* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f7fb;
    color: #1f2937;
}

.hero {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: #fff;
    padding: 80px 0;
    text-align: left;
}

.hero h1 {
    font-size: 2.75rem;
    margin: 0 0 16px;
    font-weight: 700;
}

.hero p {
    font-size: 1.15rem;
    max-width: 720px;
    margin: 0 auto 32px;
    opacity: 0.92;
    line-height: 1.6;
}

.section {
    padding: 64px 0;
}

.section--alt {
    background: #ffffff;
}

.section-title {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 32px;
}

.container--sm {
    max-width: 760px;
}

.messages {
    margin-bottom: 20px;
}

.message {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 8px;
}

.message--success {
    background: #dcfce7;
    color: #166534;
}

.message--error {
    background: #fee2e2;
    color: #991b1b;
}

.form-hint {
    color: #6b7280;
    margin: 0 0 18px;
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.95rem;
}

.form-field span {
    font-weight: 600;
    color: #374151;
}

.form-field input,
.form-field textarea,
.form-field select {
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    font-size: 1rem;
    background: #fff;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.button--primary {
    background: #2563eb;
    color: #fff;
    padding: 12px 20px;
    border-radius: 10px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    align-self: flex-start;
}

.button--primary:hover {
    background: #1d4ed8;
}

.feature {
    text-align: center;
    padding: 20px 12px;
}

.feature strong {
    display: block;
    margin-bottom: 6px;
    font-size: 1.05rem;
}

.feature span {
    color: #6b7280;
    line-height: 1.5;
}