/* OSTRINE — shared styles (index, imprint, privacy) */

:root {
  --ink: #0C2A1C;          /* dark money green, primary text */
  --ink-2: rgba(12, 42, 28, 0.72);
  --ink-3: rgba(12, 42, 28, 0.48);
  --green: #146B45;        /* main brand green */
  --dollar: #85BB65;       /* dollar-bill green */
  --mint: #E4F2DA;         /* light highlight */
  --paper: #FFFFFF;
  --line: rgba(12, 42, 28, 0.12);

  --font-sans: "Inter Tight", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-serif: "Instrument Serif", Georgia, serif;

  --frame: 1200px;
  --pad: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background-color: var(--paper);
  /* "+" grid in the side gutters */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='38' height='38'%3E%3Cpath d='M19 14v10M14 19h10' stroke='%230C2A1C' stroke-opacity='.09' stroke-width='1'/%3E%3C/svg%3E");
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--dollar); color: var(--ink); }

.mono {
  font-family: var(--font-mono); font-size: 13px;
  letter-spacing: -0.01em; text-transform: uppercase;
}

/* ---- Frame ---- */
.frame {
  max-width: var(--frame); margin: 0 auto;
  background: var(--paper);
  border-left: 1px solid var(--line); border-right: 1px solid var(--line);
}

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .inner {
  max-width: var(--frame); margin: 0 auto;
  height: 64px; padding: 0 var(--pad);
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand svg { width: 24px; height: 24px; display: block; }
.brand span {
  font-family: var(--font-sans); font-weight: 500;
  font-size: 17px; letter-spacing: 0.04em;
}
.site-nav { display: flex; gap: 28px; }
.site-nav a {
  font-family: var(--font-mono); font-size: 13px; text-transform: uppercase;
  letter-spacing: -0.01em; color: var(--ink);
  display: inline-flex; align-items: center; gap: 8px;
}
.site-nav a::before {
  content: ""; width: 6px; height: 6px; background: var(--green);
  opacity: 0; transition: opacity 200ms var(--ease);
}
.site-nav a:hover::before { opacity: 1; }

/* ---- Chip label ---- */
.chip {
  display: inline-block;
  font-family: var(--font-mono); font-size: 12px; text-transform: uppercase;
  padding: 6px 9px; border: 1px solid var(--line); color: var(--ink-2);
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px var(--pad) 32px;
  display: grid; grid-template-columns: 1fr 1fr auto; gap: 32px; align-items: start;
  font-family: var(--font-mono); font-size: 12px; text-transform: uppercase;
  color: var(--ink-3); line-height: 1.7;
}
.site-footer .brand span { color: var(--ink); }
.site-footer .links { display: flex; gap: 24px; align-items: flex-start; }
.site-footer .links a { color: var(--ink-2); }
.site-footer .links a:hover { color: var(--green); }
.site-footer .copy { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid var(--line); }

@media (max-width: 720px) {
  .site-nav { gap: 18px; }
  .site-footer { grid-template-columns: 1fr; gap: 20px; }
}

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