:root{
  --ink:#0E2A25;
  --ink-2:#163B34;
  --paper:#F7F4EC;
  --paper-2:#EFEADF;
  --gold:#C6A15B;
  --gold-dark:#9A7B3F;
  --muted:#5A6660;
  --line:#DDD7C8;
  --white:#fff;
  --max:1180px;
  --radius:2px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI",Arial,Helvetica,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:Georgia,"Times New Roman",serif;font-weight:400;line-height:1.18;color:var(--ink)}
h1{font-size:clamp(2.4rem,5vw,4.4rem);letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,3.2vw,2.9rem)}
h3{font-size:1.22rem}
p{color:var(--muted)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.kicker{
  font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold-dark);font-weight:600;margin-bottom:14px;
}
.lead{font-size:1.08rem;line-height:1.8;max-width:760px}
.rule{width:56px;height:3px;background:var(--gold);margin:20px 0 26px}
.center{text-align:center}
.center .rule{margin-left:auto;margin-right:auto}
.center .lead{margin-left:auto;margin-right:auto}
section{padding:88px 0}
section.tight{padding:60px 0}
.bg-paper{background:var(--paper)}
.bg-soft{background:var(--paper-2)}
.bg-ink{background:var(--ink);color:var(--paper)}
.bg-ink h2,.bg-ink h3,.bg-ink h1{color:var(--paper)}
.bg-ink p{color:#B9C7C1}
.bg-ink .kicker{color:var(--gold)}

/* ---------- header ---------- */
.header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,236,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.nav{
  max-width:var(--max);margin:0 auto;padding:0 28px;
  height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border:1.5px solid var(--ink);
  display:grid;place-items:center;font-family:Georgia,serif;font-size:13px;letter-spacing:.04em;
}
.logo-text{font-family:Georgia,serif;font-size:1.18rem;letter-spacing:.04em;color:var(--ink)}
.logo-text small{display:block;font-family:"Segoe UI",Arial,sans-serif;font-size:.58rem;letter-spacing:.26em;color:var(--gold-dark);text-transform:uppercase;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none}
.nav-links a{font-size:.92rem;color:var(--ink);padding:6px 0;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.active{border-bottom-color:var(--gold)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:var(--paper)!important;
  padding:11px 20px;font-size:.86rem;letter-spacing:.06em;text-transform:uppercase;
}
.nav-cta:hover{background:var(--gold-dark)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;font-size:.9rem;letter-spacing:.05em;
  border:1px solid var(--ink);background:var(--ink);color:var(--paper);
  cursor:pointer;transition:all .18s ease;
}
.btn:hover{background:var(--gold-dark);border-color:var(--gold-dark)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.btn.light{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn.light:hover{background:var(--gold);border-color:var(--gold);color:var(--ink)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:660px;display:flex;align-items:center;padding:0;background:var(--ink);overflow:hidden}
.hero-media{position:absolute;right:0;top:0;width:54%;height:100%;overflow:hidden}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.4s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover;object-position:50% 45%}
.hero-media::after{
  content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(90deg,var(--ink) 0%,rgba(14,42,37,.75) 28%,rgba(14,42,37,.18) 72%,rgba(14,42,37,.05) 100%);
}
.hero-dots{position:absolute;right:34px;bottom:30px;z-index:3;display:flex;gap:8px}
.hero-dots button{width:30px;height:2px;padding:0;border:0;background:rgba(247,244,236,.32);cursor:pointer;transition:background .25s}
.hero-dots button.active{background:var(--gold)}
.hero::before{
  content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;
  border:1px solid rgba(198,161,91,.18);border-radius:50%;z-index:1;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:var(--max);margin:0 auto;padding:96px 28px;width:100%;color:var(--paper)}
.hero h1{color:var(--paper);max-width:760px}
.hero p{color:#D3DDD8;font-size:1.13rem;max-width:560px;margin-top:22px}
.hero .kicker{color:var(--gold)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.hero-badges span{
  border:1px solid rgba(198,161,91,.55);color:#E4D3AE;
  font-size:.68rem;letter-spacing:.16em;padding:8px 14px;text-transform:uppercase;
}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px}
.stat{border-top:2px solid var(--ink);padding-top:16px}
.stat b{display:block;font-family:Georgia,serif;font-weight:400;font-size:2.6rem;line-height:1;color:var(--ink)}
.stat span{display:block;margin-top:8px;font-size:.86rem;color:var(--muted)}
.bg-ink .stat{border-top-color:var(--gold)}
.bg-ink .stat b{color:var(--paper)}
.bg-ink .stat span{color:#A9BAB4}

/* ---------- cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:40px}
.card{
  background:var(--white);border:1px solid var(--line);
  display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(14,42,37,.09)}
.card-img{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.card-img img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.03);opacity:.92;transition:transform .4s ease,filter .35s ease,opacity .35s ease}
.card:hover .card-img img{transform:scale(1.04);filter:none;opacity:1}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{margin-bottom:8px}
.card-body p{font-size:.9rem;line-height:1.6;flex:1}
.tag{margin-top:16px;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-dark)}
.card-link{margin-top:16px;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);border-bottom:1px solid var(--gold);align-self:flex-start;padding-bottom:3px}

/* ---------- product rows ---------- */
.product-row{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;padding:64px 0;border-bottom:1px solid var(--line)}
.product-row:last-child{border-bottom:0}
.product-row:nth-child(even) .product-media{order:2}
.product-media{background:var(--paper-2);overflow:hidden}
.product-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.product-media.contain{display:grid;place-items:center;padding:34px}
.product-media.contain img{object-fit:contain;aspect-ratio:auto;max-height:430px;width:auto}
.product-media.dark{
  background:var(--ink);display:grid;place-items:center;aspect-ratio:4/3;padding:30px;
}
.product-media.dark .strapping-art{width:100%;height:100%;display:grid;place-items:center;color:var(--gold);font-family:Georgia,serif;font-size:1.1rem;letter-spacing:.18em;text-transform:uppercase;border:1px solid rgba(198,161,91,.45)}
.product-info h3{font-size:1.9rem;margin-bottom:12px}
.product-info > p{font-size:.98rem;max-width:560px}
.spec-table{width:100%;border-collapse:collapse;margin:24px 0 8px;font-size:.88rem}
.spec-table th,.spec-table td{text-align:left;padding:10px 0;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{width:38%;font-weight:600;color:var(--ink)}
.spec-table td{color:var(--muted)}
.badge-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.badge-line span{font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-dark);border:1px solid var(--line);padding:6px 10px;background:var(--white)}

/* ---------- split / feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;margin-top:0}
.split-media{min-height:440px;background:#EDE9DF}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-text{background:var(--white);padding:64px 56px;display:flex;flex-direction:column;justify-content:center}
.split-text h2{margin-bottom:8px}
.split-text p{font-size:.96rem}
.checklist{list-style:none;margin-top:22px}
.checklist li{position:relative;padding:12px 0 12px 30px;border-bottom:1px solid var(--line);font-size:.92rem;color:var(--ink)}
.checklist li:last-child{border-bottom:0}
.checklist li::before{content:"\2713";position:absolute;left:0;top:12px;color:var(--gold-dark);font-weight:700}

/* ---------- cert ---------- */
.cert-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:40px}
.cert-card{background:var(--white);border-left:4px solid var(--gold);padding:34px 34px 32px;display:flex;flex-direction:column}
.cert-card .name{font-family:Georgia,serif;font-size:2rem;color:var(--ink)}
.cert-card .org{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-dark);margin:8px 0 16px}
.cert-card p{font-size:.92rem;flex:1}
.cert-meta{margin-top:22px;border-top:1px solid var(--line);padding-top:16px;font-size:.82rem;color:var(--ink)}
.cert-meta div{display:flex;justify-content:space-between;gap:18px;padding:4px 0}
.cert-meta span:first-child{color:var(--muted)}
.cert-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.download{display:inline-flex;align-items:center;gap:8px;font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--ink);padding:10px 16px}
.download:hover{background:var(--ink);color:var(--paper)}

/* ---------- process ---------- */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.step{background:var(--ink);color:var(--paper);padding:28px 24px}
.step .n{font-family:Georgia,serif;font-size:.8rem;color:var(--gold);letter-spacing:.16em}
.step h4{font-size:1.05rem;margin:12px 0 8px;color:var(--paper);font-family:"Segoe UI",Arial,sans-serif;font-weight:600}
.step p{font-size:.84rem;line-height:1.55;color:#A9BAB4}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px}
.gallery img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.gallery .wide{grid-column:span 2;aspect-ratio:auto}

/* ---------- cta band ---------- */
.cta-band{padding:76px 0;text-align:center}
.cta-band h2{max-width:760px;margin:0 auto}
.cta-band p{max-width:620px;margin:18px auto 0}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;margin-top:44px;align-items:start}
.info-block{margin-bottom:28px}
.info-block .label{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-dark);margin-bottom:7px}
.info-block .val{font-size:1rem;color:var(--ink);line-height:1.8}
.info-block .val a:hover{color:var(--gold-dark)}
.form{background:var(--white);border:1px solid var(--line);padding:34px}
.form h3{margin-bottom:6px}
.form p.small{font-size:.84rem;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);background:var(--paper);
  font-family:inherit;font-size:.92rem;color:var(--ink);border-radius:0;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold-dark)}
.field textarea{min-height:110px;resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .btn{width:100%;margin-top:6px}
.form-note{font-size:.74rem;color:var(--muted);margin-top:12px;text-align:center}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:#B9C7C1;padding:64px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer h4{color:var(--paper);font-family:"Segoe UI",Arial,sans-serif;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:16px}
.footer p,.footer a{font-size:.86rem;color:#B9C7C1;line-height:1.9}
.footer a:hover{color:var(--gold)}
.footer .logo-text{color:var(--paper)}
.footer .logo-mark{border-color:var(--gold);color:var(--gold)}
.footer-bottom{border-top:1px solid rgba(198,161,91,.25);margin-top:46px;padding-top:22px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.76rem;color:#7E948C}

/* ---------- whatsapp float ---------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:80;
  width:56px;height:56px;border-radius:50%;background:#25D366;
  display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.22);
  transition:transform .18s ease;
}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:30px;height:30px;fill:#fff}
.wa-label{
  position:fixed;right:88px;bottom:36px;z-index:79;
  background:var(--ink);color:var(--paper);font-size:.76rem;
  padding:8px 12px;opacity:0;pointer-events:none;transition:opacity .2s;
}
.wa-float:hover + .wa-label{opacity:1}

/* ---------- page hero ---------- */
.page-hero{background:var(--ink);color:var(--paper);padding:86px 0 72px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border:1px solid rgba(198,161,91,.18);border-radius:50%}
.page-hero h1{color:var(--paper);font-size:clamp(2.2rem,4.2vw,3.6rem);max-width:820px}
.page-hero p{color:#B9C7C1;max-width:640px;margin-top:18px;font-size:1.05rem}
.page-hero .kicker{color:var(--gold)}
.page-hero .inner{position:relative;z-index:2}

/* ---------- notice ---------- */
.notice{border-left:3px solid var(--gold);background:var(--paper-2);padding:18px 22px;font-size:.88rem;color:var(--ink);margin-top:28px}

/* ---------- client logos ---------- */
.brands{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:36px}
.brand{background:var(--paper);min-height:96px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:Georgia,serif;font-size:1.05rem;letter-spacing:.05em;color:var(--ink);padding:12px;text-align:center}
.brand small{display:block;font-family:"Segoe UI",Arial,sans-serif;font-size:.64rem;letter-spacing:.1em;color:var(--muted);margin-top:5px;text-transform:uppercase}
@media (max-width:760px){.brands{grid-template-columns:repeat(2,1fr)}}
.notice b{color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .product-row{grid-template-columns:1fr;gap:30px;padding:48px 0}
  .product-row:nth-child(even) .product-media{order:0}
  .split{grid-template-columns:1fr}
  .split-media{min-height:320px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .cert-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  section{padding:62px 0}
  .nav{height:66px}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:66px;
    background:var(--paper);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 22px;
  }
  .nav-links.open{display:flex}
  .nav-links li{border-bottom:1px solid var(--line)}
  .nav-links a{display:block;padding:14px 0;border:0}
  .nav-links .nav-cta{margin-top:14px;justify-content:center}
  .burger{display:block}
  .hero{min-height:560px}
  .hero-media{width:100%;opacity:.25}
  .hero-media::after{background:linear-gradient(180deg,rgba(14,42,37,.35),var(--ink))}
  .hero-inner{padding:100px 24px 56px}
  .stats{grid-template-columns:1fr 1fr;gap:18px}
  .grid-4,.grid-3,.grid-2,.flow{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery .wide{grid-column:span 2}
  .footer-grid{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .split-text{padding:40px 26px}
  .form{padding:24px}
  .footer-bottom{flex-direction:column;gap:6px}
  .wa-label{display:none}
}