/* Laboratorio Clínico Celada — Design System */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-primary: #00bbcb;
  --color-primary-dark: #009aaa;
  --color-accent: #056f00;
  --color-dark: #00393e;
  --color-dark-soft: #0a4f54;
  --color-text: #1a2b2e;
  --color-text-muted: #5a6b6e;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f8f9;
  --color-border: #e2e8eb;
  --color-cta-blue: #0a79ce;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 57, 62, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 57, 62, 0.1);
  --shadow-lg: 0 16px 40px rgba(0, 57, 62, 0.12);
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --header-height: 72px;
  --container-max: 1140px;
  --transition: 0.2s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary);
}

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

.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;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  text-decoration: none;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.8);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.btn--secondary {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.btn--cta {
  background: var(--color-dark);
  color: #fff;
  border-color: var(--color-dark);
  padding: 0.6rem 1.1rem;
  font-size: 0.9rem;
  white-space: nowrap;
}

.btn--cta:hover {
  background: var(--color-dark-soft);
  color: #fff;
}

.btn--lg {
  padding: 0.9rem 1.75rem;
  font-size: 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header--scrolled {
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  min-height: var(--header-height);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-dark);
  flex-shrink: 0;
}

.site-header__logo {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
}

.site-header__name {
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.2;
  max-width: 140px;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  display: block;
  padding: 0.5rem 0.85rem;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-primary-dark);
  background: rgba(0, 187, 203, 0.1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle:hover {
  background: var(--color-bg-alt);
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: max(520px, 65vh);
  display: flex;
  align-items: center;
  background: var(--color-dark) url('../img/bg-a.jpg') center / cover no-repeat;
  color: #fff;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 57, 62, 0.88) 0%, rgba(0, 187, 203, 0.45) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-block: 5rem;
  padding-inline: var(--space-md);
  max-width: 720px;
}

.hero--compact {
  min-height: 220px;
}

.hero--compact .hero__content {
  padding-block: var(--space-lg);
  padding-inline: var(--space-md);
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.15);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: var(--space-sm);
}

.hero__title {
  margin: 0 0 var(--space-sm);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.hero:not(.hero--compact) .hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
}

.hero__subtitle {
  margin: 0 0 var(--space-md);
  font-size: 1.1rem;
  opacity: 0.92;
  line-height: 1.5;
}

.hero:not(.hero--compact) .hero__subtitle {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero__actions .btn {
  padding: 0.7rem 1.25rem;
  font-size: 0.9rem;
}

/* Sections */
.section {
  padding: var(--space-xl) 0;
}

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

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-lg);
}

.section__label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.section__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-dark);
}

.section__divider {
  width: 60px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 2px;
  margin: var(--space-sm) auto 0;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.about-content p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
  text-align: justify;
}

.badge-years {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  margin-bottom: var(--space-md);
}

.preventivo-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.preventivo-card h3 {
  margin: 0 0 var(--space-sm);
  font-size: 1.05rem;
  color: var(--color-dark);
}

.preventivo-card ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

.preventivo-card li {
  margin-bottom: 0.5rem;
}

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-card--featured {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, #f0fbfc 0%, #fff 100%);
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  align-items: start;
}

.service-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.2rem;
}

.service-card__title {
  display: block;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
}

.service-card__desc {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Info section */
.section--info {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.info-card {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  backdrop-filter: blur(4px);
}

.info-card__icon {
  font-size: 2.25rem;
  margin-bottom: var(--space-sm);
  opacity: 0.95;
}

.info-card__title {
  display: block;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.info-card__line {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.payment-icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: var(--space-sm);
}

.payment-icons img {
  width: 48px;
  background: #fff;
  border-radius: 6px;
  padding: 4px;
}

/* CTA Banner COVID */
.cta-banner {
  background: linear-gradient(90deg, var(--color-cta-blue) 0%, #0868b8 100%);
  color: #fff;
  padding: var(--space-md) 0;
}

.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  text-align: center;
}

.cta-banner__icon {
  font-size: 1.5rem;
  opacity: 0.9;
}

.cta-banner__text {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

/* Contact page */
.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-lg);
  align-items: start;
}

.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.form-field {
  margin-bottom: var(--space-md);
}

.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--color-dark);
}

.form-field label .required {
  color: #c0392b;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 187, 203, 0.2);
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.sidebar-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.sidebar-card h3 {
  margin: 0 0 var(--space-sm);
  font-size: 1.1rem;
  color: var(--color-dark);
}

.sidebar-card__item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.sidebar-card__item i {
  color: var(--color-primary);
  margin-top: 3px;
  min-width: 18px;
}

.sidebar-card__item a {
  color: var(--color-primary-dark);
}

.sidebar-social {
  display: flex;
  gap: 0.75rem;
  margin-top: var(--space-sm);
}

.sidebar-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-dark);
  font-size: 1.2rem;
}

.sidebar-social a:hover {
  background: var(--color-primary);
  color: #fff;
}

/* Thanks page */
.thanks-box {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.thanks-box__icon {
  font-size: 3.5rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.thanks-box h2 {
  margin: 0 0 var(--space-sm);
  color: var(--color-dark);
}

.thanks-box p {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
}

/* Footer */
.site-footer {
  background: var(--color-dark);
  color: #fff;
  padding-top: var(--space-xl);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 0.8fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.site-footer__brand img {
  width: 100px;
  border-radius: 50%;
  margin-bottom: var(--space-sm);
}

.site-footer__brand-name {
  font-weight: 700;
  font-size: 1rem;
  margin: 0;
}

.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.site-footer__contact-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.95rem;
  line-height: 1.5;
}

.site-footer__contact-item i {
  color: var(--color-primary);
  margin-top: 3px;
}

.site-footer__contact-item a {
  color: #fff;
}

.site-footer__contact-item a:hover {
  color: var(--color-primary);
}

.site-footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.site-footer__social img {
  height: 36px;
  width: auto;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 1.35rem;
  transition: background var(--transition), transform var(--transition);
}

.social-btn:hover {
  background: var(--color-primary);
  color: #fff;
  transform: scale(1.05);
}

.social-btn.instagram:hover {
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.site-footer__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: var(--space-md) var(--space-sm);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
}

.site-footer__legal a {
  color: #fff;
  display: inline-flex;
  align-items: center;
  transition: opacity var(--transition);
}

.site-footer__legal a:hover {
  opacity: 0.88;
}

.footer-legal-logo {
  display: block;
  height: 48px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
}

.footer-legal-logo--superpages {
  height: 38px;
  max-width: 220px;
}

@media (max-width: 600px) {
  .site-footer__legal {
    gap: 1.5rem;
    padding: var(--space-md) var(--space-sm);
  }

  .footer-legal-logo {
    height: 40px;
    max-width: 220px;
  }

  .footer-legal-logo--superpages {
    height: 32px;
    max-width: 180px;
  }
}

/* Responsive */
@media (max-width: 992px) {
  .site-header__name {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: var(--space-sm);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav a {
    padding: 0.85rem 1rem;
  }

  .btn--cta {
    display: none;
  }

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

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

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

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

  .site-footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .site-footer__contact-item {
    justify-content: center;
  }

  .site-footer__social {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .hero:not(.hero--compact) {
    min-height: max(480px, 55vh);
  }

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