/* AI Compass — stile ripreso dal brand kit di www.bitagoraorobica.it (new_site/BRAND_KIT_BITAGORA.md):
   stessi token, tema scuro per scelta, il giallo come unico accento. */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('fonts/inter-latin-wght-normal.woff2') format('woff2-variations');
}

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('fonts/space-grotesk-latin-wght-normal.woff2') format('woff2-variations');
}

:root {
  --color-yellow: #f6ab00;
  --color-yellow-soft: #ffcf66;
  --color-white: #ffffff;

  --color-bg: #121214;
  --color-bg-elevated: #1b1b1f;
  --color-bg-alt: #18181b;
  --color-bg-deep: #0a0a0b;

  --color-text: #f3f2ee;
  --color-text-muted: #9a9aa2;
  --color-border: rgba(255, 255, 255, 0.09);
  --color-border-strong: rgba(255, 255, 255, 0.18);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);
  --max-width: 1160px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 26px 64px rgba(0, 0, 0, 0.55);
  --glow-yellow: 0 0 0 1px rgba(246, 171, 0, 0.22), 0 20px 50px rgba(246, 171, 0, 0.12);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-yellow);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
  font-weight: 600;
  color: var(--color-white);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-yellow);
  margin: 0 0 0.9em;
}

.eyebrow::before {
  content: '';
  width: 0.5em;
  height: 0.5em;
  border-radius: 50%;
  background: var(--color-yellow);
  flex-shrink: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* === Header === */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(18, 18, 20, 0.7);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--color-border);
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.85rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.brand img {
  height: 40px;
  width: auto;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--color-white);
  padding-left: 0.9rem;
  border-left: 1px solid var(--color-border-strong);
}

.header-link {
  position: relative;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.92rem;
  padding-block: 0.3em;
  white-space: nowrap;
}

.header-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--color-yellow);
  transition: right 0.3s var(--ease);
}

.header-link:hover::after {
  right: 0;
}

/* === Hero === */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.5rem, 5.5vw, 4.25rem) clamp(2rem, 4vw, 3rem);
  background: var(--color-bg-deep);
  border-bottom: 1px solid var(--color-border);
}

.hero .glow {
  position: absolute;
  inset: -30% 40% auto -10%;
  height: 70%;
  background: radial-gradient(50% 100% at 30% 0%, rgba(246, 171, 0, 0.16) 0%, transparent 70%);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
}

.hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  max-width: 24ch;
}

.hero .subtitle {
  color: var(--color-text-muted);
  font-size: 1.08rem;
  max-width: 62ch;
  margin: 0;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2.75rem;
  margin: 2.25rem 0 0;
}

.stats div {
  display: flex;
  flex-direction: column-reverse;
}

.stats dt {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.stats dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.2;
}

/* === Contenuto === */

main {
  padding-block: 2.5rem 4rem;
}

/* Voci della redazione (lista manuale) */

.picks {
  margin-bottom: 2.75rem;
}

.pick {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 1.6rem;
  margin-bottom: 0.9rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(246, 171, 0, 0.28);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(246, 171, 0, 0.12) 0%, transparent 55%),
    var(--color-bg-elevated);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.pick:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--glow-yellow);
}

.pick .eyebrow {
  margin-bottom: 0.4em;
}

.pick h2 {
  font-size: 1.35rem;
  margin: 0 0 0.2em;
}

.pick h2 a {
  text-decoration: none;
}

.pick h2 a::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.pick p {
  margin: 0;
  color: var(--color-text-muted);
}

.pick-cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.7em 1.4em;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  background: var(--color-yellow);
  color: #1c1c1e;
  box-shadow: 0 8px 24px rgba(246, 171, 0, 0.28);
}

/* Barra dei filtri */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}

.no-js .toolbar,
.no-js .results {
  display: none;
}

.search {
  position: relative;
  flex: 1 1 260px;
}

.search svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.search input,
.select select {
  width: 100%;
  font: inherit;
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 0.75em 1em;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search input {
  padding-left: 2.8rem;
}

.search input::placeholder {
  color: var(--color-text-muted);
}

.search input:focus,
.select select:focus {
  outline: none;
  border-color: rgba(246, 171, 0, 0.6);
  box-shadow: 0 0 0 3px rgba(246, 171, 0, 0.15);
}

.select {
  position: relative;
  flex: 0 1 220px;
}

.select select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2.6rem;
  cursor: pointer;
}

.select::after {
  content: '';
  position: absolute;
  right: 1.1rem;
  top: 50%;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
}

.chip {
  font: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  background: transparent;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  padding: 0.45em 1.05em;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.chip:hover {
  border-color: rgba(246, 171, 0, 0.6);
}

.chip[aria-pressed='true'] {
  background: var(--color-yellow);
  border-color: var(--color-yellow);
  color: #1c1c1e;
  font-weight: 600;
}

.chip .count {
  opacity: 0.6;
  margin-left: 0.3em;
  font-variant-numeric: tabular-nums;
}

.results {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.results strong {
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.link-button {
  font: inherit;
  font-size: 0.9rem;
  color: var(--color-yellow);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Griglia delle schede */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.35rem 1.4rem 1.2rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease),
    opacity 0.6s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--glow-yellow);
  border-color: rgba(246, 171, 0, 0.3);
}

.card[hidden] {
  display: none;
}

.card-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.tag,
.flag {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 0.3em 0.75em;
  line-height: 1.2;
}

.tag {
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-strong);
}

.flag {
  color: var(--color-yellow);
  border: 1px solid rgba(246, 171, 0, 0.45);
}

.flag-hot {
  color: #1c1c1e;
  background: var(--color-yellow);
  border-color: var(--color-yellow);
}

.card h3 {
  font-size: 1.14rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 0.55rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card h3 a {
  text-decoration: none;
}

/* Tutta la scheda è cliccabile, ma il link resta solo sul titolo */
.card h3 a::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.card:hover h3 a {
  color: var(--color-yellow-soft);
}

.card p {
  margin: 0 0 1.1rem;
  font-size: 0.93rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.card-meta .source {
  color: var(--color-text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-meta .arrow {
  margin-left: auto;
  color: var(--color-yellow);
  transition: transform 0.3s var(--ease);
}

.card:hover .card-meta .arrow {
  transform: translate(2px, -2px);
}

.empty {
  text-align: center;
  padding: 3.5rem 1rem;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  color: var(--color-text-muted);
}

.empty h2 {
  font-size: 1.3rem;
}

/* Comparsa delle schede allo scorrimento */
.js .card.reveal {
  opacity: 0;
  transform: translateY(18px);
}

.js .card.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.js .card.reveal.is-visible:hover {
  transform: translateY(-6px);
}

/* === Footer === */

.site-footer {
  background: var(--color-bg-deep);
  border-top: 1px solid var(--color-border);
  padding-block: 2.5rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-footer img {
  height: 34px;
  width: auto;
  opacity: 0.9;
}

.site-footer p {
  margin: 0;
  max-width: 62ch;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--color-text);
}

.footer-links a:hover {
  color: var(--color-yellow);
}

/* === Responsive === */

@media (max-width: 640px) {
  .header-link {
    display: none;
  }

  .hero .subtitle {
    font-size: 1rem;
  }

  .select select {
    font-size: 0.9rem;
    padding-right: 2.2rem;
  }

  .select::after {
    right: 0.9rem;
  }

  .select {
    flex: 1 1 140px;
  }

  .chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    margin-inline: -1.5rem;
    padding-inline: 1.5rem;
    scrollbar-width: none;
  }

  .chip {
    flex-shrink: 0;
  }

  .pick {
    flex-direction: column;
    align-items: flex-start;
  }

  .stats {
    gap: 0.75rem 1.75rem;
  }

  .stats dd {
    font-size: 1.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .js .card.reveal {
    opacity: 1;
    transform: none;
  }

  .card,
  .pick {
    transition: none;
  }

  .card:hover,
  .js .card.reveal.is-visible:hover,
  .pick:hover {
    transform: none;
  }
}