:root {
  --bg: #0b0b14;
  --fg: #e7e7ef;
  --muted: #a3a3b2;
  --card: #141424;
  --accent1: #7c5cff;
  --accent2: #7ad7ff;
  --accent3: #ff6ad5;
  --border: rgba(255, 255, 255, 0.08);
  --halo: radial-gradient(
    50% 50% at 50% 50%,
    rgba(124, 92, 255, 0.35),
    rgba(0, 0, 0, 0) 60%
  );
}
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, Noto Sans, sans-serif;
  color: var(--fg);
  background: linear-gradient(180deg, #09090f 0%, #0f1020 100%);
  line-height: 1.6;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
}

.btn {
  display: inline-block;
  padding: 14px 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent1), var(--accent3));
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.2px;
  box-shadow: 0 12px 30px rgba(124, 92, 255, 0.25);
  transition: 0.2s ease transform, opacity 0.2s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}
.btn.outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg);
  box-shadow: none;
}
.btn.small {
  padding: 10px 14px;
  font-size: 0.95rem;
}
.btn.ghost {
  background: transparent;
  border: 1px solid var(--border);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 9, 15, 0.6);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-family: Poppins, Inter, system-ui, sans-serif;
}
.brand img {
  width: 36px;
  height: 36px;
  border-radius: 999px;
}
.links {
  display: flex;
  gap: 18px;
  align-items: center;
}
.links a {
  color: var(--fg);
  text-decoration: none;
  opacity: 0.9;
}
.links a:hover {
  opacity: 1;
}

.hero {
  position: relative;
  padding: 72px 0 56px;
  overflow: hidden;
}
.halo {
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 120%;
  background: var(--halo);
  pointer-events: none;
  filter: blur(30px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-copy .eyebrow {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
}
.hero h1 {
  font-size: clamp(40px, 5vw, 60px);
  margin: 0 0 6px;
  line-height: 1.05;
}
.grad {
  background: linear-gradient(90deg, var(--accent2), var(--accent1));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.subtitle {
  margin: 0 0 8px;
  font-weight: 600;
  color: #d7d7e7;
}
.lead {
  color: var(--muted);
  max-width: 54ch;
}
.cta-row {
  display: flex;
  gap: 12px;
  margin: 18px 0 6px;
}
.fineprint {
  color: var(--muted);
  font-size: 0.9rem;
}
.hero-media .device {
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(124, 92, 255, 0.15);
}

.social {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #0f0f1a 0%, transparent 100%);
}
.center {
  text-align: center;
}
.social .logos {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px;
  align-items: center;
  justify-items: center;
  margin-top: 18px;
  opacity: 0.9;
}
.social .logos img {
  height: 34px;
  filter: grayscale(1) brightness(0.9);
}

.features {
  padding: 72px 0;
}
.features .grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  min-height: 160px;
}
.card.dark {
  background: linear-gradient(180deg, #141424 0%, #0b0b14 100%);
}
.card h4 {
  margin: 0 0 6px;
}
.card p {
  margin: 0;
  color: var(--muted);
}

.screens {
  padding: 32px 0 12px;
}
.screens-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.screens img {
  border-radius: 16px;
  border: 1px solid var(--border);
}

.ratings {
  padding: 40px 0;
}
.ratings-inner {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(
    90deg,
    rgba(124, 92, 255, 0.12),
    rgba(255, 106, 213, 0.12)
  );
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  flex-wrap: wrap;
}
.badge {
  font-size: 24px;
  letter-spacing: 0.25em;
}
.muted {
  color: var(--muted);
}

.cta {
  padding: 56px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, #141424 0%, #0b0b14 100%);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 26px;
  flex-wrap: wrap;
}
.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: #0a0a12;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 20px;
  align-items: start;
}
.footer .footer-brand img {
  width: 28px;
  height: 28px;
}
.footer a {
  color: var(--fg);
  text-decoration: none;
  opacity: 0.9;
}
.footer a:hover {
  opacity: 1;
}
.footer h5 {
  margin: 0 0 8px;
}

/* ------ MOBILE RESPONSIVE BELOW ------ */
.card-section {
  background: var(--card);
  border-radius: 20px;
  box-shadow: 0 4px 32px rgba(32, 40, 80, 0.13);
  padding: 56px 56px 44px 56px;
  margin: 40px 0;
}
@media (max-width: 900px) {
  .card-section {
    padding: 20px 4vw;
    border-radius: 16px;
    margin: 16px 0;
  }
}
@media (max-width: 600px) {
  .card-section {
    padding: 12px 2vw;
    border-radius: 10px;
    margin: 8px 0;
  }
}

.nav-inner {
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 0;
}
.links {
  gap: 10px;
  flex-wrap: wrap;
  font-size: 1rem;
}
.hero {
  padding: 38px 0 24px;
}
.hero-grid {
  grid-template-columns: 1fr;
  gap: 28px;
}
.hero-media {
  margin: 0 auto;
  max-width: 360px;
}
.features {
  padding: 36px 0;
}
.features .grid {
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.screens-inner {
  grid-template-columns: 1fr;
  gap: 10px;
}
.ratings-inner {
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 16px;
}
.cta-inner {
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: 14px;
}
.foot-grid {
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 600px) {
  .container {
    padding: 12px 2vw;
    margin: 12px 0;
    max-width: 100vw;
    border-radius: 0;
    box-shadow: none;
  }
  .hero {
    padding: 24px 0 10px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .features .grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .card {
    min-height: 120px;
    padding: 13px;
  }
  .screens-inner {
    grid-template-columns: 1fr;
    gap: 7px;
  }
  .ratings-inner {
    padding: 9px;
  }
  .cta-inner {
    padding: 8px;
  }
  .foot-grid {
    grid-template-columns: 1fr;
    gap: 9px;
  }
  .nav-inner {
    padding: 5px 0;
  }
  .brand img {
    width: 28px;
    height: 28px;
  }
  .footer {
    padding: 18px 0;
  }
}