/* ============================================================
   MULTIFUNCTIONAL MATERIAL PROPERTIES — Landing Page Styles
   Premium Deep-Tech Multi-Property Platform Design
   ============================================================ */

/* ============================================================
   STICKY SECTION NAVIGATION
   ============================================================ */
.mp-nav {
  position: sticky;
  top: 72px;
  z-index: 900;
  background: rgba(10, 12, 16, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.mp-nav.visible {
  transform: translateY(0);
  opacity: 1;
}

.mp-nav__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.mp-nav__inner::-webkit-scrollbar { display: none; }

.mp-nav__link {
  flex-shrink: 0;
  padding: 14px 13px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.mp-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 13px;
  right: 13px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-heat), #A78BFA);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.mp-nav__link:hover { color: var(--text-secondary); }

.mp-nav__link.active { color: #C4B5FD; }

.mp-nav__link.active::after { transform: scaleX(1); }

.mp-nav__cta {
  flex-shrink: 0;
  margin-left: auto;
  padding-left: 16px;
}

/* Purple accent for multifunctional platform */
:root {
  --accent-multi: #A78BFA;
  --accent-multi-light: #C4B5FD;
  --accent-multi-glow: rgba(167, 139, 250, 0.15);
  --accent-multi-subtle: rgba(167, 139, 250, 0.06);
  --accent-water: #38BDF8;
  --accent-water-glow: rgba(56, 189, 248, 0.12);
  --accent-fire: #E8512D;
  --accent-emerald: #10B981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.12);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.mp-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
  background: var(--bg-primary);
}

.mp-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.mp-hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.012) 1px, transparent 1px);
  background-size: 60px 60px;
}

.mp-hero__multi-gradient {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

/* Multi-property radial glows around central core */
.mp-hero__glow-thermal {
  position: absolute;
  right: 15%;
  top: 30%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232,81,45,0.10) 0%, transparent 65%);
  animation: mp-glow-pulse 9s ease-in-out infinite alternate;
}

.mp-hero__glow-water {
  position: absolute;
  right: 20%;
  top: 10%;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(56,189,248,0.07) 0%, transparent 65%);
  animation: mp-glow-pulse 11s ease-in-out infinite alternate-reverse;
}

.mp-hero__glow-multi {
  position: absolute;
  right: 8%;
  bottom: 15%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(167,139,250,0.08) 0%, transparent 65%);
  animation: mp-glow-pulse 7s ease-in-out infinite alternate;
  animation-delay: -3s;
}

.mp-hero__glow-core {
  position: absolute;
  right: 20%;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201,209,220,0.04) 0%, transparent 60%);
  animation: mp-core-breathe 12s ease-in-out infinite;
}

@keyframes mp-glow-pulse {
  0% { opacity: 0.5; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.1); }
}

@keyframes mp-core-breathe {
  0%, 100% { opacity: 0.4; transform: translateY(-50%) scale(1); }
  50% { opacity: 0.8; transform: translateY(-50%) scale(1.06); }
}

.mp-hero__particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.mp-hero__particle {
  position: absolute;
  border-radius: 50%;
  animation: mp-float 22s ease-in-out infinite;
}

.mp-hero__particle:nth-child(1) { width: 350px; height: 350px; top: 5%; right: 30%; background: radial-gradient(circle, rgba(232,81,45,0.07) 0%, transparent 70%); animation-delay: 0s; }
.mp-hero__particle:nth-child(2) { width: 250px; height: 250px; bottom: 20%; right: 10%; background: radial-gradient(circle, rgba(167,139,250,0.05) 0%, transparent 70%); animation-delay: -6s; }
.mp-hero__particle:nth-child(3) { width: 180px; height: 180px; top: 50%; right: 50%; background: radial-gradient(circle, rgba(56,189,248,0.06) 0%, transparent 70%); animation-delay: -12s; }
.mp-hero__particle:nth-child(4) { width: 420px; height: 420px; top: -8%; right: 40%; background: radial-gradient(circle, rgba(201,209,220,0.03) 0%, transparent 70%); animation-delay: -4s; }

@keyframes mp-float {
  0%, 100% { transform: translate(0,0) scale(1); }
  25% { transform: translate(25px,-18px) scale(1.04); }
  50% { transform: translate(-15px, 28px) scale(0.96); }
  75% { transform: translate(12px, 12px) scale(1.02); }
}

/* Hero Content */
.mp-hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.mp-hero__category {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-multi-light);
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.6s ease;
}

.mp-hero__category.visible { opacity: 1; transform: translateY(0); }

.mp-hero__category-icon {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

.mp-hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 14px;
}

.mp-hero__title {
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  margin-bottom: 28px;
}

.mp-hero__title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent-heat-light) 0%, var(--accent-multi-light) 50%, var(--accent-water) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mp-hero__subtitle {
  font-size: 1.125rem;
  line-height: 1.72;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 580px;
}

.mp-hero__ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

/* Property strip micro-summary */
.mp-hero__strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  max-width: 640px;
}

.mp-hero__strip-item {
  background: var(--bg-secondary);
  padding: 16px 14px;
  text-align: center;
  transition: background var(--transition-fast);
}

.mp-hero__strip-item:hover {
  background: var(--bg-tertiary);
}

.mp-hero__strip-val {
  font-size: 1.125rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.mp-hero__strip-label {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* Hero visual — right side property constellation */
.mp-hero__visual {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 55%;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mp-hero__constellation {
  position: relative;
  width: 560px;
  height: 560px;
}

.mp-hero__core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,209,220,0.12) 0%, rgba(201,209,220,0.04) 50%, transparent 75%);
  border: 1px solid rgba(201,209,220,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: mp-core-pulse 6s ease-in-out infinite;
}

.mp-hero__core::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px solid rgba(201,209,220,0.06);
  animation: mp-ring-spin 20s linear infinite;
}

.mp-hero__core::after {
  content: '';
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  border: 1px dashed rgba(201,209,220,0.04);
  animation: mp-ring-spin 35s linear infinite reverse;
}

@keyframes mp-core-pulse {
  0%, 100% { box-shadow: 0 0 40px rgba(201,209,220,0.12), 0 0 80px rgba(201,209,220,0.04); }
  50% { box-shadow: 0 0 60px rgba(201,209,220,0.18), 0 0 120px rgba(201,209,220,0.06); }
}

@keyframes mp-ring-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.mp-hero__core-label {
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-silica);
  text-align: center;
  line-height: 1.4;
}

/* Property nodes orbiting core */
.mp-hero__node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  animation: mp-node-float 8s ease-in-out infinite;
}

.mp-hero__node--thermal { top: 8%; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.mp-hero__node--fire    { top: 25%; right: 8%; animation-delay: -1.4s; }
.mp-hero__node--water   { bottom: 25%; right: 8%; animation-delay: -2.8s; }
.mp-hero__node--light   { bottom: 8%; left: 50%; transform: translateX(-50%); animation-delay: -4.2s; }
.mp-hero__node--surface { bottom: 25%; left: 8%; animation-delay: -5.6s; }
.mp-hero__node--env     { top: 25%; left: 8%; animation-delay: -7s; }

@keyframes mp-node-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.mp-hero__node--thermal { animation-name: mp-node-float-center; }
.mp-hero__node--light { animation-name: mp-node-float-center; }

@keyframes mp-node-float-center {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-6px); }
}

.mp-hero__node-dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border: 1px solid;
}

.mp-hero__node-dot--thermal {
  background: rgba(232,81,45,0.12);
  border-color: rgba(232,81,45,0.25);
  box-shadow: 0 0 20px rgba(232,81,45,0.1);
}

.mp-hero__node-dot--fire {
  background: rgba(245,158,11,0.12);
  border-color: rgba(245,158,11,0.25);
  box-shadow: 0 0 20px rgba(245,158,11,0.1);
}

.mp-hero__node-dot--water {
  background: rgba(56,189,248,0.12);
  border-color: rgba(56,189,248,0.25);
  box-shadow: 0 0 20px rgba(56,189,248,0.1);
}

.mp-hero__node-dot--light {
  background: rgba(201,209,220,0.08);
  border-color: rgba(201,209,220,0.2);
}

.mp-hero__node-dot--surface {
  background: rgba(167,139,250,0.12);
  border-color: rgba(167,139,250,0.25);
  box-shadow: 0 0 20px rgba(167,139,250,0.1);
}

.mp-hero__node-dot--env {
  background: rgba(16,185,129,0.12);
  border-color: rgba(16,185,129,0.25);
  box-shadow: 0 0 20px rgba(16,185,129,0.1);
}

.mp-hero__node-name {
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  text-align: center;
  line-height: 1.3;
}

/* SVG connector lines (in hero) */
.mp-hero__connectors {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-multi-light);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--accent-multi);
  flex-shrink: 0;
}

.section-label--heat { color: var(--accent-heat-light); }
.section-label--heat::before { background: var(--accent-heat); }
.section-label--water { color: var(--accent-water); }
.section-label--water::before { background: var(--accent-water); }
.section-label--fire { color: #FB923C; }
.section-label--fire::before { background: var(--accent-fire); }
.section-label--emerald { color: #34D399; }
.section-label--emerald::before { background: var(--accent-emerald); }

.section-header { margin-bottom: 64px; }
.section-header--center { text-align: center; }
.section-header--center .section-label { justify-content: center; }

/* ============================================================
   WHY MULTIFUNCTIONALITY SECTION
   ============================================================ */
.mp-why {
  background: var(--bg-secondary);
}

.mp-why__intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 80px;
}

.mp-why__lead {
  font-size: clamp(1.4rem, 2vw, 1.75rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.mp-why__body {
  font-size: 1rem;
  line-height: 1.72;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Constraint diagram visual */
.mp-constraint-diagram {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.mp-constraint-diagram__title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: 32px;
}

/* Single-prop vs multifunctional cards */
.mp-why__compare-strip {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
}

.mp-single-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}

.mp-single-card__header {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.mp-single-card__prop {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.mp-single-card__note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.mp-multi-card {
  background: linear-gradient(135deg, rgba(167,139,250,0.08) 0%, rgba(232,81,45,0.05) 100%);
  border: 1px solid rgba(167,139,250,0.2);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}

.mp-multi-card__header {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-multi-light);
  margin-bottom: 16px;
}

.mp-multi-card__props {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.mp-multi-card__prop {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.mp-multi-card__prop::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-multi);
  flex-shrink: 0;
}

.mp-multi-card__note {
  font-size: 0.8125rem;
  color: var(--accent-multi-light);
  line-height: 1.5;
  font-weight: 500;
}

.mp-vs-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

/* Engineering constraints grid */
.mp-why__constraints {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.mp-constraint-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-base);
}

.mp-constraint-card:hover {
  border-color: var(--border-medium);
  background: var(--bg-surface);
  transform: translateY(-2px);
}

.mp-constraint-card__icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.mp-constraint-card__title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.mp-constraint-card__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   PROPERTY ARCHITECTURE — SIGNATURE SECTION
   ============================================================ */
.mp-arch {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.mp-arch::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(167,139,250,0.04) 0%, transparent 65%);
  pointer-events: none;
}

.mp-arch__layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.mp-arch__text-col {}

.mp-arch__pull-quote {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-primary);
  border-left: 3px solid var(--accent-multi);
  padding-left: 24px;
  margin-bottom: 32px;
}

/* Property wheel / network diagram (SVG-based, rendered with JS) */
.mp-arch__diagram-col {
  display: flex;
  align-items: center;
  justify-content: center;
}

.mp-arch__network {
  position: relative;
  width: 480px;
  height: 480px;
  flex-shrink: 0;
}

.mp-arch__network-svg {
  width: 100%;
  height: 100%;
}

/* Property detail cards below network */
.mp-arch__property-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 48px;
}

.mp-arch__prop-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 14px;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.mp-arch__prop-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mp-arch__prop-card--thermal::before { background: var(--accent-heat); }
.mp-arch__prop-card--fire::before { background: #F59E0B; }
.mp-arch__prop-card--water::before { background: var(--accent-water); }
.mp-arch__prop-card--light::before { background: var(--accent-silica); }
.mp-arch__prop-card--surface::before { background: var(--accent-multi); }
.mp-arch__prop-card--env::before { background: var(--accent-emerald); }
.mp-arch__prop-card--sound::before { background: #818CF8; }
.mp-arch__prop-card--strength::before { background: #94A3B8; }

.mp-arch__prop-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-tertiary);
  transform: translateY(-2px);
}

.mp-arch__prop-card:hover::before { opacity: 1; }

.mp-arch__prop-icon {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.mp-arch__prop-name {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.mp-arch__prop-val {
  font-size: 0.625rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ============================================================
   THERMAL PERFORMANCE LAYER
   ============================================================ */
.mp-thermal {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.mp-thermal::after {
  content: '';
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232,81,45,0.05) 0%, transparent 65%);
  pointer-events: none;
}

.mp-thermal__layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

/* Thermal metric cards */
.mp-thermal__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 36px;
}

.mp-thermal-metric {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.mp-thermal-metric:hover {
  border-color: rgba(232,81,45,0.2);
  background: var(--bg-surface);
}

.mp-thermal-metric__val {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-heat-light);
  line-height: 1;
  margin-bottom: 4px;
}

.mp-thermal-metric__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.mp-thermal-metric__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Thermal visual panel */
.mp-thermal__visual-panel {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 36px;
  overflow: hidden;
}

.mp-thermal__conductivity-bars {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mp-thermal-bar-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mp-thermal-bar-row__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mp-thermal-bar-row__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.mp-thermal-bar-row__val {
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
}

.mp-thermal-bar-track {
  height: 8px;
  background: var(--bg-elevated);
  border-radius: 4px;
  overflow: hidden;
}

.mp-thermal-bar-fill {
  height: 100%;
  border-radius: 4px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.mp-thermal-bar-fill--aerogel { background: linear-gradient(90deg, var(--accent-heat), #FF6B3D); }
.mp-thermal-bar-fill--felt { background: linear-gradient(90deg, #F59E0B, #FBBF24); }
.mp-thermal-bar-fill--stone { background: var(--bg-elevated); border: 1px solid var(--border-medium); }
.mp-thermal-bar-fill--glass { background: var(--bg-elevated); border: 1px solid var(--border-medium); }
.mp-thermal-bar-fill--pir { background: var(--bg-elevated); border: 1px solid var(--border-medium); }

/* Platform performance flow */
.mp-thermal__flow {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mp-thermal-flow-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  transition: border-color var(--transition-fast);
}

.mp-thermal-flow-step:hover { border-color: rgba(232,81,45,0.15); }

.mp-thermal-flow-step__num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(232,81,45,0.12);
  border: 1px solid rgba(232,81,45,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-heat-light);
  flex-shrink: 0;
  margin-top: 1px;
}

.mp-thermal-flow-step__content {}

.mp-thermal-flow-step__title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.mp-thermal-flow-step__desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Temperature range diagram */
.mp-temp-range {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 32px;
}

.mp-temp-range__title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 20px;
}

.mp-temp-range__track {
  height: 12px;
  background: linear-gradient(90deg,
    rgba(56,189,248,0.4) 0%,
    rgba(201,209,220,0.3) 25%,
    rgba(245,158,11,0.4) 65%,
    rgba(232,81,45,0.6) 85%,
    rgba(167,139,250,0.5) 100%
  );
  border-radius: 6px;
  margin-bottom: 8px;
  position: relative;
}

.mp-temp-range__markers {
  display: flex;
  justify-content: space-between;
  font-size: 0.625rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* ============================================================
   FIRE RESISTANCE LAYER
   ============================================================ */
.mp-fire {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.mp-fire::before {
  content: '';
  position: absolute;
  left: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245,158,11,0.05) 0%, transparent 65%);
  pointer-events: none;
}

.mp-fire__layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: center;
}

/* Fire performance tiles */
.mp-fire__tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 32px;
}

.mp-fire-tile {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.mp-fire-tile::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(245,158,11,0.6), rgba(232,81,45,0.6));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mp-fire-tile:hover {
  border-color: rgba(245,158,11,0.2);
  background: var(--bg-tertiary);
}
.mp-fire-tile:hover::before { opacity: 1; }

.mp-fire-tile__val {
  font-size: 1.375rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #FBBF24;
  margin-bottom: 4px;
}

.mp-fire-tile__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.mp-fire-tile__desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Fire temperature diagram SVG panel */
.mp-fire__temp-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 36px;
  overflow: hidden;
}

/* Adjacent-zone protection visual */
.mp-fire__zone-diagram {
  margin-top: 28px;
}

.mp-fire-zone {
  display: flex;
  align-items: stretch;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-medium);
  margin-bottom: 14px;
}

.mp-fire-zone__hot {
  flex: 1;
  background: linear-gradient(135deg, rgba(239,68,68,0.2), rgba(232,81,45,0.1));
  padding: 18px 20px;
  border-right: 1px solid var(--border-medium);
}

.mp-fire-zone__barrier {
  width: 24px;
  background: linear-gradient(180deg, rgba(201,209,220,0.15), rgba(201,209,220,0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.mp-fire-zone__barrier::after {
  content: '';
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  background: rgba(201,209,220,0.3);
}

.mp-fire-zone__safe {
  flex: 1;
  background: rgba(16,185,129,0.05);
  padding: 18px 20px;
  border-left: 1px solid var(--border-medium);
}

.mp-fire-zone__label {
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.mp-fire-zone__temp {
  font-size: 1rem;
  font-weight: 800;
  font-family: var(--font-mono);
}

.mp-fire-zone__hot .mp-fire-zone__temp { color: #FCA5A5; }
.mp-fire-zone__safe .mp-fire-zone__temp { color: #6EE7B7; }

.mp-fire-zone__note {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* ============================================================
   HYDROPHOBICITY LAYER
   ============================================================ */
.mp-hydro {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.mp-hydro::after {
  content: '';
  position: absolute;
  right: -60px;
  bottom: 0;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(56,189,248,0.05) 0%, transparent 65%);
  pointer-events: none;
}

.mp-hydro__layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

/* Contact angle visualization */
.mp-contact-angle-vis {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.mp-contact-angle-vis__title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  align-self: flex-start;
}

/* Wet vs dry performance comparison */
.mp-hydro__perf-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 28px;
}

.mp-hydro-perf-card {
  border-radius: var(--radius-md);
  padding: 22px 18px;
  border: 1px solid;
}

.mp-hydro-perf-card--levron {
  background: rgba(56,189,248,0.05);
  border-color: rgba(56,189,248,0.15);
}

.mp-hydro-perf-card--conv {
  background: var(--bg-tertiary);
  border-color: var(--border-subtle);
}

.mp-hydro-perf-card__label {
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.mp-hydro-perf-card--levron .mp-hydro-perf-card__label { color: var(--accent-water); }
.mp-hydro-perf-card--conv .mp-hydro-perf-card__label { color: var(--text-muted); }

.mp-hydro-perf-stat {
  margin-bottom: 8px;
}

.mp-hydro-perf-stat__condition {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  margin-bottom: 2px;
}

.mp-hydro-perf-stat__bar-wrap {
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}

.mp-hydro-perf-stat__bar {
  height: 100%;
  border-radius: 3px;
  width: 0;
  transition: width 1.2s ease;
}

.mp-hydro-perf-card--levron .mp-hydro-perf-stat__bar { background: var(--accent-water); }
.mp-hydro-perf-card--conv .mp-hydro-perf-stat__bar { background: var(--text-muted); }

.mp-hydro-perf-stat__val {
  font-size: 0.625rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ============================================================
   SPECIALTY PROPERTIES SECTION
   ============================================================ */
.mp-specialty {
  background: var(--bg-primary);
  position: relative;
}

.mp-specialty__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.mp-specialty-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.mp-specialty-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mp-specialty-card--surface::before { background: var(--accent-multi); }
.mp-specialty-card--sound::before { background: #818CF8; }
.mp-specialty-card--filtration::before { background: #34D399; }
.mp-specialty-card--air::before { background: var(--accent-water); }
.mp-specialty-card--adsorption::before { background: #F59E0B; }
.mp-specialty-card--transparency::before { background: var(--accent-silica); }

.mp-specialty-card:hover {
  border-color: var(--border-medium);
  background: var(--bg-tertiary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.mp-specialty-card:hover::before { opacity: 1; }

.mp-specialty-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.mp-specialty-card__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.mp-specialty-card--surface .mp-specialty-card__icon { background: var(--accent-multi-subtle); }
.mp-specialty-card--sound .mp-specialty-card__icon { background: rgba(129,140,248,0.08); }
.mp-specialty-card--filtration .mp-specialty-card__icon { background: var(--accent-emerald-glow); }
.mp-specialty-card--air .mp-specialty-card__icon { background: var(--accent-water-glow); }
.mp-specialty-card--adsorption .mp-specialty-card__icon { background: rgba(245,158,11,0.08); }
.mp-specialty-card--transparency .mp-specialty-card__icon { background: rgba(201,209,220,0.06); }

.mp-specialty-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.mp-specialty-card__val {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.mp-specialty-card__body {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.62;
}

/* Specialty insight callout */
.mp-specialty__insight {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-left: 3px solid var(--accent-multi);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-top: 32px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.mp-specialty__insight-icon { font-size: 1.25rem; flex-shrink: 0; margin-top: 2px; }

.mp-specialty__insight-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================================
   COMPARISON SECTION
   ============================================================ */
.mp-comparison {
  background: var(--bg-secondary);
}

.mp-comparison__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  margin-top: 48px;
}

/* Premium comparison table */
.mp-comparison-table-wrap {
  overflow-x: auto;
}

.mp-comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.mp-comparison-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border-medium);
  white-space: nowrap;
}

.mp-comparison-table thead th.col-levron {
  color: var(--accent-heat-light);
  background: rgba(232,81,45,0.04);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.mp-comparison-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.mp-comparison-table tbody tr:hover { background: rgba(255,255,255,0.02); }

.mp-comparison-table tbody td {
  padding: 14px 16px;
  color: var(--text-secondary);
  vertical-align: top;
}

.mp-comparison-table tbody td:first-child {
  font-weight: 600;
  color: var(--text-primary);
  min-width: 150px;
}

.mp-comparison-table td.col-levron {
  background: rgba(232,81,45,0.03);
}

.mp-check { color: #34D399; font-size: 0.875rem; }
.mp-partial { color: #F59E0B; font-size: 0.875rem; }
.mp-cross { color: var(--text-muted); font-size: 0.875rem; }
.mp-strong { color: var(--accent-heat-light); font-weight: 600; }

/* Radar chart */
.mp-radar-wrap {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 32px;
}

.mp-radar-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 20px;
  text-align: center;
}

.mp-radar-svg-wrap {
  display: flex;
  justify-content: center;
}

.mp-radar-legend {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 16px;
}

.mp-radar-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

.mp-radar-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================================
   APPLICATIONS MAP
   ============================================================ */
.mp-apps {
  background: var(--bg-primary);
}

.mp-apps__matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.mp-app-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.mp-app-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-tertiary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.mp-app-card__icon {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.mp-app-card__name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.mp-app-card__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.mp-app-card__props {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.mp-app-prop-tag {
  padding: 3px 8px;
  border-radius: 3px;
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.mp-app-prop-tag--thermal { background: rgba(232,81,45,0.12); color: var(--accent-heat-light); }
.mp-app-prop-tag--fire { background: rgba(245,158,11,0.12); color: #FBBF24; }
.mp-app-prop-tag--water { background: rgba(56,189,248,0.12); color: var(--accent-water); }
.mp-app-prop-tag--light { background: rgba(201,209,220,0.08); color: var(--accent-silica); }
.mp-app-prop-tag--multi { background: var(--accent-multi-subtle); color: var(--accent-multi-light); }
.mp-app-prop-tag--sound { background: rgba(129,140,248,0.1); color: #A5B4FC; }

.mp-app-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-top: 16px;
  transition: color var(--transition-fast);
}

.mp-app-card__link:hover { color: var(--accent-multi-light); }

/* Property-to-App flow graphic */
.mp-apps__flow {
  margin-top: 60px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 48px;
}

.mp-apps__flow-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: 36px;
}

.mp-flow-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 16px;
  align-items: center;
}

.mp-flow-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mp-flow-col__title {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 8px;
}

.mp-flow-chip {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  white-space: nowrap;
}

.mp-flow-chip--thermal { border-color: rgba(232,81,45,0.2); color: var(--accent-heat-light); background: rgba(232,81,45,0.06); }
.mp-flow-chip--fire { border-color: rgba(245,158,11,0.2); color: #FBBF24; background: rgba(245,158,11,0.06); }
.mp-flow-chip--water { border-color: rgba(56,189,248,0.2); color: var(--accent-water); background: rgba(56,189,248,0.06); }
.mp-flow-chip--multi { border-color: rgba(167,139,250,0.2); color: var(--accent-multi-light); background: var(--accent-multi-subtle); }
.mp-flow-chip--app { border-color: rgba(201,209,220,0.1); color: var(--text-primary); }

.mp-flow-arrow {
  color: var(--text-muted);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  padding-top: 28px;
}

/* ============================================================
   MATERIAL SCIENCE DEEP DIVE
   ============================================================ */
.mp-science {
  background: var(--bg-secondary);
  position: relative;
}

.mp-science__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* Multi-scale material diagram */
.mp-scale-diagram {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 36px;
  overflow: hidden;
}

.mp-scale-diagram__title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 28px;
}

.mp-scale-levels {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mp-scale-level {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mp-scale-level:last-child { border-bottom: none; }

.mp-scale-level:hover .mp-scale-level__vis { border-color: rgba(167,139,250,0.3); }

.mp-scale-level__scale {
  width: 80px;
  font-size: 0.625rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  flex-shrink: 0;
  text-align: right;
}

.mp-scale-level__vis {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.mp-scale-level__content {}

.mp-scale-level__name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.mp-scale-level__desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Structure-to-property infographic */
.mp-structure-chain {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mp-structure-chain-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.mp-structure-chain-item__connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.mp-structure-chain-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.mp-chain-line {
  width: 1px;
  flex: 1;
  background: var(--border-subtle);
  min-height: 16px;
}

.mp-structure-chain-content {
  padding-bottom: 16px;
}

.mp-structure-chain-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.mp-structure-chain-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.58;
}

.mp-structure-chain-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.mp-chain-tag {
  padding: 2px 8px;
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-radius: 3px;
  background: var(--accent-multi-subtle);
  color: var(--accent-multi-light);
  border: 1px solid rgba(167,139,250,0.15);
}

/* ============================================================
   LEVRON PLATFORM SECTION
   ============================================================ */
.mp-platform {
  background: var(--bg-primary);
}

.mp-platform__ecosystem {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.mp-platform-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.mp-platform-card--featured {
  background: linear-gradient(135deg, rgba(167,139,250,0.07) 0%, rgba(232,81,45,0.04) 100%);
  border-color: rgba(167,139,250,0.2);
  grid-column: span 1;
}

.mp-platform-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-tertiary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.mp-platform-card--featured:hover {
  border-color: rgba(167,139,250,0.35);
}

.mp-platform-card__badge {
  display: inline-flex;
  padding: 3px 8px;
  border-radius: 3px;
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent-multi-subtle);
  color: var(--accent-multi-light);
  border: 1px solid rgba(167,139,250,0.15);
  margin-bottom: 14px;
  align-self: flex-start;
}

.mp-platform-card__badge--product { background: rgba(232,81,45,0.08); color: var(--accent-heat-light); border-color: rgba(232,81,45,0.15); }
.mp-platform-card__badge--solution { background: rgba(56,189,248,0.08); color: var(--accent-water); border-color: rgba(56,189,248,0.15); }

.mp-platform-card__icon { font-size: 1.75rem; margin-bottom: 14px; }

.mp-platform-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.mp-platform-card__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 18px;
}

.mp-platform-card__props {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 16px;
}

.mp-platform-card__link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
  align-self: flex-start;
}

.mp-platform-card__link:hover { color: var(--accent-multi-light); }

/* ============================================================
   WHY LEVRON SECTION
   ============================================================ */
.mp-why-levron {
  background: var(--bg-secondary);
}

.mp-why-levron__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.mp-stat-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition-base);
}

.mp-stat-card:hover {
  border-color: rgba(167,139,250,0.2);
  transform: translateY(-2px);
}

.mp-stat-card__val {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-multi-light);
  line-height: 1;
  margin-bottom: 8px;
}

.mp-stat-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  line-height: 1.4;
}

.mp-why-levron__pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.mp-pillar {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition-base);
}

.mp-pillar:hover {
  border-color: var(--border-medium);
  background: var(--bg-surface);
}

.mp-pillar__icon { font-size: 1.5rem; margin-bottom: 14px; }

.mp-pillar__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.mp-pillar__body {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.62;
}

/* ============================================================
   RESOURCE HUB
   ============================================================ */
.mp-resources {
  background: var(--bg-primary);
}

.mp-resources__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.mp-resource-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mp-resource-card:hover {
  border-color: var(--border-medium);
  background: var(--bg-tertiary);
  transform: translateY(-2px);
}

.mp-resource-card__type {
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 3px 8px;
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  align-self: flex-start;
}

.mp-resource-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.mp-resource-card__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.mp-resource-card__action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-multi-light);
  transition: gap var(--transition-fast);
}

.mp-resource-card:hover .mp-resource-card__action { gap: 10px; }

/* FAQ */
.mp-faq {
  margin-top: 60px;
}

.mp-faq__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.mp-faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 8px;
  transition: border-color var(--transition-fast);
}

.mp-faq-item.active { border-color: rgba(167,139,250,0.2); }

.mp-faq-item__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-secondary);
  transition: background var(--transition-fast);
}

.mp-faq-item__question:hover { background: var(--bg-tertiary); }

.mp-faq-item__question svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--text-tertiary);
  transition: transform var(--transition-base);
}

.mp-faq-item.active .mp-faq-item__question svg { transform: rotate(180deg); }

.mp-faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mp-faq-item.active .mp-faq-item__answer { max-height: 400px; }

.mp-faq-item__answer-inner {
  padding: 0 20px 18px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  background: var(--bg-secondary);
}

/* ============================================================
   FINAL CTA BLOCK
   ============================================================ */
.mp-final-cta {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.mp-final-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 400px;
  background: radial-gradient(ellipse at 50% 0%, rgba(167,139,250,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.mp-final-cta__header {
  text-align: center;
  margin-bottom: 60px;
}

.mp-final-cta__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.mp-cta-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: all var(--transition-base);
}

.mp-cta-card:hover {
  border-color: rgba(167,139,250,0.25);
  background: var(--bg-surface);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.mp-cta-card__icon { font-size: 1.75rem; }

.mp-cta-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
}

.mp-cta-card__desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.55;
  flex: 1;
}

/* ============================================================
   HERO INSIGHT STRIP (below hero)
   ============================================================ */
.mp-insight-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 0;
}

.mp-insight-bar__inner {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.mp-insight-bar__inner::-webkit-scrollbar { display: none; }

.mp-insight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 40px;
  border-right: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.mp-insight-item:last-child { border-right: none; }

.mp-insight-item__icon { font-size: 1.125rem; opacity: 0.7; }

.mp-insight-item__text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}

.mp-insight-item__text strong {
  color: var(--text-primary);
  font-weight: 700;
}

/* ============================================================
   SCROLLREVEAL TRANSITIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1), transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ============================================================
   BUTTONS (global extensions used on this page)
   ============================================================ */
.btn--multi {
  background: linear-gradient(135deg, var(--accent-multi) 0%, #8B5CF6 100%);
  color: white;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 24px rgba(167,139,250,0.25);
  transition: all var(--transition-base);
}

.btn--multi:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 32px rgba(167,139,250,0.35);
  filter: brightness(1.05);
}

/* ============================================================
   PROPERTY MATRIX TABLE
   ============================================================ */
.mp-property-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  margin-top: 32px;
}

.mp-property-matrix th {
  padding: 10px 14px;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border-medium);
  text-align: left;
  white-space: nowrap;
  background: var(--bg-elevated);
}

.mp-property-matrix td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  vertical-align: middle;
}

.mp-property-matrix tr:hover td { background: rgba(255,255,255,0.015); }

.mp-property-matrix td:first-child {
  font-weight: 700;
  color: var(--text-primary);
}

.mp-property-matrix .mp-bar-cell {
  min-width: 100px;
}

.mp-mini-bar-wrap {
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  overflow: hidden;
}

.mp-mini-bar {
  height: 100%;
  border-radius: 2px;
  width: 0;
  transition: width 1.2s ease;
}

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .mp-hero__visual { display: none; }
  .mp-hero__content { max-width: 100%; }
  .mp-why__intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .mp-arch__layout { grid-template-columns: 1fr; }
  .mp-arch__network { width: 360px; height: 360px; }
  .mp-thermal__layout { grid-template-columns: 1fr; }
  .mp-fire__layout { grid-template-columns: 1fr; }
  .mp-hydro__layout { grid-template-columns: 1fr; }
  .mp-science__layout { grid-template-columns: 1fr; }
  .mp-comparison__layout { grid-template-columns: 1fr; }
  .mp-final-cta__grid { grid-template-columns: repeat(3, 1fr); }
  .mp-apps__matrix { grid-template-columns: repeat(2, 1fr); }
  .mp-platform__ecosystem { grid-template-columns: repeat(2, 1fr); }
  .mp-why-levron__stats { grid-template-columns: repeat(2, 1fr); }
  .mp-why-levron__pillars { grid-template-columns: repeat(2, 1fr); }
  .mp-resources__grid { grid-template-columns: repeat(2, 1fr); }
  .mp-arch__property-grid { grid-template-columns: repeat(4, 1fr); }
  .mp-flow-diagram { grid-template-columns: 1fr; }
  .mp-flow-arrow { display: none; }
}

@media (max-width: 768px) {
  .mp-hero__strip { grid-template-columns: repeat(2, 1fr); }
  .mp-arch__property-grid { grid-template-columns: repeat(2, 1fr); }
  .mp-why__constraints { grid-template-columns: 1fr; }
  .mp-specialty__grid { grid-template-columns: 1fr; }
  .mp-apps__matrix { grid-template-columns: 1fr; }
  .mp-platform__ecosystem { grid-template-columns: 1fr; }
  .mp-why-levron__pillars { grid-template-columns: 1fr; }
  .mp-final-cta__grid { grid-template-columns: repeat(2, 1fr); }
  .mp-resources__grid { grid-template-columns: 1fr; }
  .mp-thermal__metrics { grid-template-columns: 1fr; }
  .mp-fire__tiles { grid-template-columns: 1fr; }
  .mp-hydro__perf-compare { grid-template-columns: 1fr; }
}