/* About Hero */
.about-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
}

.about-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.about-hero p {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* About Intro */
.about-intro {
    padding: 4rem 0;
    background: var(--white);
}

.about-intro-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}

.about-photo img {
    width: 100%;
    max-width: 400px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.about-role {
    font-size: 1.125rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.about-text p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--gray-700);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-box {
    text-align: center;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: 12px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Skills */
.skills-grid {
    display: grid;
    gap: 3rem;
}

.skills-category h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.skills-category h3 svg {
    color: var(--primary);
}

/* Hard Skills */
.skills-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.skill-header span:first-child {
    font-weight: 500;
    color: var(--gray-900);
}

.skill-level {
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 600;
}

.skill-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 999px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 999px;
    transition: width 1s ease;
}

/* Soft Skills */
.soft-skills-grid {
    display: grid;
    gap: 1.5rem;
}

.soft-skill-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all 0.3s;
}

.soft-skill-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.soft-skill-card svg {
    color: var(--primary);
    margin-bottom: 1rem;
}

.soft-skill-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.soft-skill-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-date {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.timeline-content {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}

.timeline-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--gray-900);
}

.timeline-location {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.timeline-content > p {
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.timeline-achievements {
    list-style: none;
    margin: 1rem 0;
}

.timeline-achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.timeline-achievements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.timeline-tags .tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: 999px;
}

/* Projects */
.projects-grid {
    display: grid;
    gap: 2rem;
}

.project-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.project-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.project-icon svg {
    color: var(--white);
}

.project-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.project-card p {
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
}

.project-impact {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

.project-year {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* CTA */
.about-cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, #E0F2FE 100%);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

/* Responsive - Tablet */
@media (min-width: 768px) {
    .about-hero h1 {
        font-size: 3rem;
    }

    .about-intro-grid {
        grid-template-columns: 1fr 1.5fr;
    }

    .about-photo img {
        max-width: none;
    }

    .skills-grid {
        grid-template-columns: 1fr 1fr;
    }

    .soft-skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline {
        padding-left: 3rem;
    }
}

/* Responsive - Desktop */
@media (min-width: 1024px) {
    .about-hero h1 {
        font-size: 3.5rem;
    }

    .soft-skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .cta-content h2 {
        font-size: 3rem;
    }
}

/* Nav Active State */
.nav-link.active {
    color: var(--primary);
    font-weight: 600;
}