/* ============================================================
   BRITE SMILE DENTAL CARE — Shared theme (About / Services)
   Matches homepage: Cormorant Garamond + DM Sans, #2563eb blue
   ============================================================ */

:root{
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --accent:#06b6d4;
  --ink:#0f172a;
  --ink-soft:#475569;
  --bg:#ffffff;
  --bg-soft:#f4f7fb;
  --line:#e2e8f0;
  --radius:20px;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow-lg:0 20px 50px rgba(37,99,235,.16);
}


html, body{
  overflow-x:hidden;
  width:100%;
  touch-action: pan-y;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'DM Sans',sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:'Cormorant Garamond',serif;
  color:var(--ink);
  line-height:1.15;
  margin:0 0 .5em;
  font-weight:600;
}
p{margin:0 0 1em;color:var(--ink-soft);}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.gradient-text{
  background:linear-gradient(120deg,var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-tag{
  display:inline-block;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;
  font-weight:700;color:var(--primary);background:rgba(37,99,235,.08);
  padding:6px 16px;border-radius:999px;margin-bottom:14px;font-family:'DM Sans',sans-serif;
}
.section-tag.light-tag{background:rgba(255,255,255,.12);color:#fff;}
.section-header{max-width:640px;margin:0 auto 48px;text-align:center;}
.section-title{font-size:clamp(1.8rem,4vw,2.8rem);}
.white-title{color:#fff;}
.section-desc{font-size:1.05rem;color:var(--ink-soft);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;
  padding:14px 28px;border-radius:999px;border:none;cursor:pointer;
  transition:transform .25s ease, box-shadow .25s ease;
  font-family:'DM Sans',sans-serif;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--primary-dark));
  color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.32);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(37,99,235,.4);}
.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-3px);}
.btn-white{background:#fff;color:var(--primary-dark);}
.btn-white:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(0,0,0,.18);}
.btn-outline-white{background:transparent;border:2px solid rgba(255,255,255,.7);color:#fff;}
.btn-outline-white:hover{background:#fff;color:var(--primary-dark);}

/* ---------- navbar ---------- */
.navbar{
  position:sticky;top:0;z-index:200;background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.nav-container{
  max-width:1180px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:500;font-size:1.05rem;color:var(--ink);}
.nav-logo strong{color:var(--primary);font-weight:700;}
.logo-icon{width:36px;height:36px;border-radius:10px;background:rgba(37,99,235,.1);display:flex;align-items:center;justify-content:center;}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0;}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--ink-soft);position:relative;}
.nav-links a[aria-current="page"]{color:var(--primary);}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--primary);
  transition:width .25s ease;
}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{width:100%;}
.btn-nav{display:inline-block;}

.nav-hamburger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;background:none;border:none;cursor:pointer;z-index:210;
}
.nav-hamburger span{
  display:block;width:24px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .3s ease, opacity .3s ease;
}
.nav-hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-hamburger.active span:nth-child(2){opacity:0;}
.nav-hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.nav-overlay{
  position:fixed;inset:0;background:rgba(15,23,42,.4);
  opacity:0;visibility:hidden;transition:opacity .3s ease;z-index:150;
}
.nav-overlay.active{opacity:1;visibility:visible;}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px 0 56px;overflow:hidden;background:var(--bg-soft);}
.hero-bg-blob{
  position:absolute;top:-160px;right:-160px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle, rgba(37,99,235,.16), transparent 70%);
}
.hero-container{max-width:1180px;margin:0 auto;padding:0 24px;position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  padding:8px 18px;border-radius:999px;font-size:.85rem;font-weight:600;color:var(--ink-soft);
  box-shadow:var(--shadow);margin-bottom:20px;
}
.badge-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 1.8s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(6,182,212,.5);}50%{box-shadow:0 0 0 8px rgba(6,182,212,0);}}
.hero-title{font-size:clamp(2.1rem,4.6vw,3.4rem);max-width:18ch;}
.hero-desc{font-family:'DM Sans',sans-serif;font-weight:400;font-size:1.1rem;color:var(--ink-soft);max-width:60ch;margin-top:10px;}
.hero-cta{display:flex;gap:16px;margin-top:30px;flex-wrap:wrap;}

/* ---------- stats strip ---------- */
.stats-strip{background:var(--ink);padding:40px 0;}
.stats-grid{display:flex;align-items:center;justify-content:center;gap:32px;flex-wrap:wrap;}
.stat-item{text-align:center;color:#fff;}
.stat-number{font-family:'Cormorant Garamond',serif;font-size:2.4rem;font-weight:600;}
.stat-number span{color:var(--accent);}
.stat-label{font-size:.75rem;letter-spacing:.12em;color:#94a3b8;margin-top:2px;}
.stat-divider{width:1px;height:44px;background:rgba(255,255,255,.15);}

/* ---------- generic content sections ---------- */
section{padding:72px 0;}

/* ---------- doctor / about ---------- */
.about-grid,.doctor-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center;}
.about-visual{position:relative;}
.about-img-card{
  border-radius:28px;box-shadow:var(--shadow-lg);aspect-ratio:4/5;position:relative;
  background:linear-gradient(160deg,var(--primary),var(--primary-dark));
}
.about-stat-card{
  position:absolute;bottom:-20px;left:-20px;background:#fff;border-radius:16px;padding:16px 20px;
  box-shadow:var(--shadow);text-align:center;
}
.about-stat-card .stat-num{font-family:'Cormorant Garamond',serif;font-size:1.8rem;color:var(--primary);font-weight:700;}
.about-stat-card .stat-label{font-size:.72rem;color:var(--ink-soft);}
.about-check-card{
  position:absolute;top:22px;right:-18px;background:#fff;border-radius:14px;padding:10px 16px;
  box-shadow:var(--shadow);font-size:.85rem;font-weight:600;display:flex;align-items:center;gap:8px;
}
.about-check-card svg{flex-shrink:0;}
.about-desc{font-size:1.02rem;}
.about-features{list-style:none;margin:24px 0;padding:0;display:grid;gap:12px;}
.about-features li{display:flex;align-items:flex-start;gap:12px;font-weight:500;}
.feature-check{
  width:22px;height:22px;border-radius:50%;background:rgba(37,99,235,.12);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:.75rem;flex-shrink:0;margin-top:2px;
}

/* credential / timeline */
.cred-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.cred-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.cred-card h4{font-size:1.15rem;margin-bottom:6px;}
.cred-card p{margin:0;font-size:.95rem;}

.timeline{position:relative;margin-top:12px;padding-left:28px;border-left:2px solid var(--line);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:'';position:absolute;left:-35px;top:4px;width:14px;height:14px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.15);
}
.timeline-item .t-year{font-family:'Cormorant Garamond',serif;font-weight:700;color:var(--primary);font-size:1.2rem;}
.timeline-item h4{margin:2px 0 4px;font-size:1.1rem;}
.timeline-item p{margin:0;font-size:.95rem;}

/* ---------- services grid ---------- */
.services{background:var(--bg-soft);}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.service-card{
  background:#fff;border-radius:var(--radius);padding:32px 26px;box-shadow:var(--shadow);
  border:1px solid var(--line);transition:transform .3s ease, box-shadow .3s ease;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.service-card.featured{border-color:var(--primary);}
.service-icon{
  width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(6,182,212,.12));
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:16px;
}
.service-card h3{font-size:1.25rem;margin-bottom:8px;}
.service-card p{font-size:.95rem;margin-bottom:14px;}
.service-link{font-weight:700;color:var(--primary);font-size:.9rem;}

/* ---------- why-us (dark, numbered) ---------- */
.why-us{background:var(--ink);color:#fff;}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.why-items{display:grid;gap:28px;margin-top:28px;}
.why-item{display:flex;gap:20px;}
.why-num{font-family:'Cormorant Garamond',serif;font-size:2.4rem;font-weight:700;color:rgba(255,255,255,.25);flex-shrink:0;}
.why-text h4{color:#fff;font-size:1.2rem;margin-bottom:6px;}
.why-text p{color:#94a3b8;margin:0;}
.why-img-card{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);}
.why-img-badge{
  position:absolute;bottom:20px;left:20px;background:#fff;border-radius:14px;padding:12px 18px;
  display:flex;align-items:center;gap:10px;box-shadow:var(--shadow);
}
.why-img-badge strong{display:block;color:var(--ink);font-size:.95rem;}
.why-img-badge p{margin:0;font-size:.8rem;color:var(--ink-soft);}

/* ---------- FAQ accordion ---------- */
.faq-grid{display:grid;gap:14px;max-width:820px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;}
.faq-question{
  width:100%;text-align:left;background:none;border:none;padding:20px 24px;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:'Cormorant Garamond',serif;font-size:1.15rem;font-weight:600;color:var(--ink);
}
.faq-icon{color:var(--primary);font-size:1.3rem;transition:transform .3s ease;flex-shrink:0;}
.faq-question[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px;}
.faq-answer p{padding-bottom:20px;margin:0;font-size:.98rem;}

/* ---------- CTA banner ---------- */
.cta-banner{
  position:relative;background:linear-gradient(120deg,var(--primary),var(--primary-dark));
  color:#fff;overflow:hidden;padding:64px 0;
}
.cta-blob{position:absolute;top:-100px;left:-100px;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.08);}
.cta-content{position:relative;z-index:2;text-align:center;max-width:640px;margin:0 auto;}
.cta-content h2{color:#fff;font-size:clamp(1.8rem,4vw,2.6rem);}
.cta-content p{color:#dbeafe;}
.cta-btns{display:flex;gap:16px;justify-content:center;margin-top:24px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:#94a3b8;padding:56px 0 24px;font-size:.92rem;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;}
.footer-brand p{color:#94a3b8;}
.footer-logo{color:#fff;margin-bottom:14px;}
.footer-contact-info div{margin-bottom:8px;}
.footer-col h5{color:#fff;font-family:'DM Sans',sans-serif;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-col a:hover{color:#fff;}
.footer-social{display:flex;gap:12px;margin-top:16px;}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:20px;text-align:center;font-size:.85rem;}
.footer-bottom a{color:var(--accent);}

/* ---------- reveal animations ---------- */
.reveal{opacity:0;transition:opacity .7s ease, transform .7s ease;}
.reveal.from-bottom{transform:translateY(28px);}
.reveal.from-left{transform:translateX(-32px);}
.reveal.from-right{transform:translateX(32px);}
.reveal.in-view{opacity:1;transform:none;}

/* ============ RESPONSIVE ============ */
@media (max-width:960px){
  .about-grid,.doctor-grid,.why-grid{grid-template-columns:1fr;}
  .services-grid,.cred-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:768px){
  .nav-hamburger{display:flex;}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
    background:#fff;flex-direction:column;align-items:flex-start;justify-content:flex-start;
    padding:100px 32px 32px;gap:26px;
    transform:translateX(100%);transition:transform .4s cubic-bezier(.4,0,.2,1);
    box-shadow:-10px 0 40px rgba(15,23,42,.12);z-index:180;
  }
  .nav-links{
  position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
  background:#fff;flex-direction:column;align-items:flex-start;justify-content:flex-start;
  padding:100px 32px 32px;gap:26px;
  transform:translateX(100%);
  visibility:hidden;
  pointer-events:none;
  transition:transform .4s cubic-bezier(.4,0,.2,1), visibility 0s linear .4s;
  box-shadow:-10px 0 40px rgba(15,23,42,.12);z-index:180;
}
.nav-links.active{
  transform:translateX(0);
  visibility:visible;
  pointer-events:auto;
  transition:transform .4s cubic-bezier(.4,0,.2,1);
     }
  .nav-links a{font-size:1.1rem;}
  .btn-nav{display:none;}
  .stats-grid{gap:20px;}
  .stat-divider{display:none;}
  .stat-item{width:40%;}
  .services-grid{grid-template-columns:1fr;}
  .cred-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;text-align:center;}
  .footer-social{justify-content:center;}
  .about-check-card{right:8px;}
  .about-stat-card{left:8px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{transition:none;opacity:1;transform:none;}
}