/* ساختار کلی صفحه */
.snr-about-wrapper {
    font-family: inherit;
    background-color: var(--sinour-bg);
    color: var(--sinour-text-dark);
    line-height: 1.8;
    padding-bottom: 5rem;
}

.snr-about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* هدر اصلی (Hero) */
.snr-about-hero {
    background: linear-gradient(135deg, var(--sinour-primary) 0%, var(--sinour-primary-hover) 100%);
    color: var(--sinour-white);
    padding: 4.5rem 1.5rem;
    text-align: center;
    border-bottom: 5px solid var(--sinour-secondary);
border-radius: 25px 25px 0 0;
}

.snr-about-hero h1 {
    font-size: 2.3rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
}

.snr-brand-highlight {
    color: #ffd700;
}

.snr-about-hero p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin: 0;
}

/* کارت اصلی توصیفی */
.snr-about-main-card {
    background-color: var(--sinour-white);
    border-radius: 12px;
    padding: 2.5rem;
    margin: -3rem auto 3rem auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    position: relative;
    border-top: 4px solid var(--sinour-primary);
}

.snr-about-text-content h2 {
    color: var(--sinour-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.snr-about-text-content p {
    color: var(--sinour-text-gray);
    font-size: 1.05rem;
    margin: 0;
    text-align: justify;
}

/* شبکه آمار و ارقام (Stats Grid) */
.snr-about-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.snr-stat-card {
    background-color: var(--sinour-white);
    border: 1px solid var(--sinour-secondary);
    border-radius: 12px;
    padding: 2rem 1rem;
    text-align: center;
    transition: var(--sinour-transition);
}

.snr-stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--sinour-primary);
    box-shadow: 0 12px 25px rgba(0, 104, 176, 0.1);
}

.snr-stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--sinour-primary);
    line-height: 1.2;
}

.snr-stat-unit {
    display: block;
    font-size: 0.85rem;
    color: var(--sinour-text-gray);
    margin-bottom: 0.5rem;
}

.snr-stat-label {
    font-size: 0.95rem;
    color: var(--sinour-text-dark);
    margin: 0;
    font-weight: 600;
}

/* تایم‌لاین تاریخچه (Timeline) */
.snr-about-timeline-section {
    background-color: var(--sinour-white);
    border-radius: 12px;
    padding: 2.5rem;
    margin-bottom: 3.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.03);
    border: 1px solid var(--sinour-secondary);
}

.snr-section-title {
    color: var(--sinour-primary);
    font-size: 1.35rem;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 700;
}

.snr-about-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    position: relative;
}

.snr-timeline-item {
    background-color: var(--sinour-bg);
    border-radius: 8px;
    padding: 1.5rem;
    border-right: 4px solid var(--sinour-primary);
    transition: var(--sinour-transition);
}

.snr-timeline-item:hover {
    background-color: #f0f7fb;
}

.snr-timeline-year {
    display: inline-block;
    background-color: var(--sinour-primary);
    color: var(--sinour-white);
    font-weight: 700;
    padding: 0.2rem 0.8rem;
    border-radius: 4px;
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.snr-timeline-content h4 {
    margin: 0 0 0.5rem 0;
    color: var(--sinour-text-dark);
    font-size: 1.05rem;
}

.snr-timeline-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--sinour-text-gray);
}

/* جزئیات تجهیزات و صادرات */
.snr-about-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.snr-detail-card {
    background-color: var(--sinour-white);
    border: 1px solid var(--sinour-secondary);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--sinour-transition);
}

.snr-detail-card:hover {
    border-color: var(--sinour-primary);
}

.snr-detail-card h3 {
    color: var(--sinour-primary);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.snr-detail-card p {
    color: var(--sinour-text-gray);
    font-size: 0.95rem;
    margin: 0;
    text-align: justify;
}

/* تگ‌های صادرات */
.snr-export-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.2rem;
}

.snr-tag {
    background-color: #eaf3f9;
    color: var(--sinour-primary);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.3rem 0.9rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 104, 176, 0.2);
}

/* واکنش‌گرایی برای موبایل */
@media (max-width: 768px) {
    .snr-about-hero {
        padding: 3rem 1rem 4rem;
    }
    
    .snr-about-hero h1 {
        font-size: 1.8rem;
    }
    
    .snr-about-main-card {
        margin-top: -2.5rem;
        padding: 1.5rem;
    }

    .snr-about-timeline-section,
    .snr-detail-card {
        padding: 1.5rem;
    }
}