/* ==========================================
   ELECTRONICS SMART HOME ECOSYSTEM DESIGN
   Style: Smart Home Ecosystem
   Colors: Space Gray (#1f2937), Electric Blue (#2563eb), White
   Max Width: 1300px
   ========================================== */

:root {
  --primary-color: #03a9f4;
  --accent-color: #00bcd4;
  --bg-color: #f7f7f7;
  --text-color: #212121;
  --light-gray: #e5e5e5;
  --border-color: #ddd;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 11px 13px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif, sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #ffffff;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif, sans-serif;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1, .display-4 {
  font-size: 3rem;
  font-weight: 600;
}

h2, .display-5 {
  font-size: 2.5rem;
}

h3, .h3 {
  font-size: 1.75rem;
}

h4, .h4 {
  font-size: 1.5rem;
}

h5, .h5 {
  font-size: 1.25rem;
  font-weight: 500;
}

.lead {
  font-size: 1.125rem;
  font-weight: 300;
}

.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 16px;
}

section {
  padding: 99px 0;
}

/* ==========================================
   LOGO & IMAGES - CRITICAL
   ========================================== */

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

img:not(.logo-img):not(.logo) {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
  background-color: #ffffff;
  padding: 1rem 0;
  transition: all 0.3s ease;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
}

.site-name {
  color: var(--primary-color);
}

.nav-link {
  font-size: 0.938rem;
  font-weight: 500;
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  transition: color 0.3s ease;
}

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

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #059669;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-primary {
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
  background-color: transparent;
}

.btn-outline-primary:hover {
  background-color: var(--accent-color);
  color: #ffffff;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

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

.hero-section {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 102px 0;
}

.min-vh-85 {
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero-image-wrapper {
  position: relative;
}

.hero-badge {
  position: absolute;
  background-color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: 13px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  pointer-events: none;
}

.hero-badge i {
  font-size: 1.25rem;
  color: var(--accent-color);
}

.badge-1 {
  top: 10%;
  right: -5%;
  animation: float 3s ease-in-out infinite;
}

.badge-2 {
  bottom: 20%;
  left: -5%;
  animation: float 3s ease-in-out infinite 0.5s;
}

.badge-3 {
  top: 50%;
  right: -5%;
  animation: float 3s ease-in-out infinite 1s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-17px);
  }
}

.hero-background-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.hero-background-shapes .shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.05;
  pointer-events: none;
}

.shape-1 {
  width: 500px;
  height: 500px;
  background-color: var(--accent-color);
  top: -200px;
  right: -103px;
}

.shape-2 {
  width: 300px;
  height: 300px;
  background-color: var(--primary-color);
  bottom: -102px;
  left: -48px;
}

.shape-3 {
  width: 200px;
  height: 200px;
  background-color: var(--accent-color);
  top: 50%;
  left: 10%;
}

/* ==========================================
   STATS SECTION
   ========================================== */

.stats-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, #0f766e 100%);
  padding: 81px 0;
}

.stat-item i {
  opacity: 0.8;
}

/* ==========================================
   ECOSYSTEM SECTION - UNIQUE CONSTRAINT
   ========================================== */

.ecosystem-section {
  padding: 99px 0;
}

.ecosystem-diagram {
  position: relative;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 53px;
}

.ecosystem-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

.hub-circle {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--accent-color) 0%, #059669 100%);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: var(--shadow-lg);
  position: relative;
  pointer-events: none;
}

.hub-circle::before {
  content: '';
  position: absolute;
  width: 250px;
  height: 250px;
  border: 2px dashed var(--accent-color);
  border-radius: 50%;
  opacity: 0.3;
  animation: pulse 2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.1;
  }
}

.device-category {
  position: absolute;
  width: 180px;
}

.device-card {
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: 17px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: all 0.3s ease;
  pointer-events: none;
}

.device-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-color) 0%, transparent 100%);
  border-radius: 13px;
  opacity: 0;
  transition: opacity 0.3s ease;
  transform: translate(-50%, -50%);
  z-index: -1;
  pointer-events: none;
}

.device-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.device-card:hover::before {
  opacity: 0.05;
}

.device-card i {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 0.75rem;
}

.device-card h5 {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.compatibility-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  justify-content: center;
}

.compatibility-badges .badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
}

/* Device positioning */
.category-lighting {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.category-security {
  top: 15%;
  right: 5%;
}

.category-climate {
  bottom: 15%;
  right: 5%;
}

.category-entertainment {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.category-appliances {
  bottom: 15%;
  left: 5%;
}

.category-energy {
  top: 15%;
  left: 5%;
}

/* Compatibility Matrix */
.compatibility-matrix {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 19px;
  box-shadow: var(--shadow);
}

.compatibility-matrix table {
  margin-bottom: 0;
}

.compatibility-matrix th,
.compatibility-matrix td {
  padding: 1rem;
  vertical-align: middle;
}

.compatibility-matrix i.fa-check {
  font-size: 1.25rem;
}

.compatibility-matrix i.fa-times {
  font-size: 1.25rem;
}

/* ==========================================
   FEATURES SECTION
   ========================================== */

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

.feature-card {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-color) 0%, transparent 100%);
  border-radius: 19px;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  opacity: 0.05;
}

.feature-icon {
  width: 79px;
  height: 81px;
  background: linear-gradient(135deg, var(--accent-color) 0%, #059669 100%);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon i {
  font-size: 2rem;
  color: #ffffff;
}

.feature-list {
  list-style: none;
  padding-left: 0;
}

.feature-list li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
}

.feature-list li::before {
  content: '\f00c';
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--accent-color);
  pointer-events: none;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */

.service-card {
  background-color: #ffffff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-color) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  opacity: 0.1;
}

.service-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.service-card:hover .service-image img {
  transform: scale(1.1);
}

.service-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 81px;
  height: 82px;
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.service-card:hover .service-overlay {
  opacity: 1;
}

.service-overlay i {
  font-size: 2rem;
  color: var(--accent-color);
}

.service-content {
  padding: 2rem;
}

.service-features {
  list-style: none;
  padding-left: 0;
}

.service-features li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.service-features li::before {
  content: '\f00c';
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--accent-color);
  pointer-events: none;
}

/* ==========================================
   INTEGRATIONS SECTION
   ========================================== */

.integration-logo {
  padding: 1.5rem;
  transition: transform 0.3s ease;
}

.integration-logo:hover {
  transform: scale(1.1);
}

.integration-logo i {
  transition: color 0.3s ease;
}

.integration-logo:hover i {
  color: var(--accent-color) !important;
}

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */

.testimonial-card {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 13px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
}

.testimonial-card::before {
  content: '\f10d';
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 900;
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 3rem;
  color: var(--accent-color);
  opacity: 0.1;
  pointer-events: none;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.testimonial-avatar {
  width: 57px;
  height: 59px;
  border-radius: 50%;
  object-fit: cover;
}

/* ==========================================
   TEAM SECTION
   ========================================== */

.team-card {
  background-color: #ffffff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.team-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.team-image {
  position: relative;
  overflow: hidden;
  height: 300px;
}

.team-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.team-card:hover .team-image img {
  transform: scale(1.1);
}

.team-social {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.team-card:hover .team-social {
  opacity: 1;
}

.team-social a {
  width: 43px;
  height: 42px;
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
  text-decoration: none;
  transition: all 0.3s ease;
}

.team-social a:hover {
  background-color: var(--accent-color);
  color: #ffffff;
}

.team-content {
  padding: 1.5rem;
  text-align: center;
}

/* ==========================================
   FAQ SECTION
   ========================================== */

.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.accordion-button {
  font-weight: 500;
  padding: 1.25rem;
  background-color: #ffffff;
  color: var(--primary-color);
}

.accordion-button:not(.collapsed) {
  background-color: var(--bg-color);
  color: var(--accent-color);
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--accent-color);
}

.accordion-button::after {
  filter: brightness(0) saturate(100%) invert(47%) sepia(86%) saturate(407%) hue-rotate(101deg) brightness(94%) contrast(92%);
}

.accordion-body {
  padding: 1.25rem;
}

/* ==========================================
   PRICING SECTION
   ========================================== */

.pricing-card {
  background-color: #ffffff;
  border-radius: 18px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-color) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
  pointer-events: none;
}

.pricing-card:hover {
  transform: translateY(-13px);
  box-shadow: var(--shadow-lg);
}

.pricing-card:hover::before {
  opacity: 0.05;
}

.pricing-card-featured {
  border: 3px solid var(--accent-color);
}

.pricing-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--accent-color);
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 17px;
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 1.5rem 0;
}

.price-currency {
  font-size: 1.5rem;
  vertical-align: super;
}

.price-period {
  font-size: 1rem;
  color: #6b7280;
}

.pricing-features ul {
  list-style: none;
  padding-left: 0;
}

.pricing-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
  border-bottom: none;
}

/* ==========================================
   BLOG SECTION
   ========================================== */

.blog-card {
  background-color: #ffffff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg);
}

.blog-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-image img {
  transform: scale(1.1);
}

.blog-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--accent-color);
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 21px;
  font-size: 0.875rem;
  font-weight: 600;
}

.blog-content {
  padding: 2rem;
}

.blog-meta span {
  display: inline-block;
}

.blog-card-horizontal {
  background-color: #ffffff;
  border-radius: 13px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.blog-card-horizontal:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.blog-image-small {
  width: 150px;
  height: 150px;
  flex-shrink: 0;
}

.blog-image-small img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-content-small {
  padding: 1rem;
  flex: 1;
}

/* Article Single */
.article-single {
  background-color: #ffffff;
}

.article-featured-image img {
  border-radius: 17px;
}

.article-content {
  font-size: 1.125rem;
  line-height: 1.8;
}

.article-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
}

.article-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.article-content p {
  margin-bottom: 1.5rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-list {
  list-style: none;
  padding-left: 0;
}

.article-list li {
  padding-left: 2rem;
  position: relative;
  margin-bottom: 1rem;
}

.article-list li::before {
  content: '\f00c';
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--accent-color);
  pointer-events: none;
}

.article-image-inline img {
  border-radius: 11px;
}

.article-quote {
  background-color: var(--bg-color);
  border-left: 4px solid var(--accent-color);
  padding: 2rem;
  border-radius: 8px;
}

.article-quote blockquote {
  font-size: 1.25rem;
  font-style: italic;
  margin: 0;
}

.article-cta {
  border-left: 4px solid var(--accent-color);
}

/* ==========================================
   CASE STUDIES SECTION
   ========================================== */

.case-study-card {
  background-color: #ffffff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.case-study-card:hover {
  transform: translateY(-13px);
  box-shadow: var(--shadow-lg);
}

.case-study-image {
  position: relative;
  overflow: hidden;
  height: 300px;
}

.case-study-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.case-study-card:hover .case-study-image img {
  transform: scale(1.1);
}

.case-study-content {
  padding: 2rem;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact-info {
  background-color: var(--light-gray);
  padding: 2rem;
  border-radius: 14px;
  height: 100%;
}

.contact-form-wrapper {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.contact-item {
  padding: 1.5rem;
  background-color: #ffffff;
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.form-control, .form-select {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: border-color 0.3s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.25);
}

/* ==========================================
   LEGAL PAGES
   ========================================== */

.legal-content {
  background-color: #ffffff;
}

.legal-document {
  background-color: var(--light-gray);
  padding: 3rem;
  border-radius: 18px;
}

.legal-document h2 {
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
}

.legal-document h2:first-child {
  margin-top: 0;
}

.legal-document p {
  margin-bottom: 1.5rem;
}

.legal-document ul {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.legal-document li {
  margin-bottom: 0.75rem;
}

/* ==========================================
   SERVICE PAGES
   ========================================== */

.service-hero {
  background-color: var(--light-gray);
}

.process-step {
  position: relative;
  padding: 2rem;
}

.process-number {
  width: 63px;
  height: 61px;
  background: linear-gradient(135deg, var(--accent-color) 0%, #059669 100%);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

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

.footer {
  background-color: var(--primary-color);
  padding: 4rem 0 2rem;
}

.footer .site-name {
  color: #ffffff;
}

.text-light-gray {
  color: #d1d5db;
}

.footer-links a {
  color: #d1d5db;
  text-decoration: none;
  display: block;
  padding: 0.375rem 0;
  transition: color 0.3s ease;
}

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

.footer-contact a {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-contact a:hover {
  color: var(--accent-color);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 43px;
  height: 37px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, #0f766e 100%);
  padding: 78px 0;
}

/* ==========================================
   PAGE HERO
   ========================================== */

.page-hero {
  padding: 98px 0 77px;
  background-color: var(--light-gray);
}

/* ==========================================
   VALUE CARD
   ========================================== */

.value-card {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.value-icon i {
  transition: transform 0.3s ease;
}

.value-card:hover .value-icon i {
  transform: scale(1.1);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 991px) {
  h1, .display-4 {
    font-size: 2.5rem;
  }

  h2, .display-5 {
    font-size: 2rem;
  }

  section {
    padding: 81px 0;
  }

  .hero-section {
    min-height: auto;
    padding: 83px 0;
  }

  .min-vh-85 {
    min-height: auto;
  }

  .hero-badge {
    display: none;
  }

  .ecosystem-diagram {
    min-height: 500px;
  }

  .hub-circle {
    width: 150px;
    height: 150px;
  }

  .device-category {
    width: 140px;
  }

  .device-card {
    padding: 1rem;
  }

  .device-card i {
    font-size: 2rem;
  }
}

@media (max-width: 767px) {
  h1, .display-4 {
    font-size: 2rem;
  }

  h2, .display-5 {
    font-size: 1.75rem;
  }

  section {
    padding: 62px 0;
  }

  .navbar-brand {
    font-size: 1.25rem;
  }

  .logo-img {
    max-width: 39px;
  }

  .ecosystem-diagram {
    display: none;
  }

  .compatibility-matrix {
    overflow-x: auto;
  }

  .pricing-price {
    font-size: 2.5rem;
  }

  .blog-card-horizontal {
    flex-direction: column;
  }

  .blog-image-small {
    width: 100%;
    height: 200px;
  }
}

@media (max-width: 575px) {
  .container {
    padding: 0 12px;
  }

  .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }

  .feature-icon {
    width: 58px;
    height: 63px;
  }

  .feature-icon i {
    font-size: 1.5rem;
  }

  .stats-section .display-4 {
    font-size: 2rem;
  }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

.rounded-4 {
  border-radius: 15px !important;
}

.rounded-3 {
  border-radius: 13px !important;
}

.shadow {
  box-shadow: var(--shadow) !important;
}

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

.text-primary {
  color: var(--accent-color) !important;
}

.bg-primary {
  background-color: var(--accent-color) !important;
}

.text-muted {
  color: #6b7280 !important;
}

.bg-light {
  background-color: var(--light-gray) !important;
}