/* CSS Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #818cf8;
    --accent-light: #a5b4fc;
    --accent-glow: rgba(129, 140, 248, 0.15);
    --border: rgba(148, 163, 184, 0.1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Effects */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(129, 140, 248, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139, 92, 246, 0.08), transparent);
    z-index: -1;
}

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Main Content */
main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Sections */
.section {
    padding: 6rem 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.section-content {
    width: 100%;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.03em;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--accent-glow);
    color: var(--accent-light);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 5rem;
}

.hero-content {
    max-width: 800px;
}

.hero-subtitle {
    color: var(--accent-light);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}

.hero-title .name {
    display: block;
    color: var(--text-primary);
}

.hero-title .surname {
    display: block;
    color: var(--text-muted);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-description .highlight {
    color: var(--accent-light);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(148, 163, 184, 0.15);
    transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-muted), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

.about-text .lead {
    font-size: 1.15rem;
    color: var(--text-primary);
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.about-text .highlight {
    color: var(--accent-light);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat {
    padding: 1.5rem;
    background: rgba(148, 163, 184, 0.05);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-light);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* VIBE Ecosystem */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.product-card {
    padding: 2rem;
    background: rgba(148, 163, 184, 0.03);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: all var(--transition);
}

.product-card:hover {
    background: rgba(148, 163, 184, 0.06);
    border-color: rgba(129, 140, 248, 0.3);
    transform: translateY(-4px);
}

.product-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: 12px;
    margin-bottom: 1.25rem;
    color: var(--accent-light);
}

.product-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.product-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.product-status.live {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}

.product-status.in-dev {
    background: rgba(251, 191, 36, 0.15);
    color: #fbbf24;
}

.product-status.planned {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-secondary);
}

.product-tagline {
    color: var(--accent-light);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.product-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.architecture-highlights {
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(129, 140, 248, 0.08), rgba(139, 92, 246, 0.05));
    border: 1px solid rgba(129, 140, 248, 0.15);
    border-radius: 24px;
}

.architecture-highlights h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.highlights-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.highlights-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.highlights-list li::before {
    content: "→";
    color: var(--accent);
    flex-shrink: 0;
}

/* Work Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.project-card {
    padding: 1.5rem;
    background: rgba(148, 163, 184, 0.03);
    border: 1px solid var(--border);
    border-radius: 16px;
    cursor: pointer;
    transition: all var(--transition);
}

.project-card:hover {
    background: rgba(148, 163, 184, 0.06);
    transform: translateY(-2px);
}

.project-header {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.project-category {
    padding: 0.25rem 0.75rem;
    background: var(--accent-glow);
    color: var(--accent-light);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.project-tech {
    padding: 0.25rem 0.75rem;
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-secondary);
    border-radius: 100px;
    font-size: 0.75rem;
}

.project-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.view-all-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-light);
    text-decoration: none;
    font-weight: 500;
    transition: gap var(--transition);
}

.view-all-link:hover {
    gap: 0.75rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.skill-category {
    padding: 1.5rem;
    background: rgba(148, 163, 184, 0.03);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.skill-category h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.skill-tags span {
    padding: 0.375rem 0.875rem;
    background: var(--accent-glow);
    color: var(--accent-light);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    text-align: center;
}

.contact-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 1.5rem;
    line-height: 1.7;
}

.contact-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.contact-badge {
    padding: 0.5rem 1rem;
    background: rgba(148, 163, 184, 0.1);
    border-radius: 100px;
    font-size: 0.9rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
}

.contact-btn.email {
    background: var(--accent);
    color: white;
}

.contact-btn.email:hover {
    background: var(--accent-light);
}

.contact-btn.github,
.contact-btn.linkedin {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.contact-btn.github:hover,
.contact-btn.linkedin:hover {
    background: rgba(148, 163, 184, 0.15);
}

/* Footer */
.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

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

.footer-note {
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

/* Portfolio Navigation */
.portfolio-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 101;
    padding: 0.5rem 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.portfolio-nav-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.portfolio-nav-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.portfolio-nav-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.portfolio-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-secondary);
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.portfolio-link:hover {
    background: rgba(129, 140, 248, 0.2);
    border-color: var(--accent);
    color: var(--accent-light);
    transform: translateY(-2px);
}

.portfolio-link.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Adjust main nav to account for portfolio nav */
.nav {
    top: 3rem;
}

/* Ecosystems Section */
.ecosystems {
    padding-top: 4rem;
}

.ecosystem-card {
    padding: 2rem;
    background: rgba(148, 163, 184, 0.03);
    border: 1px solid var(--border);
    border-radius: 24px;
    margin-bottom: 2rem;
    transition: all var(--transition);
}

.ecosystem-card:hover {
    border-color: rgba(129, 140, 248, 0.3);
}

.ecosystem-header {
    margin-bottom: 1.5rem;
}

.ecosystem-title-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.ecosystem-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ecosystem-badge {
    padding: 0.4rem 1rem;
    background: var(--accent-glow);
    color: var(--accent-light);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
}

.ecosystem-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 60 Projects Categories */
.ecosystem-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-card {
    padding: 1.25rem;
    background: rgba(148, 163, 184, 0.05);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all var(--transition);
}

.category-card:hover {
    background: rgba(148, 163, 184, 0.08);
    border-color: rgba(129, 140, 248, 0.3);
    transform: translateY(-2px);
}

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

.category-icon {
    font-size: 1.25rem;
}

.category-header h4 {
    flex: 1;
    font-size: 1rem;
    font-weight: 600;
}

.category-count {
    padding: 0.25rem 0.5rem;
    background: var(--accent-glow);
    color: var(--accent-light);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.category-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.category-tech span {
    padding: 0.25rem 0.6rem;
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-secondary);
    border-radius: 100px;
    font-size: 0.75rem;
}

/* AI-VIBE Projects */
.ecosystem-projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.project-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(148, 163, 184, 0.05);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all var(--transition);
}

.project-item:hover {
    background: rgba(148, 163, 184, 0.08);
    border-color: rgba(129, 140, 248, 0.3);
}

.project-item .project-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.project-item .project-tag {
    padding: 0.2rem 0.5rem;
    background: var(--accent-glow);
    color: var(--accent-light);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 500;
}

.project-item .project-desc {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* AI-SDK Cards */
.ecosystem-sdks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.sdk-card {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem;
    background: rgba(148, 163, 184, 0.05);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all var(--transition);
}

.sdk-card:hover {
    background: rgba(148, 163, 184, 0.08);
    border-color: rgba(129, 140, 248, 0.3);
    transform: translateY(-2px);
}

.sdk-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.sdk-stack {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Ecosystem Links */
.ecosystem-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.ecosystem-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
}

.ecosystem-link.primary {
    background: var(--accent);
    color: white;
}

.ecosystem-link.primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
}

.ecosystem-link.secondary {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.ecosystem-link.secondary:hover {
    background: rgba(148, 163, 184, 0.15);
    border-color: var(--accent);
    color: var(--accent-light);
}

/* Responsive */
@media (max-width: 768px) {
    .portfolio-nav {
        padding: 0.4rem 0;
    }

    .portfolio-nav-content {
        padding: 0 1rem;
    }

    .portfolio-nav-label {
        display: none;
    }

    .portfolio-link {
        width: 1.75rem;
        height: 1.75rem;
        font-size: 0.7rem;
    }

    .nav {
        top: 2.6rem;
        padding: 1rem 0;
    }

    .nav-links {
        display: none;
    }

    .ecosystem-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

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

    .project-item {
        flex-wrap: wrap;
    }

    .project-item .project-desc {
        margin-left: 0;
        width: 100%;
    }

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

    .ecosystem-categories {
        grid-template-columns: 1fr;
    }

    main {
        padding: 0 1.5rem;
    }

    .section {
        padding: 4rem 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .stat {
        flex: 1;
        min-width: 120px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-content > * {
    animation: fadeInUp 0.6s ease-out forwards;
}