/* ============================================
   LAT4U – London Airport Transfer 4 U
   Main Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --blue-light: #EFF6FF;
  --blue-mid: #BFDBFE;
  --dark: #1F2937;
  --mid: #374151;
  --muted: #6B7280;
  --light: #F9FAFB;
  --white: #FFFFFF;
  --border: #E5E7EB;
  --green: #16A34A;
  --green-dark: #15803D;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(37,99,235,0.10);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --transition: 0.22s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', sans-serif; color: var(--dark); background: var(--white); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ---------- Utility ---------- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-title { font-size: 2rem; font-weight: 800; color: var(--dark); margin-bottom: 12px; line-height: 1.2; }
.section-sub { font-size: 1.05rem; color: var(--muted); margin-bottom: 48px; }
.text-center { text-align: center; }
.text-blue { color: var(--blue); }
.badge { display: inline-block; background: var(--blue-light); color: var(--blue); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 14px; border-radius: 999px; margin-bottom: 14px; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius-sm); font-weight: 700; font-size: 1rem; transition: background var(--transition), transform var(--transition), box-shadow var(--transition); }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,99,235,0.28); }
.btn-outline { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn-outline:hover { background: var(--blue-light); }
.btn-green { background: #25D366; color: var(--white); }
.btn-green:hover { background: #1ebe5d; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,211,102,0.3); }
.btn-call { background: var(--green); color: var(--white); }
.btn-call:hover { background: var(--green-dark); }

/* ---------- NAVBAR ---------- */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.97); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; flex-direction: column; }
.logo-name { font-size: 1.2rem; font-weight: 800; color: var(--blue); line-height: 1; }
.logo-tagline { font-size: 0.7rem; color: var(--muted); font-weight: 500; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: 0.9rem; font-weight: 600; color: var(--mid); transition: color var(--transition); }
.nav-links a:hover { color: var(--blue); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.nav-call { display: flex; align-items: center; gap: 6px; font-weight: 700; color: var(--green); font-size: 0.95rem; }
.nav-call svg { width: 18px; height: 18px; }
.nav-burger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav-burger span { display: block; width: 24px; height: 2.5px; background: var(--dark); border-radius: 4px; transition: all var(--transition); }
.mobile-menu { display: none; position: fixed; top: 68px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); padding: 20px; z-index: 999; flex-direction: column; gap: 16px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1rem; font-weight: 600; color: var(--mid); padding: 8px 0; border-bottom: 1px solid var(--border); }
.mobile-menu a:last-child { border-bottom: none; }

/* ---------- HERO ---------- */
.hero { margin-top: 68px; min-height: 92vh; display: flex; align-items: center; position: relative; overflow: hidden; background: linear-gradient(135deg, #1e3a5f 0%, #2563EB 60%, #38BDF8 100%); }
.hero-overlay { position: absolute; inset: 0; background: url('../images/hero-bg.jpg') center/cover no-repeat; opacity: 0.22; }
.hero-content { position: relative; z-index: 2; max-width: 640px; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,0.18); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,0.3); color: #fff; font-size: 0.82rem; font-weight: 600; padding: 6px 16px; border-radius: 999px; margin-bottom: 20px; }
.hero h1 { font-size: 3rem; font-weight: 800; color: #fff; line-height: 1.15; margin-bottom: 20px; }
.hero h1 span { color: #BAE6FD; }
.hero-sub { font-size: 1.15rem; color: rgba(255,255,255,0.88); margin-bottom: 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 48px; flex-wrap: wrap; }
.hero-stat { color: rgba(255,255,255,0.9); }
.hero-stat strong { display: block; font-size: 1.6rem; font-weight: 800; color: #fff; }
.hero-stat span { font-size: 0.82rem; opacity: 0.8; }

/* ---------- AIRPORTS STRIP ---------- */
.airports-strip { background: var(--blue); padding: 0; }
.airports-strip-inner { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 0; }
.airport-chip { display: flex; align-items: center; gap: 8px; padding: 16px 28px; color: rgba(255,255,255,0.88); font-size: 0.88rem; font-weight: 600; border-right: 1px solid rgba(255,255,255,0.15); transition: background var(--transition); }
.airport-chip:last-child { border-right: none; }
.airport-chip:hover { background: rgba(255,255,255,0.1); color: #fff; }
.airport-chip svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- QUOTE FORM ---------- */
.quote-section { background: var(--light); }
.form-card { background: var(--white); border-radius: 18px; box-shadow: var(--shadow); padding: 40px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: var(--mid); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 13px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-family: inherit; font-size: 0.95rem; color: var(--dark); background: var(--white); transition: border-color var(--transition), box-shadow var(--transition); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.12); }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-radio-group { display: flex; gap: 16px; }
.form-radio { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 0.92rem; font-weight: 500; }
.form-radio input[type="radio"] { accent-color: var(--blue); width: 18px; height: 18px; }
.form-submit { display: flex; justify-content: center; margin-top: 8px; }
.form-submit .btn { width: 100%; justify-content: center; font-size: 1.08rem; padding: 16px 28px; }
.form-note { text-align: center; font-size: 0.82rem; color: var(--muted); margin-top: 12px; }
.form-success { display: none; text-align: center; padding: 32px; }
.form-success.show { display: block; }
.form-success .success-icon { font-size: 3rem; margin-bottom: 12px; }
.form-success h3 { font-size: 1.4rem; font-weight: 800; color: var(--green); margin-bottom: 8px; }
.form-success p { color: var(--muted); max-width: 420px; margin: 0 auto; }

/* ---------- WHY CHOOSE US ---------- */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.why-card { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 28px 24px; transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.why-card:hover { border-color: var(--blue-mid); box-shadow: var(--shadow); transform: translateY(-3px); }
.why-icon { width: 48px; height: 48px; background: var(--blue-light); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.why-icon svg { width: 24px; height: 24px; color: var(--blue); }
.why-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.why-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.55; }

/* ---------- FLIGHT MONITOR ---------- */
.flight-monitor { background: linear-gradient(135deg, #1e3a5f, #2563EB); border-radius: var(--radius); padding: 40px; display: flex; align-items: center; gap: 32px; margin-top: 48px; }
.flight-monitor-icon { font-size: 3rem; flex-shrink: 0; }
.flight-monitor h3 { font-size: 1.25rem; font-weight: 800; color: #fff; margin-bottom: 6px; }
.flight-monitor p { color: rgba(255,255,255,0.85); font-size: 0.95rem; }

/* ---------- TRUST SECTION ---------- */
.trust-section { background: var(--blue-light); }
.trust-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.trust-card { background: var(--white); border-radius: var(--radius); padding: 24px 20px; text-align: center; box-shadow: var(--shadow-sm); }
.trust-icon { font-size: 2.2rem; margin-bottom: 10px; }
.trust-card h4 { font-size: 0.95rem; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.trust-card p { font-size: 0.82rem; color: var(--muted); }

/* ---------- AIRPORTS COVERED ---------- */
.airports-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.airport-card { border-radius: var(--radius); overflow: hidden; border: 1.5px solid var(--border); transition: box-shadow var(--transition), transform var(--transition); }
.airport-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.airport-img { width: 100%; height: 180px; object-fit: cover; }
.airport-body { padding: 20px; }
.airport-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.airport-body p { font-size: 0.85rem; color: var(--muted); margin-bottom: 14px; }
.airport-body a { font-size: 0.85rem; font-weight: 700; color: var(--blue); }
.airport-body a:hover { text-decoration: underline; }

/* ---------- VEHICLE SECTION ---------- */
.vehicle-section { background: var(--light); }
.vehicle-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.vehicle-img-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.vehicle-img-wrap img { width: 100%; height: 320px; object-fit: cover; }
.vehicle-info h2 { font-size: 1.9rem; font-weight: 800; margin-bottom: 12px; }
.vehicle-info p { color: var(--muted); margin-bottom: 20px; }
.vehicle-specs { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.vehicle-spec { display: flex; align-items: center; gap: 12px; }
.vehicle-spec-icon { width: 36px; height: 36px; background: var(--blue-light); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.vehicle-spec-text strong { display: block; font-size: 0.9rem; font-weight: 700; }
.vehicle-spec-text span { font-size: 0.82rem; color: var(--muted); }
.luggage-note { background: #FEF3C7; border: 1.5px solid #FCD34D; border-radius: var(--radius-sm); padding: 14px 18px; font-size: 0.88rem; color: #92400E; }

/* ---------- DRIVER ---------- */
.driver-card { background: var(--white); border-radius: 18px; box-shadow: var(--shadow); padding: 48px; display: flex; gap: 48px; align-items: center; }
.driver-avatar { width: 160px; height: 160px; border-radius: 50%; object-fit: cover; border: 4px solid var(--blue-mid); flex-shrink: 0; }
.driver-info h2 { font-size: 1.7rem; font-weight: 800; margin-bottom: 4px; }
.driver-title { color: var(--blue); font-weight: 600; font-size: 0.95rem; margin-bottom: 16px; }
.driver-bio { color: var(--muted); margin-bottom: 20px; line-height: 1.7; }
.driver-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.driver-badge { display: flex; align-items: center; gap: 6px; background: var(--blue-light); color: var(--blue); font-size: 0.8rem; font-weight: 700; padding: 6px 12px; border-radius: 999px; }

/* ---------- REVIEWS ---------- */
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.review-card { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 28px 24px; position: relative; transition: box-shadow var(--transition), transform var(--transition); }
.review-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.review-stars { color: #F59E0B; font-size: 1.1rem; margin-bottom: 12px; }
.review-text { color: var(--mid); font-size: 0.92rem; line-height: 1.65; margin-bottom: 18px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 10px; }
.review-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--blue-light); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--blue); font-size: 0.9rem; }
.review-name { font-weight: 700; font-size: 0.9rem; }
.review-location { font-size: 0.78rem; color: var(--muted); }

/* ---------- PAYMENT ---------- */
.payment-section { background: var(--light); }
.payment-options { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }
.payment-option { display: flex; align-items: center; gap: 10px; background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 16px 24px; font-weight: 700; font-size: 0.95rem; }
.payment-option .pay-icon { font-size: 1.5rem; }

/* ---------- WHATSAPP SECTION ---------- */
.whatsapp-section { background: linear-gradient(135deg, #075E54, #128C7E); text-align: center; }
.whatsapp-section h2 { color: #fff; font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.whatsapp-section p { color: rgba(255,255,255,0.85); margin-bottom: 32px; font-size: 1.05rem; }

/* ---------- MAP ---------- */
.map-section { padding: 0; }
.map-section iframe { width: 100%; height: 380px; border: none; display: block; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1.5px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; font-weight: 700; font-size: 0.97rem; background: var(--white); text-align: left; gap: 12px; transition: background var(--transition); }
.faq-q:hover { background: var(--light); }
.faq-q .faq-arrow { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--blue-light); display: flex; align-items: center; justify-content: center; transition: transform var(--transition); }
.faq-q.open .faq-arrow { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 22px 18px; font-size: 0.92rem; color: var(--muted); line-height: 1.7; }
.faq-a.open { display: block; }

/* ---------- FOOTER ---------- */
.footer { background: var(--dark); color: rgba(255,255,255,0.8); }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding: 60px 0 40px; }
.footer-logo-name { font-size: 1.25rem; font-weight: 800; color: #fff; margin-bottom: 6px; }
.footer-tagline { font-size: 0.85rem; opacity: 0.7; margin-bottom: 20px; }
.footer-contact-item { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; margin-bottom: 10px; }
.footer-contact-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.7; }
.footer-heading { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.88rem; color: rgba(255,255,255,0.75); transition: color var(--transition); }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; opacity: 0.6; flex-wrap: wrap; gap: 10px; }

/* ---------- FLOATING BUTTONS ---------- */
.fab-whatsapp { position: fixed; bottom: 24px; right: 24px; z-index: 9999; width: 60px; height: 60px; background: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 24px rgba(37,211,102,0.4); transition: transform var(--transition), box-shadow var(--transition); animation: pulse-wa 2.5s infinite; }
.fab-whatsapp:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,0.5); }
.fab-whatsapp svg { width: 30px; height: 30px; fill: #fff; }
@keyframes pulse-wa { 0%,100% { box-shadow: 0 6px 24px rgba(37,211,102,0.4); } 50% { box-shadow: 0 6px 32px rgba(37,211,102,0.7); } }

.sticky-quote-bar { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 998; background: var(--white); border-top: 2px solid var(--blue); padding: 12px 20px; gap: 10px; box-shadow: 0 -4px 20px rgba(0,0,0,0.12); }
.sticky-quote-bar .btn { flex: 1; justify-content: center; font-size: 0.95rem; padding: 13px 16px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta .btn { display: none; }
  .nav-burger { display: flex; }
  .hero h1 { font-size: 2.2rem; }
  .vehicle-inner { grid-template-columns: 1fr; }
  .driver-card { flex-direction: column; text-align: center; padding: 32px 24px; }
  .driver-badges { justify-content: center; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .flight-monitor { flex-direction: column; text-align: center; gap: 16px; }
}

@media (max-width: 640px) {
  .section { padding: 52px 0; }
  .section-title { font-size: 1.6rem; }
  .hero { min-height: 100svh; padding: 40px 0 100px; }
  .hero h1 { font-size: 1.9rem; }
  .hero-stats { gap: 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 24px 18px; }
  .airports-strip-inner { flex-direction: row; overflow-x: auto; flex-wrap: nowrap; justify-content: flex-start; }
  .airport-chip { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); white-space: nowrap; }
  .driver-card { padding: 24px 16px; }
  .driver-avatar { width: 120px; height: 120px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .sticky-quote-bar { display: flex; }
  .fab-whatsapp { bottom: 84px; }
  .payment-options { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}