:root {
  color-scheme: dark;
  --bg: #030709;
  --surface: rgba(7, 17, 21, 0.82);
  --surface-strong: rgba(10, 25, 30, 0.9);
  --border: rgba(139, 247, 235, 0.14);
  --border-strong: rgba(139, 247, 235, 0.24);
  --text: #eef8f7;
  --muted: #a6babd;
  --subtle: #70878c;
  --accent: #2fe6d0;
  --accent-strong: #84fff0;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

::selection {
  color: #031314;
  background: rgba(132, 255, 240, 0.82);
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  position: relative;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 12%, rgba(47, 230, 208, 0.11), transparent 30rem),
    radial-gradient(circle at 10% 78%, rgba(26, 108, 122, 0.13), transparent 24rem),
    linear-gradient(140deg, #020506 0%, #071114 48%, #020405 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 0;
  content: "";
  pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px);
  background-size: 34px 34px, 46px 46px;
  opacity: 0.18;
  mix-blend-mode: soft-light;
}

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

a:focus-visible,
.button:focus-visible {
  outline: 2px solid rgba(132, 255, 240, 0.78);
  outline-offset: 3px;
}

img {
  display: block;
  max-width: 100%;
}

h1,
h2,
p {
  margin-top: 0;
}

.site-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 28px;
  animation: page-in 420ms ease-out both;
}

@keyframes page-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand img {
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  box-shadow: 0 0 22px rgba(47, 230, 208, 0.1);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.nav-links a,
.nav-links span {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  padding: 7px 11px;
  border: 1px solid rgba(166, 186, 189, 0.12);
  border-radius: 8px;
  background: rgba(6, 15, 18, 0.46);
}

.nav-links a {
  transition:
    border-color 160ms ease,
    color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--accent-strong);
  border-color: rgba(132, 255, 240, 0.36);
  background: rgba(47, 230, 208, 0.075);
  box-shadow: 0 0 18px rgba(47, 230, 208, 0.055);
  transform: translateY(-1px);
}

.nav-links span {
  color: var(--subtle);
  cursor: not-allowed;
}

.hero,
.trust-strip,
.features article,
.why {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  min-height: 500px;
  overflow: hidden;
  padding: clamp(28px, 4vw, 54px);
  border-radius: 18px;
  background:
    radial-gradient(circle at 76% 46%, rgba(47, 230, 208, 0.1), transparent 23rem),
    radial-gradient(circle at 90% 20%, rgba(132, 255, 240, 0.045), transparent 18rem),
    linear-gradient(145deg, rgba(9, 24, 29, 0.94), rgba(4, 10, 12, 0.96));
}

.hero::before,
.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
}

.hero::before {
  background:
    linear-gradient(rgba(132, 255, 240, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(132, 255, 240, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 78% 48%, #000 0%, rgba(0, 0, 0, 0.62) 34%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 78% 48%, #000 0%, rgba(0, 0, 0, 0.62) 34%, transparent 72%);
}

.hero::after {
  background: radial-gradient(circle at 78% 48%, rgba(47, 230, 208, 0.07), transparent 21rem);
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(4.2rem, 10vw, 8rem);
  line-height: 0.9;
  letter-spacing: 0;
  font-weight: 800;
}

.hero-subtitle {
  max-width: 560px;
  margin-bottom: 24px;
  color: #dcebea;
  font-size: clamp(1.24rem, 2.1vw, 1.7rem);
  line-height: 1.42;
}

.tagline {
  margin-bottom: 28px;
  color: var(--accent-strong);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font-weight: 700;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease,
    background-color 160ms ease;
}

.button-primary {
  color: #062022;
  background: #20bbaa;
  border-color: rgba(47, 230, 208, 0.68);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  box-shadow: 0 10px 26px rgba(47, 230, 208, 0.14);
  transform: translateY(-1px);
}

.button-disabled {
  color: var(--subtle);
  background: rgba(5, 14, 17, 0.62);
  cursor: not-allowed;
}

.hero-visual {
  display: grid;
  min-height: 330px;
  place-items: center;
}

.logo-orbit {
  position: relative;
  display: grid;
  width: min(318px, 72vw);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(132, 255, 240, 0.14);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(47, 230, 208, 0.085), rgba(47, 230, 208, 0.02) 46%, transparent 74%),
    rgba(3, 12, 14, 0.1);
  box-shadow:
    0 0 52px rgba(47, 230, 208, 0.078),
    inset 0 0 20px rgba(47, 230, 208, 0.032);
}

.logo-orbit::before,
.logo-orbit::after {
  position: absolute;
  content: "";
  border-radius: 50%;
  pointer-events: none;
}

.logo-orbit::before {
  inset: 12%;
  border: 1px solid rgba(132, 255, 240, 0.08);
}

.logo-orbit::after {
  inset: -14%;
  border: 1px solid rgba(132, 255, 240, 0.06);
}

.logo-orbit img {
  width: 70%;
  height: 70%;
  border: 1px solid rgba(132, 255, 240, 0.18);
  border-radius: 38px;
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.24),
    0 0 28px rgba(47, 230, 208, 0.082);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 14px;
  overflow: hidden;
  border-radius: 14px;
  background:
    linear-gradient(90deg, rgba(47, 230, 208, 0.12), rgba(166, 186, 189, 0.08)),
    var(--surface);
}

.trust-strip span {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  padding: 12px;
  color: var(--muted);
  background: rgba(4, 12, 15, 0.5);
  font-size: 0.92rem;
  font-weight: 700;
  text-align: center;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 14px;
}

.features article {
  min-height: 158px;
  padding: 24px;
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(12, 30, 36, 0.9), rgba(5, 15, 18, 0.9));
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.features article:hover {
  border-color: rgba(132, 255, 240, 0.28);
  box-shadow:
    0 16px 42px rgba(0, 0, 0, 0.26),
    0 0 24px rgba(47, 230, 208, 0.055);
  transform: translateY(-2px);
}

.features h2 {
  margin-bottom: 10px;
  font-size: 1.05rem;
  letter-spacing: 0;
}

.features p,
.why-body p {
  margin-bottom: 0;
  color: var(--muted);
}

.why {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(28px, 5vw, 76px);
  margin-top: 14px;
  padding: clamp(24px, 3.5vw, 38px);
  border-radius: 16px;
  background:
    radial-gradient(circle at 16% 0%, rgba(47, 230, 208, 0.06), transparent 20rem),
    linear-gradient(135deg, rgba(8, 22, 27, 0.9), rgba(4, 12, 15, 0.9));
}

.why h2 {
  max-width: 460px;
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

.why-body p {
  max-width: 620px;
  margin-bottom: 20px;
  font-size: 1.02rem;
}

.why ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.why li {
  position: relative;
  padding-left: 20px;
  color: #d9e8e7;
  line-height: 1.45;
}

.why li::before {
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  content: "•";
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 22px 2px 0;
  color: var(--subtle);
  font-size: 0.92rem;
}

.site-footer p {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 26px;
    min-height: auto;
  }

  .hero::before {
    background:
      linear-gradient(rgba(132, 255, 240, 0.028) 1px, transparent 1px),
      linear-gradient(90deg, rgba(132, 255, 240, 0.028) 1px, transparent 1px);
    background-size: 38px 38px;
    mask-image: radial-gradient(circle at 50% 72%, rgba(0, 0, 0, 0.58) 0%, transparent 68%);
    -webkit-mask-image: radial-gradient(circle at 50% 72%, rgba(0, 0, 0, 0.58) 0%, transparent 68%);
  }

  .hero::after {
    background: radial-gradient(circle at 50% 76%, rgba(47, 230, 208, 0.055), transparent 16rem);
  }

  .hero-visual {
    min-height: 260px;
  }

  .features,
  .why {
    grid-template-columns: 1fr;
  }

  .why {
    gap: 22px;
  }
}

@media (max-width: 700px) {
  .site-shell {
    width: min(100% - 24px, 1180px);
    padding-top: 14px;
  }

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

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    padding: 26px;
  }

  .hero-visual {
    min-height: 220px;
  }

  .logo-orbit {
    width: min(236px, 70vw);
  }

  .trust-strip,
  .features,
  .why ul {
    grid-template-columns: 1fr;
  }

  .features article {
    min-height: 0;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 420px) {
  .site-shell {
    width: min(100% - 16px, 1180px);
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .nav-links a,
  .nav-links span {
    min-height: 36px;
    padding: 7px 9px;
  }

  .hero {
    padding: 22px;
    border-radius: 14px;
    background:
      radial-gradient(circle at 50% 76%, rgba(47, 230, 208, 0.065), transparent 16rem),
      linear-gradient(145deg, rgba(9, 24, 29, 0.94), rgba(4, 10, 12, 0.97));
  }

  h1 {
    font-size: clamp(3.4rem, 22vw, 5.2rem);
  }

  .hero-subtitle {
    font-size: 1.12rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}