:root{
  --navy:#0B3475;
  --deep-navy:#06245A;
  --blue:#0075FF;
  --sky:#8EC5FF;
  --orange:#FE951C;
  --soft-bg:#eef3f9;
}

body{
  font-family:'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(142,197,255,.28), transparent 34%),
    linear-gradient(135deg, #f8fbff 0%, var(--soft-bg) 45%, #ffffff 100%);
  padding-top:90px;
  color:var(--navy);
}

.product-detail-page{
  background:
    linear-gradient(90deg, rgba(142,197,255,.12) 1px, transparent 1px),
    linear-gradient(180deg, #ffffff 0%, #f4f9ff 100%);
  background-size:42px 42px, auto;
  min-height:calc(100vh - 90px);
}

.detail-shell{
  display:grid;
  grid-template-columns:minmax(340px, 1.15fr) minmax(320px, .85fr);
  gap:48px;
  padding:36px 0 48px;
  animation:detailEnter .7s ease both;
}

.detail-gallery{
  display:grid;
  grid-template-columns:96px 1fr;
  gap:18px;
  position:relative;
  align-self:start;
  padding:0;
  border:0;
  border-radius:0;
  background:transparent;
  box-shadow:none;
  overflow:visible;
}

.detail-gallery::after{
  content:"FALCONS";
  position:absolute;
  top:32px;
  left:34px;
  color:rgba(11,52,117,.18);
  font-size:13px;
  font-weight:900;
  letter-spacing:.32em;
  z-index:3;
}

.thumbs{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
  align-content:start;
  animation:thumbsEnter .7s ease both;
  position:relative;
  z-index:4;
  padding:0;
}

.thumbs img,
.main-product-img{
  width:100%;
  object-fit:cover;
  background:#f3f5f8;
}

.thumbs img{
  aspect-ratio:1;
  height:auto;
  border:0;
  border-radius:10px;
  cursor:pointer;
  filter:saturate(.88) brightness(.82);
  outline:2px solid var(--sky);
  outline-offset:0;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease, filter .25s ease;
}

.thumbs img:hover,
.thumbs img.active-thumb{
  outline:2px solid var(--orange);
  box-shadow:0 0 0 2px rgba(142,197,255,.75), 0 0 18px rgba(254,149,28,.45);
  filter:saturate(1.16) brightness(1);
  transform:translateX(4px);
}

.main-image-frame{
  position:relative;
  overflow:hidden;
  border-radius:10px;
  background:transparent;
  border:0;
  outline:3px solid transparent;
  box-shadow:0 0 0 2px var(--sky), 0 0 0 4px var(--blue), 0 0 0 6px var(--orange), 0 24px 54px rgba(6,36,90,.18);
  z-index:2;
  height:650px;
}

.main-image-frame::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(135deg, rgba(6,36,90,.42), transparent 42%, rgba(142,197,255,.24)),
    radial-gradient(circle at bottom left, rgba(254,149,28,.14), transparent 36%);
  pointer-events:none;
  z-index:1;
}

.main-image-frame::after{
  content:"FW";
  position:absolute;
  right:24px;
  bottom:16px;
  color:rgba(255,255,255,.16);
  font-size:80px;
  font-weight:900;
  letter-spacing:.02em;
  line-height:1;
  z-index:2;
}

.main-product-img{
  height:650px;
  display:block;
  object-fit:cover;
  transition:opacity .18s ease, transform .4s ease, filter .4s ease;
  animation:imageReveal .65s ease both;
  filter:contrast(1.04) saturate(.9);
}

.main-product-img.image-changing{
  opacity:.25;
  transform:scale(.985);
  filter:blur(4px);
}

.detail-info{
  position:relative;
  background:rgba(255,255,255,.86);
  border:1px solid rgba(142,197,255,.32);
  border-radius:8px;
  padding:30px;
  box-shadow:0 18px 44px rgba(6,36,90,.12);
  overflow:hidden;
  animation:infoEnter .7s .08s ease both;
}

.detail-info::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:5px;
  background:linear-gradient(90deg, var(--sky), var(--blue), var(--orange));
}

.detail-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
}

.rating{
  display:flex;
  align-items:center;
  gap:2px;
  color:var(--orange);
  font-size:18px;
  line-height:1;
}

.rating span{
  color:var(--navy);
  font-size:13px;
  margin-left:4px;
}

.product-badge{
  background:var(--navy);
  color:#fff;
  font-size:13px;
  font-weight:800;
  letter-spacing:.04em;
  line-height:1;
  padding:7px 10px;
  box-shadow:0 10px 24px rgba(1,13,53,.22);
}

.template-label{
  color:var(--blue);
  font-size:12px;
  font-weight:900;
  letter-spacing:.16em;
  text-transform:uppercase;
  margin:14px 0 8px;
}

.detail-info h1{
  font-size:48px;
  font-weight:900;
  line-height:1.05;
  margin:0 0 18px;
  color:var(--navy);
}

.detail-price{
  font-size:30px;
  color:var(--blue);
  line-height:1;
  margin:0 0 8px;
}

.tax-note{
  color:#26324f;
  font-size:16px;
  margin-bottom:36px;
}

.tax-note a{
  color:var(--blue);
  text-decoration:underline;
  text-underline-offset:3px;
}

.category-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  border-top:1px solid rgba(1,13,53,.16);
  padding-top:30px;
  margin-bottom:24px;
}

.category-tab{
  min-height:52px;
  border:1px solid rgba(1,13,53,.18);
  border-radius:999px;
  background:#fff;
  color:#1d1d1d;
  padding:0 22px;
  font-size:16px;
  font-weight:900;
  box-shadow:0 8px 18px rgba(6,36,90,.06);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease, color .22s ease;
}

.category-tab:hover{
  transform:translateY(-2px);
  border-color:var(--sky);
  box-shadow:0 12px 24px rgba(105,184,255,.16);
}

.category-tab.active{
  border-color:var(--blue);
  background:var(--blue);
  color:#fff;
  box-shadow:0 14px 28px rgba(0,117,255,.26);
}

.stock-status{
  display:flex;
  align-items:center;
  gap:7px;
  color:#007b20;
  font-weight:800;
  margin:26px 0 18px;
}

.stock-status span{
  width:8px;
  height:8px;
  border-radius:50%;
  background:#007b20;
}

.quantity-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  margin:0 0 18px;
}

.quantity-row label{
  font-size:18px;
  font-weight:800;
  color:var(--navy);
}

.quantity-stepper{
  display:grid;
  grid-template-columns:46px 70px 46px;
  min-height:46px;
  border:1px solid rgba(142,197,255,.55);
  border-radius:14px;
  overflow:hidden;
  background:#f8fcff;
  box-shadow:0 10px 24px rgba(6,36,90,.08);
}

.qty-btn,
.quantity-stepper input{
  border:0;
  background:transparent;
  color:var(--navy);
  font-weight:900;
  text-align:center;
}

.qty-btn{
  font-size:22px;
  transition:background .2s ease, color .2s ease;
}

.qty-btn:hover{
  background:var(--sky);
  color:#fff;
}

.quantity-stepper input{
  border-left:1px solid rgba(142,197,255,.45);
  border-right:1px solid rgba(142,197,255,.45);
  font-size:18px;
  outline:none;
}

.quantity-stepper input::-webkit-outer-spin-button,
.quantity-stepper input::-webkit-inner-spin-button{
  -webkit-appearance:none;
  margin:0;
}

.purchase-actions{
  display:grid;
  grid-template-columns:repeat(2, minmax(180px, 260px));
  justify-content:center;
  gap:12px;
  margin-bottom:20px;
}

.cart-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:62px;
  border:0;
  border-radius:999px;
  background:linear-gradient(90deg, #1477ff 0%, #16c7d9 100%);
  color:#fff;
  text-decoration:none;
  font-weight:800;
  letter-spacing:.12em;
  box-shadow:0 14px 28px rgba(20,119,255,.22);
  cursor:pointer;
  transition:transform .25s ease, box-shadow .25s ease, filter .25s ease;
}

.cart-btn:hover{
  color:#fff;
  transform:translateY(-3px);
  box-shadow:0 18px 34px rgba(20,119,255,.3);
  filter:saturate(1.05);
}

.cart-btn i{
  font-size:18px;
}

.cart-action-icon{
  width:34px;
  height:34px;
  object-fit:contain;
  flex:0 0 34px;
  filter:drop-shadow(0 5px 8px rgba(0,0,0,.16));
}

.secondary-action{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:62px;
  border:2px solid var(--blue);
  border-radius:24px;
  background:#fff;
  color:var(--blue);
  text-decoration:none;
  font-weight:900;
  letter-spacing:.08em;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}

.secondary-action:hover{
  background:var(--blue);
  color:#fff;
  transform:translateY(-3px);
  box-shadow:0 18px 34px rgba(0,117,255,.22);
}

.product-description-card{
  border:1px solid rgba(142,197,255,.35);
  border-radius:8px;
  background:linear-gradient(135deg, rgba(11,52,117,.05), rgba(142,197,255,.14));
  padding:20px;
  margin:0 0 28px;
}

.product-description-inline{
  margin:14px 0 34px;
}

.product-description-card h2{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--navy);
  font-size:18px;
  font-weight:900;
  margin:0 0 8px;
}

.product-description-card i{
  color:var(--orange);
  font-size:15px;
}

.product-description-card p{
  color:#26324f;
  font-size:16px;
  line-height:1.55;
  margin:0;
}

.product-extra-section{
  position:relative;
  margin:0 0 56px;
  padding:28px;
  background:rgba(255,255,255,.9);
  border:1px solid rgba(142,197,255,.32);
  border-radius:16px;
  box-shadow:0 22px 56px rgba(6,36,90,.12);
  animation:detailEnter .7s .12s ease both;
  overflow:hidden;
}

.product-extra-section::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:5px;
  border-radius:10px 10px 0 0;
  background:linear-gradient(90deg, var(--sky), var(--blue), var(--orange));
}

.info-panel{
  margin-bottom:30px;
}

.info-panel .product-services{
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:18px;
  padding-bottom:26px;
  border-bottom:1px solid rgba(1,13,53,.14);
}

.explore-panel{
  margin-top:28px;
  padding:22px;
  border:2px solid var(--orange);
  border-radius:14px;
  background:linear-gradient(145deg, rgba(11,52,117,.96), rgba(6,36,90,.92));
  box-shadow:0 20px 42px rgba(6,36,90,.18);
}

.explore-header{
  margin-bottom:16px;
}

.explore-header span{
  display:inline-block;
  color:var(--sky);
  font-size:12px;
  font-weight:900;
  letter-spacing:.18em;
  text-transform:uppercase;
  margin-bottom:6px;
}

.explore-header h2{
  color:#fff;
  font-size:28px;
  font-weight:800;
  line-height:1;
  margin:0;
}

.explore-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:14px;
}

.explore-card{
  display:block;
  overflow:hidden;
  border:1px solid var(--orange);
  border-radius:10px;
  background:rgba(255,255,255,.06);
  color:#fff;
  text-decoration:none;
  box-shadow:0 12px 24px rgba(0,0,0,.16);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.explore-card:hover{
  color:#fff;
  border-color:var(--sky);
  transform:translateY(-4px);
  box-shadow:0 16px 32px rgba(0,117,255,.2);
}

.explore-card img{
  width:100%;
  aspect-ratio:1.12;
  object-fit:cover;
  display:block;
  filter:saturate(.95) contrast(1.05);
  transition:transform .35s ease, filter .35s ease;
}

.explore-card:hover img{
  transform:scale(1.06);
  filter:saturate(1.12) contrast(1.06);
}

.explore-card div{
  padding:10px 10px 12px;
}

.explore-card h3{
  color:#fff;
  font-size:14px;
  line-height:1.25;
  margin:0 0 6px;
  font-weight:700;
}

.explore-card p{
  color:var(--sky);
  font-size:14px;
  font-weight:800;
  margin:0;
}

.product-services{
  display:grid;
  gap:18px;
  margin-bottom:34px;
}

.product-services a{
  display:flex;
  align-items:center;
  gap:12px;
  color:#26324f;
  text-decoration:underline;
  text-underline-offset:3px;
  transition:color .2s ease, transform .2s ease;
}

.product-services a:hover{
  color:var(--blue);
  transform:translateX(4px);
}

.product-services i{
  color:var(--blue);
  font-size:22px;
}

.detail-section{
  border-top:1px solid rgba(1,13,53,.14);
  padding:24px 0;
}

.detail-section h2{
  font-size:12px;
  letter-spacing:.08em;
  font-weight:800;
  margin:0 0 16px;
}

.detail-section ul{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:8px;
}

.detail-section li{
  position:relative;
  padding-left:18px;
  color:#26324f;
}

.detail-section li::before{
  content:"";
  position:absolute;
  left:0;
  top:.45em;
  width:8px;
  height:8px;
  border:1px solid var(--orange);
  border-radius:50%;
}

@keyframes detailEnter{
  from{opacity:0; transform:translateY(18px);}
  to{opacity:1; transform:translateY(0);}
}

@keyframes infoEnter{
  from{opacity:0; transform:translateX(22px);}
  to{opacity:1; transform:translateX(0);}
}

@keyframes thumbsEnter{
  from{opacity:0; transform:translateX(-16px);}
  to{opacity:1; transform:translateX(0);}
}

@keyframes imageReveal{
  from{opacity:0; transform:scale(1.02);}
  to{opacity:1; transform:scale(1);}
}

.gear-list{
  display:grid;
  gap:14px;
}

.gear-card{
  display:grid;
  grid-template-columns:112px 1fr 112px;
  gap:18px;
  align-items:center;
  padding:14px;
  border:1px solid rgba(142,197,255,.28);
  background:linear-gradient(90deg, rgba(142,197,255,.12), rgba(255,255,255,.72));
  box-shadow:0 10px 26px rgba(6,36,90,.08);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.gear-card:hover{
  transform:translateY(-3px);
  border-color:rgba(0,117,255,.34);
  box-shadow:0 16px 34px rgba(6,36,90,.13);
}

.gear-card img{
  width:112px;
  height:92px;
  object-fit:cover;
  background:#f3f5f8;
  border-radius:0;
}

.gear-card span{
  display:inline-block;
  color:var(--blue);
  font-size:11px;
  font-weight:900;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:4px;
}

.gear-card h3{
  color:var(--navy);
  font-size:18px;
  font-weight:800;
  margin:0 0 6px;
}

.gear-card p{
  margin:0;
  color:#26324f;
}

.gear-card a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:10px;
  min-height:34px;
  padding:0 16px;
  border-radius:999px;
  background:linear-gradient(135deg, #69B8FF, #9FD4FF);
  color:var(--navy);
  font-size:13px;
  font-weight:900;
  text-decoration:none;
  box-shadow:0 10px 22px rgba(105,184,255,.24);
  transition:transform .2s ease, box-shadow .2s ease;
}

.gear-card a:hover{
  color:var(--navy);
  transform:translateY(-2px);
  box-shadow:0 14px 28px rgba(105,184,255,.34);
}

@media(max-width:991px){
  .detail-shell{
    grid-template-columns:1fr;
    gap:28px;
  }

  .main-product-img{
    height:520px;
  }

  .main-image-frame{
    height:520px;
  }

  .detail-gallery{
    max-width:760px;
    margin:0 auto;
  }
}

@media(max-width:576px){
  body{
    padding-top:98px;
  }

  .detail-shell{
    padding:18px 0 32px;
  }

  .product-detail-page .container{
    padding-left:20px;
    padding-right:20px;
  }

  .detail-gallery{
    grid-template-columns:64px 1fr;
    gap:14px;
    padding:0;
    border-radius:0;
  }

  .thumbs{
    order:0;
    grid-template-columns:1fr;
    gap:8px;
    padding:0;
  }

  .thumbs img{
    height:auto;
    border-radius:8px;
    border-width:2px;
  }

  .main-product-img{
    height:300px;
    min-height:300px;
  }

  .main-image-frame{
    border-radius:8px;
    height:300px;
    box-shadow:0 0 0 1px var(--sky), 0 0 0 3px var(--blue), 0 0 0 5px var(--orange), 0 18px 34px rgba(6,36,90,.14);
  }

  .main-image-frame::after{
    font-size:46px;
    right:14px;
    bottom:10px;
  }

  .detail-gallery::after{
    top:22px;
    left:22px;
    font-size:10px;
  }

  .detail-info h1{
    font-size:26px;
  }

  .detail-price{
    font-size:24px;
  }

  .detail-top{
    align-items:center;
  }

  .category-tabs{
    gap:8px;
    padding-top:22px;
  }

  .category-tab{
    min-height:42px;
    padding:0 14px;
    font-size:13px;
  }

  .cart-btn{
    min-height:50px;
    border-radius:16px;
    font-size:13px;
  }

  .quantity-row{
    align-items:flex-start;
    flex-direction:column;
    gap:10px;
  }

  .quantity-stepper{
    width:100%;
    grid-template-columns:48px 1fr 48px;
  }

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

  .cart-btn,
  .secondary-action{
    min-height:48px;
    border-radius:16px;
    font-size:13px;
  }

  .product-extra-section{
    margin:0 0 34px;
    padding:22px 16px;
  }

  .info-panel .product-services{
    grid-template-columns:1fr;
  }

  .explore-panel{
    padding:16px;
  }

  .explore-header h2{
    font-size:26px;
  }

  .explore-grid{
    grid-template-columns:repeat(2, minmax(0, 1fr));
    gap:10px;
  }

  .explore-card h3{
    font-size:13px;
  }

  .explore-card p{
    font-size:13px;
  }

  .gear-card{
    grid-template-columns:86px 1fr;
    gap:12px;
    padding:12px;
  }

  .gear-card img{
    width:86px;
    height:86px;
  }

  .gear-card img:last-child{
    display:none;
  }
}