/* =============================================================
   workflow-ts landing page
   Aesthetic: technical blueprint / drafting sheet.
   Palette: off-white paper, ink black, phosphor signal green.
   ============================================================= */

:root {
  /* Paper palette */
  --paper: #f3ece0; /* warm oatmeal */
  --paper-2: #ece4d3;
  --ink: #141312;
  --ink-2: #3a3732;
  --ink-3: #6b655c;
  --rule: #1a1917;
  --rule-soft: rgba(20, 19, 18, 0.14);
  --rule-softer: rgba(20, 19, 18, 0.06);

  /* Signal accent: phosphor/cadmium for a draughtsman's red */
  --signal: #d94325;
  --signal-soft: rgba(217, 67, 37, 0.14);
  --signal-2: #216b4a; /* a drafting green for secondary highlights */

  /* Typography */
  --display: 'Fraunces', 'Canela', 'Charter', 'Iowan Old Style', serif;
  --mono: 'JetBrains Mono', 'Berkeley Mono', 'IBM Plex Mono', ui-monospace, monospace;

  /* Layout */
  --maxw: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
  --grid-cell: 24px;
}

* {
  box-sizing: border-box;
}

html,
body {
  background: var(--paper);
  color: var(--ink);
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'ss01', 'ss02', 'cv01', 'cv02';
  overflow-x: hidden;
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

a {
  color: inherit;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--rule-soft);
  transition: text-decoration-color 160ms ease;
}
a:hover {
  text-decoration-color: var(--signal);
}

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

/* -----------------------------------------------------------
   Global overlays: graph paper grid + noise grain
   ----------------------------------------------------------- */
.paper {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--rule-softer) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rule-softer) 1px, transparent 1px),
    linear-gradient(to right, var(--rule-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rule-soft) 1px, transparent 1px);
  background-size:
    var(--grid-cell) var(--grid-cell),
    var(--grid-cell) var(--grid-cell),
    calc(var(--grid-cell) * 6) calc(var(--grid-cell) * 6),
    calc(var(--grid-cell) * 6) calc(var(--grid-cell) * 6);
  mix-blend-mode: multiply;
}

.grain {
  position: fixed;
  inset: -50%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.08  0 0 0 0 0.07  0 0 0 0 0.06  0 0 0 0.6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* Put everything above overlays */
.nav,
main,
.foot {
  position: relative;
  z-index: 2;
}

/* -----------------------------------------------------------
   Navigation
   ----------------------------------------------------------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--gutter);
  border-bottom: 1px solid var(--rule-soft);
  gap: 32px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.nav__mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  background: var(--paper-2);
  color: var(--ink);
}

.nav__wordmark {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1;
}
.nav__wordmark-main {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.005em;
}
.nav__wordmark-sub {
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav__slash {
  color: var(--signal);
  display: inline-block;
  transform: translateY(-1px);
  padding: 0 1px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.nav__links a {
  text-decoration: none;
  color: var(--ink-2);
  position: relative;
  padding: 4px 0;
}
.nav__links a:hover {
  color: var(--ink);
}
.nav__links a:not(.nav__cta)::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  border-bottom: 1px solid var(--signal);
  transition: right 220ms ease;
}
.nav__links a:not(.nav__cta):hover::after {
  right: 0;
}
.nav__cta {
  border: 1px solid var(--ink);
  padding: 9px 14px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  color: var(--ink);
  line-height: 1;
  letter-spacing: 0; /* reset; letter-spacing lives on the inner span so the
                        trailing tracking space stays inside the text, not the button */
}
.nav__cta > span {
  letter-spacing: 0.16em;
  padding-left: 0.16em; /* compensate the trailing letter-space on the last glyph */
}
.nav__cta svg {
  flex: none;
  display: block;
  transition: transform 180ms ease;
}
.nav__links a.nav__cta:hover {
  background: var(--ink);
  color: var(--paper);
}
.nav__links a.nav__cta:hover svg {
  transform: translate(2px, -2px);
}
.nav__cta::after {
  content: none !important; /* cancel the inherited underline sweep from .nav__links a */
}

/* -----------------------------------------------------------
   HERO
   ----------------------------------------------------------- */
.hero {
  position: relative;
  padding: clamp(56px, 10vw, 140px) var(--gutter) clamp(64px, 9vw, 120px);
  max-width: 980px;
  margin: 0 auto;
  text-align: left;
}

.hero__grid {
  display: block;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 6px 10px;
  border: 1px solid var(--rule-soft);
  background: color-mix(in srgb, var(--paper-2) 70%, transparent);
  margin-bottom: 28px;
}
.eyebrow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-soft);
  animation: pulse 2.1s ease-in-out infinite;
}
@keyframes pulse {
  50% {
    box-shadow: 0 0 0 6px transparent;
  }
}

.hero__title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(44px, 7.2vw, 104px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0 0 26px;
  color: var(--ink);
  font-variation-settings:
    'opsz' 144,
    'SOFT' 25,
    'WONK' 1;
}
.hero__title em {
  font-style: italic;
  font-feature-settings: 'ss01';
  color: var(--signal);
  font-variation-settings:
    'opsz' 144,
    'SOFT' 100,
    'WONK' 1;
}
.hero__title-alt {
  font-size: 0.64em;
  color: var(--ink-2);
  font-weight: 300;
  display: inline-block;
  letter-spacing: -0.01em;
}
.hero__mark {
  background: linear-gradient(
    180deg,
    transparent 0 58%,
    color-mix(in srgb, var(--signal) 35%, transparent) 58% 94%,
    transparent 94%
  );
  padding: 0 0.08em;
}

.hero__lede {
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-2);
  margin: 0 0 32px;
}
.hero__lede b {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.hero__lede a {
  color: var(--ink);
  text-decoration-color: var(--signal);
}

/* CTAs */
.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  text-decoration: none;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  transition:
    transform 160ms ease,
    background 160ms ease,
    color 160ms ease;
  position: relative;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(243, 236, 224, 0.25);
  pointer-events: none;
  transition: inset 180ms ease;
}
.btn:hover::after {
  inset: 7px;
}
.btn--primary:hover {
  background: var(--signal);
  border-color: var(--signal);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
}
.btn--ghost::after {
  border-color: rgba(20, 19, 18, 0.15);
}
.btn--ghost:hover {
  background: var(--ink);
  color: var(--paper);
}
.btn__icon {
  display: inline-block;
  transition: transform 200ms ease;
}
.btn:hover .btn__icon {
  transform: translateX(4px);
}

/* Badges */
.badges {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--rule-soft);
  background: color-mix(in srgb, var(--paper-2) 65%, transparent);
}
@media (max-width: 560px) {
  .badges {
    grid-template-columns: repeat(2, 1fr);
  }
}
.badge {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-right: 1px solid var(--rule-soft);
  position: relative;
}
.badge:last-child {
  border-right: none;
}
@media (max-width: 560px) {
  .badge:nth-child(2n) {
    border-right: none;
  }
  .badge:nth-child(-n + 2) {
    border-bottom: 1px solid var(--rule-soft);
  }
}
.badge__num {
  font-family: var(--display);
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 500;
  color: var(--ink);
}
.badge__sup {
  font-size: 0.55em;
  vertical-align: super;
  color: var(--ink-3);
}
.badge__unit {
  font-size: 10.5px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-top: 4px;
}
.badge__label {
  font-size: 10.5px;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  margin-top: 4px;
}

/* Corner annotations */
.annot {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  pointer-events: none;
}
.annot__line {
  width: 52px;
  border-bottom: 1px solid var(--rule-soft);
}
.annot--tl {
  top: 24px;
  left: var(--gutter);
}
.annot--tr {
  top: 24px;
  right: var(--gutter);
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 12px;
  left: var(--gutter);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-3);
}
.scroll-hint__line {
  width: 48px;
  border-bottom: 1px solid var(--rule-soft);
}

/* -----------------------------------------------------------
   Section framing
   ----------------------------------------------------------- */
section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(64px, 8vw, 120px) var(--gutter);
  position: relative;
}
section + section {
  border-top: 1px solid var(--rule-soft);
}

.section-head {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: baseline;
  margin-bottom: clamp(40px, 5vw, 72px);
}
@media (max-width: 640px) {
  .section-head {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}
.section-head__num {
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--ink-3);
  padding-top: 10px;
  border-top: 1px solid var(--ink);
  display: inline-block;
  width: max-content;
}
.section-head__title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(32px, 4.6vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--ink);
  font-variation-settings:
    'opsz' 120,
    'SOFT' 30;
}
.section-head__lede {
  grid-column: 2;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-2);
  margin: 0;
}
@media (max-width: 640px) {
  .section-head__lede {
    grid-column: 1;
  }
}

/* -----------------------------------------------------------
   WHY — cards
   ----------------------------------------------------------- */
.cards {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}
@media (max-width: 900px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .cards {
    grid-template-columns: 1fr;
  }
}
.card {
  padding: 28px 24px 32px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
  position: relative;
  transition: background 200ms ease;
}
.card:hover {
  background: var(--paper-2);
}
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--signal);
  transition: width 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.card:hover::after {
  width: 100%;
}
.card__num {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
  display: block;
  margin-bottom: 18px;
}
.card__title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--ink);
  font-variation-settings:
    'opsz' 48,
    'SOFT' 50;
}
.card__body {
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
  max-width: 38ch;
}

/* -----------------------------------------------------------
   CODE — tabs & panels
   ----------------------------------------------------------- */
.tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--ink);
  border-bottom: none;
  background: var(--paper);
}
.tab {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--paper);
  border: none;
  border-right: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  cursor: pointer;
  text-align: left;
  transition:
    background 140ms ease,
    color 140ms ease;
}
.tab:last-child {
  border-right: none;
}
.tab:hover {
  background: var(--paper-2);
  color: var(--ink);
}
.tab.is-active {
  background: var(--ink);
  color: var(--paper);
}
.tab__idx {
  font-size: 10px;
  letter-spacing: 0.2em;
  opacity: 0.6;
}
.tab__name {
  font-weight: 500;
}

.panels {
  position: relative;
}
.panel {
  border: 1px solid var(--ink);
  background: #121110;
  color: #e7e0d2;
  display: none;
}
.panel.is-active {
  display: block;
}
.panel__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(231, 224, 210, 0.1);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(231, 224, 210, 0.55);
  background: linear-gradient(90deg, rgba(217, 67, 37, 0.12), transparent 30%), #141312;
}
.panel__filename {
  color: #f3ece0;
  letter-spacing: 0.04em;
  text-transform: none;
  font-size: 12.5px;
}
.panel__code {
  margin: 0;
  padding: 22px 26px 26px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.7;
  font-family: var(--mono);
  tab-size: 2;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent calc(1.7em - 1px),
    rgba(231, 224, 210, 0.03) calc(1.7em - 1px),
    rgba(231, 224, 210, 0.03) 1.7em
  );
}
.panel__code code {
  color: #e7e0d2;
  white-space: pre;
}

/* a tiny in-file syntax highlighter — hand-tuned tokens via CSS. */
.panel__code .tok-k {
  color: #d8a86b;
  font-style: italic;
}
.panel__code .tok-s {
  color: #c6d78a;
}
.panel__code .tok-c {
  color: #6e6a5d;
  font-style: italic;
}
.panel__code .tok-t {
  color: #e7a68b;
}
.panel__code .tok-n {
  color: #f3ece0;
}
.panel__code .tok-p {
  color: #8fb3a6;
}
.panel__code .tok-f {
  color: #f3c98b;
}

/* -----------------------------------------------------------
   ARCHITECTURE — runtime diagram
   ----------------------------------------------------------- */
.arch__figure {
  margin: 0;
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: clamp(20px, 3vw, 36px);
  box-shadow:
    4px 4px 0 0 var(--ink),
    4px 4px 0 1px var(--ink);
}
.arch__img {
  display: block;
  width: 100%;
  height: auto;
}
.arch__caption {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  border-top: 1px solid var(--rule-soft);
  padding-top: 12px;
  margin-top: 18px;
  max-width: 80ch;
  line-height: 1.6;
}

/* -----------------------------------------------------------
   CONCEPTS — glossary
   ----------------------------------------------------------- */
.glossary {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: g;
  border-top: 1px solid var(--ink);
}
.glossary li {
  counter-increment: g;
  display: grid;
  grid-template-columns: 56px 240px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
  transition: background 220ms ease;
}
.glossary li:hover {
  background: color-mix(in srgb, var(--paper-2) 60%, transparent);
}
.glossary li::before {
  content: 'N°' counter(g, decimal-leading-zero);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
}
@media (max-width: 640px) {
  .glossary li {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}
.glossary__term {
  font-family: var(--display);
  font-size: 28px;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-variation-settings:
    'opsz' 72,
    'SOFT' 30;
}
.glossary__defn {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.6;
}

/* -----------------------------------------------------------
   INSTALL
   ----------------------------------------------------------- */
.install__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--ink);
  border-bottom: none;
  margin-bottom: 36px;
}
@media (max-width: 860px) {
  .install__grid {
    grid-template-columns: 1fr;
  }
}
.install__col {
  padding: 24px 22px 26px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
}
.install__col:last-child {
  border-right: none;
}
@media (max-width: 860px) {
  .install__col {
    border-right: none;
  }
}
.install__h {
  font-family: var(--display);
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.install__cmd {
  background: var(--ink);
  color: var(--paper);
  margin: 0 0 10px;
  padding: 12px 14px;
  font-size: 13px;
  font-family: var(--mono);
  overflow-x: auto;
  position: relative;
}
.install__cmd::before {
  content: '$';
  color: var(--signal);
  padding-right: 8px;
  font-weight: 700;
}
.install__note {
  margin: 0;
  font-size: 12.5px;
  color: var(--ink-3);
  line-height: 1.55;
}
.install__note code {
  color: var(--ink);
  background: var(--paper-2);
  padding: 1px 6px;
  border: 1px solid var(--rule-soft);
  font-size: 12px;
}

.reading {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--ink);
}
.reading li {
  border-bottom: 1px solid var(--rule-soft);
}
.reading a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 4px;
  text-decoration: none;
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-variation-settings:
    'opsz' 48,
    'SOFT' 30;
  transition:
    color 200ms ease,
    padding 220ms ease;
}
.reading a:hover {
  color: var(--signal);
  padding-left: 14px;
}
.reading__arr {
  font-family: var(--mono);
  color: var(--ink-3);
  transition:
    transform 200ms ease,
    color 200ms ease;
}
.reading a:hover .reading__arr {
  color: var(--signal);
  transform: translate(4px, -4px);
}

/* -----------------------------------------------------------
   FOOTER
   ----------------------------------------------------------- */
.foot {
  border-top: 1px solid var(--ink);
  margin-top: 48px;
  background: var(--paper);
}
.foot__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: 0.04em;
}
.foot__left {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.foot__mark {
  border: 1px solid var(--ink);
  padding: 3px 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: var(--paper-2);
}
.foot__links {
  display: flex;
  gap: 22px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11px;
}
.foot__links a {
  text-decoration: none;
  color: var(--ink-2);
}
.foot__links a:hover {
  color: var(--signal);
}

/* -----------------------------------------------------------
   Responsive nav
   ----------------------------------------------------------- */
@media (max-width: 820px) {
  .nav__links a:not(.nav__cta) {
    display: none;
  }
}

/* -----------------------------------------------------------
   Entrance animation on hero
   ----------------------------------------------------------- */
.hero__copy > * {
  opacity: 0;
  transform: translateY(10px);
  animation: rise 700ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.hero__copy > *:nth-child(1) {
  animation-delay: 80ms;
}
.hero__copy > *:nth-child(2) {
  animation-delay: 180ms;
}
.hero__copy > *:nth-child(3) {
  animation-delay: 280ms;
}
.hero__copy > *:nth-child(4) {
  animation-delay: 380ms;
}
.hero__copy > *:nth-child(5) {
  animation-delay: 480ms;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* =============================================================
   2026 visual overhaul — Minimalist Dark
   Layered slate palette · warm amber accent · glass cards.
   Premium dark-mode system inspired by Linear / Raycast / Arc.
   ============================================================= */

:root {
  /* Layered slate — three distinct dark tones */
  --bg: #0a0a0f;
  --bg-elev: #12121a;
  --bg-card: #1a1a24;
  --bg-card-glass: rgba(26, 26, 36, 0.6);
  --bg-card-glass-strong: rgba(26, 26, 36, 0.8);

  /* Text — near-white on deep slate, zinc for muted */
  --fg: #fafafa;
  --fg-muted: #a1a1aa;
  --fg-subtle: #71717a;

  /* Warm amber accent — the signature ember */
  --accent: #f59e0b;
  --accent-soft: rgba(245, 158, 11, 0.15);
  --accent-line: rgba(245, 158, 11, 0.3);
  --accent-on: #0a0a0f;

  /* Borders — barely-there separators */
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --border-amber: rgba(245, 158, 11, 0.2);

  /* Type stack */
  --display: 'Space Grotesk', system-ui, sans-serif;
  --body: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Shadows + ambient glows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4);
  --glow-sm: 0 0 20px rgba(245, 158, 11, 0.15);
  --glow-md: 0 0 40px rgba(245, 158, 11, 0.2);
  --glow-lg: 0 0 60px rgba(245, 158, 11, 0.25);
  --glow-button: 0 0 20px rgba(245, 158, 11, 0.4);

  /* Layout */
  --maxw: 1200px;
  --gutter: clamp(24px, 4vw, 48px);
}

html {
  scroll-behavior: smooth;
}

html,
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  letter-spacing: 0;
}

body {
  position: relative;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration-color: rgba(245, 158, 11, 0.35);
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  transition: color 200ms ease-out;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* -----------------------------------------------------------
   Atmospheric backgrounds — ambient orbs + subtle noise
   ----------------------------------------------------------- */
.paper {
  /* Reuse this layer as a fixed ambient orb field */
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 600px 400px at 18% 8%, rgba(245, 158, 11, 0.06), transparent 70%),
    radial-gradient(ellipse 500px 500px at 88% 22%, rgba(245, 158, 11, 0.04), transparent 70%),
    radial-gradient(ellipse 700px 500px at 50% 100%, rgba(245, 158, 11, 0.05), transparent 70%);
  filter: blur(40px);
  mix-blend-mode: normal;
  opacity: 1;
  mask-image: none;
}

.grain {
  /* Very low opacity noise overlay */
  position: fixed;
  inset: -10%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.025;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* -----------------------------------------------------------
   Navigation — sticky glass bar
   ----------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 18px var(--gutter);
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 15, 0.72);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  font-size: 14px;
  font-family: var(--body);
}

.nav__brand {
  color: var(--fg);
}

.nav__wordmark-main {
  font-family: var(--display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--fg);
}

.nav__slash {
  color: var(--accent);
  text-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
  transform: none;
  padding: 0 1px;
}

.nav__links {
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
  gap: 28px;
}

.nav__links a {
  color: var(--fg-muted);
  font-weight: 500;
}

.nav__links a:hover,
.nav__links a:focus-visible {
  color: var(--fg);
}

.nav__links a:not(.nav__cta)::after {
  content: none;
}

.nav__links a.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border-hover);
  border-radius: 10px;
  padding: 12px 22px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--fg);
  letter-spacing: 0;
  font-weight: 500;
  font-size: 14px;
  line-height: 1;
  transition: all 200ms ease-out;
}

.nav__cta > span {
  letter-spacing: 0;
  padding: 0;
}

.nav__cta svg {
  flex: none;
  opacity: 0.7;
  transition: opacity 200ms ease-out;
}

.nav__cta:hover svg {
  opacity: 1;
}

.nav__cta:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-hover);
}

.nav__cta:active {
  transform: scale(0.98);
}

.nav__links a.nav__cta:hover,
.nav__links a.nav__cta:hover svg {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.05);
  transform: none;
}

/* -----------------------------------------------------------
   HERO — spacious, atmospheric
   ----------------------------------------------------------- */
.hero {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(88px, 12vw, 160px) var(--gutter) clamp(96px, 13vw, 180px);
  min-height: auto;
  display: block;
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  pointer-events: none;
  z-index: -1;
  border-radius: 999px;
  filter: blur(120px);
}

.hero::before {
  width: 480px;
  height: 480px;
  top: -100px;
  right: -120px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.08), transparent 65%);
}

.hero::after {
  width: 360px;
  height: 360px;
  bottom: 40px;
  left: -80px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.05), transparent 65%);
}

.hero__grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 760px;
}

.annot,
.scroll-hint {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fg-subtle);
  text-transform: uppercase;
}

.annot__line,
.scroll-hint__line {
  border-color: var(--border);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-muted);
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid var(--border-amber);
  border-radius: 999px;
  box-shadow: var(--glow-sm);
  margin-bottom: 32px;
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  box-shadow:
    0 0 0 3px rgba(245, 158, 11, 0.18),
    0 0 12px var(--accent);
  animation: pulseDot 2.4s ease-in-out infinite;
}

@keyframes pulseDot {
  50% {
    box-shadow:
      0 0 0 6px rgba(245, 158, 11, 0),
      0 0 18px var(--accent);
  }
}

.hero__title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(48px, 7.5vw, 104px);
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--fg);
  margin: 0 0 28px;
  max-width: 16ch;
  text-wrap: balance;
  font-variation-settings: normal;
  font-style: normal;
}

.hero__title em {
  font-style: italic;
  font-weight: 600;
  color: var(--accent);
  font-variation-settings: normal;
  font-feature-settings: normal;
}

.hero__title-alt {
  display: block;
  margin-top: 0.32em;
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.55em;
  line-height: 1.4;
  color: var(--fg-muted);
  letter-spacing: -0.025em;
}

.hero__mark {
  background: rgba(245, 158, 11, 0.18);
  color: var(--fg);
  border-radius: 6px;
  padding: 0.04em 0.22em;
  box-shadow: inset 0 0 0 1px var(--border-amber);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.hero__lede {
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg-muted);
  max-width: 56ch;
  margin: 0 auto 36px;
  text-wrap: pretty;
}

.hero__lede b {
  color: var(--fg);
  font-weight: 600;
  letter-spacing: 0;
}

.hero__lede a {
  color: var(--accent);
  text-decoration-color: rgba(245, 158, 11, 0.4);
}

/* CTAs */
.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 56px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  text-decoration: none;
  font-family: var(--body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  transition: all 200ms ease-out;
  position: relative;
}

.btn::after {
  content: none;
}

.btn:active {
  transform: scale(0.98);
}

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

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

.btn--primary:hover {
  background: #fbb12d;
  border-color: #fbb12d;
  box-shadow: var(--glow-button);
}

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

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn__icon {
  font-size: 16px;
  transition: transform 200ms ease-out;
}

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

/* Badges — glass card row */
.badges {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-card-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
  list-style: none;
  padding: 0;
  margin: 0 auto;
  width: 100%;
  max-width: 720px;
}

.badge {
  text-align: left;
}

.badge {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-right: 1px solid var(--border);
}

.badge:last-child {
  border-right: none;
}

@media (max-width: 640px) {
  .badges {
    grid-template-columns: repeat(2, 1fr);
  }
  .badge:nth-child(2n) {
    border-right: none;
  }
  .badge:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border);
  }
}

.badge__num {
  font-family: var(--display);
  font-weight: 600;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.badge__sup {
  font-size: 0.55em;
  vertical-align: super;
  color: var(--fg-subtle);
}

.badge__unit,
.badge__label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-subtle);
  margin-top: 4px;
}

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

/* -----------------------------------------------------------
   Hero machine — orbital state-flow visual, restyled
   ----------------------------------------------------------- */
.hero__machine {
  position: relative;
  opacity: 0;
  transform: translateY(10px);
  animation: rise 700ms cubic-bezier(0.2, 0.8, 0.2, 1) 380ms forwards;
}

.machine__shell {
  position: relative;
  min-height: 540px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    var(--shadow-xl),
    0 0 80px rgba(245, 158, 11, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.machine__shell::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 360px 280px at 50% 50%,
    rgba(245, 158, 11, 0.08),
    transparent 70%
  );
  pointer-events: none;
}

.machine__shell::after {
  content: none;
}

.machine__topline,
.machine__log,
.machine__canvas {
  position: relative;
  z-index: 1;
}

.machine__topline,
.machine__log {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-subtle);
}

.machine__topline {
  border-bottom: 1px solid var(--border);
}

.machine__log {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  border-top: 1px solid var(--border);
  background: rgba(10, 10, 15, 0.5);
}

.machine__canvas {
  height: 432px;
}

.machine__ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.machine__ring--outer {
  width: 320px;
  height: 320px;
  border: 1px solid var(--border);
}

.machine__ring--inner {
  width: 200px;
  height: 200px;
  border: 1px dashed var(--border-amber);
  animation: orbit-ring 32s linear infinite reverse;
}

.machine__node,
.machine__core {
  position: absolute;
  border: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-md);
  transition: all 300ms ease-out;
}

.machine__node:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-glass-strong);
  transform: scale(1.04);
}

.machine__node {
  width: 132px;
  padding: 12px 14px;
  border-radius: 10px;
}

.machine__node span,
.machine__core small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-subtle);
}

.machine__node strong {
  display: block;
  margin-top: 4px;
  font-family: var(--display);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.machine__node--props {
  top: 88px;
  left: 28px;
}

.machine__node--state {
  top: 80px;
  right: 28px;
  border-color: var(--border-amber);
  box-shadow:
    var(--shadow-md),
    0 0 24px rgba(245, 158, 11, 0.1);
}

.machine__node--rendering {
  bottom: 110px;
  right: 32px;
}

.machine__node--action {
  bottom: 124px;
  left: 24px;
}

.machine__core {
  top: 50%;
  left: 50%;
  width: 156px;
  height: 156px;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  border-color: var(--border-amber);
  background: radial-gradient(circle, rgba(245, 158, 11, 0.12), transparent 70%), var(--bg-card);
  box-shadow: 0 0 40px rgba(245, 158, 11, 0.15);
}

.machine__core b {
  display: block;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--fg);
}

.machine__pulse {
  position: absolute;
  inset: 18px;
  border-radius: 999px;
  border: 1px solid var(--border-amber);
  animation: breathe 3s ease-in-out infinite;
}

@keyframes breathe {
  50% {
    inset: 8px;
    opacity: 0.4;
  }
}

@keyframes orbit-ring {
  to {
    transform: translate(-50%, -50%) rotate(1turn);
  }
}

/* -----------------------------------------------------------
   Sections — generous breathing room
   ----------------------------------------------------------- */
section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(96px, 12vw, 160px) var(--gutter);
  border-color: var(--border);
}

section + section {
  border-top: 1px solid var(--border);
}

.section-head {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 32px;
  align-items: start;
  margin-bottom: clamp(48px, 6vw, 80px);
}

@media (max-width: 640px) {
  .section-head {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .section-head__lede {
    grid-column: 1;
  }
}

.section-head__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 12px;
  border-top: 1px solid var(--border-amber);
  width: max-content;
  text-transform: uppercase;
}

.section-head__title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(36px, 4.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin: 0 0 18px;
  font-variation-settings: normal;
  max-width: 22ch;
}

.section-head__lede {
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg-muted);
  max-width: 60ch;
  margin: 0;
}

.section-head__lede code {
  font-size: 13px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--fg);
}

/* -----------------------------------------------------------
   WHY — glass cards
   ----------------------------------------------------------- */
.cards {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  border: 0;
}

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

@media (max-width: 560px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

.card {
  padding: 28px 26px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
  transition: all 300ms ease-out;
  min-height: 220px;
  overflow: hidden;
}

.card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-glass-strong);
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  transition: width 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.card:hover::after {
  width: 100%;
}

.card__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--fg-subtle);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}

.card__title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin: 0 0 10px;
  font-variation-settings: normal;
}

.card__body {
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-muted);
  margin: 0;
  max-width: none;
}

/* -----------------------------------------------------------
   CODE — tabs + dark slate panel
   ----------------------------------------------------------- */
.tabs {
  display: flex;
  gap: 6px;
  border: 0;
  background: transparent;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.tab {
  flex: 1;
  min-width: 200px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card-glass);
  backdrop-filter: blur(8px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0;
  color: var(--fg-muted);
  text-align: left;
  cursor: pointer;
  transition: all 200ms ease-out;
}

.tab:hover {
  background: var(--bg-card-glass-strong);
  border-color: var(--border-hover);
  color: var(--fg);
}

.tab.is-active {
  background: var(--accent-soft);
  border-color: var(--border-amber);
  color: var(--accent);
  box-shadow: var(--glow-sm);
}

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

.tab__idx {
  font-size: 10px;
  letter-spacing: 0.08em;
  opacity: 0.7;
  text-transform: uppercase;
}

.tab__name {
  font-weight: 500;
}

.panels {
  position: relative;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-elev);
  color: var(--fg);
  display: none;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.panel.is-active {
  display: block;
}

.panel__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 15, 0.4);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-subtle);
}

.panel__filename {
  color: var(--accent);
  text-transform: none;
  font-size: 13px;
  letter-spacing: 0;
  font-weight: 500;
}

.panel__pkg {
  color: var(--fg-subtle);
}

.panel__code {
  margin: 0;
  padding: 24px 28px 28px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  tab-size: 2;
  background: transparent;
  color: var(--fg);
}

.panel__code code {
  color: var(--fg);
  white-space: pre;
}

/* Token colors — calm warm/cool palette on slate */
.panel__code .tok-k {
  color: #f59e0b;
}
.panel__code .tok-s {
  color: #a8e6a3;
}
.panel__code .tok-c {
  color: #71717a;
  font-style: italic;
}
.panel__code .tok-t {
  color: #93c5fd;
}
.panel__code .tok-n {
  color: #fafafa;
}
.panel__code .tok-p {
  color: #a1a1aa;
}
.panel__code .tok-f {
  color: #fbbf24;
}

/* -----------------------------------------------------------
   ARCHITECTURE
   ----------------------------------------------------------- */
.arch__figure {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-card-glass);
  backdrop-filter: blur(8px);
  padding: clamp(20px, 3vw, 32px);
  box-shadow: var(--shadow-lg), var(--glow-sm);
}

.arch__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  background: transparent;
  padding: 0;
}

.arch__caption {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-subtle);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: 18px;
  max-width: 80ch;
  line-height: 1.6;
}

/* -----------------------------------------------------------
   CONCEPTS — glossary as glass list
   ----------------------------------------------------------- */
.glossary {
  list-style: none;
  padding: 0;
  margin: 0;
  border: 0;
  counter-reset: g;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.glossary li {
  counter-increment: g;
  display: grid;
  grid-template-columns: 64px 220px 1fr;
  gap: 24px;
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card-glass);
  backdrop-filter: blur(8px);
  align-items: baseline;
  transition: all 300ms ease-out;
}

.glossary li:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-glass-strong);
}

.glossary li::before {
  content: counter(g, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

@media (max-width: 720px) {
  .glossary li {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.glossary__term {
  font-family: var(--display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--fg);
  font-variation-settings: normal;
}

.glossary__defn {
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-muted);
}

/* -----------------------------------------------------------
   INSTALL — glass cards + amber prompt
   ----------------------------------------------------------- */
.install__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  border: 0;
  margin-bottom: 48px;
}

@media (max-width: 860px) {
  .install__grid {
    grid-template-columns: 1fr;
  }
}

.install__col {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card-glass);
  backdrop-filter: blur(8px);
  transition: all 300ms ease-out;
}

.install__col:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-glass-strong);
}

.install__h {
  font-family: var(--display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin: 0 0 14px;
}

.install__cmd {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 0 0 12px;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 13px;
  overflow-x: auto;
}

.install__cmd::before {
  content: '$';
  color: var(--accent);
  padding-right: 10px;
  font-weight: 500;
}

.install__note {
  font-family: var(--body);
  margin: 0;
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.55;
}

.install__note code {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.05);
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
}

/* -----------------------------------------------------------
   READING — large amber-on-hover links
   ----------------------------------------------------------- */
.reading {
  list-style: none;
  padding: 0;
  margin: 0;
  border: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.reading li {
  border: 0;
  border-bottom: 1px solid var(--border);
}

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

.reading a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 4px;
  text-decoration: none;
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(18px, 2vw, 24px);
  letter-spacing: -0.02em;
  color: var(--fg);
  font-variation-settings: normal;
  transition:
    color 200ms ease-out,
    padding 300ms ease-out;
}

.reading a:hover {
  color: var(--accent);
  padding-left: 14px;
}

.reading__arr {
  font-family: var(--mono);
  color: var(--fg-subtle);
  transition:
    transform 200ms ease-out,
    color 200ms ease-out;
}

.reading a:hover .reading__arr {
  color: var(--accent);
  transform: translate(4px, -4px);
}

/* -----------------------------------------------------------
   FOOTER
   ----------------------------------------------------------- */
.foot {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  background: rgba(10, 10, 15, 0.6);
}

.foot__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 32px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--body);
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0;
}

.foot__left {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.foot__mark {
  font-family: var(--mono);
  border: 1px solid var(--border-amber);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: rgba(245, 158, 11, 0.08);
  color: var(--accent);
}

.foot__links {
  display: flex;
  gap: 24px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.foot__links a {
  text-decoration: none;
  color: var(--fg-subtle);
  transition: color 200ms ease-out;
}

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

/* -----------------------------------------------------------
   Responsive
   ----------------------------------------------------------- */
@media (max-width: 980px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .hero__machine {
    max-width: 560px;
    margin: 0 auto;
  }
}

@media (max-width: 720px) {
  .nav {
    padding-block: 14px;
  }

  .nav__links a:not(.nav__cta) {
    display: none;
  }

  .hero__machine {
    display: none;
  }

  .tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }

  .tab {
    min-width: 180px;
  }
}