/* ==========================================================================
   Domain · Air — hero, statement, patrol loop, demo, use cases, disciplines,
   people in command, across domains, call to action.
   Scoped under .page-air. Imagery overlays are placed in image coordinates
   (see .air-img__frame) so they stay on target at every crop.
   ========================================================================== */

/* ------------------------------------------------------ Image frames
   A frame with the image's own aspect ratio, sized to cover its container
   (like object-fit: cover), so pins placed with --x / --y (0–1 of the image)
   land on the same pixel at any size. --fx / --fy choose the crop,
   --zoom enlarges it. Needs a size container parent (.air-img, hero media).
   ------------------------------------------------------------------------ */
.page-air .air-img { position: absolute; inset: 0; container-type: size; overflow: hidden; }
.page-air .air-img__frame {
  --r: 1.768;
  --fw: calc(max(100cqw, 100cqh * var(--r)) * var(--zoom, 1));
  --fh: calc(var(--fw) / var(--r));
  position: absolute;
  width: var(--fw);
  height: var(--fh);
  left: calc((100cqw - var(--fw)) * var(--fx, 0.5));
  top: calc((100cqh - var(--fh)) * var(--fy, 0.5));
}
.page-air .air-img__frame > img { position: absolute; inset: 0; width: 100%; height: 100%; }
.page-air .air-img__svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.page-air .air-pin { position: absolute; left: calc(var(--x) * 100%); top: calc(var(--y) * 100%); }

/* ================================================================= Hero
   Night in both themes. Copy on top; below it a black frame (.hero-media)
   that opens on the aircraft over the line and, as it rises into view,
   dives into the camera it carries: the air film with the instrument layer.
   JS sets --hs (the frame's scale, scroll-linked) and toggles .is-camera
   once the frame is well in view: a one-shot dive (zoom into the turret,
   cut to the film), reversed if the reader scrolls back up.
   ------------------------------------------------------------------------ */
.air-hero {
  padding: calc(var(--header-h) + clamp(64px, 9vw, 136px)) 0 clamp(40px, 5vw, 72px);
}
.air-hero .bg-glow { top: -38%; opacity: 0.9; }
.air-hero .eyebrow { color: var(--ink-3); }
.air-hero__slash { display: inline-block; width: 16px; height: 1px; margin-inline: 2px; background: currentColor; opacity: 0.5; }
.air-hero__title { max-width: 16ch; }
.air-hero__row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px 48px;
  margin-top: 28px;
}
.air-hero__lead { max-width: 600px; margin-top: 0; }
.air-hero__actions { flex: none; margin-top: 0; }
@media (max-width: 1024px) {
  .air-hero__row { flex-direction: column; align-items: flex-start; }
  .air-hero__media { aspect-ratio: 16 / 9; }
}

/* The frame */
.air-hero__media {
  --hs: 1;
  margin-top: clamp(48px, 6vw, 88px);
  aspect-ratio: 16 / 7.2;
  scale: var(--hs);
  transform-origin: 50% 0;
  box-shadow: 0 0 0 1px rgb(255 255 255 / 0.08), 0 60px 120px -60px rgb(0 0 0 / 0.9);
}
.air-hero__still { z-index: 0; transition: opacity 700ms var(--ease-soft); }
.air-hero__media.is-camera .air-hero__still { opacity: 0; transition-delay: 650ms; }
.air-hero__frame {
  --fx: 0.5;
  --fy: 0.55;
  transform-origin: 43% 56%;
  transition: transform 900ms var(--ease-out);
}
.air-hero__media.is-camera .air-hero__frame { transform: scale(1.7); transition: transform 1.5s var(--ease-in-out); }
.air-hero__frame > img { object-fit: cover; }
.air-hero__film {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0;
  transform: scale(1.16);
  background: var(--night);
  transition: opacity 600ms var(--ease-soft), transform 900ms var(--ease-out);
}
.air-hero__media.is-camera .air-hero__film { opacity: 1; transform: none; transition: opacity 900ms var(--ease-soft) 650ms, transform 2.2s var(--ease-out) 650ms; }

/* Tracking bracket on the aircraft */
.air-track {
  --c: rgb(255 255 255 / 0.85);
  --l: 22px;
  position: absolute;
  left: calc(var(--x) * 100%);
  top: calc(var(--y) * 100%);
  width: calc(var(--w) * 100%);
  height: calc(var(--h) * 100%);
  background:
    linear-gradient(var(--c), var(--c)) left top / var(--l) 1.5px no-repeat,
    linear-gradient(var(--c), var(--c)) left top / 1.5px var(--l) no-repeat,
    linear-gradient(var(--c), var(--c)) right top / var(--l) 1.5px no-repeat,
    linear-gradient(var(--c), var(--c)) right top / 1.5px var(--l) no-repeat,
    linear-gradient(var(--c), var(--c)) left bottom / var(--l) 1.5px no-repeat,
    linear-gradient(var(--c), var(--c)) left bottom / 1.5px var(--l) no-repeat,
    linear-gradient(var(--c), var(--c)) right bottom / var(--l) 1.5px no-repeat,
    linear-gradient(var(--c), var(--c)) right bottom / 1.5px var(--l) no-repeat;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 900ms var(--ease-soft) 700ms, transform 1.4s var(--ease-out) 700ms;
}
.air-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  color: rgb(255 255 255 / 0.85);
  background: rgb(5 5 6 / 0.55);
  border: 1px solid rgb(255 255 255 / 0.2);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transform: translateY(calc(-100% - 10px));
  opacity: 0;
  transition: opacity 900ms var(--ease-soft) 1100ms;
}
.air-hero__tag b { font-weight: 600; color: #fff; }
.air-hero__tag i { width: 14px; height: 1px; background: rgb(255 255 255 / 0.4); }
.air-hero.is-ready .air-track { opacity: 1; transform: none; }
.air-hero.is-ready .air-hero__tag { opacity: 1; }
/* Arriving through the page cross-fade (theme-boot.js .vt-arrival): the fade is the
   entrance, so the bracket is already locked on (the camera dive still plays on scroll) */
.vt-arrival .air-hero :is(.air-track, .air-hero__tag) { transition: none; }

/* Instrument layer: two sets of readouts that trade places with the view */
.page-air .hud__read { text-transform: uppercase; }
.air-hero__hud { z-index: 2; }
.air-hero__read { display: grid; }
.air-hero__v { grid-area: 1 / 1; }
.air-hero__v { transition: opacity 500ms var(--ease-soft); }
.air-hero__v--c { opacity: 0; }
.air-hero__media.is-camera .air-hero__v--a { opacity: 0; }
.air-hero__media.is-camera .air-hero__v--c { opacity: 1; transition-delay: 1000ms; }
.air-hero__reticle { /* on the line: the pipe crosses the frame's centre line at 43% */
  position: absolute;
  left: 50%;
  top: 43%;
  width: 84px;
  height: 84px;
  margin: -42px 0 0 -42px;
  border: 1px solid rgb(255 255 255 / 0.6);
  border-radius: 50%;
  opacity: 0;
  transform: scale(1.6) rotate(45deg);
  transition: opacity 400ms var(--ease-soft), transform 400ms var(--ease-out);
}
.air-hero__media.is-camera .air-hero__reticle { opacity: 1; transform: none; transition: opacity 600ms var(--ease-soft) 1150ms, transform 1.1s var(--ease-out) 1150ms; }
.air-hero__reticle::before, .air-hero__reticle::after { content: ""; position: absolute; background: rgb(255 255 255 / 0.75); }
.air-hero__reticle::before { left: 50%; top: -14px; bottom: -14px; width: 1px; -webkit-mask: linear-gradient(#000 0 14px, transparent 14px calc(100% - 14px), #000 calc(100% - 14px)); mask: linear-gradient(#000 0 14px, transparent 14px calc(100% - 14px), #000 calc(100% - 14px)); }
.air-hero__reticle::after { top: 50%; left: -14px; right: -14px; height: 1px; -webkit-mask: linear-gradient(90deg, #000 0 14px, transparent 14px calc(100% - 14px), #000 calc(100% - 14px)); mask: linear-gradient(90deg, #000 0 14px, transparent 14px calc(100% - 14px), #000 calc(100% - 14px)); }

/* Kilometre tape along the bottom edge (camera view) */
.air-hero__tape {
  --km: 64px;
  position: absolute;
  left: 50%;
  bottom: 20px;
  width: min(44%, 460px);
  height: 34px;
  transform: translateX(-50%);
  overflow: hidden;
  opacity: 0;
  transition: opacity 400ms var(--ease-soft);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
}
.air-hero__strip {
  position: absolute;
  left: 50%;
  top: 0;
  height: 100%;
  animation: air-tape 150s linear infinite;
  animation-play-state: paused;
}
.air-hero__media.is-camera .air-hero__tape { opacity: 1; transition: opacity 800ms var(--ease-soft) 1300ms; }
.air-hero__media.is-playing .air-hero__strip { animation-play-state: running; }
@keyframes air-tape { to { transform: translateX(calc(var(--km) * -24)); } }
.air-hero__strip i { position: absolute; left: calc(var(--k) * var(--km)); bottom: 0; width: 1px; height: 7px; font-style: normal; background: rgb(255 255 255 / 0.5); }
.air-hero__strip i.is-major { height: 12px; background: #fff; }
.air-hero__strip b { position: absolute; bottom: 16px; left: 0; transform: translateX(-50%); font-size: 9.5px; font-weight: 500; letter-spacing: 0.1em; white-space: nowrap; color: rgb(255 255 255 / 0.85); }
.air-hero__index { position: absolute; left: 50%; bottom: 0; width: 0; height: 0; margin-left: -5px; border: 5px solid transparent; border-bottom: 7px solid var(--crimson-300); border-top: 0; }

/* Pause control for the film (bottom right, inside the corner bracket) */
.air-hero__pause {
  position: absolute;
  z-index: 3;
  right: 26px;
  bottom: 26px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: #fff;
  background: rgb(5 5 6 / 0.45);
  border: 1px solid rgb(255 255 255 / 0.22);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transition: background-color var(--t-fast), border-color var(--t-fast), transform var(--t-med) var(--ease-spring), opacity 400ms var(--ease-soft), visibility 0s linear 400ms;
}
/* The control belongs to the film: it appears with the camera view */
.air-hero__media.is-camera .air-hero__pause { opacity: 1; visibility: visible; transition: background-color var(--t-fast), border-color var(--t-fast), transform var(--t-med) var(--ease-spring), opacity 600ms var(--ease-soft) 1200ms, visibility 0s; }
@media (hover: hover) { .air-hero__pause:hover { background: rgb(255 255 255 / 0.16); border-color: rgb(255 255 255 / 0.4); } }
.air-hero__pause:active { transform: scale(0.94); }
.air-hero__pause:focus-visible { border-radius: 50%; }
.air-hero__pause vm-icon { grid-area: 1 / 1; display: inline-flex; }
.air-hero__pause vm-icon[name="play"], .air-hero__pause[aria-pressed="true"] vm-icon[name="pause"] { display: none; }
.air-hero__pause[aria-pressed="true"] vm-icon[name="play"] { display: inline-flex; }

/* Domain rail: the active domain carries a thin grey rule under its name,
   the same device as the header's active page. No crimson here. */
.air-rail { margin-top: clamp(28px, 4vw, 48px); }
.air-rail ol { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.air-rail li { padding: 16px 12px 0 0; }
.air-rail a {
  position: relative;
  display: inline-flex;
  flex-wrap: wrap;   /* enlarged text: the name drops under its number instead of printing over the next column */
  align-items: baseline;
  gap: 10px;
  padding-bottom: 8px;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink-3);
  transition: color var(--t-med) var(--ease-soft);
}
.air-rail a span { font-family: var(--font-mono); font-size: var(--fs-nano); font-weight: 500; letter-spacing: 0.1em; color: var(--ink-4); transition: color var(--t-med); }
.air-rail a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1.5px;
  border-radius: 1px;
  background: rgb(245 245 247 / 0.3);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 600ms var(--ease-out), background-color var(--t-med);
}
.air-rail a:hover { color: var(--ink); }
.air-rail a:hover span { color: var(--ink-3); }
.air-rail a:hover::after { transform: scaleX(1); }
.air-rail a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.air-rail a[aria-current="page"] span { color: var(--ink-2); }
.air-rail a[aria-current="page"]::after { transform: scaleX(1); background: rgb(245 245 247 / 0.55); }

@media (max-width: 900px) {
  .air-rail ol { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .air-rail li:nth-child(n + 4) { padding-top: 10px; }
}
@media (max-width: 700px) {
  .air-hero { padding-top: calc(var(--header-h) + 52px); }
  .air-hero__row { margin-top: 20px; gap: 26px; }
  .air-hero__lead { font-size: 1.08rem; }
  .air-hero__media { margin-top: 40px; aspect-ratio: 4 / 3.7; }
  .air-hero__frame { --fx: 0.52; }
  .air-hero__tag { font-size: 9px; padding: 4px 7px; gap: 6px; }
  .air-track { --l: 14px; }
  .air-hero__hud .hud__read { top: 20px; font-size: 9px; }
  .air-hero__hud .hud__read--tl { left: 24px; }
  .air-hero__hud .hud__read--tr { right: 24px; }
  .air-hero__reticle { width: 60px; height: 60px; margin: -30px 0 0 -30px; }
  .air-hero__tape { --km: 48px; width: 52%; bottom: 16px; }
  .air-hero__pause { right: 22px; bottom: 22px; width: 34px; height: 34px; }
  .air-rail a { font-size: var(--fs-micro); gap: 7px; }
}
@media (max-width: 359px) {   /* three columns are narrower than "05 Infrastructure" */
  .air-rail ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .air-rail li:nth-child(n + 3) { padding-top: 10px; }
}
@media (max-width: 420px) {
  .air-hero__actions { width: 100%; }
  .air-hero__actions .btn { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .air-hero__media { scale: 1; }
  .air-hero__strip { animation: none; }
}

/* In dark, paper and night are the same colour: keep the seams short */
:root[data-theme="dark"] .page-air .seam--night-paper,
:root[data-theme="dark"] .page-air .seam--paper-night { height: clamp(24px, 4vw, 64px); }

/* ============================================================ Statement */
.air-intro { padding-top: clamp(24px, 4vw, 64px); padding-bottom: clamp(24px, 4vw, 56px); }
.air-statement {
  margin-top: 28px;
  max-width: 1120px;
  font-family: var(--font-sans);
  font-size: clamp(1.75rem, 0.85rem + 3vw, 3.9rem);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -0.037em;
  color: var(--ink);
  text-wrap: pretty;
}
.air-statement em { font-style: normal; color: var(--accent-text); }
.js .air-statement .aw { color: rgb(var(--ink-rgb) / 0.14); transition: color 450ms var(--ease-soft); }
.js .air-statement .aw.is-lit { color: var(--ink); }
.js .air-statement em .aw.is-lit { color: var(--accent-text); }

/* ================================================================= Loop */
.air-loop { padding-top: clamp(56px, 7vw, 112px); }
.air-loop__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
  gap: clamp(40px, 6vw, 104px);
  align-items: start;
}
.air-loop__sticky { position: sticky; top: max(calc(var(--header-h-compact) + var(--header-top-compact) + 28px), calc(50vh - 280px)); }
.air-loop__media { position: relative; margin: 0; }
.air-loop__frame {
  position: relative;
  aspect-ratio: 1600 / 905;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--night-2);
  box-shadow: 0 0 0 1px var(--line), 0 50px 90px -50px rgb(0 0 0 / 0.55);
  isolation: isolate;
}
.air-loop__frame > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.air-loop__svg, .air-loop__pins { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }
.air-loop__hud { z-index: 2; }
.air-loop__read [data-for] { display: none; }
[data-step="1"] .air-loop__read [data-for="1"], [data-step="2"] .air-loop__read [data-for="2"], [data-step="3"] .air-loop__read [data-for="3"],
[data-step="4"] .air-loop__read [data-for="4"], [data-step="5"] .air-loop__read [data-for="5"] { display: inline; }

.air-loop__bar { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; margin-top: 16px; }
.air-loop__bar span {
  position: relative;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-nano);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
  transition: color var(--t-med);
}
.air-loop__bar span::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--line-2); }
.air-loop__bar span::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--crimson); transform: scaleX(0); transform-origin: 0 50%; transition: transform 700ms var(--ease-out); }
.air-loop__bar span.is-on { color: var(--ink); }
.air-loop__bar span.is-on::after { transform: scaleX(1); }

/* Overlays per step — cumulative, the current step at full strength */
.lp { opacity: 0; transition: opacity 700ms var(--ease-soft); }
[data-step="1"] .lp--plan { opacity: 1; }
[data-step="2"] .lp--plan { opacity: 0.3; }
[data-step="2"] .lp--watch { opacity: 1; }
[data-step="3"] .lp--plan { opacity: 0.2; }
[data-step="3"] .lp--detect, [data-step="4"] .lp--detect, [data-step="5"] .lp--detect { opacity: 1; }
[data-step="4"] .lp--task { opacity: 1; }
[data-step="5"] .lp--task { opacity: 0.4; }
[data-step="5"] .lp--hand { opacity: 1; }

.lp-route { fill: none; stroke: #fff; stroke-width: 1.8; stroke-dasharray: 9 9; vector-effect: non-scaling-stroke; }
[data-step="1"] .lp-route { animation: lp-dash 1.6s linear 3; }
@keyframes lp-dash { to { stroke-dashoffset: -36; } }
.lp-footprint { fill: rgb(255 255 255 / 0.1); stroke: rgb(255 255 255 / 0.8); stroke-width: 1.4; vector-effect: non-scaling-stroke; }
.lp-scanline { stroke: var(--crimson-300); stroke-width: 2; vector-effect: non-scaling-stroke; }
.lp--watch { transform-box: view-box; }
[data-step="2"] g.lp--watch { animation: lp-slide 2.6s var(--ease-in-out) 2 alternate both; }
@keyframes lp-slide { from { transform: translate(-150px, -92px); } to { transform: translate(150px, 92px); } }
.lp-approach { fill: none; stroke: var(--crimson-300); stroke-width: 2; stroke-dasharray: 6 8; vector-effect: non-scaling-stroke; }
.lp-teamroute { fill: none; stroke: #fff; stroke-width: 2; stroke-dasharray: 3 7; vector-effect: non-scaling-stroke; }

.lp-wp, .lp-kp, .lp-frame, .lp-drone, .lp-team, .lp-box, .lp-glow { position: absolute; left: calc(var(--x) * 100%); top: calc(var(--y) * 100%); }
.lp-wp, .lp-kp, .lp-frame, .lp-drone em, .lp-team em, .lp-box em, .lp-box small {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  color: #fff;
}
.lp-wp { display: flex; align-items: center; gap: 8px; transform: translate(-6px, -50%); text-shadow: 0 1px 3px rgb(0 0 0 / 0.8); }
.lp-wp i { width: 11px; height: 11px; border: 1.5px solid #fff; background: rgb(5 5 6 / 0.5); transform: rotate(45deg); }
.lp-kp { padding: 3px 7px; background: rgb(5 5 6 / 0.6); border: 1px solid rgb(255 255 255 / 0.2); transform: translate(-50%, -50%); }
.lp-frame { padding: 6px 9px; line-height: 1.6; background: rgb(5 5 6 / 0.55); border: 1px solid rgb(255 255 255 / 0.22); }
.lp-glow {
  width: 22%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgb(255 255 255 / 0.85), rgb(255 90 115 / 0.55) 30%, rgb(200 16 46 / 0.2) 60%, transparent);
  mix-blend-mode: screen;
}
.lp-box {
  width: 11%;
  height: 18%;
  transform: translate(-50%, -50%) scale(1.3);
  border: 1.5px solid var(--crimson-300);
  box-shadow: 0 0 0 1px rgb(0 0 0 / 0.25);
  transition: opacity 700ms var(--ease-soft), transform 800ms var(--ease-spring);
}
[data-step="3"] .lp-box, [data-step="4"] .lp-box, [data-step="5"] .lp-box { transform: translate(-50%, -50%); }
.lp-box em, .lp-box small { position: absolute; left: -1.5px; padding: 3px 7px; font-style: normal; }
.lp-box em { bottom: 100%; margin-bottom: 5px; background: var(--crimson); }
.lp-box small { top: 100%; margin-top: 5px; background: rgb(5 5 6 / 0.6); border: 1px solid rgb(255 255 255 / 0.2); }
.lp-drone { transform: translate(-50%, -50%); }
.lp-drone i { display: block; width: 0; height: 0; border-left: 18px solid #fff; border-top: 8px solid transparent; border-bottom: 8px solid transparent; transform: rotate(-33deg); }
.lp-drone em, .lp-team em { position: absolute; left: 22px; top: -22px; padding: 3px 7px; font-style: normal; background: rgb(5 5 6 / 0.6); border: 1px solid rgb(255 255 255 / 0.25); }
.lp-drone em { left: auto; right: 16px; top: 14px; background: var(--crimson); border-color: transparent; }
.lp-team em { left: auto; right: 20px; top: -26px; }
.lp-team { transform: translate(-50%, -50%); }
.lp-team i { display: block; width: 14px; height: 14px; border: 1.5px solid #fff; background: var(--crimson); transform: rotate(45deg); }

.air-loop__steps { display: grid; margin: 0; padding: 0; }
.air-loop__step {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 64vh;
  padding: 40px 0;
}
.air-loop__step:first-child { min-height: 50vh; justify-content: flex-start; padding-top: 12px; }
/* The step in view is bright; the others recede by colour, never below AA contrast (no opacity dimming). */
.air-loop__step h3 { transition: color 560ms var(--ease-soft); }
.air-loop__step:not(.is-active) h3 { color: var(--ink-3); }
.air-loop__num { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.1em; color: var(--accent-text); }
.air-loop__num span { margin-left: 10px; text-transform: uppercase; color: var(--ink-3); }
.air-loop__step h3 { margin-top: 18px; font-size: clamp(1.7rem, 1rem + 1.7vw, 2.6rem); line-height: 1.04; letter-spacing: -0.038em; font-weight: 700; }
.air-loop__step > p:last-child { margin-top: 18px; max-width: 440px; color: var(--ink-3); font-size: var(--fs-body); line-height: 1.6; }

@media (max-width: 900px) {
  .air-loop__grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .air-loop__sticky {
    top: calc(var(--header-h-compact) + var(--header-top-compact) + 6px);
    z-index: 3;
    margin-inline: calc(var(--gutter) * -1);
    padding: 8px var(--gutter) 22px;
    background: linear-gradient(180deg, var(--paper) calc(100% - 16px), rgb(var(--paper-rgb) / 0));
  }
  .air-loop__frame { border-radius: var(--r-lg); }
  .air-loop__bar { margin-top: 12px; }
  .air-loop__bar span { font-size: 9px; letter-spacing: 0.06em; }
  .air-loop__step { min-height: 46vh; padding: 28px 0; }
  .air-loop__step:first-child { min-height: 40vh; padding-top: 24px; justify-content: center; }
  .air-loop__step h3 { margin-top: 12px; }
  .air-loop__step > p:last-child { margin-top: 12px; font-size: var(--fs-small); }
  .air-loop__hud .hud__read--tr { display: none; }
  .lp-kp, .lp-frame { display: none; }
  .lp-wp { font-size: 8.5px; gap: 5px; }
  .lp-wp i { width: 8px; height: 8px; }
}
/* Landscape phones: the pinned film is taller than the screen and would hide every step, so it scrolls with the page */
@media (max-width: 900px) and (max-height: 560px) {
  .air-loop__sticky { position: relative; top: auto; }
}
@media (max-width: 600px) {
  .air-loop__hud .hud__read { font-size: 9px; top: 18px; }
  .air-loop__hud .hud__read--tl { left: 22px; }
  .air-loop__hud .hud__sim { display: none; }
  .lp-box em, .lp-box small, .lp-drone em, .lp-team em { font-size: 8.5px; padding: 2px 5px; }
  .lp-wp:nth-child(2) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .air-loop__step { opacity: 1; }
}

/* ================================================================= Demo */
.air-demo { overflow: hidden; padding-top: clamp(40px, 6vw, 96px); }
.air-demo .bg-glow--low { opacity: 0.55; }
.air-demo__head { align-items: end; margin-bottom: clamp(40px, 5.5vw, 72px); }
.air-demo__title { font-size: clamp(2.4rem, 0.9rem + 4.3vw, 5.25rem); max-width: 12ch; }
.air-demo__try { display: inline-flex; align-items: center; gap: 10px; font-size: var(--fs-small); font-weight: 500; color: var(--ink-2); }
.air-demo__try vm-icon { color: var(--accent-text); }
.air-demo .airdemo { max-width: 1400px; margin-inline: auto; }
.air-demo__facts { margin-top: clamp(56px, 7vw, 104px); }
.air-fact { padding-top: 24px; border-top: 1px solid var(--line); }
.air-fact vm-icon { color: var(--accent-text); }
.air-fact h3 { margin-top: 18px; font-size: var(--fs-h4); }
.air-fact p { margin-top: 8px; color: var(--ink-3); font-size: var(--fs-small); }

/* ============================================================ Use cases */
.air-bento { grid-auto-rows: minmax(400px, auto); }
.air-case {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 400px;
  border-radius: var(--r-lg);
  overflow: hidden;
  isolation: isolate;
  background: var(--night-2);
  color: #fff;
  box-shadow: 0 0 0 1px var(--line), 0 34px 70px -40px rgb(0 0 0 / 0.6);
  transition: box-shadow var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
}
.air-case:hover { transform: translateY(-4px); box-shadow: 0 0 0 1px var(--line-2), 0 44px 80px -40px rgb(0 0 0 / 0.7); }
.air-case .air-img { z-index: 0; }
.air-case .air-img__frame { transition: scale 500ms var(--ease-out); }
.air-case:hover .air-img__frame { scale: 1.03; }
.air-case__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgb(5 5 6 / 0.5) 0%, rgb(5 5 6 / 0) 26%, rgb(5 5 6 / 0) 42%, rgb(5 5 6 / 0.62) 70%, rgb(5 5 6 / 0.92) 100%);
  pointer-events: none;
}
.air-case__img--thermal img { filter: grayscale(1) contrast(1.55) brightness(0.72); }
.air-case__hud { z-index: 1; }
.air-case__hud .hud__read--tr { color: rgb(255 255 255 / 0.55); }
.air-case__body { position: relative; z-index: 2; max-width: 560px; padding: clamp(22px, 2.4vw, 32px); }
.air-case__icon { display: block; margin-bottom: 16px; color: #fff; }
.air-case h3 { color: #fff; font-size: var(--fs-h3); }
.air-case__body p { margin-top: 8px; color: rgb(255 255 255 / 0.8); font-size: var(--fs-small); line-height: 1.52; }

/* Marks on the imagery */
.air-box {
  width: calc(var(--w) * 100%);
  height: calc(var(--h) * 100%);
  transform: translate(-50%, -50%);
  border: 1.5px solid var(--crimson-300);
  box-shadow: 0 0 0 1px rgb(0 0 0 / 0.25);
}
.air-box em, .air-trk em, .air-zone em, .air-zone small, .air-kp {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-style: normal;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  color: #fff;
}
.air-box em { position: absolute; left: -1.5px; bottom: 100%; margin-bottom: 5px; padding: 3px 7px; background: var(--crimson); }
.air-heat {
  width: 20%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgb(255 255 255 / 0.9), rgb(255 110 130 / 0.5) 28%, rgb(200 16 46 / 0.18) 58%, transparent);
  mix-blend-mode: screen;
}
.air-trk { width: 18px; height: 18px; margin: -9px 0 0 -9px; border: 1.5px solid rgb(255 255 255 / 0.95); transform: rotate(45deg); box-shadow: 0 0 0 1px rgb(0 0 0 / 0.3); }
.air-trk em { position: absolute; left: 20px; top: -6px; padding: 3px 7px; transform: rotate(-45deg); transform-origin: left top; background: rgb(5 5 6 / 0.6); border: 1px solid rgb(255 255 255 / 0.25); }
.air-trk--alert { border-color: var(--crimson-300); background: rgb(200 16 46 / 0.4); box-shadow: 0 0 22px rgb(255 72 99 / 0.6); }
.air-trk--alert em { background: var(--crimson); border-color: transparent; }
.air-node { width: 11px; height: 11px; margin: -5.5px 0 0 -5.5px; border: 1.5px solid #fff; background: rgb(5 5 6 / 0.5); transform: rotate(45deg); }
.air-node--alert { background: var(--crimson); border-color: var(--crimson-300); box-shadow: 0 0 20px rgb(255 72 99 / 0.7); }
.air-kp { padding: 3px 7px; transform: translate(-50%, -50%); background: rgb(5 5 6 / 0.55); border: 1px solid rgb(255 255 255 / 0.22); }
.air-kp--alert { background: var(--crimson); border-color: transparent; transform: translate(-50%, 0); }
.air-zone {
  width: calc(var(--w) * 100%);
  height: calc(var(--h) * 100%);
  transform: translate(-50%, -50%);
  border: 1.5px solid var(--crimson-300);
  background: rgb(200 16 46 / 0.2);
}
.air-zone--calm { border: 1px dashed rgb(255 255 255 / 0.75); background: rgb(255 255 255 / 0.05); }
.air-zone em, .air-zone small { position: absolute; left: -1.5px; padding: 3px 7px; }
.air-zone em { bottom: 100%; margin-bottom: 5px; background: var(--crimson); }
.air-zone--calm em { background: rgb(5 5 6 / 0.65); border: 1px solid rgb(255 255 255 / 0.25); }
.air-zone small { top: 100%; margin-top: 5px; background: rgb(5 5 6 / 0.6); }
.air-line { fill: none; stroke: rgb(255 255 255 / 0.75); stroke-width: 1.4; vector-effect: non-scaling-stroke; }
.air-line--dash { stroke-dasharray: 6 6; }
.air-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgb(255 255 255 / 0.22) 1px, transparent 1px), linear-gradient(to bottom, rgb(255 255 255 / 0.22) 1px, transparent 1px);
  background-size: 12.5% 20%;
  opacity: 0.55;
}
@media (max-width: 640px) {
  .air-bento { grid-auto-rows: auto; }
  .air-case { display: block; min-height: 0; }
  .air-case .air-img { position: relative; inset: auto; aspect-ratio: 4 / 3; }
  .air-case__img::after { background: linear-gradient(180deg, rgb(5 5 6 / 0.45) 0%, rgb(5 5 6 / 0) 28%, rgb(5 5 6 / 0) 62%, var(--night-2) 100%); }
  .air-case__hud { inset: 0 0 auto 0; aspect-ratio: 4 / 3; }
  .air-case__body { margin-top: -36px; padding-top: 0; }
  .air-case .hud__read { font-size: 9px; top: 18px; }
  .air-case .hud__read--tl { left: 22px; }
  .air-case .hud__read--tr { right: 22px; }
}

/* ========================================================== Disciplines */
.air-disc { padding-bottom: var(--section-y); }
.air-disc__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 1.6vw, 20px); }
.air-disc__card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 470px;
  padding: clamp(26px, 3vw, 40px);
  border-radius: var(--r-xl);
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--t-slow) var(--ease-out);
}
.air-disc__card:hover { transform: translateY(-6px); }
.air-disc__card--night { background: radial-gradient(90% 80% at 100% 0%, rgb(var(--crimson-rgb) / 0.24), transparent 55%), var(--night-1); border: 1px solid var(--night-line); }
.air-disc__card--crimson {
  background:
    radial-gradient(80% 80% at 100% 0%, rgb(255 110 130 / 0.45), transparent 55%),
    radial-gradient(60% 70% at 0% 100%, rgb(40 0 8 / 0.5), transparent 60%),
    linear-gradient(160deg, #D5142F, var(--crimson) 45%, var(--crimson-700));
}
.air-disc__card--crimson.spotlight::before { background: radial-gradient(420px circle at var(--mx, 50%) var(--my, -40%), rgb(255 255 255 / 0.16), transparent 60%); }
.air-disc__card--crimson.spotlight::after { background: radial-gradient(260px circle at var(--mx, 50%) var(--my, -40%), rgb(255 255 255 / 0.8), transparent 65%); }
.air-disc__card--paper { background: var(--paper-2); border: 1px solid var(--line); }
.air-disc__num { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.1em; color: var(--accent-text); }
.air-disc__card h3 { margin-top: 14px; font-size: clamp(2.3rem, 1rem + 2.6vw, 3.5rem); line-height: 0.94; letter-spacing: -0.05em; font-weight: 750; color: var(--ink); }
.air-disc__lead { margin-top: 16px; font-size: var(--fs-lead); line-height: 1.35; letter-spacing: -0.02em; color: var(--ink-2); }
.air-disc__list { display: grid; gap: 14px; margin: 30px 0 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.air-disc__list li { display: flex; gap: 12px; align-items: flex-start; font-size: var(--fs-small); line-height: 1.45; color: var(--ink-2); }
.air-disc__list vm-icon { color: var(--accent-text); margin-top: 1px; }
.air-disc__card .link-arrow { margin-top: auto; }
@media (max-width: 1024px) {
  .air-disc__grid { grid-template-columns: minmax(0, 1fr); }
  .air-disc__card { min-height: 0; }
}
@media (min-width: 681px) and (max-width: 1024px) {
  .air-disc__card { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); grid-template-rows: auto auto 1fr auto; column-gap: 40px; }
  .air-disc__card > :not(.air-disc__list):not(.link-arrow) { grid-column: 1; }
  .air-disc__list { grid-column: 2; grid-row: 1 / span 3; margin: 0; padding: 4px 0 0 32px; border-top: 0; border-left: 1px solid var(--line); }
  .air-disc__card .link-arrow { grid-column: 2; grid-row: 4; margin: 24px 0 0 32px; }
}

/* ===================================================== People in command */
.air-people { overflow: hidden; }
.air-people .bg-mark { right: -12%; bottom: -34%; width: min(920px, 84vw); }
.air-people__grid { align-items: center; }
.air-people__title { font-size: clamp(2.4rem, 0.9rem + 4.2vw, 5.1rem); max-width: 12ch; }
.air-people__checks { margin-top: 32px; }
.air-people__checks li { color: var(--ink-2); }
.air-auth {
  position: relative;
  justify-self: end;
  width: 100%;
  max-width: 470px;
  padding: clamp(22px, 2.4vw, 30px);
  border-radius: 28px;
  background: linear-gradient(180deg, rgb(255 255 255 / 0.07), rgb(255 255 255 / 0.025));
  border: 1px solid rgb(255 255 255 / 0.12);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  backdrop-filter: blur(22px) saturate(150%);
  box-shadow: 0 1px 0 rgb(255 255 255 / 0.08) inset, 0 50px 100px -50px rgb(0 0 0 / 0.9);
  transition: border-color 600ms var(--ease-soft), box-shadow 600ms var(--ease-soft);
}
.air-auth[data-decision="authorised"] { border-color: rgb(var(--crimson-rgb) / 0.7); box-shadow: 0 1px 0 rgb(255 255 255 / 0.08) inset, 0 50px 100px -50px rgb(0 0 0 / 0.9); }
.air-auth__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.air-auth__kicker { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: var(--fs-nano); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2); }
.air-auth__kicker vm-icon { color: var(--accent-text); }
.air-auth__state { height: 24px; padding: 0 9px; font-size: 9.5px; letter-spacing: 0.14em; color: var(--ink-3); transition: background-color var(--t-med), color var(--t-med), border-color var(--t-med); }
.air-auth[data-decision="authorised"] .air-auth__state { --tick: #fff; background: var(--crimson); border-color: transparent; color: #fff; }
.air-auth[data-decision="declined"] .air-auth__state { --tick: rgb(255 255 255 / 0.7); color: var(--ink); border-color: var(--line-2); }
.air-auth__title { margin-top: 20px; font-family: var(--font-sans); font-size: clamp(1.6rem, 1.1rem + 1.2vw, 2.1rem); font-weight: 700; letter-spacing: -0.035em; color: var(--ink); }
.air-auth__rows { display: grid; margin: 18px 0 0; border-top: 1px solid var(--line); }
.air-auth__rows div { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: var(--fs-small); }
.air-auth__rows dt { color: var(--ink-3); }
.air-auth__rows dd { margin: 0; text-align: right; color: var(--ink); font-weight: 550; }
.air-auth__actions { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 10px; margin-top: 22px; }
.air-auth__btn {
  height: 50px;
  border-radius: 14px;
  border: 1px solid var(--line-2);
  background: rgb(255 255 255 / 0.04);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.98rem;
  transition: background-color var(--t-fast), border-color var(--t-fast), transform var(--t-exit) var(--ease-out), box-shadow var(--t-med);
}
@media (hover: hover) { .air-auth__btn:hover { background: rgb(255 255 255 / 0.09); border-color: rgb(255 255 255 / 0.3); } }
.air-auth__btn:active { transform: scale(0.97); }
.air-auth__btn--go { background: var(--crimson); border-color: transparent; color: #fff; box-shadow: 0 1px 0 rgb(255 255 255 / 0.22) inset; }
@media (hover: hover) { .air-auth__btn--go:hover { background: var(--crimson-400); border-color: transparent; } }
.air-auth__btn[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--night), 0 0 0 3.5px rgb(255 255 255 / 0.7); }
.air-auth__stamp {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 3em;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}
.air-auth__stamp::before { content: ""; flex: none; width: 8px; height: 8px; margin-top: 4px; border: 1.5px solid currentColor; transform: rotate(45deg); }
.air-auth[data-decision="authorised"] .air-auth__stamp { color: #FF8397; }
.air-auth[data-decision="authorised"] .air-auth__stamp::before { background: var(--crimson); border-color: var(--crimson-300); }
.air-auth[data-decision="declined"] .air-auth__stamp { color: var(--ink-2); }
@media (max-width: 900px) { .air-auth { justify-self: start; } }

/* ======================================================== Across domains */
.air-next { padding-bottom: var(--section-y); }
.air-next__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: clamp(36px, 5vw, 64px); padding-top: clamp(40px, 6vw, 88px); border-top: 1px solid var(--line); }
.air-next__title { margin-top: 16px; max-width: 14ch; font-size: var(--fs-h1); }
.air-next__lead { max-width: 440px; color: var(--ink-3); }
.air-next__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 1.6vw, 20px); margin: 0; padding: 0; list-style: none; }
.air-next__grid > li { display: flex; }
.air-next__card {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 10px 10px 28px;
  border-radius: var(--r-lg);
  background: var(--night-1);
  border: 1px solid var(--night-line);
  transition: transform var(--t-slow) var(--ease-out), border-color var(--t-fast) var(--ease-soft), background-color var(--t-fast) var(--ease-soft);
}
.air-next__card:hover { transform: translateY(-6px); border-color: rgb(255 255 255 / 0.2); background: var(--night-2); }
.air-next__media { position: relative; display: block; aspect-ratio: 16 / 10; border-radius: 18px; overflow: hidden; background: var(--night-2); }
.air-next__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms var(--ease-out); }
.air-next__card:hover .air-next__media img { transform: scale(1.03); }
.air-next__corners {
  --c: rgb(255 255 255 / 0.7);
  position: absolute;
  inset: 12px;
  background:
    linear-gradient(var(--c), var(--c)) left top / 14px 1.5px no-repeat,
    linear-gradient(var(--c), var(--c)) left top / 1.5px 14px no-repeat,
    linear-gradient(var(--c), var(--c)) right top / 14px 1.5px no-repeat,
    linear-gradient(var(--c), var(--c)) right top / 1.5px 14px no-repeat,
    linear-gradient(var(--c), var(--c)) left bottom / 14px 1.5px no-repeat,
    linear-gradient(var(--c), var(--c)) left bottom / 1.5px 14px no-repeat,
    linear-gradient(var(--c), var(--c)) right bottom / 14px 1.5px no-repeat,
    linear-gradient(var(--c), var(--c)) right bottom / 1.5px 14px no-repeat;
}
.air-next__num { margin: 22px 14px 0; font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.1em; color: var(--accent-text); }
.air-next__num span { margin-left: 8px; text-transform: uppercase; color: var(--ink-3); }
.air-next__name { margin: 12px 14px 0; font-family: var(--font-sans); font-size: var(--fs-h4); font-weight: 650; line-height: 1.2; letter-spacing: -0.02em; color: var(--ink); }
.air-next__text { margin: 8px 14px 0; font-size: var(--fs-small); line-height: 1.5; color: var(--ink-3); }
.air-next__go {
  position: absolute;
  top: 22px;
  right: 22px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--r-xs);
  color: #fff;
  background: rgb(5 5 6 / 0.45);
  border: 1px solid rgb(255 255 255 / 0.22);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: background-color var(--t-fast), color var(--t-fast);
}
.air-next__card:hover .air-next__go { background: #fff; color: #0B0B0D; }
.air-next__all { margin-top: 40px; }
@media (max-width: 1024px) { .air-next__head { flex-direction: column; align-items: flex-start; gap: 20px; } }
@media (max-width: 900px) { .air-next__grid { grid-template-columns: minmax(0, 1fr); } }

/* ================================================================== CTA */
.air-cta { overflow: hidden; padding-block: clamp(64px, 8vw, 128px) clamp(150px, 18vw, 260px); }
.air-cta::after { /* dissolves into the night footer, no hard edge */
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: clamp(120px, 16vw, 230px);
  background: linear-gradient(180deg, rgb(5 5 6 / 0), rgb(42 2 10 / 0.55) 45%, var(--night));
  pointer-events: none;
  z-index: -1;
}
.air-cta .bg-mark { right: -7%; bottom: auto; top: 6%; width: min(820px, 72vw); }
.air-cta__inner { position: relative; }
.air-cta__title { margin-top: 20px; max-width: 13ch; font-size: var(--fs-display); line-height: 0.95; letter-spacing: var(--tracking-display); color: #fff; }
.air-cta__lead { margin-top: 26px; max-width: 600px; color: rgb(255 255 255 / 0.88); }
.air-cta__actions { margin-top: 38px; --cluster-gap: 12px; }
.air-cta__mail { margin-top: 28px; font-size: var(--fs-small); color: rgb(255 255 255 / 0.82); }
.air-cta__mail a { color: #fff; font-weight: 600; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.air-cta__mail a:hover { text-decoration-thickness: 2px; }