/* Design System Base */
:root {
  --color-primary: #1e3a8a;
  --color-accent: #dc2626;
  --color-white: #ffffff;
  --color-light-bg: #f8fafc;
  --color-dark-text: #1f2937;
  --color-gray: #666666;
  --color-border: rgba(0, 0, 0, 0.1);

  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-base);
  line-height: 1.7;
  color: var(--color-dark-text);
  background-color: var(--color-white);
  font-size: 18px;
}

/* Navigation */
.header {
  background-color: var(--color-primary);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  gap: 20px;
}

.logo {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--color-white);
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
  transition: var(--transition);
  padding: 10px 20px;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-accent);
  outline: none;
}

.nav-link.active {
  border-bottom: 3px solid var(--color-accent);
}

.dropdown-arrow {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.nav-item:hover .dropdown-arrow {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-white);
  min-width: 250px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  margin-top: 10px;
  z-index: 100;
}

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

.dropdown-menu a {
  display: block;
  padding: 12px 20px;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.dropdown-menu a:first-child {
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
}

.dropdown-menu a:last-child {
  border-bottom-left-radius: 6px;
  border-bottom-right-radius: 6px;
}

.dropdown-menu a:hover,
.dropdown-menu a:focus {
  background-color: #f3f4f6;
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  outline: none;
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 28px;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

/* Checkout Hero Section */
.checkout-hero {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 40px 30px;
  text-align: center;
  border-bottom: 4px solid var(--color-accent);
}

.checkout-header {
  max-width: 1200px;
  margin: 0 auto;
}

.secure-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.15);
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

.checkout-header h1 {
  font-size: 42px;
  margin-bottom: 12px;
  font-weight: 800;
}

.checkout-subtitle {
  font-size: 18px;
  opacity: 0.95;
}

/* Checkout Section */
.checkout-section {
  background-color: var(--color-light-bg);
  padding: 60px 30px;
}

.checkout-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 50px;
  align-items: start;
}

/* Form Styles */
.checkout-form-wrapper {
  background-color: var(--color-white);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.form-section {
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 2px solid var(--color-light-bg);
}

.form-section:last-of-type {
  border-bottom: none;
}

.section-title {
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 25px;
  font-weight: 700;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--color-accent);
}

.form-group {
  margin-bottom: 25px;
}

.form-label {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-dark-text);
  margin-bottom: 8px;
}

.required {
  color: var(--color-accent);
  font-weight: 700;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  border: 2px solid #d1d5db;
  border-radius: 6px;
  transition: var(--transition);
  font-family: var(--font-family-base);
  background-color: var(--color-white);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-input.error {
  border-color: var(--color-accent);
}

.error-message {
  display: block;
  color: var(--color-accent);
  font-size: 15px;
  margin-top: 6px;
  font-weight: 500;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  cursor: pointer;
  font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.billing-fields {
  margin-top: 25px;
  padding-top: 25px;
  border-top: 2px solid var(--color-light-bg);
}

.submit-button {
  width: 100%;
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 20px;
  font-size: 22px;
  font-weight: 700;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 30px;
}

.submit-button:hover,
.submit-button:focus {
  background-color: #b91c1c;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4);
}

/* Order Summary */
.order-summary {
  background-color: var(--color-white);
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 100px;
}

.summary-title {
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 25px;
  font-weight: 700;
  padding-bottom: 15px;
  border-bottom: 3px solid var(--color-accent);
}

.product-details {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
  padding-bottom: 25px;
  border-bottom: 2px solid var(--color-light-bg);
}

.product-image {
  width: 100px;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.product-info {
  flex: 1;
}

.product-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark-text);
  margin-bottom: 8px;
}

.product-price {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
}

.summary-breakdown {
  margin-bottom: 25px;
  padding-bottom: 25px;
  border-bottom: 2px solid var(--color-light-bg);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 17px;
  margin-bottom: 12px;
  color: var(--color-dark-text);
}

.summary-total {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  padding-top: 15px;
  border-top: 3px solid var(--color-primary);
  margin-top: 15px;
}

.included-items {
  margin-bottom: 25px;
  padding-bottom: 25px;
  border-bottom: 2px solid var(--color-light-bg);
}

.included-items h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 15px;
}

.included-items ul {
  list-style: none;
  padding: 0;
}

.included-items li {
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
  color: var(--color-dark-text);
}

.included-items li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.trust-elements {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.trust-badge-small {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
}

.security-note {
  font-size: 14px;
  color: var(--color-gray);
  text-align: center;
  font-style: italic;
}

/* Success Message */
.success-message {
  background-color: #d1fae5;
  border: 2px solid #10b981;
  color: #065f46;
  padding: 20px;
  border-radius: 6px;
  margin-bottom: 30px;
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  display: none;
}

.success-message.show {
  display: block;
}

/* Old styles to preserve */
.hero {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 80px 30px;
  text-align: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 48px;
  line-height: 1.2;
  margin-bottom: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.hero-content .tagline {
  font-size: 22px;
  margin-bottom: 40px;
  color: var(--color-white);
  font-weight: 500;
  line-height: 1.5;
  opacity: 0.95;
}

.cta-button {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 20px 50px;
  font-size: 22px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 6px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.cta-button:hover,
.cta-button:focus {
  background-color: #b91c1c;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.5);
  outline: 3px solid var(--color-white);
  outline-offset: 2px;
}

.hero-image {
  text-align: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  border: 4px solid var(--color-white);
}

/* Benefits Section */
.benefits {
  background-color: var(--color-light-bg);
  padding: 80px 30px;
}

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

.benefits h2 {
  font-size: 38px;
  text-align: center;
  margin-bottom: 20px;
  color: var(--color-primary);
  font-weight: 800;
}

.benefits-intro {
  text-align: center;
  font-size: 20px;
  margin-bottom: 50px;
  color: var(--color-gray);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.benefits-list {
  display: grid;
  gap: 25px;
  margin-bottom: 50px;
}

.benefit-item {
  background-color: var(--color-white);
  padding: 30px;
  border-radius: 8px;
  border-left: 6px solid var(--color-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  font-size: 19px;
  line-height: 1.6;
}

.benefit-item strong {
  color: var(--color-primary);
  font-size: 21px;
  display: block;
  margin-bottom: 8px;
}

.cta-secondary {
  text-align: center;
  margin-top: 40px;
}

/* Trust Badges */
.trust-badges {
  background-color: var(--color-primary);
  padding: 60px 30px;
  border-top: 3px solid var(--color-accent);
  border-bottom: 3px solid var(--color-accent);
}

.trust-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.trust-container h2 {
  font-size: 32px;
  margin-bottom: 40px;
  color: var(--color-white);
  font-weight: 700;
}

.badges {
  display: flex;
  justify-content: center;
  gap: 50px;
  flex-wrap: wrap;
}

.badge {
  background-color: var(--color-white);
  padding: 25px 40px;
  border-radius: 8px;
  font-size: 19px;
  font-weight: 600;
  color: var(--color-primary);
  border: 2px solid var(--color-white);
  min-width: 220px;
}

.badge::before {
  content: "✓";
  display: block;
  font-size: 36px;
  color: var(--color-accent);
  margin-bottom: 10px;
  font-weight: bold;
}

/* About Section */
.about {
  background-color: var(--color-light-bg);
  padding: 80px 30px;
}

.about-container {
  max-width: 900px;
  margin: 0 auto;
}

.about h2 {
  font-size: 38px;
  margin-bottom: 30px;
  color: var(--color-primary);
  text-align: center;
  font-weight: 800;
}

.about p {
  font-size: 20px;
  line-height: 1.8;
  margin-bottom: 25px;
  color: var(--color-dark-text);
}

/* FAQ Section */
.faq {
  background-color: var(--color-white);
  padding: 80px 30px;
}

.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq h2 {
  font-size: 38px;
  margin-bottom: 50px;
  color: var(--color-primary);
  text-align: center;
  font-weight: 800;
}

.faq-item {
  margin-bottom: 30px;
  background-color: var(--color-light-bg);
  padding: 30px;
  border-radius: 8px;
  border-left: 6px solid var(--color-accent);
}

.faq-question {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 15px;
}

.faq-answer {
  font-size: 19px;
  line-height: 1.7;
  color: var(--color-dark-text);
}

/* Footer */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 50px 30px 30px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

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

.footer-section h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--color-white);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-section p,
.footer-section a {
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-white);
  text-decoration: none;
}

.footer-section a:hover,
.footer-section a:focus {
  color: var(--color-accent);
  text-decoration: underline;
  outline-color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 30px;
  font-size: 16px;
}

/* Mobile Navigation */
@media (max-width: 968px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    flex-direction: column;
    gap: 0;
    padding: 20px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }

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

  .nav-item {
    width: 100%;
  }

  .nav-link {
    padding: 15px 30px;
    width: 100%;
    justify-content: space-between;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background-color: rgba(255, 255, 255, 0.1);
    margin-top: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-item.mobile-open .dropdown-menu {
    max-height: 500px;
  }

  .dropdown-menu a {
    color: var(--color-white);
    padding: 12px 30px 12px 50px;
    border-left: none;
  }

  .dropdown-menu a:hover,
  .dropdown-menu a:focus {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-accent);
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .checkout-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .order-summary {
    position: static;
    order: 2;
  }

  .checkout-form-wrapper {
    order: 1;
  }
}

@media (max-width: 768px) {
  .checkout-header h1 {
    font-size: 32px;
  }

  .checkout-form-wrapper {
    padding: 25px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .section-title {
    font-size: 22px;
  }

  .submit-button {
    font-size: 20px;
    padding: 18px;
  }

  .order-summary {
    padding: 25px;
  }

  @media (max-width: 768px) {
    .hero-container {
      grid-template-columns: 1fr;
      gap: 40px;
    }

    .hero-content h1 {
      font-size: 36px;
    }

    .hero-content .tagline {
      font-size: 19px;
    }

    .cta-button {
      padding: 18px 40px;
      font-size: 20px;
    }

    /* Keep logo and hamburger in same row */
    .nav-container {
      flex-wrap: nowrap;
      gap: 15px;
    }

    .nav-menu {
      gap: 20px;
    }

    .benefits h2,
    .about h2,
    .faq h2 {
      font-size: 32px;
    }

    .badges {
      gap: 25px;
    }

    .badge {
      min-width: 180px;
      padding: 20px 30px;
    }
  }

  /* Accessibility */
  .skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 8px 16px;
    text-decoration: none;
    font-weight: bold;
    z-index: 100;
  }

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

  /* High contrast focus states for accessibility */
  *:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
  }
}

.flex {
  display: flex;
  gap: 3rem;
  align-items: center;
}

@media screen and (min-width: 768px) {
  .about-image {
    flex: 30%;
  }

  .about-content {
    flex: 70%;
  }
}

.about-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
  display: block;
  text-align: center;
}

.mw300 {
  max-width: 600px;
}

.mt3 {
  margin-top: 3rem;
}