/* ============================================================
   style.css — Private Car Tours Da Nang
   ============================================================ */

/* ── GOOGLE FONTS ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── CSS VARIABLES ────────────────────────────────────────── */
:root {
  --navy:        #0a1d37;
  --navy-dark:   #060f1e;
  --navy-light:  #132a50;
  --gold:        #c9a84c;
  --gold-light:  #e8c96a;
  --gold-dark:   #a07830;
  --white:       #ffffff;
  --off-white:   #f8f6f0;
  --text:        #1a1a2e;
  --text-light:  rgba(255,255,255,0.75);
  --text-muted:  #888;
  --border:      rgba(10,29,55,0.1);
  --shadow-sm:   0 2px 12px rgba(0,0,0,0.06);
  --shadow-md:   0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.18);
  --radius:      12px;
  --radius-lg:   20px;
  --transition:  all 0.3s ease;
}

/* ── RESET & BASE ─────────────────────────────────────────── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── CONTAINER ────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── SECTION BASE ─────────────────────────────────────────── */
section { padding: 90px 0; }
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.25;
}
.section-title.light { color: var(--white); }
.section-subtitle { font-size: 1.05rem; color: var(--text-muted); margin-bottom: 40px; }
.section-subtitle.light { color: var(--text-light); }
.gold-accent { color: var(--gold); }

/* ── BUTTONS ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(201,168,76,0.35);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,168,76,0.5); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-light); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: white; }

/* ── FADE-UP ANIMATION ───────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }

/* ── NAVBAR ───────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: var(--transition);
  padding: 16px 0;
}
#navbar.scrolled {
  background: rgba(6,15,30,0.97);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.nav-logo { display: flex; flex-direction: column; }
.logo-main { font-size: 1.1rem; font-weight: 700; color: var(--gold-light); }
.logo-sub { font-size: 0.65rem; color: rgba(255,255,255,0.55); letter-spacing: 1.5px; text-transform: uppercase; }
.nav-menu { display: flex; gap: 28px; }
.nav-menu a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: var(--transition);
}
.nav-menu a:hover { color: var(--gold-light); }
.nav-cta { display: flex; align-items: center; gap: 10px; }

/* ── HAMBURGER ────────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── LANG TOGGLE ──────────────────────────────────────────── */
.lang-toggle { display: flex; gap: 4px; background: rgba(255,255,255,0.1); border-radius: 30px; padding: 4px; }
.lang-btn {
  padding: 5px 12px;
  border: none;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  color: rgba(255,255,255,0.7);
  background: transparent;
  transition: var(--transition);
}
.lang-btn.active { background: var(--gold); color: var(--white); }

/* ── MOBILE MENU ──────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  top: 0; right: -100%; bottom: 0;
  width: 280px;
  background: var(--navy-dark);
  z-index: 999;
  padding: 80px 28px 40px;
  transition: right 0.4s cubic-bezier(0.4,0,0.2,1);
  box-shadow: -8px 0 32px rgba(0,0,0,0.4);
}
.mobile-menu.open { right: 0; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 8px; }
.mobile-menu a {
  display: block;
  padding: 12px 0;
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--gold-light); padding-left: 8px; }

/* ── HERO ─────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(6,15,30,0.75) 0%, rgba(10,29,55,0.6) 100%); }
#hero .container { position: relative; z-index: 2; padding-top: 80px; }
.hero-content { max-width: 680px; }
.hero-badge {
  display: inline-block;
  background: rgba(201,168,76,0.2);
  border: 1px solid rgba(201,168,76,0.4);
  color: var(--gold-light);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  color: var(--white);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
}
.hero-title span { color: var(--gold-light); }
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-light);
  font-weight: 300;
  margin-bottom: 12px;
}
.hero-tagline { font-size: 0.92rem; color: rgba(255,255,255,0.6); margin-bottom: 36px; line-height: 1.8; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* ── HERO SOCIAL QUICK ────────────────────────────────────── */
.hero-social-quick {
  position: absolute;
  bottom: 40px; right: 40px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2;
}
.hero-social-quick a {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  transition: var(--transition);
  position: relative;
}
.hero-social-quick a:hover { transform: scale(1.15); }
.hero-social-quick .tooltip {
  position: absolute;
  right: 56px;
  background: rgba(0,0,0,0.8);
  color: white;
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.hero-social-quick a:hover .tooltip { opacity: 1; }

/* ── SCROLL INDICATOR ─────────────────────────────────────── */
.scroll-indicator {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 2;
}
.scroll-dot {
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: scrollBounce 1.6s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%,100% { transform: translateY(0); opacity: 1; }
  50%      { transform: translateY(10px); opacity: 0.3; }
}

/* ── ABOUT US ─────────────────────────────────────────────── */
#about-us { background: var(--off-white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: center;
}
.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img-wrap img { width: 100%; height: 440px; object-fit: cover; display: block; }
.about-img-badge {
  position: absolute;
  bottom: 20px; right: 20px;
  background: var(--gold);
  color: var(--white);
  padding: 12px 18px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 4px 20px rgba(201,168,76,0.4);
}
.badge-num { display: block; font-size: 1.8rem; font-weight: 800; line-height: 1; }
.badge-text { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.5px; opacity: 0.9; }
.about-text h2 { margin-bottom: 20px; }
.about-text p { color: #4a5568; line-height: 1.8; margin-bottom: 16px; }
.about-counters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 32px; }
.counter-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px 12px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.counter-icon { font-size: 1.4rem; margin-bottom: 6px; }
.counter-num { font-size: 1.7rem; font-weight: 800; color: var(--navy); line-height: 1; }
.counter-label { font-size: 0.7rem; color: var(--text-muted); margin-top: 4px; font-weight: 500; }

/* ── CAR SHOWCASE (new) ───────────────────────────────────── */
#car-showcase {
  background: var(--navy-dark);
  padding: 80px 0;
}
.car-showcase-header { text-align: center; margin-bottom: 48px; }
.car-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}
.car-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
}
.car-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.car-card:hover img { transform: scale(1.04); }
.car-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,15,30,0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}
.car-card-title {
  color: var(--white);
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.car-card-desc {
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  line-height: 1.5;
}
.car-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--gold);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 30px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ── PHOTO GALLERY ────────────────────────────────────────── */
#photo-gallery {
  background: var(--off-white);
  padding: 90px 0;
}
.gallery-header { text-align: center; margin-bottom: 50px; }
.gallery-filter {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.gallery-filter-btn {
  padding: 8px 20px;
  border-radius: 30px;
  border: 2px solid var(--border);
  background: var(--white);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.gallery-filter-btn.active,
.gallery-filter-btn:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.gallery-grid {
  columns: 4;
  column-gap: 16px;
}
.gallery-item {
  break-inside: avoid;
  margin-bottom: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.4s ease;
}
.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10,29,55,0);
  transition: background 0.3s ease;
}
.gallery-item:hover::after { background: rgba(10,29,55,0.2); }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-overlay-icon {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%) scale(0);
  color: white;
  font-size: 2rem;
  z-index: 2;
  transition: transform 0.3s ease;
  pointer-events: none;
}
.gallery-item:hover .gallery-overlay-icon { transform: translate(-50%,-50%) scale(1); }
.gallery-load-more {
  text-align: center;
  margin-top: 40px;
}

/* ── LIGHTBOX ─────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-inner img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 20px 80px rgba(0,0,0,0.8);
}
.lightbox-close {
  position: absolute;
  top: -44px; right: 0;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: transform 0.2s;
}
.lightbox-close:hover { transform: rotate(90deg); }
.lightbox-prev,
.lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(4px);
  border: none;
  color: white;
  width: 52px; height: 52px;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10001;
}
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(255,255,255,0.25); transform: translateY(-50%) scale(1.1); }
.lightbox-counter {
  position: absolute;
  bottom: -36px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 0.82rem;
}

/* ── WHY US ───────────────────────────────────────────────── */
#why-us { background: var(--navy); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.why-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.why-card:hover {
  background: rgba(201,168,76,0.08);
  border-color: rgba(201,168,76,0.3);
  transform: translateY(-6px);
}
.why-icon { font-size: 2.4rem; margin-bottom: 16px; }
.why-card h3 { color: var(--gold-light); font-size: 1rem; margin-bottom: 12px; }
.why-card p { color: rgba(255,255,255,0.65); font-size: 0.88rem; line-height: 1.7; }

/* ── TOURS ────────────────────────────────────────────────── */
#services { background: var(--white); }
.tours-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}
.tour-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.tour-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.tour-img-wrap { position: relative; height: 220px; overflow: hidden; }
.tour-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.tour-card:hover .tour-img-wrap img { transform: scale(1.06); }
.tour-badge {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--gold);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 30px;
  letter-spacing: 0.5px;
}
.tour-body { padding: 24px; }
.tour-body h3 { font-family: 'Playfair Display', serif; font-size: 1.2rem; color: var(--navy); margin-bottom: 10px; }
.tour-meta { display: flex; gap: 14px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 14px; font-weight: 500; }
.tour-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 14px;
}
.tour-highlights li { font-size: 0.82rem; color: #4a5568; }
.tour-for { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; }
.tour-price { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 18px; }
.tour-price span { color: var(--gold-dark); font-weight: 700; }
.tour-actions { display: flex; gap: 10px; }
.tour-actions .btn { flex: 1; justify-content: center; padding: 11px 16px; font-size: 0.83rem; }
.tour-accordion { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.tour-accordion.open { max-height: 400px; }
.tour-accordion-inner { padding: 20px 24px 24px; border-top: 1px solid var(--border); background: var(--off-white); }
.tour-accordion-inner h4 { font-size: 0.75rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--navy); margin-bottom: 16px; }
.itinerary-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.itinerary-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); margin-top: 6px; flex-shrink: 0; }
.itinerary-item span { font-size: 0.87rem; color: #4a5568; line-height: 1.5; }

/* ── REVIEWS ──────────────────────────────────────────────── */
#reviews { background: var(--navy); overflow: hidden; }
.reviews-slider { overflow: hidden; border-radius: var(--radius-lg); }
.reviews-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.review-card {
  min-width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}
.review-stars { font-size: 1rem; margin-bottom: 14px; }
.review-text { color: rgba(255,255,255,0.8); font-size: 0.88rem; line-height: 1.75; margin-bottom: 20px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar { font-size: 1.5rem; }
.review-name { color: var(--gold-light); font-weight: 600; font-size: 0.9rem; }
.review-tour { color: rgba(255,255,255,0.5); font-size: 0.78rem; margin-top: 2px; }
.slider-controls { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 32px; }
.slider-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.25);
  background: transparent;
  color: white;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.slider-btn:hover { background: var(--gold); border-color: var(--gold); }
.slider-dots { display: flex; gap: 8px; }
.slider-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: var(--transition);
}
.slider-dot.active { background: var(--gold); width: 24px; border-radius: 4px; }

/* ── CONTACT ──────────────────────────────────────────────── */
#contact { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; align-items: start; }
.contact-form-wrap { background: var(--off-white); border-radius: var(--radius-lg); padding: 40px; border: 1px solid var(--border); }
.contact-form-wrap h3 { font-family: 'Playfair Display', serif; font-size: 1.4rem; color: var(--navy); margin-bottom: 6px; }
.contact-form-wrap > p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--text);
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}
.form-group textarea { height: 100px; resize: none; }
.form-submit { width: 100%; justify-content: center; font-size: 1rem; padding: 16px; }
.form-success { display: none; color: #2d7a3e; font-weight: 600; margin-top: 16px; text-align: center; background: #e8f8ec; padding: 12px; border-radius: var(--radius); }
.contact-channels h3 { font-family: 'Playfair Display', serif; font-size: 1.4rem; color: var(--navy); margin-bottom: 6px; }
.contact-channels .lead { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 24px; }
.channel-buttons { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.channel-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius);
  background: var(--off-white);
  border: 1.5px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.channel-btn:hover { transform: translateX(6px); border-color: var(--gold); box-shadow: var(--shadow-sm); }
.ch-icon { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; color: white; flex-shrink: 0; }
.ch-zalo .ch-icon { background: #0068FF; }
.ch-whatsapp .ch-icon { background: #25D366; }
.ch-messenger .ch-icon { background: #0084FF; }
.ch-gmail .ch-icon { background: #EA4335; }
.ch-text { flex: 1; font-weight: 600; font-size: 0.9rem; }
.ch-label { display: block; font-size: 0.75rem; color: var(--text-muted); font-weight: 400; margin-top: 1px; }
.ch-arrow { color: var(--text-muted); transition: transform 0.2s; }
.channel-btn:hover .ch-arrow { transform: translateX(4px); color: var(--gold-dark); }
.hotline-box { display: flex; align-items: center; gap: 16px; background: var(--navy); color: white; border-radius: var(--radius-lg); padding: 22px 24px; }
.hotline-icon { font-size: 1.8rem; }
.hotline-num { font-size: 1.3rem; font-weight: 800; color: var(--gold-light); }
.hotline-time { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 3px; }

/* ── FAQ ──────────────────────────────────────────────────── */
#faq { background: var(--white); }
.faq-grid { display: flex; flex-direction: column; gap: 12px; margin-top: 40px; }
.faq-item {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--gold); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.95rem;
  user-select: none;
  gap: 16px;
}
.faq-arrow { transition: transform 0.3s ease; font-size: 0.8rem; flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item.open .faq-answer { max-height: 200px; }
.faq-answer p { padding: 0 24px 20px; color: #4a5568; font-size: 0.9rem; line-height: 1.8; }

/* ── BLOG ─────────────────────────────────────────────────── */
#blog { background: var(--navy); }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.blog-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  display: block;
  color: var(--white);
}
.blog-card:hover { transform: translateY(-6px); background: rgba(255,255,255,0.08); }
.blog-card-img { font-size: 3.5rem; text-align: center; margin-bottom: 18px; }
.blog-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.blog-cat {
  background: rgba(201,168,76,0.15);
  color: var(--gold-light);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
}
.blog-date { font-size: 0.72rem; color: var(--text-light); }
.blog-card h3 { font-family: 'Playfair Display', serif; font-size: 1rem; margin-bottom: 10px; color: var(--white); line-height: 1.4; }
.blog-card p { font-size: 0.85rem; color: rgba(255,255,255,0.6); line-height: 1.65; }
.blog-cta { text-align: center; margin-top: 40px; }

/* ── FOOTER ───────────────────────────────────────────────── */
#footer { background: var(--navy-dark); color: var(--white); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr 1.5fr; gap: 40px; }
.footer-logo { font-size: 1.1rem; font-weight: 700; color: var(--gold-light); margin-bottom: 10px; }
.footer-slogan { font-size: 0.65rem; letter-spacing: 2px; color: rgba(255,255,255,0.35); text-transform: uppercase; margin-bottom: 16px; }
.footer-desc { font-size: 0.85rem; color: rgba(255,255,255,0.5); line-height: 1.8; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--gold); margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,0.55); font-size: 0.88rem; transition: var(--transition); }
.footer-links a:hover { color: var(--gold-light); padding-left: 4px; }
.footer-contact-item { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-contact-item .icon { font-size: 1rem; }
.footer-contact-item a { color: rgba(255,255,255,0.7); font-size: 0.85rem; transition: var(--transition); }
.footer-contact-item a:hover { color: var(--gold-light); }
.footer-contact-item span { color: rgba(255,255,255,0.55); font-size: 0.85rem; }
.footer-socials { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-social-btn {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
}
.footer-social-btn:hover { background: rgba(255,255,255,0.15); transform: translateY(-3px); }
.footer-bottom {
  margin-top: 50px;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 0;
  text-align: center;
  color: rgba(255,255,255,0.35);
  font-size: 0.8rem;
}

/* ── MODAL ────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 24px;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 460px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}
.modal-overlay.open .modal-card { transform: scale(1); }
.modal-card h3 { font-family: 'Playfair Display', serif; font-size: 1.5rem; color: var(--navy); margin-bottom: 8px; }
.modal-sub { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 28px; }
.modal-channels { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.modal-channel-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--white);
  text-decoration: none;
  transition: var(--transition);
}
.modal-channel-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.modal-channel-btn.ch-zalo     { background: #0068FF; }
.modal-channel-btn.ch-whatsapp { background: #25D366; }
.modal-channel-btn.ch-messenger{ background: #0084FF; }
.modal-channel-btn.ch-gmail    { background: #EA4335; }
.modal-close {
  background: none;
  border: 1px solid var(--border);
  padding: 10px 24px;
  border-radius: 30px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: var(--transition);
}
.modal-close:hover { background: var(--off-white); color: var(--navy); }

/* ── CONTACT SIDEBAR ──────────────────────────────────────── */
.contact-sidebar {
  position: fixed;
  right: 0; top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 900;
}
.contact-sidebar-item {
  display: flex;
  align-items: center;
  gap: 0;
  overflow: hidden;
  max-width: 52px;
  width: 52px;
  padding: 14px;
  transition: max-width 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
  border-radius: 30px 0 0 30px;
  background: rgba(255,255,255,0.95);
  box-shadow: -2px 2px 10px rgba(0,0,0,0.15);
  text-decoration: none;
  color: white;
  position: relative;
}
.contact-sidebar-item:hover { max-width: 170px; padding: 14px 16px 14px 18px; }
.si-icon { font-size: 1.2rem; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.si-label { white-space: nowrap; font-size: 0.85rem; font-weight: 700; overflow: hidden; margin-left: 12px; opacity: 0; transition: opacity 0.3s 0.1s ease; }
.contact-sidebar-item:hover .si-label { opacity: 1; text-shadow: 1px 1px 2px rgba(0,0,0,0.2); }

/* Colors & Glows */
.si-zalo    { background: #0068FF; }
.si-zalo:hover { box-shadow: -4px 4px 18px rgba(0, 104, 255, 0.6); transform: scale(1.02); }
.si-wa      { background: #25D366; }
.si-wa:hover { box-shadow: -4px 4px 18px rgba(37, 211, 102, 0.6); transform: scale(1.02); }
.si-msg     { background: #0084FF; }
.si-msg:hover { box-shadow: -4px 4px 18px rgba(0, 132, 255, 0.6); transform: scale(1.02); }
.si-gmail   { background: #EA4335; }
.si-gmail:hover { box-shadow: -4px 4px 18px rgba(234, 67, 53, 0.6); transform: scale(1.02); }
.si-phone   { background: var(--navy); }
.si-phone:hover { box-shadow: -4px 4px 18px rgba(30, 58, 138, 0.6); transform: scale(1.02); }

/* Ringing animation on hover and idle */
@keyframes ring-shake {
  0% { transform: rotate(0); }
  15%, 45%, 75% { transform: rotate(-15deg); }
  30%, 60%, 90% { transform: rotate(15deg); }
  100% { transform: rotate(0); }
}
@keyframes ring-shake-idle {
  0%, 80%, 100% { transform: rotate(0); }
  82%, 86%, 90%, 94%, 98% { transform: rotate(-15deg); }
  84%, 88%, 92%, 96% { transform: rotate(15deg); }
}
.contact-sidebar-item .si-icon i {
  animation: ring-shake-idle 4s ease-in-out infinite;
}
.contact-sidebar-item.si-zalo .si-icon i { animation-delay: 0s; }
.contact-sidebar-item.si-wa .si-icon i   { animation-delay: 0.2s; }
.contact-sidebar-item.si-msg .si-icon i  { animation-delay: 0.4s; }
.contact-sidebar-item.si-gmail .si-icon i { animation-delay: 0.6s; }
.contact-sidebar-item.si-phone .si-icon i { animation-delay: 0.8s; }

.contact-sidebar-item:hover .si-icon i {
  animation: ring-shake 0.4s ease-in-out infinite;
}

/* Attention Pulse for top item (Zalo) */
@keyframes pulse-attention {
  0% { box-shadow: -2px 2px 10px rgba(0, 104, 255, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(0, 104, 255, 0.15); }
  100% { box-shadow: 0 0 0 0 rgba(0, 104, 255, 0); }
}
.contact-sidebar-item.si-zalo {
  animation: pulse-attention 2s infinite;
  z-index: 901;
}
.contact-sidebar-item.si-zalo:hover {
  animation: none;
}

/* ── MOBILE STICKY BAR ────────────────────────────────────── */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--navy-dark);
  box-shadow: 0 -2px 20px rgba(0,0,0,0.3);
  z-index: 900;
  display: none;
}
.sticky-bar-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.sticky-bar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 4px 8px;
  color: rgba(255,255,255,0.7);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: var(--transition);
  text-decoration: none;
  gap: 4px;
}
.sticky-bar-item:hover { color: var(--gold-light); }
.s-icon { font-size: 1.15rem; }
.sticky-item-call { color: var(--gold-light); }

/* ── BLOG ARTICLE PAGE ────────────────────────────────────── */
.blog-article-page {
  padding-bottom: 80px;
}
.blog-article-hero {
  background: var(--navy);
  padding: 140px 0 60px;
  color: var(--white);
  text-align: center;
}
.article-hero-inner {
  max-width: 800px;
  margin: 0 auto;
}
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  list-style: none;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--gold-light); transition: var(--transition); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb .separator { color: rgba(255,255,255,0.3); }
.breadcrumb .active { color: rgba(255,255,255,0.8); }
.article-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.2;
  margin-bottom: 24px;
}
.article-meta {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
}
.article-meta i { color: var(--gold); margin-right: 4px; }
.article-featured-img {
  max-width: 900px;
  margin: -40px auto 40px;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  z-index: 2;
}
.article-featured-img img {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
}
.article-content {
  max-width: 760px;
  margin: 0 auto;
  color: #333;
  font-size: 1.05rem;
  line-height: 1.8;
}
.article-content > * { margin-bottom: 24px; }
.article-content .lead { font-size: 1.2rem; font-weight: 500; color: #555; line-height: 1.7; margin-bottom: 32px; }
.article-content h2 { font-family: 'Playfair Display', serif; font-size: 1.8rem; color: var(--navy); margin-top: 48px; margin-bottom: 16px; }
.article-content p { margin-bottom: 20px; }
.article-content ul { list-style: disc; margin-left: 20px; margin-bottom: 20px; }
.article-content li { margin-bottom: 10px; }
.article-cta.box {
  background: rgba(201,168,76,0.08);
  border: 1px solid rgba(201,168,76,0.3);
  padding: 40px;
  border-radius: var(--radius-lg);
  text-align: center;
  margin-top: 60px;
}
.article-cta.box h3 { color: var(--navy); font-size: 1.4rem; margin-bottom: 10px; }
.article-cta.box p { color: #555; margin-bottom: 20px; }

/* ── GALLERY & LIGHTBOX CAPTION ───────────────────────────── */
.gallery-item .gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
  color: white;
  padding: 40px 16px 16px;
  transform: translateY(10px);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 3;
  pointer-events: none;
}
.gallery-item:hover .gallery-caption {
  transform: translateY(0);
  opacity: 1;
}
.gallery-caption-title { font-size: 0.95rem; font-weight: 700; margin-bottom: 2px; }
.gallery-caption-loc { font-size: 0.75rem; color: rgba(255,255,255,0.7); display: block; }

.lightbox-caption {
  position: absolute;
  bottom: -60px;
  left: 0; right: 0;
  text-align: center;
  color: white;
  z-index: 10002;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.lightbox-caption.visible { opacity: 1; }
.lightbox-caption .lb-title { font-size: 1.1rem; font-weight: 700; color: var(--gold-light); margin-bottom: 4px; }
.lightbox-caption .lb-loc { font-size: 0.85rem; color: rgba(255,255,255,0.7); }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .tours-grid { grid-template-columns: repeat(2, 1fr); }
  .review-card { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .gallery-grid { columns: 3; }
}

@media (max-width: 768px) {
  section { padding: 60px 0; }
  .nav-menu,.nav-cta { display: none; }
  .hamburger { display: flex; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-counters { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .tours-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-social-quick { display: none; }
  .contact-sidebar { display: none; }
  .mobile-sticky-bar { display: block; }
  .car-showcase-grid { grid-template-columns: 1fr; }
  .gallery-grid { columns: 2; }
  .gallery-item .gallery-caption { transform: translateY(0); opacity: 1; background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%); }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
  .modal-channels { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-ctas { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
  .about-counters { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { columns: 2; }
  .car-card img { height: 240px; }
}