:root{--teal:#0EA5A4;--teal-d:#0B8584;--teal-l:#E6F6F6;--navy:#0F1E3A;--navy-2:#1B2C4F;--amber:#F5A524;--ink:#1F2A3D;--muted:#55627A;--line:#E3E8EF;--bg:#FFFFFF;--soft:#F6F9FB;--r:18px;--shadow:0 10px 30px rgba(15,30,58,.08)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:17px;line-height:1.6;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:Poppins,Inter,system-ui,sans-serif;color:var(--navy);line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,6vw,3.6rem);letter-spacing:-.02em}
h2{font-size:clamp(1.7rem,4vw,2.5rem);letter-spacing:-.015em}
h3{font-size:1.15rem}
p{margin:0 0 1em}
a{color:var(--teal-d)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
.narrow{width:min(780px,100% - 40px)}
.center{text-align:center}
.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:100;border-radius:0 0 8px 0}
.skip:focus{left:0}
.eyebrow{font-weight:600;color:var(--teal-d);text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;margin-bottom:.75em}
.eyebrow.light{color:var(--amber)}
.sub{color:var(--muted);font-size:1.08rem;max-width:680px}
.sub.center{margin-inline:auto}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:Poppins,Inter,sans-serif;font-weight:600;font-size:1rem;padding:.85em 1.5em;border-radius:999px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s;min-height:48px}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 6px 18px rgba(14,165,164,.3)}
.btn-primary:hover{background:var(--teal-d)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:#fff}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-amber{background:var(--amber);color:var(--navy)}
.btn-amber:hover{background:#e8961a}
.btn-sm{padding:.55em 1.1em;min-height:42px;font-size:.92rem}
.btn-block{width:100%}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand img{width:150px;height:auto}
.nav-links{display:none;list-style:none;margin:0;padding:0;gap:26px}
.nav-links a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--teal-d)}
@media (min-width:900px){.nav-links{display:flex}.brand img{width:180px}}
/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,var(--teal-l),transparent 60%),linear-gradient(180deg,#fff, var(--soft));padding:48px 0 64px}
.hero-grid{display:grid;gap:40px;align-items:center}
.lead{font-size:1.15rem;color:var(--muted);max-width:600px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
.cta-row .btn{flex:1 1 180px}
@media (min-width:520px){.cta-row .btn{flex:0 0 auto}}
.demo-note{background:#fff;border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:12px;padding:12px 16px;font-size:.95rem;color:var(--muted);max-width:560px}
.demo-note a{color:var(--navy);white-space:nowrap}
.hero-card{display:flex;justify-content:center}
.chat{background:#fff;border-radius:24px;box-shadow:0 24px 60px rgba(15,30,58,.14);padding:20px;width:100%;max-width:420px;border:1px solid var(--line)}
.chat-head{display:flex;gap:12px;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:14px}
.chat-head strong{display:block;font-family:Poppins,sans-serif;color:var(--navy)}
.chat-head span{font-size:.82rem;color:var(--teal-d)}
.bubble{padding:10px 14px;border-radius:16px;margin:8px 0;max-width:85%;font-size:.95rem}
.bubble.in{background:var(--soft);border:1px solid var(--line);border-bottom-left-radius:4px}
.bubble.out{background:var(--teal);color:#fff;margin-left:auto;border-bottom-right-radius:4px}
.chat-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.chat-tags span{font-size:.78rem;background:var(--teal-l);color:var(--teal-d);padding:4px 10px;border-radius:999px;font-weight:600}
@media (min-width:900px){.hero{padding:80px 0 96px}.hero-grid{grid-template-columns:1.15fr .85fr;gap:56px}}
/* sections */
.section{padding:64px 0}
@media (min-width:900px){.section{padding:96px 0}}
.grid{display:grid;gap:18px;margin-top:36px}
@media (min-width:640px){.grid.four,.grid.three{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.grid.four{grid-template-columns:repeat(4,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}}
.pcard,.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}
.pcard p,.fcard p{color:var(--muted);margin:0;font-size:.97rem}
.picon,.ficon{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:14px;font-size:1.5rem;margin-bottom:14px}
.picon{background:#FFF4E0}
.ficon{background:var(--teal-l)}
.problem{background:var(--soft)}
.fcard{transition:transform .15s,box-shadow .15s}
.fcard:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(15,30,58,.12)}
/* how */
.how{background:var(--navy);color:#cfd8e8}
.how h2,.how h3{color:#fff}
.how .eyebrow{color:var(--amber)}
.steps{list-style:none;padding:0;margin:40px 0 0;display:grid;gap:20px;counter-reset:s}
@media (min-width:800px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{background:var(--navy-2);border-radius:var(--r);padding:28px;border:1px solid rgba(255,255,255,.08)}
.steps p{margin:0}
.num{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--teal);color:#fff;font-family:Poppins,sans-serif;font-weight:700;font-size:1.15rem;margin-bottom:16px}
/* dental */
.dental-grid{display:grid;gap:32px;align-items:start}
@media (min-width:900px){.dental-grid{grid-template-columns:1fr 1fr;gap:64px}}
.soon{background:var(--soft);border-radius:12px;padding:14px 18px;color:var(--muted);font-size:.97rem}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.checks li{position:relative;padding:18px 18px 18px 58px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);color:var(--muted)}
.checks li strong{color:var(--navy)}
.checks li::before{content:"";position:absolute;left:18px;top:20px;width:26px;height:26px;border-radius:50%;background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/16px no-repeat}
/* pricing */
.pricing{background:linear-gradient(180deg,var(--soft),#fff)}
.plans{display:grid;gap:22px;margin-top:40px;align-items:stretch}
@media (min-width:900px){.plans{grid-template-columns:repeat(3,1fr)}}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px 26px;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.plan.featured{border:2px solid var(--teal);box-shadow:0 20px 50px rgba(14,165,164,.18)}
@media (min-width:900px){.plan.featured{transform:scale(1.03)}}
.badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--amber);color:var(--navy);font-family:Poppins,sans-serif;font-weight:700;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 14px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:1.4rem;margin-bottom:.1em}
.plan-tag{color:var(--teal-d);font-weight:600;margin-bottom:.8em}
.price{margin:0}
.amt{font-family:Poppins,sans-serif;font-weight:700;font-size:2.6rem;color:var(--navy)}
.per{color:var(--muted);margin-left:4px}
.setup{color:var(--muted);font-size:.92rem;border-bottom:1px solid var(--line);padding-bottom:16px}
.plan ul{list-style:none;padding:0;margin:4px 0 24px;flex:1}
.plan li{padding:7px 0 7px 28px;position:relative;font-size:.97rem}
.plan li::before{content:"";position:absolute;left:0;top:12px;width:16px;height:16px;border-radius:50%;background:var(--teal-l) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B8584' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/11px no-repeat}
.plan li:first-child strong{color:var(--navy)}
.fine{color:var(--muted);font-size:.88rem;margin-top:28px}
/* faq */
.faq details{border:1px solid var(--line);border-radius:14px;margin:12px 0;background:#fff;box-shadow:var(--shadow)}
.faq details:first-of-type{margin-top:32px}
.faq summary{cursor:pointer;list-style:none;padding:18px 54px 18px 22px;font-family:Poppins,sans-serif;font-weight:600;color:var(--navy);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--teal);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 22px 18px;margin:0;color:var(--muted)}
/* contact */
.contact{background:var(--navy);color:#cfd8e8}
.contact h2{color:#fff}
.contact a{color:var(--amber)}
.contact-grid{display:grid;gap:36px;align-items:start}
@media (min-width:900px){.contact-grid{grid-template-columns:.9fr 1.1fr;gap:64px}}
.form{background:#fff;color:var(--ink);border-radius:22px;padding:26px;box-shadow:0 24px 60px rgba(0,0,0,.25)}
.row2{display:grid;gap:0 16px}
@media (min-width:600px){.row2{grid-template-columns:1fr 1fr}}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px;color:var(--navy)}
.opt{font-weight:400;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:1rem;padding:12px 14px;border:1.5px solid #CBD3DF;border-radius:12px;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal)}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:.85rem;color:var(--muted);margin:12px 0 0;text-align:center}
/* footer */
.site-footer{background:#0F1E3A;border-top:1px solid rgba(255,255,255,.08);color:#9fb0cc;padding:40px 0}
.foot{display:flex;flex-direction:column;gap:20px}
@media (min-width:760px){.foot{flex-direction:row;justify-content:space-between;align-items:center}}
.foot-logo{width:240px;margin-left:-16px}
.foot-tag{margin:6px 0 0;color:#cfd8e8;font-style:italic}
.foot-meta p{margin:4px 0;font-size:.92rem}
@media (min-width:760px){.foot-meta{text-align:right}}
/* thank you */
.thanks{min-height:80vh;display:grid;place-items:center;text-align:center;padding:60px 20px;background:radial-gradient(900px 400px at 50% 0,var(--teal-l),transparent 70%)}
.thanks img{margin:0 auto 20px}
/* privacy */
.privacy{background:var(--soft)}
.pricing{background:linear-gradient(180deg,#fff,var(--soft))}
.prow{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.prow .ficon{flex:0 0 44px;width:44px;height:44px;font-size:1.3rem;margin:0}
.prow h3{font-size:1.02rem;margin-bottom:.3em}
.prow p{color:var(--muted);margin:0;font-size:.95rem}
.agreement{margin:28px auto 0;font-weight:600;color:var(--navy);background:#fff;border:1px dashed var(--teal);border-radius:16px;padding:10px 20px;width:fit-content;max-width:100%}
@media (min-width:900px) and (max-width:1060px){.nav-links{gap:18px}}