:root{
  --blue:#0d5c75;
  --blue-2:#123f52;
  --aqua:#6dc7c3;
  --mint:#eaf8f6;
  --cream:#fbfcfb;
  --white:#ffffff;
  --ink:#203039;
  --muted:#6e7d84;
  --line:#dde7ea;
  --shadow:0 18px 50px rgba(13,92,117,.12);
  --radius:22px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);background:var(--white);line-height:1.65
}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
.container{width:min(var(--max),calc(100% - 36px));margin:auto}
.topbar{background:#0a3948;color:#d9eef1;padding:8px 0;font-size:.85rem}
.topbar .container{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.header{
  position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);border-bottom:1px solid rgba(13,92,117,.08)
}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--blue)}
.brand-mark{
  width:44px;height:44px;border-radius:14px;background:var(--mint);display:grid;place-items:center;
  color:var(--blue);font-size:1.2rem
}
.brand-text strong{display:block;letter-spacing:.04em}
.brand-text span{display:block;font-size:.67rem;letter-spacing:.16em;color:var(--muted)}
.nav-links{display:flex;gap:23px;align-items:center;font-size:.92rem;font-weight:750}
.nav-links a:hover{color:var(--blue)}
.menu-toggle{display:none;border:0;background:none;font-size:1.6rem;color:var(--blue)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;
  border-radius:999px;border:1px solid transparent;font-weight:850;cursor:pointer;transition:.2s
}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-2);transform:translateY(-2px)}
.btn-aqua{background:var(--aqua);color:#113038}
.btn-outline{border-color:#fff;color:#fff}
.hero{
  padding:105px 0 92px;color:#fff;
  background:
    linear-gradient(90deg,rgba(9,52,67,.82),rgba(9,52,67,.44)),
    url('https://images.unsplash.com/photo-1606811971618-4486d14f3f99?auto=format&fit=crop&w=1800&q=85') center/cover no-repeat;
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.eyebrow{
  text-transform:uppercase;letter-spacing:.19em;font-size:.73rem;font-weight:900;
  color:#9ae1dd;margin-bottom:12px
}
h1,h2,h3{margin-top:0;line-height:1.12;color:var(--blue-2)}
.hero h1{color:#fff;font-size:clamp(3rem,6vw,5.4rem);margin-bottom:20px}
.hero p{font-size:1.08rem;color:#e1f0f2;max-width:670px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-stats{display:flex;gap:24px;flex-wrap:wrap;margin-top:31px}
.hero-stats strong{display:block;font-size:1.45rem}
.hero-stats span{font-size:.82rem;color:#cde2e6}
.appointment-card{
  background:#fff;color:var(--ink);padding:28px;border-radius:22px;box-shadow:var(--shadow)
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:6px}
.field.full{grid-column:1/-1}
label{font-size:.84rem;font-weight:800}
input,select,textarea{
  width:100%;padding:12px 13px;border:1px solid #cad9de;border-radius:10px;background:#fff
}
textarea{min-height:120px;resize:vertical}
.notice{display:none;margin-top:12px;padding:11px 13px;background:#eaf7ee;color:#275f35;border-radius:9px}
.section{padding:84px 0}
.section-soft{background:#f6fbfb}
.section-dark{background:var(--blue-2);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-heading{max-width:760px;margin-bottom:40px}
.section-heading h2{font-size:clamp(2.1rem,4vw,3.5rem);margin-bottom:12px}
.section-heading p{color:var(--muted)}
.section-dark .section-heading p{color:#cddfe5}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 10px 28px rgba(13,92,117,.05)
}
.card-body{padding:24px}
.icon{
  width:50px;height:50px;border-radius:14px;background:var(--mint);display:grid;place-items:center;
  color:var(--blue);font-weight:900;margin-bottom:17px
}
.card p{color:var(--muted)}
.treatment-img{height:230px;background-size:cover;background-position:center}
.t1{background-image:url('https://images.unsplash.com/photo-1588776814546-1ffcf47267a5?auto=format&fit=crop&w=1000&q=85')}
.t2{background-image:url('https://images.unsplash.com/photo-1606265752439-1f18756aa376?auto=format&fit=crop&w=1000&q=85')}
.t3{background-image:url('https://images.unsplash.com/photo-1598256989800-fe5f95da9787?auto=format&fit=crop&w=1000&q=85')}
.t4{background-image:url('https://images.unsplash.com/photo-1606811841689-23dfddce3e95?auto=format&fit=crop&w=1000&q=85')}
.doctor-card{overflow:hidden}
.doctor-photo{height:300px;background-size:cover;background-position:center}
.d1{background-image:url('https://images.unsplash.com/photo-1612349317150-e413f6a5b16d?auto=format&fit=crop&w=900&q=85')}
.d2{background-image:url('https://images.unsplash.com/photo-1594824476967-48c8b964273f?auto=format&fit=crop&w=900&q=85')}
.d3{background-image:url('https://images.unsplash.com/photo-1559839734-2b71ea197ec2?auto=format&fit=crop&w=900&q=85')}
.badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--mint);color:var(--blue);font-size:.76rem;font-weight:800}
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.clinic-photo{
  min-height:450px;border-radius:24px;
  background:url('https://images.unsplash.com/photo-1629909613654-28e377c37b09?auto=format&fit=crop&w=1200&q=85') center/cover no-repeat
}
.checks{list-style:none;padding:0;display:grid;gap:12px}
.checks li:before{content:"✓";color:var(--blue);font-weight:900;margin-right:10px}
.testimonial{padding:27px;border:1px solid var(--line);border-radius:18px;background:#fff}
.stars{color:#e0ab43}
.testimonial p{font-size:1.04rem}
.page-hero{padding:78px 0;background:linear-gradient(120deg,#0b5067,#11758d);color:#fff}
.page-hero h1{color:#fff;font-size:clamp(2.8rem,5vw,4.7rem);margin-bottom:12px}
.page-hero p{color:#d9eef1;max-width:740px}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.faq-q{
  width:100%;background:#fff;border:0;padding:18px 20px;text-align:left;font-weight:850;color:var(--blue-2);
  display:flex;justify-content:space-between;gap:20px;cursor:pointer
}
.faq-a{display:none;padding:0 20px 18px;color:var(--muted)}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q span{transform:rotate(45deg)}
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.tab-btn{border:1px solid var(--line);background:#fff;padding:10px 15px;border-radius:999px;font-weight:850;cursor:pointer}
.tab-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.treatment-panel{display:none}
.treatment-panel.active{display:block}
.appointment-steps{display:flex;gap:8px;margin-bottom:24px}
.step-dot{flex:1;height:7px;background:#e3ecef;border-radius:999px}
.step-dot.active{background:var(--aqua)}
.appt-step{display:none}
.appt-step.active{display:block}
.form-actions{display:flex;justify-content:space-between;gap:12px;margin-top:18px}
.slot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.slot{
  border:1px solid var(--line);background:#fff;padding:10px;border-radius:9px;cursor:pointer;font-weight:800
}
.slot.selected{background:var(--blue);color:#fff;border-color:var(--blue)}
.map-card{
  min-height:350px;border-radius:22px;
  background:linear-gradient(rgba(13,92,117,.18),rgba(13,92,117,.18)),
  url('https://images.unsplash.com/photo-1526778548025-fa2f459cd5c1?auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
  display:flex;align-items:flex-end;padding:22px
}
.map-label{background:#fff;padding:15px 17px;border-radius:13px;box-shadow:var(--shadow)}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px}
.form-card{background:#fff;padding:31px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
.cta{
  padding:40px;border-radius:20px;background:var(--blue);color:#fff;
  display:flex;justify-content:space-between;align-items:center;gap:25px
}
.cta h3{color:#fff;font-size:1.9rem;margin-bottom:6px}
.footer{background:#092c38;color:#c6d9df;padding:58px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.footer h4{color:#fff}
.footer a{display:block;margin:8px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:35px;padding-top:18px;font-size:.84rem}
@media(max-width:950px){
  .nav-links{display:none;position:absolute;left:18px;right:18px;top:84px;background:#fff;padding:22px;border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
  .nav-links.open{display:flex}
  .menu-toggle{display:block}
  .nav>.btn{display:none}
  .hero-grid,.split,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:650px){
  .section{padding:64px 0}
  .grid-3,.grid-4,.grid-2,.form-grid,.slot-grid{grid-template-columns:1fr}
  .hero{padding:76px 0}
  .topbar span:last-child{display:none}
  .cta,.form-actions{flex-direction:column;align-items:flex-start}
  .form-actions .btn{width:100%}
}

/* Additional interactive UI */
.search-box{display:flex;gap:10px;margin-bottom:24px}
.search-box input{flex:1}
.no-results{display:none;padding:18px;border-radius:12px;background:#fff4ef;color:#8a4f32;border:1px solid #efd2c3}
.appointment-summary{
  margin-top:22px;padding:20px;border-radius:16px;background:var(--mint);border:1px solid #cfe9e6
}
.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.summary-item{background:#fff;padding:12px;border-radius:10px;border:1px solid var(--line)}
.summary-item span{display:block;font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.summary-item strong{display:block;color:var(--blue-2);margin-top:3px}
.carousel{position:relative;overflow:hidden}
.carousel-track{display:flex;transition:transform .35s ease}
.carousel-slide{min-width:100%}
.carousel-controls{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}
.carousel-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--blue);font-weight:900;cursor:pointer
}
.insurance-checker{
  padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)
}
.insurance-result{
  display:none;margin-top:15px;padding:14px;border-radius:10px;background:#eef8fb;color:#214b5b
}
.progress-label{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted);margin-bottom:8px}
@media(max-width:650px){
  .summary-grid{grid-template-columns:1fr}
  .search-box{flex-direction:column}
}

/* Visual polish and accessibility */
.card,.testimonial,.faq-item,.form-card,.appointment-card,.insurance-checker{
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease
}
.card:hover,.testimonial:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 38px rgba(13,92,117,.10);
  border-color:#c7dde2
}
.doctor-card .doctor-photo,.treatment-img{
  transition:transform .35s ease,filter .35s ease
}
.doctor-card:hover .doctor-photo,.card:hover .treatment-img{
  transform:scale(1.025);
  filter:saturate(1.05)
}
.btn:focus-visible,.faq-q:focus-visible,.slot:focus-visible,.tab-btn:focus-visible,
.carousel-btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(109,199,195,.45);
  outline-offset:3px
}
.slot:hover,.tab-btn:hover,.carousel-btn:hover{
  border-color:var(--aqua);
  background:var(--mint)
}
.nav-links a{position:relative}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-7px;height:2px;
  background:var(--aqua);transition:right .2s ease
}
.nav-links a:hover::after{right:0}
.appointment-card,.form-card{position:relative;overflow:hidden}
.appointment-card::before,.form-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,var(--blue),var(--aqua))
}
.page-hero .container,.hero .container{position:relative}
.page-hero .container::after{
  content:"";position:absolute;width:180px;height:180px;border-radius:50%;
  right:2%;top:50%;transform:translateY(-50%);
  border:1px solid rgba(255,255,255,.12);box-shadow:0 0 0 34px rgba(255,255,255,.035);
  pointer-events:none
}
.badge{letter-spacing:.02em}
.faq-q span{font-size:1.35rem;line-height:1;transition:transform .2s ease}
.insurance-result,.notice{animation:fadeUp .25s ease both}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(6px)}
  to{opacity:1;transform:translateY(0)}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}
@media(max-width:650px){
  .page-hero .container::after{display:none}
  .appointment-card,.form-card{padding:24px}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr}
}