/* ===== CSS VARIABLES ===== */
:root {
  /* Brand Colors */
  --primary-blue: #1E3A8A;
  --secondary-green: #00FF88;
  --background-white: #FFFFFF;
  --footer-dark: #0F172A;
  
  /* Light Section Backgrounds */
  --section-light-1: #F8FAFC;
  --section-light-2: #F1F5F9;
  
  /* Neutral Colors */
  --neutral-100: #F1F5F9;
  --neutral-200: #E2E8F0;
  --neutral-300: #CBD5E1;
  --neutral-500: #64748B;
  --neutral-700: #334155;
  --neutral-900: #0F172A;
  
  /* Typography */
  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-pill: 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===== BASE STYLES ===== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--neutral-900);
  background-color: var(--background-white);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  color: var(--primary-blue);
  margin: 0 0 var(--space-lg) 0;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-xl);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-lg);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-md);
}

p {
  margin: 0 0 var(--space-lg) 0;
  color: var(--neutral-700);
  max-width: 65ch;
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-bottom: 1px solid transparent;
}

a:hover {
  border-bottom-color: var(--primary-blue);
}

/* ===== LAYOUT COMPONENTS ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-alt {
  background-color: var(--section-light-1);
}

.section-alt:nth-child(even) {
  background-color: var(--section-light-2);
}

/* ===== ELEMENTS WITH MINIMAL BORDERS ===== */
.separator {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neutral-300), transparent);
  border: none;
  margin: var(--space-3xl) 0;
}

/* ===== BUTTONS - PILL SHAPED ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  gap: var(--space-sm);
}

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

.btn-primary:hover {
  background-color: #1E40AF;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: white;
}

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

.btn-secondary:hover {
  background-color: var(--primary-blue);
  color: white;
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--secondary-green);
  color: var(--primary-blue);
  box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
  background-color: #00E676;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ===== UNDERLINED LINKS (ALTERNATIVE TO BUTTONS) ===== */
.link-underline {
  display: inline-block;
  position: relative;
  color: var(--primary-blue);
  font-weight: 500;
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--secondary-green);
  transition: all var(--transition-fast);
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-blue);
  transition: width var(--transition-normal);
}

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

/* ===== CARDS ===== */
.card {
  background-color: var(--background-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--neutral-200);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--neutral-300);
}

.card-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--neutral-200);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-blue);
  margin: 0;
}

.card-text {
  color: var(--neutral-700);
  line-height: 1.6;
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--neutral-700);
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
}

.form-input {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--neutral-300);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--neutral-900);
  background-color: var(--background-white);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* ===== HEADER ===== */
.header {
  background-color: var(--background-white);
  border-bottom: 1px solid var(--neutral-200);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

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

.logo {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--neutral-700);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--primary-blue);
  background-color: var(--section-light-1);
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--footer-dark);
  color: var(--neutral-300);
  padding: var(--space-4xl) 0 var(--space-xl) 0;
}

.footer h4 {
  color: var(--background-white);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
}

.footer p {
  color: var(--neutral-400);
  line-height: 1.6;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--neutral-400);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--secondary-green);
}

.footer-bottom {
  border-top: 1px solid var(--neutral-700);
  padding-top: var(--space-xl);
  margin-top: var(--space-xl);
  text-align: center;
  color: var(--neutral-500);
}

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(135deg, var(--section-light-1) 0%, var(--background-white) 100%);
  padding: var(--space-4xl) 0;
  text-align: center;
}

.hero h1 {
  color: var(--primary-blue);
  margin-bottom: var(--space-xl);
}

.hero p {
  font-size: 1.25rem;
  color: var(--neutral-700);
  max-width: 600px;
  margin: 0 auto var(--space-2xl) auto;
}

.hero-cta {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== COUNTDOWN TIMER ===== */
.countdown-timer {
  background-color: var(--primary-blue);
  color: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  margin: var(--space-2xl) 0;
}

.countdown-timer h3 {
  color: white;
  margin-bottom: var(--space-lg);
}

.countdown-display {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.countdown-item {
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  min-width: 80px;
}

.countdown-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-serif);
  color: var(--secondary-green);
}

.countdown-label {
  display: block;
  font-size: 0.9rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== CHART ANIMATIONS ===== */
.chart-container {
  background-color: var(--background-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-200);
}

.chart {
  position: relative;
  height: 300px;
  margin: var(--space-lg) 0;
}

.chart-bar {
  background: linear-gradient(180deg, var(--primary-blue) 0%, #3B82F6 100%);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: all var(--transition-slow);
  transform-origin: bottom;
  animation: growBar 1s ease-out;
}

.chart-bar:hover {
  filter: brightness(1.1);
  transform: scaleY(1.05);
}

@keyframes growBar {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}

/* ===== INTERACTIVE STATES ===== */
.interactive-element {
  transition: all var(--transition-normal);
  cursor: pointer;
}

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

.interactive-element:focus {
  outline: 2px solid var(--secondary-green);
  outline-offset: 2px;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-3xl) 0;
  }
  
  .hero {
    padding: var(--space-3xl) 0;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .nav {
    gap: var(--space-md);
  }
  
  .countdown-display {
    gap: var(--space-md);
  }
  
  .countdown-item {
    min-width: 70px;
    padding: var(--space-md);
  }
  
  .card {
    padding: var(--space-lg);
  }
  
  h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }
  
  h2 {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }
}

@media (max-width: 480px) {
  .header .container {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .countdown-display {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.py-4xl { padding: var(--space-4xl) 0; }
.px-lg { padding-left: var(--space-lg); padding-right: var(--space-lg); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-pill); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* ===== LOADING STATES ===== */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}