:root{
  --bg:#0B0F1A;
  --bg-panel:#11182B;
  --bg-panel-2:#161F36;
  --accent:#FF6A1A;
  --accent-teal:#00D9B5;
  --text:#EDF1F7;
  --muted:#8792A6;
  --line: rgba(237,241,247,0.12);
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'IBM Plex Sans', sans-serif;
  line-height:1.5;
  overflow-x:hidden;
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}
h1,h2,h3{font-family:'Space Grotesk', sans-serif; letter-spacing:-0.01em;}
.mono{font-family:'IBM Plex Mono', monospace;}
a{color:inherit; text-decoration:none;}
.wrap{max-width:1180px; margin:0 auto; padding:0 32px;}

/* background grid texture */
.grid-bg{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, black 40%, transparent 90%);
  opacity:0.5;
}

/* NAV */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(11,15,26,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 32px; max-width:1180px; margin:0 auto;
}
.logo{
  font-family:'Space Grotesk', sans-serif; font-weight:700; font-size:1.25rem;
  letter-spacing:0.02em; display:flex; align-items:center; gap:10px;
}
.logo-mark{
  width:12px; height:12px; background:var(--accent);
  transform:rotate(45deg); flex-shrink:0;
}
.nav-links{display:flex; gap:36px; font-size:0.95rem; color:var(--muted);}
.nav-links a{transition:color 0.2s; padding-bottom:4px; border-bottom:1px solid transparent;}
.nav-links a:hover, .nav-links a:focus-visible{color:var(--text); outline:none;}
.nav-links a.active{color:var(--text); border-bottom-color:var(--accent);}
.nav-cta{
  font-size:0.85rem; font-family:'IBM Plex Mono', monospace;
  border:1px solid var(--line); padding:9px 18px;
  transition:border-color 0.2s, background 0.2s; white-space:nowrap;
}
.nav-cta:hover, .nav-cta:focus-visible{border-color:var(--accent); background:rgba(255,106,26,0.08); outline:none;}
.nav-mobile-hide{display:flex;}
.nav-toggle{display:none; background:none; border:1px solid var(--line); color:var(--text); width:40px; height:40px; font-family:'IBM Plex Mono',monospace; font-size:1rem;}
.mobile-menu{display:none;}
@media (max-width:800px){
  .nav-mobile-hide{display:none;}
  .nav-toggle{display:block;}
  nav{flex-wrap:wrap;}
  .mobile-menu{
    display:none; flex-direction:column; gap:0; width:100%;
    border-top:1px solid var(--line); margin-top:16px;
  }
  .mobile-menu.open{display:flex;}
  .mobile-menu a{padding:14px 0; border-bottom:1px solid var(--line); color:var(--muted); font-size:0.95rem;}
  .mobile-menu a.active{color:var(--accent);}
}

/* HERO (home) */
.hero{
  position:relative; z-index:1;
  padding:100px 32px 80px;
  max-width:1180px; margin:0 auto;
}
.eyebrow{
  font-family:'IBM Plex Mono', monospace; font-size:0.8rem; color:var(--accent-teal);
  letter-spacing:0.12em; text-transform:uppercase;
  display:flex; align-items:center; gap:10px; margin-bottom:24px;
}
.eyebrow::before{content:''; width:24px; height:1px; background:var(--accent-teal);}
.hero h1{
  font-size:clamp(2.6rem, 6vw, 4.6rem);
  font-weight:700; line-height:1.03; max-width:900px;
}
.hero h1 .accent{color:var(--accent);}
.hero-sub{
  margin-top:26px; font-size:1.15rem; color:var(--muted); max-width:560px;
}
.hero-ctas{display:flex; gap:16px; margin-top:40px; flex-wrap:wrap;}
.btn{
  font-family:'IBM Plex Mono', monospace; font-size:0.85rem;
  padding:15px 28px; display:inline-block; transition:all 0.2s;
  border:1px solid transparent;
}
.btn-primary{background:var(--accent); color:#0B0F1A; font-weight:500;}
.btn-primary:hover, .btn-primary:focus-visible{background:#ff7f3d; outline:none;}
.btn-ghost{border-color:var(--line); color:var(--text);}
.btn-ghost:hover, .btn-ghost:focus-visible{border-color:var(--text); outline:none;}

/* PAGE HEADER (sub-pages) */
.page-header{
  position:relative; z-index:1; padding:80px 32px 60px; max-width:1180px; margin:0 auto;
  border-bottom:1px solid var(--line);
}
.page-header h1{font-size:clamp(2.2rem, 4.6vw, 3.4rem);}
.page-header p{margin-top:20px; font-size:1.05rem; color:var(--muted); max-width:600px;}

/* ROUTE ANIMATION */
.route{
  margin-top:70px; border:1px solid var(--line); background:var(--bg-panel);
  padding:34px 36px 26px;
}
.route-labels{display:flex; justify-content:space-between; font-family:'IBM Plex Mono', monospace; font-size:0.78rem; color:var(--muted); margin-bottom:6px;}
.route-labels span:last-child{color:var(--text);}
svg.route-svg{display:block; width:100%; height:auto;}
.route-path{
  fill:none; stroke:var(--line); stroke-width:1.5;
}
.route-path-active{
  fill:none; stroke:var(--accent-teal); stroke-width:2;
  stroke-dasharray:6 10; stroke-dashoffset:0;
  animation:dash 2.4s linear infinite;
}
@keyframes dash{ to{ stroke-dashoffset:-160; } }
.route-node{fill:var(--bg-panel); stroke:var(--text); stroke-width:1.5;}
.route-node-active{fill:var(--accent); stroke:var(--accent);}
.route-dot{
  fill:var(--accent-teal);
  offset-path: path('M20,70 C 220,10 420,130 620,70 C 780,20 900,90 1060,60');
  animation: moveDot 3.6s ease-in-out infinite;
}
@keyframes moveDot{
  0%{ offset-distance:0%; opacity:0; }
  8%{ opacity:1; }
  92%{ opacity:1; }
  100%{ offset-distance:100%; opacity:0; }
}

.stats-row{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--line); margin-top:1px;
}
.stat{background:var(--bg); padding:24px 8px 4px; text-align:left;}
.stat .num{font-family:'Space Grotesk', sans-serif; font-size:1.7rem; font-weight:700; color:var(--text);}
.stat .label{font-family:'IBM Plex Mono', monospace; font-size:0.72rem; color:var(--muted); text-transform:uppercase; letter-spacing:0.06em; margin-top:4px;}
@media (max-width:720px){ .stats-row{grid-template-columns:repeat(2,1fr);} }

/* SECTION HEADERS */
.section{position:relative; z-index:1; padding:100px 32px; max-width:1180px; margin:0 auto;}
.section-tight{padding-top:70px;}
.section-head{display:flex; align-items:baseline; justify-content:space-between; margin-bottom:56px; flex-wrap:wrap; gap:16px; border-bottom:1px solid var(--line); padding-bottom:24px;}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem);}
.section-tag{font-family:'IBM Plex Mono', monospace; font-size:0.8rem; color:var(--muted);}

/* SERVICES */
.services-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.service-card{background:var(--bg); padding:38px 34px; transition:background 0.25s;}
.service-card:hover{background:var(--bg-panel);}
.service-card.link-card{cursor:pointer;}
.service-top{display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:22px;}
.service-code{font-family:'IBM Plex Mono', monospace; font-size:0.78rem; color:var(--accent-teal); border:1px solid var(--line); padding:4px 9px;}
.service-index{font-family:'IBM Plex Mono', monospace; font-size:0.78rem; color:var(--muted);}
.service-card h3{font-size:1.35rem; margin-bottom:12px;}
.service-card p{color:var(--muted); font-size:0.96rem; max-width:420px;}
.service-more{display:inline-block; margin-top:18px; font-family:'IBM Plex Mono', monospace; font-size:0.78rem; color:var(--accent); border-bottom:1px solid transparent;}
.service-card:hover .service-more{border-bottom-color:var(--accent);}
@media (max-width:720px){ .services-grid{grid-template-columns:1fr;} }

/* SERVICE DETAIL BLOCKS (services page) */
.service-detail{
  border:1px solid var(--line); padding:44px; margin-bottom:1px; background:var(--bg-panel);
  display:grid; grid-template-columns:200px 1fr; gap:40px;
}
.service-detail-head{display:flex; flex-direction:column; gap:14px;}
.service-detail-head .service-code{width:fit-content;}
.service-detail h3{font-size:1.5rem;}
.service-detail p{color:var(--muted); margin-bottom:14px; max-width:640px;}
.service-detail ul{list-style:none; margin-top:10px;}
.service-detail li{
  font-size:0.94rem; color:var(--text); padding:10px 0; border-top:1px solid var(--line);
  display:flex; gap:12px; align-items:baseline;
}
.service-detail li::before{content:'—'; color:var(--accent-teal); font-family:'IBM Plex Mono',monospace;}
@media (max-width:720px){ .service-detail{grid-template-columns:1fr; padding:30px 26px;} }

/* ABOUT */
.about-grid{display:grid; grid-template-columns:1.2fr 0.8fr; gap:64px; align-items:start;}
.about-grid p{color:var(--muted); font-size:1.05rem; margin-bottom:18px; max-width:520px;}
.about-grid p strong{color:var(--text); font-weight:600;}
.about-panel{border:1px solid var(--line); background:var(--bg-panel); padding:30px;}
.about-panel .row{display:flex; justify-content:space-between; padding:14px 0; border-bottom:1px solid var(--line); font-family:'IBM Plex Mono', monospace; font-size:0.85rem;}
.about-panel .row:last-child{border-bottom:none;}
.about-panel .row span:first-child{color:var(--muted);}
@media (max-width:820px){ .about-grid{grid-template-columns:1fr;} }

/* VALUES / PRINCIPLES GRID (about page) */
.values-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:60px;}
.value-card{background:var(--bg); padding:32px 28px;}
.value-card .service-code{margin-bottom:18px; display:inline-block;}
.value-card h3{font-size:1.1rem; margin-bottom:10px;}
.value-card p{color:var(--muted); font-size:0.92rem;}
@media (max-width:820px){ .values-grid{grid-template-columns:1fr;} }

/* EQUIPMENT / FLEET page */
.equip-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.equip-card{background:var(--bg); padding:34px; display:flex; flex-direction:column; gap:10px;}
.equip-card .service-code{width:fit-content;}
.equip-card h3{font-size:1.2rem; margin-top:6px;}
.equip-card p{color:var(--muted); font-size:0.92rem;}
@media (max-width:720px){ .equip-grid{grid-template-columns:1fr;} }

.process-list{margin-top:60px; border-top:1px solid var(--line);}
.process-item{
  display:grid; grid-template-columns:80px 1fr; gap:30px; padding:26px 0; border-bottom:1px solid var(--line);
}
.process-item .step-num{font-family:'IBM Plex Mono',monospace; color:var(--accent-teal); font-size:0.9rem;}
.process-item h3{font-size:1.05rem; margin-bottom:6px;}
.process-item p{color:var(--muted); font-size:0.92rem; max-width:560px;}

/* CONTACT */
.contact-panel{
  border:1px solid var(--line); background:var(--bg-panel);
  padding:56px 48px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:36px;
}
.contact-panel h2{font-size:clamp(1.7rem,3.4vw,2.3rem); max-width:480px;}
.contact-links{display:flex; flex-direction:column; gap:14px; font-family:'IBM Plex Mono', monospace; font-size:0.95rem;}
.contact-links a{display:flex; align-items:center; gap:10px; transition:color 0.2s;}
.contact-links a:hover, .contact-links a:focus-visible{color:var(--accent-teal); outline:none;}
.contact-links .k{color:var(--muted); font-size:0.75rem; text-transform:uppercase; letter-spacing:0.08em;}

.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); margin-top:1px;}
.contact-block{background:var(--bg); padding:40px 36px;}
.contact-block h3{font-size:1.1rem; margin-bottom:14px;}
.contact-block p, .contact-block a{color:var(--muted); font-size:0.95rem;}
.contact-block a{display:block; margin-top:6px; color:var(--text); font-family:'IBM Plex Mono',monospace; font-size:0.9rem; transition:color 0.2s;}
.contact-block a:hover, .contact-block a:focus-visible{color:var(--accent-teal); outline:none;}
@media (max-width:720px){ .contact-grid{grid-template-columns:1fr;} }

/* form */
.form{margin-top:1px; border:1px solid var(--line); border-top:none; background:var(--bg-panel); padding:44px;}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-bottom:22px;}
.form-row.full{grid-template-columns:1fr;}
label{display:block; font-family:'IBM Plex Mono',monospace; font-size:0.75rem; color:var(--muted); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:8px;}
input, textarea, select{
  width:100%; background:var(--bg); border:1px solid var(--line); color:var(--text);
  padding:13px 14px; font-family:'IBM Plex Sans', sans-serif; font-size:0.95rem;
}
input:focus, textarea:focus, select:focus{outline:none; border-color:var(--accent-teal);}
textarea{resize:vertical; min-height:110px;}
.form-note{margin-top:20px; font-size:0.85rem; color:var(--muted);}
@media (max-width:600px){ .form-row{grid-template-columns:1fr;} .form{padding:30px 24px;} }

footer{
  position:relative; z-index:1; border-top:1px solid var(--line);
  padding:28px 32px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  max-width:1180px; margin:0 auto; font-family:'IBM Plex Mono', monospace; font-size:0.78rem; color:var(--muted);
}