/* -------------------------------------------------------------
 * Brand Palette & Core Design System (WanderAgent AI)
 * ------------------------------------------------------------- */

:root {
  /* Light Theme Variables */
  --background: #FAF9F6;         /* Warm Japandi Alabaster */
  --surface: #FFFFFF;            /* Pure White */
  --surface-alt: #EFF6FF;        /* Soft Blue Container */
  --primary: #1D4ED8;            /* Mineral Cobalt Blue */
  --primary-hover: #1E40AF;
  --secondary: #0F766E;          /* Spruce Teal */
  --secondary-hover: #0F5B55;
  --tertiary: #38BDF8;           /* Sky Mist */
  --text-primary: #1C1917;       /* Deep Bronze Black */
  --text-secondary: #4B5563;     /* Mineral Charcoal */
  --outline: #EAE8E4;            /* Organic Oat / Linen borders */
  --outline-hover: #D1CFCA;
  --error: #DC2626;
  --error-bg: #FEE2E2;
  --success: #15803D;
  --shadow: rgba(28, 25, 23, 0.06);
  --glow: rgba(29, 78, 216, 0.15);
  --card-radius: 32px;
  --button-radius: 20px;
  
  /* Fonts */
  --font-headings: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="dark"] {
  /* Dark Theme Variables */
  --background: #090D16;         /* Obsidian Slate */
  --surface: #0F172A;            /* Mineral Graphite / Shadow Blue */
  --surface-alt: #1E3A8A;        /* Dark Blue Container */
  --primary: #3B82F6;            /* Bright Cobalt Blue */
  --primary-hover: #60A5FA;
  --secondary: #14B8A6;          /* Spruce Teal */
  --secondary-hover: #2DD4BF;
  --tertiary: #38BDF8;
  --text-primary: #F9FAFB;       /* White / Alabaster text */
  --text-secondary: #9CA3AF;     /* Graphite secondary text */
  --outline: #1F2937;            /* Dark border */
  --outline-hover: #374151;
  --error: #EF4444;
  --error-bg: #7F1D1D;
  --success: #22C55E;
  --shadow: rgba(0, 0, 0, 0.2);
  --glow: rgba(59, 130, 246, 0.25);
}

/* Reset and Core Rules */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

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

body {
  background-color: var(--background);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-headings);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* -------------------------------------------------------------
 * Layout Components
 * ------------------------------------------------------------- */

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--button-radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.button-primary {
  background-color: var(--primary);
  color: #FFFFFF;
}

.button-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--glow);
}

.button-outline {
  background-color: transparent;
  border-color: var(--outline);
  color: var(--text-primary);
}

.button-outline:hover {
  background-color: var(--outline);
  border-color: var(--outline-hover);
  transform: translateY(-2px);
}

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

.full-width {
  width: 100%;
}

/* Card base */
.card {
  background-color: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--card-radius);
  padding: 2.5rem;
  box-shadow: 0 4px 20px var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px var(--shadow);
  border-color: var(--outline-hover);
}

/* Badge styling */
.badge {
  display: inline-block;
  background-color: var(--surface-alt);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.4rem 1rem;
  border-radius: 99px;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(29, 78, 216, 0.1);
}

.section-badge {
  display: inline-block;
  color: var(--secondary);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

/* -------------------------------------------------------------
 * Navigation Header
 * ------------------------------------------------------------- */

#app-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(250, 249, 246, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--outline);
  transition: background-color 0.3s ease;
}

[data-theme="dark"] #app-header {
  background-color: rgba(9, 13, 22, 0.8);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.logo-text {
  font-family: var(--font-headings);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-item {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.nav-item:hover {
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.icon-button {
  background: none;
  border: 1px solid var(--outline);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-button:hover {
  background-color: var(--outline);
  border-color: var(--outline-hover);
}

.theme-icon {
  width: 20px;
  height: 20px;
}

/* Toggle Sun/Moon display */
.sun-icon {
  display: none;
}
.moon-icon {
  display: block;
}

[data-theme="dark"] .sun-icon {
  display: block;
}
[data-theme="dark"] .moon-icon {
  display: none;
}

/* -------------------------------------------------------------
 * Hero Section
 * ------------------------------------------------------------- */

.hero-section {
  padding: 8rem 0 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: -15%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--glow) 0%, rgba(29, 78, 216, 0) 70%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  max-width: 750px;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 650px;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

/* -------------------------------------------------------------
 * Features Section
 * ------------------------------------------------------------- */

.features-section {
  padding: 6rem 0;
  border-top: 1px solid var(--outline);
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4.5rem auto;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background-color: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--card-radius);
  padding: 2.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px var(--shadow);
  border-color: var(--outline-hover);
}

.feature-icon-container {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon-container svg {
  width: 28px;
  height: 28px;
}

.primary-theme {
  background-color: rgba(29, 78, 216, 0.1);
  color: var(--primary);
}

.secondary-theme {
  background-color: rgba(15, 118, 110, 0.1);
  color: var(--secondary);
}

.tertiary-theme {
  background-color: rgba(56, 189, 248, 0.1);
  color: var(--tertiary);
}

[data-theme="dark"] .primary-theme {
  background-color: rgba(59, 130, 246, 0.15);
}
[data-theme="dark"] .secondary-theme {
  background-color: rgba(20, 184, 166, 0.15);
}

.feature-card-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.feature-card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* -------------------------------------------------------------
 * Interactive Demos (Matcher & Bet Tracker)
 * ------------------------------------------------------------- */

.demo-section {
  padding: 6rem 0;
  border-top: 1px solid var(--outline);
}

.alt-bg {
  background-color: rgba(28, 25, 23, 0.02);
}

[data-theme="dark"] .alt-bg {
  background-color: rgba(0, 0, 0, 0.15);
}

/* Vector Matcher Layout */
.matcher-container {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: flex-start;
}

.matcher-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 100px;
}

.box-title {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.box-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.9rem;
}

.slider-val {
  color: var(--primary);
}

/* Custom Range Input styling */
.custom-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 99px;
  background: var(--outline);
  outline: none;
  transition: background 0.3s;
}

.custom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.custom-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.custom-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.custom-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
}

/* Matcher Result Card */
.matcher-result {
  overflow: hidden;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.result-image-container {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.result-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, opacity 0.2s ease;
}

.matcher-result:hover .result-img {
  transform: scale(1.03);
}

.image-overlay {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.match-score-badge {
  background-color: var(--primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.4rem 1rem;
  border-radius: 99px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.result-content {
  padding: 2rem;
}

.recommend-badge-label {
  display: inline-block;
  background-color: rgba(29, 78, 216, 0.08);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  margin-bottom: 0.75rem;
}

[data-theme="dark"] .recommend-badge-label {
  background-color: rgba(59, 130, 246, 0.15);
}

.result-name {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.result-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  min-height: 72px;
  transition: opacity 0.2s ease;
}

.destination-tags {
  display: flex;
  gap: 0.5rem;
  transition: opacity 0.2s ease;
}

.tag {
  background-color: var(--outline);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 8px;
}



/* Price Bet Tracker Layout */
.bet-container {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: center;
}

.mt-large {
  margin-top: 1.5rem;
}

.escrow-breakdown {
  margin-top: 2rem;
  border-top: 1px solid var(--outline);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.highlight-row {
  background-color: var(--outline);
  padding: 0.75rem 1rem;
  border-radius: 12px;
  color: var(--text-primary);
}

.text-success {
  color: var(--success);
  font-weight: 600;
}

.text-primary {
  color: var(--primary);
}

.text-secondary {
  color: var(--secondary);
}

.font-bold {
  font-weight: 700;
}

/* Chart Container & SVG */
.chart-container {
  width: 100%;
  margin: 1.5rem 0;
  background-color: rgba(28, 25, 23, 0.01);
  border-radius: 16px;
  padding: 1rem;
  border: 1px dashed var(--outline);
}

[data-theme="dark"] .chart-container {
  background-color: rgba(0, 0, 0, 0.1);
}

.probability-chart {
  width: 100%;
  height: 100%;
  display: block;
}

.chart-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.probability-badge-container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.probability-large-badge {
  background-color: var(--surface-alt);
  border: 1px solid rgba(29, 78, 216, 0.1);
  padding: 0.75rem 1.25rem;
  border-radius: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
}

.probability-large-badge span:first-child {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.probability-large-badge .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.probability-status-message {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* -------------------------------------------------------------
 * Pricing Section
 * ------------------------------------------------------------- */

.pricing-section {
  padding: 6rem 0;
  border-top: 1px solid var(--outline);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--card-radius);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px var(--shadow);
}

.premium-card {
  border-color: var(--primary);
  box-shadow: 0 10px 25px rgba(29, 78, 216, 0.05);
  transform: scale(1.03);
}

.premium-card:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 15px 35px rgba(29, 78, 216, 0.1);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.4rem 1rem;
  border-radius: 99px;
  box-shadow: 0 4px 10px rgba(29, 78, 216, 0.2);
}

.pricing-card-header {
  margin-bottom: 2rem;
}

.tier-name {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.tier-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  min-height: 40px;
}

.price-container {
  display: flex;
  align-items: baseline;
  margin-top: 1rem;
}

.currency {
  font-size: 1.5rem;
  font-weight: 700;
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}

.price-period {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  margin-left: 0.25rem;
}

.under-price-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--secondary);
  margin-top: 0.25rem;
}

.pricing-card-body {
  flex-grow: 1;
  margin-bottom: 2.5rem;
}

.tier-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tier-features li {
  font-size: 0.95rem;
  position: relative;
  padding-left: 1.75rem;
}

.tier-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: bold;
}

.pricing-card-footer {
  margin-top: auto;
}

/* -------------------------------------------------------------
 * CTA Banner Section
 * ------------------------------------------------------------- */

.banner-section {
  padding: 4rem 0 6rem 0;
}

.banner-card {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(29, 78, 216, 0.02) 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.banner-content {
  max-width: 600px;
}

.banner-content h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.banner-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* -------------------------------------------------------------
 * Footer
 * ------------------------------------------------------------- */

#app-footer {
  border-top: 1px solid var(--outline);
  padding: 5rem 0 2rem 0;
  background-color: rgba(28, 25, 23, 0.01);
}

[data-theme="dark"] #app-footer {
  background-color: rgba(0, 0, 0, 0.1);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.brand-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-column h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.footer-column a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-column a:hover {
  color: var(--primary);
}

.support-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 1rem;
  opacity: 0.7;
}

.footer-bottom {
  border-top: 1px solid var(--outline);
  padding-top: 2rem;
}

.bottom-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.bottom-links {
  display: flex;
  gap: 2rem;
}

.bottom-links a:hover {
  color: var(--primary);
}

/* -------------------------------------------------------------
 * Responsive Styling
 * ------------------------------------------------------------- */

@media (max-width: 968px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .matcher-container,
  .bet-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .matcher-inputs {
    position: static;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .premium-card {
    transform: none;
  }
  .premium-card:hover {
    transform: translateY(-4px);
  }
  
  .banner-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  

}

@media (max-width: 576px) {
  .hero-section {
    padding: 6rem 0 4rem 0;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .nav-menu {
    display: none; /* Hide link nav on mobile for simplicity */
  }
  
  .bottom-container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}