/* kl-style.css v6 — Karachi Labs — Cinematic Gold */
:root{
  --bg:#080400;--bg2:#0e0700;--bg3:#050300;
  --gold:#c8860a;--gold-lt:#e8a020;--gold-dim:rgba(200,134,10,.2);
  --text:#f0e8d8;--text-dim:#9a8870;
  --card-bg:rgba(12,8,1,.96);--card-br:rgba(200,134,10,.16);
  --accent:#c8860a;--radius:14px;--tr:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;font-size:15px;line-height:1.6;overflow-x:hidden}

/* ── WebGL canvas ─────────────────────────────────────────────────── */
#kl-sand-gl{
  position:fixed;inset:0;
  width:100%;height:100%;
  z-index:200;           /* on top during intro */
  display:block;
  background:#0d0602;
}

/* ── Intro overlay ────────────────────────────────────────────────── */
#kl-intro{
  position:fixed;inset:0;z-index:210;
  display:flex;align-items:center;justify-content:center;
  pointer-events:none;
  background:linear-gradient(to bottom,rgba(15,6,0,.15) 0%,transparent 35%,rgba(10,4,0,.35) 100%);
}
#kl-intro-logo-img{
  width:clamp(120px,22vw,210px);
  opacity:0;
  filter:drop-shadow(0 0 50px rgba(200,134,10,.65));
}

/* ── Main — hidden until intro ends ──────────────────────────────── */
#kl-main{opacity:0;position:relative;z-index:1}

/* ── Nav ──────────────────────────────────────────────────────────── */
#kl-nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 5%;opacity:0;
  transition:background var(--tr),padding var(--tr),opacity .7s ease;
  background:linear-gradient(180deg,rgba(0,0,0,.55) 0%,transparent 100%);
}
#kl-nav.scrolled{
  background:rgba(8,4,0,.95);backdrop-filter:blur(14px);
  padding:14px 5%;border-bottom:1px solid var(--gold-dim);
}
.kl-nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.kl-nav-logo img{height:34px;border-radius:50%;transition:height var(--tr)}
#kl-nav.scrolled .kl-nav-logo img{height:26px}
.kl-nav-logo-name{
  font-family:'Cinzel',serif;
  font-size:.88rem;letter-spacing:.16em;
  color:rgba(240,220,160,.9);
}
.kl-nav-links{display:flex;align-items:center;gap:28px}
.kl-nav-links a{
  color:rgba(240,215,150,.65);
  font-family:'Cinzel',serif;
  font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;
  text-decoration:none;transition:color var(--tr);
}
.kl-nav-links a:hover{color:#f0d888}
.kl-nav-cta{
  color:rgba(240,200,100,.9)!important;
  border:1px solid rgba(200,134,10,.55);
  padding:7px 18px;
  transition:background var(--tr),border-color var(--tr)!important;
}
.kl-nav-cta:hover{
  background:rgba(200,134,10,.18)!important;
  border-color:var(--gold)!important;
}

/* Lang */
.kl-lang-wrap{position:relative}
#kl-lang-btn{
  background:none;border:1px solid rgba(200,134,10,.3);
  border-radius:6px;padding:6px 10px;
  color:rgba(240,215,150,.6);cursor:pointer;
  display:flex;align-items:center;gap:6px;
  font-size:.72rem;letter-spacing:.08em;
  transition:border-color var(--tr),color var(--tr);
}
#kl-lang-btn:hover{border-color:var(--gold);color:rgba(240,200,100,.9)}
#kl-lang-menu{
  display:none;position:absolute;top:calc(100% + 8px);right:0;
  background:rgba(12,7,0,.98);border:1px solid var(--gold-dim);
  border-radius:8px;overflow:hidden;min-width:120px;
  box-shadow:0 8px 30px rgba(0,0,0,.5);
}
[dir=rtl] #kl-lang-menu{right:auto;left:0}
#kl-lang-menu.open{display:block}
.kl-lang-option{
  display:block;width:100%;padding:9px 16px;
  background:none;border:none;
  color:var(--text-dim);cursor:pointer;font-size:.82rem;text-align:left;
  transition:background var(--tr),color var(--tr);
}
[dir=rtl] .kl-lang-option{text-align:right}
.kl-lang-option:hover,.kl-lang-option.active{background:var(--gold-dim);color:var(--gold)}

/* ── Hero ─────────────────────────────────────────────────────────── */
.kl-hero{
  position:relative;
  min-height:100dvh;
  display:flex;align-items:center;justify-content:center;
  background:transparent;   /* WebGL canvas shows through */
  overflow:hidden;
}

/* Subtle radial vignette so text is readable over sand */
.kl-hero-overlay{
  position:absolute;inset:0;
  background:radial-gradient(ellipse 90% 80% at 50% 55%,
    rgba(0,0,0,.05) 0%,
    rgba(0,0,0,.38) 70%,
    rgba(0,0,0,.72) 100%);
  pointer-events:none;
  z-index:1;
}

/* Centered hero content */
.kl-hero-content{
  position:relative;z-index:2;
  display:flex;flex-direction:column;
  align-items:center;text-align:center;
  gap:22px;
  padding:120px 6% 100px;
  max-width:820px;
}

/* Large logo circle */
.kl-hero-logo-img{
  width:clamp(120px,16vw,190px);
  height:clamp(120px,16vw,190px);
  border-radius:50%;
  object-fit:cover;
  border:2px solid rgba(210,148,10,.7);
  box-shadow:
    0 0 40px rgba(200,134,10,.40),
    0 0 90px rgba(180,100,0,.20),
    inset 0 0 20px rgba(0,0,0,.3);
  filter:drop-shadow(0 0 18px rgba(200,134,10,.35));
}

/* Brand name */
.kl-hero-brand{
  font-family:'Cinzel',serif;
  font-size:clamp(2.6rem,8.5vw,7.5rem);
  font-weight:700;
  color:#f0d080;
  text-shadow:
    0 0 60px rgba(200,134,10,.55),
    0 0 120px rgba(180,90,0,.25),
    0 3px 10px rgba(0,0,0,.9);
  letter-spacing:.08em;
  line-height:1;
}

/* Tagline dots */
.kl-hero-tagline{
  display:flex;align-items:center;gap:14px;
  font-family:'Cinzel',serif;
  font-size:clamp(.58rem,1.1vw,.8rem);
  letter-spacing:.32em;
  color:rgba(240,210,140,.72);
  text-transform:uppercase;
}
.kl-dia{
  color:var(--gold);
  font-size:.5rem;
  opacity:.85;
}

/* CTA button */
.kl-btn-hero{
  display:inline-flex;align-items:center;gap:14px;
  margin-top:8px;
  border:1px solid rgba(200,134,10,.65);
  background:rgba(200,134,10,.10);
  color:#f0d080;
  font-family:'Cinzel',serif;
  font-size:clamp(.62rem,.95vw,.8rem);
  letter-spacing:.26em;text-transform:uppercase;
  text-decoration:none;
  padding:15px 42px;
  transition:all .3s ease;
  backdrop-filter:blur(6px);
}
.kl-btn-hero:hover{
  background:rgba(200,134,10,.28);
  border-color:rgba(240,180,40,.9);
  box-shadow:0 0 28px rgba(200,134,10,.22);
  letter-spacing:.30em;
}

/* Social icons bottom-left */
.kl-hero-social{
  position:absolute;bottom:40px;left:44px;
  display:flex;flex-direction:column;align-items:center;gap:18px;
  z-index:3;
}
.kl-hero-social::before{
  content:'';display:block;
  width:1px;height:38px;
  background:linear-gradient(to bottom,transparent,rgba(200,134,10,.45));
  margin-bottom:4px;
}
.kl-hero-social a{
  color:rgba(240,210,140,.45);
  text-decoration:none;
  transition:color .25s ease,transform .2s ease;
}
.kl-hero-social a:hover{color:#f0d080;transform:scale(1.15)}
.kl-hero-social svg{width:17px;height:17px;display:block}

/* Scroll indicator bottom-center */
.kl-scroll-hint{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:5px;
  z-index:3;
  animation:kl-bounce 2.2s ease-in-out infinite;
}
.kl-scroll-hint svg{
  width:22px;height:22px;
  color:rgba(240,210,140,.38);
}
@keyframes kl-bounce{
  0%,100%{transform:translateX(-50%) translateY(0)}
  55%{transform:translateX(-50%) translateY(8px)}
}

/* ── Catalog ──────────────────────────────────────────────────────── */
.kl-catalog{
  padding:100px 6%;
  background:linear-gradient(to bottom,var(--bg),var(--bg2));
  position:relative;z-index:1;
}
.kl-section-header{text-align:center;margin-bottom:52px}
.kl-section-title{
  font-family:'Cinzel',serif;
  font-size:clamp(1.7rem,4vw,2.7rem);
  color:var(--text);margin-bottom:10px;
}
.kl-section-sub{color:var(--text-dim);font-size:.9rem}
.kl-section-line{width:48px;height:2px;background:var(--gold);margin:14px auto 0;border-radius:2px}

/* Tabs */
.kl-tabs{display:flex;justify-content:center;gap:8px;margin-bottom:44px;flex-wrap:wrap}
.kl-tab-btn{
  padding:8px 22px;border-radius:30px;
  background:none;border:1px solid var(--card-br);
  color:var(--text-dim);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  cursor:pointer;transition:all var(--tr);font-family:inherit;
}
.kl-tab-btn:hover{border-color:var(--gold);color:var(--gold)}
.kl-tab-btn.active{background:var(--gold);color:#0d0800;border-color:var(--gold);font-weight:700}

/* Grid */
#kl-catalog-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(195px,1fr));
  gap:20px;max-width:1200px;margin:0 auto;
}

/* Cards */
.kl-pcard{
  background:var(--card-bg);border:1px solid var(--card-br);
  border-radius:var(--radius);padding:22px 16px 18px;
  cursor:pointer;position:relative;overflow:hidden;
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.kl-pcard::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--accent);opacity:.55;transition:opacity var(--tr);
}
.kl-pcard:hover{transform:translateY(-5px);border-color:var(--accent);box-shadow:0 12px 40px rgba(0,0,0,.4)}
.kl-pcard:hover::before{opacity:1}
.kl-pcard-badge{display:inline-block;padding:3px 9px;border-radius:4px;font-size:.62rem;letter-spacing:.12em;font-weight:700;margin-bottom:12px}
.kl-pcard-badge.injectable{background:rgba(42,127,212,.16);color:#72b8f6}
.kl-pcard-badge.oral{background:rgba(200,134,10,.16);color:var(--gold)}
.kl-pcard-img-wrap{display:flex;justify-content:center;align-items:center;height:155px;margin-bottom:14px}
.kl-pcard-img{max-height:145px;max-width:100%;object-fit:contain;transition:transform var(--tr);filter:drop-shadow(0 4px 12px rgba(0,0,0,.45))}
.kl-pcard:hover .kl-pcard-img{transform:scale(1.06)}
.kl-pcard-name{font-size:.98rem;font-weight:700;color:var(--text);margin-bottom:3px}
.kl-pcard-generic{font-size:.7rem;color:var(--text-dim);margin-bottom:5px;line-height:1.4}
.kl-pcard-detail{font-size:.76rem;color:var(--accent);font-weight:600;letter-spacing:.06em}

/* ── Modal ────────────────────────────────────────────────────────── */
#kl-modal{
  position:fixed;inset:0;z-index:500;
  background:rgba(0,0,0,.72);backdrop-filter:blur(7px);
  display:none;align-items:center;justify-content:center;padding:20px;
}
#kl-modal.open{display:flex}
.klm-inner{
  background:var(--card-bg);border:1px solid var(--card-br);
  border-radius:20px;width:100%;max-width:800px;max-height:90dvh;
  overflow:hidden;display:grid;grid-template-columns:270px 1fr;
  position:relative;
}
.klm-close{
  position:absolute;top:14px;right:14px;
  background:none;border:1px solid var(--card-br);
  color:var(--text-dim);width:34px;height:34px;border-radius:50%;
  cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;
  transition:all var(--tr);z-index:2;
}
.klm-close:hover{border-color:var(--gold);color:var(--gold)}
[dir=rtl] .klm-close{right:auto;left:14px}
.klm-stage{
  background:rgba(0,0,0,.45);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:34px 20px;border-right:1px solid var(--card-br);
}
[dir=rtl] .klm-stage{border-right:none;border-left:1px solid var(--card-br)}
.klm-img{max-width:180px;max-height:195px;object-fit:contain;filter:drop-shadow(0 8px 20px rgba(0,0,0,.5))}
.klm-badge{margin-top:14px;padding:4px 12px;border-radius:4px;font-size:.66rem;letter-spacing:.12em;font-weight:700}
.klm-badge.injectable{background:rgba(42,127,212,.16);color:#72b8f6}
.klm-badge.oral{background:rgba(200,134,10,.16);color:var(--gold)}
.klm-detail{color:var(--text-dim);font-size:.72rem;margin-top:8px;letter-spacing:.06em}
.klm-info{padding:34px 28px;overflow-y:auto;display:flex;flex-direction:column;gap:22px}
.klm-name{font-family:'Cinzel',serif;font-size:1.65rem;color:var(--text);margin-bottom:4px}
.klm-generic{font-size:.8rem;color:var(--text-dim)}
.klm-bnf-title,.klm-usage-title{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.klm-bnf-list{list-style:none;display:flex;flex-direction:column;gap:7px}
.klm-bnf-list li{display:flex;align-items:flex-start;gap:10px;font-size:.86rem;color:var(--text-dim);line-height:1.5}
.klm-bnf-list li::before{content:'◆';font-size:.48rem;color:var(--accent);flex-shrink:0;margin-top:5px}
.klm-usage-text{font-size:.86rem;color:var(--text-dim);line-height:1.75}

/* ── Verify ───────────────────────────────────────────────────────── */
#verificar{
  padding:100px 6%;
  background:var(--bg2);
  position:relative;z-index:1;
}
.kl-verify-wrap{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.kl-verify-title{font-family:'Cinzel',serif;font-size:clamp(1.55rem,3.2vw,2.3rem);margin-bottom:12px}
.kl-verify-sub{color:var(--text-dim);font-size:.88rem;line-height:1.75;margin-bottom:28px}
.kl-verify-form{display:flex;gap:10px;max-width:460px}
#kl-verify-input{
  flex:1;background:rgba(255,255,255,.04);border:1px solid var(--card-br);
  border-radius:8px;padding:12px 16px;color:var(--text);font-size:.88rem;
  outline:none;transition:border-color var(--tr);font-family:inherit;
}
#kl-verify-input:focus{border-color:var(--gold)}
#kl-verify-btn{
  padding:12px 22px;background:var(--gold);color:#0d0800;
  border:none;border-radius:8px;font-weight:700;font-size:.8rem;
  letter-spacing:.08em;cursor:pointer;transition:background var(--tr);
  white-space:nowrap;font-family:inherit;
}
#kl-verify-btn:hover{background:var(--gold-lt)}
#kl-verify-btn:disabled{opacity:.6;cursor:not-allowed}
.kl-verify-result{margin-top:12px;font-size:.86rem;font-weight:600;min-height:20px}
.kl-verify-result.valid{color:#5dba6a}
.kl-verify-result.invalid{color:#e06060}

/* App card */
.kl-app-card{
  background:var(--card-bg);border:1px solid var(--card-br);
  border-radius:var(--radius);padding:30px;
  display:flex;flex-direction:column;gap:14px;align-items:flex-start;
}
.kl-app-logo{width:68px;height:68px;border-radius:14px;object-fit:cover}
.kl-app-title{font-family:'Cinzel',serif;font-size:1.15rem;color:var(--text)}
.kl-app-sub{color:var(--text-dim);font-size:.83rem;line-height:1.65}
.kl-app-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--gold);color:#0d0800;padding:10px 20px;border-radius:8px;
  font-size:.78rem;font-weight:700;letter-spacing:.06em;
  text-decoration:none;transition:background var(--tr);
}
.kl-app-btn:hover{background:var(--gold-lt)}

/* ── Footer ───────────────────────────────────────────────────────── */
.kl-footer{
  padding:32px 6%;border-top:1px solid var(--gold-dim);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;
  background:var(--bg3);
  position:relative;z-index:1;
}
.kl-footer-logo{display:flex;align-items:center;gap:10px}
.kl-footer-logo img{height:26px;border-radius:50%}
.kl-footer-name{font-family:'Cinzel',serif;font-size:.85rem;color:var(--text-dim)}
.kl-footer-rights{color:var(--text-dim);font-size:.76rem}

/* ── Mobile ───────────────────────────────────────────────────────── */
@media(max-width:720px){
  .kl-nav-logo-name{display:none}
  .kl-nav-links a:not(.kl-nav-cta):not(.kl-lang-wrap *){display:none}
  .kl-hero-content{padding:90px 5% 80px;gap:16px}
  .kl-hero-brand{letter-spacing:.04em}
  .kl-hero-tagline{font-size:.55rem;gap:8px;letter-spacing:.2em}
  .kl-hero-social{bottom:28px;left:22px}
  .kl-catalog{padding:70px 4%}
  #kl-catalog-grid{grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:14px}
  .kl-pcard{padding:16px 12px 14px}
  .kl-pcard-img-wrap{height:125px}
  .kl-pcard-img{max-height:115px}
  .klm-inner{grid-template-columns:1fr!important}
  .klm-stage{border-right:none!important;border-left:none!important;border-bottom:1px solid var(--card-br);padding:22px}
  .klm-img{max-height:130px}
  .klm-info{padding:22px 18px 28px}
  .klm-name{font-size:1.25rem}
  .kl-verify-wrap{grid-template-columns:1fr;gap:36px}
  .kl-verify-form{flex-direction:column}
  #kl-verify-btn{width:100%}
  #verificar{padding:70px 4%}
}