/* Raiz Agroflorestal — forest-sage editorial */
:root {
  --color-forest: #1a3d2e;
  --color-forest-dark: #0f261c;
  --color-sage: #7a9b7a;
  --color-sage-light: #a8c4a8;
  --color-stone: #f4f2ed;
  --color-stone-dark: #e8e4dc;
  --color-stone-mid: #c9c4b8;
  --color-ink: #1c1c1a;
  --color-ink-muted: #5a5a54;
  --color-white: #ffffff;
  --space-xs: 12px;
  --space-sm: 24px;
  --space-md: 36px;
  --space-lg: 48px;
  --space-xl: 72px;
  --radius: 2px;
  --container: 1140px;
  --font-serif: "Libre Baskerville", "Georgia", serif;
  --font-sans: "Source Sans 3", "Helvetica Neue", sans-serif;
  --transition: 0.3s ease;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-stone);
  line-height: 1.7;
}

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

a {
  color: var(--color-forest);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

a:hover { color: var(--color-sage); }

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

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-sm);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-forest-dark);
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.35rem; }

.lead {
  font-size: 1.15rem;
  color: var(--color-ink-muted);
  line-height: 1.8;
}

/* Header — centered-logo, sticky-shrink */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-stone-dark);
  transition: padding var(--transition), box-shadow var(--transition);
}

.site-header.is-shrunk {
  padding: 0;
  box-shadow: 0 2px 12px rgba(26, 61, 46, 0.08);
}

.site-header.is-shrunk .logo-text { font-size: 1.1rem; }
.site-header.is-shrunk .logo-tagline { display: none; }
.site-header.is-shrunk .main-nav { padding: var(--space-xs) 0; }

.header-inner {
  text-align: center;
  padding: var(--space-sm) 0 var(--space-xs);
}

.logo-link {
  text-decoration: none;
  color: inherit;
  display: inline-block;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  letter-spacing: 0.04em;
  color: var(--color-forest-dark);
  transition: font-size var(--transition);
}

.logo-tagline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-sage);
  margin-top: 4px;
}

.main-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding: var(--space-xs) 0 var(--space-sm);
  border-top: 1px solid var(--color-stone-dark);
  transition: padding var(--transition);
}

.main-nav a {
  text-decoration: none;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  font-weight: 600;
}

.main-nav a:hover,
.main-nav a.is-active { color: var(--color-forest); }

/* Buttons — text-link-only */
.btn-link {
  display: inline-block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--color-forest);
  text-decoration: none;
  border-bottom: 1px solid var(--color-forest);
  padding-bottom: 2px;
  transition: color var(--transition), border-color var(--transition);
}

.btn-link:hover {
  color: var(--color-sage);
  border-color: var(--color-sage);
}

/* Tags — bracket-label */
.tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-sage);
  font-weight: 600;
}

.tag::before { content: "["; margin-right: 2px; }
.tag::after { content: "]"; margin-left: 2px; }

/* Hero — split-image-text */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-xl) 0;
}

.hero-split__image {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-stone-dark);
}

.hero-split__image img,
.hero-split__image svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-split__content { padding-right: var(--space-sm); }

.hero-split__meta {
  margin-bottom: var(--space-xs);
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  flex-wrap: wrap;
}

.hero-split__date {
  font-size: 0.8rem;
  color: var(--color-ink-muted);
}

/* Featured story */
.featured-story {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-stone-mid);
}

/* Vertical cards — editorial-lines */
.card-list { display: flex; flex-direction: column; gap: 0; }

.card-editorial {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-stone-mid);
  text-decoration: none;
  color: inherit;
  transition: background var(--transition);
}

.card-editorial:hover { background: var(--color-white); }

.card-editorial__thumb {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-stone-dark);
}

.card-editorial__thumb img,
.card-editorial__thumb svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-editorial__body h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.card-editorial__body p {
  font-size: 0.95rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-xs);
}

.card-editorial__meta {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-ink-muted);
}

/* Section */
.section { padding: var(--space-lg) 0; }

.section-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-forest);
}

.section-header h2 { font-size: 1.5rem; }

/* Article layout */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-lg);
  padding: var(--space-lg) 0 var(--space-xl);
}

.article-main { min-width: 0; }

.article-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-stone-mid);
}

.article-header h1 { margin-bottom: var(--space-xs); }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-sm);
}

.article-hero {
  aspect-ratio: 3 / 2;
  margin-bottom: var(--space-md);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-stone-dark);
}

.article-hero img,
.article-hero svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Pull quote */
.pull-quote {
  margin: var(--space-md) 0;
  padding: var(--space-md) var(--space-sm);
  border-left: 3px solid var(--color-sage);
  background: var(--color-white);
}

.pull-quote p {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--color-forest-dark);
  font-style: italic;
}

.pull-quote cite {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.8rem;
  font-style: normal;
  color: var(--color-ink-muted);
}

.article-body p { margin-bottom: var(--space-sm); }

.article-body h2 {
  margin: var(--space-md) 0 var(--space-xs);
  font-size: 1.4rem;
}

.article-body ul, .article-body ol {
  margin: 0 0 var(--space-sm) var(--space-sm);
}

.article-body li { margin-bottom: var(--space-xs); }

/* Sidebar — sticky-toc, author-bio-box */
.article-sidebar { position: relative; }

.sidebar-sticky {
  position: sticky;
  top: 120px;
}

.toc {
  margin-bottom: var(--space-md);
  padding: var(--space-sm);
  background: var(--color-white);
  border: 1px solid var(--color-stone-dark);
  border-radius: var(--radius);
}

.toc h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xs);
  color: var(--color-ink-muted);
}

.toc ul { list-style: none; }

.toc li { margin-bottom: 6px; }

.toc a {
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  display: block;
  padding: 4px 0;
  border-left: 2px solid transparent;
  padding-left: var(--space-xs);
  transition: all var(--transition);
}

.toc a:hover,
.toc a.is-active {
  color: var(--color-forest);
  border-left-color: var(--color-sage);
}

.author-bio {
  padding: var(--space-sm);
  background: var(--color-white);
  border: 1px solid var(--color-stone-dark);
  border-radius: var(--radius);
}

.author-bio__avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: var(--space-xs);
  background: var(--color-stone-dark);
}

.author-bio h4 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.author-bio__role {
  font-size: 0.75rem;
  color: var(--color-sage);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.author-bio p {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  line-height: 1.6;
}

/* Page content */
.page-content {
  padding: var(--space-lg) 0 var(--space-xl);
  max-width: 720px;
}

.page-content.wide { max-width: 100%; }

.page-content h1 { margin-bottom: var(--space-sm); }

.page-content h2 {
  margin: var(--space-md) 0 var(--space-xs);
  font-size: 1.3rem;
}

.page-content p { margin-bottom: var(--space-sm); }

.page-content ul, .page-content ol {
  margin: 0 0 var(--space-sm) var(--space-sm);
}

/* Contact form */
.contact-form { max-width: 560px; }

.form-group { margin-bottom: var(--space-sm); }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-xs);
  border: 1px solid var(--color-stone-mid);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 1rem;
  background: var(--color-white);
}

.form-group textarea { min-height: 140px; resize: vertical; }

/* Footer — editorial-masthead */
.site-footer {
  background: var(--color-forest-dark);
  color: var(--color-stone);
  padding: var(--space-lg) 0 var(--space-md);
  margin-top: var(--space-xl);
}

.footer-masthead {
  text-align: center;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255,255,255,0.15);
  margin-bottom: var(--space-md);
}

.footer-masthead .logo-text {
  color: var(--color-stone);
  font-size: 1.5rem;
}

.footer-masthead .logo-tagline { color: var(--color-sage-light); }

.footer-masthead__desc {
  max-width: 560px;
  margin: var(--space-xs) auto 0;
  font-size: 0.9rem;
  color: var(--color-sage-light);
  line-height: 1.7;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-sage-light);
  margin-bottom: var(--space-xs);
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 6px; }

.footer-col a {
  color: var(--color-stone);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-col a:hover { color: var(--color-sage-light); }

.footer-bottom {
  text-align: center;
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
  color: var(--color-sage);
}

/* Cookie — bottom-bar */
.cookie-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--color-forest-dark);
  color: var(--color-stone);
  padding: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  transform: translateY(100%);
  transition: transform var(--transition);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}

.cookie-bar.is-visible { transform: translateY(0); }

.cookie-bar p {
  font-size: 0.85rem;
  max-width: 640px;
  line-height: 1.5;
}

.cookie-bar a { color: var(--color-sage-light); }

.cookie-bar .btn-link {
  color: var(--color-stone);
  border-color: var(--color-sage-light);
  cursor: pointer;
  background: none;
  font-family: var(--font-sans);
}

.cookie-bar .btn-link:hover {
  color: var(--color-sage-light);
  border-color: var(--color-stone);
}

/* About team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.team-card {
  text-align: center;
  padding: var(--space-sm);
  background: var(--color-white);
  border: 1px solid var(--color-stone-dark);
  border-radius: var(--radius);
}

.team-card__avatar {
  width: 96px;
  height: 96px;
  margin: 0 auto var(--space-xs);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-stone-dark);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-split { grid-template-columns: 1fr; }
  .card-editorial { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .sidebar-sticky { position: static; }
}

@media (max-width: 600px) {
  html { font-size: 16px; }
  .main-nav { gap: var(--space-xs); }
}