/* ===== Tokens ===== */
:root{
  --espresso:#1b1611;
  --espresso-2:#241d16;
  --walnut:#3a2a1d;
  --ivory:#f4ecdd;
  --ivory-dim:#d9cdb8;
  --brass:#b98c4e;
  --brass-light:#dab479;
  --text-dark:#241d16;
  --radius:2px;
  --container:1180px;
  --serif:"Fraunces", Georgia, serif;
  --sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  background:var(--espresso);
  color:var(--ivory);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{font-family:var(--serif);font-weight:600;margin:0 0 .5em;letter-spacing:.01em;}
p{margin:0 0 1em;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
section{padding:96px 0;}
@media(max-width:768px){section{padding:64px 0;}}

.eyebrow{
  font-family:var(--sans);
  text-transform:uppercase;
  letter-spacing:.18em;
  font-size:.75rem;
  color: var(--brass);
  font-weight:600;
  margin-bottom:14px;
  display:inline-block;
}

/* joinery divider — signature element */
.joint-divider{
  width:100%;
  height:18px;
  overflow:hidden;
  display:flex;
  justify-content:center;
  opacity:.55;
}
.joint-divider svg{height:100%;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:500;
  background:rgba(27,22,17,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(185,140,78,.18);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;max-width:var(--container);margin:0 auto;gap:16px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height: 78px;width:auto;border-radius:var(--radius); filter: brightness(125%);}
.brand-text{font-family:var(--serif);font-size:1.15rem;font-weight:600;color:var(--ivory);}
.brand-text span{display:block;font-family:var(--sans);font-size:.7rem;letter-spacing:.08em;color:var(--ivory-dim);font-weight:400;text-transform:uppercase;}

.header-contacts{display:flex;align-items:center;gap:22px;font-size:.92rem;}
.header-contacts a{color:var(--ivory-dim);transition:color .2s;white-space:nowrap;}
.header-contacts a:hover{color:var(--brass-light);}
.header-contacts .phone{color:var(--ivory);font-weight:600;font-size:1rem;}
.header-cta{
  background:var(--brass);color:var(--espresso);font-weight:700;
  padding:10px 20px;border-radius:var(--radius);font-size:.9rem;
  transition:background .2s;
}
.header-cta:hover{background:var(--brass-light);}
.burger{display:none;background:none;border:none;color:var(--ivory);font-size:1.6rem;cursor:pointer;}
.header-contacts svg {color: var(--ivory-dim);width: 24px;}

@media(max-width:860px){
  .header-contacts .address{display:none;}
}
@media(max-width:640px){
  .header-contacts{display:none;}
  .burger{display:block;}
  .brand img{height: 60px;}
  .brand-text{font-size:1rem;}
}
.mobile-panel{
  display:none;flex-direction:column;gap:14px;
  padding:18px 24px 24px;border-top:1px solid rgba(185,140,78,.18);
  background:var(--espresso-2);
}
.mobile-panel.open{display:flex;}
.mobile-panel a{font-size:1rem;color:var(--ivory-dim);}
.mobile-panel .phone{color:var(--brass-light);font-weight:700;font-size:1.15rem;}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:92vh;display:flex;align-items:center;
  padding:140px 0 90px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  filter:brightness(.42) saturate(1.05);
  transform:scale(1.04);
}
.hero-bg::after{content:"";}
.hero-gradient{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(27,22,17,.55) 0%,rgba(27,22,17,.35) 40%,rgba(27,22,17,.95) 100%);
}
.hero-content{position:relative;z-index:2;max-width:720px;}
.hero h1{font-size:clamp(2.3rem,5vw,3.6rem);line-height:1.08;color:var(--ivory);}
.hero h1 em{font-style:italic;color:var(--brass-light);}
.hero p.lead{font-size:1.15rem;color:var(--ivory-dim);max-width:560px;}
.hero-actions{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:15px 26px;
  border-radius:var(--radius);font-weight:600;font-size:.98rem;
  transition:transform .2s ease,background .2s ease,box-shadow .2s;
  border:1px solid transparent;
}
.btn-primary{background:var(--brass);color:var(--espresso);}
.btn-primary:hover{background:var(--brass-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(185,140,78,.25);}
.btn-outline{border-color:rgba(244,236,221,.35);color:var(--ivory);}
.btn-outline:hover{border-color:var(--brass-light);color:var(--brass-light);transform:translateY(-2px);}
.hero-meta{
  position:relative;z-index:2;display:flex;gap:36px;margin-top:56px;flex-wrap:wrap;
}
.hero-meta div{border-left:2px solid var(--brass);padding-left:14px;}
.hero-meta b{display:block;font-family:var(--serif);font-size:1.5rem;color:var(--ivory);}
.hero-meta span{font-size:.82rem;color:var(--ivory-dim);}

/* ===== Section heads ===== */
.section-head{max-width:640px;margin-bottom:52px;}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.5rem);color: var(--ivory);}
.section-head p{color:var(--ivory-dim);font-size:1.05rem;}
.on-light .section-head h2,.on-light .section-head p{color:var(--text-dark);}

.advantages .section-head h2, .contacts .section-head h2 {
    color: var(--walnut);
    line-height: 1.2;
}

.advantages .section-head p, .contacts .section-head p {
    color: var(--walnut);
    line-height: 1.2;
}

/* ===== Categories ===== */
.categories{background:var(--espresso);}
.cat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:2px;
  background:rgba(185,140,78,.18);
}
.cat-card{
  background:var(--espresso-2);padding:34px 26px;min-height:190px;
  display:flex;flex-direction:column;justify-content:flex-end;gap:10px;
  position:relative;transition:background .25s;
}
.cat-card:hover{background:var(--walnut);}
.cat-icon{color:var(--brass-light);}
.cat-icon svg{width:30px;height:30px;}
.cat-card h3{font-size:1.05rem;color:var(--ivory);margin:0;}
.cat-card p{font-size:.85rem;color:var(--ivory-dim);margin:0;}
@media(max-width:980px){.cat-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:520px){.cat-grid{grid-template-columns:1fr;}}

/* ===== Advantages ===== */
.advantages{background:var(--ivory);color:var(--text-dark);}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;}
.adv-item{border-top:2px solid var(--brass);padding-top:18px;}
.adv-item h3{font-size:1.15rem;color:var(--text-dark);}
.adv-item p{color:#4a3f31;font-size:.95rem;}
@media(max-width:860px){.adv-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.adv-grid{grid-template-columns:1fr;}}

/* ===== Custom design (design-project) section ===== */
.design-project{
  position:relative;background:var(--walnut);overflow:hidden;
}
.dp-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;}
.dp-steps{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-direction:column;gap:18px;}
.dp-steps li{display:flex;gap:16px;align-items:flex-start;}
.dp-steps .tag{
  font-family:var(--serif);color:var(--brass-light);font-size:1rem;flex:none;
  border:1px solid var(--brass);border-radius:50%;width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
}
.dp-steps p{margin:0;color:var(--ivory-dim);}
.dp-steps b{color:var(--ivory);}
.dp-photo{border-radius:var(--radius);overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.4);}
.dp-photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;}
@media(max-width:900px){.dp-grid{grid-template-columns:1fr;}.dp-photo{order:-1;}}

/* ===== Gallery ===== */
.gallery{background:var(--espresso);}
.gal-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
}
.gal-item{
  position:relative;overflow:hidden;border-radius:var(--radius);
  aspect-ratio:1/1;cursor:zoom-in;background:var(--espresso-2);
}
.gal-item img{
  width:100%;height:100%;object-fit:cover;transition:transform .5s ease;
}
.gal-item:hover img{transform:scale(1.08);}
.gal-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,.55) 100%);
  opacity:0;transition:opacity .3s;
}
.gal-item:hover::after{opacity:1;}
@media(max-width:900px){.gal-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:600px){.gal-grid{grid-template-columns:repeat(2,1fr);gap:8px;}}

/* lazy-loaded gallery images: fade in once actually loaded, no half-loaded flash */
.lazy-img{
  opacity:0;
  transition:opacity .5s ease, transform .5s ease;
}
.lazy-img.is-loaded{opacity:1;}
/* soft shimmer placeholder while the real photo is still loading */
.gal-item{
  background-image:linear-gradient(100deg, var(--espresso-2) 30%, #2c2319 50%, var(--espresso-2) 70%);
  background-size:200% 100%;
  animation:shimmer 1.6s ease-in-out infinite;
}
.gal-item:has(.is-loaded){animation:none;background:var(--espresso-2);}
@keyframes shimmer{
  0%{background-position:200% 0;}
  100%{background-position:-200% 0;}
}

.lightbox{
  position:fixed;inset:0;background:rgba(15,11,8,.94);z-index:1000;
  display:none;align-items:center;justify-content:center;padding:24px;
}
.lightbox.open{display:flex;}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:var(--radius);box-shadow:0 20px 60px rgba(0,0,0,.5);}
.lightbox-close{
  position:absolute;top:24px;right:28px;color:var(--ivory);font-size:2rem;
  background:none;border:none;cursor:pointer;line-height:1;
}
.lightbox-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  background:none;border:none;color:var(--ivory);font-size:2.4rem;cursor:pointer;
  padding:12px;opacity:.7;transition:opacity .2s;
}
.lightbox-nav:hover{opacity:1;}
.lightbox-prev{left:12px;}
.lightbox-next{right:12px;}

/* ===== Contacts ===== */
.contacts{background:var(--ivory);color:var(--text-dark);}

.contact-cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-bottom:44px;
}
.contact-card{
  background:#fff;border:1px solid rgba(58,42,29,.08);border-radius:var(--radius);
  padding:34px 30px;display:flex;flex-direction:column;gap:8px;
  box-shadow:0 1px 2px rgba(36,29,22,.04);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.contact-card:hover{
  transform:translateY(-4px);
  box-shadow:0 20px 40px rgba(58,42,29,.12);
  border-color:rgba(185,140,78,.4);
}
.cc-icon{
  width:52px;height:52px;border-radius:50%;
  background:rgba(185,140,78,.1);color:var(--brass);
  display:flex;align-items:center;justify-content:center;margin-bottom:10px;
}
.cc-icon svg{width:24px;height:24px;}
.contact-card h3{font-size:1.15rem;margin:0;color:var(--text-dark);}
.contact-card p{color:#5c5040;font-size:.92rem;margin:0 0 6px;min-height:2.6em;}
.cc-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--text-dark);
  border-bottom:1px solid var(--brass);padding-bottom:2px;width:fit-content;
  transition:color .2s,gap .2s;
}
.cc-link .arrow{transition:transform .2s;color:var(--brass);}
.cc-link:hover{color:var(--brass);}
.cc-link:hover .arrow{transform:translateX(4px);}

.contacts-secondary{
  display:flex;flex-wrap:wrap;gap:32px;
  padding:26px 30px;background:#fff;border:1px solid rgba(58,42,29,.08);border-radius:var(--radius);
  margin-bottom:28px;
}
.cs-item{display:flex;align-items:center;gap:12px;font-size:.95rem;color:#4a3f31;}
.cs-item svg{width:20px;height:20px;color:var(--brass);flex:none;}
.cs-item a{border-bottom:1px solid transparent;transition:border-color .2s;color:#4a3f31;}
.cs-item a:hover{border-color:var(--brass);}

.map-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid rgba(0,0,0,.08);}
.map-wrap iframe{width:100%;height:340px;border:0;display:block;}

@media(max-width:900px){
  .contact-cards{grid-template-columns:1fr;}
  .contacts-secondary{flex-direction:column;gap:16px;}
}

/* ===== Footer ===== */
.site-footer{background:var(--espresso-2);padding:36px 0;font-size:.85rem;color:var(--ivory-dim);}
.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.footer-inner a{color:var(--ivory-dim);}
.footer-inner a:hover{color:var(--brass-light);}

/* ===== Floating action buttons ===== */
.fab-stack{
  position:fixed;right:20px;bottom:20px;z-index:900;
  display:flex;flex-direction:column;gap:12px;
}
.fab{
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px rgba(0,0,0,.35);
  transition:transform .2s ease;
  color:#fff;
}
.fab:hover{transform:scale(1.08);}
.fab svg{width:26px;height:26px;}
.fab-call{background:var(--brass);}
.fab-whatsapp{background:#25D366;}
.fab-telegram{background:#2AABEE;}
@media(max-width:480px){
  .fab{width:50px;height:50px;}
  .fab-stack{right:14px;bottom:14px;gap:10px;}
}

/* fade-in on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
  .gal-item{animation:none;}
}

:focus-visible{outline:2px solid var(--brass-light);outline-offset:2px;}