/* ========================================
   P. Pillay Dental — Stylesheet
   Design Language: Warm cream, sage-teal, terracotta
   ======================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand colours */
  --color-cream: #FBF7F1;
  --color-sage: #5B8A80;
  --color-sage-dark: #4A7268;
  --color-sage-light: #7BA89E;
  --color-terracotta: #D98B6B;
  --color-terracotta-dark: #C47A5A;
  --color-charcoal: #3A3530;
  --color-slate-teal: #2A3D38;

  /* Semantic role tokens — LIGHT theme (default) */
  --bg-page: var(--color-cream);
  --bg-surface: #FFFFFF;
  --bg-surface-alt: #F3EDE5;
  --bg-header: rgba(251, 247, 241, 0.95);
  --bg-footer: var(--color-slate-teal);

  --text-primary: var(--color-charcoal);
  --text-secondary: #5C5650;
  --text-heading: var(--color-slate-teal);
  --text-link: var(--color-sage);

  /* Text-on-brand: text that sits on a saturated brand-colour background
     (hero, buttons, footer, nav accents). Stays white/light in BOTH themes. */
  --text-on-brand: #FFFFFF;
  --text-on-brand-muted: rgba(255, 255, 255, 0.85);

  --accent-primary: var(--color-sage);
  --accent-primary-hover: var(--color-sage-dark);
  --accent-secondary: var(--color-terracotta);
  --accent-secondary-hover: var(--color-terracotta-dark);

  --border-color: #E8E0D6;
  --border-color-strong: #D4C9BC;
  --shadow-sm: 0 1px 3px rgba(58, 53, 48, 0.06);
  --shadow-md: 0 4px 12px rgba(58, 53, 48, 0.08);
  --shadow-lg: 0 8px 24px rgba(58, 53, 48, 0.1);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --font-heading: 'Lora', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --container-max: 1140px;
  --header-height: 72px;
}

/* ---------- DARK theme overrides ---------- */
[data-theme="dark"] {
  --bg-page: #1E2A27;
  --bg-surface: #253530;
  --bg-surface-alt: #2D3F3A;
  --bg-header: rgba(30, 42, 39, 0.95);
  --bg-footer: #162220;

  --text-primary: #E8E2DC;
  --text-secondary: #B8AFA6;
  --text-heading: #D4E8E2;
  --text-link: var(--color-sage-light);

  /* text-on-brand stays unchanged — still white on saturated backgrounds */

  --accent-primary: var(--color-sage-light);
  --accent-primary-hover: var(--color-sage);
  --accent-secondary: var(--color-terracotta);
  --accent-secondary-hover: #E09B7E;

  --border-color: #3A4E48;
  --border-color-strong: #4A5E58;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-page);
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover, a:focus {
  color: var(--accent-primary-hover);
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  line-height: 1.3;
  font-weight: 600;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p + p { margin-top: 1em; }

ul, ol { padding-left: 1.5em; }

/* ---------- Utility ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

.section--alt {
  background-color: var(--bg-surface-alt);
}

.text-center { text-align: center; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background-color: var(--accent-secondary);
  color: var(--text-on-brand);
}

.btn--primary:hover, .btn--primary:focus {
  background-color: var(--accent-secondary-hover);
  color: var(--text-on-brand);
}

.btn--secondary {
  background-color: var(--accent-primary);
  color: var(--text-on-brand);
}

.btn--secondary:hover, .btn--secondary:focus {
  background-color: var(--accent-primary-hover);
  color: var(--text-on-brand);
}

.btn--outline {
  background-color: transparent;
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
}

.btn--outline:hover, .btn--outline:focus {
  background-color: var(--accent-primary);
  color: var(--text-on-brand);
}

.btn--whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
}

.btn--whatsapp:hover, .btn--whatsapp:focus {
  background-color: #1EB954;
  color: #FFFFFF;
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-header);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  height: var(--header-height);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.header__brand {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-heading);
  text-decoration: none;
}

.header__brand:hover {
  color: var(--accent-primary);
  text-decoration: none;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
}

.header__links a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.header__links a:hover,
.header__links a.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  text-decoration: none;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.theme-toggle:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background-color: var(--bg-surface);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* Sun icon visible in dark mode, moon visible in light mode */
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Mobile menu toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 5rem 0;
  background-color: var(--accent-primary);
  color: var(--text-on-brand);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(91, 138, 128, 0.95), rgba(42, 61, 56, 0.85));
  z-index: 1;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.hero h1 {
  color: var(--text-on-brand);
  margin-bottom: 1rem;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
}

.hero p {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-on-brand-muted);
  margin-bottom: 2rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.trust-bar__items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem 3rem;
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.trust-bar__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.trust-bar__icon svg {
  width: 20px;
  height: 20px;
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent-primary);
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---------- About section / page ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-intro__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-intro__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.about-intro__text h2 {
  margin-bottom: 1rem;
}

.about-intro__text p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.quote-block {
  background-color: var(--bg-surface);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-secondary);
}

.quote-block cite {
  display: block;
  margin-top: 0.75rem;
  font-style: normal;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background-color: var(--accent-primary);
  color: var(--text-on-brand);
  padding: 3.5rem 0;
  text-align: center;
}

.cta-banner h2 {
  color: var(--text-on-brand);
  margin-bottom: 0.75rem;
}

.cta-banner p {
  color: var(--text-on-brand-muted);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.cta-banner .btn--primary {
  background-color: var(--accent-secondary);
}

.cta-banner .btn--primary:hover {
  background-color: var(--accent-secondary-hover);
}

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info__item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--bg-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.contact-info__icon svg {
  width: 20px;
  height: 20px;
}

.contact-info__text h4 {
  margin-bottom: 0.25rem;
  color: var(--text-heading);
}

.contact-info__text p,
.contact-info__text a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-info__text a:hover {
  color: var(--accent-primary);
}

/* ---------- Form ---------- */
.form {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.form__group {
  margin-bottom: 1.25rem;
}

.form__label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background-color: var(--bg-page);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(91, 138, 128, 0.15);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ---------- Map ---------- */
.map-embed {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-top: 2rem;
}

.map-embed iframe {
  width: 100%;
  height: 350px;
  border: 0;
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--bg-footer);
  color: var(--text-on-brand-muted);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-on-brand);
  margin-bottom: 0.75rem;
}

.footer__desc {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer h4 {
  color: var(--text-on-brand);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.footer__links {
  list-style: none;
  padding: 0;
}

.footer__links li {
  margin-bottom: 0.4rem;
}

.footer__links a {
  color: var(--text-on-brand-muted);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer__links a:hover {
  color: var(--text-on-brand);
  text-decoration: none;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.8;
}

.footer__contact-item a {
  color: var(--text-on-brand-muted);
}

.footer__contact-item a:hover {
  color: var(--text-on-brand);
  text-decoration: none;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
}

/* ---------- Page Header (internal pages) ---------- */
.page-header {
  background-color: var(--accent-primary);
  color: var(--text-on-brand);
  padding: 3rem 0;
  text-align: center;
}

.page-header h1 {
  color: var(--text-on-brand);
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--text-on-brand-muted);
  font-size: 1.1rem;
}

/* ---------- Services list ---------- */
.services-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.service-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
}

.service-item__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

.service-item__icon svg {
  width: 30px;
  height: 30px;
}

.service-item h3 {
  margin-bottom: 0.5rem;
}

.service-item p {
  color: var(--text-secondary);
}

/* ---------- Hours table ---------- */
.hours-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.hours-table tr {
  border-bottom: 1px solid var(--border-color);
}

.hours-table td {
  padding: 0.6rem 0;
}

.hours-table td:first-child {
  font-weight: 500;
  color: var(--text-primary);
}

.hours-table td:last-child {
  text-align: right;
  color: var(--text-secondary);
}

/* ---------- Medical Aid Badge ---------- */
.medical-aid-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .header__links {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  /* Mobile nav overlay */
  .header__nav.open .header__links {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: var(--header-height) 0 0 0;
    background-color: var(--bg-page);
    padding: 2rem 1.5rem;
    gap: 1.25rem;
    border-top: 1px solid var(--border-color);
    z-index: 99;
  }

  .hero {
    padding: 3.5rem 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .about-intro {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .trust-bar__items {
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
  }

  .service-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .service-item__icon {
    width: 48px;
    height: 48px;
  }

  .service-item__icon svg {
    width: 24px;
    height: 24px;
  }
}

@media (max-width: 480px) {
  .hero__ctas {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}