:root {
  --air-blue: #1ba4df;
  --air-blue-deep: #0b8dcc;
  --air-lime: #d4ff2f;
  --air-red: #ee2b20;
  --air-ink: #101519;
  --air-white: #f8fcfd;
  --air-cloud: rgba(255, 255, 255, .78);
  --air-shadow: 0 26px 70px rgba(15, 84, 118, .16);
  --air-radius: 34px;
}

body.airways-detail,
body.airways-city {
  background: #f6f7f3;
  color: var(--air-ink);
}

.airways-detail .record-page,
.airways-city .city-page {
  width: min(calc(100% - 32px), 1440px);
  margin: 16px auto;
  border: 0;
  background: transparent;
}

.airways-detail .record-top,
.airways-city .topbar {
  position: relative;
  z-index: 20;
  min-height: 58px;
  margin-bottom: 12px;
  border: 1px solid rgba(16, 21, 25, .08);
  border-radius: 18px;
  background: rgba(255, 255, 255, .74);
  box-shadow: 0 10px 30px rgba(31, 71, 90, .06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.airways-detail .record-top {
  grid-template-columns: 1fr auto;
  border-bottom: 1px solid rgba(16, 21, 25, .08);
}

.airways-detail .brand-mark {
  border: 0;
  border-radius: 9px;
  color: var(--air-ink);
  background: var(--air-lime);
}

.airways-detail .back {
  margin: 8px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  color: var(--air-white);
  background: var(--air-ink);
}

.airways-detail .quiet-hero,
.airways-detail .aesthetic-cover,
.airways-city .intro {
  isolation: isolate;
  position: relative;
  overflow: hidden;
  min-height: min(720px, calc(100vh - 102px));
  border: 0;
  border-radius: var(--air-radius);
  background:
    radial-gradient(ellipse at 7% 92%, var(--air-cloud) 0 13%, transparent 35%),
    radial-gradient(ellipse at 88% 95%, rgba(255,255,255,.67) 0 12%, transparent 34%),
    linear-gradient(145deg, var(--air-blue-deep), #2ab2e6 58%, #75cdec);
  box-shadow: var(--air-shadow);
}

.airways-detail .quiet-hero::before,
.airways-detail .aesthetic-cover::before,
.airways-city .intro::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 92%;
  height: 67%;
  right: -31%;
  bottom: -27%;
  border: 7px solid var(--air-red);
  border-left-color: transparent;
  border-radius: 50%;
  transform: rotate(-9deg);
  opacity: .95;
}

.airways-detail .quiet-hero::after,
.airways-detail .aesthetic-cover::after,
.airways-city .intro::after {
  content: "";
  position: absolute;
  z-index: -2;
  left: -7%;
  right: -7%;
  bottom: -15%;
  height: 36%;
  border-radius: 50% 50% 0 0;
  background: rgba(255, 255, 255, .55);
  filter: blur(18px);
}

.route-caption {
  position: absolute;
  z-index: 3;
  right: 4%;
  top: 5%;
  color: rgba(255, 255, 255, .78);
  font: 800 9px/1 var(--mono, monospace);
  letter-spacing: .18em;
}

.airways-detail .quiet-hero {
  grid-template-columns: minmax(280px, .78fr) minmax(0, 1.22fr);
  gap: clamp(44px, 7vw, 104px);
  padding: clamp(66px, 8vw, 106px);
}

.airways-detail .quiet-mark {
  min-height: 450px;
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: 28px;
  background:
    linear-gradient(rgba(16,21,25,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,21,25,.055) 1px, transparent 1px),
    rgba(255,255,255,.82);
  background-size: 42px 42px;
  box-shadow: 0 28px 60px rgba(4, 69, 100, .18);
  transform: rotate(-3deg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.airways-detail .quiet-mark::before {
  top: 11%;
  bottom: 11%;
  background: rgba(16, 21, 25, .16);
}

.airways-detail .quiet-mark strong {
  color: var(--air-ink);
  font-size: clamp(34px, 3.2vw, 48px);
  letter-spacing: .16em;
}

.airways-detail .quiet-mark span {
  bottom: 8%;
  color: var(--air-red);
}

.airways-detail .quiet-copy {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.airways-detail .kicker,
.airways-detail .aesthetic-copy .kicker {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  margin-bottom: 28px;
  padding: 0 13px;
  border-radius: 999px;
  color: var(--air-ink);
  background: var(--air-lime);
  font-size: 9px;
}

.airways-detail .quiet-copy h1,
.airways-detail .aesthetic-copy h1 {
  max-width: 760px;
  color: white;
  font-family: var(--sans);
  font-size: clamp(48px, 6.5vw, 92px);
  font-weight: 800;
  line-height: .98;
  letter-spacing: -.075em;
}

.airways-detail .quiet-copy p,
.airways-detail .aesthetic-copy p {
  max-width: 570px;
  color: rgba(255, 255, 255, .88);
  font-size: clamp(14px, 1.25vw, 18px);
  line-height: 1.85;
}

.airways-detail .quiet-contact {
  min-height: 52px;
  margin-top: 32px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  color: var(--air-ink);
  background: var(--air-lime);
  box-shadow: 0 12px 28px rgba(35, 83, 17, .15);
  transition: transform .2s ease, box-shadow .2s ease;
}

.airways-detail .quiet-contact:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 32px rgba(35, 83, 17, .2);
}

.detail-media .quiet-mark {
  transform: rotate(2.4deg);
}

.detail-media .quiet-mark::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 22%;
  height: 25%;
  background:
    linear-gradient(155deg, transparent 0 11%, #159fdf 12% 14%, transparent 15% 28%, #159fdf 29% 31%, transparent 32% 46%, #159fdf 47% 49%, transparent 50% 63%, #159fdf 64% 66%, transparent 67% 80%, #159fdf 81% 83%, transparent 84%);
  opacity: .9;
}

.detail-community .quiet-mark {
  background: var(--air-ink);
  border-color: rgba(255,255,255,.2);
  transform: rotate(-1.6deg);
}

.detail-community .quiet-mark strong {
  color: white;
}

.detail-community .quiet-mark::before {
  background: rgba(255,255,255,.2);
}

.detail-community .quiet-mark span {
  color: var(--air-lime);
}

.airways-detail .aesthetic-cover {
  grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
  gap: clamp(46px, 7vw, 110px);
  padding: clamp(66px, 8vw, 106px);
}

.airways-detail .aesthetic-copy {
  position: relative;
  z-index: 2;
}

.airways-detail .blank-photo {
  position: relative;
  z-index: 2;
  min-height: 480px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 30px;
  background:
    linear-gradient(rgba(16,21,25,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,21,25,.05) 1px, transparent 1px),
    rgba(255,255,255,.8);
  background-size: 42px 42px;
  box-shadow: 0 28px 60px rgba(4,69,100,.18);
  transform: rotate(2.2deg);
  backdrop-filter: blur(18px);
}

.airways-detail .aesthetic-gallery {
  gap: 20px;
  margin-top: 54px;
  padding: 0 0 54px;
  border: 0;
}

.airways-detail .photo-slot {
  padding: 14px;
  border: 1px solid rgba(16,21,25,.07);
  border-radius: 24px;
  background: white;
  box-shadow: 0 15px 40px rgba(34, 68, 82, .08);
}

.airways-detail .photo-placeholder {
  border: 0;
  border-radius: 16px;
  background:
    linear-gradient(rgba(16,21,25,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,21,25,.04) 1px, transparent 1px),
    #eef1ed;
  background-size: 30px 30px;
}

.airways-detail .record-footer {
  margin-top: 12px;
  padding: 20px 22px;
  border-radius: 18px;
  background: white;
}

/* Content-rich secondary pages */
.airways-detail .quiet-hero.content-hero {
  grid-template-columns: minmax(0, .92fr) minmax(360px, 1.08fr);
  align-items: center;
}

.feature-panel {
  position: relative;
  z-index: 2;
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid rgba(255,255,255,.66);
  border-radius: 28px;
  background: rgba(255,255,255,.76);
  box-shadow: 0 28px 60px rgba(4,69,100,.17);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(16,21,25,.12);
}

.panel-head span {
  font-size: 18px;
  font-weight: 800;
}

.panel-head small,
.feature-list > li > span,
.detail-section small {
  color: #66747a;
  font: 800 9px/1 var(--mono);
  letter-spacing: .12em;
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(16,21,25,.1);
}

.feature-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.feature-list strong,
.feature-list small { display: block; }
.feature-list strong { font-size: clamp(15px, 1.4vw, 19px); }
.feature-list small { margin-top: 7px; color: #66747a; font-size: 11px; }

.detail-section {
  margin-top: 48px;
  padding: clamp(52px, 7vw, 90px);
  border-radius: var(--air-radius);
  background: white;
  box-shadow: 0 16px 42px rgba(34,68,82,.07);
}

.section-intro {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(42px, 8vw, 120px);
  align-items: end;
}

.section-intro h2 {
  margin: 14px 0 0;
  font-size: clamp(34px, 4.4vw, 66px);
  line-height: 1.04;
  letter-spacing: -.065em;
}

.section-intro p {
  margin: 0;
  color: #596268;
  font-size: 14px;
  line-height: 1.9;
}

.detail-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: clamp(42px, 6vw, 72px);
}

.detail-cards article {
  display: grid;
  min-height: 260px;
  padding: 26px;
  border: 1px solid rgba(16,21,25,.08);
  border-radius: 24px;
  background: #f4f5f1;
  transition: transform .22s ease, box-shadow .22s ease;
}

.detail-cards article:nth-child(2) { background: var(--air-lime); }
.detail-cards article:nth-child(3) { color: white; background: var(--air-ink); }
.detail-cards article:hover { transform: translateY(-5px); box-shadow: 0 18px 35px rgba(34,68,82,.1); }
.detail-cards article:nth-child(3) small,
.detail-cards article:nth-child(3) p { color: rgba(255,255,255,.62); }
.detail-cards h3 { margin: 46px 0 0; font-size: clamp(21px, 2.2vw, 31px); line-height: 1.15; }
.detail-cards p { margin: 14px 0 30px; color: #596268; font-size: 13px; line-height: 1.7; }
.detail-cards article > span { align-self: end; font: 700 9px/1 var(--mono); letter-spacing: .08em; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 22px;
  overflow: hidden;
  border-radius: 16px;
  background: rgba(16,21,25,.1);
}

.metric-grid div { padding: 17px; background: rgba(255,255,255,.82); }
.metric-grid strong,
.metric-grid span { display: block; }
.metric-grid strong { font-size: clamp(27px, 3vw, 42px); letter-spacing: -.05em; }
.metric-grid span { margin-top: 5px; color: #66747a; font-size: 11px; }

.mini-chart { position: relative; height: 105px; margin-top: 20px; border-bottom: 1px solid rgba(16,21,25,.13); }
.mini-chart svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.mini-chart polyline { fill: none; stroke: var(--air-blue-deep); stroke-width: 2.2; vector-effect: non-scaling-stroke; }
.mini-chart i { position: absolute; z-index: 2; left: var(--x); top: var(--y); width: 8px; height: 8px; border: 2px solid var(--air-ink); border-radius: 50%; background: var(--air-lime); transform: translate(-50%,-50%); }

.work-index {
  display: grid;
  align-content: space-between;
  padding: 38px;
  color: var(--air-ink);
}
.work-index > span { font: 800 10px/1 var(--mono); letter-spacing: .16em; }
.work-index > strong { font-size: clamp(66px, 8vw, 112px); letter-spacing: -.08em; }
.work-index > p { margin: 0; font-family: var(--serif); font-size: clamp(21px, 2.4vw, 32px); line-height: 1.45; }

.airways-detail .photo-slot { color: inherit; }
.work-meta { display: grid; gap: 7px; padding: 16px 4px 2px; }
.work-meta small { color: var(--air-red); font: 800 8px/1 var(--mono); letter-spacing: .12em; }
.work-meta strong { font-size: 20px; }
.work-meta span { color: #66747a; font-size: 11px; }

/* City page keeps its interactive city system, but enters through the same sky. */
.airways-city .topbar {
  grid-template-columns: 1fr auto 1fr;
  border-bottom: 1px solid rgba(16,21,25,.08);
}

.airways-city .intro {
  grid-template-columns: 1fr .82fr;
  align-items: center;
  gap: clamp(48px, 8vw, 120px);
  padding: clamp(66px, 8vw, 106px);
}

.airways-city .intro-title,
.airways-city .intro-copy {
  position: relative;
  z-index: 2;
}

.airways-city .intro-title > span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 13px;
  border-radius: 999px;
  color: var(--air-ink);
  background: var(--air-lime);
}

.airways-city h1 {
  margin-top: 32px;
  color: white;
  font-family: var(--sans);
  font-size: clamp(58px, 7vw, 100px);
  font-weight: 800;
  letter-spacing: -.08em;
}

.airways-city .intro-copy {
  padding: 30px;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 26px;
  background: rgba(255,255,255,.76);
  box-shadow: 0 24px 56px rgba(4,69,100,.16);
  backdrop-filter: blur(18px);
}

.airways-city .intro-copy > p {
  color: #334149;
}

.airways-city .stats strong {
  color: var(--air-blue-deep);
}

.airways-city .city-nav {
  margin-top: 46px;
  padding: 18px;
  border: 1px solid rgba(16,21,25,.08);
  border-radius: 26px;
  background: white;
  box-shadow: 0 16px 42px rgba(34,68,82,.08);
}

.airways-city .nav-row button {
  border-left-color: rgba(16,21,25,.1);
  border-radius: 13px;
}

.airways-city .nav-row button:hover,
.airways-city .nav-row button[aria-selected="true"] {
  color: var(--air-ink);
  background: var(--air-lime);
}

.airways-city .nav-row button:hover small,
.airways-city .nav-row button[aria-selected="true"] small {
  color: rgba(16,21,25,.55);
}

.airways-city .city-content {
  margin-top: 16px;
  overflow: hidden;
  border: 1px solid rgba(16,21,25,.08);
  border-radius: 28px;
  background: white;
  box-shadow: 0 16px 42px rgba(34,68,82,.08);
}

.airways-city .content-grid {
  border-top-color: rgba(16,21,25,.1);
}

.airways-city .content-grid article + article {
  border-left-color: rgba(16,21,25,.1);
}

.airways-city footer {
  margin-top: 16px;
  border: 0;
  border-radius: 18px;
  background: white;
}

@media (max-width: 760px) {
  .airways-detail .record-page,
  .airways-city .city-page {
    width: 100%;
    margin: 0;
  }

  .airways-detail .record-top,
  .airways-city .topbar {
    position: sticky;
    top: 0;
    margin: 0;
    border-width: 0 0 1px;
    border-radius: 0;
  }

  .airways-detail .record-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .airways-detail .brand {
    min-width: 0;
  }

  .airways-detail .brand > span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .airways-detail .back {
    min-height: 38px;
    margin: 8px;
    padding: 0 13px;
    border: 0;
    font-size: 8px;
    white-space: nowrap;
  }

  .airways-detail .quiet-hero,
  .airways-detail .aesthetic-cover,
  .airways-city .intro {
    min-height: auto;
    margin: 12px;
    border-radius: 26px;
  }

  .airways-detail .quiet-hero {
    grid-template-columns: 1fr;
    gap: 38px;
    padding: 64px 22px 40px;
  }

  .airways-detail .quiet-hero.content-hero {
    grid-template-columns: 1fr;
  }

  .feature-panel { padding: 22px; border-radius: 22px; }
  .panel-head span { font-size: 16px; }
  .detail-section { margin: 12px; padding: 42px 20px; border-radius: 26px; }
  .section-intro { grid-template-columns: 1fr; gap: 22px; }
  .section-intro h2 { font-size: 38px; }
  .detail-cards { grid-template-columns: 1fr; gap: 12px; margin-top: 34px; }
  .detail-cards article { min-height: 220px; padding: 22px; }
  .detail-cards h3 { margin-top: 34px; font-size: 26px; }
  .work-index { min-height: 300px; padding: 26px; }

  .route-caption {
    top: 25px;
    right: 22px;
    font-size: 6px;
  }

  .airways-detail .quiet-mark {
    width: min(100%, 300px);
    min-height: 260px;
    margin: 0 auto;
    border-radius: 22px;
  }

  .airways-detail .quiet-mark strong {
    font-size: 30px;
  }

  .airways-detail .quiet-copy h1,
  .airways-detail .aesthetic-copy h1 {
    font-size: clamp(42px, 13vw, 58px);
  }

  .airways-detail .quiet-copy p,
  .airways-detail .aesthetic-copy p {
    font-size: 13px;
    line-height: 1.8;
  }

  .airways-detail .aesthetic-cover {
    grid-template-columns: 1fr;
    gap: 38px;
    padding: 64px 22px 40px;
  }

  .airways-detail .blank-photo {
    min-height: 300px;
    border-radius: 22px;
  }

  .airways-detail .aesthetic-gallery {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 12px;
    padding: 0 12px 28px;
  }

  .airways-detail .photo-slot,
  .airways-detail .photo-slot.wide {
    grid-column: 1;
  }

  .airways-detail .record-footer {
    margin: 12px;
    border: 0;
  }

  .airways-city .topbar {
    grid-template-columns: minmax(0,1fr) auto;
  }

  .airways-city .intro {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 68px 22px 36px;
  }

  .airways-city h1 {
    font-size: 58px;
  }

  .airways-city .intro-copy {
    padding: 22px;
  }

  .airways-city .city-nav {
    margin: 12px;
    padding: 12px 0;
    border-radius: 22px;
  }

  .airways-city .city-content {
    margin: 12px;
    border-radius: 22px;
  }

  .airways-city footer {
    margin: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .airways-detail .quiet-mark,
  .airways-detail .blank-photo {
    transform: none;
  }
}