/* ==========================================================================
   SECTION-SPECIFIC STYLES — Portfolio
   ========================================================================== */

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 24px 60px;
}

#particleCanvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-greeting {
    font-size: clamp(0.95rem, 1.5vw, 1.15rem);
    color: var(--accent-blue);
    font-weight: 500;
    margin-bottom: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-name {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.hero-roles {
    font-size: clamp(1.1rem, 2.5vw, 1.6rem);
    color: var(--text-secondary);
    margin-bottom: 28px;
    min-height: 2.4em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.role-prefix {
    color: var(--text-muted);
}

.role-text {
    color: var(--accent-purple);
    font-weight: 600;
}

.role-cursor {
    animation: blink 1s step-end infinite;
    color: var(--accent-blue);
    font-weight: 300;
}

.hero-description {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-social {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border-glass);
    color: var(--text-secondary) !important;
    font-size: 1.1rem;
    transition: all var(--transition-normal);
    background: var(--bg-card);
}

.social-link:hover {
    color: var(--accent-blue) !important;
    border-color: var(--accent-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-blue);
    background: rgba(0, 212, 255, 0.08);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
    animation: float 2.5s ease-in-out infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.mouse-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-blue);
    border-radius: 4px;
    animation: scroll-wheel 1.5s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% {
        opacity: 1;
        transform: translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateY(10px);
    }
}

.scroll-indicator span {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* ===== ABOUT SECTION ===== */
.about-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 60px;
    align-items: start;
}

.image-frame {
    position: relative;
    width: 280px;
    height: 320px;
    margin: 0 auto;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-lg);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(124, 58, 237, 0.1));
    border: 2px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--accent-blue);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-decoration {
    position: absolute;
    top: 16px;
    left: 16px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent-blue);
    border-radius: var(--border-radius-lg);
    opacity: 0.3;
    z-index: 0;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.8;
}

.about-text strong {
    color: var(--text-primary);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 32px 0;
}

.stat-item {
    text-align: center;
    padding: 20px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-glow-blue);
    transform: translateY(-4px);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== EXPERIENCE TIMELINE ===== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 48px auto 0;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-blue), var(--accent-purple), var(--accent-pink));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -38px;
    top: 24px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--accent-blue);
    z-index: 1;
}

.timeline-content {
    padding: 28px;
    position: relative;
}

.timeline-badge {
    position: absolute;
    top: -16px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: #fff;
}

.timeline-badge.education {
    background: var(--gradient-primary);
}

.timeline-badge.work {
    background: var(--gradient-secondary);
}

.timeline-badge.achievement {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
}

.timeline-date {
    font-size: 0.8rem;
    color: var(--accent-blue);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 6px;
    color: var(--text-primary);
}

.timeline-content h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
    margin-top: 12px;
}

.project-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
}

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(145deg, rgba(0, 212, 255, 0.08), rgba(124, 58, 237, 0.08));
}

.project-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--accent-blue);
    opacity: 0.6;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.08);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 26, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-links {
    display: flex;
    gap: 16px;
}

.project-link-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-glass-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff !important;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
    transform: translateY(10px);
}

.project-card:hover .project-link-btn {
    transform: translateY(0);
}

.project-link-btn:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.project-info {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.tag {
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.4);
}

.project-store-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary) !important;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-glass);
    transition: all var(--transition-fast);
}

.store-btn:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-blue);
    color: var(--accent-blue) !important;
    transform: translateY(-2px);
}

.store-btn i {
    font-size: 1rem;
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.skill-card {
    padding: 32px 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

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

.skill-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(124, 58, 237, 0.1));
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--accent-blue);
    transition: all var(--transition-normal);
}

.skill-card:hover .skill-icon {
    background: var(--gradient-primary);
    color: #fff;
    transform: scale(1.1);
    border-color: transparent;
    box-shadow: var(--shadow-glow-blue);
}

.skill-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

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

/* ===== SERVICES SECTION ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    padding: 36px 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-icon-wrap {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(236, 72, 153, 0.12));
    border: 1px solid rgba(124, 58, 237, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--accent-purple);
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon-wrap {
    background: var(--gradient-secondary);
    color: #fff;
    transform: scale(1.1) rotate(5deg);
    border-color: transparent;
    box-shadow: var(--shadow-glow-purple);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* ===== CONTACT SECTION ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(124, 58, 237, 0.1));
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-blue);
    transition: all var(--transition-normal);
}

.contact-card:hover .contact-icon {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
}

.contact-card h4 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-card p {
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* Contact Form */
.contact-form {
    padding: 36px;
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.04);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group label {
    position: absolute;
    top: -8px;
    left: 14px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent-blue);
    background: var(--bg-secondary);
    padding: 0 6px;
    opacity: 0;
    transition: opacity var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input:focus+label,
.form-group textarea:focus+label,
.form-group input:not(:placeholder-shown)+label,
.form-group textarea:not(:placeholder-shown)+label {
    opacity: 1;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== FOOTER ===== */
#footer {
    background: var(--bg-tertiary);
    padding: 60px 0 24px;
    border-top: 1px solid var(--border-glass);
    position: relative;
}

#footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 16px;
    font-size: 0.92rem;
    line-height: 1.7;
}

.footer-links h4,
.footer-social h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    color: var(--text-secondary) !important;
    padding: 6px 0;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-blue) !important;
    transform: translateX(6px);
}

.social-links-row {
    display: flex;
    gap: 12px;
}

.social-links-row a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border-glass);
    color: var(--text-secondary) !important;
    font-size: 1rem;
    transition: all var(--transition-normal);
    background: var(--bg-card);
}

.social-links-row a:hover {
    color: var(--accent-blue) !important;
    border-color: var(--accent-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-glass);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== RESPONSIVE BREAKPOINTS ===== */

/* Tablet */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        text-align: center;
    }

    .image-frame {
        width: 240px;
        height: 280px;
    }

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

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

    .contact-info {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Mobile */
@media (max-width: 640px) {
    .hero-section {
        padding: 100px 20px 40px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

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

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

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

    .contact-info {
        grid-template-columns: 1fr;
    }

    .contact-card {
        flex-direction: column;
        text-align: center;
    }

    .contact-form {
        padding: 24px;
    }

    .timeline {
        padding-left: 24px;
    }

    .timeline-item::before {
        left: -30px;
        width: 12px;
        height: 12px;
    }

    .timeline-content {
        padding: 20px;
    }

    .scroll-indicator {
        display: none;
    }
}

/* Small mobile */
@media (max-width: 400px) {
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }

    .hero-social {
        gap: 10px;
    }

    .social-link {
        width: 42px;
        height: 42px;
    }
}