/* ============================================================
   OFFSEE — base.css
   Sistema condiviso del sito. I page-agent NON modificano
   questo file: gli stili di pagina vanno in assets/css/<pagina>.css.
   Direzione: carta ecru + inchiostro petrolio, tipografia
   Archivo (display largo/leggero) + Space Mono (righe tecniche),
   un solo elemento firma: la "linea d'acqua".
   ============================================================ */

/* ------------------------------------------------------------
   1. DESIGN TOKENS
   ------------------------------------------------------------ */
:root {
  /* Colori — sistema brand, non default */
  --paper: rgb(246, 240, 227);     /* carta ecru: fondo del sito */
  --ink: #224A53;                  /* petrolio: inchiostro principale */
  --navy: #16324A;                 /* navy: profondità, hover scuri */
  --sand: #C4B296;                 /* sabbia/corda: superfici tenui */
  --brass: #C9A86A;                /* oro ottone: SOLO micro-accenti */
  --sky: #A9C6D6;                  /* celeste diurno: wash raro */

  /* Derivati (precalcolati, niente color-mix per robustezza) */
  --ink-muted: #5B7680;            /* testo secondario */
  --line: rgba(34, 74, 83, 0.22);  /* filetti su carta */
  --line-soft: rgba(34, 74, 83, 0.12);
  --paper-line: rgba(246, 240, 227, 0.25); /* filetti su fondi ink */
  --sand-tint: rgba(196, 178, 150, 0.18);  /* superficie card/placeholder */

  /* Tipografia */
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Space Mono", "Courier New", monospace;

  /* Scala tipografica */
  --text-xs: 0.75rem;                          /* 12 — label mono */
  --text-s: 0.875rem;                          /* 14 — nav, meta */
  --text-m: 1rem;                              /* 16 — corpo */
  --text-l: 1.25rem;                           /* 20 — lead */
  --text-xl: clamp(1.5rem, 1.1rem + 1.8vw, 2.25rem);   /* titoli sezione */
  --text-display: clamp(2.5rem, 1.4rem + 5.5vw, 5.5rem); /* hero */

  /* Spaziatura */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --section-y: clamp(3.5rem, 2rem + 6vw, 7rem); /* respiro verticale sezioni */

  /* Layout */
  --container: 80rem;                           /* 1280px contenuto */
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --header-h: 4.25rem;

  /* Motion */
  --ease: cubic-bezier(0.25, 0.6, 0.3, 1);
  --dur: 240ms;

  color-scheme: light; /* il sito è diurno: un solo tema, dichiarato */
}

/* ------------------------------------------------------------
   2. RESET MINIMO
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--text-m);
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img, svg, video { display: block; max-width: 100%; height: auto; }

h1, h2, h3, h4, p, figure, blockquote { margin: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

/* Focus visibile, coerente ovunque: l'unico posto dove l'oro parla */
:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

/* ------------------------------------------------------------
   3. TIPOGRAFIA — le due voci
   ------------------------------------------------------------ */

/* Display: Archivo largo e leggero, come il respiro del wordmark */
.display {
  font-weight: 300;
  font-stretch: 116%;
  font-size: var(--text-display);
  line-height: 1.02;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

/* Titolo di sezione */
.section-title {
  font-weight: 350;
  font-stretch: 112%;
  font-size: var(--text-xl);
  line-height: 1.1;
  letter-spacing: -0.005em;
}

/* Riga tecnica: Space Mono, tracking largo, maiuscolo.
   Per coordinate, orari, kicker, label di linea. */
.mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Prezzo: Space Mono a taglia corpo, senza maiuscolo forzato */
.price {
  font-family: var(--font-mono);
  font-size: var(--text-s);
  letter-spacing: 0.04em;
}

/* Testo secondario */
.muted { color: var(--ink-muted); }

/* Lead sotto ai titoli */
.lead {
  font-size: var(--text-l);
  font-weight: 300;
  line-height: 1.5;
  max-width: 38em;
}

/* Testina di sezione: kicker mono + titolo */
.section-head { margin-bottom: var(--space-6); }
.section-head .mono { display: block; margin-bottom: var(--space-3); color: var(--ink-muted); }

/* ------------------------------------------------------------
   4. LAYOUT
   ------------------------------------------------------------ */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }

/* Griglia prodotti: 2 / 3 / 4 colonne */
.grid-prodotti {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6) var(--space-4);
}
@media (min-width: 768px) {
  .grid-prodotti { grid-template-columns: repeat(3, 1fr); gap: var(--space-7) var(--space-5); }
}
@media (min-width: 1100px) {
  .grid-prodotti { grid-template-columns: repeat(4, 1fr); }
}

/* ------------------------------------------------------------
   5. LA LINEA D'ACQUA — elemento firma
   Filetto orizzontale a tutta larghezza che attraversa le
   sezioni, con la tacca piena della linea di carico a sinistra
   (eco della barra che sporge dal cerchio del logo A).
   Uso: <hr class="waterline"> tra una sezione e l'altra.
   ------------------------------------------------------------ */
.waterline {
  position: relative;
  border: 0;
  height: 1px;
  margin: 0;                 /* le sezioni portano il proprio respiro */
  background: var(--line);
  overflow: visible;
}
.waterline::after {
  content: "";
  position: absolute;
  left: var(--gutter);
  top: -2px;
  width: 4.5rem;
  height: 5px;
  background: var(--ink);
}
/* Variante per fondi scuri (es. subito sopra il footer) */
.waterline--paper { background: var(--paper-line); }
.waterline--paper::after { background: var(--paper); }

/* ------------------------------------------------------------
   6. ANNOUNCEMENT BAR
   ------------------------------------------------------------ */
.annbar {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
  padding: 0.55rem var(--gutter);
}
.annbar a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
}
.annbar a:hover { color: var(--brass); }

/* ------------------------------------------------------------
   7. HEADER — sticky, logo waterline, nav a due binari
   ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 240, 227, 0.94);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line-soft);
}

.header-inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { height: 1.75rem; width: auto; }
@media (min-width: 768px) { .brand img { height: 2rem; } }

/* Due binari desktop: SHOP sopra, CULTURA sotto, allineati a destra */
.nav-desktop {
  display: none;
}
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
    padding-block: 0.85rem;
  }
}
.nav-rail {
  display: flex;
  align-items: baseline;
  gap: var(--space-5);
}
.nav-rail-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.nav-rail a {
  font-size: var(--text-s);
  font-weight: 500;
  letter-spacing: 0.02em;
  padding-block: 0.1rem;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-rail a:hover { border-bottom-color: var(--brass); }
.nav-rail a[aria-current="page"] { border-bottom-color: var(--ink); }

/* Menu mobile: <details> senza JS */
.nav-mobile { position: relative; }
@media (min-width: 768px) { .nav-mobile { display: none; } }

.nav-mobile > summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: var(--space-2) 0;
  cursor: pointer;
  user-select: none;
}
.nav-mobile > summary::-webkit-details-marker { display: none; }

/* icona menu: due linee (una diventa la linea d'acqua) */
.nav-mobile > summary .burger {
  display: inline-block;
  width: 1.25rem;
  height: 0.625rem;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}
.nav-mobile[open] > summary .burger { border-top-color: transparent; }

.nav-panel {
  position: absolute;
  right: calc(-1 * var(--gutter));
  top: calc(100% + 0.6rem);
  width: 100vw;
  background: var(--paper);
  border-block: 1px solid var(--line-soft);
  padding: var(--space-5) var(--gutter) var(--space-6);
}
.nav-panel .nav-group { margin-bottom: var(--space-5); }
.nav-panel .nav-group:last-child { margin-bottom: 0; }
.nav-panel .nav-group-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-3);
}
.nav-panel a {
  display: block;
  font-size: var(--text-l);
  font-weight: 350;
  font-stretch: 112%;
  padding-block: var(--space-2);
}
.nav-panel a:hover { color: var(--navy); }

/* ------------------------------------------------------------
   8. BOTTONI
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.9rem 1.6rem;
  border: 1px solid var(--ink);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn:hover { background: var(--navy); border-color: var(--navy); }

/* Variante contorno */
.btn--ghost {
  background: transparent;
  color: var(--ink);
}
.btn--ghost:hover { background: var(--ink); color: var(--paper); }

/* Variante su fondo scuro */
.btn--paper {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.btn--paper:hover { background: var(--sand); border-color: var(--sand); }

/* Stato "Disponibile presto": non è un errore, è un'attesa */
.btn[aria-disabled="true"] {
  background: transparent;
  color: var(--ink-muted);
  border-color: var(--line);
  cursor: default;
  pointer-events: none;
}

/* ------------------------------------------------------------
   9. CARD PRODOTTO
   Una riga e una foto. Il resto è nella scheda.
   ------------------------------------------------------------ */
.card { position: relative; }

.card-media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--sand-tint);
  margin-bottom: var(--space-3);
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 480ms var(--ease);
}
.card:hover .card-media img { transform: scale(1.025); }

/* Badge tiratura/preorder: mono, angolo alto sinistro */
.card-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
}

.card-name {
  font-size: var(--text-s);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.3;
}
/* il puntale: micro-accento oro che appare all'hover */
.card:hover .card-name::after {
  content: "";
  display: inline-block;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--brass);
  margin-left: 0.45rem;
  vertical-align: 0.05em;
}

.card-price {
  font-family: var(--font-mono);
  font-size: var(--text-s);
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  margin-top: var(--space-1);
}

/* Link che copre tutta la card (il markup mette <a class="card-link">) */
.card-link::before {
  content: "";
  position: absolute;
  inset: 0;
}

/* ------------------------------------------------------------
   10. FOOTER — multi-colonna su fondo petrolio
   ------------------------------------------------------------ */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding-block: var(--space-8) var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-6); }
}

.footer-brand img { height: 1.75rem; width: auto; margin-bottom: var(--space-4); }
.footer-payoff {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand);
}
.footer-coord {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: rgba(246, 240, 227, 0.55);
  margin-top: var(--space-2);
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(246, 240, 227, 0.55);
  margin-bottom: var(--space-4);
}
.footer-col a {
  display: block;
  font-size: var(--text-s);
  padding-block: 0.3rem;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}
.footer-col a:hover { color: var(--brass); }

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--paper-line);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: rgba(246, 240, 227, 0.55);
}
.footer-bottom a { color: rgba(246, 240, 227, 0.75); }
.footer-bottom a:hover { color: var(--brass); }

/* ------------------------------------------------------------
   11. MOTION — una reveal discreta, e basta
   ------------------------------------------------------------ */
@keyframes reveal {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
.reveal { animation: reveal 700ms var(--ease) both; }
.reveal--2 { animation-delay: 120ms; }
.reveal--3 { animation-delay: 240ms; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal--2, .reveal--3 { animation: none; }
  .card-media img, .nav-rail a, .btn, .footer-col a { transition: none; }
  .card:hover .card-media img { transform: none; }
}

/* ------------------------------------------------------------
   12. UTILITY
   ------------------------------------------------------------ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -3rem;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  padding: var(--space-2) var(--space-4);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 0; }

.text-center { text-align: center; }
.brass { color: var(--brass); }
.bg-ink { background: var(--ink); color: var(--paper); }
.bg-sand { background: var(--sand-tint); }