/* ==========================================================================
   SECTIONS - AUREA DENTAL STUDIO (Production Polish & Frame Tightness)
   ========================================================================== */

/* Common Section Layout */
.section {
  position: relative;
  padding: var(--space-2xl) 0;
  scroll-margin-top: calc(var(--header-height) + 1.5rem);
}

.section--sm {
  padding: var(--space-xl) 0;
}

.section--dark {
  background-color: var(--bg-dark);
  color: var(--text-white);
}

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

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

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

/* --------------------------------------------------------------------------
   01. HERO SECTION (Asymmetric Robust Grid)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding-top: calc(var(--header-height) + var(--space-lg));
  padding-bottom: var(--space-xl);
  background-color: var(--bg-primary);
  scroll-margin-top: var(--header-height);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 11fr) minmax(0, 14fr);
  align-items: center;
  gap: clamp(2rem, 4vw, 4.5rem);
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-headline {
  margin-bottom: 1.5rem;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  max-width: 480px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
  max-width: 480px;
}

.hero-trust-item {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-subtle);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-trust-item::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent-olive);
  flex-shrink: 0;
}

.hero-media {
  position: relative;
  width: 100%;
}

.hero-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3.4;
  overflow: hidden;
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-elevated);
  line-height: 0;
  font-size: 0;
}

.hero-image-wrap picture,
.hero-image-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  margin: 0;
  padding: 0;
  border: 0;
  transition: transform var(--transition-slow);
}

.hero-media:hover .hero-image-wrap img {
  transform: scale(1.02);
}

.hero-image-caption {
  position: absolute;
  bottom: -1.75rem;
  right: 0;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-light);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   02. PHILOSOPHY SECTION (Typographic Statement + Robust Pillars)
   -------------------------------------------------------------------------- */
.philosophy-section {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-secondary);
}

.philosophy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.philosophy-statement {
  max-width: 1100px;
}

.philosophy-statement h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3.6rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.philosophy-statement h2 em {
  font-style: italic;
  color: var(--accent-olive);
}

.philosophy-pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 3.5vw, 3.5rem);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

.pillar-item {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.pillar-num {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent-olive);
}

.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.25;
  color: var(--text-main);
}

.pillar-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   03. TREATMENTS SECTION (Editorial Header + Service Index)
   -------------------------------------------------------------------------- */
.treatments-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: flex-end;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.treatments-intro-text {
  max-width: 520px;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   04. FEATURED TREATMENT: DIGITAL SMILE DESIGN (Split Interactive)
   -------------------------------------------------------------------------- */
.feature-section {
  background-color: var(--bg-dark);
  color: var(--text-white);
}

.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(2.5rem, 5vw, 5.5rem);
}

.feature-media {
  position: relative;
  width: 100%;
}

.feature-image-container {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3.2;
  border-radius: var(--radius-xs);
  overflow: hidden;
  border: 1px solid var(--border-dark);
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.5);
  background-color: var(--bg-dark-surface);
  line-height: 0;
  font-size: 0;
}

.feature-image-container picture,
.feature-image-container img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  margin: 0;
  padding: 0;
  border: 0;
}

.feature-content {
  display: flex;
  flex-direction: column;
}

.feature-headline {
  margin-bottom: 1.25rem;
  color: var(--text-white);
}

.feature-lead {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-white-muted);
  margin-bottom: 2.5rem;
}

.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin-bottom: 2.75rem;
}

.workflow-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: flex-start;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-dark);
}

.workflow-step:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.step-num {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  padding-top: 2px;
}

.step-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-white);
  margin-bottom: 0.35rem;
}

.step-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-white-muted);
}

/* --------------------------------------------------------------------------
   05. BEFORE / AFTER COMPARISON SECTION
   -------------------------------------------------------------------------- */
.before-after-section {
  background-color: var(--bg-primary);
}

.section-intro-centered {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-xl) auto;
}

.section-intro-centered .heading-section {
  margin-bottom: 1rem;
}

.section-intro-centered .text-lead {
  font-size: 1.0625rem;
}

/* --------------------------------------------------------------------------
   06. LEAD DOCTOR: DRA. ELENA MARÍN
   -------------------------------------------------------------------------- */
.doctor-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.doctor-grid {
  display: grid;
  grid-template-columns: minmax(0, 11fr) minmax(0, 14fr);
  align-items: center;
  gap: clamp(2.5rem, 5vw, 5.5rem);
}

.doctor-media {
  position: relative;
  width: 100%;
}

.doctor-portrait-wrap {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-elevated);
  line-height: 0;
  font-size: 0;
}

.doctor-portrait-wrap picture,
.doctor-portrait-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  margin: 0;
  padding: 0;
  border: 0;
  transition: transform var(--transition-slow);
}

.doctor-media:hover .doctor-portrait-wrap img {
  transform: scale(1.02);
}

.doctor-content {
  display: flex;
  flex-direction: column;
}

.doctor-name {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.doctor-role {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-olive);
  margin-bottom: 2rem;
}

.doctor-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 1.8vw, 1.6rem);
  font-style: italic;
  line-height: 1.45;
  color: var(--text-main);
  margin-bottom: 1.75rem;
  padding-left: 1.5rem;
  border-left: 2px solid var(--accent-olive);
}

.doctor-bio {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.doctor-credentials-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-subtle);
}

.credential-item h4 {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.credential-item p {
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   07. CLINIC ARCHITECTURE GALLERY (Asymmetric Editorial Grid, 100% Fill)
   -------------------------------------------------------------------------- */
.clinic-section {
  background-color: var(--bg-primary);
}

.clinic-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: flex-end;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.clinic-gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-secondary);
  line-height: 0;
  font-size: 0;
}

.gallery-item picture {
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  margin: 0;
  padding: 0;
  border: 0;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.03);
}

/* Asymmetric 12-Column Spans */
.gallery-item-1 {
  grid-column: span 7;
  aspect-ratio: 16 / 10;
}

.gallery-item-2 {
  grid-column: span 5;
  aspect-ratio: 1 / 1;
}

.gallery-item-3 {
  grid-column: span 5;
  aspect-ratio: 4 / 3;
}

.gallery-item-4 {
  grid-column: span 7;
  aspect-ratio: 16 / 10;
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1rem 1.25rem;
  background: linear-gradient(to top, rgba(22, 22, 20, 0.75), transparent);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition-fast);
  line-height: 1.4;
}

.gallery-item:hover .gallery-caption {
  opacity: 1;
  transform: translateY(0);
}

/* Touch screen always visible captions */
@media (hover: none) {
  .gallery-caption {
    opacity: 1;
    transform: translateY(0);
    background: linear-gradient(to top, rgba(22, 22, 20, 0.82) 0%, rgba(22, 22, 20, 0.4) 60%, transparent 100%);
  }
}

/* --------------------------------------------------------------------------
   08. TESTIMONIALS (Asymmetrical Editorial Composition)
   -------------------------------------------------------------------------- */
.testimonials-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.testimonials-editorial-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: stretch;
}

.testimonial-featured {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(2rem, 3.5vw, 3.25rem);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-subtle);
}

.testimonial-featured .testimonial-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-style: italic;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 2.25rem;
}

.testimonials-secondary-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: space-between;
}

.testimonial-secondary-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.5rem, 2.2vw, 2rem);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  flex-grow: 1;
}

.testimonial-secondary-item .testimonial-quote {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.45;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.author-name {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-main);
}

.author-treatment {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--accent-olive);
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   09. APPOINTMENT BOOKING SECTION (Conversion & Contact)
   -------------------------------------------------------------------------- */
.appointment-section {
  background-color: var(--bg-primary);
}

.appointment-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: flex-start;
}

.appointment-info {
  display: flex;
  flex-direction: column;
}

.appointment-info .heading-section {
  margin-bottom: 1.25rem;
}

.appointment-info .text-lead {
  margin-bottom: 2.5rem;
}

.contact-meta-list {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.contact-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.contact-meta-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.contact-meta-val {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
  line-height: 1.5;
}

.contact-meta-val a:hover {
  color: var(--accent-olive);
}

/* --------------------------------------------------------------------------
   10. FOOTER (Minimal Architectural Finish)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-white);
  padding: var(--space-xl) 0 var(--space-lg) 0;
  border-top: 1px solid var(--border-dark);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 3.5vw, 3.5rem);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-dark);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo-main {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  letter-spacing: 0.06em;
  color: var(--text-white);
}

.footer-logo-sub {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.footer-brand-desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-white-muted);
  max-width: 320px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-col-title {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-white-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-white);
}

.footer-bottom {
  padding-top: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.8125rem;
  color: var(--text-white-muted);
}

.footer-legal-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: var(--text-white-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.footer-legal-links a:hover {
  color: var(--text-white);
}