/* =========================================================
   IFR — Importadora Fedi-Retro S.A.S
   Design tokens
   ========================================================= */
:root{
  --black:#0c0c0d;
  --charcoal:#1a1a1c;
  --charcoal-2:#232326;
  --gray-900:#333336;
  --gray-600:#5b5d63;
  --gray-400:#8b8d93;
  --gray-200:#d8d9dc;
  --offwhite:#f2f1ee;
  --white:#ffffff;
  --yellow:#fbba00;
  --yellow-deep:#e29e00;
  --yellow-pale:#ffd75c;

  --display:'Oswald', 'Barlow Condensed', sans-serif;
  --body:'Barlow', 'Segoe UI', sans-serif;
  --mono:'Barlow Condensed', sans-serif;

  --container:1240px;
  --radius:2px;
  --ease:cubic-bezier(.19,1,.22,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--body);
  color:var(--charcoal);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--display);margin:0;text-transform:uppercase;letter-spacing:.01em;}
p{margin:0;}
.container{max-width:var(--container);margin:0 auto;padding:0 28px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ---------- diagonal slash signature (from the original catalog) ---------- */
.slash-group{display:flex;flex-direction:column;gap:4px;width:90px;}
.slash{height:6px;}
.slash.yellow{background:var(--yellow);}
.slash.white{background:var(--white);width:70%;}
.slash.dark{background:var(--charcoal);width:55%;}
.slash-group.on-light .slash.white{background:var(--gray-200);}
.slash-group.on-light .slash.dark{background:var(--charcoal);}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);
  font-weight:600;
  letter-spacing:.28em;
  text-transform:uppercase;
  font-size:13px;
  color:var(--yellow-deep);
}
.eyebrow::before{
  content:'';
  width:26px;height:3px;
  background:var(--yellow);
  display:inline-block;
}
.on-dark .eyebrow{color:var(--yellow);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--display);
  font-weight:600;
  font-size:15px;
  letter-spacing:.05em;
  text-transform:uppercase;
  padding:16px 30px;
  border:2px solid transparent;
  cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% 70%,94% 100%,0 100%);
  transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s;
}
.btn-primary{background:var(--yellow);color:var(--black);}
.btn-primary:hover{background:var(--yellow-pale);transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.5);color:var(--white);}
.btn-outline:hover{border-color:var(--yellow);color:var(--yellow);transform:translateY(-2px);}
.btn-dark{background:var(--charcoal);color:var(--white);}
.btn-dark:hover{background:var(--black);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(12,12,13,.72);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s;
}
.site-header.scrolled{background:rgba(12,12,13,.96);}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  font-family:var(--display);
  font-weight:700;
  font-size:30px;
  letter-spacing:.02em;
  color:var(--white);
  line-height:1;
}
.brand-mark span{color:var(--yellow);}
.brand-sub{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gray-400);
  border-left:2px solid var(--yellow);
  padding-left:10px;
  line-height:1.25;
}
.nav-links{
  display:flex;align-items:center;justify-content:center;gap:38px;
  position:fixed;top:0;left:0;width:100%;height:76px;
  z-index:1001;
  pointer-events:none;
}
.nav-links a{pointer-events:auto;}
.nav-links a{
  font-family:var(--display);
  font-size:14px;
  font-weight:500;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--gray-200);
  position:relative;
  padding:6px 0;
  transition:color .2s;
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--yellow);transition:width .25s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--white);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-cta{display:flex;align-items:center;gap:18px;}
.nav-cta .btn{padding:12px 22px;font-size:13px;}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px;}
.hamburger span{width:26px;height:2px;background:var(--white);display:block;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;align-items:flex-end;
  background:var(--black);
  overflow:hidden;
}
.hero-media{
  position:absolute;inset:0;
}
.hero-media img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(35%) brightness(.55) contrast(1.1);
}
.hero-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(10,10,11,.97) 6%,rgba(10,10,11,.55) 46%,rgba(10,10,11,.35) 70%,rgba(10,10,11,.75) 100%);
}
.hero-cut{
  position:absolute;top:0;right:0;bottom:0;
  width:46%;
  background:var(--yellow);
  clip-path:polygon(38% 0,100% 0,100% 100%,0% 100%);
  opacity:.94;
}
.hero-cut::before{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(rgba(0,0,0,.09) 1.6px,transparent 1.6px);
  background-size:14px 14px;
  mix-blend-mode:multiply;
}
.hero-ifr-mark{
  position:absolute;right:4%;top:50%;transform:translateY(-50%);
  font-family:var(--display);
  font-weight:700;
  font-size:min(26vw,300px);
  line-height:.8;
  color:rgba(0,0,0,.08);
  letter-spacing:-.02em;
  user-select:none;
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  width:100%;
  padding:180px 0 90px;
}
.hero-eyebrow{
  color:var(--yellow);
  font-family:var(--mono);
  letter-spacing:.32em;
  text-transform:uppercase;
  font-size:14px;
  font-weight:600;
  display:flex;align-items:center;gap:12px;
  margin-bottom:22px;
}
.hero-eyebrow::before{content:'';width:40px;height:3px;background:var(--yellow);}
.hero h1{
  color:var(--white);
  font-size:clamp(40px,6.4vw,86px);
  line-height:.98;
  max-width:820px;
}
.hero h1 em{
  font-style:normal;
  color:var(--yellow);
}
.hero-lede{
  margin-top:26px;
  max-width:560px;
  font-size:18px;
  line-height:1.6;
  color:var(--gray-200);
}
.hero-actions{
  display:flex;gap:18px;margin-top:44px;flex-wrap:wrap;
}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,auto);
  gap:52px;
  margin-top:76px;
  padding-top:34px;
  border-top:1px solid rgba(255,255,255,.15);
  max-width:820px;
}
.hero-stats .num{
  font-family:var(--display);font-size:38px;color:var(--yellow);line-height:1;
}
.hero-stats .lbl{
  margin-top:8px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--gray-400);
}
.scroll-cue{
  position:absolute;left:28px;bottom:28px;z-index:2;
  display:flex;align-items:center;gap:12px;
  color:var(--gray-400);font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
}
.scroll-cue .line{width:1px;height:38px;background:linear-gradient(var(--yellow),transparent);}

/* ---------- brand marquee ---------- */
.brand-strip{
  background:var(--charcoal);
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:22px 0;
  overflow:hidden;
}
.marquee{
  display:flex;
  width:max-content;
  animation:scroll-left 32s linear infinite;
}
.marquee-set{display:flex;align-items:center;}
.marquee span{
  font-family:var(--display);
  font-size:20px;
  font-weight:500;
  letter-spacing:.06em;
  color:var(--gray-400);
  padding:0 34px;
  border-right:1px solid rgba(255,255,255,.12);
  white-space:nowrap;
  transition:color .2s;
}
@keyframes scroll-left{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- section basics ---------- */
section{position:relative;}
.section-pad{padding:110px 0;}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:40px;
  margin-bottom:56px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(30px,4vw,50px);margin-top:14px;line-height:1.02;}
.section-head p{max-width:480px;color:var(--gray-600);font-size:16px;line-height:1.65;}
.bg-offwhite{background:var(--offwhite);}
.bg-dark{background:var(--black);color:var(--white);}
.bg-dark .section-head p{color:var(--gray-400);}
.bg-charcoal{background:var(--charcoal);color:var(--white);}

/* ---------- productos: category grid ---------- */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
  background:var(--black);
}
.cat-card{
  position:relative;
  aspect-ratio:4/4.6;
  overflow:hidden;
  display:flex;flex-direction:column;justify-content:flex-end;
  cursor:pointer;
  background:var(--charcoal);
  isolation:isolate;
}
.cat-media{display:contents;}
.cat-media img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center center;
  transition:transform .7s var(--ease),filter .5s;
  filter:grayscale(60%) brightness(.62);
  z-index:-2;
}
.cat-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(10,10,10,.95) 10%,rgba(10,10,10,.35) 55%,rgba(10,10,10,.15) 100%);
  z-index:-1;
}
.cat-card:hover .cat-media img{transform:scale(1.08);filter:grayscale(10%) brightness(.5);}
.cat-media img.fit-contain{
  object-fit:contain;
  background:radial-gradient(120% 120% at 50% 45%,#2a2a2d 0%,#141415 100%);
  padding:18px;
}
.cat-num{
  position:absolute;top:24px;right:26px;
  font-family:var(--display);
  font-size:15px;
  color:rgba(255,255,255,.55);
  letter-spacing:.1em;
}
.cat-body{padding:28px 28px 32px;position:relative;}
.cat-body .tag{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--yellow);margin-bottom:10px;display:block;
}
.cat-body h3{color:var(--white);font-size:24px;line-height:1.08;margin-bottom:14px;}
.cat-body .desc{
  color:var(--gray-200);font-size:13.5px;line-height:1.55;
  max-height:0;opacity:0;overflow:hidden;
  transition:max-height .4s var(--ease),opacity .3s,margin .3s;
}
.cat-card:hover .desc{max-height:90px;opacity:1;margin-bottom:14px;}
.cat-link{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--display);font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--white);
  border-bottom:2px solid var(--yellow);
  padding-bottom:4px;
  width:max-content;
}
.cat-link .arrow{transition:transform .25s var(--ease);}
.cat-card:hover .cat-link .arrow{transform:translateX(6px);}

@media(max-width:900px){
  .cat-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:560px){
  .cat-grid{grid-template-columns:1fr;}
}

/* ---------- category detail sections ---------- */
.cat-detail{padding:100px 0;border-top:1px solid var(--gray-200);}
.cat-detail:nth-of-type(even){background:var(--offwhite);}
.detail-grid{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center;
}
.detail-media{position:relative;}
.detail-media .frame{
  position:relative;
  background:var(--charcoal);
  padding:22px;
  clip-path:polygon(0 0,100% 0,100% 92%,92% 100%,0 100%);
}
.detail-media img{width:100%;aspect-ratio:4/3.3;object-fit:contain;background:var(--white);}
.detail-media .frame.on-yellow{background:var(--yellow);}
.detail-media .frame.on-yellow img{background:transparent;}
.detail-media .idx{
  position:absolute;left:-18px;top:-18px;
  width:64px;height:64px;
  background:var(--yellow);color:var(--black);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--display);font-size:24px;font-weight:700;
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
  z-index:3;
}
.detail-copy h2{font-size:clamp(28px,3.4vw,42px);margin:16px 0 20px;line-height:1.05;}
.detail-copy .lede{font-size:16.5px;line-height:1.7;color:var(--gray-600);max-width:560px;}
.spec-list{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:14px 28px;}
.spec-list li{
  font-size:14.5px;color:var(--charcoal);
  padding-left:18px;position:relative;line-height:1.5;
}
.spec-list li::before{
  content:'';position:absolute;left:0;top:8px;width:8px;height:8px;background:var(--yellow);
}
.model-tags{margin-top:28px;display:flex;flex-wrap:wrap;gap:8px;}
.model-tags span{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.03em;
  border:1px solid var(--gray-200);color:var(--gray-600);
  padding:6px 12px;
}
.brand-row{margin-top:30px;}
.brand-row .lbl{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--yellow-deep);margin-bottom:10px;display:block;
}
.brand-row .names{font-family:var(--display);font-size:15px;color:var(--charcoal);letter-spacing:.02em;}
.detail-cta{margin-top:36px;display:flex;gap:16px;flex-wrap:wrap;}

.gallery-strip{margin-top:60px;}
.gallery-strip .cap{
  font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--gray-400);
  margin-bottom:16px;
}
.gallery-strip .frame-img{
  border:1px solid var(--gray-200);
}
.gallery-strip img{width:100%;display:block;}

@media(max-width:920px){
  .detail-grid{grid-template-columns:1fr;gap:40px;}
  .spec-list{grid-template-columns:1fr 1fr;}
}

/* ---------- instalaciones ---------- */
.installs-grid{
  display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:2px;
}
.installs-grid figure{margin:0;overflow:hidden;position:relative;aspect-ratio:1/1;}
.installs-grid img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);filter:grayscale(15%);}
.installs-grid figure:hover img{transform:scale(1.06);filter:grayscale(0%);}
.installs-grid figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:18px 20px;
  background:linear-gradient(0deg,rgba(0,0,0,.75),transparent);
  color:var(--white);font-family:var(--display);font-size:13px;letter-spacing:.05em;text-transform:uppercase;
}
@media(max-width:800px){.installs-grid{grid-template-columns:1fr 1fr;}.installs-grid figure:first-child{grid-column:1/-1;}}

/* ---------- contact ---------- */
.contact-wrap{
  display:grid;grid-template-columns:1fr 1fr;
  background:var(--black);
  color:var(--white);
}
.contact-info{padding:100px 60px;}
.contact-info h2{font-size:clamp(30px,4vw,48px);color:var(--white);margin-top:14px;}
.contact-info .lede{margin-top:18px;color:var(--gray-400);font-size:16px;max-width:440px;line-height:1.65;}
.contact-list{margin-top:46px;display:flex;flex-direction:column;gap:26px;}
.contact-list li{display:flex;gap:18px;align-items:flex-start;}
.contact-list .ic{
  width:44px;height:44px;flex:0 0 44px;
  background:var(--yellow);color:var(--black);
  display:flex;align-items:center;justify-content:center;
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
}
.contact-list .lbl{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--gray-400);margin-bottom:4px;}
.contact-list .val{font-size:16px;color:var(--white);line-height:1.5;}
.contact-list .val a{border-bottom:1px solid transparent;transition:border-color .2s,color .2s;}
.contact-list .val a:hover{border-color:var(--yellow);color:var(--yellow);}
.social-row{margin-top:44px;display:flex;gap:14px;}
.social-row a{
  width:46px;height:46px;border:1px solid rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s,border-color .2s;
}
.social-row a:hover{background:var(--yellow);border-color:var(--yellow);}
.social-row a:hover svg{stroke:var(--black);fill:var(--black);}
.contact-media{position:relative;min-height:420px;}
.contact-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;filter:grayscale(40%) brightness(.7);}
.contact-media::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(100deg,var(--black) 0%,rgba(12,12,13,.2) 32%,transparent 60%);
  z-index:1;
}
.contact-media .badge{
  position:absolute;z-index:2;bottom:40px;right:40px;
  background:var(--yellow);color:var(--black);
  padding:22px 26px;max-width:260px;
  clip-path:polygon(0 0,100% 0,100% 82%,88% 100%,0 100%);
}
.contact-media .badge .num{font-family:var(--display);font-size:30px;line-height:1;}
.contact-media .badge .lbl{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-top:6px;}

@media(max-width:900px){
  .contact-wrap{grid-template-columns:1fr;}
  .contact-info{padding:70px 28px;}
  .contact-media{min-height:300px;}
}

/* ---------- footer ---------- */
.site-footer{background:var(--charcoal);color:var(--gray-400);padding:56px 0 26px;}
.footer-top{
  display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-mark{font-size:28px;}
.footer-brand p{margin-top:14px;max-width:320px;font-size:14px;line-height:1.6;color:var(--gray-400);}
.footer-cols{display:flex;gap:70px;flex-wrap:wrap;}
.footer-col .lbl{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--yellow);
  margin-bottom:16px;display:block;
}
.footer-col li{margin-bottom:10px;font-size:14px;}
.footer-col a:hover{color:var(--white);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;padding-top:24px;flex-wrap:wrap;gap:12px;
  font-size:12.5px;letter-spacing:.02em;
}

/* ---------- whatsapp float ---------- */
.wa-float{
  position:fixed;right:26px;bottom:26px;z-index:900;
  width:60px;height:60px;border-radius:50%;
  background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(0,0,0,.35);
  transition:transform .25s var(--ease);
}
.wa-float:hover{transform:scale(1.08);}

/* ---------- reveal-on-scroll (progressive enhancement: visible by default, only
   animates if JS is available and adds the .js class) ---------- */
.reveal{transition:opacity .7s var(--ease),transform .7s var(--ease);}
.js .reveal{opacity:0;transform:translateY(26px);}
.js .reveal.in{opacity:1;transform:translateY(0);}

/* ---------- mobile nav ---------- */
@media(max-width:960px){
  .nav-links{
    position:fixed;top:76px;left:0;right:0;bottom:0;width:auto;height:auto;
    transform:translateX(100%);
    background:var(--black);
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    padding:40px 28px;
    gap:26px;
    pointer-events:auto;
    transition:transform .35s var(--ease);
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:20px;}
  .nav-cta{display:none;}
  .hamburger{display:flex;}
  .brand-sub{display:none;}
}

@media(max-width:640px){
  .section-pad{padding:70px 0;}
  .hero-inner{padding:150px 0 60px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:32px;}
  .hero-cut{width:70%;opacity:.5;}
}