/* Header, navigation, section scaffolding, grids, footer. */

/* --- Header --------------------------------------------------------------- */

.ace-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--ace-z-header);
  height: var(--ace-header-h);
  transition:
    background-color var(--ace-dur) var(--ace-ease),
    backdrop-filter var(--ace-dur) var(--ace-ease);
}

.ace-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: -1;
  height: calc(var(--ace-header-h) * 1.7);
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(7, 9, 15, .78), rgba(7, 9, 15, .34) 55%, transparent);
  transition: opacity var(--ace-dur) var(--ace-ease-soft);
}

.ace-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background-color: var(--ace-line);
  opacity: 0;
  transition: opacity var(--ace-dur) var(--ace-ease);
}

.ace-header.is-scrolled {
  background-color: rgba(7, 9, 15, .74);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
}

.ace-header.is-scrolled::before { opacity: 0; }
.ace-header.is-scrolled::after { opacity: 1; }

.ace-header.is-open,
.ace-header.is-open.is-scrolled {
  background-color: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  transition: none;
}

.ace-header.is-open::before,
.ace-header.is-open::after { opacity: 0; }

.ace-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ace-sp-5);
  height: 100%;
}

.ace-header__logo {
  position: relative;
  z-index: 3;
  flex: none;
  transition: opacity var(--ace-dur) var(--ace-ease);
}

.ace-header__logo:hover { opacity: .78; }

/* --- Header bar ----------------------------------------------------------- */

/* Bar carries logo + CTA + burger at every width; the links live in the panel. */

.ace-header__cta {
  position: relative;
  z-index: 3;
  flex: none;
  margin-left: auto;
}

@media (max-width: 640px) {
  .ace-dock-on .ace-header:not(.is-open) .ace-header__cta {
    visibility: hidden;
    opacity: 0;
  }
}

.ace-header__burger {
  position: relative;
  z-index: 3;
  display: grid;
  place-content: center;
  gap: 6px;
  flex: none;
  width: 44px;
  height: 44px;
  margin-right: -10px;
}

/* Even thickness and gap: a 1.5px bar over a 7px gap puts the two bars a half
   pixel out of phase, so they rasterise at different weights. */
.ace-header__burger span {
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background-color: var(--ace-porcelain);
  transition:
    transform var(--ace-dur) var(--ace-ease),
    background-color var(--ace-dur) var(--ace-ease);
}

.ace-header.is-open .ace-header__burger span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.ace-header.is-open .ace-header__burger span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* Wordmark + pill + burger no longer fit the bar below this. */
@media (max-width: 559.98px) {
  .ace-header__logo .ace-lockup__name { display: none; }
}

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

.ace-header.is-open .ace-header__inner::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  z-index: 2;
  height: calc(var(--ace-header-h) + var(--ace-sp-4));
  pointer-events: none;
  background: linear-gradient(to bottom, var(--ace-ink) 58%, rgba(7, 9, 15, 0));
}

.ace-header__nav {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: grid;
  align-content: safe center;
  gap: var(--ace-sp-5);
  padding:
    calc(var(--ace-header-h) + var(--ace-sp-4))
    var(--ace-gutter)
    calc(var(--ace-sp-5) + env(safe-area-inset-bottom, 0px));
  overflow-y: auto;
  overscroll-behavior: contain;
  background-color: var(--ace-ink);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--ace-dur-slow) var(--ace-ease-soft),
    visibility 0s linear var(--ace-dur-slow);
}

.ace-header__nav::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23g)' opacity='.05'/%3E%3C/svg%3E"),
    radial-gradient(78% 48% at 88% 4%, rgba(198, 161, 91, .16), transparent 66%),
    radial-gradient(86% 50% at 6% 98%, rgba(16, 49, 46, .85), transparent 70%);
  background-size: 180px 180px, cover, cover;
}

/* Same ghost mark as the hero, same corner, same weight. Its own layer so it
   can carry an opacity a background-image could not. */
.ace-header__nav::after {
  content: "";
  position: fixed;
  z-index: -1;
  left: var(--ace-gutter);
  bottom: var(--ace-gutter);
  width: clamp(11rem, 34vmin, 22rem);
  aspect-ratio: 91 / 54;
  opacity: .05;
  pointer-events: none;
  background: url("../assets/logo-mark.svg") no-repeat left bottom / contain;
}

.ace-header.is-open .ace-header__nav {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.ace-nav__groups {
  display: grid;
  gap: var(--ace-sp-5);
}

.ace-nav__label {
  margin-bottom: var(--ace-sp-3);
  font-size: var(--ace-fs-overline);
  font-weight: 500;
  letter-spacing: var(--ace-track-label);
  text-transform: uppercase;
  color: var(--ace-gold);
}

.ace-nav__list li { border-bottom: 1px solid var(--ace-line); }

.ace-nav__group:last-child .ace-nav__list li:last-child { border-bottom: 0; }

.ace-header__link {
  display: flex;
  align-items: baseline;
  gap: var(--ace-sp-4);
  padding-block: clamp(.85rem, .5rem + 1.6vw, 1.3rem);
  font-family: var(--ace-font-display);
  font-size: clamp(1.75rem, 1.35rem + 2vw, 2.6rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--ace-porcelain);
  opacity: 0;
  translate: 0 14px;
  transition:
    opacity var(--ace-dur-slow) var(--ace-ease-soft),
    translate var(--ace-dur-slow) var(--ace-ease-soft),
    color var(--ace-dur) var(--ace-ease-soft);
}

.ace-header__link[aria-current="true"] { color: var(--ace-gold-bright); }

.ace-header__link[aria-current="true"]::before {
  content: "";
  flex: none;
  align-self: center;
  width: 1.25rem;
  height: 1px;
  background-color: var(--ace-gold);
}

.ace-header__link:hover,
.ace-header__link:focus-visible { color: var(--ace-gold-bright); }

.ace-header.is-open .ace-header__link {
  opacity: 1;
  translate: none;
}

.ace-header.is-open .ace-nav__group:nth-child(1) .ace-header__link { transition-delay: 90ms; }
.ace-header.is-open .ace-nav__group:nth-child(2) .ace-header__link { transition-delay: 170ms; }
.ace-header.is-open .ace-nav__group:nth-child(3) .ace-header__link { transition-delay: 250ms; }

.ace-header__extras {
  display: grid;
  justify-items: start;
  padding-top: var(--ace-sp-4);
  border-top: 1px solid var(--ace-line);
  opacity: 0;
  translate: 0 14px;
  transition:
    opacity var(--ace-dur-slow) var(--ace-ease-soft),
    translate var(--ace-dur-slow) var(--ace-ease-soft);
}

.ace-header.is-open .ace-header__extras { opacity: 1; translate: none; transition-delay: 330ms; }

.ace-header__extras .ace-overline { margin-bottom: var(--ace-sp-2); }

.ace-header__contact {
  padding-block: .62rem;
  color: var(--ace-porcelain);
  transition: color var(--ace-dur) var(--ace-ease-soft);
}

.ace-header__contact:hover,
.ace-header__contact:focus-visible { color: var(--ace-gold-bright); }

.ace-header__legal {
  margin-top: var(--ace-sp-3);
  padding-block: .6rem;
  font-size: var(--ace-fs-sm);
  color: var(--ace-faint);
  transition: color var(--ace-dur) var(--ace-ease-soft);
}

.ace-header__legal:hover,
.ace-header__legal:focus-visible { color: var(--ace-porcelain); }

.ace-nav__offer { display: none; }

/* Three columns once they fit; the rules would over-structure them. */
@media (min-width: 900px) {
  .ace-nav__groups,
  .ace-nav__offer,
  .ace-header__extras {
    width: 100%;
    max-width: 56rem;
    margin-inline: auto;
  }

  .ace-nav__groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--ace-sp-6);
  }

  .ace-nav__list li { border-bottom: 0; }

  .ace-header__link {
    padding-block: .5rem;
    font-size: clamp(1.9rem, 1.1rem + 1.9vw, 2.75rem);
  }

  .ace-nav__offer {
    display: block;
    padding-top: var(--ace-sp-5);
    border-top: 1px solid var(--ace-line);
  }

  .ace-nav__offer-line {
    margin-block: var(--ace-sp-2) var(--ace-sp-4);
    font-family: var(--ace-font-display);
    font-size: 1.5rem;
    color: var(--ace-porcelain);
  }
}

@media (max-width: 899.98px) and (max-height: 700px) {
  .ace-header__link {
    padding-block: .62rem;
    font-size: 1.4rem;
  }
}

.ace-no-scroll { overflow: hidden; }

/* --- Section scaffolding -------------------------------------------------- */

.ace-section__head {
  max-width: 44rem;
  margin-bottom: var(--ace-sp-7);
}

.ace-section__head > * + * { margin-top: var(--ace-sp-4); }

.ace-section__title { letter-spacing: -.028em; }

.ace-section__intro,
.ace-hero__lead {
  max-width: 46ch;
  text-wrap: balance;
  margin-top: var(--ace-sp-5);
  font-size: var(--ace-fs-lead);
  line-height: 1.55;
  color: var(--ace-muted);
}

/* --- Grids ---------------------------------------------------------------- */

.ace-needs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--ace-sp-4);
}

.ace-needs__card { flex: 0 1 calc((100% - var(--ace-sp-4)) / 2); }

@media (min-width: 700px) {
  .ace-needs { gap: var(--ace-sp-5); }
  .ace-needs__card { flex-basis: calc((100% - var(--ace-sp-5) * 2) / 3); }
}

@media (min-width: 1100px) {
  .ace-needs__card { flex-basis: calc((100% - var(--ace-sp-5) * 3) / 4); }
}

.ace-needs__note {
  max-width: 62ch;
  margin: var(--ace-sp-6) auto 0;
  font-size: var(--ace-fs-sm);
  line-height: 1.6;
  text-align: center;
  color: var(--ace-faint);
}

.ace-method__pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ace-sp-6);
}

@media (max-width: 767.98px) {
  .ace-method__pillars { gap: var(--ace-sp-5); }
}

@media (min-width: 860px) {
  .ace-method__pillars {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--ace-sp-7);
  }
}

.ace-about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ace-sp-6);
}

@media (min-width: 900px) {
  .ace-about__grid {
    grid-template-columns: minmax(0, 20rem) minmax(0, 1fr);
    gap: var(--ace-sp-7);
    align-items: start;
  }

  .ace-about__media {
    position: sticky;
    top: calc(var(--ace-header-h) + var(--ace-sp-5));
  }
}

@media (min-width: 1200px) {
  .ace-about__grid { grid-template-columns: minmax(0, 23rem) minmax(0, 1fr); }
}

.ace-formats__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ace-sp-4);
}

@media (min-width: 700px) {
  .ace-formats__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--ace-sp-5);
  }
}

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

/* Carries no id, so the global [id] anchor offset misses it and the stepper's
   last press would park it under the header. */
.ace-footer {
  scroll-margin-top: calc(var(--ace-header-h) + var(--ace-sp-5));
  padding-block: 0 var(--ace-sp-5);
  background-color: var(--ace-ink);
  font-size: var(--ace-fs-sm);
  color: var(--ace-muted);
}

/* Rule carried by the inner block, not the footer: it then matches the credit
   line's rule exactly instead of running the full viewport width. */
.ace-footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ace-sp-6);
  padding-top: var(--ace-sp-7);
  border-top: 1px solid var(--ace-line);
}

@media (min-width: 680px) {
  .ace-footer__top { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ace-footer__brand { grid-column: 1 / -1; }
}

@media (min-width: 1000px) {
  .ace-footer__top { grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); }

  .ace-footer__brand { grid-column: auto; }
}

.ace-footer__tagline {
  margin-top: var(--ace-sp-4);
  max-width: 22ch;
  font-family: var(--ace-font-display);
  font-style: italic;
  font-weight: 400;
  font-size: var(--ace-fs-body);
  line-height: 1.4;
  color: var(--ace-faint);
}

.ace-footer__heading {
  margin-bottom: var(--ace-sp-4);
  color: var(--ace-faint);
}

.ace-footer__list {
  display: grid;
  gap: .45rem;
}

.ace-footer__list a {
  display: inline-block;
  padding-block: .45rem;
  color: var(--ace-muted);
  transition: color var(--ace-dur) var(--ace-ease);
}

.ace-footer__list a:hover,
.ace-footer__list a:focus-visible { color: var(--ace-gold-bright); }

.ace-footer__address {
  margin-bottom: var(--ace-sp-4);
  line-height: 1.7;
  color: var(--ace-faint);
}

.ace-footer__bottom {
  margin-top: var(--ace-sp-7);
  padding-top: var(--ace-sp-5);
  border-top: 1px solid var(--ace-line);
  font-size: var(--ace-fs-overline);
  letter-spacing: .06em;
  color: var(--ace-faint);
}

@media (min-width: 620px) {
  .ace-footer__bottom { text-align: center; }
}