/* ============================================================
   CSS VARIABLES & THEMES — Glassmorphism Visible in Light Mode
   ============================================================ */

:root {
  /* ===== Light Theme ===== */
  /* Glass is now MORE transparent so you see the background through it */
  --color-bg-glass: rgba(255, 255, 255, 0.52);
  --color-border-glass: rgba(0, 0, 0, 0.06);
  --color-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  --color-glass-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.12);
  
  /* Background with subtle pattern for glass to "catch" */
  --color-bg: #f0f0f2;
  
  /* Text colors — high contrast for readability */
  --color-text-primary: #0a0a0c;
  --color-text-secondary: #3a3a3e;
  --color-text-muted: #5c5c62;
  
  --color-accent: #007aff;
  --color-accent-light: rgba(0, 122, 255, 0.10);
  --color-border: rgba(0, 0, 0, 0.06);
  
  /* Glass glow for light mode — subtle colored light bleeding through */
  --color-glass-glow-1: rgba(0, 122, 255, 0.04);
  --color-glass-glow-2: rgba(88, 86, 214, 0.03);
  
  --radius-card: 16px;
  --radius-button: 10px;
  --radius-badge: 100px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 40px;
  --spacing-xxl: 64px;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* ===== Transitions ===== */
  --transition-theme: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-hover: 0.2s cubic-bezier(0.25, 1.25, 0.5, 1);
  --transition-spring: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  
  --max-width: 1200px;
  --header-height: 72px;
}

/* ============================================================
   DARK THEME (Manual Class Only)
   ============================================================ */

.dark {
  --color-bg-glass: rgba(255, 255, 255, 0.06);
  --color-border-glass: rgba(255, 255, 255, 0.10);
  --color-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.60);
  --color-glass-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.80);
  
  --color-bg: #0b0b0f;
  --color-text-primary: #f5f5f7;
  --color-text-secondary: #86868b;
  --color-text-muted: #636366;
  --color-accent: #0a84ff;
  --color-accent-light: rgba(10, 132, 255, 0.15);
  --color-border: rgba(255, 255, 255, 0.06);
  --color-glass-glow-1: rgba(10, 132, 255, 0.03);
  --color-glass-glow-2: rgba(139, 92, 246, 0.02);
}

/* ============================================================
   BASE & BACKGROUND — with subtle pattern for glass to "catch"
   ============================================================ */

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

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

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

/* ===== SUBTLE BACKGROUND PATTERN for glass to catch light ===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    /* Soft blue glow on the left */
    radial-gradient(ellipse 600px 600px at 10% 50%, var(--color-glass-glow-1) 0%, transparent 70%),
    /* Purple glow on the right */
    radial-gradient(ellipse 500px 500px at 90% 30%, var(--color-glass-glow-2) 0%, transparent 70%),
    /* Small accent glow near bottom */
    radial-gradient(ellipse 400px 400px at 50% 80%, var(--color-glass-glow-1) 0%, transparent 70%),
    /* Subtle grid pattern for texture */
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent calc(100% - 1px),
      rgba(0, 0, 0, 0.015) calc(100% - 1px),
      rgba(0, 0, 0, 0.015) 100%
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent calc(100% - 1px),
      rgba(0, 0, 0, 0.015) calc(100% - 1px),
      rgba(0, 0, 0, 0.015) 100%
    );
  background-size: 100% 100%, 100% 100%, 100% 100%, 60px 60px, 60px 60px;
  transition: background var(--transition-theme);
}

/* Dark mode background pattern */
.dark body::before {
  background:
    radial-gradient(ellipse 600px 600px at 10% 50%, rgba(10, 132, 255, 0.04) 0%, transparent 70%),
    radial-gradient(ellipse 500px 500px at 90% 30%, rgba(139, 92, 246, 0.03) 0%, transparent 70%),
    radial-gradient(ellipse 400px 400px at 50% 80%, rgba(10, 132, 255, 0.03) 0%, transparent 70%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent calc(100% - 1px),
      rgba(255, 255, 255, 0.01) calc(100% - 1px),
      rgba(255, 255, 255, 0.01) 100%
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent calc(100% - 1px),
      rgba(255, 255, 255, 0.01) calc(100% - 1px),
      rgba(255, 255, 255, 0.01) 100%
    );
  background-size: 100% 100%, 100% 100%, 100% 100%, 60px 60px, 60px 60px;
}

/* ============================================================
   CONTAINER — sits above background pattern
   ============================================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.section-padding {
  padding: var(--spacing-xxl) 0;
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 0.2rem 0.8rem;
  border-radius: var(--radius-badge);
  margin-bottom: var(--spacing-sm);
  border: 1px solid transparent;
  transition:
    background-color var(--transition-theme),
    color var(--transition-theme),
    border-color var(--transition-theme);
}

.section-heading {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.section-description-h, .section-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  line-height: 1.7;
  transition: color var(--transition-theme);
  
  text-align: left;
  margin: 0; /* Keeps the block aligned to the left side of your container */
}

.section-header {
  margin-bottom: var(--spacing-xl);
}

/* ============================================================
   PREMIUM GLASSMORPHISM — VISIBLE in light mode!
   ============================================================ */

.glass-card {
  background: var(--color-bg-glass);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-card);
  box-shadow: var(--color-glass-shadow);
  position: relative;
  overflow: hidden;
  
  /* ===== SMOOTH THEME SWITCH + SNAPPY HOVER ===== */
  transition:
    background-color var(--transition-theme),
    border-color var(--transition-theme),
    box-shadow var(--transition-theme),
    transform var(--transition-hover),
    box-shadow var(--transition-hover);
  
  will-change: transform, box-shadow, background-color;
}

/* ===== GLASS SHIMMER — makes glass "glow" in light mode ===== */
.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.0) 60%);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.7;
  transition: opacity var(--transition-theme);
}

/* ===== GLASS INNER GLOW — adds depth ===== */
.glass-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
  background: radial-gradient(ellipse at 30% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
  pointer-events: none;
  opacity: 0.5;
  transition: opacity var(--transition-theme);
}

/* Dark mode glass shimmer */
.dark .glass-card::before {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.0) 60%);
  opacity: 0.8;
}

.dark .glass-card::after {
  background: radial-gradient(ellipse at 30% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 60%);
  opacity: 0.3;
}

/* ===== SNAPPY HOVER ===== */
.glass-card:hover {
  transform: translateY(-6px) scale(1.015);
  box-shadow: var(--color-glass-shadow-hover);
  border-color: var(--color-accent);
}

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

.glass-card:hover::after {
  opacity: 0.8;
}

/* ============================================================
   BUTTONS & BADGES
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-button);
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  background: var(--color-bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-text-primary);
  border-color: var(--color-border-glass);
  
  transition:
    background-color var(--transition-theme),
    border-color var(--transition-theme),
    color var(--transition-theme),
    transform var(--transition-hover),
    box-shadow var(--transition-hover);
  
  will-change: transform, background-color;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 122, 255, 0.4);
  background: #0066d9;
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.btn-secondary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ============================================================
   NAVIGATION
   ============================================================ */

/* ============================================================
   HEADER FIX — High Specificity Override
   ============================================================ */

/* Force header to touch top and stretch full width */
html,
body {
  margin: 0 !important;
  padding: 0 !important;
}

.site-header {
  position: sticky !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  z-index: 1000 !important;
  height: 72px !important;
  padding: 0 !important;
  margin: 0 !important;
  background: var(--color-bg-glass) !important;
  backdrop-filter: blur(20px) saturate(190%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(190%) !important;
  border-bottom: 1px solid var(--color-border-glass) !important;
  box-sizing: border-box !important;
  display: flex !important;
  align-items: center !important;
}

/* Inner container */
.site-header .header-inner {
  max-width: var(--max-width, 1200px) !important;
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  padding: 0 24px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  box-sizing: border-box !important;
}

/* Logo */
.site-header .logo {
  display: flex !important;
  align-items: center !important;
  flex-shrink: 0 !important;
}

.site-header .logo a {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  text-decoration: none !important;
  color: var(--color-text-primary) !important;
  font-weight: 700 !important;
  font-size: 1.1rem !important;
}

/* Navigation */
.site-header .nav-primary {
  display: flex !important;
  align-items: center !important;
  height: 100% !important;
}

.site-header .nav-list {
  display: flex !important;
  align-items: center !important;
  gap: 40px !important;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
  height: 100% !important;
}

.site-header .nav-list li {
  display: flex !important;
  align-items: center !important;
  height: 100% !important;
}

.site-header .nav-link {
  font-size: 0.85rem !important;
  font-weight: 500 !important;
  color: var(--color-text-secondary) !important;
  text-decoration: none !important;
  padding: 0.3rem 0 !important;
  position: relative !important;
  transition: color 0.3s ease !important;
}

.site-header .nav-link::after {
  content: '' !important;
  position: absolute !important;
  bottom: 0 !important;
  left: 0 !important;
  width: 0 !important;
  height: 2px !important;
  background: var(--color-accent) !important;
  transition: width 0.3s ease !important;
}

.site-header .nav-link:hover::after,
.site-header .nav-link.active::after {
  width: 100% !important;
}

/* ===== HEADER ACTIONS — KEY FIX ===== */
.site-header .header-actions {
  display: flex !important;
  align-items: center !important;     /* VERTICAL CENTER */
  justify-content: center !important;
  gap: 8px !important;
  height: 100% !important;           /* FILL HEADER HEIGHT */
  flex-shrink: 0 !important;
}

/* ===== THEME TOGGLE — PERFECTLY CENTERED ===== */
.site-header .theme-toggle {
  width: 38px !important;
  height: 38px !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: var(--color-bg-glass) !important;
  backdrop-filter: blur(8px) !important;
  border: 1px solid var(--color-border-glass) !important;
  color: var(--color-text-secondary) !important;
  font-size: 1.1rem !important;
  cursor: pointer !important;
  padding: 0 !important;
  margin: -0.5rem !important;
  flex-shrink: 0 !important;
  transition: all 0.2s ease !important;
}

.site-header .theme-toggle:hover {
  background: var(--color-accent-light) !important;
  color: var(--color-accent) !important;
  transform: rotate(12deg) scale(1.05) !important;
}

/* ===== MOBILE NAV TOGGLE ===== */
.site-header .nav-toggle {
  display: none !important;
  flex-direction: column !important;
  gap: 5px !important;
  padding: 8px !important;
  background: var(--color-bg-glass) !important;
  border: 1px solid var(--color-border-glass) !important;
  border-radius: 10px !important;
  cursor: pointer !important;
  height: 38px !important;
  width: 38px !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
}

.site-header .nav-toggle:hover {
  background: var(--color-accent-light) !important;
}

.site-header .hamburger-line {
  display: block !important;
  width: 18px !important;
  height: 2px !important;
  background: var(--color-text-primary) !important;
  border-radius: 2px !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .site-header .nav-primary {
    display: none !important;
  }
  .site-header .nav-toggle {
    display: flex !important;
  }
}

/* ============================================================
   MOBILE NAVIGATION OVERLAY
   ============================================================ */

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--color-bg-glass);
  backdrop-filter: blur(40px) saturate(200%);
  -webkit-backdrop-filter: blur(40px) saturate(200%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.4s var(--transition-spring),
    visibility 0.4s var(--transition-spring),
    background-color var(--transition-theme);
}

.nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.nav-overlay-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  text-align: center;
}

.nav-overlay-link {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.nav-overlay-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  font-size: 2rem;
  color: var(--color-text-secondary);
  padding: var(--spacing-sm);
  cursor: pointer;
  background: none;
  border: none;
  transition:
    transform 0.3s var(--transition-spring),
    color var(--transition-theme);
}

.nav-overlay-close:hover {
  transform: rotate(90deg) scale(1.1);
  color: var(--color-text-primary);
}

/* ============================================================
   SCROLL PROGRESS
   ============================================================ */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 9999;
  background: transparent;
  pointer-events: none;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--color-accent);
  border-radius: 0 4px 4px 0;
  transition: width 0.1s linear, background-color var(--transition-theme);
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.section-hero {
  padding: var(--spacing-xl) 0 var(--spacing-xxl);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 0.3rem 1rem;
  border-radius: var(--radius-badge);
  width: fit-content;
  border: 1px solid var(--color-border-glass);
  transition:
    background-color var(--transition-theme),
    color var(--transition-theme),
    border-color var(--transition-theme);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-heading {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.hero-greeting {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: color var(--transition-theme);
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  background: linear-gradient(135deg, var(--color-accent), #5856d6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: background var(--transition-theme);
}

.hero-description {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 480px;
  line-height: 1.8;
  transition: color var(--transition-theme);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
}

.hero-scroll-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: color var(--transition-theme);
}

.scroll-line {
  display: block;
  width: 32px;
  height: 2px;
  background: var(--color-border);
  border-radius: 4px;
  position: relative;
  transition: background-color var(--transition-theme);
}

.scroll-dot {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  animation: scroll-bounce 2.4s infinite;
  transition: background-color var(--transition-theme);
}

@keyframes scroll-bounce {
  0%, 100% { left: 0; }
  50% { left: calc(100% - 6px); }
}

/* Hero Visuals */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 122, 255, 0.12), transparent 70%);
  pointer-events: none;
  animation: glow-pulse 6s infinite alternate;
  transition: background-color var(--transition-theme);
}

@keyframes glow-pulse {
  0% { transform: scale(0.9); opacity: 0.5; }
  100% { transform: scale(1.2); opacity: 1; }
}

.floating-card {
  position: absolute;
  background: var(--color-bg-glass);
  backdrop-filter: blur(16px) saturate(190%);
  -webkit-backdrop-filter: blur(16px) saturate(190%);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-card);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--color-glass-shadow);
  min-width: 150px;
  
  transition:
    background-color var(--transition-theme),
    border-color var(--transition-theme),
    box-shadow var(--transition-theme),
    transform var(--transition-hover),
    box-shadow var(--transition-hover);
  
  will-change: transform;
}

.floating-card i {
  font-size: 1.4rem;
  color: var(--color-accent);
  transition: color var(--transition-theme);
}

.floating-card span {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.floating-card small {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: block;
  transition: color var(--transition-theme);
}

.floating-card-1 {
  top: 10%;
  left: 5%;
  animation: float-orbit-1 6s ease-in-out infinite;
}

.floating-card-2 {
  top: 60%;
  right: 8%;
  animation: float-orbit-2 7s ease-in-out infinite reverse;
}

.floating-card-3 {
  bottom: 15%;
  left: 30%;
  animation: float-orbit-3 5.5s ease-in-out infinite 0.5s;
}

@keyframes float-orbit-1 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(8px, -12px) rotate(1deg); }
  75% { transform: translate(-6px, 10px) rotate(-1deg); }
}

@keyframes float-orbit-2 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(-10px, -8px) rotate(-1deg); }
  75% { transform: translate(8px, 12px) rotate(1deg); }
}

@keyframes float-orbit-3 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(6px, 10px) rotate(1deg); }
  75% { transform: translate(-8px, -12px) rotate(-1deg); }
}

.floating-card:hover {
  transform: translateY(-6px) scale(1.04);
  box-shadow: var(--color-glass-shadow-hover);
  border-color: var(--color-accent);
}

/* ============================================================
   ABOUT
   ============================================================ */

.section-about {
  padding: var(--spacing-xxl) 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-theme);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-md);
}

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

.stat-number {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.stat-letter {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
  display: inline;
  line-height: normal;
}

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

.about-card {
  padding: var(--spacing-xl);
}

.about-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

.about-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.about-focus-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.about-focus-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-theme);
}

.focus-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  transition: background-color var(--transition-theme);
}

/* ============================================================
   DASHBOARD — BENTO GRID
   ============================================================ */

.section-dashboard {
  padding: var(--spacing-xxl) 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-theme);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.bento-card {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.bento-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: var(--color-accent-light);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

.bento-content {
  flex: 1;
}

.bento-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.bento-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition-theme);
}

.bento-arrow {
  display: inline-flex;
  margin-top: var(--spacing-md);
  color: var(--color-text-muted);
  opacity: 0.6;
  transition:
    color var(--transition-theme),
    transform var(--transition-hover),
    opacity var(--transition-hover);
}

.bento-card:hover .bento-arrow {
  transform: translateX(6px);
  color: var(--color-accent);
  opacity: 1;
}

/* Icon variants */
.bento-icon-notes { background: #dbeafe; color: #2563eb; }
.bento-icon-music { background: #fce7f3; color: #db2777; }
.bento-icon-projects { background: #d1fae5; color: #059669; }
.bento-icon-resources { background: #ede9fe; color: #7c3aed; }
.bento-icon-files { background: #fef3c7; color: #d97706; }
.bento-icon-downloads { background: #e0f2fe; color: #0284c7; }

.dark .bento-icon-notes { background: #1e3a5f; color: #60a5fa; }
.dark .bento-icon-music { background: #4c1d3b; color: #f472b6; }
.dark .bento-icon-projects { background: #064e3b; color: #34d399; }
.dark .bento-icon-resources { background: #2e1065; color: #a78bfa; }
.dark .bento-icon-files { background: #713f12; color: #fbbf24; }
.dark .bento-icon-downloads { background: #0c4a6e; color: #38bdf8; }

/* ============================================================
   STUDY NOTES
   ============================================================ */

.section-notes {
  padding: var(--spacing-xxl) 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-theme);
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.note-card {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
}

.note-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.7rem;
  border-radius: var(--radius-badge);
  background: var(--color-accent-light);
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  width: fit-content;
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

.note-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.note-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex: 1;
  transition: color var(--transition-theme);
}

.note-card-bottom {
  margin-top: var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.note-progress {
  flex: 1;
  margin-right: var(--spacing-md);
}

.note-progress-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 4px;
  transition: color var(--transition-theme);
}

.note-progress-track {
  width: 100%;
  height: 4px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition: background-color var(--transition-theme);
}

.note-progress-fill {
  display: block;
  height: 100%;
  background: var(--color-accent);
  border-radius: 4px;
  transition: width 0.8s var(--transition-spring), background-color var(--transition-theme);
}

.note-progress-value {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-left: var(--spacing-sm);
  transition: color var(--transition-theme);
}

.note-open {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-theme), transform var(--transition-hover);
}

.note-open:hover {
  color: var(--color-accent);
}

.note-open i {
  transition: transform var(--transition-hover);
}

.note-open:hover i {
  transform: translateX(4px);
}

/* ============================================================
   REVISION PLANS
   ============================================================ */

.section-revision {
  padding: var(--spacing-xxl) 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-theme);
}

.revision-dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.revision-stats {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.revision-stat {
  padding: var(--spacing-lg);
}

.revision-stat-number {
  font-size: 2.8rem;
  font-weight: 700;
  display: block;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.revision-stat-letter {
  font-size: 2rem;
  font-weight: 700;
  display: block;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.revision-stat-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-theme);
}

.revision-stat-bar {
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  transition: background-color var(--transition-theme);
}

.revision-stat-fill {
  display: block;
  height: 100%;
  background: var(--color-accent);
  border-radius: 6px;
  transition: width 1s var(--transition-spring), background-color var(--transition-theme);
}

.revision-timeline {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition-theme);
}

.timeline-item:last-child {
  border-bottom: none;
}

.timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background-color var(--transition-theme);
}

.timeline-dot.complete { background: #34c759; }
.timeline-dot.in-progress { background: #ff9500; animation: pulse-dot 1.8s infinite; }
.timeline-dot.pending { background: var(--color-border); }

.timeline-content {
  display: flex;
  justify-content: space-between;
  flex: 1;
  align-items: center;
}

.timeline-label {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.timeline-status {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  transition: color var(--transition-theme);
}

/* ============================================================
   PROJECTS
   ============================================================ */

.section-projects {
  padding: var(--spacing-xxl) 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-theme);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.project-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-card-image {
  height: 180px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  opacity: 0;
  transition: opacity 0.3s var(--transition-spring);
}

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

.project-link {
  background: rgba(255, 255, 255, 0.95);
  color: #1d1d1f;
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-button);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
  transition: all 0.2s ease;
}

.project-link:hover {
  background: var(--color-accent);
  color: #fff;
}

.project-card-body {
  padding: var(--spacing-lg);
  flex: 1;
}

.project-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.project-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  transition: color var(--transition-theme);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tech-badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-badge);
  background: var(--color-accent-light);
  color: var(--color-accent);
  letter-spacing: 0.02em;
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

/* ============================================================
   MUSIC
   ============================================================ */

.section-music {
  padding: var(--spacing-xxl) 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-theme);
}

.music-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.music-card {
  overflow: hidden;
}

.music-artwork {
  height: 160px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.music-play {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  opacity: 0;
  transform: scale(0.8) rotate(-10deg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s var(--transition-spring);
}

.music-card:hover .music-play {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.music-waveform {
  position: absolute;
  bottom: var(--spacing-md);
  left: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: 2px;
  height: 20px;
  opacity: 0.5;
}

.music-waveform span {
  display: block;
  width: 3px;
  background: #fff;
  border-radius: 4px;
  height: 8px;
  transition: height 0.2s ease;
}

.music-card:hover .music-waveform span {
  animation: waveform 1.2s infinite alternate ease-in-out;
}

.music-card:hover .music-waveform span:nth-child(1) { animation-delay: 0s; }
.music-card:hover .music-waveform span:nth-child(2) { animation-delay: 0.15s; height: 16px; }
.music-card:hover .music-waveform span:nth-child(3) { animation-delay: 0.3s; height: 12px; }
.music-card:hover .music-waveform span:nth-child(4) { animation-delay: 0.45s; height: 18px; }
.music-card:hover .music-waveform span:nth-child(5) { animation-delay: 0.6s; height: 10px; }

@keyframes waveform {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1); }
}

.music-info {
  padding: var(--spacing-md);
}

.music-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.music-artist {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition-theme);
}

/* ============================================================
   RESOURCES
   ============================================================ */

.section-resources {
  padding: var(--spacing-xxl) 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-theme);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.resource-card {
  padding: var(--spacing-lg);
}

.resource-category {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 0.15rem 0.7rem;
  border-radius: var(--radius-badge);
  margin-bottom: var(--spacing-sm);
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

.resource-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.resource-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  transition: color var(--transition-theme);
}

.resource-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
  transition: gap var(--transition-hover), color var(--transition-theme);
}

.resource-link:hover {
  gap: var(--spacing-sm);
}

/* ============================================================
   DOWNLOADS
   ============================================================ */

.section-downloads {
  padding: var(--spacing-xxl) 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-theme);
}

.downloads-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.download-card {
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.download-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

.download-info {
  flex: 1;
}

.download-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.download-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  transition: color var(--transition-theme);
}

.download-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-bg-glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  cursor: pointer;
  text-decoration: none;
  
  transition:
    background-color var(--transition-theme),
    border-color var(--transition-theme),
    color var(--transition-theme),
    transform var(--transition-hover),
    box-shadow var(--transition-hover);
}

.download-btn:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  animation: bounce-down 0.6s var(--transition-spring);
}

@keyframes bounce-down {
  0% { transform: translateY(0); }
  30% { transform: translateY(4px); }
  60% { transform: translateY(-2px); }
  100% { transform: translateY(0); }
}

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

.site-footer {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  background: var(--color-bg-glass);
  backdrop-filter: blur(20px) saturate(190%);
  -webkit-backdrop-filter: blur(20px) saturate(190%);
  
  transition:
    background-color var(--transition-theme),
    border-color var(--transition-theme);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.footer-logo-icon {
  color: var(--color-accent);
  transition: color var(--transition-theme);
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition-theme);
}

.footer-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md) var(--spacing-lg);
}

.footer-nav-list a {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-theme);
}

.footer-nav-list a:hover {
  color: var(--color-accent);
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  text-decoration: none;
  
  transition:
    background-color var(--transition-theme),
    border-color var(--transition-theme),
    color var(--transition-theme),
    transform var(--transition-hover),
    box-shadow var(--transition-hover);
}

.footer-social a:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  transform: translateY(-3px) scale(1.05);
}

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  transition: border-color var(--transition-theme), color var(--transition-theme);
}

.footer-heart {
  color: #ff3b30;
  display: inline-block;
  animation: heart-beat 1.8s infinite;
}

@keyframes heart-beat {
  0%, 100% { transform: scale(1); }
  30% { transform: scale(1.2); }
  60% { transform: scale(1); }
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-legal a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-theme);
}

.footer-legal a:hover {
  color: var(--color-text-primary);
}

.footer-divider {
  color: var(--color-border);
  transition: color var(--transition-theme);
}

/* Footer Particles */
.footer-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0.10;
  animation: particle-float 12s infinite alternate ease-in-out;
  transition: background-color var(--transition-theme);
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-duration: 14s; }
.particle:nth-child(2) { left: 25%; top: 60%; animation-duration: 10s; animation-delay: 1s; width: 6px; height: 6px; }
.particle:nth-child(3) { left: 70%; top: 30%; animation-duration: 16s; animation-delay: 0.5s; }
.particle:nth-child(4) { left: 85%; top: 70%; animation-duration: 12s; animation-delay: 2s; width: 3px; height: 3px; }
.particle:nth-child(5) { left: 50%; top: 10%; animation-duration: 18s; animation-delay: 0.2s; opacity: 0.06; }

@keyframes particle-float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(20px, -30px) scale(1.2); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablets */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-description {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    min-height: 320px;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    padding: var(--spacing-lg) 0;
    min-height: auto;
  }

  .floating-card {
    position: relative;
    inset: auto !important;
    animation: none !important;
    transform: none !important;
  }

  .hero-glow {
    display: none;
  }

  .about-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-stats {
    justify-content: center;
  }

  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .notes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .music-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .resources-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .downloads-grid {
    grid-template-columns: 1fr;
  }

  .revision-dashboard {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-nav-list {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .section-description-h {
    text-align: center;
    max-width: 90%;
    margin: 1rem auto; /* Centers the 560px container block itself */
  }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --header-height: 60px;
    --spacing-xxl: 40px;
    --spacing-xl: 24px;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .section-heading {
    font-size: 1.8rem;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-scroll-indicator {
    display: none;
  }

  .nav-list {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .bento-grid,
  .notes-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .music-grid {
    grid-template-columns: 1fr 1fr;
  }

  .resources-grid {
    grid-template-columns: 1fr;
  }

  .downloads-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .stat-number {
    font-size: 2rem;
  }

  .stat-letter {
    font-size: 2rem;
  }

  .footer-nav-list {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .nav-overlay-link {
    font-size: 1.6rem;
  }

  .note-card-bottom {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
  }

  .note-progress {
    margin-right: 0;
  }

  .note-open {
    justify-content: flex-end;
  }
}

/* Small Mobile */
@media (max-width: 420px) {
  .music-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .floating-card {
    width: 100%;
    max-width: 200px;
  }
}

/* ============================================================
   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;
  }

  .floating-card,
  .hero-glow,
  .music-waveform span,
  .particle,
  .scroll-dot {
    animation: none !important;
  }

  .hero-glow {
    display: none;
  }

  .glass-card:hover,
  .bento-card:hover,
  .project-card:hover,
  .music-card:hover,
  .resource-card:hover,
  .download-card:hover,
  .note-card:hover {
    transform: none !important;
  }

  .btn:hover {
    transform: none !important;
  }

  .download-btn:hover {
    animation: none !important;
  }

  .music-card:hover .music-waveform span {
    animation: none !important;
  }

  .stat-letter {
  /* Slightly bumped up from 2.8rem to 3rem to match the optical height of numbers */
  font-size: 3rem; 
  font-weight: 700;
  letter-spacing: -0.01em; /* Adjusted slightly to look natural with letters */
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
  display: inline-block;
  text-transform: uppercase; /* Guarantees letters render at maximum capital height */
  line-height: 1; /* Keeps the bounding box tight and level with numbers */
  vertical-align: middle; /* Aligns perfectly if sitting next to inline elements */
}

/* Mobile rules */
@media (max-width: 768px) {
  .stat-letter {
    font-size: 2.1rem; /* Slightly bumped up from 2rem to match mobile numbers */
  }
}
}

/* ============================================================
   STUDY NOTE MODAL — 100% SOLID Background (No Transparency)
   ============================================================ */

.note-modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.note-modal.open {
  opacity: 1;
  visibility: visible;
}

/* ---- Modal Panel: COMPLETELY SOLID ---- */
.note-modal-content {
  position: relative;
  max-width: 920px;
  width: 100%;
  max-height: 88vh;
  background: #ffffff; /* SOLID WHITE — NO TRANSPARENCY */
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.20), 0 8px 24px rgba(0, 0, 0, 0.06);
  transform: scale(0.96);
  transition: transform 0.25s ease, opacity 0.25s ease;
  opacity: 0;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

/* Dark mode: COMPLETELY SOLID DARK */
.dark .note-modal-content {
  background: #1a1a1e; /* SOLID DARK — NO TRANSPARENCY */
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.60), 0 8px 24px rgba(0, 0, 0, 0.20);
}

.note-modal.open .note-modal-content {
  transform: scale(1);
  opacity: 1;
}

/* ---- Close Button ---- */
.note-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 15;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: #555;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.dark .note-modal-close {
  background: #2a2a2e;
  border-color: rgba(255, 255, 255, 0.08);
  color: #aaa;
}

.note-modal-close:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  transform: rotate(90deg);
}

.note-modal-close:active {
  transform: rotate(90deg) scale(0.92);
}

/* ---- Modal Body: SOLID background, clean text ---- */
.note-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 44px 48px 40px;
  scroll-behavior: smooth;
  background: transparent; /* Inherits from parent (SOLID) */
  color: #1a1a1e;
}

.dark .note-modal-body {
  color: #f0f0f4;
}

/* Custom scrollbar */
.note-modal-body::-webkit-scrollbar {
  width: 5px;
}

.note-modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.note-modal-body::-webkit-scrollbar-thumb {
  background: #d0d0d5;
  border-radius: 10px;
}

.dark .note-modal-body::-webkit-scrollbar-thumb {
  background: #3a3a3e;
}

.note-modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

.note-modal-body {
  scrollbar-width: thin;
  scrollbar-color: #d0d0d5 transparent;
}

.dark .note-modal-body {
  scrollbar-color: #3a3a3e transparent;
}

/* ---- Loader ---- */
.note-modal-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  gap: var(--spacing-md);
  color: #888;
}

.loader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #e0e0e5;
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.dark .loader-spinner {
  border-color: #3a3a3e;
  border-top-color: var(--color-accent);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loader-text {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ============================================================
   MARKDOWN CONTENT — CRYSTAL CLEAR READABILITY
   ============================================================ */

.note-modal-body .markdown-content {
  color: #1a1a1e;
  line-height: 1.8;
  font-size: 1rem;
}

.dark .note-modal-body .markdown-content {
  color: #f0f0f4;
}

.note-modal-body .markdown-content h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  color: #1a1a1e;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: var(--spacing-xs);
}

.dark .note-modal-body .markdown-content h1 {
  color: #f0f0f4;
}

.note-modal-body .markdown-content h2 {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  color: #1a1a1e;
}

.dark .note-modal-body .markdown-content h2 {
  color: #f0f0f4;
}

.note-modal-body .markdown-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: #1a1a1e;
}

.dark .note-modal-body .markdown-content h3 {
  color: #f0f0f4;
}

.note-modal-body .markdown-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  color: #333;
}

.dark .note-modal-body .markdown-content h4 {
  color: #ccc;
}

.note-modal-body .markdown-content p {
  margin-bottom: var(--spacing-md);
  color: #333;
  line-height: 1.85;
}

.dark .note-modal-body .markdown-content p {
  color: #d0d0d8;
}

.note-modal-body .markdown-content ul,
.note-modal-body .markdown-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
  color: #333;
}

.dark .note-modal-body .markdown-content ul,
.dark .note-modal-body .markdown-content ol {
  color: #d0d0d8;
}

.note-modal-body .markdown-content ul li,
.note-modal-body .markdown-content ol li {
  margin-bottom: var(--spacing-xs);
}

.note-modal-body .markdown-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-md) 0;
  background: #f5f7fa;
  border-radius: 0 12px 12px 0;
  color: #333;
}

.dark .note-modal-body .markdown-content blockquote {
  background: #22222a;
  color: #d0d0d8;
}

.note-modal-body .markdown-content blockquote p {
  margin-bottom: 0;
}

.note-modal-body .markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
  font-size: 0.9rem;
  overflow-x: auto;
  display: block;
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid #e8ecf0;
}

.dark .note-modal-body .markdown-content table {
  background: #1a1a1e;
  border-color: #2a2a32;
}

.note-modal-body .markdown-content table th,
.note-modal-body .markdown-content table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid #e8ecf0;
  text-align: left;
}

.dark .note-modal-body .markdown-content table th,
.dark .note-modal-body .markdown-content table td {
  border-color: #2a2a32;
}

.note-modal-body .markdown-content table th {
  background: #f0f2f5;
  color: #1a1a1e;
  font-weight: 600;
}

.dark .note-modal-body .markdown-content table th {
  background: #22222a;
  color: #f0f0f4;
}

.note-modal-body .markdown-content table td {
  color: #333;
}

.dark .note-modal-body .markdown-content table td {
  color: #d0d0d8;
}

.note-modal-body .markdown-content hr {
  border: none;
  border-top: 1px solid #e8ecf0;
  margin: var(--spacing-lg) 0;
}

.dark .note-modal-body .markdown-content hr {
  border-color: #2a2a32;
}

.note-modal-body .markdown-content code {
  background: #f0f2f5;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--color-accent);
  font-family: 'SF Mono', 'Menlo', 'Courier New', monospace;
}

.dark .note-modal-body .markdown-content code {
  background: #22222a;
}

.note-modal-body .markdown-content pre {
  background: #f5f7fa;
  padding: var(--spacing-md);
  border-radius: 12px;
  overflow-x: auto;
  border: 1px solid #e8ecf0;
  margin: var(--spacing-md) 0;
}

.dark .note-modal-body .markdown-content pre {
  background: #111116;
  border-color: #2a2a32;
}

.note-modal-body .markdown-content pre code {
  background: transparent;
  padding: 0;
  color: #333;
  font-size: 0.85rem;
  border: none;
}

.dark .note-modal-body .markdown-content pre code {
  color: #d0d0d8;
}

.note-modal-body .markdown-content .sticky-notes,
.note-modal-body .markdown-content .sticky-note {
  background: #f0f2f5;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: 12px;
  border-left: 4px solid var(--color-accent);
  margin: var(--spacing-md) 0;
}

.dark .note-modal-body .markdown-content .sticky-notes,
.dark .note-modal-body .markdown-content .sticky-note {
  background: #22222a;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .note-modal {
    padding: var(--spacing-sm);
  }

  .note-modal-content {
    max-height: 92vh;
    border-radius: 20px;
  }

  .note-modal-body {
    padding: 28px 24px 24px;
  }

  .note-modal-body .markdown-content h1 {
    font-size: 1.6rem;
  }

  .note-modal-body .markdown-content h2 {
    font-size: 1.3rem;
  }

  .note-modal-body .markdown-content h3 {
    font-size: 1.1rem;
  }

  .note-modal-body .markdown-content table {
    font-size: 0.75rem;
  }

  .note-modal-body .markdown-content table th,
  .note-modal-body .markdown-content table td {
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .note-modal-close {
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .note-modal-body {
    padding: 20px 16px 16px;
  }

  .note-modal-body .markdown-content h1 {
    font-size: 1.3rem;
  }

  .note-modal-body .markdown-content h2 {
    font-size: 1.1rem;
  }

  .note-modal-body .markdown-content h3 {
    font-size: 1rem;
  }

  .note-modal-body .markdown-content blockquote {
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  .note-modal,
  .note-modal-content,
  .note-modal-close,
  .loader-spinner {
    transition: none !important;
    animation: none !important;
  }

  .note-modal-content {
    transform: none !important;
    opacity: 1 !important;
  }

  .note-modal {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: none !important;
  }

  .note-modal-close:hover {
    transform: none !important;
  }
}