:root {
    --bg-color: #fcfcfc;
    --text-color: #1a1a1a;
    --accent-color: #6366f1; /* Indigo */
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --secondary-text: #666666;
    --card-bg: rgba(255, 255, 255, 0.7);
    --border-color: #eaeaea;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #0b0e14;
        --text-color: #f5f5f7;
        --accent-color: #818cf8;
        --accent-gradient: linear-gradient(135deg, #818cf8 0%, #c084fc 100%);
        --secondary-text: #a1a1a6;
        --card-bg: rgba(20, 24, 33, 0.7);
        --border-color: #2d333b;
    }
}

/* Terminal Theme (Easter Egg) */
body.terminal-mode {
    --bg-color: #0d0208;
    --text-color: #00ff41;
    --accent-color: #00ff41;
    --secondary-text: #008f11;
    --card-bg: #000;
    --border-color: #00ff41;
    font-family: var(--font-mono) !important;
}

body.terminal-mode .badge {
    background: transparent !important;
    border: 1px solid var(--accent-color);
    color: var(--accent-color) !important;
    -webkit-text-fill-color: var(--accent-color) !important;
    animation: blink 1s step-end infinite;
}

body.terminal-mode h1 {
    -webkit-text-fill-color: var(--accent-color);
}

body.terminal-mode .terminal-cursor {
    transform: translateY(-2px);
    height: 3.5rem;
    width: 2.2rem;
    opacity: 0.8;
}

body.terminal-mode .tech-tag {
    background: var(--accent-color);
    color: var(--bg-color) !important;
    border: 1px solid var(--accent-color);
}

body.terminal-mode .card:hover .tech-tag {
    background: var(--bg-color);
    color: var(--accent-color) !important;
    border: 1px solid var(--accent-color);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(168, 85, 247, 0.05) 0px, transparent 50%);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    position: relative;
}

header {
    margin-bottom: 5rem;
    position: relative;
}

.header-title-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 0.5rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.05rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.terminal-cursor {
    display: inline-block;
    width: 14px;
    height: 3rem;
    background: var(--accent-color);
    animation: blink 1s step-end infinite;
    flex-shrink: 0;
}

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

.subtitle {
    font-size: 1.25rem;
    color: var(--secondary-text);
    font-weight: 400;
}

section {
    margin-bottom: 4rem;
}

h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    color: var(--secondary-text);
    display: flex;
    align-items: center;
}

h2::before {
    content: "> ";
    margin-right: 0.5rem;
    color: var(--accent-color);
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s, color 0.3s, transform 0.3s;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    contain: content; /* Isolates rendering to prevent Chrome paint bugs */
}

.card:hover {
    transform: translateY(-4px) scale(1.01);
    border-color: var(--accent-color);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.card-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.card-subtitle {
    font-size: 0.95rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1rem;
    font-family: var(--font-mono);
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.5rem;
}

.tech-tag {
    background: var(--border-color);
    color: var(--text-color);
    padding: 0.3rem 0.8rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-mono);
    transition: all 0.2s;
}

.card:hover .tech-tag {
    background: var(--accent-color);
    color: white;
}

.badge {
    background: var(--accent-gradient);
    color: white;
    font-size: 0.7rem;
    padding: 0.3rem 0.7rem;
    border-radius: 99px;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

.card.current {
    border: 2px solid var(--accent-color);
}

#terminal-overlay {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 600px;
    background: #050505;
    color: #00ff41;
    padding: 2rem;
    border-radius: 0px;
    border: 2px solid #00ff41;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.15), 0 20px 50px rgba(0,0,0,0.8);
    font-family: var(--font-mono);
    z-index: 1000;
}

.term-hint {
    font-family: var(--font-mono);
    color: var(--accent-color);
    cursor: help;
    border-bottom: 1px dashed var(--accent-color);
}

footer {
    margin-top: 8rem;
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--secondary-text);
    text-align: center;
}

.social-links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

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

@media (max-width: 600px) {
    h1 { font-size: 2.8rem; }
    .terminal-cursor { height: 2.4rem; }
    .container { padding: 2rem 1.5rem; }
}

/* CSP Compliance Helpers */
.text-white { color: #fff; }
.text-accent { color: #6366f1; }