/* ===========================================================================
   SCV Minerals — design system
   Light industrial-tech: warm off-white base, graphite ink, copper + navy.
   =========================================================================== */

:root{
  --bg:#FFFFFF;
  --bg-2:#F5F2EC;          /* warm panel  */
  --bg-3:#ECE7DD;
  --line:rgba(22,25,28,.12);
  --line-2:rgba(22,25,28,.24);
  --ink:#191C1F;           /* near-black text */
  --mut:#586068;           /* muted text */
  --dim:#8A8F96;           /* hints */
  --cu:#B0612C;            /* copper — buttons / fills */
  --cu-ink:#9A521F;        /* copper — text on light (AA) */
  --cu-soft:#E6A56B;       /* copper — on dark imagery */
  --nv:#234C6B;            /* navy — EMS nod */

  --maxw:1180px;
  --radius:10px;
  --radius-lg:14px;

  --sans:'Hanken Grotesk',ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --display:'Archivo','Hanken Grotesk',ui-sans-serif,system-ui,"Segoe UI",Roboto,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,"SF Mono","Cascadia Mono",Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);font-size:16px;line-height:1.65;
  color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--cu);color:#fff}
:focus-visible{outline:2px solid var(--cu);outline-offset:3px;border-radius:4px}

/* ---------- layout ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(20px,4vw,40px)}
.section{padding-block:clamp(2.75rem,1.7rem + 3vw,4.75rem);border-top:1px solid var(--line)}
.section--alt{background:var(--bg-2)}
.section-head{margin-bottom:clamp(18px,2.2vw,26px)}

/* ---------- type ---------- */
h1,h2,h3{margin:0;font-family:var(--display);font-weight:600;color:var(--ink);letter-spacing:-.015em;line-height:1.14}
h1{font-size:clamp(2.05rem,1.2rem + 3.6vw,3.4rem);font-weight:700;line-height:1.05;letter-spacing:-.025em}
h2{font-size:clamp(1.4rem,1.1rem + 1.1vw,1.95rem)}
h3{font-size:1.0625rem}
p{margin:0;color:var(--mut)}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cu-ink);margin:0}
.lead{font-size:clamp(1rem,.95rem + .35vw,1.18rem);color:var(--mut)}
.hl{color:var(--cu-ink)}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(0,0,0,.06)}
.nav{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{font-family:var(--display);font-size:1.05rem;font-weight:700;letter-spacing:.13em;color:var(--ink);white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a:not(.btn){font-size:.9rem;color:var(--mut);transition:color .15s}
.nav-menu a:not(.btn):hover{color:var(--ink)}
.nav-toggle{display:none;width:42px;height:38px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-2);border-radius:8px;color:var(--ink);
  font-size:1.1rem;cursor:pointer}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:.9rem;font-weight:500;padding:11px 18px;border-radius:8px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .12s,background .15s,border-color .15s,box-shadow .15s}
.btn--primary{background:var(--cu);color:#fff}
.btn--primary:hover{background:#9c5527;box-shadow:0 6px 18px rgba(176,97,44,.25)}
.btn--ghost{border-color:var(--line-2);color:var(--ink);background:transparent}
.btn--ghost:hover{border-color:var(--ink);background:rgba(0,0,0,.025)}
.btn:active{transform:translateY(1px)}

/* ---------- hero ---------- */
.hero{padding-block:clamp(2.75rem,1.4rem + 4.5vw,5.25rem);border-top:0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(26px,4vw,52px);align-items:center}
.hero h1{margin:18px 0}
.hero .lead{max-width:54ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-img{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:0 16px 40px rgba(0,0,0,.10);aspect-ratio:4/3}
.hero-img img{width:100%;height:100%;object-fit:cover}

/* ---------- grids ---------- */
.grid{display:grid;gap:clamp(14px,2vw,18px)}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-auto{grid-template-columns:repeat(auto-fit,minmax(168px,1fr))}

/* ---------- cards ---------- */
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(16px,2vw,22px);box-shadow:0 1px 2px rgba(0,0,0,.04);
  transition:transform .15s,box-shadow .15s,border-color .15s}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.07)}
.section--alt .card{background:#fff}
.card .num{font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:var(--cu-ink)}
.card h3{margin:8px 0 6px}
.card p{font-size:.9rem}
.card--accent{border-color:var(--cu)}
.card--dashed{background:transparent;border-style:dashed;box-shadow:none;
  display:flex;align-items:center;justify-content:center;text-align:center;
  color:var(--dim);font-size:.9rem;min-height:130px}

/* ---------- checklist ---------- */
.checklist{list-style:none;margin:14px 0 0;padding:0}
.checklist li{position:relative;padding:9px 0 9px 22px;border-top:1px solid var(--line);
  font-size:.93rem;color:var(--mut)}
.checklist li::before{content:"";position:absolute;left:0;top:15px;width:8px;height:8px;
  background:var(--cu);border-radius:2px}

/* ---------- stats / tags / chips ---------- */
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.stat .v{font-family:var(--mono);font-size:clamp(1.05rem,1rem + .4vw,1.3rem);color:var(--ink)}
.stat .l{font-size:.78rem;color:var(--mut);margin-top:4px}
.tag{display:inline-block;font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--dim);border:1px solid var(--line);border-radius:999px;padding:5px 10px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{font-size:.82rem;color:var(--ink);background:#fff;border:1px solid var(--line);
  border-radius:7px;padding:7px 11px}

/* ---------- photo band ---------- */
.band{position:relative;display:flex;align-items:center;min-height:300px;overflow:hidden;border-top:1px solid var(--line)}
.band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(18,22,25,.82),rgba(18,22,25,.32))}
.band .container{position:relative;z-index:1;padding-block:clamp(2.5rem,2rem + 3vw,4rem)}
.band .eyebrow{color:var(--cu-soft)}
.band h2{color:#fff;max-width:24ch;margin-top:10px}

/* ---------- mission ---------- */
.statement{font-size:clamp(1.3rem,1.05rem + 1.1vw,1.85rem);font-weight:400;line-height:1.4;
  color:var(--ink);max-width:46ch;margin-top:14px}
.commit{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);
  font-size:clamp(1rem,.95rem + .3vw,1.12rem);color:var(--mut);max-width:74ch}
.commit strong{color:var(--cu-ink);font-weight:500}

/* ---------- group / ems ---------- */
.ems-photo{height:150px;border-radius:8px;overflow:hidden;border:1px solid var(--line);margin-bottom:14px}
.ems-photo img{width:100%;height:100%;object-fit:cover}
.ems-name{font-size:1.05rem;letter-spacing:.05em;color:var(--nv);font-weight:500}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px}

/* ---------- contact ---------- */
.contact{text-align:center}
.contact .lead{margin:10px auto 0;max-width:60ch}
.contact .hero-actions{justify-content:center}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line)}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-block:24px;font-size:.8rem;color:var(--dim)}
.footer-inner a{color:var(--mut)}
.footer-inner a:hover{color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .nav-toggle{display:inline-flex}
  .nav-menu{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;
    align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);
    box-shadow:0 14px 26px rgba(0,0,0,.08);padding:8px 0}
  .nav-menu.open{display:flex}
  .nav-menu a:not(.btn){padding:13px clamp(20px,4vw,40px)}
  .nav-menu .btn{margin:8px clamp(20px,4vw,40px) 10px}
}
@media (max-width:820px){
  .hero-grid{grid-template-columns:1fr}
  .hero-img{order:-1}
}
@media (max-width:780px){
  .g-2,.g-3{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}

/* ---------- entrance (staggered hero reveal on load) ---------- */
@keyframes scvRise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.hero .eyebrow,.hero h1,.hero .lead,.hero-actions,.hero-img{animation:scvRise .7s cubic-bezier(.2,.7,.2,1) both}
.hero h1{animation-delay:.07s}
.hero-img{animation-delay:.12s}
.hero .lead{animation-delay:.16s}
.hero-actions{animation-delay:.26s}