/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Technical Systems Engineer Palette */
    --sys-bg: #0d1117;
    --sys-surface: #161b22;
    --sys-surface-elevated: #1c2128;
    --sys-border: #30363d;
    --sys-border-subtle: #21262d;
    --sys-text-primary: #c9d1d9;
    --sys-text-secondary: #8b949e;
    --sys-text-muted: #6e7681;
    --sys-accent: #58a6ff;
    --sys-accent-hover: #79c0ff;
    --sys-success: #3fb950;
    --sys-warning: #d29922;
    --sys-error: #f85149;
    --sys-code: #c9d1d9;
    --sys-code-bg: #161b22;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    background: var(--sys-bg);
    color: var(--sys-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 15px;
    font-weight: 400;
}

.cyberpunk-container {
    min-height: 100vh;
    position: relative;
    background: var(--sys-bg);
}

/* Subtle technical grid */
.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(88, 166, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(88, 166, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    opacity: 0.5;
}

/* Header */
.cyber-header {
    padding: 2rem 2rem 1.75rem;
    border-bottom: 1px solid var(--sys-border);
    background: var(--sys-surface);
    position: relative;
}

.header-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.terminal-line {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.75rem;
    color: var(--sys-text-muted);
    font-weight: 400;
}

.terminal-prompt {
    color: var(--sys-success);
    margin-right: 0.5rem;
}

.terminal-text {
    color: var(--sys-text-secondary);
}

.cyber-title {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--sys-text-primary);
    letter-spacing: -0.02em;
    margin: 0.5rem 0;
}

.header-right {
    display: flex;
    align-items: center;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.75rem;
    color: var(--sys-text-muted);
    font-weight: 400;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: var(--sys-success);
    border-radius: 50%;
}

/* Main Content */
.cyber-main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 3rem 2rem 4rem;
    position: relative;
}

/* Hero Section */
.cyber-hero {
    position: relative;
    padding: 3rem 2.5rem;
    text-align: left;
    border: 1px solid var(--sys-border);
    background: var(--sys-surface);
    margin-bottom: 3rem;
    border-radius: 8px;
    overflow: hidden;
}

.cyber-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sys-accent), transparent);
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.cyber-badge {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.8125rem;
    color: var(--sys-accent);
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    font-weight: 500;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: -0.03em;
    color: var(--sys-text-primary);
    background: linear-gradient(135deg, var(--sys-text-primary) 0%, var(--sys-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.neon-purple,
.neon-green,
.neon-cyan {
    color: var(--sys-text-primary);
}

.hero-subtitle {
    font-size: 1.0625rem;
    color: var(--sys-text-secondary);
    letter-spacing: -0.01em;
    margin-bottom: 0;
    font-weight: 400;
    line-height: 1.7;
    max-width: 600px;
}

.hero-lines {
    display: none;
}

/* Disclaimer Section */
.cyber-disclaimer {
    margin-bottom: 3rem;
    padding-top: 0;
}

.disclaimer-content {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--sys-border);
    background: var(--sys-surface);
    position: relative;
    border-left: 3px solid var(--sys-warning);
    border-radius: 6px;
    margin-bottom: 3rem;
}

.disclaimer-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sys-warning);
    margin-top: 0.125rem;
}

.disclaimer-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.disclaimer-label {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.75rem;
    color: var(--sys-warning);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.disclaimer-message {
    font-size: 0.875rem;
    color: var(--sys-text-secondary);
    line-height: 1.6;
}

/* Section Header */
.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--sys-border);
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 60px;
    height: 1px;
    background: var(--sys-accent);
    opacity: 0.6;
}

.section-number {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.875rem;
    color: var(--sys-accent);
    font-weight: 500;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--sys-text-primary);
    letter-spacing: -0.02em;
}

.section-line {
    flex: 1;
    height: 1px;
    background: var(--sys-border);
}

/* Projects Grid */
.cyber-projects {
    margin-bottom: 4rem;
    padding-top: 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.cyber-card {
    position: relative;
    border: 1px solid var(--sys-border);
    background: var(--sys-surface);
    padding: 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    height: 100%;
    border-radius: 8px;
    overflow: hidden;
}

.cyber-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--sys-accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cyber-card:hover {
    border-color: var(--sys-accent);
    box-shadow: 0 8px 24px rgba(88, 166, 255, 0.15);
    transform: translateY(-4px);
}

.cyber-card:hover::before {
    opacity: 1;
}

.card-content {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--sys-border);
}

.card-id {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.75rem;
    color: var(--sys-text-muted);
}

.card-status {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.75rem;
    color: var(--sys-success);
    padding: 0.25rem 0.625rem;
    background: rgba(63, 185, 80, 0.1);
    border-radius: 4px;
    font-weight: 500;
}

.card-title {
    font-size: 1.375rem;
    font-weight: 500;
    color: var(--sys-text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    transition: color 0.3s ease;
}

.cyber-card:hover .card-title {
    color: var(--sys-accent);
}

.card-description {
    color: var(--sys-text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.7;
    flex: 1;
    font-size: 0.9375rem;
}

.card-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.tech-tag {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--sys-border);
    color: var(--sys-text-secondary);
    background: var(--sys-surface-elevated);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.tech-tag:hover {
    border-color: var(--sys-accent);
    color: var(--sys-accent);
    transform: translateY(-1px);
}

.card-footer {
    margin-top: auto;
}

.preview-btn {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.875rem;
    color: var(--sys-accent);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: color 0.2s ease;
    font-weight: 500;
}

.preview-btn:hover {
    color: var(--sys-accent-hover);
}

.preview-btn .arrow {
    margin-left: 0.25rem;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
}

.preview-btn:hover .arrow {
    transform: translateX(4px);
}

/* Stats Section */
.cyber-stats {
    margin-bottom: 4rem;
    padding-top: 0;
}

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

.stat-box {
    border: 1px solid var(--sys-border);
    background: var(--sys-surface);
    padding: 2rem;
    text-align: center;
    position: relative;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.stat-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sys-accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-box:hover {
    border-color: var(--sys-accent);
    transform: translateY(-2px);
}

.stat-box:hover::before {
    opacity: 0.5;
}

.stat-value {
    font-size: 2rem;
    font-weight: 500;
    color: var(--sys-accent);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.stat-label {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.75rem;
    color: var(--sys-text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* About Section */
.cyber-about {
    margin-bottom: 4rem;
    padding-top: 0;
}

.about-content {
    border: 1px solid var(--sys-border);
    background: var(--sys-surface);
    padding: 2.5rem;
    border-radius: 8px;
}

.about-text {
    color: var(--sys-text-primary);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 0.9375rem;
}

.tech-stack {
    margin-top: 2rem;
}

.tech-category {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--sys-border);
}

.tech-label {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.75rem;
    color: var(--sys-text-muted);
    margin-bottom: 1rem;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.tech-items span {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.8125rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--sys-border);
    color: var(--sys-text-secondary);
    background: var(--sys-surface-elevated);
    border-radius: 4px;
}

/* Contact Section */
.cyber-contact {
    margin-bottom: 4rem;
    padding-top: 0;
}

.contact-content {
    border: 1px solid var(--sys-border);
    background: var(--sys-surface);
    padding: 2rem;
    border-radius: 8px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--sys-border);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-label {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.75rem;
    color: var(--sys-text-muted);
    min-width: 80px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-link {
    color: var(--sys-accent);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.contact-link:hover {
    color: var(--sys-accent-hover);
    text-decoration: underline;
}

/* Footer */
.cyber-footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--sys-border);
    background: var(--sys-surface);
}

.footer-line {
    display: none;
}

.footer-text {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.75rem;
    color: var(--sys-text-muted);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

/* Modals */
.cyber-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 17, 23, 0.8);
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--sys-surface);
    border: 1px solid var(--sys-border);
    border-radius: 12px;
    max-width: 95vw;
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--sys-border);
    background: var(--sys-surface-elevated);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    border-radius: 12px 12px 0 0;
    position: relative;
}

.modal-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, var(--sys-accent), transparent);
    opacity: 0.4;
}

.modal-title-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.8125rem;
    color: var(--sys-text-secondary);
}

.modal-close {
    position: relative;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--sys-text-muted);
    cursor: pointer;
    transition: color 0.2s ease;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
}

.modal-close:hover {
    color: var(--sys-text-primary);
    background: var(--sys-surface);
}

.modal-iframe-container {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 600px;
    max-height: 80vh;
    aspect-ratio: 16 / 10;
}

.modal-iframe {
    width: 100%;
    height: 100%;
    border: none;
    flex: 1;
    min-height: 600px;
    max-height: 80vh;
}

.modal-info {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--sys-border);
    background: var(--sys-surface-elevated);
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.8125rem;
}

.cyber-link {
    color: var(--sys-accent);
    text-decoration: none;
    transition: color 0.2s ease;
    font-size: 0.8125rem;
}

.cyber-link:hover {
    color: var(--sys-accent-hover);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .cyber-main {
        padding: 2rem 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

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

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

    .disclaimer-content {
        flex-direction: column;
    }

    .modal-content {
        max-width: 95vw;
        max-height: 95vh;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-header {
        flex-wrap: wrap;
    }
}