/* QZ Sustainability — cohesive corporate design.
   Brand: navy #0c3c60 / deep #072136 / accent linkblue, Inter. */
:root{
  --navy:#0c3c60; --navy-700:#0f4a77; --foot:#072136; --linkblue:#8cbcdb;
  --white:#fff; --ink:#1a2530; --body:#3a4551; --muted:#5a6572;
  --bg:#ffffff; --bg-soft:#f4f7fa; --line:#e6ebf0; --line-2:#d6dde4;
  --container:1200px; --gold:#c9a24b;
}
*{box-sizing:border-box;margin:0;padding:0}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
html{scroll-behavior:smooth}
body{font-family:"Inter",system-ui,-apple-system,sans-serif;color:var(--body);background:var(--bg);line-height:1.65;font-size:16.5px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 28px;width:100%}
.narrow{max-width:780px;margin-left:auto;margin-right:auto}

.eyebrow{display:block;color:var(--linkblue);font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;margin-bottom:12px}
.eyebrow.dark{color:var(--navy)}
.sechead{color:var(--navy);font-size:clamp(1.5rem,2.8vw,2.15rem);font-weight:700;line-height:1.2;letter-spacing:-.02em}
.sechead.center{text-align:center}
.rule{width:54px;height:3px;background:var(--gold);border-radius:2px;margin:16px 0 0}
.rule.center{margin-left:auto;margin-right:auto}
.lead{color:var(--body);font-size:1.08rem;line-height:1.75;margin-top:18px}
.lead.center{text-align:center;max-width:680px;margin-left:auto;margin-right:auto}

.topbar{background:var(--navy);position:sticky;top:0;z-index:50}
.nav{display:flex;justify-content:space-between;align-items:center;padding:15px 0}
.brand{color:#fff;font-size:15px;line-height:1.3;font-weight:700;letter-spacing:.01em}
.links{display:flex;gap:26px;align-items:center;font-size:14px}
.links>a,.dropdown>a{color:#fff;padding:6px 0;position:relative;transition:color .14s}
.links>a.active,.dropdown>a.active,.links>a:hover,.dropdown>a:hover{color:var(--linkblue)}
.links>a::after{content:"";position:absolute;left:0;bottom:-1px;width:0;height:2px;background:var(--linkblue);transition:width .18s}
.links>a:hover::after,.links>a.active::after{width:100%}
.dropdown{position:relative;display:flex;align-items:center;gap:4px}
.dropdown .chev{background:none;border:none;color:#fff;cursor:pointer;display:grid;place-items:center;padding:2px}
.dropdown .menu{display:none;position:absolute;top:calc(100% + 10px);left:0;min-width:270px;background:#fff;border-radius:10px;box-shadow:0 10px 30px rgba(7,33,54,.22);padding:8px 0;flex-direction:column;overflow:hidden}
.dropdown .menu a{color:var(--ink);font-size:14px;padding:10px 16px;display:block;transition:background .12s,color .12s}
.dropdown .menu a:hover{background:var(--bg-soft);color:var(--navy)}
.dropdown:hover .menu,.dropdown.open .menu{display:flex}
.socials{display:flex;gap:16px;align-items:center;margin-left:8px}
.socials .fb{color:#fff;display:grid;place-items:center;transition:color .14s}
.socials .fb:hover{color:var(--linkblue)}
.socials .li{color:var(--navy);background:#fff;border-radius:50%;padding:5px;display:grid;place-items:center}
.hamburger{display:none;background:none;border:none;color:#fff;cursor:pointer;padding:6px}

.hero{position:relative;height:calc(100vh - 64px);min-height:520px;max-height:760px;overflow:hidden;background:var(--foot)}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,33,54,.62),rgba(7,33,54,.42) 45%,rgba(7,33,54,.72));display:flex;align-items:center}
.hero .herobox{max-width:760px}
.tagline{color:#fff;font-size:clamp(1.9rem,4.4vw,3.1rem);font-weight:700;line-height:1.15;letter-spacing:-.02em;text-shadow:0 2px 20px rgba(0,0,0,.4)}
.hero p.sub{color:#d3e0ea;font-size:1.12rem;margin-top:20px;max-width:52ch;text-shadow:0 1px 8px rgba(0,0,0,.3)}
.hero .actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;font-weight:600;border-radius:8px;padding:13px 30px;font-size:1rem;cursor:pointer;border:none;transition:transform .14s,background .14s,color .14s,filter .14s}
.btn-gold{background:var(--gold);color:var(--foot)}
.btn-gold:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-700);transform:translateY(-1px)}

.pagehead{background:var(--navy);padding:60px 0;position:relative;overflow:hidden}
.pagehead::after{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(140,188,219,.14),transparent 62%)}
.pagehead .crumb{color:var(--linkblue);font-size:.82rem;margin-bottom:12px;position:relative;z-index:1}
.pagehead .crumb a:hover{text-decoration:underline}
.pagehead h1{color:#fff;font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:700;letter-spacing:-.02em;position:relative;z-index:1}
.pagehead .sub{color:#bcd0e0;font-size:1.08rem;margin-top:12px;max-width:60ch;position:relative;z-index:1}

.section{padding:80px 0}
.section.soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section.tight{padding:56px 0}

.intro-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.intro-split .copy p{color:var(--body);font-size:1.06rem;line-height:1.8;margin-top:16px}
.intro-split .panel{background:var(--navy);color:#dbe7ef;border-radius:14px;padding:38px;box-shadow:0 16px 40px rgba(7,33,54,.16)}
.intro-split .panel h3{color:#fff;font-size:1.3rem;font-weight:700;margin-bottom:10px;letter-spacing:-.01em}
.intro-split .panel .ticks{list-style:none;margin-top:18px;display:grid;gap:12px}
.intro-split .panel .ticks li{padding-left:28px;position:relative;color:#cfe0ec}
.intro-split .panel .ticks li::before{content:"";position:absolute;left:2px;top:.5em;width:9px;height:9px;background:var(--gold);border-radius:50%}

.value-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.value-card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);border-radius:12px;padding:30px 28px;box-shadow:0 6px 20px rgba(7,33,54,.05);transition:transform .16s,box-shadow .16s}
.value-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(7,33,54,.12)}
.value-num{font-size:1.7rem;font-weight:700;color:var(--gold);line-height:1;display:block;margin-bottom:14px}
.value-card h3{color:var(--navy);font-size:1.3rem;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
.value-card p{color:var(--muted);font-size:.98rem;line-height:1.6}

.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px 26px;box-shadow:0 4px 16px rgba(7,33,54,.05);transition:transform .16s,box-shadow .16s,border-color .16s;display:flex;flex-direction:column;min-height:200px}
.tile:hover{transform:translateY(-5px);box-shadow:0 18px 36px rgba(7,33,54,.14);border-color:var(--navy)}
.tile .ico{width:46px;height:46px;border-radius:10px;background:var(--navy);color:#fff;display:grid;place-items:center;margin-bottom:16px}
.tile h3{color:var(--navy);font-size:1.14rem;font-weight:700;letter-spacing:-.01em;line-height:1.3}
.tile p{color:var(--muted);font-size:.95rem;margin-top:8px;line-height:1.55}
.tile .more{margin-top:auto;padding-top:16px;color:var(--navy);font-weight:600;font-size:.92rem}
.tile:hover .more{color:var(--navy-700)}

.pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.pills.center{justify-content:center}
.pills span{background:var(--navy);color:#fff;font-size:.9rem;font-weight:600;padding:9px 18px;border-radius:999px}

.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:44px}
.cap-item{background:#fff;border:1px solid var(--line);border-left:3px solid var(--navy);border-radius:8px;padding:16px 18px;font-size:.98rem;line-height:1.5;color:var(--body);box-shadow:0 2px 8px rgba(7,33,54,.04);transition:transform .14s,box-shadow .14s}
.cap-item:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(7,33,54,.10)}

.svc-hero-img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:14px;box-shadow:0 16px 40px rgba(7,33,54,.14);margin-bottom:40px}
.svc-layout{max-width:840px;margin:0 auto}
.svc-lead{font-size:1.14rem;line-height:1.75;color:var(--body);margin-bottom:8px}
.svc-subtitle{color:var(--muted);font-style:italic;font-size:1.05rem;margin:-2px 0 26px}
.svc-block{margin-top:34px}
.svc-block h2{color:var(--navy);font-size:1.32rem;font-weight:700;letter-spacing:-.01em;margin-bottom:12px;padding-left:16px;border-left:4px solid var(--gold)}
.svc-block p{color:var(--body);font-size:1.05rem;line-height:1.78;margin-bottom:14px}
.svc-block .grid-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;margin-top:6px}
.svc-block .grid-list.one{grid-template-columns:1fr}
.svc-block .grid-list li{list-style:none;position:relative;padding-left:26px;color:var(--body);line-height:1.55}
.svc-block .grid-list li::before{content:"";position:absolute;left:4px;top:.55em;width:8px;height:8px;background:var(--navy);border-radius:50%}
.svc-inline-img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;box-shadow:0 10px 28px rgba(7,33,54,.12);margin:8px 0 6px}

.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px;font-weight:600;color:var(--navy);display:flex;justify-content:space-between;align-items:center;gap:10px;transition:transform .14s,box-shadow .14s,border-color .14s}
.rel-card:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(7,33,54,.12);border-color:var(--navy)}
.rel-card .arrow{color:var(--gold)}

.contactsec{padding:80px 0;background:var(--bg-soft);border-top:1px solid var(--line)}
.contact-head{text-align:center;margin-bottom:40px}
.contactgrid{display:grid;grid-template-columns:1.05fr 1fr;gap:28px;align-items:stretch;max-width:1000px;margin:0 auto}
#contact-form{background:#fff;padding:32px;border-radius:14px;box-shadow:0 10px 30px rgba(7,33,54,.08);border:1px solid var(--line)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field:last-of-type{margin-bottom:22px}
label{display:block;font-size:.86rem;font-weight:600;margin-bottom:7px;color:var(--navy)}
input,textarea{width:100%;padding:12px 14px;font-family:inherit;font-size:.97rem;border:1px solid var(--line-2);border-radius:8px;background:#fcfdfe;color:var(--ink);transition:border-color .12s,box-shadow .12s,background .12s}
input:focus,textarea:focus{border-color:var(--navy);background:#fff;box-shadow:0 0 0 3px rgba(12,60,96,.12)}
textarea{resize:vertical;min-height:130px}
.form-status{margin-top:14px;padding:11px 14px;border-radius:8px;font-size:.93rem;display:none}
.form-status.ok{display:block;background:#e6f4ea;color:#1e4620;border:1px solid #b7dfc0}
.form-status.err{display:block;background:#fdecea;color:#7a271a;border:1px solid #f2c0ba}
.contact-aside{display:flex;flex-direction:column;gap:16px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 24px;box-shadow:0 6px 20px rgba(7,33,54,.05)}
.info-card h3{color:var(--navy);font-size:1rem;font-weight:700;margin-bottom:6px}
.info-card p,.info-card a{color:var(--body);font-size:.96rem;line-height:1.55}
.info-card a:hover{color:var(--navy)}
.mapwrap{flex:1;min-height:220px;border-radius:12px;overflow:hidden;box-shadow:0 6px 20px rgba(7,33,54,.05)}
.mapwrap iframe{width:100%;height:100%;border:0;min-height:220px}

.foot{background:var(--foot);color:#c3d0dc}
.footgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-top:56px;padding-bottom:12px}
.fbrand{color:#fff;font-size:17px;line-height:1.5;margin-bottom:20px;letter-spacing:.01em}
.fmeta{font-size:15px;display:grid;gap:9px;line-height:1.5}
.fmeta a:hover{color:var(--linkblue)}
.fhead{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px;letter-spacing:.05em;text-transform:uppercase}
.fcol{display:flex;flex-direction:column;gap:11px;font-size:15px}
.fcol>a{transition:color .14s}
.fcol>a:hover{color:var(--linkblue)}
.fsocials{display:flex;gap:14px}
.fsocials .fb{color:#fff;transition:color .14s}
.fsocials .fb:hover{color:var(--linkblue)}
.fsocials .li{color:var(--foot);background:#fff;border-radius:50%;padding:5px;display:grid;place-items:center}
.fine{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px;font-size:14px;color:#8ea3b5;padding:22px 0 28px;margin-top:40px;border-top:1px solid rgba(255,255,255,.12)}

@media (max-width:991px){
  .links{display:none;position:absolute;top:64px;left:0;right:0;z-index:40;background:var(--navy);flex-direction:column;align-items:flex-start;padding:16px 28px 22px;gap:14px;font-size:16px}
  .links.open{display:flex}
  .dropdown{flex-direction:column;align-items:flex-start}
  .dropdown .menu{position:static;display:none;box-shadow:none;background:transparent;padding-left:12px}
  .dropdown .menu a{color:var(--linkblue)}
  .dropdown.open .menu{display:flex}
  .hamburger{display:block}
  .intro-split{grid-template-columns:1fr;gap:32px}
  .value-row,.tiles,.related{grid-template-columns:1fr 1fr}
  .contactgrid{grid-template-columns:1fr}
  .footgrid{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .value-row,.tiles,.related,.cap-grid,.row2,.footgrid{grid-template-columns:1fr}
  .svc-block .grid-list{grid-template-columns:1fr}
  .hero{height:auto;min-height:0;max-height:none}
  .section{padding:56px 0}
}