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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #1a1d3a 0%, #2a2d5a 50%, #1a1d3a 100%);
    color: #ffffff;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 2rem;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid #ffffff;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon::before {
    content: '';
    width: 12px;
    height: 12px;
    background: #ffffff;
    border-radius: 50%;
}

.cta a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.1rem;
    transition: opacity 0.3s ease;
}

.cta a:hover {
    opacity: 0.8;
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.content {
    text-align: center;
    z-index: 10;
    position: relative;
}

.tagline {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.main-title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 300;
    letter-spacing: 0.2em;
    margin-bottom: 3rem;
    line-height: 1.2;
}

/* Countdown Timer */
.countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 300;
}

.time-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.time-value {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    min-width: 2ch;
}

.time-label {
    font-size: clamp(0.75rem, 2vw, 1rem);
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.05em;
}

.time-separator {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin: 0 0.25rem;
    opacity: 0.5;
}

/* Decorative Spheres */
.sphere {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(100, 120, 255, 0.6), rgba(60, 80, 200, 0.4));
    filter: blur(60px);
    animation: float 20s ease-in-out infinite;
}

.sphere-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 15%;
    animation-delay: 0s;
}

.sphere-2 {
    width: 200px;
    height: 200px;
    top: 5%;
    left: 20%;
    animation-delay: 2s;
}

.sphere-3 {
    width: 250px;
    height: 250px;
    top: 15%;
    left: 25%;
    animation-delay: 4s;
}

.sphere-4 {
    width: 180px;
    height: 180px;
    bottom: 20%;
    left: 10%;
    animation-delay: 1s;
}

.sphere-5 {
    width: 220px;
    height: 220px;
    bottom: 25%;
    left: 5%;
    animation-delay: 3s;
}

.sphere-6 {
    width: 400px;
    height: 400px;
    bottom: 10%;
    right: 10%;
    animation-delay: 5s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(20px, -20px) scale(1.05);
    }
    50% {
        transform: translate(-15px, 10px) scale(0.95);
    }
    75% {
        transform: translate(10px, 15px) scale(1.02);
    }
}

/* Footer */
footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 10;
    position: relative;
}

.scroll-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.05em;
}

.scroll-arrow {
    animation: bounce 2s infinite;
}

.scroll-arrow svg {
    color: rgba(255, 255, 255, 0.8);
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo-icon {
        width: 35px;
        height: 35px;
    }

    .cta a {
        font-size: 1rem;
    }

    .tagline {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .countdown {
        gap: 0.5rem;
    }

    .time-separator {
        margin: 0;
    }

    .sphere {
        filter: blur(40px);
    }

    .sphere-1, .sphere-6 {
        width: 200px;
        height: 200px;
    }

    .sphere-2, .sphere-3, .sphere-5 {
        width: 150px;
        height: 150px;
    }

    .sphere-4 {
        width: 120px;
        height: 120px;
    }
}

@media (max-width: 480px) {
    .countdown {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .time-separator:nth-of-type(2) {
        display: none;
    }
}