/* =========================================================
   CALZA TEXTILES — design tokens
   ========================================================= */
:root{
  --cream:      #F3EFE6;
  --cream-2:    #EAE1CC;
  --ink:        #18140F;
  --ink-70:     rgba(24,20,15,.7);
  --ink-45:     rgba(24,20,15,.45);
  --brick:      #A23A29;
  --brick-dark: #7A2A1D;
  --gold:       #B4863A;
  --line:       rgba(24,20,15,.14);
  --line-soft:  rgba(24,20,15,.08);
  --paper:      #FBF9F4;

  --font-display: "Fraunces", Georgia, serif;
  --font-body:    "General Sans", "Inter", -apple-system, sans-serif;
  --font-label:   "IBM Plex Mono", ui-monospace, monospace;

  --wrap: 1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}

.eyebrow{
  font-family:var(--font-label);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brick);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{
  content:"";
  width:16px;height:1px;background:var(--brick);
  display:inline-block;
}

/* stitch divider — signature motif */
.stitch{
  border:0;
  height:0;
  border-top:2px dashed var(--line);
  margin:0;
}
.stitch--light{border-top-color:rgba(251,249,244,.22)}

section{position:relative}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease, transform .7s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  font-family:var(--font-label);
  font-size:13px;
  letter-spacing:.06em;
  text-transform:uppercase;
  border-radius:2px;
  transition:transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--brick)}
.btn-outline{border:1px solid var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-ghost{border:1px solid rgba(251,249,244,.35);color:var(--paper)}
.btn-ghost:hover{background:var(--paper);color:var(--ink)}
.btn-wa{background:var(--brick);color:var(--paper)}
.btn-wa:hover{background:var(--brick-dark)}
.btn svg{width:16px;height:16px;flex:none}

/* =========================================================
   TOP BAR + HEADER
   ========================================================= */
.topbar{
  background:var(--ink);
  color:rgba(251,249,244,.75);
  font-family:var(--font-label);
  font-size:12px;
  letter-spacing:.04em;
}
.topbar .wrap{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:9px;padding-bottom:9px;
  flex-wrap:wrap;gap:6px;
}
.topbar a{color:var(--paper)}
.topbar a:hover{color:var(--gold)}

header.site{
  background:var(--cream);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
header.site .wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:18px;padding-bottom:18px;
}
.logo{display:flex;flex-direction:column;line-height:1}
.logo strong{
  font-family:var(--font-display);
  font-size:26px;letter-spacing:.02em;
}
.logo span{
  font-family:var(--font-label);
  font-size:10px;letter-spacing:.32em;
  color:var(--brick);margin-top:4px;
}
nav.main{display:flex;gap:36px}
nav.main a{
  font-size:14px;font-weight:500;
  position:relative;padding-bottom:4px;
}
nav.main a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--brick);transition:width .25s ease;
}
nav.main a:hover::after{width:100%}
.header-cta{display:flex;align-items:center;gap:14px}
.menu-toggle{display:none}

@media (max-width: 900px){
  nav.main{
    position:fixed;inset:0;top:0;
    background:var(--cream);
    flex-direction:column;
    justify-content:center;
    align-items:flex-start;
    padding:32px;
    gap:22px;
    transform:translateX(100%);
    transition:transform .35s ease;
    z-index:60;
  }
  nav.main.open{transform:translateX(0)}
  nav.main a{font-size:22px}
  .menu-toggle{
    display:flex;flex-direction:column;gap:5px;
    width:26px;z-index:70;
  }
  .menu-toggle span{height:2px;background:var(--ink);display:block}
  .header-cta .btn-outline{display:none}
}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  padding:88px 0 56px;
  overflow:hidden;
}
.hero .wrap{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(40px,5.4vw,66px);
  line-height:1.03;
  margin-top:18px;
}
.hero-copy h1 em{
  font-style:italic;color:var(--brick);
}
.hero-copy p.lead{
  margin-top:22px;
  max-width:460px;
  font-size:17px;
  color:var(--ink-70);
}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}

.hero-stats{
  display:flex;gap:34px;margin-top:52px;
  padding-top:26px;border-top:1px solid var(--line);
  max-width:460px;
}
.hero-stats div strong{
  display:block;font-family:var(--font-display);font-size:26px;
}
.hero-stats div span{
  font-family:var(--font-label);font-size:11px;letter-spacing:.06em;
  color:var(--ink-45);text-transform:uppercase;
}

/* spool illustration */
.spool-art{position:relative;height:540px}
.hero-photo{
  position:absolute;top:0;right:0;
  width:80%;height:100%;
  object-fit:cover;object-position:center 40%;
  border:1px solid var(--line);
  box-shadow:0 28px 50px rgba(24,20,15,.16);
}
.swatch-tag{
  position:absolute;
  width:118px;height:150px;
  background:var(--paper);
  border:1px solid var(--line);
  padding:12px;
  box-shadow:0 18px 34px rgba(24,20,15,.14);
  font-family:var(--font-label);
  font-size:10px;
  letter-spacing:.04em;
  animation:float 6s ease-in-out infinite;
}
.swatch-tag .chip{width:100%;height:70px;margin-bottom:10px;display:block;object-fit:cover}
.swatch-tag b{display:block;font-family:var(--font-body);font-size:12px;font-weight:600;margin-top:2px}
.swatch-tag.tag-1{bottom:9%;left:0;animation-delay:.2s}
@keyframes float{
  0%,100%{transform:translateY(0) rotate(-2deg)}
  50%{transform:translateY(-12px) rotate(1deg)}
}
@media (prefers-reduced-motion:reduce){
  .swatch-tag{animation:none}
}

@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr}
  .spool-art{height:380px;order:-1}
}

/* =========================================================
   MARQUEE / SECTORS STRIP
   ========================================================= */
.marquee{
  background:var(--ink);color:var(--paper);
  padding:14px 0;overflow:hidden;white-space:nowrap;
}
.marquee-track{display:inline-flex;gap:44px;animation:scroll 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{
  font-family:var(--font-label);font-size:13px;letter-spacing:.08em;
  text-transform:uppercase;color:rgba(251,249,244,.8);
}
.marquee-track span::after{content:"—";margin-left:44px;color:var(--brick)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* =========================================================
   ADVANTAGES
   ========================================================= */
.advantages{padding:96px 0 40px}
.section-head{max-width:640px;margin-bottom:56px}
.section-head h2{font-size:clamp(30px,3.6vw,44px);margin-top:14px}
.section-head p{margin-top:16px;color:var(--ink-70);font-size:16px}

.adv-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}
.adv-card{background:var(--cream);padding:36px 30px}
.adv-card svg{width:30px;height:30px;color:var(--brick)}
.adv-card h3{font-size:20px;margin-top:20px}
.adv-card p{margin-top:10px;color:var(--ink-70);font-size:14.5px}
@media (max-width:800px){.adv-grid{grid-template-columns:1fr}}

/* =========================================================
   ABOUT
   ========================================================= */
.about{padding:80px 0;border-top:1px solid var(--line)}
.about .wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.about h2{font-size:clamp(30px,4vw,46px);line-height:1.08}
.about-copy p{color:var(--ink-70);margin-bottom:18px}
.about-copy .btn{margin-top:8px}
@media (max-width:800px){.about .wrap{grid-template-columns:1fr}}

/* =========================================================
   SECTORS
   ========================================================= */
.sectors{padding:80px 0;background:var(--cream-2)}
.sector-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:10px;
}
.sector-card{
  background:var(--paper);border:1px solid var(--line);
  padding:26px 22px;transition:border-color .25s ease, transform .25s ease;
}
.sector-card:hover{border-color:var(--brick);transform:translateY(-4px)}
.sector-card svg{width:24px;height:24px;color:var(--brick)}
.sector-card h4{font-size:16px;margin-top:16px;font-weight:600}
.sector-card p{font-size:13.5px;color:var(--ink-70);margin-top:6px}
@media (max-width:800px){.sector-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.sector-grid{grid-template-columns:1fr}}

/* =========================================================
   CATALOG
   ========================================================= */
.catalog{padding:96px 0}
.catalog-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:24px;
  margin-bottom:44px;flex-wrap:wrap;
}
.catalog-head .section-head{margin-bottom:0}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter-btn{
  font-family:var(--font-label);font-size:11.5px;letter-spacing:.05em;
  text-transform:uppercase;padding:8px 14px;border:1px solid var(--line);
  border-radius:20px;color:var(--ink-70);transition:all .2s ease;
}
.filter-btn:hover{border-color:var(--ink)}
.filter-btn.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}

.catalog-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
@media (max-width:1050px){.catalog-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.catalog-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.catalog-grid{grid-template-columns:1fr}}

.swatch-card{
  background:var(--paper);
  border:1px solid var(--line);
  display:flex;flex-direction:column;
  transition:transform .25s ease, box-shadow .25s ease;
  position:relative;
}
.swatch-card:hover{transform:translateY(-5px);box-shadow:0 20px 30px rgba(24,20,15,.1)}
.swatch-visual{
  display:block;width:100%;padding:0;border:0;
  aspect-ratio:5/4;position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.swatch-visual.has-img{cursor:zoom-in;background:var(--cream-2)}
.swatch-visual img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .5s ease;
}
.swatch-card:hover .swatch-visual img{transform:scale(1.05)}
.swatch-visual .badge{
  position:absolute;left:10px;bottom:10px;z-index:2;
  font-family:var(--font-label);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;
  background:var(--paper);color:var(--ink);padding:5px 9px;border:1px solid var(--line);
}
.swatch-visual::after{
  content:"";position:absolute;top:0;right:0;
  width:0;height:0;
  border-style:solid;
  border-width:0 22px 22px 0;
  border-color:transparent var(--cream) transparent transparent;
  z-index:2;
}
.swatch-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.swatch-body h4{font-size:16px;font-weight:600;font-family:var(--font-body)}
.swatch-body p{font-size:13px;color:var(--ink-70);flex:1}
.swatch-cta{
  display:flex;align-items:center;gap:6px;
  font-family:var(--font-label);font-size:11px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--brick);
  padding-top:10px;border-top:1px dashed var(--line);
}
.swatch-card:hover .swatch-cta{color:var(--brick-dark)}
.swatch-cta svg{width:12px;height:12px;transition:transform .2s ease}
.swatch-card:hover .swatch-cta svg{transform:translate(2px,-2px)}

/* palette rotation for swatch visuals — no photos yet */
.pat-1{background:repeating-linear-gradient(135deg,#A23A29 0 3px,#B4553F 3px 7px)}
.pat-2{background:repeating-linear-gradient(135deg,#B4863A 0 3px,#C9A15D 3px 7px)}
.pat-3{background:repeating-linear-gradient(135deg,#18140F 0 3px,#3A342C 3px 7px)}
.pat-4{background:repeating-linear-gradient(135deg,#7A2A1D 0 3px,#96422F 3px 7px)}
.pat-dot1{background-color:#EAE1CC;background-image:radial-gradient(#A23A29 2px,transparent 2px);background-size:14px 14px}
.pat-dot2{background-color:#EAE1CC;background-image:radial-gradient(#18140F 2px,transparent 2px);background-size:14px 14px}
.pat-wave{background-color:#EAE1CC;background-image:repeating-radial-gradient(circle at 0 0,transparent 0,transparent 6px,rgba(24,20,15,.12) 7px)}
.pat-mesh{background-color:#EAE1CC;
  background-image:
    linear-gradient(rgba(24,20,15,.16) 1px,transparent 1px),
    linear-gradient(90deg,rgba(24,20,15,.16) 1px,transparent 1px);
  background-size:10px 10px}

.catalog-note{
  margin-top:34px;font-size:13px;color:var(--ink-45);
  font-family:var(--font-label);letter-spacing:.02em;
}

/* =========================================================
   SERVICES (dark)
   ========================================================= */
.services{background:var(--ink);color:var(--paper);padding:96px 0}
.services .eyebrow{color:var(--gold)}
.services .eyebrow::before{background:var(--gold)}
.services h2{font-size:clamp(30px,4vw,46px);margin-top:14px;max-width:640px;line-height:1.08}
.services > .wrap > p{max-width:520px;color:rgba(251,249,244,.65);margin-top:18px}

.service-grid{
  margin-top:56px;
  display:grid;grid-template-columns:repeat(2,1fr);
  border-top:1px solid rgba(251,249,244,.16);
}
.service-card{
  padding:36px 34px;
  border-right:1px solid rgba(251,249,244,.16);
  border-bottom:1px solid rgba(251,249,244,.16);
}
.service-card:last-child{border-right:none}
.service-card .idx{font-family:var(--font-label);color:var(--gold);font-size:12px}
.service-card h3{font-size:24px;margin-top:14px}
.service-card p{margin-top:12px;color:rgba(251,249,244,.65);font-size:14.5px;max-width:420px}
.service-card a.link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-family:var(--font-label);font-size:12px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--paper);border-bottom:1px solid rgba(251,249,244,.4);
  padding-bottom:2px;
}
.service-card a.link:hover{color:var(--gold);border-color:var(--gold)}
@media (max-width:700px){
  .service-grid{grid-template-columns:1fr}
  .service-card{border-right:none}
}

/* =========================================================
   TESTIMONIALS
   ========================================================= */
.testimonials{padding:96px 0}
.testi-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:10px;
}
.testi-card{
  background:var(--paper);border:1px solid var(--line);
  padding:30px 26px;display:flex;flex-direction:column;gap:18px;
}
.testi-card svg{width:26px;height:20px;color:var(--brick)}
.testi-card p{font-size:15px;color:var(--ink-70);font-style:italic}
.testi-who{display:flex;flex-direction:column;font-family:var(--font-label);font-size:12px}
.testi-who b{font-family:var(--font-body);font-style:normal;font-size:14px;color:var(--ink)}
.testi-who span{color:var(--ink-45);margin-top:2px}
@media (max-width:800px){.testi-grid{grid-template-columns:1fr}}

/* =========================================================
   CONTACT
   ========================================================= */
.contact{padding:96px 0;border-top:1px solid var(--line)}
.contact .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:50px}
.contact h2{font-size:clamp(30px,4vw,46px)}
.contact p.lead{margin-top:18px;color:var(--ink-70);max-width:460px}
.contact-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}

.contact-card{
  background:var(--cream-2);border:1px solid var(--line);
  padding:34px;display:flex;flex-direction:column;gap:22px;
}
.contact-row{display:flex;flex-direction:column;gap:4px}
.contact-row span.label{
  font-family:var(--font-label);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--brick);
}
.contact-row strong{font-size:22px;font-family:var(--font-display);font-weight:500}
@media (max-width:800px){.contact .wrap{grid-template-columns:1fr}}

/* =========================================================
   FOOTER
   ========================================================= */
footer.site{background:var(--ink);color:rgba(251,249,244,.7);padding:60px 0 0}
.footer-top{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px;
  padding-bottom:40px;
}
.footer-top .logo strong{color:var(--paper)}
.footer-top .logo span{color:var(--gold)}
.footer-links{display:flex;gap:60px;flex-wrap:wrap}
.footer-col h5{
  font-family:var(--font-label);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--gold);margin-bottom:14px;
}
.footer-col a,.footer-col p{display:block;font-size:14px;margin-bottom:8px;color:rgba(251,249,244,.7)}
.footer-col a:hover{color:var(--paper)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding:22px 0;font-size:12.5px;color:rgba(251,249,244,.45);
  border-top:1px solid rgba(251,249,244,.14);
}

/* =========================================================
   FLOATING WHATSAPP
   ========================================================= */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:80;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(24,20,15,.28);
}
.wa-float svg{width:28px;height:28px;color:#fff}
.wa-float::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  background:#25D366;opacity:.55;
  animation:pulse 2.2s ease-out infinite;
}
@keyframes pulse{
  0%{transform:scale(1);opacity:.5}
  100%{transform:scale(1.7);opacity:0}
}
@media (prefers-reduced-motion:reduce){.wa-float::before{animation:none}}

/* focus visibility */
a:focus-visible,button:focus-visible{
  outline:2px solid var(--brick);outline-offset:3px;
}

/* =========================================================
   GALERÍA (lightbox)
   ========================================================= */
.lb{
  position:fixed;inset:0;z-index:100;
  background:rgba(24,20,15,.88);
  display:flex;align-items:center;justify-content:center;
  padding:20px;
}
.lb[hidden]{display:none}
.lb-panel{
  position:relative;background:var(--paper);
  width:min(1000px,100%);max-height:100%;
  display:flex;flex-direction:column;overflow:hidden;
}
.lb-close{
  position:absolute;top:8px;right:10px;z-index:3;
  width:38px;height:38px;border-radius:50%;
  background:var(--paper);border:1px solid var(--line);
  font-size:24px;line-height:1;color:var(--ink);
}
.lb-close:hover{background:var(--ink);color:var(--paper)}
.lb-stage{
  position:relative;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--cream-2);
  height:min(58vh,620px);
}
.lb-stage img{max-width:100%;max-height:100%;object-fit:contain;display:block}
.lb-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:2;
  width:44px;height:44px;border-radius:50%;
  background:rgba(251,249,244,.92);border:1px solid var(--line);
  font-size:28px;line-height:1;color:var(--ink);
}
.lb-nav:hover{background:var(--ink);color:var(--paper)}
.lb-nav[hidden]{display:none}
.lb-prev{left:12px}.lb-next{right:12px}
.lb-info{
  flex:none;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:16px 22px;border-top:1px solid var(--line);
}
.lb-info h3{font-size:20px}
.lb-info p{font-family:var(--font-label);font-size:12.5px;letter-spacing:.03em;color:var(--ink-70);margin-top:4px}
.lb-thumbs{
  flex:none;display:flex;gap:8px;padding:0 22px 16px;overflow-x:auto;
}
.lb-thumbs[hidden]{display:none}
.lb-thumb{
  flex:none;width:68px;height:56px;padding:0;
  border:2px solid transparent;opacity:.6;transition:opacity .2s, border-color .2s;
}
.lb-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.lb-thumb:hover{opacity:1}
.lb-thumb.active{border-color:var(--brick);opacity:1}
@media (max-width:560px){
  .lb{padding:0}
  .lb-panel{height:100%}
  .lb-stage{flex:1;height:auto;min-height:0}
  .lb-info{padding:14px 16px}
  .lb-thumbs{padding:0 16px 14px}
}