:root{
  --navy:#0f2744; --navy-2:#0a1c33; --gold:#b8862b; --gold-l:#d4a43f; --green:#0d6b3e;
  --ink:#1b2a3d; --muted:#5a6778; --bg:#fff; --alt:#f4f6f8; --line:#e2e7ec;
  --f-head:'Manrope',system-ui,sans-serif; --f-body:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--f-body);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:var(--f-head);color:var(--navy);line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(2rem,4vw,2.9rem);margin-bottom:.5em}
h3{font-size:1.4rem}
.eyebrow{font-family:var(--f-head);font-weight:700;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.eyebrow.light{color:var(--gold-l)}

/* buttons */
.btn{display:inline-block;font-family:var(--f-head);font-weight:700;font-size:.95rem;padding:14px 28px;border-radius:4px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:.2s}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:var(--gold-l);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-sm{padding:10px 20px}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:84px}
.brand img{height:72px;width:auto;margin:-6px 0}
nav{display:flex;align-items:center;gap:32px}
nav a:not(.btn){text-decoration:none;font-weight:500;font-size:.95rem;color:var(--navy);position:relative}
nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--gold);transition:.2s}
nav a:not(.btn):hover::after{width:100%}
.menu-btn{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;position:relative}
.menu-btn span{position:absolute;left:8px;right:8px;height:2px;background:var(--navy);transition:.2s}
.menu-btn span:first-child{top:15px}.menu-btn span:last-child{top:23px}

/* hero */
.hero{position:relative;color:#fff;min-height:clamp(560px,86vh,780px);display:flex;align-items:center;
  background:linear-gradient(100deg,rgba(10,28,51,.92) 0%,rgba(15,39,68,.72) 45%,rgba(15,39,68,.12) 100%),url(images/hero.jpg) center/cover}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:linear-gradient(90deg,var(--green) 0 35%,var(--gold) 35% 100%)}
.hero-in{width:100%;padding-top:60px;padding-bottom:60px}
.hero h1{color:#fff;font-size:clamp(2.3rem,5.6vw,4.2rem);font-weight:800;margin-bottom:24px}
.hero h1 span{color:var(--gold-l)}
.lead{font-size:clamp(1.05rem,1.8vw,1.25rem);max-width:560px;color:#dbe4ee;margin-bottom:36px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-tag{position:absolute;right:max(24px,calc((100vw - 1160px)/2 + 24px));top:50px;border-left:3px solid var(--gold);padding-left:14px;display:flex;flex-direction:column;font-family:var(--f-head);font-weight:600;text-transform:uppercase;letter-spacing:.14em;font-size:.82rem;line-height:1.6}

/* glance */
.glance{background:var(--navy)}
.glance-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.glance-grid div{padding:28px 24px;border-left:1px solid rgba(184,134,43,.6)}
.glance-grid div:first-child{border-left:0;padding-left:0}
.glance small{display:block;color:var(--gold-l);font-family:var(--f-head);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.72rem;margin-bottom:4px}
.glance strong{color:#fff;font-family:var(--f-head);font-size:1.1rem}

/* sections */
.section{padding:104px 0}
.section.alt{background:var(--alt)}
.section.dark{background:var(--navy);color:#cfd9e5}
.section.dark h2,.section.dark h4{color:#fff}
.head{max-width:760px;margin-bottom:56px}
.sub{font-size:1.1rem;color:var(--muted)}
.dark .sub{color:#b9c6d6}
.center{text-align:center}

/* about */
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start}
.about-grid p{color:var(--muted);margin-bottom:1em}
.about-grid .big{font-size:1.3rem;color:var(--ink);line-height:1.6}

.vm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:80px}
.vm{background:#fff;padding:36px 32px;border-top:4px solid var(--gold);box-shadow:0 2px 14px rgba(15,39,68,.06)}
.vm:nth-child(2){border-top-color:var(--green)}.vm:nth-child(3){border-top-color:var(--navy)}
.vm-n{display:block;font-family:var(--f-head);font-weight:800;font-size:1.5rem;color:var(--navy);margin-bottom:12px}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.value{padding:24px;border-left:4px solid var(--green);background:#fff}
.value h4{color:var(--green);font-size:1.1rem;margin-bottom:8px}
.value p{font-size:.95rem;color:var(--muted)}

/* sector cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(15,39,68,.13)}
.card img{aspect-ratio:4/3;width:100%;object-fit:cover}
.card-b{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card h3{color:var(--green);font-size:1.25rem}
.card p{font-size:.97rem;color:var(--muted)}
.card .focus{font-size:.88rem;font-style:italic;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.card .focus b{font-style:normal;color:var(--gold);letter-spacing:.06em;text-transform:uppercase;font-size:.74rem}

.mining{display:grid;grid-template-columns:1fr 1fr;margin-top:28px;background:var(--navy);color:#cfd9e5;border-radius:6px;overflow:hidden}
.mining img{width:100%;height:100%;object-fit:cover;min-height:340px}
.mining-b{padding:44px}
.mining h3{color:#fff;font-size:1.8rem;margin-bottom:14px}
.mining ul{list-style:none;padding:0;margin-top:20px;display:grid;gap:10px;font-size:.95rem}
.mining li{padding-left:18px;position:relative}
.mining li::before{content:"";position:absolute;left:0;top:.7em;width:7px;height:7px;background:var(--gold)}
.mining li b{color:#fff}
.connect{margin-top:28px;padding:34px 40px;background:#f7f2e8;border-left:5px solid var(--gold)}
.connect h3{margin-bottom:8px}
.connect p{font-style:italic;color:var(--ink)}

/* steps */
.steps{list-style:none;padding:0;display:grid;gap:2px}
.steps li{display:grid;grid-template-columns:100px 1fr;background:rgba(255,255,255,.05);transition:.2s}
.steps li:hover{background:rgba(255,255,255,.09)}
.steps span{display:flex;align-items:center;justify-content:center;font-family:var(--f-head);font-weight:800;font-size:2rem;color:var(--gold-l);background:var(--navy-2)}
.steps div{padding:26px 32px;display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:center}
.steps h4{font-size:1.25rem}
.note{margin-top:40px;padding:26px 30px;border:1px solid rgba(255,255,255,.18);color:#cfd9e5}
.note b{color:var(--gold-l)}

/* tabs */
.tabs{display:flex;flex-wrap:wrap;gap:8px;border-bottom:2px solid var(--line)}
.tabs button{font-family:var(--f-head);font-weight:700;font-size:.95rem;background:none;border:0;padding:14px 22px;cursor:pointer;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-2px}
.tabs button[aria-selected=true]{color:var(--green);border-color:var(--green)}
.panel{padding:36px 0;max-width:780px}
.panel h3{color:var(--green);margin-bottom:12px}
.panel p{font-size:1.1rem;color:var(--muted)}
.next{margin-top:32px;padding:34px 40px;background:var(--alt);border-left:5px solid var(--navy)}
.next h3{margin-bottom:8px}

/* contact */
.contact{background:linear-gradient(135deg,var(--navy-2),var(--navy));color:#cfd9e5}
.contact h2{color:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.details{margin-top:36px;display:grid;gap:18px;border-left:3px solid var(--gold);padding-left:24px}
.details dt{font-family:var(--f-head);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.72rem;color:var(--gold-l)}
.details dd{color:#fff;font-size:1.1rem}
.details a{text-decoration:none;border-bottom:1px solid var(--gold)}
.form{background:#fff;padding:36px;border-radius:6px;display:grid;gap:16px;color:var(--ink)}
.form label{display:grid;gap:6px;font-size:.85rem;font-weight:600;color:var(--navy)}
.form input,.form select,.form textarea{font:inherit;font-weight:400;padding:12px 14px;border:1px solid #cdd5de;border-radius:4px;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--gold);border-color:var(--gold)}
.form-note{font-size:.88rem;color:var(--green);min-height:1.2em}

.footer{background:var(--navy-2);color:#9fb0c4;padding:48px 0;text-align:center}
.footer img{height:52px;margin:0 auto 18px;background:#fff;padding:8px 14px;border-radius:4px}
.footer .small{font-size:.82rem;margin-top:8px;opacity:.75}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* responsive */
@media (max-width:980px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .values{grid-template-columns:repeat(2,1fr)}
  .vm-grid,.about-grid,.contact-grid,.mining{grid-template-columns:1fr}
  .about-grid,.contact-grid{gap:36px}
  .glance-grid{grid-template-columns:repeat(2,1fr)}
  .glance-grid div:nth-child(3){border-left:0;padding-left:0}
  .steps div{grid-template-columns:1fr;gap:6px}
  .hero-tag{display:none}
}
@media (max-width:720px){
  body{font-size:16px}
  .section{padding:72px 0}
  .menu-btn{display:block}
  nav{position:absolute;top:84px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:18px;padding:24px;border-bottom:1px solid var(--line);display:none}
  nav.open{display:flex}
  .brand img{height:58px}
  .cards,.values{grid-template-columns:1fr}
  .steps li{grid-template-columns:64px 1fr}
  .steps span{font-size:1.4rem}
  .steps div{padding:20px}
  .mining-b,.connect,.next{padding:28px 24px}
  .form{padding:24px}
  .tabs button{padding:12px 14px;font-size:.88rem}
}
.footer .small a{color:inherit;text-decoration:underline}
.photo-credit{position:absolute;right:14px;bottom:16px;font-size:.68rem;line-height:1.3;color:rgba(255,255,255,.7);text-align:right;max-width:60%}
.photo-credit a{color:inherit;text-decoration:none;border-bottom:1px dotted rgba(255,255,255,.5)}
.photo-credit a:hover{color:#fff}