/* ==========================================================================
   DESCENSO DEL SELLA EN CANOA · DESIGN SYSTEM (APPLE GLASS / MODERN RETRO)
   ========================================================================== */

:root {
  --bg-primary: #0A0F1D;
  --bg-surface: #111827;
  --bg-glass: rgba(17, 24, 39, 0.75);
  --bg-glass-card: rgba(255, 255, 255, 0.04);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(14, 165, 233, 0.5);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --accent-blue: #0284C7;
  --accent-cyan: #06B6D4;
  --accent-amber: #F59E0B;
  --accent-green: #10B981;
  --accent-orange: #EA580C;

  --grad-primary: linear-gradient(135deg, #0284C7 0%, #06B6D4 100%);
  --grad-amber: linear-gradient(135deg, #F59E0B 0%, #EA580C 100%);
  --grad-dark: linear-gradient(180deg, #0A0F1D 0%, #0F172A 100%);
  
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.25);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Glassmorphism primitives */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
}

.glass-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(2, 132, 199, 0.35);
  box-shadow: var(--shadow-glow);
}

/* Badges & Pills */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(2, 132, 199, 0.3);
  color: var(--accent-cyan);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-amber {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--accent-amber);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--grad-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(2, 132, 199, 0.35);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(2, 132, 199, 0.5);
}

.btn-amber {
  background: var(--grad-amber);
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
}

.btn-amber:hover {
  box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  background: transparent;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 29, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  padding: 14px 0;
}

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

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-logo svg {
  height: 42px;
  width: auto;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
}

.nav-link:hover {
  color: var(--text-main);
}

@media (max-width: 860px) {
  .header-nav {
    display: none;
  }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.15) 0%, rgba(10, 15, 29, 0) 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 2.85rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 18px 0;
}

.hero-content h1 span {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-stats {
  display: flex;
  gap: 28px;
  border-top: 1px solid var(--border-glass);
  padding-top: 24px;
}

.stat-item h4 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
}

.stat-item p {
  font-size: 0.82rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-media {
  position: relative;
}

.hero-card-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-glass);
}

.hero-card-img img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.hero-card-img:hover img {
  transform: scale(1.03);
}

.hero-float-badge {
  position: absolute;
  bottom: -20px;
  left: 20px;
  padding: 16px 20px;
  background: rgba(17, 24, 39, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glass);
  display: flex;
  align-items: center;
  gap: 14px;
}

.float-badge-icon {
  width: 44px;
  height: 44px;
  background: var(--grad-amber);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.float-badge-text h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.float-badge-text p {
  font-size: 0.8rem;
  color: var(--accent-amber);
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-actions, .hero-stats {
    justify-content: center;
  }
  .hero-content h1 {
    font-size: 2.2rem;
  }
  .hero-float-badge {
    position: static;
    margin-top: 20px;
    justify-content: center;
  }
}

/* ==========================================================================
   AUDIENCE TARGETS (GRUPOS, COLEGIOS, DESPEDIDAS, PACKS)
   ========================================================================== */
.targets-section {
  padding: 80px 0;
  background: rgba(17, 24, 39, 0.4);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.section-head h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
}

.section-head p {
  font-size: 1.05rem;
  color: var(--text-muted);
}

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

.target-card {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.target-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(2, 132, 199, 0.15);
  border: 1px solid rgba(2, 132, 199, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.target-card:nth-child(2) .target-icon {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
}

.target-card:nth-child(3) .target-icon {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.3);
}

.target-card:nth-child(4) .target-icon {
  background: rgba(234, 88, 12, 0.15);
  border-color: rgba(234, 88, 12, 0.3);
}

.target-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.target-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.target-perks {
  list-style: none;
  border-top: 1px solid var(--border-glass);
  padding-top: 16px;
  margin-bottom: 20px;
}

.target-perks li {
  font-size: 0.85rem;
  color: var(--text-main);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.target-perks li::before {
  content: '✓';
  color: var(--accent-cyan);
  font-weight: bold;
}

@media (max-width: 1024px) {
  .targets-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .targets-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   INTERACTIVE CALCULATOR / GROUP BUDGET ESTIMATOR
   ========================================================================== */
.calc-section {
  padding: 80px 0;
}

.calc-box {
  padding: 40px;
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.calc-controls h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.step-label {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: block;
}

.group-type-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.type-btn {
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.type-btn.active, .type-btn:hover {
  background: rgba(2, 132, 199, 0.2);
  border-color: var(--accent-blue);
  color: #FFFFFF;
}

.stepper-container {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}

.stepper-box {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 6px;
}

.stepper-btn {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  font-size: 1.4rem;
  font-weight: bold;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stepper-btn:hover {
  background: rgba(2, 132, 199, 0.4);
  color: #FFF;
}

.stepper-val {
  min-width: 60px;
  text-align: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.stepper-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.calc-summary {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(2, 132, 199, 0.3);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.calc-summary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-primary);
}

.summary-tier {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.summary-price-pax {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1;
}

.summary-price-pax span {
  font-size: 1.1rem;
  color: var(--text-dim);
  font-weight: 500;
}

.summary-total {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin: 12px 0 24px;
}

.summary-total strong {
  color: var(--accent-cyan);
}

@media (max-width: 860px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
  .calc-box {
    padding: 24px;
  }
}

/* ==========================================================================
   TRAMOS / STRETCHES
   ========================================================================== */
.tramos-section {
  padding: 80px 0;
  background: rgba(17, 24, 39, 0.4);
}

.tramos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tramo-card {
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.tramo-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.tramo-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.tramo-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.tramo-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 20px;
}

@media (max-width: 860px) {
  .tramos-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   CONSTELATION ECOSYSTEM / CROSS-LINKING
   ========================================================================== */
.constelacion-section {
  padding: 70px 0;
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  background: rgba(10, 15, 29, 0.6);
}

.constelacion-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.constelacion-card {
  padding: 22px;
  text-align: left;
}

.constelacion-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.constelacion-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.constelacion-card p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.45;
  margin-bottom: 14px;
}

.constelacion-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

@media (max-width: 1024px) {
  .constelacion-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .constelacion-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  background: var(--bg-glass-card);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-q {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
  user-select: none;
}

.faq-arrow {
  font-size: 1.2rem;
  color: var(--accent-cyan);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  padding: 0 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.faq-item.active .faq-a {
  max-height: 250px;
  padding: 0 24px 20px;
}

/* ==========================================================================
   GLASS MODAL DIALOG (STRICT ZERO BROWSER PROMPTS)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  width: 100%;
  max-width: 560px;
  background: #111827;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  padding: 32px;
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-window {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #FFF;
}

.modal-head h3 {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.modal-head p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

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

.form-control {
  width: 100%;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #070B14;
  border-top: 1px solid var(--border-glass);
  padding: 50px 0 30px;
  color: var(--text-dim);
  font-size: 0.88rem;
}

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

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}