:root{
  --bg:#070a0f;
  --card:#0b1220;
  --card2:#0a0f1a;
  --text:#e9eefc;
  --muted:#a9b4cf;
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.07);
  --accent:#7dd3fc;
  --accent2:#60a5fa;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --radius:20px;
  --radius2:28px;
  --container: 1120px;
  --pad: 18px;
  --pad2: 26px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg,#05070c,#05070c 40%, #070a0f);color:var(--text);font-family:var(--font);}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;}
.muted{color:var(--muted);}
.lead{color:rgba(233,238,252,.86);font-size:18px;line-height:1.6;margin:0;}
.kicker{margin:0 0 10px;color:rgba(233,238,252,.65);text-transform:uppercase;letter-spacing:.18em;font-size:12px;}
.section{padding:68px 0;}
.section-alt{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));border-top:1px solid var(--line2);border-bottom:1px solid var(--line2);}
.section-head{margin-bottom:22px;}
.section-head h2{margin:0 0 8px;font-size:30px;letter-spacing:-.02em;}
.section-head p{margin:0;color:rgba(233,238,252,.78);line-height:1.6;}
/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,10,15,.66);backdrop-filter:blur(14px);border-bottom:1px solid var(--line2);}
.header-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:650;letter-spacing:-.01em;}
.brand-mark{width:14px;height:14px;border-radius:6px;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 0 0 3px rgba(125,211,252,.12);}
.brand-name{font-size:15px;}
.nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.nav-link{padding:10px 12px;border-radius:999px;color:rgba(233,238,252,.86);font-size:14px;border:1px solid transparent;}
.nav-link:hover{border-color:var(--line);background:rgba(255,255,255,.03);}
.nav-pill{border-color:rgba(125,211,252,.25);background:rgba(125,211,252,.08);}
.header-cta{display:flex;gap:10px;align-items:center;}
/* Dropdown */
.nav-dropdown{position:relative;}
.nav-btn{background:transparent;border:0;cursor:pointer}
.nav-menu{display:none;position:absolute;top:44px;left:0;min-width:220px;background:rgba(8,12,20,.96);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;}
.nav-menu a{display:block;padding:10px 12px;border-radius:12px;color:rgba(233,238,252,.85);font-size:14px;}
.nav-menu a:hover{background:rgba(255,255,255,.05);}
.nav-dropdown:hover .nav-menu{display:block;}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:999px;font-weight:600;font-size:14px;border:1px solid var(--line);}
.btn-solid{background:linear-gradient(135deg,rgba(125,211,252,.22),rgba(96,165,250,.18));border-color:rgba(125,211,252,.25);}
.btn-solid:hover{filter:brightness(1.08);}
.btn-ghost{background:rgba(255,255,255,.03);}
.btn-ghost:hover{background:rgba(255,255,255,.06);}
/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line2);}
.hero-media{position:absolute;inset:0;filter:saturate(1.05);}
.hero-content{display:flex;align-items:end;min-height:72vh;padding:60px 0;}
.hero-card{max-width:640px;background:rgba(8,12,20,.72);border:1px solid var(--line);border-radius:var(--radius2);padding:24px;box-shadow:var(--shadow);}
.hero-card h1{margin:0 0 10px;font-size:46px;letter-spacing:-.03em;line-height:1.08;}
.hero-card p{margin:0;}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
/* Grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
@media (max-width: 980px){
  .grid-3,.grid-6{grid-template-columns:1fr;}
  .header-cta{display:none;}
}
.card{background:rgba(8,12,20,.72);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 12px 40px rgba(0,0,0,.25);}
.card h3{margin:0 0 8px;font-size:18px;letter-spacing:-.01em;}
.card p{margin:0;color:rgba(233,238,252,.78);line-height:1.6;}
.card:hover{transform:translateY(-1px);transition:.18s ease; border-color:rgba(125,211,252,.25);}
.step{background:rgba(8,12,20,.62);border:1px solid var(--line);border-radius:var(--radius);padding:18px;}
.step-num{display:inline-block;font-size:11px;letter-spacing:.18em;color:rgba(233,238,252,.65);text-transform:uppercase;margin-bottom:10px;}
.step h3{margin:0 0 8px;font-size:18px;}
.step p{margin:0;color:rgba(233,238,252,.78);line-height:1.6;}
/* Split / media */
.split{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start;}
@media(max-width:980px){.split{grid-template-columns:1fr;}}
.media-card{border:1px solid var(--line);border-radius:var(--radius2);overflow:hidden;background:rgba(8,12,20,.62);}
.media{height:340px;background:
  linear-gradient(135deg,rgba(125,211,252,.25),rgba(96,165,250,.10)),
  radial-gradient(900px 380px at 30% 20%, rgba(255,255,255,.12), rgba(255,255,255,0) 60%),
  radial-gradient(700px 420px at 70% 80%, rgba(125,211,252,.10), rgba(255,255,255,0) 62%);
background-size:cover;background-position:center;}
.media-2ch{background:
  linear-gradient(135deg,rgba(125,211,252,.22),rgba(96,165,250,.08)),
  radial-gradient(900px 380px at 25% 20%, rgba(255,255,255,.12), rgba(255,255,255,0) 60%),
  radial-gradient(700px 420px at 75% 80%, rgba(125,211,252,.10), rgba(255,255,255,0) 62%);}
.media-caption{padding:16px 18px;border-top:1px solid var(--line2);}
.media-caption strong{display:block;margin:0 0 6px;}
.media-caption p{margin:0;color:rgba(233,238,252,.78);line-height:1.6;}
/* Checklist */
.checklist{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px;}
.checklist li{position:relative;padding-left:26px;color:rgba(233,238,252,.80);line-height:1.55;}
.checklist li:before{content:"✓";position:absolute;left:0;top:0;color:rgba(125,211,252,.95);}
/* Callout */
.callout{display:flex;align-items:center;justify-content:space-between;gap:16px;background:rgba(8,12,20,.62);border:1px solid var(--line);border-radius:var(--radius2);padding:18px;}
@media(max-width:980px){.callout{flex-direction:column;align-items:flex-start;}}
.callout-actions{display:flex;gap:10px;flex-wrap:wrap;}
/* Projects */
.project{display:block;background:rgba(8,12,20,.62);border:1px solid var(--line);border-radius:var(--radius2);overflow:hidden;}
.project-img{height:210px;background:
  linear-gradient(135deg,rgba(125,211,252,.20),rgba(96,165,250,.06)),
  radial-gradient(800px 340px at 25% 25%, rgba(255,255,255,.10), rgba(255,255,255,0) 60%),
  radial-gradient(700px 420px at 75% 80%, rgba(125,211,252,.10), rgba(255,255,255,0) 62%);}
.project-body{padding:16px 18px;}
.project-body h3{margin:0 0 6px;}
.project-body p{margin:0;color:rgba(233,238,252,.78);line-height:1.6;}
.project:hover{border-color:rgba(125,211,252,.25);transform:translateY(-1px);transition:.18s ease;}
/* Footer */
.site-footer{border-top:1px solid var(--line2);padding:48px 0 24px;background:rgba(0,0,0,.22);}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:18px;}
@media(max-width:980px){.footer-grid{grid-template-columns:1fr;}}
.site-footer h4{margin:0 0 10px;font-size:14px;color:rgba(233,238,252,.9);}
.site-footer a{display:block;color:rgba(233,238,252,.75);padding:6px 0;}
.site-footer a:hover{color:rgba(125,211,252,.95);}
.brand-footer{font-weight:700;margin-bottom:10px;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line2);padding-top:16px;margin-top:18px;color:rgba(233,238,252,.72);font-size:13px;}
@media(max-width:980px){.footer-bottom{flex-direction:column;align-items:flex-start;}}


/* --- Residential homepage refresh --- */
.hero--residential .hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}
.hero--residential .eyebrow{letter-spacing:.18em;text-transform:uppercase;font-size:12px;color:var(--muted)}
.hero--residential .hero__title{font-size:clamp(34px,4.2vw,56px);line-height:1.05;margin:10px 0 12px}
.hero--residential .hero__subtitle{font-size:18px;max-width:60ch}
.hero--residential .hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.hero--residential .hero__trust{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
.hero--residential .trust__item{border:1px solid var(--border);background:rgba(255,255,255,.02);border-radius:16px;padding:12px}
.hero--residential .trust__kpi{font-weight:700}
.hero--residential .trust__label{color:var(--muted);font-size:12px;margin-top:2px}

.hero--residential .hero__visual{position:relative}
.visual__frame,.visual__card{border:1px solid var(--border);background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));border-radius:26px;overflow:hidden;box-shadow:0 24px 70px rgba(0,0,0,.45)}
.visual__frame{padding:16px}
.visual__stack{display:grid;grid-template-columns:1fr;gap:14px;margin-top:14px}
.visual__card{padding:14px;border-radius:22px}
.visual__tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.78)}
.visual__mock{margin-top:12px;border-radius:18px;border:1px solid rgba(255,255,255,.08);height:220px}
.visual__mock--theater{background:
  radial-gradient(80% 60% at 20% 15%, rgba(88,160,255,.35), transparent 55%),
  radial-gradient(70% 60% at 80% 20%, rgba(20,220,180,.25), transparent 55%),
  radial-gradient(90% 60% at 50% 85%, rgba(255,120,90,.20), transparent 60%),
  linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02))}
.visual__mock--hifi{height:150px;background:
  radial-gradient(80% 70% at 30% 20%, rgba(255,210,120,.22), transparent 60%),
  radial-gradient(70% 70% at 80% 40%, rgba(120,160,255,.22), transparent 62%),
  linear-gradient(135deg, rgba(255,255,255,.05), rgba(255,255,255,.02))}
.visual__mock--control{height:150px;background:
  radial-gradient(85% 70% at 25% 25%, rgba(120,255,200,.20), transparent 60%),
  radial-gradient(70% 70% at 80% 35%, rgba(140,180,255,.20), transparent 60%),
  linear-gradient(135deg, rgba(255,255,255,.05), rgba(255,255,255,.02))}
.visual__caption{margin-top:10px;border:1px solid var(--border);background:rgba(255,255,255,.02);border-radius:18px;padding:14px;color:var(--muted)}
.visual__caption strong{color:var(--text);display:block;margin-bottom:4px}

.section--residential .section-head{max-width:72ch}
.section--residential .section-foot{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.mini-list{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.mini-list li{margin:6px 0}

.section--why .kicker{letter-spacing:.18em;text-transform:uppercase;font-size:12px;color:var(--muted);margin-bottom:8px}
.section--why .lead{color:var(--muted);max-width:70ch}
.quote{margin-top:18px;padding:16px 18px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.02)}
.quote p{margin:0 0 6px;font-size:16px}
.quote span{color:var(--muted);font-size:13px}
.media-card{position:relative}
.media-card__visual{height:340px;border-radius:26px;border:1px solid rgba(255,255,255,.08);
  background:
    radial-gradient(90% 70% at 20% 20%, rgba(88,160,255,.30), transparent 60%),
    radial-gradient(80% 60% at 80% 40%, rgba(20,220,180,.22), transparent 60%),
    radial-gradient(90% 70% at 50% 90%, rgba(255,120,90,.16), transparent 62%),
    linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02))}
.media-card__chip{position:absolute;top:16px;left:16px;padding:10px 12px;border-radius:999px;border:1px solid var(--border);
  background:rgba(0,0,0,.35);backdrop-filter:blur(10px);font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.mini-row{display:grid;grid-template-columns:1fr;gap:10px;margin-top:12px}
.mini-row div{border:1px solid var(--border);background:rgba(255,255,255,.02);border-radius:16px;padding:12px}
.mini-row strong{display:block}
.mini-row span{display:block;color:var(--muted);font-size:13px;margin-top:2px}

@media (max-width: 900px){
  .hero--residential .hero__grid{grid-template-columns:1fr}
  .hero--residential .hero__trust{grid-template-columns:1fr}
  .media-card__visual{height:260px}
}