*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
:root{
  --bg:#0a0f1a;
  --bg2:#111827;
  --blue:#4fc3f7;
  --teal:#00e5c0;
  --silver:#b0bec5;
  --white:#f0f4f8;
  --accent:#ff6b35;
}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--white);overflow-x:hidden;}
img,svg{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
button{font-family:'DM Sans',sans-serif;}

/*  NAV  */
nav{
  position:fixed;top:0;left:0;right:0;z-index:300;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;
  background:rgba(10,15,26,0.97);
  border-bottom:1px solid rgba(79,195,247,0.1);
  backdrop-filter:blur(10px);
  transition:padding .3s;
}
nav.scrolled{padding:10px 20px;}
.nav-logo{
  font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:3px;
  display:flex;align-items:center;gap:8px;
}
.logo-dot{width:7px;height:7px;background:var(--teal);border-radius:50%;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(0,229,192,.4);}50%{box-shadow:0 0 0 6px rgba(0,229,192,0);}}
.nav-links{display:flex;gap:28px;list-style:none;}
.nav-links a{font-size:13px;font-weight:500;color:var(--silver);letter-spacing:1px;text-transform:uppercase;transition:color .3s;}
.nav-links a:hover{color:var(--teal);}
.nav-right{display:flex;align-items:center;gap:10px;}
.nav-cart-btn{
  position:relative;background:transparent;
  border:1.5px solid rgba(79,195,247,.3);color:var(--blue);
  width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .3s;
}
.nav-cart-btn:hover{background:rgba(79,195,247,.1);}
.cart-badge{
  position:absolute;top:-6px;right:-6px;
  background:linear-gradient(135deg,var(--blue),var(--teal));
  color:var(--bg);font-size:10px;font-weight:800;
  width:17px;height:17px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  opacity:0;transform:scale(0);transition:all .25s;
}
.cart-badge.show{opacity:1;transform:scale(1);}
.hamburger{
  display:none;background:transparent;
  border:1.5px solid rgba(79,195,247,.3);color:var(--blue);
  width:40px;height:40px;align-items:center;justify-content:center;
  cursor:pointer;
}

/*  MOBILE NAV  */
.mobile-nav{
  display:none;position:fixed;inset:0;z-index:400;
  background:rgba(10,15,26,.98);backdrop-filter:blur(12px);
  flex-direction:column;align-items:center;justify-content:center;gap:28px;
}
.mobile-nav.open{display:flex;}
.mobile-nav a{font-family:'Bebas Neue',sans-serif;font-size:38px;letter-spacing:4px;color:var(--white);transition:color .3s;}
.mobile-nav a:active{color:var(--teal);}
.mob-close{
  position:absolute;top:18px;right:18px;
  background:transparent;border:1.5px solid rgba(79,195,247,.3);
  color:var(--silver);width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}

/*  HERO  */
.hero{
  min-height:100dvh;
  display:flex;align-items:center;
  padding:100px 24px 60px;
  position:relative;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 60% at 60% 40%,rgba(79,195,247,.07) 0%,transparent 70%),
             radial-gradient(ellipse 50% 50% at 20% 70%,rgba(0,229,192,.05) 0%,transparent 60%),
             linear-gradient(180deg,var(--bg) 0%,#060b14 100%);
}
.hero-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(79,195,247,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(79,195,247,.03) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 80% at 50% 40%,black 0%,transparent 70%);
}
.hero-content{position:relative;z-index:2;max-width:640px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(79,195,247,.08);border:1px solid rgba(79,195,247,.2);
  padding:5px 14px;font-size:11px;letter-spacing:2px;text-transform:uppercase;
  color:var(--blue);margin-bottom:24px;
}
.hero-title{
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(52px,11vw,110px);
  line-height:.92;letter-spacing:2px;margin-bottom:10px;
}
.hero-title .grad{
  display:block;
  background:linear-gradient(135deg,var(--blue),var(--teal));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-rhino{
  display:inline-block;
  font-size:clamp(18px,3vw,28px);letter-spacing:8px;
  border:1px solid rgba(79,195,247,.2);padding:4px 16px;margin-top:10px;
  background:linear-gradient(135deg,rgba(79,195,247,.5),rgba(0,229,192,.4));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-desc{font-size:16px;line-height:1.75;color:var(--silver);font-weight:300;max-width:480px;margin:24px 0 36px;}
.btn-primary{
  display:inline-block;
  background:linear-gradient(135deg,var(--blue),var(--teal));
  color:var(--bg);padding:15px 36px;
  font-weight:700;font-size:14px;letter-spacing:1.5px;text-transform:uppercase;
  transition:opacity .3s,transform .3s;
}
.btn-primary:hover{opacity:.88;transform:translateY(-2px);}
.hero-stats{
  display:flex;gap:36px;flex-wrap:wrap;
  margin-top:48px;padding-top:36px;
  border-top:1px solid rgba(79,195,247,.12);
}
.stat-num{font-family:'Bebas Neue',sans-serif;font-size:38px;line-height:1;
  background:linear-gradient(135deg,var(--blue),var(--teal));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.stat-label{font-size:11px;color:var(--silver);letter-spacing:1px;text-transform:uppercase;margin-top:3px;}

/*  SECTION BASE  */
section{padding:80px 24px;}
.sec-label{
  font-size:11px;letter-spacing:4px;text-transform:uppercase;color:var(--teal);
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.sec-label::before{content:'';width:28px;height:1px;background:var(--teal);}
.sec-title{
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(36px,6vw,62px);line-height:1;letter-spacing:1px;margin-bottom:16px;
}
.sec-desc{color:var(--silver);font-size:15px;line-height:1.75;font-weight:300;max-width:520px;}

/*  REVEAL  */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease;}
.reveal.on{opacity:1;transform:translateY(0);}

/*  ABOUT  */
#hakkimizda{
  position:relative;
  background:
    radial-gradient(circle at 15% 20%,rgba(79,195,247,.08),transparent 35%),
    radial-gradient(circle at 85% 75%,rgba(0,229,192,.07),transparent 30%),
    linear-gradient(180deg,#08111d 0%,var(--bg) 100%);
  overflow:hidden;
}
.about-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);
  gap:34px;
  align-items:stretch;
}
.about-story{
  padding:34px;
  background:rgba(79,195,247,.04);
  border:1px solid rgba(79,195,247,.12);
}
.about-title{
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(42px,7vw,86px);
  line-height:.95;
  letter-spacing:1px;
  margin-bottom:18px;
}
.about-title .line-accent{
  display:block;
  background:linear-gradient(135deg,var(--blue),var(--teal));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.about-copy{
  color:var(--silver);
  font-size:15px;
  line-height:1.9;
  font-weight:300;
  max-width:640px;
}
.about-copy p + p{margin-top:14px;}
.about-points{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  margin-top:26px;
}
.about-point{
  padding:18px 16px;
  border:1px solid rgba(79,195,247,.1);
  background:rgba(255,255,255,.02);
}
.about-point-tag{
  font-size:10px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--teal);
  margin-bottom:8px;
}
.about-point-text{
  font-size:13px;
  color:var(--white);
  line-height:1.7;
}
.about-side{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.about-panel{
  padding:26px 24px;
  background:var(--bg2);
  border:1px solid rgba(79,195,247,.12);
}
.about-panel-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:10px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--blue);
  margin-bottom:14px;
}
.about-panel-kicker::before{
  content:'';
  width:20px;height:1px;background:var(--blue);
}
.about-panel-title{
  font-family:'Bebas Neue',sans-serif;
  font-size:30px;
  letter-spacing:1px;
  margin-bottom:12px;
}
.about-panel-text{
  color:var(--silver);
  font-size:14px;
  line-height:1.8;
}
.about-list{
  display:grid;
  gap:12px;
}
.about-list-item{
  padding:16px 18px;
  background:rgba(79,195,247,.04);
  border:1px solid rgba(79,195,247,.1);
}
.about-list-item strong{
  display:block;
  font-size:12px;
  letter-spacing:1px;
  text-transform:uppercase;
  color:var(--blue);
  margin-bottom:6px;
}
.about-list-item span{
  display:block;
  font-size:13px;
  color:var(--silver);
  line-height:1.7;
}

/*  PRODUCTS  */
#urunler{background:var(--bg2);}
.pcat-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:14px;margin-top:48px;
}
.pcat-card{
  background:var(--bg);border:1px solid rgba(79,195,247,.1);
  cursor:pointer;transition:all .35s;overflow:hidden;
}
.pcat-card:hover,.pcat-card:active{
  border-color:rgba(79,195,247,.4);transform:translateY(-4px);
  box-shadow:0 16px 50px rgba(0,0,0,.4);
}
.pcat-img{aspect-ratio:4/3;overflow:hidden;position:relative;background:var(--bg2);}
.pcat-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s;}
.pcat-img-split{display:grid;grid-template-columns:1fr 1fr;gap:2px;}
.pcat-img svg{width:100%;height:100%;transition:transform .5s;}
.pcat-card:hover .pcat-img img{transform:scale(1.05);}
.pcat-card:hover .pcat-img svg{transform:scale(1.05);}
.pcat-overlay{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(79,195,247,.18),rgba(0,229,192,.12));
  display:flex;align-items:center;justify-content:center;gap:8px;
  opacity:0;transition:opacity .3s;
  font-size:13px;font-weight:600;letter-spacing:1px;color:var(--white);
}
.pcat-card:hover .pcat-overlay{opacity:1;}
.pcat-info{padding:16px;}
.pcat-tag{font-size:9px;letter-spacing:2px;text-transform:uppercase;color:var(--teal);margin-bottom:5px;}
.pcat-name{font-family:'Bebas Neue',sans-serif;font-size:17px;letter-spacing:1px;margin-bottom:4px;}
.pcat-sub{font-size:11px;color:var(--silver);font-weight:300;line-height:1.5;}

.prod-cta{
  margin-top:40px;padding:24px 28px;
  background:rgba(79,195,247,.04);border:1px solid rgba(79,195,247,.12);
}
.prod-cta p{font-size:14px;color:var(--silver);line-height:1.7;}
.prod-cta a{color:var(--teal);font-weight:600;}

/*  GUIDE  */
#bilgi-rehberi{
  background:
    radial-gradient(circle at 20% 20%,rgba(79,195,247,.07),transparent 30%),
    linear-gradient(180deg,var(--bg2) 0%,#0a1019 100%);
}
.guide-top{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(280px,360px);
  gap:28px;
  align-items:end;
  margin-bottom:38px;
}
.guide-intro{
  padding:28px 30px;
  background:rgba(79,195,247,.04);
  border:1px solid rgba(79,195,247,.12);
}
.guide-intro-note{
  font-size:13px;
  color:var(--silver);
  line-height:1.8;
}
.guide-badge-box{
  padding:26px 24px;
  background:var(--bg);
  border:1px solid rgba(79,195,247,.12);
}
.guide-badge-kicker{
  font-size:10px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--teal);
  margin-bottom:10px;
}
.guide-badge-title{
  font-family:'Bebas Neue',sans-serif;
  font-size:34px;
  letter-spacing:1px;
  margin-bottom:8px;
}
.guide-badge-text{
  font-size:13px;
  line-height:1.8;
  color:var(--silver);
}
.guide-list{
  display:grid;
  gap:14px;
}
.guide-item{
  border:1px solid rgba(79,195,247,.12);
  background:rgba(255,255,255,.02);
}
.guide-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 24px;
}
.guide-item summary::-webkit-details-marker{display:none;}
.guide-item summary::after{
  content:'+';
  flex-shrink:0;
  font-family:'Bebas Neue',sans-serif;
  font-size:28px;
  line-height:1;
  color:var(--blue);
  transition:transform .25s ease,color .25s ease;
}
.guide-item[open] summary::after{
  content:'-';
  color:var(--teal);
}
.guide-item[open]{
  background:rgba(79,195,247,.04);
  border-color:rgba(79,195,247,.22);
}
.guide-item-title{
  font-family:'Bebas Neue',sans-serif;
  font-size:28px;
  letter-spacing:1px;
}
.guide-item-body{
  padding:0 24px 24px;
  color:var(--silver);
  font-size:14px;
  line-height:1.9;
}
.guide-item-body p + p{margin-top:12px;}

/*  MODAL  */
.prod-modal{
  position:fixed;inset:0;z-index:500;
  background:rgba(0,0,0,.8);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;
  padding:24px;opacity:0;pointer-events:none;transition:opacity .3s;
}
.prod-modal.open{opacity:1;pointer-events:all;}
.modal-box{
  background:var(--bg2);border:1px solid rgba(79,195,247,.2);
  width:100%;max-width:900px;max-height:92dvh;
  overflow-y:auto;position:relative;
  transform:translateY(30px);transition:transform .3s;
  border-radius:0;
}
.prod-modal.open .modal-box{transform:translateY(0);}
.modal-header{
  position:sticky;top:0;z-index:10;
  background:var(--bg2);border-bottom:1px solid rgba(79,195,247,.1);
  padding:16px 20px;display:flex;align-items:center;justify-content:space-between;
}
.modal-hdr-tag{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--teal);}
.modal-hdr-title{font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:1px;}
.modal-close-btn{
  background:rgba(79,195,247,.1);border:1px solid rgba(79,195,247,.2);
  color:var(--silver);width:34px;height:34px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.modal-body{padding:20px;}
.modal-desc{font-size:13px;color:var(--silver);line-height:1.7;margin-bottom:20px;}
.modal-note{
  display:inline-block;background:rgba(0,229,192,.07);
  border:1px solid rgba(0,229,192,.2);color:var(--teal);
  padding:5px 14px;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:18px;
}
.t-wrap{overflow-x:auto;border:1px solid rgba(79,195,247,.12);}
.ptable{width:100%;border-collapse:collapse;font-size:13px;}
.ptable thead tr{background:rgba(79,195,247,.08);border-bottom:1px solid rgba(79,195,247,.2);}
.ptable th{padding:11px 12px;text-align:left;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--blue);white-space:nowrap;}
.ptable td{padding:10px 12px;color:var(--silver);border-bottom:1px solid rgba(79,195,247,.06);white-space:nowrap;}
.ptable tr:hover td{background:rgba(79,195,247,.04);color:var(--white);}
.ptable td.tot{font-weight:700;font-size:14px;color:var(--blue);}
.ptable tr:hover td.tot{
  color:var(--blue);
}
.add-btn{
  background:transparent;border:1.5px solid rgba(79,195,247,.35);
  color:var(--blue);padding:6px 12px;font-size:11px;font-weight:600;
  letter-spacing:.8px;text-transform:uppercase;cursor:pointer;
  transition:all .25s;white-space:nowrap;
}
.add-btn:hover,.add-btn:active{
  background:linear-gradient(135deg,var(--blue),var(--teal));
  border-color:transparent;color:var(--bg);
}
.add-btn.done{background:rgba(0,229,192,.15);border-color:var(--teal);color:var(--teal);}
.custom-msg{
  padding:18px;background:rgba(168,85,247,.06);
  border:1px solid rgba(168,85,247,.2);color:var(--silver);
  font-size:13px;line-height:1.75;
}

/*  CART  */
.cart-overlay{
  position:fixed;inset:0;z-index:599;
  background:rgba(0,0,0,.65);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity .3s;
}
.cart-overlay.open{opacity:1;pointer-events:all;}
.cart-drawer{
  position:fixed;top:0;right:-105%;bottom:0;
  width:min(420px,100vw);z-index:600;
  background:var(--bg2);border-left:1px solid rgba(79,195,247,.15);
  display:flex;flex-direction:column;
  transition:right .4s cubic-bezier(.4,0,.2,1);
  box-shadow:-20px 0 60px rgba(0,0,0,.5);
}
.cart-drawer.open{right:0;}
.cart-hdr{
  padding:20px 22px;border-bottom:1px solid rgba(79,195,247,.1);
  display:flex;align-items:center;justify-content:space-between;flex-shrink:0;
}
.cart-hdr-title{font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:2px;display:flex;align-items:center;gap:8px;}
.cart-x{background:transparent;border:1px solid rgba(79,195,247,.2);color:var(--silver);width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;}
.cart-items-wrap{flex:1;overflow-y:auto;padding:16px 22px;display:flex;flex-direction:column;gap:10px;}
.cart-empty-msg{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;color:var(--silver);opacity:.5;text-align:center;padding:40px 20px;
}
.cart-item{
  background:rgba(79,195,247,.04);border:1px solid rgba(79,195,247,.1);
  padding:12px 14px;display:flex;align-items:center;gap:12px;
}
.ci-info{flex:1;min-width:0;}
.ci-name{font-size:13px;font-weight:600;color:var(--white);margin-bottom:2px;}
.ci-size{font-size:11px;color:var(--teal);}
.ci-qty{display:flex;align-items:center;gap:6px;}
.qty-b{background:rgba(79,195,247,.1);border:1px solid rgba(79,195,247,.2);color:var(--white);width:26px;height:26px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:15px;line-height:1;}
.qty-n{font-size:14px;font-weight:600;min-width:18px;text-align:center;}
.ci-price{font-size:14px;font-weight:700;color:var(--blue);white-space:nowrap;flex-shrink:0;}
.ci-del{background:none;border:none;color:rgba(176,190,197,.4);cursor:pointer;padding:4px;flex-shrink:0;}
.ci-del:hover{color:#ff6b6b;}
.cart-footer{padding:16px 22px 24px;border-top:1px solid rgba(79,195,247,.1);flex-shrink:0;}
.cart-total-row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px;}
.cart-total-lbl{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--silver);}
.cart-total-val{font-family:'Bebas Neue',sans-serif;font-size:26px;color:var(--blue);}
.cart-total-val-secondary{font-size:22px;color:var(--white);}
.cart-total-row-grand{margin-top:8px;padding-top:10px;border-top:1px solid rgba(79,195,247,.1);}
.cart-kdv{font-size:10px;color:rgba(176,190,197,.45);margin-bottom:16px;}
.checkout-form{
  margin-bottom:14px;padding:14px;
  background:rgba(79,195,247,.04);
  border:1px solid rgba(79,195,247,.1);
}
.checkout-form-title{
  font-family:'Bebas Neue',sans-serif;
  font-size:18px;letter-spacing:1.5px;margin-bottom:4px;
}
.checkout-form-note{
  font-size:11px;line-height:1.5;color:rgba(176,190,197,.72);
  margin-bottom:12px;
}
.checkout-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.checkout-field{display:flex;flex-direction:column;gap:6px;}
.checkout-field label{
  font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--silver);
}
.checkout-field-note{
  font-size:11px;letter-spacing:0;text-transform:none;
  color:rgba(176,190,197,.78);font-weight:400;
}
.checkout-field input,.checkout-field textarea{
  width:100%;background:rgba(10,15,26,.72);color:var(--white);
  border:1px solid rgba(79,195,247,.16);padding:12px 13px;
  font:inherit;resize:vertical;
}
.checkout-field input::placeholder,.checkout-field textarea::placeholder{color:rgba(176,190,197,.4);}
.checkout-field input:focus,.checkout-field textarea:focus{
  outline:none;border-color:rgba(0,229,192,.55);
  box-shadow:0 0 0 3px rgba(0,229,192,.08);
}
.checkout-field.is-invalid input,.checkout-field.is-invalid textarea{
  border-color:rgba(255,107,107,.7);
  box-shadow:0 0 0 3px rgba(255,107,107,.08);
}
.checkout-error{
  margin-top:10px;font-size:11px;line-height:1.5;
  color:#ff9f9f;
}
.checkout-modal{
  position:fixed;inset:0;z-index:610;
  background:rgba(0,0,0,.8);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;
  padding:20px;opacity:0;pointer-events:none;transition:opacity .3s;
}
.checkout-modal.open{opacity:1;pointer-events:all;}
.checkout-modal-box{
  width:min(560px,100%);max-height:min(92dvh,820px);overflow-y:auto;
  background:var(--bg2);border:1px solid rgba(79,195,247,.18);
  box-shadow:0 24px 70px rgba(0,0,0,.5);
  transform:translateY(24px);transition:transform .3s;
}
.checkout-modal.open .checkout-modal-box{transform:translateY(0);}
.checkout-modal-header{
  position:sticky;top:0;z-index:2;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 20px;
  background:var(--bg2);border-bottom:1px solid rgba(79,195,247,.1);
}
.checkout-modal-tag{
  font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--teal);
}
.checkout-modal-title{
  font-family:'Bebas Neue',sans-serif;font-size:24px;letter-spacing:1px;
}
.checkout-modal-close{
  background:rgba(79,195,247,.1);border:1px solid rgba(79,195,247,.2);
  color:var(--silver);width:36px;height:36px;display:flex;align-items:center;
  justify-content:center;cursor:pointer;flex-shrink:0;
}
.checkout-modal-body{padding:20px;}
.checkout-field-full{grid-column:1 / -1;}
.checkout-modal-actions{
  display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;margin-top:16px;
}
.checkout-secondary-btn,.checkout-primary-btn{
  border:none;padding:13px 18px;font:inherit;cursor:pointer;
  letter-spacing:.6px;transition:opacity .25s,transform .25s;
}
.checkout-secondary-btn{
  background:transparent;color:var(--silver);
  border:1px solid rgba(79,195,247,.18);
}
.checkout-primary-btn{
  background:linear-gradient(135deg,var(--blue),var(--teal));
  color:var(--bg);font-weight:700;
}
.checkout-primary-btn:disabled,.checkout-secondary-btn:disabled{
  opacity:.55;cursor:not-allowed;transform:none;
}
.checkout-secondary-btn:hover,.checkout-primary-btn:hover{opacity:.92;transform:translateY(-1px);}
.checkout-btn{
  width:100%;background:linear-gradient(135deg,var(--blue),var(--teal));
  color:var(--bg);border:none;padding:15px;
  font-family:'Bebas Neue',sans-serif;font-size:18px;letter-spacing:3px;
  cursor:pointer;transition:all .3s;margin-bottom:8px;
}
.checkout-btn:hover{opacity:.9;}
.checkout-btn:disabled{opacity:.35;cursor:not-allowed;}
.cart-note{font-size:10px;color:rgba(176,190,197,.4);text-align:center;line-height:1.6;}

/*  WHY  */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.why-cards{display:flex;flex-direction:column;gap:16px;}
.why-card{
  background:var(--bg2);border:1px solid rgba(79,195,247,.1);
  padding:22px 26px;transition:all .4s;
}
.why-card:hover{border-color:rgba(79,195,247,.3);transform:translateX(4px);}
.wc-icon{
  width:50px;height:50px;margin-bottom:12px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(79,195,247,.08);color:var(--blue);
  border:1px solid rgba(79,195,247,.16);
}
.wc-icon svg{width:24px;height:24px;display:block;}
.wc-title{font-family:'Bebas Neue',sans-serif;font-size:19px;letter-spacing:1px;color:var(--blue);margin-bottom:6px;}
.wc-text{font-size:13px;color:var(--silver);line-height:1.7;font-weight:300;}
.why-feats{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;}
.feat{display:flex;gap:10px;align-items:flex-start;}
.feat-chk{
  width:18px;height:18px;flex-shrink:0;margin-top:2px;
  background:linear-gradient(135deg,var(--blue),var(--teal));
  display:flex;align-items:center;justify-content:center;
}
.feat-chk svg{width:9px;color:var(--bg);}
.feat-txt{font-size:13px;color:var(--silver);line-height:1.6;font-weight:300;}

/*  PROCESS  */
#surec{background:var(--bg2);}
.process-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;margin-top:56px;position:relative;
}
.process-grid::before{
  content:'';position:absolute;top:44px;left:12.5%;right:12.5%;
  height:1px;background:linear-gradient(90deg,var(--blue),var(--teal));opacity:.25;
}
.step{padding:0 24px;text-align:center;}
.step-num{
  width:88px;height:88px;border:1.5px solid rgba(79,195,247,.3);border-radius:50%;
  display:flex;align-items:center;justify-content:center;margin:0 auto 24px;
  font-family:'Bebas Neue',sans-serif;font-size:32px;color:var(--blue);
  background:var(--bg2);transition:all .4s;
}
.step:hover .step-num{border-color:var(--teal);background:rgba(0,229,192,.05);}
.step-title{font-family:'Bebas Neue',sans-serif;font-size:18px;letter-spacing:1px;margin-bottom:8px;}
.step-text{font-size:13px;color:var(--silver);line-height:1.7;font-weight:300;}

/*  CONTACT  */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;}
.contact-items{display:flex;flex-direction:column;gap:14px;margin-top:32px;}
.contact-item{
  display:flex;align-items:center;gap:14px;padding:16px 20px;
  background:rgba(79,195,247,.04);border:1px solid rgba(79,195,247,.1);transition:all .3s;
}
.contact-item:hover{border-color:rgba(79,195,247,.25);background:rgba(79,195,247,.07);}
.ci-icon{
  width:40px;height:40px;flex-shrink:0;
  background:linear-gradient(135deg,rgba(79,195,247,.15),rgba(0,229,192,.1));
  display:flex;align-items:center;justify-content:center;color:var(--blue);
}
.ci-lbl{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--silver);margin-bottom:3px;}
.ci-val{font-size:14px;font-weight:500;}
.ci-val a{color:var(--white);transition:color .25s;}
.ci-val a:hover{color:var(--teal);}
.contact-map-card{
  margin-top:24px;padding:24px;
  background:linear-gradient(135deg,rgba(79,195,247,.06),rgba(0,229,192,.04));
  border:1px solid rgba(79,195,247,.12);
}
.contact-map-kicker{
  font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--teal);margin-bottom:12px;
}
.contact-map-title{
  font-family:'Bebas Neue',sans-serif;font-size:30px;letter-spacing:1px;margin-bottom:10px;
}
.contact-map-text{
  font-size:14px;color:var(--silver);line-height:1.8;margin-bottom:18px;
}
.contact-map-actions{display:flex;gap:12px;flex-wrap:wrap;}
.map-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 18px;border:1.5px solid rgba(79,195,247,.3);
  color:var(--white);font-size:12px;font-weight:600;letter-spacing:1px;text-transform:uppercase;
  transition:all .25s;
}
.map-btn:hover{
  background:linear-gradient(135deg,var(--blue),var(--teal));
  border-color:transparent;color:var(--bg);
}
.contact-mini-note{font-size:11px;color:rgba(176,190,197,.6);line-height:1.7;margin-top:12px;}
label{display:block;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--silver);margin-bottom:7px;}
.fg{margin-bottom:16px;}
.fr{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
input,textarea,select{
  width:100%;background:rgba(79,195,247,.04);
  border:1px solid rgba(79,195,247,.15);padding:13px 16px;
  color:var(--white);font-family:'DM Sans',sans-serif;font-size:14px;
  outline:none;transition:all .3s;
}
input:focus,textarea:focus,select:focus{border-color:var(--blue);background:rgba(79,195,247,.07);}
textarea{resize:vertical;min-height:180px;}
select option{background:var(--bg2);}
.submit-btn{
  width:100%;background:linear-gradient(135deg,var(--blue),var(--teal));
  color:var(--bg);border:none;padding:16px;
  font-family:'Bebas Neue',sans-serif;font-size:18px;letter-spacing:3px;
  cursor:pointer;transition:all .3s;
}
.submit-btn:hover{opacity:.88;transform:translateY(-1px);}

/*  FOOTER  */
footer{background:#050810;padding:40px 24px 28px;border-top:1px solid rgba(79,195,247,.1);}
.footer-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:24px;border-bottom:1px solid rgba(79,195,247,.06);margin-bottom:20px;}
.footer-logo{font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:3px;color:var(--silver);}
.footer-links{display:flex;gap:24px;}
.footer-links a{color:var(--silver);font-size:12px;transition:color .3s;}
.footer-links a:hover{color:var(--teal);}
.footer-bot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;}
.footer-copy{font-size:11px;color:rgba(176,190,197,.45);}
.footer-tag{font-size:10px;color:rgba(176,190,197,.35);letter-spacing:2px;text-transform:uppercase;}

/*  MOBILE  */
@media(max-width:768px){
  .nav-links{display:none;}
  .hamburger{display:flex;}
  nav{padding:12px 16px;}

  section{padding:56px 16px;}
  .hero{padding:88px 16px 48px;min-height:100dvh;}
  .hero-title{font-size:clamp(44px,14vw,72px);}
  .hero-rhino{font-size:clamp(14px,4vw,20px);letter-spacing:5px;}
  .hero-desc{font-size:14px;margin:18px 0 28px;}
  .hero-stats{gap:20px;margin-top:36px;padding-top:28px;}
  .stat-num{font-size:30px;}

  .about-grid{grid-template-columns:1fr;gap:22px;}
  .about-story,.about-panel{padding:24px 20px;}
  .about-points{grid-template-columns:1fr;gap:10px;}
  .about-title{font-size:clamp(38px,12vw,64px);}
  .guide-top{grid-template-columns:1fr;gap:16px;}
  .guide-intro,.guide-badge-box{padding:22px 18px;}
  .guide-item summary{padding:18px 18px;}
  .guide-item-body{padding:0 18px 20px;}
  .guide-item-title{font-size:22px;}

  .pcat-grid{grid-template-columns:1fr 1fr;gap:10px;margin-top:32px;}
  .pcat-info{padding:12px;}
  .pcat-name{font-size:14px;}
  .pcat-sub{font-size:10px;}
  .pcat-tag{font-size:8px;}

  .prod-modal{align-items:flex-end;}
  .modal-box{border-radius:0;max-height:88dvh;}
  .checkout-modal{align-items:flex-end;padding:0;}
  .checkout-modal-box{width:100%;max-height:88dvh;border-radius:0;}
  .checkout-modal-body{padding:16px;}
  .checkout-form-grid{grid-template-columns:1fr;}
  .checkout-modal-actions{flex-direction:column-reverse;}
  .checkout-secondary-btn,.checkout-primary-btn{width:100%;}
  .ptable th{font-size:9px;padding:9px 8px;letter-spacing:1px;}
  .ptable td{font-size:11px;padding:9px 8px;}
  .add-btn{font-size:10px;padding:5px 8px;}

  .why-grid{grid-template-columns:1fr;gap:32px;}
  .why-cards{display:grid;grid-template-columns:1fr;gap:12px;}
  .why-feats{grid-template-columns:1fr;gap:12px;}

  .process-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .process-grid::before{display:none;}
  .step{padding:0 8px;}
  .step-num{width:70px;height:70px;font-size:26px;margin-bottom:16px;}

  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .fr{grid-template-columns:1fr;gap:0;}

  .footer-top{flex-direction:column;gap:16px;text-align:center;}
  .footer-links{display:none;}
  .footer-bot{flex-direction:column;text-align:center;}

  .prod-cta{padding:20px 16px;}
}
/*  ÖL!ÜM REHBERİ  */
#olcum-rehberi{background:var(--bg2);}
.measure-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.measure-video-wrap{
  position:relative;aspect-ratio:16/9;background:var(--bg);
  border:1px solid rgba(79,195,247,.15);overflow:hidden;
}
.measure-video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.video-placeholder{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:16px;
  background:linear-gradient(135deg,rgba(79,195,247,.06),rgba(0,229,192,.03));
  cursor:pointer;
}
.play-btn{
  width:72px;height:72px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--teal));
  display:flex;align-items:center;justify-content:center;
  transition:transform .3s,box-shadow .3s;
  box-shadow:0 0 0 0 rgba(79,195,247,.4);
  animation:playPulse 2s infinite;
}
@keyframes playPulse{
  0%,100%{box-shadow:0 0 0 0 rgba(79,195,247,.4);}
  50%{box-shadow:0 0 0 16px rgba(79,195,247,0);}
}
.video-placeholder:hover .play-btn{transform:scale(1.1);}
.play-btn svg{margin-left:4px;}
.video-label{font-size:13px;color:var(--silver);letter-spacing:1px;}
.measure-steps{display:flex;flex-direction:column;gap:20px;margin-top:32px;}
.mstep{display:flex;gap:16px;align-items:flex-start;}
.mstep-num{
  width:36px;height:36px;flex-shrink:0;border-radius:50%;
  background:linear-gradient(135deg,rgba(79,195,247,.15),rgba(0,229,192,.1));
  border:1px solid rgba(79,195,247,.3);
  display:flex;align-items:center;justify-content:center;
  font-family:'Bebas Neue',sans-serif;font-size:16px;color:var(--blue);
  margin-top:2px;
}
.mstep-title{font-weight:600;font-size:14px;margin-bottom:4px;}
.mstep-text{font-size:13px;color:var(--silver);line-height:1.65;font-weight:300;}
.measure-note{
  margin-top:24px;padding:16px 20px;
  background:rgba(79,195,247,.05);border-left:3px solid var(--teal);
  font-size:13px;color:var(--silver);line-height:1.7;
}
.measure-note strong{color:var(--white);}

/*  ÇALIŞTIĞIMIZ FİRMALAR  */
#firmalar{
  background:
    radial-gradient(circle at top,rgba(79,195,247,.08),transparent 42%),
    linear-gradient(180deg,#0d1523 0%,var(--bg2) 100%);
}
.brands-top{
  display:flex;align-items:end;justify-content:center;gap:24px;
  flex-wrap:wrap;margin-bottom:34px;text-align:center;
}
.brands-top .sec-label{justify-content:center;}
.brands-top .sec-desc{max-width:680px;}
.brands-grid{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:30px 56px;
  padding:34px 42px;
  border-top:1px solid rgba(79,195,247,.12);
  border-bottom:1px solid rgba(79,195,247,.12);
  background:linear-gradient(90deg,rgba(255,255,255,.015) 0%,rgba(79,195,247,.05) 50%,rgba(255,255,255,.015) 100%);
  overflow:hidden;
}
.brand-card{
  background:transparent;
  border:none;
  min-height:auto;
  padding:0;
  flex:0 1 180px;
  display:flex;
  justify-content:center;
  opacity:.88;
  transition:transform .25s ease,opacity .25s ease;
}
.brand-card:hover{
  transform:translateY(-4px) scale(1.02);
  box-shadow:none;
  opacity:1;
}
.brand-logo-wrap{
  min-height:96px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:0;
  width:100%;
}
.brand-logo{
  max-width:300px;max-height:150px;
  width:auto;height:auto;object-fit:contain;
  filter:none;
  opacity:1;
}

@media(max-width:768px){
  .measure-grid{grid-template-columns:1fr;gap:32px;}
  .brands-top{flex-direction:column;align-items:flex-start;gap:16px;}
  .brands-top .sec-label{justify-content:flex-start;}
  .brands-grid{
    gap:24px 32px;
    padding:28px 20px;
  }
  .brand-card{flex-basis:calc(50% - 16px);}
}
@media(max-width:600px){
  .brands-grid{
    gap:20px;
    padding:24px 12px;
  }
  .brand-card{flex-basis:100%;}
  .brand-logo-wrap{min-height:88px;}
}

/*  FOTOĞRAF LİGHTBOX  */
.photo-lightbox{
  position:fixed;inset:0;z-index:700;
  background:rgba(0,0,0,.93);backdrop-filter:blur(12px);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .3s;
  padding:16px;
}
.photo-lightbox.open{opacity:1;pointer-events:all;}
.lb-box{
  position:relative;max-width:860px;width:100%;
  display:flex;flex-direction:column;gap:12px;
}
.lb-header{
  display:flex;align-items:center;justify-content:space-between;
}
.lb-title{font-family:'Bebas Neue',sans-serif;font-size:20px;letter-spacing:1px;}
.lb-counter{font-size:12px;color:var(--silver);opacity:.7;}
.lb-close-btn{
  background:rgba(79,195,247,.1);border:1.5px solid rgba(79,195,247,.25);
  color:var(--silver);width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .25s;
}
.lb-close-btn:hover{background:rgba(79,195,247,.2);color:var(--white);}
.lb-main{
  position:relative;
  background:var(--bg2);border:1px solid rgba(79,195,247,.15);
  overflow:hidden;border-radius:2px;
}
.lb-main img{
  width:100%;height:auto;max-height:70vh;object-fit:contain;
  display:block;transition:opacity .3s;
}
.lb-prev,.lb-next{
  position:absolute;top:50%;transform:translateY(-50%);
  background:rgba(0,0,0,.6);border:1.5px solid rgba(79,195,247,.25);
  color:var(--white);width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .25s;z-index:2;
}
.lb-prev{left:10px;} .lb-next{right:10px;}
.lb-prev:hover,.lb-next:hover{background:rgba(79,195,247,.25);border-color:var(--blue);}
.lb-thumbs{
  display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;
}
.lb-thumbs::-webkit-scrollbar{height:3px;}
.lb-thumbs::-webkit-scrollbar-thumb{background:rgba(79,195,247,.3);border-radius:2px;}
.lb-thumb{
  flex-shrink:0;width:72px;height:52px;overflow:hidden;
  border:2px solid transparent;cursor:pointer;transition:all .25s;opacity:.55;
}
.lb-thumb.active{border-color:var(--blue);opacity:1;}
.lb-thumb img{width:100%;height:100%;object-fit:cover;}
.photo-btn{
  position:relative;
  background:transparent;
  border:1.5px solid rgba(79,195,247,.3);
  color:var(--silver);
  padding:0;
  width:44px;height:36px;
  cursor:pointer;
  transition:all .25s;
  display:inline-flex;align-items:center;justify-content:center;
  overflow:hidden;
  flex-shrink:0;
}
/* Thumbnail preview  JS ile src atanır */
.photo-btn img.pb-thumb{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:.55;
  transition:opacity .25s;
}
/* Büyüteç ikonu üstte */
.photo-btn .pb-icon{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,.45);
  width:22px;height:22px;border-radius:50%;
  flex-shrink:0;
}
.photo-btn:hover{border-color:var(--blue);}
.photo-btn:hover img.pb-thumb{opacity:.75;}
.photo-btn:hover .pb-icon{background:rgba(79,195,247,.5);}

/* ── FOTOĞRAF GALERİSİ ── */
#galeri{
  background:
    radial-gradient(circle at 80% 20%,rgba(79,195,247,.07),transparent 40%),
    radial-gradient(circle at 10% 80%,rgba(0,229,192,.06),transparent 35%),
    linear-gradient(180deg,var(--bg) 0%,#08111d 100%);
}
.gallery-grid{
  columns:4;
  column-gap:10px;
  max-width:1100px;
  margin:0 auto;
}
.gallery-item{
  position:relative;
  break-inside:avoid;
  margin-bottom:10px;
  overflow:hidden;
  cursor:pointer;
  border:1px solid rgba(79,195,247,.1);
  transition:border-color .3s,transform .3s;
}
.gallery-item:hover{
  border-color:rgba(79,195,247,.45);
  transform:translateY(-3px);
}
.gallery-item img{
  width:100%;
  height:auto;
  display:block;
  transition:transform .45s ease,filter .45s ease;
}
.gallery-item:hover img{
  transform:scale(1.04);
  filter:brightness(0.75);
}
.gallery-overlay{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  opacity:0;
  background:linear-gradient(135deg,rgba(79,195,247,.18),rgba(0,229,192,.12));
  transition:opacity .3s;
  color:var(--blue);
}
.gallery-item:hover .gallery-overlay{opacity:1;}

@media(max-width:1024px){
  .gallery-grid{columns:3;}
}
@media(max-width:700px){
  .gallery-grid{columns:2;}
}
@media(max-width:400px){
  .gallery-grid{columns:1;}
}