/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #000;
    background: #fff;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

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

.header h1 {
    font-size: 2rem;
    font-weight: 600;
    color: #000;
    letter-spacing: -0.02em;
}

/* Sections */
section {
    margin-bottom: 3rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 500;
    color: #000;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

p {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

/* About Section */
.founders {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.founder {
    padding-bottom: 0;
}

.about {
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 2rem;
}

.founder .name {
    color: #000;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.founder .bio {
    color: #666;
    font-size: 0.9rem;
    font-weight: 400;
    margin-bottom: 0.25rem;
}

.founder .experience {
    color: #888;
    font-size: 0.85rem;
    font-weight: 400;
    font-style: italic;
}

/* Mission Section */
.mission p {
    font-size: 1rem;
    line-height: 1.7;
}

/* Email Signup */
.email-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.email-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    transition: border-color 0.2s ease;
}

.email-form input:focus {
    outline: none;
    border-color: #000;
}

.email-form input::placeholder {
    color: #999;
}

.email-form button {
    padding: 0.75rem 1.5rem;
    background: #000;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.email-form button:hover:not(:disabled) {
    background: #333;
}

.email-form button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* Message Styles */
.message {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    animation: slideIn 0.3s ease-out;
}

.message.success {
    background: #f0fdf4;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

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

.message.info {
    background: #eff6ff;
    color: #2563eb;
    border: 1px solid #bfdbfe;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading state for button */
#loading {
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 3rem 1.5rem;
    }
    
    .header h1 {
        font-size: 1.75rem;
    }
    
    .email-form {
        flex-direction: column;
    }
    
    .email-form button {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 2rem 1rem;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
}