/* Alken Developer - Moderno & Atrevido */

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

html {
  width: 100%;
  overflow-x: hidden;
}

:root {
  --color-bg: #0a0e27;
  --color-bg-secondary: #111840;
  --color-text: #ffffff;
  --color-text-light: #b0b5c1;
  --color-border: #1e2a4a;
  --color-primary: #62D49F;
  --color-primary-alt: #168A53;
  --color-accent: #62D49F;
  --color-success: #00ff88;
  --color-warning: #ffa500;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
}

body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  position: relative;
  overflow-x: hidden;
}

/* Animated background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, rgba(98, 212, 159, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(22, 138, 83, 0.1) 0%, transparent 50%);
  z-index: -1;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

header {
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  position: sticky;
  top: 0;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
}

@keyframes headerGlow {
  from {
    box-shadow: 0 0 0 rgba(98, 212, 159, 0);
  }
  to {
    box-shadow: 0 0 20px rgba(98, 212, 159, 0.1);
  }
}

.header-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.logo-link {
  display: inline-block;
  text-decoration: none;
  transition: transform 0.3s ease, filter 0.3s ease;
  flex-shrink: 0;
}

.logo-link:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 8px var(--color-primary));
}

.logo {
  height: 80px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-light);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--color-primary);
}

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

.language-switcher {
  display: inline-flex;
  gap: var(--spacing-sm);
  background: rgba(17, 24, 64, 0.45);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.3rem 0.5rem;
  backdrop-filter: blur(4px);
}

.language-switcher-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text-light);
  letter-spacing: 0.7px;
  align-self: center;
}

.language-switcher a {
  color: var(--color-text-light);
  font-size: 0.8rem;
  text-decoration: none;
  padding: 0.2rem 0.8rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.language-switcher a:hover,
.language-switcher a.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-bg);
}

.language-switcher a.active {
  border-color: rgba(255, 255, 255, 0.25);
}

/* Mobile menu toggle button */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  position: relative;
  z-index: 101;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-xl);
  background: rgba(17, 24, 64, 0.5);
  backdrop-filter: blur(5px);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  font-size: 0.95rem;
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  position: relative;
}

.footer-links a::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

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

.footer-links a:hover::before {
  width: 4px;
}

.footer-section.language .footer-links {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.footer-section.language .footer-links li {
  margin-bottom: 0;
}

.footer-section.language .footer-links a {
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.85rem;
  position: relative;
  overflow: hidden;
}

.footer-section.language .footer-links a::before {
  display: none;
}

.footer-section.language .footer-links a.active,
.footer-section.language .footer-links a:hover {
  color: var(--color-bg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-color: transparent;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-md);
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* Main Content */
main {
  min-height: calc(100vh - 200px);
}

.hero {
  padding: var(--spacing-xl) 0;
  text-align: center;
  position: relative;
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(98, 212, 159, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
  z-index: -1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(22, 138, 83, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite reverse;
  z-index: -1;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(30px); }
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-alt) 50%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.hero p {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: slideInUp 1s ease-out 0.2s both;
}

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

.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-alt));
  color: var(--color-bg);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
  animation: slideInUp 1s ease-out 0.4s both;
}

.cta-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(98, 212, 159, 0.3);
}

.cta-button:hover::before {
  left: 100%;
}

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

.cta-button-secondary:hover {
  background: rgba(98, 212, 159, 0.1);
  box-shadow: 0 0 20px rgba(98, 212, 159, 0.3);
}

/* Sections */
.section {
  padding: var(--spacing-xl) 0;
  position: relative;
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  padding-bottom: var(--spacing-md);
}

.section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
}

.section p {
  color: var(--color-text-light);
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 800px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.feature-card {
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(17, 24, 64, 0.8), rgba(30, 42, 74, 0.6));
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(98, 212, 159, 0.1), rgba(22, 138, 83, 0.1));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.feature-card > * {
  position: relative;
  z-index: 1;
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 30px rgba(98, 212, 159, 0.2), 0 0 60px rgba(22, 138, 83, 0.1);
  transform: translateY(-8px);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
  color: var(--color-text);
}

.feature-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

.feature-card .cta-button {
  margin-top: var(--spacing-md);
  font-size: 0.85rem;
  padding: calc(var(--spacing-xs) * 1.5) var(--spacing-md);
}

.feature-list {
  list-style: none;
  display: grid;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  padding-left: 0;
}

.feature-list li {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(17, 24, 64, 0.7), rgba(30, 42, 74, 0.5));
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}

.feature-list li::before {
  content: '•';
  margin-right: var(--spacing-sm);
  color: var(--color-primary);
  font-size: 1.2rem;
}

.link-inline {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  transition: color 0.3s ease;
}

.link-inline::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0.6;
  transition: opacity 0.3s ease, transform 0.3s ease;
  transform: scaleX(0);
  transform-origin: left;
}

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

.link-inline:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

/* Legal Pages */
.legal-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) 0;
  animation: fadeInUp 0.8s ease-out;
}

.legal-content h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  color: var(--color-primary);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--spacing-md);
  transition: all 0.3s ease;
}

.legal-content h2:hover {
  border-left-color: var(--color-primary);
  padding-left: var(--spacing-lg);
}

.legal-content h3 {
  font-size: 1.1rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-text);
}

.legal-content p,
.legal-content li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
  line-height: 1.8;
}

.legal-content ul,
.legal-content ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.legal-content ul li {
  margin-bottom: var(--spacing-xs);
}

.legal-content ol li {
  margin-bottom: var(--spacing-xs);
}

/* Blog Content Images */
main img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(98, 212, 159, 0.15);
  display: block;
  margin: 0.5rem auto 1rem;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  object-fit: cover;
  object-position: center;
  aspect-ratio: 16 / 6;
}

main img:hover {
  box-shadow: 0 12px 32px rgba(98, 212, 159, 0.25);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  main img {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 480px) {
  main img {
    aspect-ratio: 4 / 3;
  }
}

.last-updated {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-lg);
  font-style: italic;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, rgba(98, 212, 159, 0.1), rgba(22, 138, 83, 0.1));
  border-left: 3px solid var(--color-primary);
  border-radius: 4px;
}

/* Responsive */
@media (max-width: 768px) {
  header {
    position: relative;
    padding: var(--spacing-md) 0;
    z-index: 100;
  }

  .logo {
    height: 40px;
    width: auto;
    max-width: 100px;
  }

  .nav-links {
    gap: var(--spacing-md);
  }

  .header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: var(--spacing-sm);
  }

  .menu-toggle {
    display: flex;
    flex-shrink: 0;
  }

  .nav-actions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-md);
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease, visibility 0s 0.3s;
    z-index: 99;
  }

  .nav-actions.mobile-menu-open {
    max-height: 500px;
    opacity: 1;
    visibility: visible;
    transition: max-height 0.3s ease, opacity 0.3s ease, visibility 0s;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }

  .nav-links a {
    padding: var(--spacing-xs) 0;
  }

  .language-switcher {
    align-self: flex-start;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .hero::before {
    display: none;
  }

  .hero::after {
    display: none;
  }

  .section h2 {
    font-size: 2rem;
  }

  .section h1 {
    font-size: 2.2rem;
  }

  .section h2::after {
    width: 60px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .legal-content h1 {
    font-size: 1.8rem;
  }

  .legal-content h2 {
    font-size: 1.2rem;
  }
}

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

  header {
    padding: var(--spacing-md) 0;
  }

  .logo {
    height: 36px;
    width: auto;
    max-width: 90px;
  }

  .nav-links {
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    font-size: 0.85rem;
  }

  .language-switcher {
    width: 100%;
    justify-content: center;
  }

  .hero {
    padding: var(--spacing-lg) 0;
    min-height: auto;
  }

  .hero h1 {
    font-size: 1.8rem;
    letter-spacing: -0.5px;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .hero::before {
    display: none;
  }

  .hero::after {
    display: none;
  }

  .cta-button {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.9rem;
  }

  .section h2 {
    font-size: 1.5rem;
  }

  .section h1 {
    font-size: 1.7rem;
  }

  .section h2::after {
    width: 50px;
  }

  .features {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .feature-card {
    padding: var(--spacing-md);
  }

  .legal-content {
    padding: var(--spacing-lg) 0;
  }

  .legal-content h1 {
    font-size: 1.5rem;
  }

  .legal-content h2 {
    font-size: 1.1rem;
  }

  .legal-content h3 {
    font-size: 1rem;
  }
}