/*
 * Bình Coconut Theme – Main CSS
 * Custom stylesheet for binh-coconut-theme
 */

/* ================================================================
   1. CSS VARIABLES
   ================================================================ */
:root {
  --green-50:  #f0fdf4;
  --green-100: #dcfce7;
  --green-200: #bbf7d0;
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-800: #166534;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
  --gray-50:   #f9fafb;
  --gray-100:  #f3f4f6;
  --gray-200:  #e5e7eb;
  --gray-300:  #d1d5db;
  --gray-400:  #9ca3af;
  --gray-500:  #6b7280;
  --gray-600:  #4b5563;
  --gray-700:  #374151;
  --gray-800:  #1f2937;
  --gray-900:  #111827;
  --white:     #ffffff;

  --font-primary: 'Be Vietnam Pro', sans-serif;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06);
  --shadow-md:  0 4px 14px rgba(0,0,0,.08);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.1);
  --shadow-xl:  0 20px 50px rgba(0,0,0,.12);
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-full:9999px;
  --transition: 0.25s ease;
  --header-h:   72px;
}

/* ================================================================
   2. RESET & BASE
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
input, textarea, select, button { font-family: inherit; }

h1, h2, h3, h4, h5 {
  line-height: 1.3;
  font-weight: 700;
  color: var(--gray-900);
}

/* ================================================================
   3. LAYOUT
   ================================================================ */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ================================================================
   4. BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn svg { flex-shrink: 0; }

.btn--primary {
  background: var(--green-600);
  color: var(--white);
  border-color: var(--green-600);
}
.btn--primary:hover {
  background: var(--green-700);
  border-color: var(--green-700);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(22,163,74,.35);
}

.btn--outline {
  background: transparent;
  color: var(--green-600);
  border-color: var(--green-600);
}
.btn--outline:hover {
  background: var(--green-600);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--phone {
  background: transparent;
  color: var(--gray-800);
  border-color: var(--gray-300);
  padding: .5rem 1rem;
  font-size: .875rem;
}
.btn--phone:hover {
  border-color: var(--green-600);
  color: var(--green-600);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

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

.btn--whatsapp {
  background: #25d366;
  color: var(--white);
  border-color: #25d366;
}
.btn--whatsapp:hover {
  background: #1ebe5d;
  border-color: #1ebe5d;
  transform: translateY(-2px);
}

.btn--zalo {
  background: #0068ff;
  color: var(--white);
  border-color: #0068ff;
}
.btn--zalo:hover {
  background: #0057d6;
  border-color: #0057d6;
  transform: translateY(-2px);
}

/* ================================================================
   5. BADGE
   ================================================================ */
.badge {
  display: inline-block;
  padding: .35rem 1rem;
  border-radius: var(--radius-full);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.badge--green {
  background: rgba(22,163,74,.15);
  color: var(--green-700);
  border: 1px solid rgba(22,163,74,.3);
}

/* ================================================================
   6. HEADER
   ================================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,.06);
  transition: box-shadow var(--transition);
}
.header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,.1);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  flex-shrink: 0;
}
.logo__icon {
  font-size: 1.8rem;
  line-height: 1;
}
.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo__name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--green-700);
  letter-spacing: -0.02em;
}
.logo__tagline {
  font-size: .7rem;
  font-weight: 500;
  color: var(--gray-500);
  letter-spacing: .03em;
}
.logo--white .logo__name { color: var(--white); }
.logo--white .logo__tagline { color: rgba(255,255,255,.7); }

/* Nav */
.nav { display: flex; align-items: center; }
.nav__list {
  display: flex;
  gap: .15rem;
  list-style: none;
  padding: 0; margin: 0;
  flex-wrap: nowrap;
}
.nav__link {
  display: block;
  padding: .5rem .7rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.nav__link:hover {
  color: var(--green-600);
  background: var(--green-50);
}

/* Header CTA */
.header__cta {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-shrink: 0;
}
.header__cta .btn--phone {
  padding: .5rem 1rem;
  font-size: .85rem;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: .35rem;
  background: var(--gray-100);
  border: none;
  border-radius: var(--radius-full);
  padding: .4rem .8rem;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--gray-700);
  transition: background var(--transition);
}
.lang-switcher:hover { background: var(--gray-200); }
.lang-switcher__flag { font-size: 1rem; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: var(--gray-100);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
}
.hamburger:hover { background: var(--gray-200); }
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 0;
  z-index: 999;
  box-shadow: var(--shadow-lg);
}
.mobile-menu.is-open { display: block; }
.mobile-menu__list { padding: 0; margin: 0; }
.mobile-menu__link {
  display: block;
  padding: .875rem 1.5rem;
  font-weight: 500;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
  transition: color var(--transition), background var(--transition);
}
.mobile-menu__link:hover {
  color: var(--green-600);
  background: var(--green-50);
}

/* Push content below header */
body { padding-top: var(--header-h); }

/* ================================================================
   7. HERO (Banner) – full width, wide content, professional
   ================================================================ */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--green-800);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(152deg, #0c3d20 0%, #0f4c29 28%, #166534 55%, #15803d 85%, #16a34a 100%);
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 80% at 75% 45%, rgba(34,197,94,.12) 0%, transparent 55%),
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(251,191,36,.06) 0%, transparent 50%);
}

/* Palm decorations */
.hero__palms {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.palm {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
}
.palm--left  { left: -80px; bottom: -60px; width: 320px; height: 320px; }
.palm--right { right: -60px; top: -80px; width: 280px; height: 280px; }

/* Wide content area – max 1200px, centered */
.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2.5rem 5.5rem;
  color: var(--white);
}

.hero__badge {
  margin-bottom: 1.5rem;
}
.hero__badge .badge--green {
  background: rgba(255,255,255,.14);
  color: rgba(255,255,255,.95);
  border-color: rgba(255,255,255,.25);
  font-size: .8rem;
  letter-spacing: .05em;
}

.hero__title {
  font-size: clamp(2.75rem, 5.5vw, 4.75rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.08;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.hero__title--highlight {
  color: var(--amber-400);
  display: block;
  letter-spacing: 0.02em;
  text-shadow: 0 0 40px rgba(251,191,36,.15);
}

.hero__desc {
  font-size: 1.125rem;
  color: rgba(255,255,255,.9);
  margin-bottom: 2rem;
  max-width: 600px;
  line-height: 1.75;
}
.hero__desc strong { color: var(--amber-400); font-weight: 700; }
.hide-mobile { display: block; }

/* Stats bar – cleaner, wider */
.hero__stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  width: 100%;
  max-width: 640px;
}
.stat {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: 0 1.25rem;
}
.stat:first-child { padding-left: 0; }
.stat__icon { font-size: 1.35rem; line-height: 1; }
.stat__info { display: flex; flex-direction: column; gap: .15rem; }
.stat__value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}
.stat__label {
  font-size: .7rem;
  color: rgba(255,255,255,.72);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.stat__divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,.2);
}

/* Hero Actions */
.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}
.hero__actions .btn--lg {
  padding: .9rem 1.75rem;
  font-size: 1rem;
}
.hero__actions .btn--outline {
  color: var(--white);
  border-color: rgba(255,255,255,.55);
}
.hero__actions .btn--outline:hover {
  background: rgba(255,255,255,.18);
  color: var(--white);
  border-color: rgba(255,255,255,.7);
}

/* Trust strip – professional spacing */
.hero__trust {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  padding-top: .5rem;
  border-top: 1px solid rgba(255,255,255,.12);
  max-width: 560px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .9rem;
  color: rgba(255,255,255,.88);
  font-weight: 500;
}
.trust-item__icon { font-size: 1.1rem; }

/* Scroll arrow */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,.7);
}
.hero__scroll:hover { color: var(--white); }
.scroll-arrow {
  width: 26px;
  height: 26px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  animation: scrollBounce 1.8s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translate(0,0); opacity: .7; }
  50%       { transform: rotate(45deg) translate(5px,5px); opacity: 1; }
}

/* ================================================================
   8. SHARED SECTION STYLES
   ================================================================ */
.section {
  padding: 4.5rem 0;
}
.section:nth-child(even) {
  background: var(--gray-50);
}

.section__header {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section__eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: .5rem;
}
.section__title {
  font-size: clamp(1.65rem, 3.5vw, 2.25rem);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: .6rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.section__subtitle {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ================================================================
   9. ABOUT SECTION
   ================================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 2.5rem;
}

.about__img-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.about__img-wrapper img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}
.about__img-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  padding: .75rem 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: .1rem;
  box-shadow: var(--shadow-md);
}
.about__img-badge span { font-size: 1.5rem; }
.about__img-badge strong { font-size: 1rem; color: var(--green-700); }
.about__img-badge small  { font-size: .75rem; color: var(--gray-500); }

.about__tag {
  display: inline-block;
  background: var(--green-50);
  color: var(--green-700);
  padding: .35rem .85rem;
  border-radius: var(--radius-full);
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.about__text {
  color: var(--gray-600);
  margin-bottom: .875rem;
  font-size: .95rem;
  line-height: 1.7;
}

.about__features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}
.feature-card {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  padding: 1rem 1.25rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--green-200);
}
.feature-card__icon { font-size: 1.5rem; flex-shrink: 0; margin-top: .1rem; }
.feature-card h4 { font-size: .95rem; margin-bottom: .2rem; }
.feature-card p  { font-size: .85rem; color: var(--gray-500); margin: 0; }

/* Info cards – 5 equal columns on desktop, centered */
.info-cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
@media (min-width: 900px) {
  .info-cards--5 {
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
  }
}

.info-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.info-card__icon { font-size: 1.75rem; margin-bottom: .5rem; }
.info-card h4 { font-size: .875rem; margin-bottom: .35rem; color: var(--gray-900); }
.info-card p  { font-size: .825rem; color: var(--gray-500); margin: 0; line-height: 1.5; }

/* ================================================================
   10. STORY SECTION
   ================================================================ */
.story__block {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2rem;
}
.story__block--alt { background: var(--green-50); }

.story__block-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}
.story__icon {
  font-size: 2rem;
  width: 56px; height: 56px;
  background: var(--green-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Timeline */
.story__timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-left: 1rem;
  border-left: 2px solid var(--gray-200);
}
.timeline-item {
  display: flex;
  gap: 1.25rem;
  position: relative;
  padding-left: 1rem;
}
.timeline-item__dot {
  position: absolute;
  left: -1.85rem;
  top: .35rem;
  width: 14px; height: 14px;
  background: var(--gray-300);
  border: 3px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--gray-300);
  flex-shrink: 0;
}
.timeline-item__dot--active {
  background: var(--green-600);
  box-shadow: 0 0 0 2px var(--green-600);
}
.timeline-item__year {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  color: var(--green-700);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .35rem;
}
.timeline-item__content h4 { font-size: 1rem; margin-bottom: .35rem; }
.timeline-item__content p  { font-size: .9rem; color: var(--gray-500); margin: 0; }

/* Activities grid – 3 equal columns, stretch height */
.activities__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}
.activity-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.activity-card__icon { font-size: 2rem; margin-bottom: .75rem; }
.activity-card h4 { font-size: .95rem; margin-bottom: .35rem; }
.activity-card p  { font-size: .85rem; color: var(--gray-500); margin: 0; }

/* Vision grid – 3 equal columns, stretch height */
.story__vision { margin-top: 2rem; }
.vision__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}
.vision__card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--gray-200);
  background: var(--white);
  display: flex;
  flex-direction: column;
}
.vision__card--mission { border-top: 4px solid var(--green-600); }
.vision__card--vision  { border-top: 4px solid var(--amber-500); }
.vision__card--team    { border-top: 4px solid #3b82f6; }
.vision__icon { font-size: 2rem; margin-bottom: .75rem; }
.vision__card h3 { font-size: 1.05rem; margin-bottom: .75rem; }
.vision__card p  { font-size: .9rem; color: var(--gray-500); margin: 0; }

.team__list { list-style: none; padding: 0; margin: 0; text-align: left; }
.team__list li {
  padding: .4rem 0;
  font-size: .875rem;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.team__list li:last-child { border-bottom: none; }

/* ================================================================
   11. PRICING SECTION
   ================================================================ */
.pricing { background: var(--gray-50); }
.pricing__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: stretch;
}

.price-table {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.price-table--featured {
  border-color: var(--green-600);
  box-shadow: 0 0 0 2px rgba(22,163,74,.2), var(--shadow-lg);
  position: relative;
}
.price-table__badge {
  background: var(--green-600);
  color: var(--white);
  text-align: center;
  padding: .5rem;
  font-size: .8rem;
  font-weight: 700;
}

.price-table__header {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1.5rem;
  border-bottom: 1px solid var(--gray-100);
  background: var(--green-50);
}
.price-table__icon { font-size: 1.5rem; }
.price-table__header h3 { font-size: 1rem; margin: 0; }

.price-table table {
  width: 100%;
  border-collapse: collapse;
}
.price-table th, .price-table td {
  padding: .875rem 1.25rem;
  font-size: .9rem;
  border-bottom: 1px solid var(--gray-100);
}
.price-table th {
  background: var(--gray-50);
  font-weight: 700;
  font-size: .8rem;
  text-transform: uppercase;
  color: var(--gray-500);
  letter-spacing: .05em;
}
.price-table td.price {
  font-weight: 700;
  color: var(--green-700);
  text-align: right;
}
.price-table td.free {
  color: var(--green-600);
}

.price-table__note {
  padding: 1.25rem;
  border-top: 1px solid var(--gray-100);
  margin-top: auto;
}
.price-table__note p {
  font-size: .875rem;
  color: var(--gray-600);
  margin-bottom: .35rem;
}

/* ================================================================
   12. TOURS SECTION
   ================================================================ */
.tour-highlight {
  background: linear-gradient(135deg, var(--green-700), var(--green-600));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-lg);
}
.tour-highlight__price {
  display: flex;
  align-items: baseline;
  gap: .4rem;
}
.tour-highlight__from  { font-size: 1rem; opacity: .85; }
.tour-highlight__amount{
  font-size: 3rem;
  font-weight: 800;
  color: var(--amber-400);
  line-height: 1;
}
.tour-highlight__unit  { font-size: 1rem; opacity: .85; }

.tour-highlight__includes {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}
.tour-highlight__tag {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  padding: .4rem .9rem;
  border-radius: var(--radius-full);
  font-size: .85rem;
  font-weight: 500;
}

/* Tours grid – 3 equal columns, stretch */
.tours__grid { display: grid; gap: 1.5rem; align-items: stretch; }
.tours__grid--full { grid-template-columns: repeat(3, 1fr); }

.tour-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.tour-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.tour-card__image {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.tour-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.tour-card:hover .tour-card__image img { transform: scale(1.05); }

.tour-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.5), transparent);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}
.tour-card__price {
  background: var(--green-600);
  color: var(--white);
  padding: .3rem .75rem;
  border-radius: var(--radius-full);
  font-size: .75rem;
  font-weight: 600;
}
.tour-card__body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.tour-card__icon { font-size: 1.5rem; margin-bottom: .5rem; }
.tour-card__body h3 { font-size: .975rem; margin-bottom: .35rem; }
.tour-card__body p  { font-size: .875rem; color: var(--gray-500); margin-bottom: .875rem; flex: 1; }

/* Tour extras – 2 equal columns */
.tour-extras {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2.5rem 0;
  align-items: stretch;
}
.tour-extra {
  display: flex;
  gap: 1rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}
.tour-extra__icon {
  font-size: 2rem;
  flex-shrink: 0;
}
.tour-extra h4 { font-size: .95rem; margin-bottom: .35rem; }
.tour-extra p  { font-size: .875rem; color: var(--gray-500); margin: 0; }

.tours__cta {
  text-align: center;
  margin-top: 2rem;
}

/* ================================================================
   13. GALLERY SECTION
   ================================================================ */
.gallery {
  position: relative;
  overflow: hidden;
  background: #0a1a10;
}

/* Parallax background */
.gallery__parallax {
  position: absolute;
  inset: -60px 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  filter: blur(2px) brightness(.35);
  transform: scale(1.08);
  z-index: 0;
}

/* Color overlay */
.gallery__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(5,46,22,.88) 0%,
    rgba(10,26,16,.75) 40%,
    rgba(5,46,22,.88) 100%
  );
  z-index: 1;
}

.gallery__content {
  position: relative;
  z-index: 2;
}

.gallery .section__header { margin-bottom: 2.5rem; }
.gallery .section__eyebrow {
  color: var(--green-400);
  letter-spacing: .12em;
}
.gallery .section__title {
  color: var(--white);
  text-shadow: 0 2px 12px rgba(0,0,0,.4);
  font-weight: 800;
}
.gallery .section__subtitle {
  color: rgba(255,255,255,.8);
  font-size: 1.05rem;
  text-shadow: 0 1px 6px rgba(0,0,0,.25);
}

/* Disable parallax on mobile (better perf) */
@media (max-width: 768px) {
  .gallery__parallax {
    background-attachment: scroll;
    inset: -30px 0;
  }
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: .75rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.gallery__item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.gallery__item--tall { grid-row: span 2; }
.gallery__item--wide { grid-column: span 2; }

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.gallery__item:hover img { transform: scale(1.08); }

.gallery__item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery__item:hover .gallery__item-overlay { opacity: 1; }

/* ================================================================
   14. REVIEWS SECTION
   ================================================================ */
.reviews__stars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-size: 1.25rem;
  margin-top: .5rem;
}
.reviews__rating {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-700);
}

.reviews__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.review-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.review-card--featured {
  border-color: var(--green-500);
  box-shadow: 0 0 0 2px rgba(34,197,94,.15), var(--shadow-md);
}

.review-card__stars { font-size: 1rem; margin-bottom: 1rem; }
.review-card__text  {
  font-size: .95rem;
  color: var(--gray-700);
  font-style: italic;
  margin-bottom: 1.5rem;
  line-height: 1.7;
  flex: 1;
}
.review-card__author {
  display: flex;
  align-items: center;
  gap: .875rem;
}
.review-card__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-600), var(--green-500));
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.review-card__author strong { display: block; font-size: .9rem; }
.review-card__author span   { font-size: .8rem; color: var(--gray-400); }

/* ================================================================
   15. NEWS SECTION
   ================================================================ */
.news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  align-items: stretch;
}

.news-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.news-card__image {
  height: 200px;
  overflow: hidden;
  background: var(--gray-100);
}
.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.news-card:hover .news-card__image img { transform: scale(1.05); }
.img-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--green-100), var(--green-50));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.news-card__body   { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.news-card__date   { font-size: .75rem; color: var(--gray-400); margin-bottom: .35rem; }
.news-card__title  { font-size: 1rem; margin-bottom: .5rem; line-height: 1.4; }
.news-card__link   { font-size: .875rem; color: var(--green-600); font-weight: 500; margin-top: auto; }
.news-card__link:hover { text-decoration: underline; }

.news .section__header + .btn { display: block; width: fit-content; margin: 0 auto; }
.news__empty { text-align: center; color: var(--gray-500); padding: 2rem 1rem; margin: 0; }

/* ================================================================
   16. CONTACT SECTION
   ================================================================ */
.contact { background: var(--gray-50); }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact__info h3 { font-size: 1.5rem; margin-bottom: .5rem; }
.contact__info > p { color: var(--gray-500); margin-bottom: 2rem; }

.contact__items {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.contact__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contact__item-icon {
  font-size: 1.25rem;
  width: 44px; height: 44px;
  background: var(--green-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact__item strong { display: block; font-size: .875rem; margin-bottom: .2rem; color: var(--gray-900); }
.contact__item p { font-size: .875rem; color: var(--gray-500); margin: 0; }
.contact__item a { color: var(--green-600); }

.contact__buttons {
  display: flex;
  gap: .875rem;
  flex-wrap: wrap;
}

/* Form */
.form-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}
.form-card h3 { font-size: 1.3rem; margin-bottom: .35rem; }
.form-card > p { font-size: .875rem; color: var(--gray-500); margin-bottom: 1.75rem; }

.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: .45rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(34,197,94,.12);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.required { color: #ef4444; margin-left: .1rem; }

.form-error {
  display: block;
  font-size: .8rem;
  color: #ef4444;
  margin-top: .3rem;
}

.form-privacy {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .8rem;
  color: var(--gray-400);
  margin-top: .875rem;
}

.hidden { display: none !important; }

.form-success {
  text-align: center;
  padding: 2rem;
}
.form-success__icon { font-size: 3rem; margin-bottom: 1rem; }
.form-success h4 { font-size: 1.25rem; margin-bottom: .5rem; color: var(--green-700); }
.form-success p  { color: var(--gray-500); }

/* ================================================================
   17. FOOTER
   ================================================================ */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.75);
  padding: 4rem 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  align-items: start;
}

.footer__brand p {
  font-size: .9rem;
  line-height: 1.7;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  color: rgba(255,255,255,.6);
}

.footer__social {
  display: flex;
  gap: .75rem;
}
.social-link {
  width: 40px; height: 40px;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.75);
  transition: background var(--transition), color var(--transition);
  font-size: .85rem;
}
.social-link:hover { background: var(--green-600); color: var(--white); }
.social-link--zalo { font-weight: 800; font-size: .9rem; }

.footer__col h4 {
  font-size: .95rem;
  color: var(--white);
  margin-bottom: 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__col ul { list-style: none; padding: 0; }
.footer__col ul li {
  padding: .35rem 0;
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  line-height: 1.5;
}
.footer__col ul li a {
  color: inherit;
  transition: color var(--transition);
}
.footer__col ul li a:hover { color: var(--green-400); }

.footer__bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}
.footer__bottom p     { font-size: .8rem; color: rgba(255,255,255,.4); }
.footer__credit       { font-size: .75rem; }

/* ================================================================
   18. FLOATING CTA
   ================================================================ */
.floating-cta {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.floating-cta.is-visible {
  opacity: 1;
  visibility: visible;
}
.floating-btn {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1.1rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: .85rem;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.floating-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.floating-btn--phone { background: var(--green-600); }
.floating-btn--zalo  { background: #0068ff; }

/* ================================================================
   19. UTILITIES & A11Y
   ================================================================ */
.hidden { display: none !important; }

/* Focus visible for keyboard nav */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 2px;
}
.lang-switcher:focus-visible,
.hamburger:focus-visible { outline-offset: 2px; }

/* AOS fallback (shows content even without AOS library) */
[data-aos] { opacity: 1 !important; transform: none !important; }

/* ================================================================
   20. RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .btn--phone { display: none; }

  .about__grid        { grid-template-columns: 1fr; gap: 2.5rem; }
  .info-cards--5      { grid-template-columns: repeat(3, 1fr) !important; }
  .vision__grid      { grid-template-columns: 1fr 1fr; }
  .tours__grid--full  { grid-template-columns: repeat(2, 1fr); }
  .pricing__grid      { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .contact__grid      { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer__grid       { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .section { padding: 3rem 0; }
  .section__header { margin-bottom: 2.25rem; }

  .hero__content { padding: 3rem 1.5rem 4rem; max-width: 100%; }
  .hero__stats   { flex-direction: column; align-items: flex-start; gap: .75rem; padding: 1rem 1.25rem; width: 100%; max-width: none; }
  .stat__divider { width: 100%; height: 1px; margin: 0; }

  .hero__actions { flex-direction: column; gap: .75rem; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hide-mobile { display: none; }

  .about__img-wrapper img { height: 280px; }
  .info-cards--5 { grid-template-columns: repeat(2, 1fr) !important; }
  .activities__grid { grid-template-columns: repeat(2, 1fr); }
  .vision__grid { grid-template-columns: 1fr; }

  .tours__grid--full { grid-template-columns: 1fr; }
  .tour-highlight { flex-direction: column; text-align: center; padding: 1.5rem; }
  .tour-highlight__amount { font-size: 2.5rem; }
  .tour-extras { grid-template-columns: 1fr; }

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 160px;
    gap: .5rem;
  }
  .gallery__item--wide { grid-column: span 2; }

  .reviews__grid { grid-template-columns: 1fr; }
  .news__grid    { grid-template-columns: 1fr; }

  .contact__grid { grid-template-columns: 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 1.75rem; }

  .footer__grid { grid-template-columns: 1fr; gap: 2rem; padding-bottom: 2.5rem; }
  .footer__bottom { flex-direction: column; text-align: center; padding: 1.25rem 0; }

  .floating-cta { bottom: 1rem; right: 1rem; }
  .floating-btn span:last-child { display: none; }
  .floating-btn { padding: .75rem 1rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero__title { font-size: 2rem; }
  .section__title { font-size: 1.5rem; }
  .info-cards--5 { grid-template-columns: 1fr !important; }
  .activities__grid { grid-template-columns: 1fr; }
  .gallery__grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }
  .gallery__item--tall { grid-row: span 1; }
  .gallery__item--wide { grid-column: span 1; }
  .contact__buttons { flex-direction: column; }
  .contact__buttons .btn { width: 100%; justify-content: center; }
}