/* ==========================================================================
   iamlucas.io | MODERNIST (faithful port of the Claude Design canvas,
   project "Three design directions review", Modernist design system)
   Archivo 800 headings, sharp corners, 2px rules, vermilion #ec3013.
   Committed single look per the canvas: light ground, red hero.
   ========================================================================== */

@font-face {
  font-family: "Archivo";
  src: url("fonts/archivo-var.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("fonts/archivo-var-italic.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: italic;
  font-display: swap;
}

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-divider: color-mix(in srgb, #201e1d 40%, transparent);
  --color-accent: #ec3013;
  --color-accent-600: #dd2b0f;
  --color-accent-700: #ae1800;
  --color-neutral-200: #eae7e7;
  --color-neutral-700: #605d5d;
  --color-neutral-800: #444141;
  --font-heading: "Archivo", system-ui, sans-serif;
  --font-body: "Archivo", system-ui, sans-serif;
  --color-link: var(--color-accent);
  --on-accent: #fff2ef;
  --hero-room: var(--color-accent);
  --hero-rule: var(--color-accent-600);
  --tile-bg: transparent;
  --tile-border: var(--color-divider);
  --tile-fg: var(--color-text);
  --frame-bar-bg: #f3f2f2;
  --frame-bar-fg: #201e1d;
}

/* ---------- Ink: the system with the lights off ----------
   Follows the device theme; the nav switcher sets data-theme to override. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --color-bg: #181716;
  --color-surface: #201e1d;
  --color-text: #eae7e7;
  --color-divider: color-mix(in srgb, #eae7e7 28%, transparent);
  --color-neutral-200: #2d2b2b;
  --color-neutral-700: #9b9797;
  --color-neutral-800: #d7d3d3;
  --color-accent-600: #ff563c;
  --color-accent-700: #ff9783;
  --color-link: #ff563c;
  --hero-room: #ae1800;
  --hero-rule: #7c1405;
  --tile-bg: #23201e;
  --tile-border: #38332f;
  --tile-fg: #eae7e7;
  --frame-bar-bg: #201e1d;
  --frame-bar-fg: #eae7e7;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --color-bg: #181716;
    --color-surface: #201e1d;
    --color-text: #eae7e7;
    --color-divider: color-mix(in srgb, #eae7e7 28%, transparent);
    --color-neutral-200: #2d2b2b;
    --color-neutral-700: #9b9797;
    --color-neutral-800: #d7d3d3;
    --color-accent-600: #ff563c;
    --color-accent-700: #ff9783;
    --color-link: #ff563c;
    --hero-room: #ae1800;
    --hero-rule: #7c1405;
    --tile-bg: #23201e;
    --tile-border: #38332f;
    --tile-fg: #eae7e7;
    --frame-bar-bg: #201e1d;
    --frame-bar-fg: #eae7e7;
  }
}

* , *::before, *::after { box-sizing: border-box; }
html { color-scheme: light; }
.theme-btn {
  font: inherit; font-weight: 800; font-size: 12px; letter-spacing: .12em;
  padding: 8px 12px; background: transparent; color: inherit;
  border: 2px solid currentColor; cursor: pointer;
}
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 800; line-height: 1.12; letter-spacing: -0.015em; margin: 0; }
p { margin: 0; }
img { display: block; max-width: 100%; }
a { color: var(--color-link); text-underline-offset: 3px; }
a:hover { color: var(--color-accent-600); }
::selection { background: var(--color-accent); color: var(--color-bg); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--color-accent); color: var(--color-bg); padding: 8px 14px; z-index: 100; font-weight: 800; }
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- Nav (standard pages) ---------- */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 48px;
  border-bottom: 2px solid var(--color-divider);
  font-weight: 600; font-size: 15px;
}
.nav .wordmark { font-weight: 800; letter-spacing: .02em; color: var(--color-text); text-decoration: none; }
.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links a { color: var(--color-text); text-decoration: none; }
.nav-links a[aria-current="page"] {
  text-decoration: underline; text-underline-offset: 6px;
  text-decoration-thickness: 2px; text-decoration-color: var(--color-accent);
}
.nav-cta {
  display: inline-flex; align-items: center;
  background: var(--color-accent); color: var(--on-accent) !important;
  text-decoration: none !important; padding: 10px 18px; font-weight: 800;
}
.nav-cta:hover { background: var(--color-accent-600); }

/* ---------- Lane grid ---------- */
.lane { display: grid; grid-template-columns: 64px minmax(0, 760px); gap: 36px; }
.rail {
  font-weight: 800; font-size: 13px; letter-spacing: .3em;
  color: var(--color-accent-700);
  writing-mode: vertical-rl; transform: rotate(180deg);
  align-self: start; justify-self: start;
}
.pad { padding: 64px 48px; }
.pad-board { padding: 40px 48px 24px; }
.pad-manifest { padding: 48px 48px 56px; }
header.page-head { border-bottom: 2px solid var(--color-divider); }
section.ruled { border-bottom: 2px solid var(--color-divider); }

.page-head h1 { font-size: clamp(44px, 5vw, 76px); letter-spacing: -0.03em; line-height: .98; margin: 0 0 16px; text-wrap: pretty; }
.page-head .lede { font-size: 18px; line-height: 1.5; max-width: 680px; }

.sec-h2 { font-size: clamp(28px, 2.8vw, 40px); letter-spacing: -0.02em; line-height: 1.08; text-wrap: pretty; max-width: 680px; margin: 0 0 22px; }

/* ---------- Ruled rows (now / stage) ---------- */
.kv { max-width: 760px; }
.kv-row {
  display: grid; grid-template-columns: 130px 1fr; gap: 24px;
  align-items: baseline; padding: 14px 0;
  border-top: 2px solid var(--color-divider);
}
.kv-k { font-weight: 800; font-size: 14px; letter-spacing: .14em; color: var(--color-accent-700); }
.kv-v { font-size: 15px; }
.stage-row {
  display: grid; grid-template-columns: 52px 130px 1fr; gap: 20px;
  align-items: baseline; padding: 14px 0;
  border-top: 2px solid var(--color-divider);
}
.stage-row:last-of-type { border-bottom: 2px solid var(--color-divider); }
.stage-code { font-weight: 600; font-size: 14px; letter-spacing: .14em; font-variant-numeric: tabular-nums; color: var(--color-neutral-700); }
.stage-where { font-weight: 800; font-size: 14px; letter-spacing: .14em; color: var(--color-accent-700); }
.stage-what { font-size: 15px; }

/* ---------- Idea links / build links (home) ---------- */
.idea-link {
  display: grid; grid-template-columns: 1fr 32px; gap: 24px; align-items: start;
  padding: 18px 0; border-top: 2px solid var(--color-divider);
  color: var(--color-text); text-decoration: none;
}
.idea-link:last-of-type { border-bottom: 2px solid var(--color-divider); }
.idea-link:hover { color: var(--color-text); }
.idea-link:hover .idea-t { color: var(--color-accent); }
.idea-t { display: block; font-family: var(--font-heading); font-weight: 800; font-size: 24px; letter-spacing: -0.01em; }
.idea-s { display: block; margin-top: 4px; font-size: 15px; color: var(--color-neutral-800); }
.idea-arrow { font-weight: 800; color: var(--color-accent); justify-self: end; }

.build-link {
  display: grid; grid-template-columns: 44px 1fr auto; gap: 20px; align-items: baseline;
  padding: 16px 0; border-top: 2px solid var(--color-divider);
  color: var(--color-text); text-decoration: none;
}
.build-link:last-of-type { border-bottom: 2px solid var(--color-divider); }
.build-link:hover .build-name { color: var(--color-accent); }
.build-no { font-weight: 600; font-size: 15px; font-variant-numeric: tabular-nums; color: var(--color-neutral-700); }
.build-name { font-family: var(--font-heading); font-weight: 800; font-size: 22px; }
.build-what { margin-left: 16px; font-size: 15px; color: var(--color-neutral-800); }

/* ---------- Tags ---------- */
.tag {
  font-weight: 800; font-size: 12px; letter-spacing: .12em; padding: 5px 10px;
  background: var(--color-neutral-200); color: var(--color-neutral-800);
  white-space: nowrap;
}
.tag.red { background: var(--color-accent); color: var(--on-accent); }
.chip {
  font-weight: 600; font-size: 12px; letter-spacing: .08em; padding: 4px 10px;
  background: var(--color-neutral-200); color: var(--color-neutral-800);
}

/* ---------- Departures board ---------- */
.board { max-width: 760px; }
.board-row {
  display: flex; align-items: center; gap: 20px; padding: 14px 0;
  border-top: 2px solid var(--color-divider);
  color: var(--color-text); text-decoration: none; cursor: pointer;
}
a.board-row:hover { color: var(--color-text); }
a.board-row:hover .board-arrow { transform: translateX(4px); }
.board-row:last-of-type { border-bottom: 2px solid var(--color-divider); }
.board .b-year { flex: none; width: 52px; font-weight: 600; font-size: 17px; font-variant-numeric: tabular-nums; color: var(--color-neutral-700); }
.board .b-code { flex: none; width: 44px; font-weight: 600; font-size: 14px; letter-spacing: .14em; color: var(--color-neutral-700); font-variant-numeric: tabular-nums; }
.board .b-city { display: flex; gap: 3px; }
.board .b-city span {
  display: flex; align-items: center; justify-content: center;
  width: clamp(24px, 2.4vw, 34px); height: clamp(36px, 3.4vw, 48px);
  border: 2px solid var(--tile-border);
  background: var(--tile-bg); color: var(--tile-fg);
  font-family: var(--font-heading); font-weight: 800;
  font-size: clamp(14px, 1.5vw, 20px);
}
.board .b-tag { margin-left: auto; }
.board-arrow { font-weight: 800; color: var(--color-accent); transition: transform .2s; }
.board-hint { margin: 14px 0 0; font-size: 13px; font-weight: 600; letter-spacing: .1em; color: var(--color-neutral-700); }

/* ---------- Journey chapters ---------- */
.ch-head { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.ch-head h2 { font-size: clamp(34px, 3.4vw, 48px); letter-spacing: -0.02em; line-height: 1; }
.ch-meta { margin: 10px 0 0; font-weight: 600; font-size: 14px; letter-spacing: .14em; color: var(--color-neutral-700); font-variant-numeric: tabular-nums; }
.ch-intro { margin: 20px 0 0; font-size: 17px; line-height: 1.6; max-width: 680px; }
.roles { max-width: 760px; }
.role { border-top: 2px solid var(--color-divider); margin-top: 24px; padding-top: 20px; }
.role-head { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; flex-wrap: wrap; }
.role-head h3 { font-size: 21px; }
.role-org { font-weight: 600; font-size: 14px; color: var(--color-neutral-700); font-variant-numeric: tabular-nums; }
.role-desc { margin: 10px 0 0; font-size: 15px; line-height: 1.55; max-width: 680px; }
.metrics { display: flex; margin-top: 16px; border: 2px solid var(--color-divider); width: fit-content; max-width: 100%; flex-wrap: wrap; }
.metric { padding: 12px 20px; border-right: 2px solid var(--color-divider); }
.metric:last-child { border-right: none; }
.metric-l { font-weight: 600; font-size: 12px; letter-spacing: .1em; color: var(--color-neutral-700); text-transform: uppercase; }
.metric-v { font-family: var(--font-heading); font-weight: 800; font-size: 24px; font-variant-numeric: tabular-nums; color: var(--color-accent-700); }

/* ---------- Essays (ideas) ---------- */
.essay-body { max-width: 680px; font-size: 17px; line-height: 1.6; }
.essay-body p { margin: 0 0 20px; }
.essay-body p:last-child { margin: 0; }

/* ---------- Manifest (builds) ---------- */
.mani { max-width: 760px; }
.mani-row { display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding: 24px 0; border-top: 2px solid var(--color-divider); }
.mani-row:last-of-type { border-bottom: 2px solid var(--color-divider); }
.mani-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.mani-head h2 { font-size: 26px; letter-spacing: -0.02em; }
.mani-cat { font-weight: 600; font-size: 14px; color: var(--color-neutral-700); margin: 4px 0 12px; }
.mani-desc { margin: 0 0 14px; font-size: 15px; line-height: 1.55; max-width: 680px; }
.mani-stack { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Voices ---------- */
.voices { max-width: 680px; }
.voice { padding: 22px 0; border-top: 2px solid var(--color-divider); }
.voice:last-of-type { border-bottom: 2px solid var(--color-divider); }
.voice p { margin: 0 0 12px; font-size: 17px; line-height: 1.6; }
.voice-by { display: flex; gap: 12px; align-items: baseline; }
.voice-name { font-weight: 800; font-size: 14px; letter-spacing: .06em; }
.voice-role { font-weight: 600; font-size: 14px; color: var(--color-neutral-700); }

/* ---------- Red closer ---------- */
.closer { background: var(--color-accent); color: var(--on-accent); padding: 72px 48px; }
.closer h2 { margin: 0 0 32px; font-size: clamp(40px, 4.5vw, 64px); letter-spacing: -0.02em; line-height: 1.02; max-width: 900px; text-wrap: pretty; }
.closer-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-solid {
  display: inline-flex; align-items: center; justify-content: flex-start; min-width: 230px;
  background: var(--on-accent); color: var(--color-accent);
  text-decoration: none; padding: 14px 20px; font-weight: 800; font-size: 15px;
}
.btn-solid:hover { color: var(--color-accent-600); }
.btn-outline {
  display: inline-flex; align-items: center;
  border: 2px solid var(--on-accent); color: var(--on-accent);
  text-decoration: none; padding: 14px 20px; font-weight: 800; font-size: 15px;
}
.btn-outline:hover { color: var(--on-accent); background: color-mix(in srgb, var(--on-accent) 12%, transparent); }
.closer-foot {
  display: flex; justify-content: space-between; margin-top: 56px; padding-top: 18px;
  border-top: 2px solid var(--color-accent-600);
  font-weight: 600; font-size: 13px; letter-spacing: .1em;
}

/* ==========================================================================
   HOME HERO (fixed red room; the color trade lives here)
   ========================================================================== */
.hero {
  position: fixed; inset: 0; overflow: hidden; z-index: 0;
  background: var(--hero-room); color: var(--on-accent);
  transition: background-color .7s, color .7s;
}
.hero .h-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 48px; border-bottom: 2px solid var(--hero-rule);
  font-weight: 600; font-size: 15px;
  transition: border-color .7s;
}
.hero .h-nav a { color: inherit; text-decoration: none; transition: color .7s; }
.hero .wordmark { font-weight: 800; letter-spacing: .02em; }
.hero .h-links { display: flex; gap: 36px; align-items: center; }
.hero .h-cta { display: inline-flex; align-items: center; border: 2px solid currentColor; padding: 10px 18px; font-weight: 800; }
.photo-frame {
  position: absolute; right: 72px; top: max(150px, 18vh);
  border: 2px solid var(--on-accent); background: var(--frame-bar-bg); z-index: 1;
  transition: border-color .7s;
  cursor: pointer;
}
.photo-frame img {
  display: block;
  width: min(560px, 38vw, 52vh); height: min(560px, 38vw, 52vh);
  object-fit: cover;
  filter: grayscale(1) contrast(1.08);
  transition: filter .7s;
}
.photo-caption {
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 10px 14px; color: var(--frame-bar-fg); font-weight: 800; font-size: 13px; letter-spacing: .12em;
}
.photo-caption .langs { color: var(--color-accent); }
.hero-greet-wrap { position: relative; padding: 52px 48px 0; z-index: 2; }
.hero-greet {
  font-family: var(--font-heading); font-weight: 800;
  font-size: clamp(96px, 13vw, 190px); line-height: .92; letter-spacing: -0.03em;
  min-height: 1em;
}
.hero-name { margin-top: 16px; font-weight: 600; font-size: 15px; letter-spacing: .14em; }
.hero-bottom {
  position: absolute; left: 48px; bottom: 110px;
  max-width: min(620px, calc(100vw - min(560px, 38vw, 52vh) - 190px));
  z-index: 2;
}
.hero-sub { margin: 0 0 28px; font-size: clamp(19px, 1.8vw, 26px); line-height: 1.3; font-weight: 600; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn-a {
  display: inline-flex; align-items: center; justify-content: flex-start; min-width: 230px;
  background: var(--on-accent); color: var(--color-accent);
  text-decoration: none; padding: 14px 20px; font-weight: 800; font-size: 15px;
  transition: background-color .7s, color .7s;
}
.hero .btn-b {
  display: inline-flex; align-items: center;
  border: 2px solid currentColor; color: inherit;
  text-decoration: none; padding: 14px 20px; font-weight: 800; font-size: 15px;
  transition: color .7s, border-color .7s;
}
.hero-marquee {
  position: absolute; left: 0; right: 0; bottom: 0;
  border-top: 2px solid var(--hero-rule);
  overflow: hidden; padding: 14px 0; white-space: nowrap;
  transition: border-color .7s;
}
.hero-marquee > div { display: inline-block; animation: marquee 18s linear infinite; font-weight: 800; font-size: 15px; letter-spacing: .12em; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* The trade: photo takes the color, the page gives it up */
.hero.ink { background: var(--color-bg); color: var(--color-text); }
.hero.ink .h-nav { border-bottom-color: var(--color-divider); }
.hero.ink .photo-frame { border-color: var(--color-text); }
.hero.ink .photo-frame img { filter: none; }
.hero.ink .btn-a { background: var(--color-accent); color: var(--on-accent); }
.hero.ink .hero-marquee { border-top-color: var(--color-divider); }

.home-main {
  position: relative; z-index: 1; margin-top: 100vh;
  background: var(--color-bg);
  border-top: 2px solid var(--color-divider);
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
  .lane { display: block; }
  .rail { writing-mode: horizontal-tb; transform: none; display: block; margin-bottom: 18px; }
  .hide-m { display: none !important; }
  .pad, .pad-board, .pad-manifest { padding-left: 20px; padding-right: 20px; }
  .nav { padding: 16px 20px; }
  .nav-links { gap: 18px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero .h-links a:not(.h-cta) { display: none; }
  .hero .h-nav { padding: 16px 20px; }
  .hero-greet-wrap { padding: 40px 20px 0; }
  .photo-frame { right: 20px; top: max(120px, 14vh); }
  .hero-bottom { left: 20px; right: 20px; bottom: 90px; max-width: none; }
  .closer { padding: 56px 20px; }
  .board .b-city { flex-wrap: wrap; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}