/* ==========================================================================
   THE MOUNTAIN SANCTUARY — DESIGN TOKENS & SYSTEM
   ========================================================================== */

:root {
  /* Fonts */
  --font-display: "Montserrat", sans-serif;
  --font-sans: "Inter", sans-serif;

  /* Colors (Serene Natural Palette) */
  --color-primary: #4a7c7a;
  --color-primary-dark: #3b6b68;
  --color-bg-base: #f4f7f6;
  --color-surface-glass: rgba(255, 255, 255, 0.45);
  --color-border-glass: rgba(255, 255, 255, 0.3);
  --color-text-dark: #2c3539;
  --color-text-muted: #5e6b70;
  --color-border-subtle: rgba(74, 124, 122, 0.15);

  /* Geometry & Rounding */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Spacing */
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 32px;

  /* Transition curves */
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   BASE & RESET
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-text-dark);
  font-weight: 600;
  line-height: 1.15;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ==========================================================================
   TYPOGRAPHY SCALES
   ========================================================================== */

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
  display: inline-block;
}

.hero-title {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

html[lang="ru"] .hero-title {
  font-size: clamp(1.85rem, 4.5vw, 3.25rem);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-text-muted);
  max-width: 50ch;
  margin-bottom: 32px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.6;
}

/* ==========================================================================
   LAYOUT CONTAINERS
   ========================================================================== */

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.border-top {
  border-top: 1px solid var(--color-border-subtle);
}

/* ==========================================================================
   FIXED BREATHING BACKGROUND
   ========================================================================== */

.fixed-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -10;
  pointer-events: none;
  overflow: hidden;
  background-color: var(--color-bg-base);
}

.bg-track {
  display: flex;
  width: 200vw;
  height: 100%;
}

.bg-image {
  width: 100vw;
  height: 100%;
  object-fit: cover;
  opacity: 0.20;
  user-select: none;
  flex-shrink: 0;
}

.bg-image.mirrored {
  transform: scaleX(-1);
}

@media (prefers-reduced-motion: no-preference) {
  .bg-track {
    animation: infinite-drift 120s linear infinite;
  }
}

@keyframes infinite-drift {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ==========================================================================
   CUSTOM CAPSULE NAVIGATION DOCK (Awwwards Style)
   ========================================================================== */

.nav-dock {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 760px;
  height: 56px;
  padding: 0 8px 0 20px;
  background-color: var(--color-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-full);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: height var(--transition-smooth), border-radius var(--transition-smooth), background-color var(--transition-smooth);
}

.nav-dock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-toggle {
  display: none;
}

.nav-dock-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  height: 100%;
  margin-left: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-dark);
  white-space: nowrap;
}

.nav-logo i {
  color: var(--color-primary);
  font-size: 1.15rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

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

.nav-cta {
  height: 40px;
  padding: 0 16px;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
}

.nav-cta:hover {
  background-color: var(--color-primary-dark);
}

.nav-cta:active {
  transform: scale(0.97);
}

/* Mobile Nav Dock Adaptations */
@media (max-width: 640px) {
  .nav-dock {
    flex-direction: column;
    align-items: stretch;
    height: 56px; /* Collapsed height */
    padding: 0 16px;
    border-radius: 28px; /* Capsule shape at rest */
  }
  
  .nav-dock.menu-open {
    height: 290px; /* Expanded height to fit all links */
    border-radius: var(--radius-lg); /* Matches 16px card ceiling */
    background-color: rgba(255, 255, 255, 0.92); /* Darker overlay for readability */
  }
  
  .nav-dock-header {
    height: 56px;
    width: 100%;
    flex-shrink: 0;
  }
  
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-text-dark);
    font-size: 1.35rem;
    cursor: pointer;
    height: 40px;
    width: 40px;
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
  }
  
  .nav-toggle:hover {
    background-color: rgba(74, 124, 122, 0.08);
  }
  
  .nav-dock.menu-open .nav-toggle {
    transform: rotate(90deg);
  }
  
  .nav-dock-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 20px;
    margin-left: 0;
    height: auto;
    padding: 12px 0 20px 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
  }
  
  .nav-dock.menu-open .nav-dock-content {
    opacity: 1;
    pointer-events: auto;
  }
  
  .nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    width: 100%;
  }
  
  .nav-links a {
    font-size: 0.9rem;
    font-weight: 600;
  }
  
  .nav-cta {
    width: 100%;
    max-width: 240px;
  }
}

/* ==========================================================================
   SECTION 1: HERO
   ========================================================================== */

.hero-section {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 60px;
}


.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  width: 100%;
  padding: 0;
  position: relative;
  z-index: 1;
}

.hero-content {
  text-align: left;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Primary Button */
.btn-primary {
  height: 48px;
  padding: 0 28px;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

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

.btn-primary:active {
  transform: scale(0.98);
}

/* Secondary Button */
.btn-secondary {
  height: 48px;
  padding: 0 24px;
  background-color: transparent;
  color: var(--color-text-dark);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.3);
  border-color: rgba(74, 124, 122, 0.3);
}

.btn-secondary:active {
  transform: scale(0.98);
}

/* Hero Portrait Frame */
.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.portrait-frame {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 3.8/4.8;
}

.frame-shadow-1 {
  position: absolute;
  inset: 0;
  background-color: rgba(74, 124, 122, 0.04);
  border-radius: var(--radius-lg);
  transform: rotate(2deg) scale(0.99);
}

.frame-shadow-2 {
  position: absolute;
  inset: 0;
  background-color: rgba(59, 107, 104, 0.04);
  border-radius: var(--radius-lg);
  transform: rotate(-1deg) scale(0.995);
}

.portrait-container {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 4px solid #fff;
  background-color: #fff;
}

.portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform var(--transition-smooth);
}

.portrait-container:hover .portrait-img {
  transform: scale(1.02);
}

/* Mobile Hero Adaptations */
@media (max-width: 960px) {
  .hero-section {
    padding-top: 110px;
    padding-bottom: 40px;
    margin-top: 20px;
  }

  .hero-title {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 0;
  }
  
  .hero-visual {
    justify-content: center;
    order: -1; /* Image first on tablet/mobile */
  }
  
  .portrait-frame {
    max-width: 280px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-primary, .btn-secondary {
    justify-content: center;
  }
}

/* ==========================================================================
   SECTION 2: WHY THERAPY (Asymmetric Layout)
   ========================================================================== */

.why-section {
  padding: 80px 0;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
}

.why-left {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
}

.why-left-image-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-glass);
}

.why-visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.why-left-image-frame:hover .why-visual-img {
  transform: scale(1.02);
}

/* Stacked Editorial Blocks */
.why-right {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.editorial-block {
  display: flex;
  gap: 24px;
}

.block-icon-wrapper {
  padding: 12px;
  background-color: var(--color-surface-glass);
  border: 1px solid var(--color-border-glass);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  height: 48px;
  width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.block-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.block-title {
  font-size: 1.15rem;
  font-weight: 600;
}

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

@media (max-width: 960px) {
  .why-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .why-left-image-frame {
    display: none; /* Hide secondary landscape visual on mobile to keep page tight */
  }
}

/* ==========================================================================
   SECTION 3: HOW I HELP (Philosophy & Layout)
   ========================================================================== */

.help-section {
  padding: 80px 0;
}

.help-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: center;
}

.help-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.help-text {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Detail Containers - Flat at Rest */
.help-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 16px;
}

.detail-container {
  padding: 24px;
  background-color: var(--color-surface-glass);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast);
}

.detail-container:hover {
  border-color: rgba(74, 124, 122, 0.35);
}

.detail-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.detail-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Secondary Portrait Frame */
.help-visual {
  display: flex;
  justify-content: center;
}

.help-frame {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1280/906;
}

.help-frame-bg-1 {
  position: absolute;
  inset: 0;
  background-color: rgba(74, 124, 122, 0.03);
  border-radius: var(--radius-lg);
  transform: rotate(-2deg) scale(0.99);
}

.help-frame-bg-2 {
  position: absolute;
  inset: 0;
  background-color: var(--color-surface-glass);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-glass);
  transform: rotate(1deg) scale(0.995);
}

.help-img-container {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-glass);
}

.help-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

@media (max-width: 960px) {
  .help-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .help-visual {
    justify-content: center;
  }
  .help-frame {
    max-width: 360px;
  }
}

@media (max-width: 640px) {
  .help-details-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   SECTION 4: CREDENTIALS GALLERY
   ========================================================================== */

.credentials-section {
  padding: 80px 0;
}

.section-intro {
  max-width: 640px;
  margin-bottom: 48px;
}

.credentials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.credential-card {
  background-color: var(--color-surface-glass);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  cursor: pointer;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.credential-card:hover {
  border-color: rgba(74, 124, 122, 0.35);
  transform: translateY(-4px);
}

.card-image-wrapper {
  position: relative;
  aspect-ratio: 4/3;
  background-color: rgba(255, 255, 255, 0.3);
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-b: 1px solid rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

.card-img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: transform var(--transition-smooth);
}

.credential-card:hover .card-img {
  transform: scale(1.02);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(74, 124, 122, 0.05);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

.credential-card:hover .card-overlay {
  opacity: 1;
}

.overlay-icon {
  padding: 12px;
  background-color: #fff;
  border-radius: var(--radius-md);
  color: var(--color-primary-dark);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(74, 124, 122, 0.1);
  transform: scale(0.9);
  transition: transform var(--transition-fast);
}

.credential-card:hover .overlay-icon {
  transform: scale(1);
}

.card-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-issuer {
  font-size: 10px;
  font-mono: monospace;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.card-title {
  font-size: 1.15rem;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 600;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   SECTION 5: BOOKING SECTION & FORM
   ========================================================================== */

.booking-section {
  padding: 80px 0;
}

.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: start;
}

.booking-left {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.booking-intro .section-desc {
  margin-top: 16px;
}

/* Contact List */
.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-icon {
  height: 48px;
  width: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-surface-glass);
  border: 1px solid var(--color-border-glass);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-label {
  font-size: 9px;
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.contact-value, .contact-social-links a {
  font-size: 0.9rem;
  font-weight: 500;
}

.contact-value:hover, .contact-social-links a:hover {
  color: var(--color-primary);
}

.contact-social-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-social-links .divider {
  color: rgba(74, 124, 122, 0.2);
  font-size: 0.8rem;
}

/* Welcoming Space Image */
.booking-space-visual {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 16/10;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-glass);
}

.space-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.booking-space-visual:hover .space-img {
  transform: scale(1.02);
}

/* Glassmorphic Form Container */
.form-container {
  width: 100%;
  background-color: var(--color-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.form-header {
  margin-bottom: 24px;
}

.form-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.form-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Inputs & Form Groups */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
  position: relative;
}

.form-label {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-dark);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background-color: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(74, 124, 122, 0.15);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--color-text-dark);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: #a3afb3;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(74, 124, 122, 0.1);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%234a7c7a' viewBox='0 0 256 256'%3E%3Cpath d='M213.66,101.66l-80,80a8,8,0,0,1-11.32,0l-80-80a8,8,0,0,1,11.32-11.32L128,164.69l74.34-74.35a8,8,0,0,1,11.32,11.32Z'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 14px;
}

.form-textarea {
  resize: none;
}

/* Submit Button */
.btn-submit {
  width: 100%;
  height: 48px;
  background-color: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
}

.btn-submit:hover {
  background-color: var(--color-primary-dark);
}

.btn-submit:active {
  transform: scale(0.98);
}

.btn-submit:disabled {
  background-color: rgba(74, 124, 122, 0.5);
  cursor: not-allowed;
}

/* Validation Errors */
.error-message {
  font-size: 0.75rem;
  color: #d93838;
  display: none;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}

.form-group.has-error .form-input {
  border-color: #fca5a5;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.08);
}

.form-group.has-error .error-message {
  display: flex;
}

/* Form Success State */
.form-success-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 0;
}

.success-icon {
  font-size: 4.5rem;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.btn-reset {
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: transparent;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
  margin-top: 24px;
}

.btn-reset:hover {
  background-color: rgba(255, 255, 255, 0.4);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.hidden {
  display: none !important;
}

@media (max-width: 960px) {
  .booking-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .booking-space-visual {
    display: none; /* Keep page compact on mobile */
  }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  padding: 48px 0;
  margin-top: 40px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .footer-container {
    flex-direction: row;
    gap: 0;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-dark);
}

.brand-icon {
  color: var(--color-primary);
  font-size: 1.125rem;
}

.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   FULLSCREEN CERTIFICATE LIGHTBOX
   ========================================================================== */

.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(44, 53, 57, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
  pointer-events: none;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  height: 48px;
  width: 48px;
  border-radius: var(--radius-md);
  border: none;
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.lightbox-close:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.lightbox-content {
  width: 100%;
  max-width: 960px;
  background-color: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.15);
  transform: scale(0.97) translateY(10px);
  transition: transform var(--transition-smooth);
}

.lightbox.active .lightbox-content {
  transform: scale(1) translateY(0);
}

@media (min-width: 768px) {
  .lightbox-content {
    flex-direction: row;
  }
}

.lightbox-image-container {
  flex: 1;
  background-color: #1a1e20;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-h: 300px;
}

@media (min-width: 768px) {
  .lightbox-image-container {
    min-height: 500px;
  }
}

.lightbox-img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.lightbox-sidebar {
  width: 100%;
  padding: 32px;
  background-color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-t: 1px solid #f0f0f0;
}

@media (min-width: 768px) {
  .lightbox-sidebar {
    width: 320px;
    border-t: none;
    border-l: 1px solid #f0f0f0;
  }
}

.sidebar-meta {
  font-size: 9px;
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 8px;
  display: block;
}

.sidebar-title {
  font-size: 1.5rem;
  margin-bottom: 24px;
  line-height: 1.25;
}

.sidebar-label {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.sidebar-desc {
  font-size: 0.85rem;
  color: var(--color-text-dark);
  line-height: 1.5;
  margin-bottom: 24px;
}

.sidebar-desc:last-of-type {
  margin-bottom: 0;
}

.btn-close-lightbox {
  margin-top: 32px;
  height: 44px;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--color-text-dark);
  font-size: 0.85rem;
  font-weight: 500;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
}

.btn-close-lightbox:hover {
  background-color: var(--color-bg-base);
  border-color: rgba(74, 124, 122, 0.35);
}

/* ==========================================================================
   BILINGUAL LANGUAGE SWITCHER
   ========================================================================== */

.nav-lang {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--color-text-muted);
}

.lang-active {
  color: var(--color-primary);
  pointer-events: none;
}

.lang-divider {
  color: rgba(74, 124, 122, 0.25);
  user-select: none;
}

.lang-inactive {
  color: var(--color-text-muted);
  cursor: pointer;
}

.lang-inactive:hover {
  color: var(--color-primary);
}