/* NLE - The Bird System — Unified Theme
   Single source of truth for typography, colors, spacing and component primitives.
   Loaded via: <link rel="stylesheet" href="/css/nle-theme.css">
   Variables can be overridden per-page; component classes are opt-in.
*/

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@500;600;700;800&family=Cormorant+Garamond:wght@400;500;600;700&family=DM+Sans:wght@400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

:root {
    /* Brand colors */
    --gx-primary: #cd2326;
    --gx-primary-hover: #e04a4d;
    --gx-primary-soft: #fbe8e8;
    --gx-accent: #c0272b;
    --gx-editorial: #2e6b5c;

    /* Surfaces */
    --gx-bg: #fbf9f9;
    --gx-card: #ffffff;
    --gx-card-alt: #f7f5f5;

    /* Text */
    --gx-text: #2d2d2d;
    --gx-heading: #050608;
    --gx-muted: #625d54;
    --gx-subtle: #625c52;

    /* Borders */
    --gx-border: #d9d1c3;
    --gx-border-soft: #e5e0d8;

    /* Semantic */
    --gx-positive: #2e6b5c;
    --gx-negative: #9a1a1d;

    /* Typography */
    --gx-display: 'Syne', system-ui, sans-serif;
    --gx-serif: 'Cormorant Garamond', Georgia, serif;
    --gx-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
    --gx-mono: 'DM Mono', 'SF Mono', Menlo, monospace;

    /* Radius / shadow */
    --gx-radius: 8px;
    --gx-radius-sm: 4px;
    --gx-shadow-sm: 0 1px 3px rgba(45, 36, 22, 0.06);
    --gx-shadow: 0 4px 12px rgba(45, 36, 22, 0.08);
}

/* Base */
.gx body, body.gx {
    font-family: var(--gx-sans);
    background: var(--gx-bg);
    color: var(--gx-text);
    line-height: 1.6;
    margin: 0;
}
.gx h1, .gx h2, .gx h3, .gx h4 { font-family: var(--gx-display); color: var(--gx-heading); letter-spacing: -0.01em; }
.gx h1 { font-size: 32px; font-weight: 700; }
.gx h2 { font-size: 24px; font-weight: 600; }
.gx h3 { font-size: 18px; font-weight: 600; }
.gx p, .gx li { font-family: var(--gx-sans); }
.gx .gx-prose { font-family: var(--gx-serif); font-size: 17px; line-height: 1.75; color: var(--gx-text); }
.gx .gx-prose p { font-family: var(--gx-serif); margin-bottom: 14px; text-align: justify; }
.gx a { color: var(--gx-primary); text-decoration: none; }
.gx a:hover { color: var(--gx-primary-hover); }

/* Container */
.gx-container { max-width: 1100px; margin: 0 auto; padding: 32px 20px; }
.gx-container--narrow { max-width: 800px; }

/* Top nav strip — shared header pattern */
.gx-topnav {
    background: var(--gx-card);
    border-bottom: 1px solid var(--gx-border-soft);
    padding: 12px 32px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    font-family: var(--gx-sans);
    font-size: 13px;
}
.gx-topnav a { font-weight: 600; letter-spacing: 0.2px; }
.gx-topnav a.gx-back { color: var(--gx-primary); }
.gx-topnav a.gx-link { color: var(--gx-muted); }
.gx-topnav a.gx-link:hover { color: var(--gx-primary); }
.gx-topnav .gx-sep { color: var(--gx-subtle); }

/* Page title block */
.gx-title { text-align: center; margin-bottom: 12px; font-family: var(--gx-display); }
.gx-subtitle { text-align: center; color: var(--gx-muted); font-family: var(--gx-serif); font-size: 17px; font-style: italic; max-width: 760px; margin: 0 auto 28px; }

/* Editorial card (the prose intro found on hybrid pages) */
.gx-editorial {
    background: var(--gx-card);
    border: 1px solid var(--gx-border-soft);
    border-left: 4px solid var(--gx-primary);
    border-radius: var(--gx-radius);
    padding: 32px 36px;
    margin-bottom: 26px;
    box-shadow: var(--gx-shadow-sm);
}
.gx-editorial p { font-family: var(--gx-serif); font-size: 17px; line-height: 1.75; margin-bottom: 14px; color: var(--gx-text); text-align: justify; }
.gx-editorial p:last-child { margin-bottom: 0; }
.gx-editorial .gx-highlight { background: var(--gx-primary-soft); color: var(--gx-primary); padding: 0 4px; font-weight: 600; }

/* Controls panel */
.gx-controls {
    background: var(--gx-card);
    border: 1px solid var(--gx-border-soft);
    border-radius: var(--gx-radius);
    padding: 26px;
    margin-bottom: 22px;
    box-shadow: var(--gx-shadow-sm);
}
.gx-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.gx-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
.gx-grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 18px; }
.gx-input-block { display: flex; flex-direction: column; }
.gx label, .gx-input-block label {
    font-family: var(--gx-sans);
    font-weight: 600;
    font-size: 12px;
    color: var(--gx-heading);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 6px;
}
.gx input[type="number"], .gx input[type="text"], .gx select {
    padding: 10px 12px;
    border: 1px solid var(--gx-border);
    border-radius: var(--gx-radius-sm);
    font-family: var(--gx-sans);
    font-size: 14px;
    color: var(--gx-text);
    background: var(--gx-card);
}
.gx input:focus, .gx select:focus {
    outline: none;
    border-color: var(--gx-primary);
    box-shadow: 0 0 0 3px rgba(212, 80, 10, 0.12);
}
.gx input[type="range"] {
    width: 100%; height: 4px;
    border-radius: 2px;
    background: var(--gx-border);
    outline: none;
    -webkit-appearance: none;
    margin-top: 8px;
}
.gx input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--gx-primary);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(45, 36, 22, 0.2);
}
.gx input[type="range"]::-moz-range-thumb {
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--gx-primary);
    cursor: pointer;
    border: none;
}
.gx .gx-help { font-size: 12px; color: var(--gx-muted); margin-top: 4px; font-family: var(--gx-sans); }
.gx .gx-slider-value { text-align: center; font-size: 13px; color: var(--gx-primary); font-weight: 600; margin-top: 4px; font-family: var(--gx-mono); }

/* Result cards */
.gx-results { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 22px; }
.gx-result-card {
    background: var(--gx-card);
    padding: 20px;
    border-radius: var(--gx-radius);
    border-top: 3px solid var(--gx-primary);
    box-shadow: var(--gx-shadow-sm);
}
.gx-result-card h5 {
    font-family: var(--gx-sans);
    font-size: 11px;
    color: var(--gx-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 10px 0;
    font-weight: 600;
}
.gx-result-card .gx-value {
    font-family: var(--gx-mono);
    font-size: 26px;
    font-weight: 600;
    color: var(--gx-primary);
    margin-bottom: 4px;
    line-height: 1.1;
}
.gx-result-card .gx-value.gx-positive { color: var(--gx-positive); }
.gx-result-card .gx-value.gx-negative { color: var(--gx-negative); }
.gx-result-card .gx-note { font-size: 12px; color: var(--gx-muted); line-height: 1.5; font-family: var(--gx-sans); }

/* Chart panel */
.gx-panel {
    background: var(--gx-card);
    border: 1px solid var(--gx-border-soft);
    border-radius: var(--gx-radius);
    padding: 24px;
    margin-bottom: 22px;
    box-shadow: var(--gx-shadow-sm);
}
.gx-panel h3 { font-family: var(--gx-display); font-size: 16px; color: var(--gx-heading); margin: 0 0 16px 0; font-weight: 600; }

/* Cross-link footer */
.gx-crosslinks { background: var(--gx-card); border: 1px solid var(--gx-border-soft); border-radius: var(--gx-radius); padding: 26px 28px; margin-top: 24px; box-shadow: var(--gx-shadow-sm); }
.gx-crosslinks h3 { font-family: var(--gx-display); font-size: 15px; margin: 0 0 14px 0; }
.gx-crosslinks .gx-link-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.gx-crosslinks a {
    display: block; text-decoration: none;
    border: 1px solid var(--gx-primary-soft);
    border-left: 4px solid var(--gx-primary);
    border-radius: var(--gx-radius-sm);
    padding: 14px 18px;
    background: var(--gx-card-alt);
    color: var(--gx-text);
    transition: transform 0.15s, box-shadow 0.15s;
}
.gx-crosslinks a:hover { transform: translateY(-2px); box-shadow: var(--gx-shadow); }
.gx-crosslinks a .gx-lbl { font-family: var(--gx-sans); font-size: 10px; font-weight: 700; color: var(--gx-primary); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 4px; }
.gx-crosslinks a .gx-ttl { font-family: var(--gx-display); font-size: 15px; font-weight: 600; color: var(--gx-heading); margin-bottom: 2px; }
.gx-crosslinks a .gx-desc { font-family: var(--gx-sans); font-size: 12.5px; color: var(--gx-muted); line-height: 1.45; }

/* Tables (used in calculators)
   Convention: first column = label (Year, Period, Scenario) — left-aligned.
   All other columns = numeric — right-aligned with tabular-nums for digit alignment.
   Both header and cell follow the same alignment, so column header and value line up vertically.
   text-align uses !important to defeat per-page <style> blocks that came in with the original
   30-calc suite — those have varied alignments that need to be unified site-wide. */
.gx table { width: 100%; border-collapse: collapse; font-family: var(--gx-sans); font-size: 13px; }
.gx table th, .gx table thead th {
    background: var(--gx-card-alt) !important;
    color: var(--gx-heading) !important;
    font-weight: 600;
    padding: 10px 12px;
    text-align: right !important;
    border-bottom: 2px solid var(--gx-border);
    font-family: var(--gx-sans) !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 11.5px;
    white-space: nowrap;
}
.gx table th:first-child, .gx table thead th:first-child { text-align: left !important; }
.gx table td, .gx table tbody td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--gx-border-soft);
    color: var(--gx-text);
    font-family: var(--gx-mono) !important;
    text-align: right !important;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.gx table td:first-child, .gx table tbody td:first-child {
    text-align: left !important;
    font-family: var(--gx-sans) !important;
    font-weight: 600;
    color: var(--gx-primary);
}
.gx table tbody tr:nth-child(even) td { background: rgba(217, 209, 195, 0.10); }
.gx table tr:hover td { background: var(--gx-card-alt); }
/* Opt-out: pages that need a left-aligned text-table can add class="gx-table-text" to <table>
   to drop the right-alignment defaults. */
.gx table.gx-table-text th, .gx table.gx-table-text td { text-align: left !important; font-family: var(--gx-sans) !important; }
.gx table.gx-table-text td { font-variant-numeric: normal; }

/* Buttons */
.gx-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--gx-primary); color: white !important; padding: 10px 18px; border-radius: var(--gx-radius-sm); text-decoration: none; font-family: var(--gx-sans); font-size: 13px; font-weight: 600; border: none; cursor: pointer; }
.gx-btn:hover { background: var(--gx-primary-hover); color: white !important; }

/* Responsive */
@media (max-width: 900px) {
    .gx-grid-2, .gx-grid-3, .gx-grid-4 { grid-template-columns: 1fr; }
    .gx-crosslinks .gx-link-grid { grid-template-columns: 1fr; }
    .gx-editorial { padding: 24px; }
    .gx-container { padding: 20px 14px; }
}