:root {
  --ink: #07111f;
  --fog: #9eb0c7;
  --snow: #e8eef8;
  --signal: #7cffb2;
  --signal-deep: #2fd87f;
  --steel: #1a2a44;
  --glow: rgba(124, 255, 178, 0.28);
  --font-display: "Syne", "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --max: 68rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--snow);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  background: var(--ink);
  overflow-x: hidden;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1000px 640px at 8% -8%, rgba(47, 216, 127, 0.22), transparent 55%),
    radial-gradient(900px 560px at 92% 0%, rgba(56, 120, 255, 0.28), transparent 52%),
    radial-gradient(700px 480px at 55% 100%, rgba(12, 40, 70, 0.95), transparent 58%),
    linear-gradient(160deg, #050b14 0%, #0a1628 45%, #102038 100%);
  animation: drift 18s ease-in-out infinite alternate;
}

.grid-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(232, 238, 248, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 238, 248, 0.05) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 18%, #000 18%, transparent 75%);
  opacity: 0.7;
  pointer-events: none;
}

@keyframes drift {
  from {
    transform: scale(1) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.04) translate3d(0, -1.5%, 0);
  }
}

a {
  color: var(--signal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #b6ffd5;
}

.top {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  animation: rise 0.7s ease-out both;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.45rem;
  background: linear-gradient(145deg, var(--signal), var(--signal-deep));
  color: #04140c;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: -0.03em;
  box-shadow: 0 10px 30px var(--glow);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-text small {
  color: rgba(232, 238, 248, 0.58);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.top-nav {
  display: flex;
  gap: 1.1rem;
  align-items: center;
}

.top-nav a {
  color: rgba(232, 238, 248, 0.78);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}

.top-nav a:hover {
  color: #fff;
}

.nav-quiet {
  opacity: 0.65;
  font-size: 0.85rem !important;
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3.5rem, 12vh, 7rem) 1.5rem 3.5rem;
  animation: rise 0.85s 0.08s ease-out both;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: rgba(158, 176, 199, 0.95);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand-hero {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3.6rem, 12vw, 6.8rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.92;
  text-shadow: 0 18px 50px rgba(0, 0, 0, 0.4);
}

.lede {
  max-width: 34rem;
  margin: 1.35rem 0 0;
  color: rgba(232, 238, 248, 0.74);
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  font-weight: 400;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.cta-primary,
.cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  padding: 0.85rem 1.45rem;
  border-radius: 0.55rem;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.cta-primary {
  background: linear-gradient(120deg, var(--signal), var(--signal-deep));
  color: #04140c;
  box-shadow: 0 14px 40px var(--glow);
}

.cta-primary:hover {
  color: #021008;
  transform: translateY(-2px);
  box-shadow: 0 18px 48px rgba(124, 255, 178, 0.4);
}

.cta-secondary {
  background: rgba(232, 238, 248, 0.06);
  color: var(--snow);
  border: 1px solid rgba(232, 238, 248, 0.2);
}

.cta-secondary:hover {
  color: #fff;
  background: rgba(232, 238, 248, 0.12);
  transform: translateY(-2px);
}

.cta-note {
  margin: 0.9rem 0 0;
  color: rgba(158, 176, 199, 0.85);
  font-size: 0.88rem;
}

.strip,
.privacy {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem 3.5rem;
  animation: rise 0.9s 0.16s ease-out both;
}

.strip h2,
.privacy h2 {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 780px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.steps li {
  padding: 1.15rem 1.2rem 1.25rem;
  border: 1px solid rgba(232, 238, 248, 0.1);
  border-radius: 0.85rem;
  background: rgba(7, 17, 31, 0.45);
  backdrop-filter: blur(8px);
}

.steps strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.steps span {
  color: rgba(232, 238, 248, 0.66);
  font-size: 0.95rem;
}

.privacy p,
.privacy li {
  color: rgba(232, 238, 248, 0.72);
}

.privacy ul {
  margin: 1rem 0 0;
  padding-left: 1.15rem;
}

.privacy li + li {
  margin-top: 0.45rem;
}

.foot {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
  color: rgba(158, 176, 199, 0.75);
  font-size: 0.88rem;
}

.foot a {
  color: rgba(232, 238, 248, 0.7);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 560px) {
  .top-nav .nav-quiet {
    display: none;
  }

  .cta-primary,
  .cta-secondary {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .atmosphere,
  .top,
  .hero,
  .strip,
  .privacy {
    animation: none;
  }

  .cta-primary,
  .cta-secondary {
    transition: none;
  }
}