/* ROi Construction & Engineering — site styles
   Palette: white (dominant), off-white, light grey, silver, deep black, charcoal, ROi red. */
:root{
  --white:#FFFFFF; --off:#F8F9FA; --line:#E5E5E5; --silver:#BFC1C3;
  --black:#101010; --charcoal:#1C1C1C; --red:#C8101E; --red-dark:#9E0B17;
  --text:#3F4246; --muted:#6A6D72;
  --font-head:'Archivo',system-ui,sans-serif; --font-body:'Inter',system-ui,sans-serif;
  --container:1240px; --gutter:24px; --radius:4px; --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--charcoal);line-height:1.12;margin:0;font-weight:700;letter-spacing:-.01em}
h1,h2,h3{text-wrap:balance}
p{margin:0 0 1em;text-wrap:pretty}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--black);color:#fff;padding:10px 16px;z-index:1000}
.skip-link:focus{left:8px}
.container{width:100%;max-width:calc(var(--container) + var(--gutter)*2);margin:0 auto;padding:0 var(--gutter)}
.ico{width:1.1em;height:1.1em;flex:none}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border:1.5px solid transparent;border-radius:var(--radius);font-family:var(--font-head);font-weight:600;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}
.btn .ico{transition:transform .25s var(--ease)}
.btn:hover .ico:last-child{transform:translateX(3px)}
.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-dark)}
.btn-dark{background:var(--charcoal);color:#fff}.btn-dark:hover{background:var(--red)}
.btn-outline{border-color:var(--charcoal);color:var(--charcoal);background:transparent}.btn-outline:hover{background:var(--charcoal);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}.btn-ghost:hover{background:#fff;color:var(--charcoal);border-color:#fff}
.btn-sm{padding:10px 18px;font-size:.74rem}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-head);font-weight:600;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--charcoal)}
.link-arrow .ico{transition:transform .25s var(--ease)}
.link-arrow:hover{color:var(--red)}.link-arrow:hover .ico{transform:translateX(4px)}

/* ---------- Wordmark (stand-in until the transparent logo file is supplied) ---------- */
.wordmark{display:inline-flex;flex-direction:column;gap:3px;line-height:1}
.wm-bar{display:block;height:4px;border-radius:1px;background:linear-gradient(90deg,var(--black) 0%,var(--black) 45%,var(--red) 100%)}
.wm-letters{font-family:var(--font-head);font-weight:800;font-size:2.15rem;letter-spacing:.04em;color:var(--charcoal);display:flex;gap:2px}
.wm-i{color:var(--red)}
.wm-sub{font-family:var(--font-head);font-weight:600;font-size:.5rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.wordmark--light .wm-bar{background:linear-gradient(90deg,#fff 0%,#fff 45%,var(--red) 100%)}
.wordmark--light .wm-letters{color:#fff}.wordmark--light .wm-sub{color:var(--silver)}
.logo-img{height:48px;width:auto}

/* ---------- Top bar + header ---------- */
.topbar{background:var(--off);border-bottom:1px solid var(--line);font-size:.8rem}
.topbar-inner{display:flex;justify-content:space-between;align-items:stretch;min-height:40px}
.topbar-contact{display:flex;gap:28px;align-items:center}
.topbar-contact a{display:inline-flex;align-items:center;gap:8px;color:var(--text)}
.topbar-contact a:hover{color:var(--red)}
.topbar-contact .ico{color:var(--red)}
.topbar-quote{display:flex;align-items:center;padding:0 24px;background:var(--red);color:#fff;font-family:var(--font-head);font-weight:600;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase}
.topbar-quote:hover{background:var(--red-dark)}
.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.97);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header.is-stuck{box-shadow:0 6px 24px rgba(16,16,16,.08)}
.header-inner{display:flex;align-items:center;gap:32px;min-height:84px}
.brand{display:inline-flex;flex:none}
.main-nav{display:flex;gap:6px;margin-left:auto}
.main-nav a{position:relative;padding:10px 16px;font-family:var(--font-head);font-weight:600;font-size:.84rem;letter-spacing:.08em;text-transform:uppercase;color:var(--charcoal)}
.main-nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1)}
.menu-toggle{display:none;margin-left:auto;width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);align-items:center;justify-content:center;color:var(--charcoal)}
.menu-toggle .ico{width:22px;height:22px}
.mobile-menu{position:fixed;inset:0;z-index:120;background:#fff;padding:140px var(--gutter) 40px;display:flex;flex-direction:column;gap:14px;overflow-y:auto}
.mobile-menu nav{display:flex;flex-direction:column;margin-bottom:12px}
.mobile-menu nav a{font-family:var(--font-head);font-weight:700;font-size:1.7rem;color:var(--charcoal);padding:14px 0;border-bottom:1px solid var(--line)}
.mobile-menu nav a[aria-current]{color:var(--red)}
.mobile-menu-contact{margin-top:12px;color:var(--muted);font-size:.95rem}
body.menu-open{overflow:hidden}
body.menu-open .site-header{z-index:130}
body.menu-open .menu-toggle{position:relative;z-index:131}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:calc(100svh - 124px);min-height:max(620px,calc(100svh - 124px));display:flex;align-items:flex-end;color:#fff;background:var(--black);overflow:hidden}
.hero-media,.hero-slide-bg{position:absolute;inset:0}
.hero-slide-bg{background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s var(--ease),transform 8s linear;transform:scale(1.06)}
.hero-slide-bg.is-active{opacity:1;transform:scale(1)}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,16,16,.55) 0%,rgba(16,16,16,.15) 38%,rgba(16,16,16,.78) 100%),linear-gradient(90deg,rgba(16,16,16,.55) 0%,transparent 70%);pointer-events:none}
.hero-inner{position:relative;z-index:2;width:100%;padding-bottom:72px}
.hero-counter{display:flex;align-items:center;gap:14px;font-family:var(--font-head);font-weight:600;margin-bottom:28px;color:rgba(255,255,255,.7)}
.hero-counter .cur{font-size:2.6rem;font-weight:700;color:#fff;line-height:1}
.hero-counter .line{width:56px;height:1px;background:rgba(255,255,255,.45)}
.hero-slides{position:relative;max-width:720px}
.hero-slide{display:none}
.hero-slide.is-active{display:block;animation:heroIn .8s var(--ease) both}
@keyframes heroIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.eyebrow{display:inline-flex;align-items:center;gap:14px;font-family:var(--font-head);font-weight:600;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--red)}
.eyebrow::after{content:"";width:56px;height:1px;background:currentColor;opacity:.5}
.hero .eyebrow{color:#fff}.hero .eyebrow::after{background:var(--red);opacity:1;height:2px}
.hero h1,.hero h2.hero-title{color:#fff;font-size:clamp(2.4rem,5.4vw,4.4rem);font-weight:700;margin:16px 0 18px;letter-spacing:-.02em}
.hero p{color:rgba(255,255,255,.82);font-size:1.08rem;max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-controls{position:absolute;right:var(--gutter);bottom:72px;z-index:3;display:flex;gap:10px}
.hero-btn{width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.5);background:transparent;color:#fff;display:flex;align-items:center;justify-content:center;transition:.25s var(--ease)}
.hero-btn:hover{background:var(--red);border-color:var(--red)}
.hero-progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(255,255,255,.18);z-index:3}
.hero-progress span{display:block;height:100%;width:0;background:var(--red)}
.hero-progress span.run{animation:prog var(--dur,6.5s) linear forwards}
@keyframes prog{to{width:100%}}

/* ---------- Sections ---------- */
.section{padding:110px 0}
.section-off{background:var(--off)}
.section-dark{background:var(--charcoal);color:rgba(255,255,255,.75)}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:640px;margin-bottom:56px}
.section-head h2{font-size:clamp(2rem,3.6vw,3rem);margin-top:14px}
.section-head p{margin-top:16px;color:var(--muted);font-size:1.05rem}
.section-head--split{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.section-head--split .lead{max-width:460px;margin:0;color:var(--muted)}
.section-dark .section-head p{color:rgba(255,255,255,.6)}

/* About intro */
.split{display:grid;grid-template-columns:1fr 1fr;gap:88px;align-items:center}
.split-media{position:relative}
.split-media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius)}
.split-media .accent-img{position:absolute;right:-36px;bottom:-36px;width:46%;aspect-ratio:1;object-fit:cover;border:8px solid #fff;border-radius:var(--radius);box-shadow:0 18px 40px rgba(16,16,16,.15)}
.split-media::before{content:"";position:absolute;left:-18px;top:-18px;width:38%;height:38%;border-top:2px solid var(--red);border-left:2px solid var(--red);pointer-events:none}
.split-text h2{font-size:clamp(2rem,3.4vw,2.9rem);margin:14px 0 22px}
.split-text .lead{font-size:1.1rem;color:var(--charcoal)}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:34px 0;border-top:1px solid var(--line)}
.fact{padding:22px 20px 0 0}
.fact b{display:block;font-family:var(--font-head);font-size:2.2rem;font-weight:700;color:var(--charcoal);line-height:1}
.fact span{display:block;margin-top:8px;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* Services cards (home) */
.svc-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.svc-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:background .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease),box-shadow .35s var(--ease)}
.svc-card-body{padding:36px 32px 30px;flex:1}
.svc-card .num{font-family:var(--font-head);font-weight:700;font-size:.82rem;letter-spacing:.14em;color:var(--red);margin-bottom:16px}
.svc-card h3{font-size:1.45rem;margin-bottom:14px;transition:color .3s}
.svc-card p{color:var(--muted);margin-bottom:24px;transition:color .3s}
.svc-card .link-arrow{transition:color .3s}
.svc-card-img{aspect-ratio:16/10;overflow:hidden}
.svc-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.svc-card:hover .svc-card-img img{transform:scale(1.06)}
.svc-card.is-active{background:var(--red);border-color:var(--red);box-shadow:0 24px 50px rgba(200,16,30,.25);transform:translateY(-6px)}
.svc-card.is-active .num,.svc-card.is-active h3,.svc-card.is-active p,.svc-card.is-active .link-arrow{color:#fff}
.svc-card.is-active p{opacity:.9}

/* Offerings list */
.offerings{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:64px}
.offering{display:flex;flex-direction:column;gap:10px;padding:28px 26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;transition:background .3s,color .3s}
.offering .n{font-family:var(--font-head);font-weight:700;font-size:.78rem;letter-spacing:.14em;color:var(--red)}
.offering h4{font-size:1.02rem;font-weight:600}
.offering:hover{background:var(--charcoal)}.offering:hover h4{color:#fff}

/* Projects */
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.proj-grid--3{grid-template-columns:repeat(3,1fr)}
.proj-card{position:relative;display:block;overflow:hidden;border-radius:var(--radius);background:var(--charcoal);aspect-ratio:4/3}
.proj-card img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease),opacity .4s}
.proj-card:hover img{transform:scale(1.06);opacity:.8}
.proj-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(16,16,16,.85) 100%)}
.proj-info{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:26px 28px;color:#fff;display:flex;justify-content:space-between;align-items:flex-end;gap:16px}
.proj-meta{font-family:var(--font-head);font-weight:600;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.75);margin-bottom:8px}
.proj-info h3{color:#fff;font-size:1.35rem}
.proj-go{flex:none;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.5);display:flex;align-items:center;justify-content:center;transition:.3s var(--ease)}
.proj-card:hover .proj-go{background:var(--red);border-color:var(--red)}
.tag-3d{position:absolute;top:18px;left:18px;z-index:2;padding:5px 10px;background:rgba(255,255,255,.95);color:var(--charcoal);font-family:var(--font-head);font-weight:700;font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;border-radius:2px}
.slot-card{aspect-ratio:4/3;border:1.5px dashed var(--silver);border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:28px;color:var(--muted);background:var(--off)}
.slot-card .ico{width:30px;height:30px;color:var(--red)}
.slot-card b{font-family:var(--font-head);color:var(--charcoal);font-size:1.05rem}
.slot-card span{font-size:.88rem;max-width:300px}

/* Showreel / drone */
.showreel{position:relative;min-height:520px;display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;background:var(--black) center/cover no-repeat;overflow:hidden}
.showreel::after{content:"";position:absolute;inset:0;background:rgba(16,16,16,.58)}
.showreel video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.showreel-inner{position:relative;z-index:2;padding:80px var(--gutter);max-width:720px}
.showreel h2{color:#fff;font-size:clamp(2rem,3.6vw,3rem);margin:16px 0 14px}
.showreel p{color:rgba(255,255,255,.8)}
.showreel .eyebrow{color:#fff}.showreel .eyebrow::after{background:var(--red);opacity:1;height:2px}
.slot-badge{display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:8px 14px;border:1px dashed rgba(255,255,255,.6);border-radius:2px;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:#fff}

/* Numbers */
.numbers{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.number{padding:8px 32px;border-left:1px solid rgba(255,255,255,.14)}
.number:first-child{border-left:0;padding-left:0}
.number b{display:block;font-family:var(--font-head);font-weight:700;font-size:clamp(2.6rem,4.4vw,3.8rem);color:#fff;line-height:1}
.number b sup{font-size:.5em;color:var(--red);vertical-align:top;margin-left:2px}
.number > span{display:block;margin-top:12px;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.6)}

/* CTA */
.cta{background:var(--off);border-top:1px solid var(--line)}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta h2{font-size:clamp(1.8rem,3.2vw,2.6rem);max-width:640px}
.cta p{color:var(--muted);margin:14px 0 0;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Page banner ---------- */
.page-banner{position:relative;padding:96px 0 80px;color:#fff;background:var(--charcoal) center/cover no-repeat;overflow:hidden}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,16,16,.88),rgba(16,16,16,.55))}
.page-banner .container{position:relative}
.crumbs{display:flex;gap:10px;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.65);margin-bottom:18px;font-family:var(--font-head);font-weight:600}
.crumbs a:hover{color:#fff}.crumbs [aria-current]{color:#fff}
.page-banner h1{color:#fff;font-size:clamp(2.4rem,5vw,4rem);max-width:820px}
.page-banner p{color:rgba(255,255,255,.78);max-width:600px;margin:18px 0 0;font-size:1.08rem}

/* About page */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.value{padding:34px 28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.value .n{font-family:var(--font-head);font-weight:700;font-size:.8rem;letter-spacing:.14em;color:var(--red)}
.value h3{font-size:1.3rem;margin:14px 0 10px}.value p{color:var(--muted);margin:0;font-size:.95rem}
.mv{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.mv-card{padding:48px 44px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.mv-card.dark{background:var(--charcoal);border-color:var(--charcoal)}
.mv-card.dark h3,.mv-card.dark p{color:#fff}.mv-card.dark p{opacity:.8}
.mv-card .eyebrow{margin-bottom:14px}.mv-card h3{font-size:1.7rem;margin-bottom:14px}.mv-card p{margin:0;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.step{position:relative;padding:0 28px 0 0}
.step::before{counter-increment:s;content:"0" counter(s);display:block;font-family:var(--font-head);font-weight:700;font-size:2.6rem;color:var(--silver);margin-bottom:16px;line-height:1}
.step::after{content:"";display:block;height:2px;background:var(--line);margin-bottom:18px}
.step h3{font-size:1.15rem;margin-bottom:8px}.step p{color:var(--muted);font-size:.95rem;margin:0}

/* Services page */
.svc-layout{display:grid;grid-template-columns:280px 1fr;gap:72px;align-items:start}
.svc-index{position:sticky;top:112px}
.svc-index h2{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-weight:600}
.svc-index a{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);font-family:var(--font-head);font-weight:600;font-size:.95rem;color:var(--charcoal);transition:color .25s,padding .25s}
.svc-index a span{color:var(--red);font-size:.78rem;letter-spacing:.1em;padding-top:3px}
.svc-index a:hover,.svc-index a.is-current{color:var(--red);padding-left:6px}
.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:0 0 72px;margin-bottom:72px;border-bottom:1px solid var(--line);scroll-margin-top:110px}
.svc-row:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.svc-row img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius)}
.svc-row .num{font-family:var(--font-head);font-weight:700;color:var(--red);letter-spacing:.14em;font-size:.85rem}
.svc-row h3{font-size:1.9rem;margin:10px 0 16px}
.ticks{margin:22px 0 28px}
.ticks li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--line);font-size:.95rem;color:var(--charcoal)}
.ticks .ico{color:var(--red);margin-top:4px}

/* Projects page */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:44px}
.filter{padding:10px 20px;border:1px solid var(--line);background:#fff;border-radius:40px;font-family:var(--font-head);font-weight:600;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--charcoal);transition:.25s var(--ease)}
.filter:hover{border-color:var(--charcoal)}
.filter.is-active{background:var(--charcoal);border-color:var(--charcoal);color:#fff}
.proj-card.is-hidden{display:none}

/* Project detail */
.pd-hero{position:relative;aspect-ratio:21/9;min-height:340px;max-height:620px;overflow:hidden;background:var(--black)}
.pd-hero img,.pd-hero video{width:100%;height:100%;object-fit:cover}
.pd-grid{display:grid;grid-template-columns:2fr 1fr;gap:72px;align-items:start}
.pd-grid h2{font-size:1.9rem;margin-bottom:18px}
.pd-facts{border:1px solid var(--line);border-radius:var(--radius);padding:8px 28px;background:var(--off)}
.pd-facts dl{margin:0}
.pd-facts div{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}
.pd-facts div:last-child{border-bottom:0}
.pd-facts dt{font-family:var(--font-head);font-weight:600;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.pd-facts dd{margin:0;color:var(--charcoal);font-weight:500;text-align:right}
.tbc{color:var(--silver);font-style:italic;font-weight:400}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery button{padding:0;border:0;background:var(--charcoal);border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;position:relative}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease),opacity .3s}
.gallery button:hover img{transform:scale(1.05);opacity:.85}
.video-slot{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--charcoal);aspect-ratio:16/9}
.video-slot video{width:100%;height:100%;object-fit:cover}
.video-slot.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;color:rgba(255,255,255,.75);border:1.5px dashed rgba(255,255,255,.3);padding:32px}
.video-slot.empty .ico{width:38px;height:38px;color:var(--red)}
.video-slot.empty b{font-family:var(--font-head);color:#fff;font-size:1.15rem}
.pd-nav{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:48px;margin-top:72px;border-top:1px solid var(--line)}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(16,16,16,.94);display:flex;align-items:center;justify-content:center;padding:56px 72px}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain;border-radius:2px}
.lb-btn{position:absolute;width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(16,16,16,.4);color:#fff;display:flex;align-items:center;justify-content:center;transition:.25s}
.lb-btn:hover{background:var(--red);border-color:var(--red)}
.lb-close{top:20px;right:20px}.lb-prev{left:16px;top:50%;margin-top:-24px}.lb-next{right:16px;top:50%;margin-top:-24px}
.lb-count{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.7);font-size:.85rem;letter-spacing:.1em}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.45fr;gap:72px;align-items:start}
.contact-info h2,.contact-form-wrap h2{font-size:2rem;margin-bottom:16px}
.c-list{margin:32px 0}
.c-list li{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.c-list .ico{width:22px;height:22px;color:var(--red);margin-top:3px}
.c-list b{display:block;font-family:var(--font-head);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:4px}
.c-list a:hover{color:var(--red)}
.brochure-card{display:flex;gap:18px;align-items:center;padding:24px;background:var(--charcoal);color:#fff;border-radius:var(--radius)}
.brochure-card .ico{width:34px;height:34px;color:var(--red);flex:none}
.brochure-card b{display:block;font-family:var(--font-head);font-size:1.1rem;color:#fff}
.brochure-card span{font-size:.88rem;color:rgba(255,255,255,.7)}
.brochure-card .btn{margin-left:auto;flex:none}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:44px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:20px}
.field label{display:block;margin-bottom:8px;font-family:var(--font-head);font-weight:600;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--charcoal)}
.field input,.field select,.field textarea{width:100%;padding:14px 16px;border:1px solid var(--silver);border-radius:var(--radius);font:inherit;color:var(--charcoal);background:#fff;transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--red);box-shadow:0 0 0 3px rgba(200,16,30,.12)}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.alert{padding:16px 20px;border-radius:var(--radius);margin-bottom:24px;font-weight:500}
.alert-ok{background:#F1FAF4;border:1px solid #9AD3AE;color:#1F5E36}
.alert-err{background:#FDF2F2;border:1px solid #E7A4A4;color:#8A1C1C}
.form small{color:var(--muted);display:block;margin-top:14px;font-size:.82rem}
.map{margin-top:0;height:420px;background:var(--line)}
.map iframe{width:100%;height:100%;border:0;display:block;filter:grayscale(.35)}

/* ---------- Footer ---------- */
.site-footer{background:var(--black);color:rgba(255,255,255,.65);padding:84px 0 0;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:56px;padding-bottom:64px}
.footer-brand p{margin:22px 0 14px;max-width:340px}
.footer-rc{font-family:var(--font-head);font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--silver)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:40px;height:40px;border:1px solid rgba(255,255,255,.2);border-radius:50%;display:flex;align-items:center;justify-content:center}
.footer-social a:hover{background:var(--red);border-color:var(--red);color:#fff}
.site-footer h3{color:#fff;font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:22px;font-weight:600}
.footer-links li{margin-bottom:11px}.footer-links a:hover,.footer-contact a:hover{color:#fff}
.footer-contact li{display:flex;gap:12px;margin-bottom:14px}.footer-contact .ico{color:var(--red);margin-top:4px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:26px 0;border-top:1px solid rgba(255,255,255,.1);font-size:.84rem}
.to-top{display:inline-flex;gap:8px;align-items:center}.to-top .ico{transform:rotate(-90deg)}.to-top:hover{color:#fff}

/* ---------- Placeholders / 404 ---------- */
.notfound{min-height:60vh;display:flex;align-items:center;text-align:center}
.notfound h1{font-size:clamp(4rem,12vw,9rem);color:var(--red)}

/* ---------- Reveal (content stays visible if JS is off) ---------- */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal[data-d="1"]{transition-delay:.08s}.js .reveal[data-d="2"]{transition-delay:.16s}.js .reveal[data-d="3"]{transition-delay:.24s}.js .reveal[data-d="4"]{transition-delay:.32s}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .main-nav{display:none}.header-brochure{margin-left:auto}.menu-toggle{display:flex;margin-left:0}
  .split{grid-template-columns:1fr;gap:72px}.split-media{max-width:560px}
  .svc-cards{grid-template-columns:1fr 1fr}.offerings{grid-template-columns:repeat(2,1fr)}
  .proj-grid--3{grid-template-columns:1fr 1fr}.numbers{grid-template-columns:1fr 1fr;row-gap:40px}.number:nth-child(3){border-left:0;padding-left:0}
  .values{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr;row-gap:36px}
  .svc-layout{grid-template-columns:1fr;gap:40px}.svc-index{display:none}
  .pd-grid,.contact-grid{grid-template-columns:1fr;gap:48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:44px}
}
@media (max-width:760px){
  :root{--gutter:20px}
  .section{padding:72px 0}
  .topbar-contact a:last-child{display:none}
  .header-inner{min-height:70px;gap:12px}
  .header-brochure span{display:none}.header-brochure{padding:11px 13px}
  .wm-letters{font-size:1.8rem}
  .hero{align-items:flex-end}.hero-inner{padding-bottom:96px}.hero-controls{bottom:28px;left:var(--gutter);right:auto}
  .hero-counter .cur{font-size:2rem}
  .svc-cards,.proj-grid,.proj-grid--3,.mv,.svc-row,.form-row{grid-template-columns:1fr}
  .offerings,.values,.steps,.facts{grid-template-columns:1fr}.fact{padding-bottom:18px;border-bottom:1px solid var(--line)}
  .numbers{grid-template-columns:1fr 1fr}.number{padding:8px 16px}
  .split-media .accent-img{right:-8px;bottom:-24px}
  .gallery{grid-template-columns:1fr 1fr}.form{padding:28px 22px}.mv-card{padding:34px 26px}
  .brochure-card{flex-wrap:wrap}.brochure-card .btn{margin-left:0;width:100%}
  .footer-grid{grid-template-columns:1fr}.lightbox{padding:64px 12px}
  .page-banner{padding:68px 0 56px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}