:root{--ink:#0b1220;--ink2:#121b2e;--line:rgba(11,18,32,.1);--gold:#c9a96e;--teal:#6ebec8;--mut:#5b6475;--bg:#f7f6f2}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{word-break:keep-all;font-family:Pretendard,-apple-system,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;letter-spacing:-.01em;line-height:1.6}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.serif{font-family:'Cormorant Garamond',serif;font-weight:500;font-style:italic;letter-spacing:0}
.mono{font-family:'JetBrains Mono',monospace;font-size:.85em;letter-spacing:0}
.eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:20px}
.nav{position:fixed;top:0;left:0;right:0;z-index:50;color:#fff;transition:.35s}
.nav.scrolled{background:rgba(11,18,32,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav-in{display:flex;justify-content:space-between;align-items:center;height:76px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:19px;letter-spacing:.02em}
.brand em{font-style:normal;font-weight:400;font-size:13px;opacity:.55;letter-spacing:.1em}
.links{display:flex;gap:36px;align-items:center;font-size:14px}
.links a{opacity:.75;transition:.2s}.links a:hover{opacity:1}
.btn-sm{border:1px solid rgba(255,255,255,.3);padding:8px 18px;border-radius:999px;opacity:1!important}
.hero{position:relative;background:radial-gradient(ellipse at 75% 30%,#1a2742 0%,var(--ink) 60%);color:#fff;overflow:hidden;padding:170px 0 120px}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 80%)}
.hero-in{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
h1{font-size:clamp(34px,4.2vw,56px);line-height:1.18;font-weight:600;letter-spacing:-.035em}
h1 .serif{font-size:1.12em;color:var(--gold);font-weight:500}
.lead{margin:28px 0 40px;color:rgba(255,255,255,.66);font-size:17px;max-width:470px;line-height:1.8}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{background:#fff;color:var(--ink);padding:14px 26px;border-radius:999px;font-size:15px;font-weight:600;transition:.25s}
.btn:hover{background:var(--gold)}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn.ghost:hover{border-color:#fff}
.window{background:linear-gradient(180deg,#141e33,#0e1626);border:1px solid rgba(255,255,255,.09);border-radius:14px;box-shadow:0 40px 80px -20px rgba(0,0,0,.6);overflow:hidden}
.win-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.06);font-size:12px;color:rgba(255,255,255,.45)}
.win-bar i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.14)}
.win-bar span{margin-left:10px}
.ceph{position:relative}
.ceph-svg{display:block;width:100%}
.pts circle{fill:#0b1220;stroke:var(--gold);stroke-width:1.6}
.pts text{fill:rgba(255,255,255,.75);font:500 11px 'JetBrains Mono',monospace}
.readout{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.06)}
.readout div{padding:14px 16px;border-right:1px solid rgba(255,255,255,.06)}
.readout div:last-child{border:0}
.readout span{display:block;font-size:11px;color:rgba(255,255,255,.45);letter-spacing:.1em}
.readout b{font:500 18px 'JetBrains Mono',monospace;color:#fff}
.caption{margin-top:14px;font-size:12px;color:rgba(255,255,255,.35);text-align:right}
.section{padding:140px 0}
.sec-head{max-width:640px;margin-bottom:90px}
h2{font-size:clamp(30px,3.4vw,44px);font-weight:600;letter-spacing:-.03em;line-height:1.25}
.sec-head>p:last-child{margin-top:16px;color:var(--mut);font-size:17px}
.product{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:center;padding:70px 0;border-top:1px solid var(--line)}
.product.rev .p-copy{order:2}
.tag{display:inline-block;font-size:12px;font-weight:600;color:#8a6d3b;background:rgba(201,169,110,.14);border:1px solid rgba(201,169,110,.35);padding:5px 12px;border-radius:999px}
.p-num{font:500 13px 'JetBrains Mono',monospace;color:var(--mut);margin:26px 0 8px}
h3{font-size:34px;font-weight:600;letter-spacing:-.03em}
.p-en{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:21px;color:var(--mut);margin-bottom:22px}
.p-copy>p:not(.p-num):not(.p-en){color:#3a4252;font-size:16px;line-height:1.85}
.p-copy ul{list-style:none;margin-top:26px;border-top:1px solid var(--line)}
.p-copy li{padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;display:flex;gap:12px}
.p-copy li:before{content:'';width:14px;height:1px;background:var(--gold);margin-top:12px;flex:none}
.card-ui{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:0 30px 60px -30px rgba(11,18,32,.25)}
.ui-head{display:flex;justify-content:space-between;font-size:13px;font-weight:600;color:var(--mut);padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:8px}
.mtable{width:100%;border-collapse:collapse;font-size:14px}
.mtable th{text-align:left;font-weight:500;color:var(--mut);font-size:12px;padding:10px 0}
.mtable td{padding:13px 0;border-top:1px solid var(--line)}
.bar{display:block;width:90px;height:4px;background:#eceae4;border-radius:2px;position:relative}
.bar s{position:absolute;left:0;top:0;bottom:0;background:var(--ink);border-radius:2px}
.bar:after{content:'';position:absolute;left:50%;top:-3px;width:1px;height:10px;background:var(--gold)}
.odonto{padding:18px 0 6px}
.row{display:grid;grid-template-columns:repeat(16,1fr);gap:4px}
.row+.row{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.tooth{display:flex;flex-direction:column;align-items:center;gap:5px}
.tooth span{font:400 9.5px 'JetBrains Mono',monospace;color:var(--mut)}
.tooth i{width:100%;max-width:24px;height:30px;border:1.3px solid #c5c9d2;border-radius:6px 6px 9px 9px;background:#fbfbfa}
.row+.row .tooth i{border-radius:9px 9px 6px 6px}
.tooth.molar i{height:26px}
.tooth.c i{background:rgba(196,84,84,.14);border-color:#c45454}
.tooth.r i{background:rgba(110,190,200,.2);border-color:#3f9aa6}
.tooth.m i{border-style:dashed;background:transparent;opacity:.5}
.tooth.sel i{box-shadow:0 0 0 3px rgba(201,169,110,.45)}
.legend{display:flex;gap:18px;font-size:12px;color:var(--mut);margin-top:16px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.l-c{background:#c45454}.l-r{background:#3f9aa6}.l-m{border:1px dashed #999}
.note{margin-top:16px;padding:12px 14px;background:var(--bg);border-radius:8px;font-size:13px}
.note .mono{color:#8a6d3b;margin-right:8px}
.dark{background:var(--ink);color:#fff}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.1)}
.pillar{padding:44px 40px 10px 0}
.pillar+.pillar{padding-left:40px;border-left:1px solid rgba(255,255,255,.1)}
.pillar .mono{color:var(--gold);font-size:14px}
.pillar h4{font-size:22px;font-weight:600;margin:18px 0 12px}
.pillar p{color:rgba(255,255,255,.6);font-size:15px;line-height:1.85}
.name-in{text-align:center}
.formula{display:flex;justify-content:center;align-items:baseline;gap:24px;flex-wrap:wrap;margin:10px 0 30px}
.formula .serif{font-size:clamp(48px,7vw,92px);line-height:1}
.formula b{font-weight:300;font-size:36px;color:var(--mut)}
.gold{color:var(--gold)}
.name-copy{font-size:18px;color:#3a4252;max-width:560px;margin:0 auto}
.name-copy em{font-family:'Cormorant Garamond',serif;color:var(--mut);margin:0 2px}
.contact{background:#efede6;padding:120px 0}
.contact-in{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap}
.contact-in p:last-child{color:var(--mut);margin-top:18px}
.mail{display:flex;align-items:center;gap:18px;font-size:clamp(20px,2.4vw,30px);font-weight:500;border-bottom:1px solid var(--ink);padding-bottom:10px;transition:.25s}
.mail:hover{color:#8a6d3b;border-color:var(--gold);gap:26px}
.footer{background:var(--ink);color:#fff;padding:56px 0}
.foot-in{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;font-size:13px}
.disc{color:rgba(255,255,255,.5);max-width:520px}
.copy{color:rgba(255,255,255,.35)}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.12s}.d2{transition-delay:.24s}
@media (max-width:900px){
.wrap{padding:0 22px}
.links a:not(.btn-sm){display:none}
.hero{padding:130px 0 80px}
.hero-in,.product{grid-template-columns:1fr;gap:44px}
.product.rev .p-copy{order:0}
.section{padding:90px 0}.sec-head{margin-bottom:40px}
.pillars{grid-template-columns:1fr}
.pillar,.pillar+.pillar{padding:32px 0;border-left:0;border-bottom:1px solid rgba(255,255,255,.1)}
.card-ui{padding:18px}
.row{gap:2px}.tooth span{font-size:7.5px}.tooth i{height:22px}.tooth.molar i{height:20px}
.readout b{font-size:15px}.readout div{padding:12px 10px}
.formula{gap:12px}
}
/* v3 rich color + photos */
:root{--teal2:#0f4c5c;--indigo:#1e1b4b}
.hero{background:linear-gradient(135deg,#070d1c 0%,#0b1f3a 45%,#0c3b46 100%);padding:190px 0 150px}
.hero-photo{position:absolute;inset:0;background:url(img/clinic.webp) center/cover;opacity:.6;filter:saturate(.5) brightness(.9)}
.hero-tint{position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,12,28,.96) 0%,rgba(8,22,48,.78) 45%,rgba(10,55,70,.45) 100%)}
.glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none}
.g1{width:520px;height:520px;background:rgba(46,170,180,.28);right:-120px;top:-80px}
.g2{width:460px;height:460px;background:rgba(99,82,220,.25);left:30%;bottom:-260px}
.window{backdrop-filter:blur(8px);background:linear-gradient(180deg,rgba(20,32,56,.88),rgba(10,20,38,.92));box-shadow:0 50px 100px -20px rgba(0,0,0,.7),0 0 0 1px rgba(110,190,200,.12),0 0 80px -10px rgba(46,170,180,.25)}
#products{background:radial-gradient(900px 500px at 100% 0%,rgba(46,170,180,.10),transparent 60%),radial-gradient(800px 500px at 0% 70%,rgba(99,82,220,.08),transparent 60%),var(--bg)}
.photo-vis{position:relative;padding-bottom:70px}
.pv-img{width:88%;display:block;border-radius:16px;aspect-ratio:16/10;object-fit:cover;box-shadow:0 30px 60px -25px rgba(11,18,32,.5);filter:saturate(.85) hue-rotate(-8deg)}
.card-ui.float{position:absolute;right:0;bottom:0;width:62%;padding:20px;backdrop-filter:blur(10px);background:rgba(255,255,255,.94)}
.card-ui.float .mtable td{padding:9px 0}.card-ui.float .mtable tr:nth-child(n+5){display:none}
.mesh-vis{border-radius:20px;padding:44px;background:radial-gradient(circle at 15% 20%,#2aa7b4 0%,transparent 45%),radial-gradient(circle at 85% 80%,#5b4bd6 0%,transparent 50%),linear-gradient(135deg,#0b1f3a,#123a4a);box-shadow:0 30px 60px -25px rgba(11,18,32,.5)}
.split{display:grid;grid-template-columns:1fr 1fr;background:linear-gradient(135deg,#0c3b46,#0b1f3a 70%,#1e1b4b);color:#fff;min-height:620px}
.split-img{position:relative;overflow:hidden}
.split-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.8)}
.split-img:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent 55%,rgba(12,59,70,.9)),linear-gradient(0deg,rgba(15,76,92,.35),rgba(15,76,92,.1))}
.split-copy{padding:110px 9vw 110px 80px;align-self:center;max-width:680px}
.split-copy>p:not(.eyebrow){color:rgba(255,255,255,.72);margin:24px 0 32px;font-size:17px;line-height:1.85}
.link-arrow{color:var(--gold);font-weight:600;border-bottom:1px solid rgba(201,169,110,.4);padding-bottom:4px}
.dark{position:relative;overflow:hidden;background:#0a1226}
.approach-bg{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,18,38,.85),rgba(14,22,60,.75)),url(img/abstract.webp) center/cover}
.rel{position:relative}
.pillar{transition:.3s}.pillar:hover h4{color:var(--teal)}
.name-sec{background:radial-gradient(700px 300px at 50% 60%,rgba(201,169,110,.16),transparent 70%),linear-gradient(180deg,#f7f6f2,#eef3f3)}
.formula .gold{background:linear-gradient(90deg,#c9a96e,#e6cf9d 50%,#2aa7b4);-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.1em}
.contact{background:linear-gradient(120deg,#0b1f3a 0%,#0f4c5c 60%,#1e1b4b 100%);color:#fff;position:relative;overflow:hidden}
.contact-in p:last-child{color:rgba(255,255,255,.65)}
.mail{border-color:rgba(255,255,255,.6)}.mail:hover{color:var(--gold)}
.footer{background:#060b18}
@media (max-width:900px){
.split{grid-template-columns:1fr}.split-img{height:320px}.split-img:after{background:linear-gradient(180deg,transparent 50%,rgba(12,59,70,.95))}
.split-copy{padding:60px 22px 80px}
.mesh-vis{padding:18px}
.pv-img{width:100%}.card-ui.float{position:relative;width:92%;margin:-60px 0 0 auto}.photo-vis{padding-bottom:0}
}
.ceph-panel{width:88%;border-radius:14px;overflow:hidden;background:#05080f;border:1px solid rgba(110,190,200,.18);box-shadow:0 30px 60px -25px rgba(11,18,32,.6)}
.ceph-panel .win-bar{background:#0e1626}
.cp-body{position:relative}
.cp-body img{display:block;width:100%;filter:contrast(1.05) brightness(.85) sepia(.25) hue-rotate(160deg) saturate(1.4)}
.cp-svg{position:absolute;inset:0;width:100%;height:100%}
.cl line{stroke:#e0c27e;stroke-width:2.2}
.fh line{stroke:#6ebec8;stroke-width:2;stroke-dasharray:8 7}
.cpts circle{fill:rgba(5,8,15,.6);stroke:#e0c27e;stroke-width:2.4}
.cpts text{fill:#fff;font:600 20px 'JetBrains Mono',monospace;paint-order:stroke;stroke:#05080f;stroke-width:4px}
.disc a{color:inherit;text-decoration:underline}
@media (max-width:900px){.ceph-panel{width:100%}}
.ceph-panel{margin-left:auto}
.photo-vis .card-ui.float{right:auto;left:-30px;bottom:-10px;width:52%}
@media (max-width:900px){.photo-vis .card-ui.float{left:auto;width:100%;margin:16px 0 0}}