/* =========================================================
   NUSMILE HOSPITAL — Design System
   Palette: deep teal (trust/clinical) + warm sand (child-friendly warmth)
   Type: Fraunces (headings) + Work Sans (body/UI)
   ========================================================= */

:root{
  --teal-900:#0E4D47;
  --teal-800:#125A53;
  --teal-700:#167A70;
  --teal-600:#1E958A;
  --teal-100:#EAF4F2;
  --teal-050:#F5FAF9;
  --sand-500:#E8934A;
  --sand-600:#D67C33;
  --sand-100:#FCEEDF;
  --ink:#1B2523;
  --slate:#5B6B69;
  --slate-light:#8B9997;
  --line:#DCE6E4;
  --white:#FFFFFF;
  --danger:#B4453C;
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:20px;
  --shadow:0 1px 2px rgba(14,77,71,.06), 0 8px 24px rgba(14,77,71,.06);
  --max:1180px;
  --serif:"Fraunces", Georgia, "Times New Roman", serif;
  --sans:"Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:1rem;}

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  color:var(--teal-900);
}
h1{font-size:clamp(2.1rem,4.2vw,3.4rem); letter-spacing:-.01em;}
h2{font-size:clamp(1.6rem,2.8vw,2.3rem); letter-spacing:-.01em;}
h3{font-size:1.25rem;}
p{margin:0 0 1em; color:var(--slate); max-width:65ch;}
.lede{font-size:1.15rem; color:var(--ink);}

.container{max-width:var(--max); margin:0 auto; padding:0 24px;}
.section{padding:72px 0;}
.section--tight{padding:48px 0;}
.section--tint{background:var(--teal-050);}
.section--deep{background:var(--teal-900); color:var(--white);}
.section--deep h2, .section--deep h3{color:var(--white);}
.section--deep p{color:#CFE6E2;}

.eyebrow{
  color:var(--teal-700);
  font-weight:600;
  font-size:.95rem;
  margin-bottom:.4em;
  display:block;
}

.grid{display:grid; gap:28px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-sm);
  font-weight:600;
  font-size:1rem;
  border:2px solid transparent;
  transition:transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--sand-500); color:var(--white);}
.btn-primary:hover{background:var(--sand-600);}
.btn-outline{background:transparent; border-color:var(--white); color:var(--white);}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.btn-teal{background:var(--teal-900); color:var(--white);}
.btn-teal:hover{background:var(--teal-800);}
.btn-ghost{background:transparent; border-color:var(--teal-900); color:var(--teal-900);}
.btn-ghost:hover{background:var(--teal-100);}
.btn-sm{padding:9px 18px; font-size:.9rem;}
.btn-block{width:100%;}
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:3px solid var(--sand-500); outline-offset:2px;
}

/* ============ HEADER ============ */
.announce{
  background:var(--teal-900); color:#CFE6E2;
  font-size:.85rem; text-align:center; padding:8px 16px;
}
.announce strong{color:var(--white);}

.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--max); margin:0 auto; padding:14px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.logo{display:flex; align-items:center; gap:10px; font-family:var(--serif); font-weight:700; font-size:1.3rem; color:var(--teal-900);}
.logo-mark{
  width:38px;height:38px;border-radius:50%;
  background:var(--teal-100); color:var(--teal-900);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.logo-mark svg{width:22px;height:22px;}

.main-nav ul{display:flex; gap:28px; align-items:center;}
.main-nav a{font-weight:500; color:var(--ink); font-size:.98rem; position:relative; padding:4px 0;}
.main-nav a:hover{color:var(--teal-700);}
.main-nav a[aria-current="page"]{color:var(--teal-900); font-weight:700;}
.main-nav a[aria-current="page"]::after{
  content:""; position:absolute; left:0; right:0; bottom:-4px; height:2px; background:var(--sand-500);
}

.header-cta{display:flex; align-items:center; gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:var(--teal-100); color:var(--teal-900);
}
.icon-btn svg{width:19px;height:19px;}

.nav-toggle{
  display:none; background:none; border:none; padding:6px;
  flex-direction:column; gap:5px; width:40px; height:40px;
  align-items:center; justify-content:center;
}
.nav-toggle span{display:block; width:22px; height:2px; background:var(--teal-900); border-radius:2px;}

/* Mobile sticky call/appointment bar */
.mobile-cta-bar{
  display:none;
  position:fixed; bottom:0; left:0; right:0; z-index:99;
  background:var(--white); border-top:1px solid var(--line);
  padding:10px 14px; gap:10px;
  box-shadow:0 -4px 16px rgba(14,77,71,.10);
}
.mobile-cta-bar a{flex:1;}

/* ============ HERO ============ */
.hero{
  position:relative; overflow:hidden;
  background:var(--teal-050);
}
.hero-blob{
  position:absolute; top:-120px; right:-160px; width:520px; height:520px;
  background:radial-gradient(circle at 30% 30%, var(--teal-100), transparent 70%);
  border-radius:50%;
  z-index:0;
}
.hero-inner{
  position:relative; z-index:1;
  max-width:var(--max); margin:0 auto; padding:64px 24px 72px;
  display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center;
}
.hero-copy .eyebrow{color:var(--sand-600);}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-top:28px;}
.hero-meta{
  display:flex; gap:24px; margin-top:36px; flex-wrap:wrap;
  padding-top:24px; border-top:1px solid var(--line);
}
.hero-meta div{font-size:.92rem; color:var(--slate);}
.hero-meta strong{display:block; color:var(--teal-900); font-family:var(--serif); font-size:1.05rem;}

.hero-media{
  position:relative; border-radius:var(--radius-lg);
  overflow:hidden; aspect-ratio:4/5; background:var(--teal-100);
}
.img-placeholder{
  width:100%; height:100%;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px;
  background:repeating-linear-gradient(135deg, var(--teal-100), var(--teal-100) 12px, #E1F0ED 12px, #E1F0ED 24px);
  color:var(--teal-700); text-align:center; padding:20px;
}
.img-placeholder svg{width:44px; height:44px; opacity:.7;}
.img-placeholder span{font-size:.85rem; font-weight:600; max-width:220px;}

/* ============ CARDS ============ */
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:28px 24px;
}
.card-icon{
  width:48px; height:48px; border-radius:var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  background:var(--teal-100); color:var(--teal-900); margin-bottom:18px;
}
.card-icon svg{width:24px;height:24px;}
.card--accent-1{border-top:3px solid var(--teal-700);}
.card--accent-2{border-top:3px solid var(--sand-500);}
.card--accent-3{border-top:3px solid #6E9E4C;}
.card--accent-4{border-top:3px solid #4C7FA6;}

.card-link{
  display:inline-flex; align-items:center; gap:6px;
  color:var(--teal-700); font-weight:600; font-size:.92rem; margin-top:14px;
}

/* Quick info strip */
.quick-grid{margin-top:-56px; position:relative; z-index:2;}
.quick-grid .grid{background:var(--white); border-radius:var(--radius-lg); box-shadow:var(--shadow); padding:8px;}
.quick-item{padding:24px 20px; text-align:left;}
.quick-item:not(:last-child){border-right:1px solid var(--line);}

/* Section header helper */
.section-head{max-width:640px; margin-bottom:44px;}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center;}

/* Doctor cards */
.doctor-card{text-align:left;}
.doctor-photo{aspect-ratio:1/1; border-radius:var(--radius-md); overflow:hidden; margin-bottom:16px;}
.doctor-card h3{margin-bottom:.15em;}
.doctor-role{color:var(--teal-700); font-weight:600; font-size:.9rem; margin-bottom:8px; display:block;}
.doctor-meta{font-size:.88rem; color:var(--slate-light); margin:0;}

/* Placeholder banner */
.notice{
  border:1px dashed var(--sand-500);
  background:var(--sand-100);
  color:#7A4A1F;
  border-radius:var(--radius-md);
  padding:16px 20px;
  font-size:.92rem;
  margin:0 0 32px;
}
.notice strong{color:#5C3616;}

/* FAQ accordion */
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%; text-align:left; background:none; border:none;
  padding:20px 4px; display:flex; justify-content:space-between; align-items:center; gap:16px;
  font-family:var(--serif); font-size:1.05rem; color:var(--teal-900); font-weight:600;
}
.faq-q .plus{font-size:1.4rem; color:var(--sand-500); flex-shrink:0; transition:transform .2s ease;}
.faq-item[data-open="true"] .plus{transform:rotate(45deg);}
.faq-a{padding:0 4px 20px; display:none; max-width:70ch;}
.faq-item[data-open="true"] .faq-a{display:block;}

/* Testimonial */
.testimonial-card{
  background:var(--teal-050); border-radius:var(--radius-md); padding:28px;
  border:1px solid var(--line);
}
.testimonial-card p{color:var(--ink); font-style:italic;}
.testimonial-name{font-weight:700; color:var(--teal-900); font-size:.92rem;}

/* Forms */
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:20px;}
.field{display:flex; flex-direction:column; gap:6px;}
.field.full{grid-column:1/-1;}
.field label{font-weight:600; font-size:.9rem; color:var(--teal-900);}
.field input, .field select, .field textarea{
  padding:12px 14px; border:1px solid var(--line); border-radius:var(--radius-sm);
  background:var(--white); color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{border-color:var(--teal-600);}
.field small{color:var(--slate-light); font-size:.8rem;}
.form-disclaimer{
  font-size:.85rem; color:var(--slate); background:var(--teal-050);
  border-radius:var(--radius-sm); padding:14px 16px; margin-top:20px;
}
.form-status{margin-top:16px; font-size:.92rem; display:none;}
.form-status.visible{display:block;}
.form-status.success{color:#1E7A4E;}
.form-status.error{color:var(--danger);}

/* Steps (legit sequence — how to book) */
.steps{counter-reset:step;}
.step{display:flex; gap:18px; padding:18px 0;}
.step:not(:last-child){border-bottom:1px solid var(--line);}
.step-num{
  counter-increment:step; flex-shrink:0;
  width:36px; height:36px; border-radius:50%;
  background:var(--teal-900); color:var(--white);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--serif); font-weight:700;
}
.step-num::before{content:counter(step);}

/* Map */
.map-wrap{border-radius:var(--radius-lg); overflow:hidden; border:1px solid var(--line);}
.map-frame{width:100%; aspect-ratio:16/8; border:0;}

/* Gallery */
.gallery-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px;}
.gallery-item{aspect-ratio:4/3; border-radius:var(--radius-sm); overflow:hidden;}
.gallery-filter{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:28px;}
.chip{
  padding:8px 16px; border-radius:999px; border:1px solid var(--line);
  font-size:.88rem; font-weight:600; color:var(--slate); background:var(--white);
}
.chip.active{background:var(--teal-900); color:var(--white); border-color:var(--teal-900);}

/* Footer */
.site-footer{background:var(--teal-900); color:#CFE6E2; padding:64px 0 24px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:36px;}
.site-footer h4{color:var(--white); font-family:var(--serif); font-size:1rem; margin-bottom:16px;}
.site-footer a{color:#CFE6E2;}
.site-footer a:hover{color:var(--white);}
.footer-links li{margin-bottom:10px; font-size:.92rem;}
.footer-logo{display:flex; align-items:center; gap:10px; font-family:var(--serif); font-weight:700; font-size:1.2rem; color:var(--white); margin-bottom:14px;}
.footer-logo .logo-mark{background:rgba(255,255,255,.12); color:var(--white);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14); margin-top:48px; padding-top:24px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:.85rem; color:#9FC3BD;
}
.social-row{display:flex; gap:10px; margin-top:16px;}
.social-row a{
  width:36px;height:36px;border-radius:50%; background:rgba(255,255,255,.1);
  display:flex; align-items:center; justify-content:center;
}
.social-row svg{width:17px;height:17px;}

/* Breadcrumb */
.breadcrumb{font-size:.85rem; color:var(--slate-light); padding:16px 0;}
.breadcrumb a{color:var(--teal-700); font-weight:600;}

/* Page hero (interior pages) */
.page-hero{background:var(--teal-050); padding:48px 0 40px;}
.page-hero h1{margin-bottom:.25em;}

/* Disclaimer strip */
.disclaimer-strip{
  background:var(--teal-050); border-top:1px solid var(--line); padding:18px 0; font-size:.85rem; color:var(--slate);
}

/* Utility */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.stack{display:flex; flex-direction:column; gap:8px;}
.tag{
  display:inline-block; font-size:.78rem; font-weight:700; color:var(--sand-600);
  background:var(--sand-100); padding:4px 10px; border-radius:999px; margin-bottom:10px;
}

/* ============ RESPONSIVE ============ */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-media{order:-1; aspect-ratio:16/9;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .quick-item:not(:last-child){border-right:none; border-bottom:1px solid var(--line);}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:720px){
  .main-nav{
    position:fixed; inset:0 0 0 auto; width:min(320px,85vw); height:100vh;
    background:var(--white); transform:translateX(100%); transition:transform .25s ease;
    padding:90px 28px 28px; box-shadow:-8px 0 24px rgba(0,0,0,.08);
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav ul{flex-direction:column; align-items:flex-start; gap:22px;}
  .nav-toggle{display:flex;}
  .header-cta .btn-teal{display:none;}
  .mobile-cta-bar{display:flex;}
  body{padding-bottom:64px;}
  .grid-2, .grid-3, .grid-4{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .quick-grid{margin-top:-40px;}
  .gallery-grid{grid-template-columns:1fr 1fr;}
  .nav-overlay.active{
    content:""; position:fixed; inset:0; background:rgba(14,30,28,.4); z-index:90;
  }
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important; scroll-behavior:auto !important;}
}