:root {
  --bg: #020514;
  --surface: rgba(10, 16, 35, 0.96);
  --surface-strong: rgba(3, 7, 19, 0.98);
  --text: #eef5ff;
  --text-muted: #8ba5ca;
  --accent: #5cf0ff;
  --accent-strong: #8d4cff;
  --navy: #0f1f56;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 30px 90px rgba(20, 40, 90, 0.35);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 15% 12%, rgba(92, 240, 255, 0.18), transparent 18%),
    radial-gradient(circle at 88% 6%, rgba(140, 77, 255, 0.16), transparent 18%),
    linear-gradient(180deg, #020414 0%, #050914 100%);
  color: var(--text);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.page-shell {
  width: min(1180px, 100% - 32px);
  margin: 0 auto;
  padding: 22px 0 44px;
}
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.brand-name {
  color: var(--navy);
  line-height: 1;
}
.header-tagline {
  color: #ffffff;
  font-size: 0.94rem;
  line-height: 1.5;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.22);
  animation: tagline-flicker 4.8s ease-in-out infinite;
}
.brand-accent {
  color: var(--navy);
  font-weight: 800;
}
.brand-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 14px;
  padding: 8px;
  background: rgba(92, 240, 255, 0.12);
}
.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: none;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  cursor: pointer;
  transition: background 0.25s ease;
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 6px auto;
  border-radius: 999px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.96rem;
  transition: color 0.25s ease;
}
.main-nav a:hover {
  color: var(--accent);
}
.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 999px;
  color: var(--text-muted);
  font-weight: 700;
  white-space: nowrap;
}
.language-select {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(3, 7, 19, 0.5);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  outline: none;
}
.language-select:hover,
.language-select:focus {
  transform: translateY(-1px);
  border-color: rgba(92, 240, 255, 0.35);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 26px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #031228;
  box-shadow: 0 18px 44px rgba(92, 240, 255, 0.22);
}
.btn-secondary,
.btn-outline {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 1fr);
  align-items: center;
  gap: 32px;
  margin-top: 30px;
  padding: 36px 30px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 32px;
  box-shadow: var(--shadow);
}
.hero-copy {
  max-width: 650px;
}
.eyebrow {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.82rem;
}
.hero-copy h1 {
  margin: 0;
  font-size: clamp(3rem, 4vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}
.hero-copy h1 span {
  display: block;
  color: #a37dff;
}
.hero-copy p {
  margin: 24px 0 0;
  max-width: 560px;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}
.hero-stats div {
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}
.hero-stats strong {
  display: block;
  font-size: 1.55rem;
  margin-bottom: 8px;
}
.hero-stats span {
  color: var(--text-muted);
  font-size: 0.95rem;
}
.hero-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
  border-radius: 34px;
  overflow: hidden;
  background: radial-gradient(circle at center, rgba(10, 20, 35, 0.48), rgba(2, 8, 22, 0.18));
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 38%, rgba(92, 240, 255, 0.08) 40%, rgba(92, 240, 255, 0.03) 42%, transparent 46%);
  pointer-events: none;
}
.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.12;
  pointer-events: none;
}
.glow-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 320px;
  height: 320px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(92, 240, 255, 0.14) 1px, transparent 24%),
    repeating-conic-gradient(rgba(255,255,255,0.18) 0 2deg, transparent 2deg 6deg, rgba(92,240,255,0.12) 6deg 7deg);
  opacity: 0.7;
  filter: blur(0.4px);
  animation: orbit-spin 14s linear infinite;
  pointer-events: none;
}
.hero-logo-wrap {
  position: relative;
  width: min(340px, 78%);
  max-width: 380px;
  filter: drop-shadow(0 0 48px rgba(92, 240, 255, 0.35)) drop-shadow(0 0 24px rgba(141, 77, 255, 0.25));
  perspective: 1200px;
}
.hero-logo {
  width: 100%;
  display: block;
  transform-origin: center center;
  animation: spin-3d 18s linear infinite;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  -webkit-mask-image: radial-gradient(circle at center, rgba(0,0,0,1) 40%, rgba(0,0,0,0.9) 45%, rgba(0,0,0,0.7) 50%, transparent 52%);
  mask-image: radial-gradient(circle at center, rgba(0,0,0,1) 40%, rgba(0,0,0,0.9) 45%, rgba(0,0,0,0.7) 50%, transparent 52%);
  filter: contrast(1.15) brightness(1.1) saturate(1.1);
  border-radius: 50%;
}
.hero-badge {
  position: absolute;
  bottom: 50%;
  left: 50%;
  transform: translate(-50%, 50%);
  z-index: 1;
  color: #000000;
  background: transparent;
  border: none;
  box-shadow: none;
  font-size: 5.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-shadow: none;
  font-family: Georgia, serif;
  text-align: center;
  white-space: nowrap;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}
@keyframes spin-3d {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  50% { transform: rotateX(15deg) rotateY(180deg); }
  100% { transform: rotateX(0deg) rotateY(-360deg); }
}
@keyframes orbit-spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(-360deg); }
}
@keyframes tagline-flicker {
  0%, 100% {
    opacity: 1;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.22);
  }
  45% {
    opacity: 0.55;
    text-shadow: 0 0 6px rgba(255, 255, 255, 0.1);
  }
  70% {
    opacity: 0.82;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.16);
  }
}
.features-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin: 48px 0 28px;
}
.feature-card {
  padding: 26px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}
.feature-card h3 {
  margin: 0 0 14px;
  font-size: 1.08rem;
}
.feature-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.8;
}
.plans-panel {
  margin: 48px 0 24px;
}
.panel-heading span {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}
.panel-heading p {
  margin: 10px 0 0;
  color: var(--text-muted);
  max-width: 680px;
}
.plans-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  margin-top: 28px;
}
.plan-card {
  padding: 30px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.09);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.plan-card:hover {
  transform: translateY(-6px);
  border-color: rgba(92, 240, 255, 0.24);
}
.plan-name {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 18px;
}
.plan-price {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin-bottom: 24px;
}
.plan-price span {
  font-size: 2.7rem;
  font-weight: 800;
}
.plan-price small {
  color: var(--text-muted);
}
.plan-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}
.plan-card li {
  color: var(--text-muted);
  line-height: 1.8;
}
.plan-card .btn {
  width: 100%;
}
.plan-glow {
  background: linear-gradient(180deg, rgba(92, 240, 255, 0.14), rgba(79, 45, 164, 0.18));
  border-color: rgba(92, 240, 255, 0.18);
}
.plan-pulse {
  background: linear-gradient(180deg, rgba(141, 77, 255, 0.14), rgba(18, 27, 58, 0.92));
}
.plan-zenith {
  background: linear-gradient(180deg, rgba(82, 114, 255, 0.16), rgba(9, 16, 40, 0.92));
}
.clients-panel {
  margin-top: 44px;
  padding: 28px 26px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.section-label {
  display: block;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.78rem;
  margin-bottom: 18px;
}
.clients-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  align-items: center;
}
.clients-grid span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-weight: 600;
}
.site-footer {
  margin-top: 46px;
  padding: 34px 34px;
  border-radius: 28px;
  background: rgba(4, 8, 25, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-footer h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}
.site-footer p {
  margin: 12px 0 0;
  color: var(--text-muted);
  max-width: 620px;
}
body.mobile-nav-open .main-nav {
  display: grid;
  position: absolute;
  inset: 86px 22px auto 22px;
  width: calc(100% - 44px);
  background: rgba(2, 6, 22, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  padding: 18px 20px;
  gap: 16px;
  z-index: 20;
}
body.mobile-nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
body.mobile-nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}
body.mobile-nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
@media (max-width: 980px) {
  .hero-panel {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .plans-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .features-panel {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 760px) {
  .page-shell {
    width: 100%;
    padding: 18px 0 34px;
  }
  .site-header {
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .language-switcher {
    order: 4;
    width: 100%;
    justify-content: space-between;
  }
  .main-nav {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .hero-panel {
    padding: 26px;
  }
  .hero-stats {
    grid-template-columns: 1fr;
  }
  .plans-grid {
    grid-template-columns: 1fr;
  }
  .clients-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }
}
@media (max-width: 520px) {
  .brand {
    gap: 8px;
    font-size: 0.95rem;
  }
  .brand-text {
    gap: 2px;
  }
  .header-tagline {
    font-size: 0.82rem;
  }
  .brand-logo {
    width: 40px;
    height: 40px;
  }
  .language-switcher {
    width: 100%;
  }
  .language-select {
    flex: 1;
  }
  .hero-copy h1 {
    font-size: clamp(2.4rem, 10vw, 3.4rem);
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-visual {
    min-height: 420px;
  }
}