/* Coastal Hearing Care — Design System
   Colors: #004F59 (deep teal), #00A5B5 (bright teal), #C8B299 (warm sand)
   Reference: Carson Hearing Care Texas — clean, professional, education-focused
*/

:root {
  --color-primary: #004F59;
  --color-primary-dark: #003940;
  --color-accent: #00A5B5;
  --color-accent-dark: #008a99;
  --color-sand: #C8B299;
  --color-sand-light: #e8dcc9;
  --color-cream: #faf6f0;
  --color-text: #2a2f30;
  --color-text-muted: #5a6668;
  --color-border: #e6e0d5;
  --color-white: #ffffff;
  --color-bg-soft: #f7f4ee;

  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --container: 1200px;
  --radius: 8px;
  --radius-lg: 14px;
  --shadow-sm: 0 2px 8px rgba(0, 79, 89, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 79, 89, 0.1);
  --shadow-lg: 0 16px 48px rgba(0, 79, 89, 0.14);
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  line-height: 1.25;
  margin: 0 0 0.75em;
  font-weight: 600;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-tight { padding: 56px 0; }
.section-alt { background: var(--color-bg-soft); }
.section-primary { background: var(--color-primary); color: var(--color-cream); }
.section-primary h2, .section-primary h3 { color: var(--color-white); }
.section-primary a { color: var(--color-sand-light); }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 12px;
}
.section-primary .eyebrow { color: var(--color-sand-light); }

.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 720px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 30px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: 2px solid var(--color-accent);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.btn:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); color: var(--color-white); }
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: var(--color-white); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: var(--color-white); }
.btn-outline-light { background: transparent; color: var(--color-white); border-color: var(--color-white); }
.btn-outline-light:hover { background: var(--color-white); color: var(--color-primary); }
.btn-group { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }

/* Header */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-top {
  background: var(--color-primary);
  color: var(--color-cream);
  font-size: 0.85rem;
  padding: 8px 0;
}
.header-top-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.header-top a { color: var(--color-sand-light); font-weight: 500; }
.header-top a:hover { color: var(--color-white); }
.header-top-locations { display: flex; gap: 20px; flex-wrap: wrap; }
.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  gap: 24px;
}
.site-logo img { height: 80px; width: auto; }
.site-nav ul {
  display: flex;
  gap: 26px;
  list-style: none;
  padding: 0;
  margin: 0;
  align-items: center;
}
.site-nav a {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
}
.site-nav a:hover, .site-nav a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.site-nav .btn { padding: 10px 20px; color: var(--color-white); }
.site-nav .btn:hover { border-bottom-color: var(--color-accent-dark); color: var(--color-white); }
.site-nav a.btn-primary { color: var(--color-white); }
.site-nav a.btn-primary:hover { color: var(--color-white); }

.menu-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
}

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: 96px 0 108px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/clinic-interior-1.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero h1 { color: var(--color-white); margin-bottom: 20px; }
.hero-sub {
  font-size: 1.2rem;
  color: var(--color-sand-light);
  margin-bottom: 32px;
  line-height: 1.6;
}
.hero .eyebrow { color: var(--color-sand-light); }
.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 3 / 2;
  background: var(--color-bg-soft);
}
.hero-image img { width: 100%; height: 100%; object-fit: contain; background: var(--color-bg-soft); }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(200, 178, 153, 0.3);
}
.hero-stat-num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--color-sand-light);
  font-weight: 600;
  line-height: 1;
  margin-bottom: 6px;
}
.hero-stat-label { font-size: 0.85rem; color: var(--color-cream); opacity: 0.85; }

/* Interior page hero */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: 80px 0 72px;
  text-align: center;
}
.page-hero h1 { color: var(--color-white); }
.page-hero p { color: var(--color-sand-light); max-width: 680px; margin: 0 auto; font-size: 1.15rem; }

/* Grids */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.section-header { text-align: center; max-width: 780px; margin: 0 auto 56px; }
.section-header p { color: var(--color-text-muted); font-size: 1.1rem; }

/* Service cards */
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.service-icon {
  width: 56px;
  height: 56px;
  background: var(--color-bg-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary);
}
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 { margin-bottom: 12px; font-size: 1.3rem; }
.service-card p { color: var(--color-text-muted); flex-grow: 1; }
.service-link {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-link::after { content: '→'; transition: transform var(--transition); }
.service-card:hover .service-link::after { transform: translateX(4px); }

/* Team cards */
.team-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.team-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.team-photo {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--color-bg-soft);
}
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-info { padding: 22px 22px 26px; }
.team-info h3 { margin: 0 0 4px; font-size: 1.2rem; }
.team-title {
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
}

/* Locations */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.location-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.location-image { aspect-ratio: 16 / 9; overflow: hidden; }
.location-image img { width: 100%; height: 100%; object-fit: cover; }
.location-body { padding: 28px; }
.location-body h3 { margin-bottom: 12px; }
.location-detail {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 10px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.location-detail svg { width: 18px; height: 18px; color: var(--color-accent); flex-shrink: 0; margin-top: 3px; }

/* Trust bar */
.trust-bar {
  background: var(--color-bg-soft);
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 32px;
  align-items: center;
  justify-items: center;
}
.trust-grid img { max-height: 88px; width: auto; opacity: 0.85; }

/* Feature blocks */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.feature-block.reverse { direction: rtl; }
.feature-block.reverse > * { direction: ltr; }
.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
}
.feature-image img { width: 100%; height: 100%; object-fit: cover; object-position: center 15%; }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  padding: 72px 0;
  text-align: center;
}
.cta-band h2 { color: var(--color-white); margin-bottom: 12px; }
.cta-band p { color: var(--color-sand-light); font-size: 1.15rem; margin-bottom: 28px; }
.cta-band .btn-group { justify-content: center; }

/* Reviews */
.review-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.review-stars { color: #d4a437; font-size: 1.1rem; margin-bottom: 14px; letter-spacing: 2px; }
.review-body { color: var(--color-text); font-style: italic; flex-grow: 1; margin-bottom: 18px; }
.review-author { font-weight: 600; color: var(--color-primary); font-size: 0.95rem; }

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 24px 0;
}
.faq-item summary {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 1.1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-family: var(--font-serif);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  color: var(--color-accent);
  font-size: 1.6rem;
  font-weight: 300;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-answer {
  padding-top: 14px;
  color: var(--color-text-muted);
}

/* Content prose */
.prose { max-width: 780px; margin: 0 auto; }
.prose h2 { margin-top: 2em; }
.prose h3 { margin-top: 1.6em; color: var(--color-primary); }
.prose ul, .prose ol { padding-left: 24px; margin-bottom: 1em; }
.prose li { margin-bottom: 8px; }
.prose blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 16px 24px;
  background: var(--color-bg-soft);
  margin: 24px 0;
  color: var(--color-text);
  font-style: italic;
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* Contact form */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-primary);
  font-size: 0.9rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 165, 181, 0.15);
}
.form-hint { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 6px; }

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-cream);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo img { height: 60px; margin-bottom: 20px; }
.site-footer h4 {
  color: var(--color-sand-light);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: var(--color-cream); font-size: 0.95rem; }
.site-footer a:hover { color: var(--color-white); }
.site-footer p { color: var(--color-cream); font-size: 0.95rem; }
.footer-bottom {
  border-top: 1px solid rgba(200, 178, 153, 0.2);
  padding: 24px 0;
  font-size: 0.85rem;
  text-align: center;
  color: var(--color-cream);
}

/* Utility */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-0 { margin-top: 0; }
.mt-lg { margin-top: 48px; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 64px 0 80px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .feature-block { grid-template-columns: 1fr; gap: 32px; }
  .locations-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .section { padding: 64px 0; }
}
@media (max-width: 720px) {
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-white); border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md); padding: 20px; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 12px; align-items: stretch; }
  .menu-toggle { display: inline-block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .hero-stat-num { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .header-top { display: none; }
}