/* ==========================================================================
   DESIGN SYSTEM & VARIABLES (Transfers & Tours Colombia - Master English Hub)
   ========================================================================== */

:root {
  /* Colors - Premium Colombia Travel Palette */
  --color-primary: #022a92;       /* Deep Trust Navy */
  --color-primary-hover: #011d66;
  --color-accent: #cd2653;        /* Vibrant Coral Red */
  --color-accent-hover: #b01f44;
  --color-gold: #d4af37;          /* Emerald Gold Highlight */
  --color-dark: #070c25;          /* Deep Slate Black */
  --color-muted: #5a6275;         /* Neutral Gray */
  --color-light: #f4f7fc;         /* Crisp Light Background */
  --color-white: #ffffff;
  --color-success: #10b981;       /* Mint Green Success */
  --color-card-bg: #ffffff;
  
  /* Fonts & Shadows */
  --font-family: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --shadow-sm: 0 2px 6px rgba(7, 12, 37, 0.04);
  --shadow-md: 0 10px 25px rgba(7, 12, 37, 0.08);
  --shadow-lg: 0 20px 40px rgba(7, 12, 37, 0.12);
  --shadow-accent: 0 10px 25px rgba(205, 38, 83, 0.25);
  
  /* Borders & Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--color-light);
  color: var(--color-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
}

h1 span, h2 span {
  color: var(--color-gold);
}

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

a:hover {
  color: var(--color-accent);
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--color-muted);
  font-size: 1.1rem;
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(205, 38, 83, 0.35);
}

.btn-whatsapp-direct {
  background-color: #25d366;
  color: #ffffff;
  width: 100%;
  margin-top: 10px;
  font-weight: 600;
}

.btn-whatsapp-direct:hover {
  background-color: #1eb956;
  color: #ffffff;
}

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

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

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(7, 12, 37, 0.08);
  padding: 14px 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 48px;
  width: auto;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.contact-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.contact-phone i {
  color: #25d366;
  font-size: 1.25rem;
}

.rnt-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(2, 42, 146, 0.06);
  padding: 6px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  background: linear-gradient(135deg, #070c25 0%, #022a92 100%);
  color: var(--color-white);
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 50px;
  align-items: center;
}

.hero-content h1 {
  color: var(--color-white);
  font-size: 3rem;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-content h1 span {
  color: var(--color-gold);
}

.hero-content .tagline {
  font-size: 1.2rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 30px;
}

.hero-badges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-badge-item i {
  color: var(--color-gold);
  font-size: 1.2rem;
}

.hero-badge-item span {
  font-size: 0.9rem;
  font-weight: 500;
  color: #ffffff;
}

/* Hero Form Card */
.hero-form-container {
  background: #ffffff;
  color: var(--color-dark);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-form-container h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.hero-form-container p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 20px;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-dark);
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(2, 42, 146, 0.15);
}

select.form-control {
  background-color: #fff;
  cursor: pointer;
}

.form-submit-btn {
  width: 100%;
  margin-top: 10px;
}

.form-microcopy {
  font-size: 0.78rem;
  color: var(--color-muted);
  text-align: center;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ==========================================================================
   TRUST BAR
   ========================================================================== */
.trust-badges {
  background: var(--color-white);
  padding: 30px 0;
  border-bottom: 1px solid rgba(7, 12, 37, 0.06);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.badge-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.badge-card i {
  font-size: 1.8rem;
  color: var(--color-primary);
  background: rgba(2, 42, 146, 0.08);
  padding: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.badge-card p {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.4;
}

/* ==========================================================================
   AEO AI SNIPPET BOX
   ========================================================================== */
.aeo-snippet-box {
  background: linear-gradient(135deg, rgba(2, 42, 146, 0.04) 0%, rgba(212, 175, 55, 0.08) 100%);
  border-left: 4px solid var(--color-primary);
  padding: 24px;
  border-radius: var(--radius-sm);
  margin: 30px 0;
}

.aeo-snippet-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.aeo-snippet-badge {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.aeo-snippet-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.aeo-snippet-text {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--color-dark);
}

.citation-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(2, 42, 146, 0.3);
}

.citation-link:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   TOUR CATALOG & CATEGORY FILTER
   ========================================================================== */
.catalog-section {
  background-color: var(--color-light);
}

.category-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.tab-btn {
  padding: 10px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 30px;
  border: 1px solid #d1d5db;
  background: var(--color-white);
  color: var(--color-muted);
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover, .tab-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.tours-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.tour-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(7, 12, 37, 0.06);
}

.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(1.05);
}

.tour-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(7, 12, 37, 0.85);
  backdrop-filter: blur(4px);
  color: #fff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.tour-duration {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: var(--color-gold);
  color: var(--color-dark);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
}

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

.tour-card-body h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
  line-height: 1.3;
}

.tour-card-body p {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}

.tour-highlights-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tour-highlight-badge {
  background: rgba(2, 42, 146, 0.06);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
}

.tour-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #f0f2f5;
  padding-top: 16px;
}

.tour-price {
  display: flex;
  flex-direction: column;
}

.tour-price-from {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
}

.tour-price-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-accent);
}

/* ==========================================================================
   TECHNICAL SPECS TABLE (GEO/LLMO)
   ========================================================================== */
.tech-specs-table-wrapper {
  overflow-x: auto;
  margin: 30px 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.tech-specs-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
}

.tech-specs-table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 16px;
  font-weight: 600;
  text-align: left;
  font-size: 0.9rem;
}

.tech-specs-table td {
  padding: 16px;
  border-bottom: 1px solid #f0f2f5;
  font-size: 0.9rem;
}

.tech-specs-table tr:last-child td {
  border-bottom: none;
}

/* ==========================================================================
   DYNAMIC USD FARE CALCULATOR
   ========================================================================== */
.calculator-section {
  background: linear-gradient(135deg, #070c25 0%, #022a92 100%);
  color: var(--color-white);
}

.calculator-section .section-header h2 {
  color: var(--color-white);
}

.calculator-section .section-header p {
  color: rgba(255, 255, 255, 0.8);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 40px;
  align-items: start;
}

.calc-panel {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 32px;
  border-radius: var(--radius-lg);
}

.calc-control {
  margin-bottom: 24px;
}

.calc-control label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #ffffff;
}

.travelers-selector {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.1);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  width: fit-content;
}

.btn-counter {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent);
  color: #fff;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-counter:hover {
  background: var(--color-accent-hover);
}

#calc-travelers-count {
  font-size: 1.3rem;
  font-weight: 700;
  min-width: 30px;
  text-align: center;
}

.option-selector {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.option-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.option-card:hover, .option-card.selected {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--color-gold);
}

.option-info {
  display: flex;
  flex-direction: column;
}

.option-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.option-desc {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.option-price-tag {
  font-weight: 700;
  color: var(--color-gold);
}

/* Calculator Summary Card */
.calc-display-card {
  background: #ffffff;
  color: var(--color-dark);
  padding: 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.calc-display-header h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--color-muted);
  letter-spacing: 1px;
}

.calc-display-header h2 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.price-value-large {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-accent);
  display: block;
}

.price-unit {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.calc-saving-alert {
  background: rgba(16, 185, 129, 0.1);
  color: #065f46;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

/* ==========================================================================
   FAQS ACCORDION (AEO FOCUS)
   ========================================================================== */
.faqs-section {
  background: var(--color-white);
}

.faqs-container {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid #e5e7eb;
  padding: 20px 0;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-question h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.faq-toggle i {
  transition: transform 0.3s ease;
  color: var(--color-primary);
}

.faq-item.open .faq-toggle i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  opacity: 1;
  margin-top: 12px;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: var(--color-dark);
  color: #9ca3af;
  padding: 60px 0 30px;
  font-size: 0.9rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: #9ca3af;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

/* Floating WhatsApp Button */
.whatsapp-floating {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #25d366;
  color: #fff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-floating:hover {
  transform: scale(1.1);
  color: #fff;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE & TABLET)
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  
  .tours-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .calc-grid {
    grid-template-columns: 1fr;
  }
  
  .badges-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .rnt-badge {
    display: none !important;
  }
}

@media (max-width: 640px) {
  section {
    padding: 45px 0;
  }

  .header .container {
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 10px;
    padding: 0 16px;
  }

  .header-actions {
    gap: 10px;
    flex: 1;
    justify-content: flex-end;
  }

  .header-actions .btn {
    padding: 10px 16px;
    font-size: 0.88rem;
    white-space: nowrap;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
  }

  .hero-content h1 {
    font-size: 1.85rem;
    line-height: 1.2;
  }

  .hero-content .tagline {
    font-size: 1rem;
  }

  .hero-form-container {
    padding: 22px 18px;
  }

  .calc-panel, .calc-display-card {
    padding: 22px 18px;
  }

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

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

  .hero-badges {
    grid-template-columns: 1fr;
  }

  .category-tabs {
    gap: 8px;
  }

  .tab-btn {
    padding: 8px 14px;
    font-size: 0.82rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .contact-phone span {
    display: none;
  }

  .contact-phone i {
    font-size: 1.4rem;
  }

  .header-actions .btn {
    padding: 9px 12px;
    font-size: 0.82rem;
  }

  .logo img {
    height: 38px;
  }
}