/* ══════════════════════════════════════════════════════════════════
   SmileCare Dental — Shared Stylesheet
   Covers: tokens, reset, utilities, nav, footer, buttons, animations
   Page-specific styles live in each HTML file's <style> block
   ══════════════════════════════════════════════════════════════════ */

/* ── Design Tokens ──────────────────────────────────────────────── */
:root {
  --teal:         #0D9488;
  --teal-light:   #14B8A6;
  --teal-dark:    #0F766E;
  --orange:       #F97316;
  --orange-light: #FDBA74;
  --warm-white:   #FFFBF5;
  --warm-gray:    #FEF3E2;
  --dark:         #1C1917;
  --dark-mid:     #292524;
  --muted:        #78716C;
  --border:       #E7E5E4;
  --surface:      #FFFFFF;
  --gradient-btn: linear-gradient(135deg, #0D9488 0%, #F97316 100%);
  --gradient-warm: linear-gradient(135deg, #FFFBF5 0%, #FEF3E2 100%);
  --shadow-card:  0 8px 32px rgba(0,0,0,0.10);
  --shadow-float: 0 12px 40px rgba(13,148,136,0.18);
  --font-head:    'DM Sans', sans-serif;
  --font-body:    'Inter', sans-serif;
  --radius-card:  16px;
  --radius-pill:  9999px;
}

/* ── Reset ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--surface);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Layout Utilities ───────────────────────────────────────────── */
.container    { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.section-pad  { padding: 96px 0; }
.section-pad-sm { padding: 72px 0; }

/* ── Typography Utilities ───────────────────────────────────────── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body);
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: ''; width: 24px; height: 2px;
  background: var(--teal); border-radius: 2px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700; line-height: 1.15;
  color: var(--dark);
}
.section-title .accent { color: var(--teal); }
.section-title .warm   { color: var(--orange); }

.section-desc {
  font-size: 17px; line-height: 1.7;
  color: var(--muted); max-width: 540px;
  margin-top: 14px;
}

/* ── Scroll Reveal ──────────────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.visible        { opacity: 1; transform: translateY(0); }
.reveal-delay-1        { transition-delay: 0.1s; }
.reveal-delay-2        { transition-delay: 0.2s; }
.reveal-delay-3        { transition-delay: 0.3s; }
.reveal-delay-4        { transition-delay: 0.4s; }

/* ── Buttons ────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--gradient-btn);
  color: #fff; font-family: var(--font-head);
  font-size: 15px; font-weight: 600;
  padding: 0 28px; height: 50px;
  border-radius: var(--radius-pill);
  border: none; cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(13,148,136,0.35);
}
.btn-primary:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 32px rgba(13,148,136,0.45);
}
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--teal);
  color: var(--teal); background: transparent;
  font-family: var(--font-head);
  font-size: 15px; font-weight: 600;
  padding: 0 28px; height: 50px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.btn-outline:hover { background: var(--teal); color: #fff; }
.btn-outline-white {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid rgba(255,255,255,0.5);
  color: rgba(255,255,255,0.9); background: transparent;
  font-family: var(--font-head);
  font-size: 15px; font-weight: 600;
  padding: 0 28px; height: 50px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.8);
}

/* ── Keyframe Animations ────────────────────────────────────────── */
@keyframes floatA {
  from { transform: translateY(0); }
  to   { transform: translateY(-10px); }
}
@keyframes floatB {
  from { transform: translateY(0); }
  to   { transform: translateY(10px); }
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0.4); }
  50%       { box-shadow: 0 0 0 6px rgba(74,222,128,0); }
}

/* ════════════════════════════════════════════════════════
   NAVIGATION
   ════════════════════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0;
  transition: background 0.3s, box-shadow 0.3s, padding 0.3s;
}
.nav.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
  padding: 14px 0;
}
.nav.nav-solid {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
  padding: 14px 0;
}
.nav-inner {
  display: flex; align-items: center; gap: 40px;
}
.nav-logo {
  font-family: var(--font-head);
  font-size: 22px; font-weight: 700;
  color: #fff; margin-right: auto;
  transition: color 0.3s;
  display: flex; align-items: center; gap: 8px;
}
.nav.scrolled .nav-logo,
.nav.nav-solid .nav-logo { color: var(--dark); }
.nav-logo-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--orange); flex-shrink: 0;
}
.nav-links {
  display: flex; align-items: center; gap: 6px;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.85);
  padding: 8px 14px; border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.nav.scrolled .nav-links a,
.nav.nav-solid .nav-links a { color: var(--dark); }
.nav-links a:hover {
  background: rgba(255,255,255,0.12); color: #fff;
}
.nav.scrolled .nav-links a:hover,
.nav.nav-solid .nav-links a:hover {
  background: var(--warm-gray); color: var(--teal);
}
.nav-links a.active {
  color: var(--teal); font-weight: 600;
}
.nav-cta {
  font-family: var(--font-head);
  font-size: 14px; font-weight: 600;
  background: var(--gradient-btn);
  color: #fff; padding: 10px 22px;
  border-radius: var(--radius-pill);
  border: none; cursor: pointer;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.nav-cta:hover { opacity: 0.9; }
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: #fff; border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s, background 0.3s;
}
.nav.scrolled .nav-hamburger span,
.nav.nav-solid .nav-hamburger span { background: var(--dark); }

/* Mobile menu open state */
.nav.nav-open {
  background: rgba(255,255,255,0.98) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}
.nav.nav-open .nav-hamburger span { background: var(--dark); }
.nav.nav-open .nav-hamburger span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav.nav-open .nav-hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav.nav-open .nav-hamburger span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.nav.nav-open .nav-logo { color: var(--dark); }

/* ════════════════════════════════════════════════════════
   SHARED SECTION: DOCTORS (reused on both pages)
   ════════════════════════════════════════════════════════ */
.doctor-card {
  background: var(--surface);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s, box-shadow 0.25s;
}
.doctor-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(13,148,136,0.15);
}
.doctor-avatar-area {
  height: 220px; position: relative;
  display: flex; align-items: flex-end; justify-content: center;
}
.doctor-card.doc-teal   .doctor-avatar-area { background: linear-gradient(160deg, #0D9488 0%, #14B8A6 60%, #FEF3E2 100%); }
.doctor-card.doc-dark   .doctor-avatar-area { background: linear-gradient(160deg, #1C1917 0%, #292524 60%, #FFF7ED 100%); }
.doctor-card.doc-orange .doctor-avatar-area { background: linear-gradient(160deg, #F97316 0%, #FDBA74 60%, #FEF9C3 100%); }
.doctor-initials {
  width: 100px; height: 100px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  border: 3px solid rgba(255,255,255,0.4);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 28px; font-weight: 800;
  color: #fff; letter-spacing: 1px;
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -55%);
}
.doctor-specialty-badge {
  position: absolute; bottom: 16px; left: 16px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border-radius: 8px; padding: 6px 12px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--teal);
}
.doctor-info { padding: 24px; }
.doctor-name {
  font-family: var(--font-head); font-size: 18px; font-weight: 700;
  color: var(--dark);
}
.doctor-qual {
  font-size: 12px; color: var(--muted); margin-top: 3px; font-weight: 500;
}
.doctor-stats { display: flex; gap: 16px; margin-top: 16px; }
.doctor-stat  { display: flex; flex-direction: column; gap: 2px; }
.doctor-stat-num {
  font-family: var(--font-head); font-size: 18px; font-weight: 800;
  color: var(--teal);
}
.doctor-stat-label { font-size: 11px; color: var(--muted); font-weight: 500; }
.doctor-rating {
  display: flex; align-items: center; gap: 6px;
  margin-top: 12px; padding-top: 12px;
  border-top: 1px solid var(--border);
}
.doctor-stars { color: #FBBF24; font-size: 12px; }
.doctor-rating-text { font-size: 12px; color: var(--muted); }
.doctor-btn {
  display: block; width: 100%;
  margin-top: 16px; text-align: center;
  background: var(--gradient-btn);
  color: #fff; border: none; border-radius: 10px;
  padding: 11px; font-size: 13px; font-weight: 600;
  cursor: pointer; font-family: var(--font-head);
  transition: opacity 0.2s;
}
.doctor-btn:hover { opacity: 0.9; }

/* ════════════════════════════════════════════════════════
   SHARED SECTION: CTA BANNER
   ════════════════════════════════════════════════════════ */
.cta-section {
  background: #0F172A;
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 600px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(13,148,136,0.25) 0%, transparent 65%);
  pointer-events: none;
}
.cta-inner { text-align: center; position: relative; z-index: 1; }
.cta-inner .section-title { color: #fff; }
.cta-inner .section-title .accent { color: var(--teal-light); }
.cta-inner .section-desc { color: rgba(255,255,255,0.55); margin: 16px auto 0; }
.cta-actions {
  display: flex; align-items: center; justify-content: center;
  gap: 14px; margin-top: 36px; flex-wrap: wrap;
}
.cta-phone {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-size: 15px; font-weight: 600;
  color: rgba(255,255,255,0.75);
}
.cta-phone svg { width: 18px; height: 18px; color: var(--teal-light); }
.cta-note { font-size: 13px; color: rgba(255,255,255,0.35); margin-top: 16px; }

/* ════════════════════════════════════════════════════════
   SHARED SECTION: APPOINTMENT FORM
   ════════════════════════════════════════════════════════ */
.appt-form-card {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.appt-form-title {
  font-family: var(--font-head); font-size: 22px; font-weight: 700;
  color: var(--dark); margin-bottom: 4px;
}
.appt-form-sub { font-size: 13px; color: var(--muted); margin-bottom: 24px; }
.appt-form-sub span { color: #059669; font-weight: 600; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.form-input, .form-select {
  width: 100%; padding: 12px 16px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: var(--font-body); font-size: 14px;
  color: var(--dark);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none; appearance: none;
}
.form-input:focus, .form-select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.12);
}
.form-input::placeholder { color: #A8A29E; }
.form-label {
  display: block; font-size: 12px; font-weight: 600;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.05em; margin-bottom: 5px;
}
.form-field { display: flex; flex-direction: column; }
.form-submit {
  grid-column: 1 / -1; margin-top: 6px;
  background: var(--gradient-btn);
  color: #fff; border: none; border-radius: 12px;
  padding: 15px; font-size: 15px; font-weight: 700;
  cursor: pointer; font-family: var(--font-head);
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(13,148,136,0.3);
}
.form-submit:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 32px rgba(13,148,136,0.4);
}
.form-note {
  grid-column: 1 / -1; text-align: center;
  font-size: 12px; color: var(--muted); margin-top: 4px;
}

/* ════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════ */
.footer {
  background: #0A0A0A;
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo {
  font-family: var(--font-head); font-size: 20px; font-weight: 700;
  color: #fff; display: flex; align-items: center; gap: 8px;
  margin-bottom: 14px;
}
.footer-logo-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--orange); }
.footer-tagline {
  font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.7; max-width: 220px;
}
.footer-social { display: flex; gap: 8px; margin-top: 20px; }
.footer-social a {
  width: 34px; height: 34px; border-radius: 10px;
  background: rgba(255,255,255,0.07);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.footer-social a:hover { background: var(--teal); }
.footer-social a svg { width: 15px; height: 15px; color: rgba(255,255,255,0.6); }
.footer-social a:hover svg { color: #fff; }
.footer-col h4 {
  font-family: var(--font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.4); margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.6); transition: color 0.15s; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px;
}
.footer-copy   { font-size: 12px; color: rgba(255,255,255,0.3); }
.footer-credit { font-size: 12px; color: rgba(255,255,255,0.2); }
.footer-credit a { color: rgba(255,255,255,0.4); }

/* ════════════════════════════════════════════════════════
   SHARED RESPONSIVE OVERRIDES
   ════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .section-pad    { padding: 64px 0; }
  .section-pad-sm { padding: 48px 0; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger  { display: flex; }
  .nav-inner { flex-wrap: wrap; }
  .nav.nav-open .nav-links {
    display: flex; flex-direction: column; gap: 2px;
    width: 100%; order: 3; padding: 6px 0 8px;
  }
  .nav.nav-open .nav-links a {
    color: var(--dark); padding: 12px 16px; border-radius: 10px; font-size: 15px;
  }
  .nav.nav-open .nav-links a:hover { background: var(--warm-gray); color: var(--teal); }
  .nav.nav-open .nav-cta {
    display: block; order: 4; width: 100%; text-align: center;
    margin: 0 0 12px; padding: 13px;
  }
  .footer-grid    { grid-template-columns: 1fr; }
  .footer-bottom  { flex-direction: column; gap: 8px; text-align: center; }
  .form-grid      { grid-template-columns: 1fr; }
  .doctors-grid   { grid-template-columns: 1fr; }
}

/* ── JS shared helper ─────────────────────────────────── */
/* Used by both index + about to init scroll reveal & nav */