/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    z-index: 100;
    padding: var(--spacing-6) 0;
    border-bottom: 1px solid var(--accent-transparent);
    transition: all var(--transition-medium);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    position: relative;
    transition: transform var(--transition-medium);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo span {
    color: var(--text);
}

.desktop-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
}

.desktop-nav a {
    color: var(--text);
    font-size: var(--fs-sm);
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--spacing-2) 0;
    font-family: 'JetBrains Mono', monospace;
}

.desktop-nav a:hover {
    color: var(--accent);
}

.desktop-nav a::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width var(--transition-medium);
}

.desktop-nav a:hover::before {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
    z-index: 101;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
    position: absolute;
    left: 0;
    transition: all var(--transition-medium);
}

.mobile-menu-toggle span:nth-child(1) {
    top: 0;
}

.mobile-menu-toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.mobile-menu-toggle span:nth-child(3) {
    bottom: 0;
}

.mobile-menu-toggle.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--primary-light);
    z-index: 99;
    padding: var(--spacing-24) var(--spacing-6) var(--spacing-6);
    transition: right var(--transition-medium);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav ul {
    list-style: none;
}

.mobile-nav li {
    margin-bottom: var(--spacing-6);
}

.mobile-nav a {
    color: var(--text);
    font-size: var(--fs-lg);
    transition: color var(--transition-fast), transform var(--transition-medium);
    display: block;
    font-family: 'JetBrains Mono', monospace;
    padding: var(--spacing-2) 0;
}

.mobile-nav a:hover {
    color: var(--accent);
    transform: translateX(5px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.hero-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-12);
    margin-top: var(--spacing-6);
}

.hero-image {
    flex: 0 0 300px;
    border-radius: var(--radius-md);
    border: 2px solid var(--accent);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.2);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.hero-image:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(100, 255, 218, 0.3);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-medium);
}

.hero-image:hover img {
    transform: scale(1.05);
}

.hero-subtitle {
    color: var(--accent);
    font-size: var(--fs-md);
    margin-bottom: var(--spacing-4);
    font-family: 'JetBrains Mono', monospace;
}

.hero-title {
    font-size: var(--fs-5xl);
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
    font-weight: 700;
}

.typing-text {
    border-right: 2px solid var(--accent);
    white-space: nowrap;
    overflow: hidden;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

.hero-description {
    color: var(--text-secondary);
    font-size: var(--fs-lg);
    margin-bottom: var(--spacing-8);
    max-width: 600px;
    line-height: 1.6;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(rgba(100, 255, 218, 0.1) 1px, transparent 1px), 
        radial-gradient(rgba(100, 255, 218, 0.05) 1px, transparent 1px);
    background-size: 40px 40px, 20px 20px;
    background-position: 0 0, 20px 20px;
    opacity: 0.2;
    z-index: 1;
}

.tagline {
    color: var(--text);
    font-size: var(--fs-lg);
    margin-bottom: var(--spacing-8);
    font-style: italic;
    border-left: 3px solid var(--accent);
    padding-left: var(--spacing-4);
    line-height: 1.5;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-sm);
}

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

.primary-btn:hover {
    background-color: var(--accent-transparent);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(100, 255, 218, 0.2);
}

.btn-arrow {
    display: inline-block;
    margin-left: var(--spacing-2);
    transition: transform var(--transition-medium);
}

.btn:hover .btn-arrow {
    transform: translateX(5px);
}

/* Cards */
.card {
    background-color: var(--primary-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-8);
    margin-bottom: var(--spacing-8);
    border: 1px solid var(--accent-transparent);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.card-title {
    font-size: var(--fs-xl);
    margin-bottom: var(--spacing-4);
    color: var(--accent);
    position: relative;
    display: inline-block;
}

.card-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent);
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

/* Terminal */
.terminal-window {
    background-color: #1e1e1e;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: var(--spacing-8) 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid #333;
}

.terminal-header {
    background-color: #333;
    padding: var(--spacing-2) var(--spacing-4);
    display: flex;
    align-items: center;
    border-bottom: 1px solid #444;
}

.terminal-dots {
    display: flex;
    gap: var(--spacing-2);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red {
    background-color: #ff5f56;
}

.terminal-dot.yellow {
    background-color: #ffbd2e;
}

.terminal-dot.green {
    background-color: #27c93f;
}

.terminal-title {
    margin-left: var(--spacing-4);
    font-size: var(--fs-xs);
    color: #aaa;
    font-family: 'JetBrains Mono', monospace;
}

.terminal-body {
    padding: var(--spacing-6);
    font-family: 'JetBrains Mono', monospace;
    color: #f8f8f8;
    line-height: 1.5;
    min-height: 100px;
    max-height: 500px;
    overflow-y: auto;
}

.interactive-terminal .terminal-body {
    display: flex;
    flex-direction: column;
}

.terminal-history {
    flex: 1;
    margin-bottom: var(--spacing-4);
}

.terminal-input-line {
    display: flex;
    align-items: center;
}

.terminal-prompt {
    color: var(--matrix-green);
    margin-right: var(--spacing-2);
    user-select: none;
}

.terminal-command-input {
    background: transparent;
    border: none;
    outline: none;
    color: #f8f8f8;
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-base);
    flex: 1;
    caret-color: var(--accent);
    padding: var(--spacing-1) 0;
}

.terminal-line {
    display: flex;
    margin-bottom: var(--spacing-2);
}

.terminal-output {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-4);
    padding-left: var(--spacing-4);
}

.terminal-command {
    color: #f8f8f8;
}

.terminal-help {
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-4);
    border-radius: var(--radius-sm);
    margin: var(--spacing-4) 0;
    border-left: 3px solid var(--warning);
}

.terminal-help-title {
    color: var(--warning);
    margin-bottom: var(--spacing-2);
    font-weight: bold;
}

.terminal-help-command {
    display: flex;
    margin-bottom: var(--spacing-2);
}

.terminal-help-cmd {
    color: var(--accent);
    width: 100px;
    font-weight: bold;
}

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

/* Specializations */
.specialization-display {
    display: flex;
    flex-direction: column;
    margin-top: var(--spacing-8);
}

.specialization-bubbles {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin-top: var(--spacing-4);
}

.specialization-bubble {
    background-color: var(--accent-transparent);
    border: 1px solid var(--accent);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--fs-sm);
    color: var(--text);
    transition: all var(--transition-medium);
    cursor: default;
}

.specialization-bubble:hover {
    background-color: rgba(100, 255, 218, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(100, 255, 218, 0.15);
}

/* Skills */
.skills-container {
    margin-top: var(--spacing-12);
}

.skills-category {
    margin-bottom: var(--spacing-8);
}

.skills-category-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-6);
    border-bottom: 1px solid var(--accent-transparent);
    padding-bottom: var(--spacing-2);
}

.skills-category-icon {
    font-size: var(--fs-xl);
    margin-right: var(--spacing-3);
    color: var(--accent);
}

.skills-category-title {
    font-size: var(--fs-xl);
    color: var(--text);
    margin-bottom: 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-6);
}

.skill-item {
    background-color: var(--primary-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-4);
    border: 1px solid var(--accent-transparent);
    transition: all var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
    height: 100%;
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--accent);
}

.skill-item:hover::before {
    transform: translateY(0);
}

.skill-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--neon-purple));
    transform: translateY(3px);
    transition: transform var(--transition-medium);
}

.skill-icon {
    font-size: var(--fs-2xl);
    margin-bottom: var(--spacing-4);
    color: var(--accent);
}

.skill-name {
    font-size: var(--fs-base);
    font-weight: 500;
    text-align: center;
    margin-bottom: var(--spacing-2);
}

.skill-level {
    margin-top: auto;
    width: 100%;
    height: 6px;
    background-color: var(--accent-transparent);
    border-radius: 3px;
    overflow: hidden;
}

.skill-level-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--neon-purple));
    width: 0;
    transition: width 1.5s ease-out;
}

/* Progress Section */
.progress-section {
    margin-top: var(--spacing-12);
}

.progress-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-8);
}

.progress-category {
    flex: 1;
    min-width: 300px;
    background-color: var(--primary-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-6);
    border: 1px solid var(--accent-transparent);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.progress-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.progress-category-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-6);
    border-bottom: 1px solid var(--accent-transparent);
    padding-bottom: var(--spacing-2);
}

.progress-category-icon {
    font-size: var(--fs-xl);
    margin-right: var(--spacing-3);
    color: var(--accent);
}

.progress-category-title {
    font-size: var(--fs-lg);
    color: var(--text);
    margin-bottom: 0;
}

.progress-skills {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.progress-skill {
    position: relative;
}

.progress-skill-name {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-2);
}

.progress-skill-title {
    color: var(--text);
    font-size: var(--fs-sm);
}

.progress-skill-percent {
    color: var(--accent);
    font-size: var(--fs-sm);
}

.progress-skill-bar {
    height: 8px;
    background-color: var(--accent-transparent);
    border-radius: 4px;
    overflow: hidden;
}

.progress-skill-value {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--neon-purple));
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease-out;
}

/* Resources */
.resources {
    background-color: var(--primary-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-8);
    margin-top: var(--spacing-8);
    border: 1px solid var(--accent-transparent);
}

.resource-title {
    font-size: var(--fs-xl);
    color: var(--accent);
    margin-bottom: var(--spacing-6);
    position: relative;
    display: inline-block;
}

.resource-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent);
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-6);
}

.resource-item {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-6);
    border-left: 3px solid var(--accent);
    transition: all var(--transition-medium);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.resource-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-left-color: var(--neon-purple);
}

.resource-item-title {
    font-size: var(--fs-lg);
    color: var(--text);
    margin-bottom: var(--spacing-2);
}

.resource-item-description {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    margin-bottom: var(--spacing-4);
    flex-grow: 1;
}

.resource-link {
    color: var(--accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    margin-top: auto;
    transition: color var(--transition-medium);
    font-size: var(--fs-sm);
}

.resource-link:hover {
    color: var(--neon-purple);
}