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

body {
    background: #0a0e17;
    color: #e2e8f0;
    font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    min-height: 100vh;
    overflow: hidden;
}

#tsparticles {
    position: fixed;
    inset: 0;
    z-index: 0;
}

.content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 2rem;
}

h1 {
    font-size: clamp(2.4rem, 6vw, 4.5rem);
    font-weight: 300;
    letter-spacing: 0.08em;
    color: #f1f5f9;
    margin-bottom: 0.6rem;
}

h1 .dot {
    color: #00d4ff;
    font-weight: 300;
}

.tagline {
    font-size: clamp(0.85rem, 1.8vw, 1.1rem);
    color: #475569;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 400;
    margin-bottom: 2rem;
}

.lock-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.info {
    font-size: clamp(0.8rem, 1.4vw, 0.95rem);
    color: #64748b;
    margin-bottom: 3rem;
    letter-spacing: 0.05em;
}

.terminal-line {
    font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;
    font-size: clamp(0.8rem, 1.4vw, 0.95rem);
    color: #64748b;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid #1e293b;
    border-radius: 6px;
    padding: 0.7rem 1.4rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(8px);
}

.prompt {
    color: #00d4ff;
    user-select: none;
}

.cmd {
    color: #94a3b8;
}

.cursor {
    color: #00d4ff;
    animation: blink 1s step-end infinite;
}

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