/* ===== ROOT VARIABLES ===== */
:root {
  --green-primary: #1e6b2e;
  --green-dark: #145220;
  --green-light: #4caf50;
  --green-pale: #e8f5e9;
  --accent: #f9a825;
  --accent-dark: #f57f17;
  --text-dark: #1a1a1a;
  --text-mid: #444;
  --text-light: #777;
  --white: #ffffff;
  --shadow: 0 4px 20px rgba(0,0,0,0.12);
  --radius: 12px;
  --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Be Vietnam Pro', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAVBAR ===== */
#navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 2px solid var(--green-pale);
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--green-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo span { font-size: 1.8rem; }

.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  font-weight: 600;
  color: var(--text-mid);
  transition: var(--transition);
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--green-primary); }

.nav-cta {
  background: var(--green-primary);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 0.9rem !important;
}
.nav-cta:hover { background: var(--green-dark) !important; color: var(--white) !important; }

/* Phone CTA in navbar */
.nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  background: linear-gradient(135deg, #e8460a 0%, #ff6b1a 100%);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  padding: 8px 18px;
  border-radius: 999px;
  letter-spacing: 0.03em;
  box-shadow: 0 3px 12px rgba(232,70,10,0.35);
  transition: transform .15s, box-shadow .15s;
  white-space: nowrap;
}
.nav-phone:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,70,10,0.5);
}
.nav-phone-icon { font-size: 1rem; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 26px;
  height: 3px;
  background: var(--green-primary);
  border-radius: 3px;
  transition: var(--transition);
}

/* ===== HERO ===== */
#hero {
  min-height: 90vh;
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-primary) 50%, #388e3c 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 5% 60px;
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Ccircle cx='50' cy='50' r='40' fill='none' stroke='rgba(255,255,255,0.04)' stroke-width='1'/%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  color: #c8e6c9;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  border: 1px solid rgba(255,255,255,0.2);
}

#hero h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  max-width: 800px;
  margin: 0 auto 20px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

#hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 12px;
}
.hero-sub strong { color: var(--white); }

.hero-info {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.hero-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  background: rgba(255,255,255,0.1);
  padding: 8px 16px;
  border-radius: 999px;
}
.hero-info-item .icon { font-size: 1rem; }

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-dark);
  font-weight: 800;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(249,168,37,0.4);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(249,168,37,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 1rem;
  border: 2px solid rgba(255,255,255,0.6);
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.hero-fruits {
  position: absolute;
  font-size: 3rem;
  opacity: 0.08;
  user-select: none;
  pointer-events: none;
}
.hero-fruits.f1 { top: 10%; left: 5%; font-size: 4rem; }
.hero-fruits.f2 { top: 15%; right: 8%; font-size: 5rem; }
.hero-fruits.f3 { bottom: 15%; left: 8%; font-size: 3.5rem; }
.hero-fruits.f4 { bottom: 10%; right: 5%; font-size: 4rem; }

/* ===== SECTIONS COMMON ===== */
section { padding: 80px 5%; }

.section-tag {
  display: inline-block;
  background: var(--green-pale);
  color: var(--green-primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.section-title em {
  font-style: normal;
  color: var(--green-primary);
}

.section-desc {
  color: var(--text-light);
  font-size: 1rem;
  max-width: 560px;
  margin-bottom: 48px;
}

/* ===== HIGHLIGHTS ===== */
#highlights {
  background: var(--white);
}

.highlights-header { text-align: center; }
.highlights-header .section-desc { margin-left: auto; margin-right: auto; }

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 0;
}

.highlight-card {
  background: var(--green-pale);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  border: 2px solid transparent;
}
.highlight-card:hover {
  border-color: var(--green-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.highlight-card .hc-icon { font-size: 2.8rem; margin-bottom: 16px; }
.highlight-card h3 { font-size: 1.05rem; font-weight: 800; color: var(--green-dark); margin-bottom: 8px; }
.highlight-card p { font-size: 0.9rem; color: var(--text-mid); }

/* ===== TOURS ===== */
#tours {
  background: #f7fdf7;
}

.tours-header { text-align: center; }
.tours-header .section-desc { margin-left: auto; margin-right: auto; }

.tours-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.tour-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.tour-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.tour-card-header {
  background: linear-gradient(135deg, var(--green-primary), var(--green-light));
  padding: 28px 24px 20px;
  text-align: center;
  position: relative;
}
.tour-card-header .combo-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.tour-card-header .price {
  font-size: 2rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin: 8px 0 4px;
}
.tour-card-header .price span { font-size: 0.9rem; font-weight: 600; }
.tour-card-header .combo-name {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
  font-weight: 600;
}

.tour-card.featured .tour-card-header {
  background: linear-gradient(135deg, #1565c0, #1976d2);
}
.tour-card.best-value .tour-card-header {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
}
.tour-card.best-value .tour-card-header .price,
.tour-card.best-value .tour-card-header .combo-label,
.tour-card.best-value .tour-card-header .combo-name {
  color: var(--text-dark);
}

.badge-popular {
  position: absolute;
  top: -1px;
  right: 16px;
  background: #e53935;
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 0 0 8px 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-best {
  position: absolute;
  top: -1px;
  right: 16px;
  background: var(--green-dark);
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 0 0 8px 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tour-card-body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tour-includes {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  flex: 1;
}
.tour-includes li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-mid);
}
.tour-includes li::before {
  content: '✓';
  color: var(--green-primary);
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 1px;
}

.btn-menu {
  background: none;
  border: none;
  color: var(--green-primary);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  margin-bottom: 16px;
  text-decoration: underline;
  font-family: inherit;
}
.btn-menu:hover { color: var(--green-dark); }

.tour-book-btn {
  display: block;
  width: 100%;
  background: var(--green-primary);
  color: var(--white);
  font-weight: 800;
  padding: 12px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  text-align: center;
  transition: var(--transition);
  font-family: inherit;
}
.tour-book-btn:hover { background: var(--green-dark); }

/* ===== KIDS PROMO ===== */
.kids-promo {
  background: linear-gradient(135deg, var(--green-primary), #388e3c);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--white);
}
.kids-promo .kids-icon { font-size: 2.5rem; flex-shrink: 0; }
.kids-promo h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: 6px; }
.kids-promo p { font-size: 0.9rem; color: rgba(255,255,255,0.9); }

/* ===== MENU MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  animation: modalIn 0.25s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--green-pale);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: #c8e6c9; }

.modal-box h2 {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--green-dark);
  margin-bottom: 8px;
}
.modal-box .modal-subtitle {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.menu-item {
  background: var(--green-pale);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--green-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}
.menu-item::before { content: '🍽️'; font-size: 1rem; }

/* ===== BOOKING FORM ===== */
#booking {
  background: var(--white);
}

.booking-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.booking-info h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.3;
}
.booking-info h2 em { font-style: normal; color: var(--green-primary); }

.booking-info p {
  color: var(--text-mid);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--green-pale);
  border-radius: 10px;
}
.contact-item .ci-icon { font-size: 1.4rem; flex-shrink: 0; }
.contact-item .ci-label { font-size: 0.75rem; color: var(--text-light); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.contact-item .ci-value { font-weight: 700; color: var(--green-dark); font-size: 0.95rem; }

.ci-phone-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-size: 1.75rem;
  font-weight: 900;
  color: #fff;
  background: linear-gradient(135deg, #e8460a 0%, #ff6b1a 100%);
  padding: 10px 22px;
  border-radius: 999px;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: 0 5px 18px rgba(232,70,10,0.4);
  transition: transform .18s, box-shadow .18s;
  animation: pulse-phone 2.2s ease-in-out infinite;
}
.ci-phone-cta::before {
  content: "📞";
  font-size: 1.3rem;
}
.ci-phone-cta:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 10px 28px rgba(232,70,10,0.5);
  animation: none;
}
@keyframes pulse-phone {
  0%, 100% { box-shadow: 0 5px 18px rgba(232,70,10,0.4); }
  50%       { box-shadow: 0 5px 28px rgba(232,70,10,0.7); transform: scale(1.025); }
}

/* FORM */
.booking-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: 0 4px 30px rgba(30,107,46,0.1);
  border: 2px solid var(--green-pale);
}

.booking-form h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--green-pale);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-mid);
  margin-bottom: 6px;
}
.form-group label .req { color: #e53935; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--text-dark);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-light);
  box-shadow: 0 0 0 3px rgba(76,175,80,0.15);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #e53935;
}

.form-group textarea { resize: vertical; min-height: 90px; }

.field-error {
  display: none;
  font-size: 0.78rem;
  color: #e53935;
  margin-top: 4px;
  font-weight: 600;
}
.field-error.show { display: block; }

.form-submit-btn {
  width: 100%;
  background: var(--green-primary);
  color: var(--white);
  font-weight: 800;
  padding: 14px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  margin-top: 8px;
}
.form-submit-btn:hover { background: var(--green-dark); transform: translateY(-1px); }
.form-submit-btn:active { transform: translateY(0); }

.form-success {
  display: none;
  background: var(--green-pale);
  border: 2px solid var(--green-light);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  margin-top: 16px;
}
.form-success.show { display: block; }
.form-success .success-icon { font-size: 2.5rem; margin-bottom: 8px; }
.form-success h4 { font-weight: 800; color: var(--green-dark); margin-bottom: 6px; }
.form-success p { font-size: 0.88rem; color: var(--text-mid); }

/* ===== FOOTER ===== */
footer {
  background: var(--green-dark);
  color: rgba(255,255,255,0.85);
  padding: 48px 5% 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}

.footer-brand .brand-name {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.7);
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green-pale);
  margin-bottom: 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--white); }

.footer-contact-list { display: flex; flex-direction: column; gap: 10px; }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
}
.footer-contact-item .fci-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }

.footer-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 20px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .booking-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-phone { padding: 8px 12px; }
  .nav-phone-text { display: none; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: var(--white);
    padding: 20px 5%;
    border-bottom: 2px solid var(--green-pale);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    gap: 16px;
  }

  #hero { min-height: 80vh; padding: 100px 5% 60px; }
  section { padding: 60px 5%; }

  .form-row { grid-template-columns: 1fr; }
  .booking-form { padding: 24px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .menu-grid { grid-template-columns: 1fr; }

  .kids-promo { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .tours-grid { grid-template-columns: 1fr; }
  .highlights-grid { grid-template-columns: 1fr; }
  .hero-info { flex-direction: column; align-items: center; }
}