/* ============================================
   HTML Overlay Sections
   ============================================ */

#overlay-container {
    position: fixed;
    inset: 0;
    z-index: 10;
    pointer-events: none;
}

.overlay-section {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-2xl);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    pointer-events: none;
    will-change: opacity, transform;
}

.overlay-section.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.section-label {
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--space-xl);
    position: relative;
}

.section-label::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

/* Glass Card */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-accent);
}

/* ============================================
   Hero Section
   ============================================ */

.hero-content {
    text-align: center;
    max-width: 700px;
    background: rgba(10, 10, 20, 0.75);
    backdrop-filter: blur(24px) saturate(120%);
    -webkit-backdrop-filter: blur(24px) saturate(120%);
    border: 1px solid rgba(108, 99, 255, 0.15);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl) var(--space-3xl);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.hero-greeting {
    font-size: var(--fs-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-sm);
    font-weight: 300;
    letter-spacing: 0.05em;
}

.hero-name {
    font-family: var(--font-display);
    font-size: var(--fs-hero);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    color: #ffffff;
}

.hero-role {
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    color: #ffffff;
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.hero-tagline {
    font-size: var(--fs-lg);
    color: rgb(255, 255, 255);
    line-height: 1.6;
    margin-bottom: var(--space-2xl);
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent);
    color: rgb(0, 0, 0);
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    background: var(--accent-light);
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.scroll-indicator span {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {

    0%,
    100% {
        transform: rotate(45deg) translate(0, 0);
        opacity: 0.5;
    }

    50% {
        transform: rotate(45deg) translate(5px, 5px);
        opacity: 1;
    }
}

/* ============================================
   About Section
   ============================================ */

.about-card {
    max-width: 600px;
    text-align: center;
}

.about-card h2 {
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.about-card p {
    font-size: var(--fs-base);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.about-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ============================================
   Skills Section
   ============================================ */

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
    max-width: 900px;
    width: 100%;
}

.skill-category {
    padding: var(--space-xl);
}

.skill-category h3 {
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.category-icon {
    font-size: var(--fs-xl);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.85rem;
    background: rgba(108, 99, 255, 0.08);
    border: 1px solid rgba(108, 99, 255, 0.15);
    border-radius: var(--radius-xl);
    font-size: var(--fs-sm);
    color: var(--text-primary);
    cursor: default;
    transition: all var(--transition);
    position: relative;
}

.skill-tag:hover {
    background: rgba(108, 99, 255, 0.18);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 99, 255, 0.15);
}

/* Skill Tooltip */
.skill-tag .tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    background: var(--bg-secondary);
    border: 1px solid var(--border-hover);
    color: var(--accent-light);
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: var(--fs-xs);
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    z-index: 20;
}

.skill-tag .tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--border-hover);
}

.skill-tag:hover .tooltip {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* ============================================
   Projects Section
   ============================================ */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    max-width: 1000px;
    width: 100%;
}

.project-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-accent);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card h3 {
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.project-card .project-desc {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-card .project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.project-card .stack-badge {
    font-size: var(--fs-xs);
    padding: 0.2rem 0.5rem;
    background: rgba(108, 99, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--accent-light);
}

.project-card .card-arrow {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    font-size: var(--fs-xl);
    color: var(--text-muted);
    transition: all var(--transition);
}

.project-card:hover .card-arrow {
    color: var(--accent);
    transform: translate(3px, -3px);
}

/* ============================================
   Contact Section
   ============================================ */

.contact-card {
    text-align: center;
    max-width: 500px;
}

.contact-card h2 {
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    margin-bottom: var(--space-md);
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-xl);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    color: var(--text-secondary);
    min-width: 110px;
}

.contact-link:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-accent);
}

.contact-link span {
    font-size: var(--fs-sm);
    font-weight: 500;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .overlay-section {
        padding: var(--space-lg);
    }

    .hero-name {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .hero-tagline {
        font-size: var(--fs-base);
    }

    .about-stats {
        gap: var(--space-lg);
    }

    .stat-number {
        font-size: var(--fs-2xl);
    }

    .skills-container {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .contact-links {
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .about-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .glass-card {
        padding: var(--space-lg);
    }
}