/*=====================================================================
  Theme: Power Up - Refined Design
  Foc: Enhanced Rounded Edges, Optimized Spacing
  =====================================================================*/
/* Center the container at the bottom of the screen */
.news-image {
    /* Define the size of the box */
    width: 100%;
    height: 500; /* You can change this height */
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: contain; /* KEY: Fits image inside without cropping */
}
.scroll-indicator {
  position: absolute;
  bottom: 30px; /* Adjust distance from bottom */
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

/* Create the arrow shape using borders */
.arrow {
  width: 20px;  /* Size of the arrow */
  height: 20px;
  border-bottom: 4px solid #118f3b; /* Change color here (e.g., white or black) */
  border-right: 4px solid #118f3b;  /* Change color here */
  transform: rotate(45deg);
  margin: -5px; /* Pulls them closer together */
  
  /* The Animation */
  animation: bounce 2s infinite;
}

/* Add a slight delay to the second arrow for a "wave" effect */
.arrow:nth-child(2) {
  animation-delay: -0.2s;
}

/* Define the Up and Down movement */
@keyframes bounce {
  0% {
    opacity: 0;
    transform: rotate(45deg) translate(-20px, -20px);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: rotate(45deg) translate(20px, 20px);
  }
}- Navigation Responsive --- */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1100;
  margin-right: 1rem;
  position: fixed;
  top: 1rem;
  right: 1rem;
}
.nav-toggle-bar {
  width: 28px;
  height: 3px;
  background: var(--brand-green);
  margin: 4px 0;
  border-radius: 2px;
  transition: 0.3s;
}
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
    position: static;
    margin: 0;
    z-index: 1001;
  }
  .nav-toggle-bar {
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
  }
  .nav-toggle.open .nav-toggle-bar:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
  }
  .nav-toggle.open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
  }
  .main-nav {
    display: block;
    width: 250px;
    height: 100vh;
    background: var(--near-black);
    position: fixed;
    top: 0;
    right: -250px;
    padding-top: 60px;
    transition: transform 0.3s ease-in-out;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
  }
  .main-nav.open {
    transform: translateX(-250px);
    opacity: 1;
    visibility: visible;
  }
  .main-nav ul {
    width: 100%;
    flex-direction: column;
    padding: 0;
  }
  .main-nav li {
    width: 100%;
  }
  .main-nav a {
    display: block;
    padding: 1rem 1.5rem;
    width: 100%;
    border-bottom: 1px solid var(--dark-gray);
  }
  .main-nav a:hover {
    background: var(--dark-gray);
  }
  body.nav-open {
    overflow: hidden;
  }
}

/* --- Header Content and Logo for Mobile --- */
.header-content {
  display: none;
}

.header-logo {
  display: none;
}

.header-title {
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 1.2rem;
  letter-spacing: -0.02em;
  flex: 1;
  text-align: center;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0.5rem 1rem;
    background: var(--near-black);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--dark-gray);
  }

  .header-logo {
    display: block;
    height: 40px;
    width: auto;
  }

  .header-title {
    font-size: 1.1rem;
    margin: 0 0.5rem;
  }

  .main-nav {
    margin-top: var(--header-height);
  }
}

/* --- 1. CSS Reset / Normalize --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- 2. CSS Variables (Theme Customization - Refined) --- */
:root {
    /* Colors - Dark theme */
    --brand-green: #1ED760;
    --brand-green-dark: #169C46;
    --brand-green-light: #34FF79;
    --black: #000;
    --near-black: #121212;
    --dark-gray: #1E1E1E;
    --medium-gray: #666;
    --light-gray: #888;
    --white: #fff;

    /* Text Colors */
    --text-on-light: var(--white);
    --text-on-dark: var(--light-gray);

    /* Typography */
    --font-body: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;

    /* Spacing - Defined in increasing scale, using even numbers for rhythm */
    --space-unit: 1rem; /* Base for multiplication */
    --space-xs: calc(var(--space-unit) * 0.5);   /* 8px */
    --space-sm: var(--space-unit);             /* 16px */
    --space-md: calc(var(--space-unit) * 1.5);  /* 24px */
    --space-lg: calc(var(--space-unit) * 2);    /* 32px */
    --space-xl: calc(var(--space-unit) * 3);    /* 48px */
    --space-xxl: calc(var(--space-unit) * 5);   /* 80px */
    --space-xxxl: calc(var(--space-unit) * 7);  /* 112px - For large section padding */

    --container-width: 1280px; /* Slightly wider container */
    --header-height: 50px; /* Reduced from 60px */

    /* Rounded Edges - More distinct steps */
    --radius-sm: 0.5rem;      /* Buttons, small elements */
    --radius-md: 1rem;        /* Default cards, larger buttons */
    --radius-lg: 1.5rem;      /* Prominent cards, hero section inner */

    /* Transitions */
    --transition-ease: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1); /* Slightly smoother curve */

    /* Shadows - Subtle, modern elevation */
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 5px 10px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 15px 25px rgba(0, 0, 0, 0.15);

    /* Gradient */
    --button-gradient: linear-gradient(to right, var(--brand-green-light), var(--brand-green));
}

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;600;700;800&display=swap'); /* Added Poppins bold weights */


/* --- 3. Base Body Styles --- */
body {
    font-family: var(--font-body);
    line-height: 1.75;
    color: var(--text-on-light);
    background-color: var(--near-black);
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* --- 4. Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--white);
    line-height: 1.15;
    margin-bottom: var(--space-md);
    letter-spacing: -0.04em;
}

h1 { font-size: 3.5rem; margin-bottom: var(--space-lg); } /* Larger H1 with more space */
h2 { font-size: 2.8rem; }
h3 { font-size: 2rem; }

/* Ensure headings on dark backgrounds use light text color */
.bg-dark h1, .bg-dark h2, .bg-dark h3,
.site-footer h1, .site-footer h2, .site-footer h3 {
     color: var(--text-on-dark);
}


p {
    margin-bottom: var(--space-sm);
    font-size: 1.1rem;
    color: var(--text-on-light);
}

a {
    color: var(--brand-green-light);
    text-decoration: none;
    transition: color var(--transition-ease);
}

a:hover {
    color: var(--brand-green);
    text-decoration: underline;
}

/* Add focus styles for accessibility */
:focus-visible {
    outline: 3px solid var(--brand-green);
    outline-offset: 4px;
}

.main-nav a:focus-visible::after { /* Keep underline effect on focus for nav */
     width: 100%;
     background-color: var(--brand-green-light); /* Lighter green for focus */
}


/* --- 5. Utility Classes --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-lg); /* Increased consistent horizontal padding */
}

.section-padding {
    padding: var(--space-xxxl) 0; /* Generous vertical padding for sections */
}

.bg-light {
    background-color: var(--dark-gray);
}

.bg-dark {
    background-color: var(--black);
    color: var(--text-on-dark);
}

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

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

.text-muted {
    color: var(--medium-gray);
}

/* Image styling */
img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    pointer-events: none; /* Prevent dragging images as blocks */
}


/* --- 6. Buttons --- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl); /* Increased padding for prominence */
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    border: 2px solid transparent; /* Thicker border */
    border-radius: var(--radius-md); /* Medium radius */
    transition: var(--transition-ease);
    text-decoration: none;
    user-select: none;
    /* Adding subtle inset shadow on hover/active could add depth */
}

/* Gradient Primary Button */
.btn-primary {
    color: var(--near-black);
    background: var(--button-gradient);
    border-color: var(--brand-green);
    box-shadow: var(--shadow-medium); /* Stronger initial shadow */
}

.btn-primary:hover {
    background-position: right center;
    color: var(--text-on-dark);
    text-decoration: none;
    box-shadow: var(--shadow-large); /* More pronounced shadow on hover */
    transform: translateY(-2px); /* Subtle vertical lift */
}

/* Outline Primary Button */
.btn-outline-primary {
    color: var(--brand-green-light);
    background-color: transparent;
    border-color: var(--brand-green-light);
    box-shadow: var(--shadow-subtle);
}

.btn-outline-primary:hover {
    color: var(--near-black);
    background-color: var(--brand-green-light);
    border-color: var(--brand-green);
    text-decoration: none;
    box-shadow: var(--shadow-medium);
     transform: translateY(-2px);
}

.btn-outline-light { /* On dark backgrounds */
    color: var(--text-on-dark);
    background-color: transparent;
    border-color: var(--text-on-dark);
    box-shadow: var(--shadow-subtle);
}

.btn-outline-light:hover {
     color: var(--brand-green-light); /* Hover text becomes light green */
     background-color: var(--text-on-dark);
     border-color: var(--brand-green-light); /* Border matches hover text */
     text-decoration: none;
     box-shadow: var(--shadow-medium);
      transform: translateY(-2px);
}

.btn-small {
    padding: var(--space-sm) var(--space-md); /* Adjusted padding */
    font-size: 0.95rem;
    border-radius: var(--radius-sm); /* Smaller radius */
}

.btn-lg {
    padding: var(--space-xl) var(--space-xxl); /* Very large padding */
    font-size: 1.4rem;
    border-radius: var(--radius-lg); /* Large radius */
}

.btn-text {
    display: inline-block;
    background: none;
    border: none;
    padding: 0;
    font-size: 1rem;
    color: var(--brand-green-light); /* Slightly lighter green for text links */
    cursor: pointer;
    text-decoration: none; /* Removed default underline */
    transition: color var(--transition-ease);
    position: relative; /* For potential subtle effect */
}
.btn-text::after { /* Subtle hover effect for text links */
     content: '';
     position: absolute;
     bottom: -2px;
     left: 0;
     width: 100%;
     height: 1px; /* Thinnest underline */
     background-color: var(--brand-green);
     transform: scaleX(0);
     transform-origin: bottom right;
     transition: transform 0.3s ease-out;
}

.btn-text:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}
.btn-text:hover {
     color: var(--brand-green-dark);
}


/* --- 7. Header and Navigation --- */

.site-header {
    background-color: var(--near-black);
    border-bottom: 1px solid var(--medium-gray);
    padding: 0;
    box-shadow: var(--shadow-subtle);
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.site-header .container {
    display: flex;
    justify-content: center; /* Center the navigation */
    align-items: center;
    min-height: var(--header-height);
    padding: 0 var(--space-sm);
}

.main-nav {
    display: flex;
    justify-content: center; /* Center the navigation */
}

.main-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: nowrap;
    gap: var(--space-xs);
    padding: 0;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Hide scrollbar for Chrome, Safari and Opera */
.main-nav ul::-webkit-scrollbar {
    display: none;
}

.main-nav li {
    flex: 0 0 auto;
}

.main-nav a {
    color: var(--text-on-light);
    font-size: 0.85rem; /* Even smaller font size */
    font-weight: 500;
    padding: var(--space-xs) calc(var(--space-xs) * 0.75); /* Reduced padding */
    white-space: nowrap;
    position: relative;
    transition: color var(--transition-ease);
    /* Pure CSS Underline Effect */
    &::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0; /* Placed at bottom of padding */
        width: 0;
        height: 1px; /* Thinnest underline */
        background-color: var(--brand-green);
        transition: width 0.3s ease-out;
    }
}

/* Hover & Active States for Navigation */
.main-nav a:hover,
.main-nav a.active {
    color: var(--brand-green);
    text-decoration: none;
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
    background-color: var(--brand-green-light); /* Lighter green hover underline */
}


/* --- 8. Main Content - Sections --- */

/* Hero Section */
.hero-section {
    background: url('../images/hero_background.jpg') no-repeat center center/cover;
    color: var(--text-on-dark);
    text-align: center;
    padding: var(--space-xxxl) var(--space-md); /* Generous padding */
    position: relative;
    overflow: hidden;
}
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    min-width: 100vw;
    min-height: 100vh;
    z-index: 0;
    pointer-events: none;
    display: block;
    opacity: 0.35;
    transition: opacity 0.3s;
}
body, html {
    background: var(--near-black);
}

/* Add large background logo */
@keyframes logoMoveRotate {
  0% {
    left: -10%;
    transform: translateY(-50%) rotate(-18deg) scale(1.08);
  }
  50% {
    left: 40%;
    transform: translateY(-50%) rotate(12deg) scale(1.08);
  }
  100% {
    left: -10%;
    transform: translateY(-50%) rotate(-18deg) scale(1.08);
  }
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 50%;
    left: -10%;
    width: 700px;
    height: 700px;
    background-image: url('../images/powerup_logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transform: translateY(-50%) rotate(-18deg) scale(1.08);
    opacity: 0.13;
    z-index: 1;
    pointer-events: none;
    filter: blur(2px) drop-shadow(0 0 40px var(--brand-green));
    animation: logoMoveRotate 18s ease-in-out infinite;
}

@media (max-width: 768px) {
  .hero-section::after {
    animation: logoMoveRotate 22s ease-in-out infinite;
  }
}

/* Hero Content Adjustments */
.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-content-wrapper {
    position: relative;
    z-index: 3;
}

.hero-content h1 {
    font-size: 4.5rem; /* Even bigger H1 */
    font-weight: 800; /* Extra bold */
    color: var(--white);
    text-shadow: var(--shadow-large);
    margin-bottom: var(--space-md);
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.6rem; /* Larger P */
    color: var(--light-gray);
    text-shadow: var(--shadow-medium);
    margin-bottom: var(--space-xl);
    max-width: 800px; /* Limit width for readability */
    margin-left: auto; /* Center paragraph if width limited */
    margin-right: auto;
}

.hero-content .btn {
     margin: 0 var(--space-sm); /* Slightly more space between buttons */
     margin-top: var(--space-sm); /* Add margin top to separate from text if needed */
}


/* About Snippet Section */
.about-snippet-section p {
    font-size: 1.2rem; /* Slightly larger text */
    line-height: 1.8;
}

/* Events, Projects, News Sections - Card Styles */
.event-list,
.news-list {
    display: grid;
    gap: var(--space-xl); /* Increased gap between cards */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Min width for cards */
}

.event-item,
.news-item,
.featured-project-item {
    background-color: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-lg); /* APPLY LARGER RADIUS TO CARD CONTAINER */
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-ease);
    box-shadow: var(--shadow-subtle); /* Default subtle shadow */
    /* Ensure z-index changes slightly on hover for stacking effect */
    position: relative; /* Needed for z-index */
    z-index: 1; /* Default stacking context */
}

.event-item:hover,
.news-item:hover,
.featured-project-item:hover {
    transform: translateY(-12px); /* More pronounced lift */
    box-shadow: var(--shadow-large); /* Stronger shadow on hover */
    z-index: 2; /* Bring hovered card to front slightly */
}

/* Styles for image in card items - MUST have the card-image class in HTML */
.card-image {
    width: 100%;
    height: 250px; /* Slightly increased height */
    object-fit: cover;
    /* Apply border-radius to the top corners ONLY via clipping/overflow on parent */
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    display: block;
}


/* Styles for text/content area in card items - MUST have the card-content class in HTML */
.card-content {
    padding: var(--space-md); /* Consistent padding */
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
     /* No bottom border radius needed here, container handles it */
}


.card-content h3 {
     margin-bottom: var(--space-sm); /* More space below heading */
     font-size: 1.5rem; /* Adjusted heading size */
     line-height: 1.3;
}

.card-content p {
    margin-bottom: var(--space-sm); /* Standard spacing for paragraphs */
}

.card-content .btn {
    margin-top: var(--space-sm); /* Space above button within content */
}

/* Specific style if a news item is purely text (no image-card-image structure) */
.news-item:not(.has-image) { /* Add has-image class if a news item uses card-image */
     padding: var(--space-lg); /* More padding for text-only news items */
     /* Apply border-radius: var(--radius-lg); here directly if they don't wrap image/content divs */
}
/* Add class in HTML like <article class="news-item has-image"> if it follows the image/content structure */


/* Featured Project Highlight Section - Horizontal Layout */
.featured-project-item {
    flex-direction: row; /* Horizontal on larger screens */
    align-items: stretch;
    border: none; /* Remove default border, rely on background and shadows */
    background-color: var(--white); /* Explicit background */
     box-shadow: var(--shadow-medium); /* Stronger default shadow */
     border-radius: var(--radius-lg); /* Applied to the container */
     overflow: hidden; /* Ensure inner elements are clipped by parent radius */
}

.featured-project-item:hover {
    box-shadow: var(--shadow-large);
     transform: translateY(-5px); /* Less pronounced lift for a horizontal item */
}


.featured-project-item .card-image {
    width: 55%; /* Image takes slightly more width */
    height: auto;
    min-height: 300px; /* Minimum height */
    max-height: 400px; /* Max height */
     /* Apply border-radius to the LEFT corners via clipping/overflow on parent */
     border-radius: var(--radius-lg) 0 0 var(--radius-lg); /* top-left, top-right, bottom-right, bottom-left */
}

.featured-project-item .card-content {
    width: 45%; /* Info takes less width */
    padding: var(--space-lg); /* Generous padding */
    /* Apply border-radius to the RIGHT corners via clipping/overflow on parent */
     border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    display: flex;
    flex-direction: column;
    justify-content: center; /* Vertically center content */
}


/* Join CTA Section (Brand Green Background) */
.join-cta-section {
    background-color: var(--brand-green);
    color: var(--text-on-dark);
    text-align: center;
    padding: var(--space-xxxl) var(--space-md); /* Consistent generous padding */
    /* Optional: Add subtle pattern or visual interest */
}

.join-cta-section h2 {
    color: var(--white);
    margin-bottom: var(--space-md);
    font-weight: 700; /* Ensure prominence */
}

.join-cta-section .lead-text {
    font-size: 1.5rem; /* Match hero P size */
    margin-bottom: var(--space-xxl); /* Plenty of space above buttons */
}

/* Use btn-outline-light for button here */
.join-cta-section .btn-outline-light {
     border-width: 3px; /* Thicker outline */
}
.join-cta-section .btn { /* Styles applicable to any button in this section */
     margin: var(--space-sm); /* Space between buttons */
     /* Ensure white outline button text is visible against green */
}


/* --- JOIN PAGE MODERN MINIMALIST STYLES --- */

.join-hero.minimal-hero {
  background: #181818;
  padding: 3.5rem 0 2.5rem 0;
  border-radius: 0 0 2.5rem 2.5rem;
  box-shadow: 0 4px 32px #1ED76022;
  margin-bottom: 2.5rem;
}
.join-hero-logo {
  width: 90px;
  margin-bottom: 1.2rem;
  filter: drop-shadow(0 4px 32px #1ED76055);
}
.join-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}
.join-lead {
  font-size: 1.25rem;
  color: #e6ffe6;
  margin-bottom: 2rem;
}
.join-btn {
  font-size: 1.15rem;
  padding: 0.9rem 2.2rem;
  border-radius: 2rem;
  font-weight: 700;
  box-shadow: 0 2px 12px #1ED76033;
  margin-top: 1rem;
}

.join-section {
  background: #181818;
  padding: 2.5rem 0 2rem 0;
  margin-bottom: 2rem;
  border-radius: 1.5rem;
  box-shadow: 0 2px 16px #1ED76011;
}
.section-title {
  color: #1ED760;
  font-size: 2rem;
  margin-bottom: 2rem;
  font-weight: 700;
}

.card-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}
.card {
  background: #232323;
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px #1ED76022;
  padding: 2rem 1.5rem;
  min-width: 220px;
  max-width: 340px;
  flex: 1 1 260px;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.3s, transform 0.3s;
  border: 2px solid transparent;
}
.card:hover {
  box-shadow: 0 8px 32px #1ED76044;
  border: 2px solid #1ED76044;
  transform: translateY(-6px) scale(1.03);
}
.card-icon {
  font-size: 2.2rem;
  margin-bottom: 0.7rem;
  color: #1ED760;
  filter: drop-shadow(0 2px 8px #1ED76044);
}
.card h3 {
  color: #1ED760;
  font-size: 1.25rem;
  margin-bottom: 0.7rem;
  font-weight: 700;
  text-align: center;
}
.card p, .card ul, .card ol {
  color: #e6ffe6;
  font-size: 1.05rem;
  text-align: center;
  margin-bottom: 0.4rem;
}
.card ul, .card ol {
  padding-left: 1.2rem;
  text-align: left;
}
.card ul li, .card ol li {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}
.process-card {
  max-width: 500px;
  margin: 0 auto;
  background: #232323ee;
}
.contact-card {
  max-width: 500px;
  margin: 0 auto;
  background: #232323ee;
}

@media (max-width: 900px) {
  .card-grid {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }
  .card, .process-card, .contact-card {
    max-width: 98vw;
    min-width: 0;
    width: 100%;
  }
  .join-hero-logo { width: 60px; }
  .join-title { font-size: 1.7rem; }
}

@media (max-width: 600px) {
  .join-section, .join-hero.minimal-hero {
    padding: 1.2rem 0 1rem 0;
    border-radius: 0.7rem;
  }
  .section-title { font-size: 1.2rem; }
  .card { padding: 1.2rem 0.7rem; }
  .card-icon { font-size: 1.5rem; }
}


/* --- 9. Footer (Dark Background) --- */

.site-footer {
    background-color: var(--black);
    border-top: 1px solid var(--medium-gray);
    color: var(--text-on-dark);
    padding: var(--space-xxxl) 0 var(--space-lg) 0; /* Consistent top padding */
    font-size: 1rem; /* Slightly larger font size */
}

.site-footer a {
    color: var(--medium-gray);
    text-decoration: none; /* Remove default underline */
    transition: color var(--transition-ease), text-decoration var(--transition-ease);
}

.site-footer a:hover {
    color: var(--brand-green-light);
    text-decoration: underline; /* Underline on hover */
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg) var(--space-xl); /* Vertical and horizontal gaps */
}


.footer-section h3 {
    color: var(--white);
    margin-bottom: var(--space-md);
    font-size: 1.3rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: var(--space-xs);
}

.social-icons {
    display: flex;
    gap: var(--space-sm); /* Closer icons */
    margin-top: var(--space-sm); /* Space below heading */
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
     transition: var(--transition-ease);
}

.social-icons img {
    width: 35px;
    height: 35px;
    object-fit: contain;
    border-radius: 8px; /* Adding rounded corners */
    transition: var(--transition-ease);
    filter: none; /* Remove the grayscale filter to preserve original colors */
}

.social-icons a:hover img {
    filter: none; /* Remove any filter effects on hover */
    transform: scale(1.1); /* Keep the scale effect on hover */
}

.social-icons a:hover {
     transform: scale(1.1); /* Simple hover scale */
}

.social-icons img {
     width: 35px; /* Larger icons */
     height: 35px;
     object-fit: contain;
     border-radius: 8px; /* Adding rounded corners */
     transition: var(--transition-ease);
     filter: none; /* Remove the grayscale filter to preserve original colors */
}

.social-icons a:hover img {
    filter: none; /* Remove any filter effects on hover */
    transform: scale(1.1); /* Keep the scale effect on hover */
}


/* Using the dedicated copyright class */
.site-footer .copyright {
    font-size: 0.9rem;
    margin-top: var(--space-lg);
    opacity: 0.6; /* Slightly more transparent */
    text-align: center;
    grid-column: 1 / -1;
    padding-top: var(--space-md); /* Padding above copyright */
    border-top: 1px solid var(--dark-gray); /* Subtle separator */
}


/* --- 10. Responsiveness --- */

/* Tablet/Smaller Desktop */
@media (max-width: 1024px) {
    h1 { font-size: 3rem; margin-bottom: var(--space-md);}
    h2 { font-size: 2.4rem; }
    h3 { font-size: 1.8rem; }

    .section-padding {
        padding: var(--space-xxl) 0; /* Reduced vertical padding */
    }

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

    .site-header .container {
         min-height: auto; /* Allow header height to collapse when stacked */
    }

     .main-nav ul {
         gap: var(--space-md);
     }


     .hero-content h1 { font-size: 3.5rem; }
     .hero-content p { font-size: 1.4rem; }


     .featured-project-item {
        flex-direction: column; /* Stack vertical */
     }

     .featured-project-item .card-image {
         width: 100%;
         height: 250px;
         min-height: 200px; /* Adjust min/max heights */
         max-height: 300px;
          /* Adjust border-radius for stacked layout */
         border-radius: var(--radius-lg) var(--radius-lg) 0 0;
     }

     .featured-project-item .card-content {
         width: 100%;
         padding: var(--space-md); /* Adjusted padding */
         /* Adjust border-radius for stacked layout */
         border-radius: 0 0 var(--radius-lg) var(--radius-lg);
         justify-content: flex-start; /* Revert to default content alignment */
     }


      .footer-content {
           grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); /* Adjust grid columns */
           gap: var(--space-md);
      }

       .site-footer .copyright {
            grid-column: 1 / -1;
            margin-top: var(--space-md);
            padding-top: var(--space-sm);
       }

}

/* Mobile Devices */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; margin-bottom: var(--space-md);}
    h2 { font-size: 2rem; }
    h3 { font-size: 1.6rem; }

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

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

    /* Header Stacking & Centering */
     .site-header .container {
         flex-direction: column;
         align-items: center; /* Center everything */
         padding: var(--space-sm) 0; /* Reduced header vertical padding */
     }

    .site-branding {
        margin-bottom: var(--space-md);
    }

     .main-nav ul {
         flex-direction: column;
         gap: var(--space-xs); /* Tight spacing */
         align-items: center;
         padding-bottom: var(--space-sm); /* Add space below nav list */
     }
     .main-nav a {
         padding: var(--space-xs); /* Padding around nav items */
         border-bottom: none; /* Remove underline effect when stacked */
          &::after { /* Hide the ::after element on mobile */
             display: none;
         }
     }
      .main-nav a:hover, .main-nav a.active {
           color: var(--brand-green-dark); /* Simple color change on mobile hover */
      }


    /* Hero Section adjustments */
     .hero-section::before { /* Make overlay slightly less strong if needed */
         background-color: rgba(0, 0, 0, 0.65);
     }
    .hero-content h1 {
        font-size: 3rem;
    }
    .hero-content p {
        font-size: 1.2rem;
         max-width: 90%;
    }
    .hero-content .btn {
        display: block; /* Stack buttons */
        width: 90%; /* Make buttons take width */
        margin: var(--space-sm) auto; /* Center stacked buttons */
        padding: var(--space-md) var(--space-xl);
        font-size: 1.1rem;
        border-radius: var(--radius-md);
    }


    /* Card item adjustments */
     .event-list, .news-list {
         gap: var(--space-md); /* Smaller gap between stacked cards */
         grid-template-columns: 1fr; /* Single column */
     }

    .card-image { height: 200px; }

    /* Featured Project adjustments */
    /* Already stacking vertical based on 1024px media query */


    /* Footer Adjustments */
    .site-footer {
        padding: var(--space-xxl) 0 var(--space-md) 0;
    }
    .footer-content {
        grid-template-columns: 1fr; /* Single column layout */
        gap: var(--space-md);
        text-align: center;
    }

     .site-footer .copyright {
           margin-top: var(--space-md);
            padding-top: var(--space-sm);
            grid-column: 1 / -1;
     }

     .footer-logo { margin: 0 auto var(--space-md) auto;} /* Center logo */
    .social-icons { justify-content: center; margin-top: var(--space-sm); } /* Center icons */

}

/* Very Small Mobile */
@media (max-width: 480px) {
     h1 { font-size: 2.2rem; }
     h2 { font-size: 1.8rem; }
     h3 { font-size: 1.4rem; }

      .hero-content h1 { font-size: 2.6rem; }
      .hero-content p { font-size: 1rem; }

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


      .card-image { height: 160px; }
      .card-content { padding: var(--space-sm); }

      .btn { font-size: 1rem; padding: var(--space-sm) var(--space-md); }
      .btn-lg { font-size: 1.2rem; padding: var(--space-md) var(--space-lg); }
       .hero-content .btn {
            width: 95%; /* Adjusted width */
       }
}

/* === ABOUT PAGE REDESIGN === */
.redesigned-hero {
  position: relative;
  background: linear-gradient(120deg, #1ED760 0%, #181818 100%);
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.about-hero-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: url('../images/background_1.png') center/cover no-repeat;
  opacity: 0.13;
  z-index: 1;
}
.about-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 3rem 1rem 2rem 1rem;
}
.about-hero-logo {
  width: 110px;
  margin-bottom: 1.2rem;
  filter: drop-shadow(0 4px 32px #1ED76055);
}
.about-hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}
.about-hero .lead {
  font-size: 1.3rem;
  color: #e6ffe6;
  max-width: 600px;
  margin: 0 auto;
}

.about-cards {
  background: #181818;
  padding: 3rem 0 2rem 0;
}
.about-card-grid {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.about-card {
  background: #232323;
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px #1ED76022;
  padding: 2.2rem 2rem;
  max-width: 420px;
  min-width: 270px;
  flex: 1 1 320px;
  margin-bottom: 1.5rem;
}
.about-card h2 {
  color: #1ED760;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.about-values-achievements {
  background: #121212;
  padding: 3rem 0 2rem 0;
}
.about-values-achievements-grid {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  justify-content: center;
}
.about-values, .about-achievements {
  flex: 1 1 320px;
  min-width: 270px;
  max-width: 420px;
  background: #232323;
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px #1ED76022;
  padding: 2.2rem 2rem;
  margin-bottom: 1.5rem;
}
.about-values h2, .about-achievements h2 {
  color: #1ED760;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}
.values-icons {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.value-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #181818;
  border-radius: 0.7rem;
  padding: 1rem 0.7rem;
  min-width: 90px;
  box-shadow: 0 2px 8px #1ED76011;
}
.value-icon {
  font-size: 2.1rem;
  margin-bottom: 0.3rem;
}
.achievements-list {
  margin-top: 1.2rem;
  padding-left: 1.2rem;
  color: #e6ffe6;
}
.achievements-list li {
  margin-bottom: 0.7rem;
  font-size: 1.08rem;
}

.about-team-partners {
  background: #181818;
  padding: 3rem 0 2rem 0;
}
.about-team-partners-grid {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  justify-content: center;
}
.about-team, .about-partners {
  flex: 1 1 320px;
  min-width: 270px;
  max-width: 420px;
  background: #232323;
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px #1ED76022;
  padding: 2.2rem 2rem;
  margin-bottom: 1.5rem;
  text-align: center;
}
.about-team h2, .about-partners h2 {
  color: #1ED760;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}
.about-team-img {
  width: 90px;
  margin: 1.2rem auto 0 auto;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 12px #1ED76033;
}
.partners-logos {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  margin-top: 1.2rem;
}
.partner-block {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.partners-logos img {
  width: 70px;
  height: 70px;
  background: #fff;
  border-radius: 0.7rem;
  box-shadow: 0 2px 8px #1ED76011;
  padding: 0.3rem;
}
.partner-name {
  margin-top: 0.5rem;
  font-size: 1.08rem;
  color: #e6ffe6;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.redesigned-join {
  background: linear-gradient(90deg, #1ED760 60%, #34FF79 100%);
  color: #181818;
  text-align: center;
  padding: 3rem 0 2.5rem 0;
}
.redesigned-join h2 {
  color: #181818;
  font-size: 2rem;
  margin-bottom: 1rem;
}
.redesigned-join p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}
.redesigned-join .btn-primary {
  background: #181818;
  color: #1ED760;
  border: 2px solid #1ED760;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.9rem 2.2rem;
  border-radius: 2rem;
  box-shadow: 0 2px 12px #1ED76033;
  transition: background 0.2s, color 0.2s;
}
.redesigned-join .btn-primary:hover {
  background: #1ED760;
  color: #181818;
}
.join-icon {
  font-size: 1.3em;
  margin-right: 0.5em;
}

@media (max-width: 900px) {
  .about-card-grid, .about-values-achievements-grid, .about-team-partners-grid {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }
  .about-card, .about-values, .about-achievements, .about-team, .about-partners {
    max-width: 98vw;
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 600px) {
  .about-hero h1 { font-size: 2rem; }
  .about-hero-logo { width: 70px; }
  .about-card, .about-values, .about-achievements, .about-team, .about-partners {
    padding: 1.2rem 0.7rem;
  }
  .about-team-img { width: 60px; }
  .partners-logos img { width: 70px; height: 70px; }
  .redesigned-join h2 { font-size: 1.3rem; }
}

/* === ACTIVITIES PAGE DESIGN === */
.activities-hero {
  background: linear-gradient(120deg, #1ED760 0%, #181818 100%);
  padding: 3.5rem 0 2.5rem 0;
  text-align: center;
  position: relative;
}
.activities-hero h1 {
  color: #fff;
  font-size: 2.7rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}
.activities-hero .lead {
  color: #e6ffe6;
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto;
}

.activities-section {
  background: #181818;
  padding: 3rem 0 2rem 0;
}
.activities-grid {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.activity-card {
  background: #232323;
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px #1ED76022;
  padding: 2.2rem 2rem;
  max-width: 400px;
  min-width: 270px;
  flex: 1 1 320px;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.3s, transform 0.3s;
}
.activity-card:hover {
  box-shadow: 0 8px 32px #1ED76044;
  transform: translateY(-6px) scale(1.03);
}
.activity-icon {
  font-size: 2.7rem;
  margin-bottom: 0.7rem;
  color: #1ED760;
  filter: drop-shadow(0 2px 8px #1ED76044);
}
.activity-card h2 {
  color: #1ED760;
  font-size: 1.3rem;
  margin-bottom: 1.1rem;
  text-align: center;
}
.activity-list {
  color: #e6ffe6;
  font-size: 1.08rem;
  padding-left: 1.1rem;
  text-align: left;
}
.activity-list li {
  margin-bottom: 0.8rem;
  font-size: 1rem;
}

.cta-section {
  background: linear-gradient(90deg, #1ED760 60%, #34FF79 100%);
  color: #181818;
  text-align: center;
  padding: 2.5rem 0 2rem 0;
}
.cta-section h2 {
  color: #181818;
  font-size: 2rem;
  margin-bottom: 1rem;
}
.cta-section p {
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
}
.cta-section .btn-primary {
  background: #181818;
  color: #1ED760;
  border: 2px solid #1ED760;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.9rem 2.2rem;
  border-radius: 2rem;
  box-shadow: 0 2px 12px #1ED76033;
  transition: background 0.2s, color 0.2s;
}
.cta-section .btn-primary:hover {
  background: #1ED760;
  color: #181818;
}

@media (max-width: 900px) {
  .activities-grid {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }
  .activity-card {
    max-width: 98vw;
    min-width: 0;
    width: 100%;
  }
}
@media (max-width: 600px) {
  .activities-hero h1 { font-size: 1.5rem; }
  .activity-card, .cta-section {
    padding: 1.2rem 0.7rem;
  }
  .activity-icon { font-size: 2rem; }
  .cta-section h2 { font-size: 1.2rem; }
}

/* === Artistic Team Section Redesign === */
.team-section {
  background: #181818; /* Solid color instead of gradient */
  padding: 4rem 0 3rem 0;
  position: relative;
  overflow: hidden;
}
.team-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: url('../images/background_1.png') center/cover no-repeat;
  opacity: 0.10;
  z-index: 1;
}
.team-section .container {
  position: relative;
  z-index: 2;
}
.team-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.team-card {
  background: #232323cc;
  border-radius: 1.5rem;
  box-shadow: 0 8px 32px #1ED76022;
  padding: 2.5rem 2rem 2rem 2rem;
  min-width: 270px;
  max-width: 340px;
  flex: 1 1 300px;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  transition: box-shadow 0.3s, transform 0.3s;
  border: 2.5px solid #1ED76033;
}
.team-card:hover {
  box-shadow: 0 16px 48px #1ED76044;
  transform: translateY(-8px) scale(1.03);
}
.team-card h2 {
  color: #1ED760;
  font-size: 1.35rem;
  margin-bottom: 0.7rem;
  font-weight: 700;
  text-align: center;
}
.team-role {
  color: #fff;
  font-size: 1.08rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.team-card p {
  color: #e6ffe6;
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  text-align: center;
}
.team-card .team-badge {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #1ED760 60%, #34FF79 100%);
  color: #181818;
  font-weight: 800;
  font-size: 1.05rem;
  padding: 0.3em 1.2em;
  border-radius: 1.2em;
  box-shadow: 0 2px 12px #1ED76033;
  letter-spacing: 0.04em;
  z-index: 2;
}
.team-card.president {
  border: 3px solid #1ED760;
  box-shadow: 0 12px 48px #1ED76055;
  background: linear-gradient(120deg, #1ED76033 0%, #232323cc 100%);
}
.team-card.vice {
  border: 2.5px solid #34FF79;
  background: linear-gradient(120deg, #34FF7933 0%, #232323cc 100%);
}
.team-card img.team-photo {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 1rem;
  box-shadow: 0 2px 12px #1ED76033;
  background: #fff;
}
@media (max-width: 900px) {
  .team-grid {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }
  .team-card {
    max-width: 98vw;
    min-width: 0;
    width: 100%;
  }
}
.team-summary {
  background: #181818cc;
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px #1ED76022;
  padding: 2.2rem 2rem;
  max-width: 700px;
  margin: 2rem auto 0 auto;
  color: #e6ffe6;
  text-align: center;
}
.team-summary h3 {
  color: #1ED760;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}
.team-summary ul {
  list-style: none;
  padding: 0;
}
.team-summary li {
  margin-bottom: 0.7rem;
  font-size: 1.08rem;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
  justify-items: center;
  align-items: center;
}

.gallery-img {
  width: 100%;
  max-width: 350px;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.4,1,0.4,1), box-shadow 0.3s cubic-bezier(0.4,1,0.4,1), filter 0.3s cubic-bezier(0.4,1,0.4,1);
  box-shadow: 0 2px 12px #1ED76033;
  z-index: 1;
}

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.7rem;
  }
  .gallery-img {
    max-width: 100vw;
    height: 120px;
  }
}

/* Add this to your CSS file */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lightbox.active {
  display: flex;
}

.lightbox-img {
  max-height: 90vh;
  max-width: 90vw;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 0 20px rgba(30, 215, 96, 0.5);
  animation: lightboxFadeIn 0.3s ease-out;
}

@keyframes lightboxFadeIn {
  from {
      opacity: 0;
      transform: scale(0.8);
  }
  to {
      opacity: 1;
      transform: scale(1);
  }
}

/* When lightbox is active, blur the rest of the content */
body.lightbox-active {
  overflow: hidden;
}

body.lightbox-active main,
body.lightbox-active header,
body.lightbox-active footer {
  filter: blur(5px);
  pointer-events: none;
}

/* === Solar Resource Page Styles === */
.solar-resource {
    padding: var(--space-xxl) 0;
}

.section-content {
    margin-bottom: var(--space-xxl);
    background: var(--dark-gray);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.section-content h1 {
    color: var(--brand-green);
    margin-bottom: var(--space-xl);
    font-size: 2.5rem;
}

.topic-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.topic-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.topic-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.topic-item h2 {
    color: var(--brand-green-light);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.topic-item p {
    color: var(--text-on-dark);
    font-size: 1rem;
    line-height: 1.6;
}

.nav-buttons {
    margin-top: var(--space-xl);
    text-align: center;
}

@media (max-width: 768px) {
    .section-content {
        padding: var(--space-lg);
    }

    .topic-list {
        grid-template-columns: 1fr;
    }

    .section-content h1 {
        font-size: 2rem;
    }
}

/* Solar Energy Page Specific Styles */
.solar-page {
    --solar-yellow: #FFD700;
    --solar-orange: #FF6B00;
    --solar-glow: 0 0 20px rgba(255, 215, 0, 0.3);
    background: var(--near-black);
    position: relative;
    overflow-x: hidden;
}

/* Animated solar system background effect */
.solar-page::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at center, var(--solar-yellow) 0%, transparent 0.1%),
        radial-gradient(circle at 20% 20%, var(--solar-orange) 0%, transparent 0.1%),
        radial-gradient(circle at 80% 80%, var(--brand-green) 0%, transparent 0.1%);
    opacity: 0.1;
    z-index: 0;
    animation: solarPulse 8s infinite ease-in-out;
    pointer-events: none;
}

@keyframes solarPulse {
    0%, 100% {
        background-size: 200px 200px, 150px 150px, 180px 180px;
    }
    50% {
        background-size: 220px 220px, 170px 170px, 200px 200px;
    }
}

.solar-hero {
    position: relative;
    background: linear-gradient(180deg, rgba(0,0,0,0.8) 0%, var(--near-black) 100%);
    padding: 120px 0 80px;
    overflow: hidden;
}

.solar-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: var(--solar-yellow);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: solarGlow 4s infinite ease-in-out;
}

@keyframes solarGlow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.15;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.2;
    }
}

.solar-hero h1 {
    color: var(--white);
    font-size: 4rem;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    text-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

.solar-hero p {
    color: var(--light-gray);
    text-align: center;
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.solar-section {
    position: relative;
    padding: 80px 0;
    background: var(--near-black);
}

.solar-section-gray {
    background: rgba(30, 30, 30, 0.6);
    backdrop-filter: blur(10px);
}

.solar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.solar-card {
    background: rgba(18, 18, 18, 0.8);
    border: 1px solid rgba(255, 215, 0, 0.1);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.solar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 215, 0, 0.03), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.solar-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.2);
}

.solar-card:hover::before {
    transform: translateX(100%);
}

.solar-card .icon {
    font-size: 2.5rem;
    color: var(--solar-yellow);
    margin-bottom: 1rem;
    display: block;
    text-align: center;
    text-shadow: var(--solar-glow);
}

.solar-card h3 {
    color: var(--brand-green);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.solar-card p {
    color: var(--light-gray);
    font-size: 1rem;
    line-height: 1.6;
    text-align: center;
}

.solar-section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.solar-section-title h2 {
    color: var(--brand-green);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.solar-section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--solar-yellow);
    border-radius: 2px;
    box-shadow: var(--solar-glow);
}

/* Library Page Specific Styles */
.library-page {
    --solar-yellow: #FFD700;
    --dark-bg: #1a1a1a;
    --darker-bg: #121212;
    --card-bg: #2a2a2a;
    --text-color: #ffffff;
    --text-muted: #a0a0a0;
    font-family: 'Open Sans', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-color);
}

.library-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7));
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.library-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, var(--brand-green) 0%, transparent 70%);
    opacity: 0.2;
    animation: pulse 4s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.2); opacity: 0.3; }
    100% { transform: scale(1); opacity: 0.2; }
}

.library-hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    color: var(--text-color);
}

.library-hero p {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-muted);
    position: relative;
}

.library-section {
    padding: 80px 0;
    position: relative;
}

.library-section-dark {
    background-color: var(--darker-bg);
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.library-card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.library-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-green), var(--solar-yellow));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.library-card:hover {
    transform: translateY(-5px);
    border-color: var(--brand-green);
}

.library-card:hover::before {
    transform: scaleX(1);
}

.library-card h3 {
    color: var(--brand-green);
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 1rem;
}

.library-card .icon {
    font-size: 2.5rem;
    background: linear-gradient(45deg, var(--brand-green), var(--solar-yellow));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.library-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

.library-btn {
    display: inline-block;
    background: linear-gradient(45deg, var(--brand-green), var(--solar-yellow));
    color: white;
    padding: 1rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.library-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--solar-yellow), var(--brand-green));
    border-radius: 4px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.library-btn:hover::before {
    opacity: 1;
}

.library-section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.library-section-title h2 {
    color: var(--brand-green);
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.library-section-title p {
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .library-hero h1 {
        font-size: 2.5rem;
    }
    
    .library-grid {
        grid-template-columns: 1fr;
    }
    
    .library-section {
        padding: 40px 0;
    }
}

/* Wind Energy Page Specific Styles */
.wind-page {
    --wind-blue: #64B5F6;
    --wind-cyan: #4DD0E1;
    --wind-glow: 0 0 20px rgba(100, 181, 246, 0.3);
    background: var(--near-black);
    position: relative;
    overflow-x: hidden;
}

.wind-page::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at center, var(--wind-blue) 0%, transparent 0.1%),
        radial-gradient(circle at 20% 20%, var(--wind-cyan) 0%, transparent 0.1%),
        radial-gradient(circle at 80% 80%, var(--brand-green) 0%, transparent 0.1%);
    opacity: 0.1;
    z-index: 0;
    animation: windPulse 8s infinite ease-in-out;
    pointer-events: none;
}

@keyframes windPulse {
    0%, 100% {
        background-size: 200px 200px, 150px 150px, 180px 180px;
    }
    50% {
        background-size: 220px 220px, 170px 170px, 200px 200px;
    }
}

.wind-resource {
    position: relative;
    background: linear-gradient(180deg, rgba(0,0,0,0.8) 0%, var(--near-black) 100%);
    padding: 120px 0 80px;
    overflow: hidden;
}

.wind-resource::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: var(--wind-blue);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: windGlow 4s infinite ease-in-out;
}

@keyframes windGlow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.15;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.2;
    }
}

.wind-resource .section-content {
    background: rgba(18, 18, 18, 0.8);
    border: 1px solid rgba(100, 181, 246, 0.1);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.wind-resource .section-content h1 {
    color: var(--wind-blue);
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    text-shadow: var(--wind-glow);
}

.wind-resource .topic-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.wind-resource .topic-item {
    background: rgba(18, 18, 18, 0.8);
    border: 1px solid rgba(100, 181, 246, 0.1);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.wind-resource .topic-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(100, 181, 246, 0.1);
    border-color: rgba(100, 181, 246, 0.2);
}

.wind-resource .topic-item h2 {
    color: var(--brand-green);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
}

.wind-resource .topic-item p {
    color: var(--light-gray);
    font-size: 1rem;
    line-height: 1.6;
}

.wind-resource .nav-buttons {
                                                 text-align: center;
    margin-top: 2rem;
}

.btn-secondary {
    background: linear-gradient(90deg, #232526 0%, #414345 100%);
    color: #ff5252;
    border-radius: 25px;
    padding: 0.7rem 1.3rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}
.btn-secondary:hover {
    background: linear-gradient(90deg, #414345 0%, #232526 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}

/* YouTube Preview Styles */
.youtube-preview {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.youtube-preview img {
    width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}

.youtube-preview .youtube-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    background: rgba(255, 0, 0, 0.7);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.youtube-preview .youtube-overlay i {
    color: white;
    font-size: 30px;
}

.youtube-preview:hover img {
    transform: scale(1.02);
}

.youtube-preview:hover .youtube-overlay {
    opacity: 1;
}

/* Download Button Styles */
.download-section {
    text-align: center;
    margin: 2rem 0;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    background-color: var(--brand-green);
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
}

.btn-download:hover {
    background-color: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-download i {
    margin-right: 10px;
    font-size: 1.2em;
}

/* Downloads Grid Styles */
.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

.download-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.download-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.download-item h3 {
    color: var(--brand-green);
    margin: 0;
    font-size: 1.2rem;
}

.download-item p {
    flex-grow: 1;
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.download-item .btn-download {
    align-self: flex-start;
    margin-top: auto;
    background-color: var(--brand-green);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
}

.download-item .btn-download:hover {
    background-color: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.download-item .btn-download i {
    font-size: 1.2em;
}

@media (max-width: 768px) {
    .downloads-grid {
        grid-template-columns: 1fr;
    }
    
    .download-item {
        text-align: center;
    }
    
    .download-item .btn-download {
        align-self: center;
    }
}

/* --- Section Utilisation de l'énergie solaire : Dark Theme --- */
.solar-usage.redesigned {
    background: linear-gradient(135deg, #181c24 0%, #232a36 100%);
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.45);
    padding: 2.5rem 2rem;
    margin: 2rem 0;
    font-family: 'Montserrat', 'Open Sans', sans-serif;
    color: #e3eafc;
    position: relative;
    overflow: hidden;
}
.solar-usage.redesigned::before {
    content: "";
    position: absolute;
    top: -60px; left: -60px;
    width: 180px; height: 180px;
    background: radial-gradient(circle, #fbc02d33 0%, transparent 70%);
    z-index: 0;
    justify-content: center;
    gap: 0.7rem;
}
.usage-title i {
    color: #fbc02d;
    font-size: 2.2rem;
}
.usage-intro {
    font-size: 1.15rem;
    color: var(--dark-gray, #444);
    margin-bottom: 0.5rem;
}
.usage-section {
    margin-bottom: 2.2rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px solid #e0e0e0;
}
.usage-section:last-child {
    border-bottom: none;
}
.usage-section h2 {
    font-size: 1.35rem;
    color: var(--brand-green, #2e7d32);
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.usage-section h2 i {
    color: #fbc02d;
    font-size: 1.3rem;
}
.usage-block {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: 1.2rem 1rem 1.2rem 1.2rem;
    margin-bottom: 1.2rem;
    transition: box-shadow 0.2s;
}
.usage-block:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
}
.usage-block h3 {
    font-size: 1.08rem;
    color: #1976d2;
    margin-bottom: 0.5rem;
}
.usage-block p {
    font-size: 1rem;
    color: #333;
    margin-bottom: 0.3rem;
}
.usage-example {
    background: #e3f2fd;
    border-left: 4px solid #1976d2;
    border-radius: 8px;
    padding: 0.7rem 1rem;
    margin-top: 0.5rem;
    font-size: 0.98rem;
    color: #1976d2;
}
.example-label {
    font-weight: 600;
    color: #1565c0;
    margin-right: 0.3rem;
}
@media (max-width: 900px) {
    .solar-usage.redesigned {
        padding: 1.2rem 0.5rem;
    }
    .usage-title {
        font-size: 1.3rem;
    }
    .usage-section h2 {
        font-size: 1.1rem;
    }
    .usage-block {
        padding: 0.8rem 0.5rem;
    }
}

/* PDF Download Button Styles in Dark Mode */
.usage-pdf-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.7rem;
}
.btn-download.dark {
    background: linear-gradient(90deg, #232526 0%, #414345 100%);
    color: #ff5252;
    border-radius: 25px;
    padding: 0.7rem 1.3rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}
.btn-download.dark:hover {
    background: linear-gradient(90deg, #414345 0%, #232526 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}
.btn-download.dark i {
    font-size: 1.2em;
}