:root{--ink:#080b0d;--ink2:#10161a;--paper:#f4f1e8;--paper2:#e7e0d3;--tar:#202527;--soil:#9a6e42;--stone:#b7aea0;--amber:#f1bd3c;--orange:#ee6a39;--lime:#c6f532;--cyan:#64cef5;--text:#171b1d;--muted:#6c7476;--line:rgba(23,27,29,.13);--max:1320px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--paper);color:var(--text);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{width:min(var(--max),calc(100% - 48px));margin:auto}section{padding:104px 0}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.055em}h1{font-size:clamp(4rem,8.4vw,9rem);line-height:.8;font-weight:750}h2{font-size:clamp(2.7rem,5.1vw,5.3rem);line-height:.92;font-weight:680}h3{font-size:clamp(1.4rem,2vw,2.05rem);line-height:1.06;font-weight:650}p{line-height:1.68}.muted{color:var(--muted)}.kicker{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:850}.eyebrow{display:flex;align-items:center;gap:11px;font-size:.71rem;letter-spacing:.18em;text-transform:uppercase;font-weight:850}.eyebrow:before{content:"";width:30px;height:2px;background:var(--amber)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 23px;border-radius:999px;border:1px solid transparent;font-weight:710;transition:.25s}.btn:hover{transform:translateY(-2px)}.btn-amber{background:var(--amber);color:var(--ink)}.btn-dark{background:var(--ink);color:#fff}.btn-light{background:#fff;color:var(--ink)}.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.04);backdrop-filter:blur(10px)}
.site-header{position:absolute;inset:0 0 auto;z-index:100;color:#fff}.nav-shell{height:96px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;border-bottom:1px solid rgba(255,255,255,.13)}.brand{justify-self:start;display:flex;align-items:center;gap:13px}.brand-mark{width:52px;height:52px;border:1px solid rgba(255,255,255,.38);border-radius:15px;position:relative;overflow:hidden;background:rgba(255,255,255,.03)}.brand-mark:before{content:"M";position:absolute;inset:0;display:grid;place-items:center;font-weight:950;color:var(--amber);font-size:1rem}.brand-mark:after{content:"";position:absolute;left:8px;right:8px;bottom:9px;height:5px;background:linear-gradient(90deg,#454d4f 0 44%,#fff 44% 56%,#454d4f 56%);transform:skewX(-25deg)}.brand-copy{display:grid;line-height:1}.brand-copy strong{font-size:.98rem;font-weight:830;letter-spacing:.11em}.brand-copy span{font-size:.46rem;letter-spacing:.18em;text-transform:uppercase;color:#c5cdcf;margin-top:5px}.nav-links{display:flex;gap:28px;align-items:center;justify-content:center;font-size:.91rem;font-weight:470}.nav-links>a,.nav-dropdown-trigger{opacity:.84;position:relative}.nav-links>a:hover,.nav-links>a.active,.nav-dropdown:hover .nav-dropdown-trigger,.nav-dropdown.active .nav-dropdown-trigger{opacity:1}.nav-links>a.active:after,.nav-dropdown.active>.nav-dropdown-trigger:after{content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;background:var(--amber)}.nav-actions{justify-self:end;display:flex;align-items:center;gap:10px}.nav-phone{font-size:.84rem;opacity:.84}.menu-btn{display:none;background:none;border:0;color:#fff;font-size:1.58rem}.mobile-panel{display:none}.nav-dropdown{position:relative;display:flex;align-items:center;padding-bottom:9px;margin-bottom:-9px}.nav-dropdown:after{content:"";position:absolute;left:-28px;right:-28px;top:100%;height:22px}.nav-dropdown-trigger{background:none;border:0;color:inherit;font:inherit;padding:14px 0;display:flex;align-items:center;gap:7px}.nav-dropdown-menu{position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%,-6px);min-width:430px;background:#fff;color:var(--text);border:1px solid rgba(0,0,0,.08);border-radius:18px;padding:10px;box-shadow:0 28px 78px rgba(0,0,0,.28);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s,transform .18s,visibility 0s linear .3s}.nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown:focus-within .nav-dropdown-menu,.nav-dropdown.open .nav-dropdown-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0);transition-delay:0s}.nav-dropdown-menu a{display:flex;justify-content:space-between;gap:16px;padding:13px;border-radius:12px;font-size:.84rem;font-weight:720}.nav-dropdown-menu a:hover,.nav-dropdown-menu a.active{background:#fff4d8;color:#8a5b00}.nav-dropdown-menu small{display:block;margin-top:4px;font-size:.55rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.hero{min-height:100svh;background:linear-gradient(90deg,rgba(4,6,7,.99),rgba(4,6,7,.92) 46%,rgba(4,6,7,.5) 73%,rgba(4,6,7,.25)),url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=2200&q=88") center/cover;color:#fff;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:url('/assets/grid.svg') center/cover;opacity:.48}.hero:after{content:"";position:absolute;inset:auto 0 0;height:245px;background:linear-gradient(transparent,rgba(0,0,0,.76))}.hero-grid{position:relative;z-index:2;min-height:100svh;display:grid;grid-template-columns:1fr .92fr;gap:68px;align-items:center;padding:145px 0 124px}.hero-copy h1{margin:24px 0 30px;max-width:930px}.hero-copy h1 em{font-style:normal;color:var(--amber)}.hero-copy p{font-size:1.15rem;max-width:780px;color:#d5dee1}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}.hero-chips{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}.hero-chips span{border:1px solid rgba(255,255,255,.13);border-radius:999px;padding:9px 12px;font-size:.68rem;color:#c9d0d2;background:rgba(255,255,255,.04)}
.road-stage{min-height:640px;position:relative;display:grid;place-items:center;perspective:1300px}.road-stage:before{content:"";position:absolute;width:550px;height:550px;border-radius:50%;border:1px solid rgba(241,189,60,.13);box-shadow:0 0 0 68px rgba(241,189,60,.022),0 0 0 136px rgba(100,206,245,.012)}.road3d{width:560px;height:400px;position:relative;transform-style:preserve-3d;transform:rotateX(61deg) rotateZ(-30deg);transition:.5s}.layer{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);clip-path:polygon(6% 0,100% 0,94% 100%,0 100%);transition:.45s}.subgrade{width:470px;height:300px;background:linear-gradient(145deg,#9b754f,#704b2e);transform:translate(-50%,-50%) translateZ(0)}.subbase{width:445px;height:280px;background:linear-gradient(145deg,#bdad92,#8e816d);transform:translate(-50%,-50%) translateZ(30px)}.base{width:420px;height:258px;background:linear-gradient(145deg,#b1b0a9,#858781);transform:translate(-50%,-50%) translateZ(58px)}.asphalt{width:392px;height:238px;background:linear-gradient(145deg,#353b3d,#171b1d);transform:translate(-50%,-50%) translateZ(88px)}.asphalt:after{content:"";position:absolute;left:50%;top:0;bottom:0;width:6px;transform:translateX(-50%);background:repeating-linear-gradient(#f3e8ac 0 28px,transparent 28px 55px)}.kerb{width:430px;height:275px;border:10px solid #c8c9c4;transform:translate(-50%,-50%) translateZ(93px);background:transparent}.drain{width:35px;height:210px;background:linear-gradient(180deg,#65d1f6,#15698d);right:70px;top:85px;position:absolute;transform:translateZ(110px);border-radius:10px;box-shadow:0 0 20px rgba(100,206,245,.25)}.road3d[data-mode="layers"] .asphalt,.road3d[data-mode="layers"] .kerb{opacity:.35}.road3d[data-mode="layers"] .subbase{transform:translate(-50%,-50%) translateZ(70px)}.road3d[data-mode="layers"] .base{transform:translate(-50%,-50%) translateZ(130px)}.road3d[data-mode="layers"] .asphalt{transform:translate(-50%,-50%) translateZ(190px)}.road3d[data-mode="drainage"] .layer{opacity:.45}.road3d[data-mode="drainage"] .drain{width:80px;box-shadow:0 0 40px rgba(100,206,245,.38)}.road-control{position:absolute;left:0;bottom:3%;width:405px;background:rgba(8,12,14,.94);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:21px}.road-control small{font-size:.6rem;text-transform:uppercase;letter-spacing:.14em;color:var(--amber)}.road-control h3{font-size:1.5rem;margin:9px 0 15px}.road-buttons{display:flex;gap:7px;flex-wrap:wrap}.road-btn{background:transparent;color:#cad2d5;border:1px solid rgba(255,255,255,.13);border-radius:999px;padding:9px 13px;font-size:.72rem;font-weight:730}.road-btn.active,.road-btn:hover{background:var(--amber);color:var(--ink);border-color:var(--amber)}.hero-bar{position:absolute;z-index:5;left:0;right:0;bottom:0;background:rgba(3,5,7,.65);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.12)}.hero-bar-grid{display:grid;grid-template-columns:repeat(4,1fr)}.hero-stat{padding:17px 22px;border-right:1px solid rgba(255,255,255,.12)}.hero-stat:first-child{padding-left:0}.hero-stat:last-child{border-right:0}.hero-stat b{display:block;font-size:1.14rem;font-weight:635}.hero-stat span{font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:#adb8bc}
.ticker{background:var(--amber);color:var(--ink);overflow:hidden}.ticker-track{display:flex;width:max-content;animation:scroll 30s linear infinite}.ticker-track span{display:flex;align-items:center;padding:15px 0;font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;font-weight:880}.ticker-track span:after{content:"◆";margin:0 28px;color:var(--orange)}@keyframes scroll{to{transform:translateX(-50%)}}
.split-head{display:grid;grid-template-columns:.82fr 1.18fr;gap:82px;align-items:end;margin-bottom:58px}.split-head p{max-width:700px;margin-left:auto}.dark{background:var(--ink);color:#fff}.dark .muted{color:#aab4b8}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.service-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:30px;min-height:342px;position:relative;overflow:hidden;transition:.28s}.service-card:hover{transform:translateY(-5px);box-shadow:0 18px 50px rgba(0,0,0,.08)}.service-card:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;border:1px solid rgba(20,24,26,.08);right:-80px;bottom:-80px}.service-card .code{font-size:.62rem;letter-spacing:.13em;text-transform:uppercase;color:var(--orange);font-weight:850}.service-card h3{margin:52px 0 12px}.service-card p{color:var(--muted)}.service-card .go{position:absolute;right:24px;top:24px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff}
.flow-lab{display:grid;grid-template-columns:.75fr 1.25fr;gap:16px}.flow-menu{background:#11171a;border:1px solid rgba(255,255,255,.09);border-radius:30px;padding:34px;display:flex;flex-direction:column}.flow-menu small{font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber)}.flow-menu h3{font-size:2.2rem;margin:13px 0 24px}.flow-buttons{display:grid;gap:8px}.flow-btn{background:transparent;color:#c8d1d4;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px 17px;text-align:left;display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center}.flow-btn.active,.flow-btn:hover{background:#171e22;border-color:rgba(241,189,60,.36);color:#fff}.flow-btn .n{font-size:.62rem;color:var(--orange)}.flow-note{margin-top:auto;color:#8e999f;font-size:.8rem;padding-top:22px}.flow-display{min-height:665px;border-radius:30px;background:#0d1215;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.08)}.flow-display:before{content:"";position:absolute;inset:0;background:url('/assets/grid.svg') center/cover;opacity:.52}.terrain{position:absolute;left:6%;right:6%;top:7%;height:56%;transform:perspective(1000px) rotateX(61deg);transform-origin:center bottom;background:linear-gradient(135deg,#8f6743,#be9871);border-radius:24px;overflow:hidden}.terrain:before{content:"";position:absolute;inset:0;background:url('/assets/terrain.svg') center/cover;opacity:.55;mix-blend-mode:multiply}.road-strip{position:absolute;left:15%;right:15%;top:42%;height:70px;background:#2d3335;transform:skewX(-14deg);box-shadow:0 0 0 6px #b9b7ad}.channel{position:absolute;width:32px;height:100%;right:20%;top:0;background:linear-gradient(#77ddff,#146c8d);opacity:.85}.culvert{position:absolute;width:130px;height:55px;border:12px solid #b9b7ad;border-top-width:9px;border-radius:0 0 55px 55px;right:11%;bottom:17%;background:#174f65}.rain{position:absolute;inset:0;background:repeating-linear-gradient(105deg,transparent 0 28px,rgba(100,206,245,.25) 29px 31px,transparent 32px 56px);animation:rain 1.5s linear infinite;opacity:.2}@keyframes rain{to{background-position:90px 120px}}.flow-display[data-flow="culvert"] .culvert{box-shadow:0 0 35px rgba(100,206,245,.32)}.flow-display[data-flow="maintenance"] .road-strip{background:linear-gradient(90deg,#2e3436 0 39%,#111 39% 61%,#2e3436 61%)}.flow-display[data-flow="pathways"] .road-strip{box-shadow:-80px 0 0 6px #d5c6a9,0 0 0 6px #b9b7ad}.flow-copy{position:absolute;left:8%;right:8%;bottom:7%;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:end}.flow-copy small{font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber)}.flow-copy h3{font-size:2.35rem;margin:10px 0 8px}.flow-copy p{color:#aeb8bc;margin:0;max-width:690px}.flow-tag{border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:10px 14px;font-size:.72rem;color:#dce2e4}
.diagnostic-zone{background:var(--paper2)}.diag-wrap{display:grid;grid-template-columns:.94fr 1.06fr;gap:16px}.diag-map{min-height:600px;border-radius:30px;background:linear-gradient(90deg,#8a6d50 0 14%,#2d3335 14% 86%,#8a6d50 86%);position:relative;overflow:hidden;border:1px solid var(--line)}.diag-map:before{content:"";position:absolute;left:49.5%;top:0;bottom:0;width:7px;background:repeating-linear-gradient(#f1dda0 0 30px,transparent 30px 58px)}.fault{position:absolute;border:0;border-radius:999px;padding:9px 12px;font-size:.67rem;font-weight:760;background:var(--ink);color:#fff;z-index:3;box-shadow:0 8px 20px rgba(0,0,0,.18)}.fault.active,.fault:hover{background:var(--amber);color:var(--ink)}.f1{left:22%;top:25%}.f2{right:18%;top:43%}.f3{left:28%;bottom:22%}.f4{right:5%;bottom:16%}.fault-pulse{position:absolute;width:170px;height:170px;border-radius:50%;border:1px solid rgba(241,189,60,.45);box-shadow:0 0 0 25px rgba(241,189,60,.06),0 0 0 50px rgba(241,189,60,.025);left:calc(var(--x,24%) - 85px);top:calc(var(--y,29%) - 85px);transition:.35s}.diag-side{display:grid;gap:14px}.diag-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:29px}.diag-card .code{font-size:.62rem;letter-spacing:.13em;text-transform:uppercase;color:var(--orange);font-weight:850}.diag-card h3{margin:24px 0 10px}.diag-card p{color:var(--muted)}.diag-meta{display:grid;gap:8px;margin-top:18px}.diag-meta div{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-top:1px solid var(--line);font-size:.84rem}.diag-meta span:last-child{font-weight:730}
.project-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:16px}.project-list{display:grid;gap:8px}.project-btn{background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px;text-align:left;display:grid;grid-template-columns:38px 1fr auto;gap:10px;align-items:center}.project-btn.active,.project-btn:hover{background:#fff2cf;border-color:#e8b84d}.project-btn .n{font-size:.62rem;color:var(--orange)}.project-display{min-height:620px;border-radius:30px;position:relative;overflow:hidden;background:#15191b;color:#fff}.project-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:.35s}.project-display:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,10,.04),rgba(5,8,10,.93))}.project-copy{position:absolute;left:30px;right:30px;bottom:26px;z-index:2}.project-copy small{font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber)}.project-copy h3{font-size:2.45rem;margin:10px 0 8px}.project-copy p{margin:0;color:#d2dadd;max-width:760px}.project-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.project-tags span{padding:8px 10px;border:1px solid rgba(255,255,255,.15);border-radius:999px;background:rgba(255,255,255,.04);font-size:.67rem}
.page-hero{padding:188px 0 96px;background:var(--ink);color:#fff;position:relative;overflow:hidden}.page-hero:before{content:"";position:absolute;inset:0;background:url('/assets/grid.svg') center/cover;opacity:.44}.page-hero:after{content:"";position:absolute;right:-180px;top:-180px;width:520px;height:520px;border-radius:50%;border:1px solid rgba(241,189,60,.12);box-shadow:0 0 0 85px rgba(241,189,60,.02),0 0 0 170px rgba(100,206,245,.018)}.page-hero .container{position:relative;z-index:2}.page-hero h1{font-size:clamp(3.5rem,7.35vw,7.65rem);max-width:1140px;margin:24px 0 0}.page-lead{font-size:1.14rem;color:#b8c3c8;max-width:870px;margin-top:28px}.scope-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.scope-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:29px;min-height:290px}.scope-card small{font-size:.64rem;text-transform:uppercase;letter-spacing:.13em;color:var(--orange);font-weight:850}.scope-card h3{font-size:1.82rem;margin:25px 0 11px}.scope-card p{color:var(--muted)}.detail-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:82px}.detail-list{border-top:1px solid var(--line)}.detail-row{display:grid;grid-template-columns:220px 1fr;gap:28px;padding:20px 0;border-bottom:1px solid var(--line)}.detail-row small{font-size:.64rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:.76fr 1.24fr;gap:80px}.contact-card{background:var(--ink);color:#fff;border-radius:26px;padding:34px;position:sticky;top:30px}.contact-line{padding:20px 0;border-bottom:1px solid rgba(255,255,255,.14)}.contact-line small{display:block;color:#849097;font-size:.64rem;text-transform:uppercase;letter-spacing:.13em;margin-bottom:7px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:.67rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.field input,.field select,.field textarea{border:1px solid var(--line);background:#fbfaf7;border-radius:12px;padding:15px 14px;outline:none}.field textarea{min-height:155px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--amber)}.form-note{font-size:.8rem;color:var(--muted)}.readiness{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;margin-bottom:24px}.readiness-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.readiness-bar{height:9px;background:#e1e5e2;border-radius:999px;overflow:hidden}.readiness-bar span{display:block;height:100%;width:14%;background:linear-gradient(90deg,var(--orange),var(--amber));transition:.3s}.readiness small{display:block;color:var(--muted);margin-top:9px}.brief-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}
.cta-section{padding:90px 0}.cta-box{background:linear-gradient(135deg,#1b1f20,#665238 68%,#f1bd3c);color:#fff;border-radius:32px;padding:57px;display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:end;position:relative;overflow:hidden}.cta-box:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(255,255,255,.25);border-radius:50%;right:-160px;top:-190px;box-shadow:0 0 0 72px rgba(255,255,255,.035)}.cta-box>*{position:relative;z-index:2}.cta-box p{color:#f8eed9}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}.footer{background:#020304;color:#fff;padding:72px 0 28px}.footer-grid{display:grid;grid-template-columns:1.2fr .82fr .82fr 1fr;gap:50px}.footer p{font-size:.9rem;color:#849097;max-width:400px}.footer h4{font-size:.67rem;letter-spacing:.14em;text-transform:uppercase;color:#748087;margin:0 0 18px}.footer a{display:block;margin:10px 0;color:#d4dbdf;font-size:.9rem}.footer a:hover{color:var(--amber)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:46px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:.76rem;color:#748087}.scroll-progress{position:fixed;left:0;top:0;height:3px;background:linear-gradient(90deg,var(--orange),var(--amber),var(--cyan));width:0;z-index:999}.quick-rail{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:80;display:grid;gap:8px}.quick-rail a{width:48px;height:48px;border-radius:14px;background:rgba(8,11,13,.9);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.14);color:#fff;display:grid;place-items:center;font-size:.63rem;font-weight:850;box-shadow:0 8px 22px rgba(0,0,0,.16)}.quick-rail a:hover{background:var(--amber);color:var(--ink)}.motion{transition:transform .6s ease,filter .6s ease}.motion.seen{transform:translateY(-2px)}
@media(max-width:1080px){.service-grid{grid-template-columns:1fr 1fr}}
@media(max-width:980px){.container{width:min(var(--max),calc(100% - 34px))}.nav-shell{grid-template-columns:1fr auto}.nav-links,.nav-phone,.nav-actions .btn{display:none}.menu-btn{display:block}.mobile-panel{position:fixed;inset:0;z-index:110;background:var(--ink);color:#fff;padding:28px;display:none;overflow:auto}.mobile-panel.open{display:block}.mobile-top{display:flex;justify-content:space-between;align-items:center}.close-menu{background:none;border:0;color:#fff;font-size:2rem}.mobile-links{display:grid;gap:20px;margin-top:65px}.mobile-links>a{font-size:2rem;letter-spacing:-.03em}.mobile-sub{display:grid;gap:10px;padding-left:18px;border-left:1px solid rgba(255,255,255,.16)}.mobile-sub a{font-size:1.05rem;color:#c4ced2}.mobile-contact{margin-top:40px;display:grid;gap:10px}.hero-grid{grid-template-columns:1fr;padding:132px 0 190px}.road-stage{min-height:560px}.hero-bar-grid{grid-template-columns:1fr 1fr}.split-head,.flow-lab,.diag-wrap,.project-grid,.detail-grid,.contact-grid,.cta-box{grid-template-columns:1fr;gap:42px}.scope-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.quick-rail{display:none}}
@media(max-width:640px){section{padding:76px 0}.container{width:calc(100% - 28px)}.nav-shell{height:74px}.brand-copy strong{font-size:.84rem}.brand-copy span{font-size:.44rem}.hero-grid{padding:106px 0 196px}.hero-copy h1{font-size:clamp(3.3rem,15vw,5.7rem)}.hero-actions .btn{width:100%}.road-stage{min-height:460px}.road3d{transform:scale(.72) rotateX(61deg) rotateZ(-30deg)}.road-control{width:92%;left:4%}.hero-stat{padding:13px 8px}.hero-stat b{font-size:.94rem}.hero-stat span{font-size:.5rem}.service-grid{grid-template-columns:1fr}.flow-display{min-height:620px}.flow-copy{grid-template-columns:1fr}.diag-map{min-height:470px}.page-hero{padding:136px 0 70px}.detail-row{grid-template-columns:1fr;gap:6px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}}