/* style/security-pledge.css */
:root {
  --primary-color: #FFD700;
  --secondary-color: #C41E3A;
  --dark-bg: #0A0E17;
  --light-bg: #1A2130;
  --text-light: #FFFFFF;
  --text-gray: #B0B9C7;
  --success-color: #4CAF50;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--dark-bg);
  color: var(--text-light);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
.header {
  background-color: rgba(10, 14, 23, 0.95);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-color);
  text-decoration: none;
  text-transform: uppercase;
}

.nav ul {
  display: flex;
  list-style: none;
}

.nav ul li {
  margin: 0 12px;
}

.nav ul li a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  padding: 8px 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.nav ul li a:hover, .nav ul li.active a {
  background-color: var(--secondary-color);
  color: white;
}

.auth-buttons {
  display: flex;
  gap: 10px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

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

.btn.primary:hover {
  background-color: #e6c200;
  transform: translateY(-2px);
}

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

.btn.secondary:hover {
  background-color: var(--primary-color);
  color: var(--dark-bg);
}

.mobile-menu-btn {
  display: none;
  font-size: 24px;
  color: white;
  cursor: pointer;
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(10, 14, 23, 0.8), rgba(10, 14, 23, 0.9)), url('images/security-bg.jpg') center/cover no-repeat;
  padding: 100px 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  text-transform: uppercase;
}

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

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: var(--text-gray);
}

.viet-phrase {
  display: block;
  color: var(--primary-color);
  font-weight: 600;
  margin-top: 10px;
  font-style: italic;
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.btn.large {
  padding: 15px 30px;
  font-size: 1.1rem;
}

/* Security Features */
.security-features {
  padding: 80px 0;
  background-color: var(--light-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.section-header p {
  color: var(--text-gray);
  font-size: 1.1rem;
}

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

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(255, 215, 0, 0.2);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(196, 30, 58, 0.3);
}

.feature-card .icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 215, 0, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 30px;
  color: var(--primary-color);
}

.feature-card h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.license-display {
  margin: 20px 0;
}

.license-img {
  width: 100%;
  border-radius: 8px;
  border: 2px solid var(--primary-color);
  margin-bottom: 10px;
}

.encryption-visual {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 25px 0;
}

.data-block {
  background: rgba(196, 30, 58, 0.2);
  padding: 15px;
  border-radius: 8px;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.data-block.encrypted {
  background: rgba(76, 175, 80, 0.2);
}

.encryption-process {
  flex: 1;
  text-align: center;
}

.lock {
  font-size: 30px;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.bits {
  font-weight: 700;
  color: var(--primary-color);
}

.tools {
  display: flex;
  justify-content: space-around;
  margin: 25px 0;
  flex-wrap: wrap;
}

.tool {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 10px;
}

.tool i {
  font-size: 24px;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.tool-btn {
  width: 100%;
  margin-top: 15px;
  background-color: var(--secondary-color);
  color: white;
}

.tool-btn:hover {
  background-color: #a0172e;
}

/* Support Section */
.support-section {
  padding: 80px 0;
  background: linear-gradient(to right, var(--dark-bg) 50%, rgba(10, 14, 23, 0.9) 50%);
}

.support-content {
  display: flex;
  background: rgba(26, 33, 48, 0.8);
  border-radius: 15px;
  overflow: hidden;
}

.support-info {
  flex: 1;
  padding: 40px;
}

.support-info h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.support-image {
  flex: 1;
}

.support-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.contact-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-5px);
  background: rgba(196, 30, 58, 0.1);
}

.contact-card i {
  font-size: 36px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.contact-card h4 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.support-btn {
  margin-top: 15px;
  width: 100%;
  background-color: var(--primary-color);
  color: var(--dark-bg);
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(to bottom, var(--secondary-color), var(--dark-bg));
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta-content p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 30px;
}

.keyword {
  color: var(--primary-color);
  font-weight: 600;
}

.steps {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 40px 0;
  flex-wrap: wrap;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: var(--dark-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 15px;
}

.btn.x-large {
  padding: 18px 40px;
  font-size: 1.3rem;
  margin: 30px 0;
}

.app-download {
  margin-top: 30px;
}

.download-badges {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 15px;
}

.app-badge {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  padding: 12px 20px;
  border-radius: 8px;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.app-badge:hover {
  background: rgba(255, 215, 0, 0.2);
}

.app-badge i {
  font-size: 28px;
  margin-right: 10px;
}

/* Footer Styles */
.footer {
  background-color: #05080f;
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.footer-brand p {
  color: var(--text-gray);
  margin-bottom: 20px;
}

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icons a {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.3s ease;
}

.social-icons a:hover {
  background: var(--primary-color);
  color: var(--dark-bg);
  transform: translateY(-3px);
}

.footer-links h4 {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-links h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--secondary-color);
}

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

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links ul li a {
  color: var(--text-gray);
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer-links ul li a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

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

.footer-contact ul li {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
}

.footer-contact ul li i {
  color: var(--primary-color);
  margin-right: 10px;
  width: 20px;
}

.payment-methods {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.payment-methods img {
  height: 30px;
  background: white;
  padding: 5px;
  border-radius: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  color: var(--text-gray);
  font-size: 0.9rem;
}

.seals {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 15px;
}

.seals img {
  height: 50px;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--light-bg);
  width: 100%;
  max-width: 500px;
  border-radius: 10px;
  padding: 30px;
  position: relative;
}

.close-modal {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-gray);
}

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

.modal h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--primary-color);
  text-align: center;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input, .form-group select {
  width: 100%;
  padding: 12px 15px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: 5px;
  color: white;
  font-size: 16px;
}

/* Responsive Design */
@media (max-width: 992px) {
  .support-content {
    flex-direction: column;
  }
  
  .support-image {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .nav, .auth-buttons {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .cta-group {
    flex-direction: column;
    align-items: center;
  }
  
  .steps {
    gap: 20px;
  }
}

@media (max-width: 576px) {
  .hero {
    padding: 60px 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .feature-card {
    padding: 20px;
  }
  
  .download-badges {
    flex-direction: column;
    align-items: center;
  }
}