:root {
  --bg: #f6f7f1;
  --surface: #ffffff;
  --surface-soft: #eef3ef;
  --surface-muted: #e9edf2;
  --text: #17201d;
  --muted: #5b6762;
  --border: #d7ded8;
  --primary: #116a5b;
  --primary-strong: #0b463d;
  --secondary: #8b3f5f;
  --accent: #c27a15;
  --blue: #315b8f;
  --danger: #b93422;
  --shadow: 0 16px 35px rgba(23, 32, 29, 0.1);
}

body.dark {
  --bg: #111716;
  --surface: #192321;
  --surface-soft: #1f2d2a;
  --surface-muted: #202a34;
  --text: #eef5f1;
  --muted: #b7c4be;
  --border: #34413d;
  --primary: #7ed7c7;
  --primary-strong: #b5f1e7;
  --secondary: #f2a4c3;
  --accent: #e5b25f;
  --blue: #99b9e8;
  --danger: #ff8b78;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  letter-spacing: 0;
  transition: background-color 0.2s ease, color 0.2s ease;
}

body,
button,
input,
select,
textarea {
  font: 1rem/1.6 Arial, Helvetica, sans-serif;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 1rem;
  font-size: 4rem;
}

h2 {
  margin-bottom: 0;
  font-size: 2rem;
}

h3 {
  margin-bottom: 0.6rem;
  font-size: 1.15rem;
}

p {
  margin-bottom: 0;
}

a {
  color: inherit;
}

button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 50;
  transform: translateY(-150%);
  border-radius: 8px;
  background: var(--primary-strong);
  color: #fff;
  padding: 0.7rem 0.9rem;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem max(1rem, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(14px);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border-radius: 8px;
  background: var(--primary-strong);
  color: #fff;
  font-weight: 800;
}

.brand-link strong,
.brand-link small {
  display: block;
}

.brand-link small {
  color: var(--muted);
  font-size: 0.82rem;
}

.primary-nav {
  display: flex;
  justify-content: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.primary-nav a {
  border-radius: 8px;
  color: var(--muted);
  padding: 0.45rem 0.7rem;
  text-decoration: none;
  font-size: 0.95rem;
}

.primary-nav a:hover {
  color: var(--text);
  background: var(--surface-soft);
}

.top-actions,
.hero-actions,
.inline-controls {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.primary-button,
.secondary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.primary-button {
  border-color: var(--primary-strong);
  background: var(--primary-strong);
  color: #fff;
}

.secondary-button {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.ghost-button {
  background: var(--surface);
  color: var(--text);
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 3px;
}

.hero {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 5rem max(1rem, calc((100vw - 1120px) / 2));
  color: #fff;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 13, 12, 0.82) 0%, rgba(5, 13, 12, 0.62) 42%, rgba(5, 13, 12, 0.2) 100%),
    linear-gradient(0deg, rgba(5, 13, 12, 0.55), transparent 36%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 43rem;
}

.eyebrow,
.section-label {
  margin-bottom: 0.65rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f5bd68;
}

.hero-lede {
  max-width: 41rem;
  margin-bottom: 1.3rem;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.15rem;
}

.state-strip,
.content-section,
.site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.state-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.25rem 0 0.5rem;
}

.state-card,
.card,
.stat-tile,
.timeline-item,
.info-banner {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.state-card,
.stat-tile {
  display: grid;
  gap: 0.3rem;
  min-height: 6.5rem;
  padding: 1rem;
}

.state-card strong,
.stat-tile strong {
  font-size: 1rem;
  line-height: 1.35;
}

.metric-label,
.helper-text,
.project-meta,
.repo-meta,
.bullet-list,
.site-footer,
.timeline-item span {
  color: var(--muted);
}

.metric-label {
  font-size: 0.82rem;
  font-weight: 700;
}

.content-section {
  padding: 4rem 0 0;
}

.section-heading {
  max-width: 46rem;
  margin-bottom: 1.2rem;
}

.two-column,
.capability-grid,
.projects-grid,
.evidence-grid,
.portfolio-stats {
  display: grid;
  gap: 1rem;
}

.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.capability-grid,
.portfolio-stats {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.projects-grid,
.evidence-grid {
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
}

.card {
  padding: 1.25rem;
}

.capability-card {
  display: grid;
  align-content: start;
}

.capability-index {
  width: fit-content;
  margin-bottom: 1rem;
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--primary-strong);
  padding: 0.2rem 0.55rem;
  font-weight: 800;
}

.bullet-list {
  padding-left: 1.1rem;
  margin: 0;
}

.bullet-list li + li {
  margin-top: 0.55rem;
}

.inline-form,
.contact-form {
  display: grid;
  gap: 0.9rem;
}

.inline-form {
  max-width: 47rem;
}

label {
  display: grid;
  gap: 0.45rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 0.8rem 0.9rem;
}

textarea {
  resize: vertical;
}

.input-error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 18%, transparent);
}

.controls-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 1rem;
}

.info-banner {
  margin-top: 1rem;
  padding: 1rem;
  color: var(--muted);
}

.portfolio-stats {
  margin-top: 1rem;
}

.projects-grid {
  margin-top: 1rem;
}

.project-card,
.repo-card {
  display: grid;
  gap: 0.75rem;
}

.project-tag {
  display: inline-flex;
  width: fit-content;
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--primary-strong);
  padding: 0.25rem 0.55rem;
  font-size: 0.82rem;
  font-weight: 800;
}

.project-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-chip {
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--muted);
  padding: 0.18rem 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.repo-link,
.evidence-link {
  color: var(--primary-strong);
  text-decoration: none;
}

.repo-link {
  width: fit-content;
  font-weight: 800;
}

.repo-link:hover,
.evidence-link:hover strong {
  text-decoration: underline;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  position: relative;
  padding: 1.25rem 1.25rem 1.25rem 1.75rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 1.4rem;
  left: 0.75rem;
  width: 0.42rem;
  height: calc(100% - 2.8rem);
  border-radius: 8px;
  background: var(--accent);
}

.timeline-item span {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
  font-weight: 800;
}

.evidence-link {
  display: grid;
  gap: 0.45rem;
}

.evidence-link span {
  color: var(--secondary);
  font-weight: 800;
}

.evidence-link strong {
  color: var(--text);
}

.contact-form {
  max-width: 48rem;
}

.site-footer {
  padding: 3rem 0 2rem;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .primary-nav {
    justify-content: start;
  }

  .state-strip,
  .capability-grid,
  .portfolio-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .controls-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  h1 {
    font-size: 2.7rem;
  }

  h2 {
    font-size: 1.55rem;
  }

  .hero {
    min-height: 560px;
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .hero-overlay {
    background: rgba(5, 13, 12, 0.72);
  }

  .two-column,
  .state-strip,
  .capability-grid,
  .portfolio-stats,
  .controls-grid {
    grid-template-columns: 1fr;
  }

  .inline-controls,
  .hero-actions,
  .top-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button,
  .secondary-button,
  .ghost-button {
    width: 100%;
  }

  .content-section {
    padding-top: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body,
  .primary-button,
  .secondary-button,
  .ghost-button {
    transition: none;
  }
}