/* ==========================================================================
   Shaden Travel Agency — Design System Foundation
   Concept: private aviation concierge meets safari-gateway logistics.
   Tokens sampled from the client's real logo asset (navy) + brief spec.
   ========================================================================== */

:root {
  /* ---- Color tokens ---- */
  --navy-deep: #0a273f;   /* sampled from client logo asset (assets/images/source/img-2.jpeg) */
  --navy-mid: #17334f;    /* raised panel / card surface on dark sections */
  --navy-mid-2: #1f4062;  /* hover/lighter panel state */
  --parchment: #f3ede0;
  --parchment-dim: #e9e1d0; /* subtle borders/dividers on parchment */
  --amber: #c98a3e;
  --amber-bright: #dda158;
  --safari-green: #4b5d45;
  --white: #ffffff;
  --ink: #0a273f;          /* body text on parchment */
  --ink-soft: rgba(10, 39, 63, 0.68);
  --paper-soft: rgba(243, 237, 224, 0.72);

  /* ---- Typography ---- */
  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;

  /* ---- Spacing scale ---- */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;

  /* ---- Layout ---- */
  --container-max: 1240px;
  --container-pad: clamp(1.25rem, 4vw, 3rem);
  --radius-sm: 6px;
  --radius-md: 8px;
  --nav-height: 84px;

  /* ---- Motion ---- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.25s;
  --dur-med: 0.5s;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--parchment);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0;
  color: inherit;
}

p {
  margin: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Loading screen
   ========================================================================== */

.loader {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--navy-deep);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  transition: opacity var(--dur-med) var(--ease-out), visibility var(--dur-med) var(--ease-out);
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-mark {
  position: relative;
  width: 84px;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-mark::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(201, 138, 62, 0.2);
  border-top-color: var(--amber);
  animation: loaderSpin 1s linear infinite;
}

.loader-logo {
  width: 44px;
  height: 39px;
}

@keyframes loaderSpin {
  to {
    transform: rotate(360deg);
  }
}

.loader-word {
  margin-top: var(--space-xs);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--parchment);
}

.loader-tagline {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

/* ---- Layout helpers ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section {
  padding: var(--space-2xl) 0;
}

.section--navy {
  background: var(--navy-deep);
  color: var(--parchment);
}

.section--parchment {
  background: var(--parchment);
  color: var(--ink);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  display: inline-block;
  margin-bottom: var(--space-sm);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    opacity var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--amber);
  color: var(--navy-deep);
}

.btn-primary:hover {
  background: var(--amber-bright);
}

.btn-outline {
  background: transparent;
  border-color: rgba(243, 237, 224, 0.35);
  color: var(--parchment);
}

.btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.btn-icon {
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
}

/* ==========================================================================
   Navigation — sticky, always dark, never inverts
   ========================================================================== */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(10, 39, 63, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(243, 237, 224, 0.08);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.nav-brand img {
  height: 38px;
  width: auto;
}

.nav-brand-type {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-brand-name {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--parchment);
}

.nav-brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(243, 237, 224, 0.82);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--parchment);
}

.nav-links a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1.5px;
  background: var(--amber);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.05rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(243, 237, 224, 0.3);
  color: var(--parchment);
  font-size: 0.85rem;
  font-weight: 600;
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.nav-cta:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.nav-cta svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.4rem;
  color: var(--parchment);
}

.nav-toggle svg {
  width: 1.5rem;
  height: 1.5rem;
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--navy-deep);
    border-bottom: 1px solid rgba(243, 237, 224, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--dur-med) var(--ease-out);
  }

  .nav-links.is-open {
    max-height: 320px;
  }

  .nav-links a {
    width: 100%;
    padding: 1rem var(--container-pad);
  }

  .nav-links .nav-cta {
    width: calc(100% - (var(--container-pad) * 2));
    margin: 0.75rem var(--container-pad) 1.25rem;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

/* ==========================================================================
   Boarding-pass service card — the signature layout device
   ========================================================================== */

.boarding-row {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0.5rem var(--container-pad) var(--space-md);
  margin: 0 calc(var(--container-pad) * -1);
  scrollbar-width: thin;
  scrollbar-color: var(--amber) transparent;
}

.boarding-row::-webkit-scrollbar {
  height: 6px;
}

.boarding-row::-webkit-scrollbar-thumb {
  background: rgba(201, 138, 62, 0.5);
  border-radius: 3px;
}

.boarding-pass {
  scroll-snap-align: start;
  flex: 0 0 min(340px, 82vw);
  background: var(--navy-mid);
  border-radius: var(--radius-md);
  overflow: hidden;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.boarding-pass.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.boarding-pass__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.15rem 1.4rem;
}

.boarding-pass__code {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--amber);
}

.boarding-pass__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(243, 237, 224, 0.55);
}

.boarding-pass__tear {
  position: relative;
  height: 0;
  border-top: 1.5px dashed rgba(243, 237, 224, 0.3);
  margin: 0 0.9rem;
}

.boarding-pass__tear::before,
.boarding-pass__tear::after {
  content: '';
  position: absolute;
  top: -8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--parchment);
}

.boarding-pass__tear::before {
  left: -1.3rem;
}

.boarding-pass__tear::after {
  right: -1.3rem;
}

.boarding-pass__body {
  padding: 1.4rem 1.4rem 1rem;
}

.boarding-pass__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--parchment);
  margin-bottom: 0.65rem;
}

.boarding-pass__desc {
  font-size: 0.92rem;
  color: rgba(243, 237, 224, 0.75);
  line-height: 1.55;
}

.boarding-pass__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.4rem 1.3rem;
}

.boarding-pass__barcode {
  flex: 1;
  height: 28px;
  background: repeating-linear-gradient(
    90deg,
    rgba(243, 237, 224, 0.85) 0px,
    rgba(243, 237, 224, 0.85) 2px,
    transparent 2px,
    transparent 4px,
    rgba(243, 237, 224, 0.85) 4px,
    rgba(243, 237, 224, 0.85) 7px,
    transparent 7px,
    transparent 9px,
    rgba(243, 237, 224, 0.85) 9px,
    rgba(243, 237, 224, 0.85) 10px,
    transparent 10px,
    transparent 13px
  );
  opacity: 0.85;
}

.boarding-pass__seq {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(243, 237, 224, 0.5);
  margin-left: 0.9rem;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .boarding-row {
    flex-direction: column;
    overflow: visible;
    scroll-snap-type: none;
    padding: 0.5rem 0 0;
    margin: 0;
  }

  .boarding-pass {
    flex: 1 1 auto;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--navy-deep);
  color: rgba(243, 237, 224, 0.7);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(243, 237, 224, 0.1);
}

.footer-brand img {
  height: 34px;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 32ch;
  color: rgba(243, 237, 224, 0.6);
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
  display: block;
}

.footer-col ul li {
  margin-bottom: 0.65rem;
}

.footer-col a,
.footer-col p {
  font-size: 0.9rem;
  color: rgba(243, 237, 224, 0.72);
  transition: color var(--dur-fast) var(--ease-out);
}

.footer-col a:hover {
  color: var(--amber);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: var(--space-md);
  font-size: 0.8rem;
  color: rgba(243, 237, 224, 0.5);
}

.footer-credit a {
  font-weight: 700;
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.footer-credit a:hover {
  opacity: 0.75;
}

@media (max-width: 780px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}