/* ============================================================
   SampahKu Design System
   Premium dark-mode UI with emerald accents
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* ============================================================
   1. CSS Custom Properties (Design Tokens)
   ============================================================ */
:root {
  /* Colors — Background */
  --bg-primary: #000000;
  --bg-secondary: #080d0a;
  --bg-tertiary: #101a14;
  --bg-card: rgba(8, 13, 10, 0.7);
  --bg-glass: rgba(12, 22, 16, 0.6);
  --bg-glass-hover: rgba(16, 28, 20, 0.8);
  --bg-input: rgba(5, 10, 7, 0.85);

  /* Colors — Accent */
  --accent-primary: #00c853;
  --accent-primary-rgb: 0, 200, 83;
  --accent-secondary: #05ff91;
  --accent-tertiary: #00bfa5;
  --accent-gold: #ffd740;
  --accent-gold-rgb: 255, 215, 64;
  --accent-danger: #ff5252;
  --accent-blue: #40c4ff;

  /* Colors — Text */
  --text-primary: #e8f5e9;
  --text-secondary: #a5d6a7;
  --text-muted: #4caf50;
  --text-inverse: #000000;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00c853 0%, #00bfa5 100%);
  --gradient-hero: linear-gradient(160deg, #000000 0%, #080d0a 40%, #101a14 100%);
  --gradient-card: linear-gradient(145deg, rgba(0, 200, 83, 0.08) 0%, rgba(0, 191, 165, 0.04) 100%);
  --gradient-gold: linear-gradient(135deg, #ffd740 0%, #ff9100 100%);
  --gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(0, 200, 83, 0.15) 0%, transparent 70%);

  /* Borders */
  --border-subtle: rgba(0, 200, 83, 0.1);
  --border-glass: rgba(0, 200, 83, 0.15);
  --border-active: rgba(0, 200, 83, 0.4);
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 20px rgba(0, 200, 83, 0.25);
  --shadow-glow-strong: 0 0 40px rgba(0, 200, 83, 0.4);
  --shadow-gold-glow: 0 0 20px rgba(255, 215, 64, 0.25);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3rem;
  --fs-5xl: 3.75rem;
  --fs-6xl: 4.5rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index layers */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-navbar: 500;
  --z-modal: 1000;
  --z-toast: 1500;

  /* Container */
  --container-max: 1200px;
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
}

/* ============================================================
   2. Reset & Base
   ============================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

button {
  cursor: pointer;
}

::selection {
  background: rgba(0, 230, 118, 0.3);
  color: var(--text-primary);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* ============================================================
   3. Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: var(--fs-4xl); }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-md); }

@media (max-width: 768px) {
  h1 { font-size: var(--fs-3xl); }
  h2 { font-size: var(--fs-2xl); }
  h3 { font-size: var(--fs-xl); }
}

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

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-mono {
  font-family: var(--font-mono);
}

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

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

.text-center { text-align: center; }
.text-sm { font-size: var(--fs-sm); }
.text-xs { font-size: var(--fs-xs); }
.text-lg { font-size: var(--fs-lg); }
.text-xl { font-size: var(--fs-xl); }

/* ============================================================
   4. Layout Utilities
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section-sm {
  padding: var(--space-3xl) 0;
}

.flex {
  display: flex;
}

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

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

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

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: var(--space-3xl) 0;
  }
}

/* ============================================================
   5. Glassmorphism Cards
   ============================================================ */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 230, 118, 0.3), transparent);
}

.glass-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-active);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.glass-card-static {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
}

/* ============================================================
   6. Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-base);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-inverse);
  box-shadow: 0 4px 15px rgba(0, 230, 118, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 230, 118, 0.45);
  color: var(--text-inverse);
}

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

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transform: rotate(45deg) translateX(-100%);
  transition: transform 0.6s ease;
}

.btn-primary:hover::after {
  transform: rotate(45deg) translateX(100%);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-primary);
  border: 1.5px solid var(--accent-primary);
}

.btn-secondary:hover {
  background: rgba(0, 230, 118, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: var(--accent-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  color: var(--accent-primary);
  background: rgba(0, 230, 118, 0.05);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: var(--fs-lg);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-sm);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--border-radius-md);
}

/* ============================================================
   7. Form Elements
   ============================================================ */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--text-secondary);
  font-size: var(--fs-sm);
}

.form-input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: var(--bg-input);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: var(--fs-base);
  transition: all var(--transition-base);
}

.form-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15);
}

.form-input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* Range slider */
.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-full);
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  background: var(--gradient-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.range-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  background: var(--gradient-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-glow);
}

/* ============================================================
   8. Badges & Tags
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.85rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--border-radius-full);
  background: rgba(0, 230, 118, 0.12);
  color: var(--accent-primary);
  border: 1px solid rgba(0, 230, 118, 0.2);
}

.badge-gold {
  background: rgba(255, 215, 64, 0.12);
  color: var(--accent-gold);
  border-color: rgba(255, 215, 64, 0.2);
}

.badge-blue {
  background: rgba(64, 196, 255, 0.12);
  color: var(--accent-blue);
  border-color: rgba(64, 196, 255, 0.2);
}

.badge-lg {
  padding: 0.5rem 1.1rem;
  font-size: var(--fs-sm);
}

/* ============================================================
   9. Progress Bars
   ============================================================ */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  transition: width 1s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 100%;
  background: rgba(255, 255, 255, 0.3);
  filter: blur(4px);
  animation: progressShimmer 2s infinite;
}

@keyframes progressShimmer {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

/* ============================================================
   10. Navbar
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  padding: var(--space-md) 0;
  background: rgba(6, 13, 9, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  border-bottom-color: var(--border-subtle);
  padding: var(--space-sm) 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--fs-xl);
  color: var(--text-primary);
}

.navbar-logo .logo-img {
  width: 38px;
  height: 38px;
  border-radius: var(--border-radius-md);
  object-fit: cover;
  border: 1.5px solid rgba(0, 200, 83, 0.3);
  background: #000000;
}

.navbar-logo span.logo-text {
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
  color: var(--accent-primary);
  font-weight: 800;
  display: flex;
  align-items: center;
}

.navbar-logo span.logo-text .text-gold {
  color: var(--accent-gold);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.navbar-links a {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-base);
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--accent-primary);
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
  width: 100%;
}

/* Mobile menu */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.navbar-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav-profile {
  display: none !important;
}

@media (max-width: 768px) {
  .mobile-nav-profile {
    display: flex !important;
    flex-direction: column;
    width: 100%;
    padding: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    margin-bottom: var(--space-xl);
    gap: 12px;
    position: relative;
    overflow: hidden;
  }

  /* Ambient glowing dot in profile card */
  .mobile-nav-profile::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent-primary);
    filter: blur(25px);
    opacity: 0.25;
    pointer-events: none;
  }

  .mobile-nav-title {
    font-size: var(--fs-xs);
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .mobile-nav-name {
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    font-weight: 800;
    color: var(--text-primary);
    word-break: break-all;
    letter-spacing: -0.01em;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
  }

  .mobile-nav-points-badge {
    background: linear-gradient(135deg, rgba(0, 230, 118, 0.2) 0%, rgba(0, 200, 83, 0.08) 100%);
    border: 1.5px solid rgba(0, 230, 118, 0.4);
    border-radius: var(--border-radius-md);
    padding: 8px 14px;
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    font-weight: 900;
    color: var(--accent-primary);
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 15px rgba(0, 230, 118, 0.15);
    transition: all 0.3s ease;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 300px;
    height: 100vh;
    background: rgba(6, 11, 8, 0.94);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    align-items: stretch;
    padding: 5.5rem 24px 30px;
    gap: 8px;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border-left: 1px solid rgba(0, 230, 118, 0.15);
    z-index: var(--z-navbar);
    box-shadow: -10px 0 40px rgba(0,0,0,0.6);
  }

  .navbar-links.open {
    right: 0;
  }

  .navbar-links a {
    color: var(--text-secondary);
    font-size: 0.95rem !important;
    font-weight: 600;
    padding: 12px 16px;
    border-radius: var(--border-radius-md);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    gap: 12px;
    border-left: 3px solid transparent;
    background: rgba(255,255,255,0.01);
  }

  .navbar-links a::after {
    display: none !important;
  }

  .navbar-links a:hover,
  .navbar-links a.active {
    color: var(--accent-primary) !important;
    background: rgba(0, 230, 118, 0.08);
    border-left-color: var(--accent-primary);
    padding-left: 22px;
    box-shadow: inset 1px 0 0 rgba(255,255,255,0.05);
  }

  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 9, 6, 0.5);
    z-index: calc(var(--z-navbar) - 1);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), backdrop-filter 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
  }

  .mobile-overlay.active {
    opacity: 1;
    pointer-events: all;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
}

/* ============================================================
   11. Footer
   ============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand p {
  margin-top: var(--space-md);
  font-size: var(--fs-sm);
  max-width: 300px;
}

.footer-col h4 {
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  padding: var(--space-xs) 0;
  transition: all var(--transition-fast);
}

.footer-col a:hover {
  color: var(--accent-primary);
  padding-left: var(--space-sm);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: var(--space-md);
}

.footer-socials a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 230, 118, 0.08);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-base);
  font-size: var(--fs-md);
}

.footer-socials a:hover {
  background: rgba(0, 230, 118, 0.15);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   12. Section Headers
   ============================================================ */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-header .section-badge {
  margin-bottom: var(--space-md);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  font-size: var(--fs-md);
  color: var(--text-secondary);
}

/* ============================================================
   13. Stat Counters
   ============================================================ */
.stat-item {
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--accent-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   14. Keyframe Animations
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px rgba(0, 230, 118, 0.2); }
  50% { box-shadow: 0 0 25px rgba(0, 230, 118, 0.4); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes confettiFall {
  0% { transform: translateY(-100vh) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes borderPulse {
  0%, 100% { border-color: var(--border-subtle); }
  50% { border-color: var(--border-active); }
}

@keyframes leafFloat1 {
  0% { transform: translate(0, 0) rotate(0deg); opacity: 0.6; }
  25% { transform: translate(80px, -60px) rotate(90deg); opacity: 0.8; }
  50% { transform: translate(30px, -130px) rotate(180deg); opacity: 0.5; }
  75% { transform: translate(-50px, -90px) rotate(270deg); opacity: 0.7; }
  100% { transform: translate(0, 0) rotate(360deg); opacity: 0.6; }
}

@keyframes leafFloat2 {
  0% { transform: translate(0, 0) rotate(45deg); opacity: 0.5; }
  33% { transform: translate(-70px, -80px) rotate(165deg); opacity: 0.7; }
  66% { transform: translate(40px, -150px) rotate(285deg); opacity: 0.4; }
  100% { transform: translate(0, 0) rotate(405deg); opacity: 0.5; }
}

/* Animation utility classes */
.animate-fadeIn { animation: fadeIn 0.6s ease forwards; }
.animate-fadeInUp { animation: fadeInUp 0.6s ease forwards; }
.animate-float { animation: float 4s ease-in-out infinite; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-glow { animation: glow 2.5s ease-in-out infinite; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   15. Toast / Notification
   ============================================================ */
.toast-container {
  position: fixed;
  top: 80px;
  right: var(--space-xl);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.4s ease forwards;
  min-width: 280px;
  max-width: 420px;
}

.toast-success { border-left: 3px solid var(--accent-primary); }
.toast-warning { border-left: 3px solid var(--accent-gold); }
.toast-error { border-left: 3px solid var(--accent-danger); }

/* ============================================================
   16. Misc Utilities
   ============================================================ */
.divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  margin: var(--space-lg) auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.w-full { width: 100%; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* Glow orbs for ambient lighting */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  pointer-events: none;
}

.glow-orb-green {
  background: var(--accent-primary);
}

.glow-orb-teal {
  background: var(--accent-tertiary);
}

.glow-orb-gold {
  background: var(--accent-gold);
}