/* ============================================================
   system-requirements.css — System requirements page styles
   ============================================================ */

.sysreq-page {
  min-height: 100svh;
  background:
    radial-gradient(circle at 8% 8%, color-mix(in srgb, var(--c-green) 18%, transparent), transparent 34%),
    radial-gradient(circle at 92% 8%, color-mix(in srgb, var(--c-accent) 11%, transparent), transparent 32%),
    linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-alt) 100%);
}

.sysreq-hero {
  padding-top: calc(var(--nav-h) + clamp(52px, 7vw, 96px));
  padding-bottom: clamp(44px, 7vw, 84px);
  position: relative;
  overflow: hidden;
}

.sysreq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.55), transparent 74%);
}

.sysreq-hero__content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.sysreq-kicker {
  margin: 0 0 12px;
  color: var(--c-green);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

[dir="rtl"] .sysreq-kicker {
  letter-spacing: 0;
}

.sysreq-title {
  margin: 0;
  color: var(--c-text);
  font-size: clamp(2.2rem, 5.6vw, 5rem);
  line-height: 1.04;
  letter-spacing: -.045em;
}

[dir="rtl"] .sysreq-title {
  letter-spacing: 0;
}

.sysreq-lead {
  max-width: 780px;
  margin: 18px 0 0;
  color: var(--c-text-muted);
  line-height: 1.9;
  font-size: clamp(1rem, 1.55vw, 1.15rem);
}

.sysreq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.sysreq-section {
  padding: clamp(46px, 7vw, 86px) 0;
}

.sysreq-notice {
  margin-top: -28px;
  position: relative;
  z-index: 2;
}

.sysreq-notice__box {
  padding: 20px 22px;
  border-radius: 20px;
  border: 1px solid color-mix(in srgb, var(--c-accent) 34%, var(--c-border));
  background:
    radial-gradient(circle at 12% 10%, color-mix(in srgb, var(--c-accent) 16%, transparent), transparent 34%),
    linear-gradient(135deg, color-mix(in srgb, var(--c-surface, var(--c-card)) 96%, transparent), color-mix(in srgb, var(--c-bg) 94%, transparent));
  box-shadow: var(--shadow-xs);
}

.sysreq-notice__box h2 {
  margin: 0;
  color: var(--c-text);
  font-size: 1.15rem;
}

.sysreq-notice__box p {
  margin: 8px 0 0;
  color: var(--c-text-muted);
  line-height: 1.8;
}

.sysreq-section__title {
  margin: 0 0 24px;
  color: var(--c-text);
  font-size: clamp(1.65rem, 3.7vw, 3rem);
  line-height: 1.12;
}

.sysreq-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-border);
  border-radius: 22px;
  background: var(--c-surface, var(--c-card));
  box-shadow: var(--shadow-md);
}

.sysreq-table {
  width: 100%;
  min-width: 1060px;
  border-collapse: collapse;
}

.sysreq-table th,
.sysreq-table td {
  padding: 16px 14px;
  border-bottom: 1px solid var(--c-border);
  text-align: start;
  vertical-align: top;
  line-height: 1.65;
}

.sysreq-table th {
  background: color-mix(in srgb, var(--c-green) 9%, var(--c-bg));
  color: var(--c-text);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  white-space: nowrap;
}

[dir="rtl"] .sysreq-table th {
  letter-spacing: 0;
}

.sysreq-table td {
  color: var(--c-text-muted);
}

.sysreq-table tr:last-child td {
  border-bottom: 0;
}

.sysreq-tier {
  color: var(--c-text) !important;
  font-weight: 900;
  white-space: nowrap;
}

.sysreq-target {
  color: var(--c-green-dark) !important;
  font-weight: 800;
  white-space: nowrap;
}

.sysreq-notes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.sysreq-note {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid var(--c-border);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--c-surface, var(--c-card)) 96%, transparent), color-mix(in srgb, var(--c-bg) 94%, transparent));
  box-shadow: var(--shadow-xs);
}

.sysreq-note__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--c-green-subtle);
  font-size: 1.35rem;
  margin-bottom: 14px;
}

.sysreq-note h3 {
  margin: 0;
  color: var(--c-text);
  font-size: 1.08rem;
}

.sysreq-note p {
  margin: 10px 0 0;
  color: var(--c-text-muted);
  line-height: 1.75;
}

.sysreq-split {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: start;
}

.sysreq-options,
.sysreq-faq-card {
  padding: clamp(22px, 4vw, 34px);
  border-radius: 24px;
  border: 1px solid var(--c-border);
  background: var(--c-surface, var(--c-card));
  box-shadow: var(--shadow-xs);
}

.sysreq-options h2,
.sysreq-faq-card h2 {
  margin: 0 0 18px;
  color: var(--c-text);
  font-size: clamp(1.25rem, 2.6vw, 2rem);
}

.sysreq-options ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
}

.sysreq-options li {
  position: relative;
  padding: 11px 12px 11px 34px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--c-bg) 92%, transparent);
  color: var(--c-text-muted);
  line-height: 1.55;
}

[dir="rtl"] .sysreq-options li {
  padding: 11px 34px 11px 12px;
}

.sysreq-options li::before {
  content: "✓";
  position: absolute;
  inset-inline-start: 12px;
  color: var(--c-green);
  font-weight: 900;
}

.sysreq-faq {
  display: grid;
  gap: 10px;
}

.sysreq-faq details {
  border: 1px solid var(--c-border);
  border-radius: 16px;
  background: color-mix(in srgb, var(--c-bg) 94%, transparent);
  overflow: hidden;
}

.sysreq-faq summary {
  cursor: pointer;
  padding: 14px 16px;
  color: var(--c-text);
  font-weight: 800;
  list-style: none;
}

.sysreq-faq summary::-webkit-details-marker {
  display: none;
}

.sysreq-faq p {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--c-text-muted);
  line-height: 1.75;
}

.sysreq-disclaimer {
  padding: clamp(22px, 4vw, 34px);
  border-radius: 24px;
  color: #fff;
  background:
    radial-gradient(circle at 12% 10%, rgba(111,174,60,.18), transparent 36%),
    linear-gradient(135deg, #07090d 0%, #101722 100%);
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: var(--shadow-md);
}

.sysreq-disclaimer h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(1.35rem, 2.8vw, 2.2rem);
}

.sysreq-disclaimer p {
  margin: 12px 0 0;
  color: rgba(255,255,255,.72);
  line-height: 1.85;
}

@media (max-width: 1040px) {
  .sysreq-notes,
  .sysreq-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sysreq-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .sysreq-actions .btn {
    width: 100%;
  }

  .sysreq-notes,
  .sysreq-options ul {
    grid-template-columns: 1fr;
  }
}