:root {
  color-scheme: light;
  --bg: #f5f5f2;
  --bg-accent: #e6e4df;
  --text: #1b1b1a;
  --muted: #585754;
  --card: #ffffff;
  --border: rgba(27, 27, 26, 0.12);
  --shadow: 0 10px 30px rgba(27, 27, 26, 0.08);
  --focus: #1f6feb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, var(--bg-accent), var(--bg) 60%);
  display: flex;
  flex-direction: column;
}

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 24px 80px;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.header {
  margin-bottom: 36px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 3vw, 2.6rem);
}

.subtitle {
  margin: 0;
  font-size: 1rem;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.card:hover,
.card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(31, 111, 235, 0.35);
  box-shadow: 0 12px 28px rgba(27, 27, 26, 0.14);
  outline: none;
}

.card:focus-visible {
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.2), 0 12px 28px rgba(27, 27, 26, 0.14);
}

.icon {
  width: 28px;
  height: 28px;
  color: #6b6a66;
}

.icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.icon-lock .lock-shackle {
  transform-origin: 12px 10px;
  transition: transform 220ms ease;
}

.card:hover .icon-lock .lock-shackle,
.card:focus-visible .icon-lock .lock-shackle {
  transform: translateY(-2px) rotate(-12deg);
}

.icon-qr .qr-scan {
  opacity: 0;
  transition: opacity 120ms ease;
}

.card:hover .icon-qr .qr-scan,
.card:focus-visible .icon-qr .qr-scan {
  opacity: 1;
  animation: qr-scan 700ms ease-in-out infinite;
}

.icon-check .check-stroke {
  stroke-dasharray: 20;
  stroke-dashoffset: 20;
  transition: stroke-dashoffset 260ms ease;
}

.card:hover .icon-check .check-stroke,
.card:focus-visible .icon-check .check-stroke {
  stroke-dashoffset: 0;
}

.icon-image .image-sun {
  transition: transform 320ms ease;
}

.card:hover .icon-image .image-sun,
.card:focus-visible .icon-image .image-sun {
  transform: translateX(8px);
}

@keyframes qr-scan {
  0% {
    transform: translateY(-4px);
  }
  50% {
    transform: translateY(4px);
  }
  100% {
    transform: translateY(-4px);
  }
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--muted);
}

.footer {
  margin-top: auto;
  padding-top: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-sep {
  opacity: 0.5;
}

.footer-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 150ms ease;
}

.footer-link:hover,
.footer-link:focus-visible {
  border-color: currentColor;
  outline: none;
}

@media (max-width: 520px) {
  .page {
    padding: 48px 18px 64px;
  }
  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .footer-sep {
    display: none;
  }
}