/**
 * CMR Pro – Public SaaS frontend – Puritan grey theme.
 * Minimal, clean, premium, industrial. No purple/gradients.
 * Primary bg: #f3f4f6 | Card: #ffffff | Text: #1f2937 / #6b7280 | Borders: #e5e7eb
 */
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #1f2937;
    background: #f3f4f6;
}
main {
    flex: 1;
}
.cmr-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Spacing scale */
.cmr-mt-8  { margin-top: 8px; }
.cmr-mt-16 { margin-top: 16px; }
.cmr-mt-24 { margin-top: 24px; }
.cmr-mt-40 { margin-top: 40px; }
.cmr-mb-8  { margin-bottom: 8px; }
.cmr-mb-16 { margin-bottom: 16px; }
.cmr-mb-24 { margin-bottom: 24px; }
.cmr-mb-40 { margin-bottom: 40px; }

/* Buttons – dark grey, no gradients */
.cmr-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    line-height: 1.5;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease, border-color 0.2s ease;
}
.cmr-btn-primary {
    background: #374151;
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(17, 24, 39, 0.2);
}
.cmr-btn-primary:hover {
    background: #111827;
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(17, 24, 39, 0.28);
}
.cmr-btn-secondary {
    background: #fff;
    color: #374151;
    border: 1px solid #e5e7eb;
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}
.cmr-btn-secondary:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.14);
}

/* Cards – premium */
.cmr-card {
    background: #ffffff;
    padding: 18px;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.10);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.2s ease;
}
.cmr-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 55px rgba(0, 0, 0, 0.16);
    border-color: #d1d5db;
}

/* Form – premium inputs */
.cmr-form-group {
    margin-bottom: 16px;
}
.cmr-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #1f2937;
    font-size: 0.875rem;
}
.cmr-form-group input,
.cmr-form-group select {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    font-family: inherit;
    line-height: 1.5;
    color: #1f2937;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.cmr-form-group input:focus,
.cmr-form-group select:focus {
    outline: none;
    border-color: #374151;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05), 0 0 0 3px rgba(55, 65, 81, 0.1);
}
.cmr-form-group input::placeholder {
    color: #6b7280;
}

/* Grid */
.cmr-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

@media (max-width: 1000px) {
    .cmr-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 650px) {
    .cmr-grid-3 {
        grid-template-columns: 1fr;
    }
}

.hero {
    max-width: 1400px;
    margin: auto;
    padding: 40px 24px;
}

@media (max-width: 600px) {
    body { font-size: 15px; }
    .cmr-container { padding: 14px; }
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.2rem; }
    h3 { font-size: 1.05rem; }
    .cmr-btn {
        width: 100%;
        min-height: 42px;
        font-size: 0.92rem;
    }
    .cmr-form-group input,
    .cmr-form-group select {
        padding: 12px;
        font-size: 0.95rem;
    }
}

/* Pricing section – compact */
.pricing {
    margin-top: 20px;
    margin-bottom: 20px;
}

/* Footer */
.cmr-footer {
    margin-top: 30px;
    padding: 20px;
    text-align: center;
    font-size: 14px;
    color: #6b7280;
}
.cmr-footer a {
    color: #374151;
    text-decoration: none;
}
.cmr-footer a:hover {
    text-decoration: underline;
}