/* ==========================================================================
   main.css — layout + components
   ========================================================================== */

/* --------------------------------------------------------------- primitives */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.shell--narrow { max-width: 940px; }

.sec { padding-block: var(--sec-y); position: relative; }

/* Standard breathing room between a section's intro block and its content.
   Section headings were sitting almost on top of the grids beneath them. */
.sec-intro { margin-bottom: clamp(2.75rem, 1.75rem + 4vw, 5.5rem); }
.sec-intro + * { margin-top: 0; }

/* Trailing action ("All projects", "Full stack breakdown") — needs to read
   as a separate beat, not as the last row of the block above it. */
.sec-action { margin-top: clamp(2rem, 1.5rem + 1.4vw, 2.75rem); }

/* Optional blueprint texture on light sections — stops large content
   blocks from floating on a flat white field. */
.sec--grid { isolation: isolate; }
.sec--grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(8, 17, 34, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 17, 34, 0.045) 1px, transparent 1px);
  background-size: 92px 92px;
  /* fade in AND out vertically — a hard-edged mask draws a visible seam
     across the top of the section */
  mask-image: linear-gradient(180deg, transparent 0%, #000 20%, rgba(0,0,0,0.5) 66%, transparent 94%);
  pointer-events: none;
  z-index: -1;
}
.sec--tight { padding-block: var(--sec-y-s); }
.sec--paper { background: var(--paper); }
.sec--dark { background: var(--ink); color: var(--white); }
.sec--flood { background: var(--accent); color: var(--ink); }

.sec--dark .muted, .sec--flood .muted { color: var(--muted-dark); }
.sec--flood .muted { color: rgba(8, 17, 34, 0.62); }

/* Type helpers ------------------------------------------------------------ */

h1, h2, h3, h4, h5 {
  font-weight: 500;
  line-height: var(--lh-head);
  letter-spacing: var(--tr-tight);
  text-wrap: balance;
}
.h1 { font-size: var(--t-h1); line-height: var(--lh-tight); }
.h2 { font-size: var(--t-h2); }
.h3 { font-size: var(--t-h3); }
.h4 { font-size: var(--t-h4); }
.h5 { font-size: var(--t-h5); }

.lead {
  font-size: var(--t-p1);
  line-height: 1.5;
  letter-spacing: var(--tr-body);
  text-wrap: pretty;
}
.muted { color: var(--muted); }
.mono {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  font-weight: 500;
}

/* Section index: the reference template's chip eyebrow, rebuilt as a
   monospace index number + rule — reads as a spec sheet, not a brochure. */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: clamp(1.5rem, 1rem + 2vw, 2.75rem);
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  font-weight: 500;
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.sec--dark .eyebrow::after { background: var(--line-dark); }
.sec--flood .eyebrow::after { background: rgba(8, 17, 34, 0.2); }

.eyebrow i {
  font-style: normal;
  display: inline-grid;
  place-items: center;
  min-width: 1.9rem;
  height: 1.9rem;
  padding-inline: 0.4rem;
  border-radius: var(--r-sm);
  background: var(--ink);
  color: var(--accent);
  font-size: 0.6875rem;
}
.sec--dark .eyebrow i { background: var(--accent); color: var(--ink); }
.sec--flood .eyebrow i { background: var(--ink); color: var(--accent); }

/* Buttons ----------------------------------------------------------------- */

.btn {
  --btn-bg: var(--accent);
  --btn-fg: var(--ink);
  --btn-dot: var(--ink);
  --btn-dot-fg: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.55rem 0.55rem 0.55rem 1.5rem;
  border-radius: var(--r-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: var(--t-p2);
  font-weight: 500;
  letter-spacing: var(--tr-tight);
  white-space: nowrap;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), background 0.3s var(--ease);
}
.btn__dot {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--btn-dot);
  color: var(--btn-dot-fg);
  overflow: hidden;
}
.btn__dot svg { transition: transform 0.45s var(--ease); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -14px rgba(8, 17, 34, 0.55); }
.btn:hover .btn__dot svg { transform: translate(120%, -120%); }
.btn:active { transform: translateY(0); }

.btn--dark { --btn-bg: var(--ink); --btn-fg: var(--white); --btn-dot: var(--accent); --btn-dot-fg: var(--ink); }
.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: currentColor;
  --btn-dot: currentColor;
  border: 1px solid var(--line);
}
.sec--dark .btn--ghost { border-color: var(--line-dark); }
.btn--ghost .btn__dot { background: transparent; border: 1px solid currentColor; color: currentColor; }

/* Secondary: bare underlined link with an arrow, as in the reference */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.35rem;
  font-weight: 500;
  letter-spacing: var(--tr-tight);
  border-bottom: 1px solid currentColor;
  transition: gap 0.35s var(--ease), opacity 0.3s var(--ease);
}
.link-arrow:hover { gap: 0.9rem; }
.link-arrow svg { flex: none; }

/* Monospace stack chips --------------------------------------------------- */

.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--muted);
  white-space: nowrap;
}
.tag::before { content: "+ "; opacity: 0.5; }
.sec--dark .tag { border-color: var(--line-dark); color: var(--muted-dark); }

/* Domain dot */
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--dom, var(--accent));
  flex: none;
}

/* ------------------------------------------------------------------- nav */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem var(--gutter);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
}
.nav.on-dark { color: var(--white); }
.nav.on-dark.is-stuck {
  background: rgba(8, 17, 34, 0.82);
  border-bottom-color: var(--line-dark);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.brand__mark {
  width: 0.7rem; height: 0.7rem;
  background: var(--accent);
  border-radius: 2px;
  transform: rotate(45deg);
  align-self: center;
  transition: transform 0.6s var(--ease);
}
.brand:hover .brand__mark { transform: rotate(225deg); }
.brand span { color: var(--muted); font-weight: 400; }
.nav.on-dark .brand span { color: var(--muted-dark); }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 0.4rem + 1.6vw, 2rem);
  font-size: var(--t-sm);
}
.nav__links a { position: relative; padding-block: 0.25rem; color: var(--muted); transition: color 0.25s; }
.nav.on-dark .nav__links a { color: var(--muted-dark); }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav__links a:hover, .nav__links a[aria-current="page"] { color: inherit; }
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__links a[aria-current="page"]::after { transform: scaleX(1); background: var(--accent); height: 2px; }

.nav__cta { display: flex; align-items: center; gap: 0.75rem; }
.nav .btn { padding: 0.4rem 0.4rem 0.4rem 1.1rem; font-size: var(--t-sm); }
.nav .btn__dot { width: 1.85rem; height: 1.85rem; }

.nav__burger { display: none; width: 2.5rem; height: 2.5rem; place-items: center; }
.nav__burger span { display: block; width: 20px; height: 1.5px; background: currentColor; position: relative; transition: 0.3s var(--ease); }
.nav__burger span::before, .nav__burger span::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 1.5px; background: currentColor;
  transition: 0.3s var(--ease);
}
.nav__burger span::before { top: -6px; }
.nav__burger span::after  { top: 6px; }
.nav.is-open .nav__burger span { background: transparent; }
.nav.is-open .nav__burger span::before { top: 0; transform: rotate(45deg); }
.nav.is-open .nav__burger span::after  { top: 0; transform: rotate(-45deg); }

@media (max-width: 900px) {
  .nav__burger { display: grid; }
  .nav__links {
    position: fixed;
    inset: 4.25rem 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 1rem var(--gutter) 2rem;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    font-size: var(--t-h5);
    clip-path: inset(0 0 100% 0);
    transition: clip-path 0.5s var(--ease);
  }
  .nav.on-dark .nav__links { background: var(--ink); border-bottom-color: var(--line-dark); }
  .nav.is-open .nav__links { clip-path: inset(0 0 0 0); }
  .nav__links a { width: 100%; padding-block: 0.7rem; border-bottom: 1px solid var(--line-soft); }
  .nav.on-dark .nav__links a { border-bottom-color: var(--line-dark-soft); }
  .nav__cta .btn { display: none; }
}

/* ------------------------------------------------------------------ hero */

.hero {
  position: relative;
  background: var(--ink);
  color: var(--white);
  padding-block: clamp(8rem, 6rem + 10vw, 12rem) clamp(2.5rem, 1.5rem + 3vw, 4rem);
  overflow: hidden;
  isolation: isolate;
}
/* Blueprint grid replaces the reference template's stock photograph */
.hero::before {
  content: "";
  position: absolute; inset: -1px;
  background-image:
    linear-gradient(var(--line-dark-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark-soft) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(120% 90% at 78% 20%, #000 10%, transparent 72%);
  z-index: -2;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--grain);
  opacity: 0.045;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: -1;
}
.hero__glow {
  position: absolute;
  width: 60vw; height: 60vw;
  max-width: 780px; max-height: 780px;
  right: -12vw; top: -18vw;
  background: radial-gradient(circle, rgba(245, 254, 144, 0.16), transparent 62%);
  filter: blur(20px);
  pointer-events: none;
  z-index: -2;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 1rem + 4vw, 5rem);
  align-items: center;
}
@media (max-width: 1000px) { .hero__grid { grid-template-columns: 1fr; } }

.hero h1 { max-width: 14ch; }
.hero h1 em {
  font-style: normal;
  color: var(--accent);
  position: relative;
}
.hero h1 em::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0.08em;
  height: 3px;
  background: var(--accent);
  opacity: 0.35;
}
.hero__sub { max-width: 52ch; margin-top: 1.75rem; color: var(--muted-dark); }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; margin-top: 2.5rem; }

/* Bottom strip — the reference hero's supporting-copy + proof band */
.hero__strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: clamp(3rem, 2rem + 4vw, 5.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-dark);
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--muted-dark);
}
.hero__strip ul { display: flex; flex-wrap: wrap; gap: clamp(1rem, 0.5rem + 1.5vw, 2.25rem); }
.hero__strip li { display: flex; align-items: center; gap: 0.5rem; }

/* Terminal card — the dev-native replacement for the hero photograph */
.term {
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.015));
  backdrop-filter: blur(6px);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0;
  text-transform: none;
  box-shadow: 0 40px 90px -50px rgba(0, 0, 0, 0.9);
}
.term__bar {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.03);
}
.term__bar b { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.18); }
.term__bar b:first-of-type { background: var(--accent); }
.term__bar span { margin-left: auto; font-size: 0.6875rem; color: var(--muted-dark); }
.term__body { padding: 1.1rem 1.15rem 1.35rem; line-height: 1.85; color: #C9D2E2; }
.term__body .k { color: var(--accent); }
.term__body .c { color: var(--muted-dark); }
.term__body .s { color: var(--dom-mobile); }
.term__body .n { color: var(--dom-cloud); }
.term__prompt { color: var(--dom-mobile); }
.term__row { display: block; white-space: pre-wrap; word-break: break-word; }
.term__cursor {
  display: inline-block; width: 8px; height: 1em;
  background: var(--accent); vertical-align: -0.15em;
  animation: blink 1.1s steps(2, start) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* --------------------------------------------------------------- stat row */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.stat {
  background: var(--paper);
  padding: clamp(1.5rem, 1rem + 1.6vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: background 0.4s var(--ease);
}
.stat:hover { background: var(--white); }
.stat__n {
  font-size: clamp(2.5rem, 1.6rem + 3.2vw, 3.75rem);
  line-height: 1;
  letter-spacing: -0.035em;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.stat__n sub { font-size: 0.42em; vertical-align: baseline; bottom: 0; color: var(--muted); margin-left: 0.1em; }
.stat__l { font-size: var(--t-sm); color: var(--muted); max-width: 26ch; }
.stat__src {
  margin-top: auto; padding-top: 0.75rem;
  font-family: var(--mono); font-size: 0.625rem;
  letter-spacing: var(--tr-label); text-transform: uppercase; color: var(--muted);
  opacity: 0.75;
}

/* ---------------------------------------------------------- capabilities */

/* Asymmetric grid: one tall card + four standard, as in the reference */
.caps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.cap {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: clamp(1.4rem, 1rem + 1.4vw, 2rem);
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform 0.5s var(--ease), border-color 0.4s, background 0.4s;
}
.cap:hover { transform: translateY(-4px); border-color: var(--line); background: var(--white); }
.cap--tall { grid-row: span 2; justify-content: space-between; }
.cap__icon {
  display: grid; place-items: center;
  width: 3rem; height: 3rem;
  border-radius: 10px;
  background: var(--dom, var(--accent));
  color: var(--ink);
  flex: none;
}
.cap h3 { font-size: var(--t-h5); }
.cap p { font-size: var(--t-sm); color: var(--muted); text-wrap: pretty; }
.cap__evidence {
  margin-top: 0.35rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}
@media (max-width: 900px) {
  .caps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cap--tall { grid-row: auto; grid-column: span 2; }
}
@media (max-width: 560px) {
  .caps { grid-template-columns: 1fr; }
  .cap--tall { grid-column: auto; }
}

/* ------------------------------------------------------------- work rows */

.work { border-top: 1px solid var(--line); }
.work__row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 1rem + 3vw, 4rem);
  align-items: center;
  padding-block: clamp(2rem, 1.5rem + 3vw, 3.5rem);
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background 0.5s var(--ease);
}
.work__row::before {
  content: "";
  position: absolute; inset: 0 calc(var(--gutter) * -0.5);
  background: var(--paper);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
  border-radius: var(--r-lg);
  z-index: -1;
}
.work__row:hover::before { opacity: 1; }

.work__head { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.work__idx {
  font-family: var(--mono); font-size: var(--t-xs);
  letter-spacing: var(--tr-label); color: var(--muted);
}
.work__row h3 { font-size: var(--t-h4); margin-bottom: 0.9rem; }
.work__row h3 a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.work__row p { color: var(--muted); max-width: 46ch; }

.work__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 1.5rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}
.work__meta dt {
  font-family: var(--mono); font-size: 0.625rem;
  letter-spacing: var(--tr-label); text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.3rem;
}
.work__meta dd { font-size: var(--t-sm); font-weight: 500; margin-bottom: 0.9rem; }

.work__more { margin-top: 1.4rem; display: inline-flex; }

/* Visual panel — a rendered artifact, never a stock photo */
.panel {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--ink);
  color: var(--white);
  padding: clamp(1.25rem, 1rem + 1.5vw, 2rem);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}
.panel::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-dark-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark-soft) 1px, transparent 1px);
  background-size: 44px 44px;
  z-index: -1;
}
.panel--paper { background: var(--paper); color: var(--ink); }
.panel--paper::before {
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
}

@media (max-width: 860px) {
  .work__row { grid-template-columns: 1fr; }
  .work__row .panel { order: -1; min-height: 220px; }
}

/* Node diagram used inside .panel */
.nodes { display: flex; flex-direction: column; gap: 0.55rem; font-family: var(--mono); font-size: 0.75rem; }
.node {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.035);
}
.panel--paper .node { border-color: var(--line); background: var(--white); }
.node b { font-weight: 500; }
.node small { margin-left: auto; color: var(--muted-dark); font-size: 0.6875rem; }
.panel--paper .node small { color: var(--muted); }
.node--in { border-style: dashed; background: transparent; }
.nodes__rail {
  height: 18px; width: 1px; background: var(--line-dark);
  margin-left: 1.4rem;
}
.panel--paper .nodes__rail { background: var(--line); }

/* Fan-out: one input → many agents */
.fan { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; }
.fan .node { font-size: 0.6875rem; padding: 0.5rem 0.6rem; }

/* --------------------------------------------------------- flood section */

/* The single accent-flood palate cleanser, carrying the strongest number */
.flood__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
@media (max-width: 900px) { .flood__grid { grid-template-columns: 1fr; } }

.flood__n {
  font-size: clamp(4.5rem, 2rem + 12vw, 9rem);
  line-height: 0.85;
  letter-spacing: -0.05em;
  font-weight: 500;
}
.flood__cap { margin-top: 1.25rem; max-width: 34ch; }

/* Cost bar chart — replaces the reference template's decorative line art */
.bars { display: flex; flex-direction: column; gap: 1.75rem; }
.bar__top {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  margin-bottom: 0.6rem;
  font-family: var(--mono); font-size: var(--t-xs);
  letter-spacing: var(--tr-label); text-transform: uppercase;
}
.bar__val { font-family: var(--sans); font-size: var(--t-h4); letter-spacing: -0.03em; font-weight: 500; text-transform: none; }
.bar__track { height: 20px; border-radius: 3px; background: rgba(8, 17, 34, 0.1); overflow: hidden; }
.bar__fill {
  height: 100%;
  background: var(--ink);
  border-radius: 3px;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1.5s var(--ease);
}
.is-in .bar__fill { transform: scaleX(var(--w, 1)); }
.bar--after .bar__fill { background: repeating-linear-gradient(45deg, var(--ink) 0 6px, rgba(8,17,34,0.72) 6px 12px); }
.bar__note { margin-top: 0.55rem; font-size: var(--t-sm); color: rgba(8, 17, 34, 0.62); }

/* itemised "what actually moved" — keeps the flood column from bottoming out */
.ledger { display: grid; gap: 0; margin-top: 0.5rem; }
.ledger > div {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1.5rem;
  padding-block: 0.7rem;
  border-top: 1px solid rgba(8, 17, 34, 0.18);
}
.ledger dt {
  font-family: var(--mono); font-size: 0.625rem;
  letter-spacing: var(--tr-label); text-transform: uppercase;
  color: rgba(8, 17, 34, 0.55); white-space: nowrap;
}
.ledger dd { font-size: var(--t-sm); font-weight: 500; text-align: right; }

/* ------------------------------------------------------------- timeline */

.tl { border-top: 1px solid var(--line); }
.tl__row {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(1rem, 0.5rem + 2vw, 2.5rem);
  padding-block: clamp(1.5rem, 1rem + 1.6vw, 2.25rem);
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.tl__when {
  font-family: var(--mono); font-size: var(--t-xs);
  letter-spacing: var(--tr-label); text-transform: uppercase; color: var(--muted);
  padding-top: 0.4rem;
}
.tl__role { font-size: var(--t-h5); margin-bottom: 0.3rem; }
.tl__org { font-size: var(--t-sm); color: var(--muted); }
.tl__what { font-size: var(--t-sm); color: var(--muted); text-wrap: pretty; }
.tl__row.is-now .tl__when { color: var(--ink); }
.tl__row.is-now .tl__when::after {
  content: "● NOW";
  display: block; margin-top: 0.35rem; color: var(--ink);
  font-size: 0.625rem;
}
@media (max-width: 820px) {
  .tl__row { grid-template-columns: 1fr; gap: 0.5rem; }
  .tl__when { padding-top: 0; }
}

/* --------------------------------------------------------- track record */

/* Achievements as receipts: number, what it was, where, and your role.
   A metric without a context line is a claim; with one it's evidence. */
.record { border-top: 1px solid var(--line); }
.record__row {
  position: relative;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) 210px;
  gap: clamp(1rem, 0.5rem + 2vw, 2.5rem);
  align-items: center;
  padding-block: clamp(1.25rem, 1rem + 1.2vw, 1.85rem);
  border-bottom: 1px solid var(--line);
  transition: background 0.4s var(--ease);
  z-index: 0;
}
.record__row::before {
  content: "";
  position: absolute; inset: 0 calc(var(--gutter) * -0.6);
  border-radius: var(--r-md);
  background: var(--white);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  z-index: -1;
}
.record__row:hover::before { opacity: 1; }

.record__n {
  font-size: clamp(1.75rem, 1.2rem + 1.9vw, 2.625rem);
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
}
.record__n small { font-size: 0.42em; letter-spacing: 0; color: var(--muted); }
.record__what { font-size: var(--t-p2); text-wrap: pretty; }
.record__where {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--muted);
}
.record__where a { border-bottom: 1px solid var(--line); transition: border-color 0.3s, color 0.3s; }
.record__where a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.record__where b { display: block; font-weight: 500; color: var(--ink); margin-top: 0.35rem; }

@media (max-width: 860px) {
  .record__row { grid-template-columns: 1fr; gap: 0.5rem; }
  .record__where { order: 3; }
}

/* ------------------------------------------------------------ stack grid */

/* Cell borders rather than a gap-as-line trick: when the column count
   doesn't divide evenly, the leftover cell reads as empty space, not a
   grey block punched out of the grid. */
.stackgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(322px, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--white);
}
.sec--paper .stackgrid { background: var(--paper); }
.stackcol {
  padding: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: -1px;
  transition: background 0.4s var(--ease);
}
.stackcol:hover { background: var(--paper); }
.sec--paper .stackcol:hover { background: var(--white); }

.stackcol h3 {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: var(--t-h5);
  padding-bottom: 1.15rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}
.stackcol ul { display: grid; }
/* Columns are wide enough for name-left / context-right, which halves the
   row height compared with stacking them and reads far less cramped. */
.stackcol li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: 0.75rem;
}
.stackcol li:last-child { border-bottom: 0; }
.stackcol li b { font-weight: 500; }
.stackcol li span {
  font-size: 0.5625rem;
  letter-spacing: var(--tr-label);
  color: var(--muted);
  text-transform: uppercase;
  text-align: right;
  white-space: nowrap;
}
.stackcol__foot {
  margin-top: 1.35rem;
  padding-top: 1.15rem;
}
.stackcol__foot {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  font-size: var(--t-sm);
  color: var(--muted);
  text-wrap: pretty;
}

/* depth key used on the stack page */
.depthkey { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-top: 1.5rem; }
.depthkey div {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.625rem;
  letter-spacing: var(--tr-label); text-transform: uppercase; color: var(--muted);
}
.depthkey b {
  display: inline-grid; place-items: center;
  padding: 0.2rem 0.45rem;
  border-radius: 3px;
  background: var(--ink); color: var(--accent);
  font-weight: 500;
}
.depthkey b.is-2 { background: var(--paper); color: var(--muted); border: 1px solid var(--line); }

/* -------------------------------------------------------------- marquee */

.marquee {
  display: flex;
  overflow: hidden;
  gap: 0;
  border-block: 1px solid var(--line);
  padding-block: 1.1rem;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  user-select: none;
}
.sec--dark .marquee { border-color: var(--line-dark); }
.marquee__track {
  display: flex;
  flex: none;
  gap: 2.5rem;
  padding-right: 2.5rem;
  animation: slide 42s linear infinite;
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-100%); } }

/* ------------------------------------------------------------------ CTA */

.cta__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 1rem + 4vw, 4rem);
  align-items: center;
}
@media (max-width: 900px) { .cta__grid { grid-template-columns: 1fr; } }
.cta h2 { max-width: 16ch; }

.contact-list { display: grid; gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); border-radius: var(--r-lg); overflow: hidden; }
.contact-list a, .contact-list div {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 1.35rem;
  background: var(--ink);
  transition: background 0.35s var(--ease), padding-left 0.35s var(--ease);
}
.contact-list a:hover { background: var(--ink-2); padding-left: 1.75rem; }
.contact-list dt, .contact-list .k {
  font-family: var(--mono); font-size: 0.625rem;
  letter-spacing: var(--tr-label); text-transform: uppercase; color: var(--muted-dark);
}
.contact-list .v { font-size: var(--t-sm); font-weight: 500; }

/* --------------------------------------------------------------- footer */

.foot { background: var(--ink); color: var(--white); padding-block: var(--sec-y-s) 2rem; }
.foot__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 0.6fr));
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line-dark);
}
@media (max-width: 760px) { .foot__grid { grid-template-columns: 1fr 1fr; } .foot__brand { grid-column: 1 / -1; } }
.foot__brand p { margin-top: 1rem; max-width: 34ch; color: var(--muted-dark); font-size: var(--t-sm); }
.foot h4 {
  font-family: var(--mono); font-size: 0.625rem;
  letter-spacing: var(--tr-label); text-transform: uppercase;
  color: var(--muted-dark); margin-bottom: 1rem; font-weight: 500;
}
.foot ul { display: grid; gap: 0.6rem; font-size: var(--t-sm); }
.foot ul a { color: var(--muted-dark); transition: color 0.25s; }
.foot ul a:hover { color: var(--accent); }
.foot__base {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  padding-top: 1.5rem;
  font-family: var(--mono); font-size: 0.625rem;
  letter-spacing: var(--tr-label); text-transform: uppercase; color: var(--muted-dark);
}

/* ---------------------------------------------------------- inner pages */

.phead {
  padding-block: clamp(8rem, 6rem + 8vw, 11rem) clamp(2.5rem, 2rem + 3vw, 4rem);
  border-bottom: 1px solid var(--line);
}
.phead h1 { max-width: 18ch; }
.phead .lead { margin-top: 1.5rem; max-width: 60ch; color: var(--muted); }

.phead--dark {
  background: var(--ink);
  color: var(--white);
  border-bottom: 0;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.phead--dark::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-dark-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(110% 80% at 80% 10%, #000 5%, transparent 70%);
  z-index: -1;
}
.phead--dark .lead { color: var(--muted-dark); }

/* filter bar (work index) */
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2rem; }
.filters button {
  font-family: var(--mono); font-size: var(--t-xs);
  letter-spacing: var(--tr-label); text-transform: uppercase;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--muted);
  transition: 0.3s var(--ease);
}
.filters button:hover { color: var(--ink); border-color: var(--ink); }
.filters button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--accent); }

.work__row[hidden] { display: none; }

/* compact project list (work index) */
.plist { border-top: 1px solid var(--line); }
.prow {
  position: relative;
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) minmax(0, 0.62fr) 2.5rem;
  gap: clamp(1rem, 0.5rem + 2vw, 2.5rem);
  align-items: center;
  padding-block: clamp(1.4rem, 1rem + 1.4vw, 2rem);
  border-bottom: 1px solid var(--line);
  transition: background 0.4s var(--ease);
  z-index: 0;
}
.prow::before {
  content: "";
  position: absolute; inset: 0 calc(var(--gutter) * -0.6);
  border-radius: var(--r-md);
  background: var(--paper);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  z-index: -1;
}
.prow:hover::before { opacity: 1; }

.prow__idx { display: flex; align-items: center; gap: 0.55rem; }
.prow__idx span {
  font-family: var(--mono); font-size: var(--t-xs);
  letter-spacing: var(--tr-label); text-transform: uppercase; color: var(--muted);
}
.prow h3 { font-size: var(--t-h5); margin-bottom: 0.4rem; }
.prow h3 a::after { content: ""; position: absolute; inset: 0; }
.prow p { font-size: var(--t-sm); color: var(--muted); max-width: 56ch; }
.prow__ctx {
  display: block; margin-top: 0.5rem;
  font-family: var(--mono); font-size: 0.625rem;
  letter-spacing: var(--tr-label); text-transform: uppercase; color: var(--muted);
}
.prow__go {
  display: grid; place-items: center;
  width: 2.25rem; height: 2.25rem;
  border: 1px solid var(--line); border-radius: 50%;
  color: var(--muted);
  transition: 0.4s var(--ease);
}
.prow:hover .prow__go { background: var(--ink); border-color: var(--ink); color: var(--accent); transform: rotate(45deg); }
.prow__go--none { opacity: 0.25; }
.prow:hover .prow__go--none { background: none; border-color: var(--line); color: var(--muted); transform: none; }

@media (max-width: 900px) {
  .prow { grid-template-columns: 1fr auto; gap: 0.75rem 1rem; }
  .prow__idx { grid-column: 1 / -1; }
  .prow .tags { grid-column: 1 / -1; }
}

/* case study */
.cs-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.75rem;
  padding-block: clamp(2rem, 1.5rem + 2vw, 3rem);
  border-bottom: 1px solid var(--line);
}
.cs-meta dt {
  font-family: var(--mono); font-size: 0.625rem;
  letter-spacing: var(--tr-label); text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.5rem;
}
.cs-meta dd { font-size: var(--t-p2); font-weight: 500; }

.prose { max-width: 68ch; }
.prose > * + * { margin-top: 1.35rem; }
.prose h2 {
  font-size: var(--t-h4);
  margin-top: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}
.prose h3 { font-size: var(--t-h5); margin-top: 2rem; }
.prose p { color: var(--muted); text-wrap: pretty; }
.prose strong { color: var(--ink); font-weight: 500; }
.prose ul { display: grid; gap: 0.85rem; }
/* padding + absolute marker, NOT grid — inline children (<strong>, text)
   would each become separate grid items and collapse into the marker column */
.prose li { position: relative; padding-left: 1.6rem; color: var(--muted); }
.prose li::before {
  content: "▸";
  position: absolute;
  left: 0.15rem;
  top: 0;
  color: var(--ink);
  font-size: 0.75rem;
  line-height: 2;
}
.prose code {
  font-family: var(--mono); font-size: 0.85em;
  background: var(--paper); border: 1px solid var(--line-soft);
  padding: 0.1em 0.4em; border-radius: 4px; color: var(--ink);
}
.prose a { border-bottom: 1px solid var(--line); transition: border-color 0.3s; }
.prose a:hover { border-bottom-color: var(--ink); }

.pull {
  border-left: 3px solid var(--accent);
  padding: 0.35rem 0 0.35rem 1.5rem;
  font-size: var(--t-p1);
  letter-spacing: var(--tr-body);
  color: var(--ink);
}

.cs-aside {
  position: sticky; top: 6.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  background: var(--paper);
}
.cs-aside h4 {
  font-family: var(--mono); font-size: 0.625rem;
  letter-spacing: var(--tr-label); text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.9rem; font-weight: 500;
}
.cs-aside + .cs-aside { margin-top: 1rem; }
.cs-aside--flat { position: static; }

/* Sticky stack: only the first aside pins, the rest ride with it */
.cs-rail { position: sticky; top: 6.5rem; display: grid; gap: 1rem; }
.cs-rail .cs-aside { position: static; }
@media (max-width: 940px) { .cs-rail { position: static; } }

/* ---- schematic: a real diagram, not a list of floating words ---- */

.schema {
  position: relative;
  border-radius: var(--r-lg);
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
  isolation: isolate;
  box-shadow: 0 26px 60px -40px rgba(8, 17, 34, 0.8);
}
.schema::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-dark-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark-soft) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(120% 80% at 85% 0%, #000 5%, transparent 78%);
  z-index: -1;
}

.schema__bar {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 0.95rem;
  border-bottom: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.035);
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--white);
}
.schema__bar em {
  margin-left: auto;
  font-style: normal;
  color: var(--muted-dark);
  text-transform: none;
  letter-spacing: 0;
}
.schema__bar i {
  width: 7px; height: 7px; border-radius: 1px;
  background: var(--accent);
  transform: rotate(45deg);
  flex: none;
}

.schema__body { padding: 1.1rem 1.1rem 1.25rem; }

.snode {
  position: relative;
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.045);
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.3;
  color: #D7DEEA;
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}
.snode:hover { border-color: rgba(245, 254, 144, 0.45); background: rgba(255, 255, 255, 0.075); }
.snode b { font-weight: 500; color: var(--white); }
.snode small { margin-left: auto; font-size: 0.625rem; color: var(--muted-dark); white-space: nowrap; }

/* endpoints of the flow read differently from the fan-out in the middle */
.snode--edge { border-style: dashed; border-color: rgba(245, 254, 144, 0.42); background: rgba(245, 254, 144, 0.055); }
.snode--edge b { color: var(--accent); }
.snode--gate { border-color: var(--accent); background: rgba(245, 254, 144, 0.1); }

/* the bus: a spine connecting the endpoint above to the endpoint below,
   with a tick into each branch node */
.schema__branch {
  position: relative;
  margin-left: 1.1rem;
  padding: 0.75rem 0 0.75rem 1.35rem;
  display: grid;
  gap: 0.4rem;
}
.schema__branch::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--line-dark), rgba(245,254,144,0.35), var(--line-dark));
}
.schema__branch .snode::before {
  content: "";
  position: absolute;
  left: -1.35rem;
  top: 50%;
  width: 1.35rem;
  height: 1px;
  background: var(--line-dark);
}
.schema__branch .snode::after {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 50%;
  width: 5px; height: 5px;
  margin-top: -2.5px;
  border-radius: 50%;
  background: var(--line-dark);
  transition: background 0.35s var(--ease);
}
.schema__branch .snode:hover::after { background: var(--accent); }

/* two-up variant when a branch has many peers */
.schema__branch--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.schema__branch--2 .snode { font-size: 0.65rem; padding: 0.5rem 0.55rem; }
.schema__branch--2 .snode:nth-child(even)::before,
.schema__branch--2 .snode:nth-child(even)::after { display: none; }

.schema__note {
  margin-top: 0.9rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line-dark);
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.03em;
  color: var(--muted-dark);
}

/* related links as tappable rows rather than bare text */
.rail-links { display: grid; gap: 1px; background: var(--line); border-radius: var(--r-md); overflow: hidden; }
.rail-links a {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--white);
  font-size: var(--t-sm);
  font-weight: 500;
  transition: background 0.3s var(--ease), padding-left 0.3s var(--ease);
}
.rail-links a:hover { background: var(--paper); padding-left: 1.35rem; }
.rail-links a span { color: var(--muted); transition: color 0.3s, transform 0.3s var(--ease); }
.rail-links a:hover span { color: var(--ink); transform: translateX(3px); }
.cs-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: start;
}
@media (max-width: 940px) {
  .cs-layout { grid-template-columns: 1fr; }
  .cs-aside { position: static; }
}

.cs-next {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  flex-wrap: wrap;
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: background 0.4s var(--ease);
}
.cs-next:hover { background: var(--paper); }

/* about page bits */
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.45fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 1rem + 3vw, 4rem);
  align-items: start;
}
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }
.split__label {
  font-family: var(--mono); font-size: var(--t-xs);
  letter-spacing: var(--tr-label); text-transform: uppercase; color: var(--muted);
}

.skill-block + .skill-block { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.skill-block h3 { font-size: var(--t-h5); margin-bottom: 1rem; display: flex; align-items: center; gap: 0.6rem; }
.skill-block ul { display: grid; gap: 0.7rem; }
.skill-block li { display: grid; grid-template-columns: 200px 1fr; gap: 1rem; font-size: var(--t-sm); }
.skill-block li b { font-weight: 500; }
.skill-block li span { color: var(--muted); }
@media (max-width: 620px) { .skill-block li { grid-template-columns: 1fr; gap: 0.15rem; } }

/* ------------------------------------------------------------ reveals */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

.hero [data-load] {
  opacity: 0;
  transform: translateY(20px);
  animation: rise 0.95s var(--ease) forwards;
  animation-delay: var(--d, 0ms);
}
@keyframes rise { to { opacity: 1; transform: none; } }

.skip {
  position: absolute; left: -9999px;
  z-index: 200; padding: 0.75rem 1.25rem;
  background: var(--accent); color: var(--ink); border-radius: var(--r-sm);
}
.skip:focus { left: var(--gutter); top: 0.75rem; }