:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.85);
  --border-color: rgba(244, 114, 182, 0.2);
  --portal-green: #00ff88;
  --portal-glow: rgba(0, 255, 136, 0.4);
  --plumbus-pink: #f472b6;
  --plumbus-dark-pink: #ec4899;
  --plumbus-glow: rgba(244, 114, 182, 0.35);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(244, 114, 182, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(0, 255, 136, 0.08) 0%, transparent 40%);
}

a {
  color: var(--portal-green);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: #5effb1;
  text-shadow: 0 0 8px var(--portal-glow);
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.brand span.pink {
  color: var(--plumbus-pink);
  text-shadow: 0 0 12px var(--plumbus-glow);
}

.brand span.green {
  color: var(--portal-green);
  text-shadow: 0 0 12px var(--portal-glow);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

nav ul li a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
}

nav ul li a:hover, nav ul li a.active {
  color: var(--plumbus-pink);
  background: rgba(244, 114, 182, 0.1);
  text-shadow: 0 0 8px var(--plumbus-glow);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  flex: 1;
}

.hero {
  text-align: center;
  padding: 3rem 0 4rem;
}

.badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(244, 114, 182, 0.15);
  border: 1px solid var(--plumbus-pink);
  color: var(--plumbus-pink);
  box-shadow: 0 0 15px var(--plumbus-glow);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero h1 span.gradient {
  background: linear-gradient(135deg, var(--plumbus-pink), #fb7185, var(--portal-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto 2.5rem;
}

.btn-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--plumbus-pink), var(--plumbus-dark-pink));
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px var(--plumbus-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(244, 114, 182, 0.5);
  color: #fff;
}

.btn-secondary {
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  border-color: var(--portal-green);
  color: var(--portal-green);
  transform: translateY(-2px);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2rem;
  margin: 2.5rem 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--plumbus-pink);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(244, 114, 182, 0.15);
  border: 1px solid var(--plumbus-pink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
}

.card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.step-card {
  display: flex;
  gap: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}

.step-num {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--portal-green), #059669);
  color: #000;
  font-weight: 900;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--portal-glow);
}

.step-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--portal-green);
}

.step-content p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.spec-table th, .spec-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.spec-table th {
  background: rgba(244, 114, 182, 0.1);
  color: var(--plumbus-pink);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.spec-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.quote-box {
  background: rgba(17, 24, 39, 0.7);
  border-left: 4px solid var(--portal-green);
  padding: 1.5rem;
  border-radius: 0 12px 12px 0;
  margin: 2rem 0;
  font-style: italic;
  color: #d1d5db;
}

.quote-author {
  font-style: normal;
  font-weight: 700;
  color: var(--portal-green);
  margin-top: 0.75rem;
  display: block;
}

footer {
  background: #060911;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 3rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-col h4 {
  color: var(--text-main);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul li a {
  color: var(--text-muted);
}

.footer-col ul li a:hover {
  color: var(--plumbus-pink);
}

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .nav-container { flex-direction: column; gap: 1rem; }
  nav ul { flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .step-card { flex-direction: column; }
}
/* Language Switcher */
.lang-switch {
  display: inline-flex;
  align-items: center;
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2px;
  margin-left: 1rem;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.lang-btn.active {
  background: linear-gradient(135deg, var(--plumbus-pink), var(--plumbus-dark-pink));
  color: #fff;
  box-shadow: 0 0 10px var(--plumbus-glow);
}