/* ============================================================
 * FOUNDATION — reusable across OnSite + future GroupEd site
 * Sky-blue primary action. Navy dominant. Violet rare pop.
 * Brand-correct off-white canvas.
 * ============================================================ */

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ge-white); /* WHITE canvas — bands carry their own bg */
}
img, svg { display: block; max-width: 100%; height: auto; }
button { font-family: inherit; cursor: pointer; }
a { text-decoration: none; }

/* Opacity tokens — used throughout for on-dark surfaces */
:root {
  --white-95: rgba(255,255,255,0.95);
  --white-85: rgba(255,255,255,0.85);
  --white-70: rgba(255,255,255,0.70);
  --white-55: rgba(255,255,255,0.55);
  --white-35: rgba(255,255,255,0.35);
  --white-18: rgba(255,255,255,0.18);
  --white-10: rgba(255,255,255,0.10);
  --navy-shadow-sm: rgba(15,20,56,0.06);
  --navy-shadow-md: rgba(15,20,56,0.12);
}

/* ---------- LAYOUT PRIMITIVES ---------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding: 0 var(--sp-5);
}
@media (min-width: 768px) {
  .container { padding: 0 var(--sp-8); }
}

.section {
  padding: var(--sp-10) 0;
}
@media (min-width: 768px) {
  .section { padding: var(--sp-12) 0; }
}

/* ---------- EYEBROW PILL — sized to its text ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  align-self: flex-start; /* Don't stretch when inside a flex-column parent */
  gap: 6px;
  padding: 4px 10px;
  background: var(--ge-navy);
  color: var(--ge-white);
  font-size: 10px;
  font-weight: var(--fw-regular);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  line-height: 1.5;
}
.eyebrow--sky    { background: var(--ge-sky);      color: var(--ge-white); }
.eyebrow--violet { background: var(--ge-violet-4); color: var(--ge-white); }
.eyebrow--red    { background: var(--ge-red-3);    color: var(--ge-white); }
.eyebrow--ghost  {
  background: transparent;
  color: var(--ge-navy);
  border: 1px solid var(--ge-neutral-lt4);
  padding: 3px 10px;
}
.eyebrow--on-dark { background: var(--ge-white);    color: var(--ge-navy); }

/* ---------- CARDS — primary building block ---------- */
.card {
  background: var(--ge-white);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) {
  .card { padding: var(--sp-10); }
}
.card--dark   { background: var(--ge-navy);     color: var(--ge-white); }
.card--violet { background: var(--ge-violet-4); color: var(--ge-white); }
.card--sky    { background: var(--ge-sky);      color: var(--ge-white); }
.card--muted  { background: var(--ge-bg-light); }
.card--blue3  { background: var(--ge-blue-3);   color: var(--ge-navy); } /* very light sky tint */
.card--snug   { padding: var(--sp-6); }
@media (min-width: 768px) {
  .card--snug { padding: var(--sp-7); }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: 12px 14px 12px 22px;
  font-family: var(--font-sans);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-regular);
  letter-spacing: 0.01em;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: background var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard),
              color var(--dur-base) var(--ease-standard);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}
/* Primary = sky blue per brand */
.btn--primary { background: var(--ge-sky);  color: var(--ge-white); }
.btn--primary:hover { background: var(--ge-blue); color: var(--ge-white); }
/* Dark primary — for use on light cards where we want navy weight */
.btn--dark { background: var(--ge-navy); color: var(--ge-white); }
.btn--dark:hover { background: var(--ge-blue); }
/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--ge-navy);
  border-color: var(--ge-neutral-lt4);
  padding: 12px 22px;
}
.btn--ghost:hover { border-color: var(--ge-navy); background: var(--ge-white); }
.btn--on-dark.btn--ghost {
  color: var(--ge-white);
  border-color: var(--white-35);
}
.btn--on-dark.btn--ghost:hover {
  border-color: var(--ge-white);
  background: var(--white-10);
}
.btn--large {
  padding: 14px 14px 14px 28px;
  font-size: var(--fs-body);
}
.btn--large.btn--ghost { padding: 14px 28px; }

.btn .btn__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: var(--ge-navy);
  color: var(--ge-white);
  transition: transform var(--dur-base) var(--ease-standard);
}
.btn--dark .btn__arrow { background: var(--ge-sky); }
.btn--primary:hover .btn__arrow,
.btn--dark:hover .btn__arrow { background: var(--ge-white); color: var(--ge-blue); }
.btn .btn__arrow svg { width: 12px; height: 12px; }
.btn:hover .btn__arrow { transform: translateX(2px); }

/* ---------- FORM FIELDS: keep autofill neutral grey (no browser pink/yellow) ---------- */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
select:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 1000px #F2F3F5 inset;
  box-shadow: 0 0 0 1000px #F2F3F5 inset;
  -webkit-text-fill-color: var(--ge-navy, #0F1438);
  caret-color: var(--ge-navy, #0F1438);
  transition: background-color 5000s ease-in-out 0s;
}

/* ---------- NAV ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  transition: background var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard);
}
.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 1px 0 var(--navy-shadow-sm);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--sp-6);
  height: 84px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--sp-5);
}
/* Push nav links + CTA over to the right next to the brand. */
.nav__inner > nav[aria-label="Primary"] { margin-left: auto; }
@media (min-width: 768px) {
  .nav__inner { padding: 0 var(--sp-8); height: 92px; }
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
}
.nav__brand img {
  height: 56px;
  width: auto;
}
@media (min-width: 768px) {
  .nav__brand img { height: 72px; }
}
.nav__brand-by {
  font-size: 13px;
  font-weight: var(--fw-light);
  color: var(--fg2);
  letter-spacing: 0.01em;
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--sp-8);
  list-style: none;
  margin: 0;
  padding: 0;
}
@media (min-width: 1024px) {
  .nav__links { display: flex; }
}
.nav__link {
  color: var(--ge-navy);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-regular);
  position: relative;
  padding: 6px 0;
  transition: color var(--dur-base) var(--ease-standard);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--ge-sky);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-base) var(--ease-standard);
}
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); }
.nav__link:hover { color: var(--ge-blue); }

.nav__cta { display: none; }
@media (min-width: 1024px) { .nav__cta { display: inline-flex; } }

.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--ge-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--ge-navy);
}
@media (min-width: 1024px) { .nav__toggle { display: none; } }
.nav__toggle:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.nav__overlay {
  position: fixed;
  inset: 84px 0 0 0;
  background: var(--ge-white);
  z-index: 99;
  padding: var(--sp-8) var(--sp-5);
  display: none;
  flex-direction: column;
  gap: var(--sp-2);
  overflow-y: auto;
}
.nav__overlay.is-open { display: flex; }
.nav__overlay .nav__link {
  font-size: var(--fs-h3);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border);
}
.nav__overlay .btn { margin-top: var(--sp-6); align-self: flex-start; }
@media (min-width: 1024px) { .nav__overlay { display: none !important; } }

/* ---------- FOOTER ---------- */
.footer {
  background: var(--ge-navy);
  color: var(--fg-on-dark);
  /* No top margin or radius — footer hard-cuts onto the final-cta navy band. */
  padding: var(--sp-16) 0 var(--sp-6);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
}
@media (min-width: 768px) {
  .footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
/* Stacked logos in footer — OnSite on top, GroupEd underneath.
 * Explicit align-items: flex-start so logos + divider + tagline all left-align. */
.footer__brand-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-5);
  margin-bottom: var(--sp-5);
}
.footer__brand-onsite {
  height: 56px;
  width: auto;
  display: block;
}
@media (min-width: 768px) {
  .footer__brand-onsite { height: 72px; }
}
.footer__brand-grouped { height: 36px; width: auto; display: block; }
.footer__brand-divider {
  width: 32px;
  height: 1px;
  background: var(--white-18);
  border: 0;
  margin: 0;
}
.footer__tagline {
  color: var(--white-70);
  font-weight: var(--fw-light);
  max-width: 320px;
  margin: 0;
  line-height: 1.55;
}
.footer__col-title {
  font-size: 11px;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--white-55);
  margin: 0 0 var(--sp-4);
  font-weight: var(--fw-regular);
}
.footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.footer__list a,
.footer__list span {
  color: var(--white-85);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-light);
  transition: color var(--dur-base) var(--ease-standard);
}
.footer__list a:hover { color: var(--ge-sky); }

.footer__divider {
  border: 0;
  border-top: 1px solid var(--white-10);
  margin: var(--sp-10) 0 var(--sp-5);
}
.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  font-size: var(--fs-caption);
  color: var(--white-55);
}
@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.footer__bottom a { color: var(--white-70); }
.footer__bottom a:hover { color: var(--ge-sky); }
.footer__legal {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2) var(--sp-5);
}

/* ---------- UTILITIES ---------- */
.sr-only {
  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: -100px;
  left: var(--sp-4);
  z-index: 1000;
  background: var(--ge-navy);
  color: var(--ge-white);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-sm);
  font-size: var(--fs-body-sm);
}
.skip-link:focus {
  top: var(--sp-4);
  outline: 2px solid var(--ge-sky);
  outline-offset: 2px;
}

/* Highlighter — wraps a phrase in a heading.
 * Sky for normal use, violet for the single "we're different" moment. */
.hl {
  display: inline-block;
  background: var(--ge-blue-3);
  color: var(--ge-blue);
  padding: 0 12px;
  border-radius: var(--radius-md);
  line-height: 1.1;
}
.hl--violet { background: var(--ge-violet-2); color: var(--ge-violet-4); }
.hl--sky-solid { background: var(--ge-sky); color: var(--ge-white); }
.hl--white { background: var(--ge-white); color: var(--ge-navy); }

/* Any heading/title that wraps a highlight pill needs extra line-height: the
 * inline-block pill (line-height 1.18 + ~0.30em vertical padding ≈ 1.48em) is
 * taller than the text line, so on a wrapped heading it overlaps the line
 * above. `> .hl` scopes this to the pill's own parent (never ancestor
 * sections); `:not(:root)` lifts specificity (0,2,0) above the per-section
 * heading line-heights so it applies across every page. */
:has(> .hl):not(:root) {
  line-height: 1.55;
}