:root {
    --primary-green: #00ff00;
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --card-bg: #111111;
    --coffee-brown: #8B4513;
    --coffee-light: #D2691E;
    --text-gray: #a0a0a0;
    --text-white: #e0e0e0;
    --terminal-green: #00ff00;
    --shadow: rgba(0, 255, 0, 0.2);
}

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

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--dark-bg);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Binary rain background */
.binary-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.05;
    pointer-events: none;
    background-image: 
        linear-gradient(transparent 50%, var(--dark-bg) 50%),
        linear-gradient(90deg, transparent 50%, var(--dark-bg) 50%);
    background-size: 2px 2px;
    animation: matrix 20s linear infinite;
}

@keyframes matrix {
    0% { background-position: 0 0, 0 0; }
    100% { background-position: 0 100vh, 100vw 0; }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Header & Logo */
header {
    padding: 40px 0;
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.coffee-icon {
    width: 120px;
    height: 120px;
    filter: drop-shadow(0 0 20px rgba(0, 255, 0, 0.3));
}

.logo-text h1 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: -2px;
    text-shadow: 0 0 30px var(--shadow);
}

.zero {
    color: var(--primary-green);
    font-size: 4rem;
    animation: pulse 2s ease-in-out infinite;
}

.one {
    color: var(--primary-green);
    font-size: 4rem;
    animation: pulse 2s ease-in-out infinite 1s;
}

@keyframes pulse {
    0%, 100% { opacity: 1; text-shadow: 0 0 20px var(--primary-green); }
    50% { opacity: 0.7; text-shadow: 0 0 40px var(--primary-green); }
}

.tech {
    color: var(--coffee-light);
}

.tagline {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    color: var(--text-gray);
    margin-top: 10px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 20px;
}

.glitch-wrapper {
    position: relative;
    display: inline-block;
}

.glitch {
    font-size: 3rem;
    font-weight: 700;
    position: relative;
    color: var(--text-white);
    letter-spacing: 3px;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    animation: glitch-1 2.5s infinite;
    color: var(--primary-green);
    z-index: -1;
}

.glitch::after {
    animation: glitch-2 3s infinite;
    color: var(--coffee-light);
    z-index: -2;
}

@keyframes glitch-1 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(2px, -2px); }
    40% { transform: translate(2px, 2px); }
    60% { transform: translate(-2px, -2px); }
    80% { transform: translate(-2px, 2px); }
}

.hero-description {
    font-size: 1.3rem;
    color: var(--text-gray);
    margin-top: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.highlight {
    color: var(--primary-green);
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding: 60px 20px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 255, 0, 0.2);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-green), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.feature-card:hover::before {
    transform: translateX(100%);
}

.feature-card:hover {
    border-color: var(--primary-green);
    box-shadow: 0 10px 40px var(--shadow);
    transform: translateY(-5px);
}

.card-icon {
    font-family: 'JetBrains Mono', monospace;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-white);
}

.feature-card p {
    color: var(--text-gray);
    margin-bottom: 20px;
}

.feature-card code {
    font-family: 'JetBrains Mono', monospace;
    background: rgba(0, 255, 0, 0.1);
    padding: 8px 15px;
    border-radius: 6px;
    color: var(--primary-green);
    font-size: 0.9rem;
    display: inline-block;
}

/* Terminal Section */
.terminal {
    max-width: 800px;
    margin: 60px auto;
    background: #1a1a1a;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 255, 0, 0.2);
}

.terminal-header {
    background: #2a2a2a;
    padding: 12px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.terminal-button.red { background: #ff5f56; }
.terminal-button.yellow { background: #ffbd2e; }
.terminal-button.green { background: #27c93f; }

.terminal-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-left: auto;
}

.terminal-body {
    padding: 30px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    line-height: 1.8;
}

.terminal-body p {
    margin-bottom: 10px;
}

.prompt {
    color: var(--primary-green);
    margin-right: 10px;
}

.output {
    color: var(--text-gray);
    padding-left: 25px;
}

.cursor {
    color: var(--primary-green);
    animation: blink 1s step-end infinite;
}

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

/* CTA Section */
.cta {
    text-align: center;
    padding: 80px 20px;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--text-white);
}

.button-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    font-family: 'JetBrains Mono', monospace;
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: inline-block;
}

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

.btn-primary:hover {
    background: transparent;
    color: var(--primary-green);
    box-shadow: 0 0 30px var(--shadow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-gray);
}

.btn-secondary:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
    box-shadow: 0 0 30px var(--shadow);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid rgba(0, 255, 0, 0.1);
    margin-top: 80px;
}

footer p {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.footer-code {
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary-green);
}

.social-links {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.social-links a {
    color: var(--text-gray);
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-green);
    filter: drop-shadow(0 0 10px var(--primary-green));
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo-text h1 {
        font-size: 2.5rem;
    }
    
    .zero {
        font-size: 3rem;
    }
    
    .glitch {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .cta h2 {
        font-size: 2rem;
    }
    
    .coffee-icon {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 480px) {
    .logo {
        flex-direction: column;
        gap: 10px;
    }
    
    .logo-text h1 {
        font-size: 2rem;
    }
    
    .zero {
        font-size: 2.5rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}