.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 14px;
  font-weight: 700;
  transition: 0.2s ease;
  border: 1px solid transparent;
  text-align: center;
}

.btn--primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #03110b;
  box-shadow: 0 18px 36px rgba(21, 201, 107, 0.24);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(21, 201, 107, 0.35);
}

.btn--secondary {
  border-color: rgba(97, 211, 255, 0.22);
  color: white;
  background: rgba(10, 18, 32, 0.75);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(97, 211, 255, 0.42);
}

.btn--ghost {
  border-color: rgba(255,255,255,0.08);
  color: var(--text-soft);
  background: rgba(255,255,255,0.03);
}

.card-grid {
  display: grid;
  gap: 18px;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
}

.card::after {
  content: "";
  position: absolute;
  inset: auto -20% -60% auto;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(97, 211, 255, 0.08), transparent 70%);
  pointer-events: none;
}

.card__eyebrow {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(86, 230, 147, 0.08);
  border: 1px solid rgba(86, 230, 147, 0.14);
  color: var(--brand);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.card h3,
.card h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.card p,
.card li {
  color: var(--text-soft);
}

.card__stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.list-checks {
  display: grid;
  gap: 10px;
}

.list-checks li {
  padding-left: 20px;
  position: relative;
}

.list-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: 0 0 12px rgba(86, 230, 147, 0.45);
}

.metrics-grid,
.features-grid,
.quick-links,
.devices-grid,
.trust-grid,
.notice-grid,
.content-grid,
.support-grid,
.apps-grid,
.help-grid,
.topic-grid,
.section-grid {
  display: grid;
  gap: 18px;
}

.comparison-table-wrap {
  overflow: auto;
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: rgba(7, 13, 23, 0.82);
  box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  text-align: left;
  min-width: 180px;
}
.comparison-table th:first-child,
.comparison-table td:first-child { min-width: 220px; }
.comparison-table thead th {
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-soft);
  background: rgba(6, 11, 20, 0.95);
}
.comparison-table tbody td:nth-child(2) { color: white; font-weight: 600; }

.steps {
  display: grid;
  gap: 16px;
}
.step {
  display: grid;
  gap: 14px;
  grid-template-columns: auto 1fr;
  align-items: start;
  padding: 20px;
  border-radius: 20px;
  background: rgba(10, 17, 29, 0.84);
  border: 1px solid rgba(97, 211, 255, 0.12);
}
.step__number {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(86, 230, 147, 0.18), rgba(97, 211, 255, 0.18));
  border: 1px solid rgba(97, 211, 255, 0.18);
  font-weight: 800;
}
.step h3 { margin-bottom: 6px; }

.plan-grid {
  display: grid;
  gap: 18px;
}
.plan-card {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border-radius: 26px;
  background: rgba(8, 14, 25, 0.92);
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: var(--shadow);
}
.plan-card--featured {
  border-color: rgba(86, 230, 147, 0.4);
  background: linear-gradient(180deg, rgba(9, 20, 34, 0.96), rgba(9, 17, 27, 0.98));
}
.plan-card__label {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(97, 211, 255, 0.18);
  color: var(--accent);
}
.plan-card--featured .plan-card__label {
  color: var(--brand);
  border-color: rgba(86, 230, 147, 0.22);
  background: rgba(86, 230, 147, 0.08);
}
.plan-card h3 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}
.plan-card__price {
  font-size: 2.8rem;
  line-height: 1;
  letter-spacing: -0.05em;
  margin-bottom: 8px;
}
.plan-card__period {
  color: var(--text-soft);
  font-size: 1rem;
}
.plan-card__description {
  margin-top: 12px;
  margin-bottom: 18px;
  color: var(--text-soft);
}
.plan-card__footer { margin-top: 18px; }

.quick-card,
.notice-card,
.content-card,
.app-card,
.help-card,
.stat-card,
.topic-card {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border-radius: 22px;
  background: rgba(9, 17, 30, 0.88);
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: var(--shadow);
}

.quick-card h3,
.notice-card h3,
.content-card h3,
.app-card h3,
.help-card h3,
.topic-card h3 {
  margin-bottom: 8px;
}

.notice-card__meta,
.content-card__meta,
.app-card__meta {
  color: var(--accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 10px;
}

.notice-card[data-level="Urgente"] { border-color: rgba(255,123,123,0.24); }
.notice-card[data-level="Importante"] { border-color: rgba(255,209,102,0.24); }
.notice-card[data-level="Informativo"] { border-color: rgba(97,211,255,0.16); }

.accordion {
  display: grid;
  gap: 12px;
}

.accordion-item {
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(10, 18, 31, 0.86);
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  color: white;
  font-weight: 700;
}

.accordion-trigger::after {
  content: '+';
  font-size: 1.4rem;
  line-height: 1;
  color: var(--brand);
}

.accordion-item.is-open .accordion-trigger::after { content: '–'; }

.accordion-panel {
  display: none;
  padding: 0 20px 18px;
  color: var(--text-soft);
}

.accordion-item.is-open .accordion-panel { display: block; }

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(8, 16, 28, 0.9);
  border: 1px solid rgba(97, 211, 255, 0.12);
  color: var(--text-soft);
  font-weight: 600;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.section-anchor-offset { scroll-margin-top: calc(var(--header-height) + 18px); }

@media (min-width: 700px) {
  .metrics-grid,
  .devices-grid,
  .content-grid,
  .topic-grid,
  .help-grid,
  .quick-links,
  .apps-grid,
  .section-grid,
  .trust-grid,
  .notice-grid,
  .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plan-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 960px) {
  .metrics-grid,
  .features-grid,
  .quick-links,
  .devices-grid,
  .trust-grid,
  .support-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .notice-grid,
  .content-grid,
  .apps-grid,
  .topic-grid,
  .help-grid,
  .section-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}