/* 
 * Main Stylesheet - Modern Glassmorphism Design
 */
:root {
  --primary-color: #0b2239; /* Deep navy blue */
  --secondary-color: #ffd700; /* Premium gold */
  --accent-color: #00e5ff; /* Vibrant cyan */
  --text-dark: #1a1a1a;
  --text-light: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.7);
  --bg-dark: #051120;
  
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-blur: blur(12px);
  
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body {
  font-family: 'Mulish', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-light);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(0, 229, 255, 0.15), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(255, 215, 0, 0.15), transparent 25%);
  background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 1rem;
  font-weight: 800;
  line-height: 1.2;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Glassmorphism Utilities */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition);
}

.glass-panel:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 215, 0, 0.3);
}

/* Typography Enhancements */
.text-gradient {
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.underline-bar {
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* Buttons */
.btn-primary-lg, .btn-outline-lg, .btn-cta-orange, .btn-cta-blue {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 50px;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
}

.btn-primary-lg {
  background: linear-gradient(135deg, var(--secondary-color), #ff8c00);
  color: var(--text-dark);
  box-shadow: 0 10px 20px rgba(255, 215, 0, 0.3);
}

.btn-primary-lg:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 25px rgba(255, 215, 0, 0.4);
  color: var(--text-dark);
}

.btn-outline-lg {
  background: transparent;
  color: var(--text-light);
  border: 2px solid var(--accent-color);
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.2) inset;
}

.btn-outline-lg:hover {
  background: var(--accent-color);
  color: var(--text-dark);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 229, 255, 0.3);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 15px 0;
  background: rgba(5, 17, 32, 0.8);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-light);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
}

.main-nav a {
  margin: 0 15px;
  color: var(--text-light);
  font-weight: 600;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary-color);
  transition: var(--transition);
}

.main-nav a:hover::after {
  width: 100%;
}

.btn-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--accent-color);
  padding: 8px 20px;
  border-radius: 30px;
  color: var(--accent-color);
  font-weight: 700;
}

/* Hero Section */
.hero-section {
  padding: 150px 0 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.3);
  color: var(--accent-color);
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--secondary-color), #ff8c00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  margin-bottom: 40px;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 15px;
}

.avatar-stack {
  display: flex;
}

.avatar-stack img {
  border-radius: 50%;
  border: 2px solid var(--bg-dark);
  margin-left: -15px;
}

.avatar-stack img:first-child {
  margin-left: 0;
}

.avatar-count {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--secondary-color);
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8rem;
  margin-left: -15px;
  border: 2px solid var(--bg-dark);
  z-index: 10;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image-frame {
  position: relative;
  z-index: 2;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  border: 2px solid rgba(255,255,255,0.1);
}

.hero-image-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-badge-security {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: rgba(11, 34, 57, 0.9);
  backdrop-filter: blur(10px);
  padding: 15px 25px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  border: 1px solid rgba(255, 215, 0, 0.3);
  z-index: 3;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  animation: float 3s ease-in-out infinite;
}

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

.badge-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--secondary-color), #ff8c00);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
}

.badge-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

.badge-value {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0;
  color: var(--secondary-color);
}

/* Services */
.services-section {
  padding: 100px 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.service-card {
  padding: 40px 30px;
  text-align: center;
}

.card-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: rgba(0, 229, 255, 0.1);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
  border: 1px solid rgba(0, 229, 255, 0.2);
  transition: var(--transition);
}

.service-card:hover .card-icon {
  background: var(--accent-color);
  color: var(--text-dark);
  transform: rotate(5deg) scale(1.1);
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Pricing */
.pricing-section {
  padding: 100px 0;
}

.pricing-content {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  padding: 50px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.pricing-content table {
  width: 100%;
  border-collapse: collapse;
}

.pricing-content th {
  background: rgba(255, 255, 255, 0.05);
  color: var(--secondary-color);
  font-size: 1.2rem;
  padding: 20px;
  text-align: left;
  border-bottom: 2px solid rgba(255, 215, 0, 0.3);
}

.pricing-content td {
  padding: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 1.1rem;
}

.pricing-content tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Process Section */
.process-section {
  padding: 100px 0;
  position: relative;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: dashed 2px rgba(255, 215, 0, 0.3);
  z-index: -1;
}

.process-step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--bg-dark), #0b2239);
  border: 2px solid var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 900;
  color: var(--secondary-color);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
}

.process-step h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
}

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

/* CTA */
.cta-section {
  padding: 100px 20px;
}

.cta-inner {
  max-width: 1000px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(11, 34, 57, 0.9), rgba(5, 17, 32, 0.9));
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 40px;
  padding: 80px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

.cta-bg-icon {
  position: absolute;
  right: -50px;
  top: -50px;
  font-size: 300px;
  color: rgba(255, 255, 255, 0.02);
  z-index: 0;
  transform: rotate(-15deg);
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--text-light);
}

.cta-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.btn-cta-blue {
  background: linear-gradient(135deg, var(--accent-color), #00b0ff);
  color: var(--text-dark);
}

.btn-cta-blue:hover {
  box-shadow: 0 10px 25px rgba(0, 229, 255, 0.4);
  transform: translateY(-3px);
  color: var(--text-dark);
}

/* Areas */
.areas-section {
  padding: 100px 0;
}

.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.area-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 30px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.area-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 215, 0, 0.2);
  transform: translateX(10px);
}

.area-icon {
  width: 50px;
  height: 50px;
  background: rgba(255, 215, 0, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-color);
  flex-shrink: 0;
}

.area-card h4 {
  font-size: 1.2rem;
  margin-bottom: 5px;
}

.area-address {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-social-proof {
    justify-content: center;
  }
  .process-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .process-grid::before {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .cta-buttons {
    flex-direction: column;
  }
  .pricing-content {
    padding: 20px;
    overflow-x: auto;
  }
  .main-nav {
    display: none;
  }
}
/* Footer */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 80px 0 30px;
  margin-top: 50px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 15px;
  max-width: 400px;
}

.footer-column h4 {
  font-size: 1.2rem;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 15px;
  color: var(--text-muted);
}

.footer-contact li .material-symbols-outlined {
  color: var(--accent-color);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-socials {
  display: flex;
  gap: 15px;
}

.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  color: var(--text-light);
  transition: var(--transition);
}

.footer-socials a:hover {
  background: var(--accent-color);
  color: var(--text-dark);
  transform: translateY(-3px);
}

/* Mobile Bottom Navigation */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(11, 34, 57, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,215,0,0.2);
  z-index: 1000;
  padding: 10px 0;
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
}

.nav-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.nav-link, .nav-link-zalo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-decoration: none;
}

.nav-link:hover, .nav-link-zalo:hover {
  color: var(--secondary-color);
}

.nav-link-zalo {
  background: linear-gradient(135deg, var(--accent-color), #00b0ff);
  color: var(--text-dark);
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 800;
  box-shadow: 0 5px 15px rgba(0, 229, 255, 0.3);
}

.nav-link-zalo:hover {
  color: var(--text-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 229, 255, 0.4);
}

.nav-link.accent {
  color: var(--secondary-color);
}

.mobile-bottom-nav .material-symbols-outlined {
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
  body {
    padding-bottom: 80px; /* Space for mobile nav */
  }
  .mobile-bottom-nav {
    display: block;
  }
}