/* ==============================================================================
   Chadwick Products & Services LLC - Official Design System & Stylesheet
   Modern, Fully-Responsive, Semantic, High-Performance CSS
   ============================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Colors */
  --primary: #0092b2;
  --primary-hover: #007994;
  --primary-dark: #005a6e;
  --primary-light: #e0f4f8;
  --primary-gradient: linear-gradient(135deg, #0092b2 0%, #036fa1 100%);
  --secondary: #036fa1;
  --secondary-hover: #02557d;
  --accent-green: #10b981;
  --accent-green-bg: #ecfdf5;

  /* Neutral Tones */
  --dark: #0f172a;
  --dark-surface: #1e293b;
  --dark-border: #334155;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing & Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Elevation / Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -5px rgba(0, 146, 178, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 35px -5px rgba(0, 146, 178, 0.15), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 25px rgba(0, 146, 178, 0.25);

  /* Transitions */
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --header-height: 80px;
  --container-max: 1200px;
}

/* --- Global Reset & Box Sizing --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--gray-700);
  background-color: var(--white);
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--primary-hover);
}

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

ul, ol {
  list-style: none;
}

/* --- Accessibility & Focus Styles --- */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.skip-to-content {
  position: absolute;
  top: -9999px;
  left: 1rem;
  background: var(--primary);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 99999;
  font-weight: 600;
  transition: top 0.2s ease;
}

.skip-to-content:focus {
  top: 1rem;
}

/* --- Layout Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

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

/* Section Header Typography */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: var(--primary-light);
  color: var(--secondary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-badge.green {
  background: var(--accent-green-bg);
  color: var(--accent-green);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.25;
  margin-bottom: 1rem;
}

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

.section-subtitle {
  font-size: 1.15rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.section-dark .section-subtitle {
  color: var(--gray-300);
}

.divider-line {
  width: 60px;
  height: 4px;
  background: var(--primary-gradient);
  border-radius: 2px;
  margin: 1.25rem auto 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(0, 146, 178, 0.35);
}

.btn-primary:hover {
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 146, 178, 0.45);
}

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

.btn-secondary:hover {
  background: var(--secondary-hover);
  color: var(--white);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.7);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* --- Header & Navigation Bar --- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(15, 23, 42, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  color: #e2e8f0;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #38bdf8;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  padding: 0.5rem;
  cursor: pointer;
}

.hamburger-icon {
  width: 24px;
  height: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger-icon span {
  display: block;
  height: 2.5px;
  width: 100%;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-nav-toggle.active .hamburger-icon span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

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

.mobile-nav-toggle.active .hamburger-icon span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  background: linear-gradient(180deg, #f0f9fb 0%, #ffffff 100%);
  padding: 4.5rem 0 5rem;
  overflow: hidden;
  border-bottom: 1px solid var(--gray-200);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -150px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 146, 178, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 3.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.25rem;
  background: var(--primary-light);
  color: var(--secondary);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 6px rgba(0, 146, 178, 0.1);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-title .text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.35rem;
  color: var(--gray-600);
  line-height: 1.5;
  margin-bottom: 2.25rem;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero Feature Cards (Explore & Consultation) */
.hero-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 980px;
  margin: 0 auto;
}

.feature-action-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  text-align: center;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-slow);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.feature-action-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 146, 178, 0.3);
}

.feature-action-img {
  width: 170px;
  height: 170px;
  object-fit: contain;
  margin-bottom: 1.75rem;
  filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.08));
  transition: transform 0.3s ease;
}

.feature-action-card:hover .feature-action-img {
  transform: scale(1.05);
}

.feature-action-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.feature-action-desc {
  font-size: 1.05rem;
  color: var(--gray-600);
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

/* --- About Us Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-text {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--gray-700);
}

.about-text p {
  margin-bottom: 1.25rem;
}

.about-highlight-box {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-weight: 600;
  color: var(--dark);
  margin: 1.5rem 0;
}

.about-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.about-feature-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  color: var(--gray-800);
  font-size: 0.95rem;
}

.check-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--accent-green-bg);
  color: var(--accent-green);
  border-radius: 50%;
  font-weight: bold;
  flex-shrink: 0;
}

/* Leadership Grid (2 Columns) */
.leaders-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.leader-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.leader-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 146, 178, 0.3);
}

.leader-photo-wrap {
  position: relative;
  background: linear-gradient(180deg, #e2e8f0 0%, #cbd5e1 100%);
  display: flex;
  justify-content: center;
  align-items: flex-end;
  height: 290px;
  overflow: hidden;
}

.leader-photo {
  width: 220px;
  height: 270px;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.leader-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.leader-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.leader-title {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.leader-bio {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.leader-credentials {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.88rem;
  color: var(--gray-700);
}

.credential-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.45;
}

.credential-bullet {
  color: var(--primary);
  font-weight: bold;
  flex-shrink: 0;
}

.leader-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--primary-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--secondary);
  align-self: flex-start;
  margin-top: auto;
}

/* Research & Field Study Styles */
.research-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.research-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
}

.research-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.research-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.research-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.research-item h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.research-item p {
  color: var(--gray-600);
  font-size: 0.92rem;
  line-height: 1.5;
}

/* Strategy & Next Steps Grid (4 Columns) */
.strategy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.strategy-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.strategy-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.strategy-step-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 0.75rem;
  transition: color 0.25s ease;
}

.strategy-card:hover .strategy-step-num {
  color: var(--primary);
}

.strategy-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.strategy-card p {
  color: var(--gray-600);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* --- Products & Services Section --- */
.products-section {
  position: relative;
  background-color: var(--dark);
  color: var(--white);
  padding: 6rem 0;
  background-image: radial-gradient(circle at 10% 20%, rgba(0, 146, 178, 0.15) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(3, 111, 161, 0.2) 0%, transparent 40%);
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.product-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.product-image-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.product-image-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
  transform: translateY(-4px);
}

.product-img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  margin: 0 auto 1rem;
}

.product-img-caption {
  font-size: 0.9rem;
  font-weight: 600;
  color: #94a3b8;
}

.product-info-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(0, 146, 178, 0.25);
  border: 1px solid var(--primary);
  color: #38bdf8;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.product-info-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.product-info-desc {
  color: #cbd5e1;
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.spec-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: #e2e8f0;
  font-size: 0.95rem;
}

.spec-item svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* --- Testimonials Section --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 146, 178, 0.25);
}

.testimonial-rating {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.testimonial-quote {
  font-size: 1.05rem;
  color: var(--gray-700);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 1.75rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  border-top: 1px solid var(--gray-100);
  padding-top: 1.25rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.author-name {
  font-weight: 700;
  color: var(--gray-900);
  font-size: 0.95rem;
}

.author-role {
  color: var(--gray-500);
  font-size: 0.85rem;
}

/* --- Dual Call-to-Action Banners --- */
.dual-cta-section {
  padding: 3rem 0;
}

.dual-cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.cta-banner-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 1.75rem;
  transition: var(--transition);
}

.cta-banner-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.cta-banner-icon {
  width: 72px;
  height: 72px;
  object-fit: contain;
  flex-shrink: 0;
}

.cta-banner-body h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.cta-banner-body p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.cta-banner-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.95rem;
}

.cta-banner-link:hover {
  color: var(--secondary);
  gap: 0.6rem;
}

/* --- Blog Section ("Inside the Box") --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.blog-thumb-wrap {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--gray-100);
}

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

.blog-card:hover .blog-thumb {
  transform: scale(1.06);
}

.blog-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(15, 23, 42, 0.85);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.blog-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 0.75rem;
}

.blog-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.blog-excerpt {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* --- Contact & Consultation Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.contact-info-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.contact-info-card p {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact-items-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-title {
  font-weight: 700;
  color: var(--gray-900);
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.contact-item-val {
  color: var(--gray-600);
  font-size: 0.95rem;
}

.contact-item-val a {
  color: var(--gray-700);
}

.contact-item-val a:hover {
  color: var(--primary);
}

/* Contact Form */
.contact-form-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 0.45rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--gray-900);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 146, 178, 0.15);
  outline: none;
}

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

.form-status {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
}

.form-status.success {
  display: block;
  background: var(--accent-green-bg);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

.form-status.error {
  display: block;
  background: #fef2f2;
  color: #ef4444;
  border: 1px solid #f87171;
}

/* --- Footer --- */
.site-footer {
  background: var(--dark);
  color: #94a3b8;
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 1.25rem 0 1.5rem;
}

.footer-heading {
  font-family: var(--font-heading);
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: #cbd5e1;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
}

.footer-link:hover {
  color: #38bdf8;
  transform: translateX(3px);
}

/* Newsletter Form */
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.newsletter-input-group {
  display: flex;
  position: relative;
}

.newsletter-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  font-size: 0.95rem;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.1);
}

.newsletter-input::placeholder {
  color: #94a3b8;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: #64748b;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Back to Top Button --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 999;
}

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

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

/* --- Responsive Media Queries (Mobile First) --- */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.75rem;
  }
  .about-grid,
  .products-grid,
  .contact-grid,
  .research-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .strategy-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
  .testimonials-grid,
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-subtitle {
    font-size: 1.1rem;
  }
  .hero-cards-grid,
  .dual-cta-grid,
  .testimonials-grid,
  .blog-grid,
  .product-gallery,
  .product-specs,
  .about-features-list,
  .leaders-grid,
  .research-grid,
  .strategy-grid,
  .form-row {
    grid-template-columns: 1fr;
  }
  .feature-action-card {
    padding: 2rem 1.5rem;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--dark);
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    width: 100%;
  }
  .header-actions .btn {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}