:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --ink: #161614;
  --muted: #5f625c;
  --line: #d9d4c8;
  --panel: #ffffff;
  --panel-soft: #eee8dc;
  --accent: #0f766e;
  --accent-dark: #134e4a;
  --signal: #d9461e;
  --blue: #285d8f;
  --shadow: 0 24px 70px rgba(27, 32, 24, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

.button:focus-visible,
.project-link:focus-visible,
.cert-card:focus-visible,
.resume-preview:focus-visible,
.contact-links a:focus-visible,
.site-nav a:focus-visible,
.brand:focus-visible {
  box-shadow: 0 0 0 4px rgba(217, 70, 30, 0.18);
}

code {
  background: rgba(15, 118, 110, 0.1);
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 5px;
  padding: 0.08rem 0.28rem;
  font-size: 0.92em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.9rem clamp(1rem, 4vw, 3.5rem);
  border-bottom: 1px solid rgba(22, 22, 20, 0.1);
  background: rgba(247, 245, 239, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.65rem, 2vw, 1.4rem);
  max-width: 100%;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-nav a {
  display: inline-flex;
  min-height: 44px;
  min-width: 44px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

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

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(2.5rem, 7vw, 6.5rem) clamp(1rem, 4vw, 3.5rem);
}

.hero-visual {
  min-height: 520px;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 22% 18%, rgba(217, 70, 30, 0.18), transparent 28%),
    linear-gradient(135deg, #fffdfa 0%, #e4eee9 46%, #f5e3d7 100%);
  box-shadow: var(--shadow);
}

.signal-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(22, 22, 20, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 22, 20, 0.07) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(145deg, #000 20%, transparent 88%);
}

.terminal-window {
  width: min(88%, 560px);
  min-width: 0;
  border: 1px solid rgba(22, 22, 20, 0.18);
  background: #111611;
  color: #d7f7e7;
  box-shadow: 0 28px 70px rgba(17, 22, 17, 0.28);
}

.terminal-bar {
  display: flex;
  gap: 0.45rem;
  padding: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
}

.terminal-bar span {
  width: 11px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #d9461e;
}

.terminal-bar span:nth-child(2) {
  background: #f2b84b;
}

.terminal-bar span:nth-child(3) {
  background: #48a868;
}

pre {
  margin: 0;
  padding: clamp(1rem, 4vw, 2rem);
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  font: 700 clamp(0.82rem, 2vw, 1.05rem) / 1.8 "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

pre code {
  display: block;
  width: max-content;
  min-width: 100%;
}

.hero-copy {
  max-width: 670px;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin: 0;
  font-size: clamp(4rem, 11vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 0.55rem;
  font-size: 1.08rem;
}

.hero-copy > p:not(.eyebrow),
.section-heading > p:not(.eyebrow) {
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  padding: 0.75rem 1rem;
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  background: var(--ink);
  color: white;
}

.button.secondary {
  background: transparent;
}

.intro-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}

.intro-band div {
  display: grid;
  gap: 0.35rem;
  padding: clamp(1.2rem, 4vw, 2rem) clamp(1rem, 4vw, 3.5rem);
  background: var(--panel);
}

.intro-band span {
  color: var(--muted);
}

.section {
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 3.5rem);
}

.muted {
  background: var(--panel-soft);
}

.section-heading {
  max-width: 780px;
  margin-bottom: clamp(1.5rem, 4vw, 3rem);
}

.timeline {
  position: relative;
  display: grid;
  gap: 0;
  max-width: 980px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0.6rem;
  bottom: 0.6rem;
  left: 0.45rem;
  width: 1px;
  background: var(--line);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 1.1rem minmax(0, 1fr);
  gap: 1.1rem;
  padding-bottom: 1.6rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: relative;
  z-index: 1;
  width: 0.9rem;
  aspect-ratio: 1;
  margin-top: 0.45rem;
  border: 2px solid var(--accent);
  background: var(--panel);
}

.timeline-content {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 1.1rem;
}

.timeline-date,
.timeline-company {
  margin: 0;
  color: var(--muted);
  font-weight: 750;
}

.timeline-content h3 {
  margin-top: 0.25rem;
}

.timeline-content p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.feature-grid,
.project-grid {
  display: grid;
  gap: 1rem;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.feature-grid article,
.project-card,
.list-panel,
.cert-grid,
.resume-panel,
.contact-links {
  border: 1px solid var(--line);
  background: var(--panel);
}

.feature-grid article,
.project-card {
  padding: 1.2rem;
}

.feature-grid p,
.project-card p {
  margin: 0;
  color: var(--muted);
}

.project-card {
  min-height: 340px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.project-card:hover {
  border-color: rgba(15, 118, 110, 0.42);
  box-shadow: 0 18px 42px rgba(27, 32, 24, 0.1);
  transform: translateY(-3px);
}

.project-tagline {
  font-weight: 800;
}

.project-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  align-self: flex-start;
  border-bottom: 2px solid currentColor;
  color: var(--accent-dark);
  text-decoration: none;
  font-weight: 800;
}

.project-detail {
  display: grid;
  gap: 1.25rem;
  max-width: 980px;
}

.project-detail h1 {
  font-size: clamp(3rem, 8vw, 6rem);
}

.project-detail > p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
}

.tag {
  background: rgba(40, 93, 143, 0.1);
  color: #214d77;
  padding: 0.3rem 0.45rem;
  font-size: 0.78rem;
  font-weight: 750;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 1.1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: start;
}

.list-panel,
.cert-grid,
.resume-panel,
.contact-links {
  display: grid;
  gap: 1px;
  background: var(--line);
}

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

.resume-panel {
  gap: 1rem;
  padding: 1rem;
  background: var(--panel);
}

.list-item,
.document-link,
.contact-links a {
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
  background: var(--panel);
  text-decoration: none;
}

.cert-card {
  display: grid;
  min-height: 185px;
  justify-items: center;
  align-content: center;
  gap: 0.9rem;
  padding: 1rem;
  background: var(--panel);
  text-align: center;
  text-decoration: none;
  transition:
    box-shadow 180ms ease,
    transform 180ms ease;
}

.cert-card:hover {
  box-shadow: 0 14px 34px rgba(27, 32, 24, 0.1);
  transform: scale(1.025);
}

.cert-badge-wrap {
  display: grid;
  width: 96px;
  aspect-ratio: 1;
  place-items: center;
}

.cert-badge {
  display: block;
  max-width: 96px;
  max-height: 96px;
  object-fit: contain;
}

.cert-card > span:last-child {
  max-width: 15ch;
  font-weight: 850;
  line-height: 1.25;
}

.contact-links a {
  grid-template-columns: 2.35rem minmax(0, 1fr);
  align-items: center;
  gap: 0.8rem;
}

.list-item span,
.document-link span,
.contact-links a span {
  font-weight: 850;
}

.list-item small,
.document-link small,
.contact-links a small {
  color: var(--muted);
}

.contact-icon {
  display: grid;
  width: 2.35rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(15, 118, 110, 0.22);
  color: var(--accent-dark);
}

.contact-icon svg {
  width: 1.2rem;
  height: 1.2rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.contact-copy {
  display: grid;
  gap: 0.1rem;
  min-width: 0;
}

.resume-preview {
  display: grid;
  gap: 0.65rem;
  width: min(100%, 260px);
  text-decoration: none;
}

.resume-preview iframe {
  width: 100%;
  aspect-ratio: 8.5 / 11;
  border: 1px solid var(--line);
  background: white;
  pointer-events: none;
}

.resume-preview span {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 750;
}

.resume-download {
  justify-self: start;
}

.contact-section {
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem clamp(1rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.15rem;
  }

  .hero,
  .split,
  .intro-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 360px;
    order: 2;
  }

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

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

@media (max-width: 640px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .brand span {
    font-size: 0.98rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

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