/* Adabu Site Template — stile base, mobile-first, zero-JS.
   Palette e font arrivano da :root iniettato da build.js (vedi <style> nel <head>).
   Fallback definiti qui sotto se la config non li specifica. */
:root {
  --color-primary: #14110f;
  --color-secondary: #4a4a4a;
  --color-bg: #ffffff;
  --color-text: #14110f;
  --color-accent: #e2543b;
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1120px;
  --maxw-narrow: 760px;
  --space: clamp(1rem, 2vw, 1.5rem);
  --radius: 14px;

  /* Token-ponte per l'infrastruttura riusabile (editor/site/cookie/header/footer/sponsor).
     I NOMI sono quelli attesi dal codice companion; i VALORI sono alias dei token di brand
     qui sopra → il CSS dell'infra gira immutato e la palette resta configurabile per cliente. */
  --ink: var(--color-text);
  --muted: var(--color-secondary);
  --green: var(--color-accent);
  --blue: var(--color-primary);
  --sky: color-mix(in srgb, var(--color-primary) 12%, var(--color-bg));
  --line: color-mix(in srgb, var(--color-text) 12%, transparent);
  --line-strong: color-mix(in srgb, var(--color-text) 28%, transparent);
  --font-cond: var(--font-display);
  --header-h: 88px;
  --header-h-sm: 100px;
  --shadow-lg: 0 24px 60px -28px rgba(16, 42, 67, .5);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; font-weight: 700; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--space); }
.container--narrow { max-width: var(--maxw-narrow); }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--color-text); color: var(--color-bg);
  padding: .6rem 1rem; z-index: 100;
}
.skip-link:focus { left: 0; }

/* Buttons */
.btn {
  display: inline-block; padding: .85rem 1.6rem; border-radius: 999px;
  font-weight: 600; text-decoration: none; transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--color-accent); color: #fff; }

/* Header */
.site-header { border-bottom: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--color-text); }
.brand__name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; }
.nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.nav__link { text-decoration: none; color: var(--color-text); font-weight: 500; }
.nav__link:hover { color: var(--color-accent); }

/* Sections */
.section { padding-block: clamp(3rem, 7vw, 6rem); }
.section__title { font-size: clamp(1.6rem, 4vw, 2.6rem); margin: 0 0 1rem; }
.section__subtitle { color: var(--color-secondary); margin: 0 0 2rem; max-width: 60ch; }

/* Hero */
.hero { padding-block: clamp(3rem, 8vw, 7rem); }
.hero__inner { display: grid; gap: 2rem; align-items: center; }
.hero__eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; color: var(--color-accent); margin: 0 0 .5rem; }
.hero__title { font-size: clamp(2.2rem, 6vw, 4rem); margin: 0 0 1rem; }
.hero__subtitle { font-size: clamp(1rem, 2.2vw, 1.25rem); color: var(--color-secondary); margin: 0 0 1.6rem; max-width: 52ch; }
.hero__media img { border-radius: var(--radius); }

/* Feature grid */
.grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
.card { padding: 1.6rem; border-radius: var(--radius); background: color-mix(in srgb, var(--color-text) 4%, var(--color-bg)); }
.card__icon { font-size: 1.8rem; margin-bottom: .6rem; }
.card__title { margin: 0 0 .4rem; font-size: 1.2rem; }
.card__text { margin: 0; color: var(--color-secondary); }

/* Gallery */
.gallery__grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.gallery__item { margin: 0; }
.gallery__item img { border-radius: var(--radius); width: 100%; object-fit: cover; }
.gallery__item figcaption { font-size: .85rem; color: var(--color-secondary); margin-top: .4rem; }

/* CTA */
.cta { text-align: center; }
.cta__inner { background: var(--color-primary); color: #fff; border-radius: var(--radius); padding: clamp(2rem, 6vw, 4rem); }
.cta__title { color: #fff; font-size: clamp(1.6rem, 4vw, 2.4rem); margin: 0 0 .8rem; }
.cta__text { color: color-mix(in srgb, #fff 80%, transparent); margin: 0 auto 1.6rem; max-width: 50ch; }

/* Logos */
.logos__row { display: flex; flex-wrap: wrap; gap: 2rem; align-items: center; justify-content: center; }
.logos__item img { max-height: 48px; width: auto; filter: grayscale(1); opacity: .7; }

/* FAQ */
.faq__item { border-bottom: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent); padding: 1rem 0; }
.faq__item summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; }
.faq__answer { color: var(--color-secondary); padding-top: .6rem; }

/* Steps */
.steps__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.5rem; }
.steps__item { display: flex; gap: 1rem; align-items: flex-start; }
.steps__n { flex: 0 0 auto; width: 2.2rem; height: 2.2rem; border-radius: 999px; background: var(--color-accent); color: #fff; display: grid; place-items: center; font-weight: 700; }
.steps__title { margin: 0 0 .2rem; font-size: 1.15rem; }
.steps__text { margin: 0; color: var(--color-secondary); }

/* Contact */
.contact__list { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: .6rem; }
.contact__label { display: inline-block; min-width: 5rem; color: var(--color-secondary); font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; }

/* Footer */
.site-footer { margin-top: 2rem; border-top: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent); padding-block: 2.5rem; }
.site-footer__inner { display: grid; gap: 1.5rem; }
.site-footer__tagline { color: var(--color-secondary); margin: .3rem 0 0; }
.site-footer__nav, .site-footer__socials { display: flex; flex-wrap: wrap; gap: 1rem; }
.site-footer__nav a, .site-footer__socials a { color: var(--color-text); text-decoration: none; }
.site-footer__legal { margin-top: 1.5rem; color: var(--color-secondary); }

/* Responsive */
@media (min-width: 720px) {
  .hero__inner { grid-template-columns: 1.1fr .9fr; }
  .grid { grid-template-columns: repeat(3, 1fr); }
  .gallery__grid { grid-template-columns: repeat(3, 1fr); }
  .site-footer__inner { grid-template-columns: 1fr auto auto; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}

/* ===========================================================================
   Infrastruttura riusabile (companion di docs/TEMPLATE-INFRA-CODE.md §3).
   Funzione/struttura client-agnostica; lo stile usa i token-ponte definiti in :root.
   =========================================================================== */

/* Reveal allo scroll (gated su .js per non nascondere nulla senza JS) */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

/* Header desktop: logo sx · a destra nav + CTA pill + hamburger (nascosto) */
.site-header__right { display: flex; align-items: center; gap: 12px; }
.nav { display: flex; align-items: center; gap: 12px; }
.nav__link[href^="http"], .nav__link--cta {
  background: var(--green); color: #0a1f06; font-weight: 700; border-radius: 999px;
  padding: 9px 18px; box-shadow: 0 10px 26px -14px rgba(118, 196, 66, .9);
}
.nav-toggle {
  display: none; width: 48px; height: 42px; padding: 0; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  background: #fff; border: 1px solid var(--line-strong); border-radius: 10px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s, opacity .25s; }
.site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* MOBILE: hamburger a destra · voci interne in dropdown allineato a destra */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0; gap: 0;
    flex-direction: column; align-items: stretch;
    background: #fff; border-top: 1px solid var(--line);
    box-shadow: 0 14px 26px -16px rgba(16, 42, 67, .5); padding: 6px 0;
  }
  .site-header.nav-open .nav { display: flex; }
  .nav__link { font-size: 1.1rem; padding: 14px 24px; text-align: right; }
}
@media (max-width: 600px) {
  /* header compatto; logo grande con margini trasparenti ritagliati ai lati */
  :root { --header-h: 100px; --header-h-sm: 100px; }
  .brand__logo { height: 96px; width: 78px; object-fit: cover; object-position: center; }
}

/* Footer mobile: logo sx + tagline dx in riga; menu e social centrati */
@media (max-width: 600px) {
  .site-footer__brand { display: flex; align-items: center; justify-content: space-between; gap: 14px; width: 100%; }
  .site-footer__tagline { margin: 0; text-align: right; max-width: 54%; }
  .site-footer__right { align-items: center; margin-left: 0; width: 100%; }
  .site-footer__nav { justify-content: center; }
  .site-footer__follow { text-align: center; }
  .site-footer__socials { justify-content: center; }
}

/* Sponsor a "riquadri" uniformi: card a misura fissa per fascia, logo contain
   → loghi verticali e orizzontali con stesso ingombro, mai sbordanti. */
.sponsor-row { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 18px; }
.sponsor-logo {
  display: block; box-sizing: border-box; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 16px 20px; box-shadow: 0 6px 20px -16px rgba(16, 42, 67, .5);
}
.sponsor-logo img { width: 100%; height: 100%; object-fit: contain; display: block; }
.sponsor-tier--main .sponsor-logo   { width: 300px; height: 165px; }
.sponsor-tier--gold .sponsor-logo   { width: 250px; height: 145px; }
.sponsor-tier--silver .sponsor-logo { width: 230px; height: 135px; }
.sponsor-tier--bronze .sponsor-logo { width: 205px; height: 120px; }
.sponsor-tier--partner .sponsor-logo{ width: 195px; height: 115px; }

/* Cookie banner */
.cookie {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 200; max-width: 580px; margin: 0 auto;
  display: flex; align-items: center; gap: 14px 18px; flex-wrap: wrap;
  background: #fff; color: var(--ink); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 16px 18px;
}
.cookie[hidden] { display: none; }
.cookie__text { margin: 0; flex: 1; min-width: 220px; font-size: .95rem; line-height: 1.5; }
@media (max-width: 480px) { .cookie { left: 10px; right: 10px; bottom: 10px; } .cookie__ok { width: 100%; } }
