:root {
  color-scheme: dark;
  --bg: #04070f;
  --surface: rgba(7, 13, 24, 0.92);
  --surface-soft: rgba(8, 16, 31, 0.85);
  --surface-light: rgba(17, 34, 58, 0.74);
  --border: rgba(62, 224, 128, 0.18);
  --text: #f8fafc;
  --muted: #9bb3c6;
  --green: #3ee080;
  --green-soft: rgba(62, 224, 128, 0.16);
  --accent: #0ff1a8;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.25);
  --radius: 28px;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
  background: radial-gradient(circle at top left, rgba(62, 224, 128, 0.12), transparent 18%),
    radial-gradient(circle at 90% 15%, rgba(0, 255, 170, 0.08), transparent 15%),
    linear-gradient(180deg, #02101e 0%, #050a12 35%, #06101c 100%);
  color: var(--text);
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1rem;
}

.page-shell {
  position: relative;
  width: 100%;
  overflow-x: hidden;
}

main {
  width: 100%;
  overflow-x: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(20px);
  background: rgba(4, 9, 18, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
}

.logo-mark {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: linear-gradient(135deg, #3ee080, #0af3eb);
  color: #071119;
}

.brand span {
  display: block;
  font-size: 1rem;
  font-weight: 700;
}

.brand small {
  color: var(--muted);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  font-weight: 500;
  transition: color 0.25s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #fff;
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--text);
  margin: 6px 0;
  border-radius: 999px;
}

.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--green);
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

h3 {
  font-size: 1.25rem;
}

p,
li,
span {
  color: var(--muted);
  line-height: 1.75;
}

.hero-section {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.hero-banner {
  position: relative;
  overflow: hidden;
}

.hero-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(62, 224, 128, 0.12), transparent 18%),
    radial-gradient(circle at 80% 10%, rgba(0, 255, 170, 0.1), transparent 15%),
    radial-gradient(circle at 50% 80%, rgba(1, 255, 212, 0.05), transparent 20%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero-text {
  font-size: 1.05rem;
  margin: 1.75rem 0 2.25rem;
  max-width: 42rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  border-radius: 999px;
  padding: 1rem 1.8rem;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, #3ee080, #0af3eb);
  color: #071119;
  box-shadow: 0 18px 50px rgba(62, 224, 128, 0.24);
}

.btn-secondary {
  border: 1px solid rgba(62, 224, 128, 0.32);
  background: rgba(255, 255, 255, 0.04);
  color: #f8fafc;
}

.btn-large {
  min-width: 220px;
}

.hero-stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 2.5rem;
}

.hero-stats div {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(62, 224, 128, 0.12);
  border-radius: 28px;
  padding: 1.2rem;
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.12);
}

.hero-stats strong {
  display: block;
  font-size: 1.75rem;
  color: #fff;
}

.hero-stats span {
  display: block;
  margin-top: 0.45rem;
  color: var(--muted);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  width: min(360px, 100%);
  aspect-ratio: 0.6;
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.phone-frame {
  position: absolute;
  inset: 0;
  border-radius: 42px;
  border: 2px solid rgba(62, 224, 128, 0.28);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 40px 100px rgba(0, 255, 175, 0.08);
}

.phone-screen {
  position: absolute;
  inset: 18px;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(3, 18, 27, 0.95), rgba(6, 30, 55, 0.95));
  box-shadow: inset 0 0 60px rgba(0, 255, 170, 0.12);
}

.screen-glow {
  background: radial-gradient(circle at 50% 20%, rgba(62, 224, 128, 0.32), transparent 28%),
    radial-gradient(circle at 20% 70%, rgba(0, 255, 170, 0.16), transparent 18%),
    linear-gradient(180deg, rgba(23, 46, 66, 0.9), rgba(3, 15, 25, 0.98));
}

.hero-phone-overlay {
  position: absolute;
  inset: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
}

.phone-badge {
  align-self: flex-start;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: rgba(0, 255, 170, 0.12);
  color: #d8fff4;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.phone-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  background: rgba(7, 15, 26, 0.82);
  border: 1px solid rgba(62, 224, 128, 0.12);
  border-radius: 28px;
  padding: 1rem;
}

.phone-stats div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.phone-stats strong {
  color: #fff;
  font-size: 1rem;
}

.section-features {
  padding-top: 5rem;
}

.feature-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
  padding: 2rem;
  border-radius: 28px;
  background: rgba(6, 12, 23, 0.86);
  border: 1px solid rgba(62, 224, 128, 0.12);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.15);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(62, 224, 128, 0.28);
  box-shadow: 0 42px 90px rgba(0, 0, 0, 0.25);
}

.feature-icon {
  display: inline-flex;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  background: rgba(62, 224, 128, 0.12);
  color: #3ee080;
  font-size: 1.25rem;
}

.section-download,
.section-about,
.section-contact {
  padding-bottom: 5rem;
}

.download-grid,
.about-grid,
.contact-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.95fr);
}

.download-copy,
.contact-info,
.about-copy,
.highlight-card,
.screenshot-card {
  border-radius: 32px;
  background: rgba(7, 13, 24, 0.9);
  border: 1px solid rgba(62, 224, 128, 0.12);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.18);
}

.download-copy,
.about-copy,
.contact-info {
  padding: 2.4rem;
}

.download-meta {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 2rem 0;
}

.download-meta div {
  padding: 1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.download-meta strong {
  display: block;
  color: #fff;
  margin-bottom: 0.4rem;
}

.download-meta span {
  color: var(--muted);
}

.install-instructions h3 {
  margin-top: 2rem;
  color: #fff;
}

.install-instructions ol {
  margin: 1rem 0 0;
  padding-left: 1.3rem;
  list-style: decimal inside;
}

.download-preview {
  display: flex;
  justify-content: center;
}

.download-mockup {
  width: min(380px, 100%);
  aspect-ratio: 0.57;
  position: relative;
  animation: float 6.5s ease-in-out infinite;
}

.download-mockup .phone-screen {
  background: linear-gradient(180deg, rgba(4, 18, 34, 0.95), rgba(6, 31, 55, 0.98));
}

.screen-1,
.screen-2,
.screen-3 {
  position: absolute;
  inset: 18px;
  border-radius: 30px;
}

.screen-1 {
  background: radial-gradient(circle at 40% 30%, rgba(62, 224, 128, 0.2), transparent 37%),
    linear-gradient(180deg, rgba(7, 18, 31, 0.9), rgba(5, 12, 23, 0.95));
}

.screen-2 {
  top: 26px;
  left: 18px;
  right: 18px;
  bottom: 18px;
  background: radial-gradient(circle at 60% 30%, rgba(0, 255, 170, 0.16), transparent 30%),
    linear-gradient(180deg, rgba(6, 20, 38, 0.94), rgba(5, 10, 18, 0.98));
  opacity: 0.76;
}

.screen-3 {
  top: 42px;
  left: 22px;
  right: 22px;
  bottom: 22px;
  background: linear-gradient(180deg, rgba(7, 17, 35, 0.95), rgba(5, 13, 25, 0.96));
  opacity: 0.5;
}

.about-grid {
  grid-template-columns: 1.2fr 0.8fr;
}

.about-copy ul {
  margin: 1.8rem 0 0;
  padding-left: 1.3rem;
  list-style: disc inside;
}

.about-copy li {
  margin-bottom: 0.9rem;
}

.about-highlights {
  display: grid;
  gap: 1.5rem;
}

.highlight-card {
  padding: 1.8rem;
}

.highlight-card h3 {
  color: #fff;
  margin-bottom: 0.8rem;
}

.highlight-card p {
  margin: 0;
}

.contact-item {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  margin-top: 1.75rem;
  padding: 1.25rem 1.3rem;
  border-radius: 24px;
  background: rgba(62, 224, 128, 0.08);
  border: 1px solid rgba(62, 224, 128, 0.18);
  color: #fff;
}

.site-footer {
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: center;
}

.footer-brand {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.social-links {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.social-links a {
  color: var(--muted);
  transition: color 0.25s ease;
}

.social-links a:hover,
.social-links a:focus-visible {
  color: #fff;
}

.footer-bottom {
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 1.5rem;
  color: var(--muted);
  text-align: center;
}

.glass-card {
  background: rgba(6, 12, 23, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

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

@media (max-width: 1024px) {
  .hero-grid,
  .download-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    right: 1rem;
    top: 76px;
    flex-direction: column;
    align-items: flex-end;
    padding: 1rem 1.25rem;
    border-radius: 24px;
    background: rgba(6, 12, 23, 0.96);
    border: 1px solid rgba(62, 224, 128, 0.12);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    pointer-events: none;
  }

  .site-nav.open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-nav a {
    width: 100%;
    padding: 0.85rem 0;
  }

  .download-meta,
  .feature-grid,
  .about-highlights {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 560px) {
  .container {
    padding: 0 0.85rem;
  }

  .hero-text {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }
}
