@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@500;600;700;800&family=Inter:wght@400;500;600&display=swap');

/* ==========================================================================
   Winds — Fundamentos y Práctica de la Contabilidad Moderna
   Hoja de estilos principal
   ========================================================================== */

:root{
  --color-white:#ffffff;
  --color-bg-light:#F4F6F9;
  --color-navy:#0B2C4D;
  --color-navy-dark:#081F38;
  --color-aqua:#0FA3A3;
  --color-text:#20303F;
  --color-text-soft:#4C5C6B;
  --color-border:#DDE4EA;

  --font-heading:'Manrope', 'Inter', sans-serif;
  --font-body:'Inter', sans-serif;

  --radius-sm:4px;
  --radius-md:8px;
  --radius-lg:14px;

  --container:1180px;
}

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

html{scroll-behavior:smooth;}

body{
  font-family:var(--font-body);
  color:var(--color-text);
  background:var(--color-white);
  line-height:1.6;
  font-size:16px;
}

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

h1,h2,h3,h4{
  font-family:var(--font-heading);
  color:var(--color-navy);
  line-height:1.25;
  font-weight:700;
}

h1{font-size:clamp(2rem,4vw,2.9rem);}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);}
h3{font-size:1.25rem;}

p{color:var(--color-text-soft);}

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

.container--narrow{
  max-width:720px;
}

.section{
  padding:72px 0;
}

.section--light{
  background:var(--color-bg-light);
}

.section__eyebrow{
  text-transform:uppercase;
  letter-spacing:.09em;
  font-size:.78rem;
  font-weight:700;
  color:var(--color-aqua);
  margin-bottom:10px;
  display:block;
}

.section__head{
  max-width:720px;
  margin-bottom:40px;
}

.section__head p{margin-top:14px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 28px;
  border-radius:var(--radius-sm);
  font-family:var(--font-heading);
  font-weight:700;
  font-size:.95rem;
  border:2px solid transparent;
  cursor:pointer;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}

.btn--primary{
  background:var(--color-navy);
  color:var(--color-white);
}
.btn--primary:hover{background:var(--color-navy-dark);}

.btn--aqua{
  background:var(--color-aqua);
  color:var(--color-white);
}
.btn--aqua:hover{background:#0c8686;}

.btn--outline{
  background:transparent;
  border-color:var(--color-navy);
  color:var(--color-navy);
}
.btn--outline:hover{background:var(--color-navy);color:var(--color-white);}

/* ---------- Header ---------- */
.site-header{
  border-bottom:1px solid var(--color-border);
  background:var(--color-white);
  position:sticky;
  top:0;
  z-index:500;
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 24px;
  max-width:var(--container);
  margin:0 auto;
}

.logo{
  font-family:var(--font-heading);
  font-weight:800;
  font-size:1.5rem;
  color:var(--color-navy);
  display:flex;
  align-items:baseline;
  gap:6px;
}
.logo span{color:var(--color-aqua);}

.main-nav{
  display:flex;
  align-items:center;
  gap:30px;
}

.main-nav > ul{
  display:flex;
  gap:26px;
  align-items:center;
}

.main-nav a{
  font-weight:600;
  font-size:.95rem;
  color:var(--color-text);
  padding:8px 0;
  position:relative;
}
.main-nav a:hover, .main-nav a.is-active{color:var(--color-navy);}

.has-dropdown{position:relative;}
.dropdown{
  position:absolute;
  top:100%;
  left:0;
  background:var(--color-white);
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  min-width:240px;
  padding:10px;
  box-shadow:0 12px 30px rgba(11,44,77,.1);
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown{
  opacity:1;visibility:visible;transform:translateY(0);
}
.dropdown li a{
  display:block;
  padding:9px 12px;
  border-radius:var(--radius-sm);
  font-weight:500;
}
.dropdown li a:hover{background:var(--color-bg-light);}

.header-cta{display:flex;align-items:center;gap:16px;}

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:6px;
}
.nav-toggle span{width:26px;height:2px;background:var(--color-navy);display:block;}

/* ---------- Hero ---------- */
.hero{
  padding:64px 0 80px;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
}
.hero h1{margin-bottom:20px;}
.hero p{font-size:1.08rem;max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
.hero-media img{
  border-radius:var(--radius-lg);
  width:100%;
  height:420px;
  object-fit:cover;
}
.hero-stats{
  display:flex;
  gap:36px;
  margin-top:40px;
  flex-wrap:wrap;
}
.hero-stats div strong{
  display:block;
  font-family:var(--font-heading);
  font-size:1.6rem;
  color:var(--color-navy);
}
.hero-stats div span{
  font-size:.85rem;
  color:var(--color-text-soft);
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  padding:18px 0;
  border-bottom:1px solid var(--color-border);
  background:var(--color-bg-light);
}
.breadcrumb ol{display:flex;gap:8px;font-size:.85rem;color:var(--color-text-soft);flex-wrap:wrap;}
.breadcrumb a{color:var(--color-aqua);font-weight:600;}
.breadcrumb li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--color-border);}

.page-header{
  padding:56px 0 40px;
  background:linear-gradient(180deg, var(--color-bg-light), var(--color-white));
}
.page-header .section__eyebrow{margin-bottom:14px;}
.page-header p{max-width:680px;margin-top:16px;font-size:1.05rem;}

/* ---------- Cards / grids ---------- */
.grid{
  display:grid;
  gap:28px;
}
.grid--3{grid-template-columns:repeat(3,1fr);}
.grid--2{grid-template-columns:repeat(2,1fr);}
.grid--4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--color-white);
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  padding:30px;
}
.card--light{background:var(--color-bg-light);border:none;}
.card h3{margin-bottom:12px;}
.card p{font-size:.95rem;}
.card-icon{
  width:46px;height:46px;
  border-radius:var(--radius-sm);
  background:var(--color-navy);
  color:var(--color-white);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-heading);font-weight:800;
  margin-bottom:18px;
  font-size:1.05rem;
}
.card-icon--aqua{background:var(--color-aqua);}

.media-card img{
  border-radius:var(--radius-md);
  width:100%;
  height:220px;
  object-fit:cover;
  margin-bottom:18px;
}

/* ---------- Table ---------- */
.data-table{
  width:100%;
  border-collapse:collapse;
  font-size:.95rem;
}
.data-table th,.data-table td{
  text-align:left;
  padding:14px 16px;
  border-bottom:1px solid var(--color-border);
}
.data-table th{
  font-family:var(--font-heading);
  color:var(--color-navy);
  background:var(--color-bg-light);
}

/* ---------- Timeline / process ---------- */
.process{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.process-step{
  border-top:3px solid var(--color-aqua);
  padding-top:18px;
}
.process-step .num{
  font-family:var(--font-heading);
  font-size:.85rem;
  color:var(--color-aqua);
  font-weight:800;
  display:block;
  margin-bottom:10px;
}

/* ---------- Accordion (FAQ) ---------- */
.accordion-item{
  border-bottom:1px solid var(--color-border);
}
.accordion-trigger{
  width:100%;
  text-align:left;
  background:none;
  border:none;
  padding:22px 4px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  font-family:var(--font-heading);
  font-weight:700;
  font-size:1.02rem;
  color:var(--color-navy);
  cursor:pointer;
}
.accordion-trigger .plus{
  font-size:1.4rem;
  color:var(--color-aqua);
  transition:transform .2s ease;
  flex-shrink:0;
}
.accordion-item.is-open .plus{transform:rotate(45deg);}
.accordion-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.accordion-panel p{padding:0 4px 22px;font-size:.95rem;}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.form-field label{font-weight:600;font-size:.9rem;color:var(--color-navy);}
.form-field input,.form-field select,.form-field textarea{
  padding:13px 15px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  font-family:var(--font-body);
  font-size:.95rem;
  background:var(--color-white);
  color:var(--color-text);
}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{
  outline:none;border-color:var(--color-aqua);
}
.form-field--full{grid-column:1/-1;}
.form-success{
  display:none;
  background:#EAF7F5;
  border:1px solid var(--color-aqua);
  color:#0C6363;
  padding:18px 20px;
  border-radius:var(--radius-sm);
  margin-top:20px;
  font-weight:600;
  font-size:.95rem;
}
.form-success.is-visible{display:block;}
.form-error{
  color:#B23A3A;
  font-size:.82rem;
  margin-top:4px;
  display:none;
}
.form-field.has-error input,.form-field.has-error textarea{border-color:#B23A3A;}
.form-field.has-error .form-error{display:block;}

/* ---------- Contact info blocks ---------- */
.contact-info-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-bottom:48px;
}
.contact-info-grid .card strong{
  display:block;
  color:var(--color-navy);
  font-family:var(--font-heading);
  margin-bottom:6px;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--color-navy);
  border-radius:var(--radius-lg);
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2, .cta-band p{color:var(--color-white);}
.cta-band p{opacity:.85;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--color-navy-dark);
  color:#C9D4DE;
  padding:64px 0 28px;
  margin-top:40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-grid h4{
  color:var(--color-white);
  font-size:.95rem;
  margin-bottom:18px;
  font-family:var(--font-heading);
}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid a{color:#AEC0CC;font-size:.9rem;}
.footer-grid a:hover{color:var(--color-aqua);}
.footer-brand p{font-size:.88rem;color:#9FB2BF;margin:14px 0 18px;max-width:280px;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:24px;
  font-size:.82rem;
  color:#8CA0AD;
  flex-wrap:wrap;
  gap:12px;
}
.footer-bottom a{color:#8CA0AD;}
.footer-bottom a:hover{color:var(--color-aqua);}

/* ---------- Utility ---------- */
.text-center{text-align:center;margin:0 auto;}
.mt-40{margin-top:40px;}
.tag{
  display:inline-block;
  background:var(--color-bg-light);
  color:var(--color-navy);
  font-size:.78rem;
  font-weight:700;
  padding:5px 12px;
  border-radius:20px;
  margin-right:8px;
  margin-bottom:8px;
}
.list-check li{
  position:relative;
  padding-left:26px;
  margin-bottom:12px;
  font-size:.95rem;
  color:var(--color-text-soft);
}
.list-check li::before{
  content:"✓";
  position:absolute;
  left:0;
  color:var(--color-aqua);
  font-weight:800;
}

.article-meta{
  display:flex;
  gap:18px;
  font-size:.85rem;
  color:var(--color-text-soft);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.article-body h2{margin:36px 0 16px;}
.article-body h3{margin:26px 0 12px;color:var(--color-navy);}
.article-body p{margin-bottom:16px;font-size:1rem;}
.article-body ul{margin:0 0 20px 20px;list-style:disc;}
.article-body li{margin-bottom:8px;color:var(--color-text-soft);}
.article-hero img{
  width:100%;height:340px;object-fit:cover;border-radius:var(--radius-lg);margin:28px 0 8px;
}

.legal-content h2{margin:34px 0 14px;}
.legal-content h3{margin:22px 0 10px;}
.legal-content p{margin-bottom:14px;font-size:.96rem;}
.legal-content ul{margin:0 0 18px 20px;list-style:disc;color:var(--color-text-soft);}
.legal-content li{margin-bottom:8px;font-size:.95rem;}
.legal-meta{
  background:var(--color-bg-light);
  border-radius:var(--radius-md);
  padding:20px 24px;
  margin-bottom:36px;
  font-size:.9rem;
}

/* ---------- Glossary ---------- */
.glossary-nav{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:40px;
}
.glossary-nav a{
  border:1px solid var(--color-border);
  border-radius:6px;
  padding:6px 13px;
  font-weight:700;
  font-size:.85rem;
  color:var(--color-navy);
}
.glossary-nav a:hover{background:var(--color-navy);color:var(--color-white);}
.glossary-term{
  border-bottom:1px solid var(--color-border);
  padding:22px 0;
}
.glossary-term h3{margin-bottom:8px;}
.glossary-letter{
  font-family:var(--font-heading);
  font-size:1.6rem;
  color:var(--color-aqua);
  margin:38px 0 6px;
}

/* ---------- Sitemap ---------- */
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;}
.sitemap-grid h4{margin-bottom:14px;color:var(--color-navy);}
.sitemap-grid li{margin-bottom:10px;}
.sitemap-grid a{font-size:.95rem;color:var(--color-text-soft);}
.sitemap-grid a:hover{color:var(--color-aqua);}

/* ---------- Back to top ---------- */
.back-to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--color-navy);
  color:var(--color-white);
  display:flex;
  align-items:center;
  justify-content:center;
  border:none;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease, visibility .2s ease;
  font-size:1.2rem;
  z-index:400;
}
.back-to-top.is-visible{opacity:1;visibility:visible;}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .main-nav{
    position:fixed;
    top:71px;left:0;right:0;bottom:0;
    background:var(--color-white);
    flex-direction:column;
    align-items:flex-start;
    padding:24px;
    transform:translateX(-100%);
    transition:transform .25s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav > ul{flex-direction:column;align-items:flex-start;width:100%;gap:6px;}
  .main-nav > ul > li{width:100%;}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;display:none;border:none;padding-left:14px;}
  .has-dropdown.is-open .dropdown{display:block;}
  .nav-toggle{display:flex;}
  .header-cta .btn{padding:10px 16px;font-size:.85rem;}
  .hero-inner{grid-template-columns:1fr;}
  .grid--3,.grid--4,.grid--2{grid-template-columns:1fr;}
  .process{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .sitemap-grid{grid-template-columns:1fr;}
  .contact-info-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 24px;flex-direction:column;text-align:center;}
}

@media (max-width:600px){
  .footer-grid{grid-template-columns:1fr;}
  .process{grid-template-columns:1fr;}
  .hero-media img{height:280px;}
}