/* ===== 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, #F5ECCE 0%, #E8D5B7 100%);
    color: #1a1a1a;  /* Màu tối */
}

.feature-card:nth-child(2),
.feature-card:nth-child(5),
.feature-card:nth-child(8) {
    background: linear-gradient(135deg, #DDC9A3 0%, #F0E4C4 100%);
    color: #1a1a1a;  /* Màu tối */
}

.feature-card:nth-child(3),
.feature-card:nth-child(6),
.feature-card:nth-child(9) {
    background: linear-gradient(135deg, #FAF0D8 0%, #D4C4A8 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 #F5ECCE;
}

.course-card:nth-child(2),
.course-card:nth-child(5),
.course-card:nth-child(8) {
    border-top: 4px solid #DDC9A3;
}

.course-card:nth-child(3),
.course-card:nth-child(6),
.course-card:nth-child(9) {
    border-top: 4px solid #D4C4A8;
}

.course-card:nth-child(4),
.course-card:nth-child(7),
.course-card:nth-child(10) {
    border-top: 4px solid #F0E4C4;
}

/* Project Cards - Xen kẽ */
.project-card:nth-child(1),
.project-card:nth-child(4),
.project-card:nth-child(7) {
    background: linear-gradient(135deg, rgba(245, 236, 206, 0.1) 0%, rgba(232, 213, 183, 0.1) 100%);
    border-left: 4px solid #F5ECCE;
}

.project-card:nth-child(2),
.project-card:nth-child(5),
.project-card:nth-child(8) {
    background: linear-gradient(135deg, rgba(221, 201, 163, 0.1) 0%, rgba(240, 228, 196, 0.1) 100%);
    border-left: 4px solid #DDC9A3;
}

.project-card:nth-child(3),
.project-card:nth-child(6),
.project-card:nth-child(9) {
    background: linear-gradient(135deg, rgba(250, 240, 216, 0.1) 0%, rgba(212, 196, 168, 0.1) 100%);
    border-left: 4px solid #D4C4A8;
}

/* 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, #F5ECCE 0%, #E8D5B7 100%);
}

.timeline-item:nth-child(2),
.timeline-item:nth-child(5),
.timeline-item:nth-child(8) .timeline-marker {
    background: linear-gradient(135deg, #DDC9A3 0%, #F0E4C4 100%);
}

.timeline-item:nth-child(3),
.timeline-item:nth-child(6),
.timeline-item:nth-child(9) .timeline-marker {
    background: linear-gradient(135deg, #FAF0D8 0%, #D4C4A8 100%);
}

/* Filter Buttons - Xen kẽ */
.filter-btn:nth-child(1),
.filter-btn:nth-child(4),
.filter-btn:nth-child(7) {
    border-color: #F5ECCE;
    color: #F5ECCE;
}

.filter-btn:nth-child(1):hover,
.filter-btn:nth-child(4):hover,
.filter-btn:nth-child(7):hover {
    background: #F5ECCE;
}

.filter-btn:nth-child(2),
.filter-btn:nth-child(5),
.filter-btn:nth-child(8) {
    border-color: #DDC9A3;
    color: #DDC9A3;
}

.filter-btn:nth-child(2):hover,
.filter-btn:nth-child(5):hover,
.filter-btn:nth-child(8):hover {
    background: #DDC9A3;
}

.filter-btn:nth-child(3),
.filter-btn:nth-child(6),
.filter-btn:nth-child(9) {
    border-color: #D4C4A8;
    color: #D4C4A8;
}

.filter-btn:nth-child(3):hover,
.filter-btn:nth-child(6):hover,
.filter-btn:nth-child(9):hover {
    background: #D4C4A8;
}

/* Section Backgrounds - Xen kẽ nhẹ */
section:nth-child(even) {
    background: linear-gradient(135deg, rgba(245, 236, 206, 0.03) 0%, rgba(232, 213, 183, 0.03) 100%);
}

section:nth-child(odd) {
    background: linear-gradient(135deg, rgba(221, 201, 163, 0.03) 0%, rgba(240, 228, 196, 0.03) 100%);
}

/* Tags/Badges - Xen kẽ */
.tag:nth-child(1),
.tag:nth-child(4),
.tag:nth-child(7) {
    background: #F5ECCE;
    color: #333;
}

.tag:nth-child(2),
.tag:nth-child(5),
.tag:nth-child(8) {
    background: #DDC9A3;
    color: #333;
}

.tag:nth-child(3),
.tag:nth-child(6),
.tag:nth-child(9) {
    background: #D4C4A8;
    color: #333;
}

.tag:nth-child(4),
.tag:nth-child(7),
.tag:nth-child(10) {
    background: #F0E4C4;
    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 #F5ECCE;
}

.stat-item:nth-child(2),
.stat-item:nth-child(5),
.stat-item:nth-child(8) {
    border-left: 4px solid #DDC9A3;
}

.stat-item:nth-child(3),
.stat-item:nth-child(6),
.stat-item:nth-child(9) {
    border-left: 4px solid #D4C4A8;
}

/* Blog/Article Cards - Xen kẽ */
.blog-card:nth-child(1),
.blog-card:nth-child(4),
.blog-card:nth-child(7) {
    border-top: 3px solid #F5ECCE;
}

.blog-card:nth-child(2),
.blog-card:nth-child(5),
.blog-card:nth-child(8) {
    border-top: 3px solid #DDC9A3;
}

.blog-card:nth-child(3),
.blog-card:nth-child(6),
.blog-card:nth-child(9) {
    border-top: 3px solid #D4C4A8;
}

/* 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(245, 236, 206, 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(221, 201, 163, 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(212, 196, 168, 0.3);
}