/* Page Header with Image Background */
.page-header {
    padding: 150px 20px 80px;
    position: relative;
    overflow: hidden;
    text-align: center;
    color: white;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.header-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.9) 0%, rgba(6, 182, 212, 0.85) 100%);
    z-index: 1;
}

.page-header .grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    z-index: 2;
}

.page-header .container {
    position: relative;
    z-index: 3;
}

.page-header h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    animation: fadeInDown 0.8s ease;
}

.page-header p {
    font-size: 1.3rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .page-header {
        padding: 120px 20px 60px;
        min-height: 350px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .page-header p {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 100px 20px 50px;
        min-height: 300px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
}

/* About Full Page */
.about-full {
    padding: 100px 20px;
    background: white;
}

.about-full-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: center;
}

.about-full-placeholder {
    width: 100%;
    height: 500px;
    background: var(--gradient);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
}

.about-full-placeholder i {
    font-size: 10rem;
    color: white;
    opacity: 0.8;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--gray);
    line-height: 1.8;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 3rem;
}

.value-card {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.value-card i {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.value-card h4 {
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.value-card p {
    font-size: 0.9rem;
    color: var(--gray);
    margin: 0;
}

/* Timeline */
.timeline-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: 50px;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
}

.timeline-marker {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--gradient);
    border-radius: 50%;
    right: -10px;
    top: 0;
    border: 4px solid white;
    box-shadow: var(--shadow);
}

.timeline-item:nth-child(even) .timeline-marker {
    right: auto;
    left: -10px;
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    max-width: 350px;
    margin-right: 30px;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: 0;
    margin-left: 30px;
}

.timeline-date {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #dbeafe 0%, #d1fae5 100%);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.timeline-content p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Skills Section */
.skills-section {
    padding: 100px 20px;
    background: white;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.skill-category {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    border: 2px solid var(--gray-light);
    transition: all 0.3s ease;
}

.skill-category:hover {
    border-color: var(--secondary);
    box-shadow: var(--shadow-xl);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.skill-header i {
    font-size: 2rem;
    color: var(--secondary);
}

.skill-header h3 {
    font-size: 1.3rem;
    color: var(--dark);
}

.skill-bar {
    margin-bottom: 1.5rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.skill-progress {
    height: 10px;
    background: var(--gray-light);
    border-radius: 10px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: var(--gradient);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s ease;
}

/* Responsive for inner pages */
@media (max-width: 992px) {
    .about-full-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        justify-content: flex-start;
        padding-left: 60px;
        padding-right: 0;
    }
    
    .timeline-marker,
    .timeline-item:nth-child(even) .timeline-marker {
        left: 10px;
        right: auto;
    }
    
    .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 0;
        margin-right: 0;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
}