/* =========================================
HEADER BASE (ESTRUCTURA GENERAL)
-----------------------------------------
Contenedor principal del header:
- Sticky (se queda arriba)
- Layout horizontal (logo / menú / acciones)
========================================= */

.main-header{
  background:#ffffff;
  border-bottom:1px solid #e2e8f0;
  position:sticky;
  top:0;
  z-index:1000;
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;

  max-width:1200px;
  margin:auto;
  padding:22px 20px;
}


/* =========================================
LOGO / MARCA
-----------------------------------------
Contiene:
- Nombre (Chapa & Co.)
- Subtítulo
========================================= */

.brand-logo{
  display:flex;
  flex-direction:column;
  text-decoration:none;
  line-height:1.1;
  gap:4px;

  flex-shrink:0; /* evita que se comprima */
}

.brand-title{
  font-family:'IvyJournal', serif;
  font-size:34px;
  font-weight:500;
  letter-spacing:-0.4px;
  color:#0b2239;
}

.brand-signature{
  font-family:'Bodoni Moda',serif;
  font-size:14px;
  color:#0b2239;
  line-height:1.3;
}


/* =========================================
NAV PRINCIPAL (DESKTOP)
-----------------------------------------
Menú horizontal centrado
========================================= */

.main-nav{
  flex:1;
  display:flex;
  justify-content:center;
}

.main-nav ul{
  display:flex;
  gap:22px;
  list-style:none;
  margin:0;
  padding:0;
  white-space:nowrap;
}

.main-nav a{
  position:relative;
  display:inline-block;
  text-decoration:none;

  font-size:12px;
  letter-spacing:1.6px;
  text-transform:uppercase;
  color:#0b2239;
  opacity:.85;

  transition:
    color .25s ease,
    opacity .25s ease;
}

/* línea Apple style */
.main-nav a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-7px;
  width:100%;
  height:1px;
  background:#0b2239;

  transform:translateX(-50%) scaleX(0);
  transform-origin:center;
  opacity:0;

  transition:
    transform .28s ease,
    opacity .28s ease;
}

/* hover */
.main-nav a:hover{
  opacity:1;
  color:#000000;
}

.main-nav a:hover::after{
  transform:translateX(-50%) scaleX(1);
  opacity:1;
}

/* activo */
.main-nav a.active{
  opacity:1;
  color:#000000;
}

.main-nav a.active::after{
  transform:translateX(-50%) scaleX(1);
  opacity:1;
}

/* click */
.main-nav a:active{
  opacity:.55;
}

/* =========================================
ELEMENTOS SOLO MOBILE (OCULTOS EN DESKTOP)
-----------------------------------------
Se muestran dentro del menú hamburguesa
========================================= */

.mobile-extra{
  display:none;
}


/* =========================================
ACCIONES (IDIOMA + BOTÓN)
========================================= */

.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}

.language-switch a{
  font-size:12px;
  text-decoration:none;
  color:#6b7c8f;
}


/* =========================================
BOTÓN PRINCIPAL (CTA)
========================================= */

.cta-button{
  display:inline-block;
  width:auto;
  max-width:none;
  box-sizing:border-box;
  text-align:center;
  border:1px solid #3b82f6;
  padding:10px 18px;
  border-radius:4px;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.8px;
  text-decoration:none;
  color:#3b82f6;
  white-space:nowrap;
  transition:.2s;
}

.cta-button:hover{
  background:#3b82f6;
  color:white;
}


/* =========================================
BOTÓN HAMBURGER (MOBILE)
========================================= */

.menu-toggle{
  display:none;
  background:none;
  border:1px solid #cbd5e1;
  border-radius:4px;
  font-size:20px;
  width:40px;
  height:40px;
  cursor:pointer;
}


/* =========================================
TABLET (<=1024px)
-----------------------------------------
Ajustes ligeros de spacing
========================================= */

@media (max-width:1024px){

  .main-nav ul{
    gap:16px;
  }

  .cta-button{
    padding:9px 14px;
    font-size:11px;
  }

}


/* =========================================
TABLET + MOBILE (<=900px)
-----------------------------------------
Cambio estructural:
- Se activa hamburger
- Menú pasa a vertical
========================================= */

@media (max-width:900px){

  .header-inner{
    flex-wrap:wrap;
    gap:10px;
  }

  /* LOGO: ocupa todo el espacio disponible */
  .brand-logo{    
    flex:1;
    max-width:none;
    display:flex;
    align-items:flex-start;
  }

  .brand-title{
    font-size:30px;
    white-space:nowrap; /* evita que "Chapa & Co." se rompa */
  }

  .brand-signature{
    font-size:13px;
  }

  /* HAMBURGER */
  .menu-toggle{
    margin-left:auto;
    display:flex;
    align-items:center;
    justify-content:center;
  }

  
  /* NAV oculto por defecto */
  .main-nav{
    flex-basis:100%;
    display:none;
    width:100%;
    margin-top:18px;
    opacity:0;
    transform:translateY(-10px);
    transition:all .25s ease;
  }

  /* NAV visible cuando se activa (JS) */
  .main-nav.active{
    display:block;
    opacity:1;
    transform:translateY(0);
  }

  
  /* MENÚ vertical */
  .main-nav ul{
    display:flex;
    flex-direction:column;
    gap:20px;
  }

  .main-nav a{
    font-size:13px;
    letter-spacing:2px;
    font-weight:500;
    color:#1f2d3d;
  }


  .main-nav a:active{
  opacity:.1;
}

   /* quitar línea inferior en mobile */
  .main-nav a.active::after{
    display:none;
  }

  /* estilo activo tipo premium */
  .main-nav a.active{
    opacity:1;
    color:#0b2239;
    position:relative;
    padding-left:14px;
  }

  /* línea lateral (mucho más pro) */
  .main-nav a.active::before{
    content:"";
    position:absolute;
    left:0;
    top:50%;
    transform:translateY(-50%);
    width:3px;
    height:16px;
    background:#0b2239;
  }



  /* Ocultar acciones de desktop */
  .header-actions{
    display:none;
  }

  /* BLOQUE inferior (ES + botón) */
  .mobile-extra{
    display:block;     
    margin-top:36px;
    padding-top:18px;
    border-top:1px solid rgba(0,0,0,0.04);
  }

  .mobile-extra a{
    display:block;
    text-align:center;
    font-size:13px;
    letter-spacing:1.2px;
    color:#6b7c8f;
    opacity:.7;
    margin-bottom:10px;
  }

  /* BOTÓN en mobile */
  .mobile-extra .cta-button{
    display:block;
    width:100%;
    max-width:320px;
    margin:22px auto 0 auto;
    padding:14px 20px;
    border-radius:6px;
    border-width:1.5px;
    font-weight:500;
    font-size:12px;
    letter-spacing:1px;
    opacity:1 !important;
  }

}


/* =========================================
MOBILE (<=600px)
-----------------------------------------
Solo ajustes finos
========================================= */

@media (max-width:600px){

  .hero{
    padding:80px 0 0 0;
    padding-bottom:0;
    overflow:hidden;
  }

  .hero-grid{
    grid-template-columns:1fr;
    gap:20px;
    padding:0 20px;
    position:relative;
  }

  .hero-content{
    padding:0 14px;
    margin-top:0;
    position:relative;
    z-index:10;
  }

  .hero h1{
    font-size:29px;
    line-height:1.16;
  }

  .hero-sub{
    font-size:14px;
    line-height:1.65;
    max-width:100%;
    margin-bottom:22px;
  }

  .hero-actions{
    flex-direction:column;
    align-items:flex-start;
    padding:0 6px;
    margin-top:18px;
    position:relative;
    z-index:20;
  }

  .btn-primary,
  .hero-contact,
  .hero-contact a{
    position:relative;
    z-index:30;
  }

  .hero-image-wrapper::before{
    pointer-events:none;
  }

  .hero-image-wrapper{
    display:flex;
    justify-content:center;
    margin-top:20px;
    position:relative;
    z-index:1;
    pointer-events:none;
  }

  .hero-image-wrapper img{
    max-height:300px;
    transform:translateY(0px);
    display:block;
    margin-bottom:-5px;
    pointer-events:none;
  }
}