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

:root {
  --bg: #020617;
  --bg-2: #071428;
  --card: rgba(15, 23, 42, 0.72);
  --card-2: rgba(2, 6, 23, 0.72);
  --border: rgba(56, 189, 248, 0.22);
  --border-strong: rgba(56, 189, 248, 0.5);
  --text: #f8fafc;
  --muted: #b6c2d4;
  --blue: #38bdf8;
  --blue-deep: #2563eb;
  --shadow: rgba(56, 189, 248, 0.25);
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.18), transparent 28%),
    radial-gradient(circle at 12% 28%, rgba(37, 99, 235, 0.18), transparent 32%),
    radial-gradient(circle at 90% 68%, rgba(124, 58, 237, 0.12), transparent 30%),
    linear-gradient(180deg, #020617 0%, #071428 100%);
  display: flex;
  justify-content: center;
  padding: 28px 18px 34px;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(56, 189, 248, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 72%);
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  width: 380px;
  height: 380px;
  top: 4%;
  right: -120px;
  opacity: 0.38;
  pointer-events: none;
  background:
    radial-gradient(circle, transparent 46%, rgba(56, 189, 248, 0.25) 47%, transparent 49%),
    conic-gradient(from 90deg, transparent, rgba(56, 189, 248, 0.2), transparent, rgba(37, 99, 235, 0.16), transparent);
  border-radius: 50%;
  filter: blur(1px);
  z-index: -1;
}

.page-shell {
  width: 100%;
  max-width: 440px;
  animation: rise 0.6s ease both;
}

@keyframes rise {
  from {
    transform: translateY(12px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.hero {
  text-align: center;
  padding: 6px 0 24px;
}

.hero-tight {
  padding-top: 4px;
}

.logo-wrap {
  width: 104px;
  height: 104px;
  margin: 0 auto 18px;
  padding: 3px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep), #7c3aed);
  box-shadow: 0 0 45px rgba(56, 189, 248, 0.35);
}

.logo {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.16), transparent 28%),
    linear-gradient(135deg, #020617, #0f172a);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  letter-spacing: -1px;
  font-weight: 900;
  color: white;
}

.logo-img {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 18px;
  display: block;
  border: 2px solid rgba(56, 189, 248, 0.85);
  box-shadow: 0 0 45px rgba(56, 189, 248, 0.35);
}

.eyebrow {
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 8px;
}

h1 {
  font-size: clamp(38px, 10vw, 54px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin-bottom: 12px;
}

h1 span {
  color: var(--blue);
  text-shadow: 0 0 24px rgba(56, 189, 248, 0.45);
}

.subtitle {
  color: var(--muted);
  line-height: 1.5;
  font-size: 16px;
  max-width: 350px;
  margin: 0 auto 20px;
}

.discount-pill {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 390px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--border-strong);
  background: rgba(14, 165, 233, 0.12);
  color: #e0f2fe;
  font-weight: 700;
  box-shadow: inset 0 0 24px rgba(56, 189, 248, 0.08);
}

.discount-pill strong {
  color: var(--blue);
}

.links {
  display: grid;
  gap: 16px;
}

.resource-card,
.note-card {
  width: 100%;
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.15);
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.58)),
    radial-gradient(circle at 0% 0%, rgba(56, 189, 248, 0.12), transparent 30%);
  color: var(--text);
  text-decoration: none;
  padding: 20px;
  min-height: 98px;
  display: grid;
  grid-template-columns: 52px 1fr auto;
  align-items: center;
  gap: 14px;
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.resource-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 0 34px var(--shadow);
}

.icon {
  width: 52px;
  height: 52px;
  border-radius: 17px;
  background: rgba(56, 189, 248, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
}

.card-copy h2,
.note-card h2 {
  font-size: 20px;
  line-height: 1.1;
  margin-bottom: 6px;
  letter-spacing: -0.03em;
}

.card-copy p,
.note-card p {
  color: var(--muted);
  line-height: 1.42;
  font-size: 14px;
}

.arrow {
  color: var(--blue);
  font-size: 42px;
  line-height: 1;
  padding-left: 4px;
}

.back-link {
  display: inline-flex;
  color: #bfdbfe;
  text-decoration: none;
  font-weight: 800;
  margin-bottom: 18px;
}

.back-link:hover {
  color: var(--blue);
}

.note-card {
  grid-template-columns: 52px 1fr;
  border-color: rgba(124, 58, 237, 0.28);
  background:
    linear-gradient(135deg, rgba(30, 41, 59, 0.85), rgba(15, 23, 42, 0.72)),
    radial-gradient(circle at 0% 0%, rgba(124, 58, 237, 0.18), transparent 35%);
}

footer {
  text-align: center;
  margin-top: 28px;
  color: rgba(203, 213, 225, 0.62);
  font-size: 12px;
  line-height: 1.55;
}

@media (max-width: 420px) {
  body {
    padding: 22px 14px 30px;
  }

  .resource-card,
  .note-card {
    grid-template-columns: 44px 1fr auto;
    border-radius: 22px;
    padding: 17px;
  }

  .icon {
    width: 44px;
    height: 44px;
    font-size: 25px;
    border-radius: 15px;
  }

  .card-copy h2,
  .note-card h2 {
    font-size: 18px;
  }
}


.sub-note {
  text-align: center;
  margin-top: 14px;
  color: #7fbfff;
  font-size: 14px;
  opacity: .92;
}

.sub-note strong {
  color: #38bdf8;
}
