/* ===== VARIABLES ===== */
:root{
  --max: 1100px;
  --bg:#f6f8fb;
  --fg:#0b1d3a;
  --muted:#5e6b7a;
  --brand:#2f63b8;
  --brand-strong:#1d4f9a;
  --card:#ffffff;
  --line:#e6ecf3;
}

/* ===== RESET Y BASE ===== */
*{
  box-sizing: border-box;
}

html{
  font-size: 17px;
}

body{
  margin:0;
  color:var(--fg);
  background:var(--bg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Noto Sans", Arial;
  line-height: 1.6;
}

a{
  color:var(--brand);
  text-decoration:none;
}

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

/* ===== LAYOUT ===== */
header, main, footer{
  max-width: var(--max);
  margin:0 auto;
  padding:16px;
}

/* ===== HEADER ===== */
header{
  background:var(--card);
  border-bottom:1px solid var(--line);
  border-radius: 0 0 14px 14px;
}

.header-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
}

.header-right{
  display:flex;
  align-items:center;
  gap:12px;
}

.brand{
  text-align:center;
  flex:1 1 auto;
}

.brand-title{
  font-weight:800;
  letter-spacing:.4px;
  font-size:1.35rem;
}

.brand-sub{
  color:var(--muted);
  font-size:1.02rem;
  letter-spacing:.2px;
}

.logo{
  display:inline-flex;
  align-items:center;
  justify-content:center;
}

.logo img{
  height: 72px;
  width: auto;
  max-width: 360px;
  object-fit: contain;
}

/* ===== SELECTOR DE IDIOMA ===== */
.lang{
  display:none;
  gap:8px;
  align-items:center;
  color:var(--muted);
  text-transform:uppercase;
  letter-spacing:.12em;
}

.lang button{
  background:transparent;
  border:1px solid var(--line);
  color:var(--fg);
  padding:6px 10px;
  border-radius:10px;
  cursor:pointer;
}

.lang button.active{
  border-color: var(--brand);
  background-color: var(--brand);
  color: white;
}

@media (min-width:960px){
  .lang{
    display:flex;
  }
}

/* ===== HERO ===== */
.hero{
  padding: 32px 16px 8px;
  text-align: center;
}

.hero h1{
  font-size:clamp(1.6rem,3vw,2.3rem);
  margin:0 0 8px;
  letter-spacing:.3px;
}

.hero p{
  color:var(--muted);
  margin:0 0 16px;
}

@media (min-width: 480px){
  .hero h1{
    font-size: clamp(2rem, 3.2vw, 2.6rem);
  }
}

/* ===== BOTONES ===== */
.cta{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
  justify-content: center;
}

.btn{
  padding:12px 16px;
  border-radius:12px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--fg);
  cursor:pointer;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-weight:600;
}

.btn.primary{
  background:var(--brand);
  color:#fff;
  border-color:var(--brand);
}

.btn.primary:hover{
  background:var(--brand-strong);
  border-color:var(--brand-strong);
}

/* ===== GRID Y TARJETAS ===== */
.grid{
  display: grid;
  grid-template-columns: minmax(0, 800px); /* Ancho máximo de 800px */
  justify-content: center; /* Centra la columna */
  gap: 14px;
  padding: 16px 16px;
  margin: 0 auto;
  width: 100%;
}

.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.card h3{
  font-size: 1.25rem;
  margin: 0 0 16px;
  color: var(--fg);
}

.card ul{
  margin: 0 0 20px;
  padding-left: 20px;
}

.card li{
  margin: 8px 0;
  color: var(--muted);
}

/* ===== BADGES ===== */
.badges{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.badge-separator{
  color: var(--muted);
  font-weight: 300;
  font-size: 1.1rem;
}

.badge{
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--brand);
  letter-spacing: .03em;
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: 500;
}

@media (min-width: 480px){
  .badges{
    padding-bottom: 0;
  }
  
  .badge{
    font-size: 0.95rem;
    padding: 6px 16px;
  }
}

/* Versión para tablets y desktop */
@media (min-width: 768px){
  .grid{
    grid-template-columns: minmax(0, 700px);
  }
  
  .card{
    padding: 32px;
  }
  
  .card h3{
    font-size: 1.35rem;
  }
  
  .card li{
    font-size: 1.05rem;
  }
}

/* Versión para pantallas grandes */
@media (min-width: 1024px){
  .grid{
    grid-template-columns: minmax(0, 800px);
  }
}

/* ===== SECCIÓN PROMOCIONAL (BANNER CENTRADO) ===== */
.promo-section{
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px;
  text-align: center;
}

.promo-img{
  display: block;
  width: 100%;
  max-width: 500px;
  height: auto;
  margin: 0 auto;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.note-isco3{
  font-size: 1rem;
  color: #5a5a5a;
  margin: 0.75rem auto;
  text-align: center;
  max-width: 600px;
}

/* ===== DECLARATION INFO ===== */
.declaration-info{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  margin-top: 16px;
  display: none;
  text-align: left;
}

.declaration-info.active{
  display: block;
}

.declaration-info h3{
  margin: 0 0 16px;
  color: var(--fg);
  font-size: 1.15rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.declaration-info p{
  margin: 12px 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 1.02rem;
}

.declaration-info ul{
  margin: 12px 0;
  padding-left: 20px;
  color: var(--muted);
}

.declaration-info li{
  margin: 6px 0;
  line-height: 1.4;
  font-size: 1.02rem;
}

.declaration-info .btn{
  display: inline-block;
  width: auto;
  text-align: center;
  margin: 8px 0;
}

.declaration-info p:last-child{
  text-align: center;
}

/* ===== FOOTER ===== */
footer{
  border-top:1px solid var(--line);
  color:var(--muted);
  margin-top:24px;
  padding-top:16px;
  text-align:center;
}

/* ===== MEDIA QUERIES MÓVIL ===== */
@media (max-width: 959px){ 
  .logo img{
    height: 56px;
    max-width: 280px;
  } 
}

@media (max-width: 640px){
  .container{
    padding-left: 14px;
    padding-right: 14px;
  }

  .info-grid, .grid-2, .cards-2{
    display: grid;
    grid-template-columns: 1fr !important;
    gap: 12px;
  }

  .card{
    padding: 14px;
    border-radius: 14px;
  }

  .card h3{
    font-size: 1.05rem;
    margin-bottom: 8px;
  }

  .card p, .card li{
    font-size: 0.98rem;
    line-height: 1.5;
  }

  .badge{
    font-size: 0.9rem;
    padding: 6px 10px;
  }

  .hero h1{
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .hero p{
    font-size: 1rem;
  }

  .hero .buttons{
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .hero .buttons .btn{
    width: 100%;
    text-align: center;
  }

  .promo-img{
    width: 100%;
    height: auto;
    display: block;
    border-radius: 14px;
    max-width: 100%;
  }
}
/* ===== MAIN CENTRADO ===== */
main {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

main > * {
  width: 100%;
}

/* Asegurar que las secciones dentro de main también estén centradas */
.hero,
.grid,
.promo-section {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.hero {
  text-align: center;
}