/* ROCR Digital - Modern CSS Framework */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    margin: 0;
    padding: 0;
    padding-top: 80px; /* Navbar için alan bırak */
    overflow-x: hidden;
}

/* CSS Variables */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #f59e0b;
    --accent-color: #ec4899;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-light: #f8fafc;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

/* Typography */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    line-height: 1;
}

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

.btn-primary: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;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.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, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 0.3rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    color: #333;
    font-weight: 700;
    font-size: 1.4rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.navbar-brand:hover {
    color: var(--primary-color);
}

.navbar .logo {
    height: 50px;
    width: auto;
    transition: all 0.3s ease;
}

.navbar.scrolled .logo {
    height: 40px;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-menu::-webkit-scrollbar {
    display: none;
}

.nav-item {
    flex-shrink: 0;
}

.nav-link {
    display: block;
    padding: 0.8rem 1rem;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
    flex-shrink: 0;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
@media (max-width: 1024px) {
    .navbar .container {
        padding: 0 1.5rem;
    }
    
    .nav-menu {
        gap: 0.3rem;
    }
    
    .nav-link {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        padding: 0 1rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
        gap: 0.6rem;
    }
    
    .navbar .logo {
        height: 40px;
    }
    
    .navbar.scrolled .logo {
        height: 35px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 2rem 1rem;
        gap: 0.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border-top: 1px solid rgba(0, 0, 0, 0.1);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: 1rem;
        text-align: center;
        border-radius: 12px;
        font-size: 1rem;
    }
    
    .nav-link:hover,
    .nav-link.active {
        background: rgba(102, 126, 234, 0.15);
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
    padding: 2rem 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-content {
    margin-bottom: 3rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.text-gradient {
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-highlight {
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-description {
    font-size: 1.3rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.hero-feature:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.hero-feature i {
    font-size: 1.2rem;
    color: #ffd700;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffd700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 500;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-down {
    display: inline-block;
    color: white;
    font-size: 1.2rem;
    animation: bounce 2s infinite;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem;
    border-radius: 50%;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.scroll-down:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: #ffd700;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero {
        min-height: 90vh;
        padding: 1rem 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-features {
        gap: 1rem;
    }
    
    .hero-feature {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    background: var(--bg-secondary);
}

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

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

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

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

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Projects Section */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.project-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.project-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.project-tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 0.8rem;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-weight: 500;
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.about-image img {
    width: 100%;
    border-radius: var(--border-radius-lg);
}

/* Partners Section */
.partners {
    background: var(--bg-secondary);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    align-items: center;
    justify-items: center;
}

.partner-item {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    width: 100%;
    max-width: 250px;
}

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

.partner-logo {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    transition: var(--transition);
}

.partner-item:hover .partner-logo {
    filter: grayscale(0%);
}

/* Blog Section */
.blog {
    background: var(--bg-secondary);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.blog-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: 1.5rem;
}

.blog-date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.blog-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.blog-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Newsletter Section */
.newsletter-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: #ffffff;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.newsletter-text h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
}

.newsletter-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    line-height: 1.6;
}

.newsletter-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.benefit-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.newsletter-form-wrapper {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.newsletter-input-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.newsletter-form input {
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    color: #1f2937;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.newsletter-form input:focus {
    outline: none;
    border-color: #ffffff;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.newsletter-form input::placeholder {
    color: #6b7280;
}

.newsletter-btn {
    background: #ffffff;
    color: #6366f1;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.newsletter-btn:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.newsletter-btn:active {
    transform: translateY(0);
}

.newsletter-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.newsletter-privacy {
    text-align: center;
    opacity: 0.8;
}

.newsletter-privacy small {
    font-size: 0.8rem;
    line-height: 1.4;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Form Error States */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.field-error {
    color: var(--danger-color);
    font-size: 0.8rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.field-error::before {
    content: "⚠";
    font-size: 0.9rem;
}

/* Drag and Drop States */
.file-input-wrapper.drag-over {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
    transform: scale(1.02);
}

.file-input-wrapper.drag-over .file-input-display {
    color: var(--primary-color);
}

/* Success States */
.form-group input.success,
.form-group select.success,
.form-group textarea.success {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

/* Form Animations */
.form-group {
    position: relative;
}

.form-group input,
.form-group select,
.form-group textarea {
    transition: all 0.3s ease;
}

.form-group label {
    transition: all 0.3s ease;
}

/* Floating Labels Effect */
.form-group.floating label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: white;
    padding: 0 0.5rem;
    color: var(--text-secondary);
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-group.floating input:focus + label,
.form-group.floating input:not(:placeholder-shown) + label,
.form-group.floating select:focus + label,
.form-group.floating select:not([value=""]) + label,
.form-group.floating textarea:focus + label,
.form-group.floating textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    font-size: 0.8rem;
    color: var(--primary-color);
}

/* Enhanced Button States */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn.loading {
    position: relative;
    overflow: hidden;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: buttonShimmer 1.5s infinite;
}

@keyframes buttonShimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
}

.footer-description {
    color: #9ca3af;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-contact p {
    color: #9ca3af;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links-bottom {
    display: flex;
    gap: 2rem;
}

.footer-links-bottom a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links-bottom a:hover {
    color: white;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

/* AI Assistant */
.ai-assistant {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1500;
}

.ai-toggle {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.ai-toggle:hover {
    transform: scale(1.1);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
    }
}

.ai-chat {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 350px;
    height: 500px;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.ai-chat.active {
    display: flex;
    animation: slideUp 0.3s ease;
}

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

.ai-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--gradient-primary);
    color: white;
}

.ai-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ai-avatar {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.ai-details h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.ai-status {
    font-size: 0.8rem;
    opacity: 0.8;
}

.ai-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

.ai-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.ai-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ai-message {
    max-width: 80%;
}

.ai-message-bot {
    align-self: flex-start;
}

.ai-message-user {
    align-self: flex-end;
}

.ai-message-content {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    max-width: 80%;
    word-wrap: break-word;
    line-height: 1.5;
}

.ai-message-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.ai-message-user .ai-message-time {
    text-align: right;
}

.ai-message-bot .ai-message-time {
    text-align: left;
}

.ai-message-user .ai-message-content {
    background: var(--primary-color);
    color: white;
    margin-left: auto;
}

.ai-message-bot .ai-message-content {
    background: var(--bg-secondary);
    color: var(--text-primary);
    margin-right: auto;
}

.ai-message-content strong {
    font-weight: 600;
    color: var(--primary-color);
}

.ai-message-content em {
    font-style: italic;
    color: var(--text-secondary);
}

.ai-message-bot .ai-message-content strong {
    color: var(--primary-color);
}

.ai-message-user .ai-message-content strong {
    color: rgba(255, 255, 255, 0.9);
}

/* Typing Indicator */
.typing-indicator {
    opacity: 0.7;
}

.typing-dots {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* AI Chat Enhanced Styles */
.ai-chat.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    box-shadow: var(--shadow-xl);
}

.ai-chat-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-chat-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.ai-chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.ai-chat-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.ai-messages {
    height: 300px;
    overflow-y: auto;
    padding: 1rem;
    background: white;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ai-input-container {
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    display: flex;
    gap: 0.5rem;
}

.ai-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    resize: none;
    min-height: 40px;
    max-height: 100px;
}

.ai-send-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
}

.ai-send-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.ai-send-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Scrollbar Styling for AI Messages */
.ai-messages::-webkit-scrollbar {
    width: 6px;
}

.ai-messages::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.ai-messages::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.ai-messages::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Loading */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loading-overlay.active {
    display: flex;
}

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

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

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

/* Utility Classes */
.text-center {
    text-align: center;
}

.img-fluid {
    max-width: 100%;
    height: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        transition: var(--transition);
        opacity: 0;
        visibility: hidden;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .ai-chat {
        width: 300px;
        height: 400px;
    }

    .ai-assistant {
        bottom: 1rem;
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn-lg {
        padding: 14px 24px;
        font-size: 14px;
    }

    .modal-content {
        width: 95%;
    }

    .ai-chat {
        width: 280px;
        right: -15px;
    }
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loading-content {
    text-align: center;
    color: white;
}

.loading-logo {
    margin-bottom: 2rem;
    animation: logoFloat 3s ease-in-out infinite;
}

.loading-logo-img {
    height: 320px;
    width: auto;
    filter: brightness(0) invert(1);
}

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

.loading-spinner {
    margin-bottom: 2rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

.loading-text {
    max-width: 300px;
    margin: 0 auto;
}

.loading-message {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.loading-progress {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    border-radius: 2px;
    transition: width 0.3s ease;
    animation: progressLoad 3s ease-out forwards, progressGlow 2s ease-in-out infinite alternate;
}

@keyframes progressGlow {
    0% {
        box-shadow: 0 0 5px var(--accent-color);
    }
    100% {
        box-shadow: 0 0 20px var(--accent-color), 0 0 30px var(--accent-color);
    }
}

@keyframes progressLoad {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* Enhanced Contact Form */
.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group select {
    cursor: pointer;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
    appearance: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* File Upload */
.file-upload {
    position: relative;
}

.file-input-wrapper {
    position: relative;
    overflow: hidden;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
}

.file-input-wrapper:hover {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.05);
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

.file-input-display {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.file-input-display i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

.file-input-display span {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.file-input-display small {
    font-size: 0.8rem;
    opacity: 0.7;
}

.file-list {
    margin-top: 1rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--background-light);
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.file-info i {
    color: var(--primary-color);
}

.file-remove {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 50%;
    transition: var(--transition);
}

.file-remove:hover {
    background: rgba(220, 53, 69, 0.1);
}

/* Checkbox Styles */
.form-checkbox-container {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-top: 0.5rem;
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    position: relative;
}

.checkbox-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkbox-text {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-color);
    width: 100%;
    padding: 0;
}

.custom-checkbox {
    position: relative;
    height: 20px;
    width: 20px;
    background-color: white;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    flex-shrink: 0;
    margin-top: 2px;
    transition: all 0.2s ease;
}

.checkbox-item:hover .custom-checkbox {
    border-color: var(--primary-color);
    background-color: rgba(102, 126, 234, 0.05);
}

.checkbox-item input:checked + .checkbox-text .custom-checkbox {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.custom-checkbox:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-item input:checked + .checkbox-text .custom-checkbox:after {
    display: block;
}

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

.checkbox-text a:hover {
    text-decoration: underline;
}

/* Form Note */
.form-note {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    background: rgba(102, 126, 234, 0.1);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-note i {
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.form-note div p {
    margin: 0.5rem 0;
    line-height: 1.4;
}

.form-note div p:last-child {
    margin-bottom: 1.5rem;
}

/* Button Loading State */
.btn-loading {
    display: none;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Responsive Form */
@media (max-width: 768px) {
    .contact-form {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .file-input-display {
        padding: 1.5rem;
    }
    
    .file-input-display i {
        font-size: 1.5rem;
    }
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    padding-right: 1rem;
}

.faq-question i {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question {
    border-bottom-color: #e9ecef;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.faq-item.active .faq-answer {
    padding: 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq-answer strong {
    color: var(--text-primary);
}

.faq-cta {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.faq-cta p {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.faq-cta .btn {
    font-size: 1.1rem;
    padding: 0.8rem 2rem;
}

/* FAQ Responsive */
@media (max-width: 768px) {
    .faq {
        padding: 3rem 0;
    }
    
    .faq-question {
        padding: 1rem;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 1rem;
    }
    
    .faq-cta {
        margin-top: 2rem;
        padding: 1.5rem;
    }
    
    .faq-cta p {
        font-size: 1.1rem;
    }
}

/* AI Assistant Styles */
.ai-assistant {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1001;
}

.ai-toggle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    color: white;
    font-size: 1.5rem;
}

.ai-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.4);
}

.ai-chat {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 350px;
    height: 500px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    z-index: 1002;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.ai-chat-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-chat-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.ai-chat-header h3 i {
    margin-right: 0.5rem;
}

.ai-chat-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

.ai-chat-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.ai-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scrollbar-width: thin;
    scrollbar-color: #ddd transparent;
}

.ai-messages::-webkit-scrollbar {
    width: 6px;
}

.ai-messages::-webkit-scrollbar-track {
    background: transparent;
}

.ai-messages::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 3px;
}

.ai-message {
    display: flex;
    flex-direction: column;
    max-width: 80%;
}

.ai-message.user {
    align-self: flex-end;
}

.ai-message.ai {
    align-self: flex-start;
}

.ai-message-content {
    padding: 0.8rem 1rem;
    border-radius: 18px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.ai-message.user .ai-message-content {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-bottom-right-radius: 6px;
}

.ai-message.ai .ai-message-content {
    background: #f5f5f5;
    color: #333;
    border-bottom-left-radius: 6px;
}

.ai-message-time {
    font-size: 0.7rem;
    color: #999;
    margin-top: 0.3rem;
    align-self: flex-end;
}

.ai-message.ai .ai-message-time {
    align-self: flex-start;
}

.typing-indicator .ai-message-content {
    background: #f5f5f5;
    padding: 1rem;
}

.typing-dots {
    display: flex;
    gap: 4px;
    align-items: center;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: #999;
    border-radius: 50%;
    animation: typingDots 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typingDots {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.ai-input-container {
    padding: 1rem;
    border-top: 1px solid #eee;
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
}

.ai-input {
    flex: 1;
    border: 1px solid #ddd;
    border-radius: 20px;
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
    resize: none;
    min-height: 20px;
    max-height: 100px;
    outline: none;
    transition: border-color 0.3s ease;
}

.ai-input:focus {
    border-color: var(--primary-color);
}

.ai-send-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.ai-send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.ai-send-btn:active {
    transform: scale(0.95);
}

/* Responsive Design - Mobile First */

/* Mobile Styles (default) */
@media (max-width: 767px) {
    .container {
        padding: 0 1rem;
    }
    
    /* Navigation */
    .navbar .container {
        padding: 0 1rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .nav-menu {
        gap: 0.2rem;
    }
    
    .nav-link {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
    
    /* Hero Section */
    .hero {
        padding: 4rem 0 3rem;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        justify-content: center;
    }
    
    /* Services Grid */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    /* Portfolio Grid */
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Newsletter Section Mobile */
    .newsletter-section {
        padding: 3rem 0;
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .newsletter-text h3 {
        font-size: 1.5rem;
    }
    
    .newsletter-text p {
        font-size: 1rem;
    }
    
    .newsletter-benefits {
        justify-content: center;
    }
    
    .newsletter-form-wrapper {
        padding: 1.5rem;
    }
    
    .newsletter-input-group {
        gap: 0.8rem;
    }
    
    .newsletter-btn {
        padding: 0.9rem 1.5rem;
        font-size: 0.9rem;
    }

    /* Contact Form */
    .contact-form {
        padding: 1.5rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .form-row {
        flex-direction: column;
        gap: 1rem;
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-section {
        margin-bottom: 1.5rem;
    }
    
    /* AI Assistant Mobile */
    .ai-assistant {
        bottom: 1rem;
        right: 1rem;
    }
    
    .ai-toggle {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .ai-chat {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        width: auto;
        height: 400px;
    }
    
    .ai-message {
        max-width: 85%;
    }
    
    .ai-message-content {
        font-size: 0.85rem;
        padding: 0.7rem 0.9rem;
    }
}

/* Tablet Styles */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        padding: 0 2rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .form-row {
        flex-direction: row;
        gap: 1rem;
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Hover effects for desktop */
    .service-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-xl);
    }
    
    .portfolio-item:hover {
        transform: translateY(-5px);
    }
    
    .btn:hover {
        transform: translateY(-2px);
    }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
}

/* No Data Message */
.no-data-message {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    border: 2px dashed var(--border-color);
    margin: 2rem 0;
}

/* About Section - ROCR Logo and Catalog */
.about-right {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.rocr-logo-section {
    text-align: center;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.rocr-logo-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: 20px;
    z-index: -1;
}

.rocr-logo {
    max-width: 320px;
    height: auto;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4)) contrast(1.3) brightness(1.2) saturate(1.1);
    transition: transform 0.3s ease, filter 0.3s ease;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px;
}

.rocr-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.5)) contrast(1.4) brightness(1.3) saturate(1.2);
}

.catalog-section {
    width: 100%;
}

.catalog-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.catalog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.catalog-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.catalog-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.catalog-header h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 600;
}

.catalog-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.catalog-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.catalog-btn {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
}

.catalog-btn i {
    margin-right: 0.5rem;
}

/* Print Styles */
@media print {
    .navbar,
    .ai-assistant,
    .btn,
    .contact-form {
        display: none !important;
    }
    
    body {
        padding-top: 0;
        color: #000;
        background: #fff;
    }
    
    .hero,
    .section {
        page-break-inside: avoid;
    }
}