/* GlobalXnet Digital - Modern Professional Styles */

/* ==================== CSS Variables ==================== */
:root {
  /* Colors - Deep Blue & White Professional */
  --primary: #1e73be;
  --primary-dark: #155a99;
  --primary-light: #3498db;
  --accent-blue: #1245a8;  /* Strategic accent color */
  --secondary: #2c3e50;
  --accent: #e74c3c;
  --success: #27ae60;

  --bg: #ffffff;
  --bg-alt: #f7f8f9;
  --bg-dark: #2c3e50;
  --text: #222222;
  --text-light: #666666;
  --text-muted: #999999;
  --border: #e1e4e8;

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

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Layout */
  --container-width: 1200px;
  --border-radius: 0.5rem;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

a:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ==================== Skip Link ==================== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  z-index: 9999;
}

.skip-link:focus {
  top: 0;
}

/* ==================== Container ==================== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-sm);
}

/* ==================== Header / Navigation ==================== */
.header {
  background: var(--bg);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  border-bottom: 2px solid #16a085;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-brand .logo-link {
  display: block;
  transition: var(--transition);
  line-height: 0;
}

.nav-brand .logo-link:hover {
  opacity: 0.8;
  transform: scale(1.05);
}

.nav-brand .logo-link:focus {
  outline: 2px solid var(--accent-blue);
  outline-offset: 4px;
  border-radius: 4px;
}

.nav-brand .logo-img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  display: block;
}

.nav-brand .brand-text {
  display: flex;
  flex-direction: column;
}

.nav-brand .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.nav-brand .tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.mobile-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary);
  margin: 3px 0;
  transition: var(--transition);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-md);
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  border-bottom-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* ==================== Buttons ==================== */
.btn-primary,
.btn-secondary,
.btn-text,
.btn-large,
.btn-submit {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: var(--font-main);
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: var(--accent-blue);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(18,69,168,0.3);
}

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

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

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-text {
  background: none;
  padding: 0.5rem 0;
  color: var(--primary);
  font-weight: 600;
}

.btn-text:hover {
  color: var(--primary-dark);
}

.btn-submit {
  background: var(--primary);
  color: white;
  width: 100%;
  padding: 1rem;
  font-size: 1.1rem;
}

.btn-submit:hover {
  background: var(--primary-dark);
}

/* ==================== Hero Section - Netflix Style ==================== */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #000;
}

/* Video Background */
.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: 1;
  background: #000;
}

/* Dark Overlay for Text Readability */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(0, 0, 0, 0.6) 50%,
    rgba(0, 0, 0, 0.8) 100%
  );
  z-index: 2;
}

/* Hero Content Wrapper */
.hero-content-wrapper {
  position: relative;
  z-index: 3;
  width: 100%;
  padding: var(--space-xl) 0;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
  line-height: 1.1;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.8);
  font-weight: 300;
}

.hero-cta {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.hero-cta .btn-large {
  font-size: 1.25rem;
  padding: 1.25rem 2.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  transition: all 0.3s ease;
}

.hero-cta .btn-large:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.hero-cta .btn-primary {
  background: var(--accent-blue);
  border: none;
}

.hero-cta .btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.8);
  color: white;
  backdrop-filter: blur(10px);
}

.hero-cta .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: white;
}

.hero-badges {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.badge {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.badge:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: white;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: bounce 2s infinite;
}

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

.scroll-indicator svg {
  opacity: 0.8;
}

/* ==================== Products Overview ==================== */
.products-overview {
  padding: var(--space-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.section-header p {
  font-size: 1.25rem;
  color: var(--text-light);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.product-card {
  background: white;
  padding: var(--space-md);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
  border-top: 3px solid var(--accent-blue);
}

.product-icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-sm);
}

.product-card h3 {
  color: var(--secondary);
  margin-bottom: var(--space-sm);
  font-size: 1.5rem;
}

.product-features {
  list-style: none;
  margin: var(--space-sm) 0;
}

.product-features li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.product-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.cta-center {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

/* ==================== Testimonials ==================== */
.testimonials {
  padding: var(--space-xl) 0;
  background: var(--bg-alt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.testimonial-card {
  background: white;
  padding: var(--space-md);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  border-left: 4px solid var(--accent-blue);
}

.quote-icon {
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.2;
  line-height: 1;
}

.testimonial-text {
  font-size: 1.1rem;
  font-style: italic;
  margin: var(--space-sm) 0;
  color: var(--text);
}

.testimonial-footer {
  border-top: 1px solid var(--border);
  padding-top: var(--space-sm);
  margin-top: var(--space-sm);
}

.testimonial-footer strong {
  display: block;
  color: var(--secondary);
  margin-bottom: 0.25rem;
}

.testimonial-footer span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==================== Why Choose Us ==================== */
.why-choose {
  padding: var(--space-xl) 0;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.benefit-card {
  text-align: center;
  padding: var(--space-md);
}

.benefit-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: var(--space-sm);
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
}

.benefit-card h3 {
  color: var(--secondary);
  margin-bottom: var(--space-sm);
}

/* ==================== CTA Section ==================== */
.cta-section {
  padding: var(--space-xl) 0;
  background: var(--accent-blue);
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.cta-content p {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  opacity: 0.9;
}

.cta-content .btn-large {
  background: white;
  color: var(--primary);
}

.cta-content .btn-large:hover {
  background: var(--bg-alt);
}

/* ==================== Footer ==================== */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.footer h3,
.footer h4 {
  margin-bottom: var(--space-sm);
  color: white;
}

.footer p {
  color: #bbb;
  margin-bottom: var(--space-sm);
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: 0.5rem;
}

.footer a {
  color: #ddd;
}

.footer a:hover {
  color: white;
}

.footer-certifications {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

.cert-badge {
  background: rgba(255,255,255,0.1);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.85rem;
}

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

.footer-legal {
  display: flex;
  gap: var(--space-sm);
  list-style: none;
}

/* ==================== Pages ==================== */
.page-hero {
  padding: var(--space-lg) 0;
  background: var(--accent-blue);
  color: white;
  text-align: center;
}

.page-hero h1 {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
}

/* Product Detail Pages */
.product-detail {
  padding: var(--space-lg) 0;
}

.product-detail.alt-bg {
  background: var(--bg-alt);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.product-detail-grid.reverse {
  direction: rtl;
}

.product-detail-grid.reverse > * {
  direction: ltr;
}

.product-category {
  display: inline-block;
  background: var(--accent-blue);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.product-detail h2 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.product-intro {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: var(--space-md);
}

.feature-list {
  list-style: none;
  margin-bottom: var(--space-md);
}

.feature-list li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
  font-size: 1.25rem;
}

.size-options,
.use-cases {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.size-badge,
.use-case-tag {
  background: var(--bg-alt);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
}

.product-cta {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* Comparison Tool */
.comparison-section {
  padding: var(--space-xl) 0;
  background: var(--bg-alt);
}

.comparison-controls {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.comparison-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: white;
  padding: var(--space-sm);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 600;
}

.comparison-checkbox input {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.comparison-table-wrapper {
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  background: white;
  border-radius: var(--border-radius);
  border-collapse: collapse;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-sm);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  background: var(--accent-blue);
  color: white;
  font-weight: 600;
}

.comparison-table th:first-child {
  background: var(--secondary);
}

.comparison-table td[data-product] {
  transition: var(--transition);
}

.comparison-table .product-col {
  min-width: 180px;
}

.comparison-cta {
  text-align: center;
  margin-top: var(--space-md);
}

.comparison-cta p {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

/* Contact Page */
.contact-section {
  padding: var(--space-xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-lg);
}

.contact-methods {
  margin: var(--space-md) 0;
}

.contact-method {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
}

.method-icon {
  font-size: 2rem;
}

.method-content h3 {
  margin-bottom: 0.25rem;
  color: var(--secondary);
}

.contact-badges {
  margin-top: var(--space-md);
  padding: var(--space-sm);
  background: var(--bg-alt);
  border-radius: var(--border-radius);
}

.badges-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: var(--space-sm);
}

.badge-item {
  color: var(--accent-blue);
  font-weight: 600;
}

.badge-item::before {
  content: "✓ ";
}

.contact-form-wrapper {
  background: white;
  padding: var(--space-md);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.contact-form {
  margin-top: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border);
  border-radius: var(--border-radius);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(18,69,168,0.1);
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: normal;
}

.checkbox-group input {
  width: auto;
}

.form-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
  text-align: center;
}

/* FAQ */
.faq-section {
  padding: var(--space-xl) 0;
  background: var(--bg-alt);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.faq-item {
  background: white;
  padding: var(--space-md);
  border-radius: var(--border-radius);
}

.faq-item h3 {
  color: var(--accent-blue);
  margin-bottom: var(--space-sm);
}

/* About Page */
.about-story {
  padding: var(--space-xl) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.about-content p {
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
  color: var(--text-light);
}

.mission-values {
  padding: var(--space-xl) 0;
  background: var(--bg-alt);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.mission-card {
  background: white;
  padding: var(--space-md);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.mission-card h3 {
  color: var(--accent-blue);
  margin-bottom: var(--space-sm);
  font-size: 1.5rem;
}

.mission-card ul {
  list-style: none;
}

.mission-card ul li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.mission-card ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-blue);
}

.certifications,
.why-us {
  padding: var(--space-xl) 0;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.cert-card {
  text-align: center;
  background: white;
  padding: var(--space-md);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.cert-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  color: var(--accent-blue);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.why-item {
  background: var(--bg-alt);
  padding: var(--space-md);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--accent-blue);
}

.why-item strong {
  display: block;
  color: var(--accent-blue);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

/* ==================== Responsive ==================== */
/* Ensure 4-card row on tablet and desktop */
@media (min-width: 769px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr) !important;
  }
}

@media (max-width: 968px) {
  .product-detail-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  .hero-cta .btn-large {
    font-size: 1.1rem;
    padding: 1rem 2rem;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--space-sm);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  /* Stack all grids to single column on mobile */
  .products-grid,
  .benefits-grid,
  .testimonials-grid,
  .why-grid,
  .cert-grid,
  .mission-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  /* Hero Mobile Styles */
  .hero {
    height: 100vh;
  }

  .hero-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta .btn-large {
    width: 100%;
    max-width: 300px;
    font-size: 1rem;
    padding: 1rem 1.5rem;
  }

  .hero-badges {
    font-size: 0.8rem;
  }

  .badge {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }

  .scroll-indicator {
    bottom: 20px;
    font-size: 0.75rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .comparison-controls {
    flex-direction: column;
  }

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

  .product-cta {
    flex-direction: column;
  }
}

/* Mobile Landscape */
@media (max-width: 896px) and (orientation: landscape) {
  .hero {
    height: 100vh;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .scroll-indicator {
    display: none;
  }
}

/* =============================================
   HS100 Headset Popup
   ============================================= */

.headset-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

.headset-popup.active {
  display: flex;
}

.popup-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}

.popup-content {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: slideUp 0.4s ease;
  border: 1px solid var(--border);
}

.popup-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.7);
  border: none;
  color: #ffffff;
  font-size: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
  line-height: 1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.popup-close:hover {
  background: #1245a8;
  transform: rotate(90deg);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(18, 69, 168, 0.4);
}

.popup-body {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 0;
  padding: 0;
  min-height: 400px;
}

.popup-image {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e3a8a 0%, #1245a8 100%);
  padding: 3rem 2rem;
  border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.popup-image img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.popup-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  padding: 2.5rem 2rem;
  background: rgba(255, 255, 255, 0.98);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.popup-text h3 {
  font-size: 1.6rem;
  color: #1245a8;
  margin: 0;
  font-weight: 700;
  line-height: 1.3;
}

.popup-text h4 {
  font-size: 1.2rem;
  color: #1e293b;
  margin: 0;
  font-weight: 600;
}

.popup-intro {
  font-size: 0.95rem;
  color: #475569;
  line-height: 1.6;
  margin: 0.5rem 0 1rem;
}

.popup-features {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 1.5rem;
}

.popup-features li {
  padding: 0.6rem 0;
  color: #334155;
  font-size: 0.95rem;
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.popup-features li strong {
  color: #1e293b;
  font-weight: 600;
}

.popup-cta {
  margin-top: 1rem;
  align-self: flex-start;
}

/* Popup Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Mobile Popup Styles */
@media (max-width: 768px) {
  .popup-content {
    width: 92%;
    max-height: 80vh;
    margin: auto;
  }

  .popup-body {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
    min-height: auto;
    max-height: 80vh;
    overflow-y: auto;
  }

  .popup-image {
    padding: 2rem 1.5rem 1.5rem;
    min-height: 180px;
    max-height: 220px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
  }

  .popup-image img {
    max-height: 180px;
    width: auto;
  }

  .popup-text {
    padding: 1.5rem 1.5rem 2rem;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
  }

  .popup-text h3 {
    font-size: 1.25rem;
    line-height: 1.3;
  }

  .popup-text h4 {
    font-size: 1rem;
  }

  .popup-intro {
    font-size: 0.875rem;
    margin: 0.5rem 0 0.75rem;
  }

  .popup-features {
    margin: 0.5rem 0 1rem;
  }

  .popup-features li {
    font-size: 0.875rem;
    padding: 0.4rem 0;
  }

  .popup-cta {
    width: 100%;
    text-align: center;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }

  .popup-close {
    width: 44px;
    height: 44px;
    font-size: 2rem;
    background: rgba(0, 0, 0, 0.75);
    top: 0.75rem;
    right: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  }
}