/* ============================================================
   AEROGEL PRODUCTS — Design System & Full Styles
   Premium Deep-Tech Industrial Design
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Backgrounds */
  --bg-primary: #0A0C10;
  --bg-secondary: #111318;
  --bg-tertiary: #161A22;
  --bg-surface: #1C2030;
  --bg-elevated: #222738;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.05);
  --border-medium: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.12);

  /* Text */
  --text-primary: #F0F2F5;
  --text-secondary: #8B95A8;
  --text-tertiary: #5A6275;
  --text-muted: #3E4556;

  /* Accent — Heat */
  --accent-heat: #E8512D;
  --accent-heat-light: #FF6B3D;
  --accent-heat-glow: rgba(232, 81, 45, 0.15);
  --accent-heat-subtle: rgba(232, 81, 45, 0.06);

  /* Accent — Cool */
  --accent-cool: #3B82F6;
  --accent-cool-light: #60A5FA;
  --accent-cool-glow: rgba(59, 130, 246, 0.12);

  /* Accent — Silica */
  --accent-silica: #C9D1DC;
  --accent-silica-muted: #8A93A4;

  /* Status */
  --color-success: #22C55E;
  --color-warning: #F59E0B;

  /* Gradients */
  --gradient-heat: linear-gradient(135deg, #E8512D 0%, #FF6B3D 50%, #F59E0B 100%);
  --gradient-heat-subtle: linear-gradient(135deg, rgba(232,81,45,0.08) 0%, rgba(255,107,61,0.04) 100%);
  --gradient-cool: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
  --gradient-dark: linear-gradient(180deg, #0A0C10 0%, #111318 100%);
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-padding: 120px;
  --container-width: 1240px;
  --container-narrow: 960px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-elevated: 0 8px 48px rgba(0, 0, 0, 0.5), 0 2px 4px rgba(0,0,0,0.3);
  --shadow-glow-heat: 0 0 40px rgba(232, 81, 45, 0.15);
  --shadow-glow-cool: 0 0 40px rgba(59, 130, 246, 0.1);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

button {
  border: none;
  cursor: pointer;
  font-family: inherit;
  background: none;
}

/* --- Container --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 32px;
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* --- Typography --- */
.heading-xl {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.heading-lg {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.heading-md {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.heading-sm {
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.text-lg {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.text-body {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.text-sm {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-tertiary);
}

.text-mono {
  font-family: var(--font-mono);
}

.text-heat {
  color: var(--accent-heat-light);
}

.text-cool {
  color: var(--accent-cool-light);
}

/* --- Section Utilities --- */
.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section--dark {
  background-color: var(--bg-primary);
}

.section--alt {
  background-color: var(--bg-secondary);
}

.section--elevated {
  background-color: var(--bg-tertiary);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-heat-light);
  margin-bottom: 20px;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent-heat);
}

.section-header {
  max-width: 720px;
  margin-bottom: 64px;
}

.section-header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-header p {
  margin-top: 20px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-heat);
  color: #fff;
  box-shadow: 0 2px 12px rgba(232, 81, 45, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(232, 81, 45, 0.35);
}

.btn--secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn--secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn--ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: rgba(255, 255, 255, 0.03);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.8125rem;
}

.btn--lg {
  padding: 18px 36px;
  font-size: 1rem;
}

.btn-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- Cards --- */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
}

.card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.card--heat:hover {
  border-color: rgba(232, 81, 45, 0.15);
  box-shadow: var(--shadow-glow-heat);
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 32px;
  transition: all var(--transition-base);
}

.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 12, 16, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.header.scrolled::before {
  background: rgba(10, 12, 16, 0.88);
  border-bottom-color: var(--border-subtle);
}

.header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  z-index: 2;
  text-decoration: none;
}

.header__logo .levron-icon {
  flex-shrink: 0;
  display: block;
}

.header__logo-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 2px;
}

.levron-brand {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.035em;
  color: #ffffff;
  display: block;
}

.levron-descriptor {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-weight: 300;
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #6b7280;
  display: block;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  z-index: 2;
}

.nav-item {
  position: relative;
}

.header__nav-link {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.header__nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-chevron {
  width: 10px;
  height: 10px;
  opacity: 0.4;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-item:hover .nav-chevron {
  transform: rotate(180deg);
  opacity: 0.7;
}

/* --- Nav Dropdowns --- */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  min-width: 220px;
  background: rgba(22, 26, 34, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  box-shadow: var(--shadow-elevated);
  z-index: 100;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown__link {
  display: block;
  padding: 10px 14px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-dropdown__link:hover {
  color: var(--text-primary);
  background: rgba(232, 81, 45, 0.08);
}

.header__cta {
  z-index: 2;
}

.header__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  z-index: 2;
}

.header__mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-base);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

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

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 12, 16, 0.7) 0%,
    rgba(10, 12, 16, 0.4) 40%,
    rgba(10, 12, 16, 0.8) 80%,
    rgba(10, 12, 16, 1) 100%
  );
}

.hero__bg-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;
}

.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 81, 45, 0.08) 0%, transparent 70%);
  top: 20%;
  right: -100px;
  pointer-events: none;
  animation: hero-glow 6s ease-in-out infinite alternate;
}

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

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 740px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(232, 81, 45, 0.08);
  border: 1px solid rgba(232, 81, 45, 0.15);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-heat-light);
  margin-bottom: 28px;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-heat);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: clamp(2.75rem, 5.5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero__title em {
  font-style: normal;
  background: var(--gradient-heat);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.1875rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero__trust-strip {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}

.hero__trust-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

.hero__trust-items {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-tertiary);
}

.hero__trust-item svg {
  width: 14px;
  height: 14px;
  color: var(--accent-heat);
}

/* ============================================================
   PROBLEM — THERMAL RUNAWAY
   ============================================================ */
.problem {
  background: var(--bg-secondary);
}

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

.problem__visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.problem__visual img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
}

.problem__visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(17,19,24,0.6) 100%);
  border-radius: var(--radius-xl);
}

.problem__content {
  max-width: 520px;
}

.problem__steps {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.problem__step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.problem__step-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
}

.problem__step:nth-child(1) .problem__step-number {
  background: rgba(246, 173, 85, 0.12);
  color: #F6AD55;
}
.problem__step:nth-child(2) .problem__step-number {
  background: rgba(237, 137, 54, 0.12);
  color: #ED8936;
}
.problem__step:nth-child(3) .problem__step-number {
  background: rgba(232, 81, 45, 0.12);
  color: var(--accent-heat);
}

.problem__step-content h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.problem__step-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.problem__callout {
  margin-top: 40px;
  padding: 20px 24px;
  background: var(--accent-heat-subtle);
  border-left: 3px solid var(--accent-heat);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--accent-heat-light);
  line-height: 1.6;
}

/* ============================================================
   VALUE PROPOSITION STRIP
   ============================================================ */
.values-strip {
  background: var(--bg-primary);
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.values-strip__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}

.values-strip__item {
  text-align: center;
  padding: 24px 20px;
  position: relative;
}

.values-strip__item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border-subtle);
}

.values-strip__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--accent-heat-subtle);
  color: var(--accent-heat-light);
}

.values-strip__icon svg {
  width: 22px;
  height: 22px;
}

.values-strip__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.values-strip__desc {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* ============================================================
   PERFORMANCE HIGHLIGHTS
   ============================================================ */
.performance__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.metric-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.metric-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.metric-card:hover::before {
  opacity: 1;
}

.metric-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(232, 81, 45, 0.06);
  color: var(--accent-heat-light);
  margin-bottom: 20px;
}

.metric-card__icon svg {
  width: 20px;
  height: 20px;
}

.metric-card__value {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.metric-card__unit {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.metric-card__label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.metric-card__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================================
   SOLUTIONS BY APPLICATION
   ============================================================ */
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.solutions__grid--row2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 820px;
  margin: 20px auto 0;
}

.solution-tile {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.solution-tile:hover {
  border-color: var(--border-medium);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.solution-tile__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.solution-tile__icon--ev {
  background: rgba(59, 130, 246, 0.08);
  color: var(--accent-cool-light);
}
.solution-tile__icon--fire {
  background: rgba(232, 81, 45, 0.08);
  color: var(--accent-heat-light);
}
.solution-tile__icon--ess {
  background: rgba(34, 197, 94, 0.08);
  color: var(--color-success);
}
.solution-tile__icon--industrial {
  background: rgba(245, 158, 11, 0.08);
  color: var(--color-warning);
}
.solution-tile__icon--defense {
  background: rgba(139, 149, 168, 0.08);
  color: var(--accent-silica);
}

.solution-tile__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.solution-tile__problem {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  line-height: 1.5;
  font-style: italic;
}

.solution-tile__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.solution-tile__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-heat-light);
  transition: gap var(--transition-base);
}

.solution-tile:hover .solution-tile__link {
  gap: 10px;
}

/* ============================================================
   TECHNOLOGY PLATFORM
   ============================================================ */
.technology {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.technology__bg-accent {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.04) 0%, transparent 70%);
  left: -200px;
  top: -200px;
  pointer-events: none;
}

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

.technology__visual {
  position: relative;
}

.technology__visual img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
}

.technology__blocks {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.tech-block:hover {
  border-color: var(--border-medium);
}

.tech-block__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tech-block__title svg {
  width: 18px;
  height: 18px;
  color: var(--accent-cool-light);
}

.tech-block__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.technology__footer-note {
  margin-top: 32px;
  padding: 16px 20px;
  background: rgba(59, 130, 246, 0.04);
  border: 1px solid rgba(59, 130, 246, 0.08);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--accent-cool-light);
  font-weight: 500;
}

/* ============================================================
   COMPARISON TABLE
   ============================================================ */
.comparison__table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.comparison__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 800px;
}

.comparison__table thead {
  background: var(--bg-tertiary);
}

.comparison__table th {
  padding: 18px 20px;
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.comparison__table th:first-child {
  color: var(--text-tertiary);
  font-weight: 500;
}

.comparison__table th:last-child {
  background: rgba(232, 81, 45, 0.06);
  color: var(--accent-heat-light);
  position: relative;
}

.comparison__table th:last-child::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-heat);
}

.comparison__table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.comparison__table tr:last-child td {
  border-bottom: none;
}

.comparison__table tbody tr {
  transition: background var(--transition-fast);
}

.comparison__table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.comparison__table td:first-child {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.8125rem;
}

.comparison__table td:last-child {
  background: rgba(232, 81, 45, 0.03);
  color: var(--text-primary);
  font-weight: 500;
}

.comparison__highlight {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-heat-light);
  font-weight: 600;
}

.comparison__highlight svg {
  width: 14px;
  height: 14px;
}

/* ============================================================
   MANUFACTURING & R&D
   ============================================================ */
.manufacturing__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.manufacturing__content {
  max-width: 520px;
}

.manufacturing__capabilities {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 36px;
}

.capability-card {
  padding: 24px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.capability-card:hover {
  border-color: var(--border-medium);
}

.capability-card__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(59, 130, 246, 0.06);
  color: var(--accent-cool-light);
  margin-bottom: 12px;
}

.capability-card__icon svg {
  width: 18px;
  height: 18px;
}

.capability-card h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.capability-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.manufacturing__visual {
  position: relative;
}

.manufacturing__visual img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
}

.manufacturing__tagline {
  margin-top: 32px;
  display: flex;
  gap: 24px;
}

.manufacturing__tagline-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.manufacturing__tagline-item::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cool);
}

/* ============================================================
   INVESTOR / STRATEGIC PARTNER
   ============================================================ */
.investor {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.investor__bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(232, 81, 45, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.investor__content {
  position: relative;
  z-index: 1;
}

.investor__pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.investor-pillar {
  padding: 32px 24px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.investor-pillar:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.investor-pillar__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 1.25rem;
}

.investor-pillar:nth-child(1) .investor-pillar__icon {
  background: rgba(34, 197, 94, 0.08);
}
.investor-pillar:nth-child(2) .investor-pillar__icon {
  background: rgba(59, 130, 246, 0.08);
}
.investor-pillar:nth-child(3) .investor-pillar__icon {
  background: rgba(232, 81, 45, 0.08);
}
.investor-pillar:nth-child(4) .investor-pillar__icon {
  background: rgba(245, 158, 11, 0.08);
}

.investor-pillar h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.investor-pillar p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.investor__cta-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 48px;
}

/* ============================================================
   RESOURCES
   ============================================================ */
.resources__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.resource-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
}

.resource-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.resource-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--bg-tertiary);
  color: var(--accent-silica);
}

.resource-card__icon svg {
  width: 24px;
  height: 24px;
}

.resource-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.resource-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.resource-card__action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-heat-light);
}

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

.final-cta__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(232, 81, 45, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.final-cta__paths {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
  position: relative;
  z-index: 1;
}

.cta-path {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition-base);
}

.cta-path:hover {
  border-color: var(--border-medium);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.cta-path__for {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.cta-path h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.cta-path p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

/* ============================================================
   VIDEO SHOWCASE
   ============================================================ */
.video-showcase {
  padding-bottom: calc(var(--section-padding) + 16px);
}

.video-showcase .section-header {
  text-align: center;
}

.video-showcase__frame {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow:
    0 32px 80px rgba(0,0,0,0.5),
    0 0 0 1px rgba(232,81,45,0.08),
    0 0 60px rgba(232,81,45,0.06);
  aspect-ratio: 16 / 9;
}

.video-showcase__poster {
  position: absolute;
  inset: 0;
  cursor: pointer;
}

.video-showcase__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.video-showcase__poster:hover .video-showcase__thumb {
  transform: scale(1.02);
}

.video-showcase__overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 9, 13, 0.42);
}

.video-showcase__gradient {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top,   rgba(7,9,13,0.85) 0%, transparent 45%),
    linear-gradient(to bottom, rgba(7,9,13,0.5) 0%,  transparent 35%),
    radial-gradient(ellipse at 50% 50%, rgba(232,81,45,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.video-showcase__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  background: rgba(232, 81, 45, 0.92);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: white;
  transition: all 0.25s ease;
  z-index: 2;
  backdrop-filter: blur(4px);
}

.video-showcase__play svg {
  width: 24px;
  height: 24px;
  margin-left: 3px;
}

.video-showcase__play:hover {
  background: var(--accent-heat-light);
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 0 40px rgba(232,81,45,0.5);
}

.video-showcase__play-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid rgba(232,81,45,0.5);
  animation: playRingPulse 2.2s ease-in-out infinite;
}

@keyframes playRingPulse {
  0%   { transform: scale(1);    opacity: 0.7; }
  60%  { transform: scale(1.25); opacity: 0;   }
  100% { transform: scale(1.25); opacity: 0;   }
}

.video-showcase__caption {
  position: absolute;
  bottom: 24px;
  left: 28px;
  right: 28px;
  font-size: 0.8125rem;
  color: rgba(240,242,245,0.75);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
  pointer-events: none;
}

.video-showcase__caption-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: rgba(232,81,45,0.85);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: white;
  white-space: nowrap;
}

.video-showcase__iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: none;
  background: #000;
}

.video-showcase__frame.playing .video-showcase__poster {
  display: none;
}

.video-showcase__frame.playing .video-showcase__iframe {
  display: block;
}

/* ============================================================
   FOOTER — Premium Redesign
   ============================================================ */
.footer {
  background: #07090D;
  border-top: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0; top: 0;
  background:
    radial-gradient(ellipse at 10% 100%, rgba(232,81,45,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 0%, rgba(59,130,246,0.03) 0%, transparent 50%);
  pointer-events: none;
}

.footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
  z-index: 1;
}

/* ------ TOP STRIP: Brand + CTA ------- */
.footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  padding: 72px 0 56px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  margin-bottom: 20px;
}

.footer__logo .levron-icon {
  flex-shrink: 0;
  display: block;
}

.footer__logo-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 3px;
}

.footer__logo .levron-brand {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.035em;
  color: #ffffff;
  display: block;
}

.footer__logo .levron-descriptor {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-weight: 300;
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #6b7280;
  display: block;
}

.footer__brand-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 420px;
  margin-bottom: 32px;
}

.footer__brand-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px 28px;
  width: fit-content;
}

.footer__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0 24px;
}

.footer__stat:first-child { padding-left: 0; }
.footer__stat:last-child  { padding-right: 0; }

.footer__stat-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-heat-light);
}

.footer__stat-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

.footer__stat-sep {
  width: 1px;
  height: 36px;
  background: var(--border-subtle);
  flex-shrink: 0;
}

/* ------ CTA BLOCK ------- */
.footer__cta-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 40px 44px;
  position: relative;
  overflow: hidden;
}

.footer__cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 100% 0%, rgba(232,81,45,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.footer__cta-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-heat-light);
  margin-bottom: 12px;
}

.footer__cta-headline {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 28px;
}

.footer__cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ------ DIVIDER ------- */
.footer__divider {
  height: 1px;
  background: var(--border-subtle);
}

/* ------ NAV GRID: 5 columns ------- */
.footer__nav-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 48px;
  padding: 56px 0;
}

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

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links li a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: block;
}

.footer__links li a:hover {
  color: var(--text-primary);
}

/* Contact column special items */
.footer__links--contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer__links--contact li svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 2px;
  opacity: 0.5;
}

.footer__links--contact li a {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer__links--contact li a:hover {
  color: var(--accent-heat-light);
}

/* Social links */
.footer__social {
  display: flex !important;
  flex-direction: row !important;
  gap: 8px !important;
  margin-top: 4px;
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary) !important;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer__social-link svg {
  width: 13px !important;
  height: 13px !important;
  opacity: 1 !important;
  margin-top: 0 !important;
}

.footer__social-link:hover {
  border-color: var(--border-medium);
  color: var(--text-primary) !important;
  background: var(--bg-elevated);
}

/* ------ BOTTOM BAR ------- */
.footer__bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer__copyright {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer__bottom-links {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer__bottom-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__bottom-links a:hover {
  color: var(--text-secondary);
}

/* Legacy compat classes */
.footer__grid, .footer__grid--wide { display: none; }
.footer__brand p { display: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
  }

  .problem__grid,
  .technology__grid,
  .manufacturing__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .performance__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .solutions__grid,
  .solutions__grid--row2 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 100%;
  }

  .investor__pillars,
  .resources__grid,
  .final-cta__paths {
    grid-template-columns: repeat(2, 1fr);
  }

  .comparison__table {
    min-width: 700px;
  }

  .values-strip__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .values-strip__item:nth-child(3)::after {
    display: none;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 56px 0 40px;
  }

  .footer__nav-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .footer__inner {
    padding: 0 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 64px;
  }

  .container {
    padding: 0 20px;
  }

  .header {
    padding: 0 20px;
  }

  .header__nav {
    display: none;
  }

  .header__mobile-toggle {
    display: flex;
  }

  .header__nav.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 12, 16, 0.98);
    backdrop-filter: blur(20px);
    justify-content: center;
    align-items: center;
    gap: 28px;
    padding: 72px 32px;
  }

  .header__nav.active .header__nav-link {
    font-size: 1.25rem;
  }

  .hero__title {
    font-size: clamp(2rem, 6vw, 3rem);
  }

  .hero__trust-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .values-strip__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .values-strip__item::after {
    display: none !important;
  }

  .performance__grid,
  .solutions__grid,
  .solutions__grid--row2 {
    grid-template-columns: 1fr;
  }

  .investor__pillars,
  .resources__grid,
  .final-cta__paths {
    grid-template-columns: 1fr;
  }

  .manufacturing__capabilities {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    padding: 0 20px;
  }

  .footer__nav-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    padding: 40px 0;
  }

  .footer__brand-stats {
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
  }

  .footer__cta-block {
    padding: 28px 24px;
  }

  .footer__cta-headline {
    font-size: 1.375rem;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .investor__cta-row {
    flex-direction: column;
    align-items: center;
  }

  .manufacturing__tagline {
    flex-direction: column;
    gap: 12px;
  }

  .section-header {
    margin-bottom: 40px;
  }
}

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: rgba(232, 81, 45, 0.2);
  box-shadow: var(--shadow-glow-heat);
  transform: translateY(-4px);
}

.product-card__header {
  padding: 32px 32px 24px;
  background: var(--gradient-heat-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.product-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(232, 81, 45, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.product-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-heat-light);
}

.product-card__title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.product-card__subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-heat-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.product-card__body {
  padding: 24px 32px;
  flex: 1;
}

.product-card__desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.product-card__specs {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 24px;
}

.product-card__spec {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.product-card__spec:last-child {
  border-bottom: none;
}

.product-card__spec-label {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

.product-card__spec-value {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-heat-light);
}

.product-card__features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-card__features span {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.product-card__footer {
  padding: 20px 32px 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-subtle);
}

/* ============================================================
   MATERIAL PROPERTIES
   ============================================================ */
.properties__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.property-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

.property-card:hover {
  border-color: rgba(232, 81, 45, 0.15);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.property-card:hover::before {
  opacity: 1;
}

.property-card__number {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

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

.property-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.property-card__metric {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-heat);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1.2;
}

.property-card__metric span {
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0.7;
}

.property-card__desc {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.property-card__detail {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent-heat-light);
  padding: 8px 12px;
  background: rgba(232, 81, 45, 0.06);
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
}

/* ============================================================
   RESPONSIVE — ADDITIONAL
   ============================================================ */
@media (max-width: 768px) {
  .products__grid {
    grid-template-columns: 1fr;
  }

  .properties__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 48px;
  }

  .values-strip__grid {
    grid-template-columns: 1fr;
  }

  .hero__badge {
    font-size: 0.625rem;
  }

  .product-card__header,
  .product-card__body,
  .product-card__footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .property-card__metric {
    font-size: 1.5rem;
  }
}