@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
  --glass-bg: rgba(255,255,255,0.32);
  --glass-bg-bold: rgba(255,255,255,0.52);
  --glass-outline: rgba(255,255,255,0.22);
  --main-gradient: linear-gradient(120deg, #c471f5, #fa71cd 80%);
  --blue: #4364f7;
  --blue2: #6fb1fc;
  --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

html, body {
  min-height: 100vh;
}

body {
  font-family: 'Inter', Arial, sans-serif;
  margin: 0;
  background: var(--main-gradient);
  color: #222;
  min-height: 100vh;
  background-attachment: fixed;
}

header {
  background: var(--glass-bg-bold);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1.5px solid var(--glass-outline);
  padding: 2em 1em 1.2em 1em;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: 0 0 32px 32px;
  margin-bottom: 2em;
}

header h1 {
  margin: 0 0 0.2em 0;
  letter-spacing: 2px;
  font-weight: 700;
  font-size: 2.4em;
  background: linear-gradient(90deg, #4364f7 20%, #c471f5 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

nav {
  display: flex;
  gap: 2em;
  margin-top: 0.5em;
}

nav a {
  color: #222;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1em;
  padding: 0.3em 1em;
  border-radius: 12px;
  transition: background 0.2s, color 0.2s;
}

nav a:hover, nav a.active {
  background: rgba(67,100,247,0.10);
  color: #c471f5;
}

main {
  max-width: 900px;
  margin: 2.5em auto 2em auto;
  padding: 2em;
  border-radius: 36px;
  background: var(--glass-bg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

section, ul {
  margin-bottom: 2em;
}

ul {
  padding-left: 1.5em;
}

.device-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2em;
  justify-content: center;
}

.device-card {
  background: var(--glass-bg);
  border-radius: 22px;
  box-shadow: 0 4px 24px 0 rgba(67, 100, 247, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid var(--glass-outline);
  padding: 2em 1.6em;
  min-width: 220px;
  max-width: 320px;
  flex: 1 1 260px;
  cursor: pointer;
  transition: transform 0.18s, box-shadow 0.18s, border 0.18s;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.device-card:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 12px 36px 0 rgba(67, 100, 247, 0.17);
  border: 1.5px solid var(--blue);
}

.device-card h3 {
  margin-top: 0;
  margin-bottom: 0.7em;
  font-size: 1.38em;
  font-weight: 700;
  color: #c471f5;
}

.device-card p {
  margin: 0.18em 0;
  color: #23272f;
}

.glass-section {
  background: var(--glass-bg);
  border-radius: 22px;
  box-shadow: 0 4px 24px 0 rgba(67, 100, 247, 0.07);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid var(--glass-outline);
  padding: 2em 1.6em;
  margin-bottom: 2em;
}

.download-link {
  display: inline-block;
  background: linear-gradient(90deg, #c471f5, #fa71cd);
  color: #fff;
  padding: 0.9em 1.5em;
  border-radius: 10px;
  text-decoration: none;
  font-weight: bold;
  margin-top: 1.2em;
  box-shadow: 0 4px 16px rgba(67, 100, 247, 0.12);
  font-size: 1.09em;
  transition: background 0.18s;
}

.download-link:hover {
  background: linear-gradient(90deg, #fa71cd 20%, #c471f5 80%);
}

.flash-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5em;
  margin-top: 1.5em;
}

.flash-card {
  background: var(--glass-bg-bold);
  border-left: 4px solid #c471f5;
  border-radius: 16px;
  padding: 1.3em 1em 1em 1.2em;
  min-width: 220px;
  max-width: 320px;
  box-shadow: 0 2px 10px rgba(67, 100, 247, 0.10);
  margin-bottom: 1em;
  flex: 1 1 240px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.flash-card-title {
  font-weight: 600;
  margin-bottom: 0.6em;
  color: #c471f5;
  font-size: 1.08em;
}

.wiki-note {
  color: #b71c1c;
  font-size: 1em;
  margin-top: 1.5em;
}

footer {
  text-align: center;
  background: var(--glass-bg-bold);
  color: #23272f;
  padding: 1.2em 0 1em 0;
  font-size: 1em;
  margin-top: 2em;
  border-radius: 32px 32px 0 0;
  box-shadow: 0 -3px 24px 0 rgba(67, 100, 247, 0.06);
}

@media (max-width: 700px) {
  main {
    padding: 1em;
  }
  .device-list, .flash-cards {
    flex-direction: column;
    gap: 1em;
  }
  .glass-section {
    padding: 1.1em 0.7em;
  }
}