/* Reset and Base Styles */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --dark: #1f2937;
    --darker: #111827;
    --light: #f8fafc;
    --lighter: #ffffff;
    --gray: #6b7280;
    --gray-light: #e5e7eb;
    --gray-lighter: #f3f4f6;
    --border: #d1d5db;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius: 8px;
    --radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Vazir', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
    direction: rtl;
    overflow-x: hidden;
}

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

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

/* Navigation */
.navbar {
    background: var(--lighter);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo a::before {
    content: "🌐";
    font-size: 1.2rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--gray-lighter);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s ease;
    transform: translateX(50%);
}

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

.nav-search {
    display: flex;
    background: var(--gray-lighter);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.nav-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.nav-search input {
    border: none;
    padding: 0.5rem 1rem;
    background: transparent;
    width: 200px;
    font-family: inherit;
    outline: none;
}

.nav-search button {
    border: none;
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.nav-search button:hover {
    background: var(--primary-dark);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 140px 0 80px;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000" opacity="0.1"><polygon fill="white" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    font-weight: 700;
}

.highlight {
    color: var(--accent);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 30%;
    background: rgba(245, 158, 11, 0.2);
    z-index: -1;
    border-radius: 4px;
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: right 0.5s ease;
}

.btn:hover::before {
    right: 100%;
}

.btn-primary {
    background: var(--accent);
    color: var(--darker);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.domain-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

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

.domain-bubble {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.domain-bubble:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.domain-bubble.premium {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--accent);
    animation: glow 2s infinite;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px rgba(245, 158, 11, 0.5); }
    50% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.8); }
}

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

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--lighter);
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 1rem;
    color: var(--dark);
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-right: auto;
    margin-left: auto;
}

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

.feature-card {
    background: var(--lighter);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-light);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: translateX(0);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-card i {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
    font-weight: 600;
}

.feature-card p {
    color: var(--gray);
    line-height: 1.7;
}

/* Featured Domains Section */
.featured-domains {
    padding: 100px 0;
    background: var(--gray-lighter);
}

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

.domain-card {
    background: var(--lighter);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.domain-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(37, 99, 235, 0.02));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.domain-card:hover::before {
    opacity: 1;
}

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

.domain-card.premium {
    border: 2px solid var(--accent);
    background: linear-gradient(135deg, var(--lighter), #fefce8);
}

.premium-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--accent);
    color: var(--darker);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.domain-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
    direction: ltr;
    text-align: center;
    font-family: monospace;
}

.domain-description {
    color: var(--gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    text-align: center;
}

.domain-meta {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.domain-category {
    background: var(--primary-light);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.domain-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 1.5rem;
}

/* Categories Section */
.categories {
    padding: 100px 0;
    background: var(--lighter);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.category-card {
    background: var(--lighter);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-light);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
}

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

.category-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.category-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--dark);
    font-weight: 600;
}

.category-card p {
    color: var(--gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.domain-count {
    background: var(--gray-lighter);
    color: var(--dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* How to Buy Section */
.how-to-buy {
    padding: 100px 0;
    background: var(--gray-lighter);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step-card {
    background: var(--lighter);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    top: -5px;
    right: -5px;
    bottom: -5px;
    left: -5px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(1.2); opacity: 0; }
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--dark);
    font-weight: 600;
}

.step-card p {
    color: var(--gray);
    line-height: 1.7;
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

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

.stat-card {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--accent), #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: var(--lighter);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark);
    font-weight: 700;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--darker);
    color: white;
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-col p {
    color: #9ca3af;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

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

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--accent);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.contact-info i {
    color: var(--accent);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding: 2rem 0;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        width: 100%;
        background: var(--lighter);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-search {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .features-grid,
    .domains-grid,
    .categories-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .domain-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .feature-card,
    .domain-card,
    .category-card,
    .step-card {
        padding: 1.5rem 1rem;
    }
    
    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .domain-showcase {
        grid-template-columns: 1fr;
    }
}