@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    height: 100vh;
    overflow: hidden;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

/* Animated Gradient */
.gradient-bg {
    position: fixed;
    width: 200%;
    height: 200%;
    background: linear-gradient(-45deg, #0f2027, #203a43, #2c5364, #1c1c3c);
    background-size: 400% 400%;
    animation: gradientMove 18s ease infinite;
    z-index: -4;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Grid Overlay */
.grid {
    position: fixed;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -3;
}

/* Floating Icons */
.floating-icons {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

.floating-icons div {
    position: absolute;
    font-size: 2rem;
    opacity: 0.07;
    animation: float 20s infinite ease-in-out;
}

.floating-icons div:nth-child(1){top:10%;left:20%;}
.floating-icons div:nth-child(2){top:70%;left:80%;}
.floating-icons div:nth-child(3){top:50%;left:10%;}
.floating-icons div:nth-child(4){top:80%;left:30%;}
.floating-icons div:nth-child(5){top:20%;left:70%;}

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

/* Main Container */
.container {
    max-width: 900px;
    padding: 20px;
    animation: fadeUp 1.5s ease;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px);}
    to { opacity: 1; transform: translateY(0);}
}

.logo {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: 2px;
}

.headline {
    margin-top: 15px;
    font-size: clamp(1.3rem, 4vw, 1.8rem);
    background: linear-gradient(90deg, #ffffff, #00c6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    margin-top: 15px;
    opacity: 0.8;
}

.countdown {
    margin-top: 50px;
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.card {
    min-width: 120px;
    padding: 25px;
    border-radius: 18px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: 0.4s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 198, 255, 0.3);
}

.card h3 {
    font-size: 2.2rem;
}

.card span {
    opacity: 0.7;
    font-size: 0.9rem;
}

footer {
    position: fixed;
    bottom: 20px;
    width: 100%;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Particle Canvas */
#particles {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
}

@media (max-width: 600px) {
    body {
        overflow: auto;
        padding: 50px 0;
    }
    .card {
        min-width: 90px;
        padding: 18px;
    }
}