/* ============================================================
   Logethos: global styles
   Reset, typography, layout primitives, utilities.
   ============================================================ */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  color: var(--text-primary);
  background-color: var(--surface-0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--duration-base) var(--ease-standard), color var(--duration-base) var(--ease-standard);
}

img, video, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent-text);
  outline-offset: 2px;
}

::selection {
  background: var(--accent);
  color: var(--on-brand);
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--surface-0); }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 6px; border: 2px solid var(--surface-0); }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* -----------------------------------------------------------
   Skip link
----------------------------------------------------------- */

.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-sm);
  background: var(--accent);
  color: var(--on-brand);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  z-index: 1000;
  transition: top var(--duration-fast) var(--ease-standard);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* -----------------------------------------------------------
   Layout primitives
----------------------------------------------------------- */

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

.container--narrow {
  max-width: 760px;
}

.section {
  padding-block: var(--space-3xl);
}

.section--sm {
  padding-block: var(--space-2xl);
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: var(--space-md);
}

.section-eyebrow::before {
  content: '';
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
}

.section-header {
  margin-bottom: var(--space-2xl);
  max-width: 640px;
}

.section-header--center {
  text-align: center;
  margin-inline: auto;
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

/* -----------------------------------------------------------
   Typography
----------------------------------------------------------- */

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

h1, .h1 {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-4xl));
  font-weight: 600;
}

h2, .h2 {
  font-size: clamp(var(--text-2xl), 3.6vw, var(--text-3xl));
}

h3, .h3 {
  font-size: var(--text-xl);
}

h4, .h4 {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 600;
}

h5, h6, .h5, .h6 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
}

p {
  color: var(--text-secondary);
  max-width: 68ch;
}

.lead {
  font-size: var(--text-md);
  color: var(--text-secondary);
  line-height: var(--leading-base);
  max-width: 56ch;
}

.muted {
  color: var(--text-tertiary);
}

.eyebrow-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.link {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: text-decoration-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);
}

.link:hover {
  color: var(--link-hover);
  text-decoration-color: currentColor;
}

code:not([class]) {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--surface-2);
  color: var(--accent-text);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* Prose: policies and docs long-form content */

.prose h2 {
  margin-top: 2.5em;
  margin-bottom: 0.75em;
  font-size: var(--text-xl);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 2em;
  margin-bottom: 0.6em;
  font-size: var(--text-md);
}

.prose p {
  margin-bottom: 1.25em;
  max-width: none;
  line-height: var(--leading-loose);
}

.prose ul, .prose ol {
  list-style: disc;
  padding-left: 1.4em;
  margin-bottom: 1.25em;
}

.prose li {
  margin-bottom: 0.5em;
  color: var(--text-secondary);
  line-height: var(--leading-base);
}

.prose a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.prose strong {
  font-weight: 600;
  color: var(--text-primary);
}

.prose blockquote {
  border-left: 3px solid var(--accent-text);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--text-primary);
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin-block: var(--space-lg);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  margin-bottom: var(--space-lg);
  display: block;
  overflow-x: auto;
}

.prose th {
  background: var(--surface-1);
  padding: var(--space-xs) var(--space-sm);
  text-align: left;
  font-weight: 600;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.prose td {
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid var(--surface-2);
  color: var(--text-secondary);
  vertical-align: top;
}

.prose tr:last-child td {
  border-bottom: none;
}

/* -----------------------------------------------------------
   Grid & flex utilities
----------------------------------------------------------- */

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

.text-center { text-align: center; }
.bg-surface { background: var(--surface-1); }

/* -----------------------------------------------------------
   Scroll reveal
   Toggled via JS (assets/js/scroll-animations.js). Content is
   fully visible without JS or with reduced motion.
----------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-slow) var(--ease-standard), transform var(--duration-slow) var(--ease-standard);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-group > * {
  transition-delay: calc(var(--reveal-index, 0) * 70ms);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

.no-js .reveal {
  opacity: 1;
  transform: none;
}

/* -----------------------------------------------------------
   Dividers
----------------------------------------------------------- */

.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  border: none;
}

/* -----------------------------------------------------------
   Responsive
----------------------------------------------------------- */

@media (max-width: 767px) {
  .section {
    padding-block: var(--space-2xl);
  }

  .container {
    padding-inline: var(--space-md);
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}