/* ==========================================================================
   Main Styles - Typography, Buttons, Micro-interactions, Glassmorphism 2.0
   ========================================================================== */

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  margin: 0 0 0.5rem 0;
  font-weight: 700;
  line-height: 1.15;
  color: inherit;
  letter-spacing: -0.025em;
}

p {
  font-family: var(--font-body);
  margin: 0 0 1rem 0;
  line-height: 1.65;
}

/* iOS Liquid Glass Containers (Specular highlights, soft ambient illumination, micro-refraction) */
.glass-panel {
  background: var(--theme-glass-gradient, linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.02) 40%,
    rgba(14, 21, 33, 0.44) 100%
  ));
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
  border: 1px solid var(--theme-border-glass, rgba(255, 255, 255, 0.16));
  border-top: 1px solid var(--theme-glass-specular, rgba(255, 255, 255, 0.28));
  border-left: 1px solid var(--theme-border-glass, rgba(255, 255, 255, 0.2));
  border-radius: var(--radius-lg, 24px);
  box-shadow: 
    var(--theme-shadow-glass, 0 20px 50px -12px rgba(0, 0, 0, 0.5)),
    0 1px 0 0 rgba(255, 255, 255, 0.2) inset,
    0 -1px 0 0 rgba(0, 0, 0, 0.3) inset;
  position: relative;
}

.glass-panel-light {
  background: var(--color-surface-light-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  color: var(--text-inverse);
}

/* Dynamic Mouse Spotlight on Cards */
.spotlight-card {
  position: relative;
  overflow: hidden;
  background: var(--color-surface-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.spotlight-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--theme-card-sheen, radial-gradient(
    600px circle at var(--mouse-x, -500px) var(--mouse-y, -500px),
    rgba(52, 211, 153, 0.12),
    transparent 40%
  ));
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.spotlight-card:hover::before {
  opacity: 1;
}

.spotlight-card:not(.blog-reader-card):not(.features-reader-card):not(.single-post-article):hover {
  border-color: var(--color-border-glass-glow);
  box-shadow: var(--shadow-md), 0 0 20px rgba(16, 185, 129, 0.15);
  transform: translateY(-3px);
}

.blog-reader-card:hover,
.features-reader-card:hover,
.single-post-article:hover {
  transform: none !important;
}

/* Modern Button Systems */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.85rem;
  background: var(--color-primary-gradient);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.96rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(5, 150, 105, 0.4);
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  letter-spacing: -0.01em;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(5, 150, 105, 0.55), 0 0 16px rgba(52, 211, 153, 0.4);
  filter: brightness(1.06);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  background: var(--color-accent);
  color: #0b1120 !important;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.35);
  transition: all var(--transition-fast);
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(56, 189, 248, 0.5);
}

.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-border-glass);
  color: #ffffff;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-outline:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

/* Category Badges & Micro-Pills */
.badge-category {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.75rem;
  font-size: 0.74rem;
  font-family: var(--font-mono);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
  background: rgba(5, 150, 105, 0.16);
  color: var(--color-primary-light);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.badge-category.badge-blue {
  background: rgba(56, 189, 248, 0.14);
  color: var(--color-accent);
  border-color: rgba(56, 189, 248, 0.35);
}

.badge-category.badge-purple {
  background: rgba(129, 140, 248, 0.14);
  color: var(--color-accent-purple);
  border-color: rgba(129, 140, 248, 0.35);
}

.badge-category.badge-amber {
  background: rgba(251, 191, 36, 0.14);
  color: var(--color-accent-amber);
  border-color: rgba(251, 191, 36, 0.35);
}

/* Section Header Styling */
.section-header {
  text-align: center;
  margin-bottom: calc(clamp(0.5rem, 1.5vh, 1rem) + 15px);
  position: relative;
  z-index: 2;
}

/* Purge any rogue badges or stray elements in non-card section headers */
#contact .section-header > *:not(.section-title):not(.slick-green-scroller-hr),
#contact .section-header *:not(.section-title):not(.section-title *):not(.slick-green-scroller-hr),
#contact > *:not(.deck-container),
#contact .deck-container > *:not(.section-header):not(.contact-grid):not(.contact-footer-links),
#contact .contact-action-card > *:not(.contact-item-left),
#contact :is(.album-card-badges, .item-access-badges, .item-topic-badges, .dock-dropped-tag-badge, .item-tag-badge, .article-badge, .sb-dock-tag, .sb-section-visibility-badge):not(.section-title *) {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
  position: absolute !important;
  clip: rect(0, 0, 0, 0) !important;
  width: 0 !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
}

.section-title {
  font-size: clamp(2.2rem, 3.8vw, 3.4rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 0.25rem;
  color: #ffffff;
  background: linear-gradient(135deg, #ffffff 40%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 0px rgba(0, 0, 0, 0.95))
          drop-shadow(0 4px 6px rgba(0, 0, 0, 0.9))
          drop-shadow(0 8px 20px rgba(0, 0, 0, 0.75));
  text-align: center;
}

.section-subtitle {
  font-size: clamp(0.95rem, 1.3vw, 1.15rem);
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.5;
}

/* Modern Toast Notification System (Centered Horizontally) */
.toast-container {
  position: fixed;
  bottom: calc(2.25rem + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  right: auto;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  pointer-events: none;
  width: max-content;
  max-width: min(520px, calc(100vw - 2rem));
}

.toast-message {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.75rem;
  padding: 0.85rem 1.4rem;
  background: rgba(15, 23, 42, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: #f8fafc;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(52, 211, 153, 0.4);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(5, 150, 105, 0.25);
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
  white-space: nowrap;
}

.toast-message.show {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.toast-icon {
  color: var(--color-primary-light);
  font-size: 1.1rem;
}

/* Subtle Internal Scrollbar */
.custom-scrollbar {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
}
.custom-scrollbar::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
.custom-scrollbar::-webkit-scrollbar-button,
::-webkit-scrollbar-button {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}
.custom-scrollbar::-webkit-scrollbar-corner,
::-webkit-scrollbar-corner {
  display: none !important;
  background: transparent !important;
  width: 0 !important;
  height: 0 !important;
}
.custom-scrollbar::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 4px;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  transition: background var(--transition-fast);
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .section-header {
    margin-bottom: 1.25rem;
  }
  .toast-container {
    bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    right: auto;
    width: max-content;
    max-width: calc(100vw - 2rem);
  }
  .toast-message {
    justify-content: center;
    white-space: normal;
    text-align: center;
  }
}

/* ==========================================================================
   Main Styles - Light Mode Overrides
   ========================================================================== */
[data-theme="light"] .section-title {
  color: #0f172a;
  background: linear-gradient(135deg, #0f172a 35%, #059669 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 8px rgba(15, 23, 42, 0.08));
}

[data-theme="light"] .section-subtitle {
  color: #475569;
}

[data-theme="light"] .toast-message {
  background: rgba(255, 255, 255, 0.95);
  color: #0f172a;
  border: 1px solid rgba(5, 150, 105, 0.35);
  box-shadow: 0 12px 35px rgba(15, 23, 42, 0.12), 0 0 20px rgba(5, 150, 105, 0.15);
}

[data-theme="light"] .btn-glass {
  background: rgba(15, 23, 42, 0.06);
  border-color: rgba(15, 23, 42, 0.12);
  color: #0f172a;
}

[data-theme="light"] .btn-glass:hover {
  background: rgba(15, 23, 42, 0.12);
  border-color: rgba(15, 23, 42, 0.22);
}

[data-theme="light"] .btn-outline {
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.22);
}

[data-theme="light"] .btn-outline:hover {
  border-color: #0f172a;
  background: rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .custom-scrollbar {
  scrollbar-color: rgba(15, 23, 42, 0.20) transparent;
}

[data-theme="light"] .custom-scrollbar::-webkit-scrollbar-thumb {
  background: rgba(15, 23, 42, 0.15);
}

[data-theme="light"] .custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}