/* GOV.UK Inspired Styles */
:root {
  --govuk-blue: #005ea5;
  --govuk-light-blue: #1d70b8;
  --govuk-dark-blue: #003078;
  --govuk-grey-1: #f8f8f8;
  --govuk-grey-2: #e0e0e0;
  --govuk-grey-3: #b1b1b1;
  --govuk-black: #0b0c0c;
  --govuk-white: #ffffff;
  --govuk-red: #d4351c;
  --govuk-green: #00703c;
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.25;
  --spacing-unit: 10px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--govuk-black);
  background-color: var(--govuk-white);
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: bold;
  margin-top: 0;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
}

h2 {
  font-size: 1.5rem;
  line-height: 1.3;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.3;
}

h4 {
  font-size: 1.125rem;
  line-height: 1.2;
}

p {
  margin: 0 0 calc(var(--spacing-unit) * 2) 0;
  line-height: 1.25;
}

small {
  font-size: 0.875rem;
  line-height: 1.25;
}

a {
  color: var(--govuk-blue);
  text-decoration: underline;
}

a:hover {
  color: var(--govuk-dark-blue);
}

button, .button {
  background-color: var(--govuk-blue);
  color: var(--govuk-white);
  border: none;
  padding: 0.75em 1.5em;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  border-radius: 0;
}

button:hover, .button:hover {
  background-color: var(--govuk-light-blue);
}

input, select, textarea {
  font-family: var(--font-family);
  font-size: 1rem;
  padding: 0.5em;
  border: 2px solid var(--govuk-grey-2);
  border-radius: 0;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: 3px solid var(--govuk-blue);
  border-color: var(--govuk-blue);
}

/* Header */
.header {
  background-color: var(--govuk-blue);
  border-bottom: 1px solid var(--govuk-grey-2);
  padding: 1em 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 80px;
}

.nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

.nav li {
  margin-left: 2em;
}

.nav a {
  text-decoration: none;
  color: var(--govuk-white);
  font-weight: bold;
}

.nav a:hover {
  color: var(--govuk-light-blue);
}

/* Hero */
.hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--govuk-white);
  background-color: var(--govuk-grey-1);
  padding: 2em 0;
  gap: 2em;
}

.hero video {
  max-width: 80%;
  max-height: 400px;
  width: auto;
  height: auto;
  border: 2px solid var(--govuk-grey-2);
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.hero .overlay {
  display: none; /* Remove overlay since video is now framed */
}

.hero-content {
  z-index: 1;
  max-width: 800px;
  padding: 2em;
}

.hero-content h1 {
  color: var(--govuk-blue);
  font-size: 2rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.hero-content p {
  color: var(--govuk-blue);
  font-size: 1rem;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.hero-content .button {
  color: var(--govuk-blue);
  background-color: var(--govuk-white);
  border: 2px solid var(--govuk-blue);
}

.hero-content .button:hover {
  background-color: var(--govuk-blue);
  color: var(--govuk-white);
}

/* Advanced Sections */
.advanced-sections {
  padding: 3em 0;
  background-color: var(--govuk-white);
}

.advanced-sections .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1em;
}

.advanced-sections h2 {
  text-align: center;
  margin-bottom: 2em;
  color: var(--govuk-blue);
  font-size: 2rem;
}

.sections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2em;
  margin-top: 2em;
}

.section-card {
  background-color: var(--govuk-grey-1);
  border: 1px solid var(--govuk-grey-2);
  border-radius: 8px;
  padding: 1.5em;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.section-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.section-card h3 {
  color: var(--govuk-blue);
  margin-bottom: 1em;
  font-size: 1.25rem;
}

.section-card p {
  margin-bottom: 1em;
  line-height: 1.6;
}

.section-card table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1em;
  background-color: var(--govuk-white);
  border-radius: 4px;
  overflow: hidden;
}

.section-card th,
.section-card td {
  padding: 0.75em;
  text-align: left;
  border-bottom: 1px solid var(--govuk-grey-2);
}

.section-card th {
  background-color: var(--govuk-grey-2);
  font-weight: bold;
  color: var(--govuk-black);
}

.section-card ul,
.section-card ol {
  margin: 1em 0;
  padding-left: 1.5em;
}

.section-card li {
  margin-bottom: 0.5em;
  line-height: 1.5;
}

.warning {
  background-color: #fef7e7;
  border: 1px solid #f5c518;
  border-radius: 4px;
  padding: 1em;
  margin: 1em 0;
  color: #8b5a00;
}

.compliance-steps ol {
  background-color: var(--govuk-white);
  border-radius: 4px;
  padding: 1em;
  margin: 1em 0;
}

.compliance-steps li {
  margin-bottom: 0.5em;
  font-weight: 500;
}

/* Trust Indicators */
.trust-indicators {
  background-color: var(--govuk-grey-1);
  padding: 2em 0;
  text-align: center;
}

.trust-indicators .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1em;
}

.trust-indicators ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 2em;
}

.trust-indicators li {
  font-weight: bold;
}

/* Calculator */
.calculator {
  padding: 3em 0;
  background: linear-gradient(135deg, var(--govuk-grey-1) 0%, var(--govuk-white) 100%);
  min-height: 60vh;
}

.calculator .container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2em;
  background-color: var(--govuk-white);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--govuk-grey-2);
}

.form-group {
  margin-bottom: 1.5em;
}

label {
  display: block;
  margin-bottom: 0.5em;
  font-weight: bold;
}

small {
  display: block;
  color: var(--govuk-grey-3);
  font-size: 0.875rem;
  margin-top: 0.25em;
}

.web3-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5em;
  margin: 2em 0;
}

.feature-card {
  background: linear-gradient(135deg, var(--govuk-blue) 0%, var(--govuk-light-blue) 100%);
  color: var(--govuk-white);
  padding: 1.5em;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
  margin-bottom: 0.5em;
  font-size: 1.1rem;
}

.form-section {
  background-color: var(--govuk-grey-1);
  border: 1px solid var(--govuk-grey-2);
  border-radius: 8px;
  padding: 1.5em;
  margin-bottom: 2em;
}

.form-section h2 {
  color: var(--govuk-blue);
  margin-bottom: 1em;
  font-size: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1em;
  margin-bottom: 1em;
}

.form-actions {
  display: flex;
  gap: 1em;
  justify-content: center;
  margin-top: 2em;
}

.button.secondary {
  background-color: var(--govuk-grey-2);
  color: var(--govuk-black);
  border: 2px solid var(--govuk-grey-2);
}

.button.secondary:hover {
  background-color: var(--govuk-grey-3);
}

.button.primary {
  background-color: var(--govuk-blue);
  color: var(--govuk-white);
  border: 2px solid var(--govuk-blue);
  font-weight: bold;
}

.button.primary:hover {
  background-color: var(--govuk-light-blue);
}

.web3-tips {
  background-color: var(--govuk-grey-1);
  border: 1px solid var(--govuk-grey-2);
  border-radius: 8px;
  padding: 1.5em;
  margin-top: 2em;
}

.web3-tips h3 {
  color: var(--govuk-blue);
  margin-bottom: 1em;
}

.web3-tips ul {
  margin: 0;
  padding-left: 1.5em;
}

.web3-tips li {
  margin-bottom: 0.5em;
}

/* Results */
.results {
  padding: 3em 0;
  background: linear-gradient(135deg, var(--govuk-grey-1) 0%, var(--govuk-white) 100%);
  min-height: 60vh;
}

.results .container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2em;
  background-color: var(--govuk-white);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--govuk-grey-2);
}

.card {
  background-color: var(--govuk-grey-1);
  border: 1px solid var(--govuk-grey-2);
  border-radius: 6px;
  padding: 1.5em;
  margin-bottom: 1.5em;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.card h3 {
  margin-top: 0;
  color: var(--govuk-blue);
}

/* Footer */
.footer {
  background-color: var(--govuk-grey-1);
  padding: 2em 0;
  border-top: 1px solid var(--govuk-grey-2);
  position: relative;
}

.footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1em;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2em;
}

.footer-section {
  flex: 1;
  margin: 0 1em;
}

.footer-section h4 {
  color: var(--govuk-black);
  margin-bottom: 1em;
  font-size: 1.125rem;
}

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

.footer-section li {
  margin-bottom: 0.5em;
}

.footer-section a {
  color: var(--govuk-blue);
  text-decoration: none;
}

.footer-section a:hover {
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--govuk-grey-2);
  padding-top: 1em;
}

.footer-bottom .site-logo {
  height: 60px;
  width: auto;
}

.footer-info {
  flex: 1;
  text-align: center;
}

.crown-logo {
  height: 100px;
  width: auto;
  position: absolute;
  right: 0.5em;
  bottom: 0.5em;
}

.disclaimer {
  font-size: 0.875rem;
  color: var(--govuk-grey-3);
  margin-bottom: 0.5em;
}

.newsletter-signup {
  margin-top: 1em;
  padding-top: 1em;
  border-top: 1px solid var(--govuk-grey-2);
}

.newsletter-signup h4 {
  margin-bottom: 0.5em;
  font-size: 1rem;
}

.newsletter-signup p {
  font-size: 0.875rem;
  margin-bottom: 1em;
}

.newsletter-form {
  display: flex;
  gap: 0.5em;
  align-items: center;
}

.newsletter-form input {
  flex: 1;
  padding: 0.5em;
  border: 1px solid var(--govuk-grey-2);
  border-radius: 0;
}

.newsletter-form .button {
  padding: 0.5em 1em;
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav ul {
    flex-direction: column;
    margin-top: 1em;
  }

  .nav li {
    margin-left: 0;
    margin-bottom: 0.5em;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero video {
    max-width: 95%;
    max-height: 300px;
  }

  .sections-grid {
    grid-template-columns: 1fr;
    gap: 1.5em;
  }

  .section-card {
    padding: 1em;
  }

  .section-card h3 {
    font-size: 1.1rem;
  }

  .web3-features {
    grid-template-columns: 1fr;
    gap: 1em;
  }

  .feature-card {
    padding: 1em;
  }

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

  .form-actions {
    flex-direction: column;
    align-items: center;
  }

  .trust-indicators ul {
    flex-direction: column;
    gap: 1em;
  }

  .footer-content {
    flex-direction: column;
  }

  .footer-section {
    margin: 1em 0;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-bottom .site-logo {
    position: static;
    height: 50px;
    margin-bottom: 1em;
    order: -1;
  }

  .crown-logo {
    position: static;
    height: 80px;
    margin-bottom: 1em;
    order: -1;
  }

  .footer-info {
    text-align: center;
  }

  .newsletter-form {
    flex-direction: column;
    gap: 0.5em;
  }

  .newsletter-form input {
    width: 100%;
  }
}

/* Admin Styles */
.admin-header {
  background-color: var(--govuk-dark-blue);
  color: var(--govuk-white);
  padding: 1em 0;
}

.admin-header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1em;
}

.admin-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

.admin-nav li {
  margin-left: 2em;
}

.admin-nav a {
  color: var(--govuk-white);
  text-decoration: none;
}

.admin-nav a:hover {
  text-decoration: underline;
}

.dashboard {
  padding: 2em 0;
}

.dashboard .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1em;
}

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

.table th, .table td {
  border: 1px solid var(--govuk-grey-2);
  padding: 0.75em;
  text-align: left;
}

.table th {
  background-color: var(--govuk-grey-1);
}