:root {
  
  --gold:        #d9a441;   
  --gold-dark:   #b98626;   
  --gold-soft:   #f6e9cf;   
  --green:       #3e6b4f;   
  --green-dark:  #2c4d39;   
  --ink:         #23282d;   
  --ink-soft:    #55606a;   
  --paper:       #faf8f4;   
  --cream:       #f3eee4;   
  --white:       #ffffff;
  --line:        #e5ded0;   

  
  
  --font-head: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Source Sans 3", "Segoe UI", Arial, sans-serif;

  
  --container: 1140px;      
  --radius:    10px;        
  --shadow:    0 10px 30px rgba(35, 40, 45, .10);   
  --header-h:  76px;        
}




*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }   

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}


h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
  margin: 0 0 .6em;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }   
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }

p  { margin: 0 0 1.1em; }
ul { padding-left: 1.3em; }
li { margin-bottom: .4em; }

img { max-width: 100%; height: auto; display: block; }

a       { color: var(--green); text-decoration: none; transition: color .25s; }
a:hover { color: var(--gold-dark); }


.rule {
  width: 64px; height: 3px;
  background: var(--gold);
  margin: 0 0 1.4rem;
  border-radius: 2px;
}
.rule.center { margin-left: auto; margin-right: auto; }


.eyebrow {
  display: block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: .5rem;
}





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


.section       { padding: 72px 0; }
.section.tight { padding: 44px 0; }


.bg-cream { background: var(--cream); }
.bg-green { background: var(--green-dark); color: #e9efe9; }
.bg-green h2, .bg-green h3 { color: var(--white); }


.grid-2, .grid-3, .grid-4 { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.center { text-align: center; }


.narrow { max-width: 820px; margin-left: auto; margin-right: auto; }




.site-header {
  position: sticky;          
  top: 0;
  z-index: 1000;
  background: rgba(250, 248, 244, .92);
  backdrop-filter: blur(8px);              
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 14px rgba(35,40,45,.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 20px;
}


.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 48px; width: auto; }


.site-nav ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  display: block;
  padding: 10px 13px;
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink);
  border-radius: 6px;
  white-space: nowrap;
}
.site-nav a:hover { color: var(--gold-dark); background: var(--gold-soft); }


.site-nav a.active { color: var(--gold-dark); }


.has-dropdown { position: relative; }


.has-dropdown > a::after {
  content: "▾";
  font-size: .7em;
  margin-left: 6px;
  color: var(--gold-dark);
}


.site-nav .dropdown {
  position: absolute;
  top: 100%; left: 0;
  min-width: 260px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px !important;
  display: none;             
  flex-direction: column;
  align-items: stretch;
  gap: 0 !important;
}
.dropdown li { margin: 0; }
.dropdown a  { padding: 9px 14px; font-weight: 500; }


.has-dropdown:hover .dropdown,
.has-dropdown.open  .dropdown { display: flex; }


.lang-switch { display: flex; align-items: center; gap: 2px; margin-left: 8px; }
.lang-switch a {
  padding: 6px 9px;
  font-size: .85rem;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.lang-switch a.current {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}


.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: .3s;
}




.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}


.hero.hero-small { min-height: 44vh; }

.hero .slide {
  position: absolute;
  inset: 0;                          
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);            
  transition: opacity 1.6s ease, transform 7s ease;
}
.hero .slide.is-active { opacity: 1; transform: scale(1); }


@keyframes hero-sharpen-in {
  from { filter: blur(14px); }
  to   { filter: blur(0); }
}
.hero .slide:first-child {
  animation: hero-sharpen-in 1.8s ease-out both;
}


.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg,
              rgba(25, 30, 26, .82) 0%,
              rgba(25, 30, 26, .55) 45%,
              rgba(25, 30, 26, .25) 100%);
}

.hero-content {
  position: relative;                
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 90px 22px;
  width: 100%;
}
.hero-content h1 { color: var(--white); max-width: 17em; }
.hero-content .lead {
  font-size: 1.15rem;
  max-width: 36em;
  color: #eee7d8;
}
.hero-content .eyebrow { color: var(--gold); }


.hero-dots {
  position: absolute;
  bottom: 22px; left: 0; right: 0;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 9px;
}
.hero-dots button {
  width: 11px; height: 11px;
  border-radius: 50%;
  border: 1px solid var(--white);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background .3s;
}
.hero-dots button.is-active { background: var(--gold); border-color: var(--gold); }




.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 999px;              
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .03em;
  transition: all .3s;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-gold {
  background: var(--gold);
  color: var(--white);
}
.btn-gold:hover {
  background: var(--gold-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(185, 134, 38, .35);
}
.btn-outline {
  border-color: var(--white);
  color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--ink);
  transform: translateY(-2px);
}

.btn-outline-dark { border-color: var(--ink); color: var(--ink); }
.btn-outline-dark:hover { background: var(--ink); color: var(--white); }




.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: 0 4px 14px rgba(35,40,45,.05);
  transition: transform .35s, box-shadow .35s;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-6px);       
  box-shadow: var(--shadow);
}
.card h3 { font-size: 1.15rem; }
.card p  { color: var(--ink-soft); font-size: .96rem; flex-grow: 1; }

.card-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--gold-soft);
  color: var(--gold-dark);
  font-size: 1.6rem;
  margin-bottom: 18px;
}
.card-icon svg { width: 30px; height: 30px; }


.more { font-weight: 700; font-size: .92rem; }
.more::after { content: " →"; }


.card-photo { padding: 0; overflow: hidden; }
.card-photo img { width: 100%; height: 210px; object-fit: cover; }
.card-photo .card-body { padding: 22px 24px 26px; }




.split {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}
.split.flip > *:first-child { order: 2; }   

.split img,
.frame img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}


.callout {
  background: var(--gold-soft);
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 22px 26px;
  margin: 1.4em 0;
  font-size: 1.05rem;
}
.callout.green {
  background: #e7efe9;
  border-left-color: var(--green);
}


.legend { counter-reset: n; list-style: none; padding: 0; }
.legend li {
  counter-increment: n;
  padding-left: 40px;
  position: relative;
  margin-bottom: 8px;
}
.legend li::before {
  content: counter(n);
  position: absolute;
  left: 0; top: 1px;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  font-size: .8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}


.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align: center; }
.stat strong {
  display: block;
  font-family: var(--font-head);
  font-size: 2.6rem;
  color: var(--gold);
  line-height: 1.1;
}
.stat span { color: inherit; opacity: .85; font-size: .95rem; }


.cmp-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.cmp-table th, .cmp-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.cmp-table thead th {
  background: var(--green-dark);
  color: var(--white);
  font-weight: 600;
}
.cmp-table tbody tr:nth-child(even) { background: var(--cream); }
.cmp-table .good { color: var(--green); font-weight: 700; }
.cmp-table .bad  { color: #a4552f; }


.caption { font-size: .85rem; color: var(--ink-soft); margin-top: .6em; }




.chart-box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 4px 14px rgba(35,40,45,.05);
  padding: 26px 26px 18px;
}
.chart-box svg { width: 100%; height: auto; }
.chart-box text { font-family: var(--font-body); }

.bar-label  { font-size: 14px; fill: var(--ink); font-weight: 600; }
.bar-value  { font-size: 13px; fill: var(--ink-soft); font-weight: 700; }
.bar-axis   { font-size: 11px; fill: var(--ink-soft); }
.bar-title  { font-size: 15px; fill: var(--ink); font-weight: 700; }

.bar-cellulose { fill: var(--gold); }     
.bar-other     { fill: #b9c4bd; }         




.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.gallery-item {
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  position: relative;
}
.gallery-item img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  transition: transform .5s;
}
.gallery-item:hover img { transform: scale(1.06); }   


.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(20, 22, 20, .93);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4vh 4vw;
  cursor: zoom-out;
}
.lightbox img {
  max-width: 92vw;
  max-height: 92vh;
  width: auto; height: auto;
  border-radius: 6px;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}
.lightbox-close {
  position: absolute;
  top: 18px; right: 26px;
  font-size: 2.2rem;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
}




.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 52px 18px 22px;
  font-weight: 700;
  list-style: none;              
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {       
  content: "+";
  position: absolute;
  right: 20px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--gold-dark);
  transition: transform .3s;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item[open] summary { color: var(--gold-dark); }
.faq-body { padding: 0 22px 20px; color: var(--ink-soft); }




.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 44px;
  align-items: start;
}


.contact-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.contact-row .card-icon { margin: 0; flex-shrink: 0; width: 46px; height: 46px; font-size: 1.2rem; }
.contact-row strong { display: block; }
.contact-row a { font-weight: 600; }


.form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px;
}
.form label {
  display: block;
  font-weight: 700;
  font-size: .9rem;
  margin: 16px 0 6px;
}
.form input, .form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: var(--paper);
}
.form input:focus, .form textarea:focus {
  outline: 2px solid var(--gold);
  border-color: var(--gold);
}
.form .btn { margin-top: 22px; border: none; }
.form-note { font-size: .82rem; color: var(--ink-soft); margin-top: 12px; }




.site-footer {
  background: #1d2420;
  color: #b9c4bd;
  padding: 56px 0 0;
  font-size: .95rem;
}
.site-footer h4 { color: var(--white); margin-bottom: 1em; }
.site-footer a  { color: #d8dfd9; }
.site-footer a:hover { color: var(--gold); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-logo img { height: 46px; background: var(--white); padding: 5px 10px; border-radius: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 18px 0;
  text-align: center;
  font-size: .85rem;
  color: #8b978f;
}




.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 22px;
  position: relative;
  color: var(--white);
  overflow: hidden;
}
.landing .hero-overlay {
  background: linear-gradient(180deg, rgba(25,30,26,.78), rgba(25,30,26,.62));
}
.landing-inner { position: relative; z-index: 2; }
.landing-logo {
  background: var(--white);
  border-radius: 14px;
  padding: 18px 30px;
  display: inline-block;
  margin-bottom: 34px;
  box-shadow: var(--shadow);
}
.landing-logo img { height: 74px; }
.landing h1 { color: var(--white); font-size: clamp(1.5rem, 3.4vw, 2.4rem); }
.landing p  { color: #ded8c9; }


.lang-choice {
  display: flex;
  gap: 26px;
  justify-content: center;
  margin-top: 38px;
  flex-wrap: wrap;
}
.lang-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: var(--radius);
  padding: 30px 56px;
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: .04em;
  backdrop-filter: blur(4px);
  transition: all .35s;
}
.lang-btn:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(0,0,0,.35);
}
.lang-btn .flag { font-size: 2.2rem; line-height: 1; }




.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .15s; }
.reveal-delay-2 { transition-delay: .3s; }
.reveal-delay-3 { transition-delay: .45s; }


@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero .slide { transition: opacity .5s; transform: none; }
  .hero .slide:first-child { animation: none; filter: none; }
  html { scroll-behavior: auto; }
}




@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats  { grid-template-columns: repeat(2, 1fr); }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .split.flip > *:first-child { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  
  .nav-toggle { display: block; }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: none;                 
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .site-nav.open { display: block; }

  .site-nav ul { flex-direction: column; align-items: stretch; padding: 12px 18px; }
  .dropdown {
    position: static;
    box-shadow: none;
    border: none;
    background: var(--cream);
    border-radius: 8px;
  }
  .lang-switch { margin: 10px 0 4px; }

  .hero { min-height: 66vh; }
  .section { padding: 52px 0; }
  .gallery { grid-template-columns: 1fr; }
  .gallery-item img { height: 240px; }
  .lang-btn { padding: 24px 40px; width: 100%; max-width: 320px; }
  .footer-grid { grid-template-columns: 1fr; }
}