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

/* ==========================================
   DESIGN TOKENS & SYSTEM VARIABLES
   ========================================== */
:root {
  /* Colors */
  --bg-primary: #090d16;
  --bg-secondary: #0f1626;
  --bg-tertiary: #172237;
  --bg-glass: rgba(15, 22, 38, 0.7);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(16, 185, 129, 0.3);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-primary: #10b981;    /* Emerald Green */
  --accent-secondary: #06b6d4;  /* Cyan Blue */
  --accent-glow: rgba(16, 185, 129, 0.15);
  --accent-glow-strong: rgba(16, 185, 129, 0.4);
  
  /* Fonts */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Layout & Spacing */
  --container-max-width: 1280px;
  --nav-height: 72px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.25);
  
  /* Transition */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Skip Link Accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--accent-primary);
  color: #050811;
  padding: 8px 16px;
  z-index: 2000;
  transition: var(--transition-fast);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border-radius: 0 0 8px 8px;
  text-decoration: none;
}

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

/* Background Mesh Gradients */
.bg-glow-mesh {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.bg-glow-mesh::before, .bg-glow-mesh::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.12;
}

.bg-glow-mesh::before {
  top: -10%;
  right: 10%;
  width: 500px;
  height: 500px;
  background: var(--accent-primary);
}

.bg-glow-mesh::after {
  bottom: -10%;
  left: 10%;
  width: 600px;
  height: 600px;
  background: var(--accent-secondary);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 80px 0;
}

/* ==========================================
   NAVIGATION BAR
   ========================================== */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background-color: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition-normal);
}

.header-nav.scrolled {
  background-color: rgba(9, 13, 22, 0.9);
  height: 64px;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo-accent {
  color: var(--accent-primary);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
  position: relative;
  padding: 8px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transition: var(--transition-normal);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  position: relative;
  transition: var(--transition-normal);
}

.nav-toggle-icon::before, .nav-toggle-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  left: 0;
  transition: var(--transition-normal);
}

.nav-toggle-icon::before { top: -6px; }
.nav-toggle-icon::after { bottom: -6px; }

/* Mobile nav active state */
.nav-toggle.open .nav-toggle-icon {
  background-color: transparent;
}
.nav-toggle.open .nav-toggle-icon::before {
  transform: rotate(45deg);
  top: 0;
}
.nav-toggle.open .nav-toggle-icon::after {
  transform: rotate(-45deg);
  bottom: 0;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 40px);
  padding-bottom: 60px;
  overflow: hidden;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 40px;
  width: 100%;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-primary);
  background-color: var(--accent-glow);
  padding: 6px 16px;
  border-radius: 99px;
  border: 1px solid rgba(16, 185, 129, 0.2);
  margin-bottom: 24px;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.1);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 54px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 50ch;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-shield-glow {
  position: absolute;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, var(--accent-glow-strong) 0%, transparent 70%);
  filter: blur(20px);
  z-index: -1;
  animation: pulse-glow 4s infinite alternate ease-in-out;
}

.hero-phone-mockup {
  position: relative;
  width: 280px;
  height: 520px;
  background-color: #0b0f19;
  border: 12px solid #272f3d;
  border-radius: 40px;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(16, 185, 129, 0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hero-phone-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(180deg, #0e1726 0%, #050811 100%);
  text-align: center;
  position: relative;
}

.hero-phone-screen::before {
  content: '';
  position: absolute;
  top: 10px;
  width: 110px;
  height: 24px;
  background-color: #272f3d;
  border-radius: 12px;
}

.hero-phone-icon {
  font-size: 48px;
  color: var(--accent-primary);
  margin-bottom: 20px;
  filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.5));
  animation: pulse-lock 3s infinite ease-in-out;
}

.hero-phone-status {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.hero-phone-text {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  padding: 12px 28px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #050811;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4), var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

/* ==========================================
   TRUST LOGO WALL
   ========================================== */
.trust-section {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(15, 22, 38, 0.3);
  padding: 30px 0;
}

.trust-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.trust-title {
  font-family: var(--font-body);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
}

.trust-logo-item {
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.4;
  transition: var(--transition-normal);
  text-decoration: none;
}

.trust-logo-item:hover {
  opacity: 0.8;
}

.trust-logo-item svg {
  height: 24px;
  fill: var(--text-primary);
}

.trust-logo-item span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

/* ==========================================
   SERVICES TABS SECTION
   ========================================== */
.services-section {
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 50px auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-desc {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-secondary);
}

/* Services Tabs Navigation */
.tabs-nav-container {
  overflow-x: auto;
  padding: 4px;
  margin-bottom: 40px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Hide scrollbar for Firefox */
  -ms-overflow-style: none; /* Hide scrollbar for IE/Edge */
}

.tabs-nav-container::-webkit-scrollbar {
  display: none; /* Hide scrollbar for Chrome, Safari, Opera */
}

.tabs-nav {
  display: flex;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 6px;
  border-radius: 16px;
  gap: 4px;
  box-shadow: var(--shadow-sm);
  width: max-content;
  margin: 0 auto;
}

.tab-btn {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 10px 24px;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

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

.tab-btn.active {
  background-color: var(--bg-tertiary);
  color: var(--accent-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

/* Tab Panel Display */
.tab-panel {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.tab-panel.active {
  display: block;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
}

/* Card UI Component */
.service-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md), 0 4px 20px rgba(16, 185, 129, 0.05);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.card-icon {
  font-size: 24px;
  color: var(--accent-primary);
  background-color: var(--accent-glow);
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(16, 185, 129, 0.1);
}

.card-badge {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 99px;
  text-transform: uppercase;
}

.badge-active {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--accent-primary);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-paused {
  background-color: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.card-desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  margin-bottom: 20px;
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.meta-value {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.meta-value-highlight {
  color: var(--accent-primary);
}

/* ==========================================
   BENTO FEATURE GRID
   ========================================== */
.bento-section {
  position: relative;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.bento-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 36px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
}

.bento-card:hover {
  border-color: rgba(16, 185, 129, 0.2);
  transform: translateY(-2px);
}

.bento-col-2 {
  grid-column: span 2;
}

.bento-gradient-1 {
  background: linear-gradient(135deg, #0e1726 0%, #16243c 100%);
}

.bento-gradient-2 {
  background: linear-gradient(135deg, #0f1c2b 0%, #064e3b 100%); /* Forest/Emerald hint */
}

.bento-icon {
  font-size: 32px;
  color: var(--accent-primary);
  margin-bottom: auto;
}

.bento-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.bento-desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 45ch;
}

/* ==========================================
   PRICING PAGES STYLE (TABLES / SUB-NAV)
   ========================================== */
.pricing-header {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 40px;
  background: linear-gradient(180deg, rgba(15, 22, 38, 0.5) 0%, transparent 100%);
  border-bottom: 1px solid var(--border-color);
}

.pricing-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  transition: var(--transition-fast);
}

.pricing-back-btn:hover {
  color: var(--accent-primary);
}

.pricing-title-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  width: 100%;
}

.pricing-meta-update {
  font-size: 13px;
  color: var(--text-muted);
  background-color: var(--bg-secondary);
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}



/* ==========================================
   TESTIMONIALS (QUOTES)
   ========================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.testimonial-quote {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  position: relative;
}

.testimonial-quote::before {
  content: '“';
  font-family: var(--font-display);
  font-size: 40px;
  color: rgba(16, 185, 129, 0.15);
  position: absolute;
  top: -24px;
  left: -10px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: #050811;
  font-size: 14px;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary);
}

.author-role {
  font-size: 11px;
  color: var(--text-muted);
}

/* ==========================================
   CONTACT SECTION & FORM
   ========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}

.contact-grid.admin-disabled {
  grid-template-columns: 1fr;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-icon {
  font-size: 20px;
  color: var(--accent-primary);
  background-color: var(--accent-glow);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(16, 185, 129, 0.1);
  flex-shrink: 0;
}

.contact-info-content h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info-content p {
  font-size: 14px;
  color: var(--text-secondary);
}

.contact-card-form {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* ==========================================
   FOOTER
   ========================================== */
.site-footer {
  border-top: 1px solid var(--border-color);
  background-color: #050811;
  padding: 60px 0 30px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 12px;
  max-width: 320px;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

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

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ==========================================
   FLOATING ACTION BUTTONS (ZALO / PHONE)
   ========================================== */
.floating-contacts {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.floating-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  transition: var(--transition-fast);
  position: relative;
}

.floating-btn:active {
  transform: scale(0.95);
}

.floating-btn-zalo {
  background-color: #0068ff;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.floating-btn-zalo::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid #0068ff;
  opacity: 0.8;
  animation: pulse-ring 2s infinite;
  z-index: -1;
  pointer-events: none;
}

.floating-btn-phone {
  background-color: var(--accent-primary);
}

.floating-btn-phone::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--accent-primary);
  opacity: 0.8;
  animation: pulse-ring 2s infinite 0.5s;
  z-index: -1;
  pointer-events: none;
}

.floating-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* ==========================================
   KEYFRAME ANIMATIONS
   ========================================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
  0% { transform: scale(1); opacity: 0.12; }
  100% { transform: scale(1.1); opacity: 0.2; }
}

@keyframes pulse-lock {
  0% { transform: scale(1); filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.5)); }
  50% { transform: scale(1.05); filter: drop-shadow(0 0 20px rgba(16, 185, 129, 0.8)); }
  100% { transform: scale(1); filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.5)); }
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ==========================================
   RESPONSIVE MEDIA QUERIES
   ========================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 44px;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100vw;
    height: calc(100vh - 72px);
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 40px 24px;
    gap: 24px;
    transform: translateX(100%);
    transition: var(--transition-normal);
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.open {
    transform: translateX(0);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .bento-col-2 {
    grid-column: span 2;
  }
  
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 40px 0;
  }
  
  .header-nav {
    height: 64px;
  }
  
  .nav-menu {
    top: 64px;
    height: calc(100vh - 64px);
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .hero-phone-mockup {
    width: 240px;
    height: 440px;
    border-width: 8px;
    border-radius: 30px;
  }
  
  .bento-grid {
    grid-template-columns: 1fr;
  }
  
  .bento-col-2 {
    grid-column: span 1;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .trust-logos {
    gap: 20px;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .section-title {
    font-size: 28px !important;
  }
}

@media (max-width: 375px) {
  .hero-title {
    font-size: 26px;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-delay: -1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    background-attachment: initial !important;
    scroll-behavior: auto !important;
    transition-duration: 0s !important;
    transition-delay: 0s !important;
  }
}