/* ========================================
   AI WEEKENDS - Main Stylesheet
   Aurora Gradient Design System
   ======================================== */

/* -------------------- 
   CSS Custom Properties (Design Tokens)
   -------------------- */
:root {
  /* Aurora Color Palette */
  --color-golden-yellow: #F7C948;
  --color-sunset-orange: #F5833C;
  --color-coral: #E87B6A;
  --color-lime-green: #9AC33E;
  --color-soft-green: #7AB55C;
  --color-white: #FFFFFF;
  --color-off-white: #FFF9F0;
  --color-cream: #FEF7EC;
  --color-charcoal: #2D2D2D;
  --color-dark: #1A1A1A;
  --color-gray-light: #F5F5F5;
  --color-gray: #6B7280;

  /* Gradients */
  --gradient-aurora: linear-gradient(135deg,
      var(--color-lime-green) 0%,
      var(--color-golden-yellow) 25%,
      var(--color-sunset-orange) 50%,
      var(--color-coral) 75%,
      var(--color-soft-green) 100%);

  --gradient-aurora-vertical: linear-gradient(180deg,
      var(--color-golden-yellow) 0%,
      var(--color-sunset-orange) 35%,
      var(--color-coral) 65%,
      var(--color-lime-green) 100%);

  --gradient-warm: linear-gradient(135deg,
      var(--color-golden-yellow) 0%,
      var(--color-sunset-orange) 50%,
      var(--color-coral) 100%);

  --gradient-fresh: linear-gradient(135deg,
      var(--color-lime-green) 0%,
      var(--color-soft-green) 100%);

  /* Typography */
  --font-primary: 'Exo 2', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Audiowide', 'Exo 2', sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 800;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-warm: 0 10px 40px -10px rgba(245, 131, 60, 0.3);
  --shadow-glow: 0 0 40px rgba(247, 201, 72, 0.4);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-slower: 500ms ease;

  /* Z-Index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

/* -------------------- 
   Reset & Base Styles
   -------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-regular);
  line-height: 1.6;
  color: var(--color-charcoal);
  background-color: var(--color-off-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* -------------------- 
   Utility Classes
   -------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-20) 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray);
  max-width: 600px;
}

.text-center {
  text-align: center;
}

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

/* -------------------- 
   Animations & Keyframes
   -------------------- */

/* Fade In Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade In */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* Scale In */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Float Animation */
@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }
}

/* Pulse Glow */
@keyframes pulseGlow {

  0%,
  100% {
    box-shadow: 0 0 20px rgba(247, 201, 72, 0.4);
  }

  50% {
    box-shadow: 0 0 40px rgba(247, 201, 72, 0.6), 0 0 60px rgba(245, 131, 60, 0.3);
  }
}

/* Gradient Shift */
@keyframes gradientShift {
  0% {
    background-position: 0% 0%;
  }

  25% {
    background-position: 100% 0%;
  }

  50% {
    background-position: 100% 100%;
  }

  75% {
    background-position: 0% 100%;
  }

  100% {
    background-position: 0% 0%;
  }
}

/* Shimmer */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

/* Bounce */
@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-10px);
  }

  60% {
    transform: translateY(-5px);
  }
}

/* Rotate */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* Slide In from Left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide In from Right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Animation Classes */
.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.animate-scale-in {
  animation: scaleIn 0.5s ease forwards;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulseGlow 2s ease-in-out infinite;
}

/* Stagger Animation Delays */
.delay-1 {
  animation-delay: 0.1s;
}

.delay-2 {
  animation-delay: 0.2s;
}

.delay-3 {
  animation-delay: 0.3s;
}

.delay-4 {
  animation-delay: 0.4s;
}

.delay-5 {
  animation-delay: 0.5s;
}

.delay-6 {
  animation-delay: 0.6s;
}

/* Hidden for scroll animations */
.hidden {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.hidden.visible {
  opacity: 1;
  transform: translateY(0);
}

/* -------------------- 
   Header & Navigation
   -------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-4) 0;
  transition: background-color var(--transition-base), backdrop-filter var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
}

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

/* Logo - hidden by default, appears on scroll */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  opacity: 0;
  transform: translateX(-20px);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.header.scrolled .logo {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.logo-img {
  height: 40px;
  width: auto;
  border-radius: var(--radius-md);
}

.logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

/* Nav links - white by default, black on scroll */
.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-white);
  position: relative;
  padding: var(--space-2) 0;
  transition: color var(--transition-base);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header.scrolled .nav-link {
  color: var(--color-charcoal);
  text-shadow: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-white);
  transition: width var(--transition-base), background var(--transition-base);
}

.header.scrolled .nav-link::after {
  background: var(--gradient-warm);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link:hover {
  color: rgba(255, 255, 255, 0.8);
}

.header.scrolled .nav-link:hover {
  color: var(--color-sunset-orange);
}

/* Mobile Menu Toggle - white by default, black on scroll */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-base);
}

.header.scrolled .mobile-menu-toggle span {
  background-color: var(--color-charcoal);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* -------------------- 
   Hero Section
   -------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  overflow: hidden;
  background: var(--gradient-aurora);
  background-size: 400% 400%;
  animation: gradientShift 8s ease-in-out infinite;
  padding-left: var(--space-16);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  mix-blend-mode: overlay;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg,
      rgba(154, 195, 62, 0.3) 0%,
      rgba(247, 201, 72, 0.4) 25%,
      rgba(245, 131, 60, 0.4) 50%,
      rgba(232, 123, 106, 0.3) 75%,
      rgba(122, 181, 92, 0.3) 100%);
}

/* Floating Orbs */
.hero-orbs {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.6;
  animation: float 6s ease-in-out infinite;
}

.orb-1 {
  width: 300px;
  height: 300px;
  background: var(--color-golden-yellow);
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--color-sunset-orange);
  top: 50%;
  right: 10%;
  animation-delay: 2s;
}

.orb-3 {
  width: 250px;
  height: 250px;
  background: var(--color-lime-green);
  bottom: 10%;
  left: 30%;
  animation-delay: 4s;
}

.orb-4 {
  width: 350px;
  height: 350px;
  background: var(--color-coral);
  top: 30%;
  left: 50%;
  animation-delay: 1s;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: left;
  padding: var(--space-8);
  max-width: 900px;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-6);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-6);
  border: 1px solid rgba(255, 255, 255, 0.3);
  animation: fadeInUp 0.6s ease forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-5xl), 10vw, 7rem);
  font-weight: var(--font-weight-black);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-white);
  line-height: 0.95;
  margin-bottom: var(--space-4);
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.1s;
  opacity: 0;
}

.hero-tagline {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-4);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.2s;
  opacity: 0;
}

.hero-subtitle {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 0 var(--space-10) 0;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.3s;
  opacity: 0;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  background: var(--color-white);
  color: var(--color-sunset-orange);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.4s;
  opacity: 0;
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-warm), var(--shadow-xl);
}

.hero-cta svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
}

.hero-cta:hover svg {
  transform: translateX(5px);
}

/* -------------------- 
   About Section
   -------------------- */
.about {
  background: var(--color-white);
  position: relative;
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-content {
  padding-right: var(--space-8);
}

.about-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-6);
  color: var(--color-charcoal);
}

.about-title span {
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-text {
  font-size: var(--text-lg);
  color: var(--color-gray);
  margin-bottom: var(--space-6);
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.about-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.about-feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-warm);
  border-radius: var(--radius-md);
  color: var(--color-white);
  flex-shrink: 0;
}

.about-feature-text {
  font-weight: var(--font-weight-semibold);
  color: var(--color-charcoal);
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.about-image::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100%;
  height: 100%;
  background: var(--gradient-aurora);
  border-radius: var(--radius-2xl);
  z-index: -1;
  opacity: 0.3;
}

/* -------------------- 
   Agenda Section
   -------------------- */
.agenda {
  background: linear-gradient(180deg, var(--color-off-white) 0%, var(--color-cream) 100%);
  position: relative;
}

.agenda-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-aurora-vertical);
  border-radius: 2px;
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  padding: var(--space-8) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.timeline-item:nth-child(odd) .timeline-content {
  grid-column: 1;
  text-align: right;
  padding-right: var(--space-12);
}

.timeline-item:nth-child(odd) .timeline-time {
  grid-column: 2;
  text-align: left;
  padding-left: var(--space-12);
}

.timeline-item:nth-child(even) .timeline-content {
  grid-column: 2;
  text-align: left;
  padding-left: var(--space-12);
}

.timeline-item:nth-child(even) .timeline-time {
  grid-column: 1;
  grid-row: 1;
  text-align: right;
  padding-right: var(--space-12);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background: var(--color-white);
  border: 4px solid var(--color-sunset-orange);
  border-radius: 50%;
  z-index: 2;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.timeline-item:hover .timeline-dot {
  transform: translate(-50%, -50%) scale(1.3);
  box-shadow: 0 0 20px rgba(245, 131, 60, 0.5);
}

.timeline-time {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.timeline-time-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-sunset-orange);
}

.timeline-duration {
  font-size: var(--text-sm);
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.timeline-card {
  background: var(--color-white);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.timeline-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-warm);
}

.timeline-item:hover .timeline-card {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.timeline-card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-charcoal);
  margin-bottom: var(--space-2);
}

.timeline-card-description {
  font-size: var(--text-base);
  color: var(--color-gray);
  line-height: 1.6;
}

/* Break styling */
.timeline-item.break .timeline-card {
  background: linear-gradient(135deg, var(--color-lime-green), var(--color-soft-green));
  color: var(--color-white);
}

.timeline-item.break .timeline-card::before {
  display: none;
}

.timeline-item.break .timeline-card-title,
.timeline-item.break .timeline-card-description {
  color: var(--color-white);
}

.timeline-item.break .timeline-dot {
  border-color: var(--color-lime-green);
}

/* -------------------- 
   Highlights Section
   -------------------- */
.highlights {
  background: var(--color-white);
  position: relative;
  overflow: hidden;
}

.highlights-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.highlights-grid-extended {
  grid-template-columns: repeat(3, 1fr);
}

.highlight-card {
  background: var(--color-off-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-aurora);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.highlight-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-warm);
}

.highlight-card:hover::before {
  opacity: 0.1;
}

.highlight-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-warm);
  border-radius: var(--radius-xl);
  color: var(--color-white);
  position: relative;
  z-index: 1;
  transition: transform var(--transition-base);
}

.highlight-card:hover .highlight-icon {
  transform: scale(1.1) rotate(5deg);
}

.highlight-icon svg {
  width: 40px;
  height: 40px;
}

.highlight-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-charcoal);
  margin-bottom: var(--space-3);
  position: relative;
  z-index: 1;
}

.highlight-description {
  font-size: var(--text-base);
  color: var(--color-gray);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

/* Different gradient for each card */
.highlight-card:nth-child(1) .highlight-icon {
  background: linear-gradient(135deg, var(--color-golden-yellow), var(--color-sunset-orange));
}

.highlight-card:nth-child(2) .highlight-icon {
  background: linear-gradient(135deg, var(--color-sunset-orange), var(--color-coral));
}

.highlight-card:nth-child(3) .highlight-icon {
  background: linear-gradient(135deg, var(--color-coral), var(--color-lime-green));
}

.highlight-card:nth-child(4) .highlight-icon {
  background: linear-gradient(135deg, var(--color-lime-green), var(--color-soft-green));
}

/* -------------------- 
   Community Section
   -------------------- */
.community {
  background: var(--gradient-aurora);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  position: relative;
  overflow: hidden;
}

.community-orbs {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.community-orbs .orb {
  opacity: 0.3;
}

.community-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.community-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-6);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.community-text {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-10);
  line-height: 1.8;
}

.community-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  background: var(--color-white);
  color: var(--color-sunset-orange);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.community-cta:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.social-link {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: transform var(--transition-base), background-color var(--transition-base);
}

.social-link:hover {
  transform: translateY(-3px) scale(1.1);
  background: var(--color-white);
  color: var(--color-sunset-orange);
}

.social-link svg {
  width: 24px;
  height: 24px;
}

/* -------------------- 
   Footer
   -------------------- */
.footer {
  background: var(--color-charcoal);
  color: var(--color-white);
  padding: var(--space-12) 0 var(--space-6);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--space-6);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  gap: var(--space-8);
}

.footer-link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-base);
}

.footer-link:hover {
  color: var(--color-golden-yellow);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
}

.footer-credits {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-credits svg {
  width: 16px;
  height: 16px;
  color: var(--color-coral);
  animation: pulse 1.5s ease infinite;
}

.kovan-logo {
  height: 20px;
  width: auto;
  vertical-align: middle;
  margin-left: var(--space-1);
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.2);
  }
}

/* -------------------- 
   Mobile Menu
   -------------------- */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100vh;
  background: var(--color-white);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  padding: var(--space-20) var(--space-8);
  transition: right var(--transition-slow);
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  z-index: calc(var(--z-modal) - 1);
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-nav-link {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-charcoal);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-gray-light);
  transition: color var(--transition-base), padding-left var(--transition-base);
}

.mobile-nav-link:hover {
  color: var(--color-sunset-orange);
  padding-left: var(--space-4);
}

/* -------------------- 
   Responsive Styles
   -------------------- */
@media (max-width: 1024px) {
  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .about-content {
    padding-right: 0;
    order: 2;
  }

  .about-image {
    order: 1;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-title {
    font-size: clamp(var(--text-4xl), 12vw, var(--text-6xl));
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 50px;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    text-align: left;
    padding: 0;
  }

  .timeline-item:nth-child(odd) .timeline-time,
  .timeline-item:nth-child(even) .timeline-time {
    grid-column: 1;
    grid-row: 1;
    text-align: left;
    padding: 0;
    margin-bottom: var(--space-4);
  }

  .timeline-dot {
    left: 20px;
    top: var(--space-8);
    transform: translateX(-50%);
  }

  .timeline-item:hover .timeline-dot {
    transform: translateX(-50%) scale(1.3);
  }

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

  .footer-content {
    flex-direction: column;
    gap: var(--space-6);
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .section {
    padding: var(--space-16) 0;
  }

  .about-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero-badge {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-4);
  }

  .hero-cta {
    width: 100%;
    justify-content: center;
  }

  .section-title {
    font-size: var(--text-3xl);
  }

  .community-title,
  .about-title {
    font-size: var(--text-3xl);
  }

  .social-links {
    flex-wrap: wrap;
  }
}

/* -------------------- 
   Accessibility
   -------------------- */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-sunset-orange);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-charcoal);
  color: var(--color-white);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  z-index: var(--z-tooltip);
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: var(--space-4);
}