/* ============================================
   CLIMATE & SUSTAINABILITY PAGES
   Professional Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@600;700&display=swap');

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette - Climate Theme */
  --color-primary-blue: #00695C;
  --color-slate-grey: #00695C;
  --color-accent-green: #00450a;
  --color-accent-teal: #00450a;
  --color-white: #FFFFFF;
  --color-light-grey: #F3FDF9;
  --color-medium-grey: #E8F5F0;
  --color-text-dark: #0F172A;
  --color-text-light: #475569;
  --color-border: #D4E4E0;

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-h1: 48px;
  --font-size-h2: 36px;
  --font-size-h3: 28px;
  --font-size-h4: 22px;
  --font-size-small: 14px;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;

  /* Transitions */
  --transition-smooth: all 0.3s ease-in-out;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-white);
}

/* Typography */
h1 {
  font-size: var(--font-size-h1);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary-blue);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-slate-grey);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: var(--font-size-h4);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-xs);
}

p {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.footer-text {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: #E8F5F0;
  margin-bottom: var(--spacing-md);
}


/* Semantic Links & Tooltips */
.tooltip-trigger {
  position: relative;
  border-bottom: 1px dotted var(--color-accent-green);
  cursor: help;
  font-weight: 500;
  color: var(--color-primary-blue);
}

.tooltip-trigger:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-slate-grey);
  color: var(--color-white);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: var(--font-size-small);
  font-weight: 400;
  white-space: nowrap;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Buttons */
.button {
  display: inline-block;
  padding: 14px 32px;
  font-size: var(--font-size-base);
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
  text-align: center;
}

.button-primary {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
}

.button-primary:hover {
  background-color: var(--color-slate-grey);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(26, 58, 82, 0.2);
}

.button-secondary {
  background-color: #ffffff;
  color: #0f5132; 
  border: 2px solid #0f5132;
}

.button-secondary:hover {
  background-color: #e9f7ef;  /* أخضر فاتح خفيف */
  color: #0f5132;
  transform: translateY(-2px);
}

.button-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

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

/* Header & Navigation */
header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 6px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 48px;
}

.branding-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.branding-text {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 24px;
  font-weight: 700 !important;
  font-weight: bold !important;
  letter-spacing: -0.5px;
  color: var(--color-primary-blue);
  text-decoration: none;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.logo {
  font-size: var(--font-size-h3);
  font-weight: 700;
  color: var(--color-primary-blue);
  text-decoration: none;
}

nav {
  display: flex;
  gap: var(--spacing-lg);
}

nav a {
  color: var(--color-text-dark);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
}

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

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 6px;
  background: none;
  border: none;
  padding: 8px;
}

.hamburger span {
  width: 24px;
  height: 3px;
  background-color: var(--color-text-dark);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* Sidebar Navigation */
.sidebar {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  width: 300px;
  height: 100vh;
  background-color: var(--color-white);
  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
  z-index: 90;
  overflow-y: auto;
  padding-top: 60px;
}

.sidebar.active {
  display: block;
}

.sidebar-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
}

.sidebar-header .branding-text {
  font-size: 28px;
  margin-bottom: 12px;
}

.sidebar-header svg {
  width: 48px;
  height: 48px;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0 var(--spacing-md);
}

.sidebar nav a {
  display: block;
  padding: 16px 20px;
  margin-bottom: 8px;
  border-radius: 4px;
  transition: var(--transition-smooth);
  color: var(--color-text-dark);
  text-decoration: none;
  font-weight: 500;
}

.sidebar nav a:hover {
  background-color: var(--color-light-grey);
}

.sidebar nav a.active {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  font-weight: 600;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 80;
}

.sidebar-overlay.active {
  display: block;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary-blue) 0%, var(--color-slate-grey) 100%);
  color: var(--color-white);
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  transform: translate(200px, -200px);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--color-white);
  font-size: 52px;
  margin-bottom: var(--spacing-md);
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
  margin-bottom: var(--spacing-lg);
}

.hero-image {
  margin-top: var(--spacing-xl);
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: 8px;
    opacity: 0.7;

}

/* Hero with Image Background */
.hero-with-image {
  background-image: url('assets/images/image-1.webp'); /* رابط الصورة */
  background-size: cover;
  background-position: center;
  position: relative;
  color: var(--color-white);
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
  overflow: hidden;
}

.hero-with-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.3); /* يخلي الصورة 70% وضوح */

  z-index: 1;
}
.heroo-with-image {
  background-image: url('assets/images/image-2.jpg'); /* رابط الصورة */
  background-size: cover;
  background-position: center;
  position: relative;
  color: var(--color-white);
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
  overflow: hidden;
}

.heroo-with-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.3); 
  
  z-index: 1;
}

/* Section Spacing */
.section {
  padding: var(--spacing-2xl) var(--spacing-md);
}

.section-alt {
  background-color: var(--color-light-grey);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-title h2 {
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: 18px;
  color: var(--color-text-light);
}

/* Card Layout */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  transition: var(--transition-smooth);
}

.card:hover {
  border-color: var(--color-accent-green);
  box-shadow: 0 12px 24px rgba(61, 140, 110, 0.12);
  transform: translateY(-4px);
}

.card-icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--spacing-md);
}

.card-icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--color-accent-green);
  stroke-width: 1.5;
  fill: none;
}

.card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-slate-grey);
}

.card p {
  margin-bottom: var(--spacing-md);
  font-size: 15px;
}

.card-link {
  color: var(--color-accent-green);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.card-link:hover {
  gap: 12px;
}

.card-link::after {
  content: '→';
}

/* Feature Section with Image */
.feature-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  margin-bottom: var(--spacing-2xl);
}

.feature-section.reverse {
  direction: rtl;
}

.feature-section.reverse > * {
  direction: ltr;
}

.feature-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.feature-content h2 {
  margin-bottom: var(--spacing-md);
}.feature-bullet-list {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.feature-bullet-list li {
  display: flex;
  gap: 0.8rem; /* مسافة بين الـ check والنص */
  margin-bottom: 1rem;
  font-size: 16px;
  color: var(--color-text-light);
  align-items: flex-start;
  line-height: 1.5;
  transition: transform 0.2s, color 0.2s;
}

.feature-bullet-list li:hover {
  transform: translateX(4px);
  color: var(--color-accent-green);
}

.feature-bullet-list li::before {
  content: '✓';
  flex-shrink: 0;
  color: var(--color-accent-green);
  font-weight: 700;
  font-size: 20px;
  margin-top: 2px; /* لمحاذاة أفضل مع النص */
}

.feature-section h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text-dark);
  text-align: center;
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

@media (max-width: 768px) {
  .two-column,
  .feature-section {
    grid-template-columns: 1fr;
  }

  .feature-section.reverse {
    direction: ltr;
  }
}

/* Stats/Metrics Section */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.metric-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.metric-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-primary-blue);
  margin-bottom: var(--spacing-xs);
}

.metric-label {
  font-size: 14px;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-blue) 0%, var(--color-slate-grey) 100%);
  color: var(--color-white);
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
  border-radius: 8px;
  margin: var(--spacing-2xl) 0;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-section .button-secondary {
  color: var(--color-primary-blue);
  border-color: var(--color-primary-blue);
  background-color: var(--color-white);
}

.cta-section .button-secondary:hover {
  background-color: var(--color-light-grey);
}

/* Footer */
footer {
  background-color: var(--color-slate-grey);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-2xl) var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

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

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: 16px;
}

.footer-section a {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-bottom: var(--spacing-sm);
  transition: var(--transition-smooth);
  font-size: 14px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 28px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .button-group {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

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

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .button {
    width: 100%;
  }
}

/* Accessibility */
.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;
}

/* Focus States */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent-green);
  outline-offset: 2px;
}
.branding-icon, .loading-screen {
    align-items: center;
    display: flex;
    justify-content: center;
}
<style>
.branding-icon {
    height: 24px;
    width: 24px;
}
.logo svg {
  width: 60px;
  height: auto;
  display: block;
}
</style>