/* ============================================
   SECTION PAGES — Blank Shells for Now
   ============================================ */

/* --- Page Overlay Container --- */
#page-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-page);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--duration-slow) var(--ease-smooth),
              visibility var(--duration-slow);
  will-change: opacity;
}

#page-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* --- Page Background --- */
#page-backdrop {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    rgba(42, 26, 10, 0.95) 0%,
    rgba(13, 8, 0, 0.98) 100%
  );
  /* backdrop-filter removed — extremely expensive compositor operation */
}

/* --- Page Content Area --- */
#page-content {
  position: relative;
  z-index: 2;
  width: min(900px, 90vw);
  max-height: 85vh;
  overflow-y: auto;
  background: linear-gradient(
    160deg,
    var(--parchment-light) 0%,
    var(--parchment) 40%,
    var(--parchment-dark) 100%
  );
  border: 2px solid var(--gold);
  border-radius: var(--radius-lg);
  box-shadow:
    0 0 40px rgba(201, 168, 76, 0.2),
    0 20px 60px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  padding: var(--space-3xl) var(--space-2xl);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--duration-cinematic) var(--ease-cinematic);
  will-change: transform;
}

#page-overlay.active #page-content {
  transform: scale(1) translateY(0);
}

/* Inner ornamental border */
#page-content::before {
  content: '';
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(201, 168, 76, 0.25);
  border-radius: calc(var(--radius-lg) - 4px);
  pointer-events: none;
}

/* --- Page Header --- */
.page-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(201, 168, 76, 0.3);
  position: relative;
}

.page-header::after {
  content: '⚜';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.2rem;
  color: var(--gold);
  background: var(--parchment);
  padding: 0 12px;
}

.page-title {
  font-family: var(--font-accent);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--ink-dark);
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.page-subtitle {
  font-family: var(--font-body);
  font-size: clamp(0.85rem, 2vw, 1rem);
  color: var(--ink-medium);
  font-style: italic;
}

/* --- Blank Page Placeholder --- */
.page-placeholder {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  color: var(--ink-medium);
  font-style: italic;
  font-size: 1.1rem;
}

.page-placeholder-icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
  opacity: 0.4;
  display: block;
}

/* --- Back to Map Button --- */
#back-to-map {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  font-family: var(--font-heading);
  font-size: clamp(0.8rem, 1.5vw, 0.95rem);
  color: var(--parchment);
  background: linear-gradient(135deg, rgba(42, 26, 10, 0.9), rgba(58, 42, 26, 0.9));
  border: 1px solid var(--gold);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4), 0 0 12px rgba(201, 168, 76, 0.15);
  /* backdrop-filter removed — expensive compositor operation */
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translate3d(-20px, 0, 0);
  /* Only transition GPU-composited properties */
  transition: transform var(--duration-normal) var(--ease-smooth),
              opacity var(--duration-normal) var(--ease-smooth),
              visibility var(--duration-normal);
  will-change: transform, opacity;
  letter-spacing: 0.05em;
}

#back-to-map.visible {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0);
}

#back-to-map:hover {
  background: linear-gradient(135deg, rgba(58, 42, 26, 0.95), rgba(74, 58, 42, 0.95));
  transform: translate3d(-2px, 0, 0);
}

#back-to-map:active {
  transform: translate3d(0, 0, 0) scale(0.97);
}

.back-icon {
  font-size: 1.1em;
  transition: transform var(--duration-fast) var(--ease-smooth);
}

#back-to-map:hover .back-icon {
  transform: translate3d(-3px, 0, 0);
}

/* --- Contact Page Styles --- */
.contact-section {
  max-width: 600px;
  margin: 0 auto;
}

.contact-links {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-2xl);
}

.contact-links li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px dashed rgba(201, 168, 76, 0.3);
}

.contact-label {
  font-family: var(--font-heading);
  color: var(--ink-medium);
  font-size: 1.1rem;
}

.contact-value {
  font-family: var(--font-body);
  color: var(--ink-dark);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
}

a.contact-value:hover {
  color: var(--ink-medium);
  text-decoration: underline;
}

.contact-form-container {
  background: linear-gradient(145deg, rgba(244, 228, 193, 0.5) 0%, rgba(212, 196, 161, 0.3) 100%);
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

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

.contact-input,
.contact-textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(201, 168, 76, 0.4);
  border-radius: var(--radius-sm);
  color: var(--ink-dark);
  transition: border-color var(--duration-fast), background var(--duration-fast);
}

.contact-input:focus,
.contact-textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.8);
  border-color: var(--gold);
}

.contact-textarea {
  resize: vertical;
  min-height: 100px;
}

/* --- Experience Page Styles --- */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.experience-card {
  background: linear-gradient(145deg, rgba(244, 228, 193, 0.7) 0%, rgba(212, 196, 161, 0.5) 100%);
  border: 1px solid rgba(201, 168, 76, 0.4);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: transform var(--duration-fast), box-shadow var(--duration-fast);
}

.experience-card:hover {
  /* Transform handled by VanillaTilt */
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2), 0 0 15px rgba(201, 168, 76, 0.15);
}

.experience-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px dashed rgba(201, 168, 76, 0.3);
}

.experience-icon {
  font-size: 2.5rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.experience-title-group {
  display: flex;
  flex-direction: column;
}

.experience-title {
  font-family: var(--font-heading);
  color: var(--ink-dark);
  font-size: 1.4rem;
  margin-bottom: var(--space-xs);
}

.experience-company {
  font-family: var(--font-body);
  color: var(--ink-medium);
  font-size: 1.1rem;
  font-style: italic;
}

.experience-body p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-brown);
  margin-bottom: var(--space-md);
}

.experience-footer {
  margin-top: var(--space-lg);
}

.experience-footer .cert-btn {
  width: auto;
  padding: 8px 16px;
}

/* --- Certificates Page Styles --- */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-md) 0;
}

.certificate-card {
  background: linear-gradient(145deg, rgba(244, 228, 193, 0.7) 0%, rgba(212, 196, 161, 0.5) 100%);
  border: 1px solid rgba(201, 168, 76, 0.4);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  transition: transform var(--duration-fast), box-shadow var(--duration-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.certificate-card:hover {
  /* Transform handled by VanillaTilt */
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 15px rgba(201, 168, 76, 0.2);
}

.cert-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.cert-name {
  font-family: var(--font-heading);
  color: var(--ink-dark);
  font-size: 1.2rem;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.cert-btn {
  margin-top: var(--space-sm);
  width: 80%;
  justify-content: center;
  font-size: 0.9rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  #page-content {
    padding: var(--space-2xl) var(--space-lg);
    max-height: 90vh;
    border-radius: var(--radius-md);
  }

  #back-to-map {
    top: 12px;
    left: 12px;
    padding: 8px 14px;
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  #page-content {
    width: 95vw;
    padding: var(--space-xl) var(--space-md);
    max-height: 92vh;
  }
}