/* ============================================
   RESET & BASE STYLES
   ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-navy);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ── Container ── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

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

/* ── Utility ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

.text-gold { color: var(--color-gold); }
.text-navy { color: var(--color-navy); }
.text-white { color: var(--color-white); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--color-gold);
  color: var(--color-white);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201,148,10,0.4);
}

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

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

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

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

/* ── Section Headers ── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-body);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.2;
}

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

.section-divider {
  display: block;
  width: 48px;
  height: 3px;
  background: var(--color-gold);
  margin: var(--space-md) auto 0;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-gray-600);
  margin-top: var(--space-md);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Link arrow style ── */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-green-link);
  letter-spacing: 0.02em;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.link-arrow:hover {
  gap: 10px;
  color: var(--color-gold);
}

/* ── Scroll reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: none;
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: none;
}

/* ══════════════════════════════════════
   GLOBAL MOBILE IMPROVEMENTS
══════════════════════════════════════ */
@media (max-width: 900px) {
  /* Better touch targets for buttons */
  .btn {
    padding: 13px 24px;
    font-size: 0.82rem;
  }

  /* Reduce section padding on mobile */
  .features-section,
  .passenger-section,
  .stats-section,
  .quote-section {
    padding: var(--space-2xl) 0;
  }

  /* Better section headers on mobile */
  .section-header {
    margin-bottom: var(--space-xl);
  }
}

@media (max-width: 480px) {
  /* Tighter container on very small screens */
  .container {
    padding: 0 var(--space-md);
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  /* Prevent text overflow */
  * {
    word-break: break-word;
  }
}