:root {
  --teal: #0d9488;
  --teal-dark: #0f766e;
  --blue: #2563eb;
  --navy: #0f2e3d;
  --bg-light: #f4f9f9;
  --gray: #6b7280;
  --border: #e2e8f0;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html {
  width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  width: 100%;
  overflow-x: hidden;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #1f2937;
  line-height: 1.6;
  background: #ffffff;
}

a {
  color: inherit;
}

img, svg {
  max-width: 100%;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* NAV */
.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--navy);
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1;
  color: white;
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(13, 148, 136, 0.3);
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  font-weight: 600;
  color: #374151;
  font-size: 0.95rem;
}

.nav-links li:not(:has(a.btn)) > a {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--navy);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--teal-dark);
}

.nav-links a.btn-primary,
.nav-links a.btn-primary:hover {
  color: #fff;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: #fff;
  box-shadow: 0 6px 16px rgba(13, 148, 136, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 8px 20px rgba(13, 148, 136, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.btn-block {
  display: block;
  width: 100%;
}

/* HERO */
.hero {
  background: linear-gradient(180deg, var(--bg-light) 0%, #ffffff 100%);
  padding: 64px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  background: #e0f2f1;
  color: var(--teal-dark);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

h1 {
  font-size: 2.75rem;
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--navy);
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--gray);
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ZIP SEARCH WIDGET */
.search-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 10px 30px rgba(15, 46, 61, 0.08);
}

.search-card h3 {
  margin-top: 0;
  color: var(--navy);
}

.search-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.search-row input {
  flex: 1;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
}

.search-row input:focus {
  outline: 2px solid var(--teal);
  border-color: var(--teal);
}

.search-card .hint {
  font-size: 0.85rem;
  color: var(--gray);
  margin-top: 12px;
}

/* SECTIONS */
section {
  padding: 64px 0;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-head .eyebrow {
  display: inline-block;
}

.section-head h2 {
  font-size: 2rem;
  color: var(--navy);
  margin: 8px 0 12px;
}

.section-head p {
  color: var(--gray);
}

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

.step-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: left;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.step-card:hover {
  border-color: var(--teal);
  box-shadow: 0 8px 24px rgba(15, 46, 61, 0.06);
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--teal);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin-bottom: 16px;
}

.step-card h3 {
  margin: 0 0 8px;
  color: var(--navy);
}

.step-card p {
  color: var(--gray);
  margin: 0;
  font-size: 0.95rem;
}

/* TWO COLUMN AUDIENCE CARDS */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.audience-card {
  border-radius: var(--radius);
  padding: 36px;
  color: #fff;
}

.audience-card.patients {
  background: linear-gradient(135deg, var(--teal), #14b8a6);
}

.audience-card.dentists {
  background: linear-gradient(135deg, var(--navy), var(--blue));
}

.audience-card h3 {
  margin-top: 0;
  font-size: 1.5rem;
}

.audience-card ul {
  padding-left: 20px;
  margin: 16px 0 24px;
}

.audience-card a.btn {
  background: #fff;
  color: var(--navy);
}

/* SERVICES GRID */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.service-card:hover {
  border-color: var(--teal);
  box-shadow: 0 8px 24px rgba(15, 46, 61, 0.06);
}

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg-light);
  color: var(--teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.service-card h3 {
  margin: 0 0 8px;
  color: var(--navy);
}

.service-card p {
  color: var(--gray);
  margin: 0;
}

/* DENTIST RESULTS PAGE */
.results-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.map-placeholder {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  position: relative;
  overflow: hidden;
}

.map-placeholder .pin {
  position: absolute;
  font-size: 1.6rem;
}

.dentist-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dentist-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.dentist-card:hover {
  border-color: var(--teal);
  box-shadow: 0 4px 16px rgba(13, 148, 136, 0.12);
}

.dentist-card.selected {
  border-color: var(--teal);
  background: #f0fdfa;
}

.dentist-card h3 {
  margin: 0 0 4px;
  color: var(--navy);
}

.dentist-meta {
  color: var(--gray);
  font-size: 0.9rem;
  margin: 4px 0;
}

.tag-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 10px 0;
}

.tag {
  background: var(--bg-light);
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.dentist-card .hours {
  font-size: 0.85rem;
  color: var(--gray);
}

.dentist-card .select-btn {
  margin-top: 12px;
}

/* BOOKING MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 46, 61, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 16px;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  max-width: 420px;
  width: 100%;
}

.modal h3 {
  margin-top: 0;
  color: var(--navy);
}

.modal label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--navy);
}

.modal input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.confirmation {
  display: none;
  text-align: center;
}

.confirmation.open {
  display: block;
}

.confirmation .check {
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: #ecfdf5;
  color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 16px;
}

/* LEAD FORM */
.lead-form {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 520px;
  margin: 0 auto;
}

.lead-form label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin: 16px 0 6px;
  color: var(--navy);
}

.lead-form input, .lead-form select, .lead-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
}

.lead-form .btn {
  margin-top: 24px;
}

/* CTA BAND */
.cta-band {
  background: var(--navy);
  color: #fff;
  text-align: center;
  border-radius: var(--radius);
  padding: 48px;
}

.cta-band h2 {
  margin-top: 0;
}

.cta-band p {
  color: #cbd5e1;
  max-width: 520px;
  margin: 0 auto 24px;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 32px;
  color: var(--gray);
  font-size: 0.9rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  padding: 0;
}

.footer-links a {
  text-decoration: none;
  color: var(--gray);
}

.footer-links a:hover {
  color: var(--teal-dark);
}

/* RESPONSIVE */
@media (max-width: 860px) {
  .hero-grid, .audience-grid, .services-grid, .results-layout {
    grid-template-columns: 1fr;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  h1 {
    font-size: 2.1rem;
  }
  .nav-links {
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .nav {
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
  }

  .nav::after {
    content: "";
    flex-basis: 100%;
    order: 2;
  }

  .logo {
    order: 0;
    font-size: 1.15rem;
    gap: 8px;
  }

  .logo-mark {
    width: 34px;
    height: 34px;
    font-size: 0.95rem;
  }

  .nav-links {
    display: contents;
  }

  .nav-links li:has(a.btn) {
    order: 1;
    margin-left: auto;
  }

  .nav-links a.btn {
    display: block;
    text-align: center;
    padding: 8px 18px;
    font-size: 1.15rem;
  }

  .nav-links li:not(:has(a.btn)) {
    order: 3;
    flex: 1;
    text-align: center;
    white-space: nowrap;
    position: relative;
  }

  .nav-links li:not(:has(a.btn)) > a {
    font-size: 0.72rem;
    letter-spacing: 0.04em;
  }

  .nav-links li:not(:has(a.btn)):not(:nth-last-child(2))::after {
    content: "|";
    position: absolute;
    right: 0;
    top: 0;
    color: var(--border);
  }

  h1 {
    font-size: 1.75rem;
  }

  .hero {
    padding: 40px 0 32px;
  }

  .search-card {
    padding: 20px;
  }

  .search-row {
    flex-direction: column;
  }

  .search-row input,
  .search-row button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .cta-band {
    padding: 32px 20px;
  }

  .map-placeholder {
    height: 300px;
  }
}