/* تنسيقات قسم "عن المشروع" */
.about-section {
    padding: 80px 0;
    background: #fff;
}

.video-hero-container {
    margin: 30px 0;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.about-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.info-card {
    background: #f8fcfb;
    padding: 30px;
    border-radius: 15px;
    border-right: 6px solid var(--secondary-color);
}

.map-frame {
    margin-top: 50px;
    border-radius: 20px;
    overflow: hidden;
    height: 450px;
    border: 1px solid #ddd;
}

/* تنسيقات المراحل */
.stages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.stage-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-top: 5px solid var(--secondary-color);
    position: relative;
    transition: 0.3s;
    overflow: hidden;
}

.stage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.stage-number {
    position: absolute;
    top: 15px;
    left: 15px;
    font-size: 40px;
    color: #f0f0f0;
    font-weight: bold;
    z-index: 0;
    line-height: 1;
}

.stage-content {
    position: relative;
    z-index: 1;
}

.stage-amount-box {
    background: #e0f2f1;
    padding: 10px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
}

.progress-bar-bg {
    background: #eee;
    height: 8px;
    border-radius: 4px;
    margin-top: 10px;
    overflow: hidden;
}

.progress-bar-fill {
    background: var(--secondary-color);
    height: 100%;
}

/* زر الحجز المتحرك */
@keyframes pulse-gold {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.btn-booking {
    background: #ffca28;
    color: #004d40;
    border: 2px solid #fff;
    margin-left: 15px;
    animation: pulse-gold 2s infinite;
    font-weight: 800 !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* التبويبات الفرعية */
.sub-tabs-wrapper {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.sub-tab-btn {
    padding: 8px 18px;
    border-radius: 20px;
    border: 1px solid #eee;
    background: #fff;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    font-weight: bold;
    transition: 0.3s;
}

.sub-tab-btn.active-sub {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.media-stage-content {
    display: none;
}

.media-stage-content.active-stage {
    display: block;
    animation: fadeIn 0.4s;
}

/* تنسيق الترقيم */
.stage-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 25px;
    padding-bottom: 20px;
}

.page-num {
    padding: 6px 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    background: #fff;
    font-weight: bold;
    transition: 0.3s;
}

.page-num.active {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}