/* ==========================================================================
   LAYOUT
   Estructura visual de cada sección de la página (header, hero, grillas, footer).
   ========================================================================== */

/* --- Header --- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

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

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-heading);
}

.brand__icon {
  color: var(--color-accent);
  width: 30px;
  height: 30px;
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.main-nav__list a:not(.btn) {
  font-weight: 500;
  color: var(--color-list-text);
  transition: color var(--transition-base);
}

.main-nav__list a:not(.btn):hover {
  color: var(--color-accent-dark);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.4rem;
  color: var(--color-heading);
}

.nav-toggle svg {
  width: 28px;
  height: 28px;
}

/* --- Hero --- */

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: var(--space-xl);
  padding-block: var(--space-2xl);
}

.hero__content h1 {
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: 1.1rem;
  max-width: 46ch;
  margin-bottom: var(--space-lg);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.hero__checklist {
  margin-top: var(--space-sm);
}

.hero__media {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero__media-frame {
  position: relative;
  width: min(360px, 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-accent-tint);
  box-shadow: var(--shadow-md);
}

.hero__media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 5;
}

.hero__badge {
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
}

/* --- Experiencia del veterinario --- */

.experience-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: var(--space-xl);
}

.experience-section__text p {
  color: var(--color-body-text);
}

.experience-section__stat {
  display: flex;
  justify-content: center;
}

/* --- Grillas genéricas de 3 columnas (beneficios, preparación) --- */

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

/* --- Cómo funciona: pasos numerados --- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: var(--space-lg);
}

.step__number {
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.5rem;
  color: var(--color-accent-tint);
  -webkit-text-stroke: 1px var(--color-accent);
}

.step h3 {
  margin-top: var(--space-md);
}

.callout {
  margin-top: var(--space-xl);
  background-color: var(--color-accent-tint);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-list-text);
}

.callout .icon-badge {
  background-color: var(--color-bg);
}

/* --- Opiniones de Google --- */

.reviews-badge-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.reviews-footer {
  text-align: center;
  margin-top: var(--space-lg);
}

/* --- FAQ --- */

.faq-list {
  max-width: 780px;
  margin-inline: auto;
}

/* --- CTA final: presupuesto directo por WhatsApp --- */

.cta-section {
  background-color: var(--color-heading);
  color: #F5F7F8;
  border-radius: var(--radius-lg);
  margin-inline: var(--space-md);
  padding: var(--space-2xl) var(--space-lg);
}

.cta-section--centered .container {
  max-width: 620px;
  text-align: center;
}

.cta-section--centered .checklist--centered {
  margin-inline: auto;
  align-items: center;
  text-align: left;
}

.cta-section--centered .btn {
  margin-top: var(--space-md);
}

.cta-section h2 {
  color: #FFFFFF;
}

.cta-section__intro p {
  color: #C7CDCF;
}

.cta-section .checklist li {
  color: #E8ECED;
}

/* --- Footer --- */

.site-footer {
  padding-block: var(--space-xl) var(--space-lg);
  color: var(--color-body-text);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.footer-grid h4 {
  color: var(--color-heading);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.footer-brand .brand {
  margin-bottom: var(--space-sm);
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  transition: color var(--transition-base);
}

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

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

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--color-surface);
  color: var(--color-accent-dark);
  transition: background-color var(--transition-base);
}

.footer-social a:hover {
  background-color: var(--color-accent-tint);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  padding-top: var(--space-md);
  font-size: var(--fs-small);
  text-align: center;
}