/* ============================================================
   Shared chrome + primitives — used identically on every page.
   Instantiated by the <av-nav>, <av-menu>, <av-footer>, <av-scan>
   custom elements defined in assets/js/chrome.js.
   ============================================================ */

.av-container {
  max-width: var(--av-measure);
  margin: 0 auto;
}

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

.av-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 239px;
  height: 66px;
  box-sizing: border-box;
  border-radius: var(--av-radius-lg);
  font-size: var(--av-text-body-lg);
  line-height: var(--av-leading-body);
  border: 0;
  cursor: pointer;
  text-decoration: none;
}
.av-btn--block { width: 100%; }

.av-btn--secondary {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--av-n300);
  color: var(--av-text);
  transition: box-shadow var(--av-dur-mid) ease;
}
.av-btn--secondary:hover { box-shadow: inset 0 0 0 2px var(--av-black); }
.av-btn--secondary.av-btn--dark {
  box-shadow: inset 0 0 0 1px var(--av-n700);
  color: var(--av-text-inverse);
}
.av-btn--secondary.av-btn--dark:hover { box-shadow: inset 0 0 0 2px var(--av-white); }

.av-btn--solid {
  background: var(--av-black);
  color: var(--av-white);
}
.av-btn--solid.av-btn--dark {
  background: var(--av-white);
  color: var(--av-black);
}

/* Primary — the animated one. Driven entirely by custom properties so it
   needs no JS; only :hover toggles them. */
.av-btn--primary {
  position: relative;
  padding: 4px;
  background: var(--av-black);
  overflow: hidden;
  --sw: 58px;
  --gw: 58px;
  --gop: 1;
  --tc: var(--av-white);
}
.av-btn--primary.av-btn--dark {
  background: var(--av-white);
  --tc: var(--av-black);
}
.av-btn--primary:hover {
  --sw: calc(100% - 8px);
  --gw: 0px;
  --gop: 0;
  --tc: var(--av-black);
}
.av-btn--primary.av-btn--dark:hover { --tc: var(--av-white); }

.av-btn--primary__square {
  position: absolute;
  left: 4px;
  top: 4px;
  bottom: 4px;
  width: var(--sw);
  border-radius: var(--av-radius-md);
  background: var(--av-white);
  transition: width var(--av-dur-slow) var(--av-ease);
}
.av-btn--primary.av-btn--dark .av-btn--primary__square { background: var(--av-black); }

.av-btn--primary__glyph {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--gw);
  overflow: hidden;
  opacity: var(--gop);
  transition: width var(--av-dur-slow) var(--av-ease), opacity var(--av-dur-fast) ease;
}
.av-btn--primary__glyph svg { flex-shrink: 0; stroke: var(--av-black); }
.av-btn--primary.av-btn--dark .av-btn--primary__glyph svg { stroke: var(--av-white); }

.av-btn--primary__label {
  position: relative;
  flex: 1;
  text-align: center;
  color: var(--tc);
  transition: color var(--av-dur-mid) ease;
}

/* ---------- Announcement strip ---------- */

.av-strip {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 68;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 11px var(--av-gutter);
  box-sizing: border-box;
  background: var(--av-black);
  transition: opacity .35s ease, transform .45s var(--av-ease);
}
.av-strip span { font-size: 14px; line-height: 1.4; text-align: center; color: var(--av-white); text-wrap: pretty; }
.av-strip a.av-strip__link { white-space: nowrap; color: var(--av-white); text-decoration: underline; text-decoration-color: var(--av-n600); text-underline-offset: 3px; }
.av-strip--hidden { opacity: 0; transform: translateY(-100%); pointer-events: none; }

/* ---------- Nav bar (desktop) ---------- */

.av-nav {
  position: fixed;
  top: 44px; left: 0; right: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--av-space-5);
  padding: 26px var(--av-gutter);
  transition: opacity .35s ease, transform .45s var(--av-ease);
}
.av-nav__links { display: flex; align-items: center; gap: clamp(20px, 5vw, 74px); }
.av-nav__link {
  font-size: var(--av-text-caption);
  line-height: 1;
  letter-spacing: var(--av-tracking-eyebrow);
  text-transform: uppercase;
  transition: color var(--av-dur-fast) ease;
}
.av-nav__link:hover { color: var(--av-n600); }
.av-nav__logo { display: block; justify-self: center; }
.av-nav__logo img { display: block; width: 168px; height: 18px; }
.av-nav__right { display: flex; align-items: center; justify-content: flex-end; gap: clamp(16px, 3vw, 44px); }
.av-nav__cta {
  display: flex; align-items: center; justify-content: center;
  height: 34px; padding: 0 var(--av-space-4);
  border-radius: var(--av-radius-sm);
  background: var(--av-black); color: var(--av-white);
  font-size: var(--av-text-caption); line-height: 1; letter-spacing: var(--av-tracking-eyebrow);
  text-transform: uppercase; white-space: nowrap; border: 0; cursor: pointer;
  transition: box-shadow var(--av-dur-fast) ease;
}
.av-nav__cta:hover { box-shadow: inset 0 0 0 2px var(--av-white); }
.av-nav--collapsed { opacity: 0; transform: translateY(-24px); pointer-events: none; }

/* ---------- Mobile bar ---------- */

.av-mbar {
  position: fixed; top: 44px; left: 0; right: 0;
  z-index: 65;
  display: none;
  align-items: center; justify-content: center;
  padding: 18px 20px;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: opacity .35s ease, transform .45s var(--av-ease);
}
.av-mbar img { display: block; width: 118px; height: 13px; }
.av-mbar--hidden { opacity: 0; transform: translateY(-24px); pointer-events: none; }
.av-mbar__burger {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 5px; width: 44px; height: 44px; padding: 0; border: 0; border-radius: 12px;
  background: transparent; cursor: pointer;
}
.av-mbar__burger span { display: block; width: 20px; height: 1.5px; background: var(--av-black); }

/* Floating collapsed burger, shown once scrolled past the nav */
.av-burger {
  position: fixed; top: 20px; right: var(--av-gutter);
  z-index: 70;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 5px; width: 54px; height: 54px; padding: 0; border: 0; border-radius: var(--av-radius-md);
  background: var(--av-white); cursor: pointer;
  opacity: 0; transform: translateY(-16px) scale(.9); pointer-events: none;
  transition: opacity .35s ease, transform .45s var(--av-ease), background .35s ease;
}
.av-burger--visible { opacity: 1; transform: none; pointer-events: auto; }
.av-burger__bar { display: block; width: 20px; height: 1.5px; background: var(--av-black); transition: background .35s ease; }

/* ---------- Fullscreen menu ---------- */

.av-menu {
  position: fixed; inset: 0; z-index: 80;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  gap: var(--av-space-2);
  padding: 0 clamp(28px, 8vw, 120px);
  background: var(--av-black);
  opacity: 0; pointer-events: none;
  transition: opacity var(--av-dur-mid) ease;
  overflow: hidden;
}
.av-menu--open { opacity: 1; pointer-events: auto; }
.av-menu__close {
  position: absolute; top: 20px; right: var(--av-gutter);
  display: grid; place-items: center; width: 54px; height: 54px; padding: 0; border: 0;
  border-radius: var(--av-radius-md); background: var(--av-white); cursor: pointer;
}
.av-menu__logo {
  position: absolute; right: clamp(24px, 6vw, 90px); top: 50%;
  width: min(46vw, 620px); transform: translateY(-50%);
  perspective: 900px; pointer-events: none;
}
.av-menu__logo-tilt { position: relative; transform-style: preserve-3d; transition: transform .45s var(--av-ease); }
.av-menu__logo-mask {
  width: 100%; aspect-ratio: 1400 / 150; background: #2E2E2E;
  -webkit-mask: url(../images/avalonx-white.svg) center / contain no-repeat;
  mask: url(../images/avalonx-white.svg) center / contain no-repeat;
}
.av-menu__logo-lite {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(255,255,255,0) 30%, rgba(255,255,255,.95) 48%, rgba(255,255,255,0) 66%);
  background-size: 260% 100%;
  background-position: var(--lx, 50%) 50%;
  -webkit-mask: url(../images/avalonx-white.svg) center / contain no-repeat;
  mask: url(../images/avalonx-white.svg) center / contain no-repeat;
}
@media (max-width: 859px) {
  .av-menu__logo { position: static; width: min(72vw, 420px); transform: none; margin-top: var(--av-space-7); order: 99; }
}
.av-menu__link {
  font-family: var(--av-font-heading);
  font-weight: var(--av-weight-heading);
  font-size: clamp(39px, 5vw, 68px);
  line-height: 1.25;
  letter-spacing: var(--av-tracking-display);
  color: var(--av-white);
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-align: left;
  align-self: flex-start;
  transition: color var(--av-dur-fast) ease;
}
.av-menu__link:hover { color: var(--av-n400); }

/* ---------- Scan modal ("Run a free test") ---------- */

.av-scan {
  position: fixed; inset: 0; z-index: 90;
  background: var(--av-black);
  opacity: 0; transform: translateX(100%); pointer-events: none;
  overflow-y: auto; overscroll-behavior: contain;
  transition: transform .72s var(--av-ease), opacity .4s ease;
}
.av-scan--open { opacity: 1; transform: translateX(0); pointer-events: auto; }
.av-scan__inner { position: relative; display: flex; flex-direction: column; min-height: 100%; box-sizing: border-box; padding: 28px var(--av-gutter) 64px; }
.av-scan__close-row { display: flex; align-items: center; justify-content: flex-end; gap: var(--av-space-5); }
.av-scan__close {
  display: grid; place-items: center; width: 54px; height: 54px; padding: 0; border: 0;
  border-radius: var(--av-radius-md); background: var(--av-white); cursor: pointer;
  transition: background .3s ease;
}
.av-scan__close:hover { background: var(--av-n300); }
.av-scan__body {
  flex: 1; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr));
  gap: clamp(48px, 6vw, 104px); width: 100%; max-width: 1240px; margin: 0 auto;
  padding: clamp(40px, 6vh, 72px) 0; box-sizing: border-box; align-items: center; justify-items: center;
}
.av-scan__pitch { width: 100%; max-width: 520px; }
.av-scan__pitch img { display: block; width: 112px; height: 12px; margin-bottom: 28px; }
.av-scan__pitch h2 { font-size: var(--av-text-d2); line-height: 1; letter-spacing: var(--av-tracking-display); color: var(--av-white); }
.av-scan__pitch > p { margin: 28px 0 0; max-width: 470px; font-size: var(--av-text-body-lg); line-height: var(--av-leading-body); color: var(--av-n400); text-wrap: pretty; }
.av-scan__list { display: flex; flex-direction: column; gap: 20px; margin: 48px 0 0; padding: 0; list-style: none; }
.av-scan__list li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: var(--av-space-4); align-items: start; }
.av-scan__list li svg { margin-top: 4px; flex-shrink: 0; }
.av-scan__list li span { font-size: var(--av-text-body); line-height: var(--av-leading-body); color: var(--av-n400); text-wrap: pretty; }

.av-scan__form { display: flex; flex-direction: column; gap: 8px; width: 100%; max-width: 560px; }
.av-scan__field { position: relative; padding: 28px 0 22px; border-bottom: 1px solid var(--av-n800); transition: border-color .4s ease; }
.av-scan__field label { display: block; font-size: 12px; line-height: 1.4; letter-spacing: var(--av-tracking-eyebrow); text-transform: uppercase; color: var(--av-n500); }
.av-scan__field label.av-scan__label-row { display: flex; align-items: baseline; gap: 10px; }
.av-scan__field label .av-scan__optional { letter-spacing: var(--av-tracking-eyebrow); color: var(--av-n700); }
.av-scan__value-row { display: flex; align-items: baseline; gap: .3em; margin-top: 18px; font-family: var(--av-font-heading); font-weight: 700; font-size: clamp(28px, 3.2vw, 44px); line-height: 1; letter-spacing: var(--av-tracking-display); }
.av-scan__value-row span.av-scan__prefix { color: var(--av-n700); }
.av-scan__value-row input { flex: 1; min-width: 0; padding: 0; border: 0; background: transparent; font: inherit; letter-spacing: inherit; color: var(--av-white); outline: none; }
.av-scan__underline { position: absolute; left: 0; bottom: -1px; height: 1px; width: 0%; background: var(--av-white); transition: width .6s var(--av-ease); }
.av-scan__hint { margin: 22px 0 0; font-size: 12px; line-height: 1.4; color: var(--av-n600); text-wrap: pretty; }
.av-scan__submit-row { display: flex; align-items: center; gap: var(--av-space-5); margin-top: 28px; }
.av-scan__msg { font-size: var(--av-text-caption); line-height: var(--av-leading-body); color: var(--av-n500); }

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

.av-footer { background: var(--av-bg-inverse); padding: var(--av-space-9) var(--av-gutter); }
.av-footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 60px; }
.av-footer__brand { display: flex; flex-direction: column; align-items: flex-start; gap: var(--av-space-4); }
.av-footer__brand img { display: block; width: 132px; height: 14px; }
.av-footer__social {
  display: flex; align-items: center; justify-content: center; width: 32px; height: 32px;
  border-radius: 64px; background: var(--av-white); transition: background var(--av-dur-fast) ease;
}
.av-footer__social:hover { background: var(--av-n300); }
.av-footer__col { display: flex; flex-direction: column; gap: var(--av-space-5); }
.av-footer__title { font-family: var(--av-font-heading); font-weight: var(--av-weight-heading-sub); font-size: var(--av-text-h6); line-height: 32px; color: var(--av-text-inverse); }
.av-footer__links { display: flex; flex-direction: column; gap: var(--av-space-2); }
.av-footer__links a, .av-footer__links button {
  font-size: var(--av-text-body); line-height: 32px; color: var(--av-text-inverse);
  background: transparent; border: 0; padding: 0; text-align: left; cursor: pointer; font-family: inherit;
  align-self: flex-start; transition: color var(--av-dur-fast) ease;
}
.av-footer__links a:hover, .av-footer__links button:hover { color: var(--av-n400); }
.av-footer__rule { height: 1px; margin: 50px 0; background: var(--av-rule-inverse); }
.av-footer__notice { font-size: var(--av-text-caption); line-height: 32px; color: var(--av-text-inverse); }

/* ---------- Badge (compliance pill / MOST POPULAR flag) ---------- */

.av-badge {
  display: inline-flex; align-self: flex-start; padding: 4px 8px; border-radius: 40px;
  background: var(--av-black); font-family: var(--av-font-heading); font-weight: 700;
  font-size: 14px; line-height: 1; color: var(--av-white); white-space: nowrap;
}

/* ---------- Noise band (full-bleed section transition) ---------- */

.av-noise-band {
  position: relative;
  aspect-ratio: 5117 / 1082;
  overflow: hidden;
  background: url(../images/noise-gradient-short.jpg) center top / 100% 100% no-repeat,
              linear-gradient(180deg, #FFFFFF 0%, #FFFFFF 40%, #000000 100%);
}

/* ---------- FeatureTile (icon + heading + body, dark ground) ---------- */

.av-feature {
  display: flex; flex-direction: column; gap: var(--av-space-5);
}
.av-feature__icon {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--av-radius-sm); background: var(--av-white);
}
.av-feature__icon--lg { width: 56px; height: 56px; flex: 0 0 auto; }
.av-feature h3 { font-size: var(--av-text-h6); line-height: 1; color: var(--av-text-inverse); }
.av-feature p { margin: 0; font-size: var(--av-text-body); line-height: var(--av-leading-body); color: var(--av-n400); text-wrap: pretty; }
.av-feature--center { align-items: center; text-align: center; }

/* ---------- ComplianceCard (dashed-outline framework pill + copy) ---------- */

.av-compliance-card {
  display: flex; flex-direction: column; justify-content: flex-end; gap: 22px;
  min-height: 183px; padding: 32px 24px; box-sizing: border-box; border-radius: var(--av-radius-2xl);
  outline: 1px dashed var(--av-black); outline-offset: -1px;
  transition: background var(--av-dur-mid) ease;
}
.av-compliance-card:hover { background: var(--av-n50); }

/* ---------- Section headings ---------- */

.av-heading-group { text-align: center; }
.av-heading-group h2 { max-width: 900px; margin: 0 auto; }
.av-heading-group p { max-width: 743px; margin: var(--av-space-4) auto 0; font-size: var(--av-text-body-lg); line-height: var(--av-leading-body); }