/* Base Styles */
@import 'variables.css';

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-background);
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

a:hover {
  color: var(--color-primary-light);
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-family);
}

img {
  max-width: 100%;
  height: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: var(--space-3);
}

/* Buttons */
.primary-button {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-align: center;
  transition: all var(--transition-normal);
}

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

.primary-button:disabled {
  background-color: var(--color-secondary);
  cursor: not-allowed;
}

.text-button {
  display: inline-block;
  padding: var(--space-2) 0;
  color: var(--color-primary);
  background: none;
  border: none;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-align: center;
  transition: color var(--transition-normal);
}

.text-button:hover {
  color: var(--color-primary-light);
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo a {
  display: flex;
  align-items: center;
  color: var(--color-text-primary);
}

.logo h1 {
  font-size: var(--font-size-xl);
  margin-bottom: 0;
}

nav ul {
  display: flex;
  gap: var(--space-4);
}

nav a {
  color: var(--color-text-secondary);
  position: relative;
}

nav a.active {
  color: var(--color-text-primary);
}

nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-2);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all 0.3s ease;
}

/* Hero section */
.hero {
  padding: var(--space-6) 0;
  background-color: var(--color-surface);
  text-align: center;
}

.hero h1 {
  margin-bottom: var(--space-2);
}

.hero p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

/* Terms container */
.terms-container {
  padding: var(--space-6) 0;
}

.terms-container .container {
  display: flex;
  gap: var(--space-5);
}

.sidebar {
  position: sticky;
  top: 80px;
  width: 280px;
  height: fit-content;
}

.toc {
  background-color: var(--color-card);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.toc h3 {
  margin-bottom: var(--space-3);
}

.toc ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toc-link {
  display: block;
  padding: var(--space-2) 0;
  color: var(--color-text-secondary);
  transition: color var(--transition-normal);
}

.toc-link:hover {
  color: var(--color-primary);
}

.actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.terms-content {
  flex: 1;
}

.terms-section {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.terms-section:first-child {
  padding-top: 0;
}

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

.terms-section h2 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-2xl);
}

.terms-section p {
  color: var(--color-text-secondary);
}

.terms-acceptance {
  margin-top: var(--space-6);
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
}

/* Checkbox styling */
.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  padding-left: 35px;
  cursor: pointer;
  font-size: var(--font-size-base);
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 24px;
  width: 24px;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.checkbox-container:hover input ~ .checkmark {
  border-color: var(--color-primary);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 8px;
  top: 4px;
  width: 6px;
  height: 12px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Footer */
footer {
  background-color: var(--color-surface);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-border-light);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
}

.footer-logo h2 {
  margin-bottom: var(--space-2);
}

.footer-logo p {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.link-group h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-3);
}

.link-group ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.link-group a {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

.link-group a:hover {
  color: var(--color-primary);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .footer-content {
    flex-direction: column;
  }
  
  .footer-links {
    margin-top: var(--space-4);
  }
}

@media (max-width: 768px) {
  header nav {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .terms-container .container {
    flex-direction: column;
  }
  
  .sidebar {
    position: static;
    width: 100%;
    margin-bottom: var(--space-4);
  }
  
  .footer-links {
    flex-wrap: wrap;
    gap: var(--space-4);
  }
  
  .link-group {
    flex-basis: calc(50% - var(--space-4));
  }
}

/* Print styles */
@media print {
  header, footer, .sidebar {
    display: none;
  }
  
  .terms-container .container {
    display: block;
  }
  
  .terms-acceptance {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
    color: #000;
    background: #fff;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
  
  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
    page-break-inside: avoid;
  }
  
  p, blockquote {
    orphans: 3;
    widows: 3;
  }
  
  @page {
    margin: 1cm;
  }
}