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

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.nav-logo h2 {
    color: #FFD700;
    font-size: 1.8rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #FFD700;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 0 0 0;
}

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

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

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

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

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: #FFD700;
    color: #333;
}

.btn-primary:hover {
    background: #FFC400;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 215, 0, 0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: #333;
    transform: translateY(-2px);
}

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

.image-placeholder {
    width: 100%;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    border: 2px dashed rgba(255, 255, 255, 0.3);
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.portfolio-item {
    height: 300px;
    background: #ddd;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .nav-menu {
        gap: 1rem;
    }

    .nav-container {
        padding: 0 1rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}
/* استایل برای عکس‌ها */
.logo {
    height: 40px;
    width: auto;
}

.main-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.portfolio-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.portfolio-item img:hover {
    transform: scale(1.05);
}
/* دکمه‌های کاربری در ناوبری */
.btn-login, .btn-signup {
    background: transparent;
    border: 2px solid #FFD700;
    color: #333;
    padding: 8px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-left: 10px;
}

.btn-login:hover, .btn-signup:hover {
    background: #FFD700;
    transform: translateY(-2px);
}

/* مودال‌ها */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: #fff;
    margin: 5% auto;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    position: relative;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 15px;
}

.close:hover {
    color: #333;
}

/* فرم‌ها */
.auth-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #FFD700;
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
}

.auth-switch a {
    color: #FFD700;
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* پنل کاربر */
.user-panel {
    display: none;
    background: #FFD700;
    padding: 10px 20px;
    text-align: center;
}

.user-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.btn-logout {
    background: transparent;
    border: 2px solid #333;
    color: #333;
    padding: 5px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-logout:hover {
    background: #333;
    color: #FFD700;
}
/* دراپ‌داون کاربر */
.user-dropdown {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 15px;
    border-radius: 25px;
    transition: all 0.3s ease;
    background: rgba(255, 215, 0, 0.1);
}

.user-dropdown:hover {
    background: rgba(255, 215, 0, 0.2);
}

.user-avatar {
    width: 35px;
    height: 35px;
    background: #FFD700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.user-name {
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    min-width: 200px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.user-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: right;
    font-size: 14px;
}

.dropdown-item:hover {
    background: #f8f9fa;
    color: #FFD700;
}

.dropdown-divider {
    height: 1px;
    background: #eee;
    margin: 8px 0;
}

.logout-btn {
    color: #e74c3c !important;
}

.logout-btn:hover {
    background: #e74c3c !important;
    color: white !important;
}

/* دکمه‌های ورود/ثبت‌نام */
.btn-login,
.btn-signup {
    background: transparent;
    border: 2px solid #FFD700;
    color: #333;
    padding: 8px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-left: 10px;
}

.btn-login:hover,
.btn-signup:hover {
    background: #FFD700;
    transform: translateY(-2px);
}

/* پنل کاربر ساده */
.user-panel {
    display: none;
    background: #FFD700;
    padding: 10px 20px;
    text-align: center;
}

.user-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.btn-logout {
    background: transparent;
    border: 2px solid #333;
    color: #333;
    padding: 5px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-logout:hover {
    background: #333;
    color: #FFD700;
}

/* رسپانسیو */
@media (max-width: 768px) {
    .user-dropdown {
        padding: 6px 12px;
    }

    .user-name {
        display: none;
    }

    .dropdown-menu {
        right: -50px;
        min-width: 180px;
    }
}