/* =========================================================
   Ueliora — Análisis de Principios y Métodos Contables
   Hoja de estilos principal
   ========================================================= */

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

:root{
  --color-bg: #FAFAF8;
  --color-bg-alt: #F1F3F1;
  --color-surface: #FFFFFF;
  --color-primary: #17324F;
  --color-primary-dark: #0F2439;
  --color-secondary: #5A6472;
  --color-text: #232830;
  --color-text-muted: #5A6472;
  --color-border: #E1E5E1;
  --color-accent: #7FAE8E;
  --color-accent-soft: #E7F0EA;
  --font-heading: 'Sora', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Lora', Georgia, 'Times New Roman', serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --max-width: 1180px;
}

*{ box-sizing: border-box; }
html,body{ margin:0; padding:0; }

body{
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

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

a{ color: var(--color-primary); text-decoration: none; }
a:hover{ text-decoration: underline; }

h1,h2,h3,h4,h5{
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  line-height: 1.25;
  margin: 0 0 0.6em 0;
  font-weight: 600;
}

h1{ font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 700; }
h2{ font-size: clamp(1.5rem, 3vw, 2.05rem); }
h3{ font-size: 1.3rem; }
h4{ font-size: 1.08rem; }

p{ margin: 0 0 1.1em 0; }

ul,ol{ margin: 0 0 1.2em 0; padding-left: 1.4em; }
li{ margin-bottom: 0.4em; }

.container{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden{
  position:absolute; left:-9999px; top:auto;
}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute; left:-999px; top:0;
  background:var(--color-primary); color:#fff;
  padding:10px 16px; z-index:200;
}
.skip-link:focus{ left:10px; top:10px; }

/* ---------- Top utility bar ---------- */
.topbar{
  background: var(--color-primary-dark);
  color: #cfd9e0;
  font-family: var(--font-heading);
  font-size: 0.82rem;
}
.topbar .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:8px;
  padding-bottom:8px;
  flex-wrap:wrap;
  gap:6px;
}
.topbar a{ color:#cfd9e0; }
.topbar a:hover{ color:#fff; }
.topbar-contact{ display:flex; gap:18px; flex-wrap:wrap; }

/* ---------- Header / Nav ---------- */
.site-header{
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 16px 24px;
}
.logo{
  font-family: var(--font-heading);
  font-weight:700;
  font-size:1.5rem;
  color: var(--color-primary-dark);
  letter-spacing: 0.01em;
}
.logo span{ color: var(--color-accent); }
.logo-tagline{
  display:block;
  font-family: var(--font-body);
  font-size:0.72rem;
  font-weight:400;
  color: var(--color-text-muted);
  letter-spacing:0.02em;
}

.main-nav{
  display:flex;
  align-items:center;
  gap: 4px;
}
.main-nav ul{
  display:flex;
  list-style:none;
  margin:0; padding:0;
  gap: 2px;
  flex-wrap:wrap;
}
.main-nav a{
  font-family: var(--font-heading);
  font-size:0.92rem;
  font-weight:500;
  color: var(--color-primary-dark);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  display:inline-block;
}
.main-nav a:hover, .main-nav a.active{
  background: var(--color-accent-soft);
  color: var(--color-primary-dark);
  text-decoration:none;
}

.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding:8px 10px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:22px;
  height:2px;
  background: var(--color-primary-dark);
  margin:4px 0;
}

@media (max-width: 900px){
  .nav-toggle{ display:block; }
  .main-nav{
    position:absolute;
    top:100%; left:0; right:0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display:none;
    flex-direction:column;
    padding: 8px 24px 20px;
  }
  .main-nav.open{ display:flex; }
  .main-nav ul{ flex-direction:column; width:100%; gap:0; }
  .main-nav a{ display:block; padding:12px 4px; border-bottom:1px solid var(--color-border); }
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  font-family: var(--font-heading);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding: 14px 0;
}
.breadcrumb a{ color: var(--color-secondary); }
.breadcrumb .sep{ margin: 0 6px; color:#b7bec1; }
.breadcrumb .current{ color: var(--color-primary-dark); }

/* ---------- Hero ---------- */
.hero{
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items:center;
}
.hero-eyebrow{
  font-family: var(--font-heading);
  font-size:0.8rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color: var(--color-secondary);
  margin-bottom: 14px;
}
.hero p.lead{
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 640px;
}
.hero-actions{
  display:flex; gap:14px; margin-top: 24px; flex-wrap:wrap;
}
.hero-figure{
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow:hidden;
}
.hero-figure img{ width:100%; }
.hero-figure figcaption{
  font-family: var(--font-heading);
  font-size:0.78rem;
  color: var(--color-text-muted);
  padding: 10px 14px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
}

/* ---------- Page header (non-hero pages) ---------- */
.page-header{
  padding: 40px 0 30px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.page-header p.lead{
  color: var(--color-text-muted);
  max-width: 720px;
  font-size: 1.08rem;
}

/* ---------- Buttons ---------- */
.btn{
  font-family: var(--font-heading);
  font-weight:600;
  font-size:0.92rem;
  display:inline-block;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary-dark);
  cursor:pointer;
}
.btn-primary{
  background: var(--color-primary-dark);
  color:#fff;
}
.btn-primary:hover{ background: var(--color-primary); text-decoration:none; }
.btn-outline{
  background:transparent;
  color: var(--color-primary-dark);
}
.btn-outline:hover{ background: var(--color-accent-soft); text-decoration:none; }

/* ---------- Sections ---------- */
.section{
  padding: 56px 0;
}
.section-alt{
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.section-head{
  max-width: 700px;
  margin-bottom: 36px;
}
.section-head .kicker{
  font-family: var(--font-heading);
  text-transform:uppercase;
  letter-spacing:0.1em;
  font-size:0.78rem;
  color: var(--color-accent);
  font-weight:600;
  margin-bottom:8px;
}

.divider{
  border:none;
  border-top:1px solid var(--color-border);
  margin: 44px 0;
}

/* ---------- Content layout (article + sidebar) ---------- */
.content-grid{
  display:grid;
  grid-template-columns: 2.1fr 1fr;
  gap: 48px;
  align-items:start;
}
@media (max-width: 900px){
  .content-grid{ grid-template-columns: 1fr; }
}

.article-body figure{ margin: 28px 0; }
.article-body figcaption{
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top:8px;
}
.article-body blockquote{
  border-left: 3px solid var(--color-accent);
  margin: 24px 0;
  padding: 4px 0 4px 20px;
  font-style: italic;
  color: var(--color-text-muted);
}

/* ---------- Info box ---------- */
.info-box{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  margin-bottom: 22px;
}
.info-box h4{
  border-top: 3px solid var(--color-accent);
  padding-top: 12px;
  margin-top:-22px;
  margin-left:-24px;
  margin-right:-24px;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- Grid cards ---------- */
.card-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
@media (max-width: 900px){ .card-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px){ .card-grid{ grid-template-columns: 1fr; } }

.card{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display:flex;
  flex-direction:column;
}
.card h3{ font-size:1.12rem; }
.card .card-figure{
  margin: -24px -24px 18px -24px;
  border-bottom:1px solid var(--color-border);
  overflow:hidden;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* ---------- Table ---------- */
.data-table{
  width:100%;
  border-collapse: collapse;
  font-family: var(--font-heading);
  font-size:0.92rem;
  margin: 22px 0 30px;
}
.data-table th, .data-table td{
  border: 1px solid var(--color-border);
  padding: 12px 14px;
  text-align:left;
}
.data-table th{
  background: var(--color-primary-dark);
  color:#fff;
  font-weight:600;
}
.data-table tr:nth-child(even) td{ background: var(--color-bg-alt); }

/* ---------- Team ---------- */
.team-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
@media (max-width:900px){ .team-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width:600px){ .team-grid{ grid-template-columns: 1fr; } }
.team-card img{ border-radius: var(--radius-md); border:1px solid var(--color-border); }
.team-card h3{ margin-top:14px; margin-bottom:2px; font-size:1.05rem; }
.team-card .role{
  font-family: var(--font-heading);
  color: var(--color-accent);
  font-size:0.84rem;
  font-weight:600;
  margin-bottom:8px;
}

/* ---------- FAQ (accordion) ---------- */
.faq-item{
  border-bottom: 1px solid var(--color-border);
}
.faq-question{
  width:100%;
  text-align:left;
  background:none;
  border:none;
  padding: 18px 0;
  font-family: var(--font-heading);
  font-weight:600;
  font-size:1.02rem;
  color: var(--color-primary-dark);
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 16px;
}
.faq-question .icon{
  font-size:1.3rem;
  color: var(--color-accent);
  flex-shrink:0;
}
.faq-answer{
  display:none;
  padding: 0 0 20px 0;
  color: var(--color-text-muted);
}
.faq-item.open .faq-answer{ display:block; }
.faq-item.open .icon{ transform: rotate(45deg); }

/* ---------- Steps list ---------- */
.steps{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap: 20px;
}
.step{
  display:grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 20px;
}
.step .num{
  font-family: var(--font-heading);
  font-weight:700;
  color: var(--color-accent);
  font-size:1.4rem;
}

/* ---------- Form ---------- */
.form-wrap{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
}
.form-row{ margin-bottom: 18px; }
.form-row label{
  display:block;
  font-family: var(--font-heading);
  font-weight:600;
  font-size:0.9rem;
  margin-bottom: 6px;
  color: var(--color-primary-dark);
}
.form-row input, .form-row select, .form-row textarea{
  width:100%;
  font-family: var(--font-body);
  font-size:1rem;
  padding: 11px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  outline: 2px solid var(--color-accent);
  outline-offset:1px;
}
.form-two-col{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width:600px){ .form-two-col{ grid-template-columns:1fr; } }
.form-note{ font-size:0.84rem; color: var(--color-text-muted); }
.checkbox-row{ display:flex; align-items:flex-start; gap:10px; }
.checkbox-row input{ width:auto; margin-top:4px; }

#form-success{
  display:none;
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent);
  color: var(--color-primary-dark);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 22px;
  font-family: var(--font-heading);
  font-size:0.95rem;
}
#form-success.visible{ display:block; }

/* ---------- Contact details block ---------- */
.contact-details{
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
  margin: 30px 0 10px;
}
@media (max-width:900px){ .contact-details{ grid-template-columns:1fr; } }
.contact-details .item{
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  background: var(--color-surface);
}
.contact-details .item h4{
  font-size:0.8rem;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color: var(--color-secondary);
}

/* ---------- Blog list ---------- */
.post-list{
  display:grid;
  gap: 30px;
}
.post-row{
  display:grid;
  grid-template-columns: 260px 1fr;
  gap: 26px;
  border-bottom:1px solid var(--color-border);
  padding-bottom: 30px;
}
@media (max-width:700px){ .post-row{ grid-template-columns:1fr; } }
.post-row img{ border-radius: var(--radius-md); border:1px solid var(--color-border); }
.post-meta{
  font-family: var(--font-heading);
  font-size:0.78rem;
  color: var(--color-secondary);
  text-transform:uppercase;
  letter-spacing:0.04em;
  margin-bottom:8px;
}

/* ---------- CTA band ---------- */
.cta-band{
  background: var(--color-primary-dark);
  color:#e7ebee;
  padding: 48px 0;
}
.cta-band h2{ color:#fff; }
.cta-band p{ color:#c3ccd3; max-width:600px; }
.cta-band .btn-primary{ background:#fff; color:var(--color-primary-dark); border-color:#fff; }
.cta-band .btn-primary:hover{ background: var(--color-accent-soft); }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--color-primary-dark);
  color: #b9c3ca;
  font-size: 0.92rem;
}
.footer-top{
  padding: 52px 0 36px;
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
@media (max-width:900px){ .footer-top{ grid-template-columns: 1fr 1fr; } }
@media (max-width:560px){ .footer-top{ grid-template-columns: 1fr; } }
.site-footer h4{
  color:#fff;
  font-size:0.85rem;
  text-transform:uppercase;
  letter-spacing:0.06em;
  margin-bottom:16px;
}
.site-footer ul{ list-style:none; padding:0; margin:0; }
.site-footer li{ margin-bottom:10px; }
.site-footer a{ color:#b9c3ca; }
.site-footer a:hover{ color:#fff; }
.footer-logo{
  font-family: var(--font-heading);
  font-weight:700;
  font-size:1.35rem;
  color:#fff;
  margin-bottom:12px;
  display:block;
}
.footer-bottom{
  border-top: 1px solid #274257;
  padding: 20px 0;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:0.82rem;
  color:#8ea0ac;
}

/* ---------- Legal pages ---------- */
.legal-content h2{ margin-top: 40px; }
.legal-content h2:first-of-type{ margin-top:0; }
.legal-meta{
  font-family: var(--font-heading);
  font-size:0.85rem;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 30px;
}

/* ---------- Utility ---------- */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.small{ font-size:0.86rem; color: var(--color-text-muted); }
.tag-list{ display:flex; gap:8px; flex-wrap:wrap; margin: 14px 0; }
.tag-list span{
  font-family: var(--font-heading);
  font-size:0.76rem;
  border:1px solid var(--color-border);
  border-radius: 20px;
  padding: 4px 12px;
  color: var(--color-secondary);
}