/* ==========================================================================
   Casu Theme — Main stylesheet: design tokens, reset, global + shell layout.
   ========================================================================== */

:root {
  /* Colors — to be updated with brand guidelines */
  --color-primary: #000;
  --color-accent: #000;
  --color-bg: #fff;
  --color-text: #000;
  --color-text-muted: #666;
  --color-border: #e0e0e0;
  --color-btn-primary-bg: #000;
  --color-btn-primary-text: #fff;
  --color-btn-secondary-bg: transparent;
  --color-btn-secondary-text: #000;
  --color-btn-secondary-border: #000;
  --color-white: #fff;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Typography */
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.5rem;
  --font-size-3xl: 3rem;
  --font-family-base: sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --line-height-base: 1.5;
  --line-height-heading: 1.2;

  /* Layout */
  --container-max: 1280px;
  --container-padding: var(--space-sm);
  --grid-gap: var(--space-md);
  --border-radius: 0.5rem;
  --header-height: 4.5rem;

  --transition-base: 200ms ease;
}

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

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

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

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

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

/* Body */
body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: var(--line-height-base);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-heading);
  color: var(--color-text);
}

/* Container — inner wrapper; gutter lateral solo en single de entradas (post) */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 0;
}

body.single-post .container {
  padding-inline: var(--container-padding);
}

@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-lg);
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: var(--space-xl);
  }
}

/* Site main */
.site-main {
  flex: 1;
  display: block;
}

/* --------------------------------------------------------------------------
   Site header
   -------------------------------------------------------------------------- */

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
}

.site-header__branding a,
.site-header__name {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.site-nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.site-nav__menu a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  transition: color var(--transition-base);
}

.site-nav__menu a:hover,
.site-nav__menu a:focus-visible {
  color: var(--color-accent);
}

.site-header__toggle {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-xs);
}

.site-header__toggle-bar {
  display: block;
  width: var(--space-md);
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

@media (min-width: 768px) {
  .site-header__toggle {
    display: none;
  }
}

@media (max-width: 767px) {
  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--space-sm) var(--container-padding);
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav__menu {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}

/* --------------------------------------------------------------------------
   Site footer — styling lives in components/site-footer.css
   -------------------------------------------------------------------------- */

/* --------------------------------------------------------------------------
   Entries (page / single)
   -------------------------------------------------------------------------- */

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

.entry__header {
  margin-bottom: var(--space-lg);
}

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

.entry__meta {
  display: flex;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-top: var(--space-xs);
}

.entry__thumbnail {
  margin-bottom: var(--space-lg);
}

.entry__thumbnail img {
  width: 100%;
  border-radius: var(--border-radius);
}

.entry__content,
.wysiwyg {
  max-width: 72ch;
}

.wysiwyg h2,
.wysiwyg h3,
.wysiwyg h4 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
}

.wysiwyg p,
.wysiwyg ul,
.wysiwyg ol {
  margin-bottom: var(--space-sm);
}

.wysiwyg ul,
.wysiwyg ol {
  padding-left: var(--space-md);
  list-style: revert;
}

.wysiwyg a {
  color: var(--color-accent);
  text-decoration: underline;
}

.post-navigation {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
}

.post-navigation .nav-links {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
}

.post-navigation a {
  font-weight: var(--font-weight-medium);
}

/* --------------------------------------------------------------------------
   404
   -------------------------------------------------------------------------- */

.error-404 {
  padding-block: var(--space-3xl);
  text-align: center;
}

.error-404__title {
  font-size: var(--font-size-3xl);
}

.error-404__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.error-404__content p {
  margin-bottom: var(--space-md);
}