/* ===========================
   TERMINAL PORTFOLIO - CSS
   Backend Engineer Theme
   =========================== */

/* ===========================
   CSS Variables
   =========================== */
:root {
    /* Terminal Theme Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f1a;
    --bg-tertiary: #1a1a2e;
    --bg-terminal: #0d1117;
    --terminal-green: #00ff88;
    --terminal-cyan: #00ffff;
    --terminal-blue: #2196f3;
    --terminal-purple: #a855f7;
    --terminal-yellow: #ffd700;
    --terminal-red: #ff6b6b;
    --text-primary: #e8e8e8;
    --text-secondary: #a8a8a8;
    --text-muted: #666666;
    --accent-primary: var(--terminal-cyan);
    --accent-secondary: var(--terminal-green);
    --accent-glow: rgba(0, 255, 255, 0.3);
    --border-color: #2a2a3e;
    --shadow-glow: 0 0 20px rgba(0, 255, 255, 0.15);
    --shadow-glow-strong: 0 0 30px rgba(0, 255, 255, 0.3);
    
    /* Typography */
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Container */
    --container-max-width: 1200px;
}

/* Light theme removed - Dark theme only */

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

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

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    background-attachment: fixed;
    overflow-x: hidden;
    position: relative;
}

/* Scanline Effect (CRT) */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 255, 255, 0.02) 0px,
        rgba(0, 255, 255, 0.02) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 9999;
    animation: scanline 8s linear infinite;
}

@keyframes scanline {
    0% { transform: translateY(0); }
    100% { transform: translateY(100%); }
}

/* Subtle grid pattern */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 1;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-mono);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary);
    text-shadow: 0 0 8px var(--accent-glow);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===========================
   Utility Classes
   =========================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 10;
}

.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-title {
    font-size: var(--font-size-4xl);
    text-align: left;
    margin-bottom: var(--spacing-2xl);
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-mono);
    position: relative;
    display: flex;
    align-items: baseline;
    width: 100%;
    justify-content: flex-start;
}

/* Terminal prompt prefix - sempre fixo à esquerda */
.section-title::before {
    content: '$ ';
    color: var(--terminal-green);
    margin-right: 0.5rem;
    display: inline-block;
    flex-shrink: 0;
}

/* Wrapper para o texto que vai ser digitado */
.section-title-text {
    display: inline;
    position: relative;
}

/* Hero text wrappers - allow wrapping if needed */
.hero-name-text,
.hero-subtitle-text {
    display: inline;
    position: relative;
}

/* Hero subtitle text should inherit color */
.hero-subtitle-text {
    color: var(--text-primary);
}

/* Typing cursor that follows the text */
.typing-cursor {
    color: var(--accent-primary);
    animation: blink 1s step-end infinite;
    margin-left: 0.1rem;
    display: inline;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ===========================
   Header & Navigation
   =========================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 255, 255, 0.1);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-mono);
    text-shadow: 0 0 10px var(--accent-glow);
    text-decoration: none;
}

.nav-logo::before {
    content: '> ';
    color: var(--terminal-green);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::before {
    content: '$ ';
    opacity: 0;
    transition: opacity var(--transition-fast);
    color: var(--terminal-green);
}

.nav-menu a:hover::before {
    opacity: 1;
}

.nav-menu a:hover {
    color: var(--accent-primary);
    text-shadow: 0 0 8px var(--accent-glow);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    box-shadow: 0 0 8px var(--accent-glow);
    transition: width var(--transition-base);
}

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.terminal-toggle, .lang-toggle, .repo-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    position: relative;
}

.terminal-toggle:hover, .lang-toggle:hover, .repo-toggle:hover {
    background: var(--bg-secondary);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Terminal Tooltip */
.terminal-tooltip {
    position: absolute;
    bottom: -60px;
    right: 0;
    background: var(--bg-terminal);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-5px);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    z-index: 1001;
}

.terminal-tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 10px;
    width: 10px;
    height: 10px;
    background: var(--bg-terminal);
    border-top: 2px solid var(--accent-primary);
    border-right: 2px solid var(--accent-primary);
    transform: rotate(-45deg);
}

.terminal-toggle:hover .terminal-tooltip {
    opacity: 1;
    transform: translateY(0);
}

/* Language Tooltip */
.lang-tooltip {
    position: absolute;
    bottom: -60px;
    right: 0;
    background: var(--bg-terminal);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-5px);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    z-index: 1001;
}

.lang-tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 10px;
    width: 10px;
    height: 10px;
    background: var(--bg-terminal);
    border-top: 2px solid var(--accent-primary);
    border-right: 2px solid var(--accent-primary);
    transform: rotate(-45deg);
}

.lang-toggle:hover .lang-tooltip {
    opacity: 1;
    transform: translateY(0);
}

/* Repository Tooltip */
.repo-tooltip {
    position: absolute;
    bottom: -60px;
    right: 0;
    background: var(--bg-terminal);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-5px);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    z-index: 1001;
}

.repo-tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 10px;
    width: 10px;
    height: 10px;
    background: var(--bg-terminal);
    border-top: 2px solid var(--accent-primary);
    border-right: 2px solid var(--accent-primary);
    transform: rotate(-45deg);
}

.repo-toggle:hover .repo-tooltip {
    opacity: 1;
    transform: translateY(0);
}

.repo-tooltip span {
    display: block;
    color: var(--terminal-cyan);
}

.repo-tooltip span + span {
    color: var(--terminal-green);
    margin-top: 0.25rem;
}

.lang-tooltip span {
    display: block;
    color: var(--terminal-cyan);
}

.lang-tooltip span + span {
    color: var(--terminal-green);
    margin-top: 0.25rem;
}

.terminal-tooltip span {
    display: block;
    color: var(--terminal-cyan);
    margin-bottom: 0.25rem;
}

.terminal-tooltip kbd {
    display: inline-block;
    padding: 0.2rem 0.4rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--terminal-green);
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    width: auto;
    padding: 0 var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
}

.flag-icon {
    font-size: 1.5rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flag-svg {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    object-fit: cover;
    display: block;
}

.lang-text {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--accent-primary);
    transition: all var(--transition-base);
}

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

/* Animated gradient background */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle,
        rgba(0, 255, 255, 0.1) 0%,
        rgba(168, 85, 247, 0.05) 25%,
        transparent 50%
    );
    animation: rotateGradient 20s linear infinite;
    pointer-events: none;
}

@keyframes rotateGradient {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.hero-photo {
    flex-shrink: 0;
    width: 280px;
    position: relative;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    border: 2px solid var(--accent-primary);
    box-shadow: 
        0 0 20px var(--accent-glow),
        0 8px 32px rgba(0, 0, 0, 0.4);
    transition: all var(--transition-base);
    filter: grayscale(20%);
}

.hero-image:hover {
    transform: scale(1.02);
    filter: grayscale(0%);
    box-shadow: 
        0 0 30px var(--accent-glow),
        0 12px 48px rgba(0, 0, 0, 0.5);
}

/* Terminal window effect */
.hero-photo::before {
    content: '● ● ●';
    position: absolute;
    top: -30px;
    left: 10px;
    color: var(--terminal-red);
    font-size: 0.8rem;
    letter-spacing: 8px;
}

.hero-text {
    flex: 1;
    text-align: left;
}

.hero-greeting {
    display: block;
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    font-family: var(--font-mono);
}

.hero-greeting::before {
    content: '// ';
    color: var(--terminal-green);
}

.hero-name {
    display: block;
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-mono);
}

.hero-name-text {
    background: linear-gradient(135deg, var(--terminal-cyan) 0%, var(--terminal-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textGlow 3s ease-in-out infinite;
}

@keyframes textGlow {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(0, 255, 255, 0.3)); }
    50% { filter: drop-shadow(0 0 20px rgba(168, 85, 247, 0.5)); }
}

.hero-subtitle {
    font-size: var(--font-size-3xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    font-family: var(--font-mono);
    white-space: nowrap;
}

.hero-subtitle::before {
    content: '> ';
    color: var(--terminal-green);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-start;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--font-size-base);
    font-family: var(--font-mono);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid var(--border-color);
}

.btn:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--accent-glow);
}

/* ===========================
   About Section
   =========================== */
.about {
    background: var(--bg-secondary);
    position: relative;
}

.about-content {
    display: grid;
    gap: var(--spacing-xl);
}

.about-text p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-left: 1.5rem;
}

.about-text p::before {
    content: '►';
    position: absolute;
    left: 0;
    color: var(--terminal-green);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xl);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 255, 255, 0.1),
        transparent
    );
    transition: left 0.5s;
}

.stat-card:hover::before {
    left: 100%;
}

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

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--terminal-cyan) 0%, var(--terminal-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    text-align: center;
}

/* ===========================
   Skills Section
   =========================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.skill-category {
    background: var(--bg-tertiary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 255, 255, 0.1),
        transparent
    );
    transition: left 0.5s;
}

.skill-category:hover::before {
    left: 100%;
}

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

.skill-category-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.skill-category-title::before {
    content: '// ';
    color: var(--terminal-green);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-name {
    font-weight: 500;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
}

.skill-level {
    font-size: var(--font-size-sm);
    color: var(--terminal-green);
    font-weight: 600;
    font-family: var(--font-mono);
}

.skill-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--terminal-cyan), var(--terminal-green));
    border-radius: var(--radius-sm);
    width: 0;
    transition: width 1s ease;
    box-shadow: 0 0 10px var(--accent-glow);
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

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

/* ===========================
   Experience Section
   =========================== */
.experience {
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
        180deg,
        transparent,
        var(--accent-primary),
        transparent
    );
    box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-item {
    position: relative;
    padding-left: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.timeline-marker {
    position: absolute;
    left: -6px;
    top: 8px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-primary);
    box-shadow: 
        0 0 0 4px var(--bg-secondary),
        0 0 20px var(--accent-glow);
    animation: pulse 2s ease-in-out infinite;
}

.timeline-content {
    background: var(--bg-tertiary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 255, 255, 0.1),
        transparent
    );
    transition: left 0.5s;
}

.timeline-content:hover::before {
    left: 100%;
}

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

.timeline-date {
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--terminal-green);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
}

.timeline-date::before {
    content: '📅 ';
}

.timeline-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.timeline-company {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.timeline-company::before {
    content: '@ ';
    color: var(--terminal-green);
}

.timeline-description {
    list-style: none;
    padding-left: 0;
    margin-bottom: var(--spacing-md);
}

.timeline-description li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
    position: relative;
    padding-left: 1.5rem;
}

.timeline-description li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--terminal-cyan);
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    color: var(--terminal-cyan);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    font-family: var(--font-mono);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* ===========================
   Projects Section
   =========================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--terminal-cyan), var(--terminal-purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
    z-index: 2;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 255, 255, 0.1),
        transparent
    );
    transition: left 0.5s;
    z-index: 1;
}

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

.project-card:hover::after {
    left: 100%;
}

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

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.project-title {
    font-size: var(--font-size-xl);
    color: var(--accent-primary);
    flex: 1;
    font-family: var(--font-mono);
}

.project-icon {
    color: var(--terminal-cyan);
    flex-shrink: 0;
    filter: drop-shadow(0 0 5px var(--accent-glow));
}

.project-content {
    flex: 1;
    margin-bottom: var(--spacing-lg);
}

.project-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.project-content strong {
    color: var(--terminal-green);
    font-weight: 600;
    font-family: var(--font-mono);
}

.project-results ul {
    list-style: none;
    padding-left: 0;
    margin-top: var(--spacing-xs);
}

.project-results li {
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: 1.5rem;
}

.project-results li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--terminal-green);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: auto;
}

/* ===========================
   Education Section
   =========================== */
.education {
    background: var(--bg-secondary);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.education-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 255, 255, 0.1),
        transparent
    );
    transition: left 0.5s;
}

.education-card:hover::before {
    left: 100%;
}

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

.education-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--terminal-cyan), var(--terminal-purple));
    color: var(--bg-primary);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 0 20px var(--accent-glow);
}

.education-degree {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.education-institution {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.education-date {
    font-size: var(--font-size-sm);
    color: var(--terminal-green);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-mono);
}

.education-highlight {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===========================
   Contact Section
   =========================== */
.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.contact-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    font-family: var(--font-mono);
    transition: all var(--transition-base);
    border: 2px solid var(--border-color);
}

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

.contact-cta {
    padding: var(--spacing-xl);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.contact-cta-text {
    font-size: var(--font-size-lg);
    color: var(--accent-primary);
    font-weight: 600;
    font-family: var(--font-mono);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--bg-tertiary);
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-mono);
}

.footer-built {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
}

.footer-built::before {
    content: '// ';
    color: var(--terminal-green);
}

/* ===========================
   Animations
   =========================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Typing animation */
@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

/* Text scramble effect */
@keyframes scramble {
    0% { opacity: 0.5; }
    50% { opacity: 0.8; }
    100% { opacity: 1; }
}

.scrambling {
    animation: scramble 0.1s ease;
}

/* ===========================
   Easter Egg - Terminal Console
   =========================== */
#terminal-console {
    position: fixed;
    bottom: -400px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 800px;
    height: 350px;
    min-height: 350px;
    max-height: 80vh;
    background: var(--bg-terminal);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: 0 -10px 50px var(--accent-glow);
    z-index: 10000;
    transition: bottom 0.5s ease, height 0.3s ease;
    font-family: var(--font-mono);
    resize: vertical;
    overflow: hidden;
}

#terminal-console.active {
    bottom: 0;
}

#terminal-console.shake {
    animation: terminalShake 0.5s ease;
}

@keyframes terminalShake {
    0%, 100% { transform: translateX(-50%); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(calc(-50% - 5px)); }
    20%, 40%, 60%, 80% { transform: translateX(calc(-50% + 5px)); }
}

.terminal-header {
    background: var(--bg-tertiary);
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: move;
    user-select: none;
}

.terminal-title {
    color: var(--accent-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.terminal-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.terminal-resize,
.terminal-close {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.terminal-resize {
    color: var(--terminal-cyan);
}

.terminal-resize:hover {
    background: var(--bg-secondary);
    color: var(--terminal-green);
}

.terminal-close {
    color: var(--terminal-red);
    font-size: 1.2rem;
    line-height: 1;
}

.terminal-close:hover {
    background: var(--terminal-red);
    color: var(--bg-terminal);
}

.terminal-body {
    padding: 1rem;
    height: calc(100% - 50px);
    overflow-y: auto;
    color: var(--terminal-green);
    font-size: var(--font-size-sm);
}

.terminal-output {
    margin-bottom: 1rem;
}

.terminal-output .error {
    color: var(--terminal-red);
}

.terminal-output .success {
    color: var(--terminal-green);
}

.terminal-output .info {
    color: var(--terminal-cyan);
}

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

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

#terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--terminal-green);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    outline: none;
}

#terminal-console.terminal-streaming .terminal-input-line {
    display: none;
}

#terminal-console.terminal-name-input .terminal-prompt {
    display: none;
}

#terminal-console.terminal-name-input #terminal-input {
    padding-left: 0;
}

#terminal-console.terminal-name-input #terminal-input {
    caret-color: var(--terminal-green);
    animation: input-glow 1.2s ease-in-out infinite;
}

@keyframes input-glow {
    0% { box-shadow: 0 0 0 rgba(0, 255, 136, 0); }
    50% { box-shadow: 0 0 10px rgba(0, 255, 136, 0.35); }
    100% { box-shadow: 0 0 0 rgba(0, 255, 136, 0); }
}

/* ===========================
   Responsive Design
   =========================== */

/* Tablet */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --spacing-3xl: 4rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 65px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(10px);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        box-shadow: 0 10px 30px rgba(0, 255, 255, 0.2);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        border-bottom: 2px solid var(--accent-primary);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-photo {
        width: 200px;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-subtitle {
        white-space: normal;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 7px;
    }
    
    .timeline-item {
        padding-left: var(--spacing-xl);
    }
    
    .timeline-marker {
        left: 0;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    /* Keep section titles left-aligned on tablet */
    .section-title {
        text-align: left;
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 3rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .hero-photo {
        width: 180px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .contact-links {
        flex-direction: column;
    }
    
    .contact-link {
        width: 100%;
        justify-content: center;
    }
    
    /* Keep section titles left-aligned on mobile too */
    .section-title {
        text-align: left;
    }
}

/* Large Desktop */
@media (min-width: 1400px) {
    :root {
        --container-max-width: 1400px;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    body::before {
        animation: none;
    }
}