/* =========================================================================
   Bus One — Route 1
   Palette: white base · near-black text · sky-blue accents
   Type: Archivo (headers) / Montserrat (subheaders + body)
   ========================================================================= */

:root {
  /* Color */
  --white:      #ffffff;
  --paper:      #ffffff;
  --ink:        #0a0a0a;
  --ink-soft:   #2b3138;
  --muted:      #626b74;
  --line:       #e7ebee;
  --line-2:     #d9e0e6;

  --sky:        #38bdf8;   /* bright accent — fills, the bus */
  --sky-500:    #0ea5e9;   /* borders, hover fills */
  --sky-600:    #0284c7;   /* deep accent */
  --sky-strong: #0369a1;   /* accent TEXT on white (AA) */
  --sky-100:    #e0f2fe;
  --sky-050:    #f0f9ff;

  --road:       #14181d;

  /* Type */
  --f-display: "Archivo", system-ui, sans-serif;
  --f-body:    "Montserrat", system-ui, -apple-system, sans-serif;
  --f-mono:    "Montserrat", system-ui, -apple-system, sans-serif;

  /* Space + shape */
  --pad: clamp(1.25rem, 5vw, 4rem);
  --maxw: 1200px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(10,10,10,.04), 0 18px 40px -24px rgba(10,10,10,.25);
  --shadow-lift: 0 1px 2px rgba(10,10,10,.05), 0 30px 60px -28px rgba(3,105,161,.35);

  --ease: cubic-bezier(.22,.61,.36,1);
}

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

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

body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

a { color: inherit; text-decoration: none; }

h1, h2, h3 { margin: 0; font-weight: 800; letter-spacing: -0.01em; }

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

/* Focus — visible, on brand */
:focus-visible {
  outline: 3px solid var(--sky-600);
  outline-offset: 3px;
  border-radius: 4px;
}

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

.eyebrow {
  font-family: var(--f-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--sky-strong);
  display: inline-flex;
  align-items: center;
  gap: .6em;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--sky-500);
  display: inline-block;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ------------------------------------------------------------ buttons --- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--white);
  font-family: var(--f-body);
  font-weight: 600;
  font-size: .95rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: .85rem 1.35rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease),
              background .18s var(--ease), border-color .18s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--sky {
  --btn-bg: var(--sky);
  --btn-fg: var(--ink);
  box-shadow: 0 10px 24px -12px rgba(2,132,199,.7);
}
.btn--sky:hover { --btn-bg: var(--sky-500); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  border-color: var(--line-2);
}
.btn--ghost:hover { border-color: var(--ink); background: #fff; }

.btn__arrow { transition: transform .18s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ------------------------------------------------------------ roundel --- */
.roundel {
  font-family: var(--f-display);
  font-weight: 900;
  display: inline-grid;
  place-items: center;
  width: 2.1em; height: 2.1em;
  font-size: 1em;
  color: var(--white);
  background: var(--sky);
  border-radius: 999px;
  line-height: 1;
  box-shadow: inset 0 0 0 3px #fff, inset 0 0 0 4.5px var(--sky-500);
}

/* ---------------------------------------------------------------- nav --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
/* the bar stretches edge-to-edge (with page padding) rather than the 1200px column */
.nav .container { max-width: 100%; }
.nav__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 86px;
}
.brand { display: inline-flex; align-items: center; gap: .6rem; font-size: 1.35rem; }
.brand .roundel { font-size: 1rem; }
.brand__word {
  font-family: var(--f-display);
  font-weight: 800;
  letter-spacing: .01em;
  text-transform: uppercase;
  font-size: 1.7rem;
  line-height: 1;
}
.brand__thin { color: var(--sky-strong); }

.nav__links { display: flex; gap: .35rem; margin-left: auto; }
.nav__link {
  font-weight: 500;
  font-size: .95rem;
  padding: .5rem .85rem;
  border-radius: 999px;
  color: var(--ink-soft);
  position: relative;
  transition: color .15s var(--ease), background .15s var(--ease);
}
.nav__link:hover { color: var(--ink); background: var(--sky-050); }
.nav__link.is-current { color: var(--ink); }
.nav__link.is-current::after {
  content: "";
  position: absolute;
  left: .85rem; right: .85rem; bottom: .28rem;
  height: 2px;
  background: var(--sky);
  border-radius: 2px;
}
.nav__cta { margin-left: .35rem; }

.nav__toggle {
  display: none;
  margin-left: auto;
  width: 44px; height: 44px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  display: block;
  width: 20px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}
.nav__toggle span { position: relative; }
.nav__toggle span::before { position: absolute; top: -6px; }
.nav__toggle span::after  { position: absolute; top: 6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

/* ------------------------------------------------------------ section --- */
.section { padding-block: clamp(3.5rem, 8vw, 7rem); }
.section--tint { background: var(--sky-050); border-block: 1px solid var(--line); }

.section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.section__title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  line-height: .95;
  text-transform: uppercase;
  letter-spacing: -.005em;
}
.section__lead { color: var(--muted); max-width: 46ch; margin: .9rem 0 0; }

/* =============================================================== HERO === */
/* A single "BUS ONE" wordmark. The bus parks over BUS, then drives across to
   cover ONE as the page scrolls — its position is bound to scroll progress.
   The hero is taller than the viewport; its inner panel pins while you scrub. */
.hero {
  position: relative;
  height: 140vh;              /* 100vh pin + 40vh of scrub — bus sets off at once */
  isolation: isolate;
}
.hero__pin {
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 50% -25%, var(--sky-050) 0%, rgba(240,249,255,0) 60%),
    linear-gradient(180deg, #fff 0%, #fff 68%, var(--sky-050) 100%);
}

.stage {
  position: relative;
  width: 100%;
  padding-inline: var(--pad);
  display: flex;
  justify-content: center;
}

.wordmark {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: clamp(2rem, 9vw, 8rem);
  margin: 0;
  font-family: "Archivo", system-ui, sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(3.5rem, 19vw, 15rem);
  line-height: .9;
  letter-spacing: -.02em;
  white-space: nowrap;
  z-index: 1;
}
.wordmark__word { display: inline-block; }
.wordmark__word[data-word="bus"] { color: var(--sky-strong); }

/* the bus that rides across the wordmark — width / top / transform set in JS */
.busover {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
  opacity: 0;
  pointer-events: none;
  transition: opacity .5s var(--ease);
  will-change: transform;
}
.busover.is-ready { opacity: 1; }
.busover svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
  filter: drop-shadow(0 16px 22px rgba(3,105,161,.28));
}
.busover .wheel { transform-box: fill-box; transform-origin: center; }
.busover .headlight { filter: drop-shadow(0 0 6px rgba(255,214,102,.9)); }

/* gentle idle hover, kept on a child so it never fights the scroll transform */
.busover__lift { animation: hoverBob 4s ease-in-out infinite; }
@keyframes hoverBob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }

/* scroll cue — fades out as the bus sets off (opacity driven in JS) */
.scrollcue {
  position: absolute;
  left: 50%;
  bottom: clamp(1.5rem, 6vh, 3.25rem);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--muted);
}
.scrollcue svg { width: 22px; height: 22px; color: var(--sky-strong); animation: nudge 1.7s var(--ease) infinite; }
@keyframes nudge { 0%,100% { transform: translateY(0); opacity: .55; } 50% { transform: translateY(5px); opacity: 1; } }

/* ======================================================= TESTIMONIALS === */
.carousel { position: relative; }
.carousel__controls { display: inline-flex; gap: .5rem; }
.cbtn {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 999px;
  border: 1.5px solid var(--line-2);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  transition: transform .16s var(--ease), border-color .16s var(--ease),
              background .16s var(--ease), color .16s var(--ease);
}
.cbtn:hover:not(:disabled) { border-color: var(--sky-500); color: var(--sky-strong); transform: translateY(-2px); }
.cbtn:disabled { opacity: .35; cursor: default; }
.cbtn svg { width: 20px; height: 20px; }

.track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: .5rem .25rem 1.5rem;
  margin: 0 -.25rem;
  scrollbar-width: none;
}
.track::-webkit-scrollbar { display: none; }

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

/* Boarding-pass ticket card (blank placeholder for now) */
.ticket {
  scroll-snap-align: start;
  flex: 0 0 clamp(280px, 78vw, 360px);
  display: grid;
  grid-template-columns: 1fr 92px;
  min-height: 250px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.ticket:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }

.ticket__main { padding: 1.5rem 1.4rem; display: flex; flex-direction: column; }
.ticket__mark {
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sky-strong);
}
.quote-empty { display: grid; gap: .7rem; margin: 1.3rem 0 auto; }
.quote-empty span {
  height: 11px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--sky-050), var(--sky-100));
  animation: pulse 2.6s ease-in-out infinite;
}
.quote-empty span:nth-child(1) { width: 100%; }
.quote-empty span:nth-child(2) { width: 92%; }
.quote-empty span:nth-child(3) { width: 74%; animation-delay: .3s; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .45; } }

.ticket__rider { display: flex; align-items: center; gap: .8rem; margin-top: 1.4rem; }
.ticket__avatar {
  width: 42px; height: 42px; border-radius: 999px; flex: none;
  background: var(--sky-100);
  box-shadow: inset 0 0 0 1.5px var(--line-2);
}
.ticket__who { display: grid; gap: .45rem; flex: 1; }
.ticket__who span { height: 9px; border-radius: 5px; background: var(--sky-050); box-shadow: inset 0 0 0 1px var(--line); }
.ticket__who span:first-child { width: 60%; }
.ticket__who span:last-child  { width: 40%; }

/* perforated stub */
.ticket__stub {
  position: relative;
  background:
    repeating-linear-gradient(180deg, var(--sky-050) 0 8px, transparent 8px 16px);
  background-color: var(--sky-050);
  border-left: 2px dashed var(--line-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem .5rem;
  text-align: center;
}
.ticket__stub::before,
.ticket__stub::after {
  content: "";
  position: absolute;
  left: -9px;
  width: 16px; height: 16px;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
}
.section--tint .ticket__stub::before,
.section--tint .ticket__stub::after { background: var(--sky-050); }
.ticket__stub::before { top: -8px; }
.ticket__stub::after  { bottom: -8px; }
.ticket__stub .roundel { font-size: .8rem; }
.stub__meta {
  font-family: var(--f-mono);
  font-size: .58rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.dots { display: flex; gap: .5rem; justify-content: center; margin-top: .5rem; }
.dot-btn {
  width: 9px; height: 9px; padding: 0; border-radius: 999px;
  border: none; background: var(--line-2); cursor: pointer;
  transition: width .2s var(--ease), background .2s var(--ease);
}
.dot-btn.is-active { width: 26px; background: var(--sky); }

/* ========================================================= PAGE HEAD === */
.pagehead {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 3.5rem);
  overflow: hidden;
}
.pagehead::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(100% 120% at 100% 0, var(--sky-050), transparent 60%);
  z-index: -1;
}
.pagehead__title {
  font-family: var(--f-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(3rem, 9vw, 6.5rem);
  line-height: .88;
  letter-spacing: -.015em;
  margin-top: 1rem;
}
.pagehead__lead { color: var(--muted); max-width: 52ch; margin: 1.2rem 0 0; font-size: 1.1rem; }

/* Empty state */
.empty {
  border: 2px dashed var(--line-2);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(135deg, var(--sky-050) 0 22px, #fff 22px 44px);
  padding: clamp(2.5rem, 8vw, 5rem) 1.5rem;
  text-align: center;
  display: grid;
  place-items: center;
  gap: 1rem;
}
.empty__badge {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--sky-strong);
  background: #fff;
  border: 1px solid var(--line);
  padding: .45rem .9rem;
  border-radius: 999px;
}
.empty__title { font-family: var(--f-display); font-size: clamp(1.8rem, 4vw, 2.6rem); text-transform: uppercase; }
.empty__text { color: var(--muted); max-width: 40ch; }

/* faint placeholder gallery grid */
.frames {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.frame {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(135deg, var(--sky-050), var(--sky-100));
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--sky-500);
}
.frame svg { width: 34px; height: 34px; opacity: .7; }
.frame:nth-child(3n) { aspect-ratio: 4 / 5; }

/* ------------------------------------------------------------- footer --- */
.footer {
  background: var(--road);
  color: #cdd6dd;
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.footer__top { display: flex; justify-content: space-between; gap: 2rem 3rem; flex-wrap: wrap; }
.footer__brand { max-width: 30ch; }
.footer .brand__word { color: #fff; }
.footer__tag { color: #8b97a1; margin-top: .8rem; font-size: .95rem; }
.footer__nav { display: flex; gap: 3rem; flex-wrap: wrap; }
.footer__col h4 {
  font-family: var(--f-mono); font-size: .7rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--sky); margin: 0 0 .9rem; font-weight: 600;
}
.footer__col a { display: block; padding: .28rem 0; color: #cdd6dd; font-size: .95rem; }
.footer__col a:hover { color: #fff; }
.footer__bar {
  margin-top: 2.5rem; padding-top: 1.4rem;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-family: var(--f-mono); font-size: .72rem; letter-spacing: .06em; color: #8b97a1;
}

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* --------------------------------------------------------- responsive --- */
@media (max-width: 820px) {
  .nav__links {
    position: fixed;
    inset: 86px 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: .5rem var(--pad) 1.25rem;
    margin: 0;
    transform: translateY(-130%);
    transition: transform .3s var(--ease);
    box-shadow: 0 24px 40px -24px rgba(10,10,10,.35);
  }
  .nav__links.is-open { transform: none; }
  .nav__link { padding: .9rem .4rem; font-size: 1.05rem; border-radius: 8px; }
  .nav__link.is-current::after { display: none; }
  .nav__cta { display: none; }
  .nav__toggle { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .quote-empty span { opacity: 1; }
}