:root{--ink:#153345;--navy:#0d2a3a;--deep:#0a2332;--teal:#118c99;--mint:#7ed5d8;--muted:#58707c;--paper:#f5f8f8;--line:#dce7e8;--white:#fff;--width:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased;line-height:1.62}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}p{margin:0 0 1.2em}h1,h2,h3{line-height:1.15;letter-spacing:-.035em;margin:0}h1{font-size:clamp(2.8rem,5.6vw,5.5rem);font-weight:700}h2{font-size:clamp(2rem,3.8vw,3.55rem);font-weight:680}h3{font-size:1.28rem}small,.small{font-size:.85rem}.wrap{max-width:var(--width);padding:0 32px;margin:auto}.topline{background:var(--deep);color:#d5e6e7;font-size:.75rem;letter-spacing:.015em}.topline .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:7px;padding-bottom:7px;gap:15px}.topline a:hover{text-decoration:underline}.sitehead{position:sticky;top:0;background:rgba(255,255,255,.97);backdrop-filter:blur(16px);z-index:30;border-bottom:1px solid #e4ebed}.nav{display:flex;align-items:center;justify-content:space-between;min-height:81px;gap:20px}.logo{display:inline-flex;align-items:baseline;gap:9px;white-space:nowrap;letter-spacing:-.04em}.logo strong{font-size:1.85rem;line-height:1;color:var(--navy);letter-spacing:-.075em}.logo em{font-style:normal;font-size:.84rem;letter-spacing:.012em;color:#42616b;font-weight:600}.navlinks{display:flex;align-items:center;gap:31px;font-size:.87rem;font-weight:600}.navlinks>a:not(.btn):hover,.navlinks>a.active{color:var(--teal)}.menu{display:none;background:none;border:0;color:var(--ink);font-size:1.8rem;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:14px 23px;border-radius:4px;font-size:.9rem;font-weight:700;background:var(--teal);color:#fff;line-height:1.2;transition:.2s ease;min-height:47px}.btn:hover{transform:translateY(-2px);background:#087580}.btn.ghost{background:transparent;border:1px solid #98b3bc;color:#fff}.btn.ghost:hover{background:#ffffff18}.btn.ghost-dark{background:transparent;border:1px solid #9bb3b8;color:var(--ink)}.btn.ghost-dark:hover{background:#edf5f6}.eyebrow{text-transform:uppercase;letter-spacing:.17em;font-size:.73rem;color:var(--teal);font-weight:800;margin-bottom:18px}.eyebrow.light{color:var(--mint)}.lead{font-size:clamp(1.06rem,1.6vw,1.25rem);line-height:1.7;color:#b9d1d8;max-width:650px}.hero{background:linear-gradient(115deg,#092534 0%,#123749 52%,#164353 100%);position:relative;overflow:hidden;color:#fff}.hero:before{content:"";position:absolute;right:-190px;top:-300px;width:780px;height:780px;border-radius:50%;border:1px solid #ffffff16;box-shadow:0 0 0 100px #ffffff06,0 0 0 220px #ffffff04;pointer-events:none}.hero-inner{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;min-height:670px;gap:12px;position:relative}.hero-copy{position:relative;z-index:2;padding:94px 0 100px}.hero-copy h1{margin:0 0 25px;max-width:720px}.hero-copy h1 span{color:#7fdae0}.hero-actions,.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:31px}.hero-visual{align-self:stretch;display:flex;align-items:center;justify-content:center;position:relative;margin-right:-55px}.hero-visual img{width:100%;max-width:680px;filter:drop-shadow(0 30px 40px #0005)}.hero-label{position:absolute;bottom:85px;left:5%;background:#ffffffed;color:var(--ink);padding:13px 19px;box-shadow:0 16px 45px #001a2630;border-left:4px solid var(--teal)}.hero-label b{display:block;font-size:.86rem}.hero-label span{font-size:.72rem;color:#617982}.hero-note{font-size:.8rem;color:#b6cbd1;margin-top:22px}.kicker{background:#eaf4f5;border-bottom:1px solid #d8e5e7}.kicker .wrap{display:flex;align-items:center;justify-content:center;gap:22px;text-align:center;padding-top:14px;padding-bottom:14px;font-size:.88rem;font-weight:600}.kicker .dot{width:5px;height:5px;border-radius:50%;background:var(--teal)}section.section{padding:105px 0}.section.gray{background:var(--paper)}.section-top{max-width:760px;margin-bottom:42px}.section-top h2{margin-bottom:18px}.section-top p{color:var(--muted);font-size:1.06rem}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.tile{background:#fff;border:1px solid var(--line);border-radius:7px;padding:31px;transition:transform .2s,box-shadow .2s}.tile:hover{transform:translateY(-3px);box-shadow:0 16px 35px #0b314012}.tile h3{margin:0 0 13px}.tile p{color:var(--muted);font-size:.95rem;margin:0}.icon{font-size:1.4rem;display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:4px;background:#e5f4f4;color:#0a7887;margin-bottom:25px;font-weight:700}.product-card{border:1px solid var(--line);background:#fff;overflow:hidden;border-radius:7px}.product-img{background:linear-gradient(135deg,#ecf2f3,#cbdde2);height:315px;display:flex;align-items:center;justify-content:center;padding:8px}.product-img img{width:100%;height:100%;object-fit:contain}.product-info{padding:30px}.product-info p{color:var(--muted);margin:12px 0 20px}.text-link{font-weight:750;color:#007f8d;font-size:.9rem}.text-link:hover{text-decoration:underline}.line-art{display:flex;justify-content:center;align-items:center;background:#e3eef1;height:315px;position:relative;overflow:hidden}.line-art svg{width:67%;max-height:220px}.line-art:after{content:"";position:absolute;width:240px;height:240px;border:1px solid #b6cfd5;border-radius:50%;right:-70px;top:-90px}.spotlight{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--navy);border-radius:8px;overflow:hidden;color:#fff}.spotlight-media{min-height:460px;background:#c6d8dc;display:flex;align-items:center;justify-content:center;position:relative}.spotlight-media img{max-width:100%;max-height:100%;object-fit:contain}.spotlight-copy{padding:65px 58px;display:flex;flex-direction:column;justify-content:center}.spotlight-copy h2{font-size:clamp(1.9rem,3.2vw,3.2rem);margin-bottom:24px}.spotlight-copy p{color:#c5d9df}.spotlight-copy .btn{align-self:flex-start}.tag{display:inline-block;padding:6px 12px;border:1px solid #b8d1d6;color:#2c7380;font-weight:750;text-transform:uppercase;font-size:.7rem;letter-spacing:.08em;border-radius:3px;margin-bottom:15px}.checklist{list-style:none;margin:26px 0;padding:0}.checklist li{padding:11px 0;border-bottom:1px solid #dbe7e8;display:flex;gap:10px}.checklist li:before{content:'✓';color:var(--teal);font-weight:800}.dark-cta{background:var(--deep);color:#fff;padding:74px 0}.dark-cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:35px}.dark-cta h2{font-size:clamp(2rem,3vw,3.1rem);max-width:660px}.dark-cta p{color:#bdd2d9;margin:12px 0 0}.footer{background:#081e2b;color:#c0d0d6;padding:65px 0 24px}.footer-main{display:grid;grid-template-columns:1.5fr .7fr 1.1fr;gap:50px;padding-bottom:52px}.footer .logo strong{color:#fff}.footer .logo em{color:#b9d7dd}.footer h3{color:#fff;font-size:.9rem;letter-spacing:.03em;margin-bottom:18px}.footer p{color:#b9cbd0;font-size:.89rem;margin-top:22px;max-width:340px}.footer a:hover{color:#fff;text-decoration:underline}.footer-links{display:grid;gap:9px;font-size:.88rem}.footer-bottom{border-top:1px solid #32505b;padding-top:22px;display:flex;justify-content:space-between;gap:20px;font-size:.78rem;color:#98afb8}.subhero{background:linear-gradient(125deg,#0c2a3b,#1a4858);color:#fff;padding:95px 0 100px;overflow:hidden;position:relative}.subhero:after{content:"";position:absolute;width:500px;height:500px;right:-210px;top:-230px;border:1px solid #ffffff25;border-radius:50%}.subhero h1{font-size:clamp(2.75rem,4.7vw,4.8rem);max-width:790px;margin-bottom:22px}.subhero .lead{max-width:740px}.split{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:center}.split img{border-radius:7px}.content h2{margin:0 0 23px}.content p{color:var(--muted);font-size:1.02rem}.number{color:#118c99;font-size:.77rem;font-weight:800;letter-spacing:.1em}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:35px}.step{border-top:2px solid #9fcbd1;padding-top:22px}.step h3{margin:14px 0 10px}.step p{color:var(--muted);font-size:.92rem}.contact-card{background:#f2f7f8;border:1px solid var(--line);padding:35px;border-radius:7px}.contact-card a{color:#0d7785;font-weight:700;overflow-wrap:anywhere}.contact-card h3{margin-bottom:15px}.contact-block{padding:14px 0;border-bottom:1px solid #dbe6e8}.contact-block:last-child{border-bottom:0}.muted{color:var(--muted)}.map-link{display:inline-block;font-weight:700;color:#087b89;margin-top:17px}.simple-line{border:0;border-top:1px solid var(--line);margin:24px 0}.legal{max-width:860px}.legal h2{font-size:1.7rem;margin:35px 0 12px}.legal p{color:var(--muted)}.legal li{margin-bottom:10px;color:var(--muted)}.notice{font-size:.78rem;color:#607a85}.floating-email{position:fixed;right:24px;bottom:24px;z-index:15;background:#0c8795;color:#fff;border-radius:100px;padding:12px 18px;box-shadow:0 8px 25px #0c314135;font-size:.82rem;font-weight:750;display:none}a:focus-visible,button:focus-visible{outline:3px solid #4fb9c4;outline-offset:3px}@media(max-width:1020px){.navlinks{gap:18px;font-size:.82rem}.hero-inner{min-height:600px}.hero-label{bottom:60px}.spotlight-copy{padding:48px 38px}.split{gap:38px}}@media(max-width:760px){.wrap{padding-left:21px;padding-right:21px}.topline .wrap{justify-content:center}.topline .phone-top{display:none}.nav{min-height:69px}.logo strong{font-size:1.65rem}.logo em{font-size:.76rem}.menu{display:block}.navlinks{position:absolute;display:none;top:69px;left:0;right:0;background:#fff;padding:18px 21px 24px;box-shadow:0 15px 22px #0002;align-items:stretch;flex-direction:column;gap:0}.navlinks.open{display:flex}.navlinks a{padding:13px 0;border-bottom:1px solid #edf2f4}.navlinks .btn{margin-top:15px;text-align:center}.hero-inner{grid-template-columns:1fr;gap:0}.hero-copy{padding:75px 0 12px}.hero-copy h1{font-size:clamp(2.85rem,12vw,4.5rem)}.hero-visual{min-height:350px;margin-right:0}.hero-visual img{max-width:550px}.hero-label{left:0;bottom:18px}.lead{font-size:1.07rem}.kicker .wrap{gap:10px;font-size:.74rem;flex-wrap:wrap}.grid2,.grid3,.grid4,.split{grid-template-columns:1fr}.grid3{gap:14px}.grid4{grid-template-columns:repeat(2,1fr)}section.section{padding:68px 0}.section-top{margin-bottom:30px}.tile{padding:25px}.product-img{height:275px}.spotlight{grid-template-columns:1fr}.spotlight-media{min-height:320px}.spotlight-copy{padding:36px 25px 40px}.dark-cta{padding:55px 0}.dark-cta .wrap{align-items:flex-start;flex-direction:column;gap:20px}.footer-main{grid-template-columns:1fr;gap:25px}.footer-main>div{padding-bottom:16px}.footer-bottom{flex-direction:column;gap:8px}.subhero{padding:70px 0}.subhero h1{font-size:clamp(2.6rem,10vw,4.3rem)}.steps{grid-template-columns:1fr 1fr}.floating-email{display:block}}@media(max-width:420px){.steps{grid-template-columns:1fr}.logo em{font-size:.7rem}.hero-visual{min-height:300px}.hero-label{position:relative;left:auto;bottom:auto;align-self:flex-end;margin:0 0 18px -160px}.grid4{grid-template-columns:1fr}}

/* Official NEXA tooth-outline logo */
.logo{display:inline-flex;align-items:center;gap:0;flex-shrink:0}
.logo-image{display:block;width:245px;height:auto;max-height:69px;object-fit:contain;object-position:left center}
.footer .footer-logo .logo-image{width:255px;max-height:82px}
@media(max-width:1020px){.navlinks{gap:15px}.nav{gap:14px}.logo-image{width:220px}}
@media(max-width:760px){.logo-image{width:205px;max-height:58px}.footer .footer-logo .logo-image{width:245px}}
@media(max-width:420px){.logo-image{width:187px;max-height:54px}}

/* V1.2: authentic manufacturer product photography and photorealistic contextual scenes */
.hero-visual img.photo-fill{width:100%;height:440px;max-width:none;object-fit:cover;border-radius:8px;box-shadow:0 22px 55px #001b2840;filter:none}
.hero-visual{padding-top:35px;padding-bottom:35px}
.product-img img.photo-fill,.product-img img.official-product{object-fit:cover;width:100%;height:100%}
.product-img img.official-product{object-fit:contain;background:#fff}
.spotlight-media img.photo-fill{height:100%;width:100%;max-height:none;object-fit:cover}
.split img.photo-fill{width:100%;aspect-ratio:1.55;object-fit:cover}
.image-disclosure{font-size:11px;color:#78909a;line-height:1.45;margin:9px 0 0}
.hero-visual .image-disclosure{position:absolute;bottom:34px;left:0;color:#d0e0e5;text-shadow:0 1px 4px #092734}
.spotlight-media .image-disclosure{position:absolute;left:16px;bottom:10px;padding:5px 8px;background:#08222ac9;color:#e1eff3;border-radius:3px}
.scene-wrap .image-disclosure{margin-top:8px}
.models-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:32px 0 18px}
.model-card{border:1px solid var(--line);border-radius:9px;background:#fff;overflow:hidden;box-shadow:0 12px 30px #0b314009}
.model-picture{height:330px;background:#f8fbfc;position:relative;display:flex;align-items:center;justify-content:center}
.model-picture img{width:100%;height:100%;object-fit:contain;padding:12px}
.official-tag{position:absolute;bottom:10px;left:12px;font-size:10px;color:#647c83;background:#ffffffe8;padding:5px 7px;border-radius:3px}
.model-body{padding:24px}.model-body h3{font-size:1.65rem;margin:4px 0 10px}.model-body p{color:var(--muted);min-height:85px;font-size:.94rem}.model-type{text-transform:uppercase;font-weight:800;letter-spacing:.09em;color:#0d8593;font-size:.68rem}.model-body dl{margin:16px 0 24px;border-top:1px solid var(--line)}.model-body dl div{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding:9px 0;font-size:.82rem}.model-body dt{color:var(--muted)}.model-body dd{margin:0;font-weight:650;text-align:right}.product-showcase .notice{max-width:1050px;margin-top:25px}
@media(max-width:950px){.models-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.models-grid{grid-template-columns:1fr}.model-picture{height:280px}.model-body p{min-height:0}.hero-visual img.photo-fill{height:340px}.hero-visual .image-disclosure{bottom:10px}.hero-label{bottom:58px}}