/* Stilearmadio — direzione editoriale: carta, inchiostro, un accento caldo
   che codifica la "temperatura" della domanda. */

:root {
  color-scheme: light;
  --paper: #f6f3ec;
  --paper-deep: #ece7dc;
  --card: #fffdf9;
  --ink: #17150f;
  --ink-soft: #58524a;
  --ink-faint: #8d867b;
  --rule: #d9d2c4;
  --heat: #d1381f;
  --heat-soft: #f0d9d2;
  --ok: #2f6d4f;
  --shadow: 0 1px 2px rgba(23, 21, 15, .05), 0 8px 24px -12px rgba(23, 21, 15, .18);
  --display: "Archivo Black", "Helvetica Neue", Impact, sans-serif;
  --body: "Karla", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 80% -10%, #fffdf7 0%, transparent 60%),
    var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---------- masthead ---------- */

.topbar {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.1rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
  flex-wrap: wrap;
}

.topbar .brand {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: -.02em;
  text-decoration: none;
  line-height: 1;
}

.topbar nav {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.topbar nav a {
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.topbar nav a:hover { color: var(--ink); border-bottom-color: var(--heat); }

.topbar .credits {
  margin-left: auto;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.topbar .credits b { font-family: var(--display); font-size: 1.15rem; letter-spacing: -.01em; color: var(--ink); }

.topbar form { margin: 0; }

.topbar form button {
  background: none;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 0 0 2px;
  font-family: var(--body);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  cursor: pointer;
}

.topbar form button:hover { color: var(--heat); border-bottom-color: var(--heat); }

/* ---------- impaginato ---------- */

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 4vw, 2.5rem) 5rem;
}

h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.6rem, 6.4vw, 4.4rem);
  line-height: .98;
  letter-spacing: -.03em;
  text-transform: uppercase;
  margin: 0 0 .6rem;
}

h2 {
  font-family: var(--body);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 3rem 0 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--ink);
}

.lede {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 2rem;
}

.meta {
  font-size: .88rem;
  color: var(--ink-faint);
}

/* ---------- moduli ---------- */

form {
  display: flex;
  gap: .9rem;
  flex-wrap: wrap;
  align-items: flex-end;
  margin: 1.75rem 0 0;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--rule);
}

input[type="text"], input[type="email"], input[type="url"], input[type="number"], select {
  font-family: var(--body);
  font-size: 1.05rem;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--ink);
  padding: .45rem .1rem;
  min-width: 0;
  border-radius: 0;
  transition: border-color .18s ease;
}

input[type="text"] { flex: 1 1 15rem; }
input[type="email"], input[type="url"] { flex: 1 1 18rem; }
input[type="number"] { width: 7.5rem; }
select { flex: 0 1 10rem; }

input::placeholder { color: var(--ink-faint); }
input:focus, select:focus { outline: none; border-bottom-color: var(--heat); }

label {
  font-size: .88rem;
  letter-spacing: .04em;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}

button[type="submit"] {
  font-family: var(--body);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: 1.5px solid var(--ink);
  padding: .85rem 1.7rem;
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}

button[type="submit"]:hover { background: var(--heat); border-color: var(--heat); }

/* ---------- marche piu' calde ---------- */

.heat-list { display: grid; gap: .1rem; }

.heat-row {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  align-items: center;
  gap: 1.1rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--rule);
}

.heat-rank {
  font-family: var(--display);
  font-size: 1.5rem;
  letter-spacing: -.03em;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}

.heat-row:first-child .heat-rank { color: var(--heat); }

.heat-brand { min-width: 0; display: block; }

.heat-name {
  font-family: var(--display);
  font-size: 1.6rem;
  line-height: 1.08;
  letter-spacing: -.03em;
  text-transform: uppercase;
  display: block;
  /* Il nome della marca e' il dato: meglio mandarlo a capo che troncarlo. */
  overflow-wrap: anywhere;
}

.heat-bar {
  display: block;
  margin-top: .5rem;
  height: 5px;
  background: var(--heat);
  opacity: .85;
  min-width: 2px;
  animation: grow .7s cubic-bezier(.2, .8, .2, 1) both;
  transform-origin: left center;
}

.heat-score {
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

.heat-score b { font-family: var(--display); font-size: 1.3rem; letter-spacing: -.02em; color: var(--ink); }

@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- griglia annunci ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(235px, 1fr));
  gap: 2rem 1.4rem;
  margin-top: 1.25rem;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  animation: rise .5s cubic-bezier(.2, .8, .2, 1) both;
}

.card:nth-child(1) { animation-delay: .02s } .card:nth-child(2) { animation-delay: .05s }
.card:nth-child(3) { animation-delay: .08s } .card:nth-child(4) { animation-delay: .11s }
.card:nth-child(5) { animation-delay: .14s } .card:nth-child(6) { animation-delay: .17s }
.card:nth-child(7) { animation-delay: .2s }  .card:nth-child(8) { animation-delay: .23s }
.card:nth-child(n+9) { animation-delay: .26s }

@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.card-media {
  position: relative;
  display: block;
  aspect-ratio: 31 / 43;
  overflow: hidden;
  background: var(--paper-deep);
  border: 1px solid var(--rule);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s cubic-bezier(.2, .8, .2, 1);
}

.card:hover .card-media img { transform: scale(1.045); }

.card-media.is-empty::after {
  content: "nessuna foto";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.card-rank {
  position: absolute;
  top: 0;
  left: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--display);
  font-size: 1.15rem;
  line-height: 1;
  letter-spacing: -.02em;
  padding: .5rem .7rem;
  font-variant-numeric: tabular-nums;
}

.card:first-child .card-rank { background: var(--heat); }

.card-fav {
  position: absolute;
  top: .6rem;
  right: .6rem;
  background: rgba(255, 253, 249, .94);
  border: 1px solid var(--rule);
  font-size: .82rem;
  font-weight: 600;
  padding: .22rem .55rem;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}

.card-fav.is-hot { background: var(--heat); border-color: var(--heat); color: #fff; }

.card-body { padding-top: .6rem; }

.card-title {
  font-size: 1.02rem;
  line-height: 1.35;
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-title:hover { color: var(--heat); }

.card-price {
  font-family: var(--display);
  font-size: 1.45rem;
  margin-top: .4rem;
  letter-spacing: -.03em;
}

.card-total {
  font-size: .8rem;
  color: var(--ink-faint);
  margin-left: .35rem;
  letter-spacing: .01em;
}

.card-meta {
  margin-top: .4rem;
  font-size: .82rem;
  color: var(--ink-soft);
  letter-spacing: .02em;
}

.card-meta .sep { color: var(--rule); margin: 0 .3rem; }

.tag-promo {
  display: inline-block;
  margin-top: .45rem;
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border: 1px solid var(--rule);
  padding: .05rem .35rem;
}

/* ---------- scheda singola ---------- */

.detail {
  display: grid;
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
  margin-top: 1.5rem;
}

.detail-facts { display: grid; gap: .1rem; }

.fact {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .6rem 0;
  border-bottom: 1px solid var(--rule);
  font-size: .88rem;
}

.fact dt { color: var(--ink-faint); letter-spacing: .08em; text-transform: uppercase; font-size: .7rem; }
.fact dd { margin: 0; text-align: right; }

/* ---------- tabella confronto ---------- */

table { width: 100%; border-collapse: collapse; margin-top: 1.25rem; font-size: .9rem; }

th {
  text-align: right;
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 700;
  padding: 0 0 .6rem;
  border-bottom: 1px solid var(--ink);
}

th:first-child, td:first-child { text-align: left; }
td { padding: .7rem 0; border-bottom: 1px solid var(--rule); text-align: right; font-variant-numeric: tabular-nums; }
tr.is-cheapest td { color: var(--ok); font-weight: 700; }
tr.is-priciest td { color: var(--heat); font-weight: 700; }

/* ---------- avvisi ---------- */

.error, .no-credits {
  border-left: 3px solid var(--heat);
  background: var(--heat-soft);
  padding: .85rem 1rem;
  margin: 1.25rem 0;
  font-size: .92rem;
}

.no-credits { border-left-color: var(--ink); background: var(--paper-deep); }
.no-credits p { margin: 0; }

.notice {
  font-size: .85rem;
  color: var(--ink-faint);
  margin-top: .75rem;
  letter-spacing: .01em;
}

.empty { color: var(--ink-faint); font-size: 1rem; font-style: italic; grid-column: 1 / -1; }

/* ---------- login ---------- */

.login-wrap { max-width: 27rem; margin: clamp(2rem, 12vh, 7rem) auto 0; }
.login-wrap form { border-bottom: none; }
.login-wrap .sent { border-left: 3px solid var(--ok); background: #e8f0ea; padding: .9rem 1rem; }

@media (max-width: 620px) {
  .cards { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1.5rem 1rem; }
  .heat-name { font-size: 1.3rem; }
  .heat-row { grid-template-columns: 2.2rem 1fr auto; gap: .8rem; }
  .detail { grid-template-columns: 1fr; }
  .topbar { gap: .8rem 1.1rem; }
  .topbar .credits { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------- caricamento ---------- */

#loading {
  margin: 2.5rem 0 1rem;
  padding: 2.25rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.loading-inner { max-width: 34rem; }

.loading-step {
  font-family: var(--display);
  font-size: clamp(1.45rem, 3.5vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -.025em;
  margin: 0 0 1rem;
  animation: fadeStep .45s ease both;
}

@keyframes fadeStep { from { opacity: .25; } to { opacity: 1; } }

.loading-rule {
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--heat) 0 40%, var(--rule) 40% 100%);
  background-size: 250% 100%;
  animation: sweep 1.5s linear infinite;
}

@keyframes sweep {
  from { background-position: 120% 0; }
  to { background-position: -60% 0; }
}

.loading-note { font-size: .88rem; color: var(--ink-faint); margin: .8rem 0 0; }

/* ---------- letture dei dati ---------- */

.insight-headline {
  font-family: var(--display);
  font-size: clamp(1.3rem, 2.9vw, 1.75rem);
  line-height: 1.22;
  letter-spacing: -.02em;
  margin: 0 0 1.1rem;
  max-width: 52ch;
}

.insight-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .1rem; max-width: 62ch; }

.insight {
  position: relative;
  padding: .85rem 0 .85rem 1.7rem;
  border-bottom: 1px solid var(--rule);
  font-size: 1.02rem;
}

.insight::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35rem;
  width: .6rem;
  height: .6rem;
  background: var(--ink-faint);
}

.insight-deal::before { background: var(--heat); }
.insight-brand::before { background: var(--ink); }
.insight-cold::before { background: var(--rule); }

.tag-deal {
  display: inline-block;
  margin-top: .45rem;
  margin-right: .35rem;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--heat);
  border: 1px solid var(--heat);
  padding: .05rem .35rem;
}