@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@200;400;600&display=swap');

:root {
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
}

body.light-mode {
    --bg-color: #fcfcfc;
    --text-color: #0a0a0a;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Montserrat', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    letter-spacing: 1px;
    transition: background-color 0.5s ease, color 0.5s ease;
}

.theme-toggle {
    position: absolute;
    top: 30px;
    right: 40px;
    background: transparent;
    border: none;
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.theme-toggle:hover {
    opacity: 1;
}

.container {
    text-align: center;
    max-width: 600px;
    padding: 40px 20px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.brand-name {
    font-size: 3.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 10px;
    margin-bottom: 12px;
    color: var(--text-color);
}

.subtitle {
    font-size: 0.95rem;
    font-weight: 200;
    color: var(--text-color);
    margin-bottom: 60px;
    text-transform: uppercase;
    letter-spacing: 4px;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.time-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
}

.time-block span {
    font-size: 3rem;
    font-weight: 200;
    color: var(--text-color);
}

.time-block label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-color);
    letter-spacing: 3px;
    margin-top: 8px;
}

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

@media (max-width: 480px) {
    .brand-name { font-size: 2.2rem; letter-spacing: 6px; }
    .subtitle { font-size: 0.8rem; letter-spacing: 2px; }
    .countdown { gap: 20px; }
    .time-block span { font-size: 2rem; }
    .time-block { min-width: 50px; }
    .theme-toggle { top: 20px; right: 20px; }
}