:root {
  color-scheme: light;
  --ink: #1f2933;
  --muted: #5f6b76;
  --line: #d7dde3;
  --paper: #ffffff;
  --wash: #f5f7f9;
  --teal: #087f8c;
  --teal-dark: #075f69;
  --gold: #b7791f;
  --green: #277a4f;
  --red: #a43f3f;
  --shadow: 0 12px 30px rgba(31, 41, 51, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  min-height: 68px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: #f0c36a;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
}

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  background: #f3f7f7;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 58px 24px;
}

.eyebrow {
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 4.75rem);
  line-height: 1;
  letter-spacing: 0;
  margin: 0;
  max-width: 880px;
}

.hero-copy {
  font-size: 1.12rem;
  max-width: 760px;
  color: var(--muted);
  margin: 22px 0 0;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-weight: 750;
}

.button.secondary {
  background: #fff;
  color: var(--ink);
}

.button:hover {
  transform: translateY(-1px);
}

.profile-panel {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 8px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.profile-panel-wide {
  max-width: 820px;
}

.profile-panel h2 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.profile-panel p {
  margin: 0 0 14px;
  color: var(--muted);
}

.profile-panel p:last-of-type {
  margin-bottom: 0;
}

.contact-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.contact-list a {
  color: var(--teal-dark);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 54px 24px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 24px;
}

.section-header h2,
.project-hero h1 {
  margin: 0;
}

.section-header p {
  max-width: 680px;
  margin: 8px 0 0;
  color: var(--muted);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.experience-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 20px;
}

.experience-card:hover {
  box-shadow: var(--shadow);
}

.experience-card h3 {
  margin: 10px 0 2px;
  font-size: 1.25rem;
}

.experience-company {
  margin: 0 0 12px;
  color: var(--teal-dark);
  font-weight: 800;
}

.experience-card ul {
  margin: 14px 0 0;
  padding-left: 20px;
}

.experience-card li {
  margin: 8px 0;
  color: var(--muted);
}

.cert-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 20px;
}

.cert-card.highlight {
  border-top: 3px solid var(--green);
  background: #f4faf7;
}

.cert-card:hover {
  box-shadow: var(--shadow);
}

.cert-card h3 {
  margin: 10px 0 8px;
  font-size: 1.25rem;
}

.cert-card p {
  margin: 0;
  color: var(--muted);
}

.cert-category {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--teal-dark);
  background: #e8f4f5;
  font-size: 0.75rem;
  font-weight: 850;
}

.cert-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 10px;
}

.cert-list li {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.cert-list strong,
.cert-list span {
  display: block;
}

.cert-list strong {
  color: var(--ink);
}

.cert-list span {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 2px;
}

.cert-list.compact {
  gap: 8px;
}

.cert-meta {
  margin: 14px 0 0;
  display: grid;
  gap: 8px;
}

.cert-meta div {
  border-top: 1px solid var(--line);
  padding-top: 8px;
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
}

.cert-meta dt {
  color: var(--muted);
  font-weight: 750;
}

.cert-meta dd {
  margin: 0;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.app-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 18px;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.app-card:hover {
  box-shadow: var(--shadow);
}

.app-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  border: 1px solid var(--line);
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(31, 41, 51, 0.12);
}

.app-card-body h3 {
  margin: 10px 0 8px;
  font-size: 1.25rem;
}

.app-card-body p {
  margin: 0;
  color: var(--muted);
}

.tool-card {
  min-height: 285px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--paper);
}

.tool-card:hover {
  box-shadow: var(--shadow);
}

.tool-card h3 {
  margin: 10px 0 8px;
  font-size: 1.25rem;
}

.tool-card p {
  margin: 0;
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 0.78rem;
  font-weight: 750;
  color: #41505c;
  background: var(--wash);
}

.status {
  width: fit-content;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 850;
  color: #fff;
  background: var(--teal);
}

.status.live {
  background: var(--green);
}

.status.planned {
  background: var(--gold);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 26px;
}

.plain-panel {
  border-top: 3px solid var(--teal);
  background: var(--wash);
  padding: 22px;
}

.plain-panel h3 {
  margin-top: 0;
}

.plain-panel ul,
.project-body ul {
  padding-left: 20px;
}

.plain-panel li,
.project-body li {
  margin: 8px 0;
}

.project-hero {
  background: #f3f7f7;
  border-bottom: 1px solid var(--line);
}

.project-hero-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 58px 24px;
}

.project-body {
  max-width: 980px;
  margin: 0 auto;
  padding: 42px 24px 64px;
}

.work-history-page {
  max-width: 980px;
  margin: 0 auto;
  padding: 42px 24px 64px;
  display: grid;
  gap: 22px;
}

.work-entry {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 24px;
}

.work-entry:hover {
  box-shadow: var(--shadow);
}

.work-entry h2 {
  margin: 10px 0 2px;
  font-size: 1.55rem;
}

.work-entry h3 {
  margin: 24px 0 8px;
  font-size: 1rem;
}

.work-entry p {
  color: var(--muted);
  margin: 12px 0 0;
}

.work-entry ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.work-entry li {
  margin: 8px 0;
}

.project-body h2 {
  margin-top: 34px;
}

.code-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111820;
  color: #edf2f7;
  padding: 16px;
  overflow-x: auto;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: #fff;
}

.site-footer .section {
  padding-top: 28px;
  padding-bottom: 28px;
}

.site-footer p {
  color: #d7dde3;
  margin: 0;
}

@media (max-width: 860px) {
  .hero-inner,
  .split {
    grid-template-columns: 1fr;
  }

  .tool-grid {
    grid-template-columns: 1fr 1fr;
  }

  .app-grid {
    grid-template-columns: 1fr;
  }

  .cert-grid {
    grid-template-columns: 1fr;
  }

  .experience-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero-inner {
    padding-top: 48px;
  }

  .tool-grid {
    grid-template-columns: 1fr;
  }

  .app-card {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .app-icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
  }

  .cert-meta div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .section-header {
    align-items: flex-start;
    flex-direction: column;
  }
}