/* Modern CSS Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #ffffff;
    direction: rtl;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    position: relative;
}

.nav-brand {
    position: absolute;
    right: 2rem;
}

.nav-brand .brand-text {
    font-family: 'Roba', 'Vazirmatn', sans-serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: #1a1a1a;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -8px;
    right: 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    position: absolute;
    left: 2rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: #1a1a1a;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title {
    font-family: 'Lalezar', 'Vazirmatn', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #1a1a1a;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 500px;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-color: transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border-color: #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

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

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
    opacity: 0;
    animation: fadeIn 1s ease 1s both;
}

.hero-image {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.hero-image:hover .main-image {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hero-image:hover .image-overlay {
    opacity: 1;
}

.floating-cards {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: #1a1a1a;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    animation: float 6s ease-in-out infinite;
    font-size: 0.85rem;
    white-space: nowrap;
}

.card-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    left: -15%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 15%;
    right: -5%;
    animation-delay: 4s;
}

.card-icon {
    font-size: 1.2rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: #666;
    font-size: 0.85rem;
    opacity: 0;
    animation: fadeIn 1s ease 2s both;
}

.scroll-arrow {
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

/* About Section */
.about {
    padding: 8rem 0;
    background: #ffffff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.section-title {
    font-family: 'Lalezar', 'Vazirmatn', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #1a1a1a;
}

.section-description {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

.sticky-image {
    position: sticky;
    top: 6rem;
    width: 100%;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    position: relative;
}

.team-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.sticky-image:hover .team-image {
    transform: scale(1.05);
}

.image-decoration {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    opacity: 0.8;
}

/* Services Section */
.services {
    padding: 8rem 0;
    background: #f8fafc;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

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

.service-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.service-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8), rgba(118, 75, 162, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .service-overlay {
    opacity: 1;
}

.service-icon {
    color: white;
    width: 48px;
    height: 48px;
}

.service-content {
    padding: 2rem;
}

.service-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.service-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.service-tags span {
    padding: 0.25rem 0.75rem;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Portfolio Section */
.portfolio {
    padding: 8rem 0;
    background: #ffffff;
}

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

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.portfolio-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info {
    text-align: center;
    color: white;
    padding: 2rem;
}

.portfolio-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.portfolio-info p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.portfolio-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.portfolio-tags span {
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 8rem 0;
    background: #f8fafc;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
}

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-text span {
    display: block;
    font-size: 0.85rem;
    color: #666;
    font-weight: 500;
}

.contact-text strong {
    font-size: 1rem;
    color: #1a1a1a;
    font-weight: 600;
}

.contact-form {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 5rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    font-family: 'Roba', 'Vazirmatn', sans-serif;
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
}

.footer-brand p {
    color: #999;
    margin-bottom: 2rem;
}

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

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 3rem 0;
        transition: right 0.3s ease;
        border-top: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
        height: 300px;
    }
    
    .hero-image {
        width: 300px;
        height: 300px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

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

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(102, 126, 234, 0.1);
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loading-text {
    font-family: 'Roba', 'Vazirmatn', sans-serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: #1a1a1a;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
}

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

/* Selection */
::selection {
    background: rgba(102, 126, 234, 0.2);
    color: #1a1a1a;
}

::-moz-selection {
    background: rgba(102, 126, 234, 0.2);
    color: #1a1a1a;
}