/* ============================================================
   Sree Dental Care Clinic — shared stylesheet
   Palette: navy ink, teal primary, warm orange CTA (Clove-inspired)
   ============================================================ */

:root {
  --navy: #0b2a4a;
  --teal: #0e8384;
  --teal-dark: #0a6162;
  --teal-soft: #e3f4f4;
  --orange: #f2711c;
  --orange-dark: #d95f10;
  --ink: #22344a;
  --muted: #5b7083;
  --line: #e2ebf0;
  --bg-soft: #f4fafa;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(11, 42, 74, 0.10);
  --shadow-sm: 0 4px 14px rgba(11, 42, 74, 0.08);
  --radius: 16px;
  --font: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-dark); }

h1, h2, h3, h4 { color: var(--navy); line-height: 1.25; font-weight: 700; }

.container { width: min(1180px, 92%); margin: 0 auto; }

section { padding: 72px 0; }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .eyebrow {
  display: inline-block;
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 12px; }
.section-head p { color: var(--muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  font-family: var(--font);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 6px 18px rgba(242, 113, 28, .35); }
.btn-primary:hover { background: var(--orange-dark); color: #fff; }
.btn-teal { background: var(--teal); color: #fff; box-shadow: 0 6px 18px rgba(14, 131, 132, .3); }
.btn-teal:hover { background: var(--teal-dark); color: #fff; }
.btn-outline { border-color: var(--teal); color: var(--teal-dark); background: transparent; }
.btn-outline:hover { background: var(--teal-soft); color: var(--teal-dark); }
.btn-white { background: #fff; color: var(--navy); }
.btn-white:hover { background: #eef6f6; color: var(--navy); }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--navy);
  color: #cfe0ee;
  font-size: 13px;
  padding: 7px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.topbar a { color: #fff; font-weight: 600; }
.topbar .tb-item { display: inline-flex; align-items: center; gap: 6px; }
.topbar svg { flex: none; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: #fff;
  box-shadow: 0 2px 12px rgba(11, 42, 74, .08);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 20px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-logo {
  width: 48px; height: 48px; flex: none;
  background: #0c143b;
  border-radius: 50%;
  overflow: hidden;
  display: grid; place-items: center;
}
.brand-logo img { width: 100%; height: 100%; object-fit: cover; }
.brand-name { font-weight: 700; color: var(--navy); font-size: 19px; line-height: 1.15; }
.brand-name small { display: block; font-size: 11.5px; color: var(--teal-dark); font-weight: 600; letter-spacing: .8px; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav > a {
  color: var(--ink);
  font-weight: 500;
  font-size: 15px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.main-nav > a:hover { color: var(--teal-dark); }
.main-nav > a.active { color: var(--teal-dark); border-bottom-color: var(--orange); }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: .2s; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(115deg, #073042 0%, #0a5f60 55%, #0e8384 100%);
  color: #fff;
  padding: 84px 0 96px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(255,255,255,.10), transparent 45%);
  pointer-events: none;
}
.hero .container { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; position: relative; z-index: 1; }
.hero h1 { color: #fff; font-size: clamp(30px, 4.4vw, 50px); margin: 18px 0 16px; }
.hero h1 em { font-style: normal; color: #ffc79b; }
.hero p.lead { color: #d7ecec; font-size: 17.5px; max-width: 520px; }
.hero .badge-row { display: flex; gap: 10px; flex-wrap: wrap; }
.hero .pill {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}
.hero .hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-img-wrap { position: relative; }
.hero-img-wrap img {
  border-radius: 24px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, .35);
  aspect-ratio: 4 / 3.4;
  object-fit: cover;
  width: 100%;
  background: #0a5f60;
}
.hero-card {
  position: absolute;
  left: -26px; bottom: -26px;
  background: #fff;
  color: var(--ink);
  border-radius: 16px;
  padding: 14px 20px;
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 12px;
  font-size: 14px;
}
.hero-card strong { color: var(--navy); display: block; font-size: 16px; }
.hero-card .hc-icon {
  width: 44px; height: 44px; border-radius: 12px; flex: none;
  background: var(--teal-soft); display: grid; place-items: center;
}

/* ---------- Stats strip ---------- */
.stats { background: var(--white); padding: 0; }
.stats .stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 34px 30px;
  margin-top: -52px;
  position: relative;
  z-index: 5;
}
.stat { text-align: center; }
.stat .num { font-size: clamp(26px, 3vw, 36px); font-weight: 700; color: var(--teal-dark); }
.stat .num sup { font-size: .55em; color: var(--orange); }
.stat .lbl { color: var(--muted); font-size: 14px; margin-top: 2px; }

/* ---------- Cards / grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.card .icon-badge {
  width: 56px; height: 56px;
  border-radius: 15px;
  background: var(--teal-soft);
  display: grid; place-items: center;
  margin-bottom: 18px;
}
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card .card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-weight: 600; font-size: 14px; }

/* ---------- Help picker ---------- */
.help-picker { background: var(--bg-soft); }
.help-picker .section-head { margin-bottom: 36px; }
.hp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  max-width: 1000px;
  margin: 0 auto;
}
.hp-card {
  background: #fff;
  border: 2px solid var(--line);
  border-radius: 14px;
  padding: 30px 14px 24px;
  text-align: center;
  cursor: pointer;
  font-family: var(--font);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.hp-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); border-color: var(--teal); }
.hp-card.selected { border-color: var(--orange); box-shadow: 0 10px 22px rgba(242, 113, 28, .18); }
.hp-card svg { display: block; margin: 0 auto 16px; }
.hp-card .hp-label { font-weight: 600; color: var(--navy); font-size: 15px; }
.hp-continue { text-align: center; margin-top: 36px; }
.hp-continue .btn[disabled] { opacity: .45; cursor: not-allowed; pointer-events: none; }

/* ---------- Why choose ---------- */
.why { background: var(--bg-soft); }
.why-item { display: flex; gap: 16px; align-items: flex-start; }
.why-item .icon-badge { flex: none; width: 52px; height: 52px; border-radius: 14px; background: #fff; box-shadow: var(--shadow-sm); display: grid; place-items: center; }
.why-item h3 { font-size: 17px; margin-bottom: 6px; }
.why-item p { color: var(--muted); font-size: 14.5px; }

/* ---------- Feature banner (implants 72h) ---------- */
.feature-banner {
  background: linear-gradient(120deg, var(--navy), #123c66);
  border-radius: 24px;
  color: #fff;
  padding: 48px 52px;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 40px;
  align-items: center;
  overflow: hidden;
  position: relative;
}
.feature-banner h2 { color: #fff; font-size: clamp(24px, 3vw, 34px); margin-bottom: 14px; }
.feature-banner h2 em { font-style: normal; color: #ffc79b; }
.feature-banner p { color: #c9dcee; margin-bottom: 24px; }
.feature-banner img { border-radius: 18px; aspect-ratio: 4/3; object-fit: cover; box-shadow: 0 18px 40px rgba(0,0,0,.35); background:#123c66; }

/* ---------- Testimonials ---------- */
.testimonials { background: var(--bg-soft); }
.t-slider { position: relative; overflow: hidden; }
.t-track { display: flex; transition: transform .5s ease; }
.t-slide { flex: 0 0 100%; padding: 6px; }
.t-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  padding: 36px 40px;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.t-card .stars { color: #f5a623; font-size: 18px; letter-spacing: 3px; margin-bottom: 14px; }
.t-card blockquote { font-size: 16.5px; color: var(--ink); margin-bottom: 22px; }
.t-card .t-who { display: flex; align-items: center; justify-content: center; gap: 13px; }
.t-card .t-who img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; background: var(--teal-soft); }
.t-card .t-who strong { display: block; color: var(--navy); font-size: 15px; }
.t-card .t-who span { color: var(--muted); font-size: 13px; }
.t-nav { display: flex; justify-content: center; gap: 10px; margin-top: 26px; }
.t-nav button {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff; cursor: pointer;
  display: grid; place-items: center;
  transition: .15s;
  font-size: 18px; color: var(--navy);
}
.t-nav button:hover { background: var(--teal); color: #fff; border-color: var(--teal); }

/* Review cards page */
.review-card { display: flex; flex-direction: column; gap: 12px; }
.review-card .stars { color: #f5a623; letter-spacing: 2px; }
.review-card .r-head { display: flex; align-items: center; gap: 12px; }
.review-card .r-head img { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; background: var(--teal-soft); }
.review-card .r-head strong { display: block; color: var(--navy); font-size: 15px; }
.review-card .r-head span { font-size: 12.5px; color: var(--muted); }
/* initial-letter avatar, the way Google shows reviewers without a photo — these are
   real named patients, so a stock face would misrepresent them */
.r-avatar {
  display: flex; align-items: center; justify-content: center; flex: none;
  border-radius: 50%; background: var(--teal-soft);
  color: var(--navy); font-weight: 700; line-height: 1;
}
.review-card .r-head .r-avatar { width: 46px; height: 46px; font-size: 17px; }
.t-card .t-who .r-avatar { width: 52px; height: 52px; font-size: 19px; }
.rating-summary {
  display: flex; align-items: center; justify-content: center; gap: 34px;
  background: #fff; border-radius: 20px; box-shadow: var(--shadow-sm);
  padding: 30px 40px; max-width: 640px; margin: 0 auto 44px; flex-wrap: wrap;
}
.rating-summary .big { font-size: 54px; font-weight: 700; color: var(--navy); line-height: 1; }

/* ---------- CTA strip ---------- */
.cta-strip {
  background: linear-gradient(120deg, var(--teal-dark), var(--teal));
  color: #fff;
  text-align: center;
  padding: 64px 0;
}
.cta-strip h2 { color: #fff; font-size: clamp(24px, 3vw, 34px); margin-bottom: 12px; }
.cta-strip p { color: #d7ecec; margin-bottom: 26px; }
.cta-strip .btn-row { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(115deg, #073042, #0a6162);
  color: #fff;
  padding: 58px 0;
  text-align: center;
}
.page-hero h1 { color: #fff; font-size: clamp(28px, 3.6vw, 42px); margin-bottom: 10px; }
.page-hero p { color: #cfe6e6; max-width: 640px; margin: 0 auto; }
.page-hero .crumbs { font-size: 13.5px; color: #9fc9c9; margin-bottom: 14px; }
.page-hero .crumbs a { color: #fff; }

/* ---------- About page ---------- */
.doctor-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.doctor-photo img { border-radius: 22px; box-shadow: var(--shadow); aspect-ratio: 3/3.4; object-fit: cover; background: var(--teal-soft); }
.doctor-photo .doc-badge {
  background: var(--navy); color: #fff; border-radius: 14px;
  padding: 14px 18px; margin-top: -34px; position: relative;
  margin-left: 18px; margin-right: 18px; text-align: center;
  box-shadow: var(--shadow);
}
.doctor-photo .doc-badge strong { display: block; font-size: 16px; }
.doctor-photo .doc-badge span { font-size: 13px; color: #b9cfe3; }
.doctor-bio h2 { font-size: 28px; margin-bottom: 4px; }
.doctor-bio .doc-sub { color: var(--teal-dark); font-weight: 600; margin-bottom: 18px; }
.doctor-bio p { color: var(--ink); margin-bottom: 14px; font-size: 15.5px; }
.check-list { list-style: none; margin: 18px 0; }
.check-list li { padding-left: 32px; position: relative; margin-bottom: 11px; font-size: 15px; }
.check-list li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--teal-soft); color: var(--teal-dark);
  font-size: 13px; font-weight: 700;
  display: grid; place-items: center;
}
.facility-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.facility-grid img { border-radius: 16px; aspect-ratio: 4/3; object-fit: cover; box-shadow: var(--shadow-sm); background: var(--teal-soft); }
/* the real clinic photos are portrait, so a centred 4:3 crop cuts heads off —
   .tall biases the crop upward to keep faces and the treatment area in frame */
.facility-grid img.tall, .treatment-inner .t-media img.tall { object-position: center 35%; }

.mission-cards .card { text-align: center; }
.mission-cards .icon-badge { margin: 0 auto 18px; }

/* ---------- Treatments page ---------- */
.treat-nav {
  position: sticky; top: 76px; z-index: 90;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  overflow-x: auto;
}
.treat-nav .container { display: flex; gap: 10px; width: max-content; min-width: 0; max-width: none; padding: 0 4%; margin: 0; }
.treat-nav a {
  white-space: nowrap;
  font-size: 13.5px; font-weight: 500;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink);
}
.treat-nav a:hover { background: var(--teal-soft); border-color: var(--teal); color: var(--teal-dark); }

.treatment-section { padding: 56px 0; scroll-margin-top: 140px; }
.treatment-section.alt { background: var(--bg-soft); }
.treatment-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.treatment-inner.flip .t-media { order: 2; }
.treatment-inner .t-media img { border-radius: 20px; aspect-ratio: 4/3; object-fit: cover; box-shadow: var(--shadow); background: var(--teal-soft); }
.treatment-inner h2 { font-size: 26px; margin: 10px 0 12px; }
.treatment-inner .t-tag {
  display: inline-block; background: var(--teal-soft); color: var(--teal-dark);
  font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
  padding: 5px 13px; border-radius: 999px;
}
.treatment-inner p { color: var(--muted); font-size: 15px; margin-bottom: 10px; }

/* ---------- Blog page ---------- */
.blog-card { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.blog-card img { aspect-ratio: 16/9; object-fit: cover; background: var(--teal-soft); }
.blog-card .blog-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.blog-card .b-tag { color: var(--orange); font-size: 12.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.blog-card h3 { font-size: 17.5px; margin-bottom: 8px; }
.blog-card p { flex: 1; }

.myth-card { border-left: 4px solid var(--orange); }
.myth-card .myth { color: #c0392b; font-weight: 600; font-size: 15px; }
.myth-card .fact { color: var(--teal-dark); font-weight: 600; font-size: 15px; margin-top: 10px; }
.myth-card p { margin-top: 4px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; margin-bottom: 12px; overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: none; border: 0;
  font-family: var(--font); font-size: 15.5px; font-weight: 600; color: var(--navy);
  padding: 18px 54px 18px 22px; cursor: pointer; position: relative;
}
.faq-q::after {
  content: "+";
  position: absolute; right: 20px; top: 50%;
  transform: translateY(-50%);
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--teal-soft); color: var(--teal-dark);
  display: grid; place-items: center; font-size: 17px; font-weight: 600;
  transition: .2s;
}
.faq-item.open .faq-q::after { content: "–"; background: var(--teal); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { padding: 0 22px 20px; color: var(--muted); font-size: 14.5px; }

/* ---------- Appointment page ---------- */
.appt-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: start; }
.form-card { background: #fff; border-radius: 20px; box-shadow: var(--shadow); padding: 38px 36px; }
.form-card h2 { font-size: 24px; margin-bottom: 6px; }
.form-card > p { color: var(--muted); font-size: 14.5px; margin-bottom: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13.5px; font-weight: 600; color: var(--navy); }
.form-field input, .form-field select, .form-field textarea {
  font-family: var(--font);
  font-size: 14.5px;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #fbfdfe;
  color: var(--ink);
  transition: border-color .15s;
  width: 100%;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--teal); background: #fff;
}
.form-field .err { color: #c0392b; font-size: 12.5px; display: none; }
.form-field.invalid input, .form-field.invalid select { border-color: #c0392b; }
.form-field.invalid .err { display: block; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 14px; }
.form-success {
  display: none;
  background: #e8f7ef; border: 1px solid #b7e4c9; color: #1e7b45;
  padding: 14px 18px; border-radius: 12px; font-size: 14.5px; margin-top: 18px;
}
.form-success.error { background: #fdeeee; border-color: #f0c4c4; color: #b03a3a; }

.contact-card { background: var(--navy); color: #fff; border-radius: 20px; padding: 34px 32px; }
.contact-card h3 { color: #fff; font-size: 20px; margin-bottom: 20px; }
.contact-row { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.contact-row .icon-badge { flex: none; width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,.12); display: grid; place-items: center; }
.contact-row strong { display: block; font-size: 14.5px; color: #fff; }
.contact-row span, .contact-row a { font-size: 13.5px; color: #b9cfe3; }
.contact-row a:hover { color: #fff; }
.hours-table { width: 100%; font-size: 14px; border-collapse: collapse; margin-top: 6px; }
.hours-table td { padding: 7px 0; border-bottom: 1px solid rgba(255,255,255,.12); color: #d5e4f0; }
.hours-table td:last-child { text-align: right; color: #fff; font-weight: 500; }
.map-wrap { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); margin-top: 44px; }
.map-wrap iframe { width: 100%; height: 380px; border: 0; display: block; }

/* ---------- Footer ---------- */
.site-footer { background: #07223c; color: #a9c2d8; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 40px; padding: 60px 0 44px; }
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: #a9c2d8; }
.site-footer a:hover { color: #fff; }
.footer-brand p { margin-top: 14px; font-size: 13.5px; line-height: 1.7; }
.social-row { display: flex; gap: 10px; margin-top: 18px; }
.social-row a {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(255,255,255,.08);
  display: grid; place-items: center;
  transition: .15s;
}
.social-row a:hover { background: var(--teal); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; font-size: 13px; text-align: center; }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 300;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366;
  display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .45);
  transition: transform .15s;
}
.wa-float:hover { transform: scale(1.08); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero .container, .doctor-grid, .appt-grid, .treatment-inner, .feature-banner { grid-template-columns: 1fr; }
  .treatment-inner.flip .t-media { order: 0; }
  .hero { padding: 56px 0 80px; }
  .hero-card { left: 10px; bottom: -20px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .facility-grid { grid-template-columns: repeat(2, 1fr); }
  .hp-grid { grid-template-columns: repeat(2, 1fr); }
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: min(320px, 82vw);
    background: #fff; flex-direction: column; align-items: flex-start;
    padding: 90px 30px 30px; gap: 18px;
    box-shadow: -10px 0 40px rgba(0,0,0,.15);
    transform: translateX(105%);
    transition: transform .28s ease;
    z-index: 250;
  }
  .main-nav.open { transform: none; }
  .nav-toggle { display: block; z-index: 260; position: relative; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  .nav-cta .btn { display: none; }
  .topbar .tb-hours { display: none; }
}

@media (max-width: 640px) {
  section { padding: 52px 0; }
  .stats .stats-grid { grid-template-columns: repeat(2, 1fr); padding: 26px 18px; }
  .grid-3, .grid-2, .mission-cards { grid-template-columns: 1fr !important; }
  .facility-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .feature-banner { padding: 34px 26px; }
  .t-card { padding: 28px 22px; }
  .form-card { padding: 28px 22px; }
}