/* ===========================================================
   KT SURGICO — design
   =========================================================== */
:root{
  --bg-primary:#0E1214;
  --bg-secondary:#171B1E;
  --bg-elevated:#1E2427;
  --steel:#93A4AC;
  --text-primary:#EDF2F3;
  --text-muted:#8B969C;
  --accent:#1FB3A0;
  --accent-dark:#158E80;
  --gold:#C7A252;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.14);
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}

*{scroll-behavior:smooth;}

body{
  background:var(--bg-primary);
  color:var(--text-primary);
  font-family:var(--font-body);
  overflow-x:hidden;
}

::selection{background:var(--accent); color:#0E1214;}

a{text-decoration:none; color:inherit;}

.kt-eyebrow{
  font-family:var(--font-mono);
  color:var(--accent);
  letter-spacing:.08em;
  font-size:.78rem;
  margin-bottom:.9rem;
}

.kt-h2{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(1.9rem, 3.2vw, 2.7rem);
  line-height:1.15;
  margin-bottom:1.1rem;
  color:var(--text-primary);
}

.kt-body-muted{
  color:var(--text-muted);
  line-height:1.7;
  font-size:1.02rem;
}

.kt-section{padding:6.5rem 0;}
.kt-section-alt{background:var(--bg-secondary); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}

.kt-accent-text{color:var(--accent);}

.kt-link-arrow{
  display:inline-flex; align-items:center; gap:.4rem;
  color:var(--accent); font-weight:600; margin-top:.5rem;
  font-size:.95rem;
  transition:gap .25s ease;
}
.kt-link-arrow:hover{gap:.75rem; color:var(--accent);}

/* ===========================================================
   Buttons
   =========================================================== */
.kt-btn-accent{
  background:var(--accent);
  color:#08211D;
  border:1px solid var(--accent);
  font-weight:600;
  border-radius:2px;
  transition:all .25s ease;
}
.kt-btn-accent:hover{background:var(--accent-dark); border-color:var(--accent-dark); color:#08211D; transform:translateY(-2px);}

.kt-btn-outline{
  background:transparent;
  color:var(--text-primary);
  border:1px solid var(--line-strong);
  border-radius:2px;
  font-weight:600;
  transition:all .25s ease;
}
.kt-btn-outline:hover{border-color:var(--accent); color:var(--accent); transform:translateY(-2px);}

/* ===========================================================
   Navbar
   =========================================================== */
.kt-navbar{
  padding:1.1rem 0;
  background:transparent;
  transition:background .3s ease, padding .3s ease, border-color .3s ease;
  border-bottom:1px solid transparent;
}
.kt-navbar.kt-scrolled{
  background:rgba(14,18,20,0.92);
  backdrop-filter:blur(10px);
  padding:.7rem 0;
  border-bottom:1px solid var(--line);
}
.kt-brand{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.25rem;
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  color:var(--text-primary);
}
.kt-brand-mark{
  background:var(--accent);
  color:#08211D;
  padding:.15rem .45rem;
  border-radius:2px;
  font-size:1rem;
}
.kt-brand-text{letter-spacing:.04em;}

.kt-navbar .nav-link{
  color:var(--steel);
  font-weight:500;
  font-size:.92rem;
  padding:.5rem 1rem !important;
  transition:color .2s ease;
}
.kt-navbar .nav-link:hover{color:var(--text-primary);}

/* ===========================================================
   Hero / slider
   =========================================================== */
.kt-hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:stretch;
  background:#08090A;
  overflow:hidden;
}

.kt-hero-grid{
  position:absolute; inset:0; z-index:2; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0.15) 70%);
}

.kt-carousel, .kt-carousel .carousel-inner, .kt-carousel .carousel-item{
  height:100vh;
  width:100%;
}
.kt-carousel .carousel-item{
  background:#08090A;
}

.kt-slide{
  width:100%; height:100%;
  background-size:cover;
  background-position:center;
  position:relative;
}
.kt-slide::after{
  content:'';
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(8,9,10,0.55) 0%, rgba(8,9,10,0.75) 55%, rgba(8,9,10,0.96) 100%),
    linear-gradient(90deg, rgba(8,9,10,0.85) 0%, rgba(8,9,10,0.35) 55%, rgba(8,9,10,0.75) 100%);
}

.kt-slide-1{background-image:url('https://images.unsplash.com/photo-1551601651-2a8555f1a136?q=80&w=1800&auto=format&fit=crop');}
.kt-slide-2{background-image:url('https://images.unsplash.com/photo-1588776814546-1ffcf47267a5?q=80&w=1800&auto=format&fit=crop');}
.kt-slide-3{background-image:url('https://images.unsplash.com/photo-1579154204601-01588f351e67?q=80&w=1800&auto=format&fit=crop');}

.kt-hero-content{
  position:absolute; z-index:3; left:0; right:0;
  bottom:6rem;
}

.kt-eyebrow{
  animation:none;
}

.kt-hero-title{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(2.4rem, 5.4vw, 4.4rem);
  line-height:1.08;
  color:var(--text-primary);
  margin-bottom:1.3rem;
  letter-spacing:-.01em;
}

.kt-hero-sub{
  color:var(--steel);
  font-size:1.08rem;
  max-width:640px;
  line-height:1.7;
}

/* hero arrows */
.kt-hero-arrow{
  position:absolute; z-index:4; top:50%;
  transform:translateY(-50%);
  width:54px; height:54px;
  border-radius:50%;
  background:rgba(14,18,20,0.45);
  border:1px solid var(--line-strong);
  color:var(--text-primary);
  display:flex; align-items:center; justify-content:center;
  font-size:1.15rem;
  backdrop-filter:blur(6px);
  cursor:pointer;
  transition:background .25s ease, border-color .25s ease, color .25s ease, transform .25s ease;
}
.kt-hero-arrow:hover{
  background:var(--accent);
  border-color:var(--accent);
  color:#08211D;
  transform:translateY(-50%) scale(1.06);
}
.kt-hero-arrow-prev{left:2rem;}
.kt-hero-arrow-next{right:2rem;}

.kt-scroll-cue{
  position:absolute; z-index:4; right:2rem; bottom:3rem;
  width:26px; height:44px;
  border:1px solid var(--line-strong);
  border-radius:20px;
  display:flex; justify-content:center; padding-top:8px;
}
.kt-scroll-cue span{
  width:4px; height:8px; border-radius:2px;
  background:var(--accent);
  animation:scrollCue 1.8s infinite;
}
@keyframes scrollCue{
  0%{transform:translateY(0); opacity:1;}
  70%{transform:translateY(12px); opacity:0;}
  100%{opacity:0;}
}

@media (max-width:991px){
  .kt-hero-content{bottom:5rem;}
  .kt-hero-arrow{width:42px; height:42px; font-size:1rem;}
  .kt-hero-arrow-prev{left:1rem;}
  .kt-hero-arrow-next{right:1rem;}
  .kt-scroll-cue{display:none;}
}

/* ===========================================================
   Certification marquee
   =========================================================== */
.kt-marquee-wrap{
  background:var(--bg-secondary);
  border-bottom:1px solid var(--line);
  overflow:hidden;
  padding:1rem 0;
}
.kt-marquee-track{
  display:flex;
  width:max-content;
  animation:marquee 22s linear infinite;
}
.kt-marquee-track span{
  font-family:var(--font-mono);
  color:var(--steel);
  font-size:.85rem;
  letter-spacing:.06em;
  padding:0 2.2rem;
  border-right:1px solid var(--line);
  white-space:nowrap;
}
@keyframes marquee{
  0%{transform:translateX(0);}
  100%{transform:translateX(-50%);}
}

/* ===========================================================
   Stats
   =========================================================== */
.kt-stat{
  border:1px solid var(--line);
  background:var(--bg-secondary);
  padding:1.7rem 1.6rem;
  border-radius:3px;
  transition:border-color .25s ease, transform .25s ease;
}
.kt-stat:hover{border-color:var(--accent); transform:translateY(-4px);}
.kt-stat-num{
  font-family:var(--font-display);
  font-size:2.4rem;
  font-weight:700;
  color:var(--accent);
  line-height:1;
}
.kt-stat-label{
  color:var(--text-muted);
  font-size:.88rem;
  margin-top:.5rem;
}

/* ===========================================================
   Category cards (image, name, short description)
   =========================================================== */
.kt-category-card{
  display:block;
  border:1px solid var(--line);
  border-radius:3px;
  overflow:hidden;
  background:var(--bg-primary);
  height:100%;
  transition:border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.kt-category-card:hover{
  border-color:var(--accent);
  transform:translateY(-6px);
  box-shadow:0 20px 40px -20px rgba(31,179,160,0.25);
}
.kt-category-img{
  height:260px;
  background-size:cover;
  background-position:center;
  position:relative;
  transition:transform .5s ease;
}
.kt-category-card:hover .kt-category-img{transform:scale(1.04);}
.kt-category-img::after{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(8,9,10,0) 40%, rgba(8,9,10,0.75) 100%);
}
.kt-category-body{
  padding:1.6rem 1.7rem 1.9rem;
}
.kt-category-title{
  font-family:var(--font-display);
  font-weight:600;
  font-size:1.25rem;
  margin-bottom:.6rem;
  color:var(--text-primary);
}
.kt-category-desc{
  color:var(--text-muted);
  font-size:.92rem;
  line-height:1.6;
  margin:0;
}

/* ===========================================================
   Featured product cards
   =========================================================== */
.kt-product-card{
  border:1px solid var(--line);
  border-radius:3px;
  overflow:hidden;
  background:var(--bg-primary);
  height:100%;
  display:flex;
  flex-direction:column;
  transition:border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.kt-product-card:hover{
  border-color:var(--accent);
  transform:translateY(-6px);
  box-shadow:0 20px 40px -20px rgba(31,179,160,0.25);
}
.kt-product-img{
  height:190px;
  background-size:cover;
  background-position:center;
  position:relative;
}
.kt-product-tag{
  position:absolute; top:.9rem; left:.9rem;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.05em;
  background:rgba(8,9,10,0.7);
  color:var(--accent);
  border:1px solid var(--line-strong);
  padding:.25rem .55rem;
  border-radius:2px;
  backdrop-filter:blur(4px);
}
.kt-product-body{
  padding:1.3rem 1.4rem 1.5rem;
  display:flex;
  flex-direction:column;
  flex:1;
}
.kt-product-title{
  font-family:var(--font-display);
  font-weight:600;
  font-size:1.02rem;
  margin-bottom:.5rem;
  color:var(--text-primary);
}
.kt-product-spec{
  font-family:var(--font-mono);
  color:var(--text-muted);
  font-size:.76rem;
  margin-bottom:1.1rem;
  line-height:1.5;
}
.kt-product-cta{
  margin-top:auto;
  color:var(--accent);
  font-weight:600;
  font-size:.85rem;
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  transition:gap .25s ease;
}
.kt-product-cta:hover{gap:.7rem; color:var(--accent);}

/* ===========================================================
   Manufacturing process (signature scroll-drawn line)
   =========================================================== */
.kt-process{position:relative;}
.kt-process-line{
  width:100%; height:2px; display:block;
  margin-bottom:2.5rem;
}
.kt-process-line line{
  stroke:var(--line-strong);
  stroke-width:2;
  stroke-dasharray:1000;
  stroke-dashoffset:1000;
  transition:stroke-dashoffset 1.6s ease;
}
.kt-process-line.kt-drawn line{
  stroke-dashoffset:0;
  stroke:var(--accent);
}
.kt-step{
  text-align:left;
  padding-right:1rem;
  position:relative;
}
.kt-step-num{
  font-family:var(--font-mono);
  color:var(--accent);
  font-size:.85rem;
  display:block;
  margin-bottom:.6rem;
}
.kt-step h4{
  font-family:var(--font-display);
  font-weight:600;
  font-size:1.05rem;
  margin-bottom:.5rem;
}
.kt-step p{
  color:var(--text-muted);
  font-size:.85rem;
  line-height:1.6;
}

/* ===========================================================
   Quality panel
   =========================================================== */
.kt-check{
  display:flex; align-items:center; gap:.6rem;
  font-size:.92rem;
  color:var(--text-primary);
}
.kt-check i{color:var(--accent);}

.kt-quality-panel{
  background:var(--bg-elevated);
  border:1px solid var(--line);
  border-radius:3px;
  padding:.5rem 1.6rem;
}
.kt-quality-row{
  display:flex; justify-content:space-between; gap:1rem;
  padding:1.1rem 0;
  border-bottom:1px solid var(--line);
  font-size:.9rem;
}
.kt-quality-row:last-child{border-bottom:none;}
.kt-quality-row span:first-child{color:var(--text-muted); font-family:var(--font-mono); font-size:.8rem;}
.kt-quality-row span:last-child{color:var(--text-primary); font-weight:500; text-align:right;}

/* ===========================================================
   Global reach
   =========================================================== */
.kt-region-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1rem;
}
.kt-region{
  display:flex; align-items:flex-start; gap:.9rem;
  border:1px solid var(--line);
  padding:1.3rem;
  border-radius:3px;
  background:var(--bg-secondary);
  transition:border-color .25s ease;
}
.kt-region:hover{border-color:var(--accent);}
.kt-region i{color:var(--accent); font-size:1.2rem; margin-top:.2rem;}
.kt-region h5{font-family:var(--font-display); font-size:.98rem; margin-bottom:.2rem;}
.kt-region p{color:var(--text-muted); font-size:.85rem; margin:0;}

/* ===========================================================
   Inquiry form
   =========================================================== */
.kt-inquiry-section{
  background:var(--bg-secondary);
  border-top:1px solid var(--line);
}
.kt-contact-line{
  display:flex; align-items:center; gap:.7rem;
  color:var(--text-muted);
  font-size:.92rem;
  margin-top:.7rem;
}
.kt-contact-line i{color:var(--accent);}

.kt-form{
  background:var(--bg-primary);
  border:1px solid var(--line);
  border-radius:3px;
  padding:2.2rem;
}
.kt-label{
  font-family:var(--font-mono);
  font-size:.76rem;
  color:var(--text-muted);
  letter-spacing:.05em;
  margin-bottom:.4rem;
  display:block;
}
.kt-input{
  background:var(--bg-elevated) !important;
  border:1px solid var(--line-strong) !important;
  color:var(--text-primary) !important;
  border-radius:2px !important;
  padding:.7rem .9rem !important;
  font-size:.92rem !important;
}
.kt-input:focus{
  box-shadow:0 0 0 3px rgba(31,179,160,0.18) !important;
  border-color:var(--accent) !important;
}
.kt-input::placeholder{color:#5C666B;}
select.kt-input{color:var(--text-primary) !important;}
.kt-form-success{
  color:var(--accent);
  font-size:.92rem;
  display:flex; align-items:center; gap:.5rem;
}

/* ===========================================================
   Footer
   =========================================================== */
.kt-footer{
  background:#08090A;
  padding:5rem 0 2rem;
  border-top:1px solid var(--line);
}
.kt-footer-head{
  font-family:var(--font-mono);
  font-size:.78rem;
  color:var(--text-muted);
  letter-spacing:.08em;
  margin-bottom:1rem;
}
.kt-footer-list{list-style:none; padding:0; margin:0;}
.kt-footer-list li{margin-bottom:.6rem;}
.kt-footer-list a{color:var(--steel); font-size:.9rem; transition:color .2s ease;}
.kt-footer-list a:hover{color:var(--accent);}
.kt-social a{
  width:36px; height:36px;
  border:1px solid var(--line-strong);
  border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  color:var(--steel);
  transition:all .25s ease;
}
.kt-social a:hover{border-color:var(--accent); color:var(--accent); transform:translateY(-3px);}
.kt-footer-rule{border-color:var(--line); margin:3rem 0 1.5rem;}
.kt-footer-copy{color:var(--text-muted); font-size:.82rem;}

/* ===========================================================
   Back to top
   =========================================================== */
.kt-back-to-top{
  position:fixed;
  right:1.6rem; bottom:1.6rem;
  width:48px; height:48px;
  border-radius:50%;
  background:var(--accent);
  color:#08211D;
  border:none;
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem;
  cursor:pointer;
  z-index:999;
  opacity:0; visibility:hidden;
  transform:translateY(16px);
  transition:opacity .3s ease, transform .3s ease, visibility .3s ease, background .25s ease;
  box-shadow:0 8px 24px -6px rgba(31,179,160,0.5);
}
.kt-back-to-top.show{opacity:1; visibility:visible; transform:translateY(0);}
.kt-back-to-top:hover{background:var(--accent-dark);}

/* ===========================================================
   Misc responsive
   =========================================================== */
@media (max-width:767px){
  .kt-section{padding:4.5rem 0;}
  .kt-region-grid{grid-template-columns:1fr;}
}