:root {
  --bg: #0a0e1a;
  --bg-alt: #0d1220;
  --text: #eef1fa;
  --text-dim: #a6adc4;
  --text-dimmer: #6b7288;
  --accent1: #7c5cff;
  --accent2: #22d3ee;
  --accent3: #ff5cad;
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.12);
  --radius: 18px;
  --max-width: 1160px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* Background decor */
.bg-decor {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
}

.blob-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle at 30% 30%, var(--accent1), transparent 70%);
  top: -120px; left: -100px;
  animation: float1 22s ease-in-out infinite;
}

.blob-2 {
  width: 480px; height: 480px;
  background: radial-gradient(circle at 60% 40%, var(--accent2), transparent 70%);
  top: 30%; right: -160px;
  animation: float2 26s ease-in-out infinite;
}

.blob-3 {
  width: 420px; height: 420px;
  background: radial-gradient(circle at 40% 60%, var(--accent3), transparent 70%);
  bottom: -140px; left: 20%;
  animation: float3 30s ease-in-out infinite;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
}

@keyframes float1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, 40px) scale(1.1); }
}
@keyframes float2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-50px, 30px) scale(1.05); }
}
@keyframes float3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -40px) scale(1.08); }
}

/* Glass */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--radius);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.65);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  overflow: hidden;
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.logo-text strong {
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-left: 2px;
}

.main-nav {
  display: flex;
  gap: 28px;
}

.main-nav a {
  font-size: 0.95rem;
  color: var(--text-dim);
  transition: color 0.2s ease;
}
.main-nav a:hover { color: var(--text); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.8rem;
  color: var(--text-dimmer);
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.lang-toggle .lang-opt { transition: color 0.2s ease; }
.lang-toggle .lang-opt.active { color: var(--text); }
.lang-toggle .lang-sep { opacity: 0.4; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  color: #050710;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(124, 92, 255, 0.5); }

.btn-ghost {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }

.btn-small { padding: 9px 18px; font-size: 0.85rem; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* Hero */
.hero {
  padding: 110px 0 90px;
  text-align: center;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 880px;
  background: linear-gradient(120deg, #ffffff 30%, var(--accent2) 65%, var(--accent1) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 24px;
}

.hero-sub {
  max-width: 640px;
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  justify-content: center;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-dimmer);
}

/* Sections */
.section {
  padding: 100px 0;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(124, 92, 255, 0.05), transparent);
}

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 56px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 14px;
}

.section-head h2, .about-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.section-head p {
  color: var(--text-dim);
  font-size: 1.05rem;
}

/* Cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  padding: 32px 26px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 92, 255, 0.4);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}

.card-icon {
  margin-bottom: 18px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,92,255,0.25), rgba(34,211,238,0.25));
  color: var(--accent2);
}

.card-icon svg {
  width: 26px;
  height: 26px;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.about-text p {
  color: var(--text-dim);
  margin-bottom: 16px;
}

.check-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--text-dim);
  font-size: 0.98rem;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  color: #050710;
  font-size: 0.7rem;
  font-weight: 900;
}

.about-visual {
  position: relative;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-core {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #1a2140, #05070f);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: #050710;
  box-shadow: 0 0 50px rgba(124, 92, 255, 0.5);
  overflow: hidden;
}

.orbit-core-img {
  width: 58%;
  height: 58%;
  object-fit: contain;
}

.orbit-item {
  position: absolute;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent2);
  animation: orbit 16s linear infinite;
}

.orbit-item svg {
  width: 24px;
  height: 24px;
}

.o1 { top: 12%; left: 18%; animation-duration: 14s; }
.o2 { top: 18%; right: 14%; animation-duration: 18s; animation-direction: reverse; }
.o3 { bottom: 16%; left: 14%; animation-duration: 20s; animation-direction: reverse; }
.o4 { bottom: 12%; right: 18%; animation-duration: 16s; }

@keyframes orbit {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-16px); }
  100% { transform: translateY(0px); }
}

/* Contact */
.contact-single {
  max-width: 460px;
  margin: 0 auto;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
}

.contact-icon-lg {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(124,92,255,0.25), rgba(34,211,238,0.25));
  color: var(--accent2);
  margin-bottom: 8px;
}

.contact-icon-lg svg {
  width: 28px;
  height: 28px;
}

.contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dimmer);
}

.contact-email {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.contact-note {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin: 4px 0 14px;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-dimmer);
}

.footer-tag {
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  opacity: 0.7;
}

/* Responsive */
@media (max-width: 860px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-visual { height: 260px; order: -1; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.97);
    backdrop-filter: blur(14px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: none;
  }
  .main-nav.open { display: flex; }
  .menu-toggle { display: flex; }
  .header-actions .btn-small { display: none; }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .lang-toggle { display: none; }
}