/* ================================================
   DENTAL LANDING PAGE — style.css
   Palette:
     --teal-deep:   #1A7F8E  (primary CTA, headings)
     --teal-mid:    #4DB6C4  (accent, hover states)
     --teal-light:  #EAF6F8  (section wash)
     --white:       #FFFFFF
     --bg:          #F5FAFB  (page background)
     --text:        #1E2D3D  (body copy)
     --text-muted:  #5A7184  (secondary text)
   ================================================ */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --teal-deep:   #1A7F8E;
  --teal-mid:    #4DB6C4;
  --teal-light:  #EAF6F8;
  --white:       #FFFFFF;
  --bg:          #F5FAFB;
  --text:        #1E2D3D;
  --text-muted:  #5A7184;
  --radius-card: 16px;
  --shadow-card: 0 2px 16px rgba(26, 127, 142, 0.08);
  --shadow-hover: 0 8px 28px rgba(26, 127, 142, 0.15);
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --max-w: 1120px;
  --section-pad: 96px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea {
  font: inherit;
  border: none;
  background: none;
  outline: none;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-deep);
  margin-bottom: 12px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 56px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.0625rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--teal-deep);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(26, 127, 142, 0.35);
}
.btn-primary:hover {
  background: #166f7d;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26, 127, 142, 0.42);
}

.btn-ghost {
  background: transparent;
  color: var(--teal-deep);
  border: 2px solid var(--teal-deep);
}
.btn-ghost:hover {
  background: var(--teal-light);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn-full {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
  border-radius: 12px;
}

.nav-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(26, 127, 142, 0.1);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 16px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  color: var(--teal-mid);
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--teal-deep); }

.nav-links .btn-primary,
.nav-links .btn-primary:hover { color: var(--white); }

.hero {
  position: relative;
  overflow: hidden;
  padding-block: 96px 80px;
  background: var(--white);
}

.hero-orb {
  position: absolute;
  top: -180px;
  right: -160px;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(77, 182, 196, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content { z-index: 1; }

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 20px;
}

.hero-subtext {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.hero-badges {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.badge { display: flex; flex-direction: column; }
.badge-num {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--teal-deep);
  line-height: 1;
}
.badge-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.badge-divider {
  width: 1px;
  height: 36px;
  background: rgba(26, 127, 142, 0.18);
}

.hero-image-wrap { position: relative; }

.hero-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(26, 127, 142, 0.18);
}

.services {
  padding-block: var(--section-pad);
  background: var(--teal-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.service-card--accent {
  background: var(--teal-deep);
  color: var(--white);
}
.service-card--accent .service-desc,
.service-card--accent .service-link { color: rgba(255,255,255,0.85); }
.service-card--accent .service-link:hover { color: var(--white); }

.service-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--teal-light);
  color: var(--teal-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.75rem;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.service-card:hover .service-icon {
  background: var(--teal-deep);
  color: var(--white);
  transform: scale(1.08);
}
.service-card--accent .service-icon {
  background: rgba(255,255,255,0.18);
  color: var(--white);
}
.service-card--accent:hover .service-icon {
  background: rgba(255,255,255,0.28);
  transform: scale(1.08);
}

.service-name { font-size: 1.125rem; font-weight: 600; line-height: 1.3; }
.service-desc { font-size: 0.9375rem; color: var(--text-muted); flex: 1; }
.service-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--teal-deep);
  margin-top: 4px;
  transition: opacity 0.15s;
}
.service-link:hover { opacity: 0.75; }

.testimonials {
  padding-block: var(--section-pad);
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.testimonial-card {
  background: var(--bg);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.testimonial-card--featured {
  background: var(--teal-deep);
  color: var(--white);
  transform: scale(1.03);
}
.testimonial-card--featured .testimonial-author span,
.testimonial-card--featured .testimonial-quote { color: rgba(255,255,255,0.88); }

.testimonial-quote {
  font-size: 0.9375rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--text);
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  font-style: normal;
}
.testimonial-author strong { font-size: 0.9375rem; display: block; }
.testimonial-author span { font-size: 0.8125rem; color: var(--text-muted); }

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--teal-mid);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.testimonial-card--featured .author-avatar { background: rgba(255,255,255,0.25); }

.testimonial-stars { color: #f5a623; font-size: 0.875rem; letter-spacing: 2px; }
.testimonial-card--featured .testimonial-stars { color: #ffd166; }

.trust-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  padding: 28px 32px;
  background: var(--teal-light);
  border-radius: var(--radius-card);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--teal-deep);
}
.trust-item svg { flex-shrink: 0; }

.contact {
  padding-block: var(--section-pad);
  background: var(--teal-light);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-subtext {
  color: var(--text-muted);
  font-size: 1.0625rem;
  margin-top: 12px;
  margin-bottom: 36px;
}

.contact-details { display: flex; flex-direction: column; gap: 16px; }
.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text);
}
.contact-details a { color: var(--teal-deep); font-weight: 500; }
.contact-icon { font-size: 1.125rem; flex-shrink: 0; margin-top: 1px; }

.contact-form {
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.875rem; font-weight: 600; color: var(--text); }
.optional { font-weight: 400; color: var(--text-muted); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid #d0e8ec;
  border-radius: 10px;
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal-mid);
  box-shadow: 0 0 0 3px rgba(77, 182, 196, 0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #a0b4be; }
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A7184' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-note { text-align: center; font-size: 0.8125rem; color: var(--text-muted); margin-top: -4px; }

.footer {
  background: var(--text);
  color: rgba(255,255,255,0.7);
  padding-block: 40px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-copy { font-size: 0.8125rem; }

.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.8125rem; transition: color 0.15s; }
.footer-links a:hover { color: var(--teal-mid); }

@media (max-width: 900px) {
  :root { --section-pad: 64px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-img { height: 320px; }
  .hero-orb { top: -100px; right: -100px; width: 400px; height: 400px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .testimonial-card--featured { transform: none; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 600px) {
  :root { --section-pad: 48px; }
  .nav-links a:not(.btn) { display: none; }
  .hero { padding-block: 64px 56px; }
  .hero-headline { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; text-align: center; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  .trust-bar { flex-direction: column; align-items: flex-start; gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
  html { scroll-behavior: auto; }
}