/* ============================================================
   Sorplos — corporate site
   Tokens and components transcribed from "Sorplos Website.dc.html"
   (artboard 01 / Token sheet is the source of truth for values).
   ============================================================ */

/* ---------- 01 · Tokens ---------- */

:root {
  /* Palette */
  --ink:        #060B10; /* page base            */
  --ink-raised: #0C141B; /* cards                */
  --ink-hover:  #0E1820; /* card hover           */
  --hairline:   #16222C; /* 1px borders only     */
  --bone:       #E8EDF0; /* primary text         */
  --muted:      #7C8F9B; /* secondary text       */
  --eureka:     #4DE0C0; /* venture 01           */
  --insure:     #F5A524; /* venture 02           */
  --reserved:   #8B7CFF; /* held for venture 03  */

  /* Type */
  --font-display: 'Clash Display', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Satoshi', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* Geometry */
  --radius: 4px;
  --radius-sm: 2px;
  --shell: 1280px;
  --gutter: 80px;
  --header-h: 68px;

  /* Surface */
  --grain-opacity: 0.03;
}

/* ---------- 02 · Base ---------- */

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--bone); text-decoration: none; }
a:hover { color: var(--eureka); }

h1, h2, h3, p { margin: 0; }
button { font: inherit; }
svg { display: block; }

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

/* The hero's ambient glows are meant to bleed past the shell into the gutter.
   Clipping here — on a full-viewport-width block — contains them at the window
   edge instead of the content edge, so they never add horizontal scroll.
   `clip` rather than `hidden`: it creates no scroll container. */
main { overflow-x: clip; }

.shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.rule { height: 1px; background: var(--hairline); }

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

/* Film grain — one fixed overlay for the whole page, never interactive. */
.grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: var(--grain-opacity);
  background-image: url('data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%22140%22 height=%22140%22%3E%3Cfilter id=%22n%22%3E%3CfeTurbulence type=%22fractalNoise%22 baseFrequency=%220.85%22 numOctaves=%223%22/%3E%3C/filter%3E%3Crect width=%22140%22 height=%22140%22 filter=%22url(%23n)%22/%3E%3C/svg%3E');
}

/* ---------- 03 · Type scale ---------- */

.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.4;
}

.eyebrow { color: var(--muted); }

.display {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 68px;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--bone);
  text-wrap: pretty;
}

.h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 44px;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--bone);
  text-wrap: pretty;
}

.h2--sm { font-size: 40px; }

.h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.h3--lg { font-size: 32px; }

.lede {
  max-width: 600px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
  text-wrap: pretty;
}

.body { font-size: 15px; line-height: 1.65; color: var(--muted); text-wrap: pretty; }

/* Standalone statement paragraph — the "thesis" block between sections. */
.statement {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 34px;
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--bone);
  text-wrap: pretty;
}

.statement--sm { font-size: 30px; line-height: 1.32; }

/* ---------- 04 · Buttons, pills, arrows ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 14px 22px;
  color: var(--bone);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn--primary { border-color: var(--bone); background: var(--bone); color: var(--ink); }
.btn--primary:hover { background: var(--eureka); border-color: var(--eureka); color: var(--ink); }

.btn--ghost:hover { border-color: var(--eureka); color: var(--eureka); }

/* Accent-filled button, used on a venture page where one colour owns the surface. */
.btn--accent { border-color: var(--eureka); background: var(--eureka); color: var(--ink); }
.btn--accent:hover { background: var(--ink); color: var(--eureka); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 5px 11px;
  color: var(--muted);
  white-space: nowrap;
}

.pill__dot { width: 5px; height: 5px; border-radius: 999px; background: currentColor; }

.pill--live { border-color: rgba(77, 224, 192, 0.35); color: var(--eureka); }
.pill--waitlist { border-color: rgba(245, 165, 36, 0.35); color: var(--insure); }
.pill--reserved { border-style: dashed; border-color: rgba(139, 124, 255, 0.4); color: var(--reserved); }

.pill--channel {
  gap: 9px;
  padding: 9px 16px;
  border-color: rgba(77, 224, 192, 0.3);
  color: var(--bone);
}
.pill--channel .pill__dot { background: var(--eureka); }

.tags { display: flex; flex-wrap: wrap; gap: 8px; }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--eureka);
}

/* ---------- 05 · Header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 11, 16, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}

.header__bar {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.wordmark:hover { color: var(--bone); }

/* "Sorplos | Eureka" lockup on a venture page. */
.lockup { display: flex; align-items: center; gap: 14px; }
.lockup__divider { width: 1px; height: 16px; background: var(--hairline); }
.lockup__venture { color: var(--eureka); }

.nav { display: flex; align-items: center; gap: 32px; }
.nav__link { color: var(--muted); transition: color 0.2s ease; }
.nav__link:hover, .nav__link[aria-current='page'] { color: var(--bone); }

/* Ventures dropdown */
.nav__menu { position: relative; }

.nav__trigger {
  background: none;
  border: 0;
  padding: 10px 0; /* larger hit target, and shortens the gap to the panel */
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--bone);
}

.nav__chevron { transition: transform 0.2s ease; }
.nav__trigger[aria-expanded='true'] .nav__chevron { transform: rotate(180deg); }

.nav__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: -16px;
  width: 236px;
  background: var(--ink-raised);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 6px;
  flex-direction: column;
}

.nav__menu.is-open .nav__dropdown { display: flex; }

/* Invisible bridge across the gap under the trigger. Without it the pointer
   leaves .nav__menu on the way down and the panel closes before you reach it. */
.nav__dropdown::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
}

.nav__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--bone);
}

.nav__item:hover { background: var(--ink); color: var(--bone); }

.nav__item .dot { width: 5px; height: 5px; border-radius: 999px; flex: none; }
.dot--eureka { background: var(--eureka); }
.dot--insure { background: var(--insure); }
.dot--reserved { border: 1px dashed var(--reserved); }

.nav__status { margin-left: auto; color: var(--muted); }
.nav__item--reserved { color: rgba(139, 124, 255, 0.5); cursor: default; }

/* Mobile menu toggle — two bars, per the 390 artboard. */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 5px;
}

.menu-toggle span { display: block; height: 1px; background: var(--bone); }
.menu-toggle span:first-child { width: 20px; }
.menu-toggle span:last-child { width: 14px; }

.mobile-nav { display: none; border-top: 1px solid var(--hairline); }
.mobile-nav.is-open { display: block; }

.mobile-nav__inner { padding: 12px 0 20px; display: flex; flex-direction: column; }

.mobile-nav__link {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--bone);
  border-bottom: 1px solid var(--hairline);
}

.mobile-nav__link:last-child { border-bottom: 0; }
.mobile-nav__status { margin-left: auto; color: var(--muted); }

/* ---------- 06 · Hero ---------- */

.hero { padding: 96px 0 88px; display: flex; flex-direction: column; gap: 76px; }
.hero__copy { max-width: 760px; display: flex; flex-direction: column; gap: 26px; }
.hero__actions { display: flex; gap: 12px; padding-top: 6px; }

/* ---------- 07 · Spine diagram ---------- */

.spine { position: relative; padding-top: 8px; }

.spine__head { display: flex; align-items: center; }

.spine__node {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: none;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: var(--ink-raised);
  padding: 9px 13px;
  color: var(--bone);
}

.spine__node .dot { width: 5px; height: 5px; border-radius: 999px; background: var(--bone); }

.spine__line {
  position: relative;
  flex: 1;
  height: 1px;
  background: var(--hairline);
  transform-origin: left;
  animation: sp-spine 0.55s ease-out 0.18s both;
}

/* Vertical rail — the same signal path, mobile orientation. */
.spine__rail { display: none; }

.pulse {
  position: absolute;
  top: -1px;
  left: 0;
  width: 3px;
  height: 3px;
  border-radius: 999px;
  animation: sp-travel 18s linear var(--delay, 0s) infinite;
}

.pulse--eureka { background: var(--eureka); box-shadow: 0 0 8px 2px rgba(77, 224, 192, 0.55); }
.pulse--insure { background: var(--insure); box-shadow: 0 0 8px 2px rgba(245, 165, 36, 0.55); }
.pulse--reserved { background: var(--reserved); box-shadow: 0 0 8px 2px rgba(139, 124, 255, 0.45); }

.spine__branches { display: grid; grid-template-columns: repeat(3, 1fr); }

.branch {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: var(--hairline);
  transition: color 0.2s ease;
}

.branch--eureka:hover { color: var(--eureka); }
.branch--insure:hover { color: var(--insure); }
.branch--reserved { color: var(--reserved); opacity: 0.32; }

.branch__stem {
  width: 1px;
  height: 44px;
  background: currentColor;
  margin-left: 56px;
  transform-origin: top;
  animation: sp-branch 0.3s ease-out var(--delay, 0.6s) both;
}

.branch__card {
  width: min(288px, 100%);
  border: 1px solid currentColor;
  border-radius: var(--radius);
  background: var(--ink-raised);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s ease, background 0.2s ease;
  animation: sp-rise 0.5s ease-out var(--rise-delay, 0.9s) both;
}

/* The accent lives on the branch wrapper, so the card must not claim
   the global link hover colour and light its own border the wrong shade. */
.branch__card, .branch__card:hover { color: inherit; }
.branch__card:hover { transform: translateY(-2px); background: var(--ink-hover); }

.branch__head { display: flex; align-items: center; justify-content: space-between; }
.branch__index { color: var(--muted); }
.branch__name { font-family: var(--font-display); font-weight: 500; font-size: 26px; letter-spacing: -0.02em; color: var(--bone); }
.branch__meta { color: var(--muted); }

.branch__led { width: 6px; height: 6px; border-radius: 999px; flex: none; }
.led--eureka { background: var(--eureka); box-shadow: 0 0 7px rgba(77, 224, 192, 0.6); }
.led--insure { background: var(--insure); box-shadow: 0 0 7px rgba(245, 165, 36, 0.6); }
.led--reserved { border: 1px dashed var(--reserved); }

.branch--reserved .branch__card {
  border: 1px dashed var(--reserved);
  background: none;
  min-height: 104px;
}
.branch--reserved .branch__index { color: var(--reserved); }
.branch--reserved .branch__meta { margin-top: auto; color: var(--reserved); }

/* ---------- 08 · Statement ---------- */

.statement-block { padding: 104px 0; max-width: 940px; }

/* ---------- 09 · Ventures ---------- */

.section { padding: 96px 0; }

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 44px;
}

.section__title { display: flex; flex-direction: column; gap: 14px; }

/* auto-fit keeps 3 cards on one row at 1280 and pairs them into rows of two
   from four cards up — the behaviour shown in the "four cards" variant. */
.ventures {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 24px;
}

.venture {
  color: var(--hairline);
  border: 1px solid currentColor;
  border-radius: var(--radius);
  background: var(--ink-raised);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.venture:hover { transform: translateY(-2px); background: var(--ink-hover); }

.venture--eureka { border-top-color: var(--eureka); }
.venture--eureka:hover { color: var(--eureka); border-top-color: var(--eureka); }

.venture--insure { border-top-color: var(--insure); }
.venture--insure:hover { color: var(--insure); border-top-color: var(--insure); }

.venture__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.venture__index { color: var(--muted); }
.venture__summary { margin-top: 8px; font-size: 17px; line-height: 1.5; color: var(--bone); }

.venture__go {
  margin-top: auto;
  padding-top: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.venture--eureka .venture__go { color: var(--eureka); }
.venture--insure .venture__go { color: var(--insure); }

.venture--reserved {
  border: 1px dashed rgba(139, 124, 255, 0.32);
  background: none;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 260px;
}

.venture--reserved .venture__index { color: rgba(139, 124, 255, 0.55); }
.venture--reserved .h3 { margin-top: auto; color: rgba(139, 124, 255, 0.5); }

/* ---------- 10 · Shared spine (about) ---------- */

.split { display: grid; grid-template-columns: 400px 1fr; gap: 80px; }
.split__aside { display: flex; flex-direction: column; gap: 14px; }
.split__body { display: flex; flex-direction: column; border-top: 1px solid var(--hairline); }

.trait {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--hairline);
}

.trait svg { flex: none; margin-top: 3px; }
.trait__text { display: flex; flex-direction: column; gap: 7px; }
.trait__title { font-size: 17px; color: var(--bone); }
.trait__body { max-width: 620px; }

/* ---------- 11 · Operating principles ---------- */

/* 1px grid gaps on a hairline background draw the dividers. The offset from
   the section label must be margin, not padding — padding would render the
   hairline background as a solid slab above the first row. */
.principles {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
}

.principle {
  background: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 0 40px;
}

.principle:first-child { padding-left: 0; }
.principle:last-child { padding-right: 0; }

.principle__index--01 { color: var(--eureka); }
.principle__index--02 { color: var(--insure); }
.principle__index--03 { color: var(--reserved); }

/* ---------- 12 · Partners ---------- */

.partners { padding: 72px 0; display: flex; flex-direction: column; gap: 26px; }
.partners__row { display: flex; flex-wrap: wrap; align-items: center; gap: 40px; }

.partners__name {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.partners__divider { width: 1px; height: 14px; background: var(--hairline); }

/* ---------- 13 · Careers strip ---------- */

.careers {
  padding: 64px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.careers__line {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--bone);
  text-wrap: pretty;
}

.careers .arrow-link { flex: none; }

/* ---------- 14 · Footer ---------- */

.footer { border-top: 1px solid var(--hairline); background: var(--ink); }

.footer__grid {
  padding: 64px 0 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer__col { display: flex; flex-direction: column; gap: 14px; }
.footer__col a { font-size: 15px; }
.footer__venture { display: flex; align-items: center; gap: 9px; }
.footer__reserved { display: flex; align-items: center; gap: 9px; color: rgba(139, 124, 255, 0.5); }

.footer__base { padding: 0 0 56px; }
.footer__legal { padding-top: 24px; display: flex; justify-content: space-between; gap: 24px; }
.footer__legal * { color: var(--muted); }

/* Slim footer used on venture pages. */
.footer--slim {
  padding: 40px var(--gutter);
  display: flex;
  justify-content: space-between;
  gap: 24px;
}
.footer--slim * { color: var(--muted); }

/* ---------- 15 · Venture page ---------- */

.venture-hero {
  position: relative;
  border-top: 1px solid var(--eureka);
  overflow: hidden;
}

.venture-hero__glow {
  position: absolute;
  top: -320px;
  left: 14%;
  width: 760px;
  height: 640px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(77, 224, 192, 0.16) 0%, rgba(77, 224, 192, 0.05) 38%, rgba(6, 11, 16, 0) 70%);
}

.venture-hero__inner {
  position: relative;
  padding: 88px 0 76px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.venture-hero__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.venture-hero__divider { width: 1px; height: 12px; background: var(--hairline); }

.venture-hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 80px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--bone);
}

.venture-hero__lede {
  max-width: 720px;
  font-size: 20px;
  line-height: 1.55;
  color: var(--bone);
  text-wrap: pretty;
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

.capability {
  background: var(--ink-raised);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.capability__index { color: var(--eureka); }
.capability__title { font-size: 17px; color: var(--bone); }

.channels {
  padding: 72px 0;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 64px;
  align-items: start;
}

.cta-band { position: relative; padding: 96px 0; overflow: hidden; }

.cta-band__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 30% 120%, rgba(77, 224, 192, 0.12) 0%, rgba(6, 11, 16, 0) 62%);
}

.cta-band__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.cta-band__copy { display: flex; flex-direction: column; gap: 16px; }

.cta-band__line {
  max-width: 640px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--bone);
  text-wrap: pretty;
}

.cta-band .btn { flex: none; padding: 18px 26px; }

.cross-links { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.cross-link {
  color: var(--hairline);
  border: 1px solid currentColor;
  border-top-color: var(--insure);
  border-radius: var(--radius);
  background: var(--ink-raised);
  padding: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: transform 0.2s ease, color 0.2s ease;
}

.cross-link:hover { color: var(--insure); transform: translateY(-2px); }
.cross-link__text { display: flex; flex-direction: column; gap: 10px; }
.cross-link svg { flex: none; }

.cross-link--reserved {
  border: 1px dashed rgba(139, 124, 255, 0.32);
  background: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.cross-link--reserved .mono { color: rgba(139, 124, 255, 0.55); }
.cross-link--reserved .h3 { color: rgba(139, 124, 255, 0.5); }

/* ---------- 16 · Motion ---------- */

@keyframes sp-spine    { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes sp-branch   { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes sp-branch-h { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes sp-rise     { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@keyframes sp-travel {
  0%   { opacity: 0; left: 0%; }
  3%   { opacity: 1; }
  26%  { opacity: 1; left: 100%; }
  30%  { opacity: 0; left: 100%; }
  100% { opacity: 0; left: 100%; }
}

@keyframes sp-travel-v {
  0%   { opacity: 0; top: 0%; }
  3%   { opacity: 1; }
  26%  { opacity: 1; top: 100%; }
  30%  { opacity: 0; top: 100%; }
  100% { opacity: 0; top: 100%; }
}

.rise { animation: sp-rise 0.6s ease-out var(--delay, 0s) both; }

/* ---------- 16b · Liveliness ---------- */

/* Scroll reveals. The attribute is added by JS, so with JS off nothing is
   ever hidden — content simply renders static. */
[data-reveal] { opacity: 0; transform: translateY(14px); }

[data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.7s cubic-bezier(0.2, 0.6, 0.2, 1) var(--reveal-delay, 0s),
    transform 0.7s cubic-bezier(0.2, 0.6, 0.2, 1) var(--reveal-delay, 0s);
}

/* A signal runs the length of each hairline as it comes into view — the spine
   motif applied to every divider on the site. */
.rule { position: relative; overflow: hidden; }

.rule::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0; /* idle state — the sweep classes drive it */
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(77, 224, 192, 0) 30%,
    rgba(77, 224, 192, 0.5) 50%,
    rgba(77, 224, 192, 0) 70%,
    transparent 100%);
}

/* Direction follows travel: scrolling down sweeps left to right, scrolling
   back up sweeps right to left. JS toggles these, so the sweep replays each
   time a divider comes back into view. */
.rule.sweep-ltr::after { animation: sp-sweep-ltr 3.2s ease-in-out 0.1s 1; }
.rule.sweep-rtl::after { animation: sp-sweep-rtl 3.2s ease-in-out 0.1s 1; }

@keyframes sp-sweep-ltr {
  0%   { opacity: 0; transform: translateX(-101%); }
  12%  { opacity: 1; }
  88%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(101%); }
}

@keyframes sp-sweep-rtl {
  0%   { opacity: 0; transform: translateX(101%); }
  12%  { opacity: 1; }
  88%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(-101%); }
}

/* Status LEDs breathe, so a live venture never looks like a static screenshot. */
@keyframes sp-breathe-eureka {
  0%, 100% { box-shadow: 0 0 7px rgba(77, 224, 192, 0.55); }
  50%      { box-shadow: 0 0 13px 2px rgba(77, 224, 192, 0.9); }
}

@keyframes sp-breathe-insure {
  0%, 100% { box-shadow: 0 0 7px rgba(245, 165, 36, 0.55); }
  50%      { box-shadow: 0 0 13px 2px rgba(245, 165, 36, 0.9); }
}

.led--eureka { animation: sp-breathe-eureka 3.4s ease-in-out infinite; }
.led--insure { animation: sp-breathe-insure 3.4s ease-in-out 1.2s infinite; }
.pill--live .pill__dot { animation: sp-breathe-eureka 3.4s ease-in-out infinite; }
.pill--waitlist .pill__dot { animation: sp-breathe-insure 3.4s ease-in-out 1.2s infinite; }

/* Ambient glow behind the hero. Two accents on one surface reads as the group. */
.hero { position: relative; isolation: isolate; }
.hero__copy, .hero .spine { position: relative; z-index: 1; }

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  z-index: 0;
  pointer-events: none;
  border-radius: 50%;
}

.hero::before {
  top: -220px;
  left: -180px;
  width: 780px;
  height: 620px;
  background: radial-gradient(circle, rgba(77, 224, 192, 0.11) 0%, rgba(77, 224, 192, 0.035) 40%, transparent 70%);
  animation: sp-drift-a 24s ease-in-out infinite alternate;
}

.hero::after {
  top: 40px;
  right: -260px;
  width: 640px;
  height: 540px;
  background: radial-gradient(circle, rgba(245, 165, 36, 0.07) 0%, rgba(245, 165, 36, 0.02) 42%, transparent 70%);
  animation: sp-drift-b 31s ease-in-out infinite alternate;
}

@keyframes sp-drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(70px, 40px, 0) scale(1.14); }
}

@keyframes sp-drift-b {
  from { transform: translate3d(0, 0, 0) scale(1.08); }
  to   { transform: translate3d(-60px, 50px, 0) scale(1); }
}

/* Venture cards pick up their accent as a glow, not just a border. */
.venture--eureka:hover { box-shadow: 0 20px 44px -28px rgba(77, 224, 192, 0.65); }
.venture--insure:hover { box-shadow: 0 20px 44px -28px rgba(245, 165, 36, 0.65); }
.branch--eureka .branch__card:hover { box-shadow: 0 16px 34px -24px rgba(77, 224, 192, 0.7); }
.branch--insure .branch__card:hover { box-shadow: 0 16px 34px -24px rgba(245, 165, 36, 0.7); }

/* ---------- 17 · Responsive ---------- */

/* Tablet — keep the desktop composition, relax the fixed columns. */
@media (max-width: 1080px) {
  :root { --gutter: 48px; }

  .display { font-size: 52px; }
  .h2 { font-size: 38px; }
  .h2--sm { font-size: 34px; }
  .statement { font-size: 28px; }
  .statement-block { padding: 80px 0; }
  .section { padding: 72px 0; }

  .spine__branches { grid-template-columns: repeat(3, 1fr); }
  .branch__stem { margin-left: 32px; }

  .split { grid-template-columns: 1fr; gap: 32px; }
  .principles { grid-template-columns: 1fr; }
  .principle { padding: 28px 0; }
  .principle:first-child { padding-top: 0; }
  .principle:last-child { padding-bottom: 0; }

  .capabilities { grid-template-columns: repeat(2, 1fr); }
  .channels { grid-template-columns: 1fr; gap: 20px; padding: 56px 0; }
  .venture-hero__title { font-size: 60px; }
  .cta-band__line { font-size: 34px; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; gap: 28px; }

  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cross-links { grid-template-columns: 1fr; }
}

/* Mobile — the 390 artboard. */
@media (max-width: 720px) {
  :root { --gutter: 20px; --header-h: 58px; }

  body { font-size: 16px; }

  .nav { display: none; }
  .menu-toggle { display: flex; }
  .wordmark { font-size: 17px; }

  .display { font-size: 36px; line-height: 1.06; }
  .lede { font-size: 16px; }
  .h2 { font-size: 30px; }
  .h2--sm { font-size: 28px; }
  .h3--lg { font-size: 26px; }
  .statement, .statement--sm { font-size: 23px; line-height: 1.3; }

  /* Smaller glows, so the clip at the window edge lands where they are faint. */
  .hero::before { top: -150px; left: -170px; width: 460px; height: 420px; }
  .hero::after { top: 120px; right: -190px; width: 400px; height: 360px; }

  .hero { padding: 36px 0 8px; gap: 44px; }
  .hero__copy { gap: 20px; }
  .hero__actions { flex-direction: column; }
  .btn { justify-content: center; padding: 15px 20px; }

  .statement-block { padding: 44px 0; }
  .section { padding: 44px 0; }
  .section__head { flex-direction: column; align-items: flex-start; gap: 14px; padding-bottom: 24px; }
  .section__head > .mono:last-child { display: none; }

  /* Spine rotates onto a vertical rail. */
  .spine { padding: 8px 0 44px; }
  .spine__line { display: none; }

  /* Left padding clears the rail so each connector starts at it, not through it. */
  .spine__branches {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 20px 0 20px 23px;
  }

  .spine__rail {
    display: block;
    position: absolute;
    left: 22px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--hairline);
    transform-origin: top;
    animation: sp-branch 0.6s ease-out 0.2s both;
  }

  .spine__rail .pulse { left: -1px; top: 0; animation-name: sp-travel-v; }

  .branch { flex-direction: row; align-items: center; }

  .branch__stem {
    width: 28px;
    height: 1px;
    margin-left: 0;
    transform-origin: left;
    animation-name: sp-branch-h;
  }

  .branch__card { width: auto; flex: 1; padding: 16px; }
  .branch__name { font-size: 22px; }
  .branch--reserved .branch__card { flex-direction: row; align-items: center; justify-content: space-between; min-height: 0; }
  .branch--reserved .branch__head { flex: 1; }
  .branch--reserved .branch__meta { margin-top: 0; }

  .ventures { grid-template-columns: 1fr; gap: 16px; }
  .venture { padding: 22px; gap: 14px; }
  .venture--reserved { min-height: 0; padding: 22px; flex-direction: row; align-items: center; justify-content: space-between; }
  .venture--reserved .h3 { margin-top: 0; font-size: 20px; }
  .venture--reserved .venture__index { order: 2; }
  .venture--reserved .body { display: none; }
  .venture__go { min-height: 44px; padding-top: 0; }

  .trait { gap: 16px; padding: 20px 0; }
  .trait__title { font-size: 16px; }

  .partners { padding: 44px 0; gap: 12px; }
  .partners__row { gap: 8px 20px; }
  .partners__name { font-size: 12px; }
  .partners__divider { display: none; }

  .careers { flex-direction: column; align-items: flex-start; gap: 16px; padding: 36px 0; }
  .careers__line { font-size: 22px; }
  .careers .arrow-link { min-height: 44px; }

  .footer__grid { grid-template-columns: 1fr; gap: 28px; padding: 36px 0 24px; }
  .footer__base { padding-bottom: 40px; }
  .footer__legal { flex-direction: column; gap: 10px; }
  .footer--slim { flex-direction: column; gap: 10px; padding: 32px var(--gutter) 40px; }

  .venture-hero__inner { padding: 40px 0 44px; gap: 20px; }
  .venture-hero__title { font-size: 44px; }
  .venture-hero__lede { font-size: 17px; }
  .venture-hero__glow { left: -20%; width: 520px; }
  .capabilities { grid-template-columns: 1fr; }
  .capability { padding: 22px; }
  .cta-band { padding: 44px 0; }
  .cta-band__line { font-size: 26px; }
  .cross-link { padding: 22px; }
}

/* ---------- 18 · Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }

  /* Entrance animations use both to hold their start frame — release them. */
  .rise, .spine__line, .spine__rail, .branch__stem, .branch__card,
  [data-reveal], [data-reveal].is-in {
    opacity: 1 !important;
    transform: none !important;
  }

  .pulse { display: none; }
  .rule::after, .hero::before, .hero::after { display: none; }
}