* {
    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, #a8d5f7 0%, #c7e3f7 50%, #e3f2fd 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1e3a5f;
    position: relative;
    overflow: hidden;
}

body::before,
body::after {
    content: '';
    position: fixed;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.3) 40%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

body::before {
    width: 600px;
    height: 200px;
    top: 15%;
    left: -300px;
    animation: float-cloud-1 50s linear infinite;
}

body::after {
    width: 700px;
    height: 250px;
    top: 65%;
    right: -350px;
    animation: float-cloud-2 70s linear infinite;
}

@keyframes float-cloud-1 {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(100vw + 600px));
    }
}

@keyframes float-cloud-2 {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-100vw - 700px));
    }
}

.container {
    text-align: center;
    padding: 2rem;
    max-width: 600px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.container::before,
.container::after {
    content: '';
    position: fixed;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.25) 40%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.container::before {
    width: 550px;
    height: 180px;
    top: 35%;
    left: -275px;
    animation: float-cloud-3 60s linear infinite;
    animation-delay: -15s;
}

.container::after {
    width: 650px;
    height: 220px;
    top: 55%;
    right: -325px;
    animation: float-cloud-4 80s linear infinite;
    animation-delay: -30s;
}

@keyframes float-cloud-3 {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(100vw + 550px));
    }
}

@keyframes float-cloud-4 {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-100vw - 650px));
    }
}

.logo {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-image {
    max-width: 350px;
    width: 100%;
    height: auto;
    margin-bottom: 2rem;
    filter: drop-shadow(0 4px 12px rgba(255, 107, 53, 0.2));
    transition: transform 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.05);
}

.tagline {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    color: #4a90e2;
    opacity: 0.9;
}

.coming-soon {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 3rem;
    color: #2c5f8d;
    opacity: 0.85;
}

.signup-form {
    margin: 3rem 0;
}

form {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.email-input {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid #b3d9ff;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.8);
    color: #1e3a5f;
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.1);
}

.email-input::placeholder {
    color: rgba(74, 144, 226, 0.5);
}

.email-input:focus {
    outline: none;
    border-color: #ff6b35;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.2);
}

.submit-btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.4);
    background: linear-gradient(135deg, #ff7d4d 0%, #ffa05a 100%);
}

.submit-btn:active {
    transform: translateY(0);
}

.success-message {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(255, 140, 66, 0.15) 0%, rgba(255, 107, 53, 0.1) 100%);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 8px;
    font-size: 1rem;
    color: #d35400;
}

.error-message {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.3);
    border-radius: 8px;
    font-size: 1rem;
    color: #c0392b;
}

footer {
    margin-top: 4rem;
    opacity: 0.6;
    font-size: 0.9rem;
    color: #5a7fa5;
}

@media (max-width: 640px) {
    .logo {
        font-size: 2.5rem;
    }

    .logo-image {
        max-width: 200px;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .coming-soon {
        font-size: 1.5rem;
    }

    form {
        flex-direction: column;
        align-items: stretch;
    }

    .email-input,
    .submit-btn {
        max-width: 100%;
    }
}