:root {
  --bg-1: #f5f7fa;
  --bg-2: #ffffff;
  --card: #ffffff;
  --accent-1: #4f46e5;
  --accent-2: #ec4899;
  --accent-3: #22c55e;
  --text: #222222;
  --muted: #666666;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  --radius-xl: 18px;
  --outline: #e8eef7;
}

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

body {
  font-family: 'Poppins', system-ui, sans-serif;
  background: radial-gradient(900px 500px at -10% -20%, #ffffff 0%, transparent 65%),
              radial-gradient(1000px 600px at 110% -10%, #eaf1ff 0%, transparent 60%),
              linear-gradient(180deg, var(--bg-1), var(--bg-2));
  color: var(--text);
  overflow-x: hidden;
}

.container {
  max-width: 720px;
  margin: 12px auto 96px;
  padding: 0 16px;
}

.fa-brands, .fab {
font-weight: 400;
font-size: 22px;
}

/* HEADER */
.header {
  background: linear-gradient(135deg, #ffffff, #f6f9ff);
  border: 1px solid var(--outline);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.header::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: conic-gradient(from 0deg, #93c5fd22, #f0abfc22, #86efac22, #93c5fd22);
  filter: blur(8px);
  animation: spinBorder 6s linear infinite;
}
@keyframes spinBorder { to { transform: rotate(1turn); } }
.header-content { position: relative; z-index: 1; }
.app-icon { width: 90px; height: 90px; border-radius: 16px; box-shadow: 0 8px 22px rgba(0, 0, 0, 0.15); margin: 0 auto 12px; display: block; }
.app-title { font-size: 26px; font-weight: 800; margin-bottom: 6px; }
.app-subtitle { font-size: 14px; color: var(--muted); }

/* CARD */
.card {
  background: var(--card);
  border: 1px solid var(--outline);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 15px;
  margin: 24px 0;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, transparent 40%, #ffffff88 55%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.6s ease;
}
.card:hover::after { transform: translateX(120%); }

/* SCREENSHOTS */
.screenshots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5px !important;
  margin: 10px 0;
  perspective: 900px;
  position: relative;
}
.screenshot {
  width: 28%;
  min-width: 105px;
  max-width: 180px;
  aspect-ratio: 9/16;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--outline);
  background: #fff;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.screenshot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.screenshot.left { transform: rotateY(12deg) rotate(-2deg) translateY(4px); }
.screenshot.center { transform: translateZ(24px) scale(1.05); z-index: 2; }
.screenshot.right { transform: rotateY(-12deg) rotate(2deg) translateY(4px); }
.screenshot:hover { transform: translateY(-6px) scale(1.06); box-shadow: 0 20px 44px rgba(0, 0, 0, 0.22); }

.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border: none;
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(0,0,0,.2);
  width: 44px; height: 44px;
  cursor: pointer;
  font-size: 20px;
  z-index: 5;
}

em {
font-size: 12px;
font-weight: bold;
font-style: inherit;
}

.arrow.left { left: -10px; }
.arrow.right { right: -10px; }

/* BENEFITS */
.benefits { display: grid; gap: 12px; }
.benefit { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text); }
.benefit i { color: var(--accent-3); font-size: 16px; }

/* CTA */
.sticky-cta {
position: fixed;
left: 0px;
right: 0px;
bottom: 0;
padding: 15px;
background: #fff;
border-top: 1px solid #eee;
box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
backdrop-filter: blur(6px);
padding-bottom: 15px;
padding-left: 25px;
padding-right: 25px;
}
.cta {
  display: block;
  text-align: center;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #fff;
  padding: 14px;
  font-weight: 700;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(34, 197, 94, 0.35);
  transition: transform 0.3s ease;
}
.cta:hover { transform: translateY(-2px) scale(1.03); }

/* FOOTER */
.footer {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  margin-top: 32px;
  padding-bottom: 30px;
}