:root{
  --bg:#f6f4ef;
  --paper:#ffffff;
  --ink:#1a1f1c;
  --muted:#515a55;
  --line:rgba(0,0,0,.08);
  --green:#1f3a2f;   /* forest */
  --steel:#6b6f72;   /* steel gray */
  --orange:#d9791f;  /* construction orange */
  --shadow: 0 10px 30px rgba(0,0,0,.10);
  --radius: 18px;
  --max: 1120px;
}

/* base */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(31,58,47,.10), transparent 60%),
    radial-gradient(900px 500px at 95% 10%, rgba(217,121,31,.08), transparent 55%),
    linear-gradient(180deg, var(--bg), #fff 45%, var(--bg));
  line-height:1.55;
}
a{color:inherit}
img{max-width:100%;display:block}
.container{width:min(var(--max), calc(100% - 40px)); margin:0 auto;}
.small{font-size:.92rem;color:var(--muted)}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  font-size:.78rem;color:rgba(31,58,47,.85)
}
.kicker:before{
  content:""; width:18px; height:3px; border-radius:2px; background:var(--orange);
  box-shadow: 0 0 0 3px rgba(217,121,31,.14);
}

/* header */
header{
  background:rgba(255,255,255,.75);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;
  gap:18px;
}
.brand{
  display:flex; align-items:center; gap:14px; text-decoration:none;
}
.brand img{
  width:46px;height:46px;border-radius:12px;
  border:1px solid rgba(0,0,0,.10);
  background:#fff;
}
.brand .name{
  display:flex;flex-direction:column;line-height:1.1
}
.brand .name strong{letter-spacing:.04em}
.brand .name span{font-size:.82rem;color:var(--muted)}
nav ul{
  list-style:none;margin:0;padding:0;display:flex;gap:16px;align-items:center;
}
nav a{
  text-decoration:none;
  padding:10px 12px;border-radius:12px;
  color:rgba(26,31,28,.9);
  font-weight:600;
}
nav a:hover{background:rgba(31,58,47,.08)}
nav a.active{background:rgba(31,58,47,.12); color:var(--green)}
.nav-cta{
  display:flex; gap:10px; align-items:center;
}
.btn{
  appearance:none;border:1px solid rgba(0,0,0,.12);
  background:var(--paper);
  padding:11px 14px;
  border-radius:14px;
  font-weight:700;
  text-decoration:none;
  display:inline-flex; align-items:center; justify-content:center;
  box-shadow: 0 8px 18px rgba(0,0,0,.06);
}
.btn:hover{transform:translateY(-1px)}
.btn.primary{
  border-color:rgba(31,58,47,.28);
  background:linear-gradient(180deg, rgba(31,58,47,.95), rgba(31,58,47,.85));
  color:#fff;
}
.btn.primary:hover{filter:brightness(1.03)}
.btn.ghost{
  background:transparent;
  box-shadow:none;
}

/* hero */
.hero{
  padding:48px 0 28px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:28px;
  align-items:stretch;
}
.hero-card{
  background:rgba(255,255,255,.88);
  border:1px solid var(--line);
  border-radius: calc(var(--radius) + 8px);
  box-shadow: var(--shadow);
  padding:28px;
  position:relative;
  overflow:hidden;
}
.hero-card:after{
  content:"";
  position:absolute; inset:-120px -160px auto auto;
  width:340px; height:340px;
  background:radial-gradient(circle, rgba(217,121,31,.18), transparent 60%);
  transform:rotate(18deg);
}
h1{
  font-size: clamp(2rem, 2.8vw, 3rem);
  line-height:1.08; margin:14px 0 14px;
  letter-spacing:-.02em;
}
.lede{font-size:1.08rem;color:rgba(26,31,28,.86); max-width:58ch}
.hero-actions{
  display:flex; gap:12px; flex-wrap:wrap; margin-top:18px;
}
.badges{
  display:flex; gap:10px; flex-wrap:wrap; margin-top:18px;
}
.badge{
  display:inline-flex; gap:10px; align-items:center;
  padding:9px 12px;
  border-radius:999px;
  background:rgba(31,58,47,.06);
  border:1px solid rgba(31,58,47,.12);
  color:rgba(31,58,47,.92);
  font-weight:700;
  font-size:.9rem;
}
.badge i{
  width:10px;height:10px;border-radius:50%; background:var(--orange);
  box-shadow: 0 0 0 4px rgba(217,121,31,.14);
}
.hero-aside{
  background:rgba(255,255,255,.80);
  border:1px solid var(--line);
  border-radius: calc(var(--radius) + 8px);
  box-shadow: var(--shadow);
  overflow:hidden;
  display:flex; flex-direction:column;
}
.hero-aside .img{
  aspect-ratio: 4/3;
  background:
    linear-gradient(180deg, rgba(31,58,47,.1), rgba(31,58,47,0)),
    url("assets/img/placeholder-1.svg") center/cover no-repeat;
}
.hero-aside .panel{
  padding:18px 18px 20px;
}
.hero-aside .panel h3{margin:0 0 6px}
.hero-aside .panel p{margin:0;color:var(--muted)}
.hero-aside .panel .mini{
  margin-top:12px;
  padding:12px;
  border-radius:14px;
  background:rgba(0,0,0,.03);
  border:1px dashed rgba(0,0,0,.14);
  font-weight:650;
  color:rgba(26,31,28,.92);
}

/* sections */
.section{padding:34px 0}
.section h2{
  font-size:1.8rem; margin:10px 0 10px; letter-spacing:-.01em;
}
.grid3{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:16px;
}
.card{
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 26px rgba(0,0,0,.06);
  padding:18px;
}
.card h3{margin:6px 0 8px; font-size:1.1rem}
.card p{margin:0;color:var(--muted)}
.card .icon{
  width:42px;height:42px;border-radius:14px;
  background:rgba(31,58,47,.10);
  border:1px solid rgba(31,58,47,.18);
  display:grid; place-items:center;
  font-weight:900; color:var(--green);
}
.split{
  display:grid; grid-template-columns: 1fr 1fr; gap:16px;
}
.callout{
  border-left:6px solid var(--orange);
  padding:16px 16px 16px 14px;
  background:rgba(217,121,31,.06);
  border-radius: var(--radius);
  border:1px solid rgba(217,121,31,.18);
}

/* lists */
.list{
  margin:12px 0 0; padding-left:18px; color:var(--muted);
}
.list li{margin:8px 0}

/* gallery grid */
.gallery{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.thumb{
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line);
  background:rgba(255,255,255,.9);
  box-shadow: 0 10px 22px rgba(0,0,0,.06);
}
.thumb img{width:100%;height:auto}
.thumb .meta{padding:10px 12px; font-weight:700}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 10px;border-radius:999px;
  background:rgba(31,58,47,.06);
  border:1px solid rgba(31,58,47,.12);
  color:rgba(31,58,47,.92);
  font-weight:750;
  font-size:.9rem;
}

/* forms */
form{
  display:grid; gap:12px;
}
label{font-weight:750}
input, select, textarea{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(0,0,0,.14);
  background:rgba(255,255,255,.92);
  font:inherit;
}
textarea{min-height:130px; resize:vertical}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:12px}
.help{font-size:.9rem;color:var(--muted); margin-top:-6px}

/* footer */
footer{
  padding:28px 0 40px;
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.55);
}
.footer-grid{
  display:grid; grid-template-columns: 1.2fr .8fr; gap:16px; align-items:start;
}
.footer-links a{display:inline-block; margin:6px 14px 0 0; color:rgba(26,31,28,.86); text-decoration:none}
.footer-links a:hover{text-decoration:underline}

/* popup */
#refPopup{
  position:fixed; left:18px; bottom:18px;
  width:min(420px, calc(100% - 36px));
  background:rgba(255,255,255,.92);
  border:1px solid rgba(0,0,0,.14);
  border-radius:18px;
  box-shadow: 0 18px 44px rgba(0,0,0,.18);
  padding:14px 14px 12px;
  display:none;
  z-index:9999;
}
#refPopup .top{
  display:flex; justify-content:space-between; gap:12px; align-items:flex-start;
}
#refPopup strong{display:block; margin-bottom:4px}
#refPopup p{margin:0;color:var(--muted)}
#refPopup .actions{
  display:flex; gap:10px; margin-top:12px; align-items:center;
}
#refPopup button{
  border:none; cursor:pointer;
}
#refPopup .x{
  background:transparent; box-shadow:none; border:none;
  padding:8px 10px; border-radius:12px; font-weight:900;
  color:rgba(0,0,0,.55)
}
#refPopup .x:hover{background:rgba(0,0,0,.06)}
#refPopup .miniBtn{
  padding:10px 12px;
  border-radius:14px;
  background:rgba(31,58,47,.10);
  border:1px solid rgba(31,58,47,.16);
  font-weight:800;
}
#refPopup .miniBtn:hover{filter:brightness(1.03)}
#refPopup select{padding:10px 12px}

/* responsive */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  nav ul{display:none}
  .nav-cta .btn.ghost{display:none}
}
@media (max-width: 560px){
  .gallery{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}