/* =================================================================
   AllForEnergy - Modern Energy Website
   Design System & Styles
   ================================================================= */

/* CSS Variables - Design Tokens */
:root {
  /* Colors - Sustainability Theme - From Logo */
  --color-primary: #8bc34a;
  --color-primary-dark: #6d9e34;
  --color-primary-light: #b2d788;

  --color-secondary: #f39c12;
  --color-secondary-dark: #e67e22;
  --color-secondary-light: #f8b739;

  --color-accent: #3498db;
  --color-accent-dark: #2980b9;
  --color-accent-light: #5dade2;

  --color-success: #8bc34a;
  --color-warning: #f39c12;
  --color-error: #e74c3c;

  /* Neutral Colors */
  --color-dark: #1a1a1a;
  --color-dark-soft: #2c3e50;
  --color-gray: #7f8c8d;
  --color-light-gray: #ecf0f1;
  --color-white: #ffffff;

  /* Background Gradients - Using Logo Colors */
  --gradient-hero: linear-gradient(135deg, #8bc34a 0%, #6d9e34 50%, #5a7c2a 100%);
  --gradient-secondary: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
  --gradient-accent: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
  --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #1a1a1a 100%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-blur: blur(10px);
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --color-dark: #ecf0f1;
  --color-dark-soft: #bdc3c7;
  --color-gray: #95a5a6;
  --color-light-gray: #2c3e50;
  --color-white: #1a1a1a;

  --glass-bg: rgba(0, 0, 0, 0.3);
  --glass-border: rgba(255, 255, 255, 0.1);
}

/* =================================================================
   Base Styles
   ================================================================= */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-white);
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--color-primary-dark);
}

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

/* =================================================================
   Layout Components
   ================================================================= */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-fluid {
  max-width: 100%;
  padding: 0 var(--spacing-md);
}

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

.section-sm {
  padding: var(--spacing-2xl) 0;
}

/* =================================================================
   Header & Navigation
   ================================================================= */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid rgba(139, 195, 74, 0.1);
  z-index: 1000;
  transition: all var(--transition-base);
}

[data-theme="dark"] .header {
  background: rgba(26, 26, 26, 0.98);
  border-bottom: 1px solid rgba(139, 195, 74, 0.2);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  font-family: var(--font-heading);
  transition: all var(--transition-fast);
}

.logo:hover {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  color: var(--color-dark);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(139, 195, 74, 0.1);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 70%;
}

.nav-link.active {
  color: var(--color-primary);
  background: rgba(139, 195, 74, 0.15);
  font-weight: 600;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-dark);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

/* Dark Mode Toggle */
.theme-toggle {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-lg);
  transition: all var(--transition-base);
}

.theme-toggle:hover {
  transform: scale(1.1);
}

/* =================================================================
   Hero Section
   ================================================================= */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,300 Q300,100 600,300 T1200,300 L1200,600 L0,600 Z" fill="rgba(255,255,255,0.1)"/></svg>');
  background-size: cover;
  background-position: bottom;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out;
  color: var(--color-white);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-cta {
  display: inline-flex;
  gap: var(--spacing-md);
  animation: fadeInUp 1s ease-out 0.4s backwards;
}

/* =================================================================
   Buttons
   ================================================================= */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--font-size-base);
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--color-primary-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-accent {
  background: var(--gradient-secondary);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* =================================================================
   Grant Section (Glassmorphism)
   ================================================================= */

.grant-section {
  background: var(--gradient-accent);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.grant-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-2xl);
  animation: floatUp 1s ease-out;
}

.grant-badge {
  display: inline-block;
  background: var(--color-secondary);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.grant-title {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

.grant-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.grant-highlight {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-secondary);
}

.grant-highlight-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
}

/* =================================================================
   Cards & Grid
   ================================================================= */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

[data-theme="dark"] .card {
  background: var(--color-dark-soft);
}

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

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

.card-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

/* =================================================================
   Forms
   ================================================================= */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-dark);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  background: var(--color-white);
  color: var(--color-dark);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 195, 74, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* =================================================================
   Footer
   ================================================================= */

.footer {
  background: var(--gradient-dark);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

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

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

.footer-links {
  list-style: none;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  display: block;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: var(--spacing-xs);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
}

/* =================================================================
   Cookie Consent Banner
   ================================================================= */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 300px;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.cookie-settings-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 600px;
  width: 90%;
  box-shadow: var(--shadow-2xl);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
}

.cookie-settings-modal.show {
  opacity: 1;
  pointer-events: all;
  transform: translate(-50%, -50%) scale(1);
}

[data-theme="dark"] .cookie-settings-modal {
  background: var(--color-dark-soft);
}

.cookie-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.cookie-overlay.show {
  opacity: 1;
  pointer-events: all;
}

.cookie-category {
  padding: var(--spacing-md);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.cookie-category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.toggle-switch {
  position: relative;
  width: 50px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-gray);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: var(--transition-base);
}

.toggle-switch input:checked+.toggle-slider {
  background-color: var(--color-primary);
}

.toggle-switch input:checked+.toggle-slider:before {
  transform: translateX(26px);
}

.toggle-switch input:disabled+.toggle-slider {
  opacity: 0.5;
  cursor: not-allowed;
}

/* =================================================================
   Animations
   ================================================================= */

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* =================================================================
   Responsive Design
   ================================================================= */

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }

  [data-theme="dark"] .nav-menu {
    background: var(--color-dark-soft);
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    min-height: 80vh;
    padding-top: 100px;
  }

  .grant-highlights {
    grid-template-columns: 1fr;
  }

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

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-buttons {
    width: 100%;
    flex-direction: column;
  }

  .cookie-buttons .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--spacing-2xl) 0;
  }

  .hero-title {
    font-size: 1.75rem;
  }

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

  .hero-cta .btn {
    width: 100%;
  }
}

/* =================================================================
   Utility Classes
   ================================================================= */

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

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

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

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

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

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

/* Cookie Banner Button Overrides - UNIVERSAL visibility on all backgrounds */
.cookie-banner .btn-secondary {
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-primary-dark);
  border: 2px solid var(--color-primary-dark);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.5);
}

.cookie-banner .btn-secondary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  border: 2px solid var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3),
    0 0 0 1px var(--color-primary-dark);
}