:root {
    --primary: #3b82f6;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --accent: #10b981;
    --accent-glow: rgba(16, 185, 129, 0.4);
    --primary-glow: rgba(59, 130, 246, 0.4);
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --white: #ffffff;
    --max-width: 1200px;
    --border-radius: 12px;
    --shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', 'Noto Sans Arabic', sans-serif;
    line-height: 1.6;
    background-color: var(--slate-50);
    color: var(--slate-800);
    min-height: 100vh;
    overflow-x: hidden;
}

[dir="rtl"] body {
    text-align: right;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: 80px;
}

.nav-start { display: flex; justify-content: flex-start; }
.nav-center { display: flex; justify-content: center; gap: 2.5rem; align-items: center; }
.nav-end { display: flex; justify-content: flex-end; align-items: center; }

.logo {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -0.025em;
    color: var(--slate-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-center a {
    font-weight: 600;
    color: var(--slate-800);
    position: relative;
    padding: 0.5rem 0;
}

.nav-center a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.3s ease;
    border-radius: 2px;
}
[dir="rtl"] .nav-center a::after {
    left: auto;
    right: 0;
}

.nav-center a:hover {
    color: var(--primary);
}
.nav-center a:hover::after {
    width: 100%;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 6px var(--primary-glow);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 15px var(--primary-glow);
}

.btn-legendary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: 0 4px 15px var(--primary-glow);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-legendary::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    border-radius: 50px;
}

.btn-legendary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-legendary:hover::before {
    opacity: 1;
}

main {
    padding: 4rem 0;
}

.hero {
    text-align: center;
    padding: 4rem 0 6rem;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%; left: 50%;
    transform: translateX(-50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    opacity: 0.3;
    z-index: -1;
    pointer-events: none;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(to right, var(--slate-900), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--slate-800);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.8;
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
}

.post-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(226, 232, 240, 0.5);
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.post-image {
    width: 100%;
    height: 220px;
    background-color: var(--slate-200);
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-card:hover .post-image {
    transform: scale(1.05);
}

.post-content {
    padding: 2rem;
    background: var(--white);
    position: relative;
}

.post-category {
    font-size: 0.875rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
    letter-spacing: 0.05em;
}

.post-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--slate-900);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.post-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--slate-800);
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--slate-100);
    font-weight: 500;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

[dir="rtl"] .form-group {
    text-align: right;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--slate-200);
    border-radius: var(--border-radius);
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--slate-50);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-grid {
        grid-template-columns: 1fr auto;
    }
    .nav-center {
        display: none;
    }
    .hero h1 {
        font-size: 2.75rem;
    }
    .hero p {
        font-size: 1.1rem;
        padding: 0 1rem;
    }
}