:root {
  --btn-color: #2b8cee;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 3rem;
  padding: 0 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all 150ms ease;
  cursor: pointer;
}

.btn:focus-visible {
  outline: 2px solid var(--btn-color);
  outline-offset: 3px;
}

.btn-primary {
  background-color: var(--btn-color);
  color: #fff;
  box-shadow: 0 15px 30px rgba(43, 140, 238, 0.35);
}

.btn-primary:hover {
  background-color: #1f6fc5;
}

.btn-outline {
  border: 1px solid rgba(43, 140, 238, 0.4);
  color: var(--btn-color);
  background-color: transparent;
}

.btn-outline:hover {
  background-color: rgba(43, 140, 238, 0.08);
}

.dark .btn-outline {
  border-color: rgba(148, 163, 184, 0.6);
  color: #e2e8f0;
  background-color: rgba(15, 23, 42, 0.35);
}

.dark .btn-outline:hover {
  background-color: rgba(226, 232, 240, 0.1);
  color: #fff;
}

.page-layout {
  background: linear-gradient(180deg, #f8fafc 0%, #eef4ff 45%, #ffffff 100%);
}

.dark .page-layout {
  background: linear-gradient(180deg, #040812 0%, #0a1625 55%, #0c1826 100%);
}

.section-block {
  padding: clamp(3rem, 6vw, 5.5rem) 1.5rem;
}

.section-shell {
  width: min(1200px, 100%);
  margin: 0 auto;
}

.section-muted {
  background: rgba(255, 255, 255, 0.9);
}

.section-plain {
  background: transparent;
}

.dark .section-muted {
  background: rgba(9, 17, 29, 0.85);
}

.card-panel {
  box-shadow: rgba(15, 23, 42, 0.08) 0px 18px 35px;
  border-radius: 1.75rem;
  border-width: 1px;
  border-style: solid;
  border-color: rgba(15, 23, 42, 0.08);
  border-image: initial;
  padding: 1.75rem;
  background: inherit;
}

.card-panel.tight {
  padding: 1.25rem;
}

.dark .card-panel {
  border-color: rgba(148, 163, 184, 0.25);
}

.hero-wrap {
  border-radius: 2rem;
  background: linear-gradient(135deg, rgba(43, 140, 238, 0.12), rgba(255, 255, 255, 0));
}

.dark .hero-wrap {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.35), rgba(7, 13, 24, 0.6));
}

.hero-wrap img {
  filter: drop-shadow(0 25px 40px rgba(15, 23, 42, 0.25));
}

.icon-ring {
  width: 72px;
  height: 72px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(43, 140, 238, 0.12);
}

.dark .icon-ring {
  background: rgba(43, 140, 238, 0.22);
}

.pricing-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.pricing-card {
  position: relative;
}

.pricing-card.featured {
  border-width: 2px;
  box-shadow: 0 30px 60px rgba(43, 140, 238, 0.25);
}

.faq-card {
  border-radius: 1.5rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  padding: 1.5rem 1.75rem;
  background: rgba(255, 255, 255, 0.95);
}

.faq-card summary {
  font-weight: 600;
  cursor: pointer;
}

.faq-card p {
  margin-top: 0.65rem;
  line-height: 1.6;
}

.dark .faq-card {
  background: rgba(7, 12, 23, 0.8);
  border-color: rgba(148, 163, 184, 0.25);
}

.privacy-wrapper {
  background: radial-gradient(circle at top, rgba(43, 140, 238, 0.1), transparent 55%);
}

.privacy-card {
  border-radius: 1.5rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
}

.dark .privacy-card {
  border-color: rgba(148, 163, 184, 0.25);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.55);
}

.store-badge {
  display: inline-block;
  width: clamp(220px, 40vw, 360px);
  aspect-ratio: 2 / 1;
  background-image: url("../images/app-store-badge-og-twitter.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  transition: transform 150ms ease;
  cursor: pointer;
}

.store-badge:hover {
  transform: translateY(-3px) scale(1.01);
}