/* 1. DECLARAÇÃO DAS FONTES LOCAIS */

/* Frutiger Next Pro (Sans-serif oficial para interfaces e títulos) */
@font-face {
  font-family: 'Zeiss Frutiger Next Pro';
  src: url('../assets/fonts/ZeissFrutigerNextPro-Rg_0.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: 'Zeiss Frutiger Next Pro';
  src: url('../assets/fonts/ZeissFrutigerNextPro-Bold_1.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
}

/* 2. ATUALIZAÇÃO DO :ROOT */

:root {
  --zeiss-blue: #1A4FC4;
  --zeiss-blue-dark: #0f3a9e;
  --zeiss-blue-light: #e8eefa;
  --black: #111111;
  --white: #ffffff;
  
  /* Substituindo Roboto pelas fontes Zeiss */
  --font: 'Zeiss Frutiger Next Pro', 'Helvetica Neue', sans-serif;
  --font-condensed: 'Zeiss Frutiger Next Pro', sans-serif; /* A Frutiger já tem boa legibilidade */
  --font-serif: 'Zeiss Minion Pro', serif;

  --max-width: 1200px;
  --nav-height: 64px;
  --topbar-height: 32px;
  
  /* Mantendo seus grays... */
  --gray-50: #f8f9fb;
  --gray-100: #f0f1f4;
  --gray-200: #e0e2e8;
  --gray-400: #9098aa;
  --gray-600: #4a5260;
  --gray-800: #1e2230;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--white); color: var(--gray-800); line-height: 1.6; }

.zeiss-topbar { background: var(--zeiss-blue); height: var(--topbar-height); display: flex; align-items: center; }
.zeiss-topbar-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; width: 100%; }
.zeiss-topbar span { font-size: 0.72rem; font-weight: 500; color: rgba(255,255,255,0.85); letter-spacing: 0.12em; text-transform: uppercase; }

.site-nav { position: sticky; top: 0; z-index: 100; background: var(--white); border-bottom: 1px solid var(--gray-200); height: var(--nav-height); display: flex; align-items: center; box-shadow: 0 1px 4px rgba(0,0,0,0.06); }
.nav-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; width: 100%; display: flex; align-items: center; gap: 40px; }
.nav-logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.nav-logo svg { display: block; }
.nav-links { display: flex; list-style: none; gap: 4px; align-items: center; flex: 1; }
.nav-links a { font-family: var(--font); font-size: 0.875rem; font-weight: 400; color: var(--gray-600); text-decoration: none; padding: 6px 14px; border-radius: 2px; transition: all 0.15s; white-space: nowrap; }
.nav-links a:hover { color: var(--zeiss-blue); background: var(--zeiss-blue-light); }
.nav-links a.active { color: var(--zeiss-blue); font-weight: 500; }
.nav-links .nav-contact a { background: var(--zeiss-blue); color: var(--white); padding: 6px 18px; border-radius: 2px; font-weight: 500; margin-left: 12px; }
.nav-links .nav-contact a:hover { background: var(--zeiss-blue-dark); color: var(--white); }
.nav-search { background: none; border: none; cursor: pointer; padding: 8px; color: var(--gray-600); transition: color 0.15s; margin-left: auto; flex-shrink: 0; }
.nav-search:hover { color: var(--zeiss-blue); }

.blog-hero { text-align: center; padding: 52px 24px 36px; background: var(--white); border-bottom: 1px solid var(--gray-200); }
.blog-hero-title { font-family: var(--font-condensed); font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; color: var(--black); letter-spacing: 0.04em; text-transform: uppercase; line-height: 1.1; margin-bottom: 10px; }
.blog-hero-title span { color: var(--zeiss-blue); }
.blog-hero-subtitle { font-size: 0.85rem; color: var(--gray-400); letter-spacing: 0.16em; text-transform: uppercase; font-weight: 400; }

.category-bar { max-width: var(--max-width); margin: 0 auto; padding: 16px 24px; display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 2px solid var(--gray-200); }
.cat-btn { font-family: var(--font); font-size: 0.76rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 14px; border-radius: 2px; border: 1px solid var(--gray-200); background: transparent; color: var(--gray-600); cursor: pointer; text-decoration: none; transition: all 0.15s; }
.cat-btn:hover { border-color: var(--zeiss-blue); color: var(--zeiss-blue); }
.cat-btn.active { background: var(--zeiss-blue); color: var(--white); border-color: var(--zeiss-blue); }

.posts-section { max-width: var(--max-width); margin: 0 auto; padding: 40px 24px 80px; }
.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px 24px; }

.post-card.featured { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding-bottom: 40px; margin-bottom: 8px; border-bottom: 2px solid var(--gray-200); }
.post-card.featured .card-image { aspect-ratio: 16/10; }
.post-card.featured .card-title { font-size: 1.75rem; line-height: 1.25; }

.post-card { display: flex; flex-direction: column; }
.card-image { width: 100%; aspect-ratio: 16/10; overflow: hidden; background: var(--gray-100); margin-bottom: 14px; }
.card-image img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s ease; }
.post-card:hover .card-image img { transform: scale(1.04); }
.card-image-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }

.card-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.card-date { font-size: 0.73rem; color: var(--gray-400); letter-spacing: 0.06em; text-transform: uppercase; font-weight: 400; }
.card-category { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--zeiss-blue); background: var(--zeiss-blue-light); padding: 2px 8px; border-radius: 2px; }

.card-title { font-family: var(--font); font-size: 1.05rem; font-weight: 700; color: var(--black); line-height: 1.35; margin-bottom: 8px; text-decoration: none; display: block; transition: color 0.15s; }
.post-card:hover .card-title { color: var(--zeiss-blue); }
.card-excerpt { font-size: 0.875rem; color: var(--gray-600); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-readmore { margin-top: 14px; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--zeiss-blue); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; transition: gap 0.2s; border-bottom: 2px solid var(--zeiss-blue); padding-bottom: 2px; }
.card-readmore:hover { gap: 10px; }

.post-single { max-width: 800px; margin: 0 auto; padding: 48px 24px 80px; }
.post-header { margin-bottom: 32px; }
.post-header .card-meta { margin-bottom: 14px; }
.post-headline { font-family: var(--font); font-size: clamp(1.7rem, 4vw, 2.6rem); font-weight: 700; color: var(--black); line-height: 1.2; margin-bottom: 16px; }
.post-author { font-size: 0.85rem; color: var(--gray-600); }
.post-author strong { color: var(--gray-800); }
.post-hero-image { width: 100%; aspect-ratio: 16/9; overflow: hidden; margin-bottom: 40px; background: var(--gray-100); }
.post-hero-image img { width: 100%; height: 100%; object-fit: cover; }
.post-content { font-size: 1rem; line-height: 1.8; color: var(--gray-800); }
.post-content h2 { font-family: var(--font); font-size: 1.5rem; font-weight: 700; color: var(--black); margin: 40px 0 14px; border-left: 3px solid var(--zeiss-blue); padding-left: 14px; }
.post-content h3 { font-size: 1.15rem; font-weight: 700; color: var(--black); margin: 28px 0 10px; }
.post-content p { margin-bottom: 18px; }
.post-content ul, .post-content ol { margin: 0 0 18px 24px; }
.post-content li { margin-bottom: 6px; }
.post-content blockquote { border-left: 3px solid var(--zeiss-blue); margin: 28px 0; padding: 16px 24px; background: var(--zeiss-blue-light); font-style: italic; font-size: 1.05rem; color: var(--gray-800); border-radius: 0 4px 4px 0; }
.post-content a { color: var(--zeiss-blue); }
.post-tags { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--gray-200); display: flex; gap: 8px; flex-wrap: wrap; }
.post-tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 12px; border: 1px solid var(--gray-200); border-radius: 2px; color: var(--gray-600); text-decoration: none; transition: all 0.15s; }
.post-tag:hover { background: var(--zeiss-blue); color: var(--white); border-color: var(--zeiss-blue); }

.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--zeiss-blue); text-decoration: none; margin-bottom: 36px; transition: gap 0.2s; }
.back-link:hover { gap: 10px; }

.pagination { display: flex; justify-content: center; align-items: center; gap: 4px; margin-top: 60px; padding-top: 40px; border-top: 1px solid var(--gray-200); }
.pagination a, .pagination span { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; font-size: 0.85rem; font-weight: 500; border: 1px solid var(--gray-200); text-decoration: none; color: var(--gray-600); transition: all 0.15s; border-radius: 2px; }
.pagination a:hover, .pagination span.active { background: var(--zeiss-blue); color: var(--white); border-color: var(--zeiss-blue); }

.site-footer { background: var(--gray-800); }
.footer-top { padding: 56px 24px 48px; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: flex-start; gap: 16px; }
.footer-logo-text { font-family: var(--font-condensed); font-size: 1.4rem; font-weight: 700; color: var(--white); letter-spacing: 0.1em; }
.footer-tagline { font-size: 0.78rem; color: var(--gray-400); letter-spacing: 0.06em; margin-top: 2px; font-style: italic; }
.footer-cols { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col h4 { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--white); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { font-size: 0.85rem; color: var(--gray-400); text-decoration: none; transition: color 0.15s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { background: rgba(0,0,0,0.25); padding: 16px 24px; text-align: center; }
.footer-bottom p { font-size: 0.75rem; color: var(--gray-400); letter-spacing: 0.04em; }

.no-posts { text-align: center; padding: 80px 24px; color: var(--gray-400); }

@media (max-width: 960px) {
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .post-card.featured { grid-column: auto; display: flex; flex-direction: column; }
  .post-card.featured .card-title { font-size: 1.3rem; }
  .footer-cols { gap: 32px; }
}
@media (max-width: 620px) {
  .posts-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .blog-hero { padding: 32px 20px 24px; }
  .footer-inner { flex-direction: column; }
}

/* ─── FOOTER DEV SIGNATURE ─── */
.footer-bottom { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.footer-dev { font-size: 0.7rem; color: #555; }
.footer-dev a { color: #6a8fd8; text-decoration: none; transition: color 0.2s; }
.footer-dev a:hover { color: var(--white); }