/* ========================================
   ABOUT SECTION STYLES
   ======================================== */

.about {
    padding: var(--space-2xl) var(--space-md);
    background: var(--bg-subtle);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}

.about-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* About Header */
.about-header {
    text-align: left;
    margin-bottom: var(--space-md);
}

.about-header .section-label::before,
.about-header .section-label::after {
    display: none;
}

/* About Intro */
.about-intro {
    margin-bottom: var(--space-xl);
}

.about-intro p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.about-intro p:last-child {
    margin-bottom: 0;
    color: var(--text);
    font-weight: 500;
}

/* About Details */
.about-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.about-detail {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.3s var(--ease-out);
}

.about-detail:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.detail-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--accent-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.detail-icon svg {
    width: 20px;
    height: 20px;
}

.detail-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

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

/* About Visual / Card */
.about-visual {
    position: relative;
}

.about-card {
    background: var(--bg);
    border: 1px solid var(--border-strong);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: linear-gradient(135deg, var(--bg-subtle) 0%, var(--bg) 100%);
    border-bottom: 1px solid var(--border);
}

.card-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 0.95rem;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.card-info {
    flex: 1;
}

.card-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

.card-role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--accent-bg);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    position: relative;
}

.status-dot::after {
    content: '';
    position: absolute;
    inset: -3px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    animation: ping 2s ease-out infinite;
}

/* Card Body */
.about-card-body {
    padding: var(--space-lg);
}

.skill-group {
    margin-bottom: var(--space-lg);
}

.skill-group:last-of-type {
    margin-bottom: var(--space-xl);
}

.skill-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-sm);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 8px 14px;
    background: var(--accent-bg);
    border: 1px solid rgba(5, 150, 105, 0.2);
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
}

.skill-tag.secondary {
    background: var(--bg-muted);
    border-color: var(--border);
    color: var(--text-secondary);
}

/* Experience Bar */
.experience-bar {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.exp-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.exp-value {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
}

.exp-track {
    height: 8px;
    background: var(--bg-muted);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.exp-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
    border-radius: 4px;
    transition: width 1.5s var(--ease-out);
}

.exp-timeline {
    display: flex;
    justify-content: space-between;
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* Card Footer */
.about-card-footer {
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-subtle);
    border-top: 1px solid var(--border);
}

.response-time {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.response-time svg {
    width: 16px;
    height: 16px;
    color: var(--accent);
}

.response-time strong {
    color: var(--accent);
}

/* Floating Elements */
.about-float {
    display: none;
    position: absolute;
    width: 48px;
    height: 48px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    box-shadow: var(--shadow-md);
    opacity: 0;
}

.about-float svg {
    width: 22px;
    height: 22px;
}

.about-float-1 {
    top: -10px;
    right: 20px;
}

.about-float-2 {
    bottom: 40px;
    left: -10px;
}

/* Boundaries Section */
.about-boundaries {
    max-width: 1200px;
    margin: var(--space-xl) auto 0;
    padding: 0 var(--space-md);
}

.boundaries-inner {
    background: var(--bg);
    border: 1px solid var(--border-strong);
    border-radius: 16px;
    padding: var(--space-lg);
}

.boundaries-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: var(--space-lg);
}

.boundaries-header svg {
    width: 18px;
    height: 18px;
    color: var(--accent);
}

.boundaries-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.boundary {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.boundary-icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -1px;
}

.boundary-icon svg {
    width: 12px;
    height: 12px;
}

.boundary-icon.no {
    background: var(--red-bg);
    color: var(--red);
}

.boundary-icon.yes {
    background: var(--accent-bg);
    color: var(--accent);
}

/* Scroll Animations */
.about-content,
.about-visual,
.about-boundaries {
    opacity: 0;
    transform: translateY(30px);
}

.about-content.visible,
.about-visual.visible,
.about-boundaries.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s var(--ease-out);
}

.about-visual.visible {
    transition-delay: 0.15s;
}

.about-boundaries.visible {
    transition-delay: 0.3s;
}

.about-detail {
    opacity: 0;
    transform: translateX(-20px);
}

.about-detail.visible {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.5s var(--ease-out);
}

.about-detail:nth-child(1).visible { transition-delay: 0.1s; }
.about-detail:nth-child(2).visible { transition-delay: 0.2s; }
.about-detail:nth-child(3).visible { transition-delay: 0.3s; }

/* ========== TABLET (640px+) ========== */
@media (min-width: 640px) {
    .about {
        padding: var(--space-2xl) var(--space-lg);
    }

    .about-intro p {
        font-size: 1.1rem;
    }

    .boundaries-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .about-float {
        display: flex;
    }
}

/* ========== DESKTOP (1024px+) ========== */
@media (min-width: 1024px) {
    .about {
        padding: var(--space-2xl) var(--space-xl);
    }

    .about-inner {
        display: grid;
        grid-template-columns: 1fr 400px;
        gap: var(--space-2xl);
        align-items: start;
    }

    .about-header {
        margin-bottom: var(--space-lg);
    }

    .about-header .section-title {
        font-size: 2.25rem;
    }

    .about-intro p {
        font-size: 1.15rem;
    }

    .about-visual {
        position: sticky;
        top: 100px;
    }

    .about-card {
        border-radius: 24px;
        transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
    }

    .about-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-xl);
    }

    .about-float {
        opacity: 0;
        animation: floatIn 0.6s var(--ease-out) forwards;
    }

    .about-float-1 {
        animation-delay: 0.8s;
        top: -15px;
        right: 30px;
    }

    .about-float-2 {
        animation-delay: 1s;
        bottom: 60px;
        left: -20px;
    }

    @keyframes floatIn {
        to { opacity: 1; }
    }

    .about-float.floating {
        animation: float 6s ease-in-out infinite;
    }

    .about-boundaries {
        padding: 0;
    }

    .boundaries-inner {
        padding: var(--space-xl);
        border-radius: 20px;
    }
}

/* ========== LARGE DESKTOP (1280px+) ========== */
@media (min-width: 1280px) {
    .about-inner {
        grid-template-columns: 1fr 440px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .about-content,
    .about-visual,
    .about-boundaries,
    .about-detail {
        opacity: 1;
        transform: none;
    }
    
    .about-content.visible,
    .about-visual.visible,
    .about-boundaries.visible,
    .about-detail.visible {
        transition: none;
    }

    .status-dot::after {
        animation: none;
    }
}