/* Céveon v3. Tokens per DESIGN.md. Display Playfair Display, body Pretendard (+Noto per lang). Single interactive ink; green = "on". */
:root{color-scheme:light;--canvas:#F5F8FB;--surface:#FFFFFF;--soft:#E6EEF8;--ink:#14213A;--clinical:#173560;--clinical-2:#2A5190;--bio:#8FB3E0;--green:#9DBF95;--muted:#5F6B7D;--line:#D9E1EA;--on-ink:#F5F8FB;
 --bg:var(--canvas);--fg:var(--ink);--card:var(--surface);--bio-soft:var(--soft);
 --display:"Playfair Display",Georgia,serif;--body:"Pretendard Variable",Pretendard,"Noto Sans KR",system-ui,-apple-system,sans-serif;
 --ease:cubic-bezier(.16,1,.3,1);--shadow:0 24px 60px rgba(23,53,96,.14);--wrap:1240px}
:lang(ja){--body:"Pretendard Variable","Noto Sans JP",system-ui,sans-serif}:lang(zh-CN){--body:"Pretendard Variable","Noto Sans SC",system-ui,sans-serif}:lang(th){--body:"Noto Sans Thai","Pretendard Variable",system-ui,sans-serif}
*{box-sizing:border-box}html{height:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.65;font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;color:inherit}strong,b{font-weight:600}
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.06;margin:0;letter-spacing:-.015em;text-wrap:balance}
h1 em,h2 em{font-style:italic;font-weight:400}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.lead{font-size:18px;line-height:1.55;font-weight:300;color:var(--muted);max-width:52ch}
.eyebrow{font-size:13.5px;color:var(--muted);font-weight:600}
section{padding-block:110px}
/* chrome */
.promo{background:var(--ink);color:var(--on-ink);font-size:12.5px;text-align:center;height:36px;display:flex;align-items:center;justify-content:center;letter-spacing:.03em;position:relative;z-index:60;padding-inline:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:480px){.promo{font-size:11px}.logo{font-size:24px}}
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:18px 28px;transition:background .4s,padding .4s,border-color .4s,color .4s;border-bottom:1px solid transparent}
.nav.over{position:fixed;left:0;right:0;color:var(--on-ink)}
.nav.scrolled{background:color-mix(in srgb,var(--canvas) 82%,transparent);backdrop-filter:blur(16px);padding:12px 28px;border-color:var(--line);color:var(--ink)}
.logo{font-family:var(--display);font-size:28px;letter-spacing:.01em;display:inline-flex;align-items:baseline;justify-self:start}
.logo .o{display:inline-block;position:relative;width:.62em;height:.62em;border:.09em solid currentColor;border-radius:50%;margin:0 .02em;top:.06em}
.logo .o::after{content:"";position:absolute;left:50%;top:-.14em;width:.08em;height:.36em;background:var(--green);transform:translateX(-50%);border-radius:1px}
.menu{display:flex;gap:30px;list-style:none;margin:0;padding:0;font-size:14px;letter-spacing:.01em}
.menu>li{position:relative;padding-block:6px}
.menu>li>a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.menu>li:hover>a::after,.menu>li:focus-within>a::after{transform:scaleX(1)}
.util{display:flex;gap:18px;font-size:13px;align-items:center;justify-self:end}
.util .bag{position:relative;display:inline-flex;align-items:center;gap:6px}
.util .bag i{font-style:normal;min-width:18px;height:18px;border-radius:50%;background:var(--clinical);color:var(--on-ink);font-size:11px;display:grid;place-items:center;padding-inline:5px;transition:transform .3s var(--ease)}
.nav.over .util .bag i{background:var(--on-ink);color:var(--ink)}.nav.scrolled .util .bag i{background:var(--clinical);color:var(--on-ink)}
/* mega menu */
.mega{position:absolute;left:50%;top:100%;transform:translate(-50%,8px);width:min(960px,92vw);background:var(--surface);border:1px solid var(--line);padding:28px;display:grid;grid-template-columns:1fr 1fr 1fr 1.3fr;gap:28px;opacity:0;pointer-events:none;transition:opacity .25s,transform .35s var(--ease);color:var(--ink);text-align:left;z-index:55}
.menu>li:hover .mega,.menu>li:focus-within .mega{opacity:1;pointer-events:auto;transform:translate(-50%,0)}
.mega b{display:block;font-size:13px;color:var(--muted);margin-bottom:12px;font-weight:600}
.mega a{display:block;padding:6px 0;font-size:14.5px}.mega a:hover{color:var(--clinical-2)}
.mega .feat{background:var(--soft);padding:16px;display:grid;gap:8px}.mega .feat img{aspect-ratio:4/5;object-fit:cover;width:100%}.mega .feat span{font-size:13px}
/* dropdown (custom listbox) */
.dd{position:relative;display:inline-block}
.dd>button{display:inline-flex;align-items:center;gap:8px;border:1px solid currentColor;border-radius:999px;padding:7px 14px;background:transparent;font-size:12.5px;letter-spacing:.02em;line-height:1.2}
.dd>button::after{content:"";width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s}
.dd[aria-expanded="true"]>button::after{transform:rotate(225deg) translateY(-2px)}
.dd ul{position:absolute;top:calc(100% + 8px);left:0;min-width:100%;margin:0;padding:6px;list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:8px;color:var(--ink);opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .2s,transform .3s var(--ease);z-index:70;white-space:nowrap}
.dd.right ul{left:auto;right:0}
.dd[aria-expanded="true"] ul{opacity:1;pointer-events:auto;transform:none}
.dd li{padding:9px 12px;border-radius:6px;font-size:13.5px;display:flex;align-items:center;gap:10px;cursor:pointer}
.dd li::before{content:"";width:7px;height:7px;border-radius:50%;background:transparent;border:1px solid var(--line);flex:none}
.dd li[aria-selected="true"]::before{background:var(--green);border-color:var(--green)}
.dd li:hover,.dd li.focus{background:var(--soft)}
/* buttons */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:999px;background:var(--clinical);color:var(--on-ink);font-size:14px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;overflow:hidden;isolation:isolate;transition:transform .2s var(--ease);line-height:1.2}
.btn::before{content:"";position:absolute;inset:0;background:var(--clinical-2);transform:translateY(101%);transition:transform .45s var(--ease);z-index:-1}
.btn:hover::before{transform:translateY(0)}.btn:active{transform:scale(.97)}
.btn.ghost{background:transparent;color:var(--clinical);border-color:var(--clinical)}.btn.ghost::before{background:var(--clinical)}.btn.ghost:hover{color:var(--on-ink)}
.btn.light{background:var(--on-ink);color:var(--clinical)}.btn.light::before{background:#fff}
.btn.sm{padding:10px 18px;font-size:13px}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--bio);outline-offset:3px}
/* tiles */
.tile{display:block;background:var(--surface);border:1px solid var(--line);color:inherit;position:relative}
.tile .well{background:var(--soft);aspect-ratio:4/5;overflow:hidden}
.tile .well img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.tile:hover .well img{transform:scale(1.04)}
.tile .meta{padding:16px 18px 18px;display:grid;gap:4px}
.tile .meta h3{font-family:var(--body);font-size:15px;font-weight:600;line-height:1.3}
.tile .meta .step{font-size:12.5px;color:var(--muted)}
.tile .meta .row{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-variant-numeric:tabular-nums}
.tile .meta .row b{font-weight:400}
.tile .quick{position:absolute;top:14px;right:14px;background:var(--surface);border:1px solid var(--line);border-radius:999px;font-size:11.5px;padding:6px 10px;opacity:0;transform:translateY(-6px);transition:.3s}.tile:hover .quick{opacity:1;transform:none}
/* forms */
.field{position:relative;margin-bottom:22px}
.field input,.field select{width:100%;height:48px;border:0;border-bottom:1px solid var(--line);background:transparent;padding:18px 0 4px;font:inherit;font-size:15px;color:var(--ink);border-radius:0}
.field label{position:absolute;left:0;top:14px;font-size:14px;color:var(--muted);transition:.2s var(--ease);pointer-events:none}
.field input:focus,.field input:not(:placeholder-shown){border-bottom-color:var(--clinical);outline:none}
.field input:focus+label,.field input:not(:placeholder-shown)+label{top:0;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.field .err{display:none;font-size:12px;color:#B3261E;margin-top:4px}.field.invalid .err{display:block}.field.invalid input{border-bottom-color:#B3261E}
/* accordion */
.acc details{border-top:1px solid var(--line)}.acc details:last-child{border-bottom:1px solid var(--line)}
.acc summary{list-style:none;cursor:pointer;padding:18px 0;display:flex;justify-content:space-between;align-items:center;font-size:16px}.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";font-family:var(--display);font-size:24px;color:var(--clinical);transition:transform .3s var(--ease)}.acc details[open] summary::after{transform:rotate(45deg)}
.acc p{margin:0 0 18px;color:var(--muted);max-width:60ch}
/* drawer + toast + scrim */
.scrim{position:fixed;inset:0;background:rgba(20,33,58,.35);z-index:80;opacity:0;pointer-events:none;transition:opacity .4s}.scrim.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(420px,92vw);background:var(--surface);border-left:1px solid var(--line);z-index:90;transform:translateX(100%);display:flex;flex-direction:column;padding:28px;box-shadow:var(--shadow);transition:transform .5s var(--ease)}
.drawer.on{transform:none}
.drawer h3{font-size:26px;color:var(--clinical);margin-bottom:16px}
.drawer ul{list-style:none;padding:0;margin:0;flex:1;overflow:auto;display:grid;gap:8px;align-content:start}
.drawer li{display:grid;grid-template-columns:56px 1fr auto;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding:10px 0;font-size:14px;font-variant-numeric:tabular-nums}
.drawer li img{width:56px;height:70px;object-fit:cover;background:var(--soft)}
.drawer li .q{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--muted)}.drawer li .q button{border:1px solid var(--line);background:none;width:22px;height:22px;border-radius:50%;line-height:1}
.drawer .tot{display:flex;justify-content:space-between;font-family:var(--display);font-size:22px;padding:18px 0 14px}
.drawer .x{position:absolute;top:20px;right:20px;background:none;border:0;font-size:24px;color:var(--muted)}
.drawer .empty{color:var(--muted);font-size:14px}
.toast{position:fixed;left:50%;bottom:calc(28px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);background:var(--ink);color:var(--on-ink);padding:12px 20px;border-radius:999px;font-size:13.5px;opacity:0;pointer-events:none;transition:.35s var(--ease);z-index:95;display:flex;gap:10px;align-items:center}
.toast.on{opacity:1;transform:translate(-50%,0)}.toast i{width:8px;height:8px;border-radius:50%;background:var(--green)}
/* split text, marquee, cursor */
.split .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding:.12em .02em .18em;margin:-.12em -.02em -.18em}.split .c{display:inline-block;transform:translateY(110%);will-change:transform}
.split.done .c{transform:none!important}.split.done .w{overflow:visible}
.marquee{overflow:hidden;white-space:nowrap;border-block:1px solid var(--line);padding-block:14px;font-family:var(--display);font-size:clamp(18px,2.6vw,30px);color:var(--clinical)}
.marquee .track{display:inline-flex;gap:56px;will-change:transform;padding-right:56px}.marquee i{font-style:normal;color:var(--green)}
.cur{position:fixed;left:0;top:0;width:10px;height:10px;border-radius:50%;background:var(--clinical);pointer-events:none;z-index:999;transform:translate(-50%,-50%);transition:width .25s,height .25s,opacity .25s;mix-blend-mode:multiply;opacity:0}
.cur.on{opacity:.9}.cur.big{width:64px;height:64px;background:var(--bio);opacity:.55}
@media (hover:none){.cur{display:none}}
/* footer */
.footer{border-top:1px solid var(--line);padding:64px 0 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;font-size:14px;color:var(--muted)}
.footer .big{font-family:var(--display);font-size:clamp(40px,7vw,96px);color:var(--ink);line-height:.95;letter-spacing:-.02em;margin-bottom:14px}
.footer b{display:block;color:var(--ink);font-weight:600;margin-bottom:12px;font-size:13.5px}
.footer a,.footer span{display:block;margin-bottom:8px;line-height:1.5}.footer a:hover{color:var(--clinical-2)}
.footer .legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px;font-size:12px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.tag{position:fixed;left:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));background:var(--ink);color:#fff;font-size:11px;padding:7px 11px;border-radius:6px;z-index:60;letter-spacing:.05em}.tag a{color:#BFD4F0;text-decoration:underline}
/* page header */
.ph{padding:56px 0 28px;display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap}
.ph h1{font-size:clamp(40px,5.6vw,72px);color:var(--clinical)}
.crumb{font-size:12.5px;color:var(--muted);margin-bottom:10px}.crumb a:hover{color:var(--clinical-2)}
@media (max-width:860px){.menu{display:none}.nav{grid-template-columns:auto 1fr;padding:14px 20px}.util{justify-self:end}section{padding-block:70px}.footer{grid-template-columns:1fr 1fr}.wrap{padding-inline:16px}.mega{display:none}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.split .c{transform:none!important}.cur{display:none}*{transition-duration:.01ms!important}}