/* صفحه دانلود نرم‌افزار — تم روشن */
.sd-page {
  --sd-bg: #f4f7fb;
  --sd-card: #ffffff;
  --sd-line: #e2e8f0;
  --sd-text: #0f172a;
  --sd-muted: #64748b;
  --sd-accent: #0ea5e9;
  --sd-accent-2: #6366f1;
  --sd-ok: #059669;
  --sd-warn: #d97706;
  min-height: 100vh;
  background:
    radial-gradient(900px 420px at 90% -10%, rgba(14, 165, 233, 0.1), transparent 55%),
    radial-gradient(700px 380px at 0% 20%, rgba(99, 102, 241, 0.08), transparent 50%),
    linear-gradient(180deg, #f8fafc 0%, #eef2ff 45%, #f4f7fb 100%);
  color: var(--sd-text);
  font-family: IranSans, Tahoma, sans-serif;
}

.sd-page > .crm-offline-banner {
  z-index: 40;
}

.sd-top {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.sd-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}
.sd-brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
}
.sd-brand strong { display: block; font-size: 15px; }
.sd-brand small { color: var(--sd-muted); font-size: 12px; }

.sd-back {
  color: var(--sd-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}
.sd-back:hover { color: var(--sd-text); }

.sd-hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 20px 18px;
}
.sd-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #0f172a;
}
.sd-hero p {
  margin: 0;
  max-width: 46rem;
  color: var(--sd-muted);
  line-height: 1.8;
  font-size: 15px;
}
.sd-meta {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sd-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--sd-line);
  background: #fff;
  color: var(--sd-muted);
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.sd-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px 20px 40px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.sd-card {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid var(--sd-line);
  background: var(--sd-card);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
  padding: 22px;
  display: flex;
  flex-direction: column;
  min-height: 230px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.sd-card:hover {
  transform: translateY(-2px);
  border-color: rgba(14, 165, 233, 0.35);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.09);
}
.sd-card__glow {
  position: absolute;
  inset-inline-end: -40px;
  top: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,165,233,.12), transparent 70%);
  pointer-events: none;
}
.sd-card__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.sd-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, rgba(14,165,233,.14), rgba(99,102,241,.14));
  color: #0369a1;
  font-size: 22px;
}
.sd-card__title { margin: 0; font-size: 1.15rem; color: #0f172a; }
.sd-card__sub { margin: 2px 0 0; color: var(--sd-muted); font-size: 13px; }
.sd-card__body {
  flex: 1;
  color: var(--sd-muted);
  font-size: 13px;
  line-height: 1.75;
}
.sd-card__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.sd-card__actions--dual .sd-btn--primary { flex: 1 1 100%; justify-content: center; }
.sd-btn {
  appearance: none;
  border: 0;
  border-radius: 14px;
  padding: 11px 16px;
  font: inherit;
  font-weight: 800;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.sd-btn--primary {
  background: linear-gradient(135deg, var(--sd-accent), var(--sd-accent-2));
  color: #fff;
  box-shadow: 0 8px 18px rgba(14, 165, 233, 0.25);
}
.sd-btn--ghost {
  background: #f8fafc;
  color: var(--sd-text);
  border: 1px solid var(--sd-line);
}
.sd-btn[disabled],
.sd-btn.is-disabled {
  opacity: .45;
  pointer-events: none;
}

.sd-note {
  max-width: 1100px;
  margin: 0 auto 48px;
  padding: 0 20px;
}
.sd-note__box {
  border-radius: 18px;
  border: 1px solid var(--sd-line);
  background: #fff;
  padding: 18px 20px;
  color: var(--sd-muted);
  font-size: 13px;
  line-height: 1.8;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
}
.sd-note__box strong { color: var(--sd-text); }

.sd-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 16px;
  color: var(--sd-muted);
}

@media (max-width: 820px) {
  .sd-grid { grid-template-columns: 1fr; }
  .sd-top { padding-top: 16px; }
  .sd-hero { padding-top: 24px; }
  .sd-page { padding-bottom: 96px; }
}