/* ============================================================
   Halcyon Air / v2
   Direction: "The page is the trip." Restrained cinematic, 5 of 10.
   Flight deck, not lounge. Near black ground, one cool signal blue.
   ============================================================ */

/* ---- 1. tokens ------------------------------------------- */
:root {
  --ink: #04060A;
  --ink-2: #080C12;
  --panel: #0B1018;
  --panel-2: #0E141D;
  --line: #19212C;
  --line-2: #26303E;
  --line-ui: #5C6A7B;   /* interactive control boundaries, 3:1 against the panel per 1.4.11 */
  --txt: #E9EEF5;
  --txt-2: #A3B0BF;
  --txt-3: #7E8C9C;
  --signal: #3FA0FF;
  --signal-dim: #1B5C96;
  --signal-ink: #04121F;
  --signal-wash: rgba(63, 160, 255, 0.10);

  --sans: "Chivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --shell: 1240px;
  --gut: 22px;

  --t-xxl: clamp(2.3rem, 5.3vw, 4.05rem);
  --t-xl: clamp(1.75rem, 3.2vw, 2.7rem);
  --t-lg: clamp(1.18rem, 1.7vw, 1.45rem);
  --t-md: 1rem;
  --t-sm: 0.875rem;
  --t-xs: 0.75rem;
  --t-mono: 0.705rem;

  --e-out: cubic-bezier(0.16, 1, 0.3, 1);
  --d-1: 0.22s;
  --d-2: 0.45s;
}

@media (min-width: 760px) { :root { --gut: 34px; } }

/* ---- 2. base --------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--txt);
  font-family: var(--sans);
  font-size: var(--t-md);
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { margin: 0; font-weight: 500; line-height: 1.05; letter-spacing: -0.022em; }
p, figure, figcaption, dl, dd, fieldset { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

a { color: var(--signal); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 1px;
}

::selection { background: var(--signal); color: var(--signal-ink); }

.skip {
  position: absolute;
  left: 14px;
  top: -70px;
  z-index: 120;
  background: var(--signal);
  color: var(--signal-ink);
  padding: 10px 16px;
  font: 500 var(--t-sm)/1 var(--sans);
  transition: top var(--d-1) var(--e-out);
}
.skip:focus { top: 14px; text-decoration: none; }

.vh {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip-path: inset(50%);
  overflow: hidden; white-space: nowrap;
}

/* ---- 3. shell and rails ---------------------------------- */
.shell {
  width: min(var(--shell), 100% - (var(--gut) * 2));
  margin-inline: auto;
  position: relative;
}

.rails {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  display: none;
}
@media (min-width: 1100px) {
  .rails { display: block; }
  .rails::before, .rails::after {
    content: "";
    position: absolute;
    top: 0; bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--line) 12%, var(--line) 88%, transparent);
  }
  .rails::before { left: calc(50% - (min(var(--shell), 100vw - 68px) / 2)); }
  .rails::after { right: calc(50% - (min(var(--shell), 100vw - 68px) / 2)); }
}

.mono {
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.lbl {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--txt-3);
  margin-bottom: 22px;
}
.lbl::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.lbl b { color: var(--signal); font-weight: 500; }

/* ---- 4. header ------------------------------------------- */
.hdr {
  position: relative;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(4, 6, 10, 0.78);
  backdrop-filter: blur(10px);
}
.hdr__in {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 62px;
  padding-block: 10px;
}
.mark {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--txt);
  text-decoration: none;
  flex: 0 0 auto;
}
.mark:hover { text-decoration: none; }
.mark__type {
  font-size: 0.97rem;
  font-weight: 600;
  letter-spacing: 0.005em;
}
.mark__tag {
  color: var(--txt-3);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding-left: 9px;
  border-left: 1px solid var(--line-2);
  display: none;
}
@media (min-width: 560px) { .mark__tag { display: inline; } }

.nav { display: none; margin-left: auto; gap: 26px; }
@media (min-width: 900px) { .nav { display: flex; } }
.nav a {
  color: var(--txt-2);
  font-size: var(--t-sm);
  text-decoration: none;
  padding-block: 4px;
  position: relative;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1px;
  background: var(--signal);
  transition: right var(--d-2) var(--e-out);
}
.nav a:hover { color: var(--txt); text-decoration: none; }
.nav a:hover::after { right: 0; }

.hdr .btn { margin-left: auto; }
@media (min-width: 900px) { .hdr .btn { margin-left: 0; } }

/* ---- 5. buttons ------------------------------------------ */
.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 12px 20px;
  border: 1px solid var(--line-ui);
  background: var(--panel-2);
  color: var(--txt);
  font-size: var(--t-sm);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border-radius: 2px;
  transition: background var(--d-1) var(--e-out), border-color var(--d-1) var(--e-out);
}
.btn:hover { text-decoration: none; border-color: var(--signal-dim); background: #121A25; }
.btn__promise {
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--txt-3);
}
.btn--primary {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--signal-ink);
}
.btn--primary:hover { background: #6DB7FF; border-color: #6DB7FF; }
.btn--primary .btn__promise { color: rgba(4, 18, 31, 0.78); }
.btn--sm { padding: 8px 14px; font-size: 0.82rem; }
.btn--sm .btn__promise { display: none; }
@media (min-width: 700px) { .btn--sm .btn__promise { display: block; } }
.btn--wide { align-items: center; text-align: center; width: 100%; }
.btn--ghost { background: transparent; }

/* ---- 6. deck / hero -------------------------------------- */
.deck {
  position: relative;
  padding-top: clamp(28px, 3.4vw, 44px);
  padding-bottom: clamp(44px, 5vw, 70px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.atmos {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
/* static first frame: correct with scripts disabled */
.atmos__base {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 78% at 72% 0%, rgba(63, 160, 255, 0.13), transparent 58%),
    radial-gradient(92% 62% at 10% 96%, rgba(27, 92, 150, 0.16), transparent 62%),
    linear-gradient(180deg, #06090F 0%, var(--ink) 62%);
}
.atmos__grid {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(38, 48, 62, 0.42) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(0deg, rgba(38, 48, 62, 0.28) 0 1px, transparent 1px 84px);
  -webkit-mask-image: radial-gradient(86% 70% at 50% 24%, #000 0%, transparent 78%);
  mask-image: radial-gradient(86% 70% at 50% 24%, #000 0%, transparent 78%);
  opacity: 0.6;
}
.atmos__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}
.deck .shell { z-index: 2; }

.deck__head { max-width: 62ch; }
.eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  color: var(--txt-3);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(18px, 2.4vw, 28px);
}
.eyebrow span + span { padding-left: 16px; border-left: 1px solid var(--line-2); }
.dot {
  width: 6px; height: 6px;
  background: var(--signal);
  border-radius: 50%;
  flex: 0 0 auto;
}
@media (prefers-reduced-motion: no-preference) {
  .dot { animation: pulse 3.4s ease-in-out infinite; }
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.32; } }

.deck__title {
  font-size: var(--t-xxl);
  font-weight: 500;
  max-width: 15ch;
}
.deck__title em { font-style: normal; color: var(--txt-3); }
.deck__lead {
  margin-top: 16px;
  color: var(--txt-2);
  font-size: var(--t-lg);
  line-height: 1.4;
  max-width: 46ch;
  font-weight: 400;
}

/* ---- 7. the rig (trip instrument) ------------------------ */
.rig {
  margin-top: clamp(24px, 2.8vw, 36px);
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 960px) {
  .rig {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: 24px;
  }
}

.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.card::before, .card::after {
  content: "";
  position: absolute;
  width: 5px; height: 5px;
  border: 1px solid var(--signal-dim);
  pointer-events: none;
}
.card::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.card::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.card__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 12px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--txt-3);
}
.card__bar b { color: var(--txt-2); font-weight: 500; }
.card__body { padding: 16px; }
@media (min-width: 700px) { .card__body { padding: 20px; } }

/* fields */
.fields {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 520px) {
  .fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .f--full { grid-column: 1 / -1; }
}
.f { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.f > label {
  color: var(--txt-3);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
}
.f input,
.f select,
.f textarea {
  width: 100%;
  background: var(--ink-2);
  border: 1px solid var(--line-ui);
  border-radius: 2px;
  color: var(--txt);
  font-family: var(--sans);
  font-size: 0.97rem;
  padding: 11px 12px;
  min-height: 44px;
  transition: border-color var(--d-1) var(--e-out), background var(--d-1) var(--e-out);
  font-variant-numeric: tabular-nums;
}
.f textarea { min-height: 96px; resize: vertical; line-height: 1.5; }
.f input::placeholder, .f textarea::placeholder { color: #6B7785; }
.f input:hover, .f select:hover, .f textarea:hover { border-color: #7B8A9B; }
.f input:focus, .f select:focus, .f textarea:focus {
  border-color: var(--signal);
  background: var(--panel-2);
  outline: none;
}
.f input:focus-visible, .f select:focus-visible, .f textarea:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
.f__hint { color: var(--txt-3); font-size: var(--t-xs); min-height: 1.1em; line-height: 1.35; }

.quick { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; margin-top: 2px; }
.quick__k { color: var(--txt-3); margin-right: 2px; }
.quick__b {
  background: transparent;
  border: 1px solid var(--line-ui);
  border-radius: 2px;
  color: var(--txt-2);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 10px;
  min-height: 30px;
  cursor: pointer;
  transition: border-color var(--d-1) var(--e-out), color var(--d-1) var(--e-out), background var(--d-1) var(--e-out);
}
.quick__b:hover { border-color: var(--signal); color: var(--txt); background: var(--signal-wash); }
.f__hint--live { color: var(--signal); }
.f input[aria-invalid="true"] { border-color: #E08A46; }

.stepper { display: flex; align-items: stretch; }
.stepper input {
  border-radius: 0;
  text-align: center;
  border-left: 0;
  border-right: 0;
  -moz-appearance: textfield;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.stepper button {
  width: 46px;
  flex: 0 0 46px;
  background: var(--ink-2);
  border: 1px solid var(--line-ui);
  color: var(--txt-2);
  cursor: pointer;
  font-size: 1.05rem;
  line-height: 1;
  border-radius: 2px 0 0 2px;
  transition: background var(--d-1) var(--e-out), color var(--d-1) var(--e-out);
}
.stepper button:last-of-type { border-radius: 0 2px 2px 0; }
.stepper button:hover { background: #141C27; color: var(--txt); }

.rig__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.rig__acts .btn { flex: 1 1 210px; }
.linkish {
  background: none;
  border: 0;
  padding: 8px 4px;
  color: var(--txt-3);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--line-2);
}
.linkish:hover { color: var(--txt); }

/* ---- 8. plot --------------------------------------------- */
.plot { display: flex; flex-direction: column; }
.plot .card__body { padding: 8px; flex: 1; display: flex; flex-direction: column; }
.plot__svg { width: 100%; height: auto; display: block; }
.plot__ring { fill: none; stroke: var(--line-2); stroke-width: 1; }
.plot__ring--out { stroke: #313D4C; }
.plot__tick { stroke: var(--line-2); stroke-width: 1; }
.plot__rose { fill: var(--txt-3); font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; }
.plot__rlab { fill: var(--txt-3); font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; }
.plot__leg { fill: none; stroke: var(--signal); stroke-width: 1.6; stroke-linecap: round; }
.plot__pos { fill: none; stroke: var(--signal-dim); stroke-width: 1.3; stroke-dasharray: 3 5; }
.plot__base { fill: var(--txt); }
.plot__node { fill: var(--signal); }
.plot__halo { fill: none; stroke: var(--signal); stroke-width: 1; opacity: 0.45; }
.plot__name { fill: var(--txt); font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; }
.plot__sub { fill: var(--txt-3); font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; }
.plot__cap {
  padding: 10px 10px 4px;
  color: var(--txt-3);
  font-size: var(--t-xs);
  line-height: 1.45;
  border-top: 1px solid var(--line);
  margin-top: auto;
}

/* ---- 9. answer band -------------------------------------- */
.answer {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background:
    linear-gradient(180deg, rgba(63, 160, 255, 0.055), transparent 70%),
    var(--panel-2);
  position: relative;
}
.answer__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--txt-3);
}
.answer__bar b { color: var(--txt); font-weight: 500; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--signal-dim);
  color: var(--signal);
  background: var(--signal-wash);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 2px;
}
.chip--mute { border-color: var(--line-2); color: var(--txt-3); background: transparent; }

.reads { display: grid; grid-template-columns: minmax(0, 1fr); }
.read {
  padding: 16px;
  border-top: 1px solid var(--line);
  min-height: 108px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.reads .read:first-child { border-top: 0; }

@media (min-width: 560px) {
  .reads { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reads .read { border-right: 1px solid var(--line); min-height: 124px; }
  .reads .read:nth-child(even) { border-right: 0; }
  .reads .read:nth-child(-n+2) { border-top: 0; }
}

@media (min-width: 880px) {
  .reads { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .reads .read { border-top: 0; border-right: 1px solid var(--line); }
  .reads .read:last-child { border-right: 0; }
}
.read__k { color: var(--txt-3); }
.read__v {
  font-size: clamp(1.4rem, 3.2vw, 1.95rem);
  line-height: 1.05;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--txt);
}
.read__v small { font-size: 0.5em; color: var(--txt-3); letter-spacing: 0.06em; }
.read__n { color: var(--txt-3); font-size: var(--t-xs); line-height: 1.4; margin-top: auto; }
.read__v.read--wide { font-size: clamp(1.02rem, 2.1vw, 1.3rem); line-height: 1.22; }

.method {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  color: var(--txt-3);
  font-size: var(--t-xs);
  line-height: 1.5;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: baseline;
}

/* ---- 10. sections ---------------------------------------- */
.sec {
  padding-block: clamp(62px, 8vw, 112px);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.sec--alt { background: var(--ink-2); }
.sec__head { max-width: 70ch; margin-bottom: clamp(30px, 4vw, 46px); }
.sec__title { font-size: var(--t-xl); max-width: 20ch; }
.sec__sub { margin-top: 14px; color: var(--txt-2); max-width: 54ch; font-size: 1.02rem; }
.sec__live { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; min-height: 26px; }

/* ---- 11. fleet spec rows --------------------------------- */
.spec { border-top: 1px solid var(--line); }
.spec__row { border-bottom: 1px solid var(--line); }
.spec__row[data-fit="no"] .spec__grid { opacity: 0.52; }

.spec__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 5px 18px;
  align-items: center;
  padding: 18px 2px;
  transition: opacity var(--d-2) var(--e-out);
}
@media (min-width: 900px) {
  .spec__grid {
    grid-template-columns: 70px minmax(0, 1fr) 96px minmax(0, 1.55fr) 132px auto;
    gap: 20px;
    padding: 20px 2px;
  }
}
.spec__ix { color: var(--txt-3); font-family: var(--mono); font-size: var(--t-mono); letter-spacing: 0.15em; }
.spec__cat { font-size: 1.1rem; font-weight: 500; letter-spacing: -0.01em; }
.spec__seats { color: var(--txt-2); font-family: var(--mono); font-size: var(--t-xs); letter-spacing: 0.06em; }
.spec__cabin { color: var(--txt-2); font-size: var(--t-sm); line-height: 1.45; }
.spec__state { min-height: 24px; display: flex; align-items: center; }
@media (max-width: 899px) {
  .spec__ix { grid-column: 1; }
  .spec__cat { grid-column: 1; }
  .spec__seats { grid-column: 1; }
  .spec__cabin { grid-column: 1 / -1; margin-top: 4px; }
  .spec__state { grid-column: 1 / -1; margin-top: 4px; }
  .spec__grid > .disc { grid-column: 2; grid-row: 1 / span 3; align-self: start; }
}

.disc {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--line-ui);
  border-radius: 2px;
  color: var(--txt-2);
  padding: 9px 13px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  transition: border-color var(--d-1) var(--e-out), color var(--d-1) var(--e-out);
  white-space: nowrap;
  min-height: 40px;
}
.disc svg { transition: transform var(--d-2) var(--e-out); flex: 0 0 auto; }

.spec__row summary {
  display: grid;
  list-style: none;
  cursor: pointer;
  outline-offset: -3px;
}
.spec__row summary::-webkit-details-marker { display: none; }
.spec__row summary::marker { content: ""; }
.spec__row summary:hover .disc { border-color: var(--signal-dim); color: var(--txt); }
.spec__row summary:focus-visible { outline: 2px solid var(--signal); }
.spec__row details[open] .disc svg { transform: rotate(45deg); }
.spec__row details[open] .disc { border-color: var(--signal-dim); color: var(--txt); }

.spec__panel { padding: 0 0 24px; }
.panel__grid {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel);
  padding: 16px;
}
@media (min-width: 900px) {
  .panel__grid { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); padding: 20px; gap: 26px; }
}
.cabin__svg { width: 100%; height: auto; }
.cabin__cap { margin-top: 10px; color: var(--txt-3); font-size: var(--t-xs); line-height: 1.45; }
.dl { display: grid; grid-template-columns: 108px minmax(0, 1fr); gap: 0 14px; }
.dl dt {
  color: var(--txt-3);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding-block: 9px;
  border-top: 1px solid var(--line);
}
.dl dd {
  margin: 0;
  color: var(--txt-2);
  font-size: var(--t-sm);
  padding-block: 9px;
  border-top: 1px solid var(--line);
  line-height: 1.45;
}
.dl > dt:first-of-type, .dl > dd:nth-of-type(1) { border-top: 0; }

/* cabin schematic parts */
.cb-hull { fill: #0A1018; stroke: var(--line-2); stroke-width: 1.2; }
.cb-inner { fill: none; stroke: var(--line); stroke-width: 1; }
.cb-seat { fill: #121A25; stroke: #2E3A49; stroke-width: 1; }
.cb-seat.is-on { fill: var(--signal); stroke: var(--signal); }
.cb-block { fill: #0D141D; stroke: var(--line-2); stroke-width: 1; }
.cb-txt { fill: var(--txt-3); font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.08em; }
.cb-axis { stroke: var(--line); stroke-width: 1; stroke-dasharray: 2 4; }

/* ---- 12. clock ------------------------------------------- */
.clock { display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr); align-items: center; }
@media (min-width: 820px) { .clock { grid-template-columns: 220px minmax(0, 1fr); gap: 44px; } }
.clock__dial { width: 220px; max-width: 100%; height: auto; }
.dial-track { fill: none; stroke: var(--line-2); stroke-width: 2; }
.dial-arc { fill: none; stroke: var(--signal); stroke-width: 2; stroke-linecap: round; }
.dial-tick { stroke: var(--line-2); stroke-width: 1; }
.dial-k { fill: var(--txt-3); font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em; }
.dial-v { fill: var(--txt); font-family: var(--mono); font-size: 26px; letter-spacing: 0.02em; }

.clock__now { font-size: clamp(1.3rem, 2.6vw, 1.75rem); line-height: 1.3; font-weight: 500; letter-spacing: -0.02em; max-width: 28ch; }
.clock__now b { color: var(--signal); font-weight: 500; font-variant-numeric: tabular-nums; }
.clock__note { margin-top: 14px; color: var(--txt-2); max-width: 48ch; font-size: var(--t-sm); line-height: 1.55; }

/* ---- 13. steps ------------------------------------------- */
.steps {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 2px;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 780px) { .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.step { background: var(--panel); padding: 22px 20px 24px; }
.step__n { color: var(--signal); font-family: var(--mono); font-size: var(--t-mono); letter-spacing: 0.16em; }
.step__h { margin-top: 12px; font-size: 1.12rem; font-weight: 500; }
.step__p { margin-top: 8px; color: var(--txt-2); font-size: var(--t-sm); line-height: 1.55; }

.close {
  margin-top: clamp(28px, 4vw, 44px);
  display: grid;
  gap: 22px;
  align-items: center;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line-2);
  border-radius: 2px;
  background: linear-gradient(112deg, rgba(27, 92, 150, 0.2), rgba(11, 16, 24, 0.2) 62%), var(--panel);
  padding: clamp(22px, 3vw, 34px);
}
@media (min-width: 820px) { .close { grid-template-columns: minmax(0, 1fr) auto; gap: 34px; } }
.close__h { font-size: clamp(1.4rem, 2.6vw, 1.95rem); max-width: 22ch; }
.close__p { margin-top: 12px; color: var(--txt-2); max-width: 48ch; font-size: var(--t-sm); }
.close .btn { padding: 16px 26px; font-size: 1rem; }

/* ---- 14. placeholder frames ------------------------------ */
.holder--strip { min-height: 104px; margin-top: 12px; }
.holder {
  position: relative;
  border: 1px dashed var(--line-2);
  border-radius: 2px;
  background:
    repeating-linear-gradient(135deg, rgba(38, 48, 62, 0.22) 0 1px, transparent 1px 9px),
    var(--ink-2);
  min-height: 132px;
  display: flex;
  align-items: flex-end;
  padding: 14px;
}
.holder span {
  color: var(--txt-3);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  line-height: 1.5;
}

/* ---- 15. footer ------------------------------------------ */
.ftr { padding-block: 40px 52px; }
.ftr__in {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.ftr__c { color: var(--txt-2); font-size: var(--t-sm); }
.ftr__id { color: #737F8D; font-family: var(--mono); font-size: var(--t-mono); letter-spacing: 0.15em; }

/* ---- 16. noscript ---------------------------------------- */
.ns {
  margin-top: 18px;
  border: 1px solid var(--signal-dim);
  border-radius: 2px;
  background: var(--signal-wash);
  padding: 14px 16px;
  color: var(--txt-2);
  font-size: var(--t-sm);
  line-height: 1.55;
}
.ns b {
  display: block;
  color: var(--signal);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 6px;
}

/* ---- 17. request page ------------------------------------ */
.rq { padding-block: clamp(34px, 4vw, 54px) clamp(70px, 8vw, 110px); }
.rq__grid { display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr); align-items: start; }
@media (min-width: 980px) { .rq__grid { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 32px; } }
@media (min-width: 980px) { .rq__side { position: sticky; top: 24px; } }
.rq__side { display: grid; gap: 20px; align-content: start; }
.minis li { display: flex; gap: 14px; padding: 12px 0; border-top: 1px solid var(--line); }
.minis li:first-child { border-top: 0; padding-top: 0; }
.minis .n { color: var(--signal); font-family: var(--mono); font-size: var(--t-mono); letter-spacing: 0.15em; flex: 0 0 auto; padding-top: 3px; }
.minis .t { color: var(--txt-2); font-size: var(--t-sm); line-height: 1.5; }
.minis .t b { color: var(--txt); font-weight: 500; display: block; margin-bottom: 2px; }

.set { border: 0; margin: 0; padding: 0; min-width: 0; }
.set + .set { margin-top: 30px; padding-top: 0; border-top: 1px solid var(--line); }
.set > legend {
  padding: 0;
  color: var(--txt-3);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.set > legend b { color: var(--signal); font-weight: 500; }

.opts { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.opt { position: relative; display: grid; }
.opt input {
  position: absolute;
  opacity: 0;
  inset: 0;
  width: 100%; height: 100%;
  margin: 0;
  cursor: pointer;
}
.opt span {
  display: block;
  height: 100%;
  border: 1px solid var(--line-ui);
  border-radius: 2px;
  background: var(--ink-2);
  padding: 13px 14px;
  color: var(--txt-2);
  font-size: var(--t-sm);
  min-height: 44px;
  transition: border-color var(--d-1) var(--e-out), color var(--d-1) var(--e-out), background var(--d-1) var(--e-out);
}
.opt small { display: block; color: var(--txt-3); font-size: var(--t-xs); margin-top: 3px; }
.opt input:hover + span { border-color: #7B8A9B; }
.opt input:checked + span { border-color: var(--signal); background: var(--signal-wash); color: var(--txt); }
.opt input:focus-visible + span { outline: 2px solid var(--signal); outline-offset: 2px; }

.sum { list-style: none; }
.sum li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  font-size: var(--t-sm);
  align-items: baseline;
}
.sum li:first-child { border-top: 0; }
.sum .k {
  color: var(--txt-3);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  flex: 0 0 auto;
}
.sum .v { color: var(--txt); text-align: right; font-variant-numeric: tabular-nums; }

.done {
  border: 1px solid var(--signal-dim);
  border-radius: 2px;
  background: linear-gradient(170deg, rgba(63, 160, 255, 0.12), transparent 60%), var(--panel);
  padding: clamp(22px, 3vw, 34px);
}
.done__h { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-top: 14px; }
.done__p { margin-top: 14px; color: var(--txt-2); max-width: 50ch; }

/* Docked action bar. It reads as part of the card, never as a button
   floating over a field the visitor is still filling in. */
.bar {
  position: sticky;
  bottom: 0;
  z-index: 30;
  margin: 24px -16px -16px;
  padding: 14px 16px calc(14px + env(safe-area-inset-bottom, 0px));
  background: var(--panel);
  border-top: 1px solid var(--line);
}
@media (min-width: 700px) { .bar { margin: 24px -20px -20px; padding: 16px 20px; } }
@media (min-width: 980px) {
  .bar { position: static; margin: 22px 0 0; padding: 0; background: none; border-top: 0; }
}

/* ---- 18. motion states ----------------------------------- */
html.has-motion [data-reveal],
html.has-motion [data-reveal-item],
html.has-motion [data-hero] { visibility: hidden; }

.motion-line-mask { display: block; overflow: hidden; padding-bottom: 0.06em; }
.motion-line { display: block; will-change: transform; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .atmos__canvas { display: none; }
}