/* ==========================================================================
   Header · Hero · Altitude · Last metre
   ========================================================================== */

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-sticky);
  color: var(--ink);
  transition:
    background-color 300ms var(--ease-out),
    color 300ms var(--ease-out),
    box-shadow 300ms var(--ease-out),
    transform 400ms var(--ease-out);
}
.site-header.is-scrolled {
  background: color-mix(in oklch, var(--paper) 94%, transparent);
  box-shadow: 0 1px 0 var(--line);
}
.site-header.is-dark {
  color: var(--on-orbit);
}
.site-header.is-dark.is-scrolled {
  background: color-mix(in oklch, var(--orbit) 94%, transparent);
  box-shadow: 0 1px 0 var(--orbit-line);
}
.site-header.is-hidden {
  transform: translateY(-100%);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  text-decoration: none;
  margin-inline-end: auto;
}
.brand img {
  width: auto;
  height: 38px;
}
.brand__word {
  font-weight: 800;
  font-stretch: 125%;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}
.brand__word span {
  color: var(--quell-deep);
  margin-left: 0.28em;
}
.is-dark .brand__word span {
  color: var(--quell);
}

.site-nav ul {
  display: flex;
  gap: clamp(1rem, 0.2rem + 1.6vw, 2.2rem);
  list-style: none;
}
.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  opacity: 0.78;
  transition: opacity 200ms var(--ease-out);
}
.site-nav a:hover,
.site-nav a[aria-current="true"] {
  opacity: 1;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

/* Language switch: a quiet text pill, the same height as its neighbours */
.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding-inline: var(--s-3);
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px color-mix(in oklch, currentColor 24%, transparent);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition:
    background-color 200ms var(--ease-out),
    box-shadow 200ms var(--ease-out);
}
.lang-switch:lang(ar) {
  font-size: 0.9375rem;
}
.lang-switch:hover {
  background: color-mix(in oklch, currentColor 8%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in oklch, currentColor 45%, transparent);
}
.lang-switch:focus-visible {
  outline-offset: 2px;
}
.is-dark .lang-switch:focus-visible {
  outline-color: var(--quell);
}

.header-wa {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  min-height: 44px;
  padding-inline: var(--s-2);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
}
.header-wa svg {
  width: 18px;
  height: 18px;
}

.manifest-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  min-height: 44px;
  padding-inline: var(--s-4) var(--s-2);
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
  font-size: var(--text-sm);
  font-stretch: 110%;
  transition: transform 200ms var(--ease-out);
}
.is-dark .manifest-btn {
  background: var(--on-orbit);
  color: var(--ink);
}
.manifest-btn svg {
  width: 18px;
  height: 18px;
}
.manifest-btn__count {
  display: grid;
  place-items: center;
  min-width: 30px;
  height: 30px;
  padding-inline: 6px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}
.manifest-btn.is-bumped {
  animation: bump 520ms var(--ease-out);
}
@keyframes bump {
  30% {
    transform: scale(1.08);
  }
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1.5px currentColor;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 13px;
  right: 13px;
  height: 1.5px;
  background: currentColor;
  transition: transform 300ms var(--ease-out);
}
.nav-toggle span:first-child {
  top: 18px;
}
.nav-toggle span:last-child {
  top: 25px;
}
.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Six links, the language switch and the cart share the bar just above the menu breakpoint */
@media (min-width: 1081px) and (max-width: 1240px) {
  .site-header__inner {
    gap: var(--s-4);
  }
  .site-nav ul {
    gap: var(--s-4);
  }
}

@media (max-width: 1080px) {
  .nav-toggle {
    display: inline-block;
  }
  .header-wa {
    display: none;
  }
  .site-nav {
    position: fixed;
    inset: 72px 0 auto;
    background: var(--paper);
    color: var(--ink);
    box-shadow: 0 1px 0 var(--line);
    padding: var(--s-4) var(--gutter) var(--s-6);
    clip-path: inset(0 0 100% 0);
    visibility: hidden;
    transition:
      clip-path 420ms var(--ease-out),
      visibility 0s 420ms;
  }
  .site-nav.is-open {
    clip-path: inset(0 0 0 0);
    visibility: visible;
    transition: clip-path 420ms var(--ease-out);
  }
  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }
  .site-nav a {
    font-size: var(--text-xl);
    font-stretch: 118%;
    font-weight: 800;
    opacity: 1;
    min-height: 56px;
    width: 100%;
    border-bottom: 1px solid var(--line);
  }
}
@media (max-width: 560px) {
  .site-header__inner {
    gap: var(--s-3);
  }
  .site-header__actions {
    gap: var(--s-2);
  }
  /* If the actions still run short of room, the wordmark wraps out of sight under the logo */
  .brand {
    flex-wrap: wrap;
    min-width: 0;
    height: 38px;
    overflow: hidden;
  }
  .lang-switch {
    padding-inline: var(--s-2);
  }
  .manifest-btn > span:not(.manifest-btn__count) {
    display: none;
  }
  .manifest-btn {
    padding-inline-start: var(--s-3);
  }
}
@media (max-width: 420px) {
  .brand__word {
    display: none;
  }
}

/* ---------- Altitude (scroll descent from orbit to your glass) ---------- */

.altitude {
  position: fixed;
  z-index: var(--z-altitude);
  inset-inline-end: 18px;
  top: 50%;
  translate: 0 -50%;
  display: grid;
  justify-items: end;
  gap: var(--s-2);
  color: var(--ink-3);
  pointer-events: none;
  transition: color 300ms var(--ease-out);
}
.altitude.is-dark {
  color: var(--on-orbit-2);
}
.altitude .label {
  font-size: 0.625rem;
}
.altitude__track {
  position: relative;
  width: 1px;
  height: 34vh;
  margin-inline-end: 3px;
  background: currentColor;
  opacity: 0.6;
}
.altitude__marker {
  position: absolute;
  left: -4px;
  top: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateY(calc(var(--alt, 0) * 34vh - 4px));
}
.altitude__readout {
  color: var(--accent);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin-top: var(--s-2);
  min-height: 11ch;
}
@media (max-width: 1180px) {
  .altitude {
    display: none;
  }
}

/* ---------- 01 · The last metre ---------- */

.metre {
  background: var(--sand);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: var(--s-5) var(--s-7);
  align-items: end;
}
.section-head .label {
  grid-column: 1 / -1;
  color: var(--ink-2);
}
.section-head .body {
  padding-bottom: 0.4em;
}
@media (max-width: 860px) {
  .section-head {
    grid-template-columns: 1fr;
  }
}

/* The journey: transparent visuals, joined by short connectors in the gaps between them */
.route {
  --icon: clamp(128px, 11vw, 160px);
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--s-5);
  margin-top: var(--s-9);
  list-style: none;
}

.route__stop {
  --seg: 0;
  position: relative;
  display: grid;
  align-content: start;
  gap: var(--s-2);
}
/* Connector to the next stop: a dotted track that fills in as you scroll */
.route__stop:not(:last-child)::before,
.route__stop:not(:last-child)::after {
  content: "";
  position: absolute;
  top: calc(var(--icon) / 2);
  inset-inline-start: calc(var(--icon) + 14px);
  inset-inline-end: calc(14px - var(--s-5));
  height: 2px;
}
.route__stop:not(:last-child)::before {
  background: repeating-linear-gradient(to var(--end), var(--ink-3) 0 4px, transparent 4px 10px);
  opacity: 0.45;
}
.route__stop:not(:last-child)::after {
  background: var(--accent);
  transform-origin: var(--start);
  transform: scaleX(var(--seg));
}

.route__icon {
  position: relative;
  width: var(--icon);
  height: var(--icon);
  margin-bottom: var(--s-3);
  display: grid;
  place-items: center;
}
.route__icon svg {
  width: 55%;
  height: 55%;
  stroke: var(--ink);
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.route__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
/* Each visual settles into place as the connector reaches it */
.js .route__icon > * {
  opacity: 0.5;
  transform: translateY(8px) scale(0.96);
  transition:
    opacity 600ms var(--ease-out),
    transform 700ms var(--ease-out);
}
.js .route__stop.is-passed .route__icon > * {
  opacity: 1;
  transform: none;
}

.route__stop .label {
  color: var(--ink-3);
}
.route__stop h3 {
  font-size: 1.15rem;
  font-stretch: 112%;
  font-weight: 750;
}
.route__stop p {
  color: var(--ink-2);
  font-size: var(--text-sm);
  max-width: 24ch;
}
.route__temp {
  position: absolute;
  z-index: 1;
  top: 6px;
  inset-inline-start: calc(var(--icon) - 44px);
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  font-stretch: 100%;
  letter-spacing: 0;
  text-transform: none;
}
.route__stop--you .label {
  color: var(--accent);
}

.metre__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  margin-top: var(--s-8);
  padding-top: var(--s-5);
  border-top: 1px solid var(--sand-deep);
}
.metre__foot p {
  font-size: var(--text-lg);
  font-stretch: 108%;
  font-weight: 650;
  max-width: 40ch;
}

@media (max-width: 900px) {
  .route {
    --icon: 112px;
    grid-template-columns: 1fr;
    gap: var(--s-6);
  }
  .route__stop {
    grid-template-columns: var(--icon) 1fr;
    column-gap: var(--s-5);
    align-items: center;
  }
  .route__stop:not(:last-child)::before,
  .route__stop:not(:last-child)::after {
    top: calc(var(--icon) + 8px);
    bottom: calc(8px - var(--s-6));
    inset-inline-start: calc(var(--icon) / 2 - 1px);
    inset-inline-end: auto;
    width: 2px;
    height: auto;
  }
  .route__stop:not(:last-child)::before {
    background: repeating-linear-gradient(to bottom, var(--ink-3) 0 4px, transparent 4px 10px);
  }
  .route__stop:not(:last-child)::after {
    transform-origin: top;
    transform: scaleY(var(--seg));
  }
  .route__icon {
    grid-row: span 3;
    margin: 0;
  }
}

/* ---------- Benefits strip under the hero: line icons, no containers ---------- */
.perks {
  background: var(--orbit);
  color: var(--on-orbit);
  border-top: 1px solid var(--orbit-line);
}
.perks__list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
}
.perks__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  column-gap: var(--s-4);
  padding-block: var(--s-6);
  padding-inline: var(--s-5);
}
.perks__item + .perks__item {
  border-inline-start: 1px solid var(--orbit-line);
}
.perks__item:first-child {
  padding-inline-start: 0;
}
.perks__icon {
  width: 46px;
  height: 46px;
  fill: none;
  stroke: var(--quell);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 10px color-mix(in oklch, var(--quell) 45%, transparent));
}
.perks__title {
  font-size: var(--text-lg);
  font-weight: 800;
  font-stretch: 112%;
  line-height: 1.15;
}
.perks__text {
  margin-top: 2px;
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--on-orbit-2);
}
@media (max-width: 960px) {
  .perks__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .perks__item:nth-child(odd) {
    padding-inline-start: 0;
    border-inline-start: 0;
  }
  .perks__item:nth-child(n + 3) {
    border-top: 1px solid var(--orbit-line);
  }
}
@media (max-width: 560px) {
  .perks__item {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    row-gap: var(--s-3);
    padding-block: var(--s-5);
  }
  .perks__icon {
    width: 40px;
    height: 40px;
  }
  .perks__title {
    font-size: 1.125rem;
  }
}