:root{
  color-scheme: dark;
  --bg:#0D0F12; --surface:#15181D; --surface-2:#1C2129;
  --ink:#F2EDE3; --muted:#A8B0BC;
  --line:#2A313B; --line-strong:#3D4654;
  --amber:#FFB020; --amber-soft:#FFC95C;
  --hazard:#FFD400;
  --steel:#7FB2E5;
  --success:#4ADE80;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 10px 28px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(255,176,32,.35);
  --radius:10px;
}
[data-theme="light"]{
  color-scheme: light;
  --bg:#ECE9E2; --surface:#FAF8F4; --surface-2:#E2DED4;
  --ink:#14171B; --muted:#4E5865;
  --line:#CFC9BB; --line-strong:#A8A191;
  --amber:#C77E0A; --amber-soft:#B45309;
  --hazard:#E6B800;
  --steel:#0E4D8A;
  --success:#1E7A3C;
  --shadow:0 1px 2px rgba(20,23,27,.08),0 10px 28px rgba(20,23,27,.1);
  --glow:0 0 24px rgba(199,126,10,.25);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Barlow',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
h1,h2,h3{font-family:'Barlow Condensed',sans-serif;line-height:1.02;letter-spacing:.02em;text-transform:uppercase}
img,svg{display:block;max-width:100%}
a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.container{max-width:1140px;margin:0 auto;padding:0 1.5rem}
.skip-link{position:absolute;top:-100%;left:1rem;z-index:99;background:var(--amber);color:#14171B;
  font-size:.8rem;font-weight:700;padding:.5rem 1rem;text-decoration:none;transition:top .2s}
.skip-link:focus{top:0}

.hazard,.hazard-top{height:10px;background:repeating-linear-gradient(-45deg,var(--hazard) 0 18px,#14171B 18px 36px)}
[data-theme="light"] .hazard,[data-theme="light"] .hazard-top{background:repeating-linear-gradient(-45deg,var(--hazard) 0 18px,#14171B 18px 36px)}

.header{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:1.5rem;padding-top:.7rem;padding-bottom:.7rem}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none}
.logo-bg{fill:#2A313B}
[data-theme="light"] .logo-bg{fill:#14171B}
.logo-moon{fill:var(--amber)}
.logo-text{font-family:'Barlow Condensed';font-weight:700;font-size:1.35rem;letter-spacing:.06em;line-height:1;display:flex;flex-direction:column}
.logo-text small{font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:.55rem;letter-spacing:.3em;color:var(--muted)}
.header nav{display:flex;gap:1.4rem;margin-left:auto}
.header nav a{text-decoration:none;font-size:.92rem;font-weight:600;color:var(--muted);padding:.3rem 0;border-bottom:2px solid transparent}
.header nav a:hover{color:var(--ink);border-color:var(--amber)}
.header-actions{display:flex;align-items:center;gap:.6rem}
.shift-badge{display:flex;align-items:center;gap:.45rem;font-family:'IBM Plex Mono',monospace;
  font-size:.62rem;font-weight:600;letter-spacing:.1em;border:1px solid var(--line-strong);
  border-radius:999px;padding:.4rem .75rem;color:var(--muted);white-space:nowrap}
.shift-dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:var(--glow);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{50%{opacity:.35}}
.icon-btn{display:inline-grid;place-items:center;width:38px;height:38px;background:var(--surface);
  color:var(--ink);border:1px solid var(--line-strong);border-radius:8px;cursor:pointer;flex-shrink:0}
.icon-btn:hover{border-color:var(--amber);color:var(--amber)}
.theme-toggle .icon-sun{display:none}
[data-theme="light"] .theme-toggle .icon-sun{display:block}
[data-theme="light"] .theme-toggle .icon-moon{display:none}
.nav-toggle{display:none}
.lux-rail{height:3px;background:var(--line)}
.lux-rail span{display:block;height:100%;width:0;background:var(--amber);box-shadow:var(--glow)}

.btn{display:inline-block;font-weight:700;font-size:.9rem;text-decoration:none;text-align:center;
  padding:.7rem 1.4rem;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.btn-primary{background:var(--amber);color:#14171B;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-lg{padding:.85rem 1.8rem;font-size:.95rem}
.btn-block{width:100%;margin-top:1rem}

main{display:block}
section{padding:4.5rem 0}
section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:.7rem;font-weight:600;letter-spacing:.24em;
  text-transform:uppercase;color:var(--amber-soft);margin-bottom:.8rem}
h2{font-size:clamp(2rem,4.4vw,3rem);font-weight:700;margin-bottom:.8rem;max-width:24ch}
.sec-sub{color:var(--muted);max-width:62ch;margin-bottom:2.5rem}

.hero{padding:4rem 0 3.5rem;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.hero h1{font-size:clamp(2.6rem,5.6vw,4.4rem);font-weight:700;margin-bottom:1.1rem}
.hero h1 .lit-word{color:var(--amber);text-shadow:var(--glow)}
.hero-sub{color:var(--muted);font-size:1.05rem;max-width:50ch;margin-bottom:1.8rem}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:1.8rem}
.hero-meters{display:flex;gap:2rem;flex-wrap:wrap}
.hero-meters div{display:flex;flex-direction:column}
.hero-meters dt{font-family:'IBM Plex Mono',monospace;font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.hero-meters dd{font-family:'Barlow Condensed';font-size:1.7rem;font-weight:700;color:var(--amber)}
.hero-visual{position:relative}
#skyline{width:100%;height:auto}
.sky{fill:#090C10}
[data-theme="light"] .sky{fill:#20262F}
.moon{fill:var(--amber)}
.stars{stroke:var(--muted);opacity:.6}
.crane{stroke:var(--line-strong)}
.load{fill:var(--amber)}
.tower rect{fill:#1A2029;stroke:var(--line-strong);stroke-width:2}
[data-theme="light"] .tower rect{fill:#2A313B}
.winset rect{fill:#39414D;transition:fill .8s}
.winset.lit rect{fill:var(--amber)}
.block rect{fill:#1A2029;stroke:var(--line-strong);stroke-width:2}
[data-theme="light"] .block rect{fill:#2A313B}
.beacon circle{fill:#E5484D;animation:pulse 1.2s steps(2) infinite}
.ground{fill:#14171B}
[data-theme="light"] .ground{fill:#14171B}
.lamp line{stroke:var(--line-strong);stroke-width:4}
.lamp-head{fill:var(--amber)}
.cone{fill:var(--amber);opacity:.18}
.skyline-note{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.14em;
  color:var(--muted);margin-top:.6rem;text-align:right}
.skyline-note span{color:var(--amber);font-weight:600}

.shifts{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-bottom:3rem}
.shift-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem}
.shift-card.night{border-color:var(--amber);box-shadow:var(--glow)}
.shift-tag{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:.62rem;font-weight:600;
  letter-spacing:.16em;background:var(--surface-2);border:1px solid var(--line-strong);
  border-radius:6px;padding:.3rem .6rem;margin-bottom:1rem;color:var(--muted)}
.shift-card.night .shift-tag{background:var(--amber);border-color:var(--amber);color:#14171B}
.shift-card h3{font-size:1.7rem;margin-bottom:1rem}
.shift-card ul{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.shift-card li{display:flex;gap:.6rem;font-size:.92rem;color:var(--muted)}
.shift-card li::before{content:"▸";color:var(--amber);font-weight:700}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;border-top:1px solid var(--line);padding-top:2rem}
.stat b{font-family:'Barlow Condensed';font-size:clamp(3rem,5.5vw,4.5rem);font-weight:700;display:block;color:var(--amber);line-height:1}
.stat b small{font-size:.45em;font-weight:600;letter-spacing:.02em}
.stat b span{font-size:1em}
.stat > span{font-size:.82rem;color:var(--muted)}

.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;list-style:none}
.timeline li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem 1.1rem;border-top:3px solid var(--amber)}
.timeline span{font-family:'IBM Plex Mono',monospace;font-size:.7rem;font-weight:600;letter-spacing:.12em;color:var(--amber)}
.timeline h3{font-size:1.25rem;margin:.4rem 0}
.timeline p{font-size:.83rem;color:var(--muted)}

.works{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.work{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,border-color .25s}
.work:hover{transform:translateY(-4px);border-color:var(--amber)}
.work-art{width:100%;height:180px}
.night-bg{fill:#090C10}
[data-theme="light"] .night-bg{fill:#20262F}
.work-art .bld{fill:#2A313B;stroke:#3D4654;stroke-width:2}
.work-art .roof{fill:var(--amber)}
.work-art .door{fill:#14171B;stroke:var(--amber);stroke-width:2}
.work-art .lit rect{fill:var(--amber)}
.work-body{padding:1.3rem 1.3rem 1.4rem}
.work-body h3{font-size:1.4rem;margin-bottom:.4rem}
.work-body p{font-size:.88rem;color:var(--muted)}
.work-meta{font-family:'IBM Plex Mono',monospace;font-size:.66rem !important;letter-spacing:.1em;color:var(--amber-soft) !important;margin-top:.7rem}

.split{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.protocol{list-style:none;margin-top:1.5rem;display:flex;flex-direction:column}
.protocol li{display:grid;grid-template-columns:90px 1fr;gap:1rem;padding:.9rem 0;border-bottom:1px solid var(--line)}
.protocol b{font-family:'Barlow Condensed';font-size:1.6rem;color:var(--amber)}
.protocol span{font-size:.9rem;color:var(--muted);padding-top:.3rem}
.quote{background:var(--surface-2);border:1px solid var(--line);border-left:4px solid var(--amber);
  border-radius:0 var(--radius) var(--radius) 0;padding:1.4rem;margin-bottom:1rem}
.quote blockquote{font-size:.98rem;line-height:1.65;margin-bottom:1rem}
.quote figcaption b{font-size:.88rem;display:block}
.quote figcaption span{font-size:.78rem;color:var(--muted)}

.narrow{max-width:760px}
.faq-list{display:flex;flex-direction:column;gap:.7rem}
.faq-list details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 1.2rem}
.faq-list summary{font-family:'Barlow Condensed';font-weight:600;font-size:1.25rem;letter-spacing:.03em;cursor:pointer;
  padding:.9rem 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;text-transform:uppercase}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-size:1.4rem;color:var(--amber);flex-shrink:0}
.faq-list details[open] summary::after{content:"–"}
.faq-list details p{padding:0 0 1.1rem;font-size:.9rem;color:var(--muted);max-width:64ch}

.contact-list{display:flex;flex-direction:column;margin-top:1.8rem;border-top:1px solid var(--line)}
.contact-list div{display:flex;gap:1rem;padding:.7rem 0;border-bottom:1px solid var(--line);font-size:.9rem}
.contact-list span{min-width:90px;font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);padding-top:.2rem}
.contact-list a{text-decoration:none;font-weight:600}
.contact-list a:hover{color:var(--amber)}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:1.8rem;border-top:3px solid var(--amber)}
.form-card h3{font-size:1.6rem;margin-bottom:.5rem}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
label{font-size:.78rem;font-weight:600;display:block;margin:.9rem 0 .3rem}
input,select,textarea{width:100%;font:inherit;font-size:.92rem;padding:.65rem .75rem;color:var(--ink);
  border:1px solid var(--line-strong);border-radius:8px;background:var(--bg)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,176,32,.25)}
textarea{resize:vertical;min-height:96px}
.form-status{font-size:.8rem;min-height:1.4em;margin-top:.8rem;color:#FCA5A5}
[data-theme="light"] .form-status{color:#B91C1C}
.form-sent{margin-top:.8rem;font-size:.85rem;font-weight:600;color:var(--success)}

footer{background:#090C10;color:#F2EDE3}
[data-theme="light"] footer{background:#14171B}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;padding-top:3rem;padding-bottom:2rem}
.footer-brand{font-family:'Barlow Condensed';font-weight:700;font-size:1.2rem;letter-spacing:.05em;color:var(--amber)}
.footer-grid p{font-size:.85rem;opacity:.75;margin-top:.5rem}
.footer-updated{font-size:.75rem}
.footer-grid nav{display:flex;flex-direction:column;gap:.45rem}
.footer-grid nav a,.footer-grid div a{text-decoration:none;font-size:.88rem;opacity:.8;display:block;margin-top:.45rem}
.footer-grid nav a:hover,.footer-grid div a:hover{opacity:1;color:var(--amber)}
.footer-grid div b{display:block;margin-bottom:.3rem;color:var(--amber)}
.footer-end{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid #2A313B;
  padding-top:1.2rem;padding-bottom:1.2rem;font-size:.78rem;opacity:.8}
.footer-end a{color:inherit}

.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:55;width:56px;height:56px;
  display:grid;place-items:center;background:#25D366;color:#fff;border-radius:50%;
  box-shadow:0 8px 24px rgba(0,0,0,.4);transition:transform .2s}
.whatsapp-float:hover{transform:scale(1.06)}

.js [data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;transition-delay:var(--d,0s)}
.js [data-reveal].in{opacity:1;transform:none}

@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .works{grid-template-columns:1fr 1fr}
  .split,.shifts{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr 1fr}
  .shift-badge{display:none}
}
@media (max-width:720px){
  .header nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);
    flex-direction:column;gap:0;padding:.5rem 1.5rem 1rem;border-bottom:1px solid var(--line)}
  .header nav.open{display:flex}
  .header nav a{padding:.7rem 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:inline-grid}
  .header .btn{display:none}
  section{padding:3rem 0}
  .timeline,.works{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .whatsapp-float{width:48px;height:48px;right:14px;bottom:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s !important;animation-iteration-count:1 !important;transition-duration:.001s !important}
  html{scroll-behavior:auto}
  .js [data-reveal]{opacity:1;transform:none}
}