:root{
  --blue:#0A4D68;
  --blue-dark:#06384d;
  --ice:#E8F7FB;
  --cyan:#00A6D6;
  --orange:#FF8A00;
  --dark:#1f2933;
  --muted:#5d6b78;
  --light:#ffffff;
  --gray:#f5f7fa;
  --border:#dce5ec;
  --shadow:0 16px 40px rgba(10,77,104,.14);
  --radius:22px;
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--dark);
  background:#fff;
  line-height:1.6;
}

a{
  color:inherit;
  text-decoration:none;
}

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

.container{
  width:min(1180px,92%);
  margin:auto;
}

/* =========================
   TOP BAR
========================= */

.topbar{
  background:var(--blue-dark);
  color:#fff;
  font-size:.92rem;
}

.topbar .container{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:8px 0;
  flex-wrap:wrap;
}

/* =========================
   HEADER / NAVBAR
========================= */

.site-header{
  position:sticky;
  top:0;
  z-index:999;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}

.navbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  min-height:78px;
  position:relative;
}

.logo-link{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  color:var(--blue);
}

.logo-link img{
  width:148px;
  height:auto;
}

.logo-text{
  display:none;
}

.nav-menu{
  display:flex;
  align-items:center;
  gap:22px;
  list-style:none;
  padding:0;
  margin:0;
  font-weight:700;
  font-size:.96rem;
}

.nav-menu a{
  color:var(--dark);
}

.nav-menu a:hover{
  color:var(--cyan);
}

.nav-actions{
  display:flex;
  gap:10px;
  align-items:center;
}

.menu-toggle{
  display:none;
  border:0;
  background:var(--blue);
  color:#fff;
  border-radius:12px;
  padding:10px 12px;
  font-size:1.25rem;
  cursor:pointer;
}

/* =========================
   SUBMENÚ
========================= */

.has-submenu{
  position:relative;
}

.submenu-toggle{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:6px;
  border:0;
  background:transparent;
  color:var(--dark);
  font:inherit;
  font-weight:700;
  cursor:pointer;
  padding:10px 0;
}

.submenu-toggle span{
  font-size:.8rem;
  transition:transform .2s ease;
}

.has-submenu.open .submenu-toggle span{
  transform:rotate(180deg);
}

.submenu-toggle:hover{
  color:var(--cyan);
}

.submenu{
  position:absolute;
  top:calc(100% + 8px);
  left:0;
  min-width:275px;
  list-style:none;
  margin:0;
  padding:10px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:.2s ease;
  z-index:1000;
}

.submenu li a{
  display:block;
  padding:10px 14px;
  border-radius:12px;
  color:var(--dark);
  font-weight:600;
  font-size:.92rem;
  transition:.2s ease;
}

.submenu li a:hover{
  background:var(--ice);
  color:var(--blue);
  transform:translateX(4px);
}

.has-submenu:hover .submenu{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

.has-submenu.open .submenu{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

/* =========================
   BOTONES
========================= */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 18px;
  border-radius:999px;
  font-weight:800;
  border:2px solid transparent;
  cursor:pointer;
  transition:.22s ease;
  text-align:center;
}

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

.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 22px rgba(255,138,0,.26);
}

.btn-outline{
  border-color:var(--blue);
  color:var(--blue);
  background:#fff;
}

.btn-outline:hover{
  background:var(--blue);
  color:#fff;
}

/* =========================
   HERO
========================= */

.hero{
  background:
    linear-gradient(135deg, rgba(10,77,104,.94), rgba(0,166,214,.75)),
    url('../img/hero-electrodomesticos.jpg') center/cover no-repeat;
  color:#fff;
  padding:94px 0 82px;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  align-items:center;
  gap:46px;
}

.eyebrow{
  display:inline-flex;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  border-radius:999px;
  padding:7px 14px;
  font-weight:800;
  margin-bottom:18px;
}

.hero h1{
  font-size:clamp(2.2rem,5vw,4.6rem);
  line-height:1.04;
  margin:0 0 18px;
}

.hero p{
  font-size:1.18rem;
  max-width:690px;
  margin-bottom:28px;
}

.hero-card{
  background:rgba(255,255,255,.96);
  color:var(--dark);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow);
}

.hero-card h3{
  margin-top:0;
  color:var(--blue);
}

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

/* =========================
   SECCIONES
========================= */

.section{
  padding:76px 0;
}

.section.gray{
  background:var(--gray);
}

.section-title{
  max-width:780px;
  margin:0 auto 38px;
  text-align:center;
}

.section-title h2{
  font-size:clamp(1.8rem,3vw,2.65rem);
  color:var(--blue);
  margin:0 0 12px;
  line-height:1.15;
}

.section-title p{
  color:var(--muted);
  margin:0;
}

.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}

.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}

.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:0 10px 28px rgba(10,77,104,.08);
}

.card img{
  width:100%;
  height:190px;
  object-fit:cover;
  border-radius:18px;
  margin-bottom:18px;
  background:var(--ice);
}

.card h3{
  color:var(--blue);
  margin:0 0 10px;
  font-size:1.25rem;
}

.card p{
  color:var(--muted);
}

.card .btn{
  margin-top:8px;
}

/* =========================
   FEATURES
========================= */

.feature-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  margin-top:24px;
}

.feature{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
}

.feature strong{
  color:var(--blue);
}

/* =========================
   PAGE HERO
========================= */

.page-hero{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#fff;
  padding:72px 0;
}

.page-hero h1{
  font-size:clamp(2rem,4vw,3.4rem);
  line-height:1.08;
  margin:0 0 14px;
}

.page-hero p{
  font-size:1.12rem;
  max-width:850px;
}

/* =========================
   CONTENT
========================= */

.content h2{
  color:var(--blue);
  font-size:2rem;
  margin-top:0;
}

.content h3{
  color:var(--blue-dark);
  margin-top:28px;
}

.content ul{
  padding-left:20px;
}

.callout{
  background:var(--ice);
  border-left:6px solid var(--cyan);
  border-radius:18px;
  padding:22px;
  margin:26px 0;
}

/* =========================
   CTA
========================= */

.cta{
  background:linear-gradient(135deg,var(--blue-dark),var(--blue));
  color:#fff;
  border-radius:28px;
  padding:42px;
  display:grid;
  grid-template-columns:1.4fr .6fr;
  gap:24px;
  align-items:center;
}

.cta h2{
  margin:0 0 10px;
  color:#fff;
}

.cta p{
  margin:0;
  color:rgba(255,255,255,.9);
}

/* =========================
   CONTACTO
========================= */

.contact-box{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:30px;
}

.contact-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:20px;
  padding:22px;
}

.form{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
}

.form label{
  font-weight:800;
  color:var(--blue);
}

.form input,
.form textarea,
.form select{
  width:100%;
  margin:6px 0 16px;
  border:1px solid var(--border);
  border-radius:12px;
  padding:13px 14px;
  font:inherit;
}

.form textarea{
  min-height:130px;
  resize:vertical;
}

/* =========================
   FOOTER
========================= */

.footer{
  background:#071f2d;
  color:#fff;
  padding:54px 0 24px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr;
  gap:32px;
}

.footer h3{
  margin-top:0;
}

.footer a{
  color:#d8f5ff;
}

.footer ul{
  list-style:none;
  padding:0;
  margin:0;
}

.footer li{
  margin-bottom:8px;
}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  margin-top:34px;
  padding-top:18px;
  color:#bdd1dc;
  font-size:.92rem;
}

/* =========================
   WHATSAPP FLOAT
========================= */

.whatsapp-float{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:1000;
  width:60px;
  height:60px;
  background:#25d366;
  color:#fff;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.9rem;
  box-shadow:0 14px 30px rgba(0,0,0,.25);
}

/* =========================
   UTILIDADES
========================= */

.breadcrumb{
  font-size:.92rem;
  margin-bottom:14px;
  opacity:.9;
}

.small-note{
  font-size:.92rem;
  color:var(--muted);
}

/* =========================
   RESPONSIVE TABLET
========================= */

@media(max-width:980px){

  .menu-toggle{
    display:block;
  }

  .navbar{
    min-height:78px;
  }

  .nav-menu{
    position:absolute;
    left:0;
    right:0;
    top:78px;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    border-bottom:1px solid var(--border);
    padding:14px 4%;
    display:none;
    box-shadow:0 18px 30px rgba(0,0,0,.08);
  }

  .nav-menu.active{
    display:flex;
  }

  .nav-menu > li{
    width:100%;
    border-bottom:1px solid rgba(220,229,236,.8);
  }

  .nav-menu > li:last-child{
    border-bottom:0;
  }

  .nav-menu > li > a{
    display:block;
    padding:14px 6px;
    width:100%;
  }

  .submenu-toggle{
    width:100%;
    padding:14px 6px;
    border-bottom:0;
  }

  .submenu{
    position:static;
    display:none;
    min-width:100%;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border:0;
    border-radius:0;
    padding:4px 0 12px 12px;
    background:#fff;
  }

  .has-submenu:hover .submenu{
    display:none;
  }

  .has-submenu.open .submenu{
    display:block;
  }

  .submenu li a{
    padding:10px 12px;
    font-size:.92rem;
    color:var(--muted);
  }

  .submenu li a:hover{
    transform:none;
    background:var(--ice);
    color:var(--blue);
  }

  .nav-actions .btn-outline{
    display:none;
  }

  .hero-grid,
  .grid-3,
  .grid-2,
  .cta,
  .footer-grid,
  .contact-box{
    grid-template-columns:1fr;
  }

  .hero{
    padding:70px 0;
  }

  .hero-card{
    max-width:560px;
  }
}

/* =========================
   RESPONSIVE MOBILE
========================= */

@media(max-width:620px){

  .topbar .container{
    display:block;
    text-align:center;
  }

  .logo-link img{
    width:126px;
  }

  .navbar{
    min-height:70px;
    gap:12px;
  }

  .nav-menu{
    top:70px;
  }

  .nav-actions .btn-primary{
    padding:10px 13px;
    font-size:.9rem;
  }

  .section{
    padding:54px 0;
  }

  .hero{
    padding:58px 0;
  }

  .hero h1{
    font-size:2.25rem;
  }

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

  .page-hero{
    padding:54px 0;
  }

  .card{
    padding:22px;
  }

  .card img{
    height:170px;
  }

  .feature-list{
    grid-template-columns:1fr;
  }

  .cta{
    padding:28px;
  }

  .whatsapp-float{
    width:56px;
    height:56px;
    right:14px;
    bottom:14px;
  }
}