/* Aestus Anvil — Design System
   Background: #1C1D21 (Charcoal)
   Accent interactive: #FF4F12 (Accessible Molten)
   Accent display: #F73819 (Molten) — headers only
   Text: #F1F0F0 (Concrete)
   Display: Barlow Condensed
   Body: DM Sans
   Data: DM Mono
   Border radius: 2px inputs, 4px cards, 6px buttons
*/

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

:root {
  --bg:         #1C1D21;
  --bg-card:    #22232A;
  --bg-input:   #2A2B32;
  --border:     #333440;
  --text:       #F1F0F0;
  --muted:      #7A7B85;
  --accent:     #FF4F12;
  --accent-display: #F73819;
  --green:      #5adb7a;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:  'DM Sans', sans-serif;
  --font-mono:  'DM Mono', monospace;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ──────────────────────────────────────────────────────────────── */

.site-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 40px;
  border-bottom: 1px solid var(--border);
}

.site-logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo-img {
  height: 32px;
  width: auto;
  display: block;
}

.wordmark-sub {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ── Main ────────────────────────────────────────────────────────────────── */

.main-content {
  flex: 1;
  max-width: 780px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 24px;
}

/* ── Hero ────────────────────────────────────────────────────────────────── */

.hero { margin-bottom: 32px; }

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 42px;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 10px;
}

.hero-sub {
  color: var(--muted);
  font-size: 16px;
  max-width: 540px;
}

/* ── Cards ───────────────────────────────────────────────────────────────── */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 28px;
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── Form ────────────────────────────────────────────────────────────────── */

.quote-form { display: flex; flex-direction: column; gap: 20px; }

.form-row { display: flex; flex-direction: column; gap: 6px; }

.form-row-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: var(--font-mono);
}

input[type="text"],
input[type="email"],
input[type="number"],
select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s;
}

input:focus, select:focus {
  border-color: var(--accent);
}

select option { background: var(--bg-input); }

.field-hint {
  font-size: 12px;
  color: var(--muted);
}

/* File drop */
.file-drop {
  position: relative;
  background: var(--bg-input);
  border: 1px dashed var(--border);
  border-radius: 2px;
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s;
}

.file-drop:hover { border-color: var(--accent); }

.file-drop input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  border: none;
  padding: 0;
}

.file-drop-label { color: var(--muted); font-size: 14px; }
.link-text { color: var(--accent); }

.file-drop-name {
  display: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 28px;
  cursor: pointer;
  align-self: flex-start;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s;
}

.btn-primary:hover { background: #e5440f; }

.btn-secondary {
  color: var(--accent);
  border: 1px solid var(--accent);
  background: transparent;
  border-radius: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 10px 22px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s, color 0.15s;
}

.btn-secondary:hover { background: var(--accent); color: #fff; }

/* ── Error ───────────────────────────────────────────────────────────────── */

.error-list { margin-bottom: 20px; }
.error { color: #ff6b6b; font-size: 14px; padding: 4px 0; }

/* ── Trust row ───────────────────────────────────────────────────────────── */

.trust-row {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 8px;
  padding: 0 4px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.trust-icon { color: var(--accent); font-size: 10px; }

/* ── Quote result ─────────────────────────────────────────────────────────── */

.quote-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.quote-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  color: var(--text);
  margin-bottom: 4px;
}

.quote-meta { color: var(--muted); font-family: var(--font-mono); font-size: 13px; }

.quote-uuid-box {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

/* BOM table */
.bom-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.bom-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: left;
  padding: 0 12px 12px;
  border-bottom: 1px solid var(--border);
}

.bom-table th.num-col,
.bom-table td.num-col {
  text-align: right;
}

.bom-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 14px;
}

.bom-table tr:last-child td { border-bottom: none; }

.total-row td {
  font-size: 16px;
  padding-top: 16px;
}

.savings-line {
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}

/* Detail grid */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.detail-item { display: flex; flex-direction: column; gap: 4px; }
.detail-label { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-family: var(--font-mono); }
.detail-value { font-family: var(--font-mono); font-size: 14px; }

/* DFM flags */
.dfm-flags { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.dfm-flag-item {
  background: #2a1a10;
  border: 1px solid #6a3520;
  border-radius: 2px;
  padding: 10px 14px;
  font-size: 13px;
}

/* LOI */
.loi-card { border-top: 2px solid var(--accent); }

.loi-form {
  display: flex;
  gap: 12px;
  margin: 16px 0 8px;
  align-items: flex-end;
}

.loi-name-input {
  flex: 1;
}

.loi-signed {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.loi-check {
  font-size: 24px;
  color: var(--green);
  flex-shrink: 0;
}

/* Centered card (lane2, loi_confirmed) */
.centered-card {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
  padding: 48px 40px;
}

.lane2-icon, .loi-confirm-icon {
  font-size: 40px;
  margin-bottom: 20px;
}

.loi-confirm-icon { color: var(--green); }

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  margin-bottom: 16px;
}

.centered-card p { color: var(--muted); margin-bottom: 12px; }
.centered-card a { margin-top: 8px; }
.centered-card strong { color: var(--text); }

/* LOI summary */
.loi-summary-box {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px 20px;
  margin: 20px 0;
  text-align: left;
}

.loi-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.loi-summary-row:last-child { border-bottom: none; }
.loi-summary-row span:first-child { color: var(--muted); }

/* ── Shared utilities ─────────────────────────────────────────────────────── */

.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Footer ──────────────────────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 40px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
  .main-content { padding: 24px 16px; }
  .site-header { padding: 16px 20px; }
  .form-row-group { grid-template-columns: 1fr; }
  .hero-title { font-size: 30px; }
  .quote-header { flex-direction: column; gap: 12px; }
  .loi-form { flex-direction: column; }
  .trust-row { gap: 14px; }
  .detail-grid { grid-template-columns: 1fr 1fr; }
}