/* ═══════════════════════════════════════════════════════════════
   DESIGN TOKENS
   ═══════════════════════════════════════════════════════════════ */
:root {
  /* Colour — warm technical editorial */
  --c-bg:        #11110f;
  --c-bg-alt:    #191816;
  --c-bg-hover:  #211f1c;
  --c-ink:       #f1eee7;
  --c-ink-mid:   #aaa59b;
  --c-ink-faint: #8b867d;
  --c-rule:      #302e29;
  --c-accent:    #ed633f;
  --c-accent-dk: #cf4e2e;
  --c-on-accent: #1b0d08;

  /* Typography */
  --f-display: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --f-sans:   'IBM Plex Sans', system-ui, -apple-system, BlinkMacSystemFont,
              'Segoe UI', sans-serif;
  --f-mono:   'IBM Plex Mono', 'Courier New', monospace;

  /* Scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.375rem;
  --text-2xl:  1.75rem;
  --text-3xl:  2.25rem;
  --text-4xl:  3rem;
  --text-5xl:  4rem;
  --text-6xl:  5.5rem;

  /* Spacing */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;

  /* Layout */
  --max-w: 72rem;          /* 1152px */
  --gutter: clamp(1.25rem, 5vw, 3rem);

  /* Motion */
  --dur-fast: 150ms;
  --dur-mid:  250ms;
  --ease:     cubic-bezier(0.16, 1, 0.3, 1);
}

/* ═══════════════════════════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

section[id] { scroll-margin-top: 5rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration:   0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration:  0.01ms !important;
  }
}

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 500ms var(--ease) var(--reveal-delay, 0ms),
    transform 500ms var(--ease) var(--reveal-delay, 0ms);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

body {
  background-color: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--f-sans);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; }
a:not([class]) { text-underline-offset: 3px; }

ul, ol { list-style: none; }

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

/* ═══════════════════════════════════════════════════════════════
   FOCUS — always visible, never hidden
   ═══════════════════════════════════════════════════════════════ */
:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 2px;
}
:focus:not(:focus-visible) { outline: none; }

/* ═══════════════════════════════════════════════════════════════
   SKIP LINK
   ═══════════════════════════════════════════════════════════════ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-4);
  z-index: 1000;
  padding: var(--sp-2) var(--sp-4);
  background: var(--c-accent);
  color: var(--c-on-accent);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
  transition: top var(--dur-fast);
}
.skip-link:focus { top: var(--sp-4); }

/* ═══════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 100;
  background: rgba(17, 17, 15, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-rule);
  transition: box-shadow var(--dur-mid) var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 8px 36px rgba(0, 0, 0, 0.24); }

/* Scroll progress hairline — sits on top of the fixed header */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 200;
  background: var(--c-accent);
  transform-origin: 0 50%;
  transform: scaleX(0);
  pointer-events: none;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin-inline: auto;
  padding: var(--sp-4) var(--gutter);
  gap: var(--sp-8);
}

.nav__logo {
  display: inline-flex;
  align-items: baseline;
  gap: var(--sp-3);
  text-decoration: none;
  color: var(--c-ink);
  flex-shrink: 0;
  transition: color var(--dur-fast);
}
.nav__logo:hover { color: var(--c-accent); }

.nav__monogram {
  font-family: var(--f-display);
  font-size: 1.65rem;
  font-style: italic;
  line-height: 1;
}

.nav__wordmark {
  color: var(--c-ink-faint);
  font-family: var(--f-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color var(--dur-fast);
}

.nav__logo:hover .nav__wordmark { color: var(--c-ink-mid); }

/* Desktop menu */
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--c-ink-mid);
  position: relative;
  transition: color var(--dur-fast);
}
.nav__link > span {
  color: var(--c-accent);
  font-family: var(--f-mono);
  font-size: 0.58rem;
  letter-spacing: 0;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--c-accent);
  transition: width var(--dur-mid) var(--ease);
}
.nav__link:hover { color: var(--c-ink); }
.nav__link:hover::after { width: 100%; }

/* Section currently in view (set by scroll-spy) */
.nav__link[aria-current] { color: var(--c-ink); }
.nav__link[aria-current]::after { width: 100%; }

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
}
.nav__bar {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--c-ink);
  transition: transform var(--dur-mid) var(--ease), opacity var(--dur-fast);
  transform-origin: center;
}

/* Mobile */
@media (max-width: 640px) {
  .nav__toggle { display: flex; }

  .nav__menu {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: var(--sp-6);
    background: var(--c-bg);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      opacity var(--dur-mid) var(--ease),
      visibility 0s linear var(--dur-mid);
  }
  .nav__menu.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
  }
  .nav__link {
    font-size: var(--text-2xl);
    letter-spacing: -0.02em;
    text-transform: none;
    font-weight: 600;
  }
  .nav__link > span { font-size: var(--text-xs); }
  .nav__link::after { display: none; }

  .no-js .nav__toggle { display: none; }
  .no-js .nav__menu {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--sp-3);
    background: transparent;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .no-js .nav__link {
    font-size: 0.7rem;
    letter-spacing: 0.04em;
  }

  /* Animate bars into × */
  .nav__toggle[aria-expanded="true"] .nav__bar:first-child {
    transform: translateY(6.5px) rotate(45deg);
  }
  .nav__toggle[aria-expanded="true"] .nav__bar:last-child {
    transform: translateY(-6.5px) rotate(-45deg);
  }
}

/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */
.hero {
  --hero-x: 0;
  --hero-y: 0;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: var(--sp-32) var(--gutter) var(--sp-16);
  max-width: var(--max-w);
  margin-inline: auto;
  gap: var(--sp-8);
  isolation: isolate;
  position: relative;
  overflow: hidden;
}

.hero__inner,
.hero__index {
  position: relative;
  z-index: 2;
}

.hero__blueprint {
  position: absolute;
  top: 6.5rem;
  right: max(var(--gutter), calc((100vw - var(--max-w)) / 2));
  width: min(52vw, 41rem);
  aspect-ratio: 1.18;
  color: var(--c-accent);
  opacity: 0.72;
  pointer-events: none;
  transform: translate3d(
    calc(var(--hero-x) * 8px),
    calc(var(--hero-y) * 8px),
    0
  );
  transition: transform 500ms var(--ease);
  z-index: -1;
}

.blueprint__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(237, 99, 63, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(237, 99, 63, 0.09) 1px, transparent 1px);
  background-size: 3rem 3rem;
  border: 1px solid rgba(237, 99, 63, 0.12);
  -webkit-mask-image: linear-gradient(135deg, transparent 4%, black 44%, transparent 92%);
  mask-image: linear-gradient(135deg, transparent 4%, black 44%, transparent 92%);
}

.blueprint__orbit,
.blueprint__axis,
.blueprint__node,
.blueprint__coordinate,
.blueprint__caption { position: absolute; }

.blueprint__orbit {
  border: 1px solid rgba(237, 99, 63, 0.42);
  border-radius: 50%;
}

.blueprint__orbit--outer {
  width: 58%;
  aspect-ratio: 1;
  right: 9%;
  top: 10%;
}

.blueprint__orbit--inner {
  width: 34%;
  aspect-ratio: 1;
  right: 21%;
  top: 25%;
  border-style: dashed;
  opacity: 0.65;
}

.blueprint__axis--x {
  width: 82%;
  height: 1px;
  right: 0;
  top: 45%;
  background: rgba(237, 99, 63, 0.38);
}

.blueprint__axis--y {
  width: 1px;
  height: 82%;
  right: 38%;
  top: 0;
  background: rgba(237, 99, 63, 0.38);
}

.blueprint__node {
  width: 0.55rem;
  aspect-ratio: 1;
  background: var(--c-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(237, 99, 63, 0.12);
}

.blueprint__node--one { right: 37.35%; top: 44.2%; }
.blueprint__node--two { right: 9%; top: 44.2%; }
.blueprint__node--three { right: 37.35%; top: 9.4%; }

.blueprint__coordinate,
.blueprint__caption {
  color: var(--c-ink-faint);
  font-family: var(--f-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  line-height: 1.7;
}

.blueprint__coordinate { right: 1%; bottom: 9%; }
.blueprint__caption { left: 7%; top: 19%; }

.hero__scroll {
  position: absolute;
  bottom: var(--sp-8);
  left: 50%;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--c-ink-faint);
  font-family: var(--f-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transform: translateX(-50%) rotate(90deg) translateX(-50%);
  transform-origin: left center;
}

.hero__scroll i {
  display: block;
  width: 2.75rem;
  height: 1px;
  overflow: hidden;
  background: var(--c-rule);
  position: relative;
}

.hero__scroll i::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--c-accent);
  transform: translateX(-100%);
  animation: scroll-line 2.4s var(--ease) infinite;
}

@keyframes scroll-line {
  0%, 15% { transform: translateX(-100%); }
  55%, 100% { transform: translateX(100%); }
}

@media (prefers-reduced-motion: no-preference) {
  .hero__kicker,
  .hero__name-line,
  .hero__tagline,
  .hero__actions { animation: hero-rise 0.7s var(--ease) backwards; }
  .hero__name-line:first-child { animation-delay: 70ms; }
  .hero__name-line--accent { animation-delay: 140ms; }
  .hero__tagline { animation-delay: 220ms; }
  .hero__actions { animation-delay: 300ms; }
}

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(18px); }
}

@media (max-width: 640px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: calc(var(--sp-24) + 3rem);
    padding-bottom: var(--sp-12);
    align-items: center;
  }
  .hero__index { display: none; }
  .hero__scroll { display: none; }
}

.hero__inner { max-width: 46rem; }

.hero__kicker {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-ink-mid);
  margin-bottom: var(--sp-6);
}
.kicker-rule {
  display: block;
  width: 2.5rem;
  height: 1px;
  background: var(--c-accent);
  flex-shrink: 0;
}

.hero__name {
  font-family: var(--f-display);
  font-size: clamp(4.5rem, 10vw, 8.75rem);
  font-weight: 400;
  line-height: 0.76;
  letter-spacing: -0.045em;
  color: var(--c-ink);
  margin-bottom: var(--sp-10);
}

.hero__name-line { display: block; }
.hero__name-line--accent {
  font-style: italic;
  margin-left: 0.42em;
}
.hero__name-line em {
  color: var(--c-accent);
  font-style: inherit;
}

.hero__tagline {
  font-size: clamp(var(--text-base), 2vw, var(--text-lg));
  color: var(--c-ink-mid);
  line-height: 1.6;
  margin-bottom: var(--sp-10);
  max-width: 34rem;
}

.hero__tagline br { display: none; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

/* Rotated index */
.hero__index {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--sp-2);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink-faint);
  font-family: var(--f-mono);
  padding-bottom: var(--sp-4);
  white-space: nowrap;
}

@media (max-width: 760px) {
  .hero__index { display: none; }
  .hero__blueprint {
    right: -18%;
    top: 7rem;
    width: 92vw;
    opacity: 0.42;
  }
  .blueprint__caption { display: none; }
}

@media (max-width: 420px) {
  .nav__wordmark { display: none; }
  .hero__name { font-size: clamp(4.15rem, 22vw, 5.5rem); }
  .hero__name-line--accent { margin-left: 0; }
}

/* ═══════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-3) var(--sp-6);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  gap: var(--sp-6);
  transition:
    background-color var(--dur-fast),
    color           var(--dur-fast),
    border-color    var(--dur-fast),
    transform       var(--dur-fast),
    box-shadow      var(--dur-mid) var(--ease);
}

.btn__icon {
  font-size: 1.05em;
  transition: transform var(--dur-mid) var(--ease);
}

.btn--fill:hover,
.btn--fill:focus-visible {
  box-shadow: 0 12px 32px rgba(237, 99, 63, 0.16);
}

.btn--fill {
  background: var(--c-accent);
  color: var(--c-on-accent);
  border-color: var(--c-accent);
}
.btn--fill:hover {
  background: var(--c-accent-dk);
  border-color: var(--c-accent-dk);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--c-ink);
  border-color: var(--c-ink-faint);
}
.btn--ghost:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  transform: translateY(-2px);
}

.btn:hover .btn__icon { transform: translate(3px, -2px); }

.btn--sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-xs);
}

/* ═══════════════════════════════════════════════════════════════
   SHARED SECTION STYLES
   ═══════════════════════════════════════════════════════════════ */
.section {
  padding: var(--sp-24) var(--gutter);
  max-width: var(--max-w);
  margin-inline: auto;
}

.section__head {
  display: flex;
  align-items: baseline;
  gap: var(--sp-4);
  margin-bottom: var(--sp-12);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--c-rule);
}

.section__num {
  font-family: var(--f-mono);
  font-size: var(--text-xs);
  color: var(--c-accent);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.section__title {
  font-family: var(--f-display);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.section__meta {
  margin-left: auto;
  color: var(--c-ink-faint);
  font-family: var(--f-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-align: right;
}

/* ═══════════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════════ */
.about {
  background: var(--c-bg);
  position: relative;
}

.about__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(20rem, 0.92fr);
  gap: clamp(var(--sp-8), 6vw, var(--sp-24));
  align-items: start;
}

.about__bio {
  padding-left: clamp(var(--sp-6), 3vw, var(--sp-10));
  position: relative;
}

.about__bio::before {
  content: '';
  position: absolute;
  top: 0.55rem;
  bottom: 0;
  left: 0;
  width: 1px;
  background: linear-gradient(var(--c-accent), var(--c-rule) 38%, transparent);
}

.about__bio::after {
  content: 'PROFILE / 01.1';
  position: absolute;
  top: 0;
  left: -0.3rem;
  color: var(--c-accent);
  font-family: var(--f-mono);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  transform: rotate(-90deg) translateX(-100%);
  transform-origin: left top;
}

@media (max-width: 768px) {
  .about__layout { grid-template-columns: 1fr; }
  .section__meta { display: none; }
}

.about__bio .about__lead {
  color: var(--c-ink);
  font-family: var(--f-display);
  font-size: clamp(1.9rem, 3.25vw, 2.8rem);
  font-style: italic;
  letter-spacing: -0.025em;
  line-height: 1.13;
  margin-bottom: var(--sp-8);
  max-width: 19ch;
}

.about__bio p {
  color: var(--c-ink-mid);
  margin-bottom: var(--sp-4);
}

.about__bio .btn { margin-top: var(--sp-6); }

/* Skills */
.skills__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  font-family: var(--f-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-ink-faint);
  margin-bottom: 0;
  padding: 0 var(--sp-3) var(--sp-3);
  border-bottom: 1px solid var(--c-rule);
}

.skills__heading span:last-child {
  color: var(--c-accent);
  font-size: 0.55rem;
  font-weight: 400;
}

.skills__list { display: flex; flex-direction: column; }

.skill {
  display: grid;
  grid-template-columns: 2rem 6.5rem 1fr;
  gap: var(--sp-4);
  padding: calc(var(--sp-4) + var(--sp-1)) var(--sp-3);
  border-bottom: 1px solid var(--c-rule);
  align-items: baseline;
  transition: background-color var(--dur-mid), color var(--dur-fast);
}

.skill:hover { background: rgba(237, 99, 63, 0.045); }

.skill__index {
  color: var(--c-accent);
  font-family: var(--f-mono);
  font-size: 0.58rem;
}

.skill__cat {
  font-family: var(--f-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-ink-faint);
}

.skill__items {
  font-family: var(--f-mono);
  font-size: 0.76rem;
  color: var(--c-ink-mid);
  line-height: 1.65;
  transition: color var(--dur-fast), transform var(--dur-mid) var(--ease);
}

.skill:hover .skill__items {
  color: var(--c-ink);
  transform: translateX(3px);
}

/* ═══════════════════════════════════════════════════════════════
   PROJECTS
   ═══════════════════════════════════════════════════════════════ */
.projects { background: var(--c-bg-alt); }

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;                          /* gap as ruled line */
  background: var(--c-rule);         /* reveals as border */
  border: 1px solid var(--c-rule);
}

@media (max-width: 768px) {
  .projects__grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--c-bg-alt);
  padding: clamp(var(--sp-6), 4vw, var(--sp-10));
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  position: relative;
  overflow: hidden;
  transition:
    background-color var(--dur-mid) var(--ease),
    box-shadow var(--dur-mid) var(--ease),
    transform var(--dur-mid) var(--ease);
}
.card:hover {
  background: var(--c-bg-hover);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
  transform: translateY(-3px);
  z-index: 1;
}

/* Oxide hairline sweeps across the card top on hover */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-mid) var(--ease);
}
.card:hover::after,
.card:focus-within::after { transform: scaleX(1); }

/* An odd card left alone in the final row spans the full width */
.card:nth-child(even):last-child { grid-column: 1 / -1; }

/* Featured card spans full width */
.card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto auto auto 1fr;
  column-gap: clamp(var(--sp-8), 4vw, var(--sp-16));
}
.card--featured .card__meta   { grid-column: 1; }
.card--featured .card__title  { grid-column: 1; }
.card--featured .card__desc   { grid-column: 1; }
.card--featured .card__tech   { grid-column: 1; }
.card--featured .card__footer { grid-column: 1 / -1; }

.card__figure {
  position: absolute;
  top: clamp(var(--sp-4), 3vw, var(--sp-8));
  right: clamp(var(--sp-4), 3vw, var(--sp-8));
  color: transparent;
  font-family: var(--f-display);
  font-size: clamp(4.5rem, 8vw, 7rem);
  font-style: italic;
  line-height: 0.8;
  opacity: 0.22;
  pointer-events: none;
  -webkit-text-stroke: 1px var(--c-ink-faint);
  transition:
    opacity var(--dur-mid),
    transform 400ms var(--ease),
    -webkit-text-stroke-color var(--dur-mid);
}

.card:hover .card__figure {
  opacity: 0.48;
  transform: translate(-3px, 3px);
  -webkit-text-stroke-color: var(--c-accent);
}

@media (max-width: 640px) {
  .card--featured { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .hero__actions { display: grid; }
  .hero__actions .btn { justify-content: center; }

  .skill {
    grid-template-columns: 1.5rem 1fr;
    gap: var(--sp-1) var(--sp-3);
  }
  .skill__items { grid-column: 2; }
}

.card__meta {
  display: flex;
  gap: var(--sp-4);
  align-items: center;
  padding-right: 5rem;
}

.card__year {
  font-family: var(--f-mono);
  font-size: var(--text-xs);
  color: var(--c-ink-faint);
  letter-spacing: 0.08em;
}

.card__type {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  padding: 2px var(--sp-2);
  border: 1px solid var(--c-accent);
}

.card__title {
  font-family: var(--f-display);
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--c-ink);
  max-width: 19ch;
}

.card__desc {
  font-size: var(--text-sm);
  color: var(--c-ink-mid);
  line-height: 1.7;
  max-width: 42rem;
}

.card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.card__tech li {
  font-family: var(--f-mono);
  font-size: var(--text-xs);
  color: var(--c-ink-faint);
  padding: 2px var(--sp-2);
  border: 1px solid var(--c-rule);
  letter-spacing: 0.05em;
}

.card__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-top: auto;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--c-rule);
  color: var(--c-ink-faint);
  font-family: var(--f-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.card__link {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--c-ink);
  transition: color var(--dur-fast), transform var(--dur-fast) var(--ease);
}
.card__link:hover {
  color: var(--c-accent);
  transform: translateX(3px);
}

/* ═══════════════════════════════════════════════════════════════
   EXPERIENCE
   ═══════════════════════════════════════════════════════════════ */
.experience {
  background: var(--c-bg);
  position: relative;
}

.xp__list { display: flex; flex-direction: column; }

.xp__item {
  display: grid;
  grid-template-columns: 3.5rem 7rem minmax(0, 1fr);
  gap: clamp(var(--sp-4), 3vw, var(--sp-10));
  padding: clamp(var(--sp-8), 5vw, var(--sp-12)) var(--sp-4);
  border-bottom: 1px solid var(--c-rule);
  align-items: start;
  position: relative;
  transition: background-color var(--dur-mid) var(--ease);
}
.xp__item:first-child { border-top: 1px solid var(--c-rule); }
.xp__item:hover { background: rgba(237, 99, 63, 0.035); }

.xp__item::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 4.65rem;
  width: 1px;
  background: var(--c-rule);
}

.xp__item::after {
  content: '';
  position: absolute;
  top: calc(var(--sp-12) + 0.25rem);
  left: calc(4.65rem - 0.22rem);
  width: 0.45rem;
  aspect-ratio: 1;
  border: 1px solid var(--c-accent);
  border-radius: 50%;
  background: var(--c-bg);
  transition: background-color var(--dur-fast), box-shadow var(--dur-mid);
}

.xp__item:hover::after {
  background: var(--c-accent);
  box-shadow: 0 0 0 5px rgba(237, 99, 63, 0.12);
}

.xp__index {
  color: var(--c-accent);
  font-family: var(--f-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  padding-top: 0.28rem;
}

@media (max-width: 540px) {
  .xp__item {
    grid-template-columns: 2.25rem 1fr;
    gap: var(--sp-3);
    padding-inline: 0;
  }
  .xp__item::before { left: 1rem; }
  .xp__item::after { left: calc(1rem - 0.22rem); }
  .xp__period,
  .xp__body { grid-column: 2; }
  .xp__index { grid-column: 1; grid-row: 1; }
}

.xp__period {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.35em;
  font-family: var(--f-mono);
  font-size: var(--text-xs);
  color: var(--c-ink-faint);
  letter-spacing: 0.05em;
  line-height: 1.6;
  padding-top: 0.25rem;
}

.xp__period span { display: inline; }

.xp__role {
  font-family: var(--f-display);
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  font-weight: 400;
  color: var(--c-ink);
  margin-bottom: var(--sp-2);
  letter-spacing: -0.025em;
  line-height: 1.05;
  transition: color var(--dur-fast), transform var(--dur-mid) var(--ease);
}
.xp__item:hover .xp__role {
  color: var(--c-accent);
  transform: translateX(3px);
}

.xp__org {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  color: var(--c-ink-mid);
  margin-bottom: var(--sp-4);
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.xp__loc {
  color: var(--c-ink-faint);
}

.xp__desc {
  font-size: var(--text-sm);
  color: var(--c-ink-mid);
  line-height: 1.7;
  max-width: 48rem;
}

.xp__item--award .xp__role::after {
  content: " ✦";
  color: var(--c-accent);
  font-size: 0.85em;
}

/* ═══════════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════════ */
.contact {
  background: var(--c-bg-alt);
  color: var(--c-ink);
  max-width: unset;
  min-height: 78svh;
  padding-block: var(--sp-24);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  width: min(42rem, 75vw);
  aspect-ratio: 1;
  right: -12rem;
  bottom: -24rem;
  border: 1px solid rgba(237, 99, 63, 0.22);
  border-radius: 50%;
  box-shadow:
    0 0 0 5rem rgba(237, 99, 63, 0.018),
    0 0 0 10rem rgba(237, 99, 63, 0.012);
  pointer-events: none;
}

.contact .section__head {
  max-width: var(--max-w);
  margin-inline: auto;
  border-bottom-color: rgba(255,255,255,0.12);
}

.contact .section__num { color: var(--c-accent); }
.contact .section__title { color: var(--c-ink); }

.contact__inner {
  display: grid;
  grid-template-columns: minmax(15rem, 0.7fr) minmax(0, 1.3fr);
  align-items: end;
  gap: clamp(var(--sp-10), 7vw, var(--sp-24));
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 0;
  position: relative;
  z-index: 1;
}

.contact__status {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--c-ink-faint);
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-6);
  text-transform: uppercase;
}

.contact__status i {
  width: 0.45rem;
  aspect-ratio: 1;
  background: var(--c-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(237, 99, 63, 0.35);
  animation: status-pulse 2.4s ease-out infinite;
}

@keyframes status-pulse {
  45%, 100% { box-shadow: 0 0 0 0.5rem rgba(237, 99, 63, 0); }
}

.contact__lead {
  font-size: clamp(var(--text-base), 1.8vw, var(--text-lg));
  color: var(--c-ink-mid);
  max-width: 30rem;
  line-height: 1.6;
}

.contact__label {
  display: block;
  color: var(--c-accent);
  font-family: var(--f-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  margin-bottom: var(--sp-4);
}

.contact__email {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-6);
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(2rem, 4.2vw, 4rem);
  font-style: italic;
  letter-spacing: -0.035em;
  line-height: 1.05;
  overflow-wrap: anywhere;
  color: var(--c-ink);
  text-decoration: none;
  margin-bottom: var(--sp-12);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--c-accent);
  transition: color var(--dur-fast), padding-left var(--dur-mid) var(--ease);
}
.contact__email:hover {
  color: var(--c-accent);
  padding-left: var(--sp-2);
}

.contact__email span {
  font-family: var(--f-sans);
  font-size: 0.35em;
  font-style: normal;
  transition: transform var(--dur-mid) var(--ease);
}
.contact__email:hover span { transform: translate(3px, -3px); }

.contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.contact__social {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--c-ink-mid);
  transition: color var(--dur-fast), border-color var(--dur-fast);
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--c-rule);
}
.contact__social:hover {
  color: var(--c-ink);
  border-color: var(--c-accent);
}
.contact__social span:last-child { color: var(--c-accent); }

@media (max-width: 768px) {
  .contact { min-height: auto; }
  .contact__inner { grid-template-columns: 1fr; align-items: start; }
  .contact__email { font-size: clamp(1.8rem, 8vw, 3rem); }
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--c-bg);
  color: var(--c-ink-faint);
  padding: var(--sp-8) var(--gutter);
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-2);
  max-width: unset;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  font-family: var(--f-mono);
}

.footer__sub { color: var(--c-ink-faint); }

.footer__top {
  color: var(--c-ink-mid);
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--dur-fast);
}
.footer__top:hover { color: var(--c-accent); }
.footer__top span {
  display: inline-block;
  margin-left: var(--sp-2);
  transition: transform var(--dur-mid) var(--ease);
}
.footer__top:hover span { transform: translateY(-3px); }

@media (max-width: 540px) {
  .site-footer { align-items: flex-start; flex-direction: column; }
  .footer__top { margin-top: var(--sp-4); }
}

/* ═══════════════════════════════════════════════════════════════
   SECTION DIVIDERS — full-bleed stripe between about & projects
   ═══════════════════════════════════════════════════════════════ */
.about  + .projects { padding-top: var(--sp-24); }

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

.chat-widget {
  position: fixed;
  right: clamp(var(--sp-4), 2.5vw, var(--sp-8));
  bottom: clamp(var(--sp-4), 2.5vw, var(--sp-8));
  z-index: 300;
  font-family: var(--f-sans);
}

.chat-launcher {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  min-height: 3.25rem;
  padding: 0 var(--sp-4);
  border: 1px solid var(--c-rule);
  background: rgba(25, 24, 22, 0.94);
  color: var(--c-ink);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.32);
  cursor: pointer;
  font: 500 0.7rem/1 var(--f-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    border-color var(--dur-fast),
    color var(--dur-fast),
    opacity var(--dur-fast),
    transform var(--dur-mid) var(--ease);
}

.chat-launcher:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  transform: translateY(-2px);
}

.chat-launcher__signal {
  display: grid;
  place-items: center;
  width: 1rem;
  aspect-ratio: 1;
  border: 1px solid rgba(237, 99, 63, 0.45);
  border-radius: 50%;
}

.chat-launcher__signal i {
  width: 0.3rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--c-accent);
}

.chat-launcher__icon {
  margin-left: var(--sp-2);
  color: var(--c-accent);
  transition: transform var(--dur-mid) var(--ease);
}
.chat-launcher:hover .chat-launcher__icon { transform: translate(2px, -2px); }

.chat-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + var(--sp-3));
  display: flex;
  flex-direction: column;
  width: min(25rem, calc(100vw - 2rem));
  height: min(38rem, calc(100svh - 7rem));
  border: 1px solid var(--c-rule);
  background: rgba(17, 17, 15, 0.97);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  overflow: hidden;
  transform: translateY(12px) scale(0.985);
  transform-origin: right bottom;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--dur-mid) var(--ease),
    transform var(--dur-mid) var(--ease),
    visibility 0s linear var(--dur-mid);
}

.chat-widget--open .chat-panel {
  opacity: 1;
  transform: none;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.chat-widget--open .chat-launcher {
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
}

.chat-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-6);
  border-bottom: 1px solid var(--c-rule);
}

.chat-panel__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--c-ink-faint);
  font: 500 0.65rem/1 var(--f-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.chat-panel__eyebrow i {
  width: 0.35rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--c-accent);
}

.chat-panel__header h2 {
  margin-top: var(--sp-2);
  color: var(--c-ink);
  font: italic 400 2rem/1 var(--f-display);
  letter-spacing: -0.025em;
}

.chat-panel__close {
  display: grid;
  place-items: center;
  width: 2rem;
  aspect-ratio: 1;
  border: 1px solid var(--c-rule);
  background: transparent;
  color: var(--c-ink-mid);
  cursor: pointer;
  font: 400 1.25rem/1 var(--f-sans);
  transition: border-color var(--dur-fast), color var(--dur-fast), transform var(--dur-fast);
}
.chat-panel__close:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  transform: rotate(4deg);
}

.chat-messages {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  padding: var(--sp-6);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--c-rule) transparent;
}

.chat-message {
  align-self: flex-start;
  max-width: 88%;
  padding: var(--sp-3) var(--sp-4);
  border-left: 1px solid var(--c-accent);
  background: var(--c-bg-alt);
  color: var(--c-ink-mid);
  font-size: var(--text-sm);
  line-height: 1.55;
  animation: chat-message-in 280ms var(--ease) both;
}

.chat-message--user {
  align-self: flex-end;
  border-left: 0;
  border-right: 1px solid var(--c-ink-faint);
  background: var(--c-bg-hover);
  color: var(--c-ink);
}

.chat-message__label {
  display: block;
  margin-bottom: var(--sp-2);
  color: var(--c-accent);
  font: 500 0.625rem/1 var(--f-mono);
  letter-spacing: 0.12em;
}
.chat-message--user .chat-message__label {
  color: var(--c-ink-faint);
  text-align: right;
}

.chat-message__link {
  display: inline-block;
  margin-top: var(--sp-3);
  color: var(--c-accent);
  font: 500 0.62rem/1 var(--f-mono);
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.chat-message--typing {
  display: flex;
  gap: 0.3rem;
  width: auto;
}
.chat-message--typing span {
  width: 0.3rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--c-accent);
  animation: chat-typing 1s ease-in-out infinite alternate;
}
.chat-message--typing span:nth-child(2) { animation-delay: 120ms; }
.chat-message--typing span:nth-child(3) { animation-delay: 240ms; }

@keyframes chat-message-in {
  from { opacity: 0; transform: translateY(6px); }
}
@keyframes chat-typing {
  from { opacity: 0.25; transform: translateY(2px); }
  to { opacity: 1; transform: translateY(-2px); }
}

.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding: 0 var(--sp-6) var(--sp-4);
}
.chat-suggestions[hidden] { display: none; }
.chat-suggestions button {
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--c-rule);
  background: transparent;
  color: var(--c-ink-mid);
  cursor: pointer;
  font: 400 0.65rem/1.25 var(--f-mono);
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.chat-suggestions button:hover {
  border-color: var(--c-accent);
  color: var(--c-ink);
}

.chat-form {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: var(--sp-2);
  margin: 0 var(--sp-6);
  border-top: 1px solid var(--c-rule);
  border-bottom: 1px solid var(--c-rule);
}

.chat-form textarea {
  width: 100%;
  max-height: 6rem;
  padding: var(--sp-4) 0;
  border: 0;
  outline: 0;
  resize: none;
  background: transparent;
  color: var(--c-ink);
  font: 400 var(--text-sm)/1.45 var(--f-sans);
}
.chat-form textarea::placeholder { color: var(--c-ink-faint); }
.chat-form textarea:focus-visible { outline: 0; }
.chat-form:focus-within { border-color: var(--c-accent); }

.chat-form__send {
  display: grid;
  place-items: center;
  width: 2.25rem;
  aspect-ratio: 1;
  margin-bottom: 0.55rem;
  border: 1px solid var(--c-accent);
  background: var(--c-accent);
  color: var(--c-on-accent);
  cursor: pointer;
  transition: background-color var(--dur-fast), transform var(--dur-fast);
}
.chat-form__send:hover { background: var(--c-accent-dk); transform: translateY(-2px); }
.chat-form__send:disabled { cursor: wait; filter: grayscale(0.6); opacity: 0.65; }

.chat-status {
  min-height: 2.6rem;
  padding: var(--sp-3) var(--sp-6);
  color: var(--c-ink-faint);
  font: 400 0.65rem/1.4 var(--f-mono);
  letter-spacing: 0.06em;
}

@media (max-width: 520px) {
  body.chat-is-open { overflow: hidden; }
  .chat-widget { right: var(--sp-3); bottom: var(--sp-3); }
  .chat-panel {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100svh;
    max-width: none;
    border: 0;
    transform: translateY(14px);
  }
  .chat-widget--open .chat-panel { transform: none; }
  .chat-panel__header { padding-top: max(var(--sp-6), env(safe-area-inset-top)); }
  .chat-status { padding-bottom: max(var(--sp-3), env(safe-area-inset-bottom)); }
}

/* ═══════════════════════════════════════════════════════════════
   PRINT
   ═══════════════════════════════════════════════════════════════ */
@media print {
  :root {
    --c-bg:        #ffffff;
    --c-bg-alt:    #ffffff;
    --c-ink:       #141414;
    --c-ink-mid:   #444444;
    --c-ink-faint: #777777;
    --c-rule:      #cccccc;
  }
  body { background: #ffffff; }
  .site-header, .nav__toggle, .hero__index, .chat-widget,
  .hero__blueprint, .hero__scroll { display: none; }
  .hero { min-height: auto; padding-top: var(--sp-8); background: none; }
  .section { padding-block: var(--sp-8); }
  .contact { background: none; }
}