/* ============================================================
   VQV ZIPPER — site stylesheet
   Palette: ink #1A1523 · plum #4B2E6B · brass #B98A2F · paper #F7F5F2
   Type: Archivo (display) · Inter (body) · IBM Plex Mono (specs)
   ============================================================ */

:root{
  --ink:#1A1523;
  --plum:#4B2E6B;
  --plum-deep:#37204F;
  --plum-soft:#EFEAF5;
  --brass:#B98A2F;
  --paper:#F7F5F2;
  --white:#FFFFFF;
  --text:#2B2833;
  --muted:#6E6878;
  --line:#E4E0E9;
  --wa:#1EBE5D;
  --radius:10px;
  --maxw:1160px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Arial,sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.65;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;height:auto}
a{color:var(--plum);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--brass);outline-offset:2px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

h1,h2,h3,.display{
  font-family:'Archivo',Inter,sans-serif;
  font-weight:750;
  letter-spacing:-.015em;
  line-height:1.12;
  color:var(--ink);
}
h1{font-size:clamp(2.1rem,4.4vw,3.4rem)}
h2{font-size:clamp(1.6rem,3vw,2.25rem);margin-bottom:.6em}
h3{font-size:1.15rem;font-weight:700}

.mono{font-family:'IBM Plex Mono',ui-monospace,Menlo,monospace}

.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brass);
  display:block;
  margin-bottom:.9em;
}

/* ---------- signature: zipper-teeth divider ---------- */
.zip-divider{
  height:26px;
  background:
    repeating-linear-gradient(90deg,var(--plum) 0 22px,transparent 22px 44px) top/44px 12px no-repeat,
    repeating-linear-gradient(90deg,transparent 0 22px,var(--plum-deep) 22px 44px) bottom/44px 12px no-repeat;
  background-repeat:repeat-x;
  opacity:.92;
}
.zip-divider--light{opacity:.28}

/* ---------- header ---------- */
.topbar{
  background:var(--ink);
  color:#CFC8DA;
  font-size:.82rem;
  padding:7px 0;
}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.topbar a{color:#fff}

header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.logo{display:flex;align-items:baseline;gap:10px;text-decoration:none}
.logo b{font-family:'Archivo';font-size:1.5rem;font-weight:800;letter-spacing:.02em;color:var(--plum)}
.logo span{font-family:'IBM Plex Mono';font-size:.7rem;letter-spacing:.16em;color:var(--muted);text-transform:uppercase}
.nav ul{display:flex;gap:26px;list-style:none}
.nav ul a{color:var(--text);font-weight:500;font-size:.95rem}
.nav ul a:hover,.nav ul a[aria-current="page"]{color:var(--plum);text-decoration:none}
.nav ul a[aria-current="page"]{border-bottom:2px solid var(--brass);padding-bottom:2px}

.btn{
  display:inline-block;
  background:var(--plum);
  color:#fff;
  font-weight:600;
  padding:12px 24px;
  border-radius:var(--radius);
  border:0;
  cursor:pointer;
  font-size:.97rem;
  font-family:inherit;
  transition:background .15s;
}
.btn:hover{background:var(--plum-deep);text-decoration:none}
.btn--wa{background:var(--wa)}
.btn--wa:hover{background:#169c4b}
.btn--ghost{background:transparent;color:var(--plum);border:1.5px solid var(--plum)}
.btn--ghost:hover{background:var(--plum-soft)}
.btn--sm{padding:9px 16px;font-size:.88rem}

.nav-toggle{display:none;background:none;border:0;font-size:1.7rem;cursor:pointer;color:var(--ink)}

/* ---------- hero ---------- */
.hero{background:var(--paper);padding:64px 0 56px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero p.lead{font-size:1.12rem;color:var(--muted);margin:18px 0 26px;max-width:34em}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-media img{border-radius:var(--radius);box-shadow:0 18px 44px rgba(26,21,35,.18)}
.spec-chips{display:flex;gap:9px;flex-wrap:wrap}
.chip{
  font-family:'IBM Plex Mono';font-size:.78rem;
  background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:5px 11px;color:var(--muted);
}
.chip b{color:var(--plum);font-weight:600}

/* ---------- stats bar ---------- */
.stats{background:var(--ink);color:#fff;padding:34px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat .num{font-family:'IBM Plex Mono';font-size:2rem;font-weight:600;color:#fff}
.stat .num i{font-style:normal;color:var(--brass);font-size:1.2rem}
.stat .lab{font-size:.85rem;color:#B7AEC6;margin-top:2px}

/* ---------- sections ---------- */
section.block{padding:76px 0}
section.block--paper{background:var(--paper)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.section-intro{max-width:44em;color:var(--muted);margin-bottom:40px}

/* product cards */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .15s,box-shadow .15s;
}
.pcard:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(26,21,35,.10)}
.pcard img{aspect-ratio:4/3;object-fit:cover;width:100%}
.pcard .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.pcard .sizes{font-family:'IBM Plex Mono';font-size:.78rem;color:var(--brass)}
.pcard p{font-size:.93rem;color:var(--muted);flex:1}
.pcard a.more{font-weight:600;font-size:.92rem}

/* process steps (real sequence → numbering justified) */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  font-family:'IBM Plex Mono';color:var(--brass);font-size:.85rem;letter-spacing:.1em;
  display:block;margin-bottom:10px;
}
.step h3{margin-bottom:6px}
.step p{font-size:.9rem;color:var(--muted)}

/* checklist */
ul.checks{list-style:none;display:grid;gap:12px}
ul.checks li{padding-left:30px;position:relative}
ul.checks li::before{
  content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:4px;
  background:var(--plum);
  clip-path:polygon(14% 44%,0 61%,40% 100%,100% 16%,84% 2%,39% 70%);
}

/* certification strip */
.certs{display:flex;gap:12px;flex-wrap:wrap}
.cert{
  font-family:'IBM Plex Mono';font-size:.8rem;font-weight:600;
  border:1.5px solid var(--plum);color:var(--plum);
  border-radius:6px;padding:8px 14px;background:#fff;
}

/* brands line */
.brands{color:var(--muted);font-size:.95rem}
.brands b{color:var(--ink);font-weight:600;letter-spacing:.04em}

/* tables */
table.spec{width:100%;border-collapse:collapse;font-size:.92rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table.spec th,table.spec td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
table.spec th{background:var(--plum-soft);font-family:'IBM Plex Mono';font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--plum-deep)}
table.spec tr:last-child td{border-bottom:0}

/* FAQ */
details.faq{border-bottom:1px solid var(--line);padding:4px 0}
details.faq summary{
  cursor:pointer;font-weight:600;padding:16px 0;list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:center;color:var(--ink);
}
details.faq summary::after{content:"+";font-family:'IBM Plex Mono';color:var(--brass);font-size:1.2rem}
details.faq[open] summary::after{content:"–"}
details.faq p{padding:0 0 18px;color:var(--muted);max-width:52em}

/* ---------- quote form ---------- */
.quote{background:var(--ink);color:#fff}
.quote h2,.quote h3{color:#fff}
.quote .grid-2{align-items:start}
.quote p.side{color:#B7AEC6;max-width:30em}
.quote .contact-alt{margin-top:26px;display:grid;gap:12px;font-size:.95rem}
.quote .contact-alt a{color:#fff;font-weight:600}
form.lead-form{background:#fff;border-radius:var(--radius);padding:30px 28px;color:var(--text);display:grid;gap:15px}
.lead-form label{font-size:.85rem;font-weight:600;display:grid;gap:6px}
.lead-form input,.lead-form select,.lead-form textarea{
  font:inherit;padding:11px 13px;border:1.5px solid var(--line);border-radius:8px;width:100%;background:#fff;
}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{border-color:var(--plum);outline:none}
.lead-form .row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.lead-form small{color:var(--muted);font-size:.78rem}

/* ---------- CTA band ---------- */
.cta-band{background:var(--plum);color:#fff;padding:54px 0;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:#DCD2EA;max-width:40em;margin:10px auto 26px}
.cta-band .btn{background:#fff;color:var(--plum)}
.cta-band .btn:hover{background:var(--paper)}
.cta-band .btn--wa{background:var(--wa);color:#fff}
.cta-band .btn--wa:hover{background:#169c4b}

/* ---------- footer ---------- */
footer.site{background:var(--ink);color:#B7AEC6;padding:56px 0 34px;font-size:.92rem}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:36px}
footer h4{color:#fff;font-family:'Archivo';font-size:1rem;margin-bottom:14px}
footer ul{list-style:none;display:grid;gap:9px}
footer a{color:#B7AEC6}
footer a:hover{color:#fff}
footer .fine{border-top:1px solid #332B41;padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.82rem}

/* ---------- floating WhatsApp ---------- */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:80;
  width:56px;height:56px;border-radius:50%;
  background:var(--wa);display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px rgba(0,0,0,.28);
}
.wa-float svg{width:30px;height:30px;fill:#fff}
.wa-float:hover{transform:scale(1.06)}

/* page hero (inner pages) */
.page-hero{background:var(--paper);padding:52px 0 44px;border-bottom:1px solid var(--line)}
.page-hero p{color:var(--muted);max-width:46em;margin-top:12px}
.crumbs{font-family:'IBM Plex Mono';font-size:.75rem;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}

/* product detail rows */
.prod-row{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start;padding:56px 0;border-bottom:1px solid var(--line)}
.prod-row:last-child{border-bottom:0}
.prod-row img{border-radius:var(--radius);border:1px solid var(--line)}
.prod-row .sizes{font-family:'IBM Plex Mono';font-size:.82rem;color:var(--brass);margin-bottom:8px;display:block}
.prod-row ul.checks{margin:16px 0 20px}

/* timeline */
.timeline{display:grid;gap:0;border-left:2px solid var(--plum);margin-left:8px}
.tl{padding:0 0 30px 26px;position:relative}
.tl::before{content:"";position:absolute;left:-8px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--brass);border:3px solid #fff;box-shadow:0 0 0 2px var(--brass)}
.tl .yr{font-family:'IBM Plex Mono';font-weight:600;color:var(--plum);font-size:.95rem}
.tl p{color:var(--muted);font-size:.95rem;max-width:44em}

/* utility */
.mt-1{margin-top:14px}.mt-2{margin-top:28px}.mt-3{margin-top:44px}
.img-note{font-size:.78rem;color:var(--muted);font-family:'IBM Plex Mono';margin-top:8px}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .hero .wrap,.grid-2,.prod-row{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .nav ul{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;padding:8px 22px 16px;
  }
  .nav ul.open{display:flex}
  .nav ul li{padding:10px 0}
  .nav-toggle{display:block}
  .nav .btn{display:none}
  .pgrid,.steps,.lead-form .row{grid-template-columns:1fr}
  .topbar .wrap{justify-content:center}
}