/* ===== About Intro Section ===== */
.about-intro-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

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

.about-intro-visual {
    position: relative;
}

.company-visual {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cv-bg-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.ring-a {
    width: 70%;
    height: 70%;
    animation: pulse-ring 4s ease-in-out infinite;
}

.ring-b {
    width: 90%;
    height: 90%;
    border-style: dashed;
    animation: pulse-ring 4s ease-in-out infinite 1s;
}

@keyframes pulse-ring {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.02); }
}

.cv-center {
    position: relative;
    z-index: 2;
    text-align: center;
    background: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.cv-center p {
    font-size: 1.2rem;
    font-weight: 800;
    margin-top: 16px;
}

.cv-data {
    position: absolute;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-align: center;
}

.d1 { top: 10%; right: 0; }
.d2 { bottom: 20%; right: 5%; }
.d3 { bottom: 10%; left: 5%; }

.cv-num {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cv-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.about-intro-content {
    padding-right: 20px;
}

.about-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-certs {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 30px;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 30px;
    font-size: 0.85rem;
}

.cert-icon {
    color: var(--accent-green);
    font-size: 1rem;
}

/* ===== Timeline Section ===== */
.timeline-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 60px auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), rgba(0, 212, 255, 0.2));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 40px 60px;
}

.timeline-item.left {
    padding-right: 80px;
    text-align: right;
}

.timeline-item.right {
    margin-left: 50%;
    padding-left: 80px;
    text-align: left;
}

.timeline-dot {
    position: absolute;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--gradient-1);
    border-radius: 50%;
    z-index: 2;
}

.timeline-item.left .timeline-dot {
    right: -8px;
}

.timeline-item.right .timeline-dot {
    left: -8px;
}

.timeline-dot-active {
    width: 20px;
    height: 20px;
    top: 4px;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.timeline-item.left .timeline-dot-active {
    right: -10px;
}

.timeline-item.right .timeline-dot-active {
    left: -10px;
}

.timeline-card {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: var(--transition);
}

.timeline-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.timeline-card-active {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 255, 136, 0.05));
}

.timeline-year {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gradient-1);
    color: #000;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: 12px;
}

.timeline-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.timeline-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Team Section ===== */
.team-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
}

.team-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.team-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--gradient-3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-placeholder {
    font-size: 3rem;
}

.team-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.team-role {
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.team-bio {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Culture Section ===== */
.culture-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.culture-card {
    padding: 36px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
}

.culture-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.culture-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.culture-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.culture-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .about-intro-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item.left,
    .timeline-item.right {
        width: 100%;
        padding-left: 60px;
        padding-right: 0;
        margin-left: 0;
        text-align: left;
    }
    
    .timeline-item .timeline-dot,
    .timeline-item.left .timeline-dot,
    .timeline-item.right .timeline-dot {
        left: 12px;
        right: auto;
    }
}

@media (max-width: 768px) {
    .team-grid,
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .cv-data {
        display: none;
    }
}