:root {
  --bg: #ffffff;
  --alt-bg: #f6f8fa;
  --text: #1a1d21;
  --muted: #57626c;
  --border: #e4e8ec;
  --card-bg: #ffffff;
  --accent: #004f90;
  --accent-tint: rgba(0, 79, 144, 0.08);
  --accent-tint-border: rgba(0, 79, 144, 0.25);
  --success: #1f8a5b;
  --warning: #b7791f;
  --danger: #c23b3b;
  --info: #2a6fdb;
  --grade-d-color: #d8632a;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
}

:root[data-theme="dark"] {
  --bg: #14181c;
  --alt-bg: #1a2025;
  --text: #e9edf0;
  --muted: #98a3ab;
  --border: #2a3138;
  --card-bg: #1b2126;
  --accent-tint: rgba(0, 79, 144, 0.18);
  --accent-tint-border: rgba(0, 79, 144, 0.4);
}

* {
  box-sizing: border-box;
}

@keyframes dc-up {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes dc-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100vh;
  transition: background-color 0.2s ease, color 0.2s ease;
}

a {
  color: inherit;
}

.container-960 {
  max-width: 960px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-720 {
  max-width: 720px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Theme toggle bar */
.theme-toggle-bar .container-960 {
  padding-top: 20px;
  display: flex;
  justify-content: flex-end;
}

.btn-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-family: var(--font-sans);
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 24px 24px 56px;
  display: flex;
  gap: 40px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.hero-main {
  flex: 1 1 460px;
  min-width: 280px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: var(--accent-tint);
  border: 1px solid var(--accent-tint-border);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 20px;
}

h1 {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  line-height: 1.05;
  color: var(--text);
}

.subtle-line {
  font-size: 15px;
  color: var(--muted);
  margin: 0 0 18px;
}

.intro {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  max-width: 62ch;
  margin: 0;
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
  align-items: center;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 14px;
}

.contact-link .icon {
  display: inline-flex;
  color: var(--muted);
}

.btn-resume {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  background: var(--accent);
  text-decoration: none;
  border-radius: 8px;
  padding: 9px 16px;
}

.portrait {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-tint-border);
  flex-shrink: 0;
}

/* Highlights / demo section */
.alt-section {
  background: var(--alt-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.alt-inner {
  padding-top: 36px;
  padding-bottom: 36px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(198px, 1fr));
  gap: 14px;
  margin-top: 4px;
}

.highlight-card {
  display: block;
  text-decoration: none;
  border-radius: 10px;
  padding: 20px;
}

.highlight-card--hero {
  background: var(--accent-tint);
  border: 1px solid var(--accent-tint-border);
}

.highlight-card--supp {
  background: var(--card-bg);
  border: 1px solid var(--border);
}

.highlight-number {
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 10px;
}

.highlight-number--hero {
  font-size: 30px;
  color: var(--accent);
}

.highlight-number--supp {
  font-size: 26px;
  color: var(--text);
}

.highlight-claim {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 8px;
}

.highlight-source {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.45;
}

/* Inline project demo widgets */
.metric-line {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin-top: 8px;
  font-weight: 600;
}

.demo-toggle {
  display: inline-block;
  margin-top: 12px;
  background: none;
  border: none;
  padding: 4px 0;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans);
}

.demo-wrap {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
  animation: dc-fade 0.3s ease;
}

.demo-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.demo-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--alt-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
}

.demo-scores {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
}

.demo-mini {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 12px 0 6px;
}

.demo-mini-inline {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.demo-dataset-note {
  font-size: 11px;
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.5;
}

.demo-question {
  font-size: 14px;
  color: var(--text);
  background: var(--accent-tint);
  border: 1px solid var(--accent-tint-border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-top: 12px;
}

/* Chips & segmented controls */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-row--tight {
  gap: 6px;
  margin-top: 8px;
}

.chip {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font-sans);
}

.chip.is-active {
  border-color: var(--accent-tint-border);
  background: var(--accent-tint);
  color: var(--accent);
  font-weight: 600;
}

.chip--danger {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 30%, transparent);
}

.chip--danger.is-active {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  border-color: color-mix(in srgb, var(--danger) 40%, transparent);
}

.seg-wrap {
  display: inline-flex;
  background: var(--alt-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
  gap: 3px;
  margin-top: 16px;
}

.seg-chip {
  border: none;
  background: none;
  color: var(--muted);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 500;
}

.seg-chip.is-active {
  background: var(--card-bg);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.mini-chip {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.035em;
  border-radius: 4px;
  padding: 3px 8px;
  display: inline-block;
  border: 1px solid transparent;
}

/* Pipeline stages (Hermes demo) */
.stage-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.stage-box {
  background: var(--alt-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  animation: dc-up 0.3s ease;
}

.stage-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sql-block {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  margin: 8px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.5;
  overflow-x: auto;
}

.reason-box {
  font-size: 12px;
  color: var(--text);
  margin-top: 8px;
  line-height: 1.55;
  background: color-mix(in srgb, var(--danger) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  border-radius: 6px;
  padding: 10px 12px;
}

.stage-note {
  font-size: 13px;
  color: var(--text);
  margin-top: 8px;
  line-height: 1.55;
}

.stage-answer {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  margin-top: 8px;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.demo-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 260px;
}

.demo-table th {
  padding: 6px 10px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.demo-table td {
  padding: 6px 10px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
}

.prov-chip {
  margin-top: 10px;
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 11px;
  font-family: var(--font-mono);
  cursor: pointer;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.control-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans);
}

/* Web Presence Report demo */
.gate-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.gate-badge {
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 5px 12px;
}

.gate-badge--success {
  color: var(--success);
  background: color-mix(in srgb, var(--success) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--success) 30%, transparent);
}

.gate-badge--warning {
  color: var(--warning);
  background: color-mix(in srgb, var(--warning) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--warning) 35%, transparent);
}

.claim-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.5;
}

.top-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.overall-card,
.geo-card {
  background: var(--alt-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.overall-grade {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 40px;
  line-height: 1.1;
  margin: 2px 0 6px;
}

.clinic-line {
  font-size: 12px;
  color: var(--muted);
}

.geo-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  margin-top: 8px;
  max-width: 150px;
}

.geo-cell {
  aspect-ratio: 1;
  border-radius: 3px;
  border: 1px solid var(--border);
}

.geo-legend {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin-top: 10px;
}

.scorecard-list {
  display: flex;
  flex-direction: column;
  margin-top: 6px;
}

.scorecard-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
}

.scorecard-row:first-child {
  border-top: none;
}

.grade-chip {
  width: 38px;
  text-align: center;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  border-radius: 6px;
  padding: 5px 0;
  border: 1px solid transparent;
}

.scorecard-body {
  flex: 1;
  min-width: 0;
}

.section-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.summary-text {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
  margin-top: 2px;
}

.delta-text {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--success);
  white-space: nowrap;
  margin-top: 3px;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 6px;
}

.plan-col {
  background: var(--alt-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}

.plan-head {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.plan-list {
  font-size: 12.5px;
  color: var(--text);
  line-height: 1.5;
  margin: 0;
  padding-left: 18px;
}

.plan-list li {
  margin-bottom: 6px;
}

/* Grading pipeline demo */
.grading-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.q-prompt {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 8px;
}

.scan-wrap {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
}

.scan-img {
  width: 100%;
  display: block;
}

.scan-note {
  font-size: 12px;
  color: var(--warning);
  margin-top: 8px;
  line-height: 1.5;
}

.subscore-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.subscore-card {
  background: var(--alt-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  animation: dc-up 0.3s ease;
}

.subscore-card--flagged {
  background: color-mix(in srgb, var(--warning) 6%, transparent);
  border-color: color-mix(in srgb, var(--warning) 40%, transparent);
}

.subscore-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.qid-text {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.score-text {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
}

.rationale-text {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
  margin-top: 10px;
}

.why-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 8px 0 0;
  font-family: var(--font-sans);
}

/* Main content sections */
main {
  padding-top: 64px;
}

.section {
  margin-bottom: 64px;
}

h2 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.h3-small {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.muted-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  background: var(--alt-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
  margin-top: 4px;
}

.inline-link {
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.body-text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  margin: 10px 0 0;
}

.list {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  margin: 10px 0 0;
  padding-left: 20px;
}

.timeline-wrap {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 24px;
  border-left: 2px solid var(--border);
  padding-left: 24px;
}

.timeline-item {
  position: relative;
}

.timeline-dot {
  position: absolute;
  left: -31px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

.org {
  font-size: 14px;
  color: var(--muted);
  margin-top: 2px;
}

.skill-groups {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}

.skill-group-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.tag {
  font-size: 13px;
  color: var(--text);
  background: var(--alt-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.footer-inner {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.footer-link {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}

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

@media (max-width: 480px) {
  h1 {
    font-size: 36px;
  }

  .intro {
    font-size: 16px;
  }

  .hero {
    padding: 20px 20px 40px;
  }

  main {
    padding-top: 48px;
  }
}