/* ==========================================================================
   Atharva Usturge - Portfolio
   Swiss / International Typographic Style: strict grid, bold type scale,
   warm paper + near-black ink + a single red accent. No webfonts, no
   gradients, no glow. Structure is the decoration.
   ========================================================================== */

/* ---------------------------------------------------------------- Tokens */
:root {
  /* Palette */
  --paper:      #e6e3db;   /* warm grey */
  --paper-2:    #dfdcd3;   /* slightly deeper panel */
  --ink:        #16140f;   /* near-black, faintly warm */
  --ink-soft:   #5c574c;   /* muted secondary text */
  --accent:     #2c4f8a;   /* cobalt - brand accent */
  --loss:       #d94a3a;   /* semantic loss color (ticker downside) */
  --green:      #34c97a;   /* semantic gain color (ticker upside) */
  --rule:       rgba(22, 20, 15, 0.16);
  --rule-bold:  var(--ink);

  /* Type */
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  /* Fluid type scale */
  --fs-mono:    clamp(0.68rem, 0.62rem + 0.25vw, 0.78rem);
  --fs-body:    clamp(1rem, 0.96rem + 0.25vw, 1.12rem);
  --fs-lede:    clamp(1.25rem, 1rem + 1.1vw, 1.9rem);
  --fs-h3:      clamp(1.9rem, 1.3rem + 2.6vw, 3.4rem);
  --fs-h2:      clamp(2rem, 1.4rem + 3vw, 4rem);
  --fs-hero:    clamp(3rem, 1rem + 11.5vw, 11rem);

  /* Grid + rhythm */
  --maxw: 1500px;
  --gut:  clamp(1.1rem, 0.6rem + 2vw, 2.5rem);  /* page side padding + column gap */
  --section-pad: clamp(4.5rem, 3rem + 7vw, 9rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, p, ul, figure { margin: 0; }
ul { list-style: none; padding: 0; }
a  { color: inherit; text-decoration: none; }
strong { font-weight: 700; }

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

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

/* ---------------------------------------------------------------- Grid */
/* 12-column grid shared by every band; faint column rules give the page
   its visible Swiss structure. */
.grid {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gut);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gut);
}

/* ---------------------------------------------------------------- Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  font: 600 var(--fs-mono)/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* ---------------------------------------------------------------- Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.site-header__inner {
  align-items: center;
  min-height: 64px;
  padding-block: 0.7rem;
}
.wordmark {
  grid-column: 1 / span 6;
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 1.02rem;
}
.wordmark__dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateY(-1px);
}

/* Nav */
.nav { grid-column: 7 / span 6; justify-self: end; }
.nav__list {
  display: flex;
  gap: clamp(1rem, 0.3rem + 1.6vw, 2.4rem);
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.nav__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding-block: 0.35rem;
  position: relative;
  color: var(--ink-soft);
  transition: color 0.25s var(--ease);
}
.nav__num { color: var(--accent); font-size: 0.82em; }
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav__list a:hover,
.nav__list a:focus-visible { color: var(--ink); }
.nav__list a:hover::after,
.nav__list a:focus-visible::after,
.nav__list a.is-active::after { transform: scaleX(1); }
.nav__list a.is-active { color: var(--ink); }

.nav__toggle { display: none; }

/* ---------------------------------------------------------------- Hero */
.hero {
  padding-top: 0;
  padding-bottom: var(--section-pad);
  border-bottom: 2px solid var(--rule-bold);
  position: relative;
}
.hero__inner { padding-top: clamp(3rem, 2rem + 5vw, 6rem); }

/* ---- Live ticker (full-bleed, scrolls left forever, pauses on hover) ---- */
.ticker {
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 1px solid var(--ink);
  padding-block: 0.7rem;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
  cursor: default;
}
.ticker__track {
  display: inline-flex;
  align-items: center;
  gap: 1.6rem;
  animation: tickerSlide 42s linear infinite;
  will-change: transform;
}
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__item { display: inline-flex; align-items: baseline; gap: 0.6rem; }
.ticker__item--lead { color: var(--accent); font-weight: 700; }
.ticker__item--meta { opacity: 0.55; }
.ticker__item em      { color: var(--accent); font-style: normal; letter-spacing: 0.08em; }
.ticker__sym          { font-weight: 700; letter-spacing: 0.08em; }
.ticker__price        { font-weight: 500; opacity: 0.9; }
.ticker__pnl          { font-weight: 700; letter-spacing: 0.04em; }
.ticker__pnl--up      { color: var(--green); }
.ticker__pnl--down    { color: var(--loss); }
.ticker__sep { opacity: 0.35; }
@keyframes tickerSlide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
/* Brief background pulse whenever ticker.js detects a new trade. */
.ticker--flash { animation: tickerFlash 1.5s ease; }
@keyframes tickerFlash {
  0%   { background: var(--ink); }
  18%  { background: #3a3a35; }
  100% { background: var(--ink); }
}
.hero__meta {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  padding-bottom: clamp(1.5rem, 1rem + 4vw, 4rem);
  border-bottom: 1px solid var(--rule);
  margin-bottom: clamp(1.5rem, 1rem + 3vw, 3.5rem);
}
.hero__heading {
  grid-column: 1 / -1;
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.045em;
  text-transform: none;
}
/* padding-bottom extends the clip box so descenders (g, y, j) aren't cut off.
   line-height stays tight at 0.9 - only the clip region grows. */
.hero__heading .line { display: block; overflow: hidden; padding-bottom: 0.12em; }
/* Each line slides up from its clipped container on load (no observer needed). */
.hero__heading .line > span {
  display: block;
  transform: translateY(110%);
  animation: lineUp 0.9s var(--ease) forwards;
}
.hero__heading .line:nth-child(1) > span { animation-delay: 0.08s; }
.hero__heading .line:nth-child(2) > span { animation-delay: 0.18s; }
.hero__heading .line:nth-child(3) > span { animation-delay: 0.28s; }
.hero__heading .line--accent { color: var(--accent); }
@keyframes lineUp { to { transform: translateY(0); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

.hero__lede {
  grid-column: 1 / span 8;
  margin-top: clamp(1.5rem, 1rem + 2.5vw, 3rem);
  font-size: var(--fs-lede);
  line-height: 1.3;
  font-weight: 400;
  color: var(--ink);
  max-width: 22ch;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.5s forwards;
}
.hero__lede strong { color: var(--accent); font-weight: 700; }

.hero__contact {
  grid-column: 1 / -1;
  margin-top: clamp(2rem, 1.5rem + 2vw, 3rem);
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}
.hero__contact a {
  position: relative;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}
.hero__contact a::after {
  content: "";
  position: absolute; left: 0; bottom: -3px;
  width: 100%; height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.hero__contact a:hover { color: var(--accent); }
.hero__contact a:hover::after { background: var(--accent); transform: scaleX(1); }
.hero__contact-dot { opacity: 0.4; }

.hero__scroll {
  grid-column: 11 / span 2;
  align-self: end;
  justify-self: end;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}
.hero__scroll-arrow {
  font-size: 1.4rem;
  animation: nudge 1.8s var(--ease) infinite;
}
@keyframes nudge {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(6px); }
}

/* ---------------------------------------------------------------- Signal tape */
.signal {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 2px solid var(--ink);
}
.signal__grid {
  padding-block: clamp(2rem, 1.5rem + 2vw, 3rem);
  row-gap: 1rem;
  align-items: baseline;
}
.signal__label {
  grid-column: 1 / span 4;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.signal__note {
  grid-column: 5 / -1;
  max-width: 42ch;
  font-size: clamp(1.05rem, 0.95rem + 0.6vw, 1.35rem);
  color: rgba(242, 239, 232, 0.75);
}
.signal__rows {
  border-top: 1px solid rgba(242, 239, 232, 0.2);
  border-bottom: 1px solid rgba(242, 239, 232, 0.2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.signal__row {
  display: inline-flex;
  width: max-content;
  gap: 2rem;
  padding: 0.9rem 0;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
  animation: tape 22s linear infinite;
}
.signal__row span {
  position: relative;
  padding-left: 1.2rem;
}
.signal__row span::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.signal__row--reverse {
  animation-direction: reverse;
  opacity: 0.75;
}
@keyframes tape { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------------------------------------------------------------- Sections */
.section { padding-block: var(--section-pad); }
.section + .section { border-top: 1px solid var(--rule); }

.section__label {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  padding-bottom: 1.2rem;
  margin-bottom: clamp(1.5rem, 1rem + 2vw, 3rem);
  border-bottom: 1px solid var(--rule);
}

/* ---------------------------------------------------------------- About */
.about__body { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; }
.about__body { grid-template-columns: repeat(12, 1fr); column-gap: var(--gut); }

.about__heading {
  grid-column: 1 / span 9;
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin-bottom: clamp(2rem, 1.5rem + 3vw, 4rem);
}

.about__cols {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gut);
  row-gap: 2.5rem;
}
.about__bio {
  grid-column: 1 / span 7;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.22rem);
  line-height: 1.6;
}
.about__bio strong { color: var(--accent); }

.about__aside {
  grid-column: 9 / span 4;
  border-left: 2px solid var(--ink);
  padding-left: 1.4rem;
}
.about__aside-label {
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-bottom: 0.8rem;
}
.about__aside-label:not(:first-child) { margin-top: 1.8rem; }
.awards { display: flex; flex-direction: column; gap: 0.7rem; }
.awards li {
  display: flex;
  gap: 0.55rem;
  line-height: 1.3;
  font-size: 0.98rem;
}
.awards li span { color: var(--accent); font-weight: 700; }
.about__aside-note { font-size: 0.96rem; line-height: 1.45; color: var(--ink-soft); }
/* Promoted note — used for the "Incoming" Vise callout. Full-ink text,
   cobalt on the strong tags to match the accent used in the bio. */
.about__aside-note--highlight {
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 0.6rem;
}
.about__aside-note--highlight strong { color: var(--accent); }

/* Skills */
.skills {
  grid-column: 1 / -1;
  margin-top: clamp(2.5rem, 2rem + 3vw, 4.5rem);
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gut);
  row-gap: 2rem;
}
.skills__group { grid-column: span 6; }
.skills__group:first-child { grid-column: 1 / span 6; }
.skills__label {
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-bottom: 1.1rem;
}
.skills__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
}
.skills__list li {
  border: 1px solid var(--ink);
  padding: 0.35rem 0.8rem;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.skills__list li:hover { background: var(--ink); color: var(--paper); }

/* ---------------------------------------------------------------- Work */
.work__heading {
  grid-column: 1 / -1;
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.project {
  border-top: 1px solid var(--rule);
  padding-block: clamp(2.5rem, 2rem + 3vw, 4.5rem);
  transition: background 0.4s var(--ease);
}
.project:first-of-type { border-top: 2px solid var(--ink); margin-top: clamp(2rem, 1rem + 3vw, 3.5rem); }
.project:hover { background: var(--paper-2); }

.project__inner { row-gap: 1.4rem; align-items: start; }

.project__index {
  grid-column: 1 / span 2;
  font-family: var(--mono);
  font-size: clamp(1.4rem, 1rem + 2vw, 2.6rem);
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
}
.project__head { grid-column: 3 / span 9; }
.project__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 1rem;
}
.project__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--ink);
  color: var(--ink);
}
.tag--accent { background: var(--accent); border-color: var(--accent); color: var(--paper); }

.project__problem {
  grid-column: 3 / span 4;
  font-size: 1.05rem;
  line-height: 1.5;
}
.project__detail { grid-column: 8 / span 5; }

.project__field-label {
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin: 1.6rem 0 0.5rem;
}
.project__detail > .project__field-label:first-child,
.project__problem .project__field-label { margin-top: 0; }
.project__detail p:not(.project__field-label),
.project__problem p:not(.project__field-label) { line-height: 1.55; }

.project__stack {
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ink);
}
.project__draft code,
.project__draft em { font-style: normal; }
.project__draft code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--paper-2);
  padding: 0.1em 0.35em;
  border: 1px solid var(--rule);
}
.project:hover .project__draft code { background: var(--paper); }
.project__draft em { font-weight: 700; color: var(--accent); font-style: normal; }

/* TODO markers - deliberately visible so they don't ship by accident */
.todo {
  display: inline;
  font-family: var(--mono);
  font-size: 0.8rem;
  background: #fff4b8;
  color: #5a4b00;
  padding: 0.1em 0.4em;
  border: 1px dashed #b59a00;
  letter-spacing: 0;
  text-transform: none;
}

/* Code snippets */
.snippet { margin-top: 1.4rem; }
.snippet summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--rule);
  list-style: none;
}
.snippet summary::-webkit-details-marker { display: none; }
.snippet summary::before { content: "+ "; }
.snippet[open] summary::before { content: "– "; }
.snippet pre {
  margin: 1rem 0 0.4rem;
  background: var(--ink);
  color: #f2efe8;
  padding: 1.1rem 1.2rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.55;
}
.snippet code { font-family: var(--mono); }
.snippet__note {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Project media - collapsed by default; click "View screenshot" to expand.
   Mirrors the .snippet pattern so the page reads with one consistent toggle idiom. */
.project__media {
  grid-column: 3 / -1;
  margin: 2rem 0 0;
}
.project__media > summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--rule);
  list-style: none;
}
.project__media > summary::-webkit-details-marker { display: none; }
.project__media > summary::before { content: "+ "; }
.project__media[open] > summary::before { content: "– "; }
.project__media > summary:hover,
.project__media > summary:focus-visible { color: var(--ink); }
.project__media figure { margin: 1.2rem 0 0; }
.project__media img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--ink);
  background: var(--paper-2);
}
.project__media figcaption {
  margin-top: 0.6rem;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

/* Links / buttons */
.project__links { margin-top: 1.8rem; display: flex; flex-wrap: wrap; gap: 0.8rem; }
.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--ink);
  transition: background 0.22s var(--ease), color 0.22s var(--ease), transform 0.22s var(--ease);
}
.link-btn span { transition: transform 0.22s var(--ease); }
.link-btn:hover, .link-btn:focus-visible { background: var(--ink); color: var(--paper); }
.link-btn:hover span { transform: translate(2px, -2px); }
.link-btn--solid { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.link-btn--solid:hover, .link-btn--solid:focus-visible { background: var(--ink); border-color: var(--ink); }

/* ---------------------------------------------------------------- Resume */
.resume__body, .contact__body { grid-column: 1 / -1; }
.resume__heading, .contact__heading {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.02;
  max-width: 18ch;
}
.resume__tagline {
  margin-top: 1rem;
  max-width: 40ch;
  font-size: clamp(1.1rem, 1rem + 0.6vw, 1.45rem);
  color: var(--ink-soft);
}
.resume__signature {
  margin-top: 1.6rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.resume__stamp {
  width: 72px;
  height: 72px;
  border: 2px solid var(--ink);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.resume__signature-text {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.resume__signature-label {
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}
.resume__signature-values { font-size: 1rem; letter-spacing: 0.02em; }
.resume__actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.8rem; }
.resume__preview { margin-top: 2.5rem; }
.resume__preview iframe {
  width: 100%;
  height: clamp(420px, 80vh, 900px);
  border: 1px solid var(--ink);
  background: #fff;
}
.resume__fallback { margin-bottom: 1rem; }

/* ---------------------------------------------------------------- Contact */
.contact { background: var(--ink); color: var(--paper); }
.contact .section__label { color: var(--accent); border-color: rgba(242,239,232,0.18); }
.contact__heading { color: var(--paper); }
.contact__list {
  margin-top: clamp(2rem, 1.5rem + 3vw, 4rem);
  border-top: 1px solid rgba(242,239,232,0.2);
}
.contact__list li {
  display: grid;
  grid-template-columns: clamp(90px, 18%, 160px) 1fr;
  align-items: baseline;
  gap: 1rem;
  padding: clamp(1.2rem, 1rem + 1.5vw, 2.2rem) 0;
  border-bottom: 1px solid rgba(242,239,232,0.2);
}
.contact__key {
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(242,239,232,0.6);
}
.contact__list a {
  font-size: clamp(1.3rem, 1rem + 2vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  transition: color 0.22s var(--ease);
}
.contact__list a span { color: var(--accent); transition: transform 0.22s var(--ease); }
.contact__list a:hover { color: var(--accent); }
.contact__list a:hover span { transform: translate(3px, -3px); }

/* ---------------------------------------------------------------- Footer */
.site-footer {
  background: var(--ink);
  color: rgba(242,239,232,0.55);
  border-top: 1px solid rgba(242,239,232,0.15);
}
.site-footer__inner {
  padding-block: 1.6rem;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.site-footer__inner span:nth-child(1) { grid-column: 1 / span 4; }
.site-footer__inner span:nth-child(2) { grid-column: 5 / span 5; text-align: center; }
.site-footer__inner span:nth-child(3) { grid-column: 11 / span 2; text-align: right; }

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

/* ---------------------------------------------------------------- Reveal motion */
/* Scroll reveal is applied only when JS is active (.js on <html>), so the
   page is fully visible if JavaScript is disabled. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Tablet ----------------------------------------------------------------- */
@media (max-width: 900px) {
  .about__heading { grid-column: 1 / -1; }
  .about__bio { grid-column: 1 / span 12; }
  .about__aside {
    grid-column: 1 / span 12;
    border-left: 0;
    border-top: 2px solid var(--ink);
    padding-left: 0;
    padding-top: 1.4rem;
  }
  .skills__group, .skills__group:first-child { grid-column: 1 / span 12; }

  .project__head { grid-column: 3 / span 9; }
  .project__problem { grid-column: 3 / span 9; }
  .project__detail  { grid-column: 3 / span 9; }
  .project__media   { grid-column: 3 / span 9; }
}

/* Mobile ----------------------------------------------------------------- */
@media (max-width: 640px) {
  .hero__lede { grid-column: 1 / -1; max-width: none; }
  .hero__scroll { display: none; }
  .signal__label, .signal__note { grid-column: 1 / -1; }
  .signal__note { margin-top: 0.6rem; }

  /* Collapsing nav into a toggle */
  .wordmark { grid-column: 1 / span 8; }
  .nav { grid-column: 9 / span 4; }
  .nav__toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: 1px solid var(--ink);
    padding: 0.45rem 0.7rem;
    font: 600 var(--fs-mono)/1 var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink);
    cursor: pointer;
  }
  .nav__toggle-bars { display: inline-flex; flex-direction: column; gap: 3px; }
  .nav__toggle-bars i { width: 16px; height: 2px; background: var(--ink); transition: transform 0.25s var(--ease); }
  .nav__toggle[aria-expanded="true"] .nav__toggle-bars i:nth-child(1) { transform: translateY(2.5px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] .nav__toggle-bars i:nth-child(2) { transform: translateY(-2.5px) rotate(-45deg); }

  .nav__list {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: var(--paper);
    border-bottom: 2px solid var(--ink);
    padding: 0.5rem var(--gut) 1.5rem;
    font-size: 0.9rem;
    transform: translateY(-120%);
    transition: transform 0.4s var(--ease);
    box-shadow: 0 18px 30px -24px rgba(0,0,0,0.5);
  }
  .nav__list.is-open { transform: none; }
  .nav__list li { border-bottom: 1px solid var(--rule); }
  .nav__list a { padding: 1rem 0; width: 100%; font-size: 1.1rem; }
  .nav__list a::after { display: none; }

  .project__index { grid-column: 1 / span 12; }
  .project__head,
  .project__problem,
  .project__detail,
  .project__media { grid-column: 1 / span 12; }

  .contact__list li { grid-template-columns: 1fr; gap: 0.3rem; }

  .site-footer__inner span { grid-column: 1 / -1 !important; text-align: left !important; }
  .site-footer__inner span:nth-child(2) { color: rgba(242,239,232,0.4); }
}

/* ---------------------------------------------------------------- Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .hero__heading .line > span,
  .hero__lede { animation: none !important; transform: none !important; opacity: 1 !important; }
  .signal__row { animation: none !important; transform: none !important; }
  .ticker__track { animation: none !important; transform: none !important; }
  .ticker--flash { animation: none !important; }
}