/* ==========================================================================
   Wild Wonders — Stylesheet
   Bióloga & Comunicadora de Ciência
   ========================================================================== */

/* ---------- Custom Properties ---------- */
:root {
  --verde: #3D5A47;
  --verde-claro: #4A6B55;
  --verde-profundo: #2C4235;
  --creme: #F5EDD8;
  --cobre: #C97D2E;
  --cobre-claro: #D4923F;
  --escuro: #1C1C1C;
  --cinza: #5F5E5A;
  --branco: #ffffff;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;

  --container: 1200px;
  --gap: 2rem;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 100px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--escuro);
  background: var(--creme);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; font-family: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; }

/* ---------- Utilities ---------- */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); border: 0;
}

/* ---------- Section Label (golden banner) ---------- */
.section-label {
  display: inline-block;
  background: rgba(201, 125, 46, 0.15);
  color: var(--cobre);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}
.section-label--banner {
  display: block;
  background: rgba(201, 125, 46, 0.25);
  text-align: center;
  padding: 0.75rem 2rem;
  border-radius: 0;
  margin-bottom: 2rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: var(--transition);
}
.btn--primary {
  background: var(--cobre);
  color: var(--creme);
}
.btn--primary:hover {
  background: var(--cobre-claro);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(201, 125, 46, 0.3);
}
.btn--outline {
  background: transparent;
  color: var(--creme);
  border: 1.5px solid var(--creme);
}
.btn--outline:hover {
  background: var(--creme);
  color: var(--verde);
}
.btn--dark {
  background: var(--verde);
  color: var(--creme);
}
.btn--dark:hover {
  background: var(--verde-profundo);
  transform: translateY(-2px);
}

/* ---------- Tags / Pills ---------- */
.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.875rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
}
.tag--verde {
  background: var(--verde);
  color: var(--creme);
}
.tag--cobre {
  background: rgba(201, 125, 46, 0.15);
  color: var(--cobre);
  border: 1px solid rgba(201, 125, 46, 0.25);
}

/* ========================================================================
   NAVIGATION
   ======================================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav--solid {
  background: var(--verde);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}
.nav--scrolled {
  background: var(--verde);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--creme);
  letter-spacing: 2px;
}
.nav__links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav__link {
  color: var(--cobre);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  position: relative;
  transition: color var(--transition);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cobre);
  transition: width var(--transition);
}
.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}
.nav__link:hover {
  color: var(--creme);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--creme);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile overlay */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--verde-profundo);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.nav__mobile.open {
  opacity: 1;
  pointer-events: all;
}
.nav__mobile a {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--creme);
  transition: color var(--transition);
}
.nav__mobile a:hover {
  color: var(--cobre);
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav__mobile { display: flex; }
}

/* ========================================================================
   FOOTER
   ======================================================================== */
.footer {
  background: var(--escuro);
  padding: 3.5rem 2rem 1.5rem;
}
.footer__inner {
  max-width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: start;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(245, 237, 216, 0.1);
}
.footer__logo {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--creme);
  letter-spacing: 2px;
}
.footer__tagline {
  color: var(--cinza);
  font-size: 0.8125rem;
  margin-top: 0.5rem;
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  align-items: center;
}
.footer__link {
  color: var(--cobre);
  font-size: 0.8125rem;
  transition: color var(--transition);
}
.footer__link:hover {
  color: var(--creme);
}
.footer__social {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
}
.footer__social a {
  color: var(--cobre);
  font-size: 0.8125rem;
  transition: color var(--transition);
}
.footer__social a:hover {
  color: var(--creme);
}
.footer__bottom {
  max-width: var(--container);
  margin-inline: auto;
  padding-top: 1.25rem;
  text-align: center;
}
.footer__copy {
  color: var(--cinza);
  font-size: 0.75rem;
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer__social { align-items: center; }
}

/* ========================================================================
   HOMEPAGE — HERO
   ======================================================================== */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  background: linear-gradient(135deg, var(--verde) 0%, var(--verde-profundo) 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  padding: 6rem 4rem 4rem;
  overflow: hidden;
}
.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.hero__badge {
  display: inline-block;
  align-self: flex-start;
  background: rgba(201, 125, 46, 0.2);
  color: var(--cobre);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-sm);
}
.hero__title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  color: var(--creme);
  line-height: 1.1;
}
.hero__subtitle {
  color: var(--cobre);
  font-size: 1.0625rem;
  line-height: 1.8;
  max-width: 480px;
}
.hero__cta {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__illustration {
  width: min(500px, 100%);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.2));
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}

@media (max-width: 1024px) {
  .hero { padding: 6rem 2rem 3rem; gap: 2rem; }
  .hero__illustration { width: min(400px, 100%); }
}
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 7rem 1.5rem 3rem;
    min-height: auto;
  }
  .hero__badge { align-self: center; }
  .hero__subtitle { margin-inline: auto; }
  .hero__cta { justify-content: center; flex-wrap: wrap; }
  .hero__visual { order: -1; }
  .hero__illustration { width: min(280px, 80%); }
}

/* Homepage — Blog Preview */
.blog-preview {
  background: var(--creme);
  padding: 5rem 2rem;
}
.blog-preview__header {
  text-align: center;
  margin-bottom: 3rem;
}
.blog-preview__title {
  font-size: 2rem;
  color: var(--verde);
  margin-top: 0.5rem;
}
.blog-preview__subtitle {
  color: var(--cinza);
  font-size: 1rem;
  margin-top: 0.5rem;
}
.blog-preview__grid {
  max-width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.blog-preview__cta {
  text-align: center;
  margin-top: 3rem;
}

@media (max-width: 1024px) {
  .blog-preview__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .blog-preview__grid { grid-template-columns: 1fr; }
}

/* ========================================================================
   BLOG CARD (shared between homepage preview & blog listing)
   ======================================================================== */
.card {
  background: var(--branco);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(61, 90, 71, 0.15);
}
.card__image-wrap {
  background: var(--verde);
  aspect-ratio: 4/3;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.card:hover .card__image {
  transform: scale(1.05);
}
.card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.card__category {
  color: var(--cobre);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.card__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--escuro);
  line-height: 1.3;
}
.card__excerpt {
  color: var(--cinza);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ========================================================================
   SOBRE (QUEM SOU)
   ======================================================================== */
.sobre {
  background: var(--creme);
  padding: 8rem 2rem 5rem;
}
.sobre__inner {
  max-width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.sobre__photo-wrap {
  position: relative;
}
.sobre__photo-wrap::before {
  content: '';
  position: absolute;
  inset: -12px;
  border: 2px solid var(--verde);
  border-radius: var(--radius);
  z-index: 0;
}
.sobre__photo {
  position: relative;
  z-index: 1;
  border-radius: var(--radius);
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  box-shadow: 0 16px 48px rgba(61, 90, 71, 0.2);
}
.sobre__content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.sobre__title {
  font-size: 2rem;
  color: var(--verde);
}
.sobre__text {
  color: var(--escuro);
  font-size: 1rem;
  line-height: 1.9;
}
.sobre__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 0.5rem;
}
.sobre__tag {
  background: var(--verde);
  color: var(--creme);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 500;
}

/* Missão section */
.missao {
  background: var(--verde);
  padding: 5rem 2rem;
}
.missao__inner {
  max-width: var(--container);
  margin-inline: auto;
  text-align: center;
}
.missao__title {
  font-size: 1.75rem;
  color: var(--creme);
  margin-bottom: 1.25rem;
}
.missao__text {
  color: rgba(245, 237, 216, 0.85);
  font-size: 1.0625rem;
  line-height: 1.9;
  max-width: 720px;
  margin-inline: auto;
}
.missao__cta {
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .sobre__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .sobre__photo-wrap { max-width: 360px; margin-inline: auto; }
  .sobre__tags { justify-content: center; }
}

/* ========================================================================
   SERVIÇOS
   ======================================================================== */
.servicos {
  background: var(--verde);
  padding: 8rem 2rem 5rem;
}
.servicos__inner {
  max-width: var(--container);
  margin-inline: auto;
}
.servicos__header {
  text-align: center;
  margin-bottom: 3rem;
}
.servicos__title {
  font-size: 2.5rem;
  color: var(--creme);
  margin-top: 0.5rem;
}
.servicos__subtitle {
  color: var(--cobre);
  font-size: 1rem;
  margin-top: 0.5rem;
}
.servicos__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.servico-card {
  background: var(--verde-claro);
  border-radius: var(--radius);
  padding: 2.25rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.servico-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}
.servico-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.servico-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--creme);
  margin-bottom: 0.75rem;
}
.servico-card__text {
  color: rgba(245, 237, 216, 0.8);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* Serviços CTA */
.servicos__cta {
  text-align: center;
  margin-top: 3.5rem;
}
.servicos__cta-title {
  font-size: 1.5rem;
  color: var(--creme);
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .servicos__grid { grid-template-columns: 1fr; }
}

/* ========================================================================
   BLOG LISTING
   ======================================================================== */
.blog-listing {
  background: var(--creme);
  padding: 8rem 2rem 5rem;
}
.blog-listing__inner {
  max-width: var(--container);
  margin-inline: auto;
}
.blog-listing__header {
  margin-bottom: 3rem;
}
.blog-listing__title {
  font-size: 2.5rem;
  color: var(--escuro);
  margin-top: 0.25rem;
}
.blog-listing__subtitle {
  color: var(--cinza);
  font-size: 1rem;
  margin-top: 0.25rem;
}
.blog-listing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.blog-listing__empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--cinza);
  font-size: 1.125rem;
}

@media (max-width: 1024px) {
  .blog-listing__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .blog-listing__grid { grid-template-columns: 1fr; }
}

/* ========================================================================
   CONTACTO
   ======================================================================== */
.contacto {
  background: var(--verde);
  padding: 8rem 2rem 5rem;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contacto__inner {
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
}
.contacto__title {
  font-size: 2.25rem;
  color: var(--creme);
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}
.contacto__publicos {
  color: var(--creme);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 3rem;
}
.contacto__email-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.contacto__email-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--verde-claro);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contacto__email-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--creme);
  fill: none;
}
.contacto__email {
  color: var(--creme);
  font-size: 1.25rem;
  font-weight: 500;
  transition: color var(--transition);
}
.contacto__email:hover {
  color: var(--cobre);
}
.contacto__message {
  color: var(--cobre);
  font-size: 1.0625rem;
  font-style: italic;
  margin-top: 1rem;
}
.contacto__social {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}
.contacto__social-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--creme);
  font-size: 0.9375rem;
  transition: color var(--transition);
}
.contacto__social-link:hover {
  color: var(--cobre);
}
.contacto__social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ========================================================================
   ARTICLE PAGE
   ======================================================================== */

/* Hero */
.article-hero {
  background: var(--verde);
  padding: 7rem 2rem 3.5rem;
}
.article-hero__inner {
  max-width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.article-hero__content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.8125rem;
  color: rgba(245, 237, 216, 0.5);
}
.breadcrumb a {
  color: var(--cobre);
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--creme); }
.breadcrumb__sep { opacity: 0.4; }
.article-hero__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--creme);
  line-height: 1.35;
}
.article-hero__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.article-hero__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--cobre);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--creme);
  font-size: 0.8125rem;
  font-weight: 600;
}
.article-hero__author { color: var(--creme); font-size: 0.8125rem; }
.article-hero__date { color: var(--cobre); font-size: 0.8125rem; }
.article-hero__image {
  border-radius: var(--radius);
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  .article-hero__inner { grid-template-columns: 1fr; }
  .article-hero__image { order: -1; }
}

/* Body */
.article-body {
  max-width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  padding: 3.5rem 2rem;
}
.article-content { display: flex; flex-direction: column; gap: 1.75rem; }
.article-content p {
  font-size: 1rem;
  color: var(--escuro);
  line-height: 1.9;
}
.article-content h2 {
  font-size: 1.375rem;
  color: var(--verde);
  margin-top: 0.5rem;
}
.article-content blockquote,
.article-intro {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  color: var(--escuro);
  line-height: 1.9;
  font-style: italic;
  border-left: 3px solid var(--cobre);
  padding-left: 1.25rem;
}

/* Destaque box */
.artigo-destaque {
  background: var(--verde);
  border-radius: var(--radius-sm);
  padding: 1.75rem;
}
.artigo-destaque p {
  color: var(--creme) !important;
  font-size: 0.9375rem;
  line-height: 1.8;
}
.artigo-destaque strong {
  color: var(--cobre);
}

/* Facto grid */
.facto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
}
.facto-card {
  background: var(--branco);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  border: 1px solid rgba(201, 125, 46, 0.12);
  transition: transform var(--transition);
}
.facto-card:hover {
  transform: translateY(-2px);
}
.facto-card__icon { font-size: 1.375rem; margin-bottom: 0.5rem; }
.facto-card__label {
  color: var(--cobre);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.25rem;
}
.facto-card__valor {
  color: var(--escuro);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
}

@media (max-width: 600px) {
  .facto-grid { grid-template-columns: 1fr; }
}

/* Sidebar */
.article-sidebar { display: flex; flex-direction: column; gap: 1.25rem; }
.sidebar-card {
  background: var(--branco);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  border: 1px solid rgba(201, 125, 46, 0.1);
}
.sidebar-card h3 {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--verde);
  margin-bottom: 0.875rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(201, 125, 46, 0.1);
}
.sidebar-card--dark {
  background: var(--escuro);
  border-color: rgba(201, 125, 46, 0.1);
}
.sidebar-card--dark h3 {
  color: var(--cobre);
  border-color: rgba(201, 125, 46, 0.15);
}
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 0.375rem; }
.sidebar-artigo {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 0.625rem 0;
  border-bottom: 1px solid rgba(245, 237, 216, 0.05);
  text-decoration: none;
}
.sidebar-artigo:last-child { border-bottom: none; }
.sidebar-artigo__icon {
  font-size: 1.25rem;
  width: 40px;
  height: 40px;
  background: var(--creme);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sidebar-artigo__cat { color: var(--cobre); font-size: 0.6875rem; letter-spacing: 0.5px; }
.sidebar-artigo__title { font-size: 0.8125rem; line-height: 1.5; color: var(--creme); }
.sidebar-instagram {
  background: var(--verde);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  text-align: center;
}
.sidebar-instagram p {
  color: var(--creme);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .article-body {
    grid-template-columns: 1fr;
  }
}

/* Fontes / References */
.fontes-section {
  background: var(--branco);
  border-top: 1px solid rgba(201, 125, 46, 0.1);
  padding: 3.5rem 2rem;
}
.fontes-section__inner {
  max-width: var(--container);
  margin-inline: auto;
}
.fontes-header {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(61, 90, 71, 0.15);
}
.fontes-icon {
  width: 40px;
  height: 40px;
  background: var(--verde);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--creme);
  font-size: 1.125rem;
  flex-shrink: 0;
}
.fontes-titulo {
  font-family: var(--font-display);
  color: var(--verde);
  font-size: 1.25rem;
}
.fontes-subtitulo {
  color: var(--cobre);
  font-size: 0.8125rem;
  margin-top: 0.125rem;
}
.fontes-lista {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  max-width: 780px;
}
.fonte-item {
  background: var(--creme);
  border-radius: var(--radius-sm);
  padding: 1.125rem 1.25rem;
  border: 1px solid rgba(201, 125, 46, 0.1);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}
.fonte-numero {
  width: 24px;
  height: 24px;
  background: var(--verde);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--creme);
  font-size: 0.6875rem;
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 2px;
}
.fonte-conteudo { display: flex; flex-direction: column; gap: 0.25rem; }
.fonte-titulo-ref { color: var(--escuro); font-size: 0.875rem; font-weight: 500; line-height: 1.5; }
.fonte-autores { color: var(--cinza); font-size: 0.8125rem; }
.fonte-publicacao { color: var(--cobre); font-size: 0.75rem; font-style: italic; }
.fonte-link {
  color: var(--verde);
  font-size: 0.75rem;
  text-decoration: underline;
  margin-top: 0.125rem;
  display: inline-block;
}
.fonte-tipo {
  display: inline-block;
  font-size: 0.625rem;
  padding: 0.125rem 0.5rem;
  border-radius: 10px;
  margin-top: 0.25rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}
.tipo-artigo { background: rgba(61, 90, 71, 0.12); color: var(--verde); }
.tipo-livro { background: rgba(201, 125, 46, 0.12); color: var(--cobre); }
.tipo-relatorio { background: rgba(28, 28, 28, 0.06); color: var(--cinza); }
.fontes-nota {
  margin-top: 1.5rem;
  background: rgba(61, 90, 71, 0.06);
  border-left: 3px solid var(--verde);
  border-radius: 0 6px 6px 0;
  padding: 1rem 1.25rem;
  max-width: 780px;
}
.fontes-nota p {
  color: var(--verde);
  font-size: 0.8125rem;
  line-height: 1.7;
}

/* Article CTA footer */
.article-cta {
  background: var(--escuro);
  padding: 3.5rem 2rem;
  text-align: center;
}
.article-cta__title {
  font-size: 1.5rem;
  color: var(--creme);
  margin-bottom: 0.5rem;
}
.article-cta__text {
  color: var(--cobre);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

/* ========================================================================
   SCROLL ANIMATIONS
   ======================================================================== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}