10px;padding:8px 10px}
.subj b{font-size:22px;letter-spacing:-.02em}
.subj em{font-style:normal;font-size:13.5px;color:var(--ink-soft)}
@media (max-width:820px){.subj{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.subj{grid-template-columns:1fr}}
/* tabs + timetable */
.tabbar{position:sticky;top:calc(env(safe-area-inset-top,0px) + 66px);z-index:8;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:12px 0;background:var(--bg);margin-bottom:12px;scroll-margin-top:80px}
.tab{flex-shrink:0;text-decoration:none;font-weight:700;font-size:15px;padding:10px 18px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink-soft)}
.tab[aria-selected="true"]{background:var(--blue);border-color:var(--blue);color:#fff}
.panel{display:grid;gap:28px;padding-top:8px}
.panel-head h2 small{font-size:.55em;color:var(--ink-soft);font-weight:600}
.tt-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.tt{width:100%;border-collapse:collapse;min-width:560px;font-size:15px}
.tt th,.tt td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.tt thead th{font-size:13px;color:var(--ink-soft);font-weight:600;background:color-mix(in srgb,var(--blue) 6%,transparent)}
.tt tbody tr:last-child th,.tt tbody tr:last-child td{border-bottom:0}
.tt tbody th{font-weight:700;color:var(--blue);white-space:nowrap}
.tt tbody th small{font-weight:600;color:var(--ink-soft)}
.tt .tm{font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap}
.days{display:inline-flex;gap:3px}
.days i{font-style:normal;width:24px;height:24px;display:grid;place-items:center;border-radius:6px;font-size:12px;font-weight:600;color:var(--ink-soft);background:var(--bg)}
.days i.on{background:var(--blue);color:#fff}
.days-na{font-size:13px;color:var(--ink-soft)}
.method{display:grid;gap:14px}
.m-title{font-size:20px}
.layers{list-style:none;margin:0;padding:0;display:flex;flex-direction:column-reverse;align-items:center;gap:8px}
.layers li{width:var(--w);max-width:100%;display:grid;grid-template-columns:auto auto 1fr;gap:12px;align-items:baseline;background:color-mix(in srgb,var(--blue) calc(14% + var(--d,0%)),var(--surface));border-radius:12px;padding:14px 18px}
.layers li:nth-child(1){--d:0%}.layers li:nth-child(2){--d:16%}.layers li:nth-child(3){--d:32%}
.layers b{font-size:17px}
.layers span{font-size:13px;color:var(--ink-soft)}
.layers p{font-size:14.5px;min-width:0}
@media (max-width:640px){.layers li{width:100%;grid-template-columns:auto 1fr}.layers p{grid-column:1/-1}}
.m-note{font-size:clamp(18px,2.4vw,22px);font-weight:700;color:var(--blue);letter-spacing:-.02em}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.trio-c{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;display:grid;gap:8px;align-content:start}
.trio-k{font-family:var(--mono);font-size:12.5px;color:var(--blue)}
.trio-c h4{margin:0;font-size:18px}
.trio-c p{font-size:14.5px;color:var(--ink-soft)}
.trio-r{justify-self:start;font-size:13px;font-weight:700;background:var(--ink);color:var(--bg);padding:4px 10px;border-radius:6px}
@media (max-width:820px){.trio{grid-template-columns:1fr}}
.acc{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:12px;padding:22px 24px}
.acc p{color:var(--ink-soft)}
.flow3{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;counter-reset:f}
.flow3 li{counter-increment:f;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;display:grid;gap:4px;font-size:14.5px;color:var(--ink-soft)}
.flow3 li::before{content:"STEP " counter(f);font-family:var(--mono);font-size:12px;color:var(--blue)}
.flow3 b{color:var(--ink);font-size:16px;margin-bottom:4px}
@media (max-width:760px){.flow3{grid-template-columns:1fr}}
.chips.big span{font-size:14.5px;padding:10px 16px}
/* stages */
.stages{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stages article{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px 24px;display:grid;gap:12px;align-content:start}
.st-k{justify-self:start;font-weight:800;color:#fff;background:var(--blue);padding:6px 14px;border-radius:999px;font-size:15px}
.stages h3{font-size:19px}
.stages ul{margin:0;padding-left:18px;display:grid;gap:8px;font-size:14.5px;color:var(--ink-soft)}
.stages ul b{color:var(--ink)}
@media (max-width:900px){.stages{grid-template-columns:1fr}}
.panel{scroll-margin-top:150px}
@media (max-width:820px){.tabbar{position:static}.panel{scroll-margin-top:20px}}
@media (max-width:640px){
  .tt-wrap{overflow:visible;border:0;background:transparent}
  .tt{min-width:0;display:block}
  .tt thead{display:none}
  .tt tbody{display:grid;gap:10px}
  .tt tr{display:grid;grid-template-columns:1fr auto;gap:6px 12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
  .tt th,.tt td{padding:0;border:0}
  .tt tbody th{grid-column:1;white-space:normal}
  .tt td:nth-child(2){grid-column:1/-1;grid-row:2;font-size:14px;color:var(--ink-soft)}
  .tt td:nth-child(3){grid-column:1/-1;grid-row:3}
  .tt td.tm{grid-column:2;grid-row:1;text-align:right}
}
@media (max-width:820px){.tabbar{scroll-margin-top:136px}}
@media (max-width:820px){.panel{scroll-margin-top:205px}}
.card .tag.tag-lg{font-family:var(--font);font-size:16px;font-weight:700;letter-spacing:0}

/* custom cursor (mouse devices only) */
.cur-dot,.cur-ring{position:fixed;left:0;top:0;pointer-events:none;z-index:9999;border-radius:50%;opacity:0;transition:opacity .2s}
.cur-dot{width:8px;height:8px;margin:-4px 0 0 -4px;background:#3a2fd0;box-shadow:0 0 0 2px rgba(255,255,255,.9)}
.cur-ring{width:40px;height:40px;margin:-20px 0 0 -20px;border:2px solid #3a2fd0;box-shadow:0 0 0 1.5px rgba(255,255,255,.7),inset 0 0 0 1.5px rgba(255,255,255,.5);transition:width .25s,height .25s,margin .25s,background-color .25s,border-color .25s,opacity .2s}
.cur-on .cur-dot,.cur-on .cur-ring{opacity:1}
.cur-on.cur-hover .cur-ring{width:68px;height:68px;margin:-34px 0 0 -34px;background:rgba(255,216,74,.35);border-color:#ffd84a}
.cur-on.cur-hover .cur-dot{opacity:0}
.cur-down .cur-ring{width:30px;height:30px;margin:-15px 0 0 -15px}
html.cur-hide,html.cur-hide a,html.cur-hide button,html.cur-hide summary{cursor:none}