/* =============================================================================
   CORE ATELIER WARM THEME - CSS
   Portfolio for Kosei Watanabe (Medical Student & Entrepreneur)
   Inspired by Core Atelier Pilates warm aesthetic
   ============================================================================= */

/* =============================================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================================= */

:root {
  /* COLOR PALETTE - Warm Theme */
  --ca-primary-bg: #FFF8F4;
  --ca-secondary-bg: #FFF8F4;
  --ca-tertiary-bg: #F0D9CC;
  --ca-white: #FFFFFF;

  --ca-primary-text: #25140C;
  --ca-secondary-text: #553623;
  --ca-muted-text: #744C32;

  --ca-accent: #B91D3A;
  --ca-accent-hover: #D4234A;
  --ca-accent-dark: #8B1538;

  --ca-border-light: rgba(37, 20, 12, 0.1);
  --ca-border-lighter: rgba(37, 20, 12, 0.06);

  /* TYPOGRAPHY */
  --ca-font-display: 'Playfair Display', serif;
  --ca-font-body: 'Inter', sans-serif;
  --ca-font-nav: 'Inter', sans-serif;

  /* SPACING & SIZING */
  --ca-spacing-xs: 0.5rem;
  --ca-spacing-sm: 1rem;
  --ca-spacing-md: 1.5rem;
  --ca-spacing-lg: 2rem;
  --ca-spacing-xl: 3rem;
  --ca-spacing-2xl: 4rem;
  --ca-spacing-3xl: 6rem;

  /* TRANSITIONS */
  --ca-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --ca-transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ca-transition-smooth: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

  /* SHADOWS - Using warm tones */
  --ca-shadow-sm: 0 1px 2px rgba(37, 20, 12, 0.05);
  --ca-shadow-md: 0 4px 12px rgba(37, 20, 12, 0.1);
  --ca-shadow-lg: 0 8px 24px rgba(37, 20, 12, 0.15);
  --ca-shadow-xl: 0 12px 40px rgba(37, 20, 12, 0.2);

  /* BORDER RADIUS */
  --ca-radius-sm: 4px;
  --ca-radius-md: 8px;
  --ca-radius-lg: 12px;
  --ca-radius-xl: 16px;
  --ca-radius-pill: 80px;

  /* Z-INDEX SCALE */
  --ca-z-dropdown: 1000;
  --ca-z-sticky: 1020;
  --ca-z-fixed: 10002;
  --ca-z-modal-backdrop: 1040;
  --ca-z-modal: 1050;
  --ca-z-popover: 1060;
  --ca-z-tooltip: 1070;
}

/* =============================================================================
   2. BASE & GLOBAL STYLES
   ============================================================================= */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--ca-primary-bg);
  color: var(--ca-primary-text);
  font-family: var(--ca-font-body);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  overflow-x: clip;
  overflow-y: visible;
}

main {
  overflow: visible;
}

/* Accessibility: Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =============================================================================
   3. TYPOGRAPHY
   ============================================================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ca-font-display);
  color: var(--ca-primary-text);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--ca-spacing-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.015em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: -0.01em;
}

h4 {
  font-size: 1.5rem;
  letter-spacing: -0.005em;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--ca-spacing-md);
  color: var(--ca-secondary-text);
}

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

a:hover {
  color: var(--ca-accent-hover);
}

small {
  font-size: 0.875rem;
  color: var(--ca-muted-text);
}

strong, b {
  font-weight: 600;
  color: var(--ca-primary-text);
}

em, i {
  font-style: italic;
}

/* Lists */
ul, ol {
  margin-bottom: var(--ca-spacing-md);
  margin-left: var(--ca-spacing-lg);
}

li {
  margin-bottom: var(--ca-spacing-sm);
}

/* Block quotes */
blockquote {
  border-left: 4px solid var(--ca-accent);
  padding-left: var(--ca-spacing-lg);
  margin: var(--ca-spacing-lg) 0;
  color: var(--ca-secondary-text);
  font-style: italic;
}

/* Code */
code, pre {
  background-color: var(--ca-tertiary-bg);
  border: 1px solid var(--ca-border-lighter);
  border-radius: var(--ca-radius-md);
  font-family: 'Courier New', monospace;
}

code {
  padding: 0.25rem 0.5rem;
  font-size: 0.9em;
  color: var(--ca-accent-dark);
}

pre {
  padding: var(--ca-spacing-md);
  overflow-x: auto;
  margin-bottom: var(--ca-spacing-md);
}

pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--ca-primary-text);
}

/* =============================================================================
   4. NAVIGATION
   ============================================================================= */

/* Prevent GSAP page-transitions from applying transform to navbar container.
   Any transform on a parent of position:fixed breaks fixed positioning (CSS spec). */
#navbar-container {
  transform: none !important;
  translate: none !important;
  rotate: none !important;
  scale: none !important;
  opacity: 1 !important;
}

.core-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--ca-z-fixed);
  background: linear-gradient(135deg, #1A0F0A 0%, #2C1A10 40%, #1A0F0A 100%);
  backdrop-filter: none;
  transition: background var(--ca-transition-normal),
              backdrop-filter var(--ca-transition-normal),
              padding var(--ca-transition-normal);
  padding: var(--ca-spacing-md) var(--ca-spacing-lg);
  border-bottom: 1px solid rgba(212, 184, 150, 0.2);
  overflow: visible;
}

/* Champagne text on espresso navbar */
.core-nav:not(.scrolled) .nav-logo-text,
.core-nav:not(.scrolled) .nav-link-item,
.core-nav:not(.scrolled) .sns-icon-link,
.core-nav:not(.scrolled) .dropdown-toggle {
  color: #D4B896 !important;
}
.core-nav:not(.scrolled) .hamburger-bar {
  fill: #D4B896;
}

.core-nav.scrolled {
  background: var(--ca-primary-bg);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--ca-border-lighter);
}

/* Scrolled state: revert to dark text */
.core-nav.scrolled .nav-logo-text,
.core-nav.scrolled .nav-link-item,
.core-nav.scrolled .sns-icon-link,
.core-nav.scrolled .dropdown-toggle {
  color: var(--ca-primary-text) !important;
}
.core-nav.scrolled .hamburger-bar {
  fill: var(--ca-primary-text);
}

/* Geometric line pattern canvas behind navbar */
.nav-geometry-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 1;
  z-index: 0;
}
.core-nav.scrolled .nav-geometry-canvas {
  opacity: 0;
  transition: opacity var(--ca-transition-normal);
}

/* Ensure navbar content is above canvas */
.core-nav > .container-fluid {
  position: relative;
  z-index: 1;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ca-primary-text);
  text-decoration: none;
  transition: color var(--ca-transition-fast);
}

.nav-logo:hover {
  color: var(--ca-accent);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--ca-spacing-xl);
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.16px;
  color: var(--ca-secondary-text);
  text-decoration: none;
  transition: color var(--ca-transition-fast);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--ca-transition-fast),
              color var(--ca-transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--ca-accent);
  border-bottom-color: var(--ca-accent);
}

/* Hamburger Menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  align-items: center;
  justify-content: center;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--ca-primary-text);
  transition: all var(--ca-transition-fast);
  display: block;
}

.nav-hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(9px, 9px);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background-color: var(--ca-primary-bg);
  flex-direction: column;
  padding: 6rem var(--ca-spacing-lg) var(--ca-spacing-lg);
  gap: var(--ca-spacing-lg);
  z-index: var(--ca-z-fixed) - 1;
  transition: right var(--ca-transition-normal);
}

.nav-mobile-menu.open {
  right: 0;
}

.nav-mobile-menu .nav-link {
  font-size: 1.5rem;
  color: var(--ca-primary-text);
}

/* Floating nav variant */
.nav-floating {
  position: fixed;
  background-color: transparent;
  padding: 0;
}

.nav-floating.scrolled {
  background-color: var(--ca-primary-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(37, 20, 12, 0.1);
}

/* Nav link items (used in navbar.html) */
.nav-link-item {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.16px;
  color: var(--ca-secondary-text);
  text-decoration: none;
  transition: color 0.3s ease;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}

/* Fix dropdown alignment in nav */
nav .dropdown {
  display: inline-flex;
  align-items: center;
  position: relative;
}
nav .dropdown > .nav-link-item.dropdown-toggle {
  padding: 0;
  margin: 0;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
nav .dropdown > .nav-link-item.dropdown-toggle::after {
  margin-left: 0.3em;
  vertical-align: middle;
}

.nav-link-item:hover {
  color: var(--ca-accent);
  border-bottom-color: var(--ca-accent);
}

/* Nav logo text */
.nav-logo-text {
  color: var(--ca-primary-text);
  transition: color 0.3s ease;
}

.nav-logo-text:hover {
  color: var(--ca-accent);
}

/* Hamburger menu */
.hamburger-menu {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hamburger-icon {
  color: var(--ca-primary-text);
}

.hamburger-bar {
  transition: all 0.5s ease-in-out;
  transform-origin: center;
}

/* Mobile menu overlay */
.mobile-menu-overlay {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1040;
  height: 100vh;
  width: 100%;
  cursor: pointer;
  background: rgba(37, 20, 12, 0.6);
  opacity: 0;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  transition: opacity 0.3s ease 0.2s;
  pointer-events: none;
}

.mobile-menu-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile menu drawer */
.mobile-menu {
  position: fixed;
  right: 0;
  top: 0;
  z-index: 1050;
  height: 100dvh;
  width: 100vw;
  transform: translateX(100%);
  background-color: var(--ca-primary-bg);
  transition: transform 0.8s cubic-bezier(0.6, 0, 0.2, 1);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(37, 20, 12, 0.1);
  padding: 20px 16px;
}

.mobile-menu-content {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding: 80px 16px 40px 16px;
  flex: 1;
}

.mobile-nav-link {
  font-family: 'Inter', sans-serif;
  font-size: 20px;
  font-weight: 400;
  line-height: 25px;
  color: var(--ca-primary-text);
  text-decoration: none;
  transition: color 0.3s ease;
}

.mobile-nav-link:hover {
  color: var(--ca-accent);
}

.mobile-menu-footer {
  display: flex;
  gap: 24px;
  padding: 24px 16px;
  border-top: 1px solid rgba(37, 20, 12, 0.1);
}

@media (min-width: 768px) {
  .mobile-menu {
    width: 70vw;
  }
  .mobile-menu-header {
    padding: 20px 32px;
  }
  .mobile-menu-content {
    gap: 40px;
    padding: 40px 64px;
  }
  .mobile-nav-link {
    font-size: 24px;
    line-height: 26px;
  }
}

/* =============================================================================
   5. HERO SECTION
   ============================================================================= */

.core-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--ca-primary-bg) 0%, var(--ca-secondary-bg) 50%, var(--ca-tertiary-bg) 100%);
}

.core-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(185, 29, 58, 0.1) 100%);
  pointer-events: none;
}

.hero-3d-background {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  will-change: transform;
}

.core-hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 800px;
  padding: var(--ca-spacing-2xl);
  animation: fadeInUp 1s ease-out;
}

.core-hero h1 {
  margin-bottom: var(--ca-spacing-md);
  animation: slideInDown 0.8s ease-out;
}

.core-hero p {
  font-size: 1.25rem;
  color: var(--ca-secondary-text);
  margin-bottom: var(--ca-spacing-xl);
  animation: slideInUp 0.8s ease-out 0.2s both;
}

.hero-cta {
  display: inline-block;
  animation: slideInUp 0.8s ease-out 0.4s both;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--ca-spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  animation: bounce 2s infinite;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
  stroke: var(--ca-accent);
  stroke-width: 2;
  fill: none;
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

/* =============================================================================
   6. SECTION LAYOUTS
   ============================================================================= */

section {
  padding: var(--ca-spacing-3xl) var(--ca-spacing-lg);
}

section:nth-child(even) {
  background-color: var(--ca-secondary-bg);
}

section:nth-child(odd) {
  background-color: var(--ca-primary-bg);
}

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

section.accent-bg {
  background-color: var(--ca-tertiary-bg);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ca-accent);
  margin-bottom: var(--ca-spacing-md);
}

/* Container sizes */
.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--ca-spacing-lg);
}

.container-md {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--ca-spacing-lg);
}

.container-lg {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--ca-spacing-lg);
}

/* =============================================================================
   7. GRID SYSTEM
   ============================================================================= */

.core-grid {
  display: grid;
  gap: var(--ca-spacing-lg);
  width: 100%;
}

.core-grid.cols-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.core-grid.cols-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.core-grid.cols-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

@media (max-width: 768px) {
  .core-grid.cols-3,
  .core-grid.cols-4 {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

@media (max-width: 480px) {
  .core-grid.cols-2,
  .core-grid.cols-3,
  .core-grid.cols-4 {
    grid-template-columns: 1fr;
  }
}

/* =============================================================================
   8. CARDS
   ============================================================================= */

.core-card {
  background-color: var(--ca-white);
  border: 1px solid var(--ca-border-lighter);
  border-radius: var(--ca-radius-lg);
  padding: var(--ca-spacing-md);
  transition: all var(--ca-transition-normal);
  box-shadow: var(--ca-shadow-sm);
  overflow: visible;
}

.core-card:hover {
  border-color: var(--ca-accent);
  box-shadow: var(--ca-shadow-md);
  transform: translateY(-4px);
}

.core-card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--ca-radius-lg);
  margin-bottom: var(--ca-spacing-md);
  overflow: hidden;
}

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

.core-card:hover .core-card-image img {
  transform: scale(1.05);
}

.core-card-content {
  padding: 0;
}

.core-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--ca-spacing-sm);
  color: var(--ca-primary-text);
}

.core-card-text {
  color: var(--ca-secondary-text);
  margin-bottom: var(--ca-spacing-md);
  font-size: 0.95rem;
}

.core-card-footer {
  padding-top: var(--ca-spacing-md);
  border-top: 1px solid var(--ca-border-lighter);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* =============================================================================
   9. BUTTONS
   ============================================================================= */

.core-btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--ca-radius-pill);
  font-family: var(--ca-font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all var(--ca-transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  letter-spacing: 0.5px;
}

/* Primary Button */
.core-btn.primary {
  background-color: var(--ca-accent);
  color: var(--ca-white);
  border: 2px solid var(--ca-accent);
}

.core-btn.primary:hover {
  background-color: var(--ca-accent-hover);
  border-color: var(--ca-accent-hover);
  box-shadow: 0 8px 16px rgba(185, 29, 58, 0.3);
}

.core-btn.primary:active {
  background-color: var(--ca-accent-dark);
  border-color: var(--ca-accent-dark);
}

/* Outline Button */
.core-btn.outline {
  background-color: transparent;
  color: var(--ca-accent);
  border: 2px solid var(--ca-accent);
}

.core-btn.outline:hover {
  background-color: var(--ca-accent);
  color: var(--ca-white);
}

.core-btn.outline:active {
  background-color: var(--ca-accent-dark);
  border-color: var(--ca-accent-dark);
  color: var(--ca-white);
}

/* Text Button */
.core-btn.text {
  background-color: transparent;
  color: var(--ca-accent);
  border: none;
  padding: 10px 0;
  text-decoration: underline;
}

.core-btn.text:hover {
  color: var(--ca-accent-hover);
}

.core-btn.text::after {
  content: ' →';
  margin-left: 4px;
  transition: margin-left var(--ca-transition-fast);
}

.core-btn.text:hover::after {
  margin-left: 8px;
}

/* Button sizes */
.core-btn.sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.core-btn.lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

/* Button block */
.core-btn.block {
  width: 100%;
  display: block;
}

/* Disabled state */
.core-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* =============================================================================
   10. IMAGE TREATMENTS
   ============================================================================= */

.core-img-overlay {
  position: relative;
  overflow: hidden;
  border-radius: var(--ca-radius-lg);
}

.core-img-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(185, 29, 58, 0.1) 0%, rgba(37, 20, 12, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--ca-transition-normal);
  z-index: 10;
  pointer-events: none;
}

.core-img-overlay:hover::before {
  opacity: 1;
}

.core-img-overlay img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--ca-transition-normal);
}

.core-img-overlay:hover img {
  transform: scale(1.05);
}

/* =============================================================================
   11. HORIZONTAL SCROLL SECTION
   ============================================================================= */

.core-scroll-container {
  display: flex;
  gap: var(--ca-spacing-lg);
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: var(--ca-spacing-lg) 0;

  /* Custom scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--ca-accent) var(--ca-border-lighter);
}

.core-scroll-container::-webkit-scrollbar {
  height: 8px;
}

.core-scroll-container::-webkit-scrollbar-track {
  background-color: var(--ca-border-lighter);
}

.core-scroll-container::-webkit-scrollbar-thumb {
  background-color: var(--ca-accent);
  border-radius: 4px;
}

.core-scroll-container::-webkit-scrollbar-thumb:hover {
  background-color: var(--ca-accent-hover);
}

.core-scroll-item {
  flex: 0 0 auto;
  width: 390px;
  /* scroll-snap-align removed - scroll-snap disabled */
}

/* First card no longer needs margin - using wrapper padding-left instead */
.core-scroll-item:first-child {
  margin-left: 0 !important;
}

/* Additional spacing for Recent News section */
.core-section.core-scroll-section {
  padding: 3rem 0 !important;
  min-height: 70vh !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  overflow: visible !important;
}

.core-scroll-section .core-container-wide {
  width: 100% !important;
  max-width: none !important;
  margin: 0 auto;
  flex-shrink: 0;
  overflow: visible !important;
  padding: 0 !important;
}

.core-scroll-section h2.display-text {
  text-align: center !important;
  width: 100%;
  margin-bottom: 1.5rem !important;
  margin-top: 0 !important;
  padding: 0 1rem;
  flex-shrink: 0;
  font-size: clamp(2rem, 4vw, 3rem) !important;
}

.core-scroll-section .core-scroll-wrapper {
  display: flex !important;
  gap: 2rem !important;
  margin-bottom: 1rem;
  margin-left: 0;
  margin-right: 0;
  flex-shrink: 0;
  flex-grow: 1;
  /* Use padding-left for left spacing */
  padding: 6rem 8rem 6rem 16rem !important;
  overflow-y: visible !important;
  overflow-x: auto !important;
  /* Remove scroll-snap to prevent auto-scroll issues */
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  position: relative;

  /* Hide scrollbar for cleaner look */
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
}

.core-scroll-section .core-scroll-wrapper::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.core-scroll-section .text-center {
  margin-top: 1rem !important;
  margin-bottom: 1rem !important;
  padding: 0 1rem;
  flex-shrink: 0;
}

/* =============================================================================
   ENHANCED HORIZONTAL SCROLL UI/UX
   ============================================================================= */

/* Scroll fade gradients */
.scroll-fade-container {
  position: relative;
  width: 100%;
}

.scroll-fade-left,
.scroll-fade-right {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  pointer-events: none;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.scroll-fade-left {
  left: 0;
  background: linear-gradient(to right, var(--ca-secondary-bg) 0%, transparent 100%);
}

.scroll-fade-right {
  right: 0;
  background: linear-gradient(to left, var(--ca-secondary-bg) 0%, transparent 100%);
}

.scroll-fade-left.visible,
.scroll-fade-right.visible {
  opacity: 1;
}

/* Navigation arrows */
.scroll-nav-arrows {
  position: relative;
  z-index: 20;
}

.scroll-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--ca-white);
  border: 2px solid var(--ca-accent);
  color: var(--ca-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 30;
  opacity: 1;
  pointer-events: auto;
  box-shadow: 0 4px 12px rgba(185, 29, 58, 0.2);
}

.scroll-arrow.visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-arrow:hover {
  background: var(--ca-accent);
  color: var(--ca-white);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 8px 20px rgba(185, 29, 58, 0.3);
}

.scroll-arrow:active {
  transform: translateY(-50%) scale(0.95);
}

.scroll-arrow-left {
  left: 4rem;
}

.scroll-arrow-right {
  right: 2rem;
}

.scroll-arrow svg {
  width: 20px;
  height: 20px;
}

/* Scroll progress indicator */
.scroll-progress-container {
  width: 100%;
  max-width: 600px;
  height: 3px;
  background: rgba(185, 29, 58, 0.1);
  border-radius: 2px;
  margin: 1rem auto 0;
  overflow: hidden;
}

.scroll-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--ca-accent) 0%, #D4234A 100%);
  width: 0%;
  transition: width 0.2s ease;
  border-radius: 2px;
  box-shadow: 0 2px 8px rgba(185, 29, 58, 0.3);
}

/* Read All Articles Button */
.read-all-articles-btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: var(--ca-radius-pill);
  background: #B91D3A;
  border: 2px solid #B91D3A;
  color: #FFFFFF !important;
  font-family: var(--ca-font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  box-shadow: 0 4px 12px rgba(185, 29, 58, 0.2);
}

.read-all-articles-btn:hover {
  background: #8B1538;
  border-color: #8B1538;
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(185, 29, 58, 0.4);
}

.read-all-articles-btn:active {
  transform: translateY(0);
}

/* Override Bootstrap btn-outline-dark hover (used in Recent News "Read All Articles") */
.core-scroll-section .btn-outline-dark {
  border-color: var(--ca-accent, #B91D3A);
  color: var(--ca-accent, #B91D3A);
  background: transparent;
}

.core-scroll-section .btn-outline-dark:hover,
.core-scroll-section .btn-outline-dark:focus {
  background: #FFFFFF !important;
  border-color: var(--ca-accent, #B91D3A) !important;
  color: var(--ca-accent, #B91D3A) !important;
  box-shadow: 0 4px 12px rgba(185, 29, 58, 0.15);
}

/* Cursor grab for drag-to-scroll */
.core-scroll-wrapper.grab-cursor {
  cursor: grab;
}

.core-scroll-wrapper.grabbing-cursor {
  cursor: grabbing;
  user-select: none;
}

/* Enhanced scroll snap */
.core-scroll-item {
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .scroll-arrow {
    width: 40px;
    height: 40px;
  }

  .scroll-arrow-left {
    left: 1rem;
  }

  .scroll-arrow-right {
    right: 1rem;
  }

  .scroll-fade-left,
  .scroll-fade-right {
    width: 60px;
  }

  .core-scroll-section .core-scroll-wrapper {
    /* Mobile: 1画面1カードの横スクロール（中央揃え） */
    padding: 3rem 0 !important;
    margin-left: 0;
    margin-right: 0;
    gap: 0 !important;
    scroll-snap-type: x mandatory;
    scroll-padding: 0;
  }

  .core-scroll-item:first-child {
    margin-left: 0 !important;
  }

  /* モバイルでは1画面1カードを表示（中央揃え） */
  .core-scroll-item {
    min-width: 100vw !important;
    max-width: 100vw !important;
    flex-shrink: 0;
    scroll-snap-align: center;
    scroll-snap-stop: always;
    padding: 0 1rem;
    box-sizing: border-box;
  }

  .core-section.core-scroll-section {
    min-height: 60vh !important;
    padding: 2rem 0 !important;
  }

  .scroll-progress-container {
    max-width: 90%;
  }
}

/* =============================================================================
   12. TEXT ANIMATIONS
   ============================================================================= */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal-fade {
  animation: fadeIn var(--ca-transition-smooth) ease-out forwards;
}

.reveal-slide-left {
  animation: slideInLeft var(--ca-transition-smooth) ease-out forwards;
}

.reveal-slide-right {
  animation: slideInRight var(--ca-transition-smooth) ease-out forwards;
}

.reveal-slide-up {
  animation: slideInUp var(--ca-transition-smooth) ease-out forwards;
}

.reveal-slide-down {
  animation: slideInDown var(--ca-transition-smooth) ease-out forwards;
}

/* Stagger animations */
.reveal-stagger > * {
  animation: fadeInUp var(--ca-transition-smooth) ease-out forwards;
}

.reveal-stagger > :nth-child(1) { animation-delay: 0s; }
.reveal-stagger > :nth-child(2) { animation-delay: 0.1s; }
.reveal-stagger > :nth-child(3) { animation-delay: 0.2s; }
.reveal-stagger > :nth-child(4) { animation-delay: 0.3s; }
.reveal-stagger > :nth-child(5) { animation-delay: 0.4s; }
.reveal-stagger > :nth-child(n+6) { animation-delay: 0.5s; }

/* =============================================================================
   13. TIMELINE & STRUCTURED CONTENT
   ============================================================================= */

.core-timeline {
  position: relative;
  padding: var(--ca-spacing-lg) 0;
}

.core-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--ca-border-light);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--ca-spacing-2xl);
  padding-left: var(--ca-spacing-xl);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 0;
  width: 20px;
  height: 20px;
  background-color: var(--ca-accent);
  border: 3px solid var(--ca-primary-bg);
  border-radius: 50%;
}

.timeline-item-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ca-primary-text);
  margin-bottom: var(--ca-spacing-sm);
}

.timeline-item-date {
  font-size: 0.875rem;
  color: var(--ca-muted-text);
  margin-bottom: var(--ca-spacing-sm);
}

.timeline-item-content {
  color: var(--ca-secondary-text);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--ca-spacing-lg) 0;
}

thead {
  background: rgba(185, 29, 58, 0.05);
  border-bottom: 2px solid var(--ca-accent);
}

th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ca-accent);
}

td {
  padding: var(--ca-spacing-md);
  border-bottom: 1px solid var(--ca-border-lighter);
  color: var(--ca-secondary-text);
  text-align: left;
}

tbody tr {
  cursor: pointer;
  transition: all var(--ca-transition-normal);
}

tbody tr:hover {
  background-color: rgba(185, 29, 58, 0.05);
  transform: translateX(4px);
}

/* Expandable row description */
.row-description {
  display: none;
  background-color: rgba(185, 29, 58, 0.02);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ca-secondary-text);
  border-left: 3px solid var(--ca-accent);
}

.row-description.show {
  display: table-row;
}

.row-description td {
  border-bottom: 2px solid var(--ca-accent) !important;
  padding: 0 var(--ca-spacing-lg) !important;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.4s ease-out;
}

.row-description.show td {
  padding: var(--ca-spacing-lg) !important;
  max-height: 1000px;
  opacity: 1;
}

/* Hide scrollbar for table-responsive */
.table-responsive::-webkit-scrollbar {
  display: none;
}

.table-responsive {
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

/* Section-specific table header backgrounds */
/* Background color 1 (#FFF8F4) → Table header color 2 (gradient) */
section[style*="background: #FFF8F4"] thead,
section[style*="background:#FFF8F4"] thead {
  background: linear-gradient(135deg, #F7E7DE 0%, #F0D9CC 50%, #F7E7DE 100%) !important;
}

/* Background color 2 (gradient) → Table header color 1 (#FFF8F4) */
section[style*="background: linear-gradient"] thead {
  background: #FFF8F4 !important;
}

/* Override for specific sections */
.core-section thead {
  border-bottom: 2px solid var(--ca-accent);
}

/* =============================================================================
   14. FOOTER
   ============================================================================= */

.core-footer {
  background-color: var(--ca-primary-text);
  color: var(--ca-secondary-bg);
  padding: var(--ca-spacing-3xl) var(--ca-spacing-lg);
  margin-top: var(--ca-spacing-3xl);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--ca-spacing-2xl);
  margin-bottom: var(--ca-spacing-2xl);
}

.footer-section h3 {
  color: var(--ca-secondary-bg);
  margin-bottom: var(--ca-spacing-md);
}

.footer-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-section li {
  margin-bottom: var(--ca-spacing-sm);
}

.footer-section a {
  color: var(--ca-secondary-bg);
  text-decoration: none;
  transition: color var(--ca-transition-fast);
}

.footer-section a:hover {
  color: var(--ca-accent);
}

.footer-divider {
  border-top: 1px solid rgba(255, 248, 244, 0.2);
  padding-top: var(--ca-spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--ca-muted-text);
}

.footer-social {
  display: flex;
  gap: var(--ca-spacing-md);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 248, 244, 0.1);
  transition: all var(--ca-transition-fast);
}

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

/* =============================================================================
   15. BLOG TAGS & BADGES
   ============================================================================= */

.core-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--ca-radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all var(--ca-transition-fast);
}

/* Badge variants */
.badge-entrepreneur {
  background-color: var(--ca-accent);
  color: var(--ca-white);
}

.badge-educator {
  background-color: #2D9C5C;
  color: var(--ca-white);
}

.badge-medical {
  background-color: #1E5A96;
  color: var(--ca-white);
}

.badge-startup {
  background-color: #D97706;
  color: var(--ca-white);
}

.badge-research {
  background-color: #7C3AED;
  color: var(--ca-white);
}

.badge-wellness {
  background-color: #E91E63;
  color: var(--ca-white);
}

.core-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Tag variant */
.core-tag {
  display: inline-block;
  padding: 6px 12px;
  background-color: var(--ca-tertiary-bg);
  color: var(--ca-primary-text);
  border: 1px solid var(--ca-border-light);
  border-radius: var(--ca-radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--ca-transition-fast);
}

.core-tag:hover {
  border-color: var(--ca-accent);
  background-color: var(--ca-secondary-bg);
}

/* =============================================================================
   16. BOOTSTRAP & 3RD PARTY OVERRIDES
   ============================================================================= */

/* Bootstrap container overrides */
.container,
.container-sm,
.container-md,
.container-lg,
.container-xl,
.container-xxl {
  background-color: transparent;
  padding-left: var(--ca-spacing-lg);
  padding-right: var(--ca-spacing-lg);
}

.container-sm {
  max-width: 800px;
}

.container-md {
  max-width: 1000px;
}

.container-lg {
  max-width: 1400px;
}

/* Bootstrap card overrides */
.card {
  border-color: var(--ca-border-lighter);
  background-color: var(--ca-white);
}

.card-header {
  background-color: var(--ca-tertiary-bg);
  border-color: var(--ca-border-lighter);
}

.card-body {
  color: var(--ca-secondary-text);
}

/* Bootstrap button overrides */
.btn {
  border-radius: var(--ca-radius-pill);
  font-weight: 600;
  transition: all var(--ca-transition-fast);
}

.btn-primary {
  background-color: var(--ca-accent);
  border-color: var(--ca-accent);
}

.btn-primary:hover {
  background-color: var(--ca-accent-hover);
  border-color: var(--ca-accent-hover);
}

.btn-outline-primary {
  color: var(--ca-accent);
  border-color: var(--ca-accent);
}

.btn-outline-primary:hover {
  background-color: var(--ca-accent);
  border-color: var(--ca-accent);
  color: var(--ca-white);
}

/* =============================================================================
   17. 3D INTEGRATION CLASSES
   ============================================================================= */

.hero-3d-background {
  position: absolute;
  inset: 0;
  pointer-events: none;
  will-change: transform;
  z-index: 1;
}

canvas {
  pointer-events: none;
}

.carousel-3d-container {
  perspective: 1000px;
  position: relative;
}

.carousel-3d-item {
  transform-style: preserve-3d;
  transition: transform var(--ca-transition-smooth);
}

/* Card glow effect */
.card-glow {
  position: relative;
  overflow: hidden;
}

.card-glow::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(185, 29, 58, 0.2) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--ca-transition-normal);
  pointer-events: none;
}

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

/* Ripple effect */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background-color: rgba(185, 29, 58, 0.3);
  border-radius: 50%;
  opacity: 0;
  transform: translate(-50%, -50%);
}

.ripple:active::after {
  animation: rippleEffect 0.6s ease-out;
}

@keyframes rippleEffect {
  0% {
    width: 0;
    height: 0;
    opacity: 1;
  }
  100% {
    width: 300px;
    height: 300px;
    opacity: 0;
  }
}

/* GPU acceleration */
.gpu-accelerated {
  transform: translateZ(0);
  will-change: transform;
  backface-visibility: hidden;
  perspective: 1000px;
}

/* =============================================================================
   18. RESPONSIVE DESIGN
   ============================================================================= */

/* Large screens (≥1200px) */
@media (min-width: 1200px) {
  .hide-lg {
    display: none;
  }
}

/* Tablets and medium screens (768px - 1199px) */
@media (max-width: 1199px) {
  section {
    padding: var(--ca-spacing-2xl) var(--ca-spacing-lg);
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.875rem;
  }

  .core-grid.cols-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .hide-md {
    display: none;
  }
}

@media (max-width: 768px) {
  section {
    padding: var(--ca-spacing-2xl) var(--ca-spacing-md);
  }

  h1 {
    font-size: 1.875rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .core-nav {
    padding: var(--ca-spacing-md);
  }

  .nav-menu {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-mobile-menu {
    display: flex;
  }

  .core-hero {
    height: 70vh;
    min-height: 500px;
  }

  .core-hero-content {
    padding: var(--ca-spacing-lg);
  }

  .core-grid.cols-3,
  .core-grid.cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--ca-spacing-lg);
  }

  .footer-divider {
    flex-direction: column;
    gap: var(--ca-spacing-lg);
    align-items: flex-start;
  }

  .hide-sm {
    display: none;
  }
}

/* Small screens & mobile (≤480px) */
@media (max-width: 480px) {
  section {
    padding: var(--ca-spacing-xl) var(--ca-spacing-md);
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  p {
    font-size: 0.95rem;
  }

  .core-nav {
    padding: var(--ca-spacing-md);
  }

  .nav-container {
    padding: 0;
  }

  .nav-logo {
    font-size: 1.25rem;
  }

  .core-hero {
    height: 60vh;
    min-height: 400px;
  }

  .core-hero-content {
    padding: var(--ca-spacing-lg) var(--ca-spacing-md);
  }

  .core-hero p {
    font-size: 1rem;
  }

  .core-grid,
  .core-grid.cols-2,
  .core-grid.cols-3,
  .core-grid.cols-4 {
    grid-template-columns: 1fr;
    gap: var(--ca-spacing-md);
  }

  .core-btn {
    padding: 10px 16px;
    font-size: 0.9rem;
  }

  .nav-menu {
    gap: var(--ca-spacing-md);
  }

  .core-card {
    padding: var(--ca-spacing-md);
  }

  .footer-social {
    gap: var(--ca-spacing-sm);
  }

  .footer-social a {
    width: 32px;
    height: 32px;
  }
}

/* =============================================================================
   19. ACCESSIBILITY
   ============================================================================= */

/* Focus states for keyboard navigation */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--ca-accent);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background-color: var(--ca-accent);
  color: var(--ca-white);
  padding: var(--ca-spacing-sm) var(--ca-spacing-md);
  text-decoration: none;
  z-index: 100;
  border-radius: var(--ca-radius-md);
}

.skip-link:focus {
  top: 0;
  outline: none;
}

/* High contrast mode support */
@media (prefers-contrast: more) {
  :root {
    --ca-border-light: rgba(37, 20, 12, 0.3);
    --ca-border-lighter: rgba(37, 20, 12, 0.15);
  }

  .core-card {
    border-width: 2px;
  }

  button,
  a {
    outline: 1px solid currentColor;
  }
}

/* Forced colors mode (Windows High Contrast) */
@media (forced-colors: active) {
  .core-btn {
    border: 1px solid buttonText;
  }

  .core-card {
    border: 1px solid buttonText;
  }
}

/* =============================================================================
   BOOK OF THE YEAR SECTION - PREMIUM GLASS MORPHISM
   ============================================================================= */

.book-of-year-section {
  position: relative;
  overflow: hidden;
}

.book-of-year-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 120%;
  height: 200%;
  background: radial-gradient(
    ellipse at center,
    rgba(185, 29, 58, 0.03) 0%,
    transparent 70%
  );
  animation: subtle-pulse 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes subtle-pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

.book-image-container {
  position: relative;
  display: inline-block;
  padding: 3rem 2rem;
  perspective: 1200px;
}

/* Wrapper around the image for effects */
.book-cover-glass {
  position: relative;
  width: 100%;
  max-width: 400px;
  display: block;
  border-radius: 28px;
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  transform-style: preserve-3d;
  box-shadow:
    0 25px 50px rgba(26, 26, 26, 0.2),
    0 10px 20px rgba(185, 29, 58, 0.15),
    inset 0 0 0 1px rgba(255, 255, 255, 0.3);
}

/* Premium glass frame overlay - visible border effect */
.book-cover-glass::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 30px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.9) 0%,
    rgba(185, 29, 58, 0.4) 25%,
    rgba(255, 255, 255, 0.5) 50%,
    rgba(185, 29, 58, 0.4) 75%,
    rgba(255, 255, 255, 0.9) 100%
  );
  background-size: 200% 200%;
  z-index: -1;
  opacity: 0.7;
  pointer-events: none;
  animation: gradient-rotate 4s ease infinite;
}

@keyframes gradient-rotate {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Shimmer effect - highly visible */
.book-cover-glass::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 28px;
  background: linear-gradient(
    110deg,
    transparent 20%,
    rgba(255, 255, 255, 0.8) 50%,
    transparent 80%
  );
  opacity: 0;
  transform: translateX(-100%);
  pointer-events: none;
  z-index: 10;
  transition: opacity 0.3s;
}

.book-image-container:hover .book-cover-glass {
  transform: translateY(-20px) rotateY(-5deg) scale(1.05);
  box-shadow:
    0 40px 80px rgba(26, 26, 26, 0.25),
    0 20px 40px rgba(185, 29, 58, 0.3),
    inset 0 0 0 2px rgba(255, 255, 255, 0.5);
}

.book-image-container:hover .book-cover-glass::before {
  opacity: 1;
  inset: -5px;
}

.book-image-container:hover .book-cover-glass::after {
  opacity: 1;
  animation: shimmer 1.2s ease-in-out;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Ambient glow backdrop - more visible */
.book-image-container::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    ellipse at center,
    rgba(185, 29, 58, 0.4),
    rgba(185, 29, 58, 0.2) 40%,
    transparent 70%
  );
  border-radius: 50%;
  filter: blur(50px);
  z-index: -1;
  opacity: 0.5;
  transition: all 0.6s ease;
}

.book-image-container:hover::before {
  opacity: 1;
  width: 120%;
  height: 120%;
  animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    filter: blur(50px);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.1);
    filter: blur(60px);
  }
}

/* Responsive adjustments */
@media (max-width: 991px) {
  .book-cover-glass {
    max-width: 320px;
    margin: 0 auto;
    display: block;
  }

  .book-image-container {
    text-align: center;
    padding: 2rem 1rem;
  }

  @keyframes book-float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
  }
}

/* Section alternating backgrounds for visual hierarchy */
.core-section {
  position: relative;
  transition: background 0.6s ease;
}

.core-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(185, 29, 58, 0.1) 50%,
    transparent 100%
  );
  opacity: 0.5;
}

.book-of-year-section .book-title {
  position: relative;
  display: inline-block;
}

.book-of-year-section .book-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--ca-accent),
    transparent
  );
  border-radius: 2px;
}

/* =============================================================================
   20. PRINT STYLES
   ============================================================================= */

@media print {
  /* Hide interactive elements */
  .core-nav,
  .nav-hamburger,
  .scroll-indicator,
  .core-btn,
  footer {
    display: none;
  }

  /* Reset backgrounds for print */
  body,
  section {
    background-color: var(--ca-white);
    color: var(--ca-primary-text);
  }

  /* Ensure links are visible */
  a {
    text-decoration: underline;
    color: var(--ca-primary-text);
  }

  a::after {
    content: " (" attr(href) ")";
    font-size: 0.8rem;
  }

  /* Page breaks */
  section {
    page-break-inside: avoid;
  }

  h1, h2, h3 {
    page-break-after: avoid;
  }

  /* Print-friendly sizing */
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }
}

/* =============================================================================
   UTILITY CLASSES
   ============================================================================= */

.text-center {
  text-align: center;
}

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

.text-right {
  text-align: right;
}

.text-primary {
  color: var(--ca-primary-text);
}

.text-secondary {
  color: var(--ca-secondary-text);
}

.text-muted {
  color: var(--ca-muted-text);
}

.text-accent {
  color: var(--ca-accent);
}

.bg-primary {
  background-color: var(--ca-primary-bg);
}

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

.bg-white {
  background-color: var(--ca-white);
}

.bg-tertiary {
  background-color: var(--ca-tertiary-bg);
}

.rounded-sm {
  border-radius: var(--ca-radius-sm);
}

.rounded-md {
  border-radius: var(--ca-radius-md);
}

.rounded-lg {
  border-radius: var(--ca-radius-lg);
}

.rounded-xl {
  border-radius: var(--ca-radius-xl);
}

.rounded-full {
  border-radius: 50%;
}

.m-0 { margin: 0; }
.m-xs { margin: var(--ca-spacing-xs); }
.m-sm { margin: var(--ca-spacing-sm); }
.m-md { margin: var(--ca-spacing-md); }
.m-lg { margin: var(--ca-spacing-lg); }
.m-xl { margin: var(--ca-spacing-xl); }

.mt-xs { margin-top: var(--ca-spacing-xs); }
.mt-sm { margin-top: var(--ca-spacing-sm); }
.mt-md { margin-top: var(--ca-spacing-md); }
.mt-lg { margin-top: var(--ca-spacing-lg); }
.mt-xl { margin-top: var(--ca-spacing-xl); }

.mb-xs { margin-bottom: var(--ca-spacing-xs); }
.mb-sm { margin-bottom: var(--ca-spacing-sm); }
.mb-md { margin-bottom: var(--ca-spacing-md); }
.mb-lg { margin-bottom: var(--ca-spacing-lg); }
.mb-xl { margin-bottom: var(--ca-spacing-xl); }

.p-0 { padding: 0; }
.p-xs { padding: var(--ca-spacing-xs); }
.p-sm { padding: var(--ca-spacing-sm); }
.p-md { padding: var(--ca-spacing-md); }
.p-lg { padding: var(--ca-spacing-lg); }
.p-xl { padding: var(--ca-spacing-xl); }

.pt-xs { padding-top: var(--ca-spacing-xs); }
.pt-sm { padding-top: var(--ca-spacing-sm); }
.pt-md { padding-top: var(--ca-spacing-md); }
.pt-lg { padding-top: var(--ca-spacing-lg); }
.pt-xl { padding-top: var(--ca-spacing-xl); }

.pb-xs { padding-bottom: var(--ca-spacing-xs); }
.pb-sm { padding-bottom: var(--ca-spacing-sm); }
.pb-md { padding-bottom: var(--ca-spacing-md); }
.pb-lg { padding-bottom: var(--ca-spacing-lg); }
.pb-xl { padding-bottom: var(--ca-spacing-xl); }

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.overflow-hidden {
  overflow: hidden;
}

.shadow-sm {
  box-shadow: var(--ca-shadow-sm);
}

.shadow-md {
  box-shadow: var(--ca-shadow-md);
}

.shadow-lg {
  box-shadow: var(--ca-shadow-lg);
}

.shadow-xl {
  box-shadow: var(--ca-shadow-xl);
}

.opacity-50 {
  opacity: 0.5;
}

.opacity-75 {
  opacity: 0.75;
}

.cursor-pointer {
  cursor: pointer;
}

.cursor-default {
  cursor: default;
}

.no-underline {
  text-decoration: none;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.gap-sm {
  gap: var(--ca-spacing-sm);
}

.gap-md {
  gap: var(--ca-spacing-md);
}

.gap-lg {
  gap: var(--ca-spacing-lg);
}

.justify-between {
  justify-content: space-between;
}

.items-center {
  align-items: center;
}

/* =============================================================================
   OVERRIDES FOR LEGACY style.css (blue/dark theme remnants)
   These rules ensure warm palette on pages that still load style.css
   ============================================================================= */

/* Override blue gradient backgrounds */
.gradient-background-identity {
  background: linear-gradient(135deg, #F7E7DE 0%, #F0D9CC 50%, #F7E7DE 100%) !important;
  animation: none !important;
  color: var(--ca-primary-text);
}

.gradient-background {
  background: linear-gradient(135deg, #F7E7DE 0%, #F0D9CC 50%, #F7E7DE 100%) !important;
  animation: none !important;
}

/* Override dark quote section */
.quote-section {
  background: linear-gradient(135deg, #25140C 0%, #553623 50%, #25140C 100%) !important;
  animation: none !important;
}

/* Override white-on-dark text for warm theme */
.gradient-background-identity p,
.gradient-background-identity h2,
.gradient-background-identity h3,
.gradient-background-identity h5,
.gradient-background-identity .book-title,
.gradient-background-identity .book-description,
.gradient-background-identity .book-publisher {
  color: var(--ca-primary-text) !important;
}

.gradient-background-identity .paper-title {
  color: var(--ca-primary-text) !important;
  font-family: var(--ca-font-display);
  font-weight: 600;
}

.gradient-background-identity .paper-authors,
.gradient-background-identity .paper-journal {
  color: var(--ca-secondary-text) !important;
}

.gradient-background-identity .paper-doi {
  color: var(--ca-accent) !important;
}

/* Override transparent cards to solid warm cards */
.gradient-background-identity .card,
.gradient-background-identity .book-card {
  background-color: var(--ca-secondary-bg) !important;
  border: 1px solid var(--ca-border-light) !important;
  border-radius: 12px;
  box-shadow: var(--ca-shadow-md);
  backdrop-filter: none;
}

.gradient-background-identity .card.shadow-sm {
  box-shadow: var(--ca-shadow-md) !important;
}

/* Override old font classes */
.old-standard-tt-regular,
.old-standard-tt-bold,
.old-standard-tt-regular-italic {
  font-family: var(--ca-font-display) !important;
}

/* Override blue link colors */
.gradient-background-identity a {
  color: var(--ca-accent);
}

.gradient-background-identity a:hover {
  color: var(--ca-accent-dark);
}

/* Override dark table header */
.gradient-background-identity th {
  background-color: var(--ca-tertiary-bg) !important;
  color: var(--ca-primary-text) !important;
}

.gradient-background-identity td {
  color: var(--ca-primary-text) !important;
}

.gradient-background-identity .category {
  background-color: var(--ca-tertiary-bg) !important;
  color: var(--ca-primary-text) !important;
}

/* Override style.css global white paragraph text and blue link colors */
.core-body p {
  color: var(--ca-primary-text);
}

.core-body a {
  color: var(--ca-accent);
  font-weight: 500;
}

.core-body a:hover {
  color: var(--ca-accent-dark);
}

.core-body a:focus {
  outline-color: var(--ca-accent);
}

.core-body h3 {
  color: var(--ca-primary-text);
}

/* Override style.css card transparent bg for warm pages */
.core-body .card {
  background-color: var(--ca-secondary-bg) !important;
  border: 1px solid var(--ca-border-light) !important;
}

.core-body .card.shadow-sm {
  box-shadow: var(--ca-shadow-md) !important;
}

.core-body .card-text {
  color: var(--ca-secondary-text);
}

/* Override style.css dark table header */
.core-body th {
  background-color: var(--ca-tertiary-bg) !important;
  color: var(--ca-primary-text) !important;
}

.core-body td {
  color: var(--ca-primary-text) !important;
}

/* Override style.css nav-tabs for warm theme */
.core-body .nav-tabs .nav-link {
  color: var(--ca-secondary-text);
  background: var(--ca-tertiary-bg);
}

.core-body .nav-tabs .nav-link.active {
  background: var(--ca-secondary-bg);
  color: var(--ca-primary-text);
}

/* Override style.css .link-button blue */
.core-body .link-button {
  background-color: var(--ca-accent);
  color: #fff;
}

.core-body .link-button:hover {
  background-color: var(--ca-accent-dark);
}

/* Override style.css bucket-card glass style */
.core-body .bucket-card {
  background-color: var(--ca-secondary-bg) !important;
  border: 1px solid var(--ca-border-light) !important;
  backdrop-filter: none;
}

/* Override style.css identity table */
.core-body .identitytable-container {
  background: var(--ca-secondary-bg);
  border: 1px solid var(--ca-border-light);
  backdrop-filter: none;
}

.core-body .like {
  background-color: #d4edda !important;
  color: #155724 !important;
}

.core-body .dislike {
  background-color: #f8d7da !important;
  color: #721c24 !important;
}

.core-body .category {
  background-color: var(--ca-tertiary-bg) !important;
  color: var(--ca-primary-text) !important;
}

/* Disable dark mode overrides from style.css when using warm theme */
@media (prefers-color-scheme: dark) {
  .core-body a {
    color: var(--ca-accent);
  }
  .core-body a:hover {
    color: var(--ca-accent-dark);
  }
  .core-body .link-button {
    background-color: var(--ca-accent);
  }
  .core-body .link-button:hover {
    background-color: var(--ca-accent-dark);
  }
}

/* =============================================================================
   END OF STYLESHEET
   ============================================================================= */