:root {
  --bg: #09111f;
  --panel: rgba(10, 20, 36, 0.8);
  --panel-soft: rgba(17, 29, 48, 0.72);
  --ink: #eef4ff;
  --muted: #aac0dc;
  --line: rgba(173, 205, 255, 0.18);
  --cyan: #5fe2ff;
  --blue: #3f7bff;
  --lime: #b3ff7a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(63, 123, 255, 0.24), transparent 28%),
    radial-gradient(circle at bottom right, rgba(95, 226, 255, 0.18), transparent 30%),
    linear-gradient(145deg, #07101c 0%, #0b1323 45%, #10192e 100%);
  font-family: "Manrope", sans-serif;
}

.backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    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: 32px 32px;
  mask-image: radial-gradient(circle at center, black 32%, transparent 88%);
}

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

.page-shell {
  position: relative;
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.site-header,
.hero,
.promise,
.grid-band,
.surfaces {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(14px);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border-radius: 26px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.brand {
  font-family: "Newsreader", serif;
  font-size: 1.55rem;
  font-weight: 700;
}

.tag {
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(95, 226, 255, 0.14);
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 700;
}

nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
}

.hero,
.promise,
.grid-band,
.surfaces {
  margin-top: 22px;
  padding: 34px;
  border-radius: 34px;
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  color: var(--cyan);
  font-weight: 800;
}

h1,
h2 {
  margin: 0;
  font-family: "Newsreader", serif;
  line-height: 1.02;
}

h1 {
  max-width: 860px;
  font-size: clamp(3.2rem, 7vw, 6rem);
}

h2 {
  font-size: clamp(1.9rem, 3vw, 3rem);
}

.lede {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.74;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 800;
}

.button.primary {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 100%);
  color: #07111f;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
}

.promise {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 22px;
  align-items: start;
}

.promise-list {
  display: grid;
  gap: 12px;
}

.promise-list div,
.surface-item,
.card {
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
}

.grid-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card p {
  color: var(--muted);
  line-height: 1.68;
}

.card.accent {
  background:
    linear-gradient(180deg, rgba(63, 123, 255, 0.16), rgba(95, 226, 255, 0.06)),
    var(--panel-soft);
}

.surface-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.surface-item {
  color: var(--ink);
  font-weight: 600;
}

@media (max-width: 920px) {
  .site-header,
  .promise,
  .grid-band,
  .surface-grid {
    grid-template-columns: 1fr;
  }

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

  .hero,
  .promise,
  .grid-band,
  .surfaces {
    padding: 24px;
  }
}