/* ==========================================================================
   KASHBOT AGRI SYSTEMS — DESIGN SYSTEM & CORE STYLESHEET
   Aesthetic: High-Tech Industrial AgTech & Precision Robotics
   Primary Accent: Dynamic Solar Orange & Warm Terracotta (#F97316 / #EA580C)
   Typography: Plus Jakarta Sans / Inter / JetBrains Mono
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Industrial AgTech Orange Palette */
  --color-orange: #EA580C;
  --color-orange-vibrant: #F97316;
  --color-orange-light: #FB923C;
  --color-orange-subtle: #FFF7ED;
  --color-orange-glow: rgba(249, 115, 22, 0.25);
  --color-amber: #F59E0B;
  
  /* Slate & Dark Anchor System */
  --color-forest: #0F172A; /* Deep industrial carbon slate */
  --color-forest-dark: #090D16;
  --color-forest-light: #1E293B;
  
  /* Main Brand Accents */
  --color-mint: #F97316; /* Mapped to vibrant solar orange */
  --color-mint-light: #FB923C;
  --color-emerald-deep: #EA580C; /* Terracotta deep orange */
  --color-cyan: #0284C7;
  --color-cyan-glow: rgba(249, 115, 22, 0.15);
  
  /* Neutral Surfaces & Canvas */
  --color-bg: #FAF9F6;
  --color-bg-subtle: #FFF7ED;
  --color-surface: #FFFFFF;
  --color-surface-translucent: rgba(255, 255, 255, 0.88);
  --color-border: #E2E8F0;
  --color-border-subtle: rgba(234, 88, 12, 0.1);
  --color-border-hover: rgba(249, 115, 22, 0.4);

  /* Typography Colors */
  --color-text-primary: #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted: #64748B;
  --color-text-light: #FFFFFF;
  --color-text-forest: #EA580C;

  /* Typography Families */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout & Elevations */
  --container-max-width: 1280px;
  --header-height: 80px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.07), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 12px 36px -4px rgba(15, 23, 42, 0.1), 0 4px 12px -2px rgba(234, 88, 12, 0.06);
  --shadow-glow: 0 0 24px rgba(249, 115, 22, 0.3);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

/* Background Subtle Grid Texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(234, 88, 12, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(234, 88, 12, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: -1;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

p {
  color: var(--color-text-secondary);
}

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

img, svg {
  display: block;
  max-width: 100%;
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-orange);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 1rem;
}

/* Glassmorphism Card Utility */
.glass-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}
.glass-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #EA580C 0%, #C2410C 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(234, 88, 12, 0.45);
  color: #FFFFFF;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  background: var(--color-surface);
  color: var(--color-forest);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  border-color: var(--color-orange-vibrant);
  color: var(--color-orange);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(234, 88, 12, 0.12);
}

/* Badges & Telemetry Tags */
.badge-telemetry {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: rgba(249, 115, 22, 0.08);
  color: var(--color-orange);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid rgba(249, 115, 22, 0.25);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-orange-vibrant);
  border-radius: 50%;
  position: relative;
}
.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background-color: var(--color-orange-vibrant);
  opacity: 0.4;
  animation: pulse-ring 2s cubic-bezier(0.24, 0, 0.38, 1) infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(2.4); opacity: 0; }
}

/* Section Header Shared */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}
.section-header .section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-orange);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}
.section-header h2 {
  font-size: 2.35rem;
  margin-bottom: 1rem;
}
.section-header p {
  font-size: 1.1rem;
  line-height: 1.65;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(250, 249, 246, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition-normal);
}
.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.brand-logo-wrap svg,
.brand-logo-wrap img {
  width: 40px;
  height: 40px;
}
.brand-title {
  display: flex;
  flex-direction: column;
}
.brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-forest);
  line-height: 1.1;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-orange);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  position: relative;
  padding: 0.25rem 0;
}
.nav-link:hover,
.nav-link.active {
  color: var(--color-orange);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2.5px;
  background: var(--color-orange-vibrant);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  padding: 0.5rem;
  color: var(--color-forest);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 5.5rem 0 4rem 0;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 3.5rem;
}
.hero-content h1 {
  font-size: 3.25rem;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  color: var(--color-forest-dark);
}
.hero-content h1 .highlight {
  color: var(--color-orange);
  position: relative;
  display: inline-block;
}
.hero-desc {
  font-size: 1.18rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.stat-pill {
  text-align: left;
  border-right: 1px solid var(--color-border);
  padding-right: 0.75rem;
}
.stat-pill:last-child {
  border-right: none;
  padding-right: 0;
}
.stat-number {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--color-forest);
  line-height: 1.1;
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
}
.stat-number span {
  font-size: 1.1rem;
  color: var(--color-orange-vibrant);
}
.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
  line-height: 1.3;
  margin-top: 0.25rem;
}

.hero-visual-card {
  position: relative;
  background: linear-gradient(145deg, #FFFFFF 0%, #FFF7ED 100%);
  border: 1px solid rgba(234, 88, 12, 0.15);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-visual-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero-visual-content svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 20px rgba(234, 88, 12, 0.1));
}
.telemetry-chip {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(15, 23, 42, 0.94);
  color: #FFFFFF;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(249, 115, 22, 0.3);
}

/* ==========================================================================
   OVERVIEW & REGIONAL CONTEXT
   ========================================================================== */
.overview-section {
  padding: 5rem 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.overview-lead {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-forest);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}
.overview-body {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.75rem;
}
.overview-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.pillar-card {
  padding: 1.5rem;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.pillar-card:hover {
  border-color: rgba(249, 115, 22, 0.35);
  transform: translateY(-2px);
}
.pillar-icon {
  width: 38px;
  height: 38px;
  background: rgba(249, 115, 22, 0.12);
  color: var(--color-orange);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.pillar-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--color-forest);
}
.pillar-card p {
  font-size: 0.88rem;
  line-height: 1.5;
}

/* ==========================================================================
   INTERACTIVE TECHNOLOGY EXPLORER
   ========================================================================== */
.tech-explorer-section {
  padding: 6rem 0;
}
.tech-tabs-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  padding: 0.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}
.tech-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}
.tech-tab-btn .tab-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  opacity: 0.7;
}
.tech-tab-btn:hover {
  color: var(--color-orange);
  background: rgba(249, 115, 22, 0.05);
}
.tech-tab-btn.active {
  background: var(--color-forest);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
  border: 1px solid rgba(249, 115, 22, 0.4);
}
.tech-tab-btn.active .tab-num {
  color: var(--color-orange-vibrant);
  opacity: 1;
}

.tech-panel {
  display: none;
  animation: fadeIn var(--transition-normal);
}
.tech-panel.active {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.tech-panel-info h3 {
  font-size: 2rem;
  color: var(--color-forest-dark);
  margin-bottom: 0.75rem;
}
.tech-panel-tagline {
  font-size: 1.1rem;
  color: var(--color-orange);
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.tech-panel-desc {
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: 2rem;
}

.tech-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}
.spec-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  border-left: 3px solid var(--color-orange);
}
.spec-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}
.spec-value {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-forest);
}

.tech-panel-visual {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  position: relative;
}
.tech-panel-visual svg {
  max-height: 320px;
  margin: 0 auto;
}

/* ==========================================================================
   5-STAGE ENGINEERING LIFECYCLE
   ========================================================================== */
.lifecycle-section {
  padding: 6rem 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.lifecycle-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  position: relative;
  margin-top: 2rem;
}
.lifecycle-track::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}
.step-node {
  position: relative;
  z-index: 1;
  text-align: center;
  background: transparent;
  cursor: pointer;
}
.step-number-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem auto;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}
.step-node:hover .step-number-wrap,
.step-node.active .step-number-wrap {
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  border-color: #FB923C;
  color: #FFFFFF;
  box-shadow: 0 0 20px rgba(249, 115, 22, 0.45);
  transform: scale(1.08);
}
.step-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-forest);
  margin-bottom: 0.5rem;
}
.step-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.45;
}

/* ==========================================================================
   PRECISION IMPACT CALCULATOR
   ========================================================================== */
.impact-section {
  padding: 6rem 0;
}
.impact-calc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}
.calc-controls h3 {
  font-size: 1.85rem;
  color: var(--color-forest-dark);
  margin-bottom: 0.75rem;
}
.calc-controls p {
  margin-bottom: 2rem;
}
.slider-group {
  margin-bottom: 2rem;
}
.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
}
.slider-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-primary);
}
.slider-value-display {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-orange);
}

.impact-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.impact-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-orange-vibrant);
  border: 3px solid #FFFFFF;
  box-shadow: 0 2px 10px rgba(234, 88, 12, 0.4);
  cursor: pointer;
  transition: transform var(--transition-fast);
}
.impact-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: var(--color-orange);
}

.calc-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.metric-box {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: left;
}
.metric-box.highlight {
  background: linear-gradient(135deg, rgba(254, 243, 199, 0.5) 0%, rgba(255, 237, 213, 0.8) 100%);
  border-color: rgba(249, 115, 22, 0.4);
}
.metric-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.metric-val {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-forest);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}
.metric-box.highlight .metric-val {
  color: var(--color-orange);
}
.metric-sub {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   ABOUT, PURPOSE & VISION
   ========================================================================== */
.about-section {
  padding: 6rem 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.about-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.vision-card {
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
.vision-card.featured {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  border-color: rgba(249, 115, 22, 0.3);
  box-shadow: var(--shadow-lg);
}
.vision-card.featured h3,
.vision-card.featured h4,
.vision-card.featured p {
  color: #FFFFFF;
}
.vision-card.featured p {
  color: rgba(255, 255, 255, 0.85);
}
.vision-card h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}
.vision-card p {
  font-size: 1.05rem;
  line-height: 1.65;
}

/* ==========================================================================
   DUAL-MODE CONTACT & COLLABORATION HUB
   ========================================================================== */
.contact-section {
  padding: 6rem 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: flex-start;
}
.mode-switcher-wrap {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding: 0.35rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}
.mode-btn {
  flex: 1;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}
.mode-btn.active {
  background: var(--color-forest);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(249, 115, 22, 0.4);
}

.inquiry-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}
.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.company-contact-card {
  padding: 2.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.company-contact-card h3 {
  font-size: 1.6rem;
  color: var(--color-forest);
  margin-bottom: 0.5rem;
}
.company-contact-card .card-subtitle {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(249, 115, 22, 0.1);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.info-text strong {
  display: block;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.2rem;
}
.info-text a,
.info-text span {
  font-size: 1rem;
  color: var(--color-text-primary);
  font-weight: 500;
}
.info-text a:hover {
  color: var(--color-orange);
}

.form-feedback {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-top: 1rem;
  display: none;
  font-size: 0.92rem;
}
.form-feedback.success {
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid var(--color-orange);
  color: var(--color-forest-dark);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-forest-dark);
  color: #FFFFFF;
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}
.footer-brand h4 {
  color: #FFFFFF;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}
.footer-col h5 {
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: var(--color-orange-light);
}
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   RESPONSIVENESS (MOBILE & TABLET)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .overview-grid,
  .tech-panel.active,
  .impact-calc-card,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .lifecycle-track {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .lifecycle-track::before {
    display: none;
  }
  .hero-content h1 {
    font-size: 2.75rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav,
  .header-actions .btn-primary {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-content h1 {
    font-size: 2.2rem;
  }
  .hero-stats-bar {
    grid-template-columns: 1fr 1fr;
  }
  .stat-pill:nth-child(2) {
    border-right: none;
  }
  .overview-pillars,
  .about-cards-grid,
  .calc-metrics-grid,
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .tech-tabs-nav {
    border-radius: var(--radius-lg);
  }
  .tech-tab-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Mobile Drawer Overlay */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(16px);
  z-index: 2000;
  display: none;
  flex-direction: column;
  padding: 2rem;
  animation: fadeIn var(--transition-normal);
}
.mobile-drawer.open {
  display: flex;
}
.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3rem;
}
.mobile-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.mobile-drawer-link {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: #FFFFFF;
}
.mobile-drawer-link:hover {
  color: var(--color-orange-light);
}
.drawer-close-btn {
  background: transparent;
  color: #FFFFFF;
  font-size: 1.75rem;
}