/* ==========================================================================
   PRIMA AGRICULTURAL INTELLIGENCE - ENTERPRISE DESIGN SYSTEM
   ========================================================================== */

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

:root {
  --bg-base: #060911;
  --bg-surface: #0B1120;
  --bg-surface-elevated: #111B30;
  --bg-card: rgba(15, 23, 42, 0.72);
  --bg-card-hover: rgba(22, 33, 58, 0.85);
  
  --border-dim: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.16);
  --border-gold: rgba(245, 158, 11, 0.35);
  --border-cyan: rgba(6, 182, 212, 0.35);
  
  --gold-primary: #F59E0B;
  --gold-light: #FBBF24;
  --gold-dark: #B45309;
  --gold-glow: rgba(245, 158, 11, 0.22);
  
  --cyan-primary: #06B6D4;
  --cyan-light: #38BDF8;
  --cyan-glow: rgba(6, 182, 212, 0.2);
  
  --emerald-primary: #10B981;
  --emerald-glow: rgba(16, 185, 129, 0.2);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --shadow-glow-gold: 0 0 35px rgba(245, 158, 11, 0.2);
  --shadow-glow-cyan: 0 0 35px rgba(6, 182, 212, 0.2);
}

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

html {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-main);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(245, 158, 11, 0.05), transparent 45%),
    radial-gradient(circle at 85% 25%, rgba(6, 182, 212, 0.06), transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(16, 185, 129, 0.03), transparent 60%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

button, input, select, textarea {
  font-family: inherit;
}

/* Containers */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Skip link */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--gold-primary);
  color: #000;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top 0.2s ease;
}
.skip-to-content:focus {
  top: 20px;
}

/* ==========================================================================
   NAVIGATION & HEADER
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 1000;
  background: rgba(6, 9, 17, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-dim);
  transition: all 0.3s ease;
}

.site-header.scrolled {
  background: rgba(6, 9, 17, 0.92);
  border-bottom-color: var(--border-light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-item {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-item:hover, .nav-item.active {
  color: var(--text-main);
}

.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-primary), var(--cyan-primary));
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.live-beacon-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--emerald-primary);
  font-family: var(--font-mono);
}

.beacon-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald-primary);
  box-shadow: 0 0 10px var(--emerald-primary);
  animation: pulseBeacon 2s infinite ease-in-out;
}

@keyframes pulseBeacon {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

.mobile-menu-btn {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-dim);
  color: var(--text-main);
  padding: 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
}

/* Mobile Slide-over Drawer */
.mobile-nav-drawer {
  position: fixed;
  inset: 0;
  background: rgba(6, 9, 17, 0.96);
  backdrop-filter: blur(24px);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-link {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-muted);
}
.mobile-nav-link.active, .mobile-nav-link:hover {
  color: var(--gold-light);
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  line-height: 1.2;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-primary) 100%);
  color: #070B14;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #FFF 0%, var(--gold-light) 100%);
  box-shadow: 0 6px 28px rgba(245, 158, 11, 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-light);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--cyan-primary);
  color: var(--cyan-light);
  transform: translateY(-1px);
}

.btn-outline-gold {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
}
.btn-outline-gold:hover {
  background: var(--gold-primary);
  color: #070B14;
  border-color: var(--gold-primary);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: var(--gold-light);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.badge-tag.cyan {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.25);
  color: var(--cyan-light);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
  position: relative;
  padding: 160px 0 100px;
  border-bottom: 1px solid var(--border-dim);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.2vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 20px 0;
}

.hero-title .gradient-gold {
  background: linear-gradient(135deg, #FFF 0%, var(--gold-light) 50%, var(--gold-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .gradient-cyan {
  background: linear-gradient(135deg, var(--cyan-light) 0%, var(--cyan-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.18rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Console / Command Deck */
.hero-deck-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7), var(--shadow-glow-gold);
  overflow: hidden;
  position: relative;
}

.deck-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: rgba(11, 17, 32, 0.85);
  border-bottom: 1px solid var(--border-dim);
}

.deck-title-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.deck-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.deck-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.35);
  padding: 4px;
  border-radius: var(--radius-md);
  margin: 16px 20px 8px;
  gap: 4px;
  overflow-x: auto;
}

.deck-tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.deck-tab-btn.active, .deck-tab-btn:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-main);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.deck-tab-btn.active {
  border-bottom: 2px solid var(--gold-primary);
  color: var(--gold-light);
}

.deck-body {
  padding: 16px 20px 20px;
}

.telemetry-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  margin-bottom: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.telemetry-row:hover {
  background: rgba(245, 158, 11, 0.05);
  border-color: var(--border-gold);
}

.telemetry-node-info {
  display: flex;
  flex-direction: column;
}

.telemetry-node-id {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--gold-light);
}

.telemetry-node-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
}

.telemetry-metric-box {
  text-align: right;
}

.telemetry-metric-val {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cyan-light);
}

.telemetry-metric-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
}

.deck-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(11, 17, 32, 0.6);
  border-top: 1px solid var(--border-dim);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   METRICS BANNER
   ========================================================================== */

.metrics-strip {
  padding: 40px 0;
  background: rgba(11, 17, 32, 0.5);
  border-bottom: 1px solid var(--border-dim);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.metric-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.metric-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-2px);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-primary), transparent);
}

.metric-val {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1.1;
  margin-bottom: 6px;
}

.metric-label {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

.metric-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   SECTION COMMON
   ========================================================================== */

.section {
  padding: 100px 0;
  position: relative;
}

.section-alt {
  background: rgba(11, 17, 32, 0.35);
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
}

.section-header {
  margin-bottom: 56px;
}

.section-header.center {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-top: 16px;
}

.section-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ==========================================================================
   PROBLEM / CHALLENGE SECTION
   ========================================================================== */

.problem-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.problem-text-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.friction-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.friction-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
}

.friction-icon-box {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  display: grid;
  place-items: center;
  color: #EF4444;
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.friction-title {
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--text-main);
  margin-bottom: 2px;
}

.friction-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.prima-answer-card {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(6, 182, 212, 0.04) 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 40px;
  position: relative;
  box-shadow: var(--shadow-glow-gold);
}

/* ==========================================================================
   PRIMA 3-TIER CORE ARCHITECTURE
   ========================================================================== */

.arch-tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.arch-tier-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.arch-tier-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

.tier-number-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--border-gold);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--gold-light);
  margin-bottom: 24px;
}

.arch-tier-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.arch-tier-subtitle {
  font-size: 0.95rem;
  color: var(--cyan-light);
  font-weight: 600;
  margin-bottom: 18px;
}

.arch-tier-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.tier-feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--border-dim);
}

.feature-pill {
  font-size: 0.78rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dim);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

/* ==========================================================================
   INTERACTIVE ROI & YIELD CALCULATOR
   ========================================================================== */

.calculator-wrapper {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(6, 9, 17, 0.95) 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
}

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

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.slider-val-display {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--gold-light);
  background: rgba(245, 158, 11, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-gold);
}

.custom-range {
  width: 100%;
  accent-color: var(--gold-primary);
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  cursor: pointer;
}

.calc-results-card {
  background: rgba(11, 17, 32, 0.85);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-glow-gold);
}

.result-stat-box {
  margin-bottom: 24px;
}

.result-big-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1.1;
}

.result-big-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.roi-metric-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-dim);
  font-size: 0.88rem;
}

/* ==========================================================================
   SOLUTIONS & CORE CAPABILITIES
   ========================================================================== */

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  border-color: var(--border-cyan);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.solution-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid var(--border-cyan);
  color: var(--cyan-light);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
}

.solution-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.solution-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.solution-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border-dim);
  font-size: 0.84rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ==========================================================================
   DATA SOURCES CONNECTIVITY
   ========================================================================== */

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

.source-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.25s ease;
}

.source-item-card:hover {
  border-color: var(--border-gold);
  background: rgba(245, 158, 11, 0.05);
  transform: translateY(-2px);
}

.source-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.source-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.source-desc {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 2px;
  line-height: 1.35;
}

/* ==========================================================================
   INDUSTRIES GRID
   ========================================================================== */

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.industry-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  transition: all 0.3s ease;
}

.industry-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.industry-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
}

.industry-title {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.industry-desc {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.industry-case {
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid var(--gold-primary);
  padding: 12px 14px;
  font-size: 0.84rem;
  color: var(--text-muted);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ==========================================================================
   CTA BANNER COMPONENT
   ========================================================================== */

.cta-banner {
  background: linear-gradient(135deg, rgba(22, 33, 58, 0.85) 0%, rgba(11, 17, 32, 0.95) 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  box-shadow: var(--shadow-glow-gold);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18), transparent 70%);
  pointer-events: none;
}

.cta-banner-content {
  max-width: 680px;
}

.cta-banner-title {
  font-family: var(--font-display);
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 14px;
}

.cta-banner-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.cta-banner-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* ==========================================================================
   FORMS & INPUTS
   ========================================================================== */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 0.95rem;
  color: var(--text-main);
  outline: none;
  transition: all 0.25s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--gold-primary);
  background: rgba(245, 158, 11, 0.05);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.2);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23F59E0B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 42px;
}

.form-select option {
  background: var(--bg-surface);
  color: var(--text-main);
}

/* Confirmation Card */
.confirmation-box {
  display: none;
  padding: 24px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-lg);
  color: var(--emerald-primary);
  margin-top: 20px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background: #04060B;
  border-top: 1px solid var(--border-dim);
  padding: 80px 0 36px;
  margin-top: auto;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-bio {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 360px;
}

.footer-heading {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 20px;
}

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

.footer-nav-link {
  font-size: 0.9rem;
  color: var(--text-muted);
}
.footer-nav-link:hover {
  color: var(--text-main);
  padding-left: 4px;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border-dim);
  font-size: 0.84rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-legal-links {
  display: flex;
  gap: 24px;
}

/* ==========================================================================
   RESPONSIVE QUERIES
   ========================================================================== */

@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .arch-tiers-grid {
    grid-template-columns: 1fr;
  }
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sources-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .calculator-wrapper {
    grid-template-columns: 1fr;
  }
  .problem-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .main-nav, .header-actions .btn-outline-gold {
    display: none;
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
  .solutions-grid, .industries-grid, .metrics-grid, .sources-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
}