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

html, body {
  width: 100%;
  height: 100%;
}

:root {
  --color-bg-dark: #0e1116;
  --color-bg-mid: #161b22;
  --color-bg-light: #232a33;
  --color-cyan: #4deeea;
  --color-purple: #8b5cf6;
  --color-gold: #f5c97a;
  --color-text: #ffffff;
}

body {
  background-color: var(--color-bg-dark);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.3px;
}

/* Header & Navigation */
header {
  background-color: var(--color-bg-mid);
  border-bottom: 1px solid rgba(77, 238, 234, 0.15);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.logo:hover {
  opacity: 0.8;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 0;
  align-items: center;
}

nav a {
  color: var(--color-text);
  text-decoration: none;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  border-left: 1px solid rgba(77, 238, 234, 0.1);
  display: block;
}

nav a:hover {
  color: var(--color-cyan);
  background-color: rgba(77, 238, 234, 0.05);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, rgba(14, 17, 22, 0.9), rgba(22, 27, 34, 0.95)), url('images/hero-dark-table.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(77, 238, 234, 0.1), transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 70% 50%, rgba(139, 92, 246, 0.05), transparent 50%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: 1px;
  text-shadow: 0 0 30px rgba(77, 238, 234, 0.2);
}

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

.hero .subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  letter-spacing: 1px;
  font-weight: 300;
}

.hero .btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  background-color: var(--color-cyan);
  color: var(--color-bg-dark);
  text-decoration: none;
  border-radius: 2px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  box-shadow: 0 0 20px rgba(77, 238, 234, 0.3);
}

.hero .btn:hover {
  background-color: var(--color-gold);
  box-shadow: 0 0 30px rgba(245, 201, 122, 0.4);
  transform: translateY(-2px);
}

/* Panel Sections */
.panel {
  background-color: var(--color-bg-mid);
  margin: 2rem 1rem;
  padding: 2rem;
  border: 1px solid rgba(77, 238, 234, 0.1);
  border-radius: 2px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(77, 238, 234, 0.05), transparent 70%);
  pointer-events: none;
}

.panel-content {
  position: relative;
  z-index: 2;
}

.panel h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: var(--color-cyan);
  letter-spacing: 0.5px;
  font-weight: 700;
}

.panel h3 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-gold);
  letter-spacing: 0.3px;
  font-weight: 600;
}

.panel p {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.panel ul, .panel ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.85);
}

.panel li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.panel img {
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
  border: 1px solid rgba(77, 238, 234, 0.15);
  border-radius: 2px;
}

/* Grid Layout */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin: 2rem 1rem;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.grid-item {
  background-color: var(--color-bg-mid);
  padding: 1.5rem;
  border: 1px solid rgba(77, 238, 234, 0.1);
  border-radius: 2px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.grid-item h3 {
  color: var(--color-cyan);
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.grid-item p {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

/* Accordion */
.accordion {
  margin: 2rem 1rem;
}

.accordion-item {
  background-color: var(--color-bg-mid);
  border: 1px solid rgba(77, 238, 234, 0.1);
  margin-bottom: 1rem;
  border-radius: 2px;
  overflow: hidden;
}

.accordion-header {
  background-color: var(--color-bg-light);
  padding: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
  border-left: 3px solid rgba(77, 238, 234, 0.2);
}

.accordion-header:hover {
  background-color: rgba(77, 238, 234, 0.05);
  border-left-color: var(--color-cyan);
}

.accordion-header h4 {
  color: var(--color-text);
  font-size: 1.1rem;
  margin: 0;
  letter-spacing: 0.3px;
}

.accordion-toggle {
  color: var(--color-cyan);
  font-size: 1.25rem;
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-toggle {
  transform: rotate(180deg);
}

.accordion-body {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  color: rgba(255, 255, 255, 0.85);
}

.accordion-item.active .accordion-body {
  padding: 1rem;
  max-height: 2000px;
}

.accordion-body p {
  margin: 0;
  line-height: 1.7;
}

/* Footer */
footer {
  background-color: var(--color-bg-mid);
  border-top: 1px solid rgba(77, 238, 234, 0.15);
  padding: 2rem 1rem;
  margin-top: 3rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.footer-section h4 {
  color: var(--color-cyan);
  margin-bottom: 1rem;
  font-size: 1.1rem;
  letter-spacing: 0.5px;
}

.footer-section p, .footer-section a {
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--color-cyan);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  border-right: 1px solid rgba(77, 238, 234, 0.2);
  padding-right: 1rem;
}

.footer-links a:last-child {
  border-right: none;
}

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

.footer-bottom {
  border-top: 1px solid rgba(77, 238, 234, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-bg-mid);
  border-top: 1px solid rgba(77, 238, 234, 0.2);
  padding: 1.5rem;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: none;
}

.cookie-banner.show {
  display: block;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-text {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  line-height: 1.5;
}

.cookie-text a {
  color: var(--color-cyan);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
}

.cookie-btn {
  padding: 0.5rem 1.5rem;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

.cookie-accept {
  background-color: var(--color-cyan);
  color: var(--color-bg-dark);
}

.cookie-accept:hover {
  background-color: var(--color-gold);
}

.cookie-reject {
  background-color: var(--color-bg-light);
  color: var(--color-text);
  border: 1px solid rgba(77, 238, 234, 0.3);
}

.cookie-reject:hover {
  background-color: rgba(77, 238, 234, 0.1);
}

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

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 20px;
  width: 40px;
  height: 40px;
  background-color: var(--color-cyan);
  color: var(--color-bg-dark);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  font-size: 1.2rem;
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(77, 238, 234, 0.3);
}

.back-to-top.show {
  display: flex;
}

.back-to-top:hover {
  background-color: var(--color-gold);
  transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero .subtitle {
    font-size: 1rem;
  }

  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg-mid);
    border-bottom: 1px solid rgba(77, 238, 234, 0.15);
  }

  nav ul.show {
    display: flex;
  }

  nav a {
    border-left: 3px solid rgba(77, 238, 234, 0.1);
    border-bottom: 1px solid rgba(77, 238, 234, 0.05);
  }

  .nav-toggle {
    display: block;
  }

  .panel {
    margin: 1.5rem 0.5rem;
    padding: 1.5rem;
  }

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-buttons {
    width: 100%;
    flex-direction: column;
  }

  .cookie-btn {
    width: 100%;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.5rem;
  }

  .footer-links a {
    border-right: none;
    padding-right: 0;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.p-1 { padding: 1rem; }
.p-2 { padding: 2rem; }

.highlight {
  color: var(--color-cyan);
  font-weight: 600;
}

.highlight-gold {
  color: var(--color-gold);
  font-weight: 600;
}