/* ==========================================================
   Portfolio Grid & Card Styles
   ========================================================== */

.portfolio-section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    direction: rtl;
}

.portfolio-header {
    text-align: center;
    margin-bottom: 45px;
}

.portfolio-header h1 {
    font-size: 2.2rem;
    color: #111;
    font-weight: 800;
    margin-bottom: 10px;
}

.portfolio-header p {
    color: #666;
    font-size: 1rem;
}

/* شبکه کارت‌ها (Grid) */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

/* استایل هر کارت */
.project-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #eef2f6;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

/* بخش تصویر کارت */
.card-image-wrapper {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: #f3f4f6;
    position: relative;
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .card-image-wrapper img {
    transform: scale(1.05);
}

.no-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #999;
    font-size: 0.9rem;
}

/* بدنه کارت */
.card-body {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.card-title a {
    color: #1a1a1a;
    text-decoration: none;
    transition: color 0.2s;
}

.card-title a:hover {
    color: #2563eb;
}

.card-description {
    color: #555;
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* برچسب‌های تکنولوژی */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto; /* چسباندن تکنولوژی‌ها به پایین بدنه */
}

.tech-tag {
    background-color: #f1f5f9;
    color: #475569;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
}

/* فوتر کارت و دکمه‌ها */
.card-footer {
    padding: 15px 22px;
    background-color: #fafafa;
    border-top: 1px solid #f0f0f0;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
}

.btn-project {
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 8px;
    transition: all 0.2s;
}

.btn-live {
    background-color: #111;
    color: #fff;
}

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

.btn-details {
    color: #4b5563;
    background-color: #e5e7eb;
}

.btn-details:hover {
    background-color: #d1d5db;
    color: #111;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 0;
    color: #888;
}

/* پاسخگویی در موبایل */
@media (max-width: 640px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}