.demo-hero {
  position: relative;
  min-height: 600px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: #071a17;
}
.demo-hero > img,
.demo-hero::before,
.demo-hero::after { position: absolute; inset: 0; width: 100%; height: 100%; }
.demo-hero > img { object-fit: cover; object-position: center; filter: saturate(.92) contrast(1.05); }
.demo-hero::before {
  content: "";
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(4,20,17,.97) 0%, rgba(7,31,25,.90) 45%, rgba(6,27,23,.52) 100%),
    linear-gradient(0deg, rgba(4,20,17,.72), transparent 56%);
}
.demo-hero::after {
  content: "";
  z-index: 1;
  opacity: .24;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(90deg,#000,transparent 78%);
}
.demo-hero-inner { position: relative; z-index: 2; max-width: 920px; padding: 105px 0 92px; }
.demo-hero h1 { max-width: 900px; margin: 0; font-family: Georgia,"Times New Roman",serif; font-size: clamp(3.2rem,6vw,6rem); font-weight: 500; line-height: .98; letter-spacing: -.048em; }
.demo-hero p { max-width: 760px; margin: 25px 0 0; color: rgba(255,255,255,.80); font-size: clamp(1.05rem,1.8vw,1.25rem); }
.demo-hero .hero-actions { margin-top: 33px; }
.demo-metrics { position: relative; z-index: 3; margin-top: -58px; }
.demo-metrics-grid { display: grid; grid-template-columns: repeat(4,1fr); overflow: hidden; border: 1px solid rgba(21,32,29,.11); border-radius: 20px; background: #fff; box-shadow: 0 22px 60px rgba(13,32,26,.16); }
.demo-metrics article { min-height: 145px; padding: 27px 29px; border-right: 1px solid var(--line); }
.demo-metrics article:last-child { border-right: 0; }
.demo-metrics strong { display: block; color: var(--forest-2); font-family: Georgia,serif; font-size: 2.45rem; font-weight: 500; line-height: 1; }
.demo-metrics span { display: block; margin-top: 10px; color: var(--muted); font-size: .82rem; font-weight: 800; letter-spacing: .03em; }
.demo-intro { padding-top: 105px; }
.demo-intro-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 90px; align-items: start; }
.demo-intro-copy p { color: var(--muted); }
.demo-intro-copy .lead { color: var(--ink); margin-top: 0; }
.demo-principles { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 52px; }
.demo-principles article { padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 6px 0 rgba(16,46,39,.035); }
.demo-principles b { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 12px; color: #fff; background: var(--forest-2); font-family: Georgia,serif; font-size: 1.15rem; }
.demo-principles h3 { margin: 18px 0 8px; font-family: Georgia,serif; font-size: 1.28rem; font-weight: 500; }
.demo-principles p { margin: 0; color: var(--muted); font-size: .86rem; }
.demo-catalogue { background: #f1eee5; }
.filterbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 38px; }
.filterbar button { padding: 10px 15px; border: 1px solid var(--line); border-radius: 999px; color: var(--forest); background: #fff; font-weight: 800; cursor: pointer; transition: .2s ease; }
.filterbar button:hover,.filterbar button.active { color: #fff; border-color: var(--forest); background: var(--forest); }
.demo-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; margin-top: 35px; }
.demo-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 7px 0 rgba(16,46,39,.035); transition: transform .25s ease,box-shadow .25s ease; }
.demo-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.demo-card[hidden] { display: none; }
.demo-card figure { position: relative; height: 250px; margin: 0; overflow: hidden; background: var(--forest); }
.demo-card figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.demo-card:hover figure img { transform: scale(1.035); }
.demo-card figure::after { content:""; position:absolute; inset:0; background:linear-gradient(0deg,rgba(3,21,16,.72),transparent 58%); }
.demo-badge { position: absolute; z-index: 2; left: 18px; bottom: 17px; padding: 7px 11px; border-radius: 999px; color: #fff; background: rgba(9,40,32,.82); font-size: .7rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; backdrop-filter: blur(7px); }
.demo-card-body { padding: 29px 31px 31px; }
.demo-card-head { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.demo-card h3 { margin: 0; font-family: Georgia,serif; font-size: 1.85rem; font-weight: 500; line-height: 1.13; }
.demo-index { flex: 0 0 auto; color: var(--copper); font-family: Georgia,serif; font-size: 1.25rem; }
.demo-card-body > p { color: var(--muted); }
.demo-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 17px 0 0; }
.demo-tags span { padding: 6px 9px; border-radius: 999px; color: #36564c; background: #edf4f0; font-size: .69rem; font-weight: 800; }
.demo-features { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; margin-top: 21px; padding-top: 20px; border-top: 1px solid var(--line); }
.demo-features h4 { margin: 0 0 8px; color: var(--copper-dark); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
.demo-features ul { margin: 0; padding-left: 17px; }
.demo-features li { margin: 5px 0; color: #475550; font-size: .82rem; }
.demo-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 23px; }
.demo-actions a { min-height: 42px; }
.button-outline { display: inline-flex; align-items:center; justify-content:center; min-height:42px; padding:10px 16px; border:1px solid var(--forest); border-radius:999px; color:var(--forest); background:transparent; text-decoration:none; font-weight:800; }
.button-outline:hover { color:#fff; background:var(--forest); }
.legacy-panel { display: grid; grid-template-columns: 1fr auto; gap: 42px; align-items: center; padding: 44px 48px; border-radius: var(--radius); color: #fff; background: linear-gradient(135deg,#0e4639,#0a261f); box-shadow: var(--shadow); }
.legacy-panel h2 { margin: 0; font-family: Georgia,serif; font-size: clamp(2rem,4vw,3.4rem); font-weight: 500; line-height: 1.08; }
.legacy-panel p { max-width: 790px; margin: 15px 0 0; color: rgba(255,255,255,.70); }
.workflow-strip { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 48px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.workflow-strip article { min-height: 220px; padding: 28px 24px; border-right: 1px solid var(--line); }
.workflow-strip article:first-child { border-left: 1px solid var(--line); }
.workflow-strip span { color: var(--copper); font-family: Georgia,serif; font-size: 1.7rem; }
.workflow-strip h3 { margin: 26px 0 8px; font-family: Georgia,serif; font-size: 1.25rem; font-weight: 500; }
.workflow-strip p { margin: 0; color: var(--muted); font-size: .86rem; }
.demo-note { margin-top: 34px; padding: 20px 23px; border: 1px solid #d8c28f; border-radius: 14px; color: #67552e; background: #fff9e8; font-size: .88rem; }
@media(max-width:1050px){
 .demo-metrics-grid,.demo-principles{grid-template-columns:repeat(2,1fr)}
 .demo-metrics article:nth-child(2),.demo-principles article:nth-child(2){border-right:0}
 .demo-metrics article:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media(max-width:820px){
 .demo-hero{min-height:520px}.demo-hero-inner{padding:88px 0 82px}
 .demo-intro-grid{grid-template-columns:1fr;gap:40px}
 .demo-grid{grid-template-columns:1fr}
 .legacy-panel{grid-template-columns:1fr;padding:37px}
 .workflow-strip{grid-template-columns:repeat(2,1fr)}
 .workflow-strip article:nth-child(odd){border-left:1px solid var(--line)}
}
@media(max-width:560px){
 .demo-metrics-grid,.demo-principles,.workflow-strip{grid-template-columns:1fr}
 .demo-metrics article{border-right:0;border-bottom:1px solid var(--line)}
 .demo-card figure{height:215px}.demo-card-body{padding:25px 23px 27px}
 .demo-features{grid-template-columns:1fr}
 .workflow-strip article{min-height:auto;border-left:1px solid var(--line);border-bottom:1px solid var(--line)}
}