/* Claudio Rozza — versão estática (HTML/CSS/JS/PHP) */
:root {
  --bg: #f7f5ea;
  --fg: #22301f;
  --muted: #6b6f5f;
  --card: #fbf9ee;
  --border: #d3cfb4;
  --primary: #5a6f2b;
  --sidebar-bg: #8a9b4a;
  --sidebar-inner: #728238;
  --banner-strip: #8a9b4a;
  --banner-strip-2: #6f8236;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Georgia, "Times New Roman", serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

/* Header / Banner */
.banner {
  position: relative;
  color: #fff;
  background:
    linear-gradient(rgba(20,40,20,0.55), rgba(20,40,20,0.75)),
    url('photo-1441974231531-c6227db76b6e.jpg?auto=format&fit=crop&w=1920&q=60') center/cover;
}
.banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.banner-title { flex: 1; text-align: center; }
.banner-title h1 {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 3rem);
  font-weight: 600;
  text-shadow: 0 2px 6px rgba(0,0,0,.4);
}
.banner-title p {
  margin: 6px 0 0;
  font-size: clamp(1rem, 2.4vw, 1.5rem);
  text-shadow: 0 2px 6px rgba(0,0,0,.4);
}
.banner-title p.italic { font-style: italic; }
.signature {
  background: #000;
  color: rgba(255,255,255,.9);
  text-align: center;
  padding: 8px 0;
  font-style: italic;
}
@media (min-width: 640px) { .banner-inner { padding: 56px 16px; } }
@media (min-width: 768px) { .banner-inner { padding: 80px 16px; } }

/* Menu toggle */
.menu-toggle {
  background: transparent;
  border: 1px solid rgba(255,255,255,.4);
  color: #fff;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
}
.menu-toggle-placeholder { width: 40px; }

/* Layout */
.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px;
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
  .layout { grid-template-columns: 220px minmax(0,1fr) 180px; }
  .menu-toggle, .menu-toggle-placeholder { display: none; }
}

/* Sidebar nav */
.sidebar-nav {
  background: var(--sidebar-bg);
  color: #fff;
  border-radius: 8px;
  padding: 20px;
  font-size: 0.9rem;
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}
.sidebar-nav ul { list-style: none; margin: 0; padding: 0; }
.sidebar-nav > ul > li { margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.25); }
.sidebar-nav > ul > li:last-child { border-bottom: 0; }
.sidebar-nav a { color: #fff; }
.sidebar-nav .top-link {
  display: block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.sidebar-nav .sub {
  margin-top: 8px;
  background: var(--sidebar-inner);
  border-radius: 6px;
  padding: 10px 12px;
}
.sidebar-nav .sub li { margin: 4px 0; }

.mobile-nav { display: none; padding: 16px; background: var(--bg); border-bottom: 1px solid var(--border); }
.mobile-nav.open { display: block; }
@media (min-width: 1024px) { .mobile-nav { display: none !important; } .sidebar-desktop { display: block; } }
.sidebar-desktop { display: none; }
@media (min-width: 1024px) { .sidebar-desktop { display: block; } }

/* Sections */
.section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
.section-header {
  background: linear-gradient(90deg, var(--banner-strip) 0%, var(--banner-strip) 45%, var(--banner-strip-2) 100%);
  color: #fff;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 10px 16px;
}
.section-body { padding: 16px; }
@media (min-width: 640px) { .section-body { padding: 24px; } }

/* Rápidas */
.rapidas p { margin: 0 0 12px; }
.rapidas p:last-child { margin-bottom: 0; }

/* Artigos */
.artigos-grid { display: grid; gap: 24px; }
@media (min-width: 768px) { .artigos-grid { grid-template-columns: repeat(3, 1fr); } }
.artigo h2 { color: var(--primary); font-size: 1.15rem; margin: 0 0 8px; white-space: pre-line; }
.artigo h3 { font-size: 0.95rem; margin: 0 0 6px; }
.artigo .author { font-size: 0.8rem; font-style: italic; color: var(--muted); margin: 0 0 8px; }
.artigo p { margin: 0 0 8px; font-size: 0.9rem; }
.artigo .more { font-style: italic; }

/* Referência */
.referencia h3 { font-size: 1.05rem; margin: 0 0 6px; }
.referencia .author { font-size: 0.8rem; font-style: italic; color: var(--muted); margin: 0 0 10px; }
.referencia p { text-align: justify; margin: 0 0 8px; }

/* Books */
.books-sidebar { display: none; }
@media (min-width: 1024px) { .books-sidebar { display: block; } }
.books-sidebar .book { text-align: center; margin-bottom: 24px; font-size: 0.85rem; }
.books-sidebar .book img { width: 96px; margin: 0 auto 8px; border-radius: 4px; box-shadow: 0 2px 4px rgba(0,0,0,.15); }
.books-sidebar .book a { color: var(--fg); }

.books-mobile { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (min-width: 640px) { .books-mobile { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .books-mobile { display: none; } }
.books-mobile .book { text-align: center; font-size: 0.8rem; }
.books-mobile .book img { width: 96px; margin: 0 auto 6px; border-radius: 4px; box-shadow: 0 2px 4px rgba(0,0,0,.15); }
.books-mobile .book a { color: var(--fg); }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 24px 16px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
}