/* Shared Styles — Simply Home Tools & Pages
   Modern clean design system */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
    --brand: #186232;
    --brand-dark: #0f4422;
    --brand-light: #e8f5e9;
    --brand-subtle: #f0f9f2;
    --text: #1a1a2e;
    --text-secondary: #64748b;
    --bg: #ffffff;
    --bg-alt: #f8fafb;
    --surface: #ffffff;
    --border: #e2e8f0;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
    --shadow-hover: 0 16px 48px rgba(0,0,0,0.12);
    --green-tag: #34c759;
    --orange-tag: #ff9500;
    --red: #dc3545;
    --red-light: #ffeef0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ─── Page Hero ─── */
.page-hero {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
    color: #fff;
    padding: 72px 24px;
    text-align: center;
}
.page-hero h1 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}
.page-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ─── Content Container ─── */
.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 32px 24px;
}
.container-narrow {
    max-width: 720px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* ─── Cards Grid ─── */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: inherit;
    display: block;
}
a.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.card-icon {
    font-size: 2rem;
    margin-bottom: 14px;
}
.card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}
.card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}
.card .coming-soon {
    display: inline-block;
    margin-top: 12px;
    padding: 4px 12px;
    background: var(--bg-alt);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ─── Calculator Layout ─── */
.calc-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: start;
}

/* ─── Calculator Form ─── */
.calc-form {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: var(--shadow);
}
.calc-form h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text);
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text);
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(24,98,50,0.08);
}
.form-group .input-hint {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 4px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Range slider */
.form-group input[type="range"] {
    padding: 0;
    border: none;
    box-shadow: none;
    accent-color: var(--brand);
}
.range-value {
    display: inline-block;
    font-weight: 700;
    color: var(--brand);
    margin-left: 8px;
}

/* ─── Buttons ─── */
.btn-calculate {
    width: 100%;
    padding: 14px 24px;
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.25s;
    margin-top: 8px;
}
.btn-calculate:hover {
    background: var(--brand-dark);
    box-shadow: 0 4px 16px rgba(24,98,50,0.3);
}

.btn-submit {
    width: 100%;
    padding: 14px 24px;
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.25s;
    margin-top: 8px;
}
.btn-submit:hover {
    background: var(--brand-dark);
    box-shadow: 0 4px 16px rgba(24,98,50,0.3);
}
.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ─── Results Panel ─── */
.calc-results {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: var(--shadow);
}
.calc-results h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text);
}
.result-card {
    padding: 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    text-align: center;
}
.result-card.primary {
    background: var(--brand-subtle);
    border: 1.5px solid var(--brand);
}
.result-card.secondary {
    background: var(--bg-alt);
}
.result-card .result-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.result-card .result-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--brand);
}
.result-card .result-value.negative {
    color: var(--red);
}
.result-card .result-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}
.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.results-grid .result-card .result-value {
    font-size: 1.4rem;
}

/* Status badge */
.status-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-top: 8px;
}
.status-badge.pass {
    background: var(--brand-light);
    color: var(--brand);
}
.status-badge.fail {
    background: var(--red-light);
    color: var(--red);
}

/* ─── CTA Section ─── */
.cta-section {
    background: var(--brand-subtle);
    border-radius: var(--radius);
    padding: 36px 32px;
    margin-top: 32px;
    text-align: center;
}
.cta-section h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin-bottom: 8px;
}
.cta-section p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 0.92rem;
}
.cta-section .form-group {
    text-align: left;
}
.cta-section .btn-submit {
    width: 100%;
}

/* ─── Form Messages ─── */
.form-message {
    font-size: 0.88rem;
    margin-top: 8px;
    min-height: 1.4em;
    text-align: center;
}
.form-message.success { color: var(--brand); }
.form-message.error { color: var(--red); }

/* ─── Footer ─── */
.site-footer {
    background: #111827;
    color: #94a3b8;
    text-align: center;
    padding: 40px 24px;
    font-size: 0.85rem;
    line-height: 1.8;
}
.site-footer a {
    color: #94a3b8;
    text-decoration: none;
}
.site-footer a:hover { color: #fff; }
.site-footer .compliance {
    max-width: 700px;
    margin: 12px auto 0;
    font-size: 0.72rem;
    color: #475569;
    line-height: 1.5;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .page-hero { padding: 48px 20px; }
    .page-hero h1 { font-size: 1.8rem; }

    .calc-layout {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .results-grid {
        grid-template-columns: 1fr;
    }
    .card-grid {
        grid-template-columns: 1fr;
        max-width: 440px;
        margin-left: auto;
        margin-right: auto;
    }
}