:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --accent-color: #38bdf8;
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Background subtle animation */
.background-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.1) 0%, rgba(15, 23, 42, 0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    animation: pulse 10s infinite alternate;
}

.container {
    text-align: center;
    padding: 2rem;
    z-index: 1;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

h1 {
    font-size: 5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tagline {
    font-size: 1.5rem;
    color: #94a3b8;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}

/* Creative line animation under tagline */
.tagline::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -10px;
    left: 50%;
    background-color: var(--accent-color);
    transition: width 0.5s ease, left 0.5s ease;
    animation: expandLine 1s 1.5s forwards ease-out;
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.5; }
    100% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

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

@keyframes expandLine {
    to { width: 60px; left: calc(50% - 30px); }
}

@media (max-width: 768px) {
    h1 { font-size: 3rem; }
    .tagline { font-size: 1rem; }
}