/* ============================================
   SMART SANDWICH DELIVERY INSIGHTS
   Main Stylesheet - Tech/Analytical Theme
   Colors: Dark Blue + White + Green Accents
   ============================================ */

/* --- CSS Variables & Reset --- */
:root {
  --dark-blue: #0a1628;
  --mid-blue: #112240;
  --light-blue: #1a3a6b;
  --accent-blue: #1e4d8c;
  --green: #00c853;
  --green-light: #00e676;
  --green-dark: #009624;
  --white: #ffffff;
  --off-white: #f4f7fc;
  --gray-light: #e8edf5;
  --gray-mid: #b0bcd4;
  --gray-text: #8a9bbf;
  --text-primary: #ffffff;
  --text-secondary: #b0bcd4;
  --border: rgba(255,255,255,0.08);
  --card-bg: rgba(255,255,255,0.04);
  --card-hover: rgba(255,255,255,0.07);
  --font-main: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.4);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--dark-blue);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

.text-green { color: var(--green); }
.text-blue { color: #4a9eff; }
.text-white { color: var(--white); }
.text-muted { color: var(--gray-text); }

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 48px 0;
}

.section-lg {
  padding: 120px 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

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

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-col {
  display: flex;
  flex-direction: column;
}

.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }

/* --- Sticky Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  height: 72px;
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.98);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--white);
  letter-spacing: -0.02em;
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.nav-logo span {
  color: var(--green);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

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

.nav-link.active {
  color: var(--green);
}

.nav-cta {
  padding: 9px 20px;
  background: var(--green);
  color: var(--dark-blue) !important;
  font-weight: 700;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--green-light);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--dark-blue) 0%, #0d1f3c 50%, #0a2040 100%);
  padding-top: 72px;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,83,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,83,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,200,83,0.08) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(30,77,140,0.2) 0%, transparent 70%);
  bottom: 0;
  left: -50px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,200,83,0.1);
  border: 1px solid rgba(0,200,83,0.25);
  color: var(--green);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  margin-bottom: 24px;
  color: var(--white);
}

.hero h1 .highlight {
  color: var(--green);
  position: relative;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--gray-mid);
  margin-bottom: 40px;
  max-width: 600px;
  line-height: 1.8;
}

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

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.hero-stat {
  text-align: center;
}

.hero-stat .stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--green);
  font-family: var(--font-mono);
  display: block;
}

.hero-stat .stat-label {
  font-size: 0.82rem;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green);
  color: var(--dark-blue);
}

.btn-primary:hover {
  background: var(--green-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,200,83,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background: var(--card-bg);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--green);
  padding: 12px 0;
}

.btn-ghost:hover {
  color: var(--green-light);
}

.btn-ghost .arrow {
  transition: var(--transition);
}

.btn-ghost:hover .arrow {
  transform: translateX(4px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* --- Section Headers --- */
.section-header {
  margin-bottom: 56px;
}

.section-header.centered {
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green);
  margin-bottom: 12px;
  font-family: var(--font-mono);
}

.section-tag::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
}

.section-header h2 {
  margin-bottom: 16px;
  color: var(--white);
}

.section-header p {
  font-size: 1.05rem;
  color: var(--gray-mid);
}

/* --- Cards --- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  background: var(--card-hover);
  border-color: rgba(0,200,83,0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 52px;
  height: 52px;
  background: rgba(0,200,83,0.1);
  border: 1px solid rgba(0,200,83,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

.card:hover .card-icon {
  background: rgba(0,200,83,0.18);
  transform: scale(1.05);
}

.card h3, .card h4 {
  color: var(--white);
  margin-bottom: 12px;
}

.card p {
  font-size: 0.92rem;
}

.card-tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(0,200,83,0.1);
  color: var(--green);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 20px;
  transition: var(--transition);
}

.card-link:hover {
  gap: 10px;
  color: var(--green-light);
}

/* --- Data Metrics / Stats --- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--accent-blue));
}

.metric-card:hover {
  border-color: rgba(0,200,83,0.2);
  transform: translateY(-3px);
}

.metric-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  font-family: var(--font-mono);
  display: block;
}

.metric-unit {
  color: var(--green);
  font-size: 1.2rem;
}

.metric-label {
  font-size: 0.82rem;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 8px;
  display: block;
}

.metric-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-top: 8px;
  padding: 2px 8px;
  border-radius: 100px;
}

.metric-trend.up {
  color: var(--green);
  background: rgba(0,200,83,0.1);
}

.metric-trend.down {
  color: #ff5252;
  background: rgba(255,82,82,0.1);
}

/* --- Progress / Data Bars --- */
.data-bar-section {
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.data-bar-item {
  margin-bottom: 20px;
}

.data-bar-item:last-child {
  margin-bottom: 0;
}

.data-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.data-bar-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.data-bar-value {
  font-size: 0.88rem;
  color: var(--green);
  font-weight: 700;
  font-family: var(--font-mono);
}

.data-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  overflow: hidden;
}

.data-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--green-light));
  border-radius: 100px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Feature List --- */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.feature-item:hover {
  border-color: rgba(0,200,83,0.2);
  background: var(--card-hover);
}

.feature-item-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: rgba(0,200,83,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.feature-item-text h5 {
  color: var(--white);
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.feature-item-text p {
  font-size: 0.85rem;
  color: var(--gray-text);
}

/* --- Blog Card --- */
.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  border-color: rgba(0,200,83,0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card-img {
  height: 200px;
  background: linear-gradient(135deg, var(--mid-blue), var(--light-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.blog-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(10,22,40,0.8));
}

.blog-card-body {
  padding: 24px;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.blog-date {
  font-size: 0.78rem;
  color: var(--gray-text);
  font-family: var(--font-mono);
}

.blog-category {
  font-size: 0.72rem;
  padding: 2px 8px;
  background: rgba(0,200,83,0.1);
  color: var(--green);
  border-radius: 100px;
  font-weight: 600;
  text-transform: uppercase;
}

.blog-card h4 {
  color: var(--white);
  margin-bottom: 10px;
  font-size: 1.05rem;
  line-height: 1.4;
}

.blog-card p {
  font-size: 0.88rem;
  line-height: 1.7;
}

/* --- Table --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th {
  padding: 14px 20px;
  text-align: left;
  background: rgba(0,200,83,0.06);
  border-bottom: 1px solid var(--border);
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}

.data-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: middle;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: var(--card-bg);
  color: var(--white);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.76rem;
  font-weight: 600;
}

.status-badge.good {
  background: rgba(0,200,83,0.12);
  color: var(--green);
}

.status-badge.moderate {
  background: rgba(255,193,7,0.12);
  color: #ffc107;
}

.status-badge.fast {
  background: rgba(33,150,243,0.12);
  color: #2196f3;
}

/* --- Accordion / FAQ --- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item.open {
  border-color: rgba(0,200,83,0.2);
}

.accordion-trigger {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  transition: var(--transition);
}

.accordion-trigger:hover {
  color: var(--green);
}

.accordion-icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
  color: var(--green);
}

.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
  background: rgba(0,200,83,0.1);
  border-color: rgba(0,200,83,0.3);
}

.accordion-content {
  display: none;
  padding: 0 24px 20px;
}

.accordion-item.open .accordion-content {
  display: block;
}

.accordion-content p {
  font-size: 0.92rem;
  color: var(--gray-mid);
}

/* --- Timeline --- */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--green), rgba(0,200,83,0.1));
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--green);
  border-radius: 50%;
  border: 3px solid var(--dark-blue);
  box-shadow: 0 0 0 2px var(--green);
}

.timeline-step {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
  font-family: var(--font-mono);
}

.timeline-item h4 {
  color: var(--white);
  margin-bottom: 6px;
  font-size: 1rem;
}

.timeline-item p {
  font-size: 0.88rem;
  color: var(--gray-text);
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--dark-blue) 0%, var(--mid-blue) 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,83,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,83,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.page-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--gray-text);
  margin-bottom: 16px;
  font-family: var(--font-mono);
}

.page-hero .breadcrumb a {
  color: var(--green);
}

.page-hero .breadcrumb span {
  color: var(--gray-text);
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.1rem;
  max-width: 600px;
}

/* --- Category Pills --- */
.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.pill {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.pill:hover, .pill.active {
  background: rgba(0,200,83,0.1);
  border-color: rgba(0,200,83,0.3);
  color: var(--green);
}

/* --- Contact Form --- */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 14px 18px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 0.95rem;
  font-family: var(--font-main);
  transition: var(--transition);
  outline: none;
}

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

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: rgba(0,200,83,0.4);
  background: rgba(0,200,83,0.04);
  box-shadow: 0 0 0 3px rgba(0,200,83,0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

/* --- Info Box --- */
.info-box {
  padding: 20px 24px;
  background: rgba(0,200,83,0.06);
  border: 1px solid rgba(0,200,83,0.15);
  border-left: 3px solid var(--green);
  border-radius: var(--radius-sm);
  margin: 24px 0;
}

.info-box p {
  font-size: 0.92rem;
  color: var(--gray-mid);
}

.warning-box {
  padding: 20px 24px;
  background: rgba(255,193,7,0.06);
  border: 1px solid rgba(255,193,7,0.2);
  border-left: 3px solid #ffc107;
  border-radius: var(--radius-sm);
  margin: 24px 0;
}

.warning-box p {
  font-size: 0.92rem;
  color: var(--gray-mid);
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--mid-blue), var(--light-blue));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(0,200,83,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.cta-banner p {
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  background: var(--mid-blue);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h5 {
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  font-family: var(--font-mono);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--gray-text);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--green);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-contact-icon {
  font-size: 0.9rem;
  margin-top: 2px;
}

.footer-contact-item span {
  font-size: 0.85rem;
  color: var(--gray-text);
  line-height: 1.5;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: gap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--gray-text);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-legal a {
  font-size: 0.82rem;
  color: var(--gray-text);
  transition: var(--transition);
}

.footer-legal a:hover {
  color: var(--green);
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--gray-text);
  margin-bottom: 16px;
}

.breadcrumb a { color: var(--green); }
.breadcrumb span { color: var(--gray-text); }

/* --- Sidebar Layout --- */
.content-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 92px;
}

.sidebar-widget {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-widget h5 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-links a {
  font-size: 0.88rem;
  color: var(--gray-text);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-links a:hover, .sidebar-links a.active {
  color: var(--green);
  background: rgba(0,200,83,0.06);
  padding-left: 14px;
}

/* --- Article Content --- */
.article-content h2 {
  font-size: 1.6rem;
  color: var(--white);
  margin: 40px 0 16px;
}

.article-content h3 {
  font-size: 1.25rem;
  color: var(--white);
  margin: 32px 0 12px;
}

.article-content p {
  margin-bottom: 20px;
  font-size: 0.97rem;
  color: var(--gray-mid);
  line-height: 1.85;
}

.article-content ul {
  list-style: none;
  margin: 16px 0 24px;
}

.article-content ul li {
  padding: 6px 0 6px 20px;
  font-size: 0.95rem;
  color: var(--gray-mid);
  position: relative;
}

.article-content ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 0.85rem;
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--border);
  margin: 48px 0;
}

/* --- Tags --- */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 5px 12px;
  font-size: 0.78rem;
  color: var(--gray-text);
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: var(--transition);
  cursor: pointer;
}

.tag:hover {
  color: var(--green);
  border-color: rgba(0,200,83,0.3);
  background: rgba(0,200,83,0.05);
}

/* --- Back to top --- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--green);
  color: var(--dark-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  border: none;
  box-shadow: 0 4px 16px rgba(0,200,83,0.3);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--green-light);
  transform: translateY(-3px);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .content-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10,22,40,0.98);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    gap: 4px;
    backdrop-filter: blur(20px);
  }
  .nav-link { width: 100%; padding: 12px 16px; }
  .nav-cta { text-align: center; }

  .grid-2, .grid-3, .grid-4, .metrics-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-banner { padding: 40px 24px; }

  .section { padding: 60px 0; }
  .section-lg { padding: 80px 0; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; justify-content: center; }
}

/* --- Utility --- */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }

.hidden { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* --- Animate on scroll --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* --- Print --- */
@media print {
  .navbar, .back-to-top { display: none; }
  body { background: white; color: black; }
}