/* =========================================================
   AEROLANE: Global stylesheet
   1. Theme  2. Base  3. Buttons  4. Header  5. Hero
   6. Cards  7. Thumbs  8. Services  9. How to book
   10. Fleet  11. Footer  12. Motion  13. Accessibility
   ========================================================= */

/* ============ 1. Theme ============ */
:root {
  --c-primary: #0f3d3e;      /* deep teal */
  --c-secondary: #1b2a41;    /* midnight */
  --c-accent: #f2a541;       /* amber */
  --c-dark: #0b1320;
  --c-light: #f6f3ec;        /* warm paper */
  --c-muted: #5d6b78;
  --c-white: #fff;
  --font-head: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, sans-serif;
  --radius: 18px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --shadow: 0 20px 50px -20px rgba(11, 19, 32, .25);

  /* Bootstrap overrides */
  --bs-primary: var(--c-primary);
  --bs-primary-rgb: 15, 61, 62;
  --bs-body-font-family: var(--font-body);
  --bs-body-color: var(--c-dark);
  --bs-body-bg: var(--c-light);
  --bs-border-radius: var(--radius);
}

/* ============ 2. Base ============ */
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--c-light); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; letter-spacing: -.02em; line-height: 1.1; }
h1 { font-size: clamp(2.6rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
.section { padding: clamp(4rem, 9vw, 8rem) 0; }
.eyebrow { text-transform: uppercase; letter-spacing: .18em; font-size: .75rem; font-weight: 600; color: var(--c-accent); }
.lead-muted { color: var(--c-muted); font-size: 1.125rem; max-width: 56ch; }
.bg-ink { background: var(--c-primary); color: var(--c-white); }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 9999; background: #fff; padding: .5rem 1rem; }
:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 3px; }

/* ============ 3. Buttons (magnetic + sheen) ============ */
.btn-brand, .btn-ghost {
  position: relative; overflow: hidden; display: inline-flex; align-items: center; gap: .6rem;
  padding: .95rem 1.8rem; border-radius: 999px; font-weight: 600; border: 0; text-decoration: none;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease); will-change: transform;
}
.btn-brand { background: var(--c-accent); color: var(--c-dark); }
.btn-brand::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.55) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .7s var(--ease);
}
.btn-brand:hover { color: var(--c-dark); box-shadow: 0 14px 30px -10px rgba(242,165,65,.7); }
.btn-brand:hover::after { transform: translateX(120%); }
.btn-ghost { background: transparent; color: inherit; box-shadow: inset 0 0 0 1.5px currentColor; }
.btn-ghost:hover { background: rgba(255,255,255,.1); color: inherit; }

/* ============ 4. Header / Nav ============ */

.brand-img { display: inline-flex; align-items: center; }
.brand-img img { height: 40px; width: auto; display: block; }
.brand-img .logo-dark { display: none; }

/* Swap to the dark logo when the header has a light background */
.scrolled .brand-img .logo-light,
.header-solid .brand-img .logo-light { display: none; }
.scrolled .brand-img .logo-dark,
.header-solid .brand-img .logo-dark { display: block; }

/* Footer always uses the light logo on dark background */
.site-footer .brand-img .logo-light { display: block; }
.site-footer .brand-img .logo-dark { display: none; }

@media (max-width: 575.98px) { .brand-img img { height: 32px; } }

.site-header { position: fixed; inset: 0 0 auto; z-index: 1000; padding: 1rem 0; transition: background .4s, padding .4s, box-shadow .4s; }
.site-header.scrolled { background: rgba(246,243,236,.9); backdrop-filter: blur(14px); padding: .55rem 0; box-shadow: 0 1px 0 rgba(0,0,0,.06); }
.site-header.header-solid { background: var(--c-light); }
.brand { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; color: var(--c-white); text-decoration: none; }
.scrolled .brand, .header-solid .brand { color: var(--c-primary); }
.brand span { color: var(--c-accent); }
.nav-link-u { position: relative; color: var(--c-white); text-decoration: none; padding: .4rem 0; font-weight: 500; }
.scrolled .nav-link-u, .header-solid .nav-link-u { color: var(--c-dark); }
.nav-link-u::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--c-accent);
  transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease);
}
.nav-link-u:hover::after, .nav-link-u.active::after { transform: scaleX(1); transform-origin: left; }

/* Animated hamburger */
.burger { width: 44px; height: 44px; border: 0; background: transparent; position: relative; }
.burger span { position: absolute; left: 11px; width: 22px; height: 2px; background: var(--c-white); border-radius: 2px; transition: transform .45s var(--ease), opacity .25s; }
.scrolled .burger span, .header-solid .burger span { background: var(--c-dark); }
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 27px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 991.98px) {
  .nav-panel { background: var(--c-primary); border-radius: var(--radius); margin-top: .75rem; padding: 1.25rem 1.5rem; }
  .nav-panel .nav-link-u { color: #fff; display: inline-block; }
  .nav-panel li { opacity: 0; transform: translateY(10px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
  .nav-panel.show li { opacity: 1; transform: none; }
  .nav-panel.show li:nth-child(2) { transition-delay: .05s; }
  .nav-panel.show li:nth-child(3) { transition-delay: .1s; }
  .nav-panel.show li:nth-child(4) { transition-delay: .15s; }
  .nav-panel.show li:nth-child(5) { transition-delay: .2s; }
  .nav-panel.show li:nth-child(6) { transition-delay: .25s; }
}

/* ============ 5. Hero (image background) ============ */
.hero {
  min-height: 100svh; display: grid; align-items: center; color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--c-dark), var(--c-primary)); /* fallback if image is missing */
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: url("../images/prime-services-247-Hero-banner.webp") center / cover no-repeat;
  animation: kenburns 24s ease-in-out infinite alternate; will-change: transform;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(11,19,32,.93) 0%, rgba(15,61,62,.78) 55%, rgba(11,19,32,.55) 100%),
    radial-gradient(700px 400px at 85% 10%, rgba(242,165,65,.25), transparent 60%);
}
@keyframes kenburns { to { transform: scale3d(1.08, 1.08, 1) translate3d(-1%, -1%, 0); } }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1; opacity: .06;
  background-image: linear-gradient(#fff 1px, transparent 1px), linear-gradient(90deg, #fff 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero .container { position: relative; z-index: 2; }
.hero em { font-style: italic; color: var(--c-accent); }
.plane { position: absolute; z-index: 1; right: -80px; bottom: 12%; width: 360px; opacity: .08; animation: drift 14s ease-in-out infinite alternate; }
@keyframes drift { to { transform: translate3d(-60px, -30px, 0) rotate(-4deg); } }

.booking-card { background: rgba(255,255,255,.96); color: var(--c-dark); border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow); }
.form-control, .form-select { border-radius: 12px; padding: .8rem 1rem; border: 1.5px solid #dcd7cb; }
.form-control:focus, .form-select:focus { border-color: var(--c-primary); box-shadow: 0 0 0 .25rem rgba(15,61,62,.15); }

/* ============ 6. Cards ============ */
.card-x {
  background: #fff; border-radius: var(--radius); padding: 2rem; height: 100%; border: 1px solid rgba(0,0,0,.05);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.card-x:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.icon-chip { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--c-primary); color: var(--c-accent); font-size: 1.4rem; margin-bottom: 1.25rem; }
.airport-card { display: block; text-decoration: none; color: inherit; position: relative; overflow: hidden; }
.airport-card:hover { color: inherit; }
.airport-card .arrow { display: inline-block; transition: transform .4s var(--ease); }
.airport-card:hover .arrow { transform: translateX(8px); }
.quote { font-family: var(--font-head); font-size: 1.15rem; }
.stars { color: var(--c-accent); letter-spacing: 3px; }
.cta-band { background: linear-gradient(120deg, var(--c-primary), var(--c-secondary)); color: #fff; border-radius: calc(var(--radius) * 1.6); padding: clamp(2.5rem, 6vw, 5rem); }

/* ============ 7. Image thumbs (airports + fleet) ============ */
.thumb {
  position: relative; overflow: hidden; aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--c-secondary), var(--c-primary));
}
.thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); will-change: transform; }
.thumb::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(to top, rgba(11,19,32,.65), transparent 55%); }
.card-x.has-thumb { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.card-x.has-thumb .body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.card-x.has-thumb:hover .thumb img { transform: scale(1.08); }
.code-badge { position: absolute; z-index: 2; left: 1rem; bottom: .8rem; font-family: var(--font-head); font-size: 2.2rem; font-weight: 700; color: #fff; line-height: 1; }
.code-badge small { display: block; font-family: var(--font-body); font-size: .7rem; letter-spacing: .15em; color: var(--c-accent); }
.price-tag { position: absolute; z-index: 2; right: 1rem; top: 1rem; background: var(--c-accent); color: var(--c-dark); font-weight: 600; font-size: .8rem; padding: .35rem .8rem; border-radius: 999px; }

/* ============ 8. Services ============ */
.service { position: relative; overflow: hidden; }
.service::before {
  content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%; background: var(--c-accent);
  transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease);
}
.service:hover::before { transform: scaleX(1); }
.service .more { color: var(--c-primary); font-weight: 600; text-decoration: none; display: inline-flex; gap: .4rem; margin-top: auto; }
.service .more span { transition: transform .4s var(--ease); }
.service .more:hover span { transform: translateX(6px); }

/* ============ 9. How to book ============ */
.step { position: relative; padding-top: 1rem; }
.step-num {
  font-family: var(--font-head); font-size: 4.5rem; line-height: 1; color: transparent;
  -webkit-text-stroke: 1.5px var(--c-accent); margin-bottom: .75rem; display: inline-block;
  transition: color .4s, transform .5s var(--ease);
}
.step:hover .step-num { color: var(--c-accent); transform: translateY(-4px); }
.step p { color: rgba(255,255,255,.7); }
@media (min-width: 992px) {
  .step:not(:last-child)::after { content: ""; position: absolute; top: 3.4rem; left: 6rem; right: -1rem; border-top: 2px dashed rgba(255,255,255,.25); }
}

/* ============ 10. Fleet preview ============ */
.spec { display: flex; gap: 1rem; flex-wrap: wrap; color: var(--c-muted); font-size: .9rem; margin: .5rem 0 1rem; }
.fleet-card .price { font-family: var(--font-head); font-size: 1.4rem; margin-top: auto; }

/* ============ 11. Footer ============ */
.site-footer { background: var(--c-dark); color: #aab4bf; padding: 5rem 0 2rem; }
.site-footer a { color: #aab4bf; text-decoration: none; transition: color .3s; }
.site-footer a:hover { color: var(--c-accent); }
.site-footer .brand { color: #fff; }
.site-footer h5 { color: #fff; font-family: var(--font-head); }

/* ============ 12. Motion: reveal + page transitions ============ */
.reveal { opacity: 0; transform: translate3d(0, 32px, 0); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }
body { animation: pageIn .6s var(--ease); }
@keyframes pageIn { from { opacity: 0; } }
body.leaving { opacity: 0; transition: opacity .25s; }

/* ============ 13. Accessibility ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important; scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* About: banner + FAQ + links */
.banner { position: relative; border-radius: calc(var(--radius) * 1.4); overflow: hidden; aspect-ratio: 21 / 8; min-height: 220px;
  background: linear-gradient(135deg, var(--c-secondary), var(--c-primary)); }
.banner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.accordion { --bs-accordion-border-radius: var(--radius); --bs-accordion-inner-border-radius: var(--radius);
  --bs-accordion-active-bg: #fff; --bs-accordion-active-color: var(--c-primary); --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem rgba(15,61,62,.15); }
.accordion-item { border-radius: var(--radius) !important; border: 1px solid rgba(0,0,0,.06); margin-bottom: .75rem; overflow: hidden; }
.accordion-button { font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; }
.apt-link { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem; border-radius: 14px; background: var(--c-light);
  color: var(--c-dark); text-decoration: none; font-weight: 600; transition: transform .4s var(--ease), background .3s; }
.apt-link:hover { background: var(--c-primary); color: #fff; transform: translateX(6px); }
.apt-link small { color: var(--c-accent); letter-spacing: .12em; }

/* ============ Services page ============ */
.svc-tabs { display: flex; flex-wrap: nowrap; gap: .5rem; overflow-x: auto; padding: .25rem 0 .75rem; scrollbar-width: none; }
.svc-tabs::-webkit-scrollbar { display: none; }
.svc-tabs .nav-link { white-space: nowrap; border-radius: 999px; background: #fff; color: var(--c-dark); font-weight: 600;
  border: 1px solid rgba(0,0,0,.08); padding: .7rem 1.3rem; transition: transform .4s var(--ease), background .3s, color .3s; }
.svc-tabs .nav-link:hover { transform: translateY(-2px); }
.svc-tabs .nav-link.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.svc-media .thumb { border-radius: var(--radius); }
.checklist { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; gap: .6rem; }
.checklist li { position: relative; padding-left: 1.8rem; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 1.25rem; height: 1.25rem; border-radius: 50%;
  background: var(--c-accent); color: var(--c-dark); font-size: .75rem; font-weight: 700; display: grid; place-items: center; }