:root{
  --stone:#F4F1EC;
  --sand:#E8E0D4;
  --charcoal:#121212;
  --ink:#171717;
  --muted:#686868;
  --line:rgba(18,18,18,.12);
  --white:#fff;
  --mist:#f7f5f1;
  --violet:#6E46FF;
  --teal:#009CA6;
  --blue:#4388EF;
  --grad:linear-gradient(120deg,#6E46FF,#4388EF 52%,#009CA6);
  --shadow:0 24px 80px rgba(0,0,0,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--stone);
  color:var(--charcoal);
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
h1,h2,h3,p{margin:0}

/* ── Navigation ── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(244,241,236,.92);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.5);
}
.nav-inner{
  max-width:1240px;margin:auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:13px}
.brand-icon{
  width:44px;height:44px;display:grid;place-items:center;overflow:hidden;
}
.brand-icon img{width:40px;height:40px;object-fit:contain;filter:brightness(0)}
.brand strong{display:block;font-size:14px;letter-spacing:.04em;text-transform:uppercase}
.brand span{font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:#777}
.nav-links{display:flex;gap:28px;font-size:14px;color:#666}
.nav-links a{transition:.2s ease}
.nav-links a:hover{color:#111}
.nav-links a.active{color:#111;font-weight:700}

/* ── Mobile menu ── */
.mobile-menu-btn{
  display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;
}
.mobile-menu-btn span{width:22px;height:2px;background:#111;border-radius:2px;transition:.2s}
.mobile-menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mobile-menu-btn.open span:nth-child(2){opacity:0}
.mobile-menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ── Buttons ── */
.btn{
  border:0;border-radius:999px;padding:13px 22px;font-weight:800;cursor:pointer;
  transition:.2s;background:#111;color:white;display:inline-flex;align-items:center;gap:10px;
  box-shadow:0 16px 40px rgba(0,0,0,.12);font-size:14px;
}
.btn:hover{transform:translateY(-1px);background:#2a2a2a}
.btn-light{background:white;color:#111}
.btn-outline{background:transparent;color:white;border:1px solid rgba(255,255,255,.3);box-shadow:none}
.btn-grad{background:var(--grad)}
.btn-grad:hover{background:var(--grad);opacity:.9}

/* ── Eyebrow ── */
.eyebrow{
  display:inline-block;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.32em;
}

/* ── Hero ── */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:flex-end;
  padding:120px 24px 64px;overflow:hidden;background:#111;
}
.hero-bg{
  position:absolute;inset:0;
  background:
    linear-gradient(to top,rgba(0,0,0,.92),rgba(0,0,0,.48),rgba(0,0,0,.12)),
    url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?q=80&w=2400&auto=format&fit=crop') center/cover;
  animation:heroDrift 18s ease-in-out infinite alternate;
  transform:scale(1.06);
}
@keyframes heroDrift{
  from{transform:scale(1.06) translateY(0)}
  to{transform:scale(1.1) translateY(-14px)}
}
.hero-grid{
  position:relative;z-index:2;max-width:1240px;margin:auto;width:100%;
  display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:end;
}
.hero .eyebrow{
  color:white;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);
  border-radius:999px;padding:10px 16px;backdrop-filter:blur(10px);
}
h1{
  font-size:clamp(58px,8vw,112px);line-height:.9;letter-spacing:-.075em;color:white;margin:24px 0 0;
  max-width:850px;text-transform:uppercase;
}
.hero p{font-size:20px;line-height:1.7;color:rgba(255,255,255,.76);max-width:720px;margin-top:26px}
.hero-actions{margin-top:34px;display:flex;gap:12px;flex-wrap:wrap}
.glass-card{
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.25);
  border-radius:32px;padding:30px;color:white;backdrop-filter:blur(18px);box-shadow:0 24px 80px rgba(0,0,0,.35)
}
.logo-card{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:26px}
.logo-card img{width:112px}
.hero-card-pill{
  color:rgba(255,255,255,.62);font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  border:1px solid rgba(255,255,255,.22);padding:9px 12px;border-radius:999px;
}
.glass-card h3{font-size:30px;line-height:1;margin:12px 0 18px;text-transform:uppercase;letter-spacing:-.04em}
.meta{display:grid;gap:14px;color:rgba(255,255,255,.76);font-size:15px}
.meta div{display:flex;gap:10px;align-items:center}

/* ── Page hero (interior pages) ── */
.page-hero{
  background:#111;color:white;padding:140px 24px 72px;
  position:relative;overflow:hidden;
}
.page-hero-bg{
  position:absolute;inset:0;opacity:.28;
  background:var(--grad);
}
.page-hero-inner{
  position:relative;z-index:2;max-width:1240px;margin:auto;
}
.page-hero .eyebrow{
  color:rgba(255,255,255,.55);font-size:11px;letter-spacing:.3em;
}
.page-hero h1{
  font-size:clamp(46px,7vw,96px);margin-top:18px;max-width:none;
}
.page-hero p{
  font-size:19px;line-height:1.75;color:rgba(255,255,255,.7);max-width:680px;margin-top:22px;
}

/* ── Sections ── */
.section{padding:112px 24px}
.container{max-width:1240px;margin:auto}
.section-head{text-align:center;max-width:780px;margin:0 auto 64px}
.section-head .eyebrow{color:#6f7f86}
.section-head h2{font-size:clamp(38px,5vw,70px);line-height:1;letter-spacing:-.055em;margin:14px 0 0;text-transform:uppercase}
.section-head p{font-size:18px;line-height:1.7;color:#666;margin-top:20px}

/* ── Light section (home overview cards) ── */
.overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.overview-card{
  background:white;border:1px solid var(--line);border-radius:34px;padding:36px;
  box-shadow:0 12px 40px rgba(0,0,0,.05);transition:.35s ease;display:flex;flex-direction:column;
}
.overview-card:hover{transform:translateY(-6px);box-shadow:0 24px 70px rgba(0,0,0,.1)}
.overview-icon{
  width:54px;height:54px;border-radius:18px;background:#111;display:grid;place-items:center;
  margin-bottom:26px;font-size:24px;color:white;
}
.overview-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:48px}
.overview-card h3{font-size:26px;letter-spacing:-.04em;margin-bottom:14px;text-transform:uppercase}
.overview-card p{color:#666;line-height:1.7;flex:1}
.overview-card .card-link{
  margin-top:28px;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;
  color:#111;display:flex;align-items:center;gap:8px;
}
.overview-card .card-link:hover{gap:14px}
.overview-card .card-link::after{content:'→';transition:.2s}

/* ── Commercial grid ── */
.commercial-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:28px;align-items:stretch}
.statement{
  background:#111;color:white;border-radius:34px;padding:38px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.statement:after{
  content:"";position:absolute;right:-110px;bottom:-130px;width:300px;height:300px;border-radius:50%;background:var(--grad);opacity:.18;
}
.statement>*{position:relative;z-index:1}
.statement h3{font-size:40px;letter-spacing:-.055em;line-height:1;text-transform:uppercase}
.statement p{color:rgba(255,255,255,.68);line-height:1.75;margin-top:22px;font-size:17px}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.info-card{
  background:rgba(255,255,255,.65);border:1px solid var(--line);border-radius:28px;
  box-shadow:0 12px 35px rgba(0,0,0,.04);padding:26px;transition:.35s ease;
}
.info-card:hover{transform:translateY(-5px);box-shadow:0 22px 60px rgba(0,0,0,.09)}
.info-card h3{font-size:22px;letter-spacing:-.03em;margin-bottom:12px;text-transform:uppercase}
.info-card p{color:#555;line-height:1.65}

/* ── Dark section ── */
.dark{background:#f7f5f1;color:#111}
.dark .section-head p{color:#666}
.dark .section-head .eyebrow{color:#6f7f86}

/* ── Services grid ── */
.service-grid{display:grid;grid-template-columns:1fr;gap:34px}
.service-card{
  min-height:92vh;display:grid;grid-template-columns:1.45fr .55fr;gap:0;align-items:stretch;padding:0;
  background:#fff;border:1px solid rgba(18,18,18,.08);border-radius:44px;overflow:hidden;
  box-shadow:0 28px 90px rgba(0,0,0,.08);
}
.service-card:hover{transform:none;background:#fff}
.compare-slider{
  height:100%;min-height:92vh;border-radius:0;border:0;box-shadow:none;background:#f7f5f1;
  position:relative;overflow:hidden;isolation:isolate;
}
.compare-slider img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  max-width:none;user-select:none;pointer-events:none;
}
.compare-after{opacity:0;transition:opacity .18s linear}
.compare-label{
  position:absolute;top:18px;z-index:3;padding:9px 13px;border-radius:999px;
  background:rgba(0,0,0,.44);color:white;backdrop-filter:blur(10px);
  font-size:10px;letter-spacing:.22em;text-transform:uppercase;font-weight:900;
}
.compare-label.before{right:18px}
.compare-label.after{left:18px}
.dissolve-progress{
  position:absolute;left:34px;right:34px;bottom:34px;height:4px;border-radius:999px;
  background:rgba(255,255,255,.28);overflow:hidden;z-index:4;
}
.dissolve-progress span{display:block;height:100%;width:0%;background:#fff;border-radius:999px}
.service-content{
  padding:54px;background:#fff;color:#111;display:flex;flex-direction:column;justify-content:center;
}
.service-index{font-size:11px;color:#8a8a8a;letter-spacing:.26em;text-transform:uppercase;font-weight:900;margin-bottom:22px}
.service-card h3{color:#111;font-size:clamp(38px,4vw,64px);line-height:.92;letter-spacing:-.06em;margin:0 0 22px}
.service-card p{color:#666;font-size:18px;line-height:1.75;max-width:480px}

/* ── Trust / Standards ── */
.trust-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.trust h2{font-size:clamp(38px,5vw,72px);line-height:1;letter-spacing:-.055em;margin:14px 0;text-transform:uppercase}
.trust p{font-size:18px;line-height:1.75;color:#666}
.trust-list{display:grid;gap:15px}
.trust-item{display:flex;align-items:center;gap:16px;padding:20px}
.trust-item .tick{width:46px;height:46px;display:grid;place-items:center;background:#111;color:white;border-radius:999px;flex:0 0 auto;font-weight:900}

/* ── About page ── */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-text h2{font-size:clamp(36px,4vw,62px);line-height:1;letter-spacing:-.055em;text-transform:uppercase;margin-bottom:22px}
.about-text p{font-size:17px;line-height:1.8;color:#555;margin-bottom:18px}
.values-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:48px}
.value-card{background:white;border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:0 8px 30px rgba(0,0,0,.05)}
.value-card h3{font-size:19px;letter-spacing:-.03em;margin-bottom:10px;text-transform:uppercase}
.value-card p{color:#666;line-height:1.65;font-size:15px}
.about-image{border-radius:36px;overflow:hidden;background:#111;height:480px;display:flex;align-items:center;justify-content:center}
.about-image img{width:100%;height:100%;object-fit:cover}

/* ── Residential ── */
.residential-features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.feature-card{background:white;border:1px solid var(--line);border-radius:32px;padding:32px;box-shadow:0 10px 36px rgba(0,0,0,.05);transition:.3s ease}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 20px 60px rgba(0,0,0,.09)}
.feature-icon{
  width:54px;height:54px;border-radius:18px;background:#111;display:grid;place-items:center;
  margin-bottom:20px;color:white;
}
.feature-card h3{font-size:20px;letter-spacing:-.03em;margin-bottom:10px;text-transform:uppercase}
.feature-card p{color:#666;line-height:1.7;font-size:15px}

/* ── CTA / Contact ── */
.cta{text-align:center;background:#111;color:white;border-radius:44px;padding:70px 30px;box-shadow:0 24px 80px rgba(0,0,0,.18)}
.cta img{width:140px;margin:0 auto 24px}
.cta h2{font-size:clamp(38px,5vw,70px);line-height:1;letter-spacing:-.055em;margin:14px 0;text-transform:uppercase}
.cta p{max-width:720px;margin:0 auto 34px;color:rgba(255,255,255,.64);font-size:18px;line-height:1.75}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-info h2{font-size:clamp(36px,4vw,60px);line-height:1;letter-spacing:-.055em;text-transform:uppercase;margin-bottom:26px}
.contact-info p{font-size:17px;line-height:1.8;color:#555;margin-bottom:32px}
.contact-detail{display:flex;align-items:center;gap:16px;padding:20px 22px;background:white;border:1px solid var(--line);border-radius:20px;margin-bottom:14px;box-shadow:0 6px 22px rgba(0,0,0,.04)}
.contact-detail-icon{width:44px;height:44px;background:#111;border-radius:14px;display:grid;place-items:center;font-size:20px;flex:0 0 auto;color:white}
.contact-detail-text strong{display:block;font-size:14px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.contact-detail-text a{color:#111;font-size:16px;font-weight:600}
.contact-detail-text a:hover{text-decoration:underline}
.contact-form-card{background:white;border:1px solid var(--line);border-radius:34px;padding:40px;box-shadow:0 16px 50px rgba(0,0,0,.07)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;margin-bottom:8px;color:#444}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:14px;
  font-family:inherit;font-size:15px;background:var(--stone);color:#111;outline:none;
  transition:.2s;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  border-color:#111;background:white;
}
.form-group textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ── Footer ── */
.footer{border-top:1px solid var(--line);padding:34px 24px;color:#777;font-size:14px}
.footer-inner{max-width:1240px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:20px}
.footer-links{display:flex;gap:22px}
.footer-links a{color:#777;transition:.2s}
.footer-links a:hover{color:#111}

/* ── Reveal animation ── */
.reveal{opacity:0;transform:translateY(34px);transition:900ms cubic-bezier(.16,1,.3,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.service-card.reveal:nth-child(2){transition-delay:.12s}
.service-card.reveal:nth-child(3){transition-delay:.24s}
.info-card.reveal:nth-child(2){transition-delay:.08s}
.info-card.reveal:nth-child(3){transition-delay:.16s}
.info-card.reveal:nth-child(4){transition-delay:.24s}
.overview-card.reveal:nth-child(2){transition-delay:.1s}
.overview-card.reveal:nth-child(3){transition-delay:.2s}
.feature-card.reveal:nth-child(2){transition-delay:.1s}
.feature-card.reveal:nth-child(3){transition-delay:.2s}
.glass-card.reveal{transition-duration:1050ms}

/* ── Responsive ── */
@media(max-width:900px){
  .nav-links{
    display:none;position:fixed;top:73px;left:0;right:0;
    background:rgba(244,241,236,.97);padding:20px 24px;flex-direction:column;
    gap:18px;backdrop-filter:blur(18px);border-bottom:1px solid var(--line);z-index:49;
  }
  .nav-links.open{display:flex}
  .mobile-menu-btn{display:flex}
  .nav .btn{display:none}
  .hero-grid,.commercial-grid,.trust-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
  .info-grid,.overview-grid,.overview-grid-2,.residential-features,.values-grid{grid-template-columns:1fr 1fr}
  .service-card{grid-template-columns:1fr;min-height:auto}
  .compare-slider{min-height:68vh;height:68vh}
  .service-content{padding:38px 28px 44px}
  h1{font-size:58px}
  .hero{padding-top:105px}
  .about-image{height:320px}
  .footer-inner{flex-direction:column;text-align:center}
}
@media(max-width:560px){
  .nav-inner{padding:13px 16px}
  .brand strong{font-size:12px}
  .section{padding:78px 18px}
  .hero{padding-left:18px;padding-right:18px}
  .glass-card{padding:24px}
  h1{font-size:48px}
  .hero p{font-size:17px}
  .info-grid,.overview-grid,.overview-grid-2,.residential-features,.values-grid,.form-row{grid-template-columns:1fr}
  .compare-slider{min-height:58vh;height:58vh}
  .service-card{border-radius:32px}
  .service-card h3{font-size:42px}
  .cta{padding:48px 22px;border-radius:32px}
  .contact-form-card{padding:28px}
}