/* =====================================================================
   ENSIGN UNITED STATES DRILLING INC — ensignusd.com
   Brand system derived from Ensign Energy Services (parent) identity.
   Palette sampled from supplied logo: red #E51D28 · navy #174C8D.
   ===================================================================== */

:root{
  --red:#E51D28;          /* Ensign red — sampled from logo */
  --red-deep:#B4141D;
  --navy:#0E2A4E;         /* primary dark */
  --navy-2:#123A66;
  --brand-blue:#174C8D;   /* Ensign blue — sampled from logo */
  --steel:#5B7FA6;
  --ink:#0B1220;
  --paper:#ffffff;
  --mist:#F4F6F9;
  --mist-2:#E7ECF2;
  --line:#D8DFE8;
  --muted:#5A6675;
  --text:#182231;

  --display:"Oswald",-apple-system,"Segoe UI",Roboto,sans-serif;
  --body:"Inter",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:1200px;
  --gap:clamp(16px,4vw,40px);
  --radius:3px;
  --shadow:0 18px 48px -24px rgba(11,18,32,.45);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--body);color:var(--text);
  background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.05;margin:0;letter-spacing:.01em}
p{margin:0 0 1rem}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gap)}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--red);margin:0 0 .9rem;display:flex;align-items:center;gap:.7rem}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--red);display:inline-block}
.eyebrow.on-dark{color:#ff6b73}
.section{padding:clamp(56px,8vw,110px) 0}
.section--mist{background:var(--mist)}
.section--navy{background:var(--navy);color:#dfe7f1}
.section--navy h2,.section--navy h3{color:#fff}
.lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--muted);max-width:60ch}
.section--navy .lead{color:#b9c9dc}
.center{text-align:center;margin-inline:auto}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--display);
  text-transform:uppercase;letter-spacing:.06em;font-weight:600;font-size:.86rem;
  padding:.85rem 1.5rem;border-radius:var(--radius);border:2px solid transparent;
  cursor:pointer;transition:.25s var(--ease);white-space:nowrap}
.btn--red{background:var(--red);color:#fff}
.btn--red:hover{background:var(--red-deep);transform:translateY(-2px)}
.btn--ghost{border-color:currentColor;color:var(--navy)}
.btn--ghost:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn--ghost.on-dark{color:#fff}
.btn--ghost.on-dark:hover{background:#fff;color:var(--navy)}
.btn .arw{transition:transform .25s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}

/* ---------- top bar / header ---------- */
.topbar{background:var(--navy);color:#cdd9e8;font-size:.78rem;letter-spacing:.02em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:1rem;min-height:38px;flex-wrap:wrap}
.topbar a{color:#cdd9e8;transition:color .2s}
.topbar a:hover{color:#fff}
.topbar .branch-flag{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:#fff}
.topbar .branch-flag b{color:var(--red);background:#fff;padding:1px 6px;border-radius:2px;margin-right:8px;letter-spacing:.14em}
.topbar .tb-right{display:flex;gap:1.2rem;align-items:center}

.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 8px 30px -18px rgba(11,18,32,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:76px}
.brand{display:flex;align-items:center;gap:.75rem}
.brand img{height:46px;width:auto}
.brand .brand-txt{font-family:var(--display);line-height:1;font-weight:600}
.brand .brand-txt .l1{font-size:1.02rem;letter-spacing:.02em;color:var(--navy);text-transform:uppercase}
.brand .brand-txt .l2{font-size:.6rem;letter-spacing:.22em;color:var(--red);text-transform:uppercase;font-family:var(--mono)}

.menu{display:flex;align-items:center;gap:.2rem;list-style:none;margin:0;padding:0}
.menu>li{position:relative}
.menu>li>a{font-family:var(--display);text-transform:uppercase;font-size:.9rem;letter-spacing:.04em;
  font-weight:500;color:var(--navy);padding:1.4rem .95rem;display:inline-flex;align-items:center;gap:.35rem}
.menu>li>a:hover,.menu>li.current>a{color:var(--red)}
.menu>li>a .cv{font-size:.6rem;opacity:.6;transition:transform .2s}
.menu>li:hover>a .cv{transform:rotate(180deg)}
.submenu{position:absolute;top:100%;left:0;min-width:250px;background:#fff;border:1px solid var(--line);
  border-top:3px solid var(--red);box-shadow:var(--shadow);padding:.5rem;list-style:none;margin:0;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s var(--ease)}
.menu>li:hover .submenu,.menu>li:focus-within .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{display:block;padding:.6rem .8rem;font-size:.88rem;color:var(--text);border-radius:2px;transition:.18s}
.submenu a:hover{background:var(--mist);color:var(--red);padding-left:1.1rem}
.nav-cta{display:flex;align-items:center;gap:.8rem}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.burger span{width:26px;height:2px;background:var(--navy);transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg .slide{position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.4s var(--ease);transform:scale(1.06);animation:kb 18s linear infinite}
.hero__bg .slide.active{opacity:1}
@keyframes kb{from{transform:scale(1.02)}to{transform:scale(1.14)}}
.hero__bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,18,32,.92) 0%,rgba(14,42,78,.78) 42%,rgba(14,42,78,.18) 100%)}
.hero__inner{position:relative;z-index:2;max-width:var(--wrap);margin-inline:auto;padding:8vh var(--gap);width:100%}
.hero .tagchip{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.72rem;
  letter-spacing:.16em;text-transform:uppercase;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
  padding:.5rem .9rem;border-radius:100px;margin-bottom:1.6rem}
.hero .tagchip b{color:#fff;background:var(--red);padding:2px 7px;border-radius:2px;letter-spacing:.1em}
.hero h1{font-size:clamp(2.6rem,6.6vw,5.4rem);font-weight:700;text-transform:uppercase;letter-spacing:.005em;text-shadow:0 4px 30px rgba(0,0,0,.4)}
.hero h1 .typed-wrap{color:var(--red);display:block}
.hero .typed-cursor{color:var(--red)}
.hero p.sub{font-size:clamp(1.05rem,1.7vw,1.32rem);max-width:56ch;margin-top:1.2rem;color:#e6eefb}
.hero .hero-cta{display:flex;gap:1rem;margin-top:2.2rem;flex-wrap:wrap}
.hero__meta{position:absolute;left:0;right:0;bottom:0;z-index:2;border-top:1px solid rgba(255,255,255,.14);
  background:linear-gradient(0deg,rgba(11,18,32,.6),transparent)}
.hero__meta .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1px}
.hero__meta .m{padding:1.1rem .4rem}
.hero__meta .m .n{font-family:var(--display);font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700;color:#fff;line-height:1}
.hero__meta .m .k{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:#9fb4cf;margin-top:.3rem}
.scroll-hint{position:absolute;bottom:96px;right:var(--gap);z-index:3;font-family:var(--mono);font-size:.64rem;
  letter-spacing:.2em;text-transform:uppercase;color:#cdd9e8;writing-mode:vertical-rl;display:flex;align-items:center;gap:.7rem}
.scroll-hint::after{content:"";width:1px;height:46px;background:linear-gradient(var(--red),transparent)}

/* ---------- generic page hero ---------- */
.page-hero{position:relative;color:#fff;padding:clamp(90px,15vw,170px) 0 clamp(48px,7vw,84px);overflow:hidden}
.page-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.page-hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,18,32,.94),rgba(14,42,78,.7) 60%,rgba(14,42,78,.35))}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{font-size:clamp(2.2rem,5.4vw,4rem);text-transform:uppercase;font-weight:700}
.page-hero p{max-width:60ch;color:#dce7f5;margin-top:1rem;font-size:1.1rem}
.crumbs{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#9fb4cf;margin-bottom:1.2rem}
.crumbs a:hover{color:#fff}
.crumbs span{color:var(--red)}

/* ---------- section headers ---------- */
.sec-head{max-width:70ch;margin-bottom:clamp(28px,4vw,52px)}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,3rem);text-transform:uppercase;color:var(--navy)}
.section--navy .sec-head h2{color:#fff}
.sec-head.center{margin-inline:auto}

/* ---------- feature grid / cards ---------- */
.grid{display:grid;gap:clamp(18px,2.4vw,28px)}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.3s var(--ease);position:relative}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--mist-2)}
.card .ph{aspect-ratio:16/11;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.card:hover .ph img{transform:scale(1.07)}
.card .bd{padding:1.4rem 1.4rem 1.6rem}
.card .tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:.6rem}
.card h3{font-size:1.32rem;text-transform:uppercase;color:var(--navy);margin-bottom:.5rem}
.card p{font-size:.94rem;color:var(--muted);margin:0}
.card .more{display:inline-flex;gap:.4rem;margin-top:1rem;font-family:var(--display);text-transform:uppercase;
  font-size:.8rem;letter-spacing:.05em;color:var(--red)}

/* service split rows */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,64px);align-items:center}
.split.rev .split__media{order:2}
.split__media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split__media .rig-tag{position:absolute;left:0;bottom:0;background:var(--red);color:#fff;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;padding:.4rem .8rem}
.split ul.ticks{list-style:none;padding:0;margin:1.2rem 0 0}
.split ul.ticks li{position:relative;padding-left:1.7rem;margin-bottom:.6rem;color:var(--text)}
.split ul.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;background:var(--red);transform:rotate(45deg)}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.stats .s{background:var(--navy);color:#fff;padding:2rem 1.2rem;text-align:center}
.stats .s .n{font-family:var(--display);font-size:clamp(2rem,4vw,3.2rem);font-weight:700;line-height:1;color:#fff}
.stats .s .n .u{color:var(--red)}
.stats .s .k{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:#9fb4cf;margin-top:.6rem}

/* timeline */
.timeline{position:relative;margin-top:2rem}
.timeline::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;background:var(--mist-2)}
.tl{position:relative;padding:0 0 1.8rem 3rem}
.tl::before{content:"";position:absolute;left:4px;top:4px;width:16px;height:16px;background:var(--red);border:3px solid #fff;box-shadow:0 0 0 2px var(--red);border-radius:50%}
.tl .yr{font-family:var(--display);font-size:1.5rem;font-weight:700;color:var(--navy);line-height:1}
.tl .yr small{font-family:var(--mono);font-size:.68rem;color:var(--red);letter-spacing:.1em;margin-left:.5rem}
.tl p{color:var(--muted);margin:.35rem 0 0;max-width:60ch}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,26px)}
.person{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s var(--ease)}
.person:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.person .ph{aspect-ratio:1/1;overflow:hidden;background:var(--mist)}
.person .ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(.15);transition:.5s}
.person:hover .ph img{filter:grayscale(0)}
.person .bd{padding:1rem 1.1rem 1.3rem;border-top:3px solid var(--red)}
.person h3{font-size:1.06rem;color:var(--navy);text-transform:uppercase;margin-bottom:.15rem}
.person .role{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--red);text-transform:uppercase}
.person .bio{font-size:.86rem;color:var(--muted);margin-top:.7rem;display:none}
.person.open .bio{display:block}
.person .toggle{margin-top:.7rem;font-family:var(--display);text-transform:uppercase;font-size:.74rem;letter-spacing:.06em;color:var(--navy);background:none;border:0;cursor:pointer;padding:0}
.person .toggle:hover{color:var(--red)}

/* region filter (cookie-driven) */
.filter-bar{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin-bottom:1.8rem}
.filter-bar .lbl{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-right:.4rem}
.chip{font-family:var(--display);text-transform:uppercase;font-size:.8rem;letter-spacing:.04em;
  padding:.5rem 1rem;border:2px solid var(--line);border-radius:100px;background:#fff;color:var(--navy);cursor:pointer;transition:.2s}
.chip:hover{border-color:var(--brand-blue)}
.chip.active{background:var(--navy);border-color:var(--navy);color:#fff}
.is-hidden{display:none!important}

/* accordion */
.acc{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.acc+.acc{margin-top:.7rem}
.acc__h{width:100%;text-align:left;background:#fff;border:0;cursor:pointer;padding:1.15rem 1.3rem;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;font-family:var(--display);
  text-transform:uppercase;letter-spacing:.02em;font-size:1.02rem;color:var(--navy)}
.acc__h:hover{color:var(--red)}
.acc__h .ic{width:26px;height:26px;flex:0 0 26px;border:2px solid var(--red);border-radius:50%;position:relative;transition:.3s}
.acc__h .ic::before,.acc__h .ic::after{content:"";position:absolute;background:var(--red);left:50%;top:50%;transform:translate(-50%,-50%)}
.acc__h .ic::before{width:11px;height:2px}
.acc__h .ic::after{width:2px;height:11px;transition:.3s}
.acc.open .acc__h .ic::after{transform:translate(-50%,-50%) scaleY(0)}
.acc__b{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.acc__b .inner{padding:0 1.3rem 1.3rem;color:var(--muted)}

/* CTA band */
.cta-band{background:linear-gradient(100deg,var(--red),var(--red-deep));color:#fff;text-align:center}
.cta-band h2{font-size:clamp(1.8rem,4vw,3rem);text-transform:uppercase;color:#fff}
.cta-band p{color:#ffe3e5;max-width:52ch;margin-inline:auto}
.cta-band .btn--ghost{border-color:#fff;color:#fff}
.cta-band .btn--ghost:hover{background:#fff;color:var(--red)}

/* logo strip */
.assoc{display:flex;flex-wrap:wrap;gap:1.4rem 2.6rem;align-items:center;justify-content:center}
.assoc span{font-family:var(--mono);font-size:.8rem;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;
  border:1px solid var(--line);padding:.6rem 1rem;border-radius:100px}

/* prose */
.prose p{color:var(--muted);max-width:70ch}
.prose h3{color:var(--navy);text-transform:uppercase;margin:2rem 0 .6rem}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#aebccd;font-size:.92rem}
.site-footer .top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:clamp(24px,4vw,48px);padding:clamp(48px,7vw,80px) 0 3rem}
.site-footer h4{font-family:var(--display);text-transform:uppercase;letter-spacing:.06em;color:#fff;font-size:.95rem;margin-bottom:1.1rem}
.site-footer a{color:#aebccd;transition:color .2s}
.site-footer a:hover{color:#fff}
.site-footer .fbrand img{height:52px;margin-bottom:1rem;background:#fff;padding:8px 10px;border-radius:3px}
.site-footer .fbrand p{color:#8ea0b6;font-size:.9rem;max-width:34ch}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer ul li{margin-bottom:.55rem}
.site-footer .contact li{display:flex;gap:.6rem;align-items:flex-start;margin-bottom:.8rem}
.site-footer .contact .ic{color:var(--red);flex:0 0 18px;margin-top:2px}
.site-footer .social{display:flex;gap:.7rem;margin-top:1rem}
.site-footer .social a{width:40px;height:40px;display:grid;place-items:center;border:1px solid #2a3a4f;border-radius:3px;color:#cdd9e8;transition:.25s}
.site-footer .social a:hover{background:var(--red);border-color:var(--red);color:#fff;transform:translateY(-3px)}
.site-footer .bottom{border-top:1px solid #1c2735;padding:1.4rem 0;display:flex;justify-content:space-between;
  gap:1rem;flex-wrap:wrap;font-size:.8rem;color:#7f92a8}
.site-footer .bottom .branch{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#aebccd}
.site-footer .bottom .branch b{color:#fff;background:var(--red);padding:1px 6px;border-radius:2px;margin-right:6px}

/* cookie banner */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:120;max-width:560px;margin-inline:auto;
  background:#fff;border:1px solid var(--line);border-top:4px solid var(--red);box-shadow:var(--shadow);
  padding:1.2rem 1.3rem;border-radius:var(--radius);transform:translateY(140%);transition:.5s var(--ease)}
.cookie.show{transform:translateY(0)}
.cookie h5{font-family:var(--display);text-transform:uppercase;color:var(--navy);margin:0 0 .4rem;font-size:1rem}
.cookie p{font-size:.85rem;color:var(--muted);margin:0 0 1rem}
.cookie .row{display:flex;gap:.6rem;flex-wrap:wrap}
.cookie .btn{padding:.6rem 1.1rem;font-size:.76rem}

/* reveal on scroll — only hidden when JS confirmed, so no-JS users still see content */
.js .reveal{opacity:0;transform:translateY(26px);transition:.7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* fullpage tweaks (homepage) */
#fullpage .section{padding:0}
.fp-section-inner{width:100%;padding:clamp(40px,7vw,90px) 0;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gap)}
#fp-nav.fp-right{right:20px!important}
.fp-watermark{display:none!important}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .g-4{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:repeat(3,1fr)}
  .site-footer .top{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .burger{display:flex}
  .nav-cta .btn{display:none}
  .menu{position:fixed;inset:76px 0 0 auto;width:min(86vw,360px);background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:1rem;border-left:1px solid var(--line);transform:translateX(105%);
    transition:.35s var(--ease);overflow-y:auto;box-shadow:var(--shadow)}
  .menu.open{transform:none}
  .menu>li>a{padding:1rem .4rem;border-bottom:1px solid var(--mist-2);justify-content:space-between}
  .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-top:0;
    max-height:0;overflow:hidden;transition:max-height .3s;padding:0 0 0 .6rem}
  .menu>li.exp .submenu{max-height:400px;padding-bottom:.5rem}
  .split{grid-template-columns:1fr}
  .split.rev .split__media{order:0}
  .g-3,.g-2{grid-template-columns:1fr}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .stats,.hero__meta .wrap{grid-template-columns:repeat(2,1fr)}
  .hero__meta .wrap{gap:1px}
  .site-footer .top{grid-template-columns:1fr}
  .scroll-hint{display:none}
}
@media(max-width:520px){
  .team-grid{grid-template-columns:1fr}
  .g-4{grid-template-columns:1fr}
  .topbar .tb-right .tb-hide{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .hero__bg .slide{animation:none}
}