/* ==========================================================================
   BACKSPLASH — core stylesheet
   Monochrome. High contrast. Nothing decorative that isn't structural.
   ========================================================================== */

/* --- Tokens --------------------------------------------------------------- */
:root {
  --ink: #050505;
  --ink-2: #0b0b0b;
  --ink-3: #121212;
  --paper: #ffffff;
  --paper-dim: rgba(255, 255, 255, 0.62);
  --paper-mute: rgba(255, 255, 255, 0.40);
  --paper-faint: rgba(255, 255, 255, 0.16);
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.24);

  --shell: min(1440px, 100% - 2 * var(--gutter));
  --gutter: 24px;

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --nav-h: 76px;
}

@media (min-width: 900px) {
  :root { --gutter: 48px; --nav-h: 88px; }
}

/* --- Reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--paper); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- Type scale ----------------------------------------------------------- */
.display {
  font-family: var(--display);
  font-weight: 500;
  font-stretch: 112%;
  line-height: 0.92;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0;
}
/* The vw factors are set by the longest single word that has to fit on one
   line inside .shell — REPRESENTATION for xl, CONVERSATION for l. Raising them
   makes those words break out of the container on narrow phones. */
.display--xl { font-size: clamp(1.6rem, 8.4vw, 8.5rem); }
.display--l  { font-size: clamp(1.75rem, 7vw, 5rem); }

/* A .display--l inside a .split column has far less room than the viewport
   suggests — BACKSPLASH and CONVERSATION both run past the column edge at
   7vw. Size those to the column instead. The media query is the fallback for
   browsers without container queries; it is deliberately conservative. */
@media (min-width: 900px) {
  .split > * .display--l { font-size: clamp(2rem, 3.9vw, 4rem); }
}
.split > * { container-type: inline-size; }
@supports (width: 1cqi) {
  .split > * .display--l { font-size: clamp(1.75rem, 10cqi, 5rem); }
}
/* Lower bound set by OPPORTUNITIES inside a padded card at a 320px viewport. */
.display--m  { font-size: clamp(1.45rem, 3.4vw, 2.75rem); }
.display--s  { font-size: clamp(1.25rem, 2vw, 1.6rem); font-stretch: 105%; }

.eyebrow {
  font-family: var(--display);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--paper-mute);
  margin: 0;
}

.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.375rem);
  line-height: 1.5;
  color: var(--paper-dim);
  max-width: 46ch;
}

.body-copy { color: var(--paper-dim); max-width: 62ch; }
.body-copy + .body-copy { margin-top: 1.1em; }

.num {
  font-family: var(--display);
  font-weight: 500;
  font-stretch: 112%;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1;
}

.tag {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

/* --- Layout --------------------------------------------------------------- */
.shell { width: var(--shell); margin-inline: auto; }

.section { padding-block: clamp(72px, 11vw, 168px); position: relative; z-index: 2; }
.section--tight { padding-block: clamp(56px, 7vw, 96px); }
.section--rule { border-top: 1px solid var(--line); }

.stack > * + * { margin-top: var(--gap, 24px); }

.split {
  display: grid;
  gap: clamp(32px, 5vw, 88px);
  align-items: start;
}
@media (min-width: 900px) {
  .split { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
  .split--even { grid-template-columns: 1fr 1fr; }
}

/* --- Navigation ----------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.45s var(--ease), border-color 0.45s var(--ease), backdrop-filter 0.45s;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(5, 5, 5, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav__inner {
  width: var(--shell);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* The wordmark. Always uppercase. Always spaced. */
.wordmark {
  font-family: var(--display);
  font-weight: 400;
  font-stretch: 108%;
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  /* trailing letter-spacing would push it off-centre */
  text-indent: 0.34em;
  padding-inline-start: 0;
}
.wordmark span { display: inline-block; }

.nav__links { display: none; align-items: center; gap: 34px; }
/* The links group plus the CTA needs ~940px; below this the shell is too
   narrow and the CTA wrapped past the right edge. */
@media (min-width: 1080px) { .nav__links { display: flex; } }

.nav__link {
  position: relative;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
  padding-block: 6px;
  transition: color 0.3s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 1px; width: 100%;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}
.nav__link:hover { color: var(--paper); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.nav__link[aria-current="page"] { color: var(--paper); }

/* Mobile menu */
/* Flex column, not grid: as grid items the two bars land in separate rows and
   sit too far apart for the ±3.5px nudge below to close them into an X. */
.nav__toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  margin-right: -10px;
}
@media (min-width: 1080px) { .nav__toggle { display: none; } }
.nav__toggle span {
  display: block; width: 22px; height: 1px; background: var(--paper);
  transition: transform 0.4s var(--ease), opacity 0.25s;
}
.nav__toggle span + span { margin-top: 6px; }
.nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.menu {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--nav-h) var(--gutter) 48px;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.7s var(--ease);
  pointer-events: none;
}
.menu.is-open { clip-path: inset(0 0 0 0); pointer-events: auto; }
.menu__link {
  font-family: var(--display);
  font-stretch: 112%;
  font-weight: 500;
  text-transform: uppercase;
  /* 11vw put OPPORTUNITIES past the gutter on a 320px phone. */
  font-size: clamp(1.5rem, 9vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  display: block;
  padding-block: 6px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.menu.is-open .menu__link { opacity: 1; transform: none; }
.menu.is-open .menu__link:nth-child(1) { transition-delay: 0.12s; }
.menu.is-open .menu__link:nth-child(2) { transition-delay: 0.18s; }
.menu.is-open .menu__link:nth-child(3) { transition-delay: 0.24s; }
.menu.is-open .menu__link:nth-child(4) { transition-delay: 0.30s; }
.menu.is-open .menu__link:nth-child(5) { transition-delay: 0.36s; }

body.menu-open { overflow: hidden; }

/* --- Buttons -------------------------------------------------------------- */
.btn {
  --btn-fg: var(--ink);
  --btn-bg: var(--paper);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 15px 26px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-bg);
  border-radius: 999px;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--ink);
  transform: translateY(101%);
  transition: transform 0.55s var(--ease);
}
.btn:hover { color: var(--paper); border-color: var(--line-strong); }
.btn:hover::before { transform: translateY(0); }
.btn__arrow { transition: transform 0.45s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

.btn--ghost {
  --btn-fg: var(--paper);
  --btn-bg: transparent;
  border-color: var(--line-strong);
}
.btn--ghost::before { background: var(--paper); }
.btn--ghost:hover { color: var(--ink); border-color: var(--paper); }

.btn--block { width: 100%; justify-content: center; }

/* Text link with animated rule */
.link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 0.35s var(--ease), gap 0.35s var(--ease);
}
.link:hover { border-color: var(--paper); gap: 16px; }

/* --- Scroll reveal -------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0s);
}
[data-reveal].is-in { opacity: 1; transform: none; }

[data-reveal="rule"] {
  opacity: 1;
  transform: none;
  transform-origin: left;
  scale: 0 1;
  transition: scale 1.1s var(--ease);
  transition-delay: var(--d, 0s);
}
[data-reveal="rule"].is-in { scale: 1 1; }

/* Headline mask reveal — lines slide up from behind a clip */
.mask-line { display: block; overflow: hidden; }
.mask-line > span {
  display: block;
  transform: translateY(102%);
  transition: transform 1s var(--ease);
  transition-delay: var(--d, 0s);
}
.is-in .mask-line > span,
.mask-line.is-in > span { transform: none; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal].is-in { opacity: 1; transform: none; scale: none; transition: none; }
  .mask-line > span { transform: none; transition: none; }
}

/* --- Marquee -------------------------------------------------------------- */
.marquee {
  --speed: 42s;
  display: flex;
  overflow: hidden;
  user-select: none;
  gap: 0;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
  padding-right: clamp(32px, 5vw, 72px);
  animation: marquee var(--speed) linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

.marquee__item {
  font-family: var(--display);
  font-stretch: 112%;
  font-weight: 500;
  text-transform: uppercase;
  font-size: clamp(1.5rem, 3.4vw, 3rem);
  letter-spacing: -0.01em;
  white-space: nowrap;
  color: var(--paper-faint);
  transition: color 0.4s var(--ease);
}
.marquee__item.is-lit { color: var(--paper); }

/* --- Cards / surfaces ----------------------------------------------------- */
.card {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: clamp(24px, 3vw, 40px);
  overflow: hidden;
  transition: border-color 0.45s var(--ease), background 0.45s var(--ease), transform 0.45s var(--ease);
}
.card:hover { border-color: var(--line-strong); background: var(--ink-3); }

/* Cursor-following sheen, driven by --mx/--my set in JS */
.card--lit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.055), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.card--lit:hover::before { opacity: 1; }

/* --- Numbered / ruled lists ----------------------------------------------- */
.ruled { border-top: 1px solid var(--line); }
.ruled__row {
  display: grid;
  gap: 8px 32px;
  padding-block: clamp(24px, 3vw, 40px);
  border-bottom: 1px solid var(--line);
  align-items: start;
}
@media (min-width: 800px) {
  .ruled__row { grid-template-columns: 72px minmax(0, 1fr) minmax(0, 1.15fr); }
}
.ruled__index {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--paper-mute);
  letter-spacing: 0.1em;
  padding-top: 0.35em;
}

/* --- Footer --------------------------------------------------------------- */
.footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line);
  padding-block: clamp(56px, 7vw, 96px) 40px;
}
.footer__grid {
  display: grid;
  gap: clamp(40px, 5vw, 64px);
}
@media (min-width: 800px) {
  .footer__grid { grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); }
}
.footer__head {
  font-family: var(--display);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 20px;
}
.footer__list li + li { margin-top: 12px; }
.footer__list a {
  font-size: 0.9375rem;
  color: var(--paper-dim);
  transition: color 0.3s var(--ease);
}
.footer__list a:hover { color: var(--paper); }
.footer__bottom {
  margin-top: clamp(48px, 6vw, 80px);
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  justify-content: space-between;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--paper-mute);
}

/* --- Forms ---------------------------------------------------------------- */
.field { display: block; }
.field__label {
  display: block;
  font-family: var(--display);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 10px;
}
.field__input,
.field__area,
.field__select {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  padding: 12px 0;
  font-size: 1rem;
  color: var(--paper);
  transition: border-color 0.35s var(--ease);
  appearance: none;
}
.field__area { min-height: 120px; resize: vertical; }
.field__select { background-image: linear-gradient(45deg, transparent 50%, var(--paper-mute) 50%), linear-gradient(135deg, var(--paper-mute) 50%, transparent 50%); background-position: right 6px center, right 1px center; background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; padding-right: 24px; }
.field__select option { background: var(--ink-2); color: var(--paper); }
.field__input::placeholder, .field__area::placeholder { color: var(--paper-mute); }
.field__input:focus, .field__area:focus, .field__select:focus { outline: none; border-bottom-color: var(--paper); }

/* --- Utility -------------------------------------------------------------- */
.hide { display: none !important; }
.visually-hidden {
  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: absolute; top: 8px; left: 8px; z-index: 200;
  padding: 10px 18px; background: var(--paper); color: var(--ink);
  border-radius: 999px; font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase;
  transform: translateY(-160%);
  transition: transform 0.3s var(--ease);
}
.skip-link:focus { transform: none; }

.mono-note {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--paper-mute);
  line-height: 1.7;
}

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }