/* 
 * WM Solutions Tech — Responsive Interactive Design System v2.1
 * Obsidian Cyber / Emerald Glow / Ultra Clean B2B
 * Optimized for Mobile, Tablets & Desktop (60 FPS)
 */

:root {
  --bg-main: #030712;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(16, 185, 129, 0.35);
  --accent-green: #10b981;
  --accent-green-bright: #34d399;
  --accent-cyan: #06b6d4;
  --accent-amber: #f59e0b;
  --accent-purple: #8b5cf6;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-glow: 0 0 40px -10px rgba(16, 185, 129, 0.25);
  --shadow-card: 0 15px 35px -10px rgba(0, 0, 0, 0.7);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.55;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Background Canvas */
#interactive-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* Ambient Radial Lights */
.ambient-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(140px);
  opacity: 0.12;
  transition: transform 0.2s ease-out;
}

.glow-top-left {
  top: -120px;
  left: -120px;
  background: radial-gradient(circle, var(--accent-green) 0%, transparent 70%);
}

.glow-center-right {
  top: 40%;
  right: -150px;
  background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
  z-index: 10;
}

/* Typography Enhancements */
.gradient-text {
  background: linear-gradient(135deg, #ffffff 20%, #a7f3d0 60%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-cyan {
  background: linear-gradient(135deg, #38bdf8 0%, #2dd4bf 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(3, 7, 18, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  flex-shrink: 0;
}

.logo-img {
  height: 30px;
  width: auto;
  display: block;
}

.nav-links-desktop {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions-desktop {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Mobile Nav Toggler */
.mobile-nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 12px;
  font-size: 1.25rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.mobile-nav-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(3, 7, 18, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 99;
  padding: 1.5rem;
  flex-direction: column;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-drawer-link {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-drawer-link:hover {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
}

.mobile-drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

/* Interactive Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0.6rem 1.2rem;
  font-size: 0.86rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.6);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(51, 65, 85, 0.8);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-glow-whatsapp {
  background: #25d366;
  color: #030712;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

.btn-glow-whatsapp:hover {
  background: #2ee071;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding: 3.5rem 0 3rem;
  text-align: center;
  position: relative;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-green-bright);
  margin-bottom: 1.5rem;
}

.live-indicator-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-green-bright);
  box-shadow: 0 0 6px var(--accent-green-bright);
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 2rem;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

/* Metrics Strip */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  margin-bottom: 3.5rem;
  box-shadow: var(--shadow-card);
}

.metric-item {
  text-align: center;
  padding: 0.5rem;
}

.metric-val {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-green-bright);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
}

.metric-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 4px;
}

/* Section Common */
.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-tag {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-green-bright);
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
  font-size: 0.95rem;
}

/* Playground / Simulator */
.playground-section {
  padding: 2rem 0 4.5rem;
}

.simulator-box {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(16px);
}

.simulator-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(3, 7, 18, 0.6);
  overflow-x: auto;
  scrollbar-width: none;
}

.simulator-tabs::-webkit-scrollbar {
  display: none;
}

.sim-tab-btn {
  flex: 1;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.sim-tab-btn:hover {
  color: var(--text-primary);
}

.sim-tab-btn.active {
  color: var(--accent-green-bright);
  border-bottom-color: var(--accent-green-bright);
  background: rgba(16, 185, 129, 0.05);
}

.simulator-content {
  padding: 1.75rem;
}

.sim-pane {
  display: none;
}

.sim-pane.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

/* Phone Simulator Graphic */
.phone-mockup {
  background: #020617;
  border: 3px solid #1e293b;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8);
  max-width: 360px;
  width: 100%;
  margin: 0 auto;
  position: relative;
}

.phone-notch {
  height: 20px;
  background: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-speaker {
  width: 45px;
  height: 3px;
  background: #334155;
  border-radius: 2px;
}

.phone-screen {
  background: #0b141a;
  height: 440px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.wa-header {
  background: #1f2c34;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.wa-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #00a884;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.wa-chat-body {
  flex: 1;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 14px 14px;
  max-height: 360px;
  overflow-y: auto;
}

.wa-msg {
  max-width: 90%;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 0.8rem;
  line-height: 1.4;
}

.wa-msg-in {
  background: #202c33;
  color: #e9edef;
  align-self: flex-start;
  border-top-left-radius: 2px;
}

.wa-msg-out {
  background: #005c4b;
  color: #e9edef;
  align-self: flex-end;
  border-top-right-radius: 2px;
}

.wa-time {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 3px;
  text-align: right;
}

.sim-controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.control-card {
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.demo-btn-group {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.demo-btn {
  flex: 1;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.demo-btn-fake {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.3);
}

.demo-btn-real {
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  border-color: rgba(16, 185, 129, 0.3);
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

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

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(14px);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  animation: floatGentle 5s ease-in-out infinite;
}

.product-card:nth-child(2) {
  animation-delay: 1.2s;
}

.product-card:nth-child(3) {
  animation-delay: 2.4s;
}

.product-card:nth-child(4) {
  animation-delay: 3.6s;
}

.product-card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.9), 0 0 25px rgba(16, 185, 129, 0.2);
  animation-play-state: paused;
}

/* Featured Full-Width Product Card (Software Factory & Cloud) */
.product-card-featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 27, 75, 0.5) 50%, rgba(15, 23, 42, 0.95) 100%);
  border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
  backdrop-filter: blur(16px);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.8), 0 0 25px rgba(139, 92, 246, 0.15);
  position: relative;
  overflow: hidden;
}

.product-card-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #a855f7, #6366f1, #10b981, transparent);
}

.product-card-featured:hover {
  transform: translateY(-6px);
  border-color: rgba(168, 85, 247, 0.6);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.9), 0 0 35px rgba(168, 85, 247, 0.25);
}

.featured-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.4);
  color: #d8b4fe;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.featured-content-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.featured-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
}

.featured-pillar-item {
  background: rgba(3, 7, 18, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  transition: border-color 0.2s ease;
}

.featured-pillar-item:hover {
  border-color: rgba(168, 85, 247, 0.3);
}

.featured-pillar-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: #f8fafc;
  margin-bottom: 3px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.featured-pillar-desc {
  font-size: 0.74rem;
  color: #94a3b8;
  line-height: 1.4;
}

.featured-cta-box {
  background: rgba(3, 7, 18, 0.6);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
}

.tech-tag {
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  font-family: var(--font-mono);
}

.product-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.product-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.product-card-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.feature-item {
  font-size: 0.84rem;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-check {
  color: var(--accent-green-bright);
  font-weight: bold;
}

/* ROI Calculator */
.calculator-box {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.9) 0%, rgba(3, 7, 18, 0.95) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-card);
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.range-wrap {
  margin-bottom: 1.5rem;
}

.range-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.range-val-badge {
  font-family: var(--font-mono);
  color: var(--accent-green-bright);
  font-size: 1rem;
}

input[type=range] {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: #334155;
  outline: none;
  -webkit-appearance: none;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-green-bright);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-green);
}

.roi-result-card {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
}

.roi-big-number {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-green-bright);
  margin: 0.25rem 0 0.75rem;
}

/* Comparison Table */
.comparison-section {
  padding: 3.5rem 0;
}

.comparison-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 600px;
}

.comparison-table th, 
.comparison-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
  background: rgba(3, 7, 18, 0.85);
  font-size: 0.88rem;
  font-weight: 700;
}

.comparison-table td {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.comparison-highlight {
  background: rgba(16, 185, 129, 0.05);
  color: var(--text-primary);
  font-weight: 600;
}

/* CTA Banner */
.cta-banner {
  background: radial-gradient(circle at center, rgba(16, 185, 129, 0.18) 0%, rgba(15, 23, 42, 0.95) 70%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 3rem 1.5rem;
  text-align: center;
  margin: 4rem 0;
}

/* Footer */
.footer {
  background: #010409;
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2rem;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col-title {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

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

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-green-bright);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ── RESPONSIVE BREAKPOINTS (Mobile & Tablet) ──────────────── */

@media (max-width: 992px) {
  .nav-links-desktop,
  .nav-actions-desktop {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .mobile-drawer {
    display: flex;
  }

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

  .featured-content-grid {
    grid-template-columns: 1fr;
  }

  .sim-pane.active {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .calculator-box {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 1rem;
  }

  .hero {
    padding: 2.5rem 0 2rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    padding: 0.75rem 1.25rem;
  }

  .metrics-strip {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    padding: 1rem;
  }

  .metric-val {
    font-size: 1.45rem;
  }

  .metric-label {
    font-size: 0.72rem;
  }

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

  .product-card-featured {
    padding: 1.25rem 1rem;
  }

  .featured-pillars {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}