/* ============================================================
   P&S Odontologia — Main Stylesheet
   Mobile-first, WCAG AA compliant, no JS framework dependencies
   ============================================================ */

:root {
  --color-primary: #8B1A1A;
  --color-primary-dark: #6B1313;
  --color-primary-light: #A82020;
  --color-accent: #E8A09A;     /* Decorative only — fails WCAG AA on white for small text */
  --color-accent-bg: #FFF5F5;
  --color-white: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-muted: #555555;
  --color-border: #E8D0D0;
  --color-section-alt: #FDF8F8;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 4px rgba(139, 26, 26, 0.08);
  --shadow-md: 0 4px 16px rgba(139, 26, 26, 0.12);
  --shadow-lg: 0 8px 32px rgba(139, 26, 26, 0.16);

  --max-width: 1100px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -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-primary-dark); }
a:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.25;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 4rem 0;
}

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

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-accent-bg);
  border: 1px solid var(--color-border);
  padding: 0.25rem 0.875rem;
  border-radius: 100px;
  margin-bottom: 0.875rem;
}

.section__title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 1rem;
}

.section__subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.7;
}

.text-center { text-align: center; }
.text-center .section__subtitle { margin: 0 auto; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  border: 2px solid transparent;
  line-height: 1;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}
.btn--white:hover {
  background: var(--color-accent-bg);
  color: var(--color-primary-dark);
}

.btn--lg {
  padding: 1.0625rem 2.25rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-lg);
}

.btn svg { flex-shrink: 0; }

/* ============ HEADER / NAV ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav__logo-name {
  font-family: var(--font-heading);
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav__logo-sub {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav__links {
  display: none;
  list-style: none;
  gap: 0.25rem;
  align-items: center;
}

.nav__links a {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav__links a:hover,
.nav__links a[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-accent-bg);
}

.nav__cta { display: none; }

.nav__toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.nav__toggle:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Mobile menu */
.nav__mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.25rem 1.5rem;
  box-shadow: var(--shadow-md);
}

.nav__mobile-menu.is-open { display: block; }

.nav__mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.nav__mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
}

.nav__mobile-menu a:hover,
.nav__mobile-menu a[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-accent-bg);
}

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

/* ============ HERO ============ */
.hero {
  background: linear-gradient(135deg, #6B1313 0%, #8B1A1A 50%, #A82020 100%);
  color: var(--color-white);
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232, 160, 154, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-white);
  padding: 0.375rem 0.875rem;
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  width: fit-content;
}

.hero__title {
  font-size: clamp(2rem, 6vw, 3.25rem);
  color: var(--color-white);
  font-weight: 700;
  line-height: 1.15;
  max-width: 14ch;
}

.hero__title span {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: 1.0625rem;
  opacity: 0.9;
  max-width: 42ch;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  opacity: 0.9;
}

.hero__trust-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ============ SERVICES GRID ============ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2.5rem;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: inherit;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--color-primary);
}

.service-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============ WHY US ============ */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.why-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.why-item__icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
}

.why-item__title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  color: var(--color-primary);
  margin-bottom: 0.375rem;
}

.why-item__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============ CTA BANNER ============ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-white);
  padding: 3.5rem 0;
  text-align: center;
}

.cta-banner__title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.cta-banner__text {
  font-size: 1.0625rem;
  opacity: 0.9;
  margin-bottom: 1.75rem;
  max-width: 46ch;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.875rem;
}

/* ============ LOCATION ============ */
.location-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
}

.location-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.location-row {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}

.location-row__icon {
  width: 36px;
  height: 36px;
  background: var(--color-accent-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.location-row__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.location-row__value {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.5;
}

.map-placeholder {
  width: 100%;
  min-height: 280px;
  background: var(--color-section-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.map-placeholder iframe {
  width: 100%;
  height: 100%;
  min-height: 280px;
  border: none;
}

/* ============ ABOUT / TEAM ============ */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.team-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.team-card:hover { box-shadow: var(--shadow-md); }

.team-card__img-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--color-section-alt);
  overflow: hidden;
}

.team-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card__img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--color-primary);
  opacity: 0.5;
  font-size: 0.8125rem;
}

.team-card__body {
  padding: 1.25rem;
}

.team-card__name {
  font-family: var(--font-heading);
  font-size: 1.1875rem;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.team-card__role {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.team-card__bio {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2.5rem;
}

.value-card {
  display: flex;
  gap: 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.value-card__icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.value-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.value-card__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============ CONTACT FORM ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

.form-whatsapp {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-label span {
  color: var(--color-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 26, 26, 0.1);
}

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

.form-privacy {
  background: var(--color-section-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.875rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.form-privacy strong {
  color: var(--color-text);
}

/* ============ FOOTER ============ */
.site-footer {
  background: #1A0808;
  color: rgba(255, 255, 255, 0.85);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  margin-bottom: 0.875rem;
}

.footer-brand__logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: brightness(1.1);
}

.footer-brand__name {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--color-white);
  font-weight: 700;
}

.footer-brand__tagline {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  max-width: 30ch;
}

.footer-col__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

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

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-list svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1.5rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom a:hover { color: var(--color-accent); }

/* ============ WHATSAPP FLOATING ============ */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  background: #25D366;
  color: var(--color-white);
  border-radius: 100px;
  padding: 0.875rem 1.25rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: all var(--transition);
}

.whatsapp-float:hover {
  background: #1ebe5b;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float__label { display: none; }

/* ============ PAGE HERO (inner pages) ============ */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-white);
  padding: 3rem 0;
}

.page-hero__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 0.5rem;
}

.page-hero__title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  color: var(--color-white);
  margin-bottom: 0.625rem;
}

.page-hero__subtitle {
  font-size: 1.0625rem;
  opacity: 0.88;
  max-width: 44ch;
  line-height: 1.65;
}

/* ============ BREADCRUMB ============ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 0.875rem;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.65);
}

.breadcrumb a:hover { color: var(--color-white); }

.breadcrumb span { opacity: 0.45; }

/* ============ STATS ============ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.stat-item__number {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.375rem;
}

.stat-item__label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ============ PROSE (about page) ============ */
.prose h2 {
  font-size: 1.5rem;
  margin: 2rem 0 0.875rem;
}

.prose p {
  font-size: 0.9875rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

/* ============ TABLET (768px+) ============ */
@media (min-width: 768px) {
  .nav__links { display: flex; }
  .nav__cta { display: inline-flex; }
  .nav__toggle { display: none; }

  .hero { padding: 5.5rem 0 4.5rem; }
  .hero__inner { flex-direction: row; align-items: center; gap: 3rem; }
  .hero__content { flex: 1; }
  .hero__visual { flex: 0 0 300px; display: flex; justify-content: flex-end; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }

  .why-grid { grid-template-columns: repeat(2, 1fr); }

  .team-grid { grid-template-columns: repeat(2, 1fr); }

  .values-grid { grid-template-columns: repeat(2, 1fr); }

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

  .location-grid { grid-template-columns: 1fr 1fr; align-items: start; }

  .stats-row { grid-template-columns: repeat(4, 1fr); }

  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }

  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }

  .whatsapp-float__label { display: block; }
}

/* ============ DESKTOP (1024px+) ============ */
@media (min-width: 1024px) {
  .section { padding: 5rem 0; }

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

  .team-grid { grid-template-columns: repeat(3, 1fr); }

  .footer-grid { grid-template-columns: 2.5fr 1fr 1fr 1.5fr; }
}

/* ============ UTILITY ============ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }