/* ============================================
   Markowitch Blog — Editorial Academic Style
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Source+Sans+3:wght@300;400;500;600;700&display=swap');

:root {
  --color-bg: #FAFAF7;
  --color-surface: #FFFFFF;
  --color-text: #2C2C2C;
  --color-text-secondary: #6B6B6B;
  --color-accent: #1B4965;
  --color-accent-light: #CAE9FF;
  --color-border: #E2E0DB;
  --color-border-light: #F0EEEA;
  --color-link: #1B4965;
  --color-link-hover: #5FA8D3;
  --color-footer-bg: #1B4965;
  --color-footer-text: #CAE9FF;

  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans: 'Source Sans 3', 'Segoe UI', sans-serif;

  --max-width: 780px;
  --max-width-wide: 1080px;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-serif);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 2.5rem 1.5rem 2rem;
  text-align: center;
}

.site-header__inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.site-header__photo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.site-header__name {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.01em;
}

.site-header__name a {
  color: inherit;
}

.site-header__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  max-width: 480px;
  line-height: 1.6;
}

.site-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.92);
}

.site-nav__inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.site-nav a {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.main-content {
  flex: 1;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  width: 100%;
}

.posts-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.post-card {
  background: var(--color-surface);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease, transform 0.2s ease;
  display: grid;
  grid-template-columns: 340px 1fr;
}

.post-card:hover {
  box-shadow: 0 8px 30px rgba(27, 73, 101, 0.1);
  transform: translateY(-2px);
}

.post-card__image {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
}

.post-card__body {
  padding: 2rem 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

.post-card__title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text);
}

.post-card__title a {
  color: inherit;
}

.post-card__title a:hover {
  color: var(--color-accent);
}

.post-card__excerpt {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__meta {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.post-card__meta .author-photo {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.post-card__meta .separator {
  color: var(--color-border);
}

.article {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-bottom: 3rem;
}

.article__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}

.article__back:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.article__back svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.article__back:hover svg {
  transform: translateX(-3px);
}

.article__header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.article__title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.article__meta {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.article__meta .author-photo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.article__meta .separator {
  color: var(--color-border);
}

.article__authors {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: 1rem;
}

.article__published-in {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  margin-top: 0.5rem;
}

.article__published-in a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article__signataires {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  margin-top: 0.3rem;
}

.article__signataires a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article__body {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
}

.article__body p {
  margin-bottom: 1.4rem;
}

.article__body h2 {
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.article__body a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--color-accent-light);
  transition: text-decoration-color 0.2s;
}

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

.article__references {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.article__references h2 {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.article__references ol {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  padding-left: 1.5rem;
  list-style-type: decimal;
}

.article__references ol li {
  margin-bottom: 0.5rem;
  word-break: break-all;
}

.article__references ol li a {
  text-decoration: underline;
  text-underline-offset: 2px;
  font-size: 0.82rem;
}

.article__hero {
  margin-top: 2.5rem;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.article__hero img {
  width: 100%;
  display: block;
}

.article__footer-back {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.article__footer-back a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  padding: 0.6rem 1.5rem;
  border: 1.5px solid var(--color-accent);
  border-radius: 4px;
  transition: all 0.2s ease;
}

.article__footer-back a:hover {
  background: var(--color-accent);
  color: #fff;
}

.article__footer-back a svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.article__footer-back a:hover svg {
  transform: translateX(-3px);
}

.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  text-align: center;
  padding: 2rem 1.5rem;
  margin-top: auto;
  font-family: var(--font-sans);
  font-size: 0.85rem;
}

.site-footer a {
  color: var(--color-footer-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer a:hover {
  color: #FFFFFF;
}

.site-footer__copyright {
  margin-top: 0.5rem;
  opacity: 0.7;
  font-size: 0.8rem;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.post-card {
  animation: fadeInUp 0.5s ease forwards;
  opacity: 0;
}

.post-card:nth-child(1) { animation-delay: 0.1s; }
.post-card:nth-child(2) { animation-delay: 0.25s; }
.post-card:nth-child(3) { animation-delay: 0.4s; }
.post-card:nth-child(4) { animation-delay: 0.55s; }
.post-card:nth-child(5) { animation-delay: 0.7s; }

.article {
  animation: fadeInUp 0.4s ease forwards;
}

@media (max-width: 768px) {
  html { font-size: 16px; }
  .post-card { grid-template-columns: 1fr; }
  .post-card__image { min-height: 200px; }
  .post-card__body { padding: 1.4rem 1.5rem; }
  .article__title { font-size: 1.7rem; }
  .site-header { padding: 2rem 1rem 1.5rem; }
  .site-header__photo { width: 80px; height: 80px; }
  .site-header__name { font-size: 1.35rem; }
  .main-content { padding: 1.5rem 1rem; }
}

@media (max-width: 480px) {
  .site-nav__inner { gap: 1rem; }
  .site-nav a { font-size: 0.8rem; }
  .post-card__title { font-size: 1.15rem; }
  .article__title { font-size: 1.45rem; }
}