/* ============================================================
   OnePoundSteaks — Design System
   Single source of truth for design tokens, resets, and shared
   layout components (header, footer).
   Include this first in every page's <head>.
   ============================================================ */

/* ── FONTS ── */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:ital,wght@0,300;0,400;0,600;1,300&display=swap');

/* ── DESIGN TOKENS ── */
:root {
  --bg:           #0a0a0a;
  --surface:      #111111;
  --border:       #222222;
  --accent:       #e63946;
  --accent-dim:   rgba(230, 57, 70, 0.12);
  --text:         #f0ede8;
  --muted:        #666666;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --max-width:    1200px;
  --pad-h:        60px;
}

/* ── RESET ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── BASE ── */
body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── HEADER ── */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px var(--pad-h);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-brand {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--text);
  text-decoration: none;
  line-height: 1;
}

.header-brand span {
  color: var(--accent);
}

.header-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
  display: flex;
  align-items: center;
}

.header-links a:hover {
  color: var(--text);
}

.header-links img {
  filter: invert(1) brightness(0.5);
  transition: filter 0.2s;
  display: block;
}

.header-links a:hover img {
  filter: invert(1) brightness(1);
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 24px var(--pad-h);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: var(--text);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  :root { --pad-h: 30px; }
}

@media (max-width: 600px) {
  :root { --pad-h: 20px; }
  header { padding: 14px var(--pad-h); }
  footer {
    padding: 18px var(--pad-h);
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}
