/* ARU LLC — aruhq.com
   Design tokens and shared components. One stylesheet for the whole site. */

:root {
  --cream:      #FBF8F2;
  --cream-deep: #F3EEE4;
  --white:      #FFFFFF;
  --ink:        #241F2E;
  --ink-soft:   #6B6379;
  --muted:      #A29A8C;
  --midnight:   #1B1626;
  --midnight-2: #2A2438;
  --line-mid:   #453C55;
  --purple:     #8A63E8;
  --gold:       #F3C86D;
  --rainbow:    linear-gradient(90deg, #E88BAA, #EFC05E, #8FC584, #6FB3DC, #9B7FE8);
  --rainbow-d:  linear-gradient(95deg, #E88BAA, #EFC05E, #8FC584, #6FB3DC, #9B7FE8);
  --border:     2px solid var(--ink);
  --pad-x:      clamp(20px, 5vw, 64px);
}

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

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

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: 'Archivo', 'Segoe UI', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.mono { font-family: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Consolas, monospace; }

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--purple);
}

.grad-text {
  background: var(--rainbow-d);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--purple);
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--cream);
  padding: 12px 18px; font-weight: 700;
}
.skip-link:focus { left: 0; }

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

/* ---------- Nav ---------- */

.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: stretch; flex-wrap: wrap;
  background: var(--cream);
  border-bottom: var(--border);
}

.nav__brand {
  display: flex; align-items: center;
  padding: 10px clamp(14px, 2vw, 28px);
  border-right: var(--border);
}
.nav__brand img { height: 42px; width: auto; }

.nav__links {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: clamp(14px, 2vw, 30px);
  padding: 10px clamp(16px, 2.5vw, 36px);
  font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
}
.nav__links a { white-space: nowrap; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav__links a:hover { border-bottom-color: var(--ink); }
.nav__links a[aria-current="page"] { color: var(--purple); border-bottom-color: var(--purple); }

.nav__cta {
  display: flex; align-items: center; white-space: nowrap;
  margin-left: auto;
  padding: 14px clamp(16px, 2.5vw, 36px);
  background: var(--rainbow);
  color: var(--ink);
  font-size: 14px; font-weight: 800;
  text-transform: uppercase; letter-spacing: .06em;
  border-left: var(--border);
}
.nav__cta:hover { filter: brightness(1.05) saturate(1.15); }

@media (max-width: 720px) {
  .nav { flex-direction: column; }
  .nav__brand { border-right: 0; border-bottom: var(--border); justify-content: center; }
  .nav__links { justify-content: center; border-bottom: var(--border); }
  .nav__cta { margin-left: 0; border-left: 0; justify-content: center; }
}

/* ---------- Section shell ---------- */

.section { padding: clamp(56px, 8vw, 104px) var(--pad-x); border-bottom: var(--border); }
.section--tight { padding-block: clamp(40px, 5vw, 64px); }
.section--dark { background: var(--midnight); color: var(--cream); border-bottom-color: var(--midnight); }
.section--deep { background: var(--cream-deep); }

.section__head {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

h1, h2, h3 { margin: 0; font-weight: 900; letter-spacing: -.03em; text-transform: uppercase; line-height: .98; }
h1 { font-size: clamp(46px, 8.5vw, 124px); }
h2 { font-size: clamp(32px, 5vw, 66px); }
h3 { font-size: clamp(24px, 3vw, 38px); }

.lead { font-size: clamp(17px, 1.5vw, 21px); line-height: 1.55; max-width: 62ch; }
.section--dark .lead { color: #CFC7DD; }

.tag {
  font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
  font-size: 12px; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-soft);
}
.section--dark .tag { color: var(--muted); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 28px;
  font-size: 14px; font-weight: 800;
  text-transform: uppercase; letter-spacing: .06em;
  border: var(--border);
}
.btn--grad { background: var(--rainbow); color: var(--ink); }
.btn--grad:hover { filter: brightness(1.05) saturate(1.15); }
.btn--ink { background: var(--ink); color: var(--cream); }
.btn--ink:hover { background: var(--purple); }
.btn--ghost { background: transparent; border-color: currentColor; }
.btn--ghost:hover { color: var(--gold); }

/* ---------- Hero ---------- */

.hero { padding: clamp(60px, 9vw, 116px) var(--pad-x) clamp(48px, 7vw, 84px); border-bottom: var(--border); }
.hero__title { margin: 24px 0 36px; }
.hero__foot { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 32px; }

/* ---------- Ticker ---------- */

.ticker { background: var(--midnight); color: var(--cream); overflow: hidden; border-bottom: var(--border); }
.ticker__track { display: flex; width: max-content; animation: aru-marquee 38s linear infinite; }
.ticker__track > div { display: flex; padding: 14px 0; }
.ticker .item {
  font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
  font-size: 14px; font-weight: 500;
  padding: 0 28px; border-right: 1px solid var(--line-mid);
  white-space: nowrap;
}
.ticker .live { color: var(--gold); }
@keyframes aru-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker__track { animation: none; } }

/* ---------- Ledger (product table) ---------- */

.ledger { border: var(--border); background: var(--white); }

.ledger__head, .ledger__row {
  display: grid;
  grid-template-columns: 64px minmax(170px, 1fr) minmax(220px, 2fr) 150px 130px;
  gap: 20px;
  align-items: center;
  padding: 18px clamp(14px, 2vw, 26px);
}
.ledger__head {
  background: var(--ink); color: var(--cream);
  font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
}
.ledger__row { border-top: var(--border); }
.ledger__row:hover { background: var(--cream); }
.ledger__row--muted { color: var(--ink-soft); background: var(--cream-deep); }

.ledger__num { font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 22px; font-weight: 700; color: var(--purple); }
.ledger__name { font-size: 22px; font-weight: 800; letter-spacing: -.01em; }
.ledger__cat { font-size: 13px; color: var(--ink-soft); }
.ledger__desc { font-size: 14px; color: var(--ink-soft); }
.ledger__status {
  font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 12px;
  letter-spacing: .1em; text-transform: uppercase;
}
.ledger__link { font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; border-bottom: 2px solid var(--purple); justify-self: start; }
.ledger__link:hover { color: var(--purple); }

@media (max-width: 900px) {
  .ledger__head { display: none; }
  .ledger__row { grid-template-columns: 48px 1fr; row-gap: 8px; }
  .ledger__row > * { grid-column: 2; }
  .ledger__num { grid-column: 1; grid-row: 1 / span 2; align-self: start; }
}

/* ---------- Numbered list (how we work / features) ---------- */

.steps { display: grid; border: var(--border); background: var(--white); }
.step {
  display: grid;
  grid-template-columns: 72px minmax(150px, 230px) 1fr;
  gap: 24px; align-items: start;
  padding: 26px clamp(14px, 2vw, 30px);
  border-top: var(--border);
}
.step:first-child { border-top: 0; }
.step:hover { background: var(--cream); }
.step__num { font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 20px; font-weight: 700; color: var(--purple); }
.step__title { font-size: 19px; font-weight: 800; letter-spacing: -.01em; }
.step__desc { font-size: 15px; color: var(--ink-soft); line-height: 1.6; }
@media (max-width: 760px) {
  .step { grid-template-columns: 52px 1fr; row-gap: 8px; }
  .step__desc { grid-column: 2; }
}

/* ---------- Fact panel ---------- */

.facts { display: grid; border: var(--border); background: var(--white); align-self: start; }
.fact {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 16px 22px; border-top: var(--border);
}
.fact:first-child { border-top: 0; }
.fact__k { font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }
.fact__v { font-size: 16px; font-weight: 800; text-transform: uppercase; letter-spacing: .02em; text-align: right; }

/* ---------- Stats ---------- */

.stats { display: flex; flex-wrap: wrap; gap: clamp(20px, 4vw, 56px); margin: 36px 0; }
.stat__n { font-size: clamp(28px, 3.4vw, 44px); font-weight: 900; letter-spacing: -.03em; }
.stat__l { font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }
.section--dark .stat__l { color: var(--muted); }

/* ---------- Split layouts ---------- */

.split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.split--even { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }

/* ---------- Contact ---------- */

.contact {
  background: var(--midnight); color: var(--cream);
  border: var(--border); padding: clamp(26px, 3.5vw, 40px);
}
.contact h3 { margin-bottom: 22px; }
.contact label { display: block; font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; }
.contact .field { margin-bottom: 16px; }
.contact input, .contact textarea {
  width: 100%; padding: 14px 16px;
  background: var(--midnight-2); color: var(--cream);
  border: 2px solid var(--line-mid);
  font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 14px;
}
.contact input:focus, .contact textarea:focus { border-color: var(--gold); outline: none; }
.contact button { width: 100%; justify-content: center; cursor: pointer; font-family: inherit; }
.contact__alt { margin-top: 14px; font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 12px; color: var(--muted); text-align: center; }
.contact__alt a { border-bottom: 1px solid var(--line-mid); }

/* ---------- Link cards ---------- */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); border: var(--border); }
.card {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 26px clamp(18px, 2vw, 30px);
  background: var(--white);
  border-left: var(--border);
}
.card:first-child { border-left: 0; }
.card:hover { background: var(--cream); }
.card__k { font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }
.card__v { font-size: 20px; font-weight: 800; letter-spacing: -.01em; }
.card__arrow { font-size: 22px; color: var(--purple); }
@media (max-width: 820px) { .card { border-left: 0; border-top: var(--border); } .card:first-child { border-top: 0; } }

/* ---------- Portrait ---------- */

.portrait { border: var(--border); background: var(--white); }
.portrait img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.portrait__cap {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 14px 18px; border-top: var(--border);
  font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 11px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft);
}

/* ---------- Prose (legal) ---------- */

.prose { max-width: 76ch; }
.prose p { font-size: 15px; line-height: 1.75; color: var(--ink-soft); margin: 0 0 18px; }
.prose p strong { color: var(--ink); }

/* ---------- Strip ---------- */

.strip {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding: 12px var(--pad-x);
  background: var(--ink); color: var(--cream);
  font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 12px;
  letter-spacing: .1em; text-transform: uppercase;
}
.strip .live { color: var(--gold); }

/* ---------- Footer ---------- */

.footer { background: var(--midnight); color: var(--cream); padding: clamp(40px, 5vw, 64px) var(--pad-x) 40px; }
.footer__row {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace; font-size: 12px;
  letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
  padding-bottom: 22px; border-bottom: 1px solid var(--line-mid);
}
.footer__row a { border-bottom: 1px solid var(--line-mid); }
.footer__row a:hover { color: var(--gold); }
.footer__note { margin: 22px 0 0; max-width: 90ch; font-size: 12px; line-height: 1.7; color: #6E6580; }
.footer__mark {
  margin-top: 34px; font-size: clamp(48px, 12vw, 150px); font-weight: 900;
  letter-spacing: -.04em; line-height: .9; color: var(--midnight-2);
  user-select: none;
}