/* ==========================================
   COMPONENTS — about, education, experience, publications,
   skills, projects, awards, contact
   ========================================== */

/* ABOUT */
.about-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2.5rem;
}

.about-main,
.about-highlights {
    background: var(--panel);
    border: 1px solid var(--border-soft);
    border-radius: 24px;
    padding: 2rem;
}

.about-main p + p {
    margin-top: 1.5rem;
}

.about-highlights {
    display: grid;
    gap: 1.5rem;
}

.highlight-card {
    border: 1px solid var(--border-soft);
    border-radius: 18px;
    padding: 1.25rem;
    background: var(--panel-alt);
}

.highlight-icon {
    font-size: 1.3rem;
}

.highlight-card h3 {
    margin: 0.5rem 0 1rem;
}

.highlight-card ul {
    list-style: none;
    display: grid;
    gap: 0.5rem;
    color: var(--text-body);
}

/* EDUCATION TIMELINE */
.timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding-left: 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 45px;
    width: 1px;
    top: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent, var(--border-soft), transparent);
}

.timeline-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
    align-items: start;
}

.timeline-marker {
    position: relative;
    width: 60px;
}

.marker-ring,
.marker-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 999px;
}

.marker-ring {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-soft);
}

.marker-dot {
    width: 12px;
    height: 12px;
    top: 10px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    box-shadow: 0 0 20px rgba(194, 155, 255, 0.4);
}

.timeline-content {
    background: var(--panel);
    border: 1px solid var(--border-soft);
    border-radius: 18px;
    padding: 1.5rem;
}

.timeline-badge {
    display: inline-flex;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    border: 1px solid var(--border-soft);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
}

.timeline-period {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.timeline-details ul {
    margin-top: 0.5rem;
    padding-left: 1rem;
    color: var(--text-body);
}

.gpa {
    color: var(--accent-secondary);
    font-weight: 600;
}

/* EXPERIENCE */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 400px), 1fr));
    gap: 1.75rem;
    align-items: start;
}

@media (min-width: 768px) {
    .experience-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1400px) {
    .experience-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.experience-card {
    background: var(--panel);
    border: 1px solid var(--border-soft);
    border-radius: 24px;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 320px;
    transition: all 0.3s ease;
}

.experience-card:hover {
    border-color: rgba(194, 155, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.experience-card.current {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-soft);
}

.exp-header {
    display: flex;
    gap: 1rem;
}

.exp-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--panel-alt);
    border: 1px solid var(--border-soft);
    display: grid;
    place-items: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.exp-meta h3 {
    font-size: 1.2rem;
}

.exp-meta h4 {
    color: var(--text-muted);
    margin-top: 0.2rem;
    font-weight: 400;
}

.exp-period {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.exp-badge {
    display: inline-flex;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    border: 1px solid var(--border-soft);
    font-size: 0.75rem;
    margin-top: 0.25rem;
    color: var(--accent-primary);
}

.exp-summary {
    color: var(--text-body);
}

.exp-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.highlight-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.9rem;
    background: rgba(194, 155, 255, 0.08);
    border: 1px solid rgba(194, 155, 255, 0.2);
    border-radius: 999px;
    font-size: 0.8rem;
    color: var(--accent-primary);
    font-weight: 500;
    transition: all 0.3s ease;
}

.highlight-badge:hover {
    background: rgba(194, 155, 255, 0.15);
    border-color: rgba(194, 155, 255, 0.4);
    transform: translateY(-1px);
}

.exp-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem 1.25rem;
    margin-top: auto;
    background: transparent;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.exp-toggle:hover {
    background: var(--panel-highlight);
    border-color: var(--accent-primary);
    color: var(--text-strong);
}

.toggle-icon {
    transition: transform 0.3s ease;
}

.exp-toggle.active .toggle-icon {
    transform: rotate(180deg);
}

.exp-details {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-soft);
    animation: slideDown 0.3s ease-out;
}

.exp-projects h5 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.project-item {
    border-left: 2px solid var(--border-soft);
    padding-left: 1rem;
    margin-bottom: 1rem;
}

.project-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-strong);
    font-size: 1rem;
}

.project-item p {
    margin-top: 0.5rem;
    line-height: 1.6;
    color: var(--text-body);
}

.project-item p strong {
    display: inline;
    margin-bottom: 0;
}

.impact {
    display: inline-flex;
    margin-top: 0.4rem;
    font-size: 0.85rem;
    color: var(--accent-secondary);
}

/* PUBLICATIONS */
.publications-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.filter-btn {
    border: 1px solid var(--border-soft);
    background: transparent;
    color: var(--text-muted);
    padding: 0.65rem 1.25rem;
    border-radius: 999px;
    cursor: pointer;
    letter-spacing: 0.08em;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-strong);
}

.publications-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.publication-card {
    display: grid;
    grid-template-columns: minmax(80px, 120px) 1fr;
    align-items: stretch;
    border: 1px solid var(--border-soft);
    border-radius: 20px;
    background: var(--panel);
    overflow: hidden;
}

.pub-year {
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.02);
    font-size: 1rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    border-right: 1px solid var(--border-soft);
}

.pub-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pub-authors {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.pub-venue {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.pub-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-flex;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    background: var(--panel-alt);
    border: 1px solid var(--border-soft);
    font-size: 0.8rem;
}

.pub-link {
    color: var(--accent-primary);
    font-weight: 600;
    text-decoration: none;
    margin-top: 0.2rem;
}

.publications-cta {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

/* SKILLS */
.skills-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.skill-category-card {
    border: 1px solid var(--border-soft);
    border-radius: 20px;
    padding: 1.5rem;
    background: var(--panel);
}

.skill-cat-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.skill-cat-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--panel-alt);
    border: 1px solid var(--border-soft);
    display: grid;
    place-items: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.skill-tags-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    padding: 0.35rem 0.85rem;
    font-size: 0.85rem;
    color: var(--text-body);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.skill-tag:hover {
    transform: translateY(-2px);
    border-color: var(--accent-primary);
}

/* PROJECTS */
.projects-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    padding: 0.7rem 1.4rem;
    background: transparent;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active,
.tab-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-strong);
}

.projects-showcase {
    border: 1px solid var(--border-soft);
    border-radius: 30px;
    background: var(--panel);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
}

.project-showcase-item {
    display: none;
    gap: 1.5rem;
}

.project-showcase-item.active {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

.project-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-demo {
    width: 100%;
    border: 1px solid var(--border-soft);
    border-radius: 22px;
    background: var(--panel-alt);
    padding: 1.5rem;
}

.demo-placeholder {
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    min-height: 220px;
    display: grid;
    place-items: center;
    color: var(--text-muted);
}

.chat-demo {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.chat-message {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
}

.chat-message.user {
    background: rgba(194, 155, 255, 0.08);
    border: 1px solid rgba(194, 155, 255, 0.3);
}

.chat-message.bot {
    background: rgba(125, 226, 255, 0.08);
    border: 1px solid rgba(125, 226, 255, 0.3);
}

.industrial-demo {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    align-items: center;
    color: var(--text-muted);
}

.status-text {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.project-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-desc {
    color: var(--text-body);
}

.project-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.metric {
    background: var(--panel-alt);
    border: 1px solid var(--border-soft);
    border-radius: 16px;
    padding: 0.75rem 1rem;
    min-width: 110px;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.metric-value {
    font-size: 1.4rem;
    color: var(--text-strong);
}

.metric-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tech-tag {
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--border-soft);
    font-size: 0.85rem;
    color: var(--text-body);
}

.gauge {
    width: 140px;
    background: var(--panel-alt);
    border-radius: 18px;
    padding: 1rem;
    border: 1px solid var(--border-soft);
}

.gauge-fill {
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    width: 0%;
    transition: width 1s ease;
}

@media (max-width: 900px) {
    .project-showcase-item.active {
        grid-template-columns: 1fr;
    }
}

/* AWARDS */
.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.award-card {
    border: 1px solid var(--border-soft);
    border-radius: 20px;
    padding: 1.5rem;
    background: var(--panel);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.award-medal {
    font-size: 2rem;
}

.award-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.award-year {
    color: var(--accent-secondary);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

/* CONTACT */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.contact-card {
    border: 1px solid var(--border-soft);
    border-radius: 20px;
    padding: 1.5rem;
    background: var(--panel);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--panel-alt);
    border: 1px solid var(--border-soft);
    display: grid;
    place-items: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-card h3 {
    margin-bottom: 0.3rem;
}

.contact-card a {
    color: var(--accent-primary);
    text-decoration: none;
}

.phone-numbers {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}