/* Header */
.header {
  position: sticky;
  top: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-mercury);
  padding: var(--spacing-sm) 0;
  z-index: 1000;
}

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

.logo {
  height: 32px;
  width: auto;
}

.nav {
  display: none;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-science-blue);
}

.header-cta {
  display: none;
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-fast);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 65px;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-mercury);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
  display: block;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.mobile-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

@media (min-width: 992px) {
  .nav {
    display: block;
  }

  .header-cta {
    display: flex;
    gap: var(--spacing-sm);
  }

  .mobile-menu-toggle {
    display: none;
  }
}

/* Hero Section */
.hero {
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero-subhead {
  font-size: 18px;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.hero-video {
  margin-top: var(--spacing-xl);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

/* Social Proof */
.social-proof {
  text-align: center;
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-small);
  color: var(--color-text-light);
}

.trust-badge svg {
  width: 20px;
  height: 20px;
  color: var(--color-science-blue);
}

/* How It Works */
.how-it-works {
  text-align: center;
}

.steps {
  margin-top: var(--spacing-xl);
}

.step-card {
  text-align: left;
}

.step-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.step-header .step-number {
  margin-bottom: 0;
  width: 48px !important;
  min-width: 48px !important;
}

.step-header .card-title {
  margin-bottom: 0;
}

/* Step Illustrations */
.step-illustration {
  width: 100%;
  margin-bottom: var(--spacing-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-mercury);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.step-illustration svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Features */
.features {
  text-align: center;
}

.feature-grid {
  margin-top: var(--spacing-xl);
}

.feature-card {
  text-align: center;
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background-color: rgba(29, 105, 217, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-science-blue);
}

/* Pricing */
.pricing {
  text-align: center;
}

.pricing-content {
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.pricing-highlight {
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  color: var(--color-science-blue);
  margin-bottom: var(--spacing-md);
}

.pricing-breakdown {
  text-align: left;
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg);
  background-color: #F8F9FA;
  border-radius: var(--radius-sm);
}

.pricing-breakdown ul {
  list-style: disc;
  padding-left: var(--spacing-md);
}

.pricing-breakdown li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-light);
}

.pricing-example {
  font-size: 18px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  padding: var(--spacing-md);
  background-color: rgba(29, 105, 217, 0.05);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-science-blue);
}

/* Trust Bar */
.trust-bar {
  padding: var(--spacing-lg) 0;
}

/* Problem → Outcome */
.problem-outcome {
  text-align: center;
}

.problem-card,
.outcome-card {
  text-align: left;
}

.problem-title {
  color: var(--color-text-light);
}

.outcome-title {
  color: var(--color-science-blue);
}

.problem-list,
.outcome-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.problem-list li,
.outcome-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  line-height: 1.5;
}

.problem-list svg,
.outcome-list svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.problem-list svg {
  color: #dc2626;
}

.outcome-list svg {
  color: #16a34a;
}

/* Use Cases */
.use-cases {
  text-align: center;
}

.use-case-card {
  text-align: center;
}

.use-case-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background-color: rgba(29, 105, 217, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.use-case-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-science-blue);
}

/* Comparison */
.comparison {
  text-align: center;
}

.comparison-table {
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}

.comparison-header {
  display: none;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-mercury);
}

.comparison-row:last-child {
  border-bottom: none;
}

.comparison-feature {
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.comparison-network {
  color: var(--color-text-light);
  padding-left: var(--spacing-sm);
  border-left: 3px solid var(--color-mercury);
}

.comparison-plakard {
  color: var(--color-science-blue);
  font-weight: var(--font-weight-medium);
  padding-left: var(--spacing-sm);
  border-left: 3px solid var(--color-science-blue);
}

@media (min-width: 768px) {
  .comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--color-mercury);
    margin-bottom: var(--spacing-xs);
  }

  .comparison-col-label {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-light);
    text-align: center;
  }

  .comparison-col-plakard {
    color: var(--color-science-blue);
    font-weight: var(--font-weight-bold);
  }

  .comparison-row {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-md);
    align-items: center;
  }

  .comparison-feature {
    margin-bottom: 0;
  }

  .comparison-network {
    text-align: center;
    border-left: none;
    padding-left: 0;
  }

  .comparison-plakard {
    text-align: center;
    border-left: none;
    padding-left: 0;
  }
}

/* Privacy Section */
.privacy-section {
  padding: var(--spacing-xl) 0;
}

.privacy-content {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

.privacy-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background-color: rgba(29, 105, 217, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.privacy-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-science-blue);
}

.privacy-text h3 {
  margin-bottom: var(--spacing-sm);
}

.privacy-text p {
  color: var(--color-text-light);
  line-height: var(--line-height-body);
}

@media (max-width: 600px) {
  .privacy-content {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

/* FAQ */
.faq {
  text-align: center;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.faq-item {
  border-bottom: 1px solid var(--color-mercury);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  padding: var(--spacing-md) 0;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-body);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  font-size: 24px;
  font-weight: var(--font-weight-regular);
  color: var(--color-science-blue);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-question::after {
  content: '-';
}

.faq-answer {
  padding: 0 0 var(--spacing-md);
}

.faq-answer p {
  color: var(--color-text-light);
  line-height: var(--line-height-body);
}

/* Final CTA */
.final-cta {
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.final-cta h2 {
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}

/* Footer */
.footer {
  background-color: var(--color-big-stone);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-small);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Waitlist Modal */
.waitlist-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.waitlist-overlay.active {
  display: flex;
}

.waitlist-modal {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  max-width: 440px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.waitlist-modal h3 {
  margin-bottom: var(--spacing-xs);
}

.waitlist-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: none;
  border: none;
  font-size: 28px;
  color: var(--color-text-light);
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
}

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

.waitlist-form {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.waitlist-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--color-mercury);
  border-radius: var(--radius-md);
  font-size: var(--font-size-body);
  font-family: var(--font-family);
  outline: none;
  transition: border-color var(--transition-fast);
}

.waitlist-input:focus {
  border-color: var(--color-science-blue);
}

.waitlist-submit {
  flex-shrink: 0;
}

.waitlist-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.waitlist-message {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-small);
  min-height: 20px;
}

.waitlist-message.success {
  color: #16a34a;
}

.waitlist-message.error {
  color: #dc2626;
}

@media (max-width: 480px) {
  .waitlist-form {
    flex-direction: column;
  }
}