:root{
--ink:      #23262b;   /* графит */
--paper:    #f4f2ec;   /* тёплый светлый фон */
--paper-2:  #eae6db;   /* чуть темнее фон для карточек */
--sage:     #5f7350;   /* приглушённый шалфейный зелёный — акцент */
--sage-dk:  #46583a;
--oak:      #b98a4e;   /* тёплое дерево — второй акцент */
--line:     rgba(35,38,43,.14);
}

html{scroll-behavior:smooth;}

body{
background:var(--paper);
color:var(--ink);
font-family:'Inter',sans-serif;
-webkit-font-smoothing:antialiased;
}

h1,h2,h3,.display-font{
font-family:'Manrope',sans-serif;
letter-spacing:-.01em;
}

a{color:inherit;}

/* ---------- NAVBAR ---------- */
.navbar{
background:var(--paper);
border-bottom:1px solid var(--line);
padding-top:.9rem;
padding-bottom:.9rem;
}
.navbar-brand{
font-family:'Manrope',sans-serif;
font-weight:800;
font-size:1.15rem;
letter-spacing:-.01em;
}
.navbar-brand span{color:var(--sage);}
.nav-link{
font-weight:500;
color:var(--ink) !important;
opacity:.75;
}
.nav-link:hover{opacity:1;}
.btn-nav-cta{
background:var(--sage);
color:#fff;
border-radius:999px;
padding:.5rem 1.25rem;
font-weight:600;
font-size:.9rem;
border:none;
text-decoration:none;
}
.btn-nav-cta:hover{background:var(--sage-dk);color:#fff;}

/* ---------- HERO ---------- */
.hero{
padding:5.5rem 0 4.5rem;
position:relative;
overflow:hidden;
}
.hero-eyebrow{
text-transform:uppercase;
letter-spacing:.14em;
font-size:.75rem;
font-weight:600;
color:var(--sage-dk);
}
.hero h1{
font-size:clamp(2.1rem, 5vw, 3.4rem);
font-weight:800;
line-height:1.08;
margin:.6rem 0 1.1rem;
}
.hero h1 em{
font-style:normal;
color:var(--sage);
}
.hero p.lead{
font-size:1.08rem;
color:#4a4d52;
max-width:32rem;
}
.hero-joint{
position:absolute;
right:-60px;
top: 110px;
width: 450px;
height: 236px;
opacity:.55;
pointer-events:none;
}
@media (max-width:991px){ .hero-joint{display:none;} }

.btn-primary-cta{
background:var(--ink);
color:#fff;
border:none;
border-radius:999px;
padding:.85rem 1.9rem;
font-weight:600;
font-size:1rem;
}
.btn-primary-cta:hover{background:var(--sage-dk);color:#fff;}

.hero-stats{
display:flex;
gap:2.2rem;
margin-top:2.6rem;
flex-wrap:wrap;
}
.hero-stats .num{
font-family:'Manrope',sans-serif;
font-weight:800;
font-size:1.5rem;
color:var(--ink);
}
.hero-stats .cap{
font-size:.8rem;
color:#6a6d72;
}

/* ---------- CATALOG ---------- */
.catalog{padding:2rem 0 5rem;}
.section-head{margin-bottom:2.6rem;}
.section-head .eyebrow{
text-transform:uppercase;
letter-spacing:.14em;
font-size:.75rem;
font-weight:600;
color:var(--sage-dk);
}
.section-head h2{
font-size:clamp(1.6rem,3vw,2.2rem);
font-weight:800;
margin-top:.4rem;
}

.cat-card{
background:var(--paper-2);
border:1px solid var(--line);
border-radius:18px;
padding:1.9rem 1.7rem 1.7rem;
height:100%;
display:flex;
flex-direction:column;
cursor:pointer;
transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
}
.cat-card:hover{
transform:translateY(-6px);
box-shadow:0 18px 34px -18px rgba(35,38,43,.35);
border-color:var(--sage);
background:#fff;
}
.cat-icon{
width:56px;
height:56px;
margin-bottom:1.1rem;
color:var(--sage-dk);
}
.cat-icon svg{width:100%;height:100%;}
.cat-card h3{
font-size:1.18rem;
font-weight:700;
margin-bottom:.45rem;
}
.cat-card p{
font-size:.92rem;
color:#5a5d62;
margin-bottom:1.2rem;
flex-grow:1;
}
.cat-card .cat-cta{
font-size:.86rem;
font-weight:600;
color:var(--sage-dk);
display:inline-flex;
align-items:center;
gap:.4rem;
}
.cat-card .cat-cta svg{
width:14px;height:14px;
transition:transform .2s ease;
}
.cat-card:hover .cat-cta svg{transform:translateX(4px);}
.cat-index{
font-size:.75rem;
color:#9a9d9f;
font-weight:600;
margin-bottom:.6rem;
}

/* ---------- HOW IT WORKS (schematic strip) ---------- */
.strip{
background:var(--ink);
color:#f4f2ec;
padding:3.3rem 0;
}
.strip .step{
display:flex;
align-items:flex-start;
gap:.9rem;
}
.strip .step .n{
font-family:'Manrope',sans-serif;
font-weight:800;
font-size:1.5rem;
color:var(--oak);
line-height:1;
}
.strip .step p{
margin:0;
font-size:.92rem;
color:#cfd0cd;
}
.strip .step p.text-center {
margin:0 auto;
}
.strip .step strong{
display:block;
color:#fff;
font-size:1rem;
margin-bottom:.15rem;
}

/* ---------- CONTACT ---------- */
.contact{padding:5rem 0;}
.contact-box{
background:var(--paper-2);
border-radius:22px;
padding:3rem 2.4rem;
border:1px solid var(--line);
}
.contact-methods{
display:flex;
gap:1rem;
flex-wrap:wrap;
margin-top:1.8rem;
}
.contact-method{
flex:1 1 220px;
background:#fff;
border:1px solid var(--line);
border-radius:14px;
padding:1.3rem 1.4rem;
text-decoration:none;
color:var(--ink);
display:flex;
align-items:center;
gap:.9rem;
transition:border-color .2s ease, transform .2s ease;
}
.contact-method:hover{border-color:var(--sage);transform:translateY(-3px);color:var(--ink);}
.contact-method .ic{
width:40px;height:40px;
flex:0 0 40px;
border-radius:50%;
background:var(--paper);
display:flex;align-items:center;justify-content:center;
color:var(--sage-dk);
}
.contact-method .ic svg{width:20px;height:20px;}
.contact-method .tt{font-weight:700;font-size:.96rem;}
.contact-method .ss{font-size:.8rem;color:#6a6d72;}

/* ---------- MODAL ---------- */
.modal-content{
border-radius:20px;
border:none;
}
.modal-header{border-bottom:1px solid var(--line);}
.modal-title{font-family:'Manrope',sans-serif;font-weight:800;}
#modalCatName{color:var(--sage-dk);}

/* ---------- FOOTER ---------- */
footer{
padding:2.2rem 0;
border-top:1px solid var(--line);
font-size:.85rem;
color:#6a6d72;
}

/* fade-in on scroll */
.fade-up{
opacity:0;
transform:translateY(22px);
transition:opacity .6s ease, transform .6s ease;
}
.fade-up.in{
opacity:1;
transform:translateY(0);
}