/*=====================================================
  WEBSITE: Công ty Đông Nam Á - Dịch vụ Visa & Giấy phép Lao động
  VERSION: 1.0
  =====================================================*/

/* ============= VARIABLES ============= */
:root {
  /* Colors */
  --primary-color: #0066CC;
  --secondary-color: #FF6B35;
  --dark-blue: #003D82;
  --light-blue: #E8F4FF;
  --success-green: #28A745;
  --warning-orange: #FFA500;
  --text-dark: #2C3E50;
  --text-gray: #6C757D;
  --text-light: #95A5A6;
  --bg-light: #F8F9FA;
  --bg-white: #FFFFFF;
  --border-color: #DEE2E6;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.15);
  --shadow-xl: 0 12px 24px rgba(0,0,0,0.2);
  
  /* Transitions */
  --transition: all 0.3s ease;
}

/* ============= RESET & BASE ============= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ============= TYPOGRAPHY ============= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1.125rem;
}

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

/* ============= LAYOUT UTILITIES ============= */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section {
  padding: var(--spacing-xxl) 0;
}

.section-small {
  padding: var(--spacing-xl) 0;
}

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

/* Grid System */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 calc(-1 * var(--spacing-sm));
}

.col {
  flex: 1;
  padding: 0 var(--spacing-sm);
}

.col-2 {
  width: 50%;
  padding: 0 var(--spacing-sm);
}

.col-3 {
  width: 33.333%;
  padding: 0 var(--spacing-sm);
}

.col-4 {
  width: 25%;
  padding: 0 var(--spacing-sm);
}

/* ============= HEADER ============= */
.header {
  background-color: var(--bg-white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header-top {
  background-color: var(--primary-color);
  color: var(--bg-white);
  padding: var(--spacing-xs) 0;
  font-size: 0.875rem;
}

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

.header-contact a {
  color: var(--bg-white);
  margin-left: var(--spacing-md);
}

.header-contact a:hover {
  color: var(--secondary-color);
}

.header-contact i {
  margin-right: 0.25rem;
}

.header-main {
  padding: var(--spacing-md) 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo:hover {
  color: var(--dark-blue);
}

.logo img {
  height: 50px;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--text-dark);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
}

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

/* Dropdown Menu */
.nav-item {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  min-width: 250px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 100;
  padding: var(--spacing-sm) 0;
  margin-top: var(--spacing-xs);
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-dark);
  transition: var(--transition);
}

.dropdown-menu a:hover {
  background-color: var(--light-blue);
  color: var(--primary-color);
}

.dropdown-menu i {
  margin-right: var(--spacing-xs);
  color: var(--primary-color);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-color);
  cursor: pointer;
}

/* ============= BUTTONS ============= */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  font-size: 1rem;
  line-height: 1.5;
}

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

.btn-primary:hover {
  background-color: var(--dark-blue);
  color: var(--bg-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: #E55A25;
  color: var(--bg-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

/* ============= HERO SECTION ============= */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
  color: var(--bg-white);
  padding: var(--spacing-xxl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><circle cx="500" cy="500" r="400" fill="rgba(255,255,255,0.05)"/><circle cx="700" cy="300" r="200" fill="rgba(255,255,255,0.03)"/></svg>') no-repeat center;
  opacity: 0.3;
}

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

.hero-content {
  max-width: 700px;
}

.hero h1 {
  font-size: 3rem;
  color: var(--bg-white);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
  animation: fadeInUp 1s ease;
}

.hero-features {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  animation: fadeInUp 1.2s ease;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.hero-feature i {
  font-size: 1.5rem;
  color: var(--secondary-color);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  animation: fadeInUp 1.4s ease;
}

/* ============= TRUST BADGES ============= */
.trust-badges {
  background-color: var(--bg-white);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  text-align: center;
}

.badge-item {
  padding: var(--spacing-md);
}

.badge-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.badge-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark-blue);
  margin-bottom: var(--spacing-xs);
}

.badge-label {
  color: var(--text-gray);
  font-size: 0.9rem;
}

/* ============= SERVICES SECTION ============= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.service-card {
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 2px solid transparent;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.service-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-white);
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--dark-blue);
}

.service-card p {
  color: var(--text-gray);
  margin-bottom: var(--spacing-md);
}

.service-features {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.service-features li {
  padding: var(--spacing-xs) 0;
  color: var(--text-gray);
  display: flex;
  align-items: flex-start;
}

.service-features li::before {
  content: '✓';
  color: var(--success-green);
  font-weight: 700;
  margin-right: var(--spacing-sm);
}

/* ============= PROCESS SECTION ============= */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  position: relative;
}

.process-step {
  text-align: center;
  padding: var(--spacing-lg);
  position: relative;
}

.step-number {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-white);
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
  box-shadow: var(--shadow-lg);
}

.process-step h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--dark-blue);
}

.process-step p {
  color: var(--text-gray);
}

/* ============= PRICING TABLE ============= */
.pricing-table {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.pricing-card {
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  border: 2px solid var(--border-color);
  transition: var(--transition);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

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

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

.pricing-card h3 {
  font-size: 1.5rem;
  color: var(--dark-blue);
  margin-bottom: var(--spacing-sm);
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.pricing-price span {
  font-size: 1rem;
  color: var(--text-gray);
}

.pricing-duration {
  color: var(--text-gray);
  font-size: 0.9rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  display: flex;
  align-items: flex-start;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success-green);
  font-weight: 700;
  margin-right: var(--spacing-sm);
}

/* ============= TESTIMONIALS ============= */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.testimonial-card {
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial-quote {
  font-size: 3rem;
  color: var(--light-blue);
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  line-height: 1;
}

.testimonial-text {
  font-style: italic;
  color: var(--text-gray);
  margin-bottom: var(--spacing-md);
  padding-top: var(--spacing-xl);
}

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

.author-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info h5 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--dark-blue);
}

.author-role {
  font-size: 0.875rem;
  color: var(--text-gray);
}

.testimonial-rating {
  color: var(--warning-orange);
  margin-top: var(--spacing-xs);
}

/* ============= CTA SECTION ============= */
.cta {
  background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
  color: var(--bg-white);
  text-align: center;
  padding: var(--spacing-xxl) 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.cta h2 {
  color: var(--bg-white);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.cta p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

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

/* ============= FOOTER ============= */
.footer {
  background-color: var(--text-dark);
  color: var(--bg-white);
  padding: var(--spacing-xxl) 0 var(--spacing-md);
}

.footer-main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--bg-white);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.footer-section p,
.footer-section a {
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
}

.footer-section a:hover {
  color: var(--secondary-color);
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer-links a::before {
  content: '→';
  color: var(--secondary-color);
}

.footer-contact-info {
  list-style: none;
}

.footer-contact-info li {
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.footer-contact-info i {
  color: var(--secondary-color);
  margin-top: 0.25rem;
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background-color: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255,255,255,0.6);
}

/* ============= FLOATING ACTION BUTTONS ============= */
.floating-actions {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.fab {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-white);
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: var(--transition);
  animation: pulse 2s infinite;
}

.fab:hover {
  transform: scale(1.1);
}

.fab-phone {
  background-color: var(--success-green);
}

.fab-zalo {
  background: #0084FF;
}

.fab-messenger {
  background: linear-gradient(135deg, #00B2FF, #006AFF);
}

.fab-top {
  background-color: var(--primary-color);
  opacity: 0;
  visibility: hidden;
}

.fab-top.show {
  opacity: 1;
  visibility: visible;
}

/* ============= BREADCRUMB ============= */
.breadcrumb {
  background-color: var(--bg-light);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-gray);
}

.breadcrumb-list li::after {
  content: '›';
  color: var(--text-gray);
}

.breadcrumb-list li:last-child::after {
  display: none;
}

.breadcrumb-list li:last-child {
  color: var(--primary-color);
  font-weight: 500;
}

/* ============= TABLE OF CONTENTS ============= */
.toc {
  background-color: var(--light-blue);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  position: sticky;
  top: 100px;
}

.toc h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--dark-blue);
}

.toc-list {
  list-style: none;
}

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

.toc-list a {
  color: var(--text-dark);
  display: flex;
  align-items: flex-start;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.toc-list a:hover,
.toc-list a.active {
  background-color: var(--bg-white);
  color: var(--primary-color);
}

.toc-list a::before {
  content: '→';
  margin-right: var(--spacing-sm);
  color: var(--primary-color);
}

/* ============= CONTENT ARTICLE ============= */
.article-content {
  max-width: 900px;
  margin: 0 auto;
}

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

.article-meta {
  display: flex;
  gap: var(--spacing-lg);
  color: var(--text-gray);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.article-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 2px solid var(--light-blue);
}

.article-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.article-content ul,
.article-content ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

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

/* ============= FORMS ============= */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-dark);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition);
  font-family: var(--font-primary);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
}

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

/* ============= MODAL/POPUP ============= */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.7);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

.modal.show {
  display: flex;
}

.modal-content {
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideInDown 0.3s ease;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-gray);
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-dark);
}

.modal-body {
  padding: var(--spacing-lg);
}

/* ============= ANIMATIONS ============= */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideInDown {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% {
    box-shadow: var(--shadow-lg);
  }
  50% {
    box-shadow: 0 0 20px rgba(0,102,204,0.6);
  }
}

/* ============= RESPONSIVE DESIGN ============= */
@media (max-width: 992px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
  }
  
  .nav.show {
    display: flex;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-left: 2px solid var(--primary-color);
    margin-left: var(--spacing-md);
  }
  
  .col-2,
  .col-3,
  .col-4 {
    width: 100%;
  }
  
  .floating-actions {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
  }
  
  .fab {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xxl: 3rem;
    --spacing-xl: 2rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .services-grid,
  .pricing-table,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .header-top {
    display: none;
  }
  
  .badges-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .badge-number {
    font-size: 1.5rem;
  }
}