/* =========================================================================
   Stick The Landing — Tools Suite
   Shared stylesheet
   Brand colors: Midnight Navy #1A1F36 + Amber #E8930C
   ========================================================================= */

:root {
  /* Brand palette */
  --midnight-navy: #1A1F36;
  --amber: #E8930C;
  --amber-hover: #C97A05;
  --slate: #4A5568;
  --dark-charcoal: #2D3748;
  --cloud-gray: #F7F8FA;
  --soft-edge: #E2E8F0;
  --amber-tint: #FFF3E0;
  --white: #FFFFFF;

  /* Semantic colors */
  --success: #2F855A;
  --success-bg: #E6F4EC;
  --warning: #C05621;
  --warning-bg: #FEEBC8;
  --danger: #C53030;
  --danger-bg: #FED7D7;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Layout */
  --container-max: 1120px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(26, 31, 54, 0.06);
  --shadow-md: 0 4px 12px rgba(26, 31, 54, 0.08);
  --shadow-lg: 0 12px 32px rgba(26, 31, 54, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--slate);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* -------------------------------------------------------------------------
   Header
   ------------------------------------------------------------------------- */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--soft-edge);
  padding: 20px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.95);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.logo-link img {
  height: 40px;
  width: auto;
  display: block;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.header-nav a {
  color: var(--slate);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.15s ease;
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--midnight-navy);
}

.header-nav .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--amber);
  font-weight: 600;
}

.header-nav .back-link:hover {
  color: var(--amber-hover);
}

/* -------------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------------- */
.hero {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 72px 24px 48px;
  text-align: left;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.hero h1 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 44px;
  line-height: 1.15;
  color: var(--midnight-navy);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  max-width: 820px;
}

.hero .lede {
  font-size: 18px;
  color: var(--slate);
  max-width: 680px;
  line-height: 1.65;
}

/* -------------------------------------------------------------------------
   Tool cards (homepage)
   ------------------------------------------------------------------------- */
.tools-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 16px 24px 96px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.tool-card {
  background: var(--white);
  border: 1px solid var(--soft-edge);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.tool-card:hover {
  border-color: var(--amber);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tool-card:hover::before {
  transform: scaleX(1);
}

.tool-card.disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.tool-card .tool-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.tool-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--midnight-navy);
  letter-spacing: -0.01em;
}

.tool-card p {
  font-size: 15px;
  color: var(--slate);
  flex-grow: 1;
}

.tool-card .tool-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--amber);
  font-weight: 600;
  font-size: 14px;
  margin-top: 8px;
}

.tool-card .coming-soon-pill {
  display: inline-block;
  background: var(--cloud-gray);
  color: var(--slate);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  align-self: flex-start;
}

/* -------------------------------------------------------------------------
   Tool page
   ------------------------------------------------------------------------- */
.tool-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.tool-page h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--midnight-navy);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.tool-page .tool-description {
  font-size: 17px;
  color: var(--slate);
  margin-bottom: 40px;
  max-width: 680px;
}

/* Input form */
.tool-form {
  background: var(--cloud-gray);
  border: 1px solid var(--soft-edge);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 32px;
}

.tool-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--midnight-navy);
  margin-bottom: 8px;
}

.input-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.domain-input {
  flex: 1;
  min-width: 260px;
  font-family: var(--font-mono);
  font-size: 16px;
  padding: 14px 16px;
  border: 2px solid var(--soft-edge);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--midnight-navy);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.domain-input:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(232, 147, 12, 0.15);
}

.domain-input::placeholder {
  color: #A0AEC0;
}

.btn-primary {
  background: var(--amber);
  color: var(--white);
  border: none;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
  letter-spacing: 0.01em;
  min-width: 140px;
}

.btn-primary:hover {
  background: var(--amber-hover);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-primary:disabled {
  background: #CBD5E0;
  cursor: not-allowed;
}

.form-hint {
  font-size: 13px;
  color: var(--slate);
  margin-top: 12px;
}

/* -------------------------------------------------------------------------
   Results area
   ------------------------------------------------------------------------- */
.results {
  display: none;
  scroll-margin-top: 96px;
}

.results.visible {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-status {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  font-weight: 500;
}

.result-status.found {
  background: var(--success-bg);
  color: var(--success);
  border-left: 4px solid var(--success);
}

.result-status.warning {
  background: var(--warning-bg);
  color: var(--warning);
  border-left: 4px solid var(--warning);
}

.result-status.missing {
  background: var(--danger-bg);
  color: var(--danger);
  border-left: 4px solid var(--danger);
}

.result-status .status-icon {
  font-size: 20px;
  line-height: 1;
}

.record-block {
  background: var(--midnight-navy);
  color: #E6EBF2;
  padding: 20px 24px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  overflow-x: auto;
  margin-bottom: 24px;
  position: relative;
  word-break: break-all;
  white-space: pre-wrap;
}

.record-block .record-label {
  display: block;
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 600;
}

.copy-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #E6EBF2;
  font-family: var(--font-body);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.copy-btn:hover {
  background: rgba(232, 147, 12, 0.2);
  border-color: var(--amber);
  color: var(--amber);
}

.copy-btn.copied {
  background: var(--amber);
  color: var(--white);
  border-color: var(--amber);
}

/* Analysis section */
.analysis {
  background: var(--white);
  border: 1px solid var(--soft-edge);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
}

.analysis h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--midnight-navy);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric {
  background: var(--cloud-gray);
  border-radius: var(--radius);
  padding: 16px;
}

.metric .metric-label {
  font-size: 12px;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 6px;
}

.metric .metric-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--midnight-navy);
}

.metric .metric-value.ok { color: var(--success); }
.metric .metric-value.warn { color: var(--warning); }
.metric .metric-value.bad { color: var(--danger); }

.mechanism-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mechanism-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--cloud-gray);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--dark-charcoal);
}

.mechanism-item .mech-type {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--amber-tint);
  color: var(--warning);
  min-width: 60px;
  text-align: center;
}

.mechanism-item .mech-value {
  flex: 1;
  word-break: break-all;
}

/* Callout / advice box */
.callout {
  background: var(--amber-tint);
  border-left: 4px solid var(--amber);
  padding: 20px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 24px;
}

.callout h3 {
  color: var(--midnight-navy);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.callout p {
  color: var(--dark-charcoal);
  font-size: 15px;
}

.callout ul {
  margin-top: 10px;
  padding-left: 20px;
  color: var(--dark-charcoal);
  font-size: 15px;
}

.callout li {
  margin-bottom: 4px;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

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

/* Error state */
.error-box {
  background: var(--danger-bg);
  color: var(--danger);
  border-left: 4px solid var(--danger);
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  font-size: 15px;
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--midnight-navy);
  color: #A0AEC0;
  padding: 48px 24px;
  margin-top: 80px;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.footer-inner a {
  color: var(--amber);
  text-decoration: none;
  font-weight: 500;
}

.footer-inner a:hover {
  text-decoration: underline;
}

.footer-brand {
  color: var(--white);
  font-weight: 600;
  font-size: 15px;
}

.footer-tagline {
  font-size: 14px;
  margin-top: 4px;
}

/* -------------------------------------------------------------------------
   Logs page
   ------------------------------------------------------------------------- */
.logs-page {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 56px 24px 96px;
}

.logs-header {
  margin-bottom: 32px;
}

.logs-header h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--midnight-navy);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.logs-controls {
  background: var(--cloud-gray);
  border: 1px solid var(--soft-edge);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 24px;
}

.filter-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-group {
  flex: 1;
  min-width: 160px;
}

.filter-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.filter-select,
.filter-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 12px;
  border: 1px solid var(--soft-edge);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--midnight-navy);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.filter-select:focus,
.filter-input:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(232, 147, 12, 0.15);
}

.filter-input {
  font-family: var(--font-mono);
}

.filter-actions {
  display: flex;
  gap: 8px;
}

.btn-secondary {
  background: var(--white);
  color: var(--midnight-navy);
  border: 1px solid var(--soft-edge);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-secondary:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.logs-summary {
  margin-top: 14px;
  font-size: 13px;
  color: var(--slate);
  font-family: var(--font-mono);
}

.logs-summary strong {
  color: var(--midnight-navy);
  font-weight: 600;
}

.logs-table-wrap {
  background: var(--white);
  border: 1px solid var(--soft-edge);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.logs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.logs-table thead {
  background: var(--cloud-gray);
  border-bottom: 1px solid var(--soft-edge);
}

.logs-table th {
  padding: 14px 20px;
  text-align: left;
  font-weight: 600;
  color: var(--midnight-navy);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.logs-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--soft-edge);
  color: var(--dark-charcoal);
  vertical-align: top;
}

.logs-table tbody tr {
  transition: background-color 0.1s ease;
}

.logs-table tbody tr:hover {
  background: var(--cloud-gray);
}

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

.col-time { width: 140px; white-space: nowrap; font-family: var(--font-mono); font-size: 13px; color: var(--slate); }
.col-tool { width: 80px; }
.col-domain { font-family: var(--font-mono); font-weight: 500; color: var(--midnight-navy); }
.col-status { width: 120px; }
.col-details { color: var(--slate); font-size: 13px; }
.col-record { max-width: 360px; }
.record-cell {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--midnight-navy);
  background: rgba(26, 31, 54, 0.04);
  padding: 4px 8px;
  border-radius: 4px;
  word-break: break-all;
  white-space: normal;
  line-height: 1.4;
}

.tool-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.tool-pill.spf {
  background: var(--amber-tint);
  color: var(--warning);
}

.tool-pill.dmarc {
  background: #E6F4EC;
  color: var(--success);
}

.tool-pill.stack {
  background: #E6F0FF;
  color: #2B6CB0;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.status-pill.found {
  background: var(--success-bg);
  color: var(--success);
}

.status-pill.missing {
  background: var(--danger-bg);
  color: var(--danger);
}

.status-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.logs-empty {
  padding: 80px 24px;
  text-align: center;
  color: var(--slate);
  background: var(--cloud-gray);
  border-radius: var(--radius-lg);
  border: 1px solid var(--soft-edge);
}

.logs-empty-state {
  padding: 60px 24px;
  text-align: center;
  color: var(--slate);
}

.logs-empty-state p,
.logs-empty p {
  font-size: 15px;
  margin: 0;
}

.spinner-big {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--soft-edge);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 16px;
}

.logs-error-box {
  background: var(--danger-bg);
  color: var(--danger);
  border-left: 4px solid var(--danger);
  padding: 20px 24px;
  border-radius: var(--radius);
  text-align: left;
}

.logs-error-box strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
}

.logs-error-box p {
  font-size: 14px;
  color: var(--dark-charcoal);
  margin: 0;
}

/* -------------------------------------------------------------------------
   Stack Scanner
   ------------------------------------------------------------------------- */
.grade-banner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px 28px;
  border-radius: 10px;
  margin: 32px 0 20px;
  background: linear-gradient(135deg, #FFF9F0 0%, #FFFFFF 100%);
  border: 1px solid var(--soft-edge);
}
.grade-banner .grade-letter {
  flex-shrink: 0;
  width: 96px;
  height: 96px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 56px;
  line-height: 1;
  color: #FFFFFF;
  background: var(--amber);
}
.grade-banner.grade-A .grade-letter { background: var(--success); }
.grade-banner.grade-B .grade-letter { background: #4FAE70; }
.grade-banner.grade-C .grade-letter { background: var(--warning); }
.grade-banner.grade-D .grade-letter { background: var(--amber); }
.grade-banner.grade-F .grade-letter { background: var(--danger); }
.grade-banner .grade-body h2 {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--midnight-navy);
  margin: 0 0 6px;
  word-break: break-all;
}
.grade-banner .grade-body p {
  font-size: 15px;
  color: var(--slate);
  margin: 0;
  line-height: 1.55;
}

.platform-section {
  padding: 24px 0;
  border-top: 1px solid var(--soft-edge);
}
.platform-section:first-of-type { border-top: none; padding-top: 8px; }
.platform-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.platform-header h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--midnight-navy);
  margin: 0;
}
.tier-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tier-badge.tier-1 { background: #FEF3E2; color: #B86E00; }
.tier-badge.tier-2 { background: #EEF2FF; color: #3B4FC4; }
.tier-badge.tier-3 { background: #F1F1F4; color: #5B6478; }
.category-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--slate);
  background: #F3F4F7;
  text-transform: capitalize;
}
.verify-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: #B86E00;
  background: #FFF5E3;
}

.evidence-block { margin: 14px 0 18px; }
.evidence-block h4,
.platform-why h4,
.platform-consequences h4,
.dkim-block h4,
.remediation h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate);
  margin: 0 0 10px;
}
.evidence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.evidence-item {
  padding: 10px 12px;
  border-radius: 6px;
  background: #FAFAFC;
  border-left: 3px solid var(--amber);
}
.evidence-item.corroborating {
  border-left-color: #C6CAD3;
  background: #FBFBFD;
}
.evidence-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.evidence-type {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--midnight-navy);
  background: #EEF0F4;
  padding: 2px 7px;
  border-radius: 3px;
}
.evidence-location {
  font-size: 12px;
  color: var(--slate);
}
.evidence-weak {
  font-size: 11px;
  color: #8A8F9A;
  font-style: italic;
}
.evidence-match {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--midnight-navy);
  word-break: break-all;
  white-space: normal;
  line-height: 1.5;
}

.platform-why p,
.platform-consequences p {
  font-size: 14px;
  color: var(--dark-charcoal);
  line-height: 1.6;
  margin: 0 0 14px;
}

.dkim-block { margin: 16px 0; }
.remediation { margin: 18px 0 0; }

.scan-metadata {
  margin: 40px 0 0;
  padding: 20px 22px;
  border-radius: 8px;
  background: #FAFAFC;
  border: 1px solid var(--soft-edge);
}
.scan-metadata h3 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate);
  margin: 0 0 12px;
}
.scan-metadata ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--dark-charcoal);
}
.scan-metadata code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--midnight-navy);
  background: #EEF0F4;
  padding: 1px 6px;
  border-radius: 3px;
}

/* -------------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .hero .lede { font-size: 16px; }
  .tool-page h1 { font-size: 28px; }
  .header-nav { gap: 16px; }
  .header-nav a { font-size: 14px; }
  .input-row { flex-direction: column; }
  .btn-primary { width: 100%; }
  .hero { padding: 48px 24px 32px; }
  .tool-page { padding: 40px 24px 64px; }
  .logs-page { padding: 40px 24px 64px; }
  .logs-header h1 { font-size: 28px; }
  .filter-row { flex-direction: column; align-items: stretch; }
  .filter-group { min-width: 0; }
  .filter-actions { flex-direction: column; }
  .logs-table thead { display: none; }
  .logs-table tbody tr {
    display: block;
    padding: 16px 20px;
    border-bottom: 1px solid var(--soft-edge);
  }
  .logs-table tbody td {
    display: block;
    padding: 4px 0;
    border: none;
  }
  .col-time::before { content: 'Time: '; font-weight: 600; color: var(--slate); }
  .col-details { font-size: 13px; }
}