:root {
  --bg: #05070d;
  --panel: rgba(12, 18, 30, .82);
  --panel-soft: rgba(255, 255, 255, .055);
  --text: #f5f8ff;
  --muted: #9daabd;
  --cyan: #11c7ee;
  --green: #04e778;
  --line: rgba(255, 255, 255, .12);
  --shadow: 0 24px 90px rgba(0, 0, 0, .38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 8%, rgba(17, 199, 238, .22), transparent 30%),
    radial-gradient(circle at 86% 22%, rgba(4, 231, 120, .13), transparent 28%),
    linear-gradient(180deg, #05070d 0%, #07111a 52%, #05070d 100%);
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 13, .78);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 168px;
  height: 52px;
  object-fit: contain;
  object-position: left center;
}

nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

nav a:hover {
  color: var(--cyan);
}

.nav-cta,
.primary,
.secondary,
.footer a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(17, 199, 238, .48);
  border-radius: 8px;
  background: rgba(17, 199, 238, .09);
  font-weight: 800;
}

.primary,
.footer a {
  border-color: rgba(4, 231, 120, .7);
  background: linear-gradient(135deg, rgba(17, 199, 238, .28), rgba(4, 231, 120, .2));
  box-shadow: 0 0 28px rgba(17, 199, 238, .18);
}

.secondary {
  background: rgba(255, 255, 255, .04);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(310px, .9fr);
  gap: clamp(30px, 6vw, 86px);
  align-items: center;
  min-height: 78vh;
  padding: clamp(58px, 8vw, 112px) clamp(18px, 4vw, 56px);
}

.hero-copy {
  max-width: 850px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  max-width: 860px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: .95;
}

h2 {
  margin-bottom: 0;
  max-width: 760px;
  font-size: clamp(30px, 5vw, 58px);
  line-height: 1.02;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.hero p,
.section-head p,
.product-grid p,
.pricing-grid p,
.pricing-grid li,
.steps p,
.footer span,
.deal-note {
  color: var(--muted);
  line-height: 1.65;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 690px;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.deal-board {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid rgba(17, 199, 238, .24);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.deal-header,
.deal-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

.deal-header {
  display: grid;
}

.deal-header strong {
  font-size: 32px;
}

.deal-row span,
.deal-header span {
  color: var(--muted);
}

.deal-row strong {
  color: var(--green);
  white-space: nowrap;
}

.section {
  padding: clamp(56px, 8vw, 98px) clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
}

.section-head {
  margin-bottom: 30px;
}

.product-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-grid article,
.pricing-grid article,
.steps div {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.product-grid span,
.steps span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  border: 1px solid rgba(17, 199, 238, .35);
  border-radius: 8px;
  color: var(--cyan);
  font-weight: 900;
}

.pricing-section {
  background: rgba(255, 255, 255, .025);
}

.pricing-grid strong {
  display: block;
  margin-bottom: 14px;
  color: var(--green);
  font-size: 34px;
}

.pricing-grid ul {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding-left: 18px;
}

.pricing-grid .featured {
  border-color: rgba(4, 231, 120, .5);
  box-shadow: 0 0 45px rgba(4, 231, 120, .12);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.demo-grid a {
  display: grid;
  place-items: center;
  min-height: 150px;
  padding: 18px;
  border: 1px solid rgba(17, 199, 238, .28);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(17, 199, 238, .1), rgba(4, 231, 120, .08)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .025), rgba(255, 255, 255, .025) 1px, transparent 1px, transparent 12px);
  color: var(--text);
  font-weight: 900;
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.steps div {
  min-height: 190px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
}

.footer img {
  width: 170px;
  height: 52px;
  object-fit: contain;
  object-position: left center;
}

@media (max-width: 1000px) {
  nav {
    display: none;
  }

  .hero,
  .product-grid,
  .pricing-grid,
  .steps {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .topbar,
  .footer,
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  h1 {
    font-size: 40px;
  }

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