/* ==========================================================================
   SKYSTARS FREIGHT LIMITED — MAIN STYLESHEET
   Style: Glassmorphism / Ocean Blue & Navy
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand colors */
  --color-primary: #0077B6;        /* Ocean Blue */
  --color-primary-rgb: 0, 119, 182;
  --color-navy: #023E8A;           /* Dark Navy accent */
  --color-navy-rgb: 2, 62, 138;
  --color-gold: #FFC107;           /* Star accent, pulled from logo */
  --color-gold-rgb: 255, 193, 7;
  --color-sky: #90E0EF;            /* Light sky highlight */

  /* Light theme surface */
  --bg-body: #F5F9FC;
  --bg-body-rgb: 245, 249, 252;
  --bg-surface: #FFFFFF;
  --text-primary: #08213D;
  --text-secondary: #4A5E75;
  --border-soft: rgba(2, 62, 138, 0.10);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-strong: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-blur: 16px;
  --glass-shadow: 0 8px 32px rgba(2, 62, 138, 0.12);

  /* Navbar */
  --nav-bg: rgba(255, 255, 255, 0.65);

  /* Typography */
  --font-display: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Radii & spacing */
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --section-pad: 6rem;

  /* Motion */
  --transition-base: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Dark mode overrides */
[data-theme="dark"] {
  --bg-body: #061426;
  --bg-body-rgb: 6, 20, 38;
  --bg-surface: #0B2038;
  --text-primary: #EAF3FB;
  --text-secondary: #A9BFD6;
  --border-soft: rgba(144, 224, 239, 0.12);

  --glass-bg: rgba(11, 32, 56, 0.55);
  --glass-bg-strong: rgba(11, 32, 56, 0.78);
  --glass-border: rgba(144, 224, 239, 0.14);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);

  --nav-bg: rgba(6, 20, 38, 0.65);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 700;
}

p { color: var(--text-secondary); line-height: 1.75; }

a { text-decoration: none; }

.text-secondary-custom { color: var(--text-secondary) !important; }

section { padding: var(--section-pad) 0; }

.bg-body-custom { background-color: var(--bg-body); }
.bg-surface-custom { background-color: var(--bg-surface); }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--color-gold);
  display: inline-block;
}

.section-title { font-size: clamp(1.9rem, 3.4vw, 2.75rem); margin-top: 0.5rem; }
.section-sub { max-width: 640px; font-size: 1.05rem; }

/* Focus visibility for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Preloader ---------- */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: linear-gradient(135deg, var(--color-navy), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1.25rem;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.loaded { opacity: 0; visibility: hidden; }
#preloader img {
  width: 92px;
  animation: float-pulse 1.8s ease-in-out infinite;
}
.preloader-track {
  width: 180px;
  height: 4px;
  background: rgba(255,255,255,0.25);
  border-radius: 10px;
  overflow: hidden;
}
.preloader-bar {
  width: 40%;
  height: 100%;
  background: var(--color-gold);
  border-radius: 10px;
  animation: loading-slide 1.1s ease-in-out infinite;
}
@keyframes loading-slide {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(340%); }
}
@keyframes float-pulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ---------- Glassmorphism Utility ---------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-md);
}
.glass-strong {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-md);
}

/* ---------- Navbar ---------- */
.navbar-glass {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1030;
  background: var(--nav-bg);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-base);
  padding: 0.65rem 0;
}
.navbar-glass.scrolled {
  box-shadow: 0 6px 24px rgba(2, 62, 138, 0.15);
  padding: 0.35rem 0;
}
.navbar-brand-custom { display: flex; align-items: center; gap: 0.6rem; }
.navbar-brand-custom img { height: 42px; width: auto; transition: height var(--transition-base); }
.navbar-glass.scrolled .navbar-brand-custom img { height: 36px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--text-primary); }
.brand-text span { font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-primary); }

.nav-link-custom {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--text-primary) !important;
  margin: 0 0.35rem;
  padding: 0.5rem 0.9rem !important;
  border-radius: 50px;
  position: relative;
  transition: all var(--transition-base);
}
.nav-link-custom:hover,
.nav-link-custom.active {
  color: var(--color-primary) !important;
  background: rgba(var(--color-primary-rgb), 0.10);
}

.theme-toggle-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: all var(--transition-base);
  cursor: pointer;
}
.theme-toggle-btn:hover { background: var(--color-primary); color: #fff; transform: rotate(20deg); }

.btn-nav-cta {
  background: var(--color-gold);
  color: var(--color-navy) !important;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.55rem 1.3rem;
  border-radius: 50px;
  transition: all var(--transition-base);
  border: none;
}
.btn-nav-cta:hover { background: var(--color-navy); color: #fff !important; transform: translateY(-2px); }

/* ---------- Buttons ---------- */
.btn-primary-custom {
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  border: none;
  transition: all var(--transition-base);
  box-shadow: 0 8px 24px rgba(var(--color-primary-rgb), 0.35);
}
.btn-primary-custom:hover { background: var(--color-navy); color: #fff; transform: translateY(-3px); box-shadow: 0 12px 28px rgba(var(--color-navy-rgb), 0.4); }

.btn-outline-custom {
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  border: 1.5px solid var(--border-soft);
  transition: all var(--transition-base);
}
.btn-outline-custom:hover { border-color: var(--color-primary); background: rgba(var(--color-primary-rgb), 0.08); }

.btn-gold-custom {
  background: var(--color-gold);
  color: var(--color-navy);
  font-family: var(--font-display);
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  border: none;
  transition: all var(--transition-base);
  box-shadow: 0 8px 24px rgba(var(--color-gold-rgb), 0.35);
}
.btn-gold-custom:hover { background: var(--color-navy); color: #fff; transform: translateY(-3px); }

/* ---------- Hero (Video Background) ---------- */
.hero-video-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 6rem;
}
.hero-video-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(2,62,138,0.88) 0%, rgba(0,119,182,0.75) 45%, rgba(2,62,138,0.9) 100%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; }

.hero-glass-card {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.hero-glass-card h1 { color: #fff; font-size: clamp(2.1rem, 4.6vw, 3.6rem); line-height: 1.15; }
.hero-glass-card .hero-tagline {
  color: var(--color-gold);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
}
.hero-glass-card p { color: rgba(255,255,255,0.88); font-size: 1.1rem; }

.hero-stats { display: flex; gap: 2.2rem; flex-wrap: wrap; }
.hero-stat strong { display: block; font-family: var(--font-display); font-size: 1.9rem; color: #fff; }
.hero-stat span { color: rgba(255,255,255,0.75); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; }

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce-down 2s infinite;
}
@keyframes bounce-down {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 10px); }
}

/* ---------- Page Hero (interior pages) ---------- */
.page-hero {
  position: relative;
  padding: 9.5rem 0 5rem;
  background: linear-gradient(150deg, var(--color-navy), var(--color-primary));
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(255,193,7,0.25), transparent 70%);
  top: -220px; right: -120px;
  border-radius: 50%;
}
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); }
.page-hero p { color: rgba(255,255,255,0.85); }
.breadcrumb-custom a { color: rgba(255,255,255,0.75); }
.breadcrumb-custom .current { color: var(--color-gold); }

/* ---------- Cards ---------- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  height: 100%;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: var(--glass-shadow);
}
.glass-card:hover { transform: translateY(-8px); box-shadow: 0 20px 45px rgba(2, 62, 138, 0.2); }

.icon-badge {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-navy));
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}
.icon-badge.gold { background: linear-gradient(135deg, var(--color-gold), #E0A800); color: var(--color-navy); }

/* ---------- Timeline (scroll storytelling) ---------- */
.timeline { position: relative; padding-left: 0; }
.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: repeating-linear-gradient(to bottom, var(--color-primary) 0 8px, transparent 8px 16px);
  transform: translateX(-50%);
}
.timeline-item { position: relative; width: 50%; padding: 0 3rem 3.5rem; }
.timeline-item:nth-child(odd) { left: 0; text-align: right; }
.timeline-item:nth-child(even) { left: 50%; text-align: left; }
.timeline-dot {
  position: absolute;
  top: 0.4rem;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 3px solid var(--bg-body);
  box-shadow: 0 0 0 3px var(--color-primary);
}
.timeline-item:nth-child(odd) .timeline-dot { right: -9px; }
.timeline-item:nth-child(even) .timeline-dot { left: -9px; }
.timeline-year {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 767.98px) {
  .timeline::before { left: 14px; }
  .timeline-item, .timeline-item:nth-child(odd), .timeline-item:nth-child(even) {
    width: 100%; left: 0; text-align: left; padding: 0 0 2.5rem 3rem;
  }
  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot { left: 5px; right: auto; }
}

/* ---------- Flight path signature element ---------- */
.route-path-wrap { position: relative; }
.route-svg { width: 100%; height: auto; }
.route-svg .route-line {
  fill: none;
  stroke: var(--color-gold);
  stroke-width: 2;
  stroke-dasharray: 8 8;
  stroke-linecap: round;
  animation: dash-fly 30s linear infinite;
}
@keyframes dash-fly { to { stroke-dashoffset: -1000; } }
.route-svg .route-node { fill: var(--color-primary); }
.route-svg .route-plane { fill: var(--color-gold); }

/* ---------- Fade-in on scroll ---------- */
.fade-in-up {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in-up.is-visible { opacity: 1; transform: translateY(0); }
.fade-in-up.delay-1 { transition-delay: 0.1s; }
.fade-in-up.delay-2 { transition-delay: 0.2s; }
.fade-in-up.delay-3 { transition-delay: 0.3s; }
.fade-in-up.delay-4 { transition-delay: 0.4s; }

/* ---------- Stats band ---------- */
.stats-band {
  background: linear-gradient(120deg, var(--color-navy), var(--color-primary));
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  color: #fff;
}
.stats-band .stat-num { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; color: var(--color-gold); }
.stats-band .stat-label { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: rgba(255,255,255,0.85); }

/* ---------- Team ---------- */
.team-card { text-align: center; }
.team-photo-wrap {
  width: 130px; height: 130px;
  margin: 0 auto 1.2rem;
  border-radius: 50%;
  padding: 5px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-primary));
}
.team-photo-wrap img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; border: 3px solid var(--bg-surface); }
.team-social { display: flex; justify-content: center; gap: 0.6rem; margin-top: 0.9rem; }
.team-social a {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
  transition: all var(--transition-base);
  font-size: 0.85rem;
}
.team-social a:hover { background: var(--color-primary); color: #fff; }

/* ---------- News ---------- */
.news-card img { border-radius: var(--radius-md) var(--radius-md) 0 0; height: 210px; object-fit: cover; width: 100%; }
.news-meta { font-size: 0.78rem; color: var(--color-primary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.news-card .card-body-custom { padding: 1.6rem; }

/* ---------- FAQ Accordion ---------- */
.accordion-custom .accordion-item {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm) !important;
  margin-bottom: 1rem;
  overflow: hidden;
}
.accordion-custom .accordion-button {
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 600;
  box-shadow: none !important;
}
.accordion-custom .accordion-button:not(.collapsed) { color: var(--color-primary); }
.accordion-custom .accordion-button::after { filter: none; }
.accordion-custom .accordion-body { color: var(--text-secondary); }

/* ---------- Forms ---------- */
.form-glass { padding: 2.5rem; }
.form-control-custom {
  background: rgba(var(--bg-body-rgb), 0.6);
  border: 1px solid var(--border-soft);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
}
.form-control-custom:focus {
  background: var(--bg-surface);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.15);
  color: var(--text-primary);
}
.form-label-custom { font-family: var(--font-display); font-weight: 600; font-size: 0.88rem; margin-bottom: 0.4rem; }
.invalid-feedback-custom { color: #d9435e; font-size: 0.8rem; margin-top: 0.3rem; display: none; }
.was-validated-custom .form-control-custom:invalid ~ .invalid-feedback-custom,
.form-control-custom.is-invalid ~ .invalid-feedback-custom { display: block; }
.form-control-custom.is-invalid { border-color: #d9435e; }
.form-control-custom.is-valid { border-color: #12b76a; }

#formSuccessAlert { display: none; }

/* ---------- Map ---------- */
.map-wrap { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--glass-border); box-shadow: var(--glass-shadow); }
.map-wrap iframe { width: 100%; height: 100%; min-height: 380px; border: 0; filter: saturate(0.9); }

/* ---------- Sticky CTA ---------- */
.sticky-cta {
  position: fixed;
  right: 1.5rem;
  bottom: 6.5rem;
  z-index: 1040;
  background: var(--color-gold);
  color: var(--color-navy);
  font-family: var(--font-display);
  font-weight: 700;
  border-radius: 50px;
  padding: 0.9rem 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: 0 12px 30px rgba(255,193,7,0.4);
  transition: all var(--transition-base);
  animation: pulse-glow 2.6s ease-in-out infinite;
}
.sticky-cta:hover { background: var(--color-navy); color: #fff; transform: scale(1.05); }
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 12px 30px rgba(255,193,7,0.4); }
  50% { box-shadow: 0 12px 40px rgba(255,193,7,0.7); }
}

/* ---------- Back to top ---------- */
#backToTop {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 1040;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
}
#backToTop.show { opacity: 1; visibility: visible; transform: translateY(0); }
#backToTop:hover { background: var(--color-primary); }

/* ---------- Footer ---------- */
.footer-minimal {
  background: var(--color-navy);
  color: rgba(255,255,255,0.8);
  padding: 1.6rem 0;
}
[data-theme="dark"] .footer-minimal { background: #030d1c; }
.footer-minimal a { color: rgba(255,255,255,0.85); }
.footer-social { display: flex; gap: 0.7rem; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.08);
  transition: all var(--transition-base);
}
.footer-social a:hover { background: var(--color-gold); color: var(--color-navy) !important; }

/* ---------- Misc ---------- */
.divider-dot { color: var(--color-gold); margin: 0 0.5rem; }
.badge-soft {
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  display: inline-block;
}

.process-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: rgba(var(--color-primary-rgb), 0.18);
  line-height: 1;
}

.logo-mark { height: 34px; width: auto; }

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-gold);
  color: var(--color-navy);
  padding: 0.7rem 1.2rem;
  z-index: 10000;
  border-radius: 0 0 8px 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; }