/* ========================================
   EnviroSentry WordPress Theme Stylesheet
   Smart Building Sensor Product for UK Schools
   Modern, Professional, Trustworthy Design
   ======================================== */

/* ==========================================
   1. CSS CUSTOM PROPERTIES & ROOT VARIABLES
   ========================================== */

:root {
  /* Brand Colors */
  --navy: #152238;
  --navy-light: #1e3354;
  --blue: #2d7dd2;
  --blue-light: #5ba4e6;
  --blue-pale: #e8f4fd;
  --green: #27ae60;
  --red: #e74c3c;
  --orange: #f39c12;
  --purple: #8e44ad;
  --white: #ffffff;

  /* Gray Scale */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;

  /* Text Colors */
  --text: #1e293b;
  --text-light: #64748b;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 5rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;

  /* Font Sizing */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Font Families */
  --font-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Max Widths */
  --max-width-container: 1200px;
  --max-width-narrow: 800px;
}

/* ==========================================
   2. GLOBAL RESET & BASE STYLES
   ========================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--text);
  background-color: var(--white);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 600;
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

h3 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

h4 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

h5 {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

h6 {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text);
}

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

a:hover {
  color: var(--blue-light);
}

ul,
ol {
  margin-bottom: var(--spacing-md);
  margin-left: var(--spacing-xl);
}

li {
  margin-bottom: var(--spacing-sm);
}

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

/* Container Utilities */
.container {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  width: 100%;
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  width: 100%;
}

/* ==========================================
   3. BUTTONS
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  gap: var(--spacing-sm);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

.btn-primary:hover {
  background-color: #1f5fa8;
  border-color: #1f5fa8;
}

.btn-primary:active {
  background-color: #185289;
}

.btn-outline {
  background-color: transparent;
  color: var(--blue);
  border-color: var(--blue);
}

.btn-outline:hover {
  background-color: var(--blue);
  color: var(--white);
}

.btn-white {
  background-color: var(--white);
  color: var(--navy);
  border-color: var(--white);
}

.btn-white:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-50);
}

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

.btn-outline-white:hover {
  background-color: var(--white);
  color: var(--navy);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

/* ==========================================
   4. HEADER & NAVIGATION
   ========================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  background-color: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  z-index: 1030;
}

/* Header is always solid white — keeps logo visible on all pages */

.site-header.scrolled {
  background-color: #ffffff !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08) !important;
}

.header-container {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  height: 72px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
  height: 100%;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-weight: 700;
  color: var(--navy);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.site-header.scrolled .site-logo {
  color: var(--navy);
}

/* Logo always uses dark color on white header */

.site-logo:hover {
  transform: scale(1.05);
}

.logo-img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-size: var(--font-size-lg);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
}

/* Main Navigation */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  margin: 0;
  padding: 0;
}

.nav-item,
.has-submenu {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 500;
  padding: var(--spacing-md) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

/* Default: dark text on white header */
.nav-link {
  color: #1e293b !important;
}

/* Nav links always dark on white header */

.nav-link:hover {
  background-color: rgba(45, 125, 210, 0.1);
}

/* Dropdown Menus */
.has-submenu > .nav-link::after {
  content: '';
  width: 5px;
  height: 5px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  display: inline-block;
  transform: rotate(45deg);
  margin-left: 4px;
}

.sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) 0;
  min-width: 200px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  margin: 0;
}

.has-submenu:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sub-menu li {
  margin: 0;
}

.sub-menu a {
  display: block;
  padding: var(--spacing-md) var(--spacing-xl);
  color: var(--text);
  transition: all var(--transition-base);
  border-left: 3px solid transparent;
}

.sub-menu a:hover {
  background-color: var(--gray-50);
  border-left-color: var(--blue);
  color: var(--blue);
}

/* Header CTA */
.header-cta {
  flex-shrink: 0;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-md);
  z-index: 1031;
  flex-shrink: 0;
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: currentColor;
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-toggle {
  color: var(--text);
}

.mobile-toggle.active .hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

.mobile-toggle.active .hamburger span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active .hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

/* ==========================================
   5. HERO SECTION
   ========================================== */

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  z-index: -2;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(45, 125, 210, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(45, 125, 210, 0.05) 0%, transparent 50%);
  z-index: -1;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background-color: rgba(45, 125, 210, 0.15);
  color: var(--blue-light);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  width: fit-content;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.5rem, 8vw, 3.75rem);
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  line-height: var(--line-height-relaxed);
  max-width: 500px;
  margin-bottom: var(--spacing-lg);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-2xl);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.stat-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(45, 125, 210, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-light);
  flex-shrink: 0;
}

.stat-text {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--white);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.75);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1000px;
}

.hero-device {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 420px;
  min-height: 300px;
}

.device-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(45, 125, 210, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(30px);
  animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.device-body {
  width: 280px;
  height: 200px;
  background: linear-gradient(145deg, #4a5a6c, #2a3444);
  border-radius: 20px;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255,255,255,0.15), inset 0 -1px 0 rgba(0,0,0,0.3);
  z-index: 2;
  border: 1px solid rgba(255,255,255,0.08);
}

.device-label {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-family: var(--font-heading);
  white-space: nowrap;
}

.device-vents {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 30px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
}

.device-vents::before,
.device-vents::after {
  content: '';
  display: block;
  width: 100%;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 1px;
}

.device-vents::before {
  box-shadow: 0 8px 0 rgba(255,255,255,0.15), 0 16px 0 rgba(255,255,255,0.15);
}

.device-led {
  position: absolute;
  width: 12px;
  height: 12px;
  background-color: var(--red);
  border-radius: 50%;
  top: 15px;
  right: 15px;
  box-shadow: 0 0 20px var(--red);
  animation: pulse-led 2s ease-in-out infinite;
  z-index: 3;
}

@keyframes pulse-led {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 20px var(--red);
  }
  50% {
    opacity: 0.6;
    box-shadow: 0 0 5px var(--red);
  }
}

.device-rings {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 480px;
  height: 480px;
  pointer-events: none;
}

.ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 2px solid var(--blue);
  animation: pulse-ring 2.5s ease-out infinite;
}

.ring-1 {
  width: 280px;
  height: 280px;
  animation-delay: 0s;
  border-color: rgba(45, 125, 210, 0.5);
}

.ring-2 {
  width: 380px;
  height: 380px;
  animation-delay: 0.5s;
  border-color: rgba(45, 125, 210, 0.3);
}

.ring-3 {
  width: 480px;
  height: 480px;
  animation-delay: 1s;
  border-color: rgba(45, 125, 210, 0.15);
}

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

/* ==========================================
   6. TRUST BAR
   ========================================== */

.trust-bar {
  background-color: var(--white);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  padding: var(--spacing-lg) 0;
  overflow: hidden;
}

.trust-items {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg) var(--spacing-2xl);
  width: 100%;
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-light);
}

.trust-icon {
  width: 32px;
  height: 32px;
  background-color: var(--blue-pale);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
}

/* ==========================================
   7. SECTIONS & SECTION HEADERS
   ========================================== */

.section {
  padding: 80px 0;
}

.section-dark {
  background-color: var(--navy);
  color: var(--white);
}

/* Reset text color for cards/panels that have white backgrounds inside dark sections */
.section-dark .compare-card,
.section-dark .feature-card,
.section-dark .proof-card,
.section-dark .metric-card,
.section-dark .pillar-card,
.section-dark .use-case,
.section-dark .impact-card,
.section-dark .evidence-card {
  color: var(--text);
}

.section-dark .compare-card h3,
.section-dark .compare-card h4,
.section-dark .feature-card h3,
.section-dark .proof-card h3,
.section-dark .metric-card h3,
.section-dark .metric-card h4,
.section-dark .pillar-card h3,
.section-dark .use-case h3,
.section-dark .use-case h4,
.section-dark .impact-card h3,
.section-dark .impact-card h4,
.section-dark .evidence-card h3 {
  color: var(--navy);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.85);
}

.section-dark .compare-card p,
.section-dark .feature-card p,
.section-dark .use-case p,
.section-dark .impact-card p,
.section-dark .evidence-card p {
  color: var(--text-light);
}

.section-light {
  background-color: var(--gray-50);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--blue);
  margin-bottom: var(--spacing-md);
  display: block;
}

.section-dark .section-label {
  color: var(--blue-light);
}

.section-header h2 {
  margin-bottom: var(--spacing-lg);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--text-light);
  margin-bottom: 0;
}

.section-dark .section-header p {
  color: rgba(255, 255, 255, 0.8);
}

/* ==========================================
   8. FEATURE CARDS
   ========================================== */

.feature-card {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--blue);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex !important;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  background-color: var(--icon-color, #e8f4fd);
  color: #ffffff !important;
  flex-shrink: 0;
  font-size: 1.5rem;
}

.feature-icon i,
.feature-icon .fas,
.feature-icon .fab,
.feature-icon .far {
  color: #ffffff !important;
  font-size: 1.5rem !important;
}

.feature-card h3 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.feature-card p {
  flex: 1;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--blue);
  transition: all var(--transition-base);
  margin-top: auto;
}

.feature-link:hover {
  gap: var(--spacing-md);
}

.feature-link::after {
  content: '→';
  display: inline-block;
  transition: transform var(--transition-base);
}

.feature-link:hover::after {
  transform: translateX(4px);
}

/* Feature Grid Layouts */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
}

.features-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-2xl);
}

.features-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
}

.feature-card-highlight {
  border-color: var(--blue);
  position: relative;
}

.feature-card-highlight::before {
  content: '';
  position: absolute;
  top: -1px;
  right: -1px;
  width: 40px;
  height: 40px;
  background-color: var(--blue);
  border-radius: 0 var(--radius-lg) 0 8px;
}

/* ==========================================
   9. FEATURE FULL WIDTH
   ========================================== */

.feature-full {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  margin-bottom: 80px;
}

.feature-full.reverse {
  direction: rtl;
}

.feature-full.reverse > * {
  direction: ltr;
}

.feature-full-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.feature-full-content h2 {
  margin-bottom: var(--spacing-lg);
}

.feature-full-content p {
  color: var(--text-light);
  line-height: var(--line-height-relaxed);
}

.feature-full-content ul {
  margin-left: var(--spacing-2xl);
}

.feature-full-content li {
  margin-bottom: var(--spacing-md);
  color: var(--text-light);
}

.feature-icon-lg {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--icon-color, var(--blue-pale));
  color: #ffffff;
  font-size: var(--font-size-4xl);
  flex-shrink: 0;
}

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

.feature-visual-card {
  background-color: var(--gray-900);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-xl);
  color: var(--white);
}

/* ==========================================
   10. VISUAL UI COMPONENTS
   ========================================== */

.visual-metric {
  margin-bottom: var(--spacing-lg);
}

.metric-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-sm);
  display: flex;
  justify-content: space-between;
}

.metric-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--white);
}

.metric-unit {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  font-weight: 400;
}

.metric-bar {
  height: 6px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--spacing-sm);
}

.metric-fill {
  height: 100%;
  background-color: var(--blue);
  border-radius: var(--radius-full);
  width: 65%;
  animation: metric-fill 1.5s ease-out forwards;
}

.metric-fill.good {
  background-color: var(--green);
}

.metric-fill.warning {
  background-color: var(--orange);
}

.metric-fill.danger {
  background-color: var(--red);
}

@keyframes metric-fill {
  from {
    width: 0;
  }
  to {
    width: var(--metric-width, 65%);
  }
}

.alert-card {
  background-color: rgba(231, 76, 60, 0.08);
  border: 2px solid var(--red);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  margin-bottom: 0;
  color: var(--text);
}

.alert-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  color: var(--red);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.alert-icon {
  width: 32px;
  height: 32px;
  background-color: rgba(231, 76, 60, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red);
  flex-shrink: 0;
}

.alert-title {
  font-weight: 700;
  color: var(--red);
  margin: 0;
}

.alert-body {
  color: var(--text);
  font-size: var(--font-size-sm);
}

.alert-detail {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(231, 76, 60, 0.1);
}

.alert-detail strong {
  color: var(--text);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background-color: rgba(39, 174, 96, 0.1);
  color: var(--green);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--green);
  border-radius: 50%;
}

/* Occupancy Grid */
.occupancy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.occ-room {
  background-color: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  text-align: center;
  transition: all var(--transition-base);
}

.occ-room.occupied {
  border-color: var(--green);
  background-color: rgba(39, 174, 96, 0.1);
}

.occ-room.empty {
  border-color: rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.02);
}

.occ-room span {
  display: block;
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-xs);
}

.occ-room small {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--white);
}

.occ-room.occupied small {
  color: var(--green);
}

.occ-room.empty small {
  color: rgba(255, 255, 255, 0.5);
}

.occ-room-name {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-sm);
}

.occ-room-status {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--white);
}

.occ-room.occupied .occ-room-status {
  color: var(--green);
}

/* SOS Card */
.sos-card {
  background: linear-gradient(135deg, rgba(231, 76, 60, 0.12) 0%, rgba(231, 76, 60, 0.04) 100%);
  border: 2px solid var(--red);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  color: var(--text);
}

.sos-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200px;
  height: 200px;
  background-color: var(--red);
  border-radius: 50%;
  opacity: 0.03;
  z-index: 0;
}

.sos-content {
  position: relative;
  z-index: 1;
}

.sos-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(231, 76, 60, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  color: var(--red);
  font-size: var(--font-size-2xl);
}

.sos-icon.pulse {
  animation: pulse-sos 1s ease-in-out infinite;
}

@keyframes pulse-sos {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.7);
  }
  50% {
    box-shadow: 0 0 0 15px rgba(231, 76, 60, 0);
  }
}

.sos-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--red);
  margin-bottom: var(--spacing-sm);
}

.sos-text {
  color: var(--text);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.sos-detail {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.sos-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background-color: rgba(231, 76, 60, 0.1);
  color: var(--red);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-top: var(--spacing-md);
}

/* Control Items */
.control-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.control-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.85);
}

.control-item i {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-lg);
  width: 24px;
  text-align: center;
}

.control-item span {
  flex: 1;
  margin-left: var(--spacing-md);
  color: rgba(255, 255, 255, 0.85);
}

.control-name {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.85);
}

.control-status {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.1);
}

.control-status.on {
  background-color: rgba(39, 174, 96, 0.2);
  color: var(--green);
}

.control-status.on::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--green);
  border-radius: 50%;
}

.control-status.off {
  background-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

.control-status.off::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
}

.control-status.warning {
  background-color: rgba(243, 156, 18, 0.2);
  color: var(--orange);
}

.control-status.warning::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--orange);
  border-radius: 50%;
}

/* ==========================================
   11. HOW IT WORKS SECTION
   ========================================== */

.how-it-works {
  padding: 80px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent 0%, var(--gray-300) 25%, var(--gray-300) 75%, transparent 100%);
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
}

.step:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.step-number {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin: -80px auto var(--spacing-lg);
  box-shadow: var(--shadow-lg);
}

.step h3 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.step p {
  color: var(--text-light);
  margin-bottom: 0;
}

/* ==========================================
   12. BENEFITS SECTION
   ========================================== */

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.benefit-item {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
  margin: 0;
}

.benefit-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(39, 174, 96, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  flex-shrink: 0;
  font-size: var(--font-size-lg);
}

.benefit-item h4 {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.benefit-item p {
  color: var(--text-light);
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Dashboard Preview */
.dashboard-preview {
  background-color: var(--gray-900);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.dashboard-header {
  background-color: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dashboard-dots {
  display: flex;
  gap: var(--spacing-sm);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red {
  background-color: var(--red);
}

.dot.yellow {
  background-color: var(--orange);
}

.dot.green {
  background-color: var(--green);
}

.dashboard-title {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin: 0;
}

.dashboard-body {
  padding: var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.dash-card {
  background-color: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.dash-label {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dash-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-md);
}

.dash-value.good {
  color: var(--green);
}

.dash-bar {
  height: 4px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.dash-bar-fill {
  height: 100%;
  background-color: var(--blue);
  border-radius: var(--radius-full);
  width: 75%;
}

.dash-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.7);
}

.dash-status-dot {
  width: 6px;
  height: 6px;
  background-color: var(--green);
  border-radius: 50%;
}

/* ==========================================
   13. SOCIAL PROOF SECTION
   ========================================== */

.social-proof {
  padding: 80px 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
}

.proof-card {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
}

.proof-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.proof-icon {
  width: 60px;
  height: 60px;
  background-color: var(--blue-pale);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--spacing-lg);
}

.proof-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.proof-card p {
  color: var(--text-light);
  margin-bottom: 0;
  font-size: var(--font-size-sm);
}

/* ==========================================
   13b. FEATURE INTRO
   ========================================== */

.feature-intro {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.feature-intro-content {
  text-align: center;
}

.feature-intro-content h2 {
  margin-bottom: var(--spacing-lg);
  color: var(--navy);
}

.feature-intro-content p {
  color: var(--text-light);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
}

/* ==========================================
   14. PAGE HERO
   ========================================== */

.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(45, 125, 210, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(45, 125, 210, 0.05) 0%, transparent 50%);
  z-index: 0;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

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

.page-hero-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto;
}

.page-hero-sm {
  padding: 100px 0 60px;
}

.page-hero-sm h1 {
  font-size: var(--font-size-4xl);
}

/* ==========================================
   15. METRICS GRID
   ========================================== */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
}

.metric-card {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
}

.metric-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.metric-card-icon {
  width: 60px;
  height: 60px;
  background-color: var(--blue-pale);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--spacing-lg);
}

.metric-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.metric-card p {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

.metric-threshold {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.metric-threshold.good {
  background-color: rgba(39, 174, 96, 0.15);
  color: var(--green);
}

.metric-threshold.warning {
  background-color: rgba(243, 156, 18, 0.15);
  color: var(--orange);
}

.metric-threshold.danger {
  background-color: rgba(231, 76, 60, 0.15);
  color: var(--red);
}

/* ==========================================
   16. PROCESS STEPS
   ========================================== */

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
}

.process-step {
  text-align: center;
}

.process-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0 auto var(--spacing-lg);
}

.process-step h4 {
  margin-bottom: var(--spacing-md);
}

.process-step p {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ==========================================
   17. TWO COLUMN CONTENT
   ========================================== */

.two-col-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.col-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.col-text h2 {
  margin-bottom: var(--spacing-lg);
}

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

.col-visual img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
}

/* ==========================================
   17b. SPECS GRID (Features page — stays on dark bg)
   ========================================== */

.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
}

.spec-card {
  text-align: center;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.spec-card:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.spec-card i {
  font-size: var(--font-size-3xl);
  color: var(--blue-light);
  margin-bottom: var(--spacing-lg);
  display: block;
}

.spec-card h3 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.spec-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ==========================================
   18. COMPARISON GRID
   ========================================== */

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: stretch;
}

.compare-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.compare-card:hover {
  box-shadow: var(--shadow-xl);
}

.compare-card.highlighted {
  border: 2px solid var(--blue);
  box-shadow: 0 10px 30px rgba(45, 125, 210, 0.15);
  transform: scale(1.02);
}

.compare-header {
  padding: var(--spacing-lg) var(--spacing-2xl);
  text-align: center;
  border-bottom: 2px solid var(--gray-200);
  color: var(--navy);
  font-size: var(--font-size-xl);
  font-weight: 700;
  font-family: var(--font-heading);
}

.compare-header.good {
  background-color: var(--blue-pale);
  border-bottom-color: var(--blue);
  color: var(--navy);
}

.compare-header.bad {
  background-color: var(--gray-100);
  color: var(--navy);
}

.compare-header h3 {
  margin-bottom: 0;
  font-size: var(--font-size-xl);
  color: var(--navy);
}

.compare-list {
  padding: var(--spacing-xl) var(--spacing-2xl);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  list-style: none;
  margin-left: 0;
  margin-bottom: 0;
}

.compare-list li,
.compare-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  font-size: var(--font-size-base);
  color: var(--text);
  line-height: var(--line-height-normal);
}

.compare-list li i {
  flex-shrink: 0;
  margin-top: 2px;
}

.compare-list li.positive i,
.compare-item.positive::before {
  color: var(--green);
}

.compare-list li.negative i,
.compare-item.negative::before {
  color: var(--red);
}

.compare-item.positive::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
  font-size: var(--font-size-lg);
}

.compare-item.negative::before {
  content: '✕';
  color: var(--red);
  font-weight: 700;
  flex-shrink: 0;
  font-size: var(--font-size-lg);
}

/* ==========================================
   19. FEATURE HIGHLIGHTS
   ========================================== */

.feature-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.highlight {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text);
}

.highlight::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

/* ==========================================
   20. PILLARS GRID
   ========================================== */

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
}

.pillar-card {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
}

.pillar-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.pillar-icon {
  width: 70px;
  height: 70px;
  background-color: var(--blue-pale);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  font-size: var(--font-size-3xl);
  margin: 0 auto var(--spacing-lg);
}

.pillar-card h3 {
  margin-bottom: var(--spacing-md);
}

.pillar-card p {
  color: var(--text-light);
  margin-bottom: 0;
}

/* ==========================================
   21. USE CASES GRID
   ========================================== */

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
}

.use-case {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
}

.use-case:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.use-case-icon {
  width: 60px;
  height: 60px;
  background-color: var(--blue-pale);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--spacing-lg);
}

.use-case h3,
.use-case h4 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.use-case p {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ==========================================
   22. EVIDENCE GRID
   ========================================== */

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
}

.evidence-card {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.evidence-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.evidence-icon {
  width: 50px;
  height: 50px;
  background-color: var(--blue-pale);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-lg);
}

.evidence-card h4 {
  margin-bottom: var(--spacing-md);
}

.evidence-card p {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.evidence-cite {
  font-size: var(--font-size-xs);
  color: var(--blue);
  font-weight: 600;
}

/* ==========================================
   23. CONTROL FEATURES GRID
   ========================================== */

.control-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
}

.control-feature {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
}

.control-feature:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.control-feature-icon {
  width: 60px;
  height: 60px;
  background-color: var(--blue-pale);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--spacing-lg);
}

.control-feature h3,
.control-feature h4 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.control-feature p {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ==========================================
   24. IMPACT GRID
   ========================================== */

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
}

.impact-card {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
}

.impact-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.impact-icon {
  width: 60px;
  height: 60px;
  background-color: var(--blue-pale);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--spacing-lg);
}

.impact-card h3,
.impact-card h4 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.impact-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--blue);
  margin-bottom: var(--spacing-md);
}

.impact-card p {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ==========================================
   25. ABOUT & VALUES
   ========================================== */

.about-values {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.value-card {
  background-color: var(--white);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  transition: all var(--transition-base);
}

.value-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateX(4px);
}

.value-icon {
  width: 56px;
  height: 56px;
  background-color: var(--blue-pale);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.value-content {
  flex: 1;
}

.value-card h3,
.value-card h4 {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.value-card p {
  color: var(--text-light);
  margin-bottom: 0;
}

/* ==========================================
   26. APPROACH GRID
   ========================================== */

.approach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: var(--spacing-2xl);
}

.approach-card {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  transition: all var(--transition-base);
}

.approach-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.approach-number {
  position: absolute;
  top: -15px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  box-shadow: var(--shadow-lg);
}

.approach-card h3 {
  margin-bottom: var(--spacing-md);
  padding-top: var(--spacing-md);
}

.approach-card p {
  color: var(--text-light);
  margin-bottom: 0;
}

/* ==========================================
   27. CONTACT SECTION
   ========================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-3xl);
}

.contact-form {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  color: var(--text);
}

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

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(45, 125, 210, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-row .form-group {
  margin-bottom: 0;
}

.form-message {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.form-message.success {
  background-color: rgba(39, 174, 96, 0.1);
  color: var(--green);
  border: 1px solid var(--green);
}

.form-message.error {
  background-color: rgba(231, 76, 60, 0.1);
  color: var(--red);
  border: 1px solid var(--red);
}

/* Contact Info Sidebar */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-info-card {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-method {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.contact-method-icon {
  width: 40px;
  height: 40px;
  background-color: var(--blue-pale);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
}

.contact-method-content h4 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.contact-method-content p {
  margin: 0;
  color: var(--text-light);
  font-size: var(--font-size-sm);
}

.contact-method-content a {
  color: var(--blue);
  font-weight: 500;
}

/* Next Steps */
.next-steps {
  background-color: var(--gray-50);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-lg);
}

.next-steps h4 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-base);
}

.next-step {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-light);
}

.next-step:last-child {
  margin-bottom: 0;
}

.next-step::before {
  content: attr(data-step);
  background-color: var(--blue);
  color: var(--white);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-xs);
  flex-shrink: 0;
}

/* ==========================================
   28. GLOBAL CTA SECTION
   ========================================== */

.global-cta {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.global-cta .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2xl);
}

.global-cta h2 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

.global-cta p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-bottom: var(--spacing-xl);
}

.global-cta-buttons {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: center;
}

/* ==========================================
   29. FOOTER
   ========================================== */

.site-footer {
  background-color: var(--navy);
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: 60px;
}

.footer-brand {
  grid-column: 1;
}

.footer-brand h3 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-lg);
}

.footer-social {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-social a {
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background-color: var(--blue);
  color: var(--white);
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-base);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-base);
  border-bottom: 1px solid transparent;
}

.footer-links a:hover {
  color: var(--white);
  border-bottom-color: var(--blue);
}

.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-contact-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-bottom-links a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-base);
}

.footer-bottom-links a:hover {
  color: var(--white);
}

/* ==========================================
   30. ANIMATIONS
   ========================================== */

[data-animate] {
  opacity: 0;
  transform: translateY(30px);
}

[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
  transition: all var(--transition-slow);
}

[data-delay="100"] {
  transition-delay: 0.1s;
}

[data-delay="200"] {
  transition-delay: 0.2s;
}

[data-delay="300"] {
  transition-delay: 0.3s;
}

[data-delay="400"] {
  transition-delay: 0.4s;
}

[data-delay="500"] {
  transition-delay: 0.5s;
}

/* Fade In Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Slide In Animation */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Slide In From Left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide In From Right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ==========================================
   31. RESPONSIVE DESIGN
   ========================================== */

/* Tablet (1024px and below) */
@media (max-width: 1024px) {
  .mobile-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--white);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 100px var(--spacing-xl) var(--spacing-xl);
    z-index: 1029;
    overflow-y: auto;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-menu {
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    padding: var(--spacing-md);
    width: 100%;
  }

  .sub-menu {
    position: static;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transform: none;
    box-shadow: none;
    margin-top: var(--spacing-md);
    transition: all var(--transition-base);
  }

  .has-submenu.submenu-open .sub-menu {
    opacity: 1;
    visibility: visible;
    max-height: 500px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .hero-visual {
    display: none;
  }

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

  .features-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .steps-grid::before {
    display: none;
  }

  .step-number {
    margin: 0 auto var(--spacing-lg);
  }

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

  .feature-full {
    grid-template-columns: 1fr;
  }

  .feature-full.reverse {
    direction: ltr;
  }

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

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

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

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

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

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

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

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

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

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

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

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

  .trust-bar .container {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .section {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .global-cta {
    padding: 60px 0;
  }

  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }

  h3 {
    font-size: var(--font-size-2xl);
  }
}

/* Mobile (768px and below) */
@media (max-width: 768px) {
  :root {
    --spacing-2xl: 2rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 3rem;
  }

  .container,
  .container-narrow {
    padding: 0 var(--spacing-lg);
  }

  .hero {
    min-height: 70vh;
    padding-top: 60px;
  }

  .hero h1 {
    font-size: var(--font-size-4xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn,
  .btn-lg {
    width: 100%;
  }

  .features-grid,
  .features-grid-2,
  .features-grid-3 {
    grid-template-columns: 1fr;
  }

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

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

  .process-steps {
    grid-template-columns: 1fr;
  }

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

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

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

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

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .footer-bottom-links {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  h3 {
    font-size: var(--font-size-xl);
  }

  .page-hero {
    padding: 120px 0 60px;
  }

  .page-hero h1 {
    font-size: var(--font-size-3xl);
  }

  .page-hero-subtitle {
    font-size: var(--font-size-base);
  }

  .section {
    padding: 50px 0;
  }

  .section-header {
    margin-bottom: 30px;
  }

  .global-cta {
    padding: 50px 0;
  }

  .global-cta-buttons {
    flex-direction: column;
  }

  .global-cta-buttons .btn {
    width: 100%;
  }
}

/* Small Mobile (480px and below) */
@media (max-width: 480px) {
  :root {
    --spacing-xl: 1rem;
    --spacing-2xl: 1.5rem;
  }

  .container,
  .container-narrow {
    padding: 0 var(--spacing-lg);
  }

  .header-inner {
    gap: var(--spacing-md);
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: 60vh;
    padding-top: 60px;
  }

  .hero h1 {
    font-size: var(--font-size-3xl);
  }

  .hero-badge {
    font-size: var(--font-size-xs);
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .stat-item {
    flex: 1;
    min-width: 45%;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--spacing-lg);
  }

  .metrics-grid,
  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .control-features-grid,
  .impact-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-body {
    grid-template-columns: 1fr;
  }

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

  .contact-form {
    padding: var(--spacing-lg);
  }

  .form-group {
    margin-bottom: var(--spacing-md);
  }

  .next-step::before {
    width: 20px;
    height: 20px;
    font-size: var(--font-size-xs);
  }

  h1 {
    font-size: var(--font-size-2xl);
  }

  h2 {
    font-size: var(--font-size-xl);
  }

  h3 {
    font-size: var(--font-size-lg);
  }

  .page-hero {
    padding: 100px 0 50px;
  }

  .page-hero h1 {
    font-size: var(--font-size-2xl);
  }

  .section {
    padding: 40px 0;
  }

  .section-header {
    margin-bottom: 25px;
  }

  .global-cta {
    padding: 40px 0;
  }

  .footer-bottom {
    text-align: center;
  }

  .feature-card,
  .proof-card,
  .metric-card,
  .pillar-card,
  .use-case,
  .evidence-card,
  .control-feature,
  .impact-card {
    padding: var(--spacing-lg);
  }

  .feature-icon,
  .proof-icon,
  .metric-card-icon,
  .pillar-icon,
  .use-case-icon,
  .evidence-icon,
  .control-feature-icon,
  .impact-icon {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-xl);
  }

  .step-number {
    width: 80px;
    height: 80px;
    font-size: var(--font-size-2xl);
    margin: -50px auto var(--spacing-lg);
  }

  .approach-number {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-base);
  }

  .value-card {
    flex-direction: column;
    text-align: center;
  }

  .value-icon {
    margin: 0 auto var(--spacing-md);
  }
}

/* ==========================================
   32. UTILITY CLASSES
   ========================================== */

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

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.text-white {
  color: var(--white);
}

.text-blue {
  color: var(--blue);
}

.text-green {
  color: var(--green);
}

.text-red {
  color: var(--red);
}

.text-muted {
  color: var(--text-light);
}

.mt-0 {
  margin-top: 0;
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

.mt-2xl {
  margin-top: var(--spacing-2xl);
}

.mb-0 {
  margin-bottom: 0;
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

.mb-2xl {
  margin-bottom: var(--spacing-2xl);
}

.pt-0 {
  padding-top: 0;
}

.pt-lg {
  padding-top: var(--spacing-lg);
}

.pt-2xl {
  padding-top: var(--spacing-2xl);
}

.pb-0 {
  padding-bottom: 0;
}

.pb-lg {
  padding-bottom: var(--spacing-lg);
}

.pb-2xl {
  padding-bottom: var(--spacing-2xl);
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.rounded {
  border-radius: var(--radius-lg);
}

.rounded-full {
  border-radius: var(--radius-full);
}

.shadow {
  box-shadow: var(--shadow-lg);
}

.no-shadow {
  box-shadow: none;
}

.border {
  border: 1px solid var(--gray-200);
}

.border-blue {
  border-color: var(--blue);
}

.border-green {
  border-color: var(--green);
}

.border-red {
  border-color: var(--red);
}

.flex {
  display: flex;
}

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

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

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.gap-xl {
  gap: var(--spacing-xl);
}

/* ==========================================
   BLOG: Cards, Listing, Single Post
   ========================================== */

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.blog-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* Blog Card */
.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.blog-card-image {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--gray-100);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue-pale), var(--gray-100));
}

.blog-card-placeholder i {
  font-size: 2.5rem;
  color: var(--blue);
  opacity: 0.4;
}

.blog-card-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: 0.8rem;
}

.blog-card-category {
  background: var(--blue-pale);
  color: var(--blue);
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: background 0.2s ease;
}

a.blog-card-category:hover {
  background: var(--blue);
  color: var(--white);
}

.blog-card-date {
  color: var(--text-light);
  font-size: 0.8rem;
}

.blog-card-date i {
  margin-right: 4px;
}

.blog-card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
  color: var(--text);
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.blog-card-title a:hover {
  color: var(--blue);
}

.blog-card-excerpt {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.blog-card-link {
  color: var(--blue);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s ease;
}

.blog-card-link:hover {
  gap: 10px;
}

.blog-card-link i {
  font-size: 0.75rem;
}

/* Section CTA (View All Posts) */
.section-cta {
  text-align: center;
  margin-top: var(--spacing-2xl);
}

/* Blog Pagination */
.blog-pagination {
  margin-top: var(--spacing-3xl);
  text-align: center;
}

.blog-pagination .page-numbers {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.blog-pagination .page-numbers li {
  display: inline;
}

.blog-pagination .page-numbers a,
.blog-pagination .page-numbers span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.2s ease;
  color: var(--text);
  background: var(--white);
  border: 1px solid var(--gray-200);
}

.blog-pagination .page-numbers a:hover {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

.blog-pagination .page-numbers .current {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

/* Blog Empty State */
.blog-empty {
  text-align: center;
  padding: var(--spacing-4xl) var(--spacing-xl);
}

.blog-empty i {
  font-size: 3rem;
  color: var(--blue);
  opacity: 0.3;
  margin-bottom: var(--spacing-lg);
}

.blog-empty h2 {
  color: var(--text);
  margin-bottom: var(--spacing-sm);
}

.blog-empty p {
  color: var(--text-light);
  max-width: 500px;
  margin: 0 auto;
}

/* ==========================================
   SINGLE POST STYLES
   ========================================== */

.single-hero-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
  opacity: 0.8;
}

.single-hero-info i {
  margin-right: 6px;
}

.single-featured-image {
  margin-bottom: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.single-featured-image img {
  width: 100%;
  height: auto;
  display: block;
}

.single-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text);
}

.single-content h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--navy);
}

.single-content h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--navy);
}

.single-content p {
  margin-bottom: var(--spacing-lg);
}

.single-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
}

.single-content blockquote {
  border-left: 4px solid var(--blue);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  background: var(--blue-pale);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--navy);
}

.single-content ul,
.single-content ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.single-content li {
  margin-bottom: var(--spacing-sm);
}

.single-content a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.single-content a:hover {
  color: var(--navy);
}

/* Tags */
.single-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--gray-200);
}

.tags-label {
  font-weight: 600;
  color: var(--text-light);
  font-size: 0.9rem;
}

.tags-label i {
  margin-right: 4px;
}

.tag-link {
  background: var(--gray-100);
  color: var(--text);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  text-decoration: none;
  transition: all 0.2s ease;
}

.tag-link:hover {
  background: var(--blue);
  color: var(--white);
}

/* Author Bio */
.single-author {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.author-avatar img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

.author-label {
  font-size: 0.8rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.author-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--navy);
  margin: 2px 0 var(--spacing-xs);
}

.author-bio {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Post Navigation */
.single-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--gray-200);
}

.single-nav-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background 0.2s ease;
}

.single-nav-link:hover {
  background: var(--gray-50);
}

.single-nav-link.next {
  text-align: right;
}

.nav-direction {
  font-size: 0.8rem;
  color: var(--blue);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.nav-title {
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.4;
}

/* Latest Posts on Homepage */
.latest-posts .section-cta {
  margin-top: var(--spacing-2xl);
}

/* ==========================================
   BLOG RESPONSIVE
   ========================================== */

@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-grid,
  .blog-grid-3 {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .single-author {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .single-nav {
    grid-template-columns: 1fr;
  }

  .single-nav-link.next {
    text-align: left;
  }

  .single-hero-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
}

/* ==========================================
   ADDITIONAL: Device Photo & Logo Sizing
   ========================================== */

/* Device photo in hero (replaces CSS-only device when image exists) */
.device-photo {
  max-width: 380px;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.4));
  position: relative;
  z-index: 2;
  /* Crop to show only the main device (top portion of composite image) */
  object-fit: cover;
  object-position: top center;
  aspect-ratio: 1 / 0.75;
}

/* Logo image sizing */
.site-logo .logo-img {
  max-height: 50px;
  width: auto;
  object-fit: contain;
}

.site-header.scrolled .logo-img {
  max-height: 45px;
}

.footer-logo img {
  max-height: 50px;
  width: auto;
  object-fit: contain;
}

.footer-logo .logo-name {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--white);
}

/* ==========================================
   ADDITIONAL: Innov8v Labs Footer Credit
   ========================================== */

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  width: 100%;
}

.footer-bottom-inner p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  margin: 0;
}

.footer-developed-by {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-developed-by span {
  color: rgba(255, 255, 255, 0.6);
}

.innov8v-logo {
  height: 28px;
  width: auto;
  object-fit: contain;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.innov8v-logo:hover {
  opacity: 1;
}

.innov8v-text {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

@media (max-width: 768px) {
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .device-photo {
    max-width: 280px;
  }
}

/* ==========================================
   END OF STYLESHEET
   ========================================== */