/* ============================================================
   Plan V — Product Sheet Stylesheet
   Extends css/style.css — load AFTER it
   ============================================================ */

/* ── PRODUCT SHEET NAV ── */
.ps-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.ps-nav-left { display: flex; align-items: center; gap: 40px; }
.ps-nav-back {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color .2s;
}
.ps-nav-back:hover { color: var(--accent); }
.ps-nav-divider {
  width: 1px; height: 20px;
  background: var(--border);
}
.ps-nav-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.5;
}
.ps-nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* ── HERO ── */
.ps-hero {
  padding-top: 72px;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

.ps-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(204,17,17,0.05) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(204,17,17,0.03) 0%, transparent 60%);
  pointer-events: none;
}

.ps-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
}

.ps-hero-left {
  padding: 80px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
  border-right: 1px solid var(--border);
}

.ps-hero-right {
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  position: relative;
  z-index: 2;
  overflow: hidden;
}

.ps-hero-right::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 50% 50%, rgba(204,17,17,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.ps-product-img {
  max-width: 100%;
  max-height: 460px;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.8));
  transition: transform .4s ease;
}
.ps-product-img:hover { transform: scale(1.02); }

.ps-product-num {
  font-family: var(--font-display);
  font-size: 160px;
  line-height: 1;
  color: rgba(255,255,255,0.025);
  position: absolute;
  bottom: -10px;
  right: 20px;
  letter-spacing: 4px;
  user-select: none;
  z-index: 0;
}

/* ── HERO CONTENT ── */
.ps-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.ps-eyebrow::before {
  content: '';
  display: block;
  width: 32px; height: 1px;
  background: var(--accent);
}

.ps-title {
  font-family: var(--font-display);
  font-size: clamp(80px, 9vw, 140px);
  line-height: 0.88;
  letter-spacing: 3px;
  color: var(--white);
  margin-bottom: 12px;
}

.ps-subtitle {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 36px;
}

.ps-desc {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--muted);
  max-width: 480px;
  margin-bottom: 52px;
}

/* ── KPI STRIP ── */
.ps-kpi-strip {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
  margin-top: auto;
  padding-top: 0;
}

.ps-kpi {
  flex: 1;
  padding: 28px 24px 0 0;
  border-right: 1px solid var(--border);
}
.ps-kpi:last-child { border-right: none; padding-right: 0; }

.ps-kpi-val {
  font-family: var(--font-display);
  font-size: 42px;
  letter-spacing: 1px;
  color: var(--accent);
  line-height: 1;
}
.ps-kpi-unit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 1px;
}
.ps-kpi-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.6;
  margin-top: 6px;
}

/* ── SPECS SECTION ── */
.ps-section {
  padding: 80px 60px;
  border-bottom: 1px solid var(--border);
}

.ps-section-dark { background: var(--dark); }

.ps-section-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.ps-section-eyebrow::before {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: var(--accent);
}

.ps-spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 80px;
}

.ps-spec-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  gap: 20px;
}

.ps-spec-key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.7;
  white-space: nowrap;
  flex-shrink: 0;
}

.ps-spec-val {
  font-size: 14px;
  font-weight: 400;
  color: var(--white);
  text-align: right;
}

/* ── FEATURES / PILLARS ── */
.ps-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.ps-pillar {
  background: var(--card);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: background .2s;
}
.ps-pillar:hover { background: #1e1e1e; }

.ps-pillar::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--accent);
  transition: height .3s;
}
.ps-pillar:hover::before { height: 100%; }

.ps-pillar-icon {
  width: 36px; height: 36px;
  margin-bottom: 20px;
  display: block;
  opacity: 0.85;
}
.ps-pillar-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 12px;
}
.ps-pillar-body {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ── VARIANTS / CONFIGS ROW ── */
.ps-variants {
  display: grid;
  gap: 1px;
  background: var(--border);
}
.ps-variants-5 { grid-template-columns: repeat(5, 1fr); }
.ps-variants-4 { grid-template-columns: repeat(4, 1fr); }
.ps-variants-3 { grid-template-columns: repeat(3, 1fr); }

.ps-variant {
  background: var(--card);
  padding: 36px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transition: background .2s;
}
.ps-variant:hover { background: #1e1e1e; }

.ps-variant-icon {
  width: 48px; height: 36px;
  opacity: 0.7;
  transition: opacity .2s;
}
.ps-variant:hover .ps-variant-icon { opacity: 1; }

.ps-variant-name {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 1px;
  color: var(--white);
}
.ps-variant-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.5;
  text-align: center;
}

/* ── CTA BANNER ── */
.ps-cta {
  border-top: 3px solid var(--accent);
  background: var(--dark);
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 0;
}

.ps-cta-main {
  padding: 52px 60px;
  border-right: 1px solid var(--border);
}

.ps-cta-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 3vw, 52px);
  letter-spacing: 2px;
  line-height: 0.95;
  color: var(--white);
  margin-bottom: 12px;
}

.ps-cta-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.6;
}

.ps-cta-action {
  padding: 52px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  border-right: 1px solid var(--border);
}

.ps-cta-links {
  padding: 52px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}

.ps-link {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color .2s;
}
.ps-link:hover { color: var(--accent); }
.ps-link::after { content: '→'; }

/* ── FOOTER ── */
.ps-footer {
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 32px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ps-footer-copy {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
  opacity: 0.5;
}

.ps-footer-contact {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
  opacity: 0.6;
}
.ps-footer-contact a { color: var(--accent); text-decoration: none; }

/* ── ANIMATIONS ── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .ps-nav { padding: 0 32px; }
  .ps-hero { grid-template-columns: 1fr; }
  .ps-hero-right { min-height: 360px; padding: 40px; }
  .ps-hero-left { padding: 60px 32px; }
  .ps-section { padding: 60px 32px; }
  .ps-spec-grid { grid-template-columns: 1fr; gap: 0; }
  .ps-pillars { grid-template-columns: 1fr 1fr; }
  .ps-variants-5, .ps-variants-4 { grid-template-columns: repeat(2, 1fr); }
  .ps-cta { grid-template-columns: 1fr; }
  .ps-cta-main, .ps-cta-action, .ps-cta-links { padding: 40px 32px; border: none; border-bottom: 1px solid var(--border); }
  .ps-footer { padding: 24px 32px; flex-direction: column; gap: 12px; align-items: flex-start; }
  .ps-product-num { font-size: 100px; }
}