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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    -webkit-font-smoothing: antialiased;
}

.landing-container {
    width: 100%;
    max-width: 440px;
}

.landing-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
}

h1 {
    font-size: 28px;
    font-weight: 800;
    color: #111827;
    text-align: center;
    margin-bottom: 6px;
    letter-spacing: -0.03em;
}

.subtitle {
    text-align: center;
    color: #6b7280;
    margin-bottom: 32px;
    font-size: 14px;
    font-weight: 500;
}

.form-container.active {
    display: block;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: #374151;
    font-size: 13px;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s ease;
    background: #f9fafb;
    color: #111827;
}

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

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

.btn-primary {
    width: 100%;
    padding: 13px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.btn-primary:hover {
    background: #1d4ed8;
    box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}

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

.btn-secondary {
    width: 100%;
    padding: 13px;
    background: white;
    color: #2563eb;
    border: 1.5px solid #2563eb;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 10px;
}

.btn-secondary:hover {
    background: #eff6ff;
}

.message {
    margin-top: 20px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    display: none;
}

.message.show {
    display: block;
}

.message.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

@media (max-width: 600px) {
    .landing-card {
        padding: 30px 20px;
    }
    
    h1 {
        font-size: 24px;
    }
}