/* components.css, buttons, nav, cards, forms, alerts, footer */

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-weight:600;font-size:1rem;
  padding:15px 28px;border-radius:var(--r-sm);border:1px solid transparent;cursor:pointer;line-height:1;
  transition:background var(--dur-short) var(--ease-out),border-color var(--dur-short),transform var(--dur-micro);white-space:nowrap}
.btn-primary{background:var(--brass);color:#1c130a;border-color:var(--brass)}
.btn-primary:hover{background:var(--brass-deep);color:#1c130a;transform:translateY(-1px)}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-secondary:hover{border-color:var(--ink);background:rgba(21,38,61,.03)}
.btn-ghost{background:transparent;color:var(--brass-deep);padding:15px 4px}
.btn-ghost:hover{color:var(--ink)}
.btn-block{width:100%;justify-content:center}
.on-dark .btn-secondary{color:var(--on-ink);border-color:rgba(243,238,228,.32)}
.on-dark .btn-secondary:hover{border-color:var(--on-ink);background:rgba(255,255,255,.05)}

/* theme toggle, floats bottom-left so it never collides with the nav CTA */
.toggle{position:fixed;bottom:16px;left:16px;z-index:60;background:var(--bg-elev);border:1px solid var(--line-strong);
  color:var(--ink);font-family:var(--mono);font-size:.625rem;letter-spacing:.1em;text-transform:uppercase;
  padding:8px 12px;border-radius:999px;cursor:pointer;opacity:.82}
.toggle:hover{opacity:1}

/* top bar */
.topbar{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-family:var(--serif);font-weight:600;font-size:1.375rem;letter-spacing:-.01em;color:var(--ink)}
.brand .dot{color:var(--brass)}
.brand .sub{font-family:var(--mono);font-size:.625rem;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-left:4px}
.nav-actions{display:flex;align-items:center;gap:18px}
.nav{display:flex;gap:28px;align-items:center}
.nav a{color:var(--ink-soft);font-size:.9375rem;font-weight:500}
.nav a:hover{color:var(--ink)}
.nav-cta{padding:10px 18px;font-size:.875rem}
.nav-toggle{display:none;width:42px;height:38px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-strong);border-radius:var(--r-sm);cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:18px;height:2px;background:var(--ink);transition:transform var(--dur-short),background var(--dur-short)}
.nav-toggle span{position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
@media (max-width:880px){
  .nav-toggle{display:inline-flex}
  .nav{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg-elev);border-bottom:1px solid var(--line);padding:6px 0;
    transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity var(--dur-short),transform var(--dur-short),visibility var(--dur-short)}
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav a{padding:13px 32px}
}

/* cards */
.card{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-md);padding:var(--s-lg)}

/* forms */
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-thanks{padding:6px 0;text-align:center}
.form-thanks p{font-size:1.0625rem;max-width:48ch;margin-inline:auto;color:inherit}
.field{margin-bottom:var(--s-md)}
.field label{display:block;font-size:.8125rem;font-weight:600;margin-bottom:6px;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line-strong);
  border-radius:var(--r-sm);background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:.9375rem}
.field textarea{resize:vertical;min-height:88px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brass);box-shadow:0 0 0 3px var(--brass-tint)}

/* alerts */
.alert{padding:13px 16px;border-radius:var(--r-sm);font-size:.875rem;border-left:3px solid;background:var(--bg-elev)}
.alert.s{border-color:var(--success)} .alert.w{border-color:var(--warning)}
.alert.e{border-color:var(--error)} .alert.i{border-color:var(--info)}

/* footer */
.footer{padding-block:var(--s-2xl);color:var(--muted)}
.footer .wrap{display:grid;gap:var(--s-lg)}
.footer-top{display:flex;justify-content:space-between;gap:var(--s-lg);flex-wrap:wrap;align-items:start}
.footer-links{display:flex;gap:var(--s-lg);flex-wrap:wrap;font-size:.9375rem}
.footer-links a{color:var(--ink-soft)} .footer-links a:hover{color:var(--ink)}
.footer .meta{font-family:var(--mono);font-size:.6875rem;letter-spacing:.06em;text-transform:uppercase;line-height:1.8}
.footer .disclaimer{font-size:.8125rem;color:var(--muted);max-width:80ch;border-top:1px solid var(--line);padding-top:var(--s-lg)}