/* ==========================================================================
   LTP INDUSTRIES PVT. LTD. — PRECISION INDUSTRIAL DEEP-TECH DESIGN SYSTEM
   Theme: Minimal Architectural Light Mode (White & Forest Green)
   Matching Official Corporate Identity & Logo
   Typography: Inter / System Sans + JetBrains Mono / Monospace
   ========================================================================== */

:root {
  /* Clean Professional White & Light-Slate Palette */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAF9;
  --surface-card: #FFFFFF;
  --surface-elevated: #F9FBF9;
  --surface-active: #EEF4F1;
  
  /* Borders & Dividers */
  --border-subtle: #E2E8E4;
  --border-medium: #CBD5CF;
  --border-hover: #1B4D3E;
  --border-active: #1B4D3E;
  
  /* Typography Colors (High-Contrast Legibility) */
  --text-white: #0F1713;       /* Major headings & authoritative titles */
  --text-primary: #1C2621;     /* Primary body content */
  --text-muted: #505F57;       /* Explanatory paragraphs & descriptions */
  --text-dim: #718077;         /* Technical markers & metadata */
  --text-dark: #9DA9A2;        /* Dividers & placeholders */

  /* Corporate Forest Pine & Terracotta Accents */
  --cyan-primary: #1B4D3E;     /* Deep Pine Green from Logo */
  --cyan-light: #1B4D3E;       /* Pine Accent */
  --cyan-dark: #12372C;
  --cyan-glow: rgba(27, 77, 62, 0.07);
  --cyan-glow-intense: rgba(27, 77, 62, 0.14);
  
  --emerald-primary: #1B4D3E;
  --emerald-light: #1B4D3E;
  --emerald-glow: rgba(27, 77, 62, 0.08);

  --amber-status: #AF6A38;     /* Terracotta Copper from Logo */
  --amber-glow: rgba(175, 106, 56, 0.10);

  --terracotta-primary: #AF6A38;
  --terracotta-light: #C07542;
  --sand-accent: #C7A77F;
  --sand-light: #F4EFE6;
  --badge-bg: #E8F5F0;
  --badge-border: rgba(27, 77, 62, 0.22);

  /* Typography Stacks */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Roboto Mono', Menlo, Consolas, monospace;

  /* Transitions */
  --trans-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --trans-smooth: 250ms cubic-bezier(0.16, 1, 0.3, 1);
  --trans-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Container bounds */
  --container-max: 1320px;
  --nav-height: 72px;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Engineering Grid Texture */
.bg-grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: 
    linear-gradient(to right, rgba(27, 77, 62, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 77, 62, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 20%, black 35%, rgba(0, 0, 0, 0.35) 75%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle at 50% 20%, black 35%, rgba(0, 0, 0, 0.35) 75%, transparent 100%);
}

.bg-ambient-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: 
    radial-gradient(circle at 20% 15%, rgba(27, 77, 62, 0.035) 0%, transparent 50%),
    radial-gradient(circle at 80% 65%, rgba(175, 106, 56, 0.025) 0%, transparent 50%);
}

.site-wrap {
  position: relative;
  z-index: 1;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 4vw, 2.5rem);
  padding-right: clamp(1rem, 4vw, 2.5rem);
}

/* Typography Utilities */
.font-mono {
  font-family: var(--font-mono);
}

.text-white { color: var(--text-white); }
.text-muted { color: var(--text-muted); }
.text-cyan { color: var(--cyan-light); }
.text-emerald { color: var(--emerald-light); }
.text-dim { color: var(--text-dim); }

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  background-color: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: #1B4D3E;
  font-weight: 600;
  width: fit-content;
}

.tag-badge.emerald {
  background-color: var(--badge-bg);
  border-color: var(--badge-border);
  color: #1B4D3E;
}

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

.section-label::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 2px;
  background-color: var(--cyan-light);
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-white);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.7;
}

/* Status Indicator Beacon */
.status-beacon {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.28rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: 9999px;
  color: #1B4D3E;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #1B4D3E;
  box-shadow: 0 0 6px rgba(27, 77, 62, 0.4);
  animation: beacon-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes beacon-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ==========================================================================
   BUTTONS & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--trans-smooth);
  border: 1px solid transparent;
  user-select: none;
}

.btn-primary {
  background: #1B4D3E;
  color: #FFFFFF;
  border: 1px solid #164033;
  box-shadow: 0 2px 8px rgba(27, 77, 62, 0.18);
}

.btn-primary:hover {
  background: #143C30;
  box-shadow: 0 4px 16px rgba(27, 77, 62, 0.28);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #FFFFFF;
  border: 1px solid var(--border-medium);
  color: #1C2621;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.btn-secondary:hover {
  background: #F8FAF9;
  border-color: #1B4D3E;
  color: #1B4D3E;
  transform: translateY(-1px);
}

.btn-secondary:hover svg {
  transform: translateX(3px);
}

.btn svg {
  transition: transform var(--trans-smooth);
}

/* ==========================================================================
   1. STICKY HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  transition: border-color var(--trans-smooth), background var(--trans-smooth);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-emblem {
  width: 42px;
  height: 42px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-emblem img, .brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.footer-brand-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.75rem;
}

.footer-logo-emblem {
  width: 38px;
  height: 38px;
  padding: 2px;
}

.brand-text-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-white);
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #1B4D3E;
  padding: 0.18rem 0.45rem;
  border-radius: 3px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
}

/* Nav links */
.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--trans-fast);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-white);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--cyan-light);
  transition: width var(--trans-smooth);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.header-cta-btn {
  padding: 0.55rem 1.15rem;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

@media (max-width: 640px) {
  .header-cta-btn,
  .status-beacon.desktop-only {
    display: none !important;
  }
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.5rem;
  color: var(--text-primary);
  cursor: pointer;
}

/* Mobile Drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  padding: 1.5rem 2rem 2rem;
  z-index: 99;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

.mobile-nav-drawer.open {
  display: flex;
}

.mobile-nav-drawer .nav-link {
  font-size: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

/* ==========================================================================
   2. HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: clamp(3.5rem, 8vw, 6.5rem);
  padding-bottom: clamp(3.5rem, 7vw, 5.5rem);
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-radial-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(27, 77, 62, 0.05) 0%, rgba(175, 106, 56, 0.02) 50%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-tag-wrap {
  margin-bottom: 1.75rem;
}

.hero-headline {
  font-size: clamp(2.5rem, 5.8vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text-white);
  margin-bottom: 1.5rem;
  max-width: 900px;
}

.hero-headline .highlight-gradient {
  background: linear-gradient(135deg, #1B4D3E 0%, #2A735B 50%, #B86D3B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subheadline {
  font-size: clamp(1.05rem, 1.4vw, 1.28rem);
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 760px;
  margin-bottom: 2rem;
}

.hero-quote-box {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--amber-status);
  border-radius: 4px;
  padding: 0.85rem 1.4rem;
  margin-bottom: 2.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.hero-quote-box svg {
  color: var(--amber-status);
  flex-shrink: 0;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Telemetry Ribbon */
.hero-telemetry-ribbon {
  width: 100%;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  padding: 1.1rem 0;
}

.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  text-align: left;
}

.telemetry-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0 0.5rem;
  border-left: 1px solid var(--border-subtle);
}

.telemetry-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.telemetry-val {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-white);
}

/* ==========================================================================
   3. OUR VISION (EDITORIAL SPLIT SECTION)
   ========================================================================== */
.vision-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.split-sticky-col {
  position: sticky;
  top: calc(var(--nav-height) + 2.5rem);
}

.vision-motto-callout {
  margin-top: 2rem;
  padding: 1.25rem;
  background: #F4FAF7;
  border: 1px solid rgba(27, 77, 62, 0.18);
  border-radius: 6px;
}

.motto-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}

.motto-text {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan-light);
}

.manifesto-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.manifesto-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 2rem;
  transition: all var(--trans-smooth);
  position: relative;
  overflow: hidden;
}

.manifesto-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-card);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -4px rgba(27, 77, 62, 0.08);
}

.manifesto-card-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan-light);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.manifesto-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.manifesto-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.mission-banner {
  margin-top: 1.5rem;
  background: #F4FAF7;
  border: 1px solid rgba(27, 77, 62, 0.22);
  border-radius: 8px;
  padding: 1.75rem 2rem;
}

.mission-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--emerald-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.65rem;
  display: inline-block;
}

.mission-text {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-white);
  line-height: 1.55;
  margin-bottom: 0.75rem;
}

.mission-sub {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   4. CORE MODULES (5-PILLAR ASYMMETRIC BENTO GRID)
   ========================================================================== */
.modules-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.section-header-wrap {
  margin-bottom: 3rem;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.bento-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--trans-smooth);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.02);
}

.bento-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
  transition: background var(--trans-smooth);
}

.bento-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-card);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(27, 77, 62, 0.08);
}

.bento-card:hover::before {
  background: linear-gradient(90deg, transparent, var(--cyan-light), transparent);
}

/* Bento Sizing Hierarchy */
.bento-card.col-7 { grid-column: span 7; }
.bento-card.col-5 { grid-column: span 5; }
.bento-card.col-4 { grid-column: span 4; }

.bento-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.bento-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: #1B4D3E;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: 4px;
}

.bento-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: #F4FAF7;
  border: 1px solid rgba(27, 77, 62, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1B4D3E;
  transition: all var(--trans-smooth);
}

.bento-card:hover .bento-icon-box {
  border-color: #1B4D3E;
  background: #1B4D3E;
  color: #FFFFFF;
}

.bento-body {
  margin-bottom: 1.75rem;
}

.bento-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.bento-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.bento-specs-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
}

.bento-specs-list li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.bento-specs-list li::before {
  content: '▸';
  color: var(--cyan-light);
}

/* ==========================================================================
   5. INTERACTIVE SOLUTIONS MATRIX (CHALLENGE -> BREAKTHROUGH SWITCHER)
   ========================================================================== */
.solutions-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.matrix-container {
  margin-top: 2.5rem;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* Matrix Tab Bar */
.matrix-tab-bar {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  overflow-x: auto;
  scrollbar-width: thin;
}

.matrix-tab-btn {
  flex: 1;
  min-width: 200px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border-subtle);
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  cursor: pointer;
  text-align: left;
  transition: all var(--trans-fast);
  position: relative;
}

.matrix-tab-btn:last-child {
  border-right: none;
}

.matrix-tab-btn:hover {
  background: #F1F4F2;
  color: #0F1713;
}

.matrix-tab-btn.active {
  background: #FFFFFF;
  color: #1B4D3E;
}

.matrix-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--cyan-light);
}

.tab-btn-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #1B4D3E;
  padding: 0.2rem 0.45rem;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: 3px;
}

.tab-btn-title {
  font-size: 0.9rem;
  font-weight: 600;
  display: block;
}

/* Matrix Content Panels */
.matrix-content-panel {
  display: none;
  padding: clamp(1.75rem, 4vw, 3rem);
}

.matrix-content-panel.active {
  display: block;
  animation: fadeInPanel 250ms ease-out forwards;
}

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.matrix-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.25rem;
}

.matrix-card {
  padding: 1.75rem;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.matrix-card.challenge-card {
  background: #FEF7F7;
  border-color: #F8D7DA;
}

.matrix-card.breakthrough-card {
  background: #F4FAF7;
  border-color: rgba(27, 77, 62, 0.2);
}

.matrix-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-type-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.challenge-card .card-type-tag {
  color: #F87171;
}

.breakthrough-card .card-type-tag {
  color: var(--cyan-light);
}

.matrix-card-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.75rem;
}

.matrix-card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.matrix-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.matrix-bullet-list li {
  font-size: 0.85rem;
  color: var(--text-primary);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  line-height: 1.5;
}

.matrix-bullet-list li span.dot {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan-light);
  margin-top: 1px;
}

/* Deployments bar in Matrix */
.matrix-environments-bar {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.env-pills-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.env-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.env-pill.active {
  background: var(--badge-bg);
  border-color: var(--badge-border);
  color: #1B4D3E;
  font-weight: 600;
}

.env-pill.active::before {
  content: '✓';
  font-weight: bold;
}

/* ==========================================================================
   6. ENGINEERING WORKFLOW DIAGRAM (SVG SCHEMATIC)
   ========================================================================== */
.workflow-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  border-bottom: 1px solid var(--border-subtle);
  background: #FFFFFF;
}

.pipeline-wrapper {
  margin-top: 3rem;
  position: relative;
}

/* Animated SVG Schematic Connector */
.schematic-svg-track {
  width: 100%;
  height: 24px;
  display: block;
  margin-bottom: -12px;
  z-index: 1;
  position: relative;
}

.circuit-path-bg {
  stroke: var(--border-subtle);
  stroke-width: 2;
  fill: none;
}

.circuit-path-pulse {
  stroke: var(--cyan-light);
  stroke-width: 2;
  stroke-dasharray: 10 20;
  stroke-dashoffset: 0;
  fill: none;
  animation: circuitFlow 18s linear infinite;
}

@keyframes circuitFlow {
  to {
    stroke-dashoffset: -300;
  }
}

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
  z-index: 2;
}

.pipeline-step-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1.75rem;
  transition: all var(--trans-smooth);
  position: relative;
}

.pipeline-step-card:hover {
  border-color: var(--cyan-light);
  background: var(--surface-elevated);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 16px var(--cyan-glow);
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan-light);
  letter-spacing: 0.08em;
}

.step-node-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 2px solid #1B4D3E;
  box-shadow: 0 0 6px rgba(27, 77, 62, 0.3);
}

.pipeline-step-card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.65rem;
}

.pipeline-step-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.step-output-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* 7-Step Accordion / Modal Drawer for Complete Industrial Lifecycle */
.lifecycle-expand-btn {
  margin-top: 2rem;
  width: 100%;
  background: var(--surface-card);
  border: 1px dashed var(--border-medium);
  border-radius: 6px;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  transition: all var(--trans-smooth);
}

.lifecycle-expand-btn:hover {
  border-color: var(--cyan-light);
  color: var(--text-white);
  background: var(--surface-elevated);
}

.lifecycle-tray {
  display: none;
  margin-top: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.lifecycle-tray.expanded {
  display: grid;
  animation: fadeInPanel 200ms ease-out forwards;
}

.lifecycle-item {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 1.1rem;
}

.lifecycle-item-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--emerald-light);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.lifecycle-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.35rem;
}

.lifecycle-item-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   7. THE IMPACT LEDGER (ARCHITECTURAL SPEC-SHEET LAYOUT)
   ========================================================================== */
.impact-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.ledger-table-wrap {
  margin-top: 2.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  background: var(--surface-card);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.ledger-header-row {
  display: grid;
  grid-template-columns: 0.6fr 1.6fr 1.8fr 1.2fr 0.8fr;
  padding: 1rem 1.75rem;
  background: #F4FAF7;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #1B4D3E;
  font-weight: 700;
}

.ledger-data-row {
  display: grid;
  grid-template-columns: 0.6fr 1.6fr 1.8fr 1.2fr 0.8fr;
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--border-subtle);
  align-items: center;
  transition: all var(--trans-fast);
}

.ledger-data-row:last-child {
  border-bottom: none;
}

.ledger-data-row:hover {
  background: var(--surface-elevated);
}

.ledger-idx {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan-light);
  font-weight: 700;
}

.ledger-pillar {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.ledger-pillar-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-white);
}

.ledger-pillar-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.ledger-mandate {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  padding-right: 1.5rem;
}

.ledger-metric-box {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.metric-val {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-white);
}

.metric-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.ledger-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--emerald-light);
}

/* ==========================================================================
   8. HQ ADDRESS & CONTACT TERMINAL
   ========================================================================== */
.contact-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 2.5rem;
  align-items: stretch;
}

/* Left Dossier Card */
.dossier-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.dossier-top {
  margin-bottom: 2rem;
}

.dossier-header-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.dossier-corp-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
}

.dossier-meta-subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.dossier-info-block {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
}

.dossier-info-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.dossier-info-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.dossier-info-val {
  font-size: 0.95rem;
  color: var(--text-white);
  line-height: 1.5;
}

.dossier-info-val.coordinate-val {
  font-family: var(--font-mono);
  color: var(--cyan-light);
  font-size: 0.88rem;
}

.contact-links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.contact-comm-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  padding: 0.6rem 0.85rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--trans-fast);
}

.contact-comm-link:hover {
  background: rgba(53, 143, 112, 0.08);
  border-color: rgba(53, 143, 112, 0.3);
  color: var(--cyan-light);
}

.dossier-compliance-badges {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 1.5rem;
}

.comp-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.55rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-medium);
  border-radius: 3px;
  color: var(--text-primary);
}

/* Right Form Card */
.terminal-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
}

.terminal-header {
  margin-bottom: 1.75rem;
}

.terminal-header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.4rem;
}

.terminal-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Pill Selectors */
.pill-selector-wrap {
  margin-bottom: 1.5rem;
}

.pill-selector-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.65rem;
}

.pills-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.inquiry-pill {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.inquiry-pill:hover {
  border-color: #1B4D3E;
  color: #1B4D3E;
  background: #FFFFFF;
}

.inquiry-pill.active {
  background: #1B4D3E;
  border-color: #1B4D3E;
  color: #FFFFFF;
}

/* Form Inputs */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.col-full {
  grid-column: span 2;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

.form-label span.req {
  color: var(--cyan-light);
}

.form-input, .form-textarea {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  color: #0F1713;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  transition: all var(--trans-smooth);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  background: #FFFFFF;
  border-color: #1B4D3E;
  box-shadow: 0 0 0 3px rgba(27, 77, 62, 0.12);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-dark);
}

.form-validation-msg {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #F87171;
  display: none;
  margin-top: 0.25rem;
}

.form-input.invalid, .form-textarea.invalid {
  border-color: #EF4444;
}

.form-input.invalid + .form-validation-msg {
  display: block;
}

.form-submit-row {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.privacy-notice {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  max-width: 320px;
  line-height: 1.4;
}

/* Success Confirmation State */
.form-success-overlay {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--surface-card);
  border-radius: 8px;
}

.form-success-overlay.active {
  display: flex;
  animation: fadeInPanel 250ms ease-out forwards;
}

.success-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(45, 120, 93, 0.1);
  border: 1px solid var(--emerald-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--emerald-light);
  margin-bottom: 1.25rem;
}

.success-ref-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  padding: 0.4rem 0.9rem;
  border-radius: 4px;
  color: #1B4D3E;
  margin: 1rem 0;
}

/* ==========================================================================
   9. FOOTER
   ========================================================================== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand h4 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.75rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 360px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-white);
  margin-bottom: 1.25rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-list a {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--trans-fast);
}

.footer-links-list a:hover {
  color: var(--cyan-light);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.back-to-top {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-muted);
  padding: 0.45rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--trans-fast);
}

.back-to-top:hover {
  border-color: #1B4D3E;
  color: #1B4D3E;
  background: var(--bg-secondary);
}

/* ==========================================================================
   RESPONSIVENESS & BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .site-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .split-layout {
    grid-template-columns: 1fr;
  }
  .split-sticky-col {
    position: static;
  }
  .bento-card.col-7,
  .bento-card.col-5,
  .bento-card.col-4 {
    grid-column: span 12;
  }
  .pipeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .schematic-svg-track {
    display: none;
  }
  .ledger-header-row {
    display: none;
  }
  .ledger-data-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1.5rem;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-headline {
    font-size: 2.25rem;
  }
  .matrix-dual-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.col-full {
    grid-column: span 1;
  }
  .pipeline-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
}