/* ============================================================================
   DriveIQ — style.css
   Design system: "Premium Tech / Editorial"
   - Display: Unbounded
   - Body:    Manrope
   - Accent:  #D4FC01 (lime)
   ============================================================================ */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  --bg:           #FAFAF5;
  --bg-soft:      #F0EEE7;
  --fg:           #0A0A0A;
  --fg-soft:      #1A1A1A;
  --muted:        #6B6B6B;
  --muted-light:  #9B9B9B;
  --border:       #E8E6DF;
  --border-strong:#1F1F1F;
  --accent:       #D4FC01;
  --accent-dark:  #B8DD00;
  --card:         #FFFFFF;
  --inverse-bg:   #0A0A0A;
  --inverse-fg:   #FAFAF5;
  --success:      #10B981;
  --danger:       #EF4444;
  --whatsapp:     #25D366;

  --shadow-soft:  0 4px 12px -2px rgba(0,0,0,0.04);
  --shadow-card:  0 20px 40px -12px rgba(0,0,0,0.12);
  --radius-sm:    12px;
  --radius-md:    20px;
  --radius-lg:    24px;
  --radius-xl:    40px;
  --radius-full:  100px;

  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:  cubic-bezier(0.65, 0, 0.35, 1);
}

/* ---------- DARK MODE ---------- */
[data-theme="dark"] {
  --bg:           #0A0A0A;
  --bg-soft:      #161614;
  --fg:           #FAFAF5;
  --fg-soft:      #E8E6DF;
  --muted:        #9B9B9B;
  --muted-light:  #6B6B6B;
  --border:       #2A2A2A;
  --border-strong:#FAFAF5;
  --card:         #161614;
  --inverse-bg:   #FAFAF5;
  --inverse-fg:   #0A0A0A;
  --shadow-card:  0 20px 40px -12px rgba(0,0,0,0.6);
}

/* ---------- 2. RESET & BASE ---------- */
* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Manrope', sans-serif;
  background: var(--bg);
  color: var(--fg);
  overflow-x: hidden;
  transition: background-color 0.4s var(--ease-out), color 0.4s var(--ease-out);
}
.font-display { font-family: 'Unbounded', sans-serif; letter-spacing: -0.02em; }
.font-body    { font-family: 'Manrope', sans-serif; }
img { max-width: 100%; height: auto; display: block; }

/* ---------- DARK MODE OVERRIDES (for inline Tailwind utility classes) ---------- */
[data-theme="dark"] .bg-white                       { background: var(--card) !important; }
[data-theme="dark"] .bg-\[\#FAFAF5\]\/80            { background: rgba(10,10,10,0.8) !important; }
[data-theme="dark"] .bg-\[\#F0EEE7\]                { background: var(--bg-soft) !important; }
[data-theme="dark"] .bg-\[\#0A0A0A\]                { background: var(--inverse-bg) !important; color: var(--inverse-fg) !important; }
[data-theme="dark"] .text-white                     { color: var(--fg) !important; }
[data-theme="dark"] .text-\[\#0A0A0A\]              { color: var(--fg) !important; }
[data-theme="dark"] .text-\[\#1A1A1A\]              { color: var(--fg-soft) !important; }
[data-theme="dark"] .text-\[\#4A4A4A\]              { color: var(--muted) !important; }
[data-theme="dark"] .text-\[\#6B6B6B\]              { color: var(--muted) !important; }
[data-theme="dark"] .text-\[\#9B9B9B\]              { color: var(--muted-light) !important; }
[data-theme="dark"] .border-\[\#E8E6DF\]            { border-color: var(--border) !important; }
[data-theme="dark"] .hover\:bg-\[\#F0EEE7\]:hover   { background: var(--bg-soft) !important; }
[data-theme="dark"] .hover\:text-black:hover        { color: var(--fg) !important; }

/* ---------- 3. ATMOSPHERE / DECORATIONS ---------- */
.noise {
  position: fixed; inset: 0; pointer-events: none; opacity: 0.03; z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
[data-theme="dark"] .noise { opacity: 0.06; }

.hero-bg {
  background:
    radial-gradient(ellipse at top right, rgba(212, 252, 1, 0.15), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(0, 0, 0, 0.03), transparent 50%),
    var(--bg);
}
[data-theme="dark"] .hero-bg {
  background:
    radial-gradient(ellipse at top right, rgba(212, 252, 1, 0.10), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(255, 255, 255, 0.03), transparent 50%),
    var(--bg);
}

/* ---------- 4. KEYFRAMES ---------- */
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes fadeUp  { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes spin    { to { transform: rotate(360deg); } }
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212, 252, 1, 0.4); }
  50%      { box-shadow: 0 0 0 20px rgba(212, 252, 1, 0); }
}
@keyframes shimmer {
  0%   { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}
@keyframes scaleIn { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.marquee-track  { animation: marquee 40s linear infinite; }
.reveal         { animation: fadeUp 0.8s var(--ease-out) forwards; }
.pulse-glow     { animation: pulse-glow 2s infinite; }

/* ---------- 5. VIEW TRANSITIONS (fade-in fluido tra sezioni) ---------- */
.view {
  display: none;
  opacity: 0;
}
.view.active {
  display: block;
  animation: fadeUp 0.45s var(--ease-out) forwards;
}

/* ---------- 6. TYPOGRAPHY ---------- */
.headline {
  font-family: 'Unbounded', sans-serif;
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
}
.big-num {
  font-family: 'Unbounded', sans-serif;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
}

/* ---------- 7. BUTTONS ---------- */
.btn-primary, .btn-accent, .btn-ghost {
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: all 0.3s var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1.5px solid var(--fg);
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--fg); color: var(--bg); }
.btn-primary:hover { background: var(--accent); color: var(--fg); border-color: var(--accent); transform: translateY(-2px); }

.btn-accent  { background: var(--accent); color: var(--fg); border-color: var(--accent); font-weight: 700; }
.btn-accent:hover { background: var(--fg); color: var(--accent); border-color: var(--fg); transform: translateY(-2px); }

.btn-ghost   { background: transparent; color: var(--fg); }
.btn-ghost:hover { background: var(--fg); color: var(--bg); }

.btn-primary:disabled, .btn-accent:disabled { opacity: 0.6; cursor: wait; transform: none !important; }

/* ---------- 8. CAR CARDS ---------- */
.car-card {
  transition: all 0.4s var(--ease-out);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.car-card:hover {
  transform: translateY(-6px);
  border-color: var(--fg);
  box-shadow: var(--shadow-card);
}
.car-card:hover .car-arrow {
  background: var(--accent);
  transform: translate(4px, -4px);
}
.car-card .car-image {
  background: var(--bg-soft);
  aspect-ratio: 16/10;
  width: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.car-card:hover .car-image { transform: scale(1.04); }

/* ---------- 9. CATEGORY PILLS ---------- */
.pill {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: 13px;
  border: 1.5px solid var(--border);
  transition: all 0.3s ease;
  cursor: pointer;
  background: transparent;
  color: var(--fg);
  letter-spacing: 0.02em;
  font-family: inherit;
  white-space: nowrap;
}
.pill:hover         { border-color: var(--fg); }
.pill.active        { background: var(--fg); color: var(--bg); border-color: var(--fg); }

/* ---------- 10. INPUT FIELDS ---------- */
.input-field {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-family: 'Manrope', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--fg);
  width: 100%;
  transition: all 0.3s ease;
}
.input-field:focus { outline: none; border-color: var(--fg); background: var(--bg); }
.input-field::placeholder { color: var(--muted-light); }

/* ---------- 11. BADGES ---------- */
.badge {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: inline-block;
}
.badge-accent  { background: var(--accent); color: var(--fg); }
.badge-success { background: var(--success); color: white; }
.badge-danger  { background: var(--danger); color: white; }
.badge-muted   { background: var(--bg-soft); color: var(--muted); }

/* ---------- 12. OPTION CARDS (BASE/FLEX) ---------- */
.opt-card {
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  background: var(--card);
  color: var(--fg);
}
.opt-card:hover { border-color: var(--muted); }
.opt-card.selected {
  border-color: var(--fg);
  background: var(--fg);
  color: var(--bg);
}
.opt-card.selected .opt-price { color: var(--accent); }
.opt-card.popular::before {
  content: "PIÙ SCELTO";
  position: absolute;
  top: -12px; right: 20px;
  background: var(--accent);
  color: var(--fg);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

/* ---------- 13. SKELETON LOADER ---------- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-soft) 0px,
    rgba(255,255,255,0.6) 40px,
    var(--bg-soft) 80px
  );
  background-size: 1000px 100%;
  animation: shimmer 1.6s infinite linear;
  border-radius: var(--radius-sm);
}
[data-theme="dark"] .skeleton {
  background: linear-gradient(
    90deg,
    #1A1A1A 0px,
    #2A2A2A 40px,
    #1A1A1A 80px
  );
  background-size: 1000px 100%;
}
.skeleton-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 0;
}
.skeleton-card .sk-img    { aspect-ratio: 16/10; width: 100%; }
.skeleton-card .sk-body   { padding: 24px; }
.skeleton-card .sk-line   { height: 14px; margin-bottom: 12px; border-radius: 6px; }
.skeleton-card .sk-line.short { width: 40%; }
.skeleton-card .sk-line.med   { width: 70%; }
.skeleton-card .sk-line.long  { width: 100%; }

/* ---------- 14. CATEGORY TILES (homepage) ---------- */
.cat-tile {
  cursor: pointer;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.5s var(--ease-out);
  color: var(--fg);
}
.cat-tile:hover { background: var(--inverse-bg); color: var(--inverse-fg); transform: translateY(-4px); }
.cat-tile.dark  { background: var(--inverse-bg); color: var(--inverse-fg); }
.cat-tile.dark:hover { background: var(--accent); color: var(--fg); }
.cat-tile .cat-arrow {
  width: 32px; height: 32px;
  border-radius: 999px;
  background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
}
.cat-tile:hover .cat-arrow { background: var(--accent); }

/* ---------- 15. STICKY MOBILE FILTER ---------- */
.mobile-filter-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 14px 16px;
  z-index: 40;
  box-shadow: 0 -8px 24px -4px rgba(0,0,0,0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.mobile-filter-bar .pills-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 4px;
}
.mobile-filter-bar .pills-scroll::-webkit-scrollbar { display: none; }
@media (max-width: 768px) {
  .view#view-catalog.active ~ .mobile-filter-bar { display: block; }
  body.catalog-active { padding-bottom: 80px; }
}

/* ---------- 16. WHATSAPP FLOATING BUTTON ---------- */
.whatsapp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  box-shadow: 0 8px 24px -4px rgba(37, 211, 102, 0.4);
  transition: all 0.3s var(--ease-out);
  text-decoration: none;
}
.whatsapp-fab:hover { transform: scale(1.08) translateY(-2px); box-shadow: 0 12px 28px -4px rgba(37, 211, 102, 0.55); }
.whatsapp-fab::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--whatsapp);
  opacity: 0.3;
  animation: pulse-glow 2.5s infinite;
  z-index: -1;
}
@media (max-width: 768px) {
  .whatsapp-fab { bottom: 90px; right: 16px; width: 54px; height: 54px; } /* sopra al filter bar */
}

/* ---------- 17. THEME TOGGLE ---------- */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: transparent;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--fg);
}
.theme-toggle:hover { border-color: var(--fg); background: var(--bg-soft); }
.theme-toggle .icon-dark  { display: none; }
.theme-toggle .icon-light { display: block; }
[data-theme="dark"] .theme-toggle .icon-dark  { display: block; }
[data-theme="dark"] .theme-toggle .icon-light { display: none; }

/* ---------- 18. SOCIAL PROOF BADGE ---------- */
.social-proof {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.social-proof .live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse-glow 2s infinite;
}

/* ---------- 19. ACCORDION ---------- */
.accordion summary { list-style: none; cursor: pointer; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion[open] .accordion-icon { transform: rotate(45deg); }
.accordion-icon { transition: transform 0.3s ease; }

/* ---------- 20. TICKER ---------- */
.ticker-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  margin: 0 30px;
  vertical-align: middle;
}

/* ---------- 21. UTILITIES ---------- */
.hide-scrollbar::-webkit-scrollbar { display: none; }
.hide-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

.spinner {
  border: 3px solid rgba(0,0,0,0.1);
  border-top-color: var(--fg);
  border-radius: 50%;
  width: 40px; height: 40px;
  animation: spin 1s linear infinite;
}
.spinner-sm {
  border: 2.5px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  width: 18px; height: 18px;
  animation: spin 0.8s linear infinite;
}

/* ---------- 22. MICRO-COPY (sotto al pulsante pagamento) ---------- */
.payment-microcopy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
  text-align: center;
  line-height: 1.5;
}
.payment-microcopy svg { flex-shrink: 0; color: var(--success); }

/* ---------- 23. RESPONSIVE TWEAKS ---------- */
@media (max-width: 640px) {
  .headline { letter-spacing: -0.03em; }
  .btn-primary, .btn-accent, .btn-ghost { padding: 12px 20px; font-size: 13px; }
}