/* ==========================================================================
   kylning.se — Bas-stylesheet (delas av alla sidor)
   Sektionsspecifik färgsättning styrs av css/theme-*.css (laddas EFTER
   denna fil och skriver om --accent-* variablerna nedan).
   ========================================================================== */

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

:root {
  /* Neutral basfärger — samma på alla sidor oavsett sektion */
  --blue-dark:   #042C53;
  --blue-mid:    #0C447C;
  --blue:        #185FA5;
  --blue-light:  #378ADD;
  --blue-pale:   #B5D4F4;
  --blue-ghost:  #E6F1FB;
  --gray-dark:   #2C2C2A;
  --gray-mid:    #5F5E5A;
  --gray-light:  #888780;
  --gray-pale:   #D3D1C7;
  --gray-ghost:  #F4F3F0;
  --white:       #ffffff;
  --teal:        #1D9E75;
  --teal-pale:   #E1F5EE;
  --amber:       #E8B84B;
  --amber-pale:  #FDFBF3;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(4,44,83,0.08);
  --shadow-md: 0 4px 16px rgba(4,44,83,0.10);

  /* Header/footer är alltid mörkblå — inte temastyrd (site-wide chrome) */
  --chrome-dark: var(--blue-dark);

  /* ---- Temavariabler: default = fläktar/AC-temat.
     Skrivs om av theme-datorkylning.css / theme-inomhusklimat.css ---- */
  --accent:        var(--blue);
  --accent-dark:   var(--blue-dark);
  --accent-mid:    var(--blue-mid);
  --accent-light:  var(--blue-light);
  --accent-pale:   var(--blue-pale);
  --accent-ghost:  var(--blue-ghost);
  --accent-text:   var(--white);
  --accent-hover:  var(--blue-mid);
  --hero-gradient: linear-gradient(155deg, var(--accent-dark) 0%, var(--accent) 60%, var(--accent-light) 100%);
}

html { scroll-behavior: smooth; }

/* Metrik-matchad fallback för Inter — undviker layoutskift (CLS) när
   Inter laddar in, genom att fallback-typsnittet redan tar exakt samma
   plats (rad-höjd/teckenbredd). Värden beräknade mot Arial. */
@font-face {
  font-family: 'Inter Fallback';
  src: local('Arial');
  ascent-override: 90.20%;
  descent-override: 22.48%;
  line-gap-override: 0.00%;
  size-adjust: 107.40%;
}

body {
  font-family: 'Inter', 'Inter Fallback', sans-serif;
  background: var(--gray-ghost);
  color: var(--gray-dark);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

/* ── Navigation ─────────────────────────────────────────────────────────── */
nav {
  background: var(--white);
  border-bottom: 1px solid var(--gray-pale);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.logo svg { width: 34px; height: 34px; flex-shrink: 0; }
.logo:hover svg { animation: snurra 0.6s ease; }
@keyframes snurra { to { transform: rotate(360deg); } }
.logo-text { font-size: 19px; font-weight: 600; color: var(--blue-dark); }
.logo-text span { color: var(--blue); font-weight: 400; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
  display: block;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--gray-dark);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover { background: var(--accent-ghost); color: var(--accent); }
.nav-active { background: var(--accent-ghost) !important; color: var(--accent) !important; font-weight: 600 !important; }
.nav-cta { background: var(--accent) !important; color: var(--accent-text) !important; font-weight: 500 !important; }
.nav-cta:hover { background: var(--accent-hover) !important; }

.nav-back {
  font-size: 14px;
  color: var(--gray-mid);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.nav-back:hover { background: var(--accent-ghost); color: var(--accent); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; border: none; background: none; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--gray-dark); transition: all 0.2s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--gray-pale);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease;
}
.mobile-menu.open { display: flex; max-height: 400px; }
.mobile-menu a { padding: 14px 20px; text-decoration: none; color: var(--gray-dark); font-size: 15px; border-bottom: 1px solid var(--gray-ghost); }
.mobile-menu a:last-child { border-bottom: none; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

/* ── Hero (sektionssidor) ───────────────────────────────────────────────── */
.hero {
  background: var(--hero-gradient);
  padding: 64px 20px 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  color: var(--accent-pale);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.hero h1 { color: var(--white); font-size: clamp(28px, 5vw, 46px); font-weight: 300; line-height: 1.15; margin: 0; }
.hero h1 strong { font-weight: 600; }
.hero-sub { color: rgba(255,255,255,0.75); font-size: clamp(14px, 2vw, 17px); margin: 0; }

/* ── Knappar ────────────────────────────────────────────────────────────── */
.buy-btn {
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 500;
  font-family: 'Inter', 'Inter Fallback', sans-serif;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s;
}
.buy-btn:hover { background: var(--accent-hover); }

.btn-next {
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  font-family: 'Inter', 'Inter Fallback', sans-serif;
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn-next:hover:not(:disabled) { background: var(--accent-hover); }
.btn-next:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-back { background: none; border: none; color: var(--gray-mid); font-size: 14px; cursor: pointer; padding: 10px 16px; }
.btn-back:hover { color: var(--gray-dark); }

.btn-retry {
  background: none;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  font-family: 'Inter', 'Inter Fallback', sans-serif;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-retry:hover { background: var(--accent-ghost); }

/* ── Kort/produktrutor (generisk grund, se card-grid.css för listnings-specifikt) ── */
.card { background: var(--white); border: 1px solid var(--gray-pale); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow 0.2s, transform 0.2s; }
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card.top { border-color: var(--accent); border-width: 2px; }

.badge { position: absolute; top: 10px; left: 10px; font-size: 10px; font-weight: 600; padding: 3px 9px; border-radius: 20px; letter-spacing: 0.03em; }
.badge-best { background: var(--accent); color: var(--accent-text); }
.badge-new { background: var(--teal); color: var(--white); }
.badge-budget { background: var(--amber); color: var(--gray-dark); }
.badge-match { background: var(--accent); color: var(--accent-text); }

.tag { font-size: 11px; color: var(--accent); background: var(--accent-ghost); padding: 3px 7px; border-radius: 4px; white-space: nowrap; }
.tag-quiet { background: var(--teal-pale); color: var(--teal); }

/* ── Footer (alltid mörkblå — site-wide chrome, inte temastyrd) ──────────── */
footer { background: var(--chrome-dark); color: rgba(255,255,255,0.6); padding: 40px 20px; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; }
footer h4 { color: var(--white); font-size: 14px; font-weight: 600; margin-bottom: 14px; }
footer p, footer a { font-size: 13px; line-height: 1.8; text-decoration: none; display: block; }
footer p { color: rgba(255,255,255,0.48); }
footer a { color: rgba(255,255,255,0.85); }
footer a:hover { color: var(--white); text-decoration: underline; }
.footer-bottom { max-width: 1100px; margin: 32px auto 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 12px; }

/* ── Cookie-banner ──────────────────────────────────────────────────────── */
#cookie-banner {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 200;
  background: var(--blue-dark); color: rgba(255,255,255,0.85);
  padding: 16px 20px; align-items: center; justify-content: center;
  gap: 16px; flex-wrap: wrap; box-shadow: 0 -2px 12px rgba(0,0,0,0.15);
}
#cookie-banner p { font-size: 13px; max-width: 640px; }
.cookie-btns { display: flex; gap: 10px; }
.cookie-btns button { border: 1px solid rgba(255,255,255,0.3); background: none; color: var(--white); padding: 8px 16px; border-radius: var(--radius-sm); font-size: 13px; cursor: pointer; }
.cookie-btns button.primary { background: var(--white); color: var(--blue-dark); border-color: var(--white); font-weight: 500; }

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
}