/* ==========================================================================
   Marc'Antonio Lopez — portfolio
   site.css · base, layout and components
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--selection-bg);
  color: var(--selection-fg);
}

h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  font-weight: 500;
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

a {
  color: inherit;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

/* Brand logo ---------------------------------------------------------------- */

.logo {
  display: inline-block;
  width: auto;
  height: 28px;
  max-width: 130px;
  vertical-align: middle;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Layout ------------------------------------------------------------------ */

.wrap {
  width: min(calc(100% - (var(--gutter) * 2)), var(--container));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-y);
  border-top: 1px solid var(--border);
}

.section-grid {
  display: grid;
  grid-template-columns: var(--label-col) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.section-label {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.4;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--fg-muted);
}

.section-label .mark {
  width: 5px;
  height: 5px;
  flex: none;
  background: var(--accent);
  transform: translateY(-2px);
}

.section-label .key {
  color: var(--fg);
}

.section-title {
  font-size: var(--text-2xl);
  letter-spacing: -0.024em;
  margin-bottom: var(--space-3);
}

.section-note {
  max-width: 58ch;
  color: var(--fg-secondary);
  font-size: var(--text-base);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--fg-muted);
}

.eyebrow .mark {
  width: 5px;
  height: 5px;
  flex: none;
  background: var(--accent);
}

.meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--fg);
  color: var(--bg);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  left: var(--gutter);
  top: 0.75rem;
}

/* Header ------------------------------------------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.012em;
  color: var(--fg);
  white-space: nowrap;
}

.brand .brand-role {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 1.75rem);
}

.nav a {
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--fg-secondary);
  transition: color var(--dur-fast) var(--ease-out);
}

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

.nav a[aria-current="page"],
.nav a[aria-current="true"] {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 6px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--fg-secondary);
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.icon-btn:hover {
  background: var(--btn-ghost-hover-bg);
  border-color: var(--fg-muted);
  color: var(--fg);
}

.icon-btn svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

[data-theme="dark"] .icon-moon,
:root:not([data-theme="dark"]) .icon-sun {
  display: none;
}

/* Icons --------------------------------------------------------------- */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: currentColor;
}
.icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon--sm svg {
  width: 14px;
  height: 14px;
  stroke-width: 1.3;
}
.icon--md svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.5;
}
.icon--accent {
  color: var(--accent);
}
.icon--muted {
  color: var(--fg-muted);
}

.menu {
  display: none;
  position: relative;
}

.menu summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--fg-secondary);
  padding: 0.35rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.menu summary::-webkit-details-marker {
  display: none;
}

.menu summary:hover {
  color: var(--fg);
}

.menu summary .menu-glyph {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
}

.menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.9rem);
  min-width: 12rem;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
}

.menu-panel a {
  padding: 0.6rem 0.7rem;
  font-size: 0.9375rem;
  text-decoration: none;
  color: var(--fg-secondary);
  border-radius: var(--radius-xs);
}

.menu-panel a:hover {
  background: var(--bg-subtle);
  color: var(--fg);
}

/* Hero -------------------------------------------------------------------- */

.hero {
  padding-top: clamp(3rem, 8vw, 6.5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.hero .eyebrow {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.hero-name {
  font-size: var(--text-display);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  font-weight: 500;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.hero-name .line {
  display: inline-block;
}

.hero-role {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.012em;
  max-width: 40ch;
}

.hero-org {
  margin-top: 0.35rem;
  font-size: var(--text-base);
  color: var(--fg-secondary);
  max-width: 46ch;
}

.hero-lede {
  margin-top: clamp(1.25rem, 2.5vw, 1.75rem);
  max-width: 58ch;
  font-size: clamp(1.0625rem, 1.5vw, 1.1875rem);
  line-height: 1.6;
  color: var(--fg-secondary);
}

.hero-lede strong {
  font-weight: 500;
  color: var(--fg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.75rem;
  margin-top: clamp(2rem, 3.5vw, 2.75rem);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 2rem);
  margin-top: clamp(2.75rem, 5vw, 4.5rem);
  padding-top: 1.1rem;
  border-top: 1px solid var(--border);
}

.fact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.4rem;
}

.fact-value {
  display: block;
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--fg-secondary);
}

/* Buttons & links --------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  height: 2.75rem;
  padding: 0 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.004em;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.btn .arrow {
  display: inline-block;
  font-family: var(--font-sans);
  transition: transform var(--dur-base) var(--ease-out);
}

.btn:hover .arrow {
  transform: translateX(3px);
}

.btn--primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
  border-color: var(--btn-primary-bg);
}

.btn--primary:hover {
  background: var(--btn-primary-bg-hover);
  border-color: var(--btn-primary-bg-hover);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--fg);
}

.btn--ghost:hover {
  background: var(--btn-ghost-hover-bg);
  border-color: var(--fg-muted);
}

.btn--quiet {
  background: transparent;
  border-color: transparent;
  color: var(--fg-secondary);
  padding-inline: 0.25rem;
}

.btn--quiet:hover {
  color: var(--fg);
}

.btn[aria-disabled="true"],
.btn:disabled {
  background: transparent;
  border-color: var(--disabled-border);
  color: var(--disabled-fg);
  cursor: not-allowed;
  pointer-events: none;
}

.action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 0.15rem;
  transition: color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.action .arrow {
  transition: transform var(--dur-base) var(--ease-out);
}

.action:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.action:hover .arrow {
  transform: translate(3px, -3px);
}

.action--neutral:hover .arrow {
  transform: translateX(3px);
}

a.inline-link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: text-decoration-color var(--dur-fast) var(--ease-out);
}

a.inline-link:hover {
  text-decoration-color: var(--accent);
}

/* Featured project -------------------------------------------------------- */

.featured {
  margin-bottom: clamp(3.5rem, 6vw, 5.5rem);
}

.featured .eyebrow {
  margin-bottom: 1.1rem;
}

.featured-title {
  font-size: var(--text-2xl);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.featured-sub {
  max-width: 58ch;
  color: var(--fg-secondary);
  font-size: var(--text-md);
  line-height: 1.55;
}

.featured-why {
  max-width: 60ch;
  margin-top: 0.85rem;
  font-size: 0.9375rem;
  color: var(--fg-muted);
}

.featured-why .m {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--fg-secondary);
  margin-right: 0.4rem;
}

/* Architecture figure ----------------------------------------------------- */

.figure {
  margin-top: clamp(1.75rem, 3.5vw, 2.5rem);
}

.arch {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  padding: clamp(1.1rem, 2.5vw, 1.75rem);
}

.arch-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--fg-muted);
}

.arch-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 1.5rem 8rem 1.5rem minmax(0, 1fr);
  align-items: center;
  gap: 0.5rem;
}

.arch-col-title {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.55rem;
}

.arch-stack {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.node {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  background: var(--bg);
  padding: 0.42rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.35;
  color: var(--fg-secondary);
}

.node--end {
  border-style: dashed;
  background: transparent;
}

.node--core {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  align-items: center;
  text-align: center;
  padding: 0.9rem 0.5rem;
}

.node--core .node-sub {
  font-size: 0.5938rem;
  color: var(--fg-muted);
}

.arch-arrow {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--fg-muted);
}

.arch-caption {
  margin-top: 1.1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--fg-muted);
}

.arch-caption .fig {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-secondary);
  margin-right: 0.35rem;
}

/* Metrics ----------------------------------------------------------------- */

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--border);
  margin-top: 1.75rem;
}

.metric {
  padding: 1.1rem 1.25rem 1.15rem 1.25rem;
}

.metric + .metric {
  border-left: 1px solid var(--border);
}

.metric:first-child {
  padding-left: 0;
}

.metric-value {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  color: var(--fg);
}

.metric-label {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.metrics-note {
  margin-top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
}

/* Featured body ----------------------------------------------------------- */

.featured-body {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: clamp(2rem, 4vw, 3rem);
}

.block-title {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}

.block + .block {
  margin-top: 1.75rem;
}

.aside-subhead {
  margin-top: 1.75rem;
}

.block p {
  max-width: 60ch;
  color: var(--fg-secondary);
}

.kv {
  border-top: 1px solid var(--border);
}

.kv-row {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.kv dt {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--fg-muted);
  padding-top: 0.15rem;
}

.kv dd {
  color: var(--fg-secondary);
}

.featured-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* Project list ------------------------------------------------------------ */

.list-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.list-heading h3 {
  font-size: 1.125rem;
  letter-spacing: -0.012em;
}

.project-list {
  list-style: none;
}

.project-row {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1.05fr) minmax(0, 1.5fr) 10.5rem 1.25rem;
  align-items: baseline;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  padding: 1.35rem 0.75rem;
  margin-inline: -0.75rem;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-xs);
  transition: background-color var(--dur-fast) var(--ease-out);
}

.project-row:hover {
  background: var(--bg-subtle);
}

.project-row:hover .project-name {
  color: var(--accent);
}

.project-row:hover .project-arrow {
  transform: translate(3px, -3px);
  color: var(--accent);
}

.project-index {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
}

.project-name {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.4;
  transition: color var(--dur-fast) var(--ease-out);
}

.project-desc {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--fg-secondary);
}

.project-meta {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  line-height: 1.5;
}

.project-arrow {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  transition: transform var(--dur-base) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

/* Experience / education -------------------------------------------------- */

.entry {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: 1.4rem 0;
  border-top: 1px solid var(--border);
}

.entry:first-of-type {
  border-top: 0;
  padding-top: 0.25rem;
}

.entry-date {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
  padding-top: 0.2rem;
}

.entry-role {
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.entry-org {
  margin-top: 0.2rem;
  font-size: 0.875rem;
  color: var(--fg-secondary);
}

.entry-desc {
  margin-top: 0.65rem;
  max-width: 64ch;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--fg-secondary);
}

.entry-tags {
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.subhead {
  margin-top: clamp(2.5rem, 4.5vw, 3.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-strong);
  font-size: 1.125rem;
  letter-spacing: -0.012em;
  margin-bottom: 0.75rem;
}

.grade {
  display: inline-block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--fg-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 0.15rem 0.4rem;
}

.entry-thesis {
  margin-top: 0.55rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--fg-muted);
  max-width: 60ch;
}

/* Profile ----------------------------------------------------------------- */

.profile-lede {
  font-size: clamp(1.125rem, 1.9vw, 1.375rem);
  line-height: 1.55;
  letter-spacing: -0.012em;
  max-width: 34ch;
  margin-bottom: 1.5rem;
}

.prose-block p {
  max-width: 64ch;
  color: var(--fg-secondary);
}

.prose-block p + p {
  margin-top: 1rem;
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: clamp(2rem, 4vw, 2.75rem);
}

.stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(2.5rem, 4.5vw, 3.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.stack-group dt {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.45rem;
}

.stack-group dd {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--fg-secondary);
  max-width: 40ch;
}

.credential-list {
  list-style: none;
  border-top: 1px solid var(--border);
}.credential-list li {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--fg-secondary);
}

.credential-list .y {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
}

/* Contact ----------------------------------------------------------------- */

.contact-mail {
  display: inline-block;
  font-size: clamp(1.5rem, 3.6vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 0.1em;
  transition: color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
  overflow-wrap: anywhere;
}

.contact-mail:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.contact-note {
  margin-top: 1rem;
  font-size: 0.9375rem;
  color: var(--fg-muted);
  max-width: 46ch;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 4vw, 2.75rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  list-style: none;
}

.contact-links a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  white-space: nowrap;
  font-size: 0.9375rem;
  text-decoration: none;
  color: var(--fg-secondary);
  transition: color var(--dur-fast) var(--ease-out);
}

.contact-links a:hover {
  color: var(--accent);
}

.contact-links .handle {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
}

/* Footer ------------------------------------------------------------------ */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: clamp(2rem, 4vw, 2.75rem);
}

.footer-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-note {
  font-size: 0.8125rem;
  color: var(--fg-muted);
}

.footer-links {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  font-size: 0.8125rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--fg-secondary);
}

.footer-links a:hover {
  color: var(--accent);
}

/* Project detail page ----------------------------------------------------- */

.page-hero {
  padding-top: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.back-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  text-decoration: none;
  margin-bottom: clamp(2rem, 4vw, 3rem);
  transition: color var(--dur-fast) var(--ease-out);
}

.back-link:hover {
  color: var(--accent);
}

.page-title {
  font-size: clamp(2.25rem, 4.8vw, 3.5rem);
  line-height: 1.03;
  letter-spacing: -0.035em;
  margin-top: 0.9rem;
  margin-bottom: 1.1rem;
}

.page-lede {
  max-width: 56ch;
  font-size: clamp(1.0625rem, 1.7vw, 1.25rem);
  line-height: 1.6;
  color: var(--fg-secondary);
}

.page-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: 1.1rem;
  border-top: 1px solid var(--border);
}

.article {
  max-width: 46rem;
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.prose h2 {
  font-size: 1.375rem;
  letter-spacing: -0.018em;
  margin-top: clamp(2.5rem, 4.5vw, 3.25rem);
  margin-bottom: 0.75rem;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p {
  color: var(--fg-secondary);
  max-width: 68ch;
}

.prose p + p {
  margin-top: 0.9rem;
}

.prose h3 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.prose li strong {
  color: var(--fg);
  font-weight: 500;
}

.prose ul {
  list-style: none;
  margin-top: 1rem;
  border-top: 1px solid var(--border);
}

.prose ul li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.15rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--fg-secondary);
  max-width: 68ch;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 5px;
  height: 1px;
  background: var(--fg-muted);
}

.prose .figure {
  margin-top: 2rem;
}

.detail-metrics {
  margin-top: 1.25rem;
}

.note {
  margin-top: 1.25rem;
  padding: 0.85rem 0 0.85rem 1rem;
  border-left: 1px solid var(--border-strong);
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--fg-muted);
  max-width: 60ch;
}

.next-project {
  border-top: 1px solid var(--border);
  padding-block: clamp(1.75rem, 3.5vw, 2.5rem);
}

.next-project .eyebrow {
  margin-bottom: 0.75rem;
}

.next-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.next-link:hover {
  color: var(--accent);
}

.next-link .arrow {
  transition: transform var(--dur-base) var(--ease-out);
}

.next-link:hover .arrow {
  transform: translate(3px, -3px);
}

/* Design system page ------------------------------------------------------ */

.ds-section {
  display: grid;
  grid-template-columns: var(--label-col) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-block: var(--section-y);
  border-top: 1px solid var(--border);
}

.ds-body {
  min-width: 0;
}

.ds-body h2 {
  font-size: var(--text-2xl);
  letter-spacing: -0.024em;
  margin-bottom: 0.6rem;
}

.ds-lede {
  max-width: 60ch;
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--fg-secondary);
}

.ds-note {
  max-width: 62ch;
  margin-top: 1.25rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--fg-muted);
}

.ds-note code,
.rule-row code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.08em 0.3em;
  border-radius: 2px;
  background: var(--bg-subtle);
  color: var(--fg-secondary);
  white-space: nowrap;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.principle {
  padding: 1.15rem 1.5rem 1.35rem 0;
}

.principle + .principle {
  border-left: 1px solid var(--border);
  padding-left: 1.5rem;
}

.principle-index {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.principle h3 {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.012em;
  margin: 0.55rem 0 0.4rem;
}

.principle p {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--fg-secondary);
}

/* Accent selector */

.accent-field {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.accent-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.accent-card {
  position: relative;
  cursor: pointer;
}

.accent-card input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.accent-inner {
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
}

.accent-card:hover .accent-inner {
  border-color: var(--border-strong);
}

.accent-card input:checked + .accent-inner {
  border-color: var(--fg);
  box-shadow: inset 0 0 0 1px var(--fg);
}

.accent-card input:focus-visible + .accent-inner {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.accent-swatch {
  display: block;
  height: clamp(3.5rem, 7vw, 5rem);
}



.accent-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.6rem 0.7rem;
  border-top: 1px solid var(--border);
}

.accent-name {
  font-size: 0.8125rem;
  font-weight: 500;
}

.accent-hex {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.accent-dark {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0 0.7rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.5938rem;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
}

.accent-dark i {
  width: 11px;
  height: 11px;
  border-radius: 2px;
  display: inline-block;
}

/* Theme comparison */

.ds-theme-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2rem;
}

.theme-demo {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.05rem 1.15rem;
}

.demo-label {
  font-family: var(--font-mono);
  font-size: 0.5938rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.demo-title {
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0.9rem 0 0.35rem;
}

.demo-text {
  flex: 1;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--fg-secondary);
  max-width: 34ch;
}

.demo-foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.1rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--border);
}

.demo-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
}

.demo-meta {
  font-family: var(--font-mono);
  font-size: 0.5938rem;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
}

/* Typography */

.specimen {
  border-block: 1px solid var(--border);
  padding: 1.5rem 0 1.6rem;
}

.specimen-display {
  font-size: clamp(2.5rem, 5.4vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.038em;
  font-weight: 500;
}

.specimen-caption {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.specimen-row {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 1.25rem;
  align-items: baseline;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}

.specimen-row:last-child {
  border-bottom: 0;
}

.specimen-key {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.specimen-value {
  color: var(--fg-secondary);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.specimen-value--mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  color: var(--fg-secondary);
}

.type-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
}

.type-table th {
  font-family: var(--font-mono);
  font-size: 0.5938rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  text-align: left;
  padding: 0 0 0.5rem;
  border-bottom: 1px solid var(--border);
}

.type-table td {
  padding: 0.75rem 0.75rem 0.75rem 0;
  border-bottom: 1px solid var(--border);
  vertical-align: baseline;
  color: var(--fg-secondary);
  font-size: 0.8125rem;
}

.type-table td:first-child {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.type-table .type-sample {
  color: var(--fg);
  line-height: 1.1;
}

.type-sample--display { font-size: 1.75rem; letter-spacing: -0.03em; }
.type-sample--heading { font-size: 1.25rem; letter-spacing: -0.02em; }
.type-sample--body { font-size: 0.9375rem; }
.type-sample--label { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-muted); }

/* Space & layout */

.scale-list {
  border-top: 1px solid var(--border);
}

.scale-row {
  display: grid;
  grid-template-columns: 3.5rem 3.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
}

.scale-token {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--fg-muted);
}

.scale-px {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--fg-secondary);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.space-bar {
  display: block;
  height: 6px;
  background: var(--accent);
  opacity: 0.8;
}

.space-bar[data-step="1"] { width: 4px; }
.space-bar[data-step="2"] { width: 8px; }
.space-bar[data-step="3"] { width: 12px; }
.space-bar[data-step="4"] { width: 16px; }
.space-bar[data-step="5"] { width: 24px; }
.space-bar[data-step="6"] { width: 32px; }
.space-bar[data-step="7"] { width: 40px; }
.space-bar[data-step="8"] { width: 48px; }
.space-bar[data-step="9"] { width: 64px; }
.space-bar[data-step="10"] { width: 80px; }
.space-bar[data-step="11"] { width: 96px; }
.space-bar[data-step="12"] { width: 128px; }

.grid-demo {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 8px;
  margin-top: 1.5rem;
  padding: 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
}

.grid-demo span {
  height: 2.5rem;
  border: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: 2px;
}

.layout-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 1.5rem;
  margin-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.layout-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--fg-secondary);
}

.layout-fact dt {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.layout-fact dd {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--fg-secondary);
  text-align: right;
}

/* Surfaces */

.radius-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.radius-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  aspect-ratio: 1;
  border: 1px solid var(--border-strong);
  background: var(--bg-subtle);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--fg-muted);
}

.radius-card span:last-child {
  color: var(--fg-secondary);
}

.r-xs { border-radius: var(--radius-xs); }
.r-sm { border-radius: var(--radius-sm); }
.r-md { border-radius: var(--radius-md); }
.r-lg { border-radius: var(--radius-lg); }
.r-pill { border-radius: var(--radius-pill); }

.rule-list {
  margin-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.rule-row {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--fg-secondary);
}

.rule-row dt {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* Components */

.demo-label-head {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.65rem;
}

.demo-block {
  margin-top: 2rem;
}

.demo-block:first-of-type {
  margin-top: 0;
}

.component-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}

.demo-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  background: var(--bg);
}

.demo-panel--subtle {
  background: var(--bg-subtle);
}

/* Carousel: Cohere-style feature card -------------------------------------- */

.carousel {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.carousel-body {
  flex: 1;
  min-width: 0;
}

.carousel-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin: 0 0 0.6rem 0;
  padding: 0.2rem 0.55rem;
  background: var(--accent-tint);
  border-radius: var(--radius-pill);
}

.carousel-heading {
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 700;
  line-height: var(--leading-heading);
  color: var(--fg);
  margin: 0 0 0.7rem 0;
  letter-spacing: var(--tracking-heading);
}

.carousel-description {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--fg-secondary);
  margin: 0 0 1.1rem 0;
  max-width: 30ch;
}

.carousel-cta {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--fg);
  padding-bottom: 0.1rem;
  transition: color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.carousel-cta:hover {
  color: var(--accent-strong);
  border-color: var(--accent-strong);
}

.carousel-cta .arrow {
  margin-left: 0.35rem;
}

.carousel-image {
  position: relative;
  width: clamp(14rem, 26vw, 20rem);
  height: clamp(12rem, 24vw, 16rem);
  flex: 0 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
}

.carousel-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 48rem) {
  .carousel {
    flex-direction: column;
    padding: 1.25rem;
    gap: 1rem;
  }

  .carousel-image {
    width: 100%;
    height: clamp(10rem, 35vw, 14rem);
  }
}

/* Images ------------------------------------------------------------------- */

.image-featured {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-subtle);
}

.image-featured--wide {
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.image-featured--square {
  aspect-ratio: 1;
  object-fit: cover;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.image-grid img {
  width: 100%;
  height: 16rem;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
}

.logo-strip {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}

.logo-strip::-webkit-scrollbar {
  display: none;
}

.logo-strip img {
  height: 3rem;
  width: auto;
  filter: grayscale(1);
  opacity: 0.55;
  transition: filter var(--dur-base) var(--ease-out),
    opacity var(--dur-base) var(--ease-out);
}

.logo-strip img:hover {
  filter: grayscale(0);
  opacity: 1;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.logo-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  padding: 0.75rem;
  text-align: center;
}

.logo-card img {
  height: 2.75rem;
  width: auto;
  filter: grayscale(1);
  opacity: 0.6;
  margin: 0 auto 0.5rem;
  transition: filter var(--dur-base) var(--ease-out),
    opacity var(--dur-base) var(--ease-out);
}

.logo-card img:hover {
  filter: grayscale(0);
  opacity: 1;
}

.logo-card p {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  line-height: 1.4;
}

@media (max-width: 900px) {
  .image-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .image-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .image-grid img {
    height: 12rem;
  }

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

.demo-mini-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.9rem;
}

.demo-mini-brand {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.012em;
}

.demo-mini-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--fg-secondary);
}

.demo-mini-nav span:first-child {
  color: var(--fg);
  border-bottom: 1px solid var(--accent);
}

.demo-row {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.6rem 0.25rem;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: var(--fg);
}

.demo-row:last-child {
  border-bottom: 0;
}

.demo-row .row-index {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--fg-muted);
}

.demo-row .row-name {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.008em;
}

.demo-row .row-arrow {
  color: var(--fg-muted);
  font-size: 0.75rem;
}

.demo-row:hover .row-name {
  color: var(--accent);
}

.demo-meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-block: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* States */

.state-table {
  width: 100%;
  border-collapse: collapse;
}

.state-table th {
  font-family: var(--font-mono);
  font-size: 0.5938rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  text-align: left;
  padding: 0 0.75rem 0.55rem 0;
  border-bottom: 1px solid var(--border);
}

.state-table td {
  padding: 0.75rem 0.75rem 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--fg-secondary);
  vertical-align: top;
}

.state-table td:first-child {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg);
  white-space: nowrap;
}

.focus-demo {
  display: inline-block;
  margin-top: 0.75rem;
}

/* Responsive -------------------------------------------------------------- */

@media (max-width: 1020px) {
  .project-row {
    grid-template-columns: 2rem minmax(0, 1.2fr) minmax(0, 1.5fr) 1.25rem;
    grid-template-areas:
      "index name name arrow"
      ".     desc desc desc"
      ".     meta meta meta";
    row-gap: 0.4rem;
  }

  .project-index { grid-area: index; }
  .project-name { grid-area: name; }
  .project-desc { grid-area: desc; }
  .project-meta { grid-area: meta; }
  .project-arrow { grid-area: arrow; }

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

@media (max-width: 900px) {
  .section-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
  }

  .section-label {
    padding-top: 0;
  }

  .featured-body,
  .profile-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .arch-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.5rem;
  }

  .arch-arrow {
    transform: rotate(90deg);
    padding-block: 0.15rem;
  }

  .arch-col {
    margin-bottom: 0.5rem;
  }

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

  .metric:nth-child(3) {
    border-left: 0;
    padding-left: 0;
  }

  .metric:nth-child(n + 3) {
    border-top: 1px solid var(--border);
  }

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

  .ds-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
  }
}

@media (max-width: 820px) {
  .nav--primary,
  .brand .brand-role {
    display: none;
  }

  .menu {
    display: block;
  }
}

@media (max-width: 680px) {
  .hero-facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
  }

  .hero-name .line {
    display: inline;
  }

  .entry {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.4rem;
  }

  .entry-date {
    padding-top: 0;
  }

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

  .contact-links {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
  }

  .metric {
    padding-inline: 1rem;
  }

  .kv-row {
    grid-template-columns: 5.5rem minmax(0, 1fr);
  }

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
  }

  .principle-grid,
  .accent-grid,
  .ds-theme-grid,
  .layout-facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .principle {
    padding-block: 1.15rem;
  }

  .principle + .principle {
    border-left: 0;
    border-top: 1px solid var(--border);
    padding-left: 0;
  }

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

  .specimen-row,
  .rule-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.3rem;
  }

  .demo-mini-header {
    flex-wrap: wrap;
    row-gap: 0.4rem;
  }

  .demo-mini-nav {
    flex-wrap: wrap;
    gap: 0.4rem 0.9rem;
  }

  .type-table th:nth-child(3),
  .type-table td:nth-child(3) {
    display: none;
  }
}

@media (max-width: 420px) {
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.9rem;
  }

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

  .metric {
    padding-left: 0;
    padding-right: 0;
  }

  .metric + .metric {
    border-left: 0;
    border-top: 1px solid var(--border);
  }
}

/* Motion preferences ------------------------------------------------------ */

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

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