@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=VT323&display=swap');

:root {
    --bg: #f5f5f5;
    --fg: #1a1a1a;
    --accent: #2563eb;
    --link-color: #000;
    --muted: #666;
    --border: #d0d0d0;
    --btn-hover-bg: rgba(37, 99, 235, 0.08);
}

[data-theme="dark"] {
    --bg: #0a0a0a;
    --fg: #e0e0e0;
    --accent: #00ff00;
    --link-color: #fff;
    --muted: #888;
    --border: #333;
    --btn-hover-bg: rgba(0, 255, 0, 0.1);
}

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

body {
    background: var(--bg);
    color: var(--fg);
    font-family: 'JetBrains Mono', monospace;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    transition: background 0.3s, color 0.3s;
}

.container {
    width: 100%;
    max-width: 500px;
}

header {
    text-align: left;
    margin-bottom: 40px; 
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -1.5px;
    margin-bottom: 4px;
    cursor: pointer;
    transition: letter-spacing 0.3s ease;
    display: inline-block;
}

h1:hover {
    letter-spacing: 2px;
}

.tagline {
    color: var(--muted);
    font-size: 1rem;
    display: block;
}

.blink {
    animation: blink 1.2s infinite;
}

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

section, .contact-wrapper {
    text-align: left;
    margin-bottom: 36px;
    width: 100%;
}

.section-label {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.fingerprint {
    font-family: 'VT323', monospace;
    font-size: 2.4rem; 
    font-weight: 400; 
    line-height: 1.1;
    padding: 16px 12px;
    border: 1px solid var(--border);
    background: var(--bg);
    margin-bottom: 16px;
    text-align: center;
    letter-spacing: 1px;
    transition: border-color 0.2s ease;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.fingerprint:hover {
    border-color: var(--accent);
}

.actions, .services {
    display: flex;
    gap: 12px;
    width: 100%;
}

.btn, .service-link {
    background: none;
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 12px 16px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex: 1;
}

.btn:hover, .service-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--btn-hover-bg);
}

.contact-link {
    color: var(--link-color);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    padding: 6px 12px;
    margin-left: -12px;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: inline-block;
}

.contact-link:hover {
    color: var(--accent);
    background: var(--btn-hover-bg);
}

footer {
    width: 100%;
    max-width: 600px;
    margin-top: 40px;
    padding-top: 24px;
    position: relative;
    color: var(--muted);
    font-size: 0.85rem;
    text-align: center;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border) 50%, transparent);
}

.theme-toggle {
    position: fixed;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.3rem;
    cursor: pointer;
    z-index: 100;
}

@media (max-width: 600px) {
    h1 { font-size: 2.5rem; }
    .fingerprint { font-size: 1.6rem; padding: 12px; }
    .actions, .services { flex-direction: column; gap: 10px; }
    .btn, .service-link { width: 100%; }
}