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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #eff6ff 0%, #e0e7ff 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 1rem;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 4rem;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.briefcase-icon {
    color: #2563eb;
    margin-right: 0.75rem;
}

.site-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #111827;
}

.site-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    max-width: 32rem;
    margin: 0 auto;
}

/* Main Content */
.main-content {
    max-width: 64rem;
    margin: 0 auto;
}

.card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: none;
}

.card-content {
    padding: 3rem;
    text-align: center;
}

/* Hero Section */
.hero-section {
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    margin-bottom: 2rem;
}

/* Launch Date */
.launch-date {
    background-color: #2563eb;
    color: white;
    border-radius: 0.5rem;
    padding: 2rem;
    margin-bottom: 3rem;
    display: inline-block;
}

.launch-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.calendar-icon {
    margin-right: 0.75rem;
}

.launch-text {
    font-size: 1.5rem;
    font-weight: 600;
}

.launch-date-text {
    font-size: 2.5rem;
    font-weight: bold;
}

/* Features */
.features-section {
    margin-bottom: 3rem;
}

.features-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 1.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.feature {
    text-align: center;
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.feature-icon.blue {
    background-color: #dbeafe;
    color: #2563eb;
}

.feature-icon.green {
    background-color: #dcfce7;
    color: #16a34a;
}

.feature-icon.purple {
    background-color: #f3e8ff;
    color: #9333ea;
}

.feature-title {
    font-weight: 600;
    color: #111827;
    margin-bottom: 0.5rem;
}

.feature-description {
    color: #6b7280;
    font-size: 0.875rem;
}

/* Subscription Section */
.subscription-section {
    background-color: #f9fafb;
    border-radius: 0.5rem;
    padding: 2rem;
}

.subscription-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 1rem;
}

.subscription-subtitle {
    color: #6b7280;
    margin-bottom: 1.5rem;
}

.subscription-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 28rem;
    margin: 0 auto;
}

.email-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.email-input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.email-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.submit-button {
    background-color: #2563eb;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, opacity 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.submit-button:hover:not(:disabled) {
    background-color: #1d4ed8;
}

.submit-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.loading-icon {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.message.success {
    background-color: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.message.error {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.message.hidden {
    display: none;
}

.disclaimer {
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 1rem;
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 4rem;
    color: #6b7280;
}

/* Responsive Design */
@media (min-width: 640px) {
    .subscription-form {
        flex-direction: row;
    }

    .hero-title {
        font-size: 4rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 2rem 1rem;
    }

    .card-content {
        padding: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .launch-date-text {
        font-size: 2rem;
    }

    .site-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.hidden {
    display: none;
}