:root {
  --bg: #050816;
  --bg-soft: #0c1330;
  --panel: rgba(9, 15, 38, 0.78);
  --panel-strong: rgba(10, 18, 46, 0.96);
  --line: rgba(128, 188, 255, 0.18);
  --line-strong: rgba(128, 188, 255, 0.34);
  --text: #edf4ff;
  --muted: #9aa8c7;
  --accent: #63e6ff;
  --accent-2: #88ffb8;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top, rgba(99, 230, 255, 0.14), transparent 32%),
    radial-gradient(circle at 85% 18%, rgba(136, 255, 184, 0.09), transparent 20%),
    linear-gradient(180deg, #061022 0%, #050816 42%, #03050d 100%);
  color: var(--text);
  font-family: "Inter", sans-serif;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

.page-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 92%);
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
  padding: 18px 0;
  background: linear-gradient(180deg, rgba(5, 8, 22, 0.88), rgba(5, 8, 22, 0.2));
  backdrop-filter: blur(16px);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  text-decoration: none;
  font-family: "Orbitron", sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.88rem;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--text);
}

.cta-small {
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text) !important;
}

.hero {
  position: relative;
  min-height: 100svh;
  padding: 104px 0 48px;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 68% 45%, rgba(99, 230, 255, 0.16), transparent 24%),
    radial-gradient(circle at 62% 72%, rgba(211, 65, 255, 0.14), transparent 28%),
    linear-gradient(90deg, rgba(3, 6, 18, 0.96) 0%, rgba(3, 6, 18, 0.76) 40%, rgba(3, 6, 18, 0.24) 100%);
}

.hero-shell {
  position: relative;
  z-index: 1;
  min-height: calc(100svh - 152px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: 32px;
}

.hero-copy {
  max-width: 620px;
  animation: rise-in 700ms ease-out both;
}

.eyebrow,
.section-kicker,
.feature-label,
.system-title {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  color: var(--accent);
}

.hero-brand {
  margin-top: 14px;
  font-family: "Orbitron", sans-serif;
  font-size: clamp(0.95rem, 1vw + 0.7rem, 1.25rem);
  letter-spacing: 0.4em;
  color: rgba(237, 244, 255, 0.74);
}

.hero h1,
.overview h2,
.section-heading h2,
.system-copy h2,
.notes-grid h2,
.download-panel h2 {
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  line-height: 1.05;
}

.hero h1 {
  margin-top: 18px;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  text-wrap: balance;
}

.hero-text,
.section-copy,
.system-text,
.notes-list li {
  color: var(--muted);
}

.hero-text {
  max-width: 560px;
  margin-top: 18px;
  font-size: 0.96rem;
}

.hero-copy::after {
  content: "";
  display: block;
  width: 140px;
  height: 1px;
  margin-top: 26px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #031019;
  box-shadow: 0 18px 38px rgba(99, 230, 255, 0.22);
}

.btn-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.hero-points {
  display: grid;
  gap: 10px;
  margin-top: 22px;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 22px;
  color: rgba(237, 244, 255, 0.86);
  font-size: 0.92rem;
}

.hero-points li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(99, 230, 255, 0.65);
}

.hero-visual {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float-in 880ms ease-out both;
}

.visual-orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(136, 255, 184, 0.15);
}

.orbit-one {
  width: 420px;
  height: 420px;
  animation: spin 24s linear infinite;
}

.orbit-two {
  width: 540px;
  height: 540px;
  border-color: rgba(99, 230, 255, 0.12);
  animation: spin 32s linear infinite reverse;
}

.mockup-stage {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border-radius: 26px;
  background: rgba(9, 15, 38, 0.82);
  border: 1px solid rgba(99, 230, 255, 0.16);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.32),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset;
}

.mockup-stage::after {
  content: "";
  position: absolute;
  inset: auto 18% -18px;
  height: 70px;
  background: radial-gradient(circle, rgba(99, 230, 255, 0.22), transparent 72%);
  filter: blur(24px);
  z-index: -1;
}

.mockup-stage::before {
  content: "LIVE APP PREVIEW";
  position: absolute;
  top: -14px;
  left: 18px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(5, 8, 22, 0.92);
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
}

.mockup-img {
  width: min(100%, 300px);
  border-radius: 20px;
}

.section {
  padding: 72px 0;
}

.overview h2,
.section-heading h2,
.system-copy h2,
.notes-grid h2,
.download-panel h2 {
  margin-top: 12px;
  font-size: clamp(1.45rem, 2.6vw, 2.3rem);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.feature-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.feature-column,
.system-item,
.download-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.feature-column {
  min-height: 100%;
  padding: 22px;
  border-radius: 20px;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.feature-column {
  background:
    linear-gradient(180deg, rgba(9, 15, 38, 0.88), rgba(8, 12, 30, 0.92));
}

.feature-column:hover,
.system-item:hover,
.download-panel:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.feature-column ul,
.notes-list {
  margin-top: 14px;
  padding-left: 0;
  list-style: none;
}

.feature-column li,
.notes-list li {
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.system-grid {
  gap: 36px;
}

.system-list {
  display: grid;
  gap: 16px;
}

.system-item {
  padding: 22px 24px;
  border-radius: 20px;
}

.system-title {
  display: block;
  margin-bottom: 8px;
}

.notes-grid {
  padding: 32px 0 0;
  border-top: 1px solid var(--line);
}

.download-panel {
  padding: 30px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(99, 230, 255, 0.1), transparent 35%),
    linear-gradient(180deg, rgba(9, 15, 38, 0.94), rgba(5, 9, 24, 0.98));
}

.download-note {
  color: var(--muted);
  font-size: 0.86rem;
}

.footer {
  padding: 26px 0 34px;
  border-top: 1px solid var(--line);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 0.94rem;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a {
  text-decoration: none;
  color: var(--muted);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(22px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1080px) {
  .hero-shell,
  .feature-columns {
    grid-template-columns: 1fr;
  }

  .hero-shell {
    padding-top: 20px;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-visual {
    min-height: 440px;
  }

}

@media (max-width: 780px) {
  .desktop-only {
    display: none;
  }

  .container {
    width: min(100% - 28px, 1160px);
  }

  .hero {
    min-height: auto;
    padding-top: 86px;
    padding-bottom: 34px;
  }

  .hero-shell {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: start;
  }

  .hero h1 {
    font-size: clamp(1.8rem, 9vw, 2.7rem);
    line-height: 0.98;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-visual {
    min-height: 260px;
    order: 2;
  }

  .orbit-one {
    width: 260px;
    height: 260px;
  }

  .orbit-two {
    width: 320px;
    height: 320px;
  }

  .section {
    padding: 56px 0;
  }

  .download-panel {
    padding: 22px;
  }

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

@media (max-width: 520px) {
  .container {
    width: min(100% - 20px, 1160px);
  }

  .navbar {
    padding: 12px 0;
  }

  .logo {
    font-size: 0.88rem;
    letter-spacing: 0.08em;
  }

  .hero {
    padding: 74px 0 28px;
  }

  .hero-shell {
    gap: 14px;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-brand {
    margin-top: 8px;
    font-size: 0.92rem;
    letter-spacing: 0.2em;
  }

  .eyebrow {
    font-size: 0.6rem;
    letter-spacing: 0.14em;
  }

  .hero h1 {
    margin-top: 12px;
    font-size: clamp(1.55rem, 8.6vw, 2.2rem);
    max-width: none;
  }

  .hero-text {
    margin-top: 14px;
    font-size: 0.82rem;
    line-height: 1.5;
  }

  .hero-actions,
  .download-actions {
    gap: 8px;
    margin-top: 18px;
    flex-direction: column;
    align-items: stretch;
  }

  .hero-copy::after {
    width: 96px;
    margin: 18px auto 0;
  }

  .btn {
    width: 100%;
    min-height: 42px;
    font-size: 0.8rem;
  }

  .hero-points {
    display: none;
  }

  .hero-points li,
  .feature-column li,
  .section-copy,
  .download-note {
    font-size: 0.82rem;
  }

  .hero-visual {
    min-height: auto;
    margin-top: 2px;
  }

  .orbit-one {
    display: none;
  }

  .orbit-two {
    display: none;
  }

  .mockup-stage {
    width: 100%;
    max-width: 250px;
    margin: 0 auto;
    padding: 8px;
    border-radius: 18px;
  }

  .mockup-img {
    width: 100%;
    border-radius: 14px;
  }

  .mockup-stage::before {
    top: -11px;
    left: 10px;
    padding: 5px 9px;
    font-size: 0.54rem;
  }

  .feature-column,
  .download-panel {
    border-radius: 16px;
  }

  .feature-columns {
    gap: 16px;
  }

  .feature-column {
    padding: 16px;
  }

  .section-heading,
  .download-panel {
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 12px;
  }
}

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