:root {
    --primary-color: #1a1a2e;
    --secondary-color: #16213e;
    --accent-color: #0f3460;
    --highlight-color: #e94560;
    --text-light: #f1f1f1;
    --text-dark: #1a1a2e;
    --neutral-100: #ffffff;
    --neutral-200: #f8f9fa;
    --neutral-800: #2c3e50;
}

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

body {
    font-family: 'Vazirmatn', sans-serif;
    overflow-x: hidden;
    background-color: var(--neutral-100);
    color: var(--text-dark);
    line-height: 1.7;
}

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 1rem 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color) !important;
    letter-spacing: -1px;
}

.navbar-brand span {
    color: var(--highlight-color);
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
    position: relative;
}

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

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

.nav-link:hover::after {
    width: 100%;
    right: 0;
}

.btn-primary-custom {
    background: var(--highlight-color);
    color: var(--neutral-100);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    border: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
}

.btn-primary-custom:hover {
    background: #d63850;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
    color: var(--neutral-100);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("https://sirjanwebdesign.ir/placeholder.svg") no-repeat left center;
    opacity: 0.2;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--text-light);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero h1 .highlight {
    color: var(--highlight-color);
    display: block;
    font-size: 4.5rem;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    font-weight: 400;
    opacity: 0.9;
}

.hero-buttons .btn {
    margin: 0.5rem;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-light-custom {
    border: 2px solid var(--neutral-100);
    color: var(--neutral-100);
    background: transparent;
}

.btn-outline-light-custom:hover {
    background: var(--neutral-100);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.floating-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    animation: float 6s ease-in-out infinite;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--highlight-color);
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

section {
    padding: 6rem 0;
    position: relative;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--neutral-800);
    margin-bottom: 3rem;
    font-weight: 400;
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    left: 30px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 15px rgba(0,0,0,0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: scale(1.1);
    color: #fff;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

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

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 400px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(26, 26, 46, 0.95) 0%, rgba(26, 26, 46, 0) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.portfolio-overlay h3 {
    color: var(--neutral-100);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    color: var(--text-light);
    opacity: 0.9;
}

.portfolio-tag {
    display: inline-block;
    background: var(--highlight-color);
    color: var(--neutral-100);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* Services Section */
.services-section {
    background: var(--neutral-100);
}

.service-card {
    background: var(--neutral-100);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.4s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    height: 100%;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(233, 69, 96, 0.15);
    border-color: var(--highlight-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--highlight-color) 0%, #d63850 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--neutral-100);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card p {
    color: var(--neutral-800);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-link {
    color: var(--highlight-color);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link:hover {
    gap: 1rem;
    color: #d63850;
}

/* Process Section */
.process-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.process-step {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--neutral-100);
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: all 0.4s ease;
    height: 100%;
}

.process-step:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(233, 69, 96, 0.15);
}

.step-number {
    position: absolute;
    top: -20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--highlight-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--neutral-100);
    box-shadow: 0 5px 15px rgba(233, 69, 96, 0.3);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 2rem auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--neutral-100);
}

.process-step h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.process-step p {
    color: var(--neutral-800);
    line-height: 1.8;
    margin: 0;
}

/* Trust Badges */
.trust-badge {
    padding: 2rem 1rem;
    transition: all 0.3s ease;
}

.trust-badge:hover {
    transform: translateY(-5px);
}

.trust-badge h5 {
    font-weight: 700;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.trust-badge p {
    color: var(--neutral-800);
    margin: 0;
}

/* Stats Section */
.stat-box {
    padding: 2rem;
}

.stat-number-animated {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.stat-box p {
    font-size: 1.1rem;
    margin: 0;
    opacity: 0.9;
}

/* Price Calculator */
.price-calculator-section .card {
    border: none;
    border-radius: 20px;
}

#totalPrice {
    color: var(--highlight-color);
    font-weight: 800;
}

/* Contact Section */
.contact-info-card {
    padding: 2.5rem 2rem;
    background: var(--neutral-100);
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    height: 100%;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(233, 69, 96, 0.15);
}

.contact-info-card h5 {
    font-weight: 700;
    margin-top: 1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-section .card {
    border: none;
    border-radius: 20px;
}

.contact-section .form-control {
    border-radius: 10px;
    padding: 0.75rem 1rem;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.contact-section .form-control:focus {
    border-color: var(--highlight-color);
    box-shadow: 0 0 0 0.2rem rgba(233, 69, 96, 0.1);
}

/* CTA Section */
.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 800;
}

.cta-section .btn-light {
    padding: 1rem 3rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.cta-section .btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Testimonials */
.testimonial-card {
    background: var(--neutral-100);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(233, 69, 96, 0.15);
}

.testimonial-card .stars {
    margin-bottom: 1.5rem;
}

.testimonial-card .stars i {
    color: #ffc107;
    font-size: 1.2rem;
    margin: 0 0.2rem;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--neutral-800);
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--neutral-200);
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--highlight-color);
}

.author-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h5 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.author-info p {
    font-size: 0.9rem;
    color: var(--neutral-800);
    margin: 0;
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h1 .highlight {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero h1 .highlight {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
}