:root {
  color-scheme: light;
  --ink: #13201f;
  --muted: #5b6a66;
  --paper: #f7f4ed;
  --paper-strong: #fffcf4;
  --line: rgba(19, 32, 31, 0.14);
  --forest: #0f3d3e;
  --moss: #6b8f71;
  --rust: #b34b2d;
  --gold: #d7a52b;
  --aqua: #2a7b88;
  --shadow: 0 24px 70px rgba(15, 61, 62, 0.12);
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(120deg, rgba(42, 123, 136, 0.12), transparent 36%),
    linear-gradient(300deg, rgba(215, 165, 43, 0.16), transparent 42%),
    var(--paper);
  font-family: Georgia, "Times New Roman", serif;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(19, 32, 31, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 32, 31, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 82%);
}

a {
  color: inherit;
  text-decoration: none;
}

#systems-map {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: 0.38;
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: calc(var(--max) + 48px);
  margin: 0 auto;
  padding: 18px 24px;
  background: rgba(247, 244, 237, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.contact-actions,
.focus-strip,
.tags {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: var(--paper-strong);
  background: var(--forest);
  border: 2px solid rgba(255, 252, 244, 0.9);
  box-shadow: 5px 5px 0 var(--gold);
}

.nav-links {
  gap: 6px;
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: 0.92rem;
}

.nav-links a {
  padding: 10px 12px;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  border-color: var(--rust);
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 54px;
  align-items: end;
  min-height: calc(100svh - 84px);
  padding: 92px 0 56px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--rust);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 0.98;
}

h1 {
  max-width: 870px;
  font-size: clamp(3.1rem, 8vw, 6.7rem);
}

h2 {
  max-width: 760px;
  font-size: clamp(2.1rem, 4.4vw, 4.2rem);
}

h3 {
  font-size: clamp(1.35rem, 2vw, 2rem);
}

.intro {
  max-width: 720px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.34rem);
  line-height: 1.58;
}

.hero-actions,
.contact-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid var(--forest);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 rgba(19, 32, 31, 0.18);
}

.button.primary {
  color: var(--paper-strong);
  background: var(--forest);
}

.button.ghost {
  background: rgba(255, 252, 244, 0.66);
}

.signal-panel {
  padding: 28px;
  background: rgba(255, 252, 244, 0.72);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.signal-panel div + div {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.metric {
  display: block;
  color: var(--forest);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 0.9;
}

.label {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.45;
}

.focus-strip {
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0 76px;
}

.focus-strip span,
.tags span {
  color: var(--forest);
  background: rgba(255, 252, 244, 0.74);
  border: 1px solid var(--line);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: 0.88rem;
  font-weight: 800;
}

.focus-strip span {
  padding: 10px 12px;
}

.section-heading {
  margin-bottom: 30px;
}

.timeline {
  display: grid;
  gap: 18px;
}

.role-card {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 30px;
  padding: 28px;
  background: rgba(255, 252, 244, 0.76);
  border: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(19, 32, 31, 0.04);
}

.role-meta {
  color: var(--muted);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  line-height: 1.4;
}

.role-meta strong {
  display: block;
  margin-top: 8px;
  color: var(--forest);
}

.project-label {
  margin: 10px 0 16px;
  color: var(--rust);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-weight: 800;
}

ul {
  margin: 0;
  padding-left: 20px;
}

li {
  margin: 9px 0;
  color: var(--muted);
  line-height: 1.55;
}

#projects,
#skills,
.credentials,
.certifications,
.contact-section {
  padding-top: 100px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.project-card,
.skill-group,
.cert-card {
  background: rgba(255, 252, 244, 0.74);
  border: 1px solid var(--line);
}

.project-card {
  min-height: 330px;
  padding: 22px;
}

.project-index {
  color: var(--aqua);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: 0.88rem;
  font-weight: 900;
}

.project-card h3 {
  margin-top: 36px;
}

.project-card p,
.skill-group p,
.credentials p,
.cert-card p {
  color: var(--muted);
  line-height: 1.58;
}

.tags {
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.tags span {
  padding: 7px 9px;
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.skill-group {
  padding: 22px;
}

.skill-group h3 {
  font-size: 1.35rem;
}

.credentials {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 36px;
  align-items: end;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.cert-card {
  min-height: 270px;
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.cert-card::after {
  position: absolute;
  right: 18px;
  bottom: 14px;
  color: rgba(15, 61, 62, 0.08);
  content: "✓";
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: 5rem;
  font-weight: 900;
}

.cert-card.highlight {
  background: rgba(215, 165, 43, 0.14);
}

.cert-provider {
  display: inline-flex;
  margin-bottom: 34px;
  color: var(--rust);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.contact-section {
  padding-bottom: 86px;
}

.contact-section h2 {
  max-width: 900px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0 34px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 680ms ease, transform 680ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero,
  .split-section,
  .credentials {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 34px;
    min-height: auto;
    padding-top: 76px;
  }

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

  .signal-panel div + div {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 18px;
  }

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

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

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
  }

  .section {
    width: min(100% - 28px, var(--max));
  }

  h1 {
    font-size: clamp(2.55rem, 14vw, 4.8rem);
  }

  .signal-panel,
  .role-card,
  .skills-grid,
  .project-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .signal-panel div + div {
    padding-top: 20px;
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .role-card,
  .project-card,
  .skill-group,
  .cert-card,
  .signal-panel {
    padding: 20px;
  }

  .project-card,
  .cert-card {
    min-height: 250px;
  }

  #projects,
  #skills,
  .credentials,
  .certifications,
  .contact-section {
    padding-top: 72px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}