/* =====================================================
   EXECUTIVE DARK THEME - INTEGRATION ARCHITECT PORTFOLIO
   ===================================================== */

/* === ROOT VARIABLES === */
:root {
    /* Executive Dark Palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(26, 26, 46, 0.6);
    
    /* Cyan Accent System */
    --accent-primary: #00d4ff;
    --accent-secondary: #0099cc;
    --accent-hover: #00b8e6;
    --accent-glow: rgba(0, 212, 255, 0.3);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #707070;
    
    /* Glassmorphism */
    --glass-bg: rgba(26, 26, 46, 0.4);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    --gradient-card: linear-gradient(135deg, rgba(26, 26, 46, 0.8) 0%, rgba(22, 33, 62, 0.6) 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--gradient-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* === NAVIGATION === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 4px 20px var(--glass-shadow);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    gap: 0.25rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--accent-primary);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link-cta {
    background: var(--gradient-accent);
    color: var(--bg-primary);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 6rem 2rem 2rem;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    animation: fadeInUp 0.8s ease;
}

.badge-icon {
    font-size: 1.2rem;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-secondary);
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.4s both;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.typed-text {
    color: var(--accent-primary);
    font-weight: 600;
}

.subtitle-separator {
    color: var(--text-muted);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 3rem auto;
    animation: fadeInUp 1s ease 0.8s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-number::after {
    content: '+';
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
    animation: fadeInUp 1s ease 1s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.1);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--accent-primary);
    border-bottom: 2px solid var(--accent-primary);
    transform: rotate(45deg);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* === SECTIONS === */
.section {
    padding: var(--spacing-xl) 2rem;
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* === EXPERIENCE SECTION === */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.experience-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.experience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

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

.experience-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 50px var(--accent-glow);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
}

.card-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.card-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
}

.card-tech li {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--accent-primary);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
}

/* === SKILLS SECTION === */
.skills-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.skills-bars {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.skill-item {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: all var(--transition-base);
}

.skill-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(10px);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
}

.skill-percentage {
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.skill-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s ease;
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 20px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3));
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.skill-detail {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.skills-radar {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

#skillsRadar {
    max-width: 100%;
    height: auto;
}

/* === PROJECTS SECTION === */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 50px var(--accent-glow);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 153, 204, 0.2) 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.project-status {
    background: rgba(0, 255, 127, 0.2);
    border: 1px solid rgba(0, 255, 127, 0.5);
    color: #00ff7f;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-content {
    padding: 2rem;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.project-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.project-stats .stat {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--accent-primary);
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

/* === HOMELAB SECTION === */
.homelab-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, transparent 100%);
}

.homelab-hero {
    margin-bottom: 3rem;
}

.homelab-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.homelab-stat-card {
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-base);
}

.homelab-stat-card:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 50px var(--accent-glow);
}

.homelab-stat-card .stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.homelab-stat-card .stat-value {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.homelab-stat-card .stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.homelab-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.homelab-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: all var(--transition-base);
}

.homelab-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
}

.homelab-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.title-icon {
    font-size: 1.8rem;
}

.homelab-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.homelab-list li {
    color: var(--text-secondary);
    line-height: 1.7;
    padding-left: 1.5rem;
    position: relative;
}

.homelab-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: 700;
}

.homelab-list strong {
    color: var(--accent-primary);
    font-weight: 600;
}

.homelab-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* === CONTACT SECTION === */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: all var(--transition-base);
}

.contact-card:hover {
    border-color: var(--accent-primary);
    transform: translateX(10px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-card p,
.contact-card a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-card a:hover {
    color: var(--accent-primary);
}

.contact-form {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.05);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-error {
    display: block;
    color: #ff4444;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.turnstile-container {
    padding: 1rem 0;
}

.turnstile-placeholder {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 1.2rem 2rem;
    font-size: 1.1rem;
    margin-top: 1rem;
    position: relative;
}

.btn-submit.loading .btn-text {
    visibility: hidden;
}

.btn-loader {
    display: none;
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--bg-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-submit.loading .btn-loader {
    display: block;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(0, 255, 127, 0.1);
    border: 1px solid rgba(0, 255, 127, 0.3);
    color: #00ff7f;
}

.form-message.error {
    display: block;
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid rgba(255, 68, 68, 0.3);
    color: #ff4444;
}

/* === FOOTER === */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: 3rem 2rem 2rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto 2rem;
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.footer-brand p {
    color: var(--text-secondary);
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
    .skills-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateX(100%);
        transition: transform var(--transition-base);
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .hero {
        padding: 8rem 1.5rem 3rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section {
        padding: var(--spacing-lg) 1.5rem;
    }
    
    .experience-grid,
    .projects-grid,
    .homelab-details {
        grid-template-columns: 1fr;
    }
    
    .homelab-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-stats,
    .homelab-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .contact-form {
        padding: 2rem 1.5rem;
    }
}

/* === TIMELINE SECTION === */
.timeline-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.02) 0%, transparent 100%);
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: calc(50% - 2rem);
}

.timeline-item:nth-child(odd) {
    margin-left: 0;
    text-align: right;
    padding-right: 3rem;
}

.timeline-item:nth-child(even) {
    margin-left: auto;
    text-align: left;
    padding-left: 3rem;
}

.timeline-marker {
    position: absolute;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--gradient-accent);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-marker {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-marker {
    left: -10px;
}

.timeline-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
}

.timeline-content:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 15px 40px var(--accent-glow);
}

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

.timeline-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-company {
    display: block;
    font-size: 1.1rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-duration {
    display: block;
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    font-family: var(--font-mono);
}

.timeline-location {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.timeline-highlights {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.timeline-highlights li {
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 1.5rem;
    position: relative;
}

.timeline-highlights li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 1.2rem;
}

/* === CERTIFICATIONS SECTION === */
.certifications-section {
    background: var(--bg-secondary);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.cert-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

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

.cert-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 50px var(--accent-glow);
}

.cert-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 1rem;
}

.cert-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.cert-issuer {
    font-size: 1rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

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

/* Responsive timeline */
@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        margin-left: 0;
        text-align: left;
        padding-left: 3rem;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(odd) {
        text-align: left;
        padding-left: 3rem;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(odd) .timeline-marker {
        left: 11px;
        right: auto;
    }
    
    .timeline-item:nth-child(even) .timeline-marker {
        left: 11px;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}