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

:root {
    /* Colors inspired by CodeWithHamza */
    --primary-green: #00D084;
    --secondary-green: #00B574;
    --dark-green: #00A366;
    --light-green: #E8FFF5;
    
    /* Gradient backgrounds */
    --gradient-primary: linear-gradient(135deg, #00D084 0%, #00B574 50%, #00A366 100%);
    --gradient-secondary: linear-gradient(135deg, #E8FFF5 0%, #F0FFF8 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    
    /* Text colors */
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #ffffff;
    --text-muted: #999999;
    
    /* Background colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #1a1a1a;
    
    /* Shadow and effects */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    --shadow-green: 0 4px 20px rgba(0, 208, 132, 0.3);
    
    /* Border radius */
    --radius-small: 6px;
    --radius-medium: 12px;
    --radius-large: 20px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}
.nav-profile {
    position: relative;
    margin-left: 20px;
    display: flex;
    align-items: center;
}

.profile-pic {
    width: 12px;          /* Further reduced */
    height: 12px;         /* Further reduced */
    border-radius: 50%;
    cursor: pointer;
    border: 1px solid #ffffff;
    transition: transform 0.2s;
    margin-left: 10px;
}

.profile-pic:hover {
    transform: scale(1.1);
}

.profile-dropdown {
    display: none;
    position: absolute;
    right: -10px;
    top: 140%;           /* Slightly adjusted for smaller pic */
    background: white;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    min-width: 180px;
    z-index: 1000;
}

.profile-name {
    font-weight: 600;
    margin: 0 0 5px 0;
    color: #333;
    font-size: 13px;
}

.profile-email {
    font-size: 12px;
    color: #666;
    margin: 0 0 8px 0;
}

.logout-button {
    width: 100%;
    padding: 6px;
    background: #04c97d;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
    font-size: 12px;
}

.logout-button:hover {
    background: #03a968;
}

.nav-profile.active .profile-dropdown {
    display: block;
}


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

/* Utility Classes */
.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-medium);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-green);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 208, 132, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-green);
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid var(--primary-green);
    border-radius: var(--radius-medium);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    background: var(--primary-green);
    color: var(--text-light);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid var(--text-secondary);
    border-radius: var(--radius-medium);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-outline:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
    transform: translateY(-2px);
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color:var(--dark-green);
    background-clip: text;
    font-weight: 700;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: rgb(43, 42, 42);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 208, 132, 0.1);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-green);
    text-decoration: none;
}

.nav-logo i {
    font-size: var(--font-size-2xl);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-green);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: var(--spacing-xl);
}

.btn-login {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-small);
    transition: all var(--transition-normal);
}

.btn-login:hover {
    background: var(--light-green);
    color: var(--primary-green);
}

.btn-signup {
    background: var(--gradient-primary);
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-medium);
    transition: all var(--transition-normal);
}

.btn-signup:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-green);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-green);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><rect width="100%" height="100%" fill="url(%23a)"/></svg>');
    opacity: 0.5;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}
.nav-profile {
    position: relative;
    margin-left: 20px;
    display: flex;
    align-items: center;
}

.profile-pic {
    width: 36px;              /* Medium size */
    height: 36px;             /* Medium size */
    border-radius: 50%;
    cursor: pointer;
    border: 1px solid #ffffff;
    transition: transform 0.2s;
    margin-left: 10px;
}

.profile-pic:hover {
    transform: scale(1.1);
}

.profile-dropdown {
    display: none;
    position: absolute;
    right: -10px;
    top: 140%;                /* Adjust if dropdown looks off */
    background: white;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    min-width: 180px;
    z-index: 1000;
}

.profile-name {
    font-weight: 600;
    margin: 0 0 5px 0;
    color: #333;
    font-size: 13px;
}

.profile-email {
    font-size: 12px;
    color: #666;
    margin: 0 0 8px 0;
}

.logout-button {
    width: 100%;
    padding: 6px;
    background: #04c97d;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
    font-size: 12px;
}

.logout-button:hover {
    background: #03a968;
}

.nav-profile.active .profile-dropdown {
    display: block;
}



.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.hero-buttons .btn-primary {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-buttons .btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.hero-buttons .btn-secondary {
    background: transparent;
    color: var(--text-light);
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--text-light);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
    color: var(--text-light);
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Code Editor Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.code-editor {
    background: var(--bg-dark);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-heavy);
    width: 100%;
    max-width: 500px;
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-slow);
}

.code-editor:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.editor-header {
    background: #2d2d2d;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #404040;
}

.editor-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.red { background: #ff5f56; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #27ca3f; }

.editor-title {
    color: #ffffff;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.editor-content {
    padding: var(--spacing-lg);
    background: #1a1a1a;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.code-line {
    display: flex;
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.line-number {
    color: #666666;
    margin-right: var(--spacing-md);
    width: 20px;
    text-align: right;
    font-size: var(--font-size-sm);
}

.code-text {
    color: #ffffff;
    font-size: var(--font-size-sm);
}

.keyword { color: #ff79c6; }
.function { color: #50fa7b; }
.variable { color: #8be9fd; }
.string { color: #f1fa8c; }

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: var(--text-light);
    animation: float 3s ease-in-out infinite;
}

.floating-icon.js {
    background: #f7df1e;
    color: #000000;
    top: -20px;
    right: -20px;
    animation-delay: 0s;
}

.floating-icon.py {
    background: #3776ab;
    top: 50%;
    left: -20px;
    animation-delay: 1s;
}

.floating-icon.react {
    background: #61dafb;
    color: #000000;
    bottom: -20px;
    right: 50px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Courses Section */
.courses-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.course-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid #e0e0e0;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-medium);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--text-light);
    border-color: var(--primary-green);
    transform: translateY(-2px);
}

.course-search {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
}

.search-box {
    position: relative;
    max-width: 400px;
    width: 100%;
}

.search-box i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-box input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) var(--spacing-3xl);
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-medium);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-normal);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-green);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.course-card {
    background: var(--bg-primary);
    border-radius: var(--radius-large);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.course-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.course-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--text-light);
    flex-shrink: 0;
}

.course-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.course-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.course-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.course-tags {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.course-tag {
    background: var(--light-green);
    color: var(--primary-green);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-small);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

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

.course-price {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-green);
}

.course-btn {
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-medium);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.view-all-courses {
    text-align: center;
}

/* Features Section */
.features-section {
    padding: var(--spacing-3xl) 0;
    background: rgb(0, 0, 0);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-large);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-light);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: black;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--text-light);
    font-size: var(--font-size-2xl);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: black;
}

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

/* Testimonials Section */
.testimonials-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-secondary);
}

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

.testimonial-card {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

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

.testimonial-content p {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.6;
    font-size: var(--font-size-lg);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: var(--font-size-lg);
}

.author-info h4 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.author-info span {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.testimonial-rating {
    color: #ffc107;
}

/* About Section */
.about-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.about-text p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.about-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

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

.about-stat h3 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
}

.about-stat p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

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

.about-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 120px;
    box-shadow: var(--shadow-green);
}

/* Newsletter Section */
.newsletter-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-primary);
    text-align: center;
}

.newsletter-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.newsletter-content p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
}

.newsletter-form {
    max-width: 500px;
    margin: 0 auto var(--spacing-lg);
}

.input-group {
    display: flex;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm);
    border-radius: var(--radius-medium);
    backdrop-filter: blur(10px);
}

.input-group input {
    flex: 1;
    background: transparent;
    border: none;
    padding: var(--spacing-md);
    color: var(--text-light);
    font-size: var(--font-size-base);
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.input-group input:focus {
    outline: none;
}

.input-group .btn-primary {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.newsletter-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: var(--spacing-lg);
}

.footer-logo i {
    font-size: var(--font-size-2xl);
}

.footer-section p {
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 208, 132, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-green);
    color: var(--text-light);
    transform: translateY(-2px);
}

.footer-section h3 {
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: #cccccc;
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-section ul li a:hover {
    color: var(--primary-green);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid #333333;
    color: #999999;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-green);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 208, 132, 0.4);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    visibility: visible;
    transition: all var(--transition-slow);
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-spinner {
    text-align: center;
    color: var(--text-light);
}

.loading-spinner i {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
    animation: spin 2s linear infinite;
}

.loading-spinner p {
    font-size: var(--font-size-lg);
    font-weight: 500;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}