/* ========================================
   آرابنز - الصفحة الرئيسية - ملف التصميم
   تصميم عصري وجذاب يتماشى مع الهوية البصرية
   ======================================== */

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

:root {
    /* ألوان الهوية البصرية للموقع - حسب شعار آرابنز */
    --primary-color: #00B5C6; /* الأزرق الأساسي */
    --secondary-color: #FFCC33; /* الأصفر الذهبي */
    --accent-color: #58b8a8; /* التيل المائل للأخضر */
    --coral-color: #db786b; /* اللون المرجاني */
    --soft-pink: #EBAB97; /* الوردي الناعم */
    --cream-color: #FEE09D; /* الكريمي الفاتح */
    --text-primary: #1A202C;
    --text-secondary: #4A5568;
    --text-light: #718096;
    --background-light: #F7FAFC;
    --background-dark: #1A365D;
    --border-color: #E2E8F0;
    --success-color: #48BB78;
    --error-color: #E53E3E;
    --warning-color: #ED8936;
    
    /* التدرج اللوني الأساسي حسب ألوان الشعار */
    --gradient-primary: linear-gradient(135deg, #00B5C6 0%, #58b8a8 50%, #33B9AE 100%);
    --gradient-secondary: linear-gradient(135deg, #FFCC33 0%, #FEE09D 100%);
    --gradient-accent: linear-gradient(135deg, #db786b 0%, #EBAB97 100%);
    
    /* الظلال */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    
    /* المسافات */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* أحجام الخط */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* انتقالات */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

body {
    font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: #ffffff;
    direction: rtl;
    text-align: right;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: var(--space-md);
    font-weight: 600;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

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

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 1000;
    border-radius: 0 0 4px 4px;
    transition: var(--transition-base);
}

.skip-link:focus {
    top: 0;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    font-size: var(--text-base);
    position: relative;
    overflow: hidden;
}

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

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

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

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

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

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, #00B5C6 0%, #2D3748 50%, #1A365D 100%);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

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

.nav-brand .logo {
    height: 40px;
    width: auto;
    max-width: 180px;
}

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

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    margin: 0;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: 25px;
    transition: var(--transition-base);
    position: relative;
}

.nav-link:hover,
.nav-link:focus {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.btn-consultation {
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn-consultation:hover {
    background: #FFD700;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}



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

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: var(--transition-base);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-primary);
    position: relative;
    padding: 100px 0 var(--space-3xl);
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.1) 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, rgba(214,158,46,0.3) 1px, transparent 1px);
    background-size: 100px 100px, 50px 50px;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-20px) translateX(10px); }
    100% { transform: translateY(0px) translateX(0px); }
}

.hero .container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    z-index: 2;
    position: relative;
}

.hero-content {
    color: white;
}

.hero-title {
    margin-bottom: var(--space-xl);
    font-weight: 800;
}

.typing-text {
    display: inline-block;
    position: relative;
    animation: typing 3s steps(20) 1s both;
    white-space: nowrap;
    overflow: hidden;
    border-left: 3px solid var(--secondary-color);
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

.hero-subtitle {
    color: var(--accent-color);
    font-weight: 400;
    font-size: var(--text-2xl);
    display: block;
    margin-top: var(--space-md);
}

.hero-description {
    font-size: var(--text-xl);
    line-height: 1.8;
    margin: var(--space-xl) 0;
    color: rgba(247, 250, 252, 0.9);
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    margin: var(--space-2xl) 0;
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--secondary-color);
    display: block;
    transition: var(--transition-slow);
    letter-spacing: 1px;
}

.stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--space-xs);
}

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

.hero-book {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    animation: pulse 3s ease-in-out infinite;
}

.hero-book i {
    font-size: 80px;
    color: white;
}

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

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 50%;
    transform: translateX(50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

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

/* Services Section */
.services {
    padding: var(--space-3xl) 0;
    background: var(--background-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-2xl);
}

.service-card {
    background: white;
    padding: var(--space-2xl);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
}

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

.service-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, white 0%, rgba(0, 181, 198, 0.05) 100%);
}

.service-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: 15px;
    font-size: var(--text-sm);
    font-weight: 600;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-md);
}

.service-icon i {
    font-size: var(--text-2xl);
    color: white;
}

.service-title {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.service-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.service-features i {
    color: var(--success-color);
    font-size: var(--text-sm);
}

.service-btn {
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-md) var(--space-xl);
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

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

/* Wide Service Card - إنشاء المواقع الإلكترونية */
.wide-service-card {
    margin-top: var(--space-3xl);
    background: linear-gradient(135deg, #ffffff 0%, rgba(0, 181, 198, 0.03) 50%, rgba(255, 204, 51, 0.02) 100%);
    border-radius: 25px;
    border: 2px solid var(--border-color);
    overflow: hidden;
    position: relative;
    transition: var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.wide-service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.wide-service-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
    padding: var(--space-3xl);
    align-items: center;
}

.wide-service-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    position: relative;
}

.wide-service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-3xl);
    color: white;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.wide-service-text {
    flex: 1;
}

.wide-service-title {
    font-size: var(--text-3xl);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-weight: 700;
}

.wide-service-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    margin: 0;
    font-style: italic;
}

.wide-service-badge {
    background: var(--gradient-accent);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: 15px;
    font-size: var(--text-sm);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    position: absolute;
    top: 0;
    left: 0;
}

.wide-service-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: var(--text-lg);
    margin-bottom: var(--space-xl);
}

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

.feature-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.feature-item i {
    color: var(--primary-color);
    font-size: var(--text-lg);
    width: 20px;
    text-align: center;
}

/* Website Mockup */
.wide-service-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.website-mockup {
    perspective: 1000px;
}

.mockup-browser {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    width: 300px;
    transform: rotateY(-15deg) rotateX(10deg);
    transition: var(--transition-base);
}

.mockup-browser:hover {
    transform: rotateY(-10deg) rotateX(5deg) scale(1.05);
}

.browser-header {
    background: #f0f0f0;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    border-bottom: 1px solid #ddd;
}

.browser-dots {
    display: flex;
    gap: var(--space-xs);
}

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

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28ca42; }

.browser-url {
    background: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 15px;
    font-size: var(--text-xs);
    color: var(--text-secondary);
    flex: 1;
    text-align: center;
}

.browser-content {
    padding: var(--space-md);
    min-height: 200px;
}

.mockup-header {
    height: 15px;
    background: var(--gradient-primary);
    border-radius: 3px;
    margin-bottom: var(--space-sm);
}

.mockup-nav {
    height: 8px;
    background: var(--border-color);
    border-radius: 2px;
    margin-bottom: var(--space-md);
    width: 70%;
}

.mockup-hero {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    align-items: center;
}

.mockup-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-secondary);
    border-radius: 50%;
}

.mockup-text {
    flex: 1;
}

.text-line {
    height: 6px;
    background: var(--border-color);
    border-radius: 2px;
    margin-bottom: var(--space-xs);
}

.text-line.long { width: 100%; }
.text-line.medium { width: 70%; }

.mockup-books {
    display: flex;
    gap: var(--space-sm);
}

.book-item {
    width: 25px;
    height: 35px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: 2px;
    box-shadow: var(--shadow-sm);
}

/* Call to Action */
.wide-service-cta {
    background: var(--gradient-primary);
    padding: var(--space-xl) var(--space-3xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}

.pricing-info {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
}

.price-text {
    font-size: var(--text-base);
    opacity: 0.9;
}

.price-amount {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--secondary-color);
}

.price-period {
    font-size: var(--text-base);
    opacity: 0.9;
}

.wide-service-btn {
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: var(--space-md) var(--space-2xl);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.wide-service-btn:hover {
    background: #FFD700;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Responsive Design for Wide Service Card */
@media (max-width: 1024px) {
    .wide-service-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .wide-service-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mockup-browser {
        width: 250px;
        transform: none;
    }
    
    .wide-service-cta {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .wide-service-card {
        margin: var(--space-xl) 0;
    }
    
    .wide-service-content {
        padding: var(--space-xl);
    }
    
    .wide-service-header {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .wide-service-features {
        grid-template-columns: 1fr;
    }
    
    .wide-service-title {
        font-size: var(--text-2xl);
    }
    
    .mockup-browser {
        width: 200px;
    }
    
    .wide-service-cta {
        padding: var(--space-lg);
    }
}

/* Articles Section */
.articles {
    padding: var(--space-3xl) 0;
    background: white;
}

.articles-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.tab-btn {
    background: transparent;
    border: 2px solid var(--border-color);
    padding: var(--space-md) var(--space-xl);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition-base);
    font-weight: 500;
    color: var(--text-secondary);
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

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

.article-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.article-image {
    height: 200px;
    background: var(--background-light);
    background-size: cover;
    background-position: center;
    position: relative;
}

.article-category {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: 15px;
    font-size: var(--text-sm);
    font-weight: 600;
}

.article-content {
    padding: var(--space-xl);
}

.article-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.article-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-base);
}

.article-title a:hover {
    color: var(--primary-color);
}

.article-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.article-meta {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    color: var(--text-light);
    font-size: var(--text-sm);
}

.article-read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    transition: var(--transition-base);
}

.article-read-more:hover {
    color: var(--accent-color);
    transform: translateX(-3px);
}

.loading-articles {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-md);
}

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

.articles-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* Newsletter Section */
.newsletter {
    padding: var(--space-3xl) 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.newsletter-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.newsletter-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(214,158,46,0.3) 2px, transparent 2px),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 80px 80px, 40px 40px;
    animation: float 25s linear infinite reverse;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.newsletter-text {
    color: white;
}

.newsletter-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.newsletter-title i {
    color: var(--secondary-color);
}

.newsletter-description {
    font-size: var(--text-lg);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    color: rgba(255, 255, 255, 0.9);
}

.newsletter-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.benefit {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: white;
}

.benefit i {
    color: var(--secondary-color);
    font-size: var(--text-lg);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-2xl);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-slow);
}

.form-group {
    position: relative;
}

.form-input {
    width: 100%;
    padding: var(--space-lg) var(--space-xl) var(--space-lg) 50px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: var(--text-base);
    font-family: inherit;
    transition: var(--transition-base);
    backdrop-filter: blur(5px);
}

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

.form-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(214, 158, 46, 0.2);
}

.form-icon {
    position: absolute;
    right: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-lg);
}

.newsletter-btn {
    background: var(--secondary-color);
    color: var(--text-primary);
    border: none;
    padding: var(--space-lg) var(--space-2xl);
    border-radius: 50px;
    font-size: var(--text-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    box-shadow: var(--shadow-md);
}

.newsletter-btn:hover:not(:disabled) {
    background: #FFD700;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.newsletter-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Message Styles */
.message {
    position: fixed;
    top: 100px;
    right: 30px;
    z-index: 1001;
    max-width: 400px;
    border-radius: 15px;
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl);
    transform: translateX(420px);
    transition: var(--transition-slow);
    border: 1px solid transparent;
}

.message.show {
    transform: translateX(0);
}

.success-message {
    background: linear-gradient(135deg, var(--success-color), #68D391);
    color: white;
    border-color: var(--success-color);
}

.error-message {
    background: linear-gradient(135deg, var(--error-color), #FC8181);
    color: white;
    border-color: var(--error-color);
}

.message-content {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.message-icon {
    font-size: var(--text-2xl);
    margin-top: var(--space-xs);
}

.message-text h3 {
    margin-bottom: var(--space-sm);
    font-size: var(--text-lg);
}

.message-text p {
    margin: 0;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.95);
}

/* Footer Styles */
.footer {
    background: var(--background-dark);
    color: white;
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-section h4 {
    color: var(--secondary-color);
    margin-bottom: var(--space-lg);
    font-size: var(--text-xl);
}

.footer-logo img {
    height: 50px;
    margin-bottom: var(--space-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

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

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(0, 181, 198, 0.2);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-base);
    font-size: var(--text-lg);
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

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

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-right: var(--space-sm);
}

.contact-info .contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    color: rgba(255, 255, 255, 0.8);
}

.contact-item i {
    color: var(--secondary-color);
    width: 20px;
}

.contact-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-base);
}

.contact-item a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-copyright a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-book {
        width: 150px;
        height: 150px;
    }
    
    .hero-book i {
        font-size: 60px;
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        right: 0;
        left: 0;
        background: var(--background-dark);
        flex-direction: column;
        padding: var(--space-xl);
        transform: translateY(-100%);
        transition: var(--transition-base);
        opacity: 0;
        visibility: hidden;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: var(--space-md);
    }
    

    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        min-height: 80vh;
        padding: 120px 0 var(--space-2xl);
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .hero-stats {
        justify-content: center;
        gap: var(--space-lg);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-title {
        font-size: var(--text-2xl);
        flex-direction: column;
        text-align: center;
    }
    
    .message {
        right: 15px;
        left: 15px;
        max-width: none;
        transform: translateY(-100px);
    }
    
    .message.show {
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .section-title {
        font-size: var(--text-2xl);
    }
    
    .service-card {
        padding: var(--space-lg);
    }
    
    .newsletter-form {
        padding: var(--space-lg);
    }
    
    .form-input {
        padding: var(--space-md) var(--space-lg) var(--space-md) 40px;
    }
    
    .form-icon {
        right: var(--space-md);
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

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

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
.form-input:focus,
.tab-btn:focus {
    outline: 3px solid var(--secondary-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-color: #666666;
    }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: var(--text-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.scroll-to-top:active {
    transform: translateY(-1px);
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}