:root {
  --bg: #050714;
  --bg-alt: #090b1a;
  --bg-elevated: #0e1224;
  --accent: #6ae5ff;
  --accent-soft: rgba(106, 229, 255, 0.18);
  --accent-strong: #8b5bff;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --text: #f9fbff;
  --text-soft: #b1b7d4;
  --text-muted: #7a7f98;
  --shadow-soft: 0 18px 60px rgba(1, 4, 24, 0.85);
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-pill: 999px;
}

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

html,
body {
  padding: 0;
  margin: 0;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  background: radial-gradient(circle at top, #111738 0, #050714 48%, #01020a 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(20px);
  background: radial-gradient(circle at top left, rgba(138, 90, 255, 0.14), transparent 55%),
    linear-gradient(to bottom, rgba(5, 7, 20, 0.96), rgba(5, 7, 20, 0.9));
  border-bottom: 1px solid var(--border-subtle);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo__icon {
  width: 26px;
  height: 26px;
  border-radius: 30%;
  background: radial-gradient(circle at 30% 10%, #ffffff, #d8ffff 22%, #6ae5ff 58%, #8b5bff 100%);
  box-shadow: 0 0 18px rgba(106, 229, 255, 0.85), 0 18px 35px rgba(0, 0, 0, 0.5);
}

.logo__text {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav__links {
  display: flex;
  gap: 22px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.nav__links a {
  position: relative;
  padding-bottom: 4px;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  border-radius: 999px;
  transition: width 0.18s ease-out;
}

.nav__links a:hover::after,
.nav__links a:focus-visible::after {
  width: 100%;
}

/* Hero */

.hero {
  padding: 40px 0 32px;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: linear-gradient(90deg, rgba(106, 229, 255, 0), rgba(106, 229, 255, 1));
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.4rem, 3vw + 1.6rem, 3.2rem);
  line-height: 1.02;
  margin-top: 14px;
  margin-bottom: 14px;
}

h2 {
  font-size: 1.8rem;
  line-height: 1.06;
}

h3 {
  font-size: 1.1rem;
}

.hero__subtitle {
  max-width: 500px;
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.6;
  margin-bottom: 22px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.hero__meta {
  font-size: 0.86rem;
  color: var(--text-muted);
}

.hero__visual {
  display: flex;
  justify-content: flex-end;
}

.card {
  background: radial-gradient(circle at top left, rgba(106, 229, 255, 0.13), transparent 55%),
    linear-gradient(145deg, rgba(12, 16, 40, 0.96), rgba(7, 9, 26, 0.98));
  border-radius: var(--radius-xl);
  padding: 22px 22px 20px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
}

.card--gradient {
  position: relative;
  overflow: hidden;
}

.card--gradient::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at 10% 0%, rgba(106, 229, 255, 0.2), transparent 55%),
    radial-gradient(circle at 90% 100%, rgba(139, 91, 255, 0.35), transparent 58%);
  opacity: 0.75;
  mix-blend-mode: screen;
  pointer-events: none;
}

.card--gradient h2,
.card--gradient p,
.card--gradient ul {
  position: relative;
}

.card--gradient h2 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.card--gradient p {
  font-size: 0.92rem;
  color: var(--text-soft);
}

.card--gradient ul {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 4px;
  font-size: 0.86rem;
  color: var(--text-soft);
}

.card--gradient li::before {
  content: "●";
  font-size: 0.7rem;
  color: var(--accent);
  margin-right: 6px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.12s ease-out,
    box-shadow 0.12s ease-out,
    background 0.12s ease-out,
    border-color 0.12s ease-out,
    color 0.12s ease-out;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 10px 30px rgba(106, 229, 255, 0.35);
  color: #02030a;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 16px 45px rgba(106, 229, 255, 0.45);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-soft);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

/* Sections */

.section {
  padding: 36px 0;
}

.section--alt {
  background: radial-gradient(circle at top, rgba(33, 40, 85, 0.7), rgba(5, 7, 20, 0.98) 40%),
    linear-gradient(to bottom, #050718, #040616);
}

.section__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.section__inner--center {
  align-items: center;
  text-align: center;
  max-width: 620px;
  margin: 0 auto;
}

.section__header h2 {
  margin-top: 10px;
}

.section__subtitle {
  margin: 10px 0 18px;
  color: var(--text-soft);
  font-size: 0.98rem;
}

.section__meta {
  margin-top: 4px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

p {
  color: var(--text-soft);
  line-height: 1.65;
  font-size: 0.96rem;
  margin: 0 0 10px;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid--2 {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--3 .card {
  padding: 18px 18px 16px;
}

.grid--3 p {
  font-size: 0.9rem;
}

.pill-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
}

.pill-list li {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: radial-gradient(circle at top left, rgba(106, 229, 255, 0.15), transparent 55%);
  font-size: 0.8rem;
  color: var(--text-soft);
}

/* Footer */

.footer {
  border-top: 1px solid var(--border-subtle);
  background: linear-gradient(to bottom, #050714, #050612);
  padding: 14px 0 18px;
  margin-top: 10px;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer__brand {
  font-weight: 500;
}

/* Responsive */

@media (max-width: 800px) {
  .hero {
    padding-top: 28px;
  }

  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__visual {
    order: -1;
    justify-content: flex-start;
  }

  .nav__inner {
    padding: 10px 0;
  }

  .nav__links {
    display: none;
  }

  .grid--2,
  .grid--3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .card {
    border-radius: 18px;
  }
}