/* CSS Reset and Custom Properties */
:root {
  /* Colors */
  --primary: #043247;
  --gradient-start: #021b2a;
  --gradient-middle: #043247;
  --gradient-end: #065270;
  --text-primary: #ffffff;
  --text-secondary: #e0e0e0;
  --accent: #40d2ac;
  --accent-hover: #36ba96;
  --diagonal-bg: rgba(4, 50, 71, 0.3);
  --error: #ef4444;
  --success: #40d2ac;
  
  /* Typography */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --container-padding: 2rem;
  --section-spacing: 4rem;
  
  /* Transitions */
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  background: var(--gradient-middle);
}

/* Language Selector */
.language-selector {
  position: absolute;
  top: 2rem;
  right: 2rem;
  z-index: 10;
}

.language-toggle {
  display: flex;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 25px;
  padding: 0.5rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-btn {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-radius: 15px;
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.lang-btn.active {
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(64, 210, 172, 0.3);
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: #ffffff;
  padding: 0.5rem 1rem;
  text-decoration: none;
  z-index: 100;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: 0;
}

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

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-middle) 40%, var(--gradient-end) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: var(--container-padding) 0;
  overflow: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  position: relative;
  z-index: 2;
}

/* Logo */
.logo-wrapper {
  text-align: center;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeInDown var(--transition-slow) forwards;
}

/* Hero Content */
.hero-content {
  text-align: center;
  margin-bottom: 2rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeInUp var(--transition-slow) 0.2s forwards;
  position: relative;
}

.hero-title::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
  border-radius: 2px;
  opacity: 0;
  animation: slideInUp var(--transition-slow) 0.8s forwards;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 300;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
  opacity: 0;
  animation: fadeInUp var(--transition-slow) 0.4s forwards;
}

.hero-launch {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  font-weight: 400;
  color: var(--text-primary);
  max-width: 600px;
  margin: 0 auto;
  opacity: 0;
  animation: fadeInUp var(--transition-slow) 0.6s forwards;
}

.hero-launch strong {
  color: var(--accent);
  font-weight: 600;
}


/* Info Grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-bottom: var(--section-spacing);
  opacity: 0;
  animation: fadeInUp var(--transition-slow) 0.6s forwards;
  padding-bottom: 4rem;
}

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

.info-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
  position: relative;
  padding-left: 1rem;
}

.info-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: var(--accent);
  border-radius: 2px;
}

.info-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.info-content address {
  font-style: normal;
}

.info-link {
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  transition: all var(--transition-base);
  position: relative;
  padding-bottom: 2px;
}

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

.info-link:hover {
  color: var(--accent);
}

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

.info-text {
  display: block;
  margin-top: 0.5rem;
}

/* Social Links */
.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
}

/* Single social link styling */
.social-links .social-link:only-child {
  margin: 0 auto;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--accent);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(64, 210, 172, 0.4);
}

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

/* Diagonal Shape */
.diagonal-shape {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 150px;
  background: var(--diagonal-bg);
  clip-path: polygon(0 50%, 100% 0, 100% 100%, 0 100%);
  z-index: 1;
  pointer-events: none;
}

/* Footer */
.footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  text-align: center;
  z-index: 2;
}

.copyright {
  font-size: 0.875rem;
  color: var(--text-secondary);
  opacity: 0.8;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --container-padding: 1.5rem;
    --section-spacing: 3rem;
  }
  
  .hero-title {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  
  .info-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: left;
    padding-bottom: 6rem;
  }
  
  .info-block {
    text-align: left;
  }
  
  .info-block:last-child {
    margin-bottom: 2rem;
  }
  
  .info-title {
    padding-left: 1.5rem;
  }
  
  .info-title::before {
    width: 5px;
    height: 28px;
  }
  
  .social-links {
    justify-content: flex-start;
    margin-bottom: 1rem;
  }
  
  .diagonal-shape {
    height: 100px;
  }
  
  .language-selector {
    top: 1rem;
    right: 1rem;
  }
  
  .language-toggle {
    padding: 0.25rem;
  }
  
  .lang-btn {
    padding: 0.375rem 0.625rem;
    font-size: 0.8125rem;
  }
}

@media (max-width: 480px) {
  body {
    height: 100vh;
    height: -webkit-fill-available;
    margin: 0;
    padding: 0;
  }
  
  .hero-section {
    min-height: 100vh;
    min-height: -webkit-fill-available;
    height: auto;
    min-height: -webkit-fill-available;
    overflow-y: auto;
    overflow-x: hidden;
    justify-content: space-between;
    padding: 2rem 0 0 0;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .diagonal-shape {
    display: none;
  }
  
  .info-grid {
    padding-bottom: 8rem;
  }
  
  .footer {
    background: rgba(4, 50, 71, 0.3);
    padding: 1.5rem;
    margin-top: 2rem;
  }
}

/* Print Styles */
@media print {
  .hero-section {
    background: white;
    color: black;
  }
  
  .skip-link,
  .subscribe-form,
  .social-links,
  .diagonal-shape {
    display: none;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}