:root {
  color-scheme: dark;
  --bg: #070914;
  --bg-soft: #0e1224;
  --surface: rgba(255, 255, 255, 0.075);
  --surface-strong: rgba(255, 255, 255, 0.13);
  --text: #f4f7fb;
  --muted: #aab4c3;
  --line: rgba(255, 255, 255, 0.15);
  --accent: #8fd3ff;
  --accent-strong: #ffffff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius-lg: 30px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max: 1180px;
  --rainbow: linear-gradient(90deg, #ff4d6d, #ffb703, #f4f83b, #25d366, #21c7ff, #7b61ff, #ff63c3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 12%, rgba(123, 97, 255, 0.27), transparent 36rem),
    radial-gradient(circle at 82% 18%, rgba(33, 199, 255, 0.19), transparent 30rem),
    radial-gradient(circle at 50% 85%, rgba(255, 99, 195, 0.14), transparent 38rem),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.75), transparent 78%);
}

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

img {
  display: block;
  max-width: 100%;
}

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  transition: top 180ms ease;
}

.skip-link:focus {
  top: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: background 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(7, 9, 20, 0.78);
}

.nav {
  width: min(var(--max), calc(100% - 2rem));
  min-height: 76px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand span {
  font-size: 1.08rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-links a {
  padding: 0.58rem 0.85rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.95rem;
  transition: background 180ms ease, color 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: var(--surface);
  color: var(--text);
  outline: none;
}

.nav-links .nav-cta {
  margin-left: 0.35rem;
  color: var(--bg);
  background: var(--text);
  font-weight: 750;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: currentColor;
}

.section-shell {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding-block: clamp(4rem, 8vw, 7rem);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 1.25rem;
  font-size: clamp(3.3rem, 8vw, 7.8rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
}

h1::after {
  content: "";
  display: block;
  width: min(430px, 74vw);
  height: 0.18em;
  margin-top: 0.16em;
  border-radius: 999px;
  background: var(--rainbow);
  box-shadow: 0 0 34px rgba(143, 211, 255, 0.25);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}

.hero-copy,
.section-copy,
.product-info p,
.contact-panel p,
.info-card p,
.timeline p {
  color: var(--muted);
}

.hero-copy {
  max-width: 680px;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.78rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: -0.02em;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.button-primary {
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 12px 38px rgba(255, 255, 255, 0.12);
}

.button-ghost {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  max-width: 620px;
  margin: 2.35rem 0 0;
}

.hero-stats div {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.045);
}

.hero-stats dt {
  color: var(--accent);
  font-weight: 900;
}

.hero-stats dd {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.hero-visual {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(8px);
  opacity: 0.7;
}

.orb-a {
  width: 260px;
  height: 260px;
  top: 6%;
  right: 8%;
  background: rgba(33, 199, 255, 0.22);
}

.orb-b {
  width: 330px;
  height: 330px;
  left: 0;
  bottom: 10%;
  background: rgba(255, 99, 195, 0.14);
}

.glass-card,
.info-card,
.timeline li {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.045));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.terminal-card {
  position: relative;
  z-index: 2;
  width: min(100%, 500px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  transform: rotate(-2deg);
}

.terminal-topbar,
.window-bar {
  display: flex;
  gap: 0.45rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.18);
}

.terminal-topbar span,
.window-bar span {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.38);
}

.terminal-card pre {
  margin: 0;
  padding: clamp(1.2rem, 3vw, 2rem);
  white-space: pre-wrap;
  color: #dfe8f5;
  font-size: clamp(0.9rem, 1.5vw, 1rem);
}

.terminal-accent {
  background: var(--rainbow);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 900;
}

.rainbow-circuit {
  position: absolute;
  right: -2%;
  bottom: 6%;
  z-index: 1;
  width: 76%;
  display: grid;
  gap: 0.65rem;
  transform: rotate(-8deg);
}

.rainbow-circuit span {
  display: block;
  height: 10px;
  border-radius: 999px;
  opacity: 0.9;
  animation: pulse-line 2600ms ease-in-out infinite;
}

.rainbow-circuit span:nth-child(1) { width: 78%; background: #ff4d6d; }
.rainbow-circuit span:nth-child(2) { width: 88%; background: #ffb703; animation-delay: 90ms; }
.rainbow-circuit span:nth-child(3) { width: 70%; background: #f4f83b; animation-delay: 180ms; }
.rainbow-circuit span:nth-child(4) { width: 94%; background: #25d366; animation-delay: 270ms; }
.rainbow-circuit span:nth-child(5) { width: 68%; background: #21c7ff; animation-delay: 360ms; }
.rainbow-circuit span:nth-child(6) { width: 84%; background: #7b61ff; animation-delay: 450ms; }
.rainbow-circuit span:nth-child(7) { width: 58%; background: #ff63c3; animation-delay: 540ms; }

@keyframes pulse-line {
  0%, 100% { transform: translateX(0); filter: brightness(1); }
  50% { transform: translateX(14px); filter: brightness(1.35); }
}

.compact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  padding-block: 1rem 4rem;
}

.logos span {
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 0.9rem;
}

.split {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: clamp(2rem, 6vw, 6rem);
  padding-block: clamp(4rem, 9vw, 8rem);
}

.section-copy {
  font-size: 1.08rem;
}

.product-section,
.roadmap,
.contact-section {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.product-card {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  overflow: hidden;
  padding: clamp(1.2rem, 4vw, 3rem);
  border-radius: var(--radius-lg);
}

.feature-list {
  display: grid;
  gap: 0.65rem;
  margin: 1.5rem 0 2rem;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--muted);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 999px;
  background: var(--rainbow);
}

.app-preview {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #0b0f1f;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
}

.app-layout {
  display: grid;
  grid-template-columns: 160px 1fr;
  min-height: 350px;
}

.app-layout aside {
  display: grid;
  align-content: start;
  gap: 0.55rem;
  padding: 1rem;
  border-right: 1px solid var(--line);
  background: rgba(255,255,255,0.035);
}

.app-layout aside strong {
  margin-bottom: 0.5rem;
}

.app-layout aside span {
  padding: 0.55rem 0.65rem;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.app-layout aside .active {
  background: var(--surface-strong);
  color: var(--text);
}

.app-main {
  padding: 1.1rem;
}

.app-main-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--muted);
}

.app-main-header span {
  color: var(--text);
  font-weight: 800;
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

.device-grid span {
  min-height: 88px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    radial-gradient(circle at 18% 22%, rgba(143,211,255,.26), transparent 26px),
    rgba(255,255,255,0.045);
}

.signal-lines {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.signal-lines i {
  height: 9px;
  border-radius: 999px;
  background: var(--rainbow);
  opacity: 0.8;
}

.signal-lines i:nth-child(2) { width: 72%; }
.signal-lines i:nth-child(3) { width: 46%; }

.section-heading {
  max-width: 720px;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.info-card {
  position: relative;
  min-height: 260px;
  padding: 1.45rem;
  border-radius: var(--radius-md);
}

.card-number {
  display: inline-flex;
  margin-bottom: 3rem;
  color: var(--accent);
  font-weight: 900;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  padding: 1.4rem;
  border-radius: var(--radius-md);
}

.timeline li::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 1.4rem;
  width: 40%;
  height: 3px;
  border-radius: 999px;
  background: var(--rainbow);
}

.timeline span {
  display: inline-block;
  margin: 1rem 0 1.4rem;
  color: var(--accent);
  font-weight: 900;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.contact-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  padding: clamp(1.2rem, 4vw, 3rem);
  border-radius: var(--radius-lg);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  color: var(--muted);
  font-weight: 750;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.075);
  color: var(--text);
  padding: 0.9rem 1rem;
  outline: none;
  transition: border-color 180ms ease, background 180ms ease;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(143, 211, 255, 0.75);
  background: rgba(255, 255, 255, 0.11);
}

.form-status {
  min-height: 1.4rem;
  margin: 0;
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,0.16);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.2rem;
  color: var(--muted);
}

.footer-inner .brand,
.footer-inner a {
  color: var(--text);
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero,
  .split,
  .product-card,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 480px;
  }

  .cards-grid,
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav-links {
    position: absolute;
    inset: 76px 1rem auto 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(7, 9, 20, 0.94);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 0.8rem 0.95rem;
  }

  .nav-links .nav-cta {
    margin-left: 0;
    text-align: center;
  }

  .hero-stats,
  .cards-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 400px;
  }

  .app-layout {
    grid-template-columns: 1fr;
  }

  .app-layout aside {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}