/*
  Raviteja Panchagnula — portfolio
  Token map: colour → type → spacing → motion. The layout uses three rails:
  context / thread / content. Change the tokens here before touching components.
*/

@font-face {
  font-family: "Anybody";
  src: url("../assets/fonts/anybody-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-stretch: 80% 125%;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Hyperlegible";
  src: url("../assets/fonts/atkinson-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Hyperlegible";
  src: url("../assets/fonts/atkinson-bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  /* Brand constants. These never change between themes. */
  --lamp: #171816;
  --rice: #fafaf6;
  --kumkuma: #b8322a;
  --kumkuma-dark: #8c251f;
  --brass: #a47c3c;
  --turmeric: #e2ad27;

  /* Semantic tokens. The dark theme below re-declares only these. */
  --ink: var(--lamp);
  --page: #e7e9e5;
  --surface: var(--rice);
  --panel: var(--lamp);
  --on-panel: var(--rice);
  --on-panel-muted: rgba(250, 250, 246, 0.75);
  --on-panel-soft: rgba(250, 250, 246, 0.62);
  --muted: #62665f;
  --accent: var(--kumkuma);
  --accent-strong: var(--kumkuma-dark);
  --hairline: rgba(23, 24, 22, 0.19);
  --hairline-light: rgba(250, 250, 246, 0.24);
  --header-bg: rgba(231, 233, 229, 0.91);
  --scrim: rgba(231, 233, 229, 0.84);
  --grid-line: rgba(255, 255, 255, 0.18);
  --thread-shadow: rgba(23, 24, 22, 0.16);
  --code-bg: rgba(250, 250, 246, 0.48);
  --footer-bg: var(--kumkuma-dark);
  --footer-ink: var(--rice);
  --footer-rule: rgba(250, 250, 246, 0.55);
  --footer-hairline: rgba(250, 250, 246, 0.28);
  --footer-muted: rgba(250, 250, 246, 0.68);

  --font-display: "Anybody", "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: "Atkinson Hyperlegible", "Segoe UI", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Consolas, monospace;

  --step--1: clamp(0.78rem, 0.74rem + 0.15vw, 0.88rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.12rem);
  --step-1: clamp(1.2rem, 1.05rem + 0.65vw, 1.58rem);
  --step-2: clamp(1.65rem, 1.25rem + 1.55vw, 2.6rem);
  --step-3: clamp(2.45rem, 1.65rem + 3.3vw, 4.8rem);
  --step-hero: clamp(4rem, 7vw, 8.5rem);

  --space-1: clamp(0.55rem, 0.45rem + 0.4vw, 0.8rem);
  --space-2: clamp(1rem, 0.8rem + 0.8vw, 1.5rem);
  --space-3: clamp(1.5rem, 1.1rem + 1.6vw, 2.5rem);
  --space-4: clamp(2.5rem, 1.75rem + 3vw, 4.5rem);
  --space-5: clamp(4rem, 2.75rem + 5vw, 7rem);
  --space-6: clamp(6rem, 4rem + 8vw, 11rem);

  --project-indent: calc(clamp(6.5rem, 11%, 9.5rem) + var(--space-2));
  --hero-indent: clamp(0rem, 8vw, 10rem);
  --portrait-w: clamp(13rem, 24vw, 26rem);
  --page-pad: clamp(1rem, 2.5vw, 3rem);
  --context-rail: clamp(9.5rem, 17vw, 17rem);
  --thread-rail: clamp(2.5rem, 4vw, 4rem);
  --ease-out: cubic-bezier(0.2, 0.75, 0.25, 1);
  --focus: 0 0 0 3px var(--page), 0 0 0 6px var(--accent);
}

/*
  Dark theme. Only the semantic tokens are re-declared; every component rule
  above keeps working untouched. `data-theme` wins over the system preference
  so the header toggle can override it in both directions.
*/
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e9e8e2;
    --page: #121311;
    --surface: #1d1f1c;
    --panel: #080908;
    --on-panel: #f2f1eb;
    --on-panel-muted: rgba(242, 241, 235, 0.76);
    --on-panel-soft: rgba(242, 241, 235, 0.62);
    --muted: #9aa094;
    --accent: #e2685c;
    --accent-strong: #f0928a;
    --hairline: rgba(233, 232, 226, 0.18);
    --hairline-light: rgba(242, 241, 235, 0.2);
    --header-bg: rgba(18, 19, 17, 0.9);
    --scrim: rgba(18, 19, 17, 0.86);
    --grid-line: rgba(255, 255, 255, 0.045);
    --thread-shadow: rgba(0, 0, 0, 0.6);
    --code-bg: rgba(255, 255, 255, 0.06);
    --footer-bg: #631913;
    --footer-ink: #f7ece9;
    --footer-rule: rgba(247, 236, 233, 0.5);
    --footer-hairline: rgba(247, 236, 233, 0.24);
    --footer-muted: rgba(247, 236, 233, 0.66);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --ink: #e9e8e2;
  --page: #121311;
  --surface: #1d1f1c;
  --panel: #080908;
  --on-panel: #f2f1eb;
  --on-panel-muted: rgba(242, 241, 235, 0.76);
  --on-panel-soft: rgba(242, 241, 235, 0.62);
  --muted: #9aa094;
  --accent: #e2685c;
  --accent-strong: #f0928a;
  --hairline: rgba(233, 232, 226, 0.18);
  --hairline-light: rgba(242, 241, 235, 0.2);
  --header-bg: rgba(18, 19, 17, 0.9);
  --scrim: rgba(18, 19, 17, 0.86);
  --grid-line: rgba(255, 255, 255, 0.045);
  --thread-shadow: rgba(0, 0, 0, 0.6);
  --code-bg: rgba(255, 255, 255, 0.06);
  --footer-bg: #631913;
  --footer-ink: #f7ece9;
  --footer-rule: rgba(247, 236, 233, 0.5);
  --footer-hairline: rgba(247, 236, 233, 0.24);
  --footer-muted: rgba(247, 236, 233, 0.66);
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  background: var(--page);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background:
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 7.5rem 100%,
    var(--page);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button, summary { font: inherit; }
button { color: inherit; }

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

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.8rem;
  left: 0.8rem;
  padding: 0.7rem 1rem;
  color: var(--page);
  background: var(--ink);
  transform: translateY(-180%);
  transition: transform 160ms var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  line-height: 1.3;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  min-height: 4.65rem;
  padding: 0 var(--page-pad);
  border-bottom: 1px solid var(--hairline);
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  width: fit-content;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  font-stretch: condensed;
  letter-spacing: -0.06em;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 650;
}

.site-nav { display: flex; gap: clamp(1.2rem, 2.7vw, 3rem); }
.site-nav a {
  position: relative;
  padding: 0.35rem 0;
  font-size: 0.94rem;
  text-decoration: none;
}
.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms var(--ease-out);
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="true"]::after { transform: scaleX(1); transform-origin: left; }
.site-nav a[aria-current="true"] { color: var(--accent-strong); }
.menu-toggle { display: none; }

.header-controls { display: flex; gap: 0.35rem; align-items: center; margin-left: clamp(1rem, 2.5vw, 2.25rem); }

.theme-toggle {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  padding: 0;
  border: 1px solid var(--hairline);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: border-color 180ms var(--ease-out), background 180ms var(--ease-out);
}
.theme-toggle:hover { border-color: var(--accent); background: var(--surface); }
.theme-toggle svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: block; }
}

/* Reading progress, pinned to the header's lower edge. */
.scroll-progress {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
}

/*
  Scroll reveal. The hidden state is scoped to `.js` so the page still reads
  correctly if the script never runs.
*/
.js .reveal {
  opacity: 0;
  transform: translateY(1.5rem);
}
.js .reveal.is-revealed {
  opacity: 1;
  transform: none;
  transition: opacity 620ms var(--ease-out), transform 720ms var(--ease-out);
}

.hero {
  position: relative;
  min-height: calc(100svh - 4.65rem);
  overflow: clip;
  border-bottom: 1px solid var(--hairline);
}

.hero-stage {
  position: relative;
  display: grid;
  grid-template-columns: var(--context-rail) var(--thread-rail) minmax(0, 1fr);
  min-height: calc(100svh - 4.65rem);
  padding: var(--space-4) var(--page-pad) var(--space-3);
}

.hero-thread {
  position: absolute;
  z-index: 2;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.hero-thread-shadow,
.hero-thread-path {
  fill: none;
  vector-effect: non-scaling-stroke;
  stroke-linecap: round;
}
.hero-thread-shadow { stroke: var(--thread-shadow); stroke-width: 6; }
.hero-thread-path {
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: 1700;
  stroke-dashoffset: 1700;
}
.is-loaded .hero-thread-path {
  animation: draw-thread 780ms var(--ease-out) forwards;
}
@keyframes draw-thread { to { stroke-dashoffset: 0; } }

.hero-context {
  z-index: 3;
  grid-column: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 0 var(--space-2) 0 0;
}

.hero-stat {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin: auto 0;
  color: var(--muted);
  font-size: var(--step--1);
  line-height: 1.2;
}
.hero-stat strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 4vw, 4.3rem);
  font-weight: 600;
  font-stretch: expanded;
  line-height: 1;
}
.availability { margin: 0; color: var(--muted); font-size: var(--step--1); }

.hero-copy {
  z-index: 4;
  grid-column: 2 / 4;
  align-self: center;
  padding: 2rem 0 4rem clamp(1rem, 4vw, 4.5rem);
}

.hero h1 {
  position: relative;
  z-index: 4;
  width: min-content;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-hero);
  font-weight: 680;
  line-height: 0.78;
  letter-spacing: -0.075em;
}
.hero-word {
  display: block;
  opacity: 1;
  transform: translateX(-1.5rem);
}
.hero-word-systems { font-stretch: condensed; }
.hero-word-stories {
  margin-left: clamp(1rem, 8vw, 11rem);
  color: var(--accent);
  font-stretch: expanded;
  white-space: nowrap;
}
.is-loaded .hero-word {
  transform: translateX(0);
  transition: transform 520ms var(--ease-out);
}
.is-loaded .hero-word-stories { transition-delay: 180ms; }

.hero-intro {
  position: relative;
  z-index: 5;
  width: min(43rem, calc(100% - var(--portrait-w) - var(--hero-indent) - var(--space-3)));
  margin: var(--space-4) 0 0 var(--hero-indent);
  padding: var(--space-2);
  border-left: 1px solid var(--ink);
  background: var(--scrim);
  font-size: var(--step-1);
  line-height: 1.42;
}

.hero-actions {
  position: relative;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 2rem;
  margin: var(--space-3) 0 0 var(--hero-indent);
}
.text-link {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  padding: 0.55rem 0;
  text-underline-offset: 0.25em;
  text-decoration-thickness: 1px;
}
.text-link-primary { color: var(--accent-strong); font-weight: 700; }

.portrait-wrap {
  position: absolute;
  z-index: 3;
  right: var(--page-pad);
  bottom: 0;
  width: var(--portrait-w);
  margin: 0;
  opacity: 0;
  transform: translateY(1.5rem);
}
.is-loaded .portrait-wrap {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 440ms 260ms var(--ease-out), transform 620ms 260ms var(--ease-out);
}
.portrait-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 0.84;
  background: var(--panel);
  clip-path: polygon(9% 0, 100% 0, 100% 100%, 0 100%, 0 12%);
}
.portrait-frame::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(250,250,246,0.3);
  content: "";
  pointer-events: none;
}
.portrait-frame picture { display: block; width: 100%; height: 100%; }
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
.portrait-wrap figcaption {
  padding: 0.65rem 0 0 9%;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-stack {
  position: absolute;
  z-index: 5;
  top: var(--space-3);
  right: var(--page-pad);
  display: flex;
  gap: 1rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}
.hero-stack span + span::before { margin-right: 1rem; color: var(--accent); content: "\25CF"; font-size: 0.55em; }

.section {
  position: relative;
  display: grid;
  grid-template-columns: var(--context-rail) var(--thread-rail) minmax(0, 1fr);
  padding: 0 var(--page-pad);
  border-bottom: 1px solid var(--hairline);
}
.section-context {
  grid-column: 1;
  padding: var(--space-5) var(--space-2) var(--space-5) 0;
}
.section-context > p:not(.eyebrow) { margin: var(--space-2) 0 0; color: var(--muted); font-size: var(--step--1); }
.thread-cell {
  position: relative;
  z-index: 3;
  grid-column: 2;
  min-height: 100%;
}
.thread-cell::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--accent);
  content: "";
  transform: translateX(-50%);
}
.thread-knot {
  position: sticky;
  z-index: 4;
  top: 7rem;
  display: block;
  width: 1.1rem;
  height: 1.1rem;
  margin: var(--space-5) auto 0;
  padding: 0;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--page);
  cursor: pointer;
  transition: transform 180ms var(--ease-out), background 180ms var(--ease-out);
}
.thread-knot::after {
  position: absolute;
  top: 50%;
  left: calc(100% + 0.7rem);
  width: max-content;
  max-width: 15rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--accent);
  color: var(--ink);
  background: var(--surface);
  content: attr(data-note);
  font-family: var(--font-mono);
  font-size: 0.69rem;
  letter-spacing: 0.02em;
  opacity: 0;
  pointer-events: none;
  transform: translate(-0.5rem, -50%);
  transition: opacity 180ms var(--ease-out), transform 220ms var(--ease-out);
}
.thread-knot:hover,
.thread-knot:focus-visible,
.thread-knot[aria-expanded="true"] { background: var(--accent); transform: scale(1.4); }
.thread-knot:hover::after,
.thread-knot:focus-visible::after,
.thread-knot[aria-expanded="true"]::after { opacity: 1; transform: translate(0, -50%) scale(0.72); transform-origin: left; }

.section-body {
  grid-column: 3;
  min-width: 0;
  padding: var(--space-5) 0 var(--space-5) clamp(1.5rem, 4vw, 5rem);
}
.section h2 {
  max-width: 18ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 570;
  font-stretch: 106%;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.practice-body { min-height: 35rem; display: flex; flex-direction: column; justify-content: center; }
.practice-body h2 { max-width: 20ch; }
.two-column-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  max-width: 60rem;
  margin-top: var(--space-4);
  font-size: var(--step-1);
}
.two-column-copy p { margin: 0; }
.quiet-line {
  max-width: 46rem;
  margin: var(--space-4) 0 0;
  padding-top: var(--space-2);
  border-top: 1px solid var(--hairline);
  color: var(--muted);
}

.section-heading-row {
  display: flex;
  gap: 2rem;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.section-heading-row p { max-width: 14rem; margin: 0; color: var(--muted); font-size: var(--step--1); }
.project-index { border-top: 1px solid var(--ink); }
.project { border-bottom: 1px solid var(--hairline); }
.project summary {
  display: grid;
  grid-template-columns: minmax(6.5rem, 0.65fr) minmax(11rem, 1.7fr) minmax(7rem, 1fr) 1.5rem;
  gap: var(--space-2);
  align-items: center;
  min-height: 5.5rem;
  padding: 1rem 0;
  list-style: none;
  cursor: pointer;
}
.project summary::-webkit-details-marker { display: none; }
.project summary:focus-visible { padding-inline: 0.6rem; }
.project-state,
.project-kind { color: var(--muted); font-family: var(--font-mono); font-size: 0.72rem; line-height: 1.25; text-transform: uppercase; }
.project-name { font-family: var(--font-display); font-size: var(--step-2); font-weight: 620; line-height: 1; letter-spacing: -0.03em; }
.summary-mark {
  position: relative;
  width: 1.1rem;
  height: 1.1rem;
}
.summary-mark::before,
.summary-mark::after { position: absolute; top: 50%; left: 0; width: 100%; height: 1px; background: currentColor; content: ""; transition: transform 180ms var(--ease-out); }
.summary-mark::after { transform: rotate(90deg); }
.project[open] .summary-mark::after { transform: rotate(0); }
.project-detail {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(10rem, 1fr);
  gap: var(--space-3);
  padding: 0 2.5rem var(--space-4) var(--project-indent);
}
.project-detail p { max-width: 46rem; margin: 0; font-size: var(--step-1); line-height: 1.45; }
.project-detail a { align-self: end; font-size: var(--step--1); text-underline-offset: 0.3em; }
.decision-row { display: flex; flex-wrap: wrap; gap: 0.4rem; align-self: end; }
.decision-row span { padding: 0.35rem 0.55rem; border: 1px solid var(--hairline); font-family: var(--font-mono); font-size: 0.66rem; }

.depth-body { padding-block: var(--space-6); }
.lead-copy { max-width: 56rem; margin: var(--space-4) 0; font-size: var(--step-1); }
.working-set { max-width: 66rem; margin: 0; border-top: 1px solid var(--ink); }
.working-set div { display: grid; grid-template-columns: minmax(8rem, 0.75fr) minmax(0, 2fr); gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--hairline); }
.working-set dt { color: var(--muted); font-family: var(--font-mono); font-size: var(--step--1); }
.working-set dd { margin: 0; font-family: var(--font-display); font-size: var(--step-1); font-weight: 560; }
.experience-note { display: flex; flex-wrap: wrap; gap: 0.65rem 1.2rem; margin: var(--space-4) 0 0; }
.experience-note span { color: var(--muted); font-family: var(--font-mono); font-size: var(--step--1); text-transform: uppercase; }

.section-story {
  overflow: clip;
  color: var(--on-panel);
  border-color: var(--hairline-light);
  background: var(--panel);
}
.story-weave { position: absolute; inset: 0; contain: paint; overflow: hidden; opacity: 0.22; pointer-events: none; }
.story-weave span {
  position: absolute;
  right: 0;
  width: 66%;
  height: 1px;
  background: var(--brass);
  transform: rotate(-8deg);
  transform-origin: right;
}
.story-weave span:nth-child(1) { top: 17%; }
.story-weave span:nth-child(2) { top: 34%; transform: rotate(5deg); }
.story-weave span:nth-child(3) { top: 52%; transform: rotate(-4deg); }
.story-weave span:nth-child(4) { top: 70%; right: 0; transform: rotate(7deg); }
.story-weave span:nth-child(5) { top: 87%; transform: rotate(-6deg); }
.section-story .eyebrow,
.story-context > p:not(.eyebrow) { color: var(--on-panel-soft); }
.thread-cell-story::before { background: var(--brass); }
.section-story .thread-knot { border-color: var(--turmeric); background: var(--panel); }
.section-story .thread-knot:hover,
.section-story .thread-knot:focus-visible,
.section-story .thread-knot[aria-expanded="true"] { background: var(--turmeric); }
.section-story .thread-knot::after { color: var(--lamp); border-color: var(--turmeric); background: var(--turmeric); }
.story-body { position: relative; z-index: 2; padding-block: var(--space-6); }
.story-kicker { margin: 0 0 var(--space-2); color: var(--turmeric); font-family: var(--font-mono); font-size: var(--step--1); text-transform: uppercase; letter-spacing: 0.08em; }
.story-body h2 { max-width: 12ch; color: var(--on-panel); font-size: clamp(3.5rem, 8vw, 8.7rem); font-stretch: 112%; }
.story-intro { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); max-width: 68rem; margin: var(--space-5) 0; }
.story-intro p { margin: 0; font-size: var(--step-1); }
.story-ledger { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--hairline-light); border-bottom: 1px solid var(--hairline-light); }
.story-ledger article { position: relative; padding: var(--space-3); }
.story-ledger article + article { border-left: 1px solid var(--hairline-light); }
.story-mark { display: block; width: 2.3rem; height: 0.8rem; margin-bottom: var(--space-3); border-top: 2px solid var(--turmeric); border-bottom: 1px solid var(--brass); transform: rotate(-6deg); }
.story-ledger h3 { margin: 0 0 0.7rem; font-family: var(--font-display); font-size: var(--step-2); font-weight: 560; overflow-wrap: anywhere; hyphens: auto; }
.story-ledger p { margin: 0; color: var(--on-panel-muted); }
.production-note { max-width: 57rem; margin: var(--space-4) 0; color: var(--on-panel-muted); }
.story-link { display: inline-flex; gap: 0.65rem; padding: 0.75rem 0; color: var(--turmeric); font-weight: 700; text-underline-offset: 0.35em; }

.commercial-body { padding-block: var(--space-6); }
.commercial-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); max-width: 68rem; margin-top: var(--space-5); }
.commercial-pair article { padding: var(--space-3) 0; border-top: 1px solid var(--ink); }
.commercial-pair article:nth-child(2) { border-top-color: var(--brass); }
.commercial-pair article > p:last-child { max-width: 30rem; margin: var(--space-2) 0 0; font-size: var(--step-1); }

.now-body { padding-block: var(--space-6); }
.learning-path { max-width: 68rem; margin: var(--space-5) 0 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); counter-reset: learning; }
.learning-path li { display: grid; grid-template-columns: minmax(8rem, 0.75fr) minmax(0, 2fr); gap: var(--space-3); padding: var(--space-2) 0; border-bottom: 1px solid var(--hairline); counter-increment: learning; }
.learning-path li > span { color: var(--muted); font-family: var(--font-mono); font-size: var(--step--1); text-transform: uppercase; }
.learning-path li > span::before { margin-right: 0.6rem; color: var(--accent); content: counter(learning, decimal-leading-zero); }
.learning-path p { margin: 0; font-size: var(--step-1); }
code { padding: 0.08em 0.25em; border: 1px solid var(--hairline); background: var(--code-bg); font-family: var(--font-mono); font-size: 0.8em; }
.now-close { max-width: 44rem; margin: var(--space-4) 0 0 auto; font-family: var(--font-display); font-size: var(--step-2); font-weight: 560; line-height: 1.15; }

.method-body { padding-block: var(--space-6); }
.method-body h2 { max-width: 16ch; font-size: clamp(3rem, 7.2vw, 7.8rem); }
.method-body p { max-width: 50rem; margin: var(--space-4) 0 0; font-size: var(--step-1); }

.site-footer { padding: var(--space-6) var(--page-pad) var(--space-3); color: var(--footer-ink); background: var(--footer-bg); }
.site-footer .eyebrow { color: var(--footer-ink); }
.footer-intro { display: grid; grid-template-columns: calc(var(--context-rail) + var(--thread-rail)) 1fr; }
.footer-intro h2 { max-width: 15ch; margin: 0; font-family: var(--font-display); font-size: var(--step-3); font-weight: 580; line-height: 1; letter-spacing: -0.04em; }
.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: 1px solid var(--footer-rule);
}
.contact-email {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 570;
  letter-spacing: -0.02em;
  text-underline-offset: 0.25em;
  text-decoration-thickness: 1px;
  overflow-wrap: anywhere;
}
.copy-email {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--footer-hairline);
  color: inherit;
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  cursor: pointer;
  transition: background 180ms var(--ease-out), border-color 180ms var(--ease-out);
}
.copy-email:hover { border-color: var(--footer-ink); background: rgba(255, 255, 255, 0.1); }
.copy-email[data-copied="true"] { border-color: var(--footer-ink); background: rgba(255, 255, 255, 0.16); }

.social-links { margin: var(--space-4) 0 var(--space-5); border-top: 1px solid var(--footer-rule); }
.social-links a { display: flex; justify-content: space-between; padding: 1rem 0; border-bottom: 1px solid var(--footer-hairline); font-family: var(--font-display); font-size: var(--step-2); font-weight: 560; text-decoration: none; }
.social-links a span:last-child { transition: transform 180ms var(--ease-out); }
.social-links a:hover span:last-child,
.social-links a:focus-visible span:last-child { transform: translate(0.25rem, -0.25rem); }
.footer-base { display: flex; align-items: center; justify-content: space-between; color: var(--footer-muted); font-family: var(--font-mono); font-size: var(--step--1); }
.back-to-top { padding: 0.5rem 0; border: 0; color: inherit; background: transparent; text-decoration: underline; text-underline-offset: 0.3em; cursor: pointer; }

.thread-toast {
  position: fixed;
  z-index: 80;
  right: 1rem;
  bottom: 1rem;
  max-width: min(22rem, calc(100vw - 2rem));
  padding: 0.75rem 1rem;
  border: 1px solid var(--accent);
  color: var(--ink);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.8rem);
  transition: opacity 180ms var(--ease-out), transform 220ms var(--ease-out);
}
.thread-toast.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1200px) {
  :root {
    --context-rail: 8.5rem;
    --thread-rail: 2.75rem;
    --hero-indent: 2rem;
    --portrait-w: clamp(12rem, 25vw, 19rem);
  }
  .hero h1 { width: 100%; font-size: clamp(3.6rem, 7vw, 4.8rem); }
  .hero-word-stories { margin-left: clamp(1rem, 4vw, 2.5rem); }
  .hero-intro { width: min(42rem, calc(100% - var(--portrait-w) - var(--hero-indent) - var(--space-3))); }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .project-detail { padding-left: 0; }
}

@media (max-width: 760px) {
  :root { --page-pad: 1rem; --thread-rail: 2.2rem; }
  html { scroll-padding-top: 4rem; }
  body { background-size: 4rem 100%; }
  .site-header { min-height: 4rem; }
  .brand-name { display: none; }
  .menu-toggle {
    display: inline-flex;
    gap: 0.6rem;
    align-items: center;
    padding: 0.5rem 0;
    border: 0;
    background: transparent;
    cursor: pointer;
  }
  .menu-glyph { position: relative; width: 1.25rem; height: 0.8rem; border-top: 1px solid; border-bottom: 1px solid; }
  .menu-glyph::after { position: absolute; top: 50%; left: 0; width: 65%; height: 1px; background: currentColor; content: ""; }
  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 0 var(--page-pad);
    border-bottom: 1px solid var(--hairline);
    background: var(--page);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.6rem);
    transition: opacity 160ms var(--ease-out), transform 220ms var(--ease-out);
  }
  .site-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .site-nav a { padding: 1rem 0; border-bottom: 1px solid var(--hairline); }

  .hero, .hero-stage { min-height: calc(100svh - 4rem); }
  .hero-stage {
    grid-template-columns: minmax(0, 1fr) var(--thread-rail);
    grid-template-rows: auto auto 1fr auto;
    padding-top: var(--space-3);
  }
  .hero-thread { left: auto; width: 16%; }
  .hero-context { grid-column: 1; grid-row: 1; flex-direction: row; align-items: start; padding: 0 var(--space-2) 0 0; }
  .hero-stat { margin: 0; }
  .hero-stat strong { font-size: 2.2rem; }
  .hero-stat span { display: none; }
  .availability { text-align: right; }
  .hero-copy { grid-column: 1 / 3; grid-row: 2; align-self: start; padding: var(--space-4) 0 0; }
  .hero h1 { font-size: clamp(3.8rem, 19vw, 6.2rem); line-height: 0.8; }
  .hero-word-stories { margin-left: 0.55rem; white-space: normal; }
  .hero-intro { width: calc(100% - 1rem); margin: var(--space-3) 0 0; padding: 1rem 0 1rem 1rem; font-size: 1.08rem; }
  .hero-actions { margin: var(--space-2) 0 0 1rem; }
  .portrait-wrap { position: relative; right: auto; bottom: auto; grid-column: 1 / 3; grid-row: 3; align-self: end; justify-self: end; width: min(58vw, 15.5rem); margin-top: -0.5rem; }
  .portrait-wrap figcaption { font-size: 0.59rem; }
  .hero-stack { position: relative; top: auto; right: auto; grid-column: 1 / 3; grid-row: 4; flex-wrap: wrap; padding-top: var(--space-2); border-top: 1px solid var(--hairline); }
  .hero-stack span + span::before { margin-right: 0.6rem; }

  .section { grid-template-columns: minmax(0, 1fr) var(--thread-rail); }
  .section-context { grid-column: 1; grid-row: 1; padding: var(--space-4) var(--space-2) 0 0; }
  .section-context > p:not(.eyebrow) { display: none; }
  .thread-cell { grid-column: 2; grid-row: 1 / 3; }
  .thread-knot { top: 5.5rem; margin-top: var(--space-4); }
  .thread-knot::after { display: none; }
  .section-body { grid-column: 1; grid-row: 2; padding: var(--space-3) var(--space-2) var(--space-5) 0; }
  .section h2 { font-size: clamp(2.5rem, 12vw, 4.2rem); }
  .practice-body { min-height: 0; }
  .two-column-copy,
  .story-intro,
  .commercial-pair { grid-template-columns: 1fr; gap: var(--space-2); }
  .section-heading-row { display: block; }
  .section-heading-row p { margin-top: 0.8rem; }
  .project summary { grid-template-columns: 1fr auto; gap: 0.5rem 1rem; min-height: 0; padding: 1.2rem 0; }
  .project-state { grid-column: 1; grid-row: 1; }
  .project-name { grid-column: 1; grid-row: 2; }
  .project-kind { grid-column: 1; grid-row: 3; }
  .summary-mark { grid-column: 2; grid-row: 1 / 4; }
  .project-detail { grid-template-columns: 1fr; padding: 0 0 var(--space-3); }
  .story-body h2,
  .method-body h2 { font-size: clamp(3.3rem, 15vw, 5.8rem); }
  .story-ledger { grid-template-columns: 1fr; }
  .story-ledger article + article { border-top: 1px solid var(--hairline-light); border-left: 0; }
  .working-set div,
  .learning-path li { grid-template-columns: 1fr; gap: 0.4rem; }
  .now-close { margin-left: 0; }
  .footer-intro { grid-template-columns: 1fr; gap: var(--space-3); }
  .footer-base { align-items: flex-start; gap: 2rem; }
}

@media (max-width: 380px) {
  .hero h1 { font-size: 3.75rem; }
  .hero-intro { font-size: 1rem; }
  .hero-actions { gap: 0.2rem 1rem; }
  .portrait-wrap { width: 12.5rem; }
}

@media (min-width: 1600px) {
  :root { --page-pad: clamp(3rem, 6vw, 8rem); }
  .section-body { max-width: 94rem; }
  .hero-stage { max-width: 1920px; margin-inline: auto; }
}

@media (max-width: 760px) {
  .header-controls { margin-left: 0.75rem; }
  .theme-toggle { width: 1.95rem; height: 1.95rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-thread-path { stroke-dashoffset: 0; }
  .hero-word, .portrait-wrap { opacity: 1; transform: none; }
  .js .reveal { opacity: 1; transform: none; }
}

@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) {
  .site-header { background: var(--page); }
}

@supports not (overflow: clip) {
  body, .hero, .section-story { overflow-x: hidden; }
}

@media print {
  :root { --page-pad: 0; }
  body { color: #000; background: #fff; font-size: 10pt; }
  .site-header, .hero-thread, .thread-cell, .hero-actions, .story-weave, .back-to-top, .thread-toast, .copy-email, .scroll-progress { display: none !important; }
  .hero, .hero-stage { min-height: 0; }
  .hero-stage, .section { display: block; padding: 1rem 0; }
  .hero-context, .hero-copy, .portrait-wrap, .section-context, .section-body { position: static; display: block; width: auto; padding: 0; margin: 0; opacity: 1; transform: none; }
  .portrait-wrap { float: right; width: 28%; margin: 0 0 1rem 1rem; }
  .hero h1, .section h2, .story-body h2, .method-body h2 { color: #000; font-size: 28pt; }
  .hero-intro { width: auto; margin: 1rem 0; background: transparent; }
  .section-story, .site-footer { color: #000; background: #fff; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .project details, .project-detail { display: block; }
  a { text-decoration: none; }
}