:root {
  --bg: #03050d;
  --bg-2: #070b18;
  --panel: rgba(10, 16, 30, 0.74);
  --panel-2: rgba(7, 12, 24, 0.92);
  --panel-soft: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f5f7fd;
  --muted: rgba(245, 247, 253, 0.74);
  --muted-soft: rgba(245, 247, 253, 0.54);
  --accent: rgba(150, 165, 255, 0.38);
  --accent-2: rgba(111, 82, 255, 0.34);
  --shadow-hero: 0 55px 150px rgba(0, 0, 0, 0.58);
  --shadow-card: 0 24px 70px rgba(0, 0, 0, 0.42);
  --radius-2xl: 42px;
  --radius-xl: 30px;
  --radius-lg: 24px;
  --max-width: 1180px;
  --transition: 220ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 18% 8%, rgba(115, 135, 255, 0.14), transparent 0 24%),
    radial-gradient(circle at 86% 14%, rgba(111, 82, 255, 0.12), transparent 0 18%),
    radial-gradient(circle at 50% 120%, rgba(96, 118, 255, 0.08), transparent 0 28%),
    linear-gradient(180deg, #060914 0%, #03050d 56%, #020309 100%);
}

a,
button {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-shell {
  position: relative;
  min-height: 100vh;
  overflow: clip;
  isolation: isolate;
}

.grid-overlay,
.noise-overlay,
.vignette,
.bg-orb,
.aurora {
  position: absolute;
  pointer-events: none;
}

.grid-overlay {
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 92%);
}

.noise-overlay {
  inset: 0;
  opacity: 0.055;
  background-image: radial-gradient(rgba(255, 255, 255, 0.75) 0.45px, transparent 0.7px);
  background-size: 8px 8px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.65), transparent 96%);
}

.vignette {
  inset: 0;
  background: radial-gradient(circle at center, transparent 44%, rgba(0, 0, 0, 0.3) 100%);
}

.bg-orb {
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.9;
}

.bg-orb-one {
  width: 520px;
  height: 520px;
  left: -140px;
  top: -150px;
  background: rgba(91, 120, 255, 0.16);
}

.bg-orb-two {
  width: 480px;
  height: 480px;
  right: -100px;
  top: 110px;
  background: rgba(103, 70, 255, 0.12);
}

.aurora {
  filter: blur(60px);
  opacity: 0.5;
  transform: rotate(-12deg);
}

.aurora-one {
  width: 360px;
  height: 160px;
  top: 80px;
  left: 12%;
  background: linear-gradient(90deg, rgba(135, 155, 255, 0), rgba(135, 155, 255, 0.28), rgba(135, 155, 255, 0));
}

.aurora-two {
  width: 320px;
  height: 150px;
  top: 160px;
  right: 10%;
  background: linear-gradient(90deg, rgba(126, 90, 255, 0), rgba(126, 90, 255, 0.22), rgba(126, 90, 255, 0));
}

.aurora-three {
  width: 440px;
  height: 170px;
  top: 56%;
  left: 34%;
  background: linear-gradient(90deg, rgba(125, 148, 255, 0), rgba(125, 148, 255, 0.14), rgba(125, 148, 255, 0));
}

.site-header,
.section {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 0 0;
}

.brand {
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: lowercase;
  color: rgba(245, 247, 253, 0.94);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.48rem 0.72rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.055) 0%, rgba(255,255,255,0.02) 100%),
    rgba(255,255,255,0.025);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.04),
    0 10px 30px rgba(0,0,0,0.2);
  backdrop-filter: blur(18px);
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted-soft);
  padding: 0.14rem 0.2rem;
  cursor: pointer;
  transition: color var(--transition);
}

.lang-btn:hover,
.lang-btn:focus-visible,
.lang-btn.is-active {
  color: var(--text);
  outline: none;
}

.lang-divider {
  color: rgba(255,255,255,0.18);
}

.section {
  padding: 2rem 0;
}

.hero {
  min-height: calc(100vh - 84px);
  display: grid;
  place-items: center;
  padding-top: 3.8rem;
  padding-bottom: 3.2rem;
}

.hero-frame {
  width: min(100%, 1040px);
  padding: 1px;
  border-radius: var(--radius-2xl);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.03) 28%, rgba(137,152,255,0.12) 55%, rgba(255,255,255,0.02) 100%);
  box-shadow: var(--shadow-hero);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius-2xl) - 1px);
  padding: clamp(2rem, 4vw, 3.8rem);
  background:
    radial-gradient(circle at top center, rgba(255,255,255,0.1), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.015) 100%),
    linear-gradient(180deg, rgba(8, 12, 24, 0.88), rgba(5, 9, 19, 0.92));
  backdrop-filter: blur(24px);
  text-align: center;
}

.hero-shine {
  position: absolute;
  inset: -10% 8% auto;
  height: 160px;
  background: radial-gradient(circle at center, rgba(255,255,255,0.16), transparent 62%);
  filter: blur(24px);
  opacity: 0.75;
}

.eyebrow,
.hero-title,
.hero-subtitle,
.hero-copy,
.hero-actions {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--muted-soft);
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  font-size: clamp(4.8rem, 14vw, 10.2rem);
  line-height: 0.9;
  letter-spacing: -0.085em;
  font-weight: 900;
  text-wrap: balance;
  text-shadow: 0 8px 30px rgba(255,255,255,0.05);
}

.hero-subtitle {
  margin: 1rem 0 0;
  font-size: clamp(1.45rem, 2.7vw, 2.25rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  font-weight: 700;
}

.hero-copy {
  margin: 1.2rem auto 0;
  max-width: 700px;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.78;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 0.95rem;
  flex-wrap: wrap;
  margin-top: 2.1rem;
}

.btn {
  min-width: 182px;
  padding: 1rem 1.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    background-color var(--transition);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.btn-primary {
  color: #07101f;
  background:
    linear-gradient(180deg, #ffffff 0%, #dde5f8 100%);
  box-shadow:
    0 16px 42px rgba(226, 234, 248, 0.14),
    inset 0 1px 0 rgba(255,255,255,0.82);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow:
    0 18px 48px rgba(226, 234, 248, 0.18),
    inset 0 1px 0 rgba(255,255,255,0.9);
}

.btn-secondary {
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.055) 0%, rgba(255,255,255,0.018) 100%),
    rgba(255,255,255,0.03);
  border-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.35rem;
  padding-top: 0.9rem;
  padding-bottom: 4.6rem;
}

.card {
  display: block;
  text-decoration: none;
  text-align: center;
  color: inherit;
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.018) 100%),
    linear-gradient(180deg, rgba(10, 15, 29, 0.8), rgba(7, 11, 22, 0.94));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(16px);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(255,255,255,0.08), transparent 28%);
  opacity: 0.85;
  pointer-events: none;
}

.card::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% 20%;
  height: 120px;
  background: radial-gradient(circle, rgba(121, 138, 255, 0.1), transparent 70%);
  filter: blur(18px);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover,
.card:focus-within {
  transform: translateY(-7px);
  border-color: var(--border-strong);
  box-shadow: 0 28px 78px rgba(0, 0, 0, 0.48);
}

.card:hover::after,
.card:focus-within::after,
.card.is-featured::after {
  opacity: 1;
}

.card.is-featured {
  border-color: rgba(150, 165, 255, 0.2);
}

.card-topline {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 1px;
  margin-bottom: 1.1rem;
  background: linear-gradient(90deg, rgba(255,255,255,0.2), rgba(255,255,255,0.03));
}

.card-icon {
  text-align: center;
  position: relative;
  z-index: 1;
  display: block;
  margin: 0 0 1.35rem;
  color: rgba(245, 247, 253, 0.88);
  font-size: 2.1rem;
  line-height: 1;
  font-weight: 600;
  letter-spacing: 0;
}

.card h3,
.card p {
  position: relative;
  z-index: 1;
}

.card h3 {
  margin: 0 0 0.8rem;
  font-size: 1.34rem;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.site-footer {
  padding-top: 0;
  padding-bottom: 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: lowercase;
  color: rgba(245, 247, 253, 0.92);
}

.footer-copy p:last-child {
  margin: 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 1rem 1.25rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted);
  transition: color var(--transition), transform var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--text);
  transform: translateY(-1px);
  outline: none;
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .aurora-three {
    left: 8%;
    top: 62%;
  }
}

@media (max-width: 640px) {
  .site-header,
  .section {
    width: min(calc(100% - 1.25rem), var(--max-width));
  }

  .site-header {
    padding-top: 1rem;
  }

  .hero {
    padding-top: 3rem;
    padding-bottom: 2rem;
  }

  .hero-frame {
    border-radius: 28px;
  }

  .hero-panel {
    border-radius: 27px;
    padding: 1.5rem 1rem 1.2rem;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
  }

  .btn {
    width: 100%;
    min-width: 0;
    text-align: center;
  }

  .card {
    padding: 1.2rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.7rem;
  }

  .aurora-one,
  .aurora-two,
  .aurora-three {
    opacity: 0.35;
  }
}