:root{
  --primary:#0b1f2a;
  --secondary:#1e293b;
  --accent:#f59e0b;
  --accent-soft:#fde68a;
  --bg:#f8fafc;
  --card:#ffffff;
  --muted:#64748b;
  --radius:1.3rem;
}

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

body{
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--primary);
  line-height:1.6;
  overflow-x:hidden;
}

/* HEADER */
header{
  position:sticky;
  top:0;
  z-index:50;
  padding:1.3rem 2rem;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px);
  display:flex;
  justify-content:space-between;
  align-items:center;
  box-shadow:0 10px 30px rgba(0,0,0,.05);
}

.logo img {
      height:80px;
}
.logo{
  display:flex;
  align-items:center;
  gap:.6rem;
  height:80px;
  font-size:1.4rem;
  font-weight:700;
}

.logo svg{
  width:36px;
  height:36px;
}

nav a{
  margin-left:2rem;
  text-decoration:none;
  color:var(--secondary);
  font-weight:500;
  position:relative;
}

nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-6px;
  width:0;
  height:2px;
  background:var(--accent);
  transition:.3s;
}

nav a:hover::after{width:100%}

/* SECTIONS */
section{
  padding:5rem 2rem;
  max-width:1200px;
  margin:auto;
}

/* HERO */
.hero{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:4rem;
  align-items:center;
}

.hero h1{
  font-size:3rem;
  line-height:1.05;
  margin-bottom:1.5rem;
}

.hero h1 span{
  background:linear-gradient(135deg,var(--accent),#f97316);
  -webkit-background-clip:text;
  color:transparent;
}

.hero p{
  font-size:1.1rem;
  color:var(--muted);
  max-width:520px;
  margin-bottom:2.2rem;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  background:linear-gradient(135deg,var(--accent),#fbbf24);
  color:#fff;
  padding:1rem 1.8rem;
  border-radius:var(--radius);
  font-weight:600;
  text-decoration:none;
  transition:.35s ease;
  box-shadow:0 15px 35px rgba(245,158,11,.35);
}

.btn:hover{
  transform:translateY(-3px) scale(1.03);
  box-shadow:0 25px 55px rgba(245,158,11,.45);
}

.hero img{
  width:100%;
  border-radius:2.5rem;
  box-shadow:0 50px 90px rgba(0,0,0,.2);
  animation:float 6s ease-in-out infinite;
}

@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-14px)}
}

/* GRID */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:2.2rem;
}

.card{
  background:var(--card);
  padding:2.2rem;
  border-radius:var(--radius);
  box-shadow:0 25px 50px rgba(0,0,0,.06);
  transition:.4s ease;
  position:relative;
}

.card::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:linear-gradient(135deg,transparent,var(--accent-soft));
  opacity:0;
  transition:.4s;
}

.card:hover::before{opacity:.25}

.card:hover{
  transform:translateY(-10px);
  box-shadow:0 50px 90px rgba(15,23,42,.2);
}

.card svg{
  width:44px;
  height:44px;
  stroke:var(--accent);
  margin-bottom:1rem;
}

.card h3{
  margin-bottom:.6rem;
}

.card p{
  color:var(--muted);
  font-size:.95rem;
}

/* FADE ANIMATION */
.fade{
  opacity:0;
  transform:translateY(50px);
  transition:.9s ease;
}

.fade.visible{
  opacity:1;
  transform:none;
}

/* FOOTER */
.footer {
  background: #0f0f0f;
  color: #ffffff;
  padding: 4rem 2rem 2rem;
  margin-top: 5rem;
}

.footer-container {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 3rem;
}

.footer h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer h4 {
  font-size: 0.9rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #aaa;
}

.footer p {
  color: #bbb;
  line-height: 1.6;
  font-size: 0.95rem;
}

.footer a {
  display: block;
  color: #bbb;
  text-decoration: none;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  transition: 0.3s ease;
}

.footer a:hover {
  color: #ffffff;
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid #222;
  margin-top: 3rem;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: #777;
}
/* RESPONSIVE */
@media(max-width:900px){
  .hero{grid-template-columns:1fr}
  nav{display:none}
}


.btn-volver{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  margin:1rem 0;
  padding:.6rem 1rem;
  border-radius:8px;
  background:var(--accent);
  color:#fff;
  text-decoration:none;
  font-weight:600;
}

@media (max-width:768px){
  .btn-volver{
    width:100%;
    justify-content:center;
  }
}


.page-header{
  margin-bottom:3rem;
  max-width:700px;
}

.page-header .lead{
  font-size:1.1rem;
  opacity:.85;
}

.info-block{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:1rem 1.5rem;
  margin-bottom:2.5rem;
  align-items:flex-start;
}

.info-block h2{
  margin:0;
}

.info-block p{
  grid-column:2;
  line-height:1.7;
}

@media(max-width:768px){
  .info-block{
    grid-template-columns:1fr;
  }
  .info-block p{
    grid-column:1;
  }
}


.page-section{
  max-width:1200px;
  margin:0 auto;
  padding:4rem 2rem 2rem;
}

.page-title{
  font-size:2.6rem;
  margin-bottom:3rem;
  text-align:center;
}

.info-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:2.5rem;
}

.info-card{
  background:var(--card);
  border-radius:var(--radius);
  padding:2.5rem 2rem;
  text-align:center;
  box-shadow:0 25px 50px rgba(0,0,0,.07);
  transition:.3s ease;
}

.info-card:hover{
  transform:translateY(-8px);
  box-shadow:0 45px 80px rgba(15,23,42,.18);
}

.info-card svg{
  width:44px;
  height:44px;
  margin-bottom:1.2rem;
}

.info-card h3{
  margin-bottom:.8rem;
}

.info-card p{
  color:var(--muted);
  font-size:.95rem;
  line-height:1.6;
}

.btn-back{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  margin:2.5rem auto 0;
  padding:.45rem .9rem;
  font-size:.85rem;
  border-radius:999px;
  background:transparent;
  border:1px solid rgba(0,0,0,.1);
  color:var(--primary);
  text-decoration:none;
  transition:.25s;
}

.btn-back:hover{
  background:var(--accent);
  color:white;
  border-color:var(--accent);
}


/* MOBILE NAV */
.mobile-nav{
  display:none;
}

@media(max-width:768px){
  .mobile-nav{
    position:fixed;
    bottom:0;
    left:0;
    right:0;
    padding-top: 15px;
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(10px);
    display:flex;
    justify-content:space-around;
    padding:.6rem 0;
    box-shadow:0 -10px 30px rgba(0,0,0,.08);
    z-index:100;
  }

  .mobile-nav a{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:.2rem;
    padding-top: 15px;
    font-size:.7rem;
    color:var(--primary);
    text-decoration:none;
  }

  .mobile-nav svg{
    width:22px;
    height:22px;
    stroke:var(--accent);
  }
}


/* =========================
   MOBILE NAV FIX REAL
========================= */

/* Reserve space so footer is never covered */
@media(max-width:768px){
  body{
    
  }
}

/* Mobile nav stays above footer */
.mobile-nav{
  position:fixed;
  bottom:0;
  left:0;
  width:100%;
  padding-top: 15px;
  z-index:50;
  background:#fff;
  border-top:1px solid rgba(0,0,0,.08);
  transition:transform .35s ease, opacity .35s ease;
}

/* Hide when footer reached */
.mobile-nav.hide{
  transform:translateY(120%);
  opacity:0;
}

/* CTA emphasis */
.mobile-nav a.cart{
  background:var(--accent);
  color:#111;
  border-radius:1rem;
  padding:.45rem .6rem;
  box-shadow:0 10px 25px rgba(245,158,11,.45);
  animation:pulse 1.8s infinite;
}

@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(245,158,11,.5)}
  70%{box-shadow:0 0 0 16px rgba(245,158,11,0)}
  100%{box-shadow:0 0 0 0 rgba(245,158,11,0)}
}