/* ===== CSS Variables & Reset ===== */
:root {
    /* Colors - Clean Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-glass: rgba(0, 0, 0, 0.02);
    
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent-primary: #2563eb;
    --accent-secondary: #0891b2;
    --accent-tertiary: #7c3aed;
    --accent-success: #059669;
    --accent-warning: #d97706;
    --accent-error: #dc2626;
    
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #0891b2 50%, #7c3aed 100%);
    --gradient-text: linear-gradient(90deg, #2563eb, #0891b2, #7c3aed, #2563eb);
    --gradient-glow: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.1), transparent 70%);
    
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --section-padding: clamp(4rem, 10vw, 8rem);
    --container-max: 1400px;
    
    /* Animation */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

::selection {
    background: rgba(37, 99, 235, 0.2);
    color: var(--text-primary);
}

/* ===== Custom Cursor (Hidden) ===== */
.cursor,
.cursor-follower {
    display: none;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s var(--ease-out-expo);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

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

.logo-bracket {
    color: var(--accent-primary);
    font-weight: 400;
}

.logo-text {
    background: var(--gradient-text);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 8s linear infinite;
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: all 0.3s var(--ease-out-expo);
}

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

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

.github-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.github-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15), transparent);
    top: -200px;
    left: -100px;
    animation: float 30s ease-in-out infinite;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(8, 145, 178, 0.12), transparent);
    top: 40%;
    right: -150px;
    animation: float 35s ease-in-out infinite reverse;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1), transparent);
    bottom: -100px;
    left: 30%;
    animation: float 25s ease-in-out infinite;
}

.orb-4 {
    display: none;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    margin-bottom: 2rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    animation: fadeInUp 0.6s var(--ease-out-expo) both;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.word {
    display: inline-block;
    animation: fadeInUp 0.6s var(--ease-out-expo) both;
    animation-delay: calc(var(--delay) * 0.1s + 0.2s);
}

.gradient-text {
    background: var(--gradient-text);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 8s linear infinite, fadeInUp 0.8s var(--ease-out-expo) both;
    animation-delay: 0.5s, calc(var(--delay, 3) * 0.1s + 0.2s);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    animation: fadeInUp 0.8s var(--ease-out-expo) both;
    animation-delay: 0.6s;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--ease-out-expo) both;
    animation-delay: 0.7s;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s var(--ease-out-expo);
    cursor: none;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(37, 99, 235, 0.35);
}

.btn-primary svg {
    transition: transform 0.3s ease;
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
    animation: fadeInUp 0.8s var(--ease-out-expo) both;
    animation-delay: 0.9s;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-plus {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    animation: fadeInUp 0.8s var(--ease-out-expo) both, bounce 2s ease-in-out infinite;
    animation-delay: 1.2s, 1.5s;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(12px); }
}

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

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

/* ===== Sections Common ===== */
.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--section-padding) 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.highlight {
    color: var(--accent-primary);
}

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

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content {
    max-width: 560px;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.feature {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.feature:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.feature-content h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.feature-content p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Code Window */
.about-visual {
    display: flex;
    justify-content: center;
}

.code-window {
    width: 100%;
    max-width: 500px;
    background: #1e293b;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.code-window:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

.window-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #0f172a;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.window-title {
    color: #94a3b8;
}

.window-dots {
    display: flex;
    gap: 0.5rem;
}

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

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27ca40; }

.window-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-content {
    padding: 1.5rem;
    overflow-x: auto;
}

.code-content pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.7;
}

.code-content {
    background: #1e293b;
    color: #e2e8f0;
}

.code-keyword { color: #c084fc; }
.code-variable { color: #fbbf24; }
.code-property { color: #f87171; }
.code-string { color: #4ade80; }
.code-number { color: #38bdf8; }
.code-function { color: #38bdf8; }
.code-comment { color: #64748b; font-style: italic; }

/* ===== Timeline Section ===== */
.timeline-section {
    position: relative;
    background: var(--bg-primary);
}

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

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, 
        transparent,
        var(--accent-primary) 10%,
        var(--accent-secondary) 50%,
        var(--accent-tertiary) 90%,
        transparent
    );
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

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

.timeline-item:nth-child(even) .timeline-card {
    margin-left: 3rem;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.marker-dot {
    width: 16px;
    height: 16px;
    background: var(--bg-primary);
    border: 3px solid var(--accent-primary);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.timeline-item:hover .marker-dot {
    background: var(--accent-primary);
    transform: scale(1.3);
}

.timeline-card {
    flex: 1;
    max-width: calc(50% - 3rem);
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: all 0.4s var(--ease-out-expo);
}

.timeline-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.card-year {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-primary);
    margin-bottom: 0.75rem;
}

.card-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    color: white;
}

.timeline-item:nth-child(odd) .card-icon {
    margin-left: auto;
}

.card-icon.fortran { background: #6366f1; }
.card-icon.cobol { background: #0891b2; }
.card-icon.basic { background: #059669; }
.card-icon.c-lang { background: #2563eb; }
.card-icon.cpp { background: #7c3aed; }
.card-icon.python { background: #eab308; color: #1e293b; }
.card-icon.java { background: #dc2626; }
.card-icon.javascript { background: #fbbf24; color: #1e293b; }
.card-icon.typescript { background: #2563eb; }
.card-icon.rust { background: #ea580c; }

.timeline-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.timeline-item:nth-child(odd) .card-tags {
    justify-content: flex-end;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ===== Silicon Valley Section ===== */
.silicon-section {
    background: var(--bg-secondary);
    position: relative;
}

.silicon-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.silicon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.silicon-card {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.silicon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out-expo);
}

.silicon-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

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

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.decade {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-text);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 8s linear infinite;
}

.card-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-color), transparent);
}

.silicon-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.silicon-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Legends Section ===== */
.legends-section {
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.legends-carousel {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    min-height: 400px;
}

.legend-card {
    display: none;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
    align-items: center;
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.5s var(--ease-out-expo);
}

.legend-card.active {
    display: grid;
    opacity: 1;
    transform: translateX(0);
}

.legend-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 700;
    color: white;
    position: relative;
    overflow: hidden;
}

.image-placeholder {
    border: 4px solid var(--bg-tertiary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.image-placeholder.steve { 
    background: linear-gradient(135deg, #374151, #4b5563);
}
.image-placeholder.bill { 
    background: linear-gradient(135deg, #2563eb, #3b82f6); 
}
.image-placeholder.linus { 
    background: linear-gradient(135deg, #d97706, #f59e0b); 
}

.legend-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.legend-title {
    color: var(--accent-primary);
    font-size: 0.95rem;
    font-weight: 500;
}

.legend-quote {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-style: italic;
    margin: 1.5rem 0;
    padding-left: 1rem;
    border-left: 3px solid var(--accent-primary);
}

.legend-achievements {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.achievement {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.875rem;
}

.achievement-icon {
    font-size: 1rem;
}

.carousel-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.carousel-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: scale(1.1);
}

.carousel-btn svg {
    width: 20px;
    height: 20px;
}

.carousel-dots {
    display: flex;
    gap: 0.75rem;
}

.carousel-dots .dot {
    width: 10px;
    height: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dots .dot.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: scale(1.2);
}

.carousel-dots .dot:hover {
    border-color: var(--accent-primary);
}

/* ===== Terminal Section ===== */
.terminal-section {
    background: var(--bg-secondary);
    padding: var(--section-padding) 2rem;
}

.terminal-window {
    max-width: 800px;
    margin: 0 auto;
    background: #1e293b;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: #0f172a;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-dots {
    display: flex;
    gap: 0.5rem;
}

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: 1.5rem;
    min-height: 200px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: #e2e8f0;
}

.terminal-line {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.prompt {
    color: var(--accent-success);
}

.command {
    color: var(--text-primary);
}

.cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.terminal-output {
    margin-top: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.terminal-output .output-line {
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

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

.footer-links {
    display: flex;
    gap: 4rem;
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.heart {
    color: #ef4444;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.coffee {
    display: inline-block;
    animation: shake 0.5s ease-in-out infinite;
}

@keyframes shake {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

.footer-code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    opacity: 0.6;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-visual {
        order: -1;
    }
    
    .code-window {
        transform: none;
        max-width: 100%;
    }
    
    .timeline-line {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 50px;
    }
    
    .timeline-marker {
        left: 20px;
    }
    
    .timeline-card,
    .timeline-item:nth-child(odd) .timeline-card {
        max-width: 100%;
        margin: 1rem 0 0 0;
        text-align: left;
    }
    
    .timeline-item:nth-child(odd) .card-icon,
    .timeline-item:nth-child(odd) .card-tags {
        margin-left: 0;
        justify-content: flex-start;
    }
    
    .legend-card.active {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .legend-quote {
        border-left: none;
        border-top: 3px solid var(--accent-primary);
        padding-left: 0;
        padding-top: 1rem;
    }
    
    .legend-achievements {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 3rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .silicon-grid {
        grid-template-columns: 1fr;
    }
    
    .image-placeholder {
        width: 150px;
        height: 150px;
        font-size: 2rem;
    }
}

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

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

/* ===== Scroll Animation Classes ===== */

/* Base scroll reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--ease-out-expo);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Timeline reveal animation */
.timeline-item {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.7s var(--ease-out-expo);
}

.timeline-item:nth-child(even) {
    transform: translateX(30px);
}

.timeline-item.timeline-revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Timeline marker animation */
.marker-dot {
    transform: scale(0);
    transition: transform 0.5s var(--ease-out-expo) 0.2s;
}

.marker-dot.marker-active {
    transform: scale(1);
}

/* Title animation */
.title-animate {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--ease-out-expo);
}

.title-animate.title-revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Card hover with subtle lift */
.silicon-card,
.timeline-card {
    transition: all 0.4s var(--ease-out-expo);
}

.silicon-card:hover,
.timeline-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Stagger animation for grid items */
.silicon-grid .silicon-card,
.features-grid .feature {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: all 0.6s var(--ease-out-expo);
}

.silicon-grid .silicon-card.revealed,
.features-grid .feature.revealed {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Code window slide in */
.code-window {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s var(--ease-out-expo);
}

.code-window.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Terminal slide up */
.terminal-window {
    opacity: 0;
    transform: translateY(40px) scale(0.98);
    transition: all 0.7s var(--ease-out-expo);
}

.terminal-window.revealed {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Legend card fade */
.legend-card {
    transition: all 0.5s var(--ease-out-expo);
}

/* About text slide in */
.about-text {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.7s var(--ease-out-expo);
}

.about-text.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Section header animation */
.section-header {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--ease-out-expo);
}

.section-header.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Pulse animation for markers */
@keyframes pulse-soft {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
    }
}

.marker-dot.marker-active {
    animation: pulse-soft 2s ease-in-out infinite;
}

/* Stats number pop animation */
.stat-number {
    transition: transform 0.3s var(--ease-out-expo);
}

/* Gradient line animation for timeline */
.timeline-line {
    background: linear-gradient(to bottom, transparent, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary), transparent);
    background-size: 100% 200%;
    animation: gradient-flow 3s ease infinite;
}

@keyframes gradient-flow {
    0%, 100% {
        background-position: 0% 0%;
    }
    50% {
        background-position: 0% 100%;
    }
}

/* Button hover animation enhancement */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}