:root {
  color-scheme: light;
  --ink: #10243a;
  --muted: #516276;
  --navy: #07182b;
  --navy-soft: #102a46;
  --blue: #0a6ea8;
  --sky: #59c3ff;
  --amber: #f2b544;
  --paper: #f5f8fb;
  --white: #ffffff;
  --line: #d7e1ea;
  --shadow: 0 18px 50px rgba(7, 24, 43, 0.1);
  --radius: 1.25rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.shell {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  padding: 0.65rem 0.9rem;
  color: var(--navy);
  background: var(--white);
  border-radius: 0.5rem;
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  color: var(--white);
  background: rgba(7, 24, 43, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-wrap,
.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-wrap {
  min-height: 4.6rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  color: var(--navy);
  background: var(--sky);
  border-radius: 0.65rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1.2rem;
}

nav a {
  padding: 0.45rem 0;
  color: #dbe8f3;
  font-size: 0.95rem;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--sky);
}

.hero {
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 80% 20%, rgba(89, 195, 255, 0.2), transparent 28rem),
    linear-gradient(135deg, var(--navy), #0b2742 65%, #073b5a);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  min-height: 39rem;
  padding-block: 5rem;
}

.eyebrow,
.card-label {
  margin: 0 0 0.9rem;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .eyebrow,
.section-dark .eyebrow,
.contact-card .eyebrow,
.focus-card .card-label {
  color: var(--sky);
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  max-width: 15ch;
  margin-bottom: 1.4rem;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.35rem;
  line-height: 1.25;
}

h4 {
  margin-bottom: 0.45rem;
  font-size: 1.12rem;
}

.intro {
  max-width: 42rem;
  color: #dbe8f3;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.72rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 0.75rem;
  font-weight: 750;
  text-decoration: none;
}

.button-primary {
  color: var(--navy);
  background: var(--sky);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #8ed7ff;
}

.button-secondary {
  color: inherit;
  background: transparent;
  border-color: currentColor;
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: var(--sky);
}

.focus-card {
  padding: clamp(1.5rem, 4vw, 2.2rem);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(8px);
}

.focus-card h2 {
  max-width: 100%;
  font-size: clamp(1.75rem, 2.5vw, 2.15rem);
  line-height: 1.12;
  overflow-wrap: anywhere;
}

.focus-card p,
.section-dark p {
  color: #c9d9e8;
}

.check-list {
  display: grid;
  gap: 0.65rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.8rem;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--amber);
  content: "✓";
  font-weight: 800;
}

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

.section-heading {
  max-width: 47rem;
  margin-bottom: 2.2rem;
}

.section-heading > p:last-child,
.background-copy,
.archive-copy p,
.project-copy > p,
.contact-card p {
  color: var(--muted);
}

.project-grid {
  display: grid;
  gap: 1.25rem;
}

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

.project-card {
  display: flex;
  min-height: 20rem;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.4rem, 3vw, 2rem);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.featured-card:first-child {
  border-top: 5px solid var(--sky);
}

.featured-card:nth-child(2) {
  border-top: 5px solid var(--amber);
}

.status {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.25rem 0.55rem;
  color: #0b5d39;
  background: #dff5e9;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 0.28rem 0.6rem;
  color: var(--navy-soft);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.text-link {
  width: fit-content;
  margin-top: 1.5rem;
  color: var(--blue);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
}

.archive-title {
  margin: 3.4rem 0 1.2rem;
}

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

.archive-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.archive-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  background: #e9eef3;
}

.archive-copy {
  padding: 1.25rem;
}

.archive-copy p {
  margin-bottom: 0;
}

.section-dark {
  color: var(--white);
  background: var(--navy);
}

.skills-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 6rem);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
}

.skills-grid > div {
  padding: 1.5rem;
  background: var(--navy-soft);
}

.skills-grid p {
  margin-bottom: 0;
}

.background-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(2rem, 7vw, 6rem);
}

.background-copy {
  font-size: 1.08rem;
}

.resume-note {
  margin-top: 1.5rem;
  padding: 1.1rem 1.2rem;
  background: var(--paper);
  border-left: 4px solid var(--amber);
}

.contact-section {
  padding: 0 0 clamp(4rem, 8vw, 7rem);
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.8rem, 5vw, 3.5rem);
  color: var(--white);
  background: linear-gradient(135deg, #0a3c5d, #07182b);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-card > div:first-child {
  max-width: 39rem;
}

.contact-card p {
  color: #d0dfec;
  margin-bottom: 0;
}

footer {
  padding-block: 2rem;
  color: #c9d9e8;
  background: #04101e;
  font-size: 0.9rem;
}

footer p {
  margin: 0;
}

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

@media (max-width: 800px) {
  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 0.85rem;
  }

  nav {
    width: 100%;
    justify-content: flex-start;
  }

  .hero-grid,
  .skills-layout,
  .background-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding-block: 4rem;
  }

  .project-grid-featured,
  .archive-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 540px) {
  .shell {
    width: min(100% - 1.5rem, 1120px);
  }

  nav {
    gap: 0.2rem 0.85rem;
  }

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

  .button {
    width: 100%;
  }

  .footer-wrap {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.4rem;
  }
}

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