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

body {
    font-family: 'Vazirmatn', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(145deg, #f0f9ff 0%, #e6f0fa 100%);
    color: #1a2c3e;
    line-height: 1.5;
}

/* رنگ‌بندی اصلی آبی (Blue Theming) */
:root {
    --primary-dark: #0a4b7a;
    --primary-main: #1e6f9f;
    --primary-light: #3b8fc2;
    --primary-soft: #e1f0fa;
    --accent-blue: #0077b6;
    --gray-light: #f8fafc;
    --card-shadow: 0 20px 35px -12px rgba(0, 80, 120, 0.15);
    --transition: all 0.3s ease;
}

/* container و layout کلی */
.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
}

/* هدر با حس مدرن و دکور آبی */
.main-header {
    background: linear-gradient(135deg, #0c4e6e 0%, #0a3b55 100%);
    color: white;
    padding: 1rem 0 1.2rem 0;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    border-bottom: 3px solid #ffcd7e;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo-area h1 {
    font-size: 1.9rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-area p {
    font-size: 0.85rem;
    opacity: 0.85;
    margin-top: 6px;
}

.nav-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    padding-bottom: 4px;
}

.nav-links a:hover {
    border-bottom-color: #ffcd7e;
    transform: translateY(-2px);
}

/* بخش‌های عمومی */
section {
    padding: 70px 0 60px 0;
    border-bottom: 1px solid rgba(30, 111, 159, 0.15);
}

.section-title {
    text-align: center;
    font-size: 2.1rem;
    font-weight: 800;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
    width: 100%;
    color: var(--primary-dark);
}

.section-title span {
    background: linear-gradient(120deg, #1e6f9f, #42a5d6);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-main);
    margin: 14px auto 0;
    border-radius: 4px;
}

/* کارت‌ها (grid) */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
}

.card {
    background: white;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid rgba(59, 143, 194, 0.2);
    backdrop-filter: blur(0px);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 40px -18px rgba(0, 80, 120, 0.3);
    border-color: var(--primary-light);
}

.card-img {
    height: 170px;
    background: linear-gradient(135deg, #d9eaf5, #bddcec);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.8rem;
    color: var(--primary-dark);
}

.card-content {
    padding: 24px 20px 28px;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: #0a4b6e;
}

.card-content p {
    color: #2c5368;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.btn-outline-blue {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 60px;
    border: 1.5px solid var(--primary-main);
    color: var(--primary-main);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    background: transparent;
    cursor: pointer;
}

.btn-outline-blue:hover {
    background: var(--primary-main);
    color: white;
    box-shadow: 0 4px 10px rgba(30, 111, 159, 0.3);
}

/* بخش سایت‌ها (نمونه کار) */
.website-card .card-img {
    background: linear-gradient(125deg, #cfe5f2, #b1d0e5);
}

/* بخش دوره‌ها */
.faradars-card .card-img {
    background: #eef4fc;
    color: #1f6390;
}

.youtube-card .card-img {
    background: #fceef5;
    color: #c4302b;
}

.youtube-card .card-img i {
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* فوتر */
.main-footer {
    background: #0a2e44;
    color: #cddfe7;
    text-align: center;
    padding: 32px 20px;
    font-size: 0.85rem;
}

.main-footer a {
    color: #ffcd7e;
    text-decoration: none;
    transition: var(--transition);
}

.main-footer a:hover {
    color: #ffdd9e;
    transform: translateY(-2px);
    display: inline-block;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    section {
        padding: 50px 0 40px;
    }
    
    .cards-grid {
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 18px;
    }
    
    .card-content h3 {
        font-size: 1.3rem;
    }
}

/* بخش معرفی (دکوراسیون) */
.intro-badge {
    background: linear-gradient(95deg, var(--primary-soft), white);
    border-radius: 40px;
    padding: 6px 15px;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 16px;
    color: var(--primary-dark);
}

/* اسکرول نرم برای کل سایت */
html {
    scroll-behavior: smooth;
}

.card-img img{
width:100%;
height:100%;
}