:root{
  --bg:#fbfbfd; --bg-soft:#f5f5f7; --ink:#1d1d1f; --ink-2:#6e6e73; --line:#d2d2d7;
  --blue:#f26150; --blue-d:#d94a3a; --dark:#000; --dark-2:#1d1d1f;
  --r:28px; --ease:cubic-bezier(.2,.7,.2,1);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter","Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.container{width:min(1120px,100% - 48px);margin-inline:auto}
.container--narrow{width:min(760px,100% - 48px)}

/* ---- type ---- */
.eyebrow{font-size:15px;font-weight:600;color:var(--blue);letter-spacing:.01em;margin-bottom:14px}
.eyebrow--light{color:#ff8a5c}
.display{font-size:clamp(44px,8vw,92px);line-height:1.02;font-weight:700;letter-spacing:-.035em}
.h2{font-size:clamp(32px,5vw,56px);line-height:1.07;font-weight:700;letter-spacing:-.03em}
.h2--light{color:#f5f5f7}
.muted{color:#86868b}
.lead{font-size:clamp(18px,2.2vw,22px);line-height:1.45;color:var(--ink-2);max-width:640px;margin-top:20px}
.lead--light{color:#a1a1a6}
.grad{background:linear-gradient(100deg,#f26150 10%,#ff9d80 60%,#34c7b3 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad--light{background:linear-gradient(100deg,#ff8a5c,#ff9d80 55%,#ffb199);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;font:500 14px var(--font);padding:9px 18px;border-radius:980px;border:0;cursor:pointer;transition:background .25s,transform .25s var(--ease)}
.btn:hover{background:var(--blue-d)}
.btn:active{transform:scale(.97)}
.btn--lg{font-size:17px;padding:15px 30px}
.btn--block{width:100%}
.link{color:var(--blue);font-size:19px;font-weight:500;display:inline-flex;gap:6px;align-items:center}
.link span{transition:transform .25s var(--ease)}
.link:hover span{transform:translateX(4px)}
.link--light{color:#ff8a5c;font-size:17px}

/* ---- nav ---- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;height:56px;transition:background .3s,box-shadow .3s;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);background:rgba(251,251,253,.72);border-bottom:1px solid transparent}
.nav.is-scrolled{border-bottom-color:rgba(0,0,0,.08)}
.nav__inner{max-width:1120px;height:100%;margin:auto;padding-inline:24px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:8px;font-weight:600;font-size:17px;letter-spacing:-.01em;color:var(--ink)}
.brand svg{color:var(--blue)}
.nav__links{display:flex;gap:26px;margin-left:auto;font-size:13px;color:#424245}
.nav__links a{opacity:.85;transition:opacity .2s}
.nav__links a:hover{opacity:1;color:var(--blue)}
.burger{display:none;background:none;border:0;width:36px;height:36px;position:relative;cursor:pointer}
.burger span{position:absolute;left:8px;right:8px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease)}
.burger span:first-child{top:14px}.burger span:last-child{top:21px}
.burger[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.burger[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

/* ---- hero ---- */
.hero{position:relative;padding:150px 0 40px;text-align:center;overflow:hidden}
.hero__glow{position:absolute;top:-220px;left:50%;width:1100px;height:800px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(242,97,80,.20),rgba(255,138,92,.10) 45%,transparent 70%);filter:blur(10px);pointer-events:none}
.hero__content{position:relative}
.hero .lead{margin-inline:auto;margin-top:26px}
.hero__cta{display:flex;gap:28px;justify-content:center;align-items:center;margin-top:36px;flex-wrap:wrap}

.stage{margin:70px auto 0;max-width:980px}
.stage__card{position:relative;height:clamp(300px,52vw,520px);border-radius:40px 40px 0 0;background:linear-gradient(180deg,#fff1ec 0%,#ffe3da 45%,#fff8f5 100%);border:1px solid rgba(242,97,80,.10);border-bottom:0;box-shadow:0 -10px 80px rgba(242,97,80,.12) inset;overflow:hidden;display:grid;place-items:center}
.stage__card::before{content:"";position:absolute;width:70%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.95),rgba(255,255,255,0) 65%);top:-10%}
.stage__tooth{position:relative;overflow:visible;filter:drop-shadow(0 22px 28px rgba(150,50,30,.25));width:clamp(150px,26vw,280px);animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-14px) rotate(-1.5deg)}}
.chip{position:absolute;background:rgba(255,255,255,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.9);border-radius:18px;padding:12px 18px;font-size:14px;font-weight:600;box-shadow:0 12px 40px rgba(120,40,20,.12);white-space:nowrap;animation:float 8s ease-in-out infinite}
.chip small{display:block;font-weight:500;color:var(--ink-2);font-size:12px}
.chip b{font-size:20px}
.chip--a{left:6%;top:22%}
.chip--b{right:7%;top:16%;animation-delay:-2s}
.chip--c{left:10%;bottom:16%;animation-delay:-4s}
.chip--d{right:9%;bottom:22%;animation-delay:-1s}

/* ---- trust ---- */
.trust{background:var(--bg-soft)}
.trust__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:56px 0;text-align:center}
.trust strong{display:block;font-size:clamp(36px,5vw,56px);font-weight:700;letter-spacing:-.03em;line-height:1.1}
.trust span{color:var(--ink-2);font-size:15px}

/* ---- sections ---- */
.section{padding:clamp(80px,12vw,140px) 0}
.section--soft{background:var(--bg-soft)}
.section--dark{background:var(--dark);color:#f5f5f7}
.section__head{margin-bottom:64px}
.section__head--center{text-align:center}
.section__head--center .lead{margin-inline:auto}

/* ---- bento ---- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border-radius:var(--r);padding:36px;box-shadow:0 1px 2px rgba(0,0,0,.04);border:1px solid rgba(0,0,0,.05);transition:transform .5s var(--ease),box-shadow .5s var(--ease);position:relative;overflow:hidden;min-height:280px;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px) scale(1.01);box-shadow:0 30px 60px rgba(0,0,0,.10)}
.card h3{font-size:26px;letter-spacing:-.02em;line-height:1.15;margin-bottom:10px}
.card p{color:var(--ink-2);font-size:17px}
.card--xl{grid-column:span 2;flex-direction:row;gap:20px;align-items:stretch}
.card--tall{grid-row:span 2}
.card--dark{background:linear-gradient(135deg,#1d1d1f,#000);color:#f5f5f7;border-color:#2c2c2e}
.card--dark p{color:#a1a1a6;margin-bottom:22px}
.card--blue{background:linear-gradient(160deg,#ff7a59,#d63a5b);color:#fff;border:0;justify-content:space-between}
.card--blue p{color:rgba(255,255,255,.85);margin-bottom:22px}
.card--blue .link--light{color:#fff}
.card__body{position:relative;z-index:1;max-width:320px}
.tag{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:#ff9d80;margin-bottom:14px}
.ico{width:48px;height:48px;border-radius:14px;background:#fff0ec;display:grid;place-items:center;margin-bottom:auto}
.ico svg{width:24px;height:24px;stroke:var(--blue);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card .ico+h3{margin-top:40px}

.aligners{position:absolute;right:-24px;top:0;bottom:0;width:38%;display:flex;align-items:center;gap:6px;transform:rotate(-8deg) scale(1.1)}
.aligners i{flex:1;height:44%;border-radius:40% 40% 46% 46%;background:linear-gradient(180deg,rgba(255,255,255,.95),rgba(255,205,190,.45));box-shadow:0 0 0 2px rgba(255,160,130,.35) inset,0 20px 50px rgba(242,97,80,.35);animation:pulse 5s ease-in-out infinite}
.aligners i:nth-child(odd){height:52%}
.aligners i:nth-child(2){animation-delay:-.6s}.aligners i:nth-child(3){animation-delay:-1.2s}.aligners i:nth-child(4){animation-delay:-1.8s}
.aligners i:nth-child(5){animation-delay:-2.4s}.aligners i:nth-child(6){animation-delay:-3s}.aligners i:nth-child(7){animation-delay:-3.6s}.aligners i:nth-child(8){animation-delay:-4.2s}
@keyframes pulse{50%{filter:brightness(1.15);transform:translateY(-6px)}}
.smile{margin-top:20px}
.smile svg{width:100%}

/* ---- tech ---- */
.tech{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tech__item{padding:34px 26px;border-radius:var(--r);background:linear-gradient(180deg,#1c1c1e,#111);border:1px solid #2c2c2e}
.tech__num{display:block;font-size:clamp(34px,4vw,48px);font-weight:700;letter-spacing:-.03em;margin-bottom:18px;background:linear-gradient(100deg,#ff8a5c,#ffb199);-webkit-background-clip:text;background-clip:text;color:transparent}
.tech h3{font-size:19px;margin-bottom:8px;letter-spacing:-.01em}
.tech p{font-size:15px;color:#a1a1a6}

/* ---- steps ---- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:s}
.steps li{border-top:1px solid var(--line);padding-top:24px}
.steps span{font-size:14px;font-weight:600;color:var(--blue)}
.steps h3{font-size:22px;letter-spacing:-.02em;margin:10px 0 8px;line-height:1.2}
.steps p{color:var(--ink-2);font-size:16px}

/* ---- team ---- */
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.person{background:#fff;border-radius:var(--r);padding:40px 32px;text-align:center;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.person:hover{transform:translateY(-6px);box-shadow:0 30px 60px rgba(0,0,0,.08)}
.avatar{width:112px;height:112px;border-radius:50%;margin:0 auto 22px;display:grid;place-items:center;font-size:30px;font-weight:700;color:#fff;letter-spacing:.02em;background:linear-gradient(145deg,hsl(var(--h) 90% 62%),hsl(calc(var(--h) + 30) 85% 45%));box-shadow:0 14px 34px hsl(var(--h) 80% 50% / .35)}
.person h3{font-size:21px;letter-spacing:-.01em}
.role{color:var(--blue);font-size:14px;font-weight:600;margin:4px 0 12px}
.bio{color:var(--ink-2);font-size:15px}

/* ---- quotes ---- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{background:var(--bg-soft);border-radius:var(--r);padding:36px;display:flex;flex-direction:column;gap:18px}
.stars{color:#ff9f0a;letter-spacing:3px;font-size:17px}
.quote p{font-size:19px;line-height:1.4;letter-spacing:-.01em;font-weight:500}
.quote footer{margin-top:auto;font-size:14px;color:var(--ink-2)}
.quote footer b{color:var(--ink)}

/* ---- faq ---- */
.faq details{background:#fff;border-radius:20px;margin-bottom:12px;padding:0 28px;transition:box-shadow .3s}
.faq details[open]{box-shadow:0 14px 40px rgba(0,0,0,.07)}
.faq summary{cursor:pointer;list-style:none;padding:22px 0;font-size:18px;font-weight:600;display:flex;justify-content:space-between;gap:20px;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:26px;font-weight:300;color:var(--blue);transition:transform .35s var(--ease);line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding-bottom:24px;color:var(--ink-2);font-size:17px}

/* ---- cta ---- */
.cta{background:linear-gradient(180deg,var(--bg),#fff1ec)}
.cta__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.info{margin-top:36px;display:grid;gap:18px}
.info li{display:grid;gap:2px}
.info b{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--blue)}
.info span{color:var(--ink);font-size:17px}
.form{background:rgba(255,255,255,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.9);border-radius:32px;padding:38px;box-shadow:0 40px 80px rgba(140,50,30,.12);display:grid;gap:18px}
.form label{display:grid;gap:8px;font-size:14px;font-weight:600;color:#424245}
.form input,.form select{font:400 17px var(--font);padding:15px 16px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink);transition:border-color .2s,box-shadow .2s;width:100%}
.form input:focus,.form select:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px rgba(242,97,80,.18)}
.form input.err{border-color:#ff3b30;box-shadow:0 0 0 4px rgba(255,59,48,.14)}
.fine{font-size:12px;color:#86868b;text-align:center}

/* ---- footer ---- */
.footer{background:var(--bg-soft);padding:40px 0;font-size:13px;color:var(--ink-2);border-top:1px solid var(--line)}
.footer__inner{display:flex;flex-wrap:wrap;gap:20px 40px;align-items:center;justify-content:space-between}
.footer nav{display:flex;gap:24px}
.footer nav a:hover{color:var(--blue)}
.brand--foot{font-size:15px}

/* ---- whatsapp ---- */
.wa{position:fixed;right:22px;bottom:22px;z-index:40;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px rgba(37,211,102,.45);transition:transform .3s var(--ease)}
.wa:hover{transform:scale(1.08)}

/* ---- reveal ---- */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.bento .reveal:nth-child(2),.tech .reveal:nth-child(2),.steps .reveal:nth-child(2),.team .reveal:nth-child(2),.quotes .reveal:nth-child(2){transition-delay:.08s}
.bento .reveal:nth-child(3),.tech .reveal:nth-child(3),.steps .reveal:nth-child(3),.team .reveal:nth-child(3),.quotes .reveal:nth-child(3){transition-delay:.16s}
.tech .reveal:nth-child(4),.steps .reveal:nth-child(4){transition-delay:.24s}

/* ---- responsive ---- */
@media (max-width:980px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .card--xl{grid-column:span 2}
  .tech,.steps{grid-template-columns:repeat(2,1fr)}
  .team,.quotes{grid-template-columns:1fr}
  .cta__grid{grid-template-columns:1fr;gap:40px}
  .trust__grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .burger{display:block;margin-left:auto}
  .nav .btn--sm{display:none}
  .nav__links{position:fixed;top:56px;left:0;right:0;flex-direction:column;gap:0;margin:0;background:rgba(251,251,253,.96);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:8px 24px 24px;font-size:20px;font-weight:600;transform:translateY(-12px);opacity:0;pointer-events:none;transition:.35s var(--ease);border-bottom:1px solid var(--line)}
  .nav__links.open{opacity:1;transform:none;pointer-events:auto}
  .nav__links a{padding:14px 0;border-bottom:1px solid var(--bg-soft);opacity:1}
  .hero{padding-top:120px}
  .bento{grid-template-columns:1fr}
  .card--xl{grid-column:auto;flex-direction:column;min-height:420px}
  .card--tall{grid-row:auto}
  .aligners{top:auto;height:150px;width:100%;right:0;bottom:-20px;left:10px}
  .tech,.steps{grid-template-columns:1fr}
  .chip--a{left:4%;top:12%}.chip--b{right:3%;top:30%}.chip--c{left:3%;bottom:10%}.chip--d{display:none}
  .chip{font-size:12px;padding:9px 13px}
  .form{padding:26px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}