/* Foundations */
:root {
  color-scheme: light;
  --color-background: #f8f9f5;
  --color-surface: #f0f2eb;
  --color-text: #202820;
  --color-muted: #5c655a;
  --color-accent: #2d4d3c;
  --color-line: #d7ddd1;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
  --text-small: 0.8125rem;
  --text-body: 1rem;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --page-gutter: clamp(1.25rem, 5vw, 4rem);
  --content-width: 70rem;
}

* {

  box-sizing: border-box;

}
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-4);
}
body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ul {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 0.25em;
}
a:hover {
  color: var(--color-accent);
}
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 5px;
  border-radius: 2px;
}
::selection {
  background: var(--color-accent);
  color: var(--color-background);
}
.container {
  width: min(var(--content-width), calc(100% - 2 * var(--page-gutter)));
  margin-inline: auto;
}
.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 10;
  padding: var(--space-2);
  background: var(--color-text);
  color: var(--color-background);
  transform: translateY(-200%);
}
.skip-link:focus {
  transform: translateY(0);
  color: var(--color-background);
}

/* Header and navigation */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 6.5rem;
  border-bottom: 1px solid var(--color-line);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 650;
  letter-spacing: -0.025em;
  text-decoration: none;
  white-space: nowrap;
}
.brand-dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--color-accent);
}
.nav-list {
  display: flex;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: 0;
  list-style: none;
}
.nav-list a {
  display: inline-block;
  padding-block: 0.65rem;
  color: var(--color-muted);
  font-size: 0.875rem;
  text-decoration: none;
}
.nav-list a:hover {
  color: var(--color-text);
  text-decoration: underline;
}

/* Introduction */
.hero {
  padding-block: clamp(4rem, 8vw, 7rem) clamp(4rem, 7vw, 6rem);
}
.eyebrow, .section-number, .project-index, .email-label {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-muted);
}
.eyebrow {
  margin-bottom: var(--space-4);
  letter-spacing: 0.025em;
}
h1 {
  font-size: clamp(3rem, 7.5vw, 6.25rem);
  font-weight: 550;
  letter-spacing: -0.065em;
  line-height: 1.06;
}
.hero-lead {
  margin-top: var(--space-4);
  font-size: clamp(1.6rem, 3.3vw, 2.65rem);
  line-height: 1.25;
  letter-spacing: -0.04em;
  color: var(--color-accent);
}
.hero-description {
  margin-top: var(--space-3);
  color: var(--color-muted);
}

/* Shared sections and reusable project cards */
.section {
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-line);
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
h2 {
  font-size: 1.375rem;
  font-weight: 550;
  letter-spacing: -0.035em;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}
.project-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  min-height: 15rem;
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 3px;
  text-decoration: none;
}
.project-index {
  margin-bottom: var(--space-5);
}
h3 {
  font-size: 1.1875rem;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.025em;
}
.project-card p {
  margin-top: var(--space-1);
  max-width: 30ch;
  font-size: 0.9375rem;
  color: var(--color-muted);
}
a.project-card {
  transition: border-color 160ms ease;
}
a.project-card:hover {
  border-color: var(--color-accent);
}
.text-section {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-6);
  padding-block: var(--space-6);
}
.text-section .section-heading {
  align-items: baseline;
  margin-bottom: 0;
}
.section-copy {
  max-width: 42ch;
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  line-height: 1.6;
  letter-spacing: -0.02em;
}
address {
  font-style: normal;
}
.contact-name {
  margin-bottom: var(--space-2);
}
.email-label {
  display: block;
  margin-bottom: 0.25rem;
}
.email-link {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
}
.site-footer {
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-small);
  color: var(--color-muted);
}

/* Error page */
.error-page {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}
.error-page main {
  flex: 1;
}
.error-page h1 {
  font-size: clamp(2.75rem, 6vw, 5rem);
}
.back-link {
  display: inline-block;
  margin-top: var(--space-4);
}

/* Smaller screens and motion preferences */
@media (max-width: 52rem) {
  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .text-section {
    gap: var(--space-4);
  }
}
@media (max-width: 36rem) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-1);
    padding-block: var(--space-3);
  }
  .nav-list {
    gap: var(--space-4);
  }
  .project-grid, .text-section {
    grid-template-columns: 1fr;
  }
  .project-card {
    min-height: 13rem;
  }
  .text-section {
    padding-block: var(--space-5);
    gap: var(--space-3);
  }
  .eyebrow {
    font-size: 0.75rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  a.project-card {
    transition: none;
  }
}