:root{
  --bg:#e9f0ff;
  --card:#f6f8ff;
  --text:#0b1220;
  --muted:#36445c;
  --line:rgba(12,23,46,.12);
  --accent:#2a7bff;
}

*{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family:"Space Grotesk","Sora","Avenir Next","Segoe UI",system-ui,-apple-system,Roboto,Ubuntu,Cantarell,Noto Sans,Arial;
  background:
    radial-gradient(900px 520px at 15% 0%, rgba(86,140,255,.28), transparent),
    radial-gradient(900px 520px at 85% 20%, rgba(140,210,255,.24), transparent),
    radial-gradient(1200px 700px at 50% 100%, rgba(200,220,255,.28), transparent),
    var(--bg);
  color:var(--text);
}

/* enlaces */
a{
  color:var(--accent);
  text-decoration:none;
}
a:hover{
  text-decoration:underline;
}

/* layout */
.wrap{
  max-width:980px;
  margin:0 auto;
  padding:18px;
}

/* header */
.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  letter-spacing:.3px;
}

.brand img{
  height:80px;
  width:auto;
}

.nav{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  align-items:center;
  font-size:15px;
}

.nav a{
  color:var(--text);
  opacity:.92;
}

.nav a:hover{
  color:#fff;
}

.nav .sep{
  opacity:.5;
}

.sep{
  opacity:.5;
}

.lang{
  display:none;
}

.lang a{
  padding:4px 8px;
  border-radius:8px;
  border:1px solid transparent;
}

.lang a.active,
.lang a[aria-current="page"]{
  border-color:var(--line);
  background:rgba(255,255,255,.06);
}

/* language dropdown (mobile) */
.lang-toggle{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.7);
  color:var(--text);
  font-weight:700;
  cursor:pointer;
}

.lang-toggle::after{
  content:"▾";
  font-size:12px;
  opacity:.7;
}

.lang-toggle::before{
  content:"🌐";
  font-size:14px;
  line-height:1;
}

.lang-menu{
  position:relative;
}

.lang-menu-list{
  display:none;
  position:absolute;
  top:calc(100% + 6px);
  right:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:6px;
  min-width:140px;
  box-shadow:0 12px 30px rgba(16,32,64,.12);
  z-index:3;
}

.lang-menu-list a{
  display:block;
  padding:8px 10px;
  border-radius:8px;
  color:var(--text);
}

.lang-menu-list a:hover{
  background:rgba(16,32,64,.06);
  text-decoration:none;
}

.lang-menu.open .lang-menu-list{
  display:block;
}

/* hero */
.hero{
  padding-top:10px;
  animation:fadeUp .6s ease both;
}

.page-logo{
  width:72px;
  height:auto;
  display:block;
  margin:0 0 8px 0;
}

.hero h1{
  font-size:40px;
  line-height:1.1;
  margin:10px 0 8px;
}

.sub{
  color:var(--muted);
  font-size:18px;
  max-width:760px;
}

.note{
  color:var(--muted);
  font-size:14px;
}

/* cards */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px;
  margin-top:18px;
  box-shadow:0 16px 40px rgba(16,32,64,.10);
  animation:fadeUp .6s ease both;
}

.card h2{
  margin:0 0 8px;
  font-size:20px;
}

.card ul{
  margin:8px 0 0 18px;
  color:var(--muted);
}

.meta-row{
  margin-top:10px;
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  color:var(--muted);
  font-size:14px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:12px;
  margin-top:12px;
}

.grid img{
  width:100%;
  height:auto;
  display:block;
  border-radius:12px;
  border:1px solid var(--line);
  box-shadow:0 8px 18px rgba(16,32,64,.12);
}

.carousel{
  position:relative;
  margin-top:12px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
}

.carousel-track{
  display:flex;
  transition:transform .5s ease;
  will-change:transform;
}

.carousel-slide{
  min-width:100%;
}

.carousel-slide img{
  width:100%;
  height:360px;
  object-fit:contain;
  background:rgba(255,255,255,.6);
  display:block;
}

.carousel-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  background:rgba(255,255,255,.85);
  border:1px solid var(--line);
  width:40px;
  height:40px;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  color:var(--text);
  font-weight:800;
  z-index:2;
}

.carousel-btn:hover{
  background:#fff;
}

.carousel-btn.prev{ left:12px; }
.carousel-btn.next{ right:12px; }

.carousel-dots{
  position:absolute;
  bottom:12px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:8px;
  padding:6px 10px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--line);
  border-radius:999px;
  z-index:2;
}

.carousel-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:rgba(16,32,64,.25);
  border:none;
  padding:0;
  cursor:pointer;
}

.carousel-dot.active{
  background:var(--accent);
}

.faq details{
  padding:10px 0;
  border-top:1px solid var(--line);
}

.faq details:first-of-type{
  border-top:0;
}

.faq summary{
  cursor:pointer;
  font-weight:700;
  color:var(--text);
  list-style:none;
}

.faq summary::-webkit-details-marker{
  display:none;
}

/* actions */
.cta{
  margin-top:14px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 14px;
  border-radius:10px;
  background:var(--accent);
  color:#f7f9ff;
  font-weight:700;
  text-decoration:none;
  border:1px solid transparent;
}

.btn:hover{
  text-decoration:none;
  filter:brightness(1.05);
}

.btn.ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--line);
}

/* contact */
.contact{
  margin-top:22px;
}

/* footer */
.footer{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  color:var(--muted);
  font-size:14px;
  margin-top:16px;
  padding-bottom:26px;
}

/* a11y */
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  border:0;
}

@keyframes fadeUp{
  from{ opacity:0; transform:translateY(8px); }
  to{ opacity:1; transform:translateY(0); }
}

@media (max-width: 720px){
  .header{
    flex-direction:column;
    align-items:flex-start;
  }

  .hero h1{
    font-size:32px;
  }

  .cta{
    flex-direction:column;
    align-items:flex-start;
  }

  .btn{
    width:100%;
  }

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

  .carousel-slide img{
    height:240px;
  }

  /* dropdown already visible on desktop */
}