:root{
  --bg:#f6fcff;
  --bg-deep:#dff4ff;
  --panel:rgba(255,255,255,0.9);
  --panel-strong:rgba(255,255,255,0.97);
  --line:rgba(28,106,143,0.2);
  --text:#0f2e43;
  --muted:#45667c;
  --accent:#1bcdb3;
  --accent-2:#46a9ff;
  --accent-3:#ffc76b;
  --shadow:0 24px 70px rgba(46,126,162,0.16);
  --radius:22px;
  --radius-sm:14px;
  --max:1180px;
}

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

html{scroll-behavior:smooth}

body{
  position:relative;
  overflow-x:hidden;
  font-family:'Manrope',sans-serif;
  color:var(--text);
  line-height:1.55;
  background:
    radial-gradient(circle at top left, rgba(70,169,255,0.18), transparent 30%),
    radial-gradient(circle at 85% 12%, rgba(27,205,179,0.2), transparent 26%),
    radial-gradient(circle at 50% 100%, rgba(255,199,107,0.18), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,0.74), rgba(230,247,255,0.92)),
    url("fondo_1.jpg") center/cover fixed no-repeat;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    linear-gradient(120deg, rgba(255,255,255,0.34) 0%, rgba(226,245,255,0.88) 100%),
    repeating-linear-gradient(90deg, rgba(19,51,74,0.03) 0 1px, transparent 1px 120px);
  z-index:-3;
}

body::after{
  content:"";
  position:fixed;
  inset:-10%;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,199,107,0.14), transparent 18%),
    radial-gradient(circle at 80% 30%, rgba(70,169,255,0.16), transparent 22%),
    radial-gradient(circle at 50% 80%, rgba(27,205,179,0.14), transparent 22%);
  filter:blur(24px);
  z-index:-2;
}

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

.container{
  width:min(calc(100% - 32px), var(--max));
  margin:0 auto;
}

.water-light{
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 25% 18%, rgba(255,255,255,0.3), transparent 24%),
    radial-gradient(circle at 74% 32%, rgba(255,214,136,0.14), transparent 20%);
  mix-blend-mode:screen;
  animation:floatGlow 14s ease-in-out infinite;
  z-index:-1;
}

.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter:blur(20px);
  background:rgba(247,252,255,0.9);
  border-bottom:1px solid rgba(44,141,183,0.12);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:86px;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
}

.brand-logo{
  width:54px;
  height:54px;
  object-fit:contain;
  filter:drop-shadow(0 10px 22px rgba(102,184,255,0.25));
}

.brand-text strong{
  display:block;
  font-size:1rem;
  font-family:'Space Grotesk',sans-serif;
  letter-spacing:.04em;
}

.brand-text small{
  display:block;
  color:var(--muted);
  font-size:.78rem;
  text-transform:uppercase;
  letter-spacing:.18em;
}

.main-nav{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px;
  border:1px solid rgba(44,141,183,0.12);
  border-radius:999px;
  background:rgba(255,255,255,0.88);
}

.main-nav a{
  text-decoration:none;
  color:#305167;
  font-weight:600;
  font-size:.95rem;
  padding:10px 14px;
  border-radius:999px;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}

.main-nav a:hover{
  color:var(--text);
  background:rgba(70,169,255,0.12);
  transform:translateY(-1px);
}

.nav-cta{
  color:#ffffff;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
}

.mobile-menu-btn{
  display:none;
  border:1px solid rgba(44,141,183,0.16);
  background:rgba(255,255,255,0.72);
  color:var(--text);
  width:48px;
  height:48px;
  border-radius:50%;
  font-size:22px;
  cursor:pointer;
}

.mobile-menu{
  display:grid;
  gap:10px;
  padding:0 0 18px;
}

.mobile-menu[hidden]{
  display:none;
}

.mobile-menu a{
  text-decoration:none;
  font-weight:600;
  color:var(--text);
  background:rgba(255,255,255,0.92);
  border:1px solid rgba(44,141,183,0.12);
  border-radius:16px;
  padding:14px 16px;
}

.hero{
  position:relative;
  padding:56px 0 24px;
}

.hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(320px,.88fr);
  gap:28px;
  align-items:stretch;
}

.hero-copy,
.hero-card,
.benefit,
.model-card,
blockquote,
.contact-form,
.site-footer{
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.hero-copy{
  position:relative;
  padding:40px;
  border-radius:32px;
  overflow:hidden;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.95), rgba(242,251,255,0.94));
}

.hero-copy::before{
  content:"FIBRA PREMIUM";
  display:inline-block;
  margin-bottom:18px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(27,205,179,0.12);
  color:#149b86;
  font-size:.76rem;
  font-weight:700;
  letter-spacing:.18em;
}

.hero-copy h1{
  max-width:10ch;
  font-family:'Space Grotesk',sans-serif;
  font-size:clamp(2.9rem, 5.3vw, 5.6rem);
  line-height:.96;
  letter-spacing:-.05em;
  margin-bottom:18px;
  color:#0b2b40;
  text-shadow:0 1px 0 rgba(255,255,255,0.35);
}

.hero-copy p{
  max-width:560px;
  color:#35566d;
  font-size:1.06rem;
  font-weight:600;
}

.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin:28px 0 22px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:0 20px;
  border-radius:999px;
  text-decoration:none;
  font-weight:700;
  letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}

.btn:hover{
  transform:translateY(-2px);
}

.btn-primary{
  color:#ffffff;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow:0 18px 40px rgba(70,169,255,0.2);
}

.btn-outline{
  color:var(--text);
  border:1px solid rgba(28,106,143,0.18);
  background:rgba(255,255,255,0.9);
}

.hero-features{
  list-style:none;
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:12px;
}

.hero-features li{
  padding:14px 16px;
  border-radius:18px;
  background:rgba(255,255,255,0.88);
  border:1px solid rgba(44,141,183,0.1);
  color:#214a65;
  font-weight:600;
}

.hero-card{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  padding:18px;
  border-radius:30px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(237,249,255,0.95));
}

.hero-card img{
  width:100%;
  min-height:360px;
  object-fit:cover;
  border-radius:24px;
}

.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-top:14px;
}

.hero-stats div{
  padding:14px 12px;
  border-radius:18px;
  background:rgba(255,255,255,0.92);
  border:1px solid rgba(44,141,183,0.1);
  text-align:center;
}

.hero-stats strong{
  display:block;
  font-size:1.08rem;
}

.hero-stats span{
  display:block;
  color:#47687e;
  font-size:.88rem;
  margin-top:4px;
}

.benefits{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:18px;
  padding:26px 0 14px;
}

.benefit{
  padding:28px 24px;
  border-radius:26px;
  background:linear-gradient(180deg, rgba(255,255,255,0.94), rgba(242,251,255,0.95));
}

.benefit h3{
  margin-bottom:10px;
  font-size:1.18rem;
}

.benefit p{
  color:#47687e;
  font-weight:500;
}

.installation{
  padding:36px 0 8px;
}

.installation-panel{
  padding:30px;
  border-radius:30px;
  border:1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255,199,107,0.18), transparent 36%),
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(240,251,255,0.96));
  box-shadow:var(--shadow);
}

.installation-kicker{
  margin-bottom:10px;
  color:#128674;
  font-size:.8rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.18em;
}

.installation-panel .section-title{
  max-width:14ch;
  margin-bottom:22px;
}

.installation-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:14px;
}

.installation-item{
  padding:16px 18px;
  border-radius:18px;
  background:rgba(255,255,255,0.94);
  border:1px solid rgba(44,141,183,0.1);
  color:#1d4964;
  font-weight:700;
}

.models,
.gallery,
.testimonials,
.contact{
  padding:54px 0 10px;
}

.section-title{
  font-family:'Space Grotesk',sans-serif;
  font-size:clamp(1.9rem, 3vw, 3rem);
  letter-spacing:-.04em;
  margin-bottom:22px;
  color:#0e2e43;
}

.section-title::after{
  content:"";
  display:block;
  width:82px;
  height:4px;
  margin-top:12px;
  border-radius:999px;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
}

.models-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:18px;
}

.model-card{
  overflow:hidden;
  border-radius:26px;
  background:linear-gradient(180deg, rgba(255,255,255,0.95), rgba(240,251,255,0.95));
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}

.model-card:hover{
  transform:translateY(-8px);
  border-color:rgba(27,205,179,0.28);
  box-shadow:0 30px 80px rgba(46,126,162,0.18);
}

.model-card img{
  width:100%;
  height:220px;
  object-fit:cover;
}

.card-body{
  padding:20px;
}

.card-body h3{
  font-size:1.28rem;
  margin-bottom:8px;
}

.muted{
  color:#47687e;
  font-weight:500;
}

.card-actions{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:18px;
}

.btn-sm{
  border:none;
  min-height:42px;
  padding:0 14px;
  border-radius:999px;
  color:#ffffff;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight:700;
  cursor:pointer;
}

.link{
  color:#0f7b99;
  font-weight:600;
  text-decoration:none;
}

.gallery-wrap{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:14px;
  align-items:center;
}

.g-track{
  display:flex;
  gap:14px;
  transition:transform .45s ease;
}

.g-item{
  flex:0 0 calc(33.333% - 10px);
  max-width:calc(33.333% - 10px);
}

.g-item img{
  width:100%;
  height:260px;
  object-fit:cover;
  border-radius:24px;
  cursor:pointer;
  border:1px solid rgba(44,141,183,0.12);
  box-shadow:0 18px 44px rgba(46,126,162,0.16);
  transition:transform .24s ease,border-color .24s ease;
}

.g-item img:hover{
  transform:translateY(-4px) scale(1.01);
  border-color:rgba(120,240,215,0.4);
}

.g-arrow{
  width:52px;
  height:52px;
  border:none;
  border-radius:50%;
  color:var(--text);
  background:rgba(255,255,255,0.78);
  border:1px solid rgba(44,141,183,0.12);
  cursor:pointer;
  font-size:1.5rem;
}

.testi-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}

blockquote{
  padding:28px;
  border-radius:26px;
  background:linear-gradient(180deg, rgba(255,255,255,0.95), rgba(242,251,255,0.95));
}

blockquote p{
  font-size:1.08rem;
}

blockquote cite{
  display:block;
  margin-top:14px;
  color:#127995;
  font-style:normal;
  font-weight:700;
}

.contact-form{
  max-width:900px;
  margin:0 auto;
  padding:28px;
  border-radius:30px;
  background:linear-gradient(180deg, rgba(255,255,255,0.97), rgba(241,251,255,0.96));
}

.form-row{
  display:flex;
  gap:14px;
}

.form-row + textarea,
.form-row + .form-row,
textarea + .form-row{
  margin-top:14px;
}

.form-row input,
textarea{
  width:100%;
  border:none;
  outline:none;
  padding:16px 18px;
  border-radius:18px;
  background:rgba(255,255,255,0.98);
  border:1px solid rgba(44,141,183,0.12);
  color:var(--text);
  font:inherit;
}

.form-row input::placeholder,
textarea::placeholder{
  color:#678397;
}

.form-row input:focus,
textarea:focus{
  border-color:rgba(120,240,215,0.45);
  box-shadow:0 0 0 4px rgba(120,240,215,0.08);
}

.form-result{
  margin-top:12px;
  color:#127995;
  font-weight:600;
}

.site-footer{
  margin:64px 16px 24px;
  border-radius:28px;
  padding:24px 28px;
  background:linear-gradient(180deg, rgba(255,250,241,0.98), rgba(241,250,255,0.98));
}

.footer-inner{
  width:min(100%, var(--max));
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}

.footer-left{
  display:flex;
  align-items:center;
  gap:14px;
}

.footer-logo{
  width:48px;
  height:48px;
  object-fit:contain;
}

.footer-left p,
.copyright{
  color:var(--muted);
}

.float-ws{
  position:fixed;
  right:18px;
  bottom:18px;
  width:66px;
  height:66px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg, #2be28d, #11998e);
  box-shadow:0 18px 38px rgba(13,153,125,0.35);
  z-index:999;
}

.lightbox{
  display:none;
  position:fixed;
  inset:0;
  align-items:center;
  justify-content:center;
  background:rgba(2,7,13,0.92);
  backdrop-filter:blur(8px);
  z-index:9000;
}

.lightbox img{
  max-width:min(92vw, 1100px);
  max-height:84vh;
  border-radius:24px;
  border:1px solid rgba(255,255,255,0.1);
  box-shadow:0 28px 80px rgba(0,0,0,0.48);
}

.lb-close,
.lb-arrow{
  position:absolute;
  border:none;
  color:var(--text);
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.12);
  cursor:pointer;
}

.lb-close{
  top:18px;
  right:22px;
  width:52px;
  height:52px;
  border-radius:50%;
  font-size:1.9rem;
}

.lb-arrow{
  top:50%;
  transform:translateY(-50%);
  width:54px;
  height:54px;
  border-radius:50%;
  font-size:1.7rem;
}

#lightboxMainPrev,
#lightboxModelPrev{
  left:18px;
}

#lightboxMainNext,
#lightboxModelNext{
  right:18px;
}

@keyframes floatGlow{
  0%{transform:translate3d(0,0,0)}
  50%{transform:translate3d(18px, 24px, 0)}
  100%{transform:translate3d(0,0,0)}
}

@media (max-width:1024px){
  .hero-inner,
  .benefits,
  .installation-grid,
  .testi-grid{
    grid-template-columns:1fr;
  }

  .hero-copy h1{
    max-width:12ch;
  }

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

@media (max-width:820px){
  .main-nav{
    display:none;
  }

  .mobile-menu-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
  }

  .hero{
    padding-top:28px;
  }

  .hero-copy,
  .hero-card,
  .contact-form,
  .site-footer{
    border-radius:24px;
  }

  .hero-copy{
    padding:28px;
  }

  .hero-card img{
    min-height:280px;
  }

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

  .g-item{
    flex:0 0 calc(50% - 8px);
    max-width:calc(50% - 8px);
  }

  .footer-inner,
  .card-actions,
  .form-row{
    flex-direction:column;
    align-items:stretch;
  }
}

@media (max-width:560px){
  .container{
    width:min(calc(100% - 22px), var(--max));
  }

  .header-inner{
    min-height:74px;
  }

  .brand-text small{
    letter-spacing:.12em;
    font-size:.7rem;
  }

  .hero-copy h1{
    font-size:clamp(2.4rem, 12vw, 4rem);
  }

  .section-title{
    font-size:2rem;
  }

  .g-item{
    flex:0 0 100%;
    max-width:100%;
  }

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

  .g-arrow{
    display:none;
  }

  .site-footer{
    margin-left:10px;
    margin-right:10px;
    padding:22px 18px;
  }
}