:root {
  --bg: #071018;
  --bg-2: #0c1824;
  --ink: #e8f2f7;
  --muted: #8aa0b3;
  --teal: #00d4c8;
  --sky: #2f9bff;
  --lime: #b8f25a;
  --line: rgba(232, 242, 247, 0.12);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(47, 155, 255, 0.22), transparent 55%),
    radial-gradient(900px 600px at -10% 20%, rgba(0, 212, 200, 0.16), transparent 50%),
    linear-gradient(165deg, var(--bg) 0%, var(--bg-2) 48%, #0a1420 100%);
  overflow-x: hidden;
}

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

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.aurora {
  pointer-events: none;
  position: fixed;
  inset: -20% -10%;
  z-index: 0;
  background:
    conic-gradient(from 210deg at 70% 20%, rgba(0, 212, 200, 0.14), transparent 35%, rgba(47, 155, 255, 0.12), transparent 70%);
  filter: blur(40px);
  animation: drift 18s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translate3d(-2%, 0, 0) rotate(0deg); }
  to { transform: translate3d(3%, 2%, 0) rotate(8deg); }
}

.top,
main,
.foot {
  position: relative;
  z-index: 1;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.65rem;
  background:
    radial-gradient(circle at 30% 30%, #fff8, transparent 40%),
    linear-gradient(135deg, var(--teal), var(--sky));
  box-shadow: 0 0 24px rgba(0, 212, 200, 0.35);
}

.brand-mark.sm {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 0.4rem;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.top-nav {
  display: none;
  gap: 1.5rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.top-nav a:hover {
  color: var(--ink);
}

@media (min-width: 780px) {
  .top-nav {
    display: flex;
  }
}

.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
  display: grid;
  gap: 2.5rem;
  align-items: center;
  min-height: calc(100vh - 5rem);
}

@media (min-width: 960px) {
  .hero {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
    padding-top: 0.5rem;
  }
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
}

.brand-hero {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 9vw, 6.4rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  background: linear-gradient(105deg, #f4fbff 10%, var(--teal) 48%, var(--sky) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: brandIn 1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes brandIn {
  from { opacity: 0; transform: translateY(18px); filter: blur(6px); }
  to { opacity: 1; transform: none; filter: none; }
}

.lede {
  margin: 1.15rem 0 0;
  max-width: 28rem;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  line-height: 1.55;
  color: var(--muted);
  animation: brandIn 1s 0.12s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
  animation: brandIn 1s 0.22s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.cta-row.compact {
  margin-top: 1.5rem;
}

.store {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.1rem;
  border-radius: 0.95rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.store:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 212, 200, 0.45);
  background: rgba(0, 212, 200, 0.08);
}

.store span {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.store small {
  font-size: 0.68rem;
  color: var(--muted);
}

.store strong {
  font-size: 0.98rem;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
}

.orbit {
  position: absolute;
  width: min(420px, 90%);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 200, 0.2);
  box-shadow:
    0 0 80px rgba(47, 155, 255, 0.18),
    inset 0 0 60px rgba(0, 212, 200, 0.08);
  animation: spin 28s linear infinite;
}

.orbit::before,
.orbit::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 16px var(--lime);
  top: 8%;
  left: 50%;
}

.orbit::after {
  background: var(--teal);
  box-shadow: 0 0 16px var(--teal);
  top: auto;
  bottom: 12%;
  left: 12%;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.phone {
  position: relative;
  width: min(300px, 78vw);
  animation: floatY 5.5s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.phone-bezel {
  border-radius: 2rem;
  padding: 0.55rem;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.04));
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}

.phone-notch {
  width: 38%;
  height: 0.55rem;
  margin: 0.35rem auto 0.6rem;
  border-radius: 999px;
  background: #050a10;
}

.chat {
  border-radius: 1.5rem;
  background: linear-gradient(180deg, #0e1a28, #0a131e);
  padding: 0.85rem;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.chat-top {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--muted);
  padding: 0.2rem 0.35rem 0.5rem;
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
}

.bubble {
  max-width: 92%;
  padding: 0.7rem 0.85rem;
  border-radius: 1rem;
  opacity: 0;
  animation: bubbleIn 0.7s ease forwards;
}

.bubble.delay-1 { animation-delay: 0.4s; }
.bubble.delay-2 { animation-delay: 0.9s; }
.bubble.delay-3 { animation-delay: 1.4s; }

@keyframes bubbleIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.bubble.in {
  align-self: flex-start;
  background: rgba(47, 155, 255, 0.12);
  border: 1px solid rgba(47, 155, 255, 0.22);
  border-bottom-left-radius: 0.35rem;
}

.bubble.out {
  align-self: flex-end;
  background: rgba(0, 212, 200, 0.12);
  border: 1px solid rgba(0, 212, 200, 0.25);
  border-bottom-right-radius: 0.35rem;
}

.bubble .src {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.bubble .dst {
  margin: 0.3rem 0 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
}

.composer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  background: rgba(255, 255, 255, 0.03);
}

.send {
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--sky));
  color: #041018;
  font-weight: 700;
}

.band {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem 1.5rem 1rem;
  text-align: center;
}

.band h2,
.how h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.band-lead {
  margin: 0.9rem auto 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.features {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3.5rem;
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 800px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

.feat h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.feat p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.feat {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.how {
  max-width: 1180px;
  margin: 0 auto 3rem;
  padding: 2rem 1.5rem 4rem;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .how {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.how ol {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 1rem;
}

.how li {
  counter-increment: step;
  position: relative;
  padding-left: 3rem;
  color: var(--muted);
  line-height: 1.5;
}

.how li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 0.6rem;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: #041018;
  background: linear-gradient(135deg, var(--teal), var(--sky));
}

.how strong {
  color: var(--ink);
}

.signal {
  position: relative;
  height: 280px;
  display: grid;
  place-items: center;
}

.wave {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 200, 0.28);
  animation: pulse 3.2s ease-out infinite;
}

.w1 { width: 90px; height: 90px; }
.w2 { width: 150px; height: 150px; animation-delay: 0.55s; }
.w3 { width: 220px; height: 220px; animation-delay: 1.1s; }

@keyframes pulse {
  0% { transform: scale(0.85); opacity: 0.8; }
  100% { transform: scale(1.25); opacity: 0; }
}

.core {
  width: 72px;
  height: 72px;
  border-radius: 1.25rem;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(145deg, var(--teal), var(--sky));
  color: #041018;
  box-shadow: 0 0 40px rgba(0, 212, 200, 0.35);
}

.foot {
  border-top: 1px solid var(--line);
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}