/* Welcome Page Styles - Edugine */

/* CSS Variables */
:root {
    --primary-color: #FF6B35;
    --secondary-color: #1E3A5F;
    --accent-color: #4ECDC4;
    --text-primary: #2C3E50;
    --text-secondary: #7F8C8D;
    --background-light: #F8FAFC;
    --background-dark: #1A202C;
    --white: #FFFFFF;
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, #FF8A65 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, #2C5282 100%);
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background-light);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--gradient-bg);
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    animation: float 20s infinite linear;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    left: 80%;
    animation-delay: -5s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 20%;
    animation-delay: -10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 30%;
    left: 70%;
    animation-delay: -15s;
}

.shape-5 {
    width: 140px;
    height: 140px;
    top: 10%;
    left: 50%;
    animation-delay: -7s;
}

@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    33% {
        transform: translateY(-30px) rotate(120deg);
        opacity: 1;
    }
    66% {
        transform: translateY(-60px) rotate(240deg);
        opacity: 0.7;
    }
    100% {
        transform: translateY(0px) rotate(360deg);
        opacity: 0.7;
    }
}

/* Main Container */
.welcome-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

/* Header Styles */
.welcome-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 100;
    animation: slideDown 0.8s ease-out;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    box-shadow: var(--shadow-medium);
    animation: pulse 2s infinite;
}

.logo-text {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gradient-secondary);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.nav-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Hero Section */
.hero-section {
    padding: 100px 5% 80px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-text {
    animation: slideInRight 1s ease-out 0.5s both;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
}

.title-line {
    display: block;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.title-brand {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 4rem;
    animation: glow 2s ease-in-out infinite alternate;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

/* Hero Visual */
.hero-visual {
    animation: slideInLeft 1s ease-out 0.7s both;
}

.dashboard-preview {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-heavy);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition);
}

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

.preview-header {
    background: #f8f9fa;
    padding: 15px 20px;
    border-bottom: 1px solid #e9ecef;
}

.preview-dots {
    display: flex;
    gap: 8px;
}

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

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

.preview-content {
    display: flex;
    height: 300px;
}

.preview-sidebar {
    width: 60px;
    background: var(--secondary-color);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    gap: 15px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.sidebar-item.active,
.sidebar-item:hover {
    color: var(--primary-color);
    background: rgba(255, 107, 53, 0.1);
}

.preview-main {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.preview-card {
    background: #f8f9fa;
    border-radius: var(--border-radius);
    padding: 20px;
    flex: 1;
}

.card-header {
    height: 20px;
    background: var(--primary-color);
    border-radius: 4px;
    margin-bottom: 15px;
    opacity: 0.8;
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.card-line {
    height: 8px;
    background: #dee2e6;
    border-radius: 4px;
}

.card-line.long { width: 100%; }
.card-line.medium { width: 70%; }
.card-line.short { width: 40%; }

.preview-stats {
    display: flex;
    gap: 15px;
}

.stat-item {
    flex: 1;
    height: 60px;
    background: #f8f9fa;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-circle {
    width: 30px;
    height: 30px;
    background: var(--accent-color);
    border-radius: 50%;
    opacity: 0.8;
}

/* Features Section */
.features-section {
    padding: 100px 5%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    animation: fadeInUp 1s ease-out;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid rgba(255, 107, 53, 0.1);
    animation: fadeInUp 1s ease-out;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    color: var(--white);
    box-shadow: var(--shadow-medium);
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Footer */
.welcome-footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 60px 5% 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 40px;
}

.footer-brand {
    animation: fadeInUp 1s ease-out;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 20px;
}

.footer-logo i {
    color: var(--primary-color);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-section {
    animation: fadeInUp 1s ease-out;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
}

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

.footer-list li {
    margin-bottom: 10px;
}

.footer-list a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-list a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Animations */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

@keyframes slideInRight {
    from {
        transform: translateX(-50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

@keyframes glow {
    from {
        text-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
    }
    to {
        text-shadow: 0 0 30px rgba(255, 107, 53, 0.8);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .title-brand {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .welcome-header {
        padding: 15px 4%;
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-section {
        padding: 60px 4% 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .title-brand {
        font-size: 3rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .features-section {
        padding: 60px 4%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .title-brand {
        font-size: 2.5rem;
    }
    
    .btn-primary, .btn-secondary {
        padding: 12px 24px;
        font-size: 1rem;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .dashboard-preview {
        transform: none;
    }
}