:root{
  --ink:#0a1421;--ink2:#162438;--muted:#657487;--line:#dfe7ee;--soft:#f6f9fc;--white:#fff;
  --violet:#6e56ff;--violet2:#5239e6;--aqua:#32d8ca;--aqua2:#0fb6aa;--sky:#eaf3ff;--lav:#f0edff;--mint:#e7fbf8;
  --navy:#07111d;--shadow:0 22px 70px rgba(15,31,52,.12);--shadow-sm:0 10px 32px rgba(15,31,52,.08);
  --radius:28px;--container:1180px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.62;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,select,input{font:inherit}.container{width:min(var(--container),calc(100% - 40px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;z-index:999;background:#fff;padding:10px 14px;border-radius:10px;box-shadow:var(--shadow-sm)}
.utility-bar{background:#07111d;color:#d7e2ec;font-size:.79rem}.utility-inner{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.utility-inner strong{color:#97f2e6}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.91);backdrop-filter:blur(16px);border-bottom:1px solid rgba(219,229,237,.82)}.nav{min-height:76px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.025em;white-space:nowrap}.brand small{display:block;color:var(--muted);font-size:.68rem;font-weight:650;letter-spacing:.015em}.brand-mark{width:40px;height:40px;border-radius:14px;background:linear-gradient(145deg,var(--violet),#8e7dff);display:grid;place-items:center;position:relative;box-shadow:0 10px 24px rgba(110,86,255,.28)}.brand-mark:before{content:"";position:absolute;width:23px;height:15px;border:2px solid #fff;border-top-width:3px;border-radius:55% 55% 44% 44%/65% 65% 35% 35%;transform:translateY(-1px)}.brand-mark:after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:var(--aqua);right:5px;top:5px;box-shadow:0 0 0 3px rgba(255,255,255,.75)}.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:.91rem;font-weight:750;color:#34485d}.nav-links a{position:relative}.nav-links a:after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:2px;background:linear-gradient(90deg,var(--violet),var(--aqua));transition:.2s}.nav-links a:hover:after{width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;font-weight:850;font-size:.92rem;border:1px solid transparent;transition:.2s ease;cursor:pointer}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--violet),#5c73ff);color:#fff;box-shadow:0 12px 26px rgba(100,85,255,.24)}.btn-primary:hover{filter:brightness(.96)}.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}.btn-aqua{background:var(--aqua);color:#052824}.nav-cta{padding:11px 14px}.menu{display:none;margin-left:auto;border:0;background:none;width:40px;height:40px;position:relative}.menu span,.menu span:before,.menu span:after{content:"";position:absolute;left:8px;right:8px;height:2px;background:var(--ink);transition:.2s}.menu span{top:19px}.menu span:before{top:-7px;left:0;right:0}.menu span:after{top:7px;left:0;right:0}.menu.open span{background:transparent}.menu.open span:before{top:0;transform:rotate(45deg)}.menu.open span:after{top:0;transform:rotate(-45deg)}
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#f8fbff 0%,#fff 100%)}.hero:before{content:"";position:absolute;width:760px;height:760px;border-radius:50%;background:radial-gradient(circle,rgba(110,86,255,.14),rgba(110,86,255,0) 67%);top:-390px;right:-180px}.hero:after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(50,216,202,.12),rgba(50,216,202,0) 68%);bottom:-340px;left:-180px}.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center;padding:78px 0 72px}.eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;text-transform:uppercase;letter-spacing:.14em;font-weight:900;color:var(--violet)}.eyebrow:before{content:"";width:22px;height:2px;background:var(--aqua);border-radius:2px}.hero h1{font-size:clamp(3rem,6vw,5.8rem);line-height:.95;letter-spacing:-.067em;margin:18px 0 22px;max-width:800px}.accent{background:linear-gradient(90deg,var(--violet),#6386ff 55%,var(--aqua));-webkit-background-clip:text;background-clip:text;color:transparent}.lead{font-size:1.18rem;line-height:1.7;color:#526478;max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 20px}.trust-row{display:flex;gap:9px;flex-wrap:wrap}.chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:rgba(255,255,255,.9);padding:8px 11px;border-radius:999px;font-size:.8rem;font-weight:800;color:#4b5d70}.chip-dot{width:7px;height:7px;border-radius:50%;background:var(--aqua);box-shadow:0 0 0 4px rgba(50,216,202,.13)}.picker{display:flex;gap:10px;background:#fff;border:1px solid var(--line);padding:8px;border-radius:16px;box-shadow:var(--shadow-sm);max-width:680px}.picker select{flex:1;border:0;background:#fff;padding:10px 12px;color:#344b5e;outline:none;font-weight:750}.picker .btn{white-space:nowrap}.hero-proof{display:flex;align-items:center;gap:13px;margin-top:25px;padding-top:21px;border-top:1px solid var(--line)}.hero-proof strong{display:block}.hero-proof span{display:block;color:var(--muted);font-size:.86rem}.avatar-stack{display:flex}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid #fff;box-shadow:var(--shadow-sm);font-weight:900;font-size:.64rem;color:var(--violet);margin-left:-6px}.avatar:first-child{margin-left:0}
.hero-visual{position:relative;min-height:545px}.aligner-stage{position:absolute;inset:16px 12px 30px 18px;border-radius:36px;background:linear-gradient(155deg,#081522 0%,#101f34 58%,#0b1726 100%);box-shadow:0 34px 85px rgba(10,23,39,.27);overflow:hidden;padding:30px;color:#fff}.aligner-stage:before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(110,86,255,.29),rgba(110,86,255,0) 68%);top:-125px;right:-100px}.aligner-stage:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(50,216,202,.2),rgba(50,216,202,0) 68%);left:-90px;bottom:-120px}.aligner-head{position:relative;z-index:2;display:flex;justify-content:space-between;gap:16px}.aligner-head small{color:#95a9bd;font-weight:700}.aligner-head h3{font-size:1.65rem;line-height:1.1;margin:6px 0}.match-badge{padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);font-size:.72rem;color:#9cf0e6;font-weight:800}.smile-orbit{position:relative;z-index:2;height:245px;margin:14px 0 8px;display:grid;place-items:center}.smile-ring{width:315px;height:205px;border:1px solid rgba(255,255,255,.12);border-radius:54% 54% 42% 42%/64% 64% 38% 38%;position:relative;transform:rotate(0deg);box-shadow:inset 0 -20px 40px rgba(255,255,255,.03),0 0 80px rgba(92,102,255,.08)}.smile-ring:before{content:"";position:absolute;inset:24px 22px 48px;border:2px solid rgba(187,248,241,.65);border-radius:54% 54% 42% 42%/65% 65% 36% 36%;box-shadow:0 0 24px rgba(50,216,202,.23),inset 0 0 20px rgba(255,255,255,.08)}.tooth-row{position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);display:flex;align-items:flex-start;gap:3px}.tooth{width:30px;height:43px;background:linear-gradient(180deg,#fff,#eaf3f7);border-radius:9px 9px 14px 14px;box-shadow:0 7px 16px rgba(0,0,0,.17);transform-origin:top center}.tooth:nth-child(1),.tooth:nth-child(8){height:34px;width:24px;margin-top:5px}.tooth:nth-child(2),.tooth:nth-child(7){height:38px;width:27px;margin-top:3px}.tooth:nth-child(3),.tooth:nth-child(6){transform:rotate(2deg)}.tooth:nth-child(4){transform:rotate(1deg)}.tooth:nth-child(5){transform:rotate(-1deg)}.tray{position:absolute;left:50%;top:47%;transform:translate(-50%,-50%);width:300px;height:114px;border:3px solid rgba(142,125,255,.75);border-top:6px solid rgba(161,150,255,.82);border-radius:50% 50% 28% 28%/70% 70% 30% 30%;filter:drop-shadow(0 0 18px rgba(110,86,255,.45));background:linear-gradient(180deg,rgba(151,139,255,.10),rgba(50,216,202,.03));backdrop-filter:blur(1px)}.progress-card{position:relative;z-index:2;background:#fff;color:var(--ink);border-radius:20px;padding:16px 18px;box-shadow:var(--shadow-sm)}.progress-top{display:flex;justify-content:space-between;gap:15px;align-items:center}.progress-top b{display:block}.progress-top span{font-size:.74rem;color:var(--muted)}.progress-number{font-size:1.18rem;font-weight:900;color:var(--violet)}.progress-track{height:7px;border-radius:999px;background:#edf0f4;margin-top:11px;overflow:hidden}.progress-track i{display:block;height:100%;width:68%;background:linear-gradient(90deg,var(--violet),var(--aqua));border-radius:999px}.float-pill{position:absolute;background:#fff;border:1px solid #e2e9f0;border-radius:16px;box-shadow:var(--shadow-sm);padding:12px 14px;font-size:.78rem;font-weight:800;color:#405367;z-index:4}.float-pill.one{right:-2px;top:118px}.float-pill.two{left:-2px;bottom:35px}.float-pill strong{color:var(--violet);font-size:1.03rem;margin-right:6px}
.credibility{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.credibility-inner{display:flex;gap:34px;align-items:center;padding:20px 0}.credibility-label{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;font-weight:900;color:var(--muted);white-space:nowrap}.credibility-items{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;flex:1}.credibility-item{display:flex;gap:9px;align-items:center;font-size:.82rem;font-weight:800;color:#405367}.credibility-icon{width:30px;height:30px;border-radius:9px;background:var(--soft);display:grid;place-items:center;color:var(--violet);font-size:.72rem}
.section{padding:86px 0}.section.soft{background:var(--soft)}.section.dark{background:var(--navy);color:#fff}.section-head{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:end;margin-bottom:34px}.section-head h2,.split h2,.article-main h1{font-size:clamp(2.2rem,4.4vw,4.2rem);line-height:1.02;letter-spacing:-.055em;margin:10px 0 0}.section-head p{color:var(--muted);margin:0}.dark .section-head p{color:#9db0bf}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-card{position:relative;padding:26px;border:1px solid var(--line);border-radius:23px;background:#fff;min-height:240px;transition:.22s;overflow:hidden}.topic-card:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-70px;bottom:-78px;background:radial-gradient(circle,rgba(110,86,255,.12),rgba(110,86,255,0) 70%)}.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:#cad6e0}.topic-icon{width:46px;height:46px;border-radius:14px;background:linear-gradient(145deg,var(--lav),#fff);display:grid;place-items:center;color:var(--violet);font-weight:900;margin-bottom:18px}.topic-card h3{font-size:1.25rem;line-height:1.2;margin:0 0 10px}.topic-card p{color:var(--muted);font-size:.92rem;margin:0 0 18px}.topic-link{font-weight:900;color:var(--violet);font-size:.84rem}
.bento{display:grid;grid-template-columns:1.18fr .82fr;gap:18px}.bento-card{border-radius:28px;padding:30px;min-height:270px;overflow:hidden;position:relative}.bento-card.large{background:linear-gradient(145deg,#081522,#14243b);color:#fff}.bento-card.softviolet{background:linear-gradient(145deg,#f1efff,#f9fbff);border:1px solid #e2dcff}.bento-card.mint{background:linear-gradient(145deg,#edfffb,#f8fffd);border:1px solid #d7f3ee}.bento-card h3{font-size:1.85rem;line-height:1.1;letter-spacing:-.04em;margin:8px 0 12px}.bento-card p{color:#637487}.bento-card.large p{color:#a9b7c6}.signal-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}.signal{display:flex;gap:11px;padding:13px;border:1px solid rgba(255,255,255,.09);border-radius:14px;background:rgba(255,255,255,.04)}.signal-num{width:28px;height:28px;border-radius:8px;background:rgba(50,216,202,.14);color:#8af0e5;display:grid;place-items:center;font-weight:900;font-size:.72rem;flex:0 0 auto}.signal b{display:block}.signal span{display:block;color:#9db0bf;font-size:.76rem}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px}.metric{padding:15px;border-radius:15px;background:#fff;border:1px solid var(--line)}.metric b{display:block;font-size:1.35rem;color:var(--violet)}.metric span{color:var(--muted);font-size:.72rem}.mini-steps{display:grid;gap:11px;margin-top:18px}.mini-step{display:grid;grid-template-columns:34px 1fr;gap:11px;align-items:start}.mini-step i{font-style:normal;width:34px;height:34px;border-radius:10px;background:#fff;display:grid;place-items:center;color:var(--violet);font-weight:900;border:1px solid var(--line)}.mini-step b{display:block}.mini-step span{display:block;color:var(--muted);font-size:.78rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.feature-list{display:grid;gap:16px;margin-top:24px}.feature-item{display:grid;grid-template-columns:38px 1fr;gap:13px}.check{width:38px;height:38px;border-radius:12px;background:var(--mint);color:#087c70;display:grid;place-items:center;font-weight:900}.feature-item b{display:block}.feature-item p{margin:2px 0 0;color:var(--muted);font-size:.86rem}.provider-panel{background:linear-gradient(150deg,#f8f6ff,#edf5ff 50%,#ecfffb);border:1px solid #dddff2;border-radius:30px;padding:28px;box-shadow:var(--shadow-sm)}.provider-panel h3{margin:0 0 6px;font-size:1.6rem}.provider-panel p{margin:0 0 20px;color:var(--muted)}.area-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.area{padding:13px 14px;background:#fff;border:1px solid var(--line);border-radius:14px;font-weight:800;font-size:.84rem;color:#3e5568}.area span{display:block;color:var(--muted);font-size:.7rem;font-weight:600;margin-top:2px}
.placeholder-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.clinic-card{border:1px solid var(--line);background:#fff;border-radius:22px;padding:22px;position:relative;min-height:255px}.clinic-card:before{content:"";display:block;height:112px;border-radius:15px;background:linear-gradient(135deg,#f0edff,#f9fbff 50%,#e9fbf8);margin-bottom:17px}.clinic-card:after{content:"";position:absolute;top:57px;left:50%;width:82px;height:32px;transform:translate(-50%,-50%);border:2px solid rgba(110,86,255,.38);border-radius:50% 50% 36% 36%/65% 65% 35% 35%}.clinic-tag{display:inline-flex;padding:6px 9px;border-radius:999px;background:var(--soft);font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;font-weight:900;color:var(--muted)}.clinic-card h3{margin:10px 0 6px;font-size:1.2rem}.clinic-card p{margin:0;color:var(--muted);font-size:.88rem}.clinic-card .placeholder-note{position:absolute;top:33px;left:35px;color:#6d8192;font-weight:900;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-card{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;transition:.22s}.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}.article-cover{height:170px;position:relative;background:linear-gradient(145deg,#f1efff,#f8fbff);overflow:hidden;display:flex;align-items:center;justify-content:center}.article-cover:before{content:"";position:absolute;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(110,86,255,.16),rgba(110,86,255,0) 70%);top:-40px;right:-20px}.article-cover.darkcover{background:linear-gradient(145deg,#081522,#14243b)}.article-symbol{position:relative;z-index:1;font-size:2.6rem;font-weight:900;color:var(--violet);letter-spacing:-.05em}.darkcover .article-symbol{color:#75eee2}.article-body{padding:20px}.article-meta{font-size:.7rem;text-transform:uppercase;letter-spacing:.09em;font-weight:900;color:var(--muted)}.article-body h3{font-size:1.15rem;line-height:1.25;margin:8px 0 9px}.article-body p{color:var(--muted);font-size:.88rem;margin:0 0 15px}.article-body a{font-weight:900;color:var(--violet);font-size:.83rem}
.compare-shell{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff}.compare-head,.compare-row{display:grid;grid-template-columns:1.25fr repeat(3,1fr)}.compare-head{background:var(--navy);color:#fff;font-weight:900}.compare-cell{padding:16px 18px;border-right:1px solid var(--line)}.compare-head .compare-cell{border-color:rgba(255,255,255,.1)}.compare-row{border-top:1px solid var(--line);font-size:.88rem}.compare-row .compare-cell:first-child{font-weight:800}.compare-cell:last-child{border-right:0}.yes,.maybe{display:inline-flex;padding:5px 8px;border-radius:999px;font-size:.72rem;font-weight:900}.yes{background:var(--mint);color:#08796f}.maybe{background:#fff5df;color:#946200}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}.faq-intro p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;background:none;border:0;text-align:left;padding:19px 4px;font-weight:900;display:flex;justify-content:space-between;gap:20px;color:var(--ink);cursor:pointer}.faq-q span:last-child{color:var(--violet);font-size:1.2rem}.faq-a{display:none;padding:0 4px 18px;color:var(--muted);font-size:.92rem}.faq-item.open .faq-a{display:block}.cta-band{background:linear-gradient(110deg,var(--violet),#5e6df0 48%,var(--aqua2));color:#fff;border-radius:30px;padding:34px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;box-shadow:0 22px 60px rgba(95,80,235,.2)}.cta-band h3{font-size:2rem;letter-spacing:-.04em;margin:0 0 6px}.cta-band p{margin:0;color:#edf0ff}.cta-band .btn-secondary{border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.12);color:#fff}
.site-footer{background:#06101b;color:#d7e1e9;padding:54px 0 28px}.footer-grid{display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:34px}.site-footer .brand{color:#fff}.footer-about{color:#8ea3b4;font-size:.88rem;max-width:440px;margin-top:16px}.footer-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:#fff;margin:0 0 12px}.footer-col a{display:block;color:#99adbd;font-size:.86rem;padding:4px 0}.footer-col a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.09);margin-top:35px;padding-top:20px;color:#8499a9;font-size:.76rem}.reading-progress{position:fixed;top:0;left:0;z-index:200;height:3px;background:linear-gradient(90deg,var(--violet),var(--aqua));width:0}.article-hero{background:linear-gradient(180deg,#f8fbff,#fff);padding:62px 0 34px}.breadcrumbs{font-size:.78rem;color:var(--muted);margin-bottom:16px}.breadcrumbs a{color:var(--violet);font-weight:800}.article-hero h1{font-size:clamp(2.7rem,5vw,5rem);line-height:.99;letter-spacing:-.06em;margin:12px 0 18px;max-width:960px}.article-sub{font-size:1.15rem;color:#526a7c;max-width:860px}.article-meta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:54px;padding:48px 0 82px}.article-main{min-width:0}.article-main h2{font-size:2.1rem;line-height:1.12;letter-spacing:-.04em;margin:44px 0 14px}.article-main h3{font-size:1.35rem;line-height:1.25;margin:30px 0 10px}.article-main p,.article-main li{color:#40576a}.article-main ul{padding-left:20px}.article-main li{margin:7px 0}.callout{border-left:4px solid var(--aqua);background:var(--soft);padding:18px 20px;border-radius:0 16px 16px 0;margin:24px 0}.callout b{display:block;color:var(--ink);margin-bottom:4px}.article-sidebar{position:relative}.toc{position:sticky;top:98px;border:1px solid var(--line);border-radius:20px;padding:20px;background:#fff}.toc h4{margin:0 0 10px}.toc a{display:block;padding:7px 0;color:#5c7183;font-size:.84rem;border-bottom:1px solid #edf2f5}.toc a:last-child{border-bottom:0}.toc a:hover{color:var(--violet)}.author-box{display:grid;grid-template-columns:52px 1fr;gap:13px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;margin:28px 0}.author-icon{width:52px;height:52px;border-radius:16px;background:linear-gradient(145deg,var(--lav),var(--mint));display:grid;place-items:center;color:var(--violet);font-weight:900}.author-box b{display:block}.author-box span{display:block;color:var(--muted);font-size:.8rem}.notice{font-size:.8rem;color:#667b8c;background:#f7fafc;border:1px solid var(--line);padding:13px 14px;border-radius:13px}.method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.method-card{padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff}.method-card b{display:block;margin:8px 0}.method-card p{font-size:.84rem;color:var(--muted);margin:0}.mobile-sticky{display:none}
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