/* ============================================================
   Nexus Mine — marketing site
   Self-contained: Onest @font-face + design tokens + components.
   Values taken verbatim from the Nexus Mine Design System tokens.
   ============================================================ */

/* ---- Onest (brand typeface) ---- */
@font-face { font-family:"Onest"; font-weight:300; font-style:normal; font-display:swap; src:url("../fonts/Onest-Light.ttf") format("truetype"); }
@font-face { font-family:"Onest"; font-weight:400; font-style:normal; font-display:swap; src:url("../fonts/Onest-Regular.ttf") format("truetype"); }
@font-face { font-family:"Onest"; font-weight:500; font-style:normal; font-display:swap; src:url("../fonts/Onest-Medium.ttf") format("truetype"); }
@font-face { font-family:"Onest"; font-weight:600; font-style:normal; font-display:swap; src:url("../fonts/Onest-SemiBold.ttf") format("truetype"); }
@font-face { font-family:"Onest"; font-weight:800; font-style:normal; font-display:swap; src:url("../fonts/Onest-ExtraBold.ttf") format("truetype"); }

:root {
  --royal-blue:#005CE2; --ice-blue:#D7E3FA; --dolphin-grey:#1E293B; --off-white:#F5F7F8;
  --blue-700:#244883; --blue-500:#0099FF; --blue-100:#EAF1FD; --blue-50:#F4F8FE;
  --slate-950:#0F172A; --slate-900:#1E293B; --slate-800:#334155; --slate-700:#475569;
  --slate-600:#64748B; --slate-500:#6D89AB; --slate-400:#94A3B8; --slate-300:#CBD5E1;
  --slate-200:#E2E8F0; --slate-100:#F1F5F9; --white:#FFFFFF;
  --success:#00B069;

  --text-primary:var(--slate-900); --text-secondary:var(--slate-600); --text-tertiary:var(--slate-500);
  --text-brand:var(--royal-blue); --text-link:var(--blue-500);
  --surface-page:var(--off-white); --surface-card:var(--white); --surface-inverse:var(--slate-900);
  --border-subtle:var(--slate-200);

  --font-sans:"Onest","Helvetica Neue",Arial,sans-serif;
  --fw-light:300; --fw-regular:400; --fw-medium:500; --fw-semibold:600; --fw-extrabold:800;
  --ls-display:-0.03em; --ls-tight:-0.015em; --ls-label:0.06em;

  --radius-md:10px; --radius-lg:14px; --radius-xl:20px; --radius-2xl:28px; --radius-pill:999px;
  --shadow-sm:0 1px 3px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.04);
  --shadow-md:0 4px 12px rgba(15,23,42,.08),0 2px 4px rgba(15,23,42,.04);
  --shadow-lg:0 12px 28px rgba(15,23,42,.10),0 4px 8px rgba(15,23,42,.05);
  --ease:cubic-bezier(0.4,0,0.2,1);
  --container:1200px;
}

*,*::before,*::after { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body {
  margin:0; font-family:var(--font-sans); font-weight:var(--fw-light);
  color:var(--text-primary); background:var(--surface-page); line-height:1.55;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img,svg { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
h1,h2,h3,h4,p { margin:0; }
::selection { background:var(--ice-blue); color:var(--slate-900); }

.container { max-width:var(--container); margin:0 auto; padding:0 24px; }
.section { padding:96px 0; }
.section--sunken { background:var(--white); }
.eyebrow {
  font-size:.75rem; font-weight:var(--fw-semibold); letter-spacing:var(--ls-label);
  text-transform:uppercase; color:var(--text-brand);
}
.section__head { max-width:720px; margin-bottom:56px; }
.section__head .eyebrow { display:block; margin-bottom:16px; }
.h2 { font-size:clamp(2rem,4vw,3rem); font-weight:var(--fw-extrabold); letter-spacing:var(--ls-tight); line-height:1.1; }
.lead { margin-top:20px; font-size:1.25rem; font-weight:var(--fw-light); color:var(--text-secondary); line-height:1.5; }

/* ---- Buttons (pill) ---- */
.btn {
  display:inline-flex; align-items:center; gap:8px; font-family:inherit; font-size:1rem;
  font-weight:var(--fw-semibold); line-height:1; padding:15px 26px; border-radius:var(--radius-pill);
  border:1px solid transparent; cursor:pointer; transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn--primary { background:var(--royal-blue); color:#fff; }
.btn--primary:hover { background:#0050C4; }
.btn--ghost { background:transparent; color:var(--text-primary); border-color:var(--slate-300); }
.btn--ghost:hover { background:var(--blue-50); border-color:var(--royal-blue); color:var(--royal-blue); }
.btn--on-dark { background:#fff; color:var(--slate-900); }
.btn--on-dark:hover { background:var(--ice-blue); }
.btn--ghost-dark { background:transparent; color:#fff; border-color:rgba(255,255,255,.28); }
.btn--ghost-dark:hover { background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.6); }

/* ---- Nav ---- */
.nav { position:sticky; top:0; z-index:50; background:rgba(245,247,248,.82); backdrop-filter:saturate(140%) blur(12px); border-bottom:1px solid var(--border-subtle); }
.nav__inner { display:flex; align-items:center; justify-content:space-between; height:68px; }
.nav__logo { height:24px; width:auto; }
.nav__links { display:flex; align-items:center; gap:32px; }
.nav__links a { font-size:.95rem; font-weight:var(--fw-medium); color:var(--text-secondary); }
.nav__links a:hover { color:var(--text-primary); }
.nav__cta { margin-left:8px; }
.nav__links a.nav__cta, .nav__links a.nav__cta:hover { color:#fff; }

/* ---- Hero (dark, data-wave background) ---- */
.hero { position:relative; background:var(--slate-950); color:#fff; overflow:hidden; }
.hero__bg { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:.82; }
.hero::after { content:""; position:absolute; inset:0; background:linear-gradient(105deg, rgba(11,15,26,.92) 0%, rgba(11,15,26,.62) 52%, rgba(11,15,26,.34) 100%); }
.hero__inner { position:relative; z-index:2; padding:132px 0 128px; max-width:900px; }
.hero__eyebrow { color:var(--blue-300,#90BDFF); }
.hero h1 { margin-top:20px; font-size:clamp(2.75rem,6vw,4.5rem); font-weight:var(--fw-extrabold); letter-spacing:var(--ls-display); line-height:1.03; }
.hero h1 .lt { font-weight:var(--fw-light); color:var(--ice-blue); }
.hero__sub { margin-top:26px; font-size:clamp(1.1rem,2vw,1.4rem); font-weight:var(--fw-light); color:var(--ice-blue); max-width:620px; line-height:1.45; }
.hero__cta { margin-top:40px; display:flex; gap:14px; flex-wrap:wrap; }

/* ---- Stat band ---- */
.stats { display:grid; grid-template-columns:repeat(4,1fr); gap:32px; }
.stat__num { font-size:clamp(2.5rem,4vw,3.5rem); font-weight:var(--fw-extrabold); letter-spacing:var(--ls-tight); color:var(--slate-900); line-height:1; }
.stat__num .u { color:var(--royal-blue); }
.stat__label { margin-top:12px; font-size:.95rem; color:var(--text-secondary); line-height:1.4; }
.stats--dark .stat__num { color:#fff; }
.stats--dark .stat__num .u { color:var(--blue-500); }
.stats--dark .stat__label { color:var(--ice-blue); }

/* ---- Cards / grids ---- */
.grid { display:grid; gap:24px; }
.grid--3 { grid-template-columns:repeat(3,1fr); }
.grid--2 { grid-template-columns:repeat(2,1fr); }
.card {
  background:var(--surface-card); border:1px solid var(--border-subtle); border-radius:var(--radius-lg);
  padding:32px; box-shadow:var(--shadow-sm); transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.card:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }
.card__mark { width:40px; height:40px; margin-bottom:20px; }
.card h3 { font-size:1.375rem; font-weight:var(--fw-semibold); letter-spacing:var(--ls-tight); }
.card p { margin-top:12px; color:var(--text-secondary); font-size:1rem; line-height:1.55; }
.badge {
  display:inline-block; font-size:.6875rem; font-weight:var(--fw-semibold); letter-spacing:var(--ls-label);
  text-transform:uppercase; color:var(--royal-blue); background:var(--blue-100);
  padding:5px 10px; border-radius:var(--radius-pill); margin-bottom:16px;
}
.badge--live { color:var(--success); background:var(--success-surface,#E4F7EE); }

/* ---- Cycle / numbered steps ---- */
.steps { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; counter-reset:step; }
.step { position:relative; padding:28px; background:var(--white); border:1px solid var(--border-subtle); border-radius:var(--radius-lg); box-shadow:var(--shadow-sm); }
.step__n { display:inline-flex; align-items:center; justify-content:center; width:38px; height:38px; border-radius:var(--radius-pill); background:var(--royal-blue); color:#fff; font-weight:var(--fw-extrabold); font-size:1rem; margin-bottom:18px; }
.step h4 { font-size:1.125rem; font-weight:var(--fw-semibold); letter-spacing:var(--ls-tight); }
.step p { margin-top:8px; color:var(--text-secondary); font-size:.95rem; line-height:1.5; }

/* ---- Split (text + media) ---- */
.split { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.split__media { border-radius:var(--radius-xl); overflow:hidden; box-shadow:var(--shadow-lg); background:var(--slate-950); aspect-ratio:4/3; }
.split__media img { width:100%; height:100%; object-fit:cover; }
.feature-list { margin-top:24px; display:grid; gap:16px; }
.feature { display:flex; gap:14px; align-items:flex-start; }
.feature__dot { flex:none; width:10px; height:10px; margin-top:8px; border-radius:var(--radius-pill); background:var(--royal-blue); }
.feature p { margin:0; color:var(--text-secondary); }
.feature strong { color:var(--text-primary); font-weight:var(--fw-semibold); }

/* ---- Section on navy ---- */
.section--dark { position:relative; background:var(--dolphin-grey); color:#fff; overflow:hidden; }
.section--dark .h2 { color:#fff; }
.section--dark .lead { color:var(--ice-blue); }
.section--dark .eyebrow { color:var(--blue-500); }
.section--dark .pattern { position:absolute; inset:0; background:url("../logos/pattern-royal.svg") center/135% no-repeat; opacity:.05; pointer-events:none; }

/* ---- CTA panel ---- */
.cta { position:relative; overflow:hidden; background:var(--royal-blue); color:#fff; border-radius:var(--radius-2xl); padding:72px; text-align:left; }
.cta__mark { position:absolute; right:-40px; bottom:-40px; width:280px; opacity:.16; pointer-events:none; }
.cta h2 { position:relative; font-size:clamp(2rem,3.5vw,2.75rem); font-weight:var(--fw-extrabold); letter-spacing:var(--ls-tight); line-height:1.1; max-width:640px; }
.cta p { position:relative; margin-top:16px; color:var(--ice-blue); font-size:1.15rem; max-width:560px; }
.cta__actions { position:relative; margin-top:32px; display:flex; gap:14px; flex-wrap:wrap; }

/* ---- Footer ---- */
.footer { background:var(--slate-950); color:var(--slate-300); padding:64px 0 40px; }
.footer__top { display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.08); }
.footer__logo { height:26px; margin-bottom:16px; }
.footer__tag { color:var(--slate-400); max-width:280px; font-size:.95rem; }
.footer__cols { display:flex; gap:64px; flex-wrap:wrap; }
.footer__col h5 { font-size:.75rem; text-transform:uppercase; letter-spacing:var(--ls-label); color:var(--slate-400); font-weight:var(--fw-semibold); margin-bottom:14px; }
.footer__col a, .footer__col p { display:block; color:var(--slate-300); font-size:.95rem; margin-bottom:10px; }
.footer__col a:hover { color:#fff; }
.footer__bottom { padding-top:24px; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; color:var(--slate-500); font-size:.85rem; }

/* ---- Responsive ---- */
@media (max-width:920px) {
  .section { padding:72px 0; }
  .stats { grid-template-columns:repeat(2,1fr); gap:28px; }
  .grid--3, .steps { grid-template-columns:1fr; }
  .grid--2 { grid-template-columns:1fr; }
  .split { grid-template-columns:1fr; gap:32px; }
  .split--reverse .split__media { order:-1; }
  .cta { padding:48px 32px; }
  .nav__links { display:none; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *{ transition:none!important; } }