/* =========================================
   CONECTA SOLUTIONS — Main Stylesheet
   Aesthetic: Editorial / Refined Minimal
   ========================================= */

/* --- Variables --- */
:root {
  --bg:         #FFFFFF;
  --bg-card:    #F4F7FB;
  --ink:        #0B1F3A;
  --ink-muted:  #4A6080;
  --ink-faint:  #9BB0C9;
  --accent:     #1A4F8C;
  --accent-2:   #2E7DD1;
  --border:     #D6E2F0;
  --serif:      'Playfair Display', Georgia, serif;
  --sans:       'Inter', system-ui, sans-serif;
  --mono:       'JetBrains Mono', 'Courier New', monospace;
  --radius:     4px;
  --max-w:      860px;
  --max-w-wide: 1200px;
}

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

html { font-size: 17px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; font-family: var(--sans); font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; font-size: 0.75rem; color: var(--ink-muted); }

p { margin-bottom: 1.4rem; }

code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: var(--border);
  padding: 0.1em 0.4em;
  border-radius: 3px;
}

pre {
  background: var(--ink);
  color: #E8E4DF;
  padding: 1.5rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 2rem 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.65;
}

pre code { background: none; padding: 0; font-size: inherit; }

blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0 0.5rem 1.5rem;
  margin: 2rem 0;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--ink-muted);
}

/* --- Layout --- */
.main-content { min-height: 70vh; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-wide {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--ink);
  color: var(--bg);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.logo-text {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--ink);
}

.logo-text strong { font-weight: 500; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--ink-muted);
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover, .nav-link.active {
  color: var(--ink);
  background: var(--border);
}

.nav-link.nav-cta {
  background: var(--ink);
  color: var(--bg);
  font-weight: 500;
}

.nav-link.nav-cta:hover {
  background: var(--accent);
  color: white;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: all 0.2s;
}

/* --- Hero (Home) --- */
.hero {
  padding: 6rem 0 5rem;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  border: 1px solid var(--accent);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
}

.hero h1 {
  margin-bottom: 1.5rem;
  max-width: 760px;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 540px;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}

.btn-primary:hover { background: var(--accent); }

.btn-secondary {
  border-color: var(--border);
  color: var(--ink);
  background: transparent;
}

.btn-secondary:hover { border-color: var(--ink); }

/* --- Featured Post Strip --- */
.featured-strip {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.featured-post-content {}

.featured-category {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.featured-title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.featured-title a:hover { color: var(--accent); }

.featured-excerpt {
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.featured-meta {
  font-size: 0.8rem;
  color: var(--ink-faint);
  font-family: var(--mono);
}

.featured-post-image {
  background: var(--border);
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.featured-post-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-placeholder {
  width: 100%;
  height: 100%;
  min-height: 240px;
  background: linear-gradient(135deg, var(--accent-2) 0%, var(--ink) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 4rem;
  color: rgba(255,255,255,0.1);
  letter-spacing: -0.05em;
}

/* --- Post Grid --- */
.post-grid-section {
  padding: 4rem 0 6rem;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5px;
  background: var(--border);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.post-card {
  background: var(--bg-card);
  padding: 1.8rem;
  transition: background 0.2s;
  display: flex;
  flex-direction: column;
}

.post-card:hover { background: white; }

.post-card-category {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.post-card-title {
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  flex: 1;
}

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

.post-card-excerpt {
  font-size: 0.85rem;
  color: var(--ink-muted);
  line-height: 1.6;
  margin-bottom: 1.2rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-meta {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  margin-top: auto;
}

/* --- Blog Index --- */
.blog-header {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--border);
}

.blog-header h1 { margin-bottom: 0.75rem; }
.blog-header p { color: var(--ink-muted); font-size: 1.05rem; }

.blog-list {
  padding: 3rem 0 6rem;
}

.blog-list-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
  text-decoration: none;
  transition: opacity 0.2s;
}

.blog-list-item:hover { opacity: 0.75; }

.blog-item-date {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
  padding-top: 0.3rem;
}

.blog-item-content {}

.blog-item-category {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.blog-item-title {
  font-family: var(--serif);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.blog-item-excerpt {
  font-size: 0.875rem;
  color: var(--ink-muted);
}

/* --- Single Post --- */
.post-article {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

.post-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.post-meta-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.post-category {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
}

.post-date {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.post-title { margin-bottom: 1rem; }

.post-subtitle {
  font-size: 1.15rem;
  color: var(--ink-muted);
  font-weight: 300;
  margin-bottom: 1rem;
}

.post-meta-bottom {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.post-cover {
  margin-bottom: 3rem;
  border-radius: 8px;
  overflow: hidden;
}

/* Post Body */
.post-body { line-height: 1.85; }
.post-body h2 { margin: 2.5rem 0 1rem; }
.post-body h3 { margin: 2rem 0 0.75rem; }
.post-body ul, .post-body ol { margin: 0 0 1.4rem 1.5rem; }
.post-body li { margin-bottom: 0.4rem; }
.post-body a { color: var(--accent); border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.post-body a:hover { border-color: var(--accent); }
.post-body img { border-radius: 6px; margin: 2rem 0; }
.post-body table { width: 100%; border-collapse: collapse; margin: 2rem 0; font-size: 0.9rem; }
.post-body th { text-align: left; padding: 0.6rem 1rem; border-bottom: 2px solid var(--border); font-family: var(--sans); font-weight: 500; font-size: 0.8rem; letter-spacing: 0.05em; }
.post-body td { padding: 0.6rem 1rem; border-bottom: 1px solid var(--border); }
.post-body tr:hover td { background: var(--bg-card); }

.post-footer { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border); }

.post-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2rem; }
.tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
  background: var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
}

.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.post-nav-prev, .post-nav-next {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.post-nav-next { text-align: right; }
.post-nav-prev:hover, .post-nav-next:hover { border-color: var(--ink); }
.nav-label { font-family: var(--mono); font-size: 0.7rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.nav-title { font-family: var(--serif); font-size: 0.95rem; }

/* --- Footer --- */
.site-footer {
  background: var(--ink);
  color: var(--bg);
  padding: 4rem 0 0;
}

.footer-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 0 2rem 3rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: start;
}

.site-footer .logo-mark { background: var(--bg); color: var(--ink); }
.site-footer .logo-text { color: var(--bg); }

.footer-tagline {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
  max-width: 280px;
  margin-bottom: 0;
}

.footer-links { display: flex; gap: 3rem; }

.footer-col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col h4 { color: rgba(255,255,255,0.4); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; font-family: var(--mono); margin-bottom: 0.5rem; }
.footer-col a { font-size: 0.9rem; color: rgba(255,255,255,0.7); transition: color 0.2s; }
.footer-col a:hover { color: white; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.25rem 2rem;
  max-width: var(--max-w-wide);
  margin: 0 auto;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.3);
  display: flex;
  justify-content: space-between;
}

/* --- Page: Nosotros / Contacto --- */
.page-header {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--border);
}

.page-body {
  padding: 4rem 0 6rem;
}

/* --- Pagination --- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: 3rem 0 0;
}

.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: var(--mono);
  border: 1px solid var(--border);
  color: var(--ink);
  transition: all 0.2s;
}

.pagination a:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.pagination .current { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .site-nav { display: none; }
  .site-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    gap: 0.25rem;
  }
  .menu-toggle { display: flex; }
  .site-header { position: relative; }

  .featured-post { grid-template-columns: 1fr; }
  .featured-post-image { order: -1; aspect-ratio: 16/9; }

  .blog-list-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .blog-item-date { padding-top: 0; }

  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-links { flex-direction: column; gap: 1.5rem; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-next { text-align: left; }
}

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow { animation: fadeUp 0.5s ease both; }
.hero h1      { animation: fadeUp 0.5s 0.1s ease both; }
.hero-lead    { animation: fadeUp 0.5s 0.2s ease both; }
.hero-actions { animation: fadeUp 0.5s 0.3s ease both; }

/* --- Topics Strip --- */
.topics-strip {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.topics-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.topic-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-muted);
  background: var(--bg);
  transition: all 0.2s;
}

.topic-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(26, 79, 140, 0.05);
}