/* ==========================================
   DESIGN SYSTEM & VARIABLES
   ========================================== */
:root {
  /* Fonts */
  --font-heading: 'Cinzel', serif;
  --font-body: 'Outfit', sans-serif;

  /* Theme: Dark (Default) */
  --color-bg-base: #0a0a0d;
  --color-bg-surface: rgba(18, 18, 24, 0.7);
  --color-bg-card: rgba(30, 30, 40, 0.4);
  --color-border: rgba(212, 163, 89, 0.15);
  
  --color-text-primary: #f2ede4;
  --color-text-secondary: #b5aeb0;
  --color-text-muted: #7d7779;
  
  /* Brand Accents */
  --color-accent-terracotta: #d35400; /* Rich clay */
  --color-accent-gold: #d4a373; /* Antique gold */
  --color-accent-gold-glow: rgba(212, 163, 115, 0.35);
  
  /* Shadow & Blur */
  --shadow-premium: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --blur-amount: 12px;
  --transition-speed: 0.3s;
}

/* Light Theme overrides */
body.light-theme {
  --color-bg-base: #f9f6f0; /* Sand background */
  --color-bg-surface: rgba(255, 255, 255, 0.75);
  --color-bg-card: rgba(245, 239, 228, 0.6);
  --color-border: rgba(160, 110, 60, 0.2);
  
  --color-text-primary: #2c2523;
  --color-text-secondary: #5c524f;
  --color-text-muted: #8e807b;
  
  --color-accent-gold: #b07d4c;
  --color-accent-gold-glow: rgba(176, 125, 76, 0.2);
  --shadow-premium: 0 8px 32px 0 rgba(160, 110, 60, 0.1);
}

/* ==========================================
   BASE & RESET
   ========================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* ==========================================
   AMBIENT BACKGROUNDS
   ========================================== */
.bg-gradient-glow {
  position: fixed;
  top: -20%;
  left: -20%;
  width: 140%;
  height: 140%;
  z-index: -2;
  background: radial-gradient(
    circle at 30% 30%, 
    rgba(211, 84, 0, 0.08) 0%, 
    rgba(212, 163, 115, 0.05) 30%, 
    rgba(10, 10, 13, 0) 70%
  );
  pointer-events: none;
}

body.light-theme .bg-gradient-glow {
  background: radial-gradient(
    circle at 30% 30%, 
    rgba(211, 84, 0, 0.05) 0%, 
    rgba(212, 163, 115, 0.03) 40%, 
    rgba(249, 246, 240, 0) 80%
  );
}

.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image: 
    linear-gradient(rgba(212, 163, 89, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 163, 89, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* ==========================================
   PREMIUM GLASSMORPHISM
   ========================================== */
.glass-nav {
  background: var(--color-bg-surface);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.05);
}

.glass-card {
  background: var(--color-bg-surface);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-premium);
  border-radius: 16px;
}

/* ==========================================
   NAVIGATION
   ========================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: padding var(--transition-speed) ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
  cursor: pointer;
}

.logo-icon {
  color: var(--color-accent-gold);
  font-size: 1.75rem;
}

.logo-highlight {
  color: var(--color-accent-terracotta);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent-gold);
  transform: translateY(-1px);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.action-btn {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-speed) ease;
}

.action-btn:hover {
  background: var(--color-accent-gold-glow);
  border-color: var(--color-accent-gold);
  transform: scale(1.05);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem 4rem;
  position: relative;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  z-index: 10;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(212, 163, 115, 0.12);
  border: 1px solid var(--color-accent-gold);
  color: var(--color-accent-gold);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 2rem;
  animation: pulse 3s infinite;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-terracotta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-weight: 300;
}

/* SEARCH WRAPPER */
.search-wrapper {
  max-width: 650px;
  margin: 0 auto;
  padding: 0.5rem;
  border-radius: 50px;
  transition: box-shadow var(--transition-speed) ease;
}

.search-wrapper:focus-within {
  box-shadow: 0 0 25px 0 var(--color-accent-gold-glow);
}

.search-box {
  display: flex;
  align-items: center;
  padding: 0.5rem 1.5rem;
  position: relative;
}

.search-icon {
  color: var(--color-accent-gold);
  font-size: 1.25rem;
  margin-right: 1rem;
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 1.05rem;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  width: 100%;
}

.search-box input::placeholder {
  color: var(--color-text-muted);
}

.clear-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.2rem;
  transition: color 0.2s;
}

.clear-btn:hover {
  color: var(--color-accent-terracotta);
}

/* ==========================================
   CONTENT SECTIONS
   ========================================== */
.content-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.alternate-bg {
  background: rgba(30, 30, 40, 0.15);
  max-width: 100%;
  padding-left: 0;
  padding-right: 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  margin-bottom: 1rem;
  color: var(--color-text-primary);
}

.section-desc {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 300;
}

/* ==========================================
   FILTER TABS
   ========================================== */
.filter-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-speed) ease;
}

.filter-btn:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
  color: #2c2523;
  font-weight: 600;
}

/* ==========================================
   CARDS GRID (NOTES)
   ========================================== */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.note-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  cursor: pointer;
}

.note-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px 0 rgba(0, 0, 0, 0.45);
  border-color: var(--color-accent-gold);
}

body.light-theme .note-card:hover {
  box-shadow: 0 16px 40px 0 rgba(160, 110, 60, 0.2);
}

.note-card-image {
  height: 200px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.note-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 40%, rgba(10, 10, 13, 0.9));
}

body.light-theme .note-card-overlay {
  background: linear-gradient(to bottom, transparent 40%, rgba(249, 246, 240, 0.9));
}

.note-category-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(10, 10, 13, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-accent-gold);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.note-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.note-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.note-card-snippet {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.read-more-link {
  color: var(--color-accent-gold);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.85rem;
}

.read-more-link i {
  transition: transform 0.2s;
}

.note-card:hover .read-more-link i {
  transform: translateX(3px);
}

/* Empty search state */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-secondary);
}

.no-results i {
  font-size: 3rem;
  color: var(--color-accent-gold);
  margin-bottom: 1rem;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  padding: 3rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}

.about-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.about-content p {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  color: var(--color-accent-gold);
  font-weight: 700;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  color: rgba(212, 163, 115, 0.08);
}

.giant-icon {
  font-size: 12rem;
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-base);
  padding: 4rem 2rem 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: inline-block;
}

.footer-info p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ==========================================
   DETAIL SLIDE-OUT DRAWER
   ========================================== */
.detail-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.detail-drawer.open {
  opacity: 1;
  visibility: visible;
}

.drawer-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 13, 0.7);
  backdrop-filter: blur(4px);
}

.drawer-content {
  position: absolute;
  top: 0;
  right: -550px;
  width: 100%;
  max-width: 550px;
  height: 100%;
  border-radius: 0;
  border-left: 1px solid var(--color-border);
  border-top: none;
  border-bottom: none;
  overflow-y: auto;
  padding: 3rem 2rem;
  z-index: 1010;
  transition: right 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.detail-drawer.open .drawer-content {
  right: 0;
}

.close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.close-btn:hover {
  background: var(--color-accent-terracotta);
  color: white;
  border-color: var(--color-accent-terracotta);
}

.drawer-body h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: var(--color-text-primary);
  line-height: 1.3;
}

.drawer-meta {
  display: flex;
  gap: 1rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
}

.drawer-meta span i {
  color: var(--color-accent-gold);
  margin-right: 0.35rem;
}

.drawer-image {
  height: 250px;
  background-size: cover;
  background-position: center;
  border-radius: 12px;
  margin-bottom: 2rem;
  border: 1px solid var(--color-border);
}

.drawer-text {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
}

.drawer-text p {
  margin-bottom: 1.5rem;
}

.drawer-text h4 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-accent-gold);
}

.drawer-text ul, .drawer-text ol {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.drawer-text li {
  margin-bottom: 0.5rem;
}

/* ==========================================
   ACADEMIC CABINET (MSGSÜ KİTAPLIĞI)
   ========================================== */
.cabinet-container {
  padding: 3rem;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  background: linear-gradient(180deg, rgba(30, 30, 40, 0.5) 0%, rgba(20, 20, 25, 0.8) 100%);
  border: 1px solid var(--color-border);
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.6), var(--shadow-premium);
}

body.light-theme .cabinet-container {
  background: linear-gradient(180deg, rgba(245, 239, 228, 0.7) 0%, rgba(235, 225, 210, 0.9) 100%);
  border: 1px solid var(--color-border);
  box-shadow: inset 0 0 20px rgba(160, 110, 60, 0.15), var(--shadow-premium);
}

.cabinet-shelf {
  border-bottom: 8px solid #5c4033; /* Dark mahogany shelf look */
  padding-bottom: 1.5rem;
  box-shadow: 0 10px 15px -5px rgba(0, 0, 0, 0.5);
}

body.light-theme .cabinet-shelf {
  border-bottom: 8px solid #8b5a2b;
  box-shadow: 0 10px 15px -5px rgba(160, 110, 60, 0.2);
}

.cabinet-folders {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.cabinet-folder {
  position: relative;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.folder-tab {
  background: var(--color-accent-terracotta);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 1rem;
  border-radius: 8px 8px 0 0;
  display: inline-block;
  width: fit-content;
  margin-left: 1rem;
  box-shadow: 0 -2px 5px rgba(0,0,0,0.1);
  letter-spacing: 0.5px;
}

.cabinet-folder:nth-child(2) .folder-tab {
  background: var(--color-accent-gold);
  color: #2c2523;
}

.cabinet-folder:nth-child(3) .folder-tab {
  background: #2e7d32; /* Academic green */
}

.cabinet-folder:nth-child(4) .folder-tab {
  background: #1565c0; /* Academic blue */
}

.folder-body {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 0 12px 12px 12px;
  padding: 1.5rem;
  height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: all 0.35s ease;
}

.folder-icon {
  font-size: 2.5rem;
  color: var(--color-accent-gold);
  transition: transform 0.3s ease;
}

.cabinet-folder:nth-child(1) .folder-icon { color: var(--color-accent-terracotta); }
.cabinet-folder:nth-child(2) .folder-icon { color: var(--color-accent-gold); }
.cabinet-folder:nth-child(3) .folder-icon { color: #2e7d32; }
.cabinet-folder:nth-child(4) .folder-icon { color: #1565c0; }

.folder-body h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-top: 0.5rem;
  color: var(--color-text-primary);
}

.folder-body p {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
  margin-top: 0.25rem;
  flex-grow: 1;
}

.folder-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 0.5rem;
  margin-top: 0.5rem;
}

/* Cabinet folder hover states */
.cabinet-folder:hover {
  transform: translateY(-8px);
}

.cabinet-folder:hover .folder-body {
  border-color: var(--color-text-primary);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
  background: rgba(255, 255, 255, 0.04);
}

.cabinet-folder:hover .folder-icon {
  transform: rotate(-10deg) scale(1.1);
}

/* Cabinet Lecture list in Modal */
.cabinet-modal-content {
  background: rgba(20, 20, 25, 0.95);
  border-left: 2px solid var(--color-accent-gold);
}

body.light-theme .cabinet-modal-content {
  background: rgba(245, 239, 228, 0.98);
  border-left: 2px solid var(--color-accent-gold);
}

.drawer-subtitle {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.msgsu-lectures-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.lecture-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.25rem;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lecture-item:hover {
  border-color: var(--color-accent-gold);
  background: var(--color-accent-gold-glow);
  transform: translateX(4px);
}

.lecture-item-icon {
  font-size: 1.5rem;
  color: var(--color-accent-gold);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 163, 115, 0.1);
  border-radius: 6px;
}

.lecture-item-info {
  flex-grow: 1;
}

.lecture-item-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.lecture-item-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: flex;
  gap: 1rem;
}

/* Era Badges */
.badge-prehistory {
  background: rgba(211, 84, 0, 0.2) !important;
  border: 1px solid var(--color-accent-terracotta) !important;
  color: #ffaa66 !important;
}

body.light-theme .badge-prehistory {
  color: var(--color-accent-terracotta) !important;
  background: rgba(211, 84, 0, 0.1) !important;
}

.badge-protohistory {
  background: rgba(46, 204, 113, 0.15) !important;
  border: 1px solid #2ecc71 !important;
  color: #2ecc71 !important;
}

body.light-theme .badge-protohistory {
  color: #27ae60 !important;
  background: rgba(46, 204, 113, 0.08) !important;
  border-color: #27ae60 !important;
}

.badge-classical {
  background: rgba(52, 152, 219, 0.15) !important;
  border: 1px solid #3498db !important;
  color: #5dade2 !important;
}

body.light-theme .badge-classical {
  color: #2980b9 !important;
  background: rgba(52, 152, 219, 0.08) !important;
  border-color: #2980b9 !important;
}

/* ==========================================
   ANIMATIONS & RESPONSIVENESS
   ========================================== */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(212, 163, 115, 0.4);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(212, 163, 115, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(212, 163, 115, 0);
  }
}

/* Responsive CSS */
@media (max-width: 900px) {
  .about-container {
    grid-template-columns: 1fr;
    padding: 2rem;
  }
  .about-visual {
    display: none;
  }
  .hero-title {
    font-size: 2.75rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Can implement mobile toggle drawer if needed */
  }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-bg-base);
    padding: 2rem;
    border-bottom: 1px solid var(--color-border);
    gap: 1.5rem;
    box-shadow: var(--shadow-premium);
  }
  .mobile-only {
    display: flex;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .drawer-content {
    max-width: 100%;
    padding: 3rem 1.5rem;
  }
}

.mobile-only {
  display: none;
}