/* Smile Studio · concept site by Brand Evolution */
:root{
  --porcelain:#FAF7F2; --porcelain-2:#F1ECE3; --paper:#FFFFFF;
  --navy:#1E2235; --navy-2:#2A3050; --navy-3:#3A4268;
  --ink:#1E2235; --ink-2:#4B5068;
  --apricot:#F08A4B; --apricot-ink:#B4511B; --apricot-soft:#FCE3D2;
  --sky:#DCEBFA; --sky-2:#8FB4E8;
  --butter:#F4C95D; --gum:#F2A7A0;
  --enamel:#EEF4FA; --dentin:#EBC37D; --pulp:#E0625E;
  --display:'Young Serif',Georgia,'Times New Roman',serif;
  --sans:'Onest',system-ui,-apple-system,'Segoe UI',sans-serif;
  --ease:cubic-bezier(.22,.8,.2,1);
  --gutter:clamp(16px,4.5vw,64px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--porcelain);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
svg{display:block;max-width:100%}
.defs{position:absolute;width:0;height:0;overflow:hidden}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--display);font-weight:400;margin:0;line-height:1.08;letter-spacing:-.015em}
h1 em,h2 em{font-style:normal;color:var(--apricot-ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--apricot);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px}
.skip:focus{left:16px}
.wrap{width:100%;max-width:1260px;margin:0 auto;padding:0 var(--gutter)}
.eyebrow{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--navy-3);font-weight:600;margin-bottom:18px;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:9px;height:11px;border-radius:50% 50% 45% 45%;background:var(--apricot)}
.eyebrow-light{color:#C9D3F0}
.body{color:var(--ink-2);max-width:60ch;font-size:clamp(16px,1.15vw,18px)}
.sec-head{max-width:780px;margin-bottom:clamp(36px,5vw,60px)}
.sec-head h2{font-size:clamp(34px,4.6vw,60px);margin-bottom:18px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;font-family:var(--sans);font-size:16px;font-weight:600;text-decoration:none;cursor:pointer;border:1.5px solid transparent;transition:background .4s var(--ease),color .4s,border-color .4s,transform .4s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn-solid{background:var(--navy);color:#fff;box-shadow:0 12px 26px -14px rgba(30,34,53,.7)}
.btn-solid:hover{background:var(--navy-3)}
.btn-line{border-color:rgba(30,34,53,.25);color:var(--navy);background:rgba(255,255,255,.65)}
.btn-line:hover{border-color:var(--navy);background:#fff}
.btn-apricot{background:var(--apricot);color:#2B1406}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}

/* nav: light glass over light sections, dark glass over dark */
.nav{position:fixed;inset:0 0 auto 0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px var(--gutter);color:var(--navy);border-bottom:1px solid transparent;transition:background .45s var(--ease),padding .45s var(--ease),color .45s,border-color .45s}
.nav.scrolled{background:rgba(250,247,242,.84);backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3);padding-top:11px;padding-bottom:11px;border-bottom-color:rgba(30,34,53,.08)}
.nav.on-dark{color:#F3F0EA}
.nav.scrolled.on-dark{background:rgba(30,34,53,.82);border-bottom-color:rgba(201,211,240,.14)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-size:23px;letter-spacing:-.01em}
.brand b,.foot-brand b{font-weight:400;color:var(--apricot)}
.brand-mark{width:22px;height:26px;fill:currentColor}
.nav nav{display:flex;align-items:center;gap:28px}
.nav nav a{text-decoration:none;font-size:15px;font-weight:500;padding:6px 0;position:relative}
.nav nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--apricot);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.nav nav a:hover::after{transform:scaleX(1)}
.nav-cta{background:var(--navy);color:#fff!important;border-radius:999px;padding:10px 18px!important;transition:background .4s}
.nav.on-dark .nav-cta{background:var(--apricot);color:#2B1406!important}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:110px 0 70px;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hb{position:absolute;border-radius:50%;filter:blur(60px)}
.hb1{width:48vw;height:48vw;right:-10vw;top:-8vw;background:radial-gradient(circle,var(--sky),transparent 70%)}
.hb2{width:30vw;height:30vw;left:-10vw;bottom:-12vw;background:radial-gradient(circle,var(--apricot-soft),transparent 70%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,4vw,64px);align-items:center}
.hero h1{font-size:clamp(42px,6.2vw,90px);margin-bottom:24px}
.lede{font-size:clamp(17px,1.35vw,20px);color:var(--ink-2);max-width:50ch;margin-bottom:30px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 34px}
.hero-facts li{display:flex;flex-direction:column;border-left:2px solid var(--gum);padding-left:14px}
.hero-facts strong{font-family:var(--display);font-size:21px;font-weight:400;color:var(--navy)}
.hero-facts span{font-size:14px;color:var(--ink-2)}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hero-copy>*{animation:rise .75s var(--ease) both}
.hero-copy>*:nth-child(2){animation-delay:.07s}.hero-copy>*:nth-child(3){animation-delay:.14s}
.hero-copy>*:nth-child(4){animation-delay:.21s}.hero-copy>*:nth-child(5){animation-delay:.28s}
.hero-fig{position:relative;margin:0;width:100%;max-width:480px;aspect-ratio:1/1.08;justify-self:center;display:grid;place-items:center;animation:rise 1s .15s var(--ease) both}
.hero-halo{position:absolute;inset:6% 4% 12%;border-radius:50%;background:radial-gradient(circle at 42% 34%,#fff,var(--porcelain-2) 62%,var(--sky));box-shadow:inset 0 0 0 1px rgba(30,34,53,.06),0 40px 80px -44px rgba(30,34,53,.4)}
.hero-fig figcaption{position:absolute;left:50%;bottom:0;transform:translateX(-50%);font-size:13px;font-weight:600;letter-spacing:.05em;color:var(--navy-3);background:#fff;padding:6px 14px;border-radius:999px;white-space:nowrap;box-shadow:0 6px 20px -10px rgba(30,34,53,.3)}
.spark{position:absolute;width:14px;height:14px;background:var(--apricot);clip-path:polygon(50% 0,62% 38%,100% 50%,62% 62%,50% 100%,38% 62%,0 50%,38% 38%);animation:tw 3.2s ease-in-out infinite}
.s1{left:16%;top:22%}.s2{right:14%;top:40%;width:10px;height:10px;background:var(--sky-2);animation-delay:1.1s}.s3{left:22%;bottom:22%;width:9px;height:9px;background:var(--butter);animation-delay:2s}
@keyframes tw{0%,100%{transform:scale(.4) rotate(0);opacity:.3}50%{transform:scale(1) rotate(45deg);opacity:1}}

/* the soft-3D tooth: stacked slices in CSS 3D */
.tooth-stage{position:relative;width:min(56%,260px);perspective:900px;z-index:1}
.tooth-stage.big{width:min(70%,300px)}
.tooth3d{position:relative;width:100%;aspect-ratio:200/240;transform-style:preserve-3d;transform:rotateX(var(--rx,6deg)) rotateY(var(--ry,-18deg));will-change:transform}
.t-face{position:absolute;inset:0;width:100%;height:100%;transform:translateZ(var(--z,22px));overflow:visible}
.t-slice{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.t-shadow{position:absolute;left:12%;right:12%;bottom:-9%;height:9%;border-radius:50%;background:radial-gradient(closest-side,rgba(30,34,53,.32),transparent);transform:scaleX(var(--sh,1));filter:blur(2px)}
.hero .t-face{filter:drop-shadow(0 0 0 transparent)}

/* INSIDE A TOOTH */
.anat{position:relative;background:radial-gradient(120% 80% at 30% 40%,#2C3358 0%,var(--navy) 60%,#161a2a 100%);color:#F3F0EA}
.anat-sticky{padding:110px 0 80px}
.anat-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,80px);align-items:center}
.anat-visual{position:relative;display:grid;place-items:center;min-height:420px}
.anat-visual::before{content:"";position:absolute;width:min(90%,440px);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(143,180,232,.22),transparent 68%)}
.anat .t-shadow{background:radial-gradient(closest-side,rgba(0,0,0,.55),transparent)}
.anat h2{font-size:clamp(32px,4vw,54px);margin-bottom:28px}
.anat h2 em{color:var(--butter)}
.anat-steps{display:grid;gap:22px}
.as{position:relative;padding-left:34px}
.as h3{font-size:clamp(22px,2vw,28px);margin-bottom:8px}
.as p{color:#C9CEE0;max-width:48ch;font-size:clamp(15px,1.1vw,17px)}
.as-chip{position:absolute;left:0;top:6px;width:20px;height:20px;border-radius:7px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}
.chip-whole{background:linear-gradient(135deg,#fff,#CDBBA2)}
.chip-enamel{background:linear-gradient(135deg,#fff,#C9D8E6)}
.chip-dentin{background:linear-gradient(135deg,#F6DFA8,#D9A75E)}
.chip-pulp{background:linear-gradient(135deg,#F59A93,#B83F45)}
.anat-note{margin-top:26px;font-size:13px;color:#AEB4CC;border-top:1px solid rgba(201,211,240,.18);padding-top:14px;max-width:52ch}
.anat-meter{position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:140px;height:3px;border-radius:3px;background:rgba(255,255,255,.14);overflow:hidden;display:none}
.am-fill{display:block;height:100%;width:100%;background:var(--butter);transform-origin:left;transform:scaleX(0)}
.t-layer{transition:opacity .5s var(--ease)}
.anat .tooth3d.dim-enamel .t-enamel,.anat .tooth3d.dim-dentin .t-dentin,.anat .tooth3d.dim-pulp .t-pulp{opacity:.4}

/* scroll scene only when JS can drive it */
.js .anat.scene{height:440vh}
.js .anat.scene .anat-sticky{position:sticky;top:0;height:100vh;height:100svh;display:flex;align-items:center;padding:76px 0 24px;overflow:hidden}
.js .anat.scene .anat-steps{grid-template-areas:"s"}
.js .anat.scene .as{grid-area:s;opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease);visibility:hidden}
.js .anat.scene .as.on{opacity:1;transform:none;visibility:visible}
.js .anat.scene .anat-meter{display:block}

/* TREATMENTS */
.treat{padding:clamp(90px,12vw,150px) 0}
.tx{background:var(--paper);border-radius:30px;padding:clamp(16px,2.4vw,28px);box-shadow:0 30px 70px -48px rgba(30,34,53,.45)}
.tx-tabs{position:relative;display:flex;gap:4px;background:var(--porcelain-2);border-radius:999px;padding:5px;width:max-content;max-width:100%;overflow-x:auto;scrollbar-width:none;margin-bottom:clamp(20px,3vw,34px)}
.tx-tabs::-webkit-scrollbar{display:none}
.tx-tab{position:relative;z-index:1;border:0;background:none;font:600 15px var(--sans);color:var(--ink-2);padding:10px 20px;border-radius:999px;cursor:pointer;white-space:nowrap;transition:color .35s}
.tx-tab.on{color:#fff}
.tx-ink{position:absolute;top:5px;bottom:5px;left:0;width:0;border-radius:999px;background:var(--navy);transition:transform .5s var(--ease),width .5s var(--ease)}
.tx-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(20px,4vw,56px);align-items:start}
.tx-panel[hidden]{display:none}
.tx-panel.on .tx-body>*{animation:rise .55s var(--ease) both}
.tx-panel.on .tx-body>*:nth-child(2){animation-delay:.04s}.tx-panel.on .tx-body>*:nth-child(3){animation-delay:.08s}
.tx-panel.on .tx-body>*:nth-child(n+4){animation-delay:.12s}
.tx-art{border-radius:24px;background:radial-gradient(circle at 50% 40%,#fff,var(--sky) 120%);aspect-ratio:6/5;display:grid;place-items:center;overflow:hidden}
.tx-art svg{width:88%;height:auto;overflow:visible}
.tx-art img{display:block;width:100%;height:100%;object-fit:cover}
.ss-room{margin:28px 0 0;border-radius:24px;overflow:hidden;aspect-ratio:16/7;background:var(--sky)}
.ss-room img{display:block;width:100%;height:100%;object-fit:cover}
.art-floor{fill:rgba(30,34,53,.12)}
.tx-kicker{font-size:13px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--apricot-ink);margin-bottom:8px}
.tx-body h3{font-size:clamp(30px,3vw,42px);margin-bottom:10px}
.tx-lede{color:var(--ink-2);max-width:56ch;margin-bottom:20px}
.tx-body h4{font-family:var(--sans);font-size:14px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;margin-bottom:10px}
.tx-steps{counter-reset:s;display:grid;gap:8px;margin-bottom:22px}
.tx-steps li{counter-increment:s;position:relative;padding-left:40px;color:var(--ink-2);font-size:16px}
.tx-steps li::before{content:counter(s);position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:50%;background:var(--sky);color:var(--navy);font-weight:700;font-size:13px;display:grid;place-items:center}
.tx-fee{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;background:var(--porcelain);border-radius:16px;padding:14px 18px;margin-bottom:14px}
.tx-fee span{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.tx-fee strong{font-family:var(--display);font-weight:400;font-size:32px;color:var(--navy)}
.tx-fee em{font-style:normal;font-size:14px;color:var(--ink-2)}
.tx-note{font-size:14px;color:var(--ink-2);border-left:3px solid var(--butter);padding-left:12px}

/* treatment illustrations (loop only while the tab is open) */
.art-clean .brush,.art-fill .filling,.art-fill .cure,.art-align .ta,.art-align .tray,.art-implant .crown,.art-implant .screw,.art-kids .kid,.art-kids .star{transform-box:fill-box;transform-origin:center}
.tx-panel.on .art-clean .brush{animation:brushGo 2.6s var(--ease) infinite}
.tx-panel.on .art-clean .plaque circle{animation:plaque 5.2s linear infinite}
.tx-panel.on .art-clean .sparkles path{animation:tw 2.6s ease-in-out infinite}
@keyframes brushGo{0%,100%{transform:translate(0,0)}50%{transform:translate(-62px,8px)}}
@keyframes plaque{0%,20%{opacity:1}55%,85%{opacity:0}100%{opacity:1}}
.art-fill .filling{transform-origin:50% 100%}
.tx-panel.on .art-fill .filling{animation:fillUp 4.4s var(--ease) infinite}
.tx-panel.on .art-fill .cure{animation:cure 4.4s ease-in-out infinite}
@keyframes fillUp{0%,15%{transform:scaleY(0);opacity:0}45%,90%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}
@keyframes cure{0%,45%{opacity:0;transform:translateY(-10px)}55%,75%{opacity:1;transform:none}90%,100%{opacity:0}}
.art-align .t1{transform:rotate(-7deg) translateY(3px)}.art-align .t2{transform:rotate(5deg)}.art-align .t3{transform:rotate(-4deg) translateY(4px)}.art-align .t4{transform:rotate(8deg)}
.tx-panel.on .art-align .ta{animation:straighten 5s var(--ease) infinite}
.tx-panel.on .art-align .tray{animation:tray 5s var(--ease) infinite}
@keyframes straighten{0%,35%{}60%,90%{transform:none}}
@keyframes tray{0%{transform:translateY(-70px);opacity:0}25%,85%{transform:none;opacity:1}100%{transform:translateY(-70px);opacity:0}}
.tx-panel.on .art-implant .screw{animation:screwIn 5s var(--ease) infinite}
.tx-panel.on .art-implant .crown{animation:crownDown 5s var(--ease) infinite}
@keyframes screwIn{0%{transform:translateY(-30px);opacity:0}20%,90%{transform:none;opacity:1}100%{opacity:0}}
@keyframes crownDown{0%,35%{transform:translateY(-60px);opacity:0}60%,90%{transform:none;opacity:1}100%{opacity:0}}
.tx-panel.on .art-kids .kid{animation:hop 1.6s var(--ease) infinite}
.tx-panel.on .art-kids .kid-floor{animation:hopShadow 1.6s var(--ease) infinite;transform-box:fill-box;transform-origin:center}
.tx-panel.on .art-kids .star{animation:tw 2.4s ease-in-out infinite}
.tx-panel.on .art-kids .st2{animation-delay:1.2s}
@keyframes hop{0%,100%{transform:none}45%{transform:translateY(-22px) rotate(-4deg)}}
@keyframes hopShadow{0%,100%{transform:none}45%{transform:scaleX(.7);opacity:.6}}

/* BRUSHING GUIDE */
.brush-sec{padding:clamp(80px,10vw,130px) 0;background:linear-gradient(180deg,var(--porcelain),#EEF4FA)}
.brush-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:center}
.brush-sec h2{font-size:clamp(34px,4.4vw,58px);margin-bottom:18px}
.bt-controls{display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;margin:28px 0 26px}
.bt-read{font-weight:600;color:var(--navy-3)}
.bt-tips{display:grid;gap:10px}
.bt-tips li{color:var(--ink-2);padding-left:22px;position:relative}
.bt-tips li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--apricot)}
.bt-tips b{color:var(--navy)}
.smile-wrap{position:relative;background:var(--paper);border-radius:30px;padding:clamp(18px,3vw,34px);box-shadow:0 30px 70px -48px rgba(30,34,53,.45)}
.smile{width:100%;height:auto}
.quad .qz{fill:rgba(240,138,75,0);stroke:rgba(240,138,75,0);stroke-width:2;pointer-events:all;transition:fill .4s,stroke .4s}
.quad:hover .qz,.quad.on .qz{fill:rgba(240,138,75,.2);stroke:var(--apricot)}
.quad.done .qz{fill:rgba(143,180,232,.14);stroke:rgba(143,180,232,.5);stroke-width:1}
.smile{border-radius:18px}
.tooth-photo{display:grid;place-items:center}
.t-photo{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 18px 22px rgba(30,34,53,.16));pointer-events:none;user-select:none}
.foam circle{fill:#fff;opacity:.9;stroke:#DCEBFA;stroke-width:.8}
.bt-clock{position:absolute;right:clamp(14px,2vw,24px);top:clamp(14px,2vw,24px);width:62px;height:62px;display:grid;place-items:center}
.bt-clock svg{position:absolute;inset:0;transform:rotate(-90deg)}
.bc-bg{fill:none;stroke:var(--porcelain-2);stroke-width:4}
.bc-fg{fill:none;stroke:var(--apricot);stroke-width:4;stroke-linecap:round;stroke-dasharray:113.1;stroke-dashoffset:113.1}
.bt-clock span{font-weight:700;font-size:14px;color:var(--navy);font-variant-numeric:tabular-nums}
.bt-legend{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:14px}
.bt-legend li{font-size:14px;font-weight:600;color:var(--ink-2);background:var(--porcelain);border-radius:12px;padding:8px 12px;transition:background .4s,color .4s}
.bt-legend li.on{background:var(--navy);color:#fff}
.bt-legend li.done{color:var(--apricot-ink)}

/* VISIT */
.visit{padding:clamp(80px,10vw,130px) 0}
.v-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.v-step{background:var(--paper);border-radius:24px;padding:26px 24px;border:1px solid rgba(30,34,53,.07);transition:transform .5s var(--ease),box-shadow .5s}
.v-step:hover{transform:translateY(-6px);box-shadow:0 26px 50px -36px rgba(30,34,53,.5)}
.v-n{display:inline-block;font-family:var(--display);font-size:15px;color:var(--apricot-ink);background:var(--apricot-soft);border-radius:999px;padding:4px 12px;margin-bottom:18px}
.v-step h3{font-size:28px;margin-bottom:10px}
.v-step p{color:var(--ink-2);font-size:16px}
.care{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
.care-item{display:flex;gap:14px;align-items:flex-start;background:var(--sky);border-radius:20px;padding:18px 20px}
.care-item svg{width:36px;height:36px;flex:none;fill:none;stroke:var(--navy);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.care-item p{font-size:15px;color:var(--ink-2)}
.care-item b{color:var(--navy)}

/* BOOK */
.book{background:var(--navy);color:#F3F0EA;padding:clamp(80px,10vw,130px) 0}
.book-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,72px);align-items:start}
.book h2{font-size:clamp(34px,4.4vw,58px);margin-bottom:18px}
.book h2 em{color:var(--butter)}
.book .body{color:#C9CEE0}
.addr{font-style:normal;margin-top:28px;line-height:1.7;border-left:2px solid var(--apricot);padding-left:16px}
.addr span{color:#AEB4CC;font-size:15px}
.booker{background:#262B44;border:1px solid rgba(201,211,240,.14);border-radius:28px;padding:clamp(18px,3vw,30px)}
.booker fieldset{border:0;margin:0 0 20px;padding:0;min-width:0}
.booker legend{font-weight:700;font-size:15px;margin-bottom:12px;padding:0}
.legend-sub{font-weight:500;color:#AEB4CC;margin-left:6px}
.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.svc{position:relative;cursor:pointer}
.svc input{position:absolute;opacity:0;inset:0;cursor:pointer}
.svc span{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-radius:14px;border:1.5px solid rgba(201,211,240,.2);font-size:15px;transition:border-color .3s,background .3s}
.svc b{font-weight:600;color:var(--butter);font-size:14px}
.svc input:checked+span{border-color:var(--apricot);background:rgba(240,138,75,.12)}
.svc input:focus-visible+span{outline:3px solid var(--apricot);outline-offset:2px}
.days{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.day{border:1.5px solid rgba(201,211,240,.2);background:none;color:inherit;border-radius:14px;padding:10px 0;cursor:pointer;font-family:var(--sans);display:flex;flex-direction:column;align-items:center;gap:1px;transition:border-color .3s,background .3s}
.day small{font-size:12px;color:#AEB4CC;text-transform:uppercase;letter-spacing:.06em}
.day strong{font-size:20px;font-family:var(--display);font-weight:400}
.day em{font-style:normal;font-size:11px;color:#AEB4CC}
.day.on{border-color:var(--apricot);background:rgba(240,138,75,.14)}
.day.closed{opacity:.4;cursor:not-allowed}
.slot-group{margin-bottom:10px}
.slot-group p{font-size:13px;color:#AEB4CC;margin-bottom:6px}
.slot-row{display:flex;flex-wrap:wrap;gap:6px}
.slot{border:1.5px solid rgba(201,211,240,.22);background:none;color:inherit;border-radius:999px;padding:7px 13px;font:500 14px var(--sans);cursor:pointer;transition:border-color .3s,background .3s,color .3s}
.slot:hover:not(:disabled){border-color:var(--butter)}
.slot.on{background:var(--butter);color:var(--navy);border-color:var(--butter)}
.slot:disabled{opacity:.35;text-decoration:line-through;cursor:not-allowed}
.empty,.nojs{font-size:14px;color:#AEB4CC}
.summary{background:rgba(255,255,255,.05);border-radius:14px;padding:12px 16px;margin-bottom:16px;font-size:15px}
.summary b{color:var(--butter)}
.form-note{font-size:13px;color:#AEB4CC;margin-top:10px}

/* footer + badge */
.foot{background:#161a2a;color:#C9CEE0;padding:34px 0 80px;font-size:14px}
.foot-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 30px;align-items:center}
.foot-brand{font-family:var(--display);font-size:22px;color:#fff}
.concept-badge{position:fixed;left:16px;bottom:16px;z-index:50;font-size:11px;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;color:#fff;background:rgba(30,34,53,.9);padding:8px 13px;border-radius:999px;border:1px solid rgba(201,211,240,.3)}
.concept-badge:hover{background:var(--apricot-ink)}

/* reveal */
.rv [data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.rv [data-reveal].in{opacity:1;transform:none}

@media (max-width:1080px){
  .v-steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .hero-grid,.brush-grid,.book-grid{grid-template-columns:1fr}
  .tx-panel{grid-template-columns:1fr}
  .tx-art{aspect-ratio:16/9;max-height:240px}
  .tx-art svg{width:auto;height:92%}
  .hero{padding-top:96px}
  .hero-fig{max-width:340px}
  .nav nav a:not(.nav-cta){display:none}
  .care{grid-template-columns:1fr}
  .ss-room{aspect-ratio:16/10}
  .tx-art img{object-position:50% 68%}
  /* tooth on top, copy below, both inside the pinned screen */
  .anat-grid{grid-template-columns:1fr;gap:10px}
  .anat-visual{min-height:0;height:34vh;height:34svh}
  .anat-visual .tooth-stage.big{width:auto;height:84%;aspect-ratio:200/240}
  .anat-meter{bottom:-6px}
  .anat-visual::before{width:auto;height:100%}
  .anat h2{font-size:clamp(26px,6.6vw,36px);margin-bottom:12px}
  .anat .eyebrow{margin-bottom:8px}
  .anat-note{margin-top:12px;padding-top:8px;font-size:12px}
  .js .anat.scene .anat-sticky{align-items:flex-start;padding-top:72px}
}
@media (max-width:560px){
  .v-steps{grid-template-columns:1fr}
  .svc-row{grid-template-columns:1fr}
  .days{gap:4px}
  .day{padding:8px 0;border-radius:10px}
  .day strong{font-size:18px}
  .day em{display:none}
  .brand{font-size:20px}
  .nav-cta{padding:9px 14px!important;font-size:14px!important}
  .as p{font-size:14.5px;line-height:1.5}
  .as h3{font-size:21px;margin-bottom:4px}
  .bt-legend li{font-size:13px}
  .tx-tab{padding:9px 15px;font-size:14px;min-height:40px}
  .nav-cta{min-height:40px;display:inline-flex!important;align-items:center}
}
@media (max-height:640px) and (max-width:900px){
  .anat-note{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .spark{display:none}
  .tx-art *{animation:none!important}
}