/* ETH Munich - Ether-Munich Palette */
:root {
  /* Backgrounds */
  --bg-primary: #FDFBF7;
  --bg-secondary: #F0F4FF;
  
  /* Typography */
  --text-primary: #1B2A49;
  --text-secondary: #6C7A92;
  
  /* Accents */
  --accent-cyan: #00E0FF;
  --accent-blue: #0099D5;
  --accent-pink: #FF99E6;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-cyan);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(to bottom, rgba(253, 251, 247, 0.95), rgba(253, 251, 247, 0));
}

.header__logo-text {
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: color 0.2s ease;
}

.header__logo-text:hover {
  color: var(--accent-blue);
}

.logo {
  height: 56px;
  width: auto;
  border-radius: 8px;
}

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

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 6px;
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--accent-blue);
  background: rgba(0, 153, 213, 0.08);
}

.nav-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.nav-link--manifesto {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.nav-link--manifesto:hover {
  background: var(--accent-blue);
  color: white;
}

/* Hero Section */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__title-wrapper {
  position: absolute;
  top: var(--space-lg);
  left: 0;
  right: 0;
  text-align: center;
  padding: 0 var(--space-md);
}

.hero__title--on-image {
  color: var(--accent-cyan);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 10px rgba(0, 224, 255, 0.6));
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: #FFFFFF;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.scroll-indicator.hide {
  opacity: 0;
}

.scroll-indicator svg {
  width: 48px;
  height: 48px;
  fill: currentColor;
  filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.3));
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
  40% {transform: translateY(-10px);}
  60% {transform: translateY(-5px);}
}

.intro-section {
  padding: var(--space-md) var(--space-md) var(--space-lg);
  background: var(--bg-primary);
  display: flex;
  justify-content: center;
}

.intro-content {
  max-width: 900px;
  text-align: center;
}

.hero__title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.hero__cta {
  margin-top: var(--space-md);
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.875rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn--primary {
  background: var(--accent-blue);
  color: white;
}

.btn--primary:hover {
  background: var(--accent-cyan);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 153, 213, 0.3);
}

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

.btn--secondary:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Social Links Section */
.social-section {
  padding: var(--space-lg) var(--space-md);
  background: var(--bg-secondary);
}

.social-section__inner {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.social-section__title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.social-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-primary);
  border-radius: 12px;
  min-width: 160px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.social-card svg {
  width: 32px;
  height: 32px;
  fill: var(--text-primary);
  transition: fill 0.2s ease;
}

.social-card__label {
  font-weight: 500;
  color: var(--text-primary);
}

.social-card--primary {
  background: #0099D5 !important;
  color: #FFFFFF !important;
  border-color: #0099D5 !important;
}

.social-card--primary svg {
  fill: #FFFFFF !important;
}

.social-card--primary .social-card__label {
  color: #FFFFFF !important;
}

.social-card--primary:hover {
  background: #00E0FF !important;
  border-color: #00E0FF !important;
  color: var(--text-primary) !important;
}

.social-card--primary:hover svg {
  fill: var(--text-primary) !important;
}

.social-card--primary:hover .social-card__label {
  color: var(--text-primary) !important;
}

/* Footer */
.footer {
  padding: var(--space-md);
  text-align: center;
  background-color: var(--accent-blue);
  color: white;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Manifesto Page */
.page-header {
  padding-top: calc(80px + var(--space-lg));
  padding-bottom: var(--space-lg);
  padding-left: var(--space-md);
  padding-right: var(--space-md);
  background: var(--bg-secondary);
  text-align: center;
}

.page-header__content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.page-header__logo {
  height: 80px;
  width: auto;
  border-radius: 8px;
}

.page-header__title {
  font-size: 2.5rem;
  font-weight: 700;
  font-style: italic;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.manifesto {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}

.manifesto__section {
  margin-bottom: var(--space-lg);
}

.manifesto__heading {
  font-size: 1.5rem;
  font-weight: 700;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}

.manifesto__heading::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 1.2em;
  background: var(--accent-cyan);
  border-radius: 2px;
  flex-shrink: 0;
}

.manifesto__text {
  color: var(--text-primary);
  font-size: 1.1rem;
  line-height: 1.8;
}

.manifesto__subpoint {
  margin-top: var(--space-sm);
  padding-left: var(--space-md);
  border-left: 2px solid var(--accent-blue);
}

.manifesto__subpoint strong {
  color: var(--accent-blue);
}

.manifesto__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  color: var(--text-secondary);
}

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

.manifesto__back svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .header {
    padding: var(--space-sm);
  }
  
  .header__logo-text {
    font-size: 1.4rem;
  }
  
  .logo {
    height: 44px;
  }
  
  .nav {
    gap: var(--space-xs);
  }
  
  .nav-link {
    padding: var(--space-xs);
    font-size: 0;
  }
  
  .nav-link svg {
    width: 24px;
    height: 24px;
  }
  
  .nav-link--manifesto {
    font-size: 0.85rem;
    padding: var(--space-xs) var(--space-sm);
  }
  
  .hero {
    min-height: 100vh;
    min-height: 100svh;
  }
  
  .hero__image {
    object-position: center center;
  }
  
  .hero__overlay {
    padding: var(--space-lg) var(--space-sm) var(--space-md);
  }
  
  .hero__title {
    font-size: 2rem;
  }
  
  .hero__subtitle {
    font-size: 1rem;
  }
  
  .hero__cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .social-section {
    padding: var(--space-md) var(--space-sm);
  }
  
  .social-links {
    gap: var(--space-sm);
  }
  
  .social-card {
    min-width: 140px;
    padding: var(--space-sm);
  }
  
  .page-header {
    padding-top: calc(70px + var(--space-md));
  }
  
  .page-header__content {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .page-header__logo {
    height: 60px;
  }
  
  .page-header__title {
    font-size: 1.75rem;
  }
  
  .manifesto {
    padding: var(--space-md) var(--space-sm);
  }
  
  .manifesto__heading {
    font-size: 1.25rem;
  }
  
  .manifesto__text {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .social-links {
    flex-direction: column;
    align-items: stretch;
  }
  
  .social-card {
    flex-direction: row;
    justify-content: flex-start;
    min-width: 100%;
  }
}