* {
    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, #0f0f1e 0%, #1a1a2e 50%, #16213e 100%);
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 2rem;
}

.content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    width: 100%;
    text-align: center;
    animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.logo-container {
    margin-bottom: 3rem;
}

.logo {
    font-size: 4rem;
    font-weight: 200;
    letter-spacing: 0.3em;
    text-transform: lowercase;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {

    0%,
    100% {
        filter: brightness(1);
    }

    50% {
        filter: brightness(1.3);
    }
}

.main-content {
    margin-bottom: 4rem;
}

.tagline {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    color: #e0e0e0;
}

.description {
    font-size: 1.1rem;
    color: #b0b0b0;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.cta-section {
    margin-top: 3rem;
}

.email-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

#email {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border-radius: 50px;
    outline: none;
    transition: all 0.3s ease;
}

#email::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

#email:focus {
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.submit-btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

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

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-message {
    min-height: 24px;
    font-size: 0.9rem;
    margin-top: 1rem;
}

.form-message.success {
    color: #4ade80;
}

.form-message.error {
    color: #f87171;
}

.footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Background Animation */
.background-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    animation: float 20s infinite ease-in-out;
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.circle-2 {
    width: 600px;
    height: 600px;
    bottom: -200px;
    left: -200px;
    animation-delay: 5s;
}

.circle-3 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 30px) scale(0.9);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo {
        font-size: 2.5rem;
        letter-spacing: 0.2em;
    }

    .tagline {
        font-size: 1.5rem;
    }

    .description {
        font-size: 1rem;
    }

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

    #email,
    .submit-btn {
        width: 100%;
        min-width: unset;
    }

    .circle-1,
    .circle-2,
    .circle-3 {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }

    .logo {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.25rem;
    }
}