/* ==========================================================================
   GREENWIND ENTERPRISES — CORE STYLESHEET
   Southern African Logistics & Customs Clearing | Beitbridge, Zimbabwe
   ========================================================================== */

/* 1. DESIGN TOKENS & VARIABLES */
:root {
  /* Brand Colors */
  --gw-green-deep: #0e291b;        /* Deep African Green / Brand Foundation */
  --gw-green-primary: #143e28;     /* Signature Industrial Green */
  --gw-green-light: #1c5938;       /* Forest / Accent Green */
  --gw-green-emerald: #10b981;     /* Active Status Green */
  --gw-lime-accent: #22c55e;       /* Operational Lime Accent */
  --gw-lime-glow: rgba(34, 197, 94, 0.18);
  
  /* Neutral Palette */
  --gw-black: #0b120e;
  --gw-charcoal: #111827;
  --gw-charcoal-light: #1f2937;
  --gw-gray-800: #1e293b;
  --gw-gray-700: #334155;
  --gw-gray-600: #475569;
  --gw-gray-500: #64748b;
  --gw-gray-400: #94a3b8;
  --gw-gray-300: #cbd5e1;
  --gw-gray-200: #e2e8f0;
  --gw-gray-100: #f1f5f9;
  --gw-gray-50: #f8fafc;
  --gw-white: #ffffff;
  
  /* Surfaces & Backgrounds */
  --gw-bg: #f8faf9;
  --gw-bg-surface: #ffffff;
  --gw-bg-surface-elevated: #ffffff;
  --gw-bg-dark: #0e291b;
  --gw-bg-dark-card: #153826;
  --gw-border: #e2e8f0;
  --gw-border-dark: #234d35;
  
  /* Typography */
  --font-heading: 'Outfit', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, Menlo, monospace;
  
  /* Spacing */
  --section-py: 5.5rem;
  --container-max: 1280px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Shadows & Transitions */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 2. BASE & RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--gw-gray-800);
  background-color: var(--gw-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gw-charcoal);
  letter-spacing: -0.02em;
}

/* Accessible focus states */
:focus-visible {
  outline: 2px solid var(--gw-lime-accent);
  outline-offset: 3px;
}

/* Skip to main content for screen readers */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--gw-lime-accent);
  color: var(--gw-black);
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  z-index: 9999;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 1rem;
}

/* 3. LAYOUT & CONTAINERS */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
  position: relative;
}

.section-dark {
  background-color: var(--gw-green-deep);
  color: var(--gw-gray-100);
}
.section-dark h2, .section-dark h3, .section-dark h4 {
  color: var(--gw-white);
}

.section-muted {
  background-color: #f1f5f3;
}

/* Section Headers */
.section-header {
  margin-bottom: 3.5rem;
}
.section-header.text-center {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gw-green-primary);
  background: rgba(20, 62, 40, 0.08);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  border-left: 3px solid var(--gw-lime-accent);
}
.section-dark .section-tag {
  color: var(--gw-lime-accent);
  background: rgba(34, 197, 94, 0.12);
  border-left-color: var(--gw-lime-accent);
}
.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}
.section-desc {
  font-size: 1.125rem;
  color: var(--gw-gray-600);
  line-height: 1.6;
}
.section-dark .section-desc {
  color: var(--gw-gray-300);
}

/* 4. BUTTONS & BADGES */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  white-space: nowrap;
  text-align: center;
}
.btn-primary {
  background-color: var(--gw-green-primary);
  color: var(--gw-white);
  border: 1px solid var(--gw-green-primary);
}
.btn-primary:hover {
  background-color: var(--gw-green-deep);
  border-color: var(--gw-green-deep);
  box-shadow: var(--shadow-md);
  color: var(--gw-white);
}

.btn-lime {
  background-color: var(--gw-lime-accent);
  color: var(--gw-black);
  border: 1px solid var(--gw-lime-accent);
}
.btn-lime:hover {
  background-color: #1eb354;
  color: var(--gw-black);
  box-shadow: 0 0 15px var(--gw-lime-glow);
}

.btn-outline {
  background-color: transparent;
  color: var(--gw-green-primary);
  border: 1.5px solid var(--gw-green-primary);
}
.btn-outline:hover {
  background-color: var(--gw-green-primary);
  color: var(--gw-white);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--gw-white);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}
.btn-outline-white:hover {
  background-color: var(--gw-white);
  color: var(--gw-green-deep);
  border-color: var(--gw-white);
}

.btn-whatsapp {
  background-color: #25d366;
  color: var(--gw-white);
  border: 1px solid #25d366;
}
.btn-whatsapp:hover {
  background-color: #1ea952;
  color: var(--gw-white);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.8125rem;
}
.btn-lg {
  padding: 1.1rem 2.25rem;
  font-size: 1.05rem;
}
.btn-full {
  width: 100%;
}

/* Corridor Badge */
.corridor-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gw-lime-accent);
  background: rgba(14, 41, 27, 0.8);
  border: 1px solid rgba(34, 197, 94, 0.35);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
}
.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--gw-lime-accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--gw-lime-accent);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 12px var(--gw-lime-accent); }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* 5. TOP OPERATIONAL BAR & HEADER */
.top-ops-bar {
  background: #08170f;
  color: var(--gw-gray-300);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.top-ops-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.top-ops-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.top-ops-item i {
  color: var(--gw-lime-accent);
}
.top-ops-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.top-ops-links a {
  color: var(--gw-gray-300);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.top-ops-links a:hover {
  color: var(--gw-lime-accent);
}

/* Main Navigation */
.header-nav {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gw-border);
  transition: all var(--transition-normal);
}
.header-nav.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}
.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}
.brand-name-group {
  display: flex;
  flex-direction: column;
}
.brand-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--gw-green-deep);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gw-green-light);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link {
  font-family: var(--font-heading);
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--gw-charcoal);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--gw-green-primary);
  transition: width var(--transition-normal);
}
.nav-link:hover, .nav-link.active {
  color: var(--gw-green-primary);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 22px;
  padding: 0;
  z-index: 1002;
}
.mobile-toggle span {
  width: 100%;
  height: 2.5px;
  background-color: var(--gw-green-deep);
  border-radius: 2px;
  transition: all var(--transition-normal);
}
.mobile-toggle.is-active span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}
.mobile-toggle.is-active span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.is-active span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(85vw, 380px);
  height: 100vh;
  background: var(--gw-green-deep);
  color: var(--gw-white);
  z-index: 1001;
  padding: 6rem 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.35);
  transition: right var(--transition-slow);
  overflow-y: auto;
}
.mobile-drawer.is-open {
  right: 0;
}
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gw-gray-100);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.mobile-nav-link:hover {
  color: var(--gw-lime-accent);
}
.mobile-drawer-contact {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--gw-gray-300);
}

/* 6. HERO SECTION */
.hero {
  position: relative;
  min-height: calc(100vh - 115px);
  display: flex;
  align-items: center;
  background-color: var(--gw-green-deep);
  background-image: linear-gradient(to right, rgba(10, 31, 20, 0.94) 30%, rgba(14, 41, 27, 0.82) 70%, rgba(10, 31, 20, 0.7) 100%), url('../images/hero-freight.jpg');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  color: var(--gw-white);
  padding: 5rem 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  max-width: 680px;
}
.hero-corridor-bar {
  margin-bottom: 1.5rem;
}
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--gw-white);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}
.hero-title span {
  color: var(--gw-lime-accent);
}
.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.55;
  color: var(--gw-gray-200);
  margin-bottom: 2.25rem;
  font-weight: 400;
}
.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

/* Hero Corridor Fast Metrics */
.hero-corridor-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.hero-tag-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--gw-gray-300);
}
.hero-tag-item i {
  color: var(--gw-lime-accent);
  font-size: 0.75rem;
}

/* Hero Side Quick Tracking Card */
.hero-tracking-card {
  background: rgba(14, 41, 27, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(16px);
}
.hero-tracking-card h3 {
  color: var(--gw-white);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}
.hero-tracking-card p {
  color: var(--gw-gray-300);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

/* 7. SHIPMENT TRACKING SECTION (CORE REQUIREMENT) */
.tracking-box {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  margin-top: -3.5rem;
  position: relative;
  z-index: 10;
}
.tracking-form-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: stretch;
}
.tracking-input-group {
  position: relative;
  display: flex;
  align-items: center;
}
.tracking-icon {
  position: absolute;
  left: 1.25rem;
  color: var(--gw-gray-400);
  font-size: 1.15rem;
}
.tracking-input {
  width: 100%;
  height: 58px;
  padding: 0 1.25rem 0 3.25rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gw-charcoal);
  background: var(--gw-gray-50);
  border: 2px solid var(--gw-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.tracking-input:focus {
  background: var(--gw-white);
  border-color: var(--gw-green-primary);
  box-shadow: 0 0 0 3px rgba(20, 62, 40, 0.12);
  outline: none;
}
.tracking-hint {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--gw-gray-500);
  margin-top: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tracking-demo-links button {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gw-green-primary);
  text-decoration: underline;
  padding: 0.2rem 0.4rem;
}

/* Tracking Result Container */
.tracking-result {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gw-border);
  display: none;
}
.tracking-result.is-visible {
  display: block;
  animation: fadeIn 0.35s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.tracking-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  background: var(--gw-gray-50);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--gw-green-primary);
}
.tracking-meta-item {
  display: flex;
  flex-direction: column;
}
.tracking-meta-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--gw-gray-500);
  letter-spacing: 0.05em;
}
.tracking-meta-val {
  font-weight: 700;
  color: var(--gw-charcoal);
  font-size: 1.05rem;
}
.tracking-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: #dcfce7;
  color: #166534;
}

/* Tracking Milestone Timeline (Horizontal & Vertical Responsive) */
.timeline-stages {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  position: relative;
  margin: 2.5rem 0;
}
.timeline-stages::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 5%;
  right: 5%;
  height: 4px;
  background: var(--gw-gray-200);
  z-index: 1;
}
.timeline-progress-bar {
  position: absolute;
  top: 20px;
  left: 5%;
  height: 4px;
  background: var(--gw-green-primary);
  z-index: 2;
  transition: width 0.6s ease;
}
.stage-step {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.stage-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gw-white);
  border: 3px solid var(--gw-gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--gw-gray-400);
  margin-bottom: 0.75rem;
  transition: all var(--transition-normal);
}
.stage-step.completed .stage-dot {
  background: var(--gw-green-primary);
  border-color: var(--gw-green-primary);
  color: var(--gw-white);
}
.stage-step.current .stage-dot {
  background: var(--gw-lime-accent);
  border-color: var(--gw-green-primary);
  color: var(--gw-black);
  box-shadow: 0 0 0 4px var(--gw-lime-glow);
}
.stage-name {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--gw-gray-600);
  margin-bottom: 0.25rem;
}
.stage-step.completed .stage-name, .stage-step.current .stage-name {
  color: var(--gw-charcoal);
}
.stage-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gw-gray-400);
}

.tracking-log-card {
  background: var(--gw-gray-50);
  border: 1px solid var(--gw-border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  margin-top: 1.5rem;
}
.tracking-log-title {
  font-size: 1rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.tracking-log-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gw-gray-200);
  font-size: 0.875rem;
}
.tracking-log-item:last-child {
  border-bottom: none;
}
.tracking-log-time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gw-gray-500);
  white-space: nowrap;
  min-width: 140px;
}

/* 8. SERVICES SECTION */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gw-green-primary);
}
.service-img-wrap {
  height: 220px;
  position: relative;
  overflow: hidden;
  background: var(--gw-green-deep);
}
.service-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.service-card:hover .service-img-wrap img {
  transform: scale(1.05);
}
.service-icon-floating {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  background: var(--gw-green-deep);
  color: var(--gw-lime-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.service-body {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.service-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gw-green-light);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.service-title {
  font-size: 1.45rem;
  margin-bottom: 0.85rem;
  color: var(--gw-charcoal);
}
.service-text {
  color: var(--gw-gray-600);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}
.service-feature-list {
  margin-bottom: 2rem;
  flex: 1;
}
.service-feature-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.875rem;
  color: var(--gw-gray-700);
  margin-bottom: 0.5rem;
}
.service-feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gw-green-primary);
  font-weight: 800;
}
.service-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--gw-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.service-link {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gw-green-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.service-link:hover {
  color: var(--gw-green-deep);
  transform: translateX(3px);
}

/* 9. BEITBRIDGE POSITIONING ("BUILT AROUND THE BORDER") */
.border-hub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.border-visual-wrap {
  position: relative;
}
.border-img-main {
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.border-badge-overlay {
  position: absolute;
  bottom: -2rem;
  right: -1rem;
  background: var(--gw-black);
  border: 2px solid var(--gw-lime-accent);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  color: var(--gw-white);
  max-width: 280px;
  box-shadow: var(--shadow-xl);
}
.border-badge-overlay h4 {
  color: var(--gw-lime-accent);
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}
.border-badge-overlay p {
  font-size: 0.8125rem;
  color: var(--gw-gray-300);
  line-height: 1.4;
}

.border-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
.border-point-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 3px solid var(--gw-lime-accent);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-sm);
}
.border-point-card h4 {
  color: var(--gw-white);
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}
.border-point-card p {
  color: var(--gw-gray-300);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* 10. SOUTHERN AFRICA LOGISTICS NETWORK / ROUTES */
.corridor-explorer-card {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.corridor-tabs {
  display: flex;
  border-bottom: 1px solid var(--gw-border);
  background: var(--gw-gray-50);
  overflow-x: auto;
}
.corridor-tab-btn {
  padding: 1.25rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gw-gray-600);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.corridor-tab-btn:hover {
  color: var(--gw-green-primary);
  background: var(--gw-white);
}
.corridor-tab-btn.active {
  color: var(--gw-green-primary);
  background: var(--gw-white);
  border-bottom-color: var(--gw-green-primary);
}

.corridor-panel {
  padding: 2.5rem;
  display: none;
}
.corridor-panel.active {
  display: block;
  animation: fadeIn 0.35s ease;
}

.corridor-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.corridor-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.corridor-metric-box {
  background: var(--gw-gray-50);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gw-border);
}
.corridor-metric-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gw-gray-500);
  text-transform: uppercase;
}
.corridor-metric-val {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--gw-charcoal);
}

/* Corridor Visual Diagram */
.corridor-diagram {
  background: var(--gw-green-deep);
  border-radius: var(--radius-sm);
  padding: 2rem;
  color: var(--gw-white);
  position: relative;
}
.corridor-diagram h4 {
  color: var(--gw-lime-accent);
  font-size: 1rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  text-align: center;
}
.route-nodes-sequence {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}
.route-nodes-sequence::before {
  content: '';
  position: absolute;
  top: 15px;
  bottom: 15px;
  left: 17px;
  width: 2px;
  background: rgba(34, 197, 94, 0.4);
}
.route-node-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  z-index: 2;
}
.route-node-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gw-green-primary);
  border: 2px solid var(--gw-lime-accent);
  color: var(--gw-lime-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}
.route-node-dot.hub {
  background: var(--gw-lime-accent);
  color: var(--gw-black);
  box-shadow: 0 0 12px var(--gw-lime-glow);
}
.route-node-info {
  display: flex;
  flex-direction: column;
}
.route-node-name {
  font-weight: 700;
  font-size: 0.95rem;
}
.route-node-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gw-gray-400);
}

/* 11. INDUSTRIES SECTION */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.industry-card {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  padding: 2rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}
.industry-card:hover {
  border-color: var(--gw-green-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.industry-icon {
  width: 48px;
  height: 48px;
  background: rgba(20, 62, 40, 0.08);
  color: var(--gw-green-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}
.industry-name {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
}
.industry-desc {
  font-size: 0.9rem;
  color: var(--gw-gray-600);
  line-height: 1.55;
}

/* 12. HOW GREENWIND WORKS (5-STEP PROCESS) */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  position: relative;
  margin-top: 3rem;
}
.process-card {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-radius: var(--radius-sm);
  padding: 2rem 1.5rem;
  position: relative;
  transition: all var(--transition-normal);
}
.process-card:hover {
  border-color: var(--gw-green-primary);
  box-shadow: var(--shadow-md);
}
.process-num {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--gw-green-primary);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 1rem;
}
.process-card:hover .process-num {
  opacity: 1;
  color: var(--gw-lime-accent);
}
.process-title {
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
  letter-spacing: 0.05em;
}
.process-tagline {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gw-green-light);
  margin-bottom: 0.85rem;
}
.process-desc {
  font-size: 0.875rem;
  color: var(--gw-gray-600);
  line-height: 1.5;
}

/* 13. WHY GREENWIND (TRUST PILLARS) */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.why-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 2.25rem;
  transition: all var(--transition-normal);
}
.why-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--gw-lime-accent);
}
.why-card-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--gw-lime-accent);
  margin-bottom: 1rem;
  font-weight: 700;
}
.why-card-title {
  font-size: 1.35rem;
  color: var(--gw-white);
  margin-bottom: 0.5rem;
}
.why-card-sub {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gw-gray-300);
  margin-bottom: 1rem;
}
.why-card-desc {
  font-size: 0.925rem;
  color: var(--gw-gray-300);
  line-height: 1.6;
}

/* 14. REAL OPERATIONS ("GREENWIND IN MOTION") */
.ops-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.ops-filter-btn {
  padding: 0.55rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gw-gray-600);
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.ops-filter-btn:hover, .ops-filter-btn.active {
  background: var(--gw-green-primary);
  color: var(--gw-white);
  border-color: var(--gw-green-primary);
}

.ops-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}
.ops-card {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}
.ops-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gw-green-primary);
}
.ops-img-wrap {
  height: 240px;
  position: relative;
  overflow: hidden;
  background: var(--gw-green-deep);
}
.ops-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.ops-card:hover .ops-img-wrap img {
  transform: scale(1.04);
}
.ops-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  background: rgba(14, 41, 27, 0.9);
  color: var(--gw-lime-accent);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.ops-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.ops-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gw-gray-500);
  margin-bottom: 0.65rem;
}
.ops-meta i {
  color: var(--gw-green-primary);
}
.ops-title {
  font-size: 1.15rem;
  margin-bottom: 0.65rem;
}
.ops-caption {
  font-size: 0.875rem;
  color: var(--gw-gray-600);
  line-height: 1.55;
}

/* 15. CASE STUDIES ("LOGISTICS IN ACTION") */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2rem;
}
.case-card {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-top: 4px solid var(--gw-green-primary);
  border-radius: var(--radius-sm);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}
.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.case-route-badge {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--gw-green-primary);
  background: rgba(20, 62, 40, 0.08);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 1rem;
}
.case-cargo-title {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  color: var(--gw-charcoal);
}
.case-item-group {
  margin-bottom: 1rem;
}
.case-item-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gw-gray-500);
  margin-bottom: 0.25rem;
}
.case-item-val {
  font-size: 0.875rem;
  color: var(--gw-gray-700);
  line-height: 1.5;
}
.case-result-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: auto;
}
.case-result-box .case-item-label {
  color: #166534;
}
.case-result-box .case-item-val {
  color: #14532d;
  font-weight: 600;
}

/* 16. FREIGHT QUOTE SYSTEM (EXTENSIVE FORM) */
.quote-system-wrap {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}
.quote-header {
  background: var(--gw-green-deep);
  color: var(--gw-white);
  padding: 2.5rem;
  border-bottom: 3px solid var(--gw-lime-accent);
}
.quote-header h3 {
  color: var(--gw-white);
  font-size: 1.85rem;
  margin-bottom: 0.5rem;
}
.quote-header p {
  color: var(--gw-gray-300);
  font-size: 0.95rem;
}
.quote-form-body {
  padding: 2.5rem;
}

.form-fieldset {
  border: none;
  margin-bottom: 2.5rem;
}
.form-legend {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gw-charcoal);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--gw-border);
  width: 100%;
}
.form-legend-num {
  width: 26px;
  height: 26px;
  background: var(--gw-green-primary);
  color: var(--gw-white);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.form-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gw-gray-700);
}
.form-field label .req {
  color: #dc2626;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  color: var(--gw-charcoal);
  background: var(--gw-white);
  border: 1.5px solid var(--gw-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--gw-green-primary);
  box-shadow: 0 0 0 3px rgba(20, 62, 40, 0.1);
  outline: none;
}

/* Checkbox Grid for Services */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.custom-checkbox {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--gw-gray-50);
  border: 1px solid var(--gw-border);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
  font-weight: 500;
}
.custom-checkbox:hover {
  background: #f1f7f3;
  border-color: var(--gw-green-primary);
}
.custom-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--gw-green-primary);
  cursor: pointer;
}

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

/* Quote Submission Result Modal / Box */
.quote-success-banner {
  display: none;
  background: #f0fdf4;
  border: 2px solid #86efac;
  border-radius: var(--radius-sm);
  padding: 2rem;
  margin-top: 2rem;
}
.quote-success-banner.is-visible {
  display: block;
}
.quote-id-display {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: #15803d;
  background: var(--gw-white);
  padding: 0.6rem 1.25rem;
  border: 1px dashed #86efac;
  display: inline-block;
  margin: 0.75rem 0 1.25rem;
}

/* 17. CONTACT & BEITBRIDGE LOCATION SECTION */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}
.contact-card-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.contact-item-box {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
}
.contact-item-box:hover {
  border-color: var(--gw-green-primary);
  box-shadow: var(--shadow-md);
}
.contact-item-icon {
  width: 46px;
  height: 46px;
  background: var(--gw-green-primary);
  color: var(--gw-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-item-info h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}
.contact-item-info p, .contact-item-info a {
  font-size: 0.95rem;
  color: var(--gw-gray-600);
}
.contact-item-info a:hover {
  color: var(--gw-green-primary);
}

.map-container {
  background: var(--gw-green-deep);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--gw-border);
  display: flex;
  flex-direction: column;
}
.map-interactive-view {
  height: 380px;
  width: 100%;
  background: #1a3325;
  position: relative;
}
.map-meta-bar {
  background: var(--gw-black);
  color: var(--gw-gray-300);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* 18. FOOTER */
.site-footer {
  background: var(--gw-black);
  color: var(--gw-gray-400);
  padding-top: 5rem;
  border-top: 3px solid var(--gw-green-primary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}
.footer-brand h3 {
  color: var(--gw-white);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}
.footer-slogan {
  font-family: var(--font-mono);
  color: var(--gw-lime-accent);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer-desc {
  font-size: 0.925rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  max-width: 380px;
}
.footer-title {
  color: var(--gw-white);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--gw-lime-accent);
  padding-left: 0.75rem;
}
.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-links-list a {
  font-size: 0.925rem;
  color: var(--gw-gray-400);
  transition: color var(--transition-fast);
}
.footer-links-list a:hover {
  color: var(--gw-lime-accent);
  padding-left: 0.35rem;
}
.footer-contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: 0.9rem;
}
.footer-contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.footer-contact-details i {
  color: var(--gw-lime-accent);
  margin-top: 0.25rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2rem 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}
.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.footer-legal-links a:hover {
  color: var(--gw-white);
}

/* 19. FLOATING ACTION BUTTONS */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  background-color: #25d366;
  color: var(--gw-white);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: all var(--transition-normal);
}
.floating-whatsapp:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
  color: var(--gw-white);
}
.back-to-top-btn {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 999;
  background-color: var(--gw-charcoal);
  color: var(--gw-white);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  border: 1px solid var(--gw-border);
}
.back-to-top-btn.is-visible {
  opacity: 0.85;
  visibility: visible;
}
.back-to-top-btn:hover {
  opacity: 1;
  background-color: var(--gw-green-primary);
}

/* 20. RESPONSIVE BREAKPOINTS (320px, 375px, 390px, 414px, 768px, 1024px, 1440px, 1920px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .border-hub-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .corridor-layout {
    grid-template-columns: 1fr;
  }
  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-py: 4rem;
  }
  .nav-menu, .nav-actions .btn-quote-desktop {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .top-ops-bar {
    display: none; /* Keep clean on small mobile */
  }
  .tracking-box {
    padding: 1.5rem;
    margin-top: -2rem;
  }
  .tracking-form-wrap {
    grid-template-columns: 1fr;
  }
  .timeline-stages {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }
  .timeline-stages::before, .timeline-progress-bar {
    display: none;
  }
  .stage-step {
    flex-direction: row;
    text-align: left;
    gap: 1rem;
    width: 100%;
  }
  .stage-dot {
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .process-timeline {
    grid-template-columns: 1fr;
  }
  .form-grid-3, .form-grid-4 {
    grid-template-columns: 1fr;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .floating-whatsapp {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
    font-size: 1.5rem;
  }
  .back-to-top-btn {
    bottom: 1.25rem;
    left: 1.25rem;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 414px) {
  .hero-title {
    font-size: 2.15rem;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .quote-header, .quote-form-body {
    padding: 1.5rem;
  }
}

/* Reduced Motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}