/* ═══════════════════════════════════════════════════════════════════
   Wind Load Calculator — corporate monochrome design system
   Near-black ink on white · hairline borders · light surfaces
   One signal color (orange ink) for governing results & brand mark only
   Type: Archivo (display) · Inter (body) · IBM Plex Mono (data)
   ═══════════════════════════════════════════════════════════════════ */

:root {
    --ink: #16181D;             /* primary text, dark buttons */
    --ink-soft: #4C5561;        /* secondary text (7.6:1) */
    --ink-faint: #6B7280;       /* captions, fine print (4.6:1) */
    --charcoal: #1A1D23;        /* dark UI surfaces (buttons, badges) */
    --charcoal-hover: #000000;
    --paper: #FFFFFF;
    --field: #F6F7F8;           /* subtle panels, table header fills */
    --line: #E5E7EB;            /* hairline borders */
    --line-strong: #D2D6DB;
    --signal: #C2410C;          /* the one accent — governing/brand (5.2:1) */
    --signal-hover: #9A3412;
    --signal-tint: #FDF1EA;     /* governing row/card tint */
    --focus: #2563EB;           /* focus rings only */
    --warn: #9A6700;
    --warn-bg: #FFF8E6;
    --warn-line: #E8C55F;
    --danger: #B3362C;
    --danger-bg: #FCEEEC;
    --ok: #1E8E3E;

    --font-display: 'Archivo', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;
    --font-data: 'IBM Plex Mono', Consolas, monospace;

    --radius: 8px;
    --shadow-card: 0 1px 2px rgba(22,24,29,0.04), 0 4px 14px rgba(22,24,29,0.04);
}

* { box-sizing: border-box; }

body {
    font-family: var(--font-body);
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.55;
    font-size: 15px;
}

/* ── Login gate ─────────────────────────────────── */
body.locked { overflow: hidden; }
body.locked > :not(.login-gate) { filter: blur(6px); pointer-events: none; user-select: none; }

.login-gate {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--field);
}
body:not(.locked) .login-gate { display: none; }

.login-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 40px 44px 32px;
    width: min(400px, calc(100vw - 32px));
    box-shadow: 0 12px 40px rgba(22,24,29,0.10);
}

.login-eyebrow {
    font-family: var(--font-data);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin: 0 0 10px;
}

.login-card h1 {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 4px;
    color: var(--ink);
}

.login-sub { margin: 0 0 26px; color: var(--ink-soft); font-size: 13.5px; }

.login-card label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
    margin-bottom: 6px;
}

.login-card input[type="password"] {
    width: 100%;
    font-family: var(--font-data);
    font-size: 16px;
    padding: 11px 14px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    letter-spacing: 0.2em;
}
.login-card input[type="password"]:focus {
    outline: none;
    border-color: var(--focus);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.18);
}

.login-btn { width: 100%; margin-top: 16px; }
.login-error { color: var(--danger); font-size: 13px; margin: 10px 0 0; }
.login-note { margin: 22px 0 0; font-size: 11.5px; color: var(--ink-faint); }

/* ── App bar ────────────────────────────────────── */
.appbar {
    background: var(--paper);
    color: var(--ink);
    border-bottom: 1px solid var(--line);
}

.appbar-inner {
    max-width: 1060px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 13px; }

.brand-mark {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 15px;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--signal);
    color: white;
    border-radius: var(--radius);
    letter-spacing: 0.02em;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.brand-sub { font-size: 12px; color: var(--ink-faint); }

.appbar-right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

.project-field { display: flex; flex-direction: column; gap: 2px; }
.project-field span {
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-faint);
}
.project-field input {
    font-family: var(--font-data);
    font-size: 13px;
    background: var(--paper);
    border: 1px solid var(--line-strong);
    color: var(--ink);
    border-radius: 6px;
    padding: 5px 10px;
    width: 220px;
}
.project-field input::placeholder { color: var(--ink-faint); }
.project-field input:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }

.appbar-btn {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    background: var(--paper);
    border: 1px solid var(--line-strong);
    color: var(--ink);
    padding: 6px 14px;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}
.appbar-btn:hover { background: var(--field); border-color: var(--ink-faint); }

.count-pill {
    font-family: var(--font-data);
    font-size: 11px;
    background: var(--charcoal);
    color: white;
    border-radius: 999px;
    padding: 1px 7px;
    margin-left: 4px;
}
.count-pill:empty { display: none; }

.standard-chip {
    font-family: var(--font-data);
    font-size: 12px;
    font-weight: 500;
    background: var(--field);
    border: 1px solid var(--line);
    color: var(--ink-soft);
    padding: 5px 12px;
    border-radius: 999px;
    white-space: nowrap;
}

.page { max-width: 1060px; margin: 26px auto; padding: 0 20px; }

/* ── Cards & sections ───────────────────────────── */
.card {
    background: var(--paper);
    padding: 24px 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    margin-bottom: 18px;
}

.section-title {
    font-family: var(--font-display);
    color: var(--ink);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0 0 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 11px;
}

.step-badge {
    font-family: var(--font-data);
    font-size: 13px;
    font-weight: 600;
    background: var(--charcoal);
    color: white;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ── Inputs ─────────────────────────────────────── */
.input-row { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 14px; }
.input-group { flex: 1; min-width: 200px; }
.input-group.grow-2 { flex: 2; min-width: 260px; }
.input-group-button { flex: 0; min-width: 64px; display: flex; align-items: flex-end; }

.input-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 12.5px;
    color: var(--ink-soft);
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.input-group input[type="number"] { font-family: var(--font-data); font-size: 13.5px; }

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--focus);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

.input-group input.invalid { border-color: var(--danger); }

.inline-hint { font-size: 13px; color: var(--ink-soft); margin: 6px 0 0; }
.muted { color: var(--ink-faint); font-size: 13px; }

/* ── Info buttons ───────────────────────────────── */
.info-btn {
    background: none;
    color: var(--ink-faint);
    border: 1.5px solid var(--line-strong);
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    margin-left: 5px;
    vertical-align: text-top;
    padding: 0;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.info-btn:hover, .info-btn:focus-visible {
    background: var(--charcoal);
    border-color: var(--charcoal);
    color: white;
    outline: 2px solid rgba(37,99,235,0.35);
}

/* ── Buttons ────────────────────────────────────── */
button { font-family: var(--font-body); }

.btn-primary, .btn-secondary {
    border: none;
    padding: 11px 24px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: background-color 0.15s, border-color 0.15s;
}

.btn-primary { background-color: var(--charcoal); color: white; }
.btn-primary:hover:not(:disabled) { background-color: var(--charcoal-hover); }
.btn-primary:focus-visible { outline: 3px solid rgba(37,99,235,0.35); outline-offset: 1px; }
.btn-primary:disabled { background-color: #B4B8BF; cursor: not-allowed; }

.btn-secondary {
    background-color: var(--paper);
    color: var(--ink);
    border: 1px solid var(--line-strong);
    padding: 9px 16px;
    font-size: 14px;
}
.btn-secondary:hover { background-color: var(--field); border-color: var(--ink-faint); }
.btn-secondary:focus-visible { outline: 3px solid rgba(37,99,235,0.35); outline-offset: 1px; }

.calculate-bar { text-align: center; margin: 26px 0; }
.calculate-bar .btn-primary { padding: 14px 42px; font-size: 16px; letter-spacing: 0.01em; }
.calculate-bar .inline-hint { margin-top: 8px; }

/* ── Map & search ───────────────────────────────── */
#map {
    width: 100%;
    height: 380px;
    border-radius: var(--radius);
    margin: 14px 0;
    background-color: var(--field);
    border: 1px solid var(--line-strong);
    z-index: 0;
}

.search-wrap { position: relative; }

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border: 1px solid var(--line-strong);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: 0 12px 28px rgba(22,24,29,0.12);
    list-style: none;
    margin: 0;
    padding: 0;
    z-index: 1100;
    max-height: 260px;
    overflow-y: auto;
}

.search-results li {
    padding: 9px 12px;
    font-size: 13px;
    cursor: pointer;
    border-bottom: 1px solid var(--line);
}
.search-results li:last-child { border-bottom: none; }
.search-results li:hover, .search-results li.active { background: var(--field); }

/* ── Site datum strip ───────────────────────────── */
.site-status {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    background: var(--field);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0;
    align-items: stretch;
    overflow: hidden;
}

.site-status-item {
    padding: 12px 20px;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 3px;
}
.site-status-item:last-child { border-right: none; }

.site-status-label {
    display: block;
    font-family: var(--font-data);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-faint);
    font-weight: 500;
}
.site-status-label .info-btn { border-color: var(--line-strong); color: var(--ink-faint); }
.site-status-label .info-btn:hover { background: var(--charcoal); border-color: var(--charcoal); color: white; }

.site-status-value { font-family: var(--font-data); font-size: 15px; color: var(--ink); }
.site-status-value .muted { color: var(--ink-faint); font-size: 12px; }

.region-badge {
    display: inline-block;
    background: var(--charcoal);
    color: white;
    font-weight: 600;
    border-radius: 6px;
    padding: 1px 10px;
    margin-right: 7px;
    font-family: var(--font-data);
}
.region-badge.cyclonic { background: var(--signal); color: white; }

.site-status select {
    font-family: var(--font-data);
    font-size: 13px;
    padding: 6px 8px;
    border: 1px solid var(--line-strong);
    background: var(--paper);
    color: var(--ink);
    border-radius: 6px;
}
.site-status select:focus { outline: none; border-color: var(--focus); }

/* ── Notices & warnings ─────────────────────────── */
.notice {
    margin-top: 12px;
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 13.5px;
    border: 1px solid var(--warn-line);
    border-left-width: 4px;
    background: var(--warn-bg);
    color: var(--ink);
}
.notice.error { border-color: var(--danger); background: var(--danger-bg); }

.warning-item {
    background: var(--warn-bg);
    border: 1px solid var(--warn-line);
    border-left-width: 4px;
    padding: 9px 14px;
    margin-bottom: 8px;
    font-size: 13.5px;
    border-radius: var(--radius);
}

/* ── Advanced Md card ───────────────────────────── */
.advanced-card summary {
    cursor: pointer;
    color: var(--ink);
    font-weight: 600;
    font-size: 14px;
    font-family: var(--font-display);
}
.advanced-card summary:hover { color: var(--ink-soft); }

.md-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
    gap: 10px;
    margin: 14px 0;
}

.md-grid .md-cell label {
    font-family: var(--font-data);
    font-size: 12px;
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
    color: var(--ink-soft);
}
.md-grid .md-cell input {
    width: 100%;
    font-family: var(--font-data);
    padding: 7px 8px;
    border: 1px solid var(--line-strong);
    border-radius: 6px;
    font-size: 13px;
}
.md-grid .md-cell input:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }

/* ── Envelope toggle ────────────────────────────── */
.check-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: 12px;
}
.check-row input { width: 17px; height: 17px; accent-color: var(--charcoal); }

.surface-case-title {
    font-family: var(--font-display);
    font-size: 14.5px;
    font-weight: 600;
    color: var(--ink);
    margin: 18px 0 6px;
}

/* ── Saved projects ─────────────────────────────── */
.projects-list { display: flex; flex-direction: column; gap: 8px; }

.project-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px 14px;
    background: var(--paper);
}
.project-row:hover { background: var(--field); }

.project-info { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.project-name { font-weight: 600; font-size: 14px; color: var(--ink); }
.project-meta { font-family: var(--font-data); font-size: 11.5px; color: var(--ink-faint); }

.project-actions { display: flex; gap: 8px; flex-shrink: 0; }

.btn-small { padding: 6px 12px !important; font-size: 12.5px !important; width: auto !important; }

.btn-danger {
    background: none;
    border: 1px solid var(--danger);
    color: var(--danger);
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
}
.btn-danger:hover { background: var(--danger-bg); }

.results-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* ── Results ────────────────────────────────────── */
.results-summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.summary-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px 16px;
}

.summary-card .label {
    font-family: var(--font-data);
    font-size: 10.5px;
    color: var(--ink-faint);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.summary-card .value {
    font-family: var(--font-data);
    font-size: 22px;
    font-weight: 600;
    color: var(--ink);
    margin-top: 3px;
}
.summary-card .value small { font-size: 12px; font-weight: 400; color: var(--ink-faint); }
.summary-card.highlight { border-color: var(--signal); background: var(--signal-tint); }
.summary-card.highlight .value { color: var(--signal); }

/* ── Results visual row (wind rose + terrain disclosure) ── */
.results-visual { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.results-visual:empty { display: none; }

.rose-figure {
    margin: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px 12px 6px;
    flex: 0 1 300px;
    min-width: 240px;
    background: var(--paper);
}
.rose-figure figcaption { font-size: 11px; color: var(--ink-faint); text-align: center; padding-bottom: 4px; }

.topo-details {
    flex: 1;
    min-width: 280px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px 14px;
    background: var(--paper);
}
.topo-details summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 13.5px;
    color: var(--ink);
}
.topo-details[open] summary { margin-bottom: 10px; }
.topo-details .result-table td { font-size: 12px; }

/* ── Collapsible surface-pressure sections ── */
.surface-details {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px 14px;
    margin: 10px 0;
    background: var(--paper);
}
.surface-details summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 13.5px;
    color: var(--ink);
}
.surface-details[open] summary { margin-bottom: 8px; }

.result-table-wrap { overflow-x: auto; }

.result-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }

.result-table th, .result-table td {
    border: 1px solid var(--line);
    padding: 8px 10px;
    text-align: center;
    font-family: var(--font-data);
}

.result-table th {
    background: var(--field);
    color: var(--ink);
    font-weight: 600;
    font-size: 12.5px;
}
.result-table tr:nth-child(even) { background: #FAFBFB; }
.result-table tr.governing { background: var(--signal-tint); font-weight: 600; }
.result-table tr.governing td { border-color: #F0CDB8; }
.result-table tr.governing td:first-child::after {
    content: " ◀";
    color: var(--signal);
}

.fine-print { font-size: 12px; color: var(--ink-faint); margin-top: 16px; line-height: 1.5; }

/* ── Calculation progress dialog ────────────────── */
.calc-progress {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 24px 28px;
    z-index: 1000;
    width: min(440px, 92vw);
    box-shadow: 0 24px 80px rgba(0,0,0,0.28);
}

.calc-progress h3 {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0 0 16px;
    color: var(--ink);
}

.calc-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.calc-steps li {
    display: flex;
    align-items: center;
    gap: 11px;
    font-size: 14px;
    color: var(--ink-faint);
}
.calc-steps li[data-state="active"] { color: var(--ink); font-weight: 500; }
.calc-steps li[data-state="done"] { color: var(--ink-soft); }
.calc-steps li[data-state="warn"] { color: var(--ink-soft); }

.step-icon {
    width: 18px;
    height: 18px;
    flex: none;
    border-radius: 50%;
    border: 2px solid var(--line-strong);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    line-height: 1;
}
li[data-state="active"] .step-icon {
    border-color: var(--line);
    border-top-color: var(--charcoal);
    animation: calc-spin 0.8s linear infinite;
}
li[data-state="done"] .step-icon {
    background: var(--charcoal);
    border-color: var(--charcoal);
    color: white;
}
li[data-state="done"] .step-icon::before { content: "✓"; }
li[data-state="warn"] .step-icon {
    background: var(--warn-bg);
    border-color: var(--warn-line);
    color: var(--warn);
}
li[data-state="warn"] .step-icon::before { content: "!"; }
li[data-state="skip"] .step-icon { border-style: dashed; color: var(--ink-faint); }
li[data-state="skip"] .step-icon::before { content: "–"; }

.step-note {
    margin-left: auto;
    font-family: var(--font-data);
    font-size: 11.5px;
    color: var(--ink-faint);
    text-align: right;
    flex-shrink: 0;
}

@keyframes calc-spin { to { transform: rotate(360deg); } }

/* ── Modal / definition panel ───────────────────── */
.overlay { position: fixed; inset: 0; background: rgba(22,24,29,0.45); z-index: 999; }

.definition-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--paper);
    padding: 26px 28px;
    border-radius: 12px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.3);
    z-index: 1000;
    max-width: 640px;
    width: 92%;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid var(--line);
}

.definition-panel h3 {
    font-family: var(--font-display);
    margin-top: 0;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
    padding-bottom: 10px;
    margin-bottom: 15px;
    padding-right: 34px;
    letter-spacing: -0.01em;
}

.definition-panel table { width: 100%; border-collapse: collapse; margin: 15px 0; font-size: 13.5px; }
.definition-panel th, .definition-panel td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.definition-panel th { background-color: var(--field); color: var(--ink); font-weight: 600; }
.definition-panel tr:nth-child(even) { background-color: #FAFBFB; }

.close-button {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--ink-faint);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.close-button:hover, .close-button:focus-visible { background-color: var(--field); color: var(--ink); outline: none; }

/* ── Footer ─────────────────────────────────────── */
.footer {
    max-width: 1060px;
    margin: 34px auto;
    padding: 0 20px 34px;
    font-size: 12px;
    color: var(--ink-faint);
    border-top: 1px solid var(--line);
    padding-top: 18px;
}
.footer a { color: var(--ink-soft); }

/* ── Landing page ───────────────────────────────── */
.landing-hero {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    padding: 72px 20px 60px;
}

.landing-hero-inner { max-width: 1060px; margin: 0 auto; }

.landing-eyebrow {
    font-family: var(--font-data);
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin: 0 0 14px;
}

.landing-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(30px, 5vw, 46px);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.12;
    margin: 0 0 18px;
    color: var(--ink);
}

.landing-lede {
    font-size: 17px;
    line-height: 1.6;
    color: var(--ink-soft);
    max-width: 620px;
    margin: 0 0 26px;
}

.landing-cta { display: inline-block; text-decoration: none; padding: 14px 34px; font-size: 17px; }
.landing-cta-small { display: inline-block; text-decoration: none; padding: 9px 20px !important; font-size: 14px !important; }
.landing-note { font-size: 12.5px; color: var(--ink-faint); margin: 12px 0 0; }

.landing-datum {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    background: var(--field);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    margin-top: 38px;
    overflow: hidden;
    max-width: 720px;
}
.landing-datum > div {
    padding: 12px 22px;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 140px;
}
.landing-datum > div:last-child { border-right: none; }
.ld-label {
    font-family: var(--font-data);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-faint);
}
.ld-value { font-family: var(--font-data); font-size: 15px; color: var(--ink); }
.ld-signal { color: var(--signal); font-weight: 600; }

.landing-main { margin-top: 30px; }

.landing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 18px;
}
@media (max-width: 700px) {
    .landing-grid { grid-template-columns: 1fr; }
}

.landing-card h3, .landing-provenance h3 {
    font-family: var(--font-display);
    color: var(--ink);
    font-size: 16px;
    margin: 0 0 8px;
    letter-spacing: -0.01em;
}
.landing-card p, .landing-provenance p { font-size: 14px; color: var(--ink-soft); margin: 0; line-height: 1.6; }

.landing-provenance { border-left: 3px solid var(--charcoal); }
.landing-disclaimer { margin: 22px 4px; }

/* ── Motion restraint ───────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 768px) {
    .input-group, .input-group.grow-2 { min-width: 100%; }
    .input-row { gap: 10px; }
    #map { height: 300px; }
    .btn-primary, .btn-secondary { width: 100%; }
    .results-actions { flex-direction: column; align-items: stretch; }
    .site-status { flex-direction: column; }
    .site-status-item { border-right: none; border-bottom: 1px solid var(--line); }
    .site-status-item:last-child { border-bottom: none; }
    .project-field input { width: 100%; }
    .appbar-right { width: 100%; }
    /* Touch targets */
    .info-btn { width: 26px; height: 26px; font-size: 13px; }
    /* 16px inputs stop iOS zoom-on-focus (type selector needed to beat the
       desktop input[type="number"] mono rule's specificity) */
    .input-group input, .input-group select, .input-group input[type="number"] { padding: 12px; font-size: 16px; }
    .project-row { flex-direction: column; align-items: stretch; }
    .project-actions { flex-wrap: wrap; }
    .project-actions .btn-small { flex: 1; min-width: 40%; }
    .btn-small { padding: 10px 12px !important; }
    .landing-datum { flex-direction: column; }
    .landing-datum > div { border-right: none; border-bottom: 1px solid var(--line); }
    .landing-datum > div:last-child { border-bottom: none; }
    .landing-cta, .landing-cta-small { width: auto; text-align: center; }
    .close-button { width: 44px; height: 44px; }
}