/* ============================================================
   betterPC Greece — shared stylesheet
   Common chrome (reset, design tokens, nav, footer, buttons)
   used by about.html and build.html. Page-specific styles
   (hero, cards, sections unique to a page) stay in that
   page's own <style> block.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #0d0d0d;
  --surface: #141414;
  --card:    #1a1a1a;
  --border:  #2a2a2a;
  --accent:  #F97316;
  --accent2: #FB923C;
  --text:    #F0EDE8;
  --muted:   #6B6B6B;
  --radius:  12px;
  --legacy:  #a78bfa;
  --legacy2: #7c3aed;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  min-height: 100vh;
}

/* NAV */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 64px;
  background: #1a1f29;
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(249,115,22,0.15);
}
.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
  text-decoration: none;
}
.logo span { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 1.5rem; }
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--muted);
  letter-spacing: 0.5px;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent2); }

/* LANG SELECT */
.lang-select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 6px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
}
.lang-select:focus { border-color: var(--accent); }

.back-btn {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}
.back-btn:hover { border-color: var(--accent); color: var(--accent2); }

/* FOOTER (base — pages may override spacing) */
footer {
  padding: 32px 5%;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--muted);
}