:root {
  --ink: #1c2830;
  --muted: #5c6a75;
  --sand: #f6f1ea;
  --sand-deep: #ebe3d6;
  --sea: #2a6f97;
  --sea-deep: #1f5572;
  --terra: #c4705a;
  --dusk: #243842;
  --line: #d8cfc2;
  --font: "Noto Sans TC", "DM Sans", system-ui, sans-serif;
  --display: "Cormorant Garamond", "Noto Serif TC", Georgia, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--sand);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.wrap {
  width: min(48rem, calc(100% - 2rem));
  margin-inline: auto;
}

.wrap--wide {
  width: min(72rem, calc(100% - 2rem));
}

/* Nav */
.nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
}

.nav--fixed {
  position: sticky;
  background: rgba(246, 241, 234, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav__inner {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  min-height: 4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav__brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: #fff;
}

.nav--fixed .nav__brand {
  color: var(--ink);
}

.nav__brand em {
  font-style: italic;
  color: #a8d4ea;
}

.nav--fixed .nav__brand em {
  color: var(--sea);
}

.nav__links {
  display: none;
  gap: 1.35rem;
  margin-left: auto;
  font-size: 0.9rem;
}

.nav__links a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.82);
}

.nav--fixed .nav__links a {
  color: var(--muted);
}

.nav__links a:hover {
  color: #fff;
}

.nav--fixed .nav__links a:hover {
  color: var(--sea);
}

.nav__cta {
  margin-left: auto;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.55rem 1rem;
  border-radius: 999px;
}

.nav--fixed .nav__cta {
  background: var(--sea);
  color: #fff;
}

@media (min-width: 880px) {
  .nav__links {
    display: flex;
  }

  .nav__cta {
    margin-left: 0;
  }
}

/* Hero — real boarding-pass proportions */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 6rem 1rem 3.5rem;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 55% at 85% 15%, rgba(42, 111, 151, 0.16), transparent 55%),
    radial-gradient(ellipse 50% 40% at 5% 85%, rgba(196, 112, 90, 0.1), transparent 50%),
    linear-gradient(165deg, #e4ebf0 0%, var(--sand) 50%, #ebe0d2 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 56px,
      rgba(28, 40, 48, 0.025) 56px,
      rgba(28, 40, 48, 0.025) 57px
    );
  pointer-events: none;
}

.hero__copy {
  position: relative;
  z-index: 1;
  width: min(48rem, 100%);
  text-align: center;
  animation: rise 0.8s ease both;
}

.hero__brand {
  margin: 0 0 0.65rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  letter-spacing: 0.04em;
  line-height: 1;
}

.hero__brand em {
  font-style: italic;
  color: var(--sea);
}

.hero h1 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  line-height: 1.3;
}

.hero__lede {
  margin: 0 auto;
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 32rem;
}

/* Boarding pass — larger hero visual */
.pass {
  position: relative;
  z-index: 1;
  width: min(58rem, calc(100% - 0.5rem));
  display: grid;
  background: #fffcf7;
  color: var(--ink);
  border-radius: 0.5rem;
  box-shadow:
    0 22px 50px rgba(28, 40, 48, 0.18),
    0 1px 0 rgba(255, 255, 255, 0.9) inset;
  animation: rise 0.9s ease 0.08s both;
  min-height: 14.5rem;
}

@media (min-width: 720px) {
  .pass {
    grid-template-columns: 1fr 9.5rem;
    min-height: 16.5rem;
  }
}

.pass__main {
  padding: 1.15rem 1.2rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: space-between;
}

@media (min-width: 720px) {
  .pass__main {
    padding: 1.4rem 1.6rem 1.45rem 1.75rem;
    gap: 1.15rem;
  }
}

.pass__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.pass__airline {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  letter-spacing: 0.06em;
  color: var(--sea);
}

.pass__type {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--muted);
}

.pass__route {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
}

.pass__iata {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3rem);
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--ink);
}

.pass__name {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.pass__airport--to {
  text-align: right;
}

.pass__mid {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0 0.35rem;
}

.pass__line {
  flex: 1;
  height: 0;
  border-top: 2px dashed #b9c2c9;
}

.pass__arrow {
  width: 0;
  height: 0;
  border-left: 10px solid var(--terra);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.pass__fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 1rem;
  margin: 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

@media (min-width: 520px) {
  .pass__fields {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.pass__fields div {
  min-width: 0;
}

.pass__fields dt {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 700;
}

.pass__fields dd {
  margin: 0.15rem 0 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Tear notch between main + stub */
.pass__notch {
  display: none;
}

@media (min-width: 720px) {
  .pass__notch {
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 9.5rem;
    width: 0;
    border-left: 2px dashed #c5bdb0;
  }

  .pass__notch::before,
  .pass__notch::after {
    content: "";
    position: absolute;
    left: -0.55rem;
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    background: #e4ebf0;
    box-shadow: inset 0 0 0 1px rgba(28, 40, 48, 0.06);
  }

  .pass__notch::before {
    top: -0.55rem;
  }

  .pass__notch::after {
    bottom: -0.55rem;
  }
}

.pass__stub {
  display: none;
  background: var(--dusk);
  color: #f6f1ea;
  padding: 1rem 0.85rem;
  text-align: center;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  border-radius: 0 0.5rem 0.5rem 0;
}

@media (min-width: 720px) {
  .pass__stub {
    display: flex;
  }
}

.pass__stub-label {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  opacity: 0.65;
}

.pass__stub-iata {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: #a8d4ea;
}

.pass__stub-flight {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
}

.pass__bars {
  width: 72%;
  height: 3.4rem;
  background: repeating-linear-gradient(
    90deg,
    #f6f1ea 0 1.5px,
    transparent 1.5px 3px,
    #f6f1ea 3px 4px,
    transparent 4px 6.5px,
    #f6f1ea 6.5px 9px,
    transparent 9px 11px
  );
  opacity: 0.85;
}

.pass__stub-id {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  opacity: 0.65;
}

.hero__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  animation: rise 0.9s ease 0.14s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn--sea {
  background: var(--sea);
  color: #fff;
}

.btn--sea:hover {
  background: var(--sea-deep);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(28, 40, 48, 0.2);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--sea);
  color: var(--sea);
}

.btn--sand {
  background: var(--sand);
  color: var(--ink);
}

.btn--sand:hover {
  background: #fff;
}

.btn--ink {
  background: var(--dusk);
  color: #fff;
}

.btn--line {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

/* Section heads */
.section-head {
  margin-bottom: 2rem;
}

.section-head--light .label {
  color: rgba(255, 255, 255, 0.7);
}

.section-head--light h2 {
  color: #fff;
}

.section-head h2 {
  margin: 0.35rem 0 0.5rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.65rem, 3.5vw, 2.25rem);
  line-height: 1.25;
}

.section-head__sub {
  margin: 0;
  color: var(--muted);
}

.label {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--terra);
}

.label--light {
  color: rgba(255, 255, 255, 0.65);
}

/* Manifest — ticket stub grid */
.manifest {
  padding: 5.5rem 0;
  background: #fff;
}

.manifest__grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 600px) {
  .manifest__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .manifest__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.stub {
  display: block;
  text-decoration: none;
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  padding: 1.15rem 1.2rem 1.2rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.stub::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sea), var(--terra));
}

.stub:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(28, 40, 48, 0.1);
}

.stub__gate {
  display: inline-block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--sea);
  margin-bottom: 0.5rem;
}

.stub h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.35;
  color: var(--ink);
}

.stub p {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.stub__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--terra);
  background: rgba(196, 112, 90, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
}

/* Rollout timeline */
.rollout {
  background: var(--dusk);
  color: #fff;
  padding: 5rem 0;
}

.rollout__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 2px solid rgba(168, 212, 234, 0.35);
  margin-left: 0.5rem;
}

.rollout__stop {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1.25rem;
  padding: 0 0 2rem 1.5rem;
  position: relative;
}

.rollout__stop:last-child {
  padding-bottom: 0;
}

.rollout__stop::before {
  content: "";
  position: absolute;
  left: -0.55rem;
  top: 0.35rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--sea);
  box-shadow: 0 0 0 3px var(--dusk);
}

.rollout__when {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #a8d4ea;
  padding-top: 0.15rem;
}

.rollout__stop strong {
  display: block;
  font-family: var(--display);
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.rollout__stop p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.94rem;
}

@media (min-width: 760px) {
  .rollout__track {
    grid-template-columns: repeat(3, 1fr);
    border-left: none;
    margin-left: 0;
    gap: 1.5rem;
  }

  .rollout__stop {
    grid-template-columns: 1fr;
    padding: 0;
    border-top: 2px solid rgba(168, 212, 234, 0.35);
    padding-top: 1.25rem;
  }

  .rollout__stop::before {
    left: 0;
    top: -0.55rem;
  }
}

/* Situation picker */
.situation {
  padding: 5.5rem 0;
  background: var(--sand-deep);
}

.situation__grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .situation__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.situation__card {
  display: block;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  padding: 1.25rem 1.3rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.situation__card:hover {
  border-color: var(--sea);
  box-shadow: 0 8px 24px rgba(42, 111, 151, 0.1);
}

.situation__code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-weight: 600;
  font-size: 0.85rem;
  background: var(--dusk);
  color: #a8d4ea;
  border-radius: 0.25rem;
  margin-bottom: 0.65rem;
}

.situation__card h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.35;
  color: var(--ink);
}

.situation__card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Tool match table — light ticket style */
.board {
  padding: 5.5rem 0;
  background: var(--sand-deep);
}

.board__screen {
  background: #fffcf7;
  color: var(--ink);
  font-size: 0.92rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(28, 40, 48, 0.07);
}

.board__row {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  align-items: center;
}

.board__row--head {
  background: var(--sand);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.board__row:not(.board__row--head):hover {
  background: rgba(42, 111, 151, 0.04);
}

.board__row:last-child {
  border-bottom: none;
}

.board__row > span:nth-child(2) {
  font-weight: 600;
  color: var(--sea);
}

.board__status {
  display: inline-block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 0.68rem;
  text-align: center;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.board__status--go {
  color: var(--sea-deep);
  background: rgba(42, 111, 151, 0.12);
}

.board__status--wait {
  color: #9a5a28;
  background: rgba(196, 112, 90, 0.14);
}

.board__note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 640px) {
  .board__row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .board__status {
    text-align: left;
  }
}

/* Destination cards */
.destinations {
  padding: 5.5rem 0;
  background: var(--sand);
  border-top: 1px solid var(--line);
}

.destinations__grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 760px) {
  .destinations__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.dest {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  padding: 1.25rem 1.3rem;
}

.dest__code {
  margin: 0 0 0.35rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--sea);
}

.dest h3 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.2rem;
}

.dest ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.dest li + li {
  margin-top: 0.45rem;
}

/* Legacy — kept for article pages */
.itinerary {
  padding: 5.5rem 0;
  background: #fff;
}

.legs {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.leg {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.leg::before {
  content: "";
  position: absolute;
  left: 2.15rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--sea), var(--line));
  opacity: 0.35;
}

.leg:last-child::before {
  height: 50%;
}

.leg__meta {
  padding: 1.75rem 0;
  text-align: center;
}

.leg__num {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--sea);
  line-height: 1;
}

.leg__body {
  display: block;
  text-decoration: none;
  padding: 1.75rem 0 1.75rem 0.25rem;
  transition: padding-left 0.2s ease;
}

.leg__body:hover {
  padding-left: 0.5rem;
}

.leg__body h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--ink);
}

.leg__body p {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.leg__link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--terra);
  letter-spacing: 0.02em;
}

/* Essentials strip */
.essentials {
  background: var(--dusk);
  color: #fff;
  padding: 5rem 0;
}

.essentials__grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 760px) {
  .essentials__grid {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }
}

.essentials__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.essentials__list li {
  padding-left: 1rem;
  border-left: 2px solid rgba(168, 212, 234, 0.45);
}

.essentials__list strong {
  display: block;
  font-family: var(--display);
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.essentials__list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
}

/* Stop / quiz */
.stop {
  padding: 5.5rem 0;
  background: var(--sand-deep);
}

.stop__list {
  display: grid;
  gap: 0.65rem;
}

.stop__item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
}

.stop__item[open] {
  border-color: var(--sea);
  box-shadow: 0 8px 24px rgba(42, 111, 151, 0.08);
}

.stop__item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  padding: 1.05rem 1.15rem;
  font-family: var(--display);
  font-size: 1.08rem;
}

.stop__item summary::-webkit-details-marker {
  display: none;
}

.stop__item summary::after {
  content: "+";
  float: right;
  color: var(--sea);
  font-family: var(--font);
}

.stop__item[open] summary::after {
  content: "–";
}

.stop__item p {
  margin: 0;
  padding: 0 1.15rem 1.15rem;
  color: var(--muted);
}

.stop__item a {
  color: var(--sea);
  font-weight: 700;
}

/* Detour contrast */
.detour {
  padding: 5.5rem 0;
  background: #fff;
}

.detour__grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 760px) {
  .detour__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.detour h2 {
  margin: 0.35rem 0 1rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
}

.detour ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.detour li + li {
  margin-top: 0.5rem;
}

.detour__grid > div:first-child h2 {
  color: var(--terra);
}

.detour__grid > div:last-child h2 {
  color: var(--sea);
}

/* Connections */
.connections {
  padding: 5.5rem 0;
  background: var(--sand);
}

.connections__cards {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .connections__cards {
    grid-template-columns: 1fr 1fr;
  }
}

.conn {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--sea);
  padding: 1.25rem 1.3rem;
  border-radius: 0 0 0.35rem 0.35rem;
}

.conn:nth-child(2) {
  border-top-color: var(--terra);
}

.conn:nth-child(3) {
  border-top-color: #7a9aab;
}

.conn:nth-child(4) {
  border-top-color: var(--dusk);
}

.conn h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 700;
}

.conn__dir {
  margin: 0 0 0.5rem;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--sea);
}

.conn p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Routes tabs */
.routes {
  padding: 5.5rem 0;
  background: #fff;
  border-top: 1px solid var(--line);
}

.routes__tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.routes__tab {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--sand);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--muted);
}

.routes__tab.is-on {
  background: var(--sea);
  border-color: var(--sea);
  color: #fff;
}

.routes__panel {
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  max-width: 32rem;
  animation: rise 0.35s ease both;
}

/* Depart CTA */
.depart {
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(196, 112, 90, 0.25), transparent 55%),
    var(--dusk);
  color: #fff;
  padding: 5rem 0;
}

.depart__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.depart__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.depart h2 {
  margin: 0.35rem 0 0.5rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.depart p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  max-width: 28rem;
}

/* Footer */
.site-foot {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  padding: 2rem 0 1.25rem;
}

.site-foot .nav__brand {
  color: #fff;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.site-foot__inner p {
  margin: 0;
  max-width: 28rem;
  font-size: 0.92rem;
}

.site-foot__bottom {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
}

.site-foot a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.68);
}

.site-foot a:hover {
  color: #a8d4ea;
}

/* Guides index */
.guides-hero {
  padding: 3.5rem 0 1.75rem;
  background: var(--sand-deep);
  border-bottom: 1px solid var(--line);
}

.guides-hero h1 {
  margin: 0.35rem 0 0.5rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.6rem);
}

.guides-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 36rem;
}

.guides-list {
  padding: 2rem 0 3.5rem;
  width: min(44rem, calc(100% - 2rem));
  margin-inline: auto;
}

.guide-pass {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 0.85rem 1rem;
  align-items: start;
  text-decoration: none;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}

.guide-pass:hover {
  background: rgba(42, 111, 151, 0.04);
}

.guide-pass__leg {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--sea);
  text-align: center;
}

.guide-pass h2 {
  margin: 0 0 0.3rem;
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.35;
}

.guide-pass p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Article */
.entry {
  padding: 2rem 0 3.5rem;
}

.entry__inner {
  width: min(40rem, calc(100% - 2rem));
  margin-inline: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  padding: 1.75rem 1.4rem 2rem;
  box-shadow: 0 12px 40px rgba(28, 40, 48, 0.06);
}

@media (min-width: 700px) {
  .entry__inner {
    padding: 2.25rem 2.2rem 2.4rem;
  }
}

.crumb {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.crumb a {
  text-decoration: none;
}

.crumb a:hover {
  color: var(--sea);
}

.entry .label,
.entry .eyebrow {
  margin: 0 0 0.65rem;
}

.entry h1 {
  margin: 0 0 0.65rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.5vw, 2.15rem);
  line-height: 1.28;
}

.entry__meta {
  margin: 0 0 1.15rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.entry__lead {
  margin: 0 0 1.4rem;
  font-size: 1.06rem;
  color: #2a3840;
  border-left: 3px solid var(--sea);
  padding-left: 1rem;
}

.entry h2 {
  margin: 1.85rem 0 0.65rem;
  font-family: var(--display);
  font-size: 1.22rem;
  font-weight: 700;
}

.entry p,
.entry li {
  color: #3d4a52;
}

.entry ul,
.entry ol {
  padding-left: 1.15rem;
}

.entry li + li {
  margin-top: 0.35rem;
}

.entry__next {
  margin-top: 2.2rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--line);
}

.entry__next p {
  margin: 0 0 0.85rem;
}

/* Soft comparison — travel / gate style (domain 4 only) */
.gate-hero {
  padding: 3.5rem 0 2rem;
  background:
    radial-gradient(ellipse 70% 55% at 85% 15%, rgba(42, 111, 151, 0.12), transparent 55%),
    var(--sand-deep);
  border-bottom: 1px solid var(--line);
}

.gate-hero h1 {
  margin: 0.35rem 0 0.55rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.45rem);
  line-height: 1.25;
}

.gate-hero__lede {
  margin: 0;
  color: var(--muted);
  max-width: 40rem;
  font-size: 1rem;
}

.briefing {
  padding: 4.5rem 0;
  background: #fff;
}

.briefing__list {
  display: grid;
  gap: 0.65rem;
}

.briefing__item {
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
}

.briefing__item[open] {
  border-color: var(--sea);
  background: #fffcf7;
  box-shadow: 0 8px 24px rgba(42, 111, 151, 0.08);
}

.briefing__item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  padding: 1.05rem 1.15rem;
  font-family: var(--display);
  font-size: 1.08rem;
}

.briefing__item summary::-webkit-details-marker {
  display: none;
}

.briefing__item summary::after {
  content: "GATE";
  float: right;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--sea);
  font-weight: 600;
  margin-top: 0.35rem;
}

.briefing__item[open] summary::after {
  content: "OPEN";
  color: var(--terra);
}

.briefing__item p {
  margin: 0;
  padding: 0 1.15rem 1.15rem;
  color: var(--muted);
}

.briefing__item a {
  color: var(--sea);
  font-weight: 700;
}

.flights {
  padding: 4.5rem 0 5rem;
  background: var(--sand);
}

.flights__rail {
  display: grid;
  gap: 1rem;
}

@media (min-width: 880px) {
  .flights__rail {
    grid-template-columns: 1.15fr 1fr 1fr;
    align-items: stretch;
  }
}

.ticket {
  display: flex;
  flex-direction: column;
  background: #fffcf7;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 1.2rem 1.25rem 1.3rem;
  box-shadow: 0 10px 28px rgba(28, 40, 48, 0.06);
  position: relative;
  overflow: hidden;
}

.ticket::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--line);
}

.ticket--focus {
  border-color: var(--sea);
  box-shadow: 0 16px 40px rgba(42, 111, 151, 0.16);
  background: linear-gradient(180deg, #e8f2f8 0%, #fffcf7 32%);
}

.ticket--focus::before {
  height: 4px;
  background: linear-gradient(90deg, var(--sea), var(--terra));
}

.ticket__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.ticket__gate {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--sea);
}

.ticket__status {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: rgba(42, 111, 151, 0.14);
  color: var(--sea-deep);
}

.ticket__status--alt {
  background: rgba(28, 40, 48, 0.06);
  color: var(--muted);
}

.ticket__airline {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.2;
}

.ticket__airline a {
  color: var(--sea);
  text-decoration: none;
}

.ticket__airline a:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.ticket h3 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
}

.ticket > p {
  margin: 0 0 0.7rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.ticket a {
  color: var(--sea);
  font-weight: 600;
}

.ticket ul {
  margin: 0 0 1rem;
  padding-left: 1.05rem;
  color: #3d4a52;
  font-size: 0.88rem;
  flex: 1;
}

.ticket li + li {
  margin-top: 0.25rem;
}

.ticket__cta {
  display: inline-block;
  margin-top: auto;
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--sea) !important;
}

.ticket__cta:hover {
  color: var(--sea-deep) !important;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.25rem 1rem 2rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.foot a {
  text-decoration: none;
  font-weight: 700;
  color: var(--ink);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .pass,
  .hero__copy,
  .hero__actions,
  .routes__panel,
  .btn {
    animation: none;
    transition: none;
  }
}