/* ==========================================================================
   Jemis Goti — site styles
   Editorial, minimal, technical. Light + dark themes via [data-theme].
   ========================================================================== */

:root {
  --bg: #f4f3ee;
  --bg-tint: #ecebe4;
  --surface: #ffffff;
  --surface-2: #f8f7f3;
  --ink: #141413;
  --ink-2: #3a3a36;
  --muted: #6b6a63;
  --line: #deddd5;
  --line-strong: #c9c7bd;
  --accent: #2f5bea;
  --accent-soft: rgba(47, 91, 234, 0.1);
  --on-ink: #f4f3ee;
  --success: #1f8a4c;
  --shadow: 0 1px 2px rgba(20, 20, 19, 0.04), 0 8px 24px -12px rgba(20, 20, 19, 0.12);
  --shadow-hover: 0 2px 4px rgba(20, 20, 19, 0.05), 0 18px 40px -18px rgba(20, 20, 19, 0.22);

  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Instrument Serif', ui-serif, Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --container: 1200px;
  --gutter: clamp(20px, 5vw, 48px);
  --radius: 20px;
  --radius-sm: 12px;
  --header-h: 72px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  color-scheme: light;
}

:root[data-theme='dark'] {
  --bg: #0e0e0d;
  --bg-tint: #141413;
  --surface: #181816;
  --surface-2: #1d1d1b;
  --ink: #f1f0ea;
  --ink-2: #cfcec6;
  --muted: #9a998f;
  --line: #2a2a27;
  --line-strong: #3a3a36;
  --accent: #7c9bff;
  --accent-soft: rgba(124, 155, 255, 0.14);
  --on-ink: #0e0e0d;
  --success: #5fcf8e;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 2px 4px rgba(0, 0, 0, 0.35), 0 18px 40px -18px rgba(0, 0, 0, 0.7);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #0e0e0d;
    --bg-tint: #141413;
    --surface: #181816;
    --surface-2: #1d1d1b;
    --ink: #f1f0ea;
    --ink-2: #cfcec6;
    --muted: #9a998f;
    --line: #2a2a27;
    --line-strong: #3a3a36;
    --accent: #7c9bff;
    --accent-soft: rgba(124, 155, 255, 0.14);
    --on-ink: #0e0e0d;
    --success: #5fcf8e;
    color-scheme: dark;
  }
}

/* Base ---------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
figure {
  margin: 0;
}

ul[role='list'],
ol[role='list'] {
  list-style: none;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font: inherit;
  color: inherit;
}

em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

code {
  font-family: var(--font-mono);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection {
  background: var(--accent);
  color: #fff;
}

main:focus {
  outline: none;
}

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--on-ink);
  border-radius: 999px;
  font-weight: 500;
}

.skip-link:focus {
  top: 12px;
}

.muted {
  color: var(--muted);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.icon {
  width: 1.05em;
  height: 1.05em;
  flex: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), background-color 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-right: auto;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--on-ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.site-nav ul {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}

.site-nav__link {
  display: block;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-2);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.site-nav__link:hover {
  color: var(--ink);
  background: var(--bg-tint);
}

.site-nav__link[aria-current='page'] {
  background: var(--ink);
  color: var(--on-ink);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.pill-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  background: var(--surface);
  transition: border-color 0.2s var(--ease);
}

.pill-link:hover {
  border-color: var(--line-strong);
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.icon-btn:hover {
  border-color: var(--line-strong);
}

.icon-btn:active {
  transform: scale(0.94);
}

.icon--moon,
[data-theme='dark'] .icon--sun,
.icon--close,
.is-open .icon--menu {
  display: none;
}

[data-theme='dark'] .icon--moon,
.is-open .icon--close {
  display: block;
}

.nav-toggle {
  display: none;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 500;
  font-size: 0.96rem;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--ink);
  color: var(--on-ink);
}

.btn--primary:hover {
  background: var(--accent);
  color: #fff;
}

.btn--primary .icon {
  transition: transform 0.2s var(--ease);
}

.btn--primary:hover .icon {
  transform: translateX(3px);
}

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

.btn--ghost:hover {
  background: var(--surface);
  border-color: var(--ink);
}

.text-link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

/* Tags ---------------------------------------------------------------- */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1;
  padding: 6px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--ink-2);
  white-space: nowrap;
}

.tags--quiet .tag {
  background: transparent;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--success);
}

.status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

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

.hero {
  padding-block: clamp(48px, 9vw, 112px) clamp(56px, 8vw, 104px);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.hero__eyebrow {
  margin-bottom: 28px;
}

.hero__title {
  font-size: clamp(2.7rem, 6.4vw, 5.4rem);
  line-height: 0.98;
  font-weight: 600;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.hero__title em {
  display: inline;
  font-size: 1.08em;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.hero__lead {
  margin-top: 28px;
  max-width: 34rem;
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--ink-2);
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

/* The stack figure: the "beyond the widget tree" signature */

.stack {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.stack__header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  padding: 2px 4px 16px;
}

.stack__layers {
  display: grid;
  gap: 8px;
}

.stack__layer {
  --i: 0;
  display: grid;
  grid-template-columns: 38px 1fr;
  grid-template-areas: 'depth name' 'depth detail';
  column-gap: 12px;
  align-items: center;
  padding: 14px 16px;
  margin-left: calc(var(--i) * 14px);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.stack__layer:nth-child(2) { --i: 1; }
.stack__layer:nth-child(3) { --i: 2; }
.stack__layer:nth-child(4) { --i: 3; }
.stack__layer:nth-child(5) { --i: 4; }

.stack__layer:first-child {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--on-ink);
}

.stack__layer:first-child .stack__detail,
.stack__layer:first-child .stack__depth {
  color: color-mix(in srgb, var(--on-ink) 65%, transparent);
  border-color: color-mix(in srgb, var(--on-ink) 25%, transparent);
}

.stack__layer:not(:first-child):hover {
  transform: translateX(-4px);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.stack__depth {
  grid-area: depth;
  display: grid;
  place-items: center;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.stack__name {
  grid-area: name;
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.stack__detail {
  grid-area: detail;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--muted);
  line-height: 1.5;
}

.stack__caption {
  margin-top: 18px;
  padding: 16px 4px 2px;
  border-top: 1px dashed var(--line-strong);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.22rem;
  line-height: 1.35;
  color: var(--ink-2);
}

/* Sections ------------------------------------------------------------ */

.section {
  padding-block: clamp(64px, 9vw, 120px);
}

.section--tinted {
  background: var(--bg-tint);
  border-block: 1px solid var(--line);
}

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

.section-head {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) auto;
  gap: 16px 40px;
  align-items: end;
  margin-bottom: clamp(36px, 5vw, 64px);
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.section-head__meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-self: start;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-head__index {
  color: var(--accent);
}

.section-head__eyebrow {
  color: var(--muted);
}

.section-head__title {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1.04;
  font-weight: 600;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.section-head__lead {
  margin-top: 16px;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.05rem;
  text-wrap: pretty;
}

.section-head__action {
  margin-bottom: 8px;
  white-space: nowrap;
}

/* Page hero (inner pages) --------------------------------------------- */

.page-hero {
  padding-block: clamp(56px, 9vw, 112px) clamp(40px, 6vw, 72px);
}

.page-hero__title {
  margin-top: 20px;
  max-width: 16ch;
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.page-hero__title em {
  color: var(--accent);
}

.page-hero__lead {
  margin-top: 24px;
  max-width: 42rem;
  font-size: clamp(1.05rem, 1.4vw, 1.18rem);
  color: var(--ink-2);
  text-wrap: pretty;
}

.page-hero--center {
  min-height: 60vh;
  display: grid;
  align-items: center;
}

/* Cards --------------------------------------------------------------- */

.card {
  position: relative;
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}

.card__label {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.stretched::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

/* Capabilities */

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

.capability {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(24px, 3vw, 36px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.25s var(--ease);
}

.capability:hover {
  background: var(--surface);
}

.capability__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}

.capability__title {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.capability__summary {
  color: var(--muted);
  margin-bottom: 8px;
}

.capability .tags {
  margin-top: auto;
}

/* Packages */

.package-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.package-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 250px;
}

.package-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.package-card--featured {
  grid-column: span 1;
}

.package-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--muted);
}

.package-card__category {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.package-card__name {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 1.18rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  word-break: break-word;
}

.package-card__name a:hover {
  color: var(--accent);
}

.package-card__tagline {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink-2);
}

.package-card__desc {
  color: var(--muted);
}

.package-card__footer {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: auto;
  padding-top: 12px;
}

.package-grid--detailed {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.package-grid--detailed .package-card {
  gap: 16px;
  padding: clamp(24px, 3vw, 36px);
}

.package-grid--detailed .package-card__name {
  font-size: 1.45rem;
}

.package-grid--detailed .package-card:hover {
  transform: none;
}

.badges {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 20px;
}

.badges img {
  height: 20px;
  width: auto;
  border-radius: 4px;
}

.checklist {
  display: grid;
  gap: 8px;
  font-size: 0.94rem;
  color: var(--ink-2);
}

.checklist li {
  position: relative;
  padding-left: 22px;
}

.checklist li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 10px;
  height: 1.5px;
  background: var(--accent);
}

.install {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 6px 6px 16px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--on-ink);
  font-size: 0.84rem;
  overflow: hidden;
}

.install code {
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.install__prompt {
  color: color-mix(in srgb, var(--on-ink) 50%, transparent);
}

.install__copy {
  position: relative;
  display: grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 8px;
  background: color-mix(in srgb, var(--on-ink) 10%, transparent);
  color: inherit;
  cursor: pointer;
}

.install__copy:hover {
  background: color-mix(in srgb, var(--on-ink) 20%, transparent);
}

.install__copied {
  position: absolute;
  right: 42px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  opacity: 0;
  transition: opacity 0.2s var(--ease);
  pointer-events: none;
}

.install__copy.is-copied .install__copied {
  opacity: 1;
}

/* Projects */

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

.project {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) 200px;
  gap: 24px 40px;
  padding-block: clamp(28px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.25s var(--ease);
}

.project__index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
  padding-top: 6px;
}

.project__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.project__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.project__title {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  transition: color 0.2s var(--ease);
}

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

.project__summary {
  max-width: 44rem;
  color: var(--ink-2);
  font-size: 1.05rem;
}

.project__links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding-top: 6px;
}

/* Engagements */

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.engagement {
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--ink-2);
}

.engagement__title {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

/* Writing */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

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

.article-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px 24px;
  padding-block: 24px;
  border-bottom: 1px solid var(--line);
}

.article-row__meta {
  grid-column: 1 / -1;
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
}

.article-row__platform::before {
  content: '·';
  margin-right: 16px;
}

.article-row__main {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.article-row__category {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.article-row__title {
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.article-row__arrow {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  align-self: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.25s var(--ease);
}

.article-row:hover .article-row__title {
  color: var(--accent);
}

.article-row:hover .article-row__arrow {
  background: var(--ink);
  color: var(--on-ink);
  border-color: var(--ink);
  transform: rotate(45deg);
}

.article-list--page .article-row {
  grid-template-columns: 220px minmax(0, 1fr) auto;
  padding-block: 32px;
}

.article-list--page .article-row__meta {
  grid-column: auto;
  flex-direction: column;
  gap: 4px;
  padding-top: 4px;
}

.article-list--page .article-row__platform::before {
  content: none;
}

.article-list--page .article-row__title {
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
}

/* Research */

.research {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.research__venue {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.research__title {
  margin-top: 12px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.research__summary {
  margin-top: 12px;
  color: var(--ink-2);
}

.pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.pipeline li {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.pipeline li:not(:last-child)::after {
  content: '→';
  margin: 0 -18px 0 14px;
  padding-right: 10px;
  color: var(--muted);
}

.pipeline li:not(:last-child) {
  margin-right: 22px;
}

.research__specs {
  display: grid;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.research__specs dt {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* About */

.story {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.story__item {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(28px, 4vw, 44px) clamp(0px, 3vw, 40px) clamp(28px, 4vw, 44px) 0;
  border-bottom: 1px solid var(--line);
}

.story__item:nth-child(even) {
  padding-left: clamp(0px, 3vw, 40px);
  border-left: 1px solid var(--line);
}

.story__index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
}

.story__title {
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.story__body {
  color: var(--ink-2);
  font-size: 1.05rem;
  max-width: 36rem;
}

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

.expertise__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 16px 40px;
  padding-block: 28px;
  border-bottom: 1px solid var(--line);
}

.expertise__row dt {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.expertise__title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.expertise__summary {
  color: var(--muted);
}

.expertise__row dd {
  align-self: center;
}

.background-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.background-grid .card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card--wide {
  grid-column: 1 / -1;
}

.background__primary {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.cert-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 40px;
}

.cert-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-block: 12px;
  border-bottom: 1px solid var(--line);
}

.cert-list__meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
  white-space: nowrap;
  padding-top: 3px;
}

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

.site-footer {
  background: var(--ink);
  color: var(--on-ink);
  padding-block: clamp(64px, 9vw, 112px) 32px;
}

.site-footer .eyebrow {
  color: color-mix(in srgb, var(--on-ink) 55%, transparent);
}

.footer-cta__title {
  margin-top: 20px;
  max-width: 18ch;
  font-size: clamp(2.3rem, 5.4vw, 4.4rem);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.footer-cta__lead {
  margin-top: 20px;
  max-width: 40rem;
  color: color-mix(in srgb, var(--on-ink) 70%, transparent);
  font-size: 1.05rem;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 48px;
}

.profile-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in srgb, var(--on-ink) 16%, transparent);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.profile-card:hover {
  background: color-mix(in srgb, var(--on-ink) 8%, transparent);
  border-color: color-mix(in srgb, var(--on-ink) 32%, transparent);
}

.profile-card__icon {
  width: 22px;
  height: 22px;
}

.profile-card__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.3;
}

.profile-card__label {
  font-weight: 600;
}

.profile-card__handle {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: color-mix(in srgb, var(--on-ink) 55%, transparent);
  overflow: hidden;
  text-overflow: ellipsis;
}

.profile-card__arrow {
  margin-left: auto;
  opacity: 0.6;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.profile-card:hover .profile-card__arrow {
  opacity: 1;
  transform: translate(2px, -2px);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 32px;
  margin-top: clamp(56px, 8vw, 96px);
  padding-top: 24px;
  border-top: 1px solid color-mix(in srgb, var(--on-ink) 14%, transparent);
  font-size: 0.88rem;
  color: color-mix(in srgb, var(--on-ink) 60%, transparent);
}

.footer-bottom ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-bottom a:hover {
  color: var(--on-ink);
}

.footer-bottom__built a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px 0 18px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--on-ink);
  font-size: 0.92rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.contact-btn:hover,
.contact-btn[aria-current='page'] {
  background: var(--accent);
  color: #fff;
}

.contact-btn .icon {
  transition: transform 0.2s var(--ease);
}

.contact-btn:hover .icon {
  transform: translateX(2px);
}

.btn--light {
  background: var(--on-ink);
  color: var(--ink);
}

.btn--light:hover {
  background: var(--accent);
  color: #fff;
}

.btn--outline-light {
  border-color: color-mix(in srgb, var(--on-ink) 28%, transparent);
  background: transparent;
  color: var(--on-ink);
  cursor: pointer;
}

.btn--outline-light:hover {
  background: color-mix(in srgb, var(--on-ink) 8%, transparent);
  border-color: color-mix(in srgb, var(--on-ink) 50%, transparent);
}

.copy-btn {
  cursor: pointer;
}

.copy-btn__done,
.copy-btn.is-copied .copy-btn__label {
  display: none;
}

.copy-btn.is-copied .copy-btn__done {
  display: inline;
}

.footer-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.footer-sub {
  margin-top: clamp(56px, 7vw, 88px);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: color-mix(in srgb, var(--on-ink) 55%, transparent);
}

.footer-sub + .profile-grid {
  margin-top: 16px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.contact-card {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(28px, 4vw, 44px);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--on-ink);
}

.contact-card__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: color-mix(in srgb, var(--on-ink) 55%, transparent);
}

.contact-card__email {
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  overflow-wrap: anywhere;
  transition: color 0.2s var(--ease);
}

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

.contact-card__note {
  max-width: 30rem;
  color: color-mix(in srgb, var(--on-ink) 70%, transparent);
}

.contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.contact-card__elsewhere {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid color-mix(in srgb, var(--on-ink) 14%, transparent);
}

.contact-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

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

.contact-info {
  display: grid;
  gap: 16px;
}

.numbered {
  display: grid;
  gap: 0;
}

.numbered li {
  display: flex;
  gap: 16px;
  padding-block: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
}

.numbered li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.numbered__index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  padding-top: 3px;
}

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

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease), background-color 0.25s var(--ease);
}

.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

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

@media (max-width: 1080px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .stack {
    max-width: 620px;
  }

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

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

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

  .section-head__meta {
    grid-column: 1 / -1;
    flex-direction: row;
    gap: 12px;
    padding-top: 0;
  }

  .project {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .project__links {
    grid-column: 2;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px 20px;
    padding-top: 0;
  }

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

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

  .engagement-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    position: static;
  }
}

@media (max-width: 860px) {
  :root {
    --header-h: 64px;
  }

  .nav-toggle {
    display: grid;
  }

  .pill-link {
    display: none;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    padding: 12px var(--gutter) 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
  }

  .is-open .site-nav {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .site-nav__link {
    padding: 16px 4px;
    border-radius: 0;
    border-bottom: 1px solid var(--line);
    font-size: 1.3rem;
    letter-spacing: -0.02em;
  }

  .site-nav__link:hover {
    background: transparent;
  }

  .site-nav__link[aria-current='page'] {
    background: transparent;
    color: var(--accent);
  }

  .package-grid--detailed,
  .story,
  .background-grid,
  .cert-list {
    grid-template-columns: 1fr;
  }

  .story__item,
  .story__item:nth-child(even) {
    padding-inline: 0;
    border-left: 0;
  }

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

  .article-list--page .article-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .article-list--page .article-row__meta {
    grid-column: 1 / -1;
    flex-direction: row;
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .package-grid,
  .capability-grid,
  .profile-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    grid-template-columns: 1fr;
  }

  .section-head__action {
    justify-self: start;
  }

  .hero__actions .btn,
  .footer-cta__actions .btn,
  .contact-card__actions .btn {
    flex: 1 1 auto;
  }

  .brand__name {
    display: none;
  }

  .stack {
    padding: 16px;
  }

  .stack__layer {
    margin-left: calc(var(--i) * 6px);
    padding: 12px;
  }

  .project {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .project__links {
    grid-column: auto;
  }

  .article-row__arrow {
    display: none;
  }

  .article-row {
    grid-template-columns: 1fr;
  }

  .cert-list li {
    flex-direction: column;
    gap: 2px;
  }

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