:root{
  --ink:#0c141b; --ink2:#17242d; --steel:#50606b; --paper:#f6f4ef; --white:#fff;
  --line:#d7ddd9; --accent:#cf7b30; --accent2:#a85a1d; --blue:#244e63;
  --shadow:0 22px 60px rgba(7,18,25,.12); --radius:18px; --max:1240px;
}
*{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;color:var(--ink);background:var(--paper);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none} img,svg{max-width:100%;display:block} button,input,select,textarea{font:inherit} button{cursor:pointer}
.container{width:min(calc(100% - 40px),var(--max));margin:auto}.eyebrow{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--accent)}
.section{padding:96px 0}.section.dark{background:var(--ink);color:#fff}.section.soft{background:#ecefea}.kicker{max-width:760px;color:#5a6770;font-size:1.04rem}.dark .kicker{color:#b8c2c8}
h1,h2,h3{line-height:1.06;margin:0 0 18px;letter-spacing:-.035em}h1{font-size:clamp(3rem,7vw,6.7rem);font-weight:770}h2{font-size:clamp(2.2rem,4.5vw,4.2rem)}h3{font-size:1.35rem}.lead{font-size:clamp(1.05rem,1.8vw,1.35rem);max-width:780px;color:#c7d0d5}.muted{color:#66747c}.dark .muted{color:#aebbc2}
.topbar{background:#071017;color:#c9d0d4;font-size:.82rem}.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.topbar a:hover{color:#fff}
.header{position:sticky;top:0;z-index:50;background:rgba(246,244,239,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(12,20,27,.08)}.nav{height:78px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:12px;min-width:max-content}.brand-mark{width:42px;height:42px;background:var(--ink);color:white;display:grid;place-items:center;font-weight:900;letter-spacing:-.08em;border-radius:7px;position:relative}.brand-mark:after{content:"";position:absolute;right:0;bottom:0;width:12px;height:12px;background:var(--accent)}.brand-text strong{display:block;font-size:.93rem;letter-spacing:.06em}.brand-text span{display:block;font-size:.62rem;color:#65747c;letter-spacing:.14em;text-transform:uppercase}
.navlinks{display:flex;align-items:center;gap:24px;margin-left:auto;font-size:.92rem;font-weight:700}.navlinks>a,.navdrop>button{padding:28px 0;background:none;border:0;color:var(--ink);font-weight:700}.navlinks>a:hover,.navdrop>button:hover{color:var(--accent2)}.navdrop{position:relative}.navdrop>button:after{content:"⌄";margin-left:7px;font-size:.9em}.dropdown{position:absolute;top:64px;left:-24px;background:#fff;border:1px solid var(--line);min-width:270px;padding:10px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s}.navdrop:hover .dropdown,.navdrop:focus-within .dropdown{opacity:1;visibility:visible;transform:none}.dropdown a{display:block;padding:12px 14px;border-radius:8px;font-weight:650}.dropdown a:hover{background:#f0f2ee;color:var(--accent2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 19px;border-radius:7px;border:1px solid transparent;font-weight:800;transition:.2s}.btn.primary{background:var(--accent);color:#10151a}.btn.primary:hover{background:#e08b3e;transform:translateY(-1px)}.btn.dark{background:var(--ink);color:#fff}.btn.dark:hover{background:#1a2933}.btn.ghost{border-color:rgba(255,255,255,.28);color:#fff}.btn.light{border-color:#c7cfca;background:#fff}.nav-cta{margin-left:2px}.burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid #cad1cc;background:#fff;border-radius:7px;align-items:center;justify-content:center;font-size:1.35rem}
.mobile-menu{display:none;position:fixed;inset:0;top:78px;background:var(--paper);z-index:49;padding:24px 20px 40px;overflow:auto}.mobile-menu.open{display:block}.mobile-menu a,.mobile-menu .mobile-label{display:block;padding:14px 4px;border-bottom:1px solid #d9dfdb;font-weight:800}.mobile-menu .sub a{padding-left:18px;font-weight:650;color:#4e5d66}.mobile-menu .btn{margin-top:18px}
.hero{background:var(--ink);color:#fff;position:relative;min-height:720px;display:flex;align-items:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,16,23,.98) 0%,rgba(7,16,23,.9) 49%,rgba(7,16,23,.45) 75%,rgba(7,16,23,.28) 100%)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center;position:relative;z-index:2;padding:72px 0}.hero-copy p{margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-visual{height:560px;position:relative}.blueprint{position:absolute;inset:0;border:1px solid rgba(255,255,255,.15);background:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:32px 32px;overflow:hidden}.blueprint svg{position:absolute;inset:7% 2% 0 auto;width:110%;height:93%;opacity:.98}.hero-chip{position:absolute;z-index:2;right:8%;bottom:8%;background:rgba(246,244,239,.96);color:var(--ink);padding:18px 20px;width:min(300px,78%);box-shadow:var(--shadow)}.hero-chip strong{display:block;font-size:1.15rem}.hero-chip span{font-size:.86rem;color:#5f6c74}
.metrics{background:#fff;border-bottom:1px solid var(--line)}.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}.metric{padding:28px 24px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric strong{font-size:1.7rem;display:block;line-height:1.1}.metric span{font-size:.82rem;color:#67737b}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.card{background:#fff;border:1px solid #dbe0dc;padding:30px;min-height:100%;transition:.22s}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.card .num{color:var(--accent);font-size:.78rem;font-weight:900;letter-spacing:.12em}.card p{color:#64717a;margin-bottom:0}.card-link{display:inline-flex;margin-top:24px;color:var(--accent2);font-weight:800}.card-link:after{content:"→";margin-left:8px}.iconbox{width:48px;height:48px;border:1px solid #d4dad6;display:grid;place-items:center;margin-bottom:24px;color:var(--accent2);font-weight:900}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.feature-list{list-style:none;padding:0;margin:26px 0}.feature-list li{padding:12px 0 12px 30px;border-bottom:1px solid #d8ddd9;position:relative}.feature-list li:before{content:"";width:10px;height:10px;background:var(--accent);position:absolute;left:0;top:20px}.dark .feature-list li{border-color:rgba(255,255,255,.13)}
.project-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.project{background:#fff;border:1px solid #d7ddd9;padding:0;overflow:hidden}.project.large{grid-column:span 7}.project.small{grid-column:span 5}.project.wide{grid-column:span 12}.project-art{height:270px;background:#183440;position:relative;overflow:hidden}.project-art:before,.project-art:after{content:"";position:absolute}.project-art.water:before{width:58%;height:72%;border:3px solid rgba(255,255,255,.55);border-radius:50%;left:20%;top:14%}.project-art.water:after{width:58%;height:26%;border:3px solid var(--accent);border-radius:50%;left:20%;top:50%}.project-art.road{background:linear-gradient(140deg,#27424f,#0d171d)}.project-art.road:before{width:180%;height:70px;background:#d7d8d0;transform:rotate(-13deg);left:-40%;top:48%}.project-art.road:after{width:180%;height:4px;background:var(--accent);transform:rotate(-13deg);left:-40%;top:56%}.project-art.concrete:before{inset:12% 15%;border:2px solid rgba(255,255,255,.55);box-shadow:30px 30px 0 rgba(207,123,48,.82),60px 60px 0 rgba(255,255,255,.22)}.project-body{padding:26px}.project-body .tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent2);font-weight:900}.project-body h3{margin-top:8px}.project-body p{color:#66737b}
.cta-band{background:var(--accent);color:#10161a;padding:56px 0}.cta-row{display:flex;justify-content:space-between;gap:30px;align-items:center}.cta-row h2{font-size:clamp(2rem,4vw,3.5rem);max-width:780px;margin:0}
.page-hero{background:var(--ink);color:#fff;padding:90px 0 82px;position:relative;overflow:hidden}.page-hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.12);right:-100px;top:-190px;transform:rotate(30deg)}.page-hero h1{font-size:clamp(3rem,6vw,5.5rem);max-width:980px}.crumbs{font-size:.8rem;color:#aeb8be;margin-bottom:28px}.crumbs a{color:#fff}.section-title{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:42px}.section-title>div{max-width:820px}
.process{counter-reset:steps}.step{display:grid;grid-template-columns:72px 1fr;gap:18px;padding:26px 0;border-top:1px solid #d6dcd8}.step:before{counter-increment:steps;content:"0" counter(steps);font-weight:900;color:var(--accent2)}
.table-wrap{overflow-x:auto;border:1px solid #d6dcd8}.spec-table{width:100%;border-collapse:collapse;min-width:720px;background:#fff}.spec-table th,.spec-table td{text-align:left;padding:16px;border-bottom:1px solid #e2e5e2}.spec-table th{background:#eef0ed;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}
.badges{display:flex;gap:10px;flex-wrap:wrap}.badge{border:1px solid #ccd4cf;padding:9px 12px;font-size:.78rem;font-weight:800;background:#fff}.dark .badge{background:transparent;border-color:rgba(255,255,255,.2)}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px}.contact-card{background:var(--ink);color:#fff;padding:36px}.contact-card a{display:block;margin:10px 0;font-size:1.1rem}.contact-card small{color:#9fadb5}.form{background:#fff;border:1px solid #d8ded9;padding:34px}.field{display:grid;gap:8px;margin-bottom:16px}.field label{font-size:.8rem;font-weight:800}.field input,.field select,.field textarea{width:100%;border:1px solid #cbd3ce;background:#fbfbf8;border-radius:6px;padding:13px 14px;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent)}.field textarea{min-height:130px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.assess-shell{display:grid;grid-template-columns:280px 1fr;gap:30px}.assess-side{background:var(--ink);color:#fff;padding:28px;align-self:start;position:sticky;top:105px}.assess-side .prog{height:3px;background:rgba(255,255,255,.18);margin:22px 0}.assess-side .prog i{display:block;height:100%;background:var(--accent);width:14%;transition:.25s}.assess-step{display:none}.assess-step.active{display:block}.options{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:24px 0}.option{border:1px solid #cdd4d0;background:#fff;padding:17px;text-align:left;border-radius:6px;font-weight:750}.option.selected{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.assess-actions{display:flex;justify-content:space-between;gap:12px;margin-top:28px}.success{display:none;text-align:center;padding:48px 24px}.success.show{display:block}.success .check{width:64px;height:64px;border-radius:50%;background:#e6efe8;display:grid;place-items:center;margin:0 auto 20px;font-size:1.6rem}
.footer{background:#070f15;color:#d4dadd;padding:70px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:44px}.footer h4{color:#fff}.footer a{display:block;color:#aeb9bf;padding:4px 0}.footer a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;margin-top:46px;font-size:.78rem;color:#87979f}
.whatsapp{position:fixed;right:18px;bottom:18px;z-index:60;width:52px;height:52px;border-radius:50%;background:#1fa463;color:#fff;display:grid;place-items:center;box-shadow:0 12px 28px rgba(0,0,0,.2);font-weight:900}
.reveal{opacity:0;transform:translateY(16px);transition:.6s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:1050px){.navlinks{gap:16px;font-size:.86rem}.nav-cta{padding:11px 13px}.hero-grid{grid-template-columns:1fr .8fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:900px){.topbar{display:none}.nav{height:72px}.navlinks,.nav-cta{display:none}.burger{display:flex}.mobile-menu{top:72px}.hero{min-height:auto}.hero-grid,.split,.contact-grid,.assess-shell{grid-template-columns:1fr}.hero-grid{padding:62px 0}.hero-visual{height:390px}.metrics-grid{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.grid-3{grid-template-columns:1fr 1fr}.project.large,.project.small{grid-column:span 12}.assess-side{position:static}.section{padding:76px 0}.footer-grid{grid-template-columns:1fr 1fr}.cta-row{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.container{width:min(calc(100% - 30px),var(--max))}.section{padding:62px 0}h1{font-size:clamp(2.55rem,13vw,4.2rem)}h2{font-size:clamp(2rem,10vw,3.2rem)}.hero-grid{padding:46px 0 54px}.hero-visual{height:320px}.hero-chip{right:4%;bottom:5%;padding:15px}.grid-3,.grid-2,.form-row,.options{grid-template-columns:1fr}.metrics-grid{grid-template-columns:1fr}.metric{border-right:0;border-bottom:1px solid var(--line)!important}.metric:last-child{border-bottom:0!important}.section-title{display:block}.card{padding:24px}.project-art{height:220px}.cta-band{padding:42px 0}.page-hero{padding:66px 0 58px}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.form,.contact-card{padding:26px}.assess-actions{flex-direction:column-reverse}.assess-actions .btn{width:100%}.brand-text strong{font-size:.82rem}.brand-text span{font-size:.55rem}.brand-mark{width:38px;height:38px}.whatsapp{width:48px;height:48px}.table-wrap{margin-right:0}}
@media(max-width:340px){.brand-text span{display:none}.container{width:min(calc(100% - 24px),var(--max))}.hero-actions .btn{width:100%}.btn{padding:13px 14px}}