/* ==========================================================================
   Layout — preloader, header, mobile menu, footer
   ========================================================================== */

/* Preloader
   ========================================================================== */

.preloader {
  display: none;
}

.js .preloader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  color: var(--color-white);
  background-color: var(--color-dark);
}

/* Failsafe: never leave the page covered if a script fails to run */
.js .preloader {
  animation: preloader-failsafe 0.6s 8s forwards;
}

.js.is-loading body,
html.menu-open body {
  overflow: hidden;
}

@keyframes preloader-failsafe {
  to {
    visibility: hidden;
    opacity: 0;
  }
}

.preloader__inner {
  display: grid;
  gap: 28px;
  justify-items: center;
}

.preloader__logo {
  width: clamp(140px, 12vw, 220px);
  height: auto;
}

.preloader__bar {
  width: clamp(160px, 14vw, 260px);
  height: 2px;
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
}

.preloader__bar-fill {
  display: block;
  width: 100%;
  height: 100%;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
}

/* Header
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: var(--header-z);
  transition: transform 0.6s var(--ease-out);
}

.site-header::before {
  position: absolute;
  inset: 0;
  content: "";
  background-color: rgba(18, 18, 18, 0.78);
  opacity: 0;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: opacity 0.4s;
}

.site-header.is-scrolled::before {
  opacity: 1;
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

/* Solid bar while the menu is open, so scrolled menu links pass beneath it */
.site-header.is-menu-open::before {
  background-color: var(--color-dark);
  opacity: 1;
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 32px;
  transition: padding 0.5s var(--ease-out);
}

.site-header.is-scrolled .site-header__inner {
  padding-block: 12px;
}

.site-header__logo {
  position: relative;
  z-index: 1;
}

.site-header__logo img {
  width: clamp(93px, 70.35px + 5.7629vw, 181px);
  height: auto;
}

.site-header__cta {
  display: none;
}

/* Primary navigation (sits inside the white notch cut into the hero) */
.site-nav {
  display: none;
}

.site-nav__notch {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  fill: var(--color-white);
  transform-origin: top;
  /* `scale` (not `transform`) so it never collides with the GSAP intro tween */
  transition: opacity 0.35s, scale 0.5s var(--ease-out);
}

.site-nav__list {
  position: relative;
  display: flex;
  gap: clamp(32px, 3.75vw, 72px);
  align-items: center;
  padding: 14px 36px;
  border-radius: 999px;
  transition: background-color 0.4s, box-shadow 0.4s;
}

.site-nav__list li {
  display: flex;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  font-size: clamp(17px, 1.04vw, 20px);
  line-height: 1;
  color: var(--color-muted);
  transition: color 0.3s;
}

/* Reserves the bold width so the active state doesn't shift the layout */
.site-nav__link::before {
  height: 0;
  overflow: hidden;
  font-weight: 500;
  visibility: hidden;
  content: attr(data-text);
}

.site-nav__link::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  content: "";
  background-color: var(--color-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.5s var(--ease-out);
}

.site-nav__link.is-active {
  font-weight: 500;
  color: var(--color-black);
}

@media (hover: hover) {
  .site-nav__link:hover {
    color: var(--color-black);
  }

  .site-nav__link:hover::after {
    transform: scaleX(1);
  }
}

/* Menu toggle (mobile / tablet) */
.menu-toggle {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-white);
  border-radius: 75px;
  transition: scale 0.4s var(--ease-out);
}

.menu-toggle:active {
  scale: 0.92;
}

.menu-toggle__icon {
  width: 22px;
  height: 22px;
  transition: opacity 0.3s, transform 0.5s var(--ease-out);
}

.menu-toggle__close {
  position: absolute;
  width: 18px;
  height: 18px;
  opacity: 0;
  transform: rotate(-90deg);
  transition: opacity 0.3s, transform 0.5s var(--ease-out);
}

.menu-toggle__close::before,
.menu-toggle__close::after {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1.5px;
  content: "";
  background-color: var(--color-dark);
  border-radius: 2px;
}

.menu-toggle__close::before {
  transform: rotate(45deg);
}

.menu-toggle__close::after {
  transform: rotate(-45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon {
  opacity: 0;
  transform: rotate(90deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__close {
  opacity: 1;
  transform: none;
}

@media (min-width: 1200px) {
  .site-header__inner {
    padding-block: 22px;
  }

  .site-header__cta {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 0;
    left: 50%;
    display: grid;
    place-items: center;
    width: clamp(640px, 49.66vw, 953px);
    aspect-ratio: 953.474 / 93;
    transform: translateX(-50%);
  }

  .site-header.is-scrolled .site-nav {
    height: 100%;
    aspect-ratio: auto;
  }

  .site-header.is-scrolled .site-nav__notch {
    opacity: 0;
    scale: 1 0;
  }

  .site-header.is-scrolled .site-nav__list {
    background-color: var(--color-white);
    box-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.4);
  }

  .menu-toggle {
    display: none;
  }
}

/* Mobile menu
   ========================================================================== */

.mobile-menu {
  --origin: calc(100% - var(--gutter) - 24px) 56px;

  position: fixed;
  inset: 0;
  z-index: calc(var(--header-z) - 1);
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 6vh, 48px);
  padding: 120px var(--gutter) 48px;
  overflow-y: auto;
  overscroll-behavior: contain;
  visibility: hidden;
  background-color: var(--color-dark);
  clip-path: circle(0% at var(--origin));
  transition: clip-path 0.8s var(--ease-in-out), visibility 0s 0.8s;
}

.mobile-menu.is-open {
  visibility: visible;
  clip-path: circle(150% at var(--origin));
  transition: clip-path 0.8s var(--ease-in-out);
}

/* Auto margins center the content when it fits and let it scroll when it doesn't */
.mobile-menu__nav {
  margin-top: auto;
}

.mobile-menu__cta {
  margin-bottom: auto;
}

.mobile-menu__list {
  display: grid;
  gap: 8px;
}

.mobile-menu__list li,
.mobile-menu__cta {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.3s, transform 0.3s;
}

.mobile-menu.is-open .mobile-menu__list li,
.mobile-menu.is-open .mobile-menu__cta {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s var(--ease-out), transform 0.8s var(--ease-out);
}

.mobile-menu.is-open .mobile-menu__list li:nth-child(1) { transition-delay: 0.25s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(2) { transition-delay: 0.32s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(3) { transition-delay: 0.39s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(4) { transition-delay: 0.46s; }
.mobile-menu.is-open .mobile-menu__cta { transition-delay: 0.55s; }

.mobile-menu__link {
  display: inline-flex;
  gap: 16px;
  align-items: baseline;
  font-size: clamp(32px, min(10vw, 9vh), 64px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--color-white);
  transition: color 0.3s;
}

.mobile-menu__link span {
  font-size: 14px;
  letter-spacing: 0;
  color: var(--color-accent);
}

.mobile-menu__link:hover,
.mobile-menu__link:focus-visible {
  color: var(--color-accent);
}

.mobile-menu__cta {
  width: 100%;
  max-width: 420px;
}

.mobile-menu__cta .btn-cta__label {
  width: 72.83%;
}

@media (min-width: 1200px) {
  .mobile-menu {
    display: none;
  }
}

/* Footer
   ========================================================================== */

.site-footer {
  padding: 0 8px 19px;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 28px;
  color: var(--color-white);
  text-align: center;
  background-color: var(--color-black);
  border-radius: clamp(16px, 7.76px + 2.0956vw, 48px);
}

.site-footer__top {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.site-footer__about {
  display: contents;
}

.site-footer__logo {
  order: 1;
}

.site-footer__logo img {
  width: clamp(139px, 107.34px + 8.055vw, 262px);
  height: auto;
}

.site-footer__desc {
  order: 2;
  max-width: 261px;
  margin-top: 22px;
  font-size: clamp(11px, 9.2px + 0.4584vw, 18px);
  line-height: 1.25;
  color: var(--color-muted-inverse);
}

.site-footer__nav {
  order: 3;
  margin-top: 34px;
}

.site-footer .social {
  order: 4;
  margin-top: 44px;
}

.site-footer__nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  justify-content: center;
}

.site-footer__nav a {
  position: relative;
  color: var(--color-muted-inverse);
  transition: color 0.3s;
}

.site-footer__nav a {
  font-size: clamp(14px, 11.94px + 0.5239vw, 22px);
}

.site-footer__nav a.is-active {
  font-weight: 500;
  color: var(--color-white);
}

.site-footer__nav a:hover {
  color: var(--color-white);
}

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 34px;
}

.site-footer__copy {
  margin-top: 64px;
  font-size: clamp(14px, 12.46px + 0.3929vw, 20px);
}

@media (min-width: 1024px) {
  .site-footer {
    padding: 0 16px 16px;
  }

  .site-footer__inner {
    align-items: stretch;
    justify-content: space-between;
    min-height: clamp(420px, 28.33vw, 544px);
    padding: clamp(48px, 3.75vw, 72px) clamp(48px, 5.36vw, 103px) clamp(40px, 3.47vw, 66px) clamp(48px, 5.2vw, 100px);
    text-align: left;
  }

  .site-footer__top,
  .site-footer__bottom {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: start;
    width: 100%;
    max-width: 1688px;
    margin-inline: auto;
  }

  .site-footer__about {
    display: block;
    grid-column: 3;
    justify-self: end;
    width: clamp(240px, 20.94vw, 402px);
  }

  .site-footer__logo,
  .site-footer__nav {
    order: 0;
  }

  .site-footer__logo {
    justify-self: start;
  }

  .site-footer__nav {
    margin-top: clamp(20px, 1.7vw, 32.5px);
  }

  .site-footer__nav ul {
    flex-wrap: nowrap;
    gap: clamp(28px, 3.39vw, 65px);
  }

  .site-footer__desc {
    max-width: none;
    margin-top: 9px;
  }

  .site-footer .social {
    margin-top: clamp(28px, 2.35vw, 45px);
  }

  .site-footer__bottom {
    margin-top: 48px;
  }

  .site-footer__copy {
    grid-column: 3;
    justify-self: end;
    min-width: clamp(240px, 20.94vw, 402px);
    margin-top: 0;
    white-space: nowrap;
  }
}