/* ============================================================
   AVTAJ.COM — main.css
   Mobile-first | CSS Variables | Core Web Vitals optimised
   ============================================================ */

/* ─── CSS Variables ──────────────────────────────────────── */
:root {
  /* Brand */
  --navy:        #0A1628;
  --navy-mid:    #1E3A5F;
  --navy-light:  #2A5298;
  --gold:        #C9962A;
  --gold-light:  #EFB830;
  --gold-pale:   #FDF3DC;

  /* Neutrals */
  --white:       #FFFFFF;
  --gray-50:     #F8F9FA;
  --gray-100:    #F1F3F5;
  --gray-200:    #E9ECEF;
  --gray-300:    #DEE2E6;
  --gray-400:    #CED4DA;
  --gray-500:    #ADB5BD;
  --gray-600:    #6C757D;
  --gray-700:    #495057;
  --gray-800:    #343A40;
  --gray-900:    #212529;

  /* Semantic */
  --text-primary:   #1A1A2E;
  --text-secondary: #4A5568;
  --text-muted:     #718096;
  --border:         #E2E8F0;
  --border-hover:   #CBD5E0;
  --bg-page:        #F7F8FC;
  --bg-card:        #FFFFFF;
  --success:        #1D9E75;
  --danger:         #E24B4A;
  --warning:        #C9962A;

  /* Typography */
  --font-body:    'Georgia', 'Times New Roman', serif;
  --font-ui:      -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:    'Courier New', monospace;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Layout */
  --max-width:    1200px;
  --max-width-sm: 800px;
  --radius-sm:    4px;
  --radius-md:    8px;
  --radius-lg:    12px;
  --radius-xl:    20px;
  --radius-full:  9999px;

  /* Transitions */
  --transition: 0.2s ease;
  --transition-slow: 0.35s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-family: var(--font-body); font-weight: 700; line-height: 1.2; }
p { margin: 0 0 var(--space-md); }
button { cursor: pointer; border: none; background: none; font-family: var(--font-ui); }

/* ─── Layout utilities ───────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-lg); }
}

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

/* ─── Navigation ─────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 1px solid var(--navy-mid);
}

.nav-container {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  height: 60px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.nav-logo img { height: 36px; width: auto; }

.nav-links {
  display: none;
  align-items: center;
  gap: 4px;
  margin-left: var(--space-lg);
  flex: 1;
}

@media (min-width: 900px) {
  .nav-links { display: flex; }
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.75);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link.nav-active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav-link.nav-active {
  color: var(--gold-light);
}

.nav-actions { margin-left: auto; display: flex; align-items: center; gap: var(--space-sm); }

.nav-alert-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--gold);
  color: var(--navy);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}

.nav-alert-btn:hover { background: var(--gold-light); transform: translateY(-1px); }

.nav-alert-text { display: none; }
@media (min-width: 640px) { .nav-alert-text { display: inline; } }

/* Mobile hamburger */
.nav-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  margin-left: auto;
}

@media (min-width: 900px) { .nav-hamburger { display: none; } }

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--navy);
  border-top: 1px solid var(--navy-mid);
  padding: var(--space-sm) 0 var(--space-md);
}

.nav-mobile.open { display: flex; }

.nav-mobile-links { display: flex; flex-direction: column; }

.nav-mobile-link {
  padding: 12px var(--space-lg);
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}

.nav-mobile-link:hover,
.nav-mobile-link.nav-active {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}

/* ─── Hero / Search section ─────────────────────────────── */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: var(--space-2xl) 0 var(--space-3xl);
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(201,150,42,0.15);
  color: var(--gold-light);
  border: 1px solid rgba(201,150,42,0.3);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--white);
  margin-bottom: var(--space-md);
  font-family: var(--font-body);
}

.hero h1 span { color: var(--gold-light); }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  margin: 0 auto var(--space-xl);
  line-height: 1.6;
}

.hero-search {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  max-width: 860px;
  margin: 0 auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* ─── Section headings ───────────────────────────────────── */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.section-title {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  color: var(--text-primary);
  font-family: var(--font-body);
}

.section-title span { color: var(--gold); }

.section-link {
  font-size: 0.875rem;
  color: var(--navy-light);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.section-link:hover { gap: 8px; }

/* ─── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.card-body { padding: var(--space-md); }

.card-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  background: var(--gold-pale);
  color: var(--gold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.card-price {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--navy);
}

.card-price span {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* ─── Destination cards grid ─────────────────────────────── */
.dest-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .dest-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .dest-grid { grid-template-columns: repeat(6, 1fr); }
}

.dest-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
}

.dest-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.dest-card:hover .dest-card-img { transform: scale(1.06); }

.dest-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,0.85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
}

.dest-card-name {
  color: var(--white);
  font-weight: 700;
  font-size: 1.0625rem;
  font-family: var(--font-body);
}

.dest-card-price {
  color: var(--gold-light);
  font-size: 0.8125rem;
  margin-top: 2px;
}

/* ─── Deal cards ─────────────────────────────────────────── */
.deals-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .deals-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .deals-grid { grid-template-columns: repeat(3, 1fr); }
}

.deal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: transform var(--transition), border-color var(--transition);
}

.deal-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}

.deal-route {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
}

.deal-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.deal-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
}

.deal-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
}

.deal-cta {
  background: var(--gold);
  color: var(--navy);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  transition: background var(--transition);
}

.deal-cta:hover { background: var(--gold-light); }

/* ─── Breadcrumb ─────────────────────────────────────────── */
.breadcrumb { margin-bottom: var(--space-lg); }

.bc-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.bc-item a { color: var(--text-muted); transition: color var(--transition); }
.bc-item a:hover { color: var(--navy); }
.bc-sep { margin: 0 4px; }
.bc-current { color: var(--text-primary); font-weight: 500; }

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

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

.btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); }

.btn-navy {
  background: var(--navy);
  color: var(--white);
}

.btn-navy:hover { background: var(--navy-mid); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}

.btn-outline:hover { background: var(--navy); color: var(--white); }

.btn-lg { padding: 14px 32px; font-size: 1.0625rem; }
.btn-sm { padding: 6px 16px; font-size: 0.8125rem; }

/* ─── Alert/CTA banner ───────────────────────────────────── */
.alert-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: var(--white);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  text-align: center;
}

.alert-banner h2 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.alert-banner p {
  color: rgba(255,255,255,0.75);
  margin-bottom: var(--space-lg);
}

/* ─── Footer ─────────────────────────────────────────────── */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  margin-top: var(--space-3xl);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .footer-container { grid-template-columns: 240px 1fr; }
}

.footer-tagline {
  color: var(--gold-light);
  font-size: 0.875rem;
  font-style: italic;
  margin: var(--space-sm) 0;
}

.footer-desc { font-size: 0.875rem; line-height: 1.6; }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl) var(--space-lg);
}

@media (min-width: 640px) {
  .footer-nav { grid-template-columns: repeat(4, 1fr); }
}

.footer-heading {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: var(--space-md);
}

.footer-col ul li { margin-bottom: 8px; }
.footer-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-md);
}

.footer-bottom-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-copy { font-size: 0.8125rem; }

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer-social a:hover { color: var(--white); }

/* ─── Push notification banner ───────────────────────────── */
.push-banner {
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - var(--space-xl));
  max-width: 560px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  border: 1px solid var(--gold);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.push-banner-inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
}

.push-banner-icon { font-size: 1.5rem; flex-shrink: 0; }

.push-banner-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.push-banner-text strong { font-size: 0.9375rem; }
.push-banner-text span { font-size: 0.8125rem; color: rgba(255,255,255,0.7); }

.push-banner-actions { display: flex; align-items: center; gap: var(--space-sm); flex-shrink: 0; }

.push-banner-allow {
  background: var(--gold);
  color: var(--navy);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  transition: background var(--transition);
}

.push-banner-allow:hover { background: var(--gold-light); }

.push-banner-dismiss {
  color: rgba(255,255,255,0.5);
  font-size: 1rem;
  padding: 4px;
  transition: color var(--transition);
}

.push-banner-dismiss:hover { color: var(--white); }

/* ─── FAQ section ────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 2px; }

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  transition: background var(--transition);
}

.faq-question:hover { background: var(--gray-50); }

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform var(--transition);
}

.faq-item.open .faq-chevron { transform: rotate(180deg); }

.faq-answer {
  display: none;
  padding: 0 var(--space-lg) var(--space-md);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

.faq-item.open .faq-answer { display: block; }

/* ─── Utility classes ────────────────────────────────────── */
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted); }
.font-serif { font-family: var(--font-body); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ─── Responsive helpers ─────────────────────────────────── */
.hide-mobile { display: none; }
@media (min-width: 768px) {
  .hide-mobile { display: block; }
  .hide-desktop { display: none; }
}