:root {
  color-scheme: light;
  --bg: #f8fafc;
  --card: rgba(255, 255, 255, 0.95);
  --card-soft: #ffffff;
  --border: rgba(15, 23, 42, 0.08);
  --text: #0f172a;
  --text-muted: #475569;
  --accent: #0f172a;
  --shadow: 0 35px 65px rgba(15, 23, 42, 0.15);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 20% 20%, #ffffff, #f1f5f9 45%, #e2e8f0 100%);
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(226, 232, 240, 0.9));
  filter: blur(1px);
  animation: floatBG 18s ease-in-out infinite alternate, gradientShift 30s ease-in-out infinite alternate;
}

@keyframes floatBG {
  0% {
    transform: translate3d(-20px, -10px, 0);
  }
  100% {
    transform: translate3d(20px, 10px, 0);
  }
}

@keyframes gradientShift {
  0% {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(226, 232, 240, 0.9));
  }
  50% {
    background: linear-gradient(155deg, rgba(255, 255, 255, 0.95), rgba(226, 232, 240, 0.6));
  }
  100% {
    background: linear-gradient(125deg, rgba(247, 250, 255, 0.95), rgba(229, 233, 240, 0.7));
  }
}

main {
  flex: 1;
}

.container {
  width: min(1100px, 100%);
  margin: 0 auto;
  padding: 3rem 1.25rem;
}

header,
footer {
  width: 100%;
  padding: 1.25rem 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header {
  position: sticky;
  top: 0;
  background: rgba(246, 247, 251, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

header a,
footer a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
}

header nav a {
  padding-bottom: 0.6rem;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  align-items: center;
  margin-top: 2rem;
}

.hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero__text h1 {
  font-size: clamp(3rem, 5vw, 4rem);
  margin: 0 0 1rem;
}

.hero__text p {
  margin: 0 0 2rem;
  max-width: 45ch;
  color: var(--text-muted);
}

.hero__stats {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.hero__stats article {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  background: var(--card-soft);
}

.hero__stats strong {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.hero__stats p {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
}

.app-store-badge {
  display: inline-flex;
  width: 200px;
  height: 64px;
  border-radius: 20px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
  overflow: hidden;
  position: relative;
}

.app-store-badge img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 2.5rem;
  margin-top: 3rem;
  box-shadow: var(--shadow);
}

.section-card h2 {
  margin-top: 0;
}

.section-card p {
  color: var(--text-muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.card-grid article {
  background: #ffffff;
  border-radius: 16px;
  padding: 1.75rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  min-height: 200px;
  display: flex;
  flex-direction: column;
}

.card-grid strong {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.card-grid p {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.5;
}

.hero__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  max-width: 420px;
  width: min(360px, 90vw);
  margin: 0 auto;
}

.hero-image {
  width: min(360px, 90vw);
  max-width: 360px;
  border-radius: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--card);
  display: block;
}

img {
  max-width: 100%;
  height: auto;
}

.app-store-badge::after {
  content: '';
  position: absolute;
  inset: -20%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.7), transparent 70%);
  filter: blur(18px);
  opacity: 0.8;
  animation: glareSpin 3.8s linear infinite;
  pointer-events: none;
}

.app-store-badge::before {
  content: '';
  position: absolute;
  inset: -40%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.4), transparent 65%);
  opacity: 0.5;
  animation: glareShift 6s ease-in-out infinite alternate;
}

@keyframes glareSpin {
  0% {
    transform: rotate(0deg) scale(1);
  }
  100% {
    transform: rotate(360deg) scale(1.05);
  }
}

@keyframes glareShift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(-10px, -8px, 0) scale(1.1);
  }
}

footer {
  margin-top: auto;
  padding-bottom: 2rem;
  border-top: 1px solid var(--border);
  background: rgba(246, 247, 251, 0.8);
}

footer p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  header,
  footer {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
    padding: 1rem 1.25rem 0;
  }
  .section-card {
    padding: 2rem;
  }
}