:root {
  --bg-main: #071220;
  --text-main: #f0f3f4;
  --panel: #1b1e23;
  --mint: #2ecc71;
  --emerald: #2ecc71;
  --signal: #0096ff;
  --muted: #a7b3c0;
  --line: rgba(240, 243, 244, 0.16);
  --gutter: clamp(20px, 5.6vw, 92px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(980px 560px at 76% 58%, rgba(0, 150, 255, 0.34), transparent 72%),
    radial-gradient(760px 340px at 92% 10%, rgba(0, 150, 255, 0.2), transparent 76%),
    radial-gradient(540px 260px at 78% 76%, rgba(46, 204, 113, 0.15), transparent 78%),
    linear-gradient(98deg, #01040b 2%, #020915 30%, #041137 62%, #062867 100%),
    var(--bg-main);
  line-height: 1.5;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
  z-index: 1000;
  background: var(--mint);
  color: #031014;
  padding: 10px 14px;
  border-radius: 8px;
}

.container {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 50;
  background: transparent;
  padding: 22px 0;
  transition: all 0.3s ease;
}

.topbar-inner {
  position: relative;
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 26px;
  border-radius: 16px;
  border: 1px solid rgba(240, 243, 244, 0.1);
  background:
    radial-gradient(420px 130px at 84% 34%, rgba(0, 150, 255, 0.2), transparent 75%),
    linear-gradient(100deg, rgba(2, 7, 17, 0.66), rgba(5, 26, 72, 0.48));
  backdrop-filter: blur(7px);
}

.topbar.is-scrolled {
  padding: 12px 0;
}

.topbar.is-scrolled .topbar-inner {
  background:
    radial-gradient(420px 130px at 84% 34%, rgba(0, 150, 255, 0.24), transparent 75%),
    linear-gradient(100deg, rgba(2, 7, 17, 0.82), rgba(5, 26, 72, 0.6));
  box-shadow: 0 10px 35px rgba(2, 7, 17, 0.4);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.brand img {
  width: 186px;
  height: auto;
  display: block;
}


.nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
}

.nav a,
.footer a {
  color: var(--text-main);
  text-decoration: none;
  opacity: 0.88;
}

.nav a:hover,
.footer a:hover {
  opacity: 1;
  color: var(--mint);
}

.menu-toggle {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  padding: 11px 20px;
  transition: 0.2s ease;
}

.btn-login,
.btn-secondary {
  border: 1px solid var(--line);
  color: var(--text-main);
}

.btn-primary {
  background: linear-gradient(90deg, var(--mint), var(--signal));
  color: #031014;
}

.btn:hover {
  transform: translateY(-1px);
}

main {
  padding-top: 116px;
}

.hero {
  padding: 54px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 26px;
}

.eyebrow {
  color: var(--mint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  font-size: 0.82rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.05;
  margin: 8px 0 18px;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin: 0 0 24px;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.hero-copy p {
  color: var(--muted);
  max-width: 64ch;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  margin: 26px 0 16px;
}

.hero-note {
  color: var(--text-main);
  opacity: 0.85;
  font-size: 0.95rem;
}

.hero-card {
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(27, 30, 35, 0.9), rgba(27, 30, 35, 0.65));
  border-radius: 20px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.pulse {
  width: 120px;
  height: 120px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(168, 255, 214, 0.45), transparent 65%);
  position: absolute;
  top: -20px;
  right: -20px;
}

.hero-card p {
  margin: 0;
  color: var(--mint);
  font-weight: 600;
}

.hero-card h3 {
  margin: 10px 0 12px;
  font-size: 1.4rem;
}

.hero-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.section {
  padding: 72px 0;
}

.cards {
  display: grid;
  gap: 16px;
}

.cards-4 {
  grid-template-columns: repeat(4, 1fr);
}

.cards-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  border: 1px solid var(--line);
  background: rgba(27, 30, 35, 0.58);
  border-radius: 16px;
  padding: 20px;
}

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

.feature .icon {
  display: inline-flex;
  min-width: 38px;
  height: 30px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  background: rgba(168, 255, 214, 0.14);
  color: var(--mint);
  font-size: 0.83rem;
  font-weight: 700;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.step {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  background: rgba(27, 30, 35, 0.5);
}

.step span {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(78, 161, 255, 0.18);
  color: var(--signal);
  font-weight: 700;
  margin-bottom: 10px;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.differentiators {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.partner-box {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  background: rgba(27, 30, 35, 0.6);
}

.partner-box p {
  margin: 0;
  color: var(--muted);
}

.partner-badge {
  margin-top: 12px !important;
  color: var(--mint) !important;
  font-weight: 600;
}

.cta {
  padding-bottom: 90px;
}

.cta-inner {
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 38px 20px;
  background: linear-gradient(180deg, rgba(27, 30, 35, 0.7), rgba(7, 18, 32, 0.7));
}

.cta-inner p {
  color: var(--muted);
  margin: 0 0 20px;
}

.footer {
  border-top: 1px solid rgba(240, 243, 244, 0.1);
  padding: 18px 0 24px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

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

.footer div {
  display: flex;
  gap: 14px;
}

@media (max-width: 980px) {
  .hero-grid,
  .cards-3,
  .cards-4,
  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .nav {
    display: none;
    position: absolute;
    top: 88px;
    left: 0;
    width: 100%;
    background: rgba(7, 18, 32, 0.98);
    border-top: 1px solid var(--line);
    padding: 14px 26px;
  }

  .nav.open {
    display: flex;
    flex-direction: column;
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--line);
    color: var(--text-main);
    border-radius: 10px;
    padding: 8px 12px;
  }

  .btn-login {
    display: none;
  }

  .brand img {
    width: 154px;
  }

  .topbar-inner {
    padding: 0 18px;
  }
}

@media (max-width: 680px) {
  .hero,
  .section {
    padding: 52px 0;
  }

  .hero-grid,
  .cards-3,
  .cards-4,
  .steps {
    grid-template-columns: 1fr;
  }

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