/* =========================================================
   SHREE SAI DENTAL — DESIGN TOKENS
   Palette: deep pine ink + warm porcelain + brass + clinical mint
   Type: Fraunces (display) + Plus Jakarta Sans (body/UI)
   Signature: the "smile arc" — a soft curve referencing the
   cosmetic smile-design line, used sparingly as identity.
   ========================================================= */

:root{
  --ink:        #0E1712;
  --ink-soft:   #16201A;
  --ink-line:   #243027;
  --porcelain:  #F4EFE6;
  --porcelain-dim: #C9CFC6;
  --brass:      #C7A35C;
  --brass-deep: #A9863F;
  --mint:       #5FA98F;

  --font-display: 'Fraunces', serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

*{ margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  font-family:var(--font-body);
  background:var(--ink);
  color:var(--porcelain);
  overflow-x:hidden;
  line-height:1.6;
}

.container{
  width:90%;
  max-width:1180px;
  margin:auto;
}

a{ text-decoration:none; color:inherit; }
img{ max-width:100%; display:block; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; }

h1,h2,h3{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.15;
  letter-spacing:-0.01em;
}
h1 em, h2 em{ font-style:italic; color:var(--brass); font-weight:500; }

/* ---------- reveal-on-scroll ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-visible{
  opacity:1;
  transform:translateY(0);
}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{ opacity:1; transform:none; transition:none; }
}

/* ---------- shared bits ---------- */
.tag{
  font-family:var(--font-body);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--brass);
  background:rgba(199,163,92,.1);
  border:1px solid rgba(199,163,92,.25);
  padding:8px 16px;
  border-radius:50px;
  display:inline-block;
}

.section-title{
  text-align:center;
  margin-bottom:56px;
}
.section-title h2{
  font-size:42px;
  margin-top:16px;
  color:var(--porcelain);
}
.section-title .subtitle{
  margin-top:10px;
  color:var(--porcelain-dim);
  font-size:16px;
}

.arc-mark{
  display:block;
  color:var(--brass);
  width:90px;
  height:14px;
  margin:6px 0 0 2px;
}
.arc-mark--lg{ width:130px; height:20px; margin-top:10px; }

.btn-primary, .btn-secondary{
  font-weight:700;
  font-size:15px;
  padding:15px 30px;
  border-radius:50px;
  display:inline-block;
  border:1px solid transparent;
  transition:transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}
.btn-primary{
  background:var(--brass);
  color:#1A1306;
}
.btn-primary:hover{
  background:var(--brass-deep);
  transform:translateY(-3px);
}
.btn-secondary{
  border-color:rgba(244,239,230,.25);
  color:var(--porcelain);
  background:transparent;
}
.btn-secondary:hover{
  border-color:var(--brass);
  color:var(--brass);
  transform:translateY(-3px);
}
.btn-small{ padding:11px 22px; font-size:14px; }

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(14,23,18,.7);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(244,239,230,.06);
  padding:18px 0;
  transition:padding .3s var(--ease), background .3s var(--ease);
}
.navbar.scrolled{
  padding:12px 0;
  background:rgba(14,23,18,.92);
}

.nav-container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
}

.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-display);
  font-size:20px;
  font-weight:600;
  color:var(--porcelain);
}
.logo svg{ color:var(--brass); flex-shrink:0; }

.nav-links{
  display:flex;
  gap:34px;
}
.nav-links a{
  position:relative;
  font-weight:500;
  font-size:15px;
  color:var(--porcelain-dim);
  padding-bottom:6px;
  transition:color .25s;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  width:0; height:2px;
  background:var(--brass);
  border-radius:2px;
  transition:width .3s var(--ease);
}
.nav-links a:hover{ color:var(--porcelain); }
.nav-links a:hover::after{ width:100%; }

.nav-right{ display:flex; align-items:center; gap:18px; }

.menu-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:32px; height:32px;
  background:none; border:none;
}
.menu-toggle span{
  display:block;
  width:100%; height:2px;
  background:var(--porcelain);
  border-radius:2px;
  transition:transform .3s var(--ease), opacity .3s var(--ease);
}
.menu-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2){ opacity:0; }
.menu-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero{ padding:110px 0 90px; position:relative; }

.hero-content{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:70px;
  align-items:center;
}

.hero-left h1{
  font-size:58px;
  margin:22px 0 0;
  max-width:600px;
}
.hero-left > p{
  font-size:18px;
  color:var(--porcelain-dim);
  max-width:520px;
  margin-top:22px;
}

.hero-buttons{
  display:flex;
  gap:18px;
  margin-top:34px;
}

.hero-right{
  position:relative;
  min-height:340px;
}

.stats-card{
  position:relative;
  z-index:1;
  background:rgba(244,239,230,.05);
  border:1px solid rgba(244,239,230,.08);
  padding:22px 26px;
  border-radius:var(--radius-md);
  margin-bottom:18px;
  width:78%;
}
.stat-1{ margin-left:0; }
.stat-2{ margin-left:14%; }
.stat-3{ margin-left:0; }

.stats-card h2{
  font-size:32px;
  color:var(--brass);
  font-weight:600;
}
.stats-card .star{ font-size:20px; }
.stats-card p{
  font-size:14px;
  color:var(--porcelain-dim);
  margin-top:2px;
}

/* =========================================================
   ABOUT
   ========================================================= */
.about{ padding:100px 0; }

.about-grid{
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:64px;
  align-items:center;
}

.doctor-frame{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(199,163,92,.25);
}
.doctor-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, transparent 60%, rgba(14,23,18,.55));
}
.doctor-frame img{ width:100%; }

.about-content p{
  font-size:18px;
  color:var(--porcelain-dim);
  margin-bottom:28px;
}

.check-list li{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:16px;
  margin-bottom:16px;
  color:var(--porcelain);
}
.check-list svg{
  width:20px; height:20px;
  color:var(--mint);
  flex-shrink:0;
}

/* =========================================================
   WHY CHOOSE US
   ========================================================= */
.why-choose{ padding:90px 0 110px; }

.why-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}

.why-card{
  background:var(--ink-soft);
  border:1px solid var(--ink-line);
  padding:34px 24px;
  border-radius:var(--radius-md);
  text-align:center;
  transition:transform .35s var(--ease), border-color .35s var(--ease);
}
.why-card:hover{
  transform:translateY(-8px);
  border-color:rgba(199,163,92,.4);
}
.why-2, .why-3{ transform:translateY(-14px); }
.why-2:hover, .why-3:hover{ transform:translateY(-22px); }

.why-card h3{
  font-size:34px;
  color:var(--brass);
  margin-bottom:8px;
}
.why-card p{ color:var(--porcelain-dim); font-size:15px; }

/* =========================================================
   SERVICES
   ========================================================= */
.services{ padding:100px 0; }

.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.service-card{
  background:var(--ink-soft);
  border:1px solid var(--ink-line);
  padding:38px 32px;
  border-radius:var(--radius-md);
  transition:transform .35s var(--ease), border-color .35s var(--ease);
  position:relative;
  overflow:hidden;
}
.service-card::before{
  content:"";
  position:absolute;
  top:0; left:24px; right:24px;
  height:2px;
  background:var(--brass);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .4s var(--ease);
}
.service-card:hover::before{ transform:scaleX(1); }
.service-card:hover{
  transform:translateY(-8px);
  border-color:rgba(199,163,92,.35);
}

.service-card .icon{
  width:54px; height:54px;
  border-radius:14px;
  background:rgba(199,163,92,.1);
  color:var(--brass);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:22px;
}
.service-card .icon svg{ width:26px; height:26px; }

.service-card h3{
  font-size:21px;
  margin-bottom:10px;
  color:var(--porcelain);
}
.service-card p{ color:var(--porcelain-dim); font-size:15px; }

/* =========================================================
   GALLERY
   ========================================================= */
.gallery{ padding:100px 0; }

.gallery-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.gallery-grid .gallery-item:nth-child(1){ grid-row:span 2; }
.gallery-grid .gallery-item:nth-child(5){ grid-row:span 2; }

.gallery-item{
  overflow:hidden;
  border-radius:var(--radius-md);
  border:1px solid var(--ink-line);
  height:100%;
}
.gallery-item img{
  width:100%; height:100%;
  min-height:200px;
  object-fit:cover;
  transition:transform .5s var(--ease), filter .5s var(--ease);
  filter:saturate(.9);
}
.gallery-item:hover img{
  transform:scale(1.06);
  filter:saturate(1.05);
}

/* =========================================================
   REVIEWS
   ========================================================= */
.reviews{ padding:100px 0 70px; }

.review-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.review-card{
  background:var(--ink-soft);
  border:1px solid var(--ink-line);
  padding:30px 28px;
  border-radius:var(--radius-md);
}
.review-card .stars{
  color:var(--brass);
  font-size:15px;
  letter-spacing:2px;
  margin-bottom:14px;
}
.review-card p{ color:var(--porcelain-dim); font-size:15.5px; }

.review-btn{ text-align:center; margin-top:42px; }

/* =========================================================
   FAQ
   ========================================================= */
.faq{ padding:90px 0 110px; }

.faq-list{ max-width:760px; margin:auto; }

.faq-item{
  border-bottom:1px solid var(--ink-line);
}
.faq-question{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  background:none;
  border:none;
  color:var(--porcelain);
  font-size:17px;
  font-weight:600;
  padding:24px 4px;
  text-align:left;
}
.faq-icon{
  position:relative;
  width:18px; height:18px;
  flex-shrink:0;
}
.faq-icon::before, .faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brass);
  border-radius:2px;
}
.faq-icon::before{ width:18px; height:2px; top:8px; left:0; }
.faq-icon::after{ width:2px; height:18px; top:0; left:8px; transition:transform .3s var(--ease); }
.faq-question[aria-expanded="true"] .faq-icon::after{ transform:rotate(90deg); }

.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s var(--ease);
}
.faq-answer p{
  color:var(--porcelain-dim);
  font-size:15.5px;
  padding:0 4px 22px;
  max-width:90%;
}

/* =========================================================
   APPOINTMENT
   ========================================================= */
.appointment{ padding:90px 0 110px; }

.appointment-form{
  max-width:820px;
  margin:auto;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
}

.field{
  position:relative;
}
.field input{
  width:100%;
  padding:18px 16px 10px;
  background:var(--ink-soft);
  border:1px solid var(--ink-line);
  border-radius:var(--radius-sm);
  color:var(--porcelain);
  font-size:15px;
  font-family:inherit;
  transition:border-color .25s;
}
.field input:focus{
  outline:none;
  border-color:var(--brass);
}
.field input[type="date"]{ color-scheme:dark; }

.field label{
  position:absolute;
  left:17px;
  top:18px;
  font-size:15px;
  color:var(--porcelain-dim);
  pointer-events:none;
  transition:all .2s var(--ease);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label{
  top:6px;
  font-size:11.5px;
  color:var(--brass);
}
.field input[type="date"] + label{
  top:6px; font-size:11.5px; color:var(--brass);
}

.appointment-form button{
  grid-column:1 / -1;
  width:260px;
  justify-self:center;
  margin-top:6px;
}

.form-note{
  grid-column:1 / -1;
  text-align:center;
  font-size:14px;
  color:var(--mint);
  min-height:18px;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact{ padding:90px 0; }

.contact-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.contact-card{
  background:var(--ink-soft);
  border:1px solid var(--ink-line);
  padding:32px 28px;
  border-radius:var(--radius-md);
}
.contact-card .icon{
  width:44px; height:44px;
  border-radius:12px;
  background:rgba(95,169,143,.12);
  color:var(--mint);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
}
.contact-card .icon svg{ width:22px; height:22px; }
.contact-card h3{ font-size:18px; margin-bottom:10px; color:var(--porcelain); }
.contact-card p{ color:var(--porcelain-dim); font-size:15px; margin-bottom:4px; }
.contact-card a:hover{ color:var(--brass); }

.timing-note{
  display:inline-block;
  margin-top:8px;
  font-size:13px;
  color:var(--brass);
  font-weight:600;
  letter-spacing:.02em;
}

/* =========================================================
   MAP
   ========================================================= */
.map-section{ padding:0 0 100px; }

.map-box{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--ink-line);
}
.map-box iframe{ display:block; filter:saturate(.85) brightness(.95); }

/* =========================================================
   FOOTER
   ========================================================= */
.footer{
  background:var(--ink-soft);
  border-top:1px solid var(--ink-line);
  padding:54px 0 0;
}
.footer-grid{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:30px;
  flex-wrap:wrap;
  padding-bottom:36px;
}
.footer-muted{
  margin-top:12px;
  color:var(--porcelain-dim);
  font-size:14.5px;
}
.footer-links{
  display:flex;
  gap:26px;
}
.footer-links a{
  color:var(--porcelain-dim);
  font-size:14.5px;
}
.footer-links a:hover{ color:var(--brass); }

.footer-bottom{
  border-top:1px solid var(--ink-line);
  padding:20px 0;
  text-align:center;
  font-size:13.5px;
  color:var(--porcelain-dim);
}

/* =========================================================
   FLOATING BUTTONS
   ========================================================= */
.float-btn{
  position:fixed;
  right:24px;
  width:58px; height:58px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:999;
  box-shadow:0 8px 24px rgba(0,0,0,.35);
  transition:transform .25s var(--ease);
}
.float-btn:hover{ transform:translateY(-4px) scale(1.05); }

.whatsapp-btn{
  bottom:96px;
  background:#25D366;
  color:#fff;
}
.call-btn{
  bottom:24px;
  background:var(--brass);
  color:#1A1306;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:980px){
  .hero-content, .about-grid{ grid-template-columns:1fr; }
  .hero-right{ min-height:auto; display:flex; gap:16px; }
  .stats-card{ width:auto; flex:1; margin-left:0 !important; }
  .services-grid{ grid-template-columns:repeat(2,1fr); }
  .why-grid, .review-grid, .contact-grid{ grid-template-columns:repeat(2,1fr); }
  .why-2, .why-3{ transform:none; }
  .gallery-grid{ grid-template-columns:repeat(2,1fr); }
  .gallery-grid .gallery-item:nth-child(1),
  .gallery-grid .gallery-item:nth-child(5){ grid-row:auto; }
}

@media (max-width:768px){
  .menu-toggle{ display:flex; }
  .nav-links{
    position:absolute;
    top:100%; left:0; right:0;
    flex-direction:column;
    background:rgba(14,23,18,.97);
    backdrop-filter:blur(16px);
    padding:14px 24px 24px;
    gap:18px;
    border-bottom:1px solid var(--ink-line);
    max-height:0;
    overflow:hidden;
    transition:max-height .35s var(--ease);
  }
  .nav-links.open{ max-height:320px; }

  .hero{ padding:60px 0 70px; }
  .hero-right{ flex-direction:column; }
  .hero-left h1{ font-size:38px; }
  .hero-buttons{ flex-direction:column; }
  .hero-buttons a{ text-align:center; }

  .section-title h2{ font-size:30px; }

  .services-grid, .why-grid, .review-grid, .contact-grid, .gallery-grid{
    grid-template-columns:1fr;
  }

  .appointment-form{ grid-template-columns:1fr; }
  .appointment-form button{ width:100%; }

  .footer-grid{ flex-direction:column; }

  .float-btn{ width:50px; height:50px; right:16px; }
  .whatsapp-btn{ bottom:82px; }
  .call-btn{ bottom:20px; }
}