/* ===== Nude Color Variations - Xen kẽ ===== */

/* Feature Cards - Xen kẽ màu nude */
.feature-card:nth-child(1),
.feature-card:nth-child(4),
.feature-card:nth-child(7) {
    background: linear-gradient(135deg, #d4a574 0%, #c9a882 100%);
    color: #1a1a1a;  /* Màu tối */
}

.feature-card:nth-child(2),
.feature-card:nth-child(5),
.feature-card:nth-child(8) {
    background: linear-gradient(135deg, #b8956a 0%, #d4c4a8 100%);
    color: #1a1a1a;  /* Màu tối */
}

.feature-card:nth-child(3),
.feature-card:nth-child(6),
.feature-card:nth-child(9) {
    background: linear-gradient(135deg, #e6d3b3 0%, #c4a77d 100%);
    color: #1a1a1a;  /* Màu tối */
}

/* Feature Cards Text - In đậm */
.feature-card h3,
.feature-card .feature-title {
    font-weight: 800;
    color: #1a1a1a;
}

.feature-card p,
.feature-card .feature-description {
    font-weight: 500;
    color: #2c2c2c;
}

/* Course Cards - Xen kẽ */
.course-card:nth-child(1),
.course-card:nth-child(4),
.course-card:nth-child(7) {
    border-top: 4px solid #d4a574;
}

.course-card:nth-child(2),
.course-card:nth-child(5),
.course-card:nth-child(8) {
    border-top: 4px solid #b8956a;
}

.course-card:nth-child(3),
.course-card:nth-child(6),
.course-card:nth-child(9) {
    border-top: 4px solid #c4a77d;
}

.course-card:nth-child(4),
.course-card:nth-child(7),
.course-card:nth-child(10) {
    border-top: 4px solid #d4c4a8;
}

/* Project Cards - Xen kẽ */
.project-card:nth-child(1),
.project-card:nth-child(4),
.project-card:nth-child(7) {
    background: linear-gradient(135deg, rgba(212, 165, 116, 0.1) 0%, rgba(201, 168, 130, 0.1) 100%);
    border-left: 4px solid #d4a574;
}

.project-card:nth-child(2),
.project-card:nth-child(5),
.project-card:nth-child(8) {
    background: linear-gradient(135deg, rgba(184, 149, 106, 0.1) 0%, rgba(212, 196, 168, 0.1) 100%);
    border-left: 4px solid #b8956a;
}

.project-card:nth-child(3),
.project-card:nth-child(6),
.project-card:nth-child(9) {
    background: linear-gradient(135deg, rgba(230, 211, 179, 0.1) 0%, rgba(196, 167, 125, 0.1) 100%);
    border-left: 4px solid #c4a77d;
}

/* Timeline Items - Xen kẽ */
.timeline-item:nth-child(1),
.timeline-item:nth-child(4),
.timeline-item:nth-child(7) .timeline-marker {
    background: linear-gradient(135deg, #d4a574 0%, #c9a882 100%);
}

.timeline-item:nth-child(2),
.timeline-item:nth-child(5),
.timeline-item:nth-child(8) .timeline-marker {
    background: linear-gradient(135deg, #b8956a 0%, #d4c4a8 100%);
}

.timeline-item:nth-child(3),
.timeline-item:nth-child(6),
.timeline-item:nth-child(9) .timeline-marker {
    background: linear-gradient(135deg, #e6d3b3 0%, #c4a77d 100%);
}

/* Filter Buttons - Xen kẽ */
.filter-btn:nth-child(1),
.filter-btn:nth-child(4),
.filter-btn:nth-child(7) {
    border-color: #d4a574;
    color: #d4a574;
}

.filter-btn:nth-child(1):hover,
.filter-btn:nth-child(4):hover,
.filter-btn:nth-child(7):hover {
    background: #d4a574;
}

.filter-btn:nth-child(2),
.filter-btn:nth-child(5),
.filter-btn:nth-child(8) {
    border-color: #b8956a;
    color: #b8956a;
}

.filter-btn:nth-child(2):hover,
.filter-btn:nth-child(5):hover,
.filter-btn:nth-child(8):hover {
    background: #b8956a;
}

.filter-btn:nth-child(3),
.filter-btn:nth-child(6),
.filter-btn:nth-child(9) {
    border-color: #c4a77d;
    color: #c4a77d;
}

.filter-btn:nth-child(3):hover,
.filter-btn:nth-child(6):hover,
.filter-btn:nth-child(9):hover {
    background: #c4a77d;
}

/* Section Backgrounds - Xen kẽ nhẹ */
section:nth-child(even) {
    background: linear-gradient(135deg, rgba(212, 165, 116, 0.03) 0%, rgba(201, 168, 130, 0.03) 100%);
}

section:nth-child(odd) {
    background: linear-gradient(135deg, rgba(184, 149, 106, 0.03) 0%, rgba(212, 196, 168, 0.03) 100%);
}

/* Tags/Badges - Xen kẽ */
.tag:nth-child(1),
.tag:nth-child(4),
.tag:nth-child(7) {
    background: #d4a574;
    color: white;
}

.tag:nth-child(2),
.tag:nth-child(5),
.tag:nth-child(8) {
    background: #b8956a;
    color: white;
}

.tag:nth-child(3),
.tag:nth-child(6),
.tag:nth-child(9) {
    background: #c4a77d;
    color: white;
}

.tag:nth-child(4),
.tag:nth-child(7),
.tag:nth-child(10) {
    background: #d4c4a8;
    color: #333;
}

/* Stats Cards - Xen kẽ */
.stat-item:nth-child(1),
.stat-item:nth-child(4),
.stat-item:nth-child(7) {
    border-left: 4px solid #d4a574;
}

.stat-item:nth-child(2),
.stat-item:nth-child(5),
.stat-item:nth-child(8) {
    border-left: 4px solid #b8956a;
}

.stat-item:nth-child(3),
.stat-item:nth-child(6),
.stat-item:nth-child(9) {
    border-left: 4px solid #c4a77d;
}

/* Blog/Article Cards - Xen kẽ */
.blog-card:nth-child(1),
.blog-card:nth-child(4),
.blog-card:nth-child(7) {
    border-top: 3px solid #d4a574;
}

.blog-card:nth-child(2),
.blog-card:nth-child(5),
.blog-card:nth-child(8) {
    border-top: 3px solid #b8956a;
}

.blog-card:nth-child(3),
.blog-card:nth-child(6),
.blog-card:nth-child(9) {
    border-top: 3px solid #c4a77d;
}

/* Hover Effects với màu nude xen kẽ */
.feature-card:nth-child(1):hover,
.feature-card:nth-child(4):hover,
.feature-card:nth-child(7):hover {
    box-shadow: 0 10px 30px rgba(212, 165, 116, 0.3);
}

.feature-card:nth-child(2):hover,
.feature-card:nth-child(5):hover,
.feature-card:nth-child(8):hover {
    box-shadow: 0 10px 30px rgba(184, 149, 106, 0.3);
}

.feature-card:nth-child(3):hover,
.feature-card:nth-child(6):hover,
.feature-card:nth-child(9):hover {
    box-shadow: 0 10px 30px rgba(196, 167, 125, 0.3);
}