/* =============================================================
   QuietAirNest — base.css
   Tokens · Reset · Typography · Layout utilities
   ============================================================= */

/* ===== DESIGN TOKENS ===== */
:root {
  /* Brand colours */
  --primary:       #131921;
  --primary-light: #232f3e;
  --accent:        #FF9900;
  --accent-hover:  #e68a00;
  --accent-light:  #FFF3E0;

  /* Feedback */
  --success: #4caf50;
  --good:    #2e7d32;
  --warn:    #b45309;
  --star:    #FFA41C;

  /* Text */
  --text:       #0F1111;
  --text-light: #565959;

  /* Surfaces */
  --bg:       #f5f5f5;
  --bg-white: #ffffff;
  --border:   #e0e0e0;

  /* Elevation */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);

  /* Shape */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Motion */
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);

  /* Type */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}
a   { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul  { list-style: none; }

/* ===== LAYOUT ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
}

/* ===== UTILITIES ===== */
.highlight  { color: var(--accent); }
.check      { color: var(--accent); font-weight: 900; }

.text-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: var(--transition);
}
.text-link:hover { text-decoration-color: var(--accent); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
  min-height: 44px;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--primary); }
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,153,0,0.35);
}
.btn-secondary { background: var(--primary); color: #fff; }
.btn-secondary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}