:root {
  --bg: #0e1016;
  --surface: #171a22;
  --border: #2c3240;
  --text: #eef2f8;
  --muted: #97a0b0;
  --cyan: #20bcef;
  --green: #64e6a0;
  --coral: #ef5c5f;
  --display: "Space Grotesk", sans-serif;
  --body: Manrope, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  font-family: var(--body);
  background:
    radial-gradient(1000px 560px at 85% -10%, rgba(32, 188, 239, 0.14), transparent 55%),
    radial-gradient(800px 480px at -15% 40%, rgba(100, 230, 160, 0.07), transparent 50%),
    var(--bg);
}

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

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  background: linear-gradient(180deg, rgba(14, 16, 22, 0.92), rgba(14, 16, 22, 0.55) 70%, transparent);
  backdrop-filter: blur(8px);
}

.nav-brand {
  margin-right: auto;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.nav-link {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.25s var(--ease);
}

.nav-link:hover { color: var(--text); }

.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 1080px;
  margin: 0 auto;
  padding: 7rem 1.5rem 4rem;
}

.brand {
  margin: 0 0 0.7rem;
  font-family: var(--display);
  font-size: clamp(3.4rem, 10vw, 5.8rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.9;
  background: linear-gradient(120deg, #fff 12%, var(--cyan) 55%, var(--green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero h1 {
  margin: 0 0 1rem;
  max-width: 16ch;
  font-family: var(--display);
  font-size: clamp(1.55rem, 3.2vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.lede {
  margin: 0 0 1.75rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.45rem;
  border-radius: 999px;
  border: 0;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.25s var(--ease), filter 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: 0.7; cursor: wait; transform: none; }

.btn-primary {
  background: var(--cyan);
  color: #061018;
  box-shadow: 0 12px 32px rgba(32, 188, 239, 0.24);
}

.btn-primary:hover { filter: brightness(1.06); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-ghost:hover { border-color: #465064; }

.scroll-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 3.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scroll-hint span {
  width: 14px;
  height: 22px;
  border: 1px solid var(--border);
  border-radius: 999px;
  position: relative;
}

.scroll-hint span::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 4px;
  width: 3px;
  height: 5px;
  border-radius: 999px;
  background: var(--cyan);
  transform: translateX(-50%);
  animation: scroll-dot 1.6s ease-in-out infinite;
}

.section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 5.5rem 1.5rem;
}

.section-head {
  max-width: 36rem;
  margin-bottom: 2rem;
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--cyan);
  font-family: var(--display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-head h2 {
  margin: 0 0 0.7rem;
  font-family: var(--display);
  font-size: clamp(1.7rem, 3.2vw, 2.35rem);
  letter-spacing: -0.03em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.video-shell {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: #000;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.4);
}

.video-shell video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #000;
}

.how {
  padding-bottom: 6rem;
}

.steps {
  list-style: none;
  margin: 0 0 2.5rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.steps li {
  padding: 1.35rem 1.2rem 1.45rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(23, 26, 34, 0.95), rgba(18, 21, 28, 0.85));
}

.step-num {
  display: block;
  margin-bottom: 0.9rem;
  color: var(--cyan);
  font-family: var(--display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.steps h3 {
  margin: 0 0 0.45rem;
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 600;
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.launch-panel {
  padding: 1.75rem 1.5rem;
  border-radius: 18px;
  border: 1px solid rgba(32, 188, 239, 0.28);
  background:
    radial-gradient(500px 180px at 0% 0%, rgba(32, 188, 239, 0.12), transparent 60%),
    var(--surface);
  text-align: center;
}

.launch-panel h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.35rem;
}

.launch-panel > p {
  margin: 0 0 1.2rem;
  color: var(--muted);
}

.status {
  margin: 1rem 0 0;
  color: var(--green);
  font-size: 0.92rem;
}

.status.error { color: var(--coral); }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.88rem;
}

.footer span:first-child {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.45s; }

@keyframes scroll-dot {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  70% { opacity: 0; transform: translateX(-50%) translateY(8px); }
  100% { opacity: 0; transform: translateX(-50%) translateY(0); }
}

@media (max-width: 860px) {
  .nav-link { display: none; }
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .nav, .hero, .section, .footer { padding-inline: 1rem; }
  .cta-row { flex-direction: column; }
  .btn { width: 100%; }
  .footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .scroll-hint span::after { animation: none; }
}