/* Custom Styles for AI Resume Tool Website */

:root {
    --primary-color: #0066cc;
    --secondary-color: #28a745;
    --accent-color: #ffc107;
    --dark-color: #2c3e50;
    --light-color: #f8f9fa;
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-color) !important;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-bg);
    position: relative;
    overflow: hidden;
    padding-top: 100px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-image {
    position: relative;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

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

.hero-badges .badge {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    margin: 0.2rem;
}

.hero-buttons .btn {
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.hero-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Feature Cards */
.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.feature-card h4 {
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Demo Section */
.demo-container {
    max-width: 100%;
}

.upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: #e3f2fd;
}

.upload-area i {
    font-size: 3rem;
    color: #6c757d;
    margin-bottom: 1rem;
}

.upload-area.active {
    border-color: var(--secondary-color);
    background: #e8f5e8;
}

/* Process Steps */
.process-step {
    position: relative;
    padding: 2rem 1rem;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3);
}

.step-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin: 2rem 0 1rem;
}

.process-step h5 {
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Technology Stack */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tech-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Contact Section */
.contact-item {
    padding: 2rem 1rem;
}

.contact-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-item h5 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Results Display */
.match-score {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--secondary-color);
}

.skill-tag {
    background: var(--light-color);
    border: 1px solid #dee2e6;
    padding: 0.3rem 0.8rem;
    margin: 0.2rem;
    border-radius: 15px;
    font-size: 0.9rem;
    display: inline-block;
}

.skill-tag.matched {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* Progress Bars */
.progress {
    height: 10px;
    border-radius: 10px;
    background: #e9ecef;
}

.progress-bar {
    border-radius: 10px;
    transition: width 1s ease-in-out;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding-top: 80px;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .feature-card {
        margin-bottom: 2rem;
    }
    
    .tech-stack {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero-content {
        text-align: center;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .step-icon {
        font-size: 2rem;
    }
    
    .contact-icon {
        font-size: 2rem;
    }
}

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-color);
}

/* Button Hover Effects */
.btn {
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

/* Card Hover Effects */
.card {
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Alert Styles */
.alert {
    border-radius: 10px;
    border: none;
}

.alert-success {
    background: linear-gradient(45deg, #28a745, #20c997);
    color: white;
}

.alert-info {
    background: linear-gradient(45deg, #17a2b8, #20c997);
    color: white;
}

.alert-warning {
    background: linear-gradient(45deg, #ffc107, #fd7e14);
    color: white;
}