/* ---------- Hero + departures board ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  color: var(--mist);
  isolation: isolate;
  overflow: hidden;
}
.hero-media { position: absolute; inset: 0; z-index: -1; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; }
@media (max-aspect-ratio: 4/3) {
  .hero-media::after {
    background: linear-gradient(to top, rgba(12, 15, 18, .94) 0%, rgba(12, 15, 18, .68) 55%, rgba(12, 15, 18, .15) 85%);
  }
}
@media (min-aspect-ratio: 4/3) {
  /* move the aircraft (image centre) up and away from the headline */
  .hero-media img { transform: scale(1.32); transform-origin: 0% 100%; }
  html[dir="rtl"] .hero-media img { transform-origin: 100% 100%; }
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(12, 15, 18, .9) 0%, rgba(12, 15, 18, .35) 38%, rgba(12, 15, 18, 0) 62%),
    linear-gradient(var(--scrim-dir, 90deg), rgba(12, 15, 18, .62) 0%, rgba(12, 15, 18, .12) 58%, rgba(12, 15, 18, 0) 100%);
}
.hero-content {
  align-self: end;
  padding-block: calc(var(--header-h) + 48px) clamp(40px, 6vw, 72px);
  display: grid;
  gap: 28px;
}
.hero-title { font-size: var(--fs-display); line-height: .94; max-width: 12ch; }
html[lang="fa"] .hero-title { line-height: 1.2; max-width: none; }
.hero-title .line { display: block; overflow: hidden; padding-block-end: .04em; }
.hero-title .line > span { display: inline-block; }
.hero .lede { color: #DCE0E1; max-width: 40ch; }

.board { background: var(--hangar); border-block-start: 1px solid rgba(237, 239, 238, .14); }
.board-list { list-style: none; display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1fr) minmax(0, .8fr) minmax(0, 1.3fr) minmax(0, 1.2fr); }
.board-list li + li { border-inline-start: 1px solid rgba(237, 239, 238, .14); }
.board-list a {
  display: grid;
  gap: 6px;
  padding: clamp(18px, 2.2vw, 30px) clamp(12px, 1.6vw, 24px);
  min-height: 100%;
  text-decoration: none;
  color: var(--mist);
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.board-verb {
  font-weight: 800;
  font-stretch: var(--wide);
  font-size: clamp(1.25rem, 2.35vw, 2.5rem);
  line-height: 1;
  white-space: nowrap;
  letter-spacing: -0.01em;
}
.board-hint { font-size: var(--fs-xs); color: var(--chrome); transition: color var(--t-fast); }
.board-list a:hover, .board-list a:focus-visible { background: var(--brass); color: var(--ink); outline-offset: -3px; }
.board-list a:hover .board-hint, .board-list a:focus-visible .board-hint { color: var(--ink); }
.board-list li:first-child a { padding-inline-start: 0; }
.board-list li:first-child a:hover, .board-list li:first-child a:focus-visible { padding-inline-start: clamp(12px, 1.6vw, 24px); }
@media (max-width: 760px) {
  .board-list { grid-template-columns: 1fr 1fr; padding-inline: 0; }
  .board-list li { border-block-start: 1px solid rgba(237, 239, 238, .14); }
  .board-list li:nth-child(odd) { border-inline-start: 0; }
  .board-list li:last-child { grid-column: 1 / -1; }
  .board-list li:first-child a, .board-list a { padding-inline: var(--gutter); }
}

/* ---------- Journey (pinned, canvas) ---------- */
.journey { position: relative; background: var(--hangar); color: var(--mist); }
.journey-pin { position: relative; min-height: 100svh; display: grid; overflow: hidden; }
.journey-stage { position: absolute; inset: 0; }
.journey-stage canvas, .journey-stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.journey-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--scrim-dir, 90deg), rgba(15, 19, 23, .9) 0%, rgba(15, 19, 23, .62) 42%, rgba(15, 19, 23, .2) 75%),
    linear-gradient(to top, rgba(15, 19, 23, .92) 0%, rgba(15, 19, 23, 0) 45%);
}
.journey-inner {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 48px;
  padding-block: calc(var(--header-h) + 56px) clamp(40px, 6vw, 80px);
}
.journey-copy { display: grid; gap: 24px; align-content: center; max-width: 36rem; }
.journey-copy .lede { color: #D3D8DA; }

.journey-stage img { transition: opacity var(--t-reveal) var(--ease); }
.journey-stage.canvas-ready img { opacity: 0; }
.route { position: relative; padding-block-start: 36px; }
.route-steps { list-style: none; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.route-track, .route-fill { position: absolute; inset-block-start: 7px; inset-inline: 0; height: 2px; }
.route-track { background: rgba(237, 239, 238, .22); }
.route-fill { background: var(--brass); transform-origin: var(--origin-start, left); transform: scaleX(var(--route, 1)); }
.waypoint { position: relative; display: grid; gap: 6px; align-content: start; opacity: var(--wp-o, 1); transition: opacity var(--t-state) var(--ease); }
.waypoint::before {
  content: "";
  position: absolute;
  inset-block-start: -36px;
  inset-inline-start: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--hangar);
  border: 2px solid var(--chrome);
  transition: background-color var(--t-state), border-color var(--t-state);
}
.waypoint.is-active::before { background: var(--brass); border-color: var(--brass); }
.waypoint h3 { font-size: clamp(1.125rem, 1.7vw, 1.625rem); font-stretch: var(--wide); }
.waypoint p { font-size: var(--fs-xs); color: var(--chrome); max-width: 22ch; }
.js-motion .waypoint:not(.is-active) { --wp-o: .5; }
@media (max-width: 900px) {
  .route { padding-block-start: 0; padding-inline-start: 36px; }
  .route-steps { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .route-track, .route-fill { inset-block: 4px; inset-inline-start: 7px; inset-inline-end: auto; width: 2px; height: auto; }
  .route-fill { transform-origin: top; transform: scaleY(var(--route, 1)); }
  .waypoint::before { inset-block-start: 4px; inset-inline-start: -36px; }
}
@media (max-width: 520px) { .route-steps { grid-template-columns: 1fr; } }
.gateway-verb a { text-decoration: none; }

/* ---------- Gateways ---------- */
.gateways { display: flex; gap: 8px; height: clamp(560px, 78vh, 820px); }
.gateway {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  color: var(--mist);
  background: var(--hangar);
  transition: flex-grow 520ms var(--ease);
  isolation: isolate;
}
.gateway.is-open { flex-grow: 2.6; }
.gateway { --focus: var(--brass); }
.gateway .btn--primary { background: var(--brass); color: var(--ink); }
.gateway .btn--primary:hover { background: #E2AE55; }
.gateway .photo { position: absolute; inset: 0; z-index: -1; background: var(--hangar); }
.gateway .photo img { transition: transform 900ms var(--ease); transform: scale(1.06); }
.gateway.is-open .photo img { transform: scale(1); }
.gateway .photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12, 15, 18, .94) 0%, rgba(12, 15, 18, .6) 45%, rgba(12, 15, 18, .15) 100%);
}
.gateway-body { position: absolute; inset: auto 0 0 0; padding: clamp(18px, 2vw, 32px); display: grid; gap: 14px; }
.gateway-verb {
  font-size: clamp(2.25rem, 3.8vw, 3.75rem);
  font-stretch: var(--wide);
  font-weight: 800;
  line-height: 1;
  width: max-content;
  transform-origin: var(--origin-start, left) bottom;
  transform: scale(.46);
  margin-block-start: -0.5em;
  transition: transform 520ms var(--ease), margin 520ms var(--ease);
}
.gateway.is-open .gateway-verb { transform: none; margin-block-start: 0; }
.gateway-sum { font-size: var(--fs-s); color: #D3D8DA; }
.gateway-more { display: grid; gap: 18px; max-height: 0; opacity: 0; visibility: hidden; transition: opacity var(--t-state) var(--ease), max-height 520ms var(--ease), visibility 0s linear 520ms; }
.gateway.is-open .gateway-more { max-height: 320px; opacity: 1; visibility: visible; transition: opacity 400ms var(--ease) 160ms, max-height 520ms var(--ease), visibility 0s; }
.gateway-list { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: var(--fs-s); }
.gateway-list li { white-space: nowrap; }
.gateway-more .btn { justify-self: start; }
.gateway-sum { max-width: 30ch; }
.gateway:not(.is-open) .gateway-sum { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

@media (max-width: 960px), (hover: none) {
  .gateways { flex-direction: column; height: auto; gap: 10px; }
  .gateway { min-height: 340px; flex: none; }
  .gateway-verb { font-size: 2.25rem; }
  .gateway-verb { transform: none; margin-block-start: 0; }
  .gateway .photo img { transform: none; }
  .gateway-more { max-height: none; opacity: 1; visibility: visible; }
  .gateway:not(.is-open) .gateway-sum { white-space: normal; }
}

/* ---------- Fleet ---------- */
.fleet { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); }
.plane { grid-column: span 6; display: grid; gap: 22px; align-content: start; }
.plane--lead { grid-column: 1 / -1; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: var(--gap); align-items: end; }
.plane .photo { aspect-ratio: 16 / 10; }
.plane--lead .photo { aspect-ratio: 16 / 9; }
.plane-body { display: grid; gap: 16px; align-content: start; }
.plane-name { font-size: clamp(2.125rem, 4.2vw, 4rem); font-weight: 800; font-stretch: var(--wide); line-height: .95; }
.plane--lead .plane-name { font-size: clamp(2.5rem, 5.4vw, 5.25rem); }
.plane-role { font-size: var(--fs-l); color: var(--fg-2); }
.plane .metrics { color: var(--fg); border-block-start: 1px solid var(--rule); padding-block-start: 18px; }
.plane .metric b { font-size: clamp(1.625rem, 2.6vw, 2.5rem); }
.plane .metric span { color: var(--fg-2); opacity: 1; }
@media (max-width: 900px) {
  .plane, .plane--lead { grid-column: 1 / -1; grid-template-columns: 1fr; }
}

/* ---------- Technical ---------- */
.detail-strip { display: grid; grid-template-columns: 5fr 3fr 4fr; gap: 12px; margin-block: clamp(40px, 6vw, 72px); }
.detail-strip .photo { aspect-ratio: auto; height: clamp(200px, 26vw, 380px); }
@media (max-width: 700px) { .detail-strip { grid-template-columns: 1fr 1fr; } .detail-strip .photo:first-child { grid-column: 1 / -1; } }

/* ---------- Parts search ---------- */
.parts-search { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) auto; gap: 12px; align-items: end; background: var(--bg-2); padding: clamp(20px, 3vw, 36px); }
.parts-search .btn { min-height: 52px; }
@media (max-width: 760px) { .parts-search { grid-template-columns: 1fr; } }

/* ---------- Beyond aircraft ---------- */
.beyond { position: relative; color: var(--mist); isolation: isolate; min-height: 100svh; display: grid; align-items: end; }
.beyond > .photo { position: absolute; inset: 0; z-index: -1; }
.beyond > .photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12, 15, 18, .94) 0%, rgba(12, 15, 18, .7) 38%, rgba(12, 15, 18, .1) 72%);
}
.beyond .wrap { padding-block: calc(var(--section) * 1.4) var(--section); display: grid; gap: clamp(32px, 5vw, 64px); }
.beyond h2 { max-width: 16ch; }
.beyond .lede { color: #D3D8DA; }
.beyond-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--gap); align-items: end; }
.beyond .ruled-list { --rule: rgba(237, 239, 238, .24); }
.beyond .ruled-list p { color: #C9CFD2; }
.balloon-card { background: var(--hangar); padding: clamp(22px, 3vw, 36px); display: grid; gap: 14px; border-block-start: 3px solid var(--brass); }
.balloon-card h3 { font-size: var(--fs-2xl); }
.balloon-card p { color: var(--chrome); }
@media (max-width: 900px) { .beyond-grid { grid-template-columns: 1fr; } }

/* ---------- About teaser ---------- */
.heritage { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--gap); align-items: start; }
.heritage-copy { display: grid; gap: 28px; }
.founder { display: grid; gap: 2px; align-content: start; align-self: end; border-block-start: 1px solid var(--rule); padding-block-start: 16px; }
.founder b { font-size: var(--fs-l); font-stretch: 112%; }
.founder span { color: var(--fg-2); font-size: var(--fs-s); }
.heritage-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gap); }
@media (max-width: 900px) { .heritage { grid-template-columns: 1fr; } .heritage .portrait-placeholder { max-width: 360px; } }
@media (max-width: 520px) { .heritage-stats { grid-template-columns: 1fr; } }

/* ---------- Final CTA ---------- */
.final-cta h2 { max-width: 14ch; margin-block-end: clamp(40px, 6vw, 72px); }

/* ---------- Mobile (homepage) ---------- */
@media (max-width: 760px) {
  .hero { min-height: 100svh; }
  .hero-content { gap: 20px; padding-block: calc(var(--header-h) + 32px) 28px; }
  .hero-title { font-size: clamp(2.5rem, 11.5vw, 3.5rem); }
  .board-verb { font-size: 1.375rem; }
  .board-list a { padding-block: 16px; }
  .journey-inner { padding-block: 88px 48px; gap: 32px; }
  .plane .metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .plane .metric b { font-size: 1.5rem; }
  .beyond { min-height: auto; }
  .beyond .wrap { padding-block: 120px 64px; }
  .detail-strip { margin-block: 32px; }
  .heritage .portrait-placeholder { aspect-ratio: 16 / 10; max-width: none; }
  .parts-search { padding: 18px; }
}