/* ==========================================================================
   iSocial Vietnam - Master Stylesheet (Light Mode Premium Glassmorphic Theme)
   Brand Primary: #FF2B6D
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette - Light Mode Default */
  --primary: #FF2B6D;
  --primary-hover: #E01555;
  --primary-dark: #C70A47;
  --primary-light: #FFF0F5;
  --primary-subtle: #FFE4EC;
  --primary-glow: rgba(255, 43, 109, 0.25);
  --primary-glow-soft: rgba(255, 43, 109, 0.08);

  /* Backgrounds */
  --bg-body: #FAFBFC;
  --bg-surface: #FFFFFF;
  --bg-surface-translucent: rgba(255, 255, 255, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.75);
  --bg-card: #FFFFFF;
  --bg-secondary: #F1F5F9;

  /* Typography */
  --text-main: #0F172A;
  --text-heading: #090D16;
  --text-muted: #475569;
  --text-light: #64748B;
  --text-on-primary: #FFFFFF;

  /* Borders & Shadows */
  --border-color: rgba(226, 232, 240, 0.8);
  --border-highlight: rgba(255, 43, 109, 0.25);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 30px -5px rgba(255, 43, 109, 0.08), 0 8px 16px -6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 45px -10px rgba(255, 43, 109, 0.16), 0 12px 24px -6px rgba(15, 23, 42, 0.06);
  --shadow-glow: 0 0 30px rgba(255, 43, 109, 0.3);

  /* Layout */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 80px;
}

/* Dark Mode Theme Variant (Switchable) */
[data-theme="dark"] {
  --bg-body: #0B0F19;
  --bg-surface: #131826;
  --bg-surface-translucent: rgba(19, 24, 38, 0.85);
  --bg-glass: rgba(19, 24, 38, 0.75);
  --bg-card: #181F30;
  --bg-secondary: #1E263B;

  --text-main: #F8FAFC;
  --text-heading: #FFFFFF;
  --text-muted: #94A3B8;
  --text-light: #64748B;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(255, 43, 109, 0.4);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px -5px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 43, 109, 0.15);
  --shadow-lg: 0 20px 45px -10px rgba(0, 0, 0, 0.6), 0 0 35px rgba(255, 43, 109, 0.25);
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.25;
}

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Utilities */
.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, #FF6596 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--primary-subtle);
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #F51A5C 100%);
  color: var(--text-on-primary);
  box-shadow: 0 8px 25px rgba(255, 43, 109, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 43, 109, 0.45);
  background: linear-gradient(135deg, #FF3D7A 0%, var(--primary-dark) 100%);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-heading);
  border: 1.5px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

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

.btn-glow {
  animation: pulse-glow 2.5s infinite;
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(255, 43, 109, 0.4); }
  70% { box-shadow: 0 0 0 16px rgba(255, 43, 109, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 43, 109, 0); }
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  background: var(--bg-surface-translucent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

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

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.95rem;
  position: relative;
  padding: 8px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

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

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

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

.theme-toggle-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary-subtle);
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  color: var(--text-heading);
}

/* Hero Section */
.hero-section {
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, var(--primary-light) 0%, transparent 40%),
              radial-gradient(circle at 10% 80%, rgba(255, 43, 109, 0.05) 0%, transparent 30%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-heading);
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
}

.hero-btns {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}

.hero-visual {
  position: relative;
}

.hero-banner-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  overflow: hidden;
}

.hero-banner-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
}

.hero-banner-img {
  width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.floating-stat-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--bg-card);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1.5px solid var(--primary-subtle);
  display: flex;
  align-items: center;
  gap: 16px;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.floating-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.floating-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1;
}

.floating-lbl {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Stats Counter Section */
.stats-section {
  margin-top: -40px;
  position: relative;
  z-index: 10;
}

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

.stat-card {
  background: var(--bg-card);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #FF7FA7);
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--primary);
  font-family: 'Outfit', sans-serif;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.stat-subtext {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* Section Shared Headers */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px auto;
}

.section-title {
  font-size: 2.5rem;
  margin-top: 12px;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Section Styling */
.section-padding {
  padding: 96px 0;
}

/* Ecosystem Section */
.ecosystem-section {
  background: var(--bg-body);
  position: relative;
}

.filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.tab-btn {
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-btn:hover {
  color: var(--primary);
  border-color: var(--primary-subtle);
  background: var(--primary-light);
}

.tab-btn.active {
  background: var(--primary);
  color: var(--text-on-primary);
  border-color: var(--primary);
  box-shadow: 0 6px 20px rgba(255, 43, 109, 0.3);
}

.tab-count {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
}

.tab-btn:not(.active) .tab-count {
  background: var(--bg-secondary);
  color: var(--text-muted);
}

/* Category Infographic Banner Card */
.category-banner-wrap {
  margin-bottom: 40px;
}

.category-banner-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  align-items: center;
  gap: 32px;
  padding: 32px;
  transition: var(--transition);
  animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.category-banner-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-highlight);
}

.category-banner-title {
  font-size: 1.75rem;
  margin-bottom: 12px;
  color: var(--text-heading);
}

.category-banner-desc {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.category-banner-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.category-banner-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.category-banner-card:hover .category-banner-img {
  transform: scale(1.02);
}

.channels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.channel-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.channel-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-md);
}

.channel-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.channel-avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--primary-subtle);
}

.channel-info h4 {
  font-size: 1.15rem;
  margin-bottom: 2px;
}

.channel-category {
  font-size: 0.825rem;
  color: var(--text-light);
}

.channel-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  margin-top: 16px;
}

.channel-stat-item {
  display: flex;
  flex-direction: column;
}

.channel-stat-val {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--primary);
}

.channel-stat-lbl {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* Insight Analytics Section */
.insight-section {
  background: linear-gradient(180deg, var(--bg-body) 0%, var(--primary-light) 50%, var(--bg-body) 100%);
}

.insight-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.insight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.demographics-visual {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.gender-split-container {
  display: flex;
  gap: 24px;
}

.gender-box {
  flex: 1;
  background: var(--bg-secondary);
  padding: 24px;
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid var(--border-color);
}

.gender-box.male {
  border-left: 4px solid #3B82F6;
}

.gender-box.female {
  border-left: 4px solid var(--primary);
}

.gender-val {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.gender-box.male .gender-val { color: #3B82F6; }
.gender-box.female .gender-val { color: var(--primary); }

.gender-lbl {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

.location-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.loc-tag {
  padding: 8px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-color);
}

.loc-tag i {
  color: var(--primary);
}

.insight-img-preview {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

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

.service-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg);
}

.service-img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.service-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.service-content {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-main);
  font-weight: 500;
}

.service-features li i {
  color: var(--primary);
  font-size: 1rem;
}

/* Case Studies Section */
.case-studies-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.case-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.case-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.case-info {
  padding: 28px;
}

.case-tag {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: block;
}

.case-title {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.case-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background: var(--primary-light);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--primary-subtle);
}

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

.case-metric-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
}

.case-metric-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Interactive Campaign Estimator Tool */
.estimator-section {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-heading);
}

.select-input, .range-input {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-color);
  background: var(--bg-body);
  color: var(--text-main);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.select-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.range-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.budget-val-display {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.estimator-result-card {
  background: linear-gradient(135deg, var(--primary-light) 0%, #FFF 100%);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 2px solid var(--primary-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
}

.res-header {
  margin-bottom: 24px;
}

.res-reach-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  margin-top: 8px;
}

/* Client Brands Marquee & Showcase */
.brands-section {
  overflow: hidden;
}

.brand-full-banner {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  margin-bottom: 40px;
}

.brands-marquee {
  display: flex;
  gap: 40px;
  overflow: hidden;
  user-select: none;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.marquee-track {
  display: flex;
  gap: 40px;
  animation: marquee 25s linear infinite;
  white-space: nowrap;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.brand-badge-item {
  padding: 14px 28px;
  background: var(--bg-card);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-heading);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Footer & Modal */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding-top: 80px;
  padding-bottom: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-contact-item i {
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 4px;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  padding: 40px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.5rem;
  color: var(--text-light);
}

.modal-close-btn:hover {
  color: var(--primary);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid, .hero-title { font-size: 2.5rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .channels-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
  .insight-grid, .case-studies-grid, .estimator-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .mobile-menu-btn { display: block; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-content { align-items: center; }
  .hero-btns { flex-direction: column; width: 100%; }
  .btn { width: 100%; }
  .stats-grid, .channels-grid, .services-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .floating-stat-badge { display: none; }
}