/* ============================================================================
   Page shell — container, grid, preloader, nav, footer.
   ========================================================================== */

.shell {
  inline-size: min(100% - var(--gutter) * 2, var(--maxw));
  margin-inline: auto;
}

.shell--wide {
  inline-size: min(100% - var(--gutter) * 2, 1480px);
}

.section {
  position: relative;
  padding-block: var(--section-y);
}

/* Note: `content-visibility: auto` was deliberately NOT used on these sections.
   It skips layout until a section nears the viewport, which means the document
   height is an estimate — and on a page where ScrollTrigger has measured start
   and end points against that height, the corrections show up as scroll jumps.
   Images are lazy-loaded instead, which gets most of the benefit for none of
   the instability. */

.section__head {
  display: grid;
  gap: 1.1rem;
  max-inline-size: 46rem;
  margin-block-end: clamp(2.75rem, 1rem + 5vw, 5rem);
}

.section__head--center {
  margin-inline: auto;
  text-align: center;
  justify-items: center;
}

.grid {
  display: grid;
  gap: clamp(1rem, 0.5rem + 1.4vw, 1.75rem);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}

/* ------------------------------------------------------------- preloader */

.preloader {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 1.75rem;
  background: var(--bg-deep);
}

.preloader[hidden] {
  display: none;
}

.preloader__mark {
  inline-size: 74px;
  block-size: 74px;
}

.preloader__bar {
  inline-size: min(46vw, 220px);
  block-size: 2px;
  background: var(--line);
  border-radius: var(--r-pill);
  overflow: hidden;
}

.preloader__fill {
  block-size: 100%;
  inline-size: 0%;
  background: linear-gradient(90deg, var(--hire), var(--earn));
  border-radius: inherit;
}

.preloader__count {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  color: var(--ink-faint);
}

/* ------------------------------------------------------------------- nav */

.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  transition:
    background var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    backdrop-filter var(--dur) var(--ease-out);
  border-block-end: 1px solid transparent;
}

.nav.is-stuck {
  background: var(--scrim);
  border-block-end-color: var(--glass-line);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  block-size: 4.75rem;
  transition: block-size var(--dur) var(--ease-out);
}

.nav.is-stuck .nav__inner {
  block-size: 3.9rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: -0.02em;
  margin-inline-end: auto;
}

.brand__mark {
  inline-size: 30px;
  block-size: 30px;
  border-radius: 9px;
  flex: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav__link {
  position: relative;
  padding: 0.45rem 0.7rem;
  border-radius: var(--r-xs);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--ink-soft);
  transition: color var(--dur-fast) var(--ease-out);
}

.nav__link::after {
  content: '';
  position: absolute;
  inset-inline: 0.7rem;
  inset-block-end: 0.15rem;
  block-size: 1.5px;
  background: var(--accent-lt);
  border-radius: 2px;
  scale: 0 1;
  transform-origin: left;
  transition: scale var(--dur) var(--ease-out);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--ink);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  scale: 1 1;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  display: grid;
  place-items: center;
  inline-size: 2.35rem;
  block-size: 2.35rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--glass-line);
  background: var(--glass);
  color: var(--ink-soft);
  transition:
    color var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.icon-btn:hover {
  color: var(--ink);
  background: var(--glass-2);
  border-color: var(--line-2);
}

.icon-btn svg {
  inline-size: 1.05rem;
  block-size: 1.05rem;
}

/* The sun/moon pair share a slot; only the one for the *other* theme shows. */
.theme-toggle .icon-moon {
  display: none;
}
:root[data-theme='light'] .theme-toggle .icon-moon {
  display: block;
}
:root[data-theme='light'] .theme-toggle .icon-sun {
  display: none;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme='dark']) .theme-toggle .icon-moon {
    display: block;
  }
  :root:not([data-theme='dark']) .theme-toggle .icon-sun {
    display: none;
  }
}

.nav__burger {
  display: none;
}

/* ------------------------------------------------------------ mobile nav */

@media (max-width: 860px) {
  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__burger {
    display: grid;
  }

  .nav__sheet {
    position: fixed;
    inset: 4.75rem 0 auto;
    z-index: 99;
    display: grid;
    gap: 0.25rem;
    padding: 1rem var(--gutter) 1.75rem;
    background: var(--surface);
    border-block-end: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    translate: 0 -110%;
    visibility: hidden;
    transition:
      translate var(--dur) var(--ease-out),
      visibility var(--dur);
  }

  .nav__sheet.is-open {
    translate: 0 0;
    visibility: visible;
  }

  .nav__sheet a {
    padding: 0.85rem 0.25rem;
    font-weight: 500;
    border-block-end: 1px solid var(--line);
  }

  .nav__sheet .btn {
    margin-block-start: 1rem;
    justify-content: center;
  }
}

@media (min-width: 861px) {
  .nav__sheet {
    display: none;
  }
}

/* ---------------------------------------------------------------- footer */

.footer {
  position: relative;
  padding-block: clamp(3.5rem, 2rem + 5vw, 6rem) 2.5rem;
  border-block-start: 1px solid var(--line);
  background: var(--bg-deep);
}

.footer__grid {
  display: grid;
  gap: clamp(2rem, 1rem + 3vw, 4rem);
  grid-template-columns: minmax(min(100%, 18rem), 1.4fr) repeat(auto-fit, minmax(9rem, 1fr));
  align-items: start;
}

.footer__blurb {
  max-inline-size: 26rem;
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  margin-block-start: 1rem;
}

.footer h4 {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
  margin-block-end: 1rem;
}

.footer__list {
  display: grid;
  gap: 0.7rem;
  font-size: var(--fs-sm);
  color: var(--ink-soft);
}

.footer__list a:hover {
  color: var(--accent-lt);
}

.footer__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  margin-block-start: clamp(2.5rem, 1.5rem + 3vw, 4rem);
  padding-block-start: 1.75rem;
  border-block-start: 1px solid var(--line);
  font-size: var(--fs-xs);
  color: var(--ink-faint);
}