:root {
  --color-background: #111a2e;
  --color-surface: #17233b;
  --color-surface-raised: #25375a;
  --color-accent: #62d5b4;
  --color-text: #edf4f7;
  --color-text-muted: #b9c6d5;
  --content-width: 72rem;
  --nav-height: 4.5rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 1rem);
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

a {
  color: var(--color-accent);
}

a:hover {
  color: var(--color-text);
}

a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

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

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

h1,
h2,
h3 {
  line-height: 1.15;
}

h1 {
  max-width: 15ch;
  font-size: clamp(2.6rem, 7vw, 5.25rem);
}

h2 {
  max-width: 22ch;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

h3 {
  font-size: 1.3rem;
}

.skip-link {
  position: fixed;
  z-index: 2;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.6rem 0.9rem;
  background: var(--color-accent);
  color: var(--color-background);
  font-weight: 700;
  transform: translateY(-150%);
}

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

#navbar {
  position: fixed;
  z-index: 1;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  min-height: var(--nav-height);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem max(1.25rem, calc((100% - var(--content-width)) / 2));
  border-bottom: 1px solid rgb(185 198 213 / 0.2);
  background: rgb(17 26 46 / 0.94);
  backdrop-filter: blur(12px);
}

.site-name {
  flex: 0 0 auto;
  color: var(--color-text);
  font-weight: 800;
  text-decoration: none;
}

.nav-links,
.actions,
.card-actions,
.footer-links,
.skill-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.nav-links {
  justify-content: flex-end;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-decoration: none;
}

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

main {
  padding-top: var(--nav-height);
}

section {
  padding: clamp(4rem, 9vw, 8rem) max(1.25rem, calc((100% - var(--content-width)) / 2));
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: center;
  min-height: 48rem;
}

.eyebrow,
.project-type {
  margin-bottom: 0.75rem;
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__statement {
  max-width: 30ch;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  font-weight: 700;
}

.hero__description,
.journey-section__content p,
.about-section__content p,
.section-heading > p {
  max-width: 64ch;
  color: var(--color-text-muted);
}

.button {
  display: inline-flex;
  min-height: 2.8rem;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1rem;
  border: 2px solid var(--color-accent);
  border-radius: 0.35rem;
  font-weight: 800;
  text-decoration: none;
}

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

.button--secondary {
  background: transparent;
  color: var(--color-accent);
}

.button:hover {
  background: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-background);
}

.progress-panel {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgb(98 213 180 / 0.4);
  border-radius: 1rem;
  background: var(--color-surface);
}

.progress-panel h2 {
  font-size: clamp(1.55rem, 3vw, 2.2rem);
}

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

.progress-card {
  padding: 1rem;
  border-radius: 0.65rem;
  background: var(--color-surface-raised);
}

.progress-card span {
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 800;
}

.progress-card h3 {
  margin: 0.4rem 0;
  font-size: 1rem;
}

.progress-card p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.journey-section,
.about-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 8vw, 7rem);
  align-items: start;
}

.journey-section--raised {
  background: var(--color-surface);
}

.journey-section__content {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-left: 3px solid var(--color-accent);
}

.projects-section {
  background: linear-gradient(180deg, var(--color-background), var(--color-surface));
}

.selected-projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.selected-project-card {
  display: flex;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid rgb(185 198 213 / 0.22);
  border-radius: 0.8rem;
  background: var(--color-surface);
}

.selected-project-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid rgb(185 198 213 / 0.22);
  object-fit: cover;
}

.selected-project-card__content {
  display: flex;
  height: 100%;
  flex-direction: column;
  padding: 1.35rem;
}

.selected-project-card h3 {
  margin-bottom: 0.6rem;
}

.skill-label {
  margin-bottom: 0.85rem;
  color: var(--color-accent);
  font-weight: 700;
}

.selected-project-card__content > p:not(.project-type):not(.skill-label) {
  color: var(--color-text-muted);
}

.card-actions {
  margin-top: auto;
  padding-top: 1rem;
}

.card-actions a {
  font-weight: 800;
}

.about-section__content {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: 0.8rem;
  background: var(--color-surface-raised);
}

.skill-list {
  padding: 0;
  margin: 1.5rem 0 0;
  list-style: none;
}

.skill-list li {
  padding: 0.3rem 0.65rem;
  border: 1px solid rgb(98 213 180 / 0.5);
  border-radius: 999px;
  color: var(--color-text);
  font-size: 0.9rem;
}

footer {
  display: flex;
  max-width: var(--content-width);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 1.25rem;
  margin: 0 auto;
  color: var(--color-text-muted);
}

footer p {
  margin-bottom: 0;
}

.certificate-status {
  font-size: 0.9rem;
}

.archive-hero,
.chapter-block {
  padding: clamp(4rem, 9vw, 8rem) max(1.25rem, calc((100% - var(--content-width)) / 2));
}

.archive-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 8vw, 7rem);
  align-items: end;
  min-height: 29rem;
}

.archive-hero__content {
  max-width: 56ch;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-left: 3px solid var(--color-accent);
}

.archive-hero__content p,
.chapter-heading > p {
  color: var(--color-text-muted);
}

.chapter-block[data-surface="raised"] {
  background: var(--color-surface);
}

.chapter-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 1rem;
  margin-bottom: 2.5rem;
}

.chapter-heading .eyebrow,
.chapter-heading h2,
.chapter-heading > p {
  margin-bottom: 0;
}

.chapter-heading h2 {
  max-width: none;
}

.chapter-heading > p {
  font-size: 0.95rem;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.archive-grid--single {
  grid-template-columns: minmax(0, 23rem);
}

.archive-card {
  display: flex;
  overflow: hidden;
  flex-direction: column;
  min-width: 0;
  border: 1px solid rgb(185 198 213 / 0.22);
  border-radius: 0.8rem;
  background: var(--color-surface);
}

.archive-card > img,
.project-preview {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid rgb(185 198 213 / 0.22);
  object-fit: cover;
}

.project-preview--fallback {
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgb(98 213 180 / 0.2), transparent 60%),
    var(--color-surface-raised);
  color: var(--color-text-muted);
  font-weight: 700;
}

.project-preview--fallback span {
  padding: 0.45rem 0.7rem;
  border: 1px solid rgb(185 198 213 / 0.35);
  border-radius: 999px;
  background: rgb(17 26 46 / 0.7);
  font-size: 0.85rem;
}

.archive-card__content {
  display: flex;
  height: 100%;
  flex-direction: column;
  padding: 1.35rem;
}

.archive-card h3 {
  margin-bottom: 0.6rem;
}

.archive-card__content > p:not(.project-type):not(.skill-label) {
  color: var(--color-text-muted);
}

.mt {
  margin-top: 1rem;
}

@media (max-width: 63rem) {
  .hero,
  .journey-section,
  .about-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

  .archive-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

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

  .archive-grid--single {
    grid-template-columns: minmax(0, 23rem);
  }
}

@media (max-width: 44rem) {
  :root {
    --nav-height: 10rem;
  }

  #navbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .progress-grid,
  .selected-projects-grid,
  .archive-grid {
    grid-template-columns: 1fr;
  }

  .chapter-heading {
    display: block;
  }

  .chapter-heading h2 {
    margin: 0.35rem 0 0.7rem;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}