/* ==========================================================================
   Nicholas Everett portfolio
   Tokens mirror the Figma "tokens" collection one to one.
   Change a value here and it changes everywhere, same as in Figma.
   ========================================================================== */

:root {
  /* Colour */
  --colour-ground:          #FAFAF9;
  --colour-surface:         #F1F1EF;
  --colour-art-placeholder: #D8D8D5;
  --colour-border:          #E2E2DF;
  --colour-text-secondary:  #57575A;
  --colour-text-primary:    #18181B;
  --colour-accent:          #5747A6;

  /* Spacing, 4px base */
  --space-xxs: 4px;
  --space-xs:  8px;
  --space-sm:  12px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;

  /* Type. Japanese later: add Noto Sans JP to the stack and the ramp still holds. */
  --font-sans: "Noto Sans", "Noto Sans JP", system-ui, -apple-system, sans-serif;

  --type-display:      56px;
  --type-h2:           32px;
  --type-card-title:   26px;
  --type-card-title-s: 18px;
  --type-lead:         22px;
  --type-body:         16px;
  --type-small:        14px;
  --type-chip:         13px;
  --type-caption:      12px;

  /* Line heights sized for Japanese from the start, so strings can swap
     without the layout tightening up. */
  --leading-tight: 1.2;
  --leading-snug:  1.35;
  --leading-body:  1.65;

  /* Layout */
  --wrap-max: 1312px;
  --spine-width: 80px;
}

/* ========================= Reset ========================= */

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--colour-ground);
  color: var(--colour-text-primary);
  font-family: var(--font-sans);
  font-size: var(--type-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; line-height: var(--leading-snug); }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--colour-accent);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: var(--space-3xl);
}

.skip-link {
  position: absolute;
  left: -9999px;
}
.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
  z-index: 10;
  background: var(--colour-text-primary);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

/* ========================= Header ========================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--colour-ground) 90%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--colour-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-block: var(--space-md);
}

.wordmark {
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
}

.site-nav ul {
  display: flex;
  gap: var(--space-xl);
}

.site-nav a {
  font-size: var(--type-small);
  font-weight: 500;
  color: var(--colour-text-secondary);
  text-decoration: none;
}
.site-nav a:hover { color: var(--colour-text-primary); }

.lang-switch { margin-left: var(--space-xl); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: var(--space-xxs);
  background: none;
  border: 0;
  padding: var(--space-xs);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 1px;
  background: var(--colour-text-primary);
}

/* ========================= Hero ========================= */

.hero-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-3xl);
  padding-block: var(--space-4xl);
}

.hero-text { display: grid; gap: var(--space-lg); }

h1 {
  font-size: var(--type-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

.lead {
  font-size: var(--type-lead);
  color: var(--colour-text-secondary);
}

.proof-points { display: grid; gap: var(--space-xs); }

.hero-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* Decorative crossfade. Stacked images, one visible at a time. */
.hero-art {
  position: relative;
  width: 640px;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--colour-art-placeholder);
}
.hero-art img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.6s ease-in-out;
}
.hero-art img.is-active { opacity: 1; }

/* ========================= Buttons ========================= */

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  font-size: var(--type-small);
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s ease;
}
.btn:hover { opacity: 0.85; }

.btn-primary { background: var(--colour-text-primary); color: #fff; }
.btn-secondary { background: var(--colour-surface); color: var(--colour-text-primary); }

.link-cta {
  align-self: start;
  font-size: var(--type-small);
  font-weight: 600;
  color: var(--colour-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ========================= Sections ========================= */

.section { padding-block: var(--space-3xl); }
.section h2 {
  font-size: var(--type-h2);
  font-weight: 600;
  margin-bottom: var(--space-xl);
}

/* ========================= Work: year spine + cards ========================= */

.card-list { display: grid; gap: var(--space-lg); }

/* The spine: a year label in a fixed gutter with a hairline running down it.
   The label is content, not decoration, so it lives in a data attribute
   rendered via ::before rather than being faked with a background image. */
.row {
  display: grid;
  grid-template-columns: var(--spine-width) 1fr;
  gap: var(--space-lg);
}
.row::before {
  content: attr(data-spine);
  font-size: var(--type-small);
  font-weight: 500;
  color: var(--colour-text-secondary);
  padding-top: var(--space-lg);
  padding-right: var(--space-sm);
  border-right: 1px solid var(--colour-border);
}

/* Flush rows: same card, no year spine gutter. Used by the Technical work
   section, which is not ordered by release date so a year spine would imply
   a sequence that is not there. */
.card-list-flush .row-flush {
  grid-template-columns: 1fr;
  gap: 0;
}
.card-list-flush .row-flush::before { content: none; display: none; }

.card {
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-md);
  background: var(--colour-ground);
  display: grid;
  gap: var(--space-xl);
}

.card-art {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--colour-art-placeholder);
}
.card-art img { width: 100%; height: 100%; object-fit: cover; }

.card-body { display: grid; gap: var(--space-sm); align-content: start; }

.card-full {
  grid-template-columns: 320px 1fr;
  padding: var(--space-lg);
}
.card-full .card-art { aspect-ratio: 16 / 9; }
.card-full h3 { font-size: var(--type-card-title); font-weight: 600; }

.card-compact {
  grid-template-columns: 160px 1fr;
  gap: var(--space-lg);
  padding: var(--space-md);
  align-items: center;
}
.card-compact .card-art { aspect-ratio: 16 / 9; }
.card-compact h3 { font-size: var(--type-card-title-s); font-weight: 600; }
.card-compact .card-body { gap: var(--space-xs); }

/* Meta chips: role, team, platform, year. Role first, always. */
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.meta li {
  background: var(--colour-surface);
  border-radius: var(--radius-sm);
  padding: var(--space-xxs) 10px;
  font-size: var(--type-chip);
  font-weight: 500;
}

.outcome { font-weight: 500; }
.card-compact .outcome { font-size: var(--type-small); font-weight: 400; color: var(--colour-text-secondary); }
.contribution { color: var(--colour-text-secondary); font-size: 15px; }

.card-full .btn { justify-self: start; margin-top: var(--space-xxs); }

/* ========================= Leadership ========================= */

.leadership { background: var(--colour-surface); }

.panel {
  background: #fff;
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-sm);
}
.panel h3 { font-size: var(--type-card-title); font-weight: 600; }

/* ========================= Recognition ========================= */

.laurels { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.laurels li {
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-md);
  font-size: var(--type-small);
  font-weight: 500;
}

/* ========================= About ========================= */

.about-inner {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.headshot {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--colour-art-placeholder);
  aspect-ratio: 1;
}
.headshot img { width: 100%; height: 100%; object-fit: cover; }
.about-text { display: grid; gap: var(--space-md); }

/* ========================= Footer ========================= */

.site-footer {
  background: var(--colour-text-primary);
  color: #fff;
  padding-block: var(--space-3xl) var(--space-2xl);
}
.site-footer h2 {
  font-size: var(--type-h2);
  font-weight: 600;
  margin-bottom: var(--space-lg);
}
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xl);
  margin-bottom: var(--space-lg);
}
.contact-links a {
  font-size: var(--type-small);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}
.contact-links a:hover { border-bottom-color: #fff; }

.colophon {
  font-size: var(--type-caption);
  color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   Breakpoints
   1024: art shrinks, padding tightens.
   768:  hero stacks, nav collapses. Year spine survives.
   480:  single column cards, spine becomes an inline label.
   ========================================================================== */

@media (max-width: 1024px) {
  :root { --type-display: 44px; --wrap-max: 100%; }
  .wrap { padding-inline: var(--space-xl); }
  .hero-art { width: 100%; }
  .hero-inner { grid-template-columns: 1fr 1fr; }
  .card-full { grid-template-columns: 240px 1fr; gap: var(--space-lg); }
}

@media (max-width: 768px) {
  :root { --type-display: 36px; --type-h2: 26px; --spine-width: 64px; }

  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--colour-ground);
    border-bottom: 1px solid var(--colour-border);
    padding: var(--space-md) var(--space-xl) var(--space-lg);
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; gap: var(--space-md); }
  .site-nav a { font-size: var(--type-body); }

  .hero-inner {
    grid-template-columns: 1fr;
    padding-block: var(--space-2xl);
  }
  /* Art below the words on small screens: the positioning line leads. */
  .hero-art { order: 2; aspect-ratio: 16 / 10; }

  .about-inner { grid-template-columns: 1fr; gap: var(--space-lg); }
  .headshot { width: 160px; }

  .contact-links { gap: var(--space-md); flex-direction: column; }
}

@media (max-width: 480px) {
  .wrap { padding-inline: var(--space-md); }

  /* Spine collapses to a label above each card rather than a gutter. */
  .row { grid-template-columns: 1fr; gap: var(--space-xs); }
  .row::before {
    padding: 0;
    border-right: 0;
    padding-top: var(--space-md);
  }
  .row:not([data-spine])::before { display: none; }

  .card-full,
  .card-compact {
    grid-template-columns: 1fr;
    padding: var(--space-md);
    gap: var(--space-md);
    align-items: stretch;
  }
  .card-full .card-art,
  .card-compact .card-art { aspect-ratio: 16 / 9; }
  .card-full h3 { font-size: 20px; }
  .card-full .btn { justify-self: stretch; text-align: center; padding-block: var(--space-sm); }
}

/* Respect the user's motion preference. The crossfade is decorative,
   so switching it off costs nothing. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}