/* =========================================================
   SkyLimo — design tokens
   ========================================================= */
:root{
  --bg:            #06080f;
  --bg-alt:        #0c111c;
  --ink:           #f1ede2;
  --ink-dim:       #a7abbb;
  --gold:          #c9a961;
  --gold-bright:   #ecd18e;
  --gold-dim:      #6b5c37;
  --line:          rgba(201,169,97,.22);
  --card:          rgba(16,21,32,.62);
  --card-line:     rgba(201,169,97,.16);

  --font-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-ui:      'Jost', 'Helvetica Neue', Arial, sans-serif;

  --gutter: clamp(24px, 6vw, 96px);
  --rail-w: 74px;

  --ease: cubic-bezier(.22,.8,.28,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-ui);
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3{ font-family:var(--font-display); font-weight:500; margin:0; color:var(--ink); }
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
svg{ display:block; }

::selection{ background:var(--gold); color:#161006; }

/* =========================================================
   SCENE LAYER — fixed backgrounds that crossfade per chapter
   ========================================================= */
.scene-layer{
  position:fixed;
  inset:0;
  z-index:0;
  overflow:hidden;
  background:var(--bg);
}

.scene{
  position:absolute;
  inset:-5%;
  opacity:0;
  transform:scale(1.02);
  transition:opacity 1.4s var(--ease), transform 2.4s var(--ease);
  background-repeat:no-repeat;
}
.scene.is-active{ opacity:1; transform:scale(1); }

.scene video{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
}

.scene--hero{
  background:
    radial-gradient(60% 50% at 25% 20%, rgba(201,169,97,.16), transparent 60%),
    linear-gradient(115deg, #0a0d16 0%, #050609 55%, #0b0e18 100%);
  animation:driftA 34s ease-in-out infinite;
}
.scene--services{
  background:
    radial-gradient(50% 40% at 80% 15%, rgba(201,169,97,.14), transparent 60%),
    linear-gradient(120deg, #0b0a12 0%, #060810 60%, #0c1018 100%);
  animation:driftB 30s ease-in-out infinite;
}
.scene--fleet{
  background:
    radial-gradient(55% 45% at 15% 80%, rgba(201,169,97,.13), transparent 60%),
    linear-gradient(125deg, #090c14 0%, #05060c 55%, #0d1119 100%);
  animation:driftA 38s ease-in-out infinite;
}
.scene--experience{
  background:
    radial-gradient(50% 45% at 85% 75%, rgba(201,169,97,.12), transparent 60%),
    linear-gradient(110deg, #0a0b13 0%, #060710 55%, #0b0d16 100%);
  animation:driftB 32s ease-in-out infinite;
}
.scene--contact{
  background:
    radial-gradient(60% 55% at 50% 30%, rgba(201,169,97,.17), transparent 62%),
    linear-gradient(130deg, #0a0d17 0%, #050609 55%, #0c0f1a 100%);
  animation:driftA 36s ease-in-out infinite;
}

@keyframes driftA{
  0%,100%{ background-position:0 0, 0 0; }
  50%{ background-position:3% -2%, 0 0; }
}
@keyframes driftB{
  0%,100%{ background-position:0 0, 0 0; }
  50%{ background-position:-3% 2%, 0 0; }
}

.scene::after{
  content:"";
  position:absolute; inset:0;
  background-image:repeating-linear-gradient(
    100deg,
    transparent 0px,
    transparent 140px,
    rgba(201,169,97,.05) 141px,
    rgba(201,169,97,.05) 142px,
    transparent 143px
  );
  animation:streak 9s linear infinite;
  mix-blend-mode:screen;
}
@keyframes streak{
  from{ transform:translateX(-6%); }
  to{ transform:translateX(6%); }
}

.scene-veil{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(4,5,9,.55) 0%, rgba(4,5,9,.72) 45%, rgba(4,5,9,.85) 100%);
}
.scene-grain{
  position:absolute; inset:0;
  opacity:.05;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode:overlay;
}

/* =========================================================
   ROUTE RAIL — signature scroll indicator (the "road")
   ========================================================= */
.route-rail{
  position:fixed;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  z-index:40;
  display:flex;
  align-items:center;
}
.route-rail ol{
  list-style:none;
  margin:0; padding:0;
  display:flex;
  flex-direction:column;
  gap:34px;
  order:2;
}
.route-rail li{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:10px;
  cursor:pointer;
}
.rail-dot{
  width:7px; height:7px;
  border-radius:50%;
  background:var(--gold-dim);
  box-shadow:0 0 0 3px transparent;
  transition:background .4s var(--ease), box-shadow .4s var(--ease), transform .4s var(--ease);
}
.route-rail li.is-active .rail-dot{
  background:var(--gold-bright);
  box-shadow:0 0 0 4px rgba(201,169,97,.18);
  transform:scale(1.25);
}
.rail-label{
  font-family:var(--font-ui);
  font-size:.66rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-dim);
  opacity:0;
  transform:translateX(6px);
  transition:opacity .3s var(--ease), transform .3s var(--ease), color .3s var(--ease);
  white-space:nowrap;
}
.route-rail li.is-active .rail-label{ color:var(--gold-bright); }
.route-rail li:hover .rail-label,
.route-rail li.is-active .rail-label{ opacity:1; transform:translateX(0); }

.rail-line{
  position:absolute;
  right:3px;
  top:6%;
  height:88%;
  width:1px;
  background:linear-gradient(to bottom, transparent, var(--line) 12%, var(--line) 88%, transparent);
  order:1;
}
.rail-progress{
  position:absolute;
  left:0; top:0;
  width:100%;
  height:0%;
  background:linear-gradient(to bottom, var(--gold), var(--gold-bright));
  transition:height .25s linear;
}

@media (max-width:900px){
  .route-rail{ display:none; }
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:30px var(--gutter);
  background:linear-gradient(to bottom, rgba(5,6,10,.75), transparent);
  transition:background .4s var(--ease), padding .4s var(--ease), backdrop-filter .4s;
}
.site-header.is-scrolled{
  background:transparent;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  padding-top:20px; padding-bottom:20px;
  border-bottom:none;
}

.brand{ display:flex; align-items:center; gap:14px; color:var(--ink); }
.brand-mark{
  color:var(--gold);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  width:54px;
  height:54px;
  overflow:hidden;
}
.brand-mark img{ display:block; max-width:100%; max-height:100%; width:auto; height:auto; object-fit:contain; }
.brand--footer .brand-mark{ width:34px; height:34px; }
.brand-word{
  font-family:var(--font-ui);
  font-size:1.3rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:400;
}
.brand-word em{ font-style:normal; color:var(--gold); }

.main-nav{ display:flex; gap:38px; }
.main-nav a{
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-dim);
  position:relative;
  padding-bottom:4px;
  transition:color .3s var(--ease);
}
.main-nav a::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background:var(--gold);
  transition:width .3s var(--ease);
}
.main-nav a:hover{ color:var(--ink); }
.main-nav a:hover::after{ width:100%; }

.header-actions{ display:flex; align-items:center; gap:22px; }
.phone-link{
  display:flex; align-items:center; gap:8px;
  font-size:.8rem; letter-spacing:.06em;
  color:var(--gold-bright);
}
.phone-link svg{ color:var(--gold); }

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none; border:0; cursor:pointer;
  padding:8px;
}
.nav-toggle span{
  width:22px; height:1px; background:var(--ink); display:block;
  transition:transform .3s var(--ease), opacity .3s var(--ease);
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:13px 30px;
  font-family:var(--font-ui);
  font-size:.76rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  border-radius:999px;
  border:1px solid transparent;
  transition:transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn--gold{
  background:linear-gradient(180deg, var(--gold-bright), var(--gold));
  color:#181206;
  font-weight:500;
}
.btn--gold:hover{ transform:translateY(-2px); }
.btn--ghost{
  border-color:var(--line);
  color:var(--ink);
}
.btn--ghost:hover{ border-color:var(--gold); color:var(--gold-bright); }
.btn--line{
  border-color:var(--gold-dim);
  color:var(--gold-bright);
}
.btn--line:hover{ border-color:var(--gold); background:rgba(201,169,97,.08); }
.btn--large{ padding:16px 42px; font-size:.8rem; margin-top:10px; }

/* =========================================================
   LAYOUT / CHAPTERS
   ========================================================= */
html{ scroll-snap-type:y mandatory; scroll-padding-top:0; }

main{ position:relative; z-index:1; }

.chapter{
  min-height:100vh;
  min-height:100dvh;
  display:flex;
  align-items:center;
  padding:100px var(--gutter) 80px;
  position:relative;
  scroll-snap-align:start;
  scroll-snap-stop:always;
}
.chapter-inner{
  max-width:920px;
  width:100%;
}
.chapter-inner--split{
  max-width:1180px;
  width:100%;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:center;
}

.eyebrow{
  display:block;
  font-size:.72rem;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:18px;
}
.display{
  font-size:clamp(2.4rem, 5.4vw, 4.6rem);
  line-height:1.06;
  letter-spacing:.005em;
}
.lede{
  margin-top:22px;
  max-width:52ch;
  font-size:1.05rem;
  line-height:1.7;
  color:var(--ink-dim);
  font-weight:300;
}

.chapter--hero .display{ font-size:clamp(2.8rem, 7vw, 5.6rem); }

.hero-watermark{
  position:absolute;
  right:clamp(-20px, 2vw, 60px);
  top:50%;
  transform:translateY(-50%);
  width:clamp(160px, 16vw, 240px);
  height:auto;
  opacity:.1;
  filter:grayscale(.2);
  pointer-events:none;
  user-select:none;
}
@media (max-width:900px){
  .hero-watermark{ width:38vw; max-width:200px; opacity:.08; right:50%; transform:translate(50%,-50%); top:20%; }
}
.hero-actions{ display:flex; gap:18px; margin-top:40px; flex-wrap:wrap; }

.scroll-cue{
  position:absolute;
  left:var(--gutter);
  bottom:46px;
  display:flex; align-items:center; gap:10px;
  font-size:.68rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--ink-dim);
}
.scroll-cue span{
  width:1px; height:34px;
  background:linear-gradient(to bottom, var(--gold), transparent);
  position:relative;
  overflow:hidden;
}
.scroll-cue span::after{
  content:"";
  position:absolute; left:0; top:-100%;
  width:100%; height:100%;
  background:var(--gold-bright);
  animation:cue 2.4s ease-in-out infinite;
}
@keyframes cue{
  0%{ top:-100%; }
  60%{ top:100%; }
  100%{ top:100%; }
}

/* =========================================================
   GOLDEN FRAME — pulsing halo glow for cards
   ========================================================= */
@keyframes golden-halo {
  0%, 100% {
    box-shadow:
      0 0 6px rgba(201, 169, 97, 0.2),
      0 0 14px rgba(201, 169, 97, 0.08),
      inset 0 0 4px rgba(201, 169, 97, 0.06);
  }
  50% {
    box-shadow:
      0 0 18px rgba(201, 169, 97, 0.55),
      0 0 40px rgba(201, 169, 97, 0.25),
      inset 0 0 14px rgba(201, 169, 97, 0.18);
  }
}

/* =========================================================
   SERVICES CARDS
   ========================================================= */
.card-grid{
  margin-top:56px;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:20px;
}
.info-card{
  background:var(--card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  padding:36px 26px;
  border:1px solid rgba(201, 169, 97, 0.25);
  animation:golden-halo 3.5s ease-in-out infinite;
  transition:background .4s var(--ease), transform .45s var(--ease);
}
.info-card:hover{
  background:rgba(201,169,97,.06);
  transform:translateY(-4px);
}
.info-icon{
  display:inline-flex;
  width:38px; height:38px;
  align-items:center; justify-content:center;
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--gold);
  margin-bottom:20px;
}
.info-card h3{
  font-family:var(--font-display);
  font-size:1.28rem;
  font-weight:500;
  margin-bottom:10px;
  color:var(--ink);
}
.info-card p{
  font-size:.92rem;
  line-height:1.6;
  color:var(--ink-dim);
}

/* =========================================================
   FLEET CARDS
   ========================================================= */
.fleet-grid{
  margin-top:56px;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:28px;
}
.fleet-card{
  border:1px solid rgba(201, 169, 97, 0.25);
  background:var(--card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  padding:26px 22px 30px;
  animation:golden-halo 3.5s ease-in-out infinite;
  transition:transform .45s var(--ease), border-color .45s var(--ease);
}
.fleet-card:hover{ transform:translateY(-6px); border-color:var(--gold-dim); }
.fleet-card h3{ font-size:1.2rem; margin-bottom:8px; }
.fleet-title{
  font-family:var(--font-display);
  font-size:1.6rem;
  font-weight:500;
  text-align:center;
  margin-bottom:10px;
  color:var(--ink);
}
.fleet-specs{
  display:flex; gap:14px;
  font-size:.68rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--gold-bright);
  margin-bottom:12px;
}
.fleet-copy{ font-size:.86rem; line-height:1.6; color:var(--ink-dim); }

/* =========================================================
   EXPERIENCE / STATS
   ========================================================= */
.stat-grid{
  margin:0; padding:0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1px;
  background:var(--card-line);
  border:1px solid var(--card-line);
}
.stat{
  background:var(--card);
  padding:34px 24px;
}
.stat dt{
  font-family:var(--font-display);
  font-size:2.6rem;
  color:var(--gold-bright);
  margin:0;
}
.stat-suffix{ font-size:1.1rem; margin-left:4px; color:var(--gold); }
.stat dd{
  margin:8px 0 0;
  font-size:.75rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--ink-dim);
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact-panel{
  margin-top:36px;
  display:flex;
  flex-direction:column;
  gap:14px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:22px 0;
  max-width:420px;
}
.contact-line{
  display:flex; align-items:center; gap:12px;
  font-size:.98rem;
  color:var(--ink);
  transition:color .3s var(--ease);
}
.contact-line svg{ color:var(--gold); flex-shrink:0; }
a.contact-line:hover{ color:var(--gold-bright); }
.contact-line--static{ color:var(--ink-dim); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{
  position:relative; z-index:1;
  background:#04050a;
  border-top:1px solid var(--line);
  padding:48px var(--gutter) 34px;
}
.footer-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  max-width:1180px;
  margin:0 auto;
}
.brand--footer{ color:var(--ink-dim); }
.footer-nav{ display:flex; gap:26px; }
.footer-nav a{
  font-size:.72rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--ink-dim);
}
.footer-nav a:hover{ color:var(--gold); }
.footer-fine{
  font-size:.72rem;
  color:var(--ink-dim);
  opacity:.7;
  width:100%;
  text-align:center;
  margin-top:8px;
}
.footer-powered{
  font-size:.68rem;
  color:var(--ink-dim);
  opacity:.55;
  width:100%;
  text-align:center;
  margin-top:6px;
  letter-spacing:.06em;
}
@media (min-width:640px){
  .footer-fine{ width:auto; text-align:right; margin-top:0; }
}

/* =========================================================
   SCROLL REVEALS — cards rise from lower position
   ========================================================= */
.reveal{
  opacity:0;
  transform:translateY(30px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* Cards start even lower for dramatic rise effect */
.reveal-card{
  opacity:0;
  transform:translateY(90px);
  transition:opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal-card.is-visible{
  opacity:1;
  transform:translateY(0);
}

/* Title & text vanish upward when scrolling past */
.reveal-vanish{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal-vanish.is-visible{
  opacity:1;
  transform:translateY(0);
}
.reveal-vanish.is-vanished{
  opacity:0;
  transform:translateY(-50px);
}

/* Staggered delays for card groups */
.reveal-group .reveal-card:nth-child(1){ transition-delay:.05s; }
.reveal-group .reveal-card:nth-child(2){ transition-delay:.15s; }
.reveal-group .reveal-card:nth-child(3){ transition-delay:.25s; }
.reveal-group .reveal-card:nth-child(4){ transition-delay:.35s; }

.reveal-group .reveal:nth-child(1){ transition-delay:.05s; }
.reveal-group .reveal:nth-child(2){ transition-delay:.15s; }
.reveal-group .reveal:nth-child(3){ transition-delay:.25s; }
.reveal-group .reveal:nth-child(4){ transition-delay:.35s; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:900px){
  .main-nav{ display:none; }
  .header-actions .phone-link{ display:none; }
  .nav-toggle{ display:flex; }

  .site-header.menu-open ~ main,
  body.menu-open{ overflow:hidden; }

  #mainNav.mobile-open{
    display:flex;
    position:fixed;
    inset:0;
    z-index:45;
    background:rgba(5,6,10,.98);
    flex-direction:column;
    align-items:flex-start;
    justify-content:center;
    gap:30px;
    padding:0 var(--gutter);
  }
  #mainNav.mobile-open a{ font-size:1.4rem; font-family:var(--font-display); text-transform:none; letter-spacing:0; color:var(--ink); }

  .card-grid, .fleet-grid{ grid-template-columns:1fr 1fr; }
  .chapter-inner--split{ grid-template-columns:1fr; gap:40px; }

  .chapter{ padding:80px var(--gutter) 60px; }
  .display{ font-size:clamp(2rem, 8vw, 3.5rem); }
  .lede{ font-size:1rem; }
}

/* -----------------------------------------------------------
   MOBILE
   ----------------------------------------------------------- */
@media (max-width:700px){
  .chapter{
    min-height:100vh;
    min-height:100dvh;
    padding:110px var(--gutter) 60px;
    align-items:flex-end;
    padding-bottom:100px;
  }
  .chapter--hero{ min-height:100vh; min-height:100dvh; padding-top:140px; align-items:center; }
  .chapter--contact{ min-height:auto; padding-bottom:80px; }

  .eyebrow{ font-size:.66rem; letter-spacing:.25em; margin-bottom:14px; }
  .display{ font-size:clamp(1.9rem, 7.5vw, 3.2rem); line-height:1.08; }
  .lede{ font-size:.95rem; line-height:1.65; margin-top:16px; max-width:100%; }

  .hero-actions{ flex-direction:column; gap:12px; margin-top:32px; width:100%; }
  .hero-actions .btn{ width:100%; }

  .card-grid, .fleet-grid{
    display:flex;
    grid-template-columns:none;
    gap:16px;
    overflow-x:auto;
    overflow-y:visible;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
    padding:30px 0 18px;
    margin:30px calc(var(--gutter) * -1) 0;
    background:none;
    border:0;
    scrollbar-width:none;
  }
  .card-grid::-webkit-scrollbar, .fleet-grid::-webkit-scrollbar{ display:none; }

  .info-card, .fleet-card{
    flex:0 0 72%;
    scroll-snap-align:start;
    border:1px solid rgba(201, 169, 97, 0.25);
    border-radius:4px;
    background:rgba(12,17,28,.55);
    backdrop-filter:blur(16px) saturate(140%);
    -webkit-backdrop-filter:blur(16px) saturate(140%);
    animation:golden-halo 3.5s ease-in-out infinite;
  }
  .fleet-card:hover{ transform:none; }
  .fleet-title{ font-size:1.35rem; text-align:center; margin-bottom:8px; }
  .fleet-specs{ justify-content:center; }

  .card-grid::after, .fleet-grid::after{
    content:"";
    flex:0 0 var(--gutter);
  }

  .stat-grid{
    display:flex;
    grid-template-columns:none;
    gap:14px;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
    padding:30px 0 18px;
    margin:30px calc(var(--gutter) * -1) 0;
    background:none;
    border:0;
    scrollbar-width:none;
  }
  .stat-grid::-webkit-scrollbar{ display:none; }
  .stat{
    flex:0 0 72%;
    scroll-snap-align:start;
    padding:28px 22px;
  }
  .stat dt{ font-size:2.2rem; }

  .contact-panel{ max-width:100%; margin-top:32px; padding:22px 0; }
  .contact-line{ font-size:.95rem; }

  .btn--large{ width:100%; padding:15px 28px; font-size:.78rem; }

  .site-footer{ padding:36px var(--gutter) 28px; }
  .footer-inner{ gap:18px; }
  .footer-nav{ gap:18px; }
  .footer-fine{ font-size:.68rem; }

  .header-actions .btn--ghost{ padding:10px 18px; font-size:.68rem; }
}

@media (max-width:380px){
  .chapter{ padding:100px 18px 50px; }
  .display{ font-size:1.75rem; }
  .lede{ font-size:.9rem; }
  .hero-actions .btn{ padding:14px 20px; font-size:.72rem; }
  .fleet-title{ font-size:1.2rem; }
}