:root{
  --bg1: #031117; /* deep dark */
  --bg2: #062826; /* greenish */
  --accent: #78bdb0; /* teal light */
  --accent-2: #2a8b7b;
  --muted: #9aa8a4;
  --card: rgba(255,255,255,0.03);
  --glass: rgba(255,255,255,0.03);
  --radius: 14px;
  font-family: "Montserrat", sans-serif;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:#e6f0ef;
  background: linear-gradient(180deg,var(--bg1), var(--bg2));
  -webkit-font-smoothing:antialiased;
  line-height:1.4;
}

/* header */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:linear-gradient(90deg, rgba(3,17,23,0.35), rgba(6,40,38,0.25));
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  padding:14px 28px;
  max-width:1200px;margin:0 auto;
}
.logo{
  font-weight:900;
  letter-spacing:2px;
  font-size:20px;
}
.top-nav{display:flex;gap:20px;margin-left:24px}
.top-nav a{color:var(--muted);text-decoration:none;font-weight:500}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.hamburger{background:none;border:0;color:var(--muted);font-size:20px;cursor:pointer}
.cart-btn{background:transparent;border:0;color:var(--muted);cursor:pointer;position:relative}
#cart-count{background:var(--accent);color:#042; padding:2px 6px;border-radius:10px;margin-left:6px;font-weight:700}

/* hero */
.hero{padding-top:84px;padding-bottom:40px}
.hero-slider{max-width:1200px;margin:32px auto;position:relative;border-radius:18px;overflow:hidden;box-shadow:0 12px 40px rgba(2,8,8,0.7)}
.slide{position:relative;display:none;min-height:420px}
.slide.active{display:block}
.slide img{width:100%;height:420px;object-fit:cover;filter:brightness(0.6) saturate(1.05)}
.slide-content{position:absolute;left:48px;top:40px;color:#fff;max-width:520px}
.slide-content h1{margin:0;font-size:40px;line-height:1;letter-spacing:1px}
.slide-content h1 span{font-weight:500;display:block;font-size:16px;color:var(--muted);margin-top:8px}
.price{margin-top:14px;color:var(--muted)}
.ctas{margin-top:18px;display:flex;gap:12px}
.btn{padding:10px 16px;border-radius:10px;border:0;cursor:pointer;font-weight:700}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#042}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.06);color:var(--muted)}

/* slide nav */
.slide-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,0.03);border:0;color:#d7efe9;padding:10px 12px;border-radius:8px;cursor:pointer}
.prev{left:16px}
.next{right:16px}

/* products */
.container{max-width:1200px;margin:0 auto;padding:30px 22px}
.section-title{font-weight:800;margin-bottom:18px}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);padding:16px;border-radius:12px;backdrop-filter: blur(6px);display:flex;flex-direction:column;gap:12px}
.card img{width:100%;height:180px;object-fit:cover;border-radius:8px;box-shadow:inset 0 -25px 40px rgba(0,0,0,0.35)}
.card h4{margin:0}
.card .meta{display:flex;justify-content:space-between;align-items:center}
.card .price{font-weight:700}

/* about */
.about{padding:36px 0}
.about-grid{display:grid;grid-template-columns:1fr 380px;gap:28px;align-items:center}
.about-text p{color:var(--muted)}
.about-image img{width:100%;height:220px;object-fit:cover;border-radius:12px}

/* footer */
.site-footer{padding:24px 22px;border-top:1px solid rgba(255,255,255,0.03);margin-top:28px}
.footer-grid{display:flex;justify-content:space-between;gap:18px}
.copyright{text-align:center;padding:10px;color:var(--muted)}

/* cart panel */
.cart-panel{
  position:fixed;right:18px;top:86px;width:360px;height:70vh;background:linear-gradient(180deg, rgba(4,20,20,0.92), rgba(8,35,33,0.95));
  border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,0.6);transform:translateX(420px);transition:transform .25s ease;z-index:80;padding:12px;display:flex;flex-direction:column;
}
.cart-panel.open{transform:translateX(0)}
.cart-header{display:flex;justify-content:space-between;align-items:center;padding:8px 6px;border-bottom:1px solid rgba(255,255,255,0.03)}
.cart-items{overflow:auto;padding:10px 6px;flex:1}
.cart-item{display:flex;gap:10px;align-items:center;padding:8px 4px;border-radius:8px}
.cart-item img{width:64px;height:48px;object-fit:cover;border-radius:6px}
.cart-footer{border-top:1px solid rgba(255,255,255,0.03);padding:10px;display:flex;flex-direction:column;gap:8px}

/* modal */
.modal{position:fixed;inset:0;background:rgba(2,6,6,0.6);display:flex;align-items:center;justify-content:center;z-index:90}
.modal.hidden{display:none}
.modal-inner{background:linear-gradient(180deg, rgba(8,20,20,0.98), rgba(3,15,15,0.98));padding:18px;border-radius:12px;max-width:760px;width:95%}
.modal-close{float:right;background:none;border:0;color:var(--muted);font-size:18px;cursor:pointer}

/* responsive */
@media (max-width:900px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .slide-content{left:20px;top:30px}
}
@media (max-width:600px){
  .header-inner{padding:12px}
  .slide img{height:360px}
  .product-grid{grid-template-columns:1fr}
  .site-header{position:sticky}
}
/* dashboard & charts fixes (prevenir auto-resize scroll) */
.charts-grid .panel { min-height:320px; max-height:320px; overflow:hidden; }
.panel canvas { max-height:280px !important; }

/* checkout/payment form styles (modal) */
.checkout-grid { display:flex; gap:18px; align-items:flex-start; }
.checkout-form { flex:1; background:transparent; }
.checkout-preview { width:320px; }

/* Card visual */
.card-visual { width:320px; height:200px; border-radius:12px; perspective:1000px; }
.card-front, .card-back {
  width:100%; height:100%; border-radius:12px; padding:18px; color:#fff; box-sizing:border-box;
  backface-visibility:hidden; position:relative;
}
.card-front { background: linear-gradient(90deg,#0b7e73,#0a5f58); display:flex; flex-direction:column; justify-content:space-between; }
.card-back { background:#0a5f58; transform:rotateY(180deg); }
.card-number{font-size:18px;letter-spacing:2px}
.card-name{font-size:13px;text-transform:uppercase}
.card-exp{font-size:12px}
.chip{width:36px;height:24px;background:rgba(255,255,255,0.18);border-radius:4px}
.cvc-preview{position:absolute;right:18px;top:18px;font-weight:700}
:root{
  --bg1: #031117; /* deep dark */
  --bg2: #062826; /* greenish */
  --accent: #78bdb0; /* teal light */
  --accent-2: #2a8b7b;
  --muted: #9aa8a4;
  --card: rgba(255,255,255,0.03);
  --glass: rgba(255,255,255,0.03);
  --radius: 14px;
  font-family: "Montserrat", sans-serif;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:#e6f0ef;
  background: linear-gradient(180deg,var(--bg1), var(--bg2));
  -webkit-font-smoothing:antialiased;
  line-height:1.4;
}

/* header */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:linear-gradient(90deg, rgba(3,17,23,0.35), rgba(6,40,38,0.25));
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  padding:14px 28px;
  max-width:1200px;margin:0 auto;
}
.logo{
  font-weight:900;
  letter-spacing:2px;
  font-size:20px;
  color: #e6f0ef;
  text-decoration: none;
}
.top-nav{display:flex;gap:20px;margin-left:24px}
.top-nav a{color:var(--muted);text-decoration:none;font-weight:500}
.top-nav a:hover, .top-nav a:focus{ color: #ffffff; outline: none; text-decoration: underline; }
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.hamburger{background:none;border:0;color:var(--muted);font-size:20px;cursor:pointer}
.cart-btn{background:transparent;border:0;color:var(--muted);cursor:pointer;position:relative}
#cart-count{background:var(--accent);color:#042; padding:2px 6px;border-radius:10px;margin-left:6px;font-weight:700; font-size:12px;}

/* hero */
.hero{padding-top:84px;padding-bottom:40px}
.hero-slider{max-width:1200px;margin:32px auto;position:relative;border-radius:18px;overflow:hidden;box-shadow:0 12px 40px rgba(2,8,8,0.7)}
.slide{position:relative;display:none;min-height:420px}
.slide.active{display:block}
.slide img{width:100%;height:420px;object-fit:cover;filter:brightness(0.6) saturate(1.05)}
.slide-content{position:absolute;left:48px;top:40px;color:#fff;max-width:520px}
.slide-content h1{margin:0;font-size:40px;line-height:1;letter-spacing:1px}
.slide-content h1 span{font-weight:500;display:block;font-size:16px;color:var(--muted);margin-top:8px}
.price{margin-top:14px;color:var(--muted)}
.ctas{margin-top:18px;display:flex;gap:12px}
.btn{padding:10px 16px;border-radius:10px;border:0;cursor:pointer;font-weight:700}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#042}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.06);color:var(--muted)}

/* slide nav */
.slide-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,0.03);border:0;color:#d7efe9;padding:10px 12px;border-radius:8px;cursor:pointer}
.prev{left:16px}
.next{right:16px}

/* products */
.container{max-width:1200px;margin:0 auto;padding:30px 22px}
.section-title{font-weight:800;margin-bottom:18px}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);padding:16px;border-radius:12px;backdrop-filter: blur(6px);display:flex;flex-direction:column;gap:12px}
.card img{width:100%;height:180px;object-fit:cover;border-radius:8px;box-shadow:inset 0 -25px 40px rgba(0,0,0,0.35)}
.card h4{margin:0}
.card .meta{display:flex;justify-content:space-between;align-items:center}
.card .price{font-weight:700}

/* about */
.about{padding:36px 0}
.about-grid{display:grid;grid-template-columns:1fr 380px;gap:28px;align-items:center}
.about-text p{color:var(--muted)}
.about-image img{width:100%;height:220px;object-fit:cover;border-radius:12px}

/* footer */
.site-footer{padding:24px 22px;border-top:1px solid rgba(255,255,255,0.03);margin-top:28px}
.footer-grid{display:flex;justify-content:space-between;gap:18px}
.copyright{text-align:center;padding:10px;color:var(--muted)}

/* cart panel */
.cart-panel{
  position:fixed;right:18px;top:86px;width:360px;height:70vh;background:linear-gradient(180deg, rgba(4,20,20,0.92), rgba(8,35,33,0.95));
  border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,0.6);transform:translateX(420px);transition:transform .25s ease;z-index:80;padding:12px;display:flex;flex-direction:column;
}
.cart-panel.open{transform:translateX(0)}
.cart-header{display:flex;justify-content:space-between;align-items:center;padding:8px 6px;border-bottom:1px solid rgba(255,255,255,0.03)}
.cart-items{overflow:auto;padding:10px 6px;flex:1}
.cart-item{display:flex;gap:10px;align-items:center;padding:8px 4px;border-radius:8px}
.cart-item img{width:64px;height:48px;object-fit:cover;border-radius:6px}
.cart-footer{border-top:1px solid rgba(255,255,255,0.03);padding:10px;display:flex;flex-direction:column;gap:8px}

/* modal */
.modal{position:fixed;inset:0;background:rgba(2,6,6,0.6);display:flex;align-items:center;justify-content:center;z-index:90}
.modal.hidden{display:none}
.modal-inner{background:linear-gradient(180deg, rgba(8,20,20,0.98), rgba(3,15,15,0.98));padding:18px;border-radius:12px;max-width:760px;width:95%}
.modal-close{float:right;background:none;border:0;color:var(--muted);font-size:18px;cursor:pointer}

/* responsive */
@media (max-width:900px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .slide-content{left:20px;top:30px}
}
@media (max-width:600px){
  .header-inner{padding:12px}
  .slide img{height:360px}
  .product-grid{grid-template-columns:1fr}
  .site-header{position:sticky}
}
/* dashboard & charts fixes (prevenir auto-resize scroll) */
.charts-grid .panel { min-height:320px; max-height:320px; overflow:hidden; }
.panel canvas { max-height:280px !important; }

/* checkout/payment form styles (modal) */
.checkout-grid { display:flex; gap:18px; align-items:flex-start; }
.checkout-form { flex:1; background:transparent; }
.checkout-preview { width:320px; }

/* Card visual */
.card-visual { width:320px; height:200px; border-radius:12px; perspective:1000px; }
.card-front, .card-back {
  width:100%; height:100%; border-radius:12px; padding:18px; color:#fff; box-sizing:border-box;
  backface-visibility:hidden; position:relative;
}
.card-front { background: linear-gradient(90deg,#0b7e73,#0a5f58); display:flex; flex-direction:column; justify-content:space-between; }
.card-back { background:#0a5f58; transform:rotateY(180deg); }
.card-number{font-size:18px;letter-spacing:2px}
.card-name{font-size:13px;text-transform:uppercase}
.card-exp{font-size:12px}
.chip{width:36px;height:24px;background:rgba(255,255,255,0.18);border-radius:4px}
.cvc-preview{position:absolute;right:18px;top:18px;font-weight:700}