/* ==========================================================================
   Systems Page Styles (assets/css/systems.css)
   ========================================================================== */

/* 1. Systems Hero & Fact Strip */
.sys-hero {
  padding: 100px 0 90px;
  overflow: hidden;
}

.sys-hero__inner {
  max-width: 900px;
}

.sys-hero__title {
  font-size: clamp(42px, 5.2vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.055em;
  color: #fff;
  margin: 0;
}

.sys-hero__lead {
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 19px;
  line-height: 1.7;
}

.sys-hero__facts {
  margin-top: 52px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.sys-fact__num {
  display: block;
  font-size: clamp(26px, 2.6vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: #fff;
  letter-spacing: -0.03em;
}

.sys-fact__num i {
  font-style: normal;
  font-size: 0.45em;
  color: var(--color-orange-500);
  margin-left: 4px;
  letter-spacing: 0;
}

.sys-fact__label {
  display: block;
  margin-top: 10px;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.46);
}

/* 2. Selection Factors */
.sys-factor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.sys-factor {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: transform 0.2s var(--ease-brand);
}

.sys-factor:hover {
  transform: translateY(-2px);
}

.sys-factor__no {
  display: inline-block;
  color: var(--color-orange-500);
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 14px;
}

.sys-factor h3 {
  font-size: 17px;
  color: var(--color-navy-900);
  margin: 0 0 10px;
}

.sys-factor p {
  color: var(--color-steel);
  font-size: 13px;
  line-height: 1.65;
}

/* 3. Product Tiers */
.sys-tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.sys-tier {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
}

.sys-tier__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 8px;
  background: var(--color-blue-100);
  color: var(--color-blue-600);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
}

.sys-tier h3 {
  font-size: 26px;
  line-height: 1.15;
  color: var(--color-navy-900);
  margin: 0 0 14px;
}

.sys-tier__desc {
  color: var(--color-steel);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 26px;
}

.sys-tier__meta {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
  display: grid;
  gap: 10px;
}

.sys-tier__meta-label {
  display: block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.sys-tier__meta-value {
  display: block;
  color: var(--color-graphite);
  font-size: 13px;
  line-height: 1.55;
}

/* 4. Product Families */
.sys-family-list {
  display: grid;
  gap: 0;
}

.sys-family {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) minmax(0, 1fr) 200px;
  gap: 40px;
  align-items: start;
  padding: 44px 0;
  border-top: 1px solid var(--color-line);
  transition: background-color 0.2s var(--ease-brand);
}

.sys-family:last-child {
  border-bottom: 1px solid var(--color-line);
}

.sys-family:hover {
  background: var(--color-surface);
}

.sys-family__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: 14px;
  transition: color 0.2s var(--ease-brand);
}

.sys-family:hover .sys-family__index {
  color: var(--color-orange-500);
}

.sys-family__tier {
  display: inline-block;
  padding: 4px 8px;
  background: var(--color-blue-100);
  color: var(--color-blue-600);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.sys-family__name {
  font-size: 24px;
  line-height: 1.2;
  color: var(--color-navy-900);
  margin: 0 0 12px;
}

.sys-family__summary {
  color: var(--color-steel);
  font-size: 14px;
  line-height: 1.7;
}

.sys-family__label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: 0 0 14px;
}

.sys-family__list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-graphite);
  font-weight: 500;
}

.sys-family__list li:last-child {
  margin-bottom: 0;
}

.sys-family__list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-orange-500);
}

.sys-family__cap {
  min-width: 0;
}

.sys-family__capnum {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--color-navy-900);
  letter-spacing: -0.03em;
}

.sys-family__capunit {
  display: block;
  margin-top: 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-orange-500);
}

.sys-family__capnote {
  display: block;
  margin-top: 8px;
  font-size: 10px;
  line-height: 1.5;
  color: var(--color-muted);
}

.sys-banner {
  margin-top: 48px;
}

/* 5. Capacity Matrix */
.sys-capacity__wrapper {
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  margin-top: 16px;
}

.sys-capacity__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  color: #fff;
  font-size: 14px;
}

.sys-capacity__table th,
.sys-capacity__table td {
  padding: 20px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  text-align: left;
  vertical-align: middle;
}

.sys-capacity__table th {
  background: rgba(255, 255, 255, 0.05);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.sys-capacity__table td strong {
  color: #fff;
  font-weight: 600;
}

.sys-capacity__tier {
  color: #9BC8E8;
  font-weight: 600;
}

.sys-capacity__val {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

.sys-capacity__note {
  display: block;
  margin-top: 4px;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-orange-500);
}

.sys-capacity__footnote {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 10px;
  line-height: 1.6;
}

/* 6. Closing CTA — breathing room aligned with the shared CTA scale */
.sys-cta {
  padding-block: clamp(80px, 9vw, 128px);
}

.sys-cta__panel {
  background: var(--color-navy-900);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(48px, 6vw, 76px) clamp(36px, 5vw, 68px);
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 56px;
  align-items: center;
  box-shadow: var(--shadow-soft);
}

.sys-cta__content h2 {
  font-size: clamp(32px, 3.6vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: #fff;
  margin: 0;
  font-weight: 700;
}

.sys-cta__content p {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.75;
  max-width: 620px;
}

.sys-cta__action {
  justify-self: end;
  min-width: 0;
}

.sys-cta__action .btn {
  width: auto;
  max-width: 100%;
  min-height: 54px;
  padding: 0 32px;
  font-size: 13px;
  letter-spacing: 0.09em;
  white-space: nowrap;
}

/* Responsive Overrides */
@media (max-width: 1040px) {
  .sys-hero {
    padding: 72px 0 64px;
  }
  .sys-hero__facts {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  .sys-factor-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sys-tier-grid {
    grid-template-columns: 1fr;
  }
  .sys-family {
    grid-template-columns: 1fr 1fr;
    gap: 28px 32px;
    padding: 36px 0;
  }
  .sys-family__main {
    grid-column: 1 / -1;
  }
  .sys-family__cap {
    grid-column: 1 / -1;
  }
  .sys-cta {
    padding-block: var(--space-24);
  }
  .sys-cta__panel {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 32px;
  }
  .sys-cta__action {
    justify-self: start;
  }
}

@media (max-width: 680px) {
  .sys-hero {
    padding: 56px 0 48px;
  }
  .sys-hero__title {
    font-size: 36px;
  }
  .sys-hero__lead {
    font-size: 16px;
  }
  .sys-factor-grid,
  .sys-tier-grid {
    grid-template-columns: 1fr;
  }
  .sys-family {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0;
  }
  .sys-family:hover {
    background: transparent;
  }
  .sys-family__main,
  .sys-family__cap {
    grid-column: auto;
  }
  .sys-capacity__table th,
  .sys-capacity__table td {
    padding: 14px 16px;
  }
  .sys-capacity__table {
    font-size: 13px;
  }
  .sys-cta {
    padding-block: 64px;
  }
  .sys-cta__panel {
    padding: 32px 20px;
  }
}