:root {
  --ink: #06101f;
  --ink-2: #09172b;
  --navy: #0a2452;
  --blue: #1268e8;
  --blue-bright: #55a8ff;
  --sky: #a8d9ff;
  --cloud: #eef8ff;
  --white: #ffffff;
  --text: #eaf3ff;
  --muted: #a8bad0;
  --muted-dark: #66788f;
  --line: rgba(255,255,255,.13);
  --line-strong: rgba(255,255,255,.23);
  --glass: rgba(12,28,53,.72);
  --glass-light: rgba(255,255,255,.075);
  --success: #79e6be;
  --warning: #ffcc7a;
  --risk: #ff8f96;
  --shadow: 0 28px 80px rgba(0,0,0,.32);
  --radius-sm: 14px;
  --radius: 24px;
  --radius-lg: 38px;
  --shell: 1200px;
  --announcement-h: 30px;
  --header-h: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 32%, rgba(18,104,232,.13), transparent 27rem),
    radial-gradient(circle at 88% 63%, rgba(85,168,255,.08), transparent 34rem),
    var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }
img { display: block; width: 100%; max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }
::selection { background: rgba(85,168,255,.35); color: #fff; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 9999;
  padding: 10px 14px;
  border-radius: 10px;
  background: #fff;
  color: #06101f;
  font-weight: 800;
  transform: translateY(-150%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.announcement {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1100;
  height: var(--announcement-h);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding-inline: 16px;
  color: #cfe4ff;
  background: #07162f;
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.site-header {
  position: fixed;
  inset: var(--announcement-h) 0 auto 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: max(20px, calc((100vw - var(--shell))/2));
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease;
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  background: rgba(5,15,31,.9);
  transition: opacity .25s ease, backdrop-filter .25s ease;
}
.site-header.is-scrolled {
  border-color: var(--line);
}
.site-header.is-scrolled::before {
  opacity: 1;
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
}
.site-header > .brand,
.site-header > .nav-toggle {
  position: relative;
  z-index: 1;
}
body.nav-open .site-header,
body.nav-open .site-header.is-scrolled {
  border-color: var(--line);
  background: #050e1d;
}
body.nav-open .site-header::before {
  opacity: 0;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 23px;
  letter-spacing: .01em;
  font-weight: 850;
  line-height: 1;
}
.brand-mark {
  width: 42px;
  height: 28px;
  overflow: visible;
  fill: var(--blue-bright);
}
.brand-mark-cut { fill: var(--ink); opacity: .72; }
.site-header:not(.is-scrolled) .brand-mark-cut { fill: #06101f; opacity: .55; }
.brand-word { color: #fff; }
.brand-air {
  margin-left: -1px;
  color: var(--sky);
  font-size: .58em;
  letter-spacing: .14em;
  text-transform: uppercase;
  transform: translateY(-5px);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.primary-nav a {
  position: relative;
  color: #dceaff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 720;
  letter-spacing: .01em;
}
.primary-nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -7px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue-bright);
  transition: right .2s ease;
}
.primary-nav > a:not(.nav-cta):hover::after,
.primary-nav > a:not(.nav-cta):focus-visible::after { right: 0; }
.nav-cta {
  padding: 10px 17px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.nav-cta:hover,
.nav-cta:focus-visible {
  background: rgba(255,255,255,.15);
  border-color: rgba(255,255,255,.38);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(8,22,43,.55);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero {
  position: relative;
  min-height: 100svh;
  padding-top: calc(var(--announcement-h) + var(--header-h));
  overflow: hidden;
  isolation: isolate;
}
.hero-media,
.cta-media {
  position: absolute;
  inset: 0;
  z-index: -4;
  background-image: url("assets/hero-twilight.webp");
  background-size: cover;
  background-position: 58% center;
  transform: scale(1.015);
}
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(2,9,19,.96) 0%, rgba(4,13,28,.79) 42%, rgba(4,13,28,.22) 72%, rgba(4,13,28,.34) 100%),
    linear-gradient(180deg, rgba(3,9,20,.12) 45%, rgba(3,10,23,.88) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  z-index: -2;
  background: linear-gradient(180deg, transparent, var(--ink));
}
.hero-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(130,194,255,.15);
  border-radius: 50%;
  pointer-events: none;
}
.hero-orbit-one { width: 720px; height: 720px; right: -280px; top: 50px; }
.hero-orbit-two { width: 500px; height: 500px; right: -80px; top: 160px; }

.hero-content {
  min-height: calc(100svh - var(--announcement-h) - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding-block: 95px 190px;
}
.eyebrow {
  margin: 0 0 15px;
  color: var(--blue-bright);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .19em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 790px;
  margin: 0;
  color: #fff;
  font-size: clamp(72px, 10vw, 154px);
  font-weight: 850;
  letter-spacing: -.02em;
  line-height: .78;
  text-wrap: balance;
}
.hero h1 span {
  color: transparent;
  background: linear-gradient(102deg, #fff 3%, #93caff 72%);
  background-clip: text;
  -webkit-background-clip: text;
}
.hero-copy {
  max-width: 650px;
  margin: 34px 0 0;
  color: #d7e8fb;
  font-size: clamp(18px, 2.2vw, 25px);
  line-height: 1.45;
  letter-spacing: -.015em;
}
.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 820;
  letter-spacing: .01em;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.button:hover,
.button:focus-visible { transform: translateY(-2px); }
.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #3d8df6);
  box-shadow: 0 13px 35px rgba(18,104,232,.32);
}
.button-primary:hover,
.button-primary:focus-visible { box-shadow: 0 16px 42px rgba(18,104,232,.46); }
.button-ghost {
  color: #fff;
  border-color: rgba(255,255,255,.27);
  background: rgba(255,255,255,.07);
  backdrop-filter: blur(10px);
}
.button-ghost:hover,
.button-ghost:focus-visible { background: rgba(255,255,255,.13); border-color: rgba(255,255,255,.43); }

.hero-metrics {
  position: absolute;
  left: 50%;
  bottom: 42px;
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 22px;
  background: rgba(6,16,31,.62);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  overflow: hidden;
}
.hero-metrics > div {
  min-width: 0;
  padding: 22px 25px;
  border-right: 1px solid rgba(255,255,255,.11);
}
.hero-metrics > div:last-child { border-right: 0; }
.hero-metrics strong {
  display: block;
  margin-bottom: 1px;
  color: #fff;
  font-size: clamp(22px, 2.1vw, 32px);
  line-height: 1.15;
  letter-spacing: -.045em;
}
.hero-metrics span {
  color: #a9bdd6;
  font-size: 12px;
  font-weight: 680;
  letter-spacing: .045em;
  text-transform: uppercase;
}

.section { position: relative; padding: 130px 0; }
.section-heading h2,
.experience-copy h2,
.tier-copy h2,
.cta-content h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(44px, 6vw, 78px);
  font-weight: 820;
  letter-spacing: -.01em;
  line-height: .97;
  text-wrap: balance;
}
.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .65fr);
  gap: 80px;
  align-items: end;
  margin-bottom: 58px;
}
.split-heading > p {
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}
.lede {
  color: #e6f1ff;
  font-size: clamp(20px, 2.2vw, 28px);
  letter-spacing: -.025em;
  line-height: 1.43;
}

.intro { padding-top: 150px; }
.intro-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 90px;
  align-items: start;
}
.intro-copy { max-width: 690px; }
.intro-copy p { margin: 0 0 24px; color: var(--muted); font-size: 17px; }
.intro-copy .lede { color: #eff7ff; font-size: clamp(22px,2.4vw,31px); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 18px;
  margin-top: 80px;
}
.stat-card {
  position: relative;
  min-height: 280px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 0 0, rgba(72,146,242,.15), transparent 55%),
    rgba(255,255,255,.035);
  overflow: hidden;
}
.stat-card::after {
  content: "";
  position: absolute;
  right: -65px;
  bottom: -65px;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(85,168,255,.12);
  border-radius: 50%;
}
.stat-index {
  display: block;
  color: #7190b5;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .16em;
}
.stat-card > strong {
  display: block;
  margin-top: 33px;
  color: #fff;
  font-size: clamp(45px,5vw,70px);
  letter-spacing: -.065em;
  line-height: 1;
}
.stat-card h3 { margin: 15px 0 7px; color: #fff; font-size: 17px; letter-spacing: .04em; }
.stat-card p { max-width: 300px; margin: 0; color: var(--muted); font-size: 14px; }

.experience-section {
  padding-block: 80px 150px;
  background: linear-gradient(180deg, transparent, rgba(12,30,58,.42) 50%, transparent);
}
.experience-grid,
.tier-grid {
  display: grid;
  grid-template-columns: minmax(0,1.18fr) minmax(390px,.82fr);
  gap: 72px;
  align-items: center;
}
.image-frame {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: #0b1a2f;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.image-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.035);
  pointer-events: none;
}
.image-frame img { height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.image-frame:hover img { transform: scale(1.025); }
.image-frame-tall { aspect-ratio: 1.08 / 1; }
.image-frame-tall img { object-position: center; }
.image-frame-wide { aspect-ratio: 1.66 / 1; }
.image-frame figcaption {
  position: absolute;
  left: 22px;
  bottom: 18px;
  z-index: 2;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  color: #dbeeff;
  background: rgba(3,11,24,.7);
  backdrop-filter: blur(10px);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.experience-copy > p:not(.eyebrow) { color: var(--muted); }
.journey-list {
  display: grid;
  gap: 0;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}
.journey-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 17px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.journey-list li:last-child { border-bottom: 1px solid var(--line); }
.journey-list li > span {
  color: var(--blue-bright);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .12em;
}
.journey-list strong { display: block; color: #fff; font-size: 16px; }
.journey-list p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }

.layout-section {
  background:
    radial-gradient(circle at 70% 30%, rgba(29,107,214,.15), transparent 33rem),
    #071425;
}
.orientation-tabs {
  display: inline-grid;
  grid-template-columns: repeat(2,minmax(220px,1fr));
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(0,0,0,.18);
}
.orientation-tab {
  min-height: 72px;
  padding: 12px 20px;
  border: 0;
  border-radius: 13px;
  color: #aebed2;
  background: transparent;
  text-align: left;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, box-shadow .2s ease;
}
.orientation-tab span {
  display: block;
  margin-bottom: 2px;
  color: #6e8cb0;
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.orientation-tab.is-active {
  color: #fff;
  background: linear-gradient(135deg, rgba(25,106,226,.92), rgba(56,139,247,.78));
  box-shadow: 0 10px 26px rgba(18,104,232,.22);
}
.orientation-tab.is-active span { color: #d7ecff; }
.orientation-stage {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 55px;
  align-items: center;
  min-height: 510px;
  margin-top: 24px;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 82% 25%, rgba(56,139,247,.12), transparent 45%),
    rgba(255,255,255,.028);
  overflow: hidden;
}
.orientation-label {
  display: inline-flex;
  padding: 8px 12px;
  border: 1px solid rgba(85,168,255,.24);
  border-radius: 999px;
  color: var(--sky);
  background: rgba(18,104,232,.09);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.orientation-copy h3 {
  margin: 22px 0 15px;
  color: #fff;
  font-size: clamp(34px,4vw,56px);
  letter-spacing: 0;
  line-height: 1;
}
.orientation-copy > p { margin: 0; color: var(--muted); font-size: 16px; }
.orientation-stats {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 8px;
  margin-top: 35px;
}
.orientation-stats > div {
  padding: 16px 13px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.035);
}
.orientation-stats strong { display: block; color: #fff; font-size: 25px; letter-spacing: -.04em; }
.orientation-stats span { display: block; color: #7f94ad; font-size: 10px; font-weight: 720; text-transform: uppercase; }

.cabin-diagram { min-width: 0; }
.fuselage-shell {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 92px 1fr;
  min-height: 390px;
  padding: 34px 25px;
  border: 2px solid rgba(185,219,255,.38);
  border-radius: 150px 150px 70px 70px / 75px 75px 60px 60px;
  background: linear-gradient(180deg, rgba(183,215,248,.1), rgba(4,14,30,.6));
  box-shadow: inset 0 0 55px rgba(119,180,241,.08);
  overflow: hidden;
}
.fuselage-shell::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px dashed rgba(169,213,255,.12);
  border-radius: inherit;
  pointer-events: none;
}
.pod-bank {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-rows: repeat(6,1fr);
  gap: 9px;
  padding: 12px 7px;
}
.pod-bank::before,
.pod-bank::after,
.pod-bank-left span,
.pod-bank-right span { content: ""; }
.pod-bank > i,
.pod-bank::before,
.pod-bank::after {
  display: block;
  min-height: 38px;
  border: 1px solid rgba(139,200,255,.33);
  border-radius: 12px;
  background:
    linear-gradient(90deg, rgba(80,166,255,.27) 0 18%, rgba(243,249,255,.92) 18% 88%, rgba(74,144,226,.2) 88%),
    #e9f5ff;
  box-shadow: 0 5px 12px rgba(0,0,0,.18);
}
.pod-bank-left > i,
.pod-bank-left::before,
.pod-bank-left::after { border-radius: 26px 11px 11px 26px; }
.pod-bank-right > i,
.pod-bank-right::before,
.pod-bank-right::after { border-radius: 11px 26px 26px 11px; }
.aisle {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 5px 8px;
  border: 1px solid rgba(85,168,255,.18);
  border-radius: 18px;
  background:
    repeating-linear-gradient(180deg, rgba(92,167,247,.13) 0 2px, transparent 2px 31px),
    rgba(3,12,25,.75);
}
.aisle::after {
  content: "";
  position: absolute;
  width: 2px;
  inset: 22px auto;
  background: linear-gradient(180deg, transparent, var(--blue-bright), transparent);
  opacity: .75;
}
.aisle span {
  position: relative;
  z-index: 2;
  color: #7ca3cd;
  writing-mode: vertical-rl;
  font-size: 9px;
  font-weight: 850;
  letter-spacing: .18em;
}
.diagram-key {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 14px;
  color: #7f93aa;
  font-size: 11px;
  font-weight: 700;
}
.diagram-key span { display: inline-flex; align-items: center; gap: 7px; }
.diagram-key i { display: inline-block; width: 18px; height: 8px; border-radius: 4px; }
.key-pod { background: #d6ecff; }
.key-aisle { background: #1b6ee0; }

/* Parallel orientation transforms the diagram into long fore-aft lanes. */
.orientation-stage[data-orientation="parallel"] .pod-bank {
  grid-template-rows: repeat(2,1fr);
  grid-template-columns: repeat(2,1fr);
  gap: 10px;
}
.orientation-stage[data-orientation="parallel"] .pod-bank > i,
.orientation-stage[data-orientation="parallel"] .pod-bank::before,
.orientation-stage[data-orientation="parallel"] .pod-bank::after {
  min-height: 0;
  border-radius: 15px;
  background:
    linear-gradient(180deg, rgba(80,166,255,.25) 0 16%, rgba(243,249,255,.92) 16% 88%, rgba(74,144,226,.2) 88%),
    #e9f5ff;
}

.layout-image-grid {
  display: grid;
  grid-template-columns: 1.45fr .55fr;
  gap: 22px;
  margin-top: 22px;
}
.design-verdict {
  padding: 34px;
  border: 1px solid rgba(90,170,255,.26);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(17,88,190,.24), rgba(255,255,255,.035));
}
.design-verdict h3 { margin: 0 0 13px; color: #fff; font-size: 31px; line-height: 1.05; letter-spacing: .01em; }
.design-verdict > p:not(.eyebrow) { color: var(--muted); }
.check-list { display: grid; gap: 12px; margin: 25px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 25px; color: #d8e7f8; font-size: 14px; }
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .48em;
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--success);
  border-bottom: 2px solid var(--success);
  transform: rotate(-45deg);
}

.capacity-section {
  background:
    linear-gradient(180deg, #071425, rgba(8,24,48,.96)),
    var(--ink-2);
}
.calculator {
  display: grid;
  grid-template-columns: minmax(0,.9fr) minmax(420px,1.1fr);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.027);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.calculator-controls { padding: 42px; }
.calculator-controls fieldset { margin: 0 0 27px; padding: 0; border: 0; }
.calculator-controls legend,
.range-control > span strong {
  margin-bottom: 10px;
  color: #dfeeff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.segmented-control {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0,0,0,.2);
}
.segmented-three { grid-template-columns: repeat(3,1fr); }
.segment {
  min-height: 45px;
  padding: 9px 13px;
  border: 0;
  border-radius: 10px;
  color: #8fa4bd;
  background: transparent;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: color .2s ease, background .2s ease, box-shadow .2s ease;
}
.segment.is-active {
  color: #fff;
  background: rgba(31,113,230,.88);
  box-shadow: 0 7px 18px rgba(18,104,232,.22);
}
.range-control { display: block; margin-top: 25px; }
.range-control > span { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.range-control output { color: var(--sky); font-size: 13px; font-weight: 850; }
.range-control input[type="range"] {
  width: 100%;
  height: 6px;
  margin: 12px 0 6px;
  appearance: none;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue) var(--range-progress,50%), rgba(255,255,255,.12) var(--range-progress,50%));
  outline: none;
}
.range-control input[type="range"]::-webkit-slider-thumb {
  width: 19px;
  height: 19px;
  appearance: none;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 4px 15px rgba(0,0,0,.38);
  cursor: grab;
}
.range-control input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 4px 15px rgba(0,0,0,.38);
  cursor: grab;
}
.range-control small { display: block; color: #73879f; font-size: 11px; line-height: 1.5; }
.text-button {
  margin-top: 29px;
  padding: 0;
  border: 0;
  color: #8cbef8;
  background: transparent;
  font-size: 12px;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
  cursor: pointer;
}
.text-button:hover { color: #fff; }

.calculator-output {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 50px;
  border-left: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 32%, rgba(38,124,242,.25), transparent 39%),
    linear-gradient(145deg, rgba(11,31,64,.95), rgba(4,15,31,.9));
}
.result-kicker {
  color: #7ea7d3;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.capacity-gauge {
  --progress: 73.9%;
  position: relative;
  display: grid;
  place-items: center;
  width: min(260px,70vw);
  aspect-ratio: 1;
  margin: 17px 0 18px;
  border-radius: 50%;
  background: conic-gradient(var(--blue-bright) 0 var(--progress), rgba(255,255,255,.085) var(--progress) 100%);
  box-shadow: 0 0 65px rgba(31,117,239,.17);
}
.capacity-gauge::before {
  content: "";
  position: absolute;
  inset: 13px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 50%;
  background: radial-gradient(circle, #0b2041 0%, #08162b 68%);
}
.capacity-gauge > div { position: relative; z-index: 1; text-align: center; }
.capacity-gauge strong {
  display: block;
  color: #fff;
  font-size: clamp(68px,8vw,104px);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.075em;
  line-height: .88;
}
.capacity-gauge span { color: #91a9c4; font-size: 12px; font-weight: 750; text-transform: uppercase; }
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 11px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.status-recommended { color: var(--success); background: rgba(121,230,190,.07); }
.status-premium { color: var(--sky); background: rgba(85,168,255,.08); }
.status-risk { color: var(--risk); background: rgba(255,143,150,.08); }
.status-access { color: var(--warning); background: rgba(255,204,122,.08); }
.formula {
  min-height: 25px;
  margin: 19px 0 24px;
  color: #9eb7d3;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  text-align: center;
}
.result-details {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  width: 100%;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.result-details > div { padding: 18px 12px; border-right: 1px solid var(--line); text-align: center; }
.result-details > div:last-child { border-right: 0; }
.result-details span { display: block; min-height: 32px; color: #7189a3; font-size: 9px; font-weight: 740; line-height: 1.25; text-transform: uppercase; }
.result-details strong { display: block; margin-top: 6px; color: #fff; font-size: 22px; font-variant-numeric: tabular-nums; }
.capacity-scale { width: 100%; margin-top: 27px; }
.scale-row {
  display: grid;
  grid-template-columns: 105px 1fr 34px;
  gap: 10px;
  align-items: center;
  margin: 9px 0;
  color: #7890aa;
  font-size: 10px;
  font-weight: 720;
}
.scale-row strong { text-align: right; color: #a8bcd3; font-variant-numeric: tabular-nums; }
.scale-track { height: 6px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.scale-track i { display: block; width: var(--bar); height: 100%; border-radius: inherit; background: #527397; transition: width .35s ease; }
.scale-row-active { color: #dbeeff; }
.scale-row-active strong { color: #fff; }
.scale-row-active .scale-track i { background: linear-gradient(90deg, var(--blue), var(--blue-bright)); }
.model-note {
  max-width: 900px;
  margin: 24px auto 0;
  color: #70849a;
  font-size: 11px;
  text-align: center;
}
.model-note strong { color: #a5b8ce; }

.tier-section { padding-block: 150px; }
.tier-copy .lede { margin-bottom: 30px; }
.tier-cards { display: grid; gap: 12px; }
.tier-cards article {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  padding: 22px;
  border: 1px solid rgba(121,230,190,.18);
  border-radius: 18px;
  background: rgba(121,230,190,.045);
}
.tier-cards .tier-card-risk { border-color: rgba(255,143,150,.18); background: rgba(255,143,150,.045); }
.tier-number {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid var(--line-strong);
  border-radius: 17px;
  color: #fff;
  background: rgba(255,255,255,.045);
  font-size: 28px;
  font-weight: 850;
}
.tier-cards h3 { margin: 2px 0 4px; color: #fff; font-size: 17px; letter-spacing: .04em; }
.tier-cards p { margin: 0; color: var(--muted); font-size: 13px; }
.tier-copy blockquote {
  margin: 30px 0 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--blue-bright);
  color: #cfe1f5;
  font-size: 16px;
  font-weight: 620;
  line-height: 1.55;
}

.gallery-section { padding-top: 30px; }
.gallery-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 20px; }
.gallery-card {
  position: relative;
  min-height: 520px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.gallery-card img { height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.gallery-card:hover img { transform: scale(1.035); }
.gallery-card::after {
  content: "";
  position: absolute;
  inset: 45% 0 0;
  background: linear-gradient(180deg, transparent, rgba(2,9,19,.93));
}
.gallery-card figcaption {
  position: absolute;
  z-index: 2;
  left: 30px;
  right: 30px;
  bottom: 26px;
}
.gallery-card figcaption strong { display: block; color: #fff; font-size: 24px; letter-spacing: .015em; }
.gallery-card figcaption span { color: #a9bed6; font-size: 14px; }
.gallery-card:not(.gallery-card-large) img { object-position: center; }

.routes-section {
  background:
    radial-gradient(circle at 55% 45%, rgba(23,99,207,.13), transparent 30rem),
    linear-gradient(180deg, transparent, rgba(8,25,50,.65), transparent);
}
.route-board {
  position: relative;
  min-height: 520px;
  padding: 55px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 0%, rgba(47,128,240,.22), transparent 50%),
    linear-gradient(180deg, #0a2449, #071629);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.route-sky { position: absolute; inset: 0; overflow: hidden; }
.route-star { position: absolute; width: 3px; height: 3px; border-radius: 50%; background: #d9efff; box-shadow: 0 0 12px #85c8ff; }
.route-star-one { left: 17%; top: 25%; }
.route-star-two { left: 62%; top: 18%; }
.route-star-three { right: 15%; top: 36%; }
.route-arc {
  position: absolute;
  left: 18%;
  right: 18%;
  height: 310px;
  border-top: 1px solid rgba(110,181,255,.34);
  border-radius: 50%;
  transform-origin: center;
}
.route-arc-one { top: 31%; transform: rotate(4deg); }
.route-arc-two { top: 38%; transform: rotate(-4deg); opacity: .7; }
.route-arc-three { top: 43%; transform: rotate(1deg); opacity: .35; }
.route-cities {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 120px 1fr;
  align-items: center;
  min-height: 330px;
}
.route-origin,
.route-destination { display: flex; flex-direction: column; gap: 12px; }
.route-destination { align-items: flex-end; }
.route-origin span,
.route-destination span {
  color: #fff;
  font-size: clamp(38px,5vw,72px);
  font-weight: 850;
  letter-spacing: -.06em;
  line-height: .95;
}
.route-origin span:not(:first-child),
.route-destination span:not(:first-child) { color: rgba(255,255,255,.38); }
.route-plane {
  display: grid;
  place-items: center;
  width: 78px;
  height: 78px;
  margin: auto;
  border: 1px solid rgba(125,193,255,.32);
  border-radius: 50%;
  color: #fff;
  background: rgba(24,102,214,.55);
  box-shadow: 0 0 45px rgba(50,140,255,.25);
  font-size: 27px;
}
.route-footer {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  border-top: 1px solid var(--line);
}
.route-footer > div { padding: 22px 20px 0; border-right: 1px solid var(--line); }
.route-footer > div:first-child { padding-left: 0; }
.route-footer > div:last-child { border-right: 0; }
.route-footer strong { display: block; color: var(--blue-bright); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.route-footer span { color: #b9cce1; font-size: 13px; }

.safety-section { padding-block: 150px; }
.safety-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.safety-grid .section-heading { position: sticky; top: 145px; }
.safety-grid .section-heading .lede { color: var(--muted); font-size: 20px; }
.safety-list { border-top: 1px solid var(--line); }
.safety-list article {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 20px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.safety-list article > span { color: var(--blue-bright); font-size: 11px; font-weight: 850; letter-spacing: .13em; }
.safety-list h3 { margin: 0 0 5px; color: #fff; font-size: 22px; letter-spacing: .025em; }
.safety-list p { margin: 0; color: var(--muted); }

.cta-section {
  position: relative;
  min-height: 730px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.cta-media { background-position: center 58%; }
.cta-scrim {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(4,12,27,.92), rgba(4,12,27,.42) 58%, rgba(4,12,27,.53)),
    linear-gradient(180deg, var(--ink), transparent 18%, rgba(4,12,27,.62) 100%);
}
.cta-content { max-width: var(--shell); }
.cta-cloud { width: 74px; fill: var(--blue-bright); margin-bottom: 24px; }
.cta-content h2 { font-size: clamp(60px,8vw,112px); }
.cta-content > p:not(.eyebrow) { max-width: 650px; color: #d3e4f6; font-size: 20px; }

.site-footer {
  padding: 70px 0;
  border-top: 1px solid var(--line);
  background: #050d1a;
}
.footer-grid {
  display: grid;
  grid-template-columns: .8fr .6fr 1.2fr;
  gap: 60px;
  align-items: start;
}
.footer-brand { margin-bottom: 12px; }
.site-footer p { margin: 0; color: #6f8299; font-size: 13px; letter-spacing: .04em; }
.footer-note p { letter-spacing: normal; }
.site-footer nav { display: grid; gap: 10px; }
.site-footer nav a { color: #aebed2; text-decoration: none; font-size: 13px; font-weight: 700; }
.site-footer nav a:hover { color: #fff; }
.footer-note { display: grid; gap: 17px; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible { opacity: 1; transform: none; }

:focus-visible { outline: 3px solid rgba(85,168,255,.8); outline-offset: 4px; }

@media (max-width: 1050px) {
  :root { --header-h: 70px; }
  .primary-nav { gap: 19px; }
  .primary-nav a { font-size: 13px; }
  .hero-content { padding-bottom: 220px; }
  .hero-metrics { grid-template-columns: repeat(2,1fr); }
  .hero-metrics > div:nth-child(2) { border-right: 0; }
  .hero-metrics > div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.11); }
  .intro-grid { gap: 55px; }
  .experience-grid, .tier-grid { grid-template-columns: 1fr; }
  .image-frame-tall { aspect-ratio: 1.5 / 1; }
  .orientation-stage { grid-template-columns: 1fr; }
  .cabin-diagram { width: 100%; max-width: 700px; margin: auto; }
  .layout-image-grid { grid-template-columns: 1fr; }
  .design-verdict { display: grid; grid-template-columns: 1fr 1fr; column-gap: 35px; align-items: start; }
  .design-verdict .eyebrow, .design-verdict h3 { grid-column: 1; }
  .design-verdict > p:not(.eyebrow) { grid-column: 1; }
  .design-verdict .check-list { grid-column: 2; grid-row: 1 / span 4; }
  .calculator { grid-template-columns: 1fr; }
  .calculator-output { border-left: 0; border-top: 1px solid var(--line); }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-card { min-height: 480px; }
  .safety-grid { gap: 55px; }
}

@media (max-width: 820px) {
  .site-header { padding-inline: 20px; }
  .nav-toggle { display: flex; }
  .primary-nav {
    position: fixed;
    inset: calc(var(--announcement-h) + var(--header-h)) 0 0;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 25px 20px 40px;
    background: #050e1d;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform .28s ease, opacity .28s ease, visibility .28s ease;
  }
  .primary-nav.is-open { transform: translateX(0); opacity: 1; visibility: visible; }
  .primary-nav a {
    padding: 17px 3px;
    border-bottom: 1px solid var(--line);
    font-size: 18px;
  }
  .primary-nav .nav-cta { margin-top: 22px; border: 1px solid rgba(255,255,255,.2); text-align: center; }
  .primary-nav > a:not(.nav-cta)::after { display: none; }
  .hero-media { background-position: 61% center; }
  .hero-scrim { background: linear-gradient(90deg, rgba(2,9,19,.96), rgba(3,11,24,.62)), linear-gradient(180deg, transparent 35%, rgba(3,10,23,.88)); }
  .hero-content { justify-content: flex-end; padding-block: 130px 330px; }
  .hero h1 { font-size: clamp(68px,18vw,110px); }
  .hero-metrics { bottom: 34px; }
  .section { padding-block: 95px; }
  .intro { padding-top: 115px; }
  .intro-grid,
  .split-heading,
  .safety-grid { grid-template-columns: 1fr; gap: 35px; }
  .split-heading { margin-bottom: 40px; }
  .stat-grid { grid-template-columns: 1fr; }
  .stat-card { min-height: 220px; }
  .section-heading h2,
  .experience-copy h2,
  .tier-copy h2 { font-size: clamp(43px,11vw,66px); }
  .orientation-tabs { width: 100%; }
  .orientation-stage { padding: 30px; }
  .fuselage-shell { min-height: 340px; grid-template-columns: 1fr 68px 1fr; }
  .orientation-stats { grid-template-columns: 1fr; }
  .design-verdict { display: block; }
  .calculator-controls, .calculator-output { padding: 30px; }
  .result-details { grid-template-columns: repeat(2,1fr); }
  .result-details > div:nth-child(2) { border-right: 0; }
  .result-details > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .route-board { padding: 35px; }
  .route-cities { grid-template-columns: 1fr 80px 1fr; }
  .route-footer { grid-template-columns: 1fr; }
  .route-footer > div { padding: 16px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .route-footer > div:last-child { border-bottom: 0; }
  .safety-grid .section-heading { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-note { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  :root { --announcement-h: 28px; --header-h: 64px; }
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .announcement { font-size: 9px; letter-spacing: .09em; }
  .brand { font-size: 20px; }
  .brand-mark { width: 36px; }
  .hero { min-height: 900px; }
  .hero-content { min-height: 900px; padding: 145px 0 390px; justify-content: flex-end; }
  .hero h1 { font-size: clamp(64px,20vw,92px); }
  .hero-copy { margin-top: 25px; font-size: 18px; }
  .hero-actions { width: 100%; }
  .button { width: 100%; }
  .hero-metrics { grid-template-columns: 1fr 1fr; bottom: 23px; }
  .hero-metrics > div { padding: 18px 15px; }
  .hero-metrics strong { font-size: 23px; }
  .hero-metrics span { font-size: 9px; }
  .stat-grid { margin-top: 50px; }
  .experience-grid, .tier-grid { gap: 42px; }
  .image-frame-tall { aspect-ratio: .95 / 1; }
  .image-frame-tall img { object-position: center; }
  .orientation-tabs { grid-template-columns: 1fr; }
  .orientation-stage { padding: 22px; border-radius: 26px; }
  .orientation-copy h3 { font-size: 40px; }
  .fuselage-shell { min-height: 290px; padding: 22px 13px; grid-template-columns: 1fr 50px 1fr; border-radius: 100px 100px 45px 45px / 55px 55px 38px 38px; }
  .pod-bank { gap: 6px; padding: 8px 3px; }
  .aisle { margin-inline: 3px; }
  .aisle span { font-size: 7px; }
  .diagram-key { font-size: 9px; }
  .layout-image-grid { margin-top: 14px; }
  .image-frame-wide { aspect-ratio: 1 / .78; }
  .calculator { border-radius: 26px; }
  .calculator-controls, .calculator-output { padding: 24px 20px; }
  .segmented-control { grid-template-columns: 1fr; }
  .segmented-three { grid-template-columns: repeat(3,1fr); }
  .capacity-gauge { width: 230px; }
  .result-details span { font-size: 8px; }
  .scale-row { grid-template-columns: 88px 1fr 30px; }
  .tier-cards article { grid-template-columns: 50px 1fr; padding: 18px; }
  .tier-number { width: 48px; height: 48px; border-radius: 14px; }
  .gallery-card { min-height: 410px; border-radius: 26px; }
  .route-board { min-height: 540px; padding: 28px 22px; border-radius: 26px; }
  .route-cities { grid-template-columns: 1fr 50px 1fr; min-height: 315px; }
  .route-plane { width: 48px; height: 48px; }
  .route-origin span, .route-destination span { font-size: 39px; }
  .safety-list article { grid-template-columns: 40px 1fr; }
  .cta-section { min-height: 700px; }
  .cta-content h2 { font-size: clamp(58px,18vw,86px); }
  .footer-grid { grid-template-columns: 1fr; gap: 35px; }
  .footer-note { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}
.orientation-stage[data-orientation="parallel"] .pod-bank > i:nth-of-type(n+3) { display: none; }
/* Preserve horizontal centering when the reveal animation is applied. */
.hero-metrics.reveal { transform: translate(-50%, 24px); }
.hero-metrics.reveal.is-visible { transform: translateX(-50%); }