/*
Theme Name: PartitaIVA
Theme URI: https://www.partitaiva.it
Author: PARTITAIVA.IT S.R.L.
Author URI: https://www.partitaiva.it
Description: Tema custom di partitaiva.it — il punto di orientamento per chi ha (o vuole aprire) una partita IVA. PHP + CSS vanilla + JS ES6, senza framework né page builder. Homepage a sezioni componibili, hero a stati, profilazione progressiva.
Version: 0.1.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: partitaiva
*/

/* ==========================================================================
   PartitaIVA — style.css
   Foglio unico, organizzato a sezioni. Mobile-first. Custom properties.
   Indice:
     1.  Design tokens (:root)
     2.  Font-face (Inter self-hosted, swap)
     3.  Reset & base
     4.  Tipografia
     5.  Layout & container
     6.  Utility & helper
     7.  Bottoni
     8.  Pill / eyebrow / badge
     9.  Header & navigazione
     10. Footer
     11. Accessibilità (skip-link, focus)
   Le sezioni della home e i template interni si aggiungono nelle fasi
   successive, sempre in questo file, sotto una nuova intestazione.
   ========================================================================== */

/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */
:root {
  /* --- Colori marchio --- */
  --pv-navy: #0F2A43;        /* testi principali, blocchi scuri */
  --pv-slate: #3A4B5C;       /* corpo del testo */
  --pv-slate-light: #64748B; /* testo secondario / metadati */
  --pv-white: #FFFFFF;
  --pv-bg-alt: #F5F7FA;      /* sfondo sezione alternata */
  --pv-cream: #F7F4EE;       /* card "porta chiara" / fasce calde */
  --pv-green: #10B981;       /* azioni / accento */
  --pv-green-dark: #0E9E6E;  /* hover azioni */
  --pv-green-soft: #E7F6F0;  /* sfondo pill/chip/icona */
  --pv-green-ink: #0B7A57;   /* testo verde su fondo chiaro (contrasto AA) */
  --pv-border: #E3E8EE;      /* bordi neutri */
  --pv-border-dark: #21415E; /* bordi su fondo navy */

  /* --- Colori funzionali su fondo scuro --- */
  --pv-on-navy: #FFFFFF;
  --pv-on-navy-soft: #AFC0D0;

  /* --- Categorie news (accenti tag) --- */
  --pv-tag-fisco: #2563EB;
  --pv-tag-inps: #0EA5A5;
  --pv-tag-scadenze: #D97706;
  --pv-tag-fatturazione: #7C3AED;
  --pv-tag-agevolazioni: #CA8A04;

  /* --- Tipografia --- */
  --pv-font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto,
                  "Helvetica Neue", Arial, sans-serif;

  --pv-fw-regular: 400;
  --pv-fw-semibold: 600;
  --pv-fw-bold: 800;

  /* Scala tipografica fluida (mobile → desktop) */
  --pv-fs-display: clamp(2.5rem, 1.4rem + 4.6vw, 4.5rem);   /* hero H1 */
  --pv-fs-h2: clamp(1.75rem, 1.2rem + 2.2vw, 2.5rem);
  --pv-fs-h3: clamp(1.25rem, 1rem + 1vw, 1.5rem);
  --pv-fs-h4: 1.125rem;
  --pv-fs-lg: 1.125rem;
  --pv-fs-base: 1rem;
  --pv-fs-sm: 0.9375rem;
  --pv-fs-xs: 0.8125rem;

  --pv-lh-tight: 1.1;
  --pv-lh-snug: 1.3;
  --pv-lh-base: 1.6;

  /* --- Spaziatura (scala 4px) --- */
  --pv-sp-1: 0.25rem;
  --pv-sp-2: 0.5rem;
  --pv-sp-3: 0.75rem;
  --pv-sp-4: 1rem;
  --pv-sp-5: 1.5rem;
  --pv-sp-6: 2rem;
  --pv-sp-7: 3rem;
  --pv-sp-8: 4rem;
  --pv-sp-9: 6rem;

  /* --- Raggi --- */
  --pv-radius: 12px;
  --pv-radius-sm: 8px;
  --pv-radius-lg: 20px;
  --pv-radius-pill: 999px;

  /* --- Ombre --- */
  --pv-shadow-sm: 0 1px 2px rgba(15, 42, 67, 0.06);
  --pv-shadow-md: 0 8px 24px rgba(15, 42, 67, 0.08);
  --pv-shadow-lg: 0 24px 48px rgba(15, 42, 67, 0.12);

  /* --- Layout --- */
  --pv-container: 1180px;
  --pv-container-narrow: 760px;
  --pv-gutter: 1.25rem;
  --pv-header-h: 72px;

  /* --- Transizioni --- */
  --pv-transition: 160ms ease;
}

@media (min-width: 768px) {
  :root {
    --pv-gutter: 2rem;
    --pv-header-h: 80px;
  }
}

/* ==========================================================================
   2. FONT-FACE — Inter self-hosted (woff2, font-display: swap)
   I file vanno in /assets/fonts/. Finché non ci sono, il fallback di sistema
   garantisce il rendering senza blocco (swap + stack nativo in --pv-font-sans).
   ========================================================================== */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/inter-regular.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("assets/fonts/inter-semibold.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("assets/fonts/inter-extrabold.woff2") format("woff2");
}

/* ==========================================================================
   3. RESET & BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--pv-font-sans);
  font-weight: var(--pv-fw-regular);
  font-size: var(--pv-fs-base);
  line-height: var(--pv-lh-base);
  color: var(--pv-slate);
  background: var(--pv-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
img { border-style: none; }

a { color: var(--pv-green-ink); text-decoration: none; }
a:hover { text-decoration: underline; }

button { font-family: inherit; font-size: inherit; cursor: pointer; }

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

hr {
  border: 0;
  border-top: 1px solid var(--pv-border);
  margin: var(--pv-sp-6) 0;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   4. TIPOGRAFIA
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--pv-sp-4);
  color: var(--pv-navy);
  font-weight: var(--pv-fw-bold);
  line-height: var(--pv-lh-tight);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--pv-fs-display); }
h2 { font-size: var(--pv-fs-h2); }
h3 { font-size: var(--pv-fs-h3); line-height: var(--pv-lh-snug); }
h4 { font-size: var(--pv-fs-h4); line-height: var(--pv-lh-snug); }

p { margin: 0 0 var(--pv-sp-4); }
p:last-child { margin-bottom: 0; }

strong, b { font-weight: var(--pv-fw-semibold); }

.pv-lead {
  font-size: var(--pv-fs-lg);
  color: var(--pv-slate);
  line-height: var(--pv-lh-base);
}

.pv-muted { color: var(--pv-slate-light); }
.pv-small { font-size: var(--pv-fs-sm); }

/* ==========================================================================
   5. LAYOUT & CONTAINER
   ========================================================================== */
.pv-container {
  width: 100%;
  max-width: var(--pv-container);
  margin-inline: auto;
  padding-inline: var(--pv-gutter);
}
.pv-container--narrow { max-width: var(--pv-container-narrow); }

.pv-section { padding-block: var(--pv-sp-8); }
@media (min-width: 768px) {
  .pv-section { padding-block: var(--pv-sp-9); }
}

/* Sfondi di sezione alternati */
.pv-section--alt { background: var(--pv-bg-alt); }
.pv-section--cream { background: var(--pv-cream); }
.pv-section--navy { background: var(--pv-navy); color: var(--pv-on-navy-soft); }
.pv-section--navy h1, .pv-section--navy h2,
.pv-section--navy h3, .pv-section--navy h4 { color: var(--pv-on-navy); }

/* ==========================================================================
   6. UTILITY & HELPER
   ========================================================================== */
.pv-eyebrow {
  display: inline-block;
  font-size: var(--pv-fs-xs);
  font-weight: var(--pv-fw-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pv-green-ink);
  margin-bottom: var(--pv-sp-3);
}
.pv-section--navy .pv-eyebrow { color: var(--pv-green); }

.pv-text-center { text-align: center; }
.pv-visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* Icona quadrata "chip" (sfondo verde tenue, glifo verde) */
.pv-icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--pv-radius-sm);
  background: var(--pv-green-soft);
  color: var(--pv-green-ink);
  flex-shrink: 0;
}
.pv-icon-chip svg { width: 22px; height: 22px; }

/* ==========================================================================
   7. BOTTONI
   ========================================================================== */
.pv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--pv-sp-2);
  padding: 0.75rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--pv-radius-sm);
  font-size: var(--pv-fs-base);
  font-weight: var(--pv-fw-bold);
  line-height: 1;
  text-decoration: none;
  transition: background var(--pv-transition), border-color var(--pv-transition),
              color var(--pv-transition), transform var(--pv-transition);
}
.pv-btn:hover { text-decoration: none; }
.pv-btn:active { transform: translateY(1px); }

.pv-btn--primary { background: var(--pv-green); color: #fff; }
.pv-btn--primary:hover { background: var(--pv-green-dark); color: #fff; }

.pv-btn--ghost {
  background: transparent;
  color: var(--pv-navy);
  border-color: var(--pv-border);
}
.pv-btn--ghost:hover { border-color: var(--pv-navy); }

.pv-btn--link {
  padding: 0;
  background: transparent;
  color: var(--pv-green-ink);
  font-weight: var(--pv-fw-bold);
}
.pv-btn--link:hover { text-decoration: underline; }

.pv-btn--lg { padding: 1rem 1.5rem; font-size: var(--pv-fs-lg); }
.pv-btn--block { display: flex; width: 100%; }

/* ==========================================================================
   8. PILL / EYEBROW / BADGE
   ========================================================================== */
.pv-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--pv-sp-2);
  padding: 0.375rem 0.875rem;
  border-radius: var(--pv-radius-pill);
  background: var(--pv-green-soft);
  color: var(--pv-green-ink);
  font-size: var(--pv-fs-sm);
  font-weight: var(--pv-fw-semibold);
  line-height: 1.2;
}
.pv-pill svg { width: 16px; height: 16px; flex-shrink: 0; }

.pv-badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: var(--pv-radius-pill);
  font-size: var(--pv-fs-xs);
  font-weight: var(--pv-fw-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--pv-green-soft);
  color: var(--pv-green-ink);
}

/* ==========================================================================
   9. HEADER & NAVIGAZIONE
   ========================================================================== */
.pv-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--pv-white);
  border-bottom: 1px solid var(--pv-border);
}
.pv-header__inner {
  display: flex;
  align-items: center;
  gap: var(--pv-sp-5);
  min-height: var(--pv-header-h);
}

/* Wordmark logo */
.pv-logo {
  display: inline-flex;
  align-items: baseline;
  font-weight: var(--pv-fw-bold);
  font-size: 1.375rem;
  letter-spacing: -0.03em;
  color: var(--pv-navy);
  text-decoration: none;
  flex-shrink: 0;
}
.pv-logo:hover { text-decoration: none; }
.pv-logo__dot { color: var(--pv-green); }
.pv-logo img { max-height: 32px; width: auto; }

/* Nav primaria */
.pv-nav {
  display: none;
  flex: 1;
}
.pv-nav ul {
  display: flex;
  align-items: center;
  gap: var(--pv-sp-6);
}
.pv-nav a {
  color: var(--pv-navy);
  font-weight: var(--pv-fw-semibold);
  font-size: var(--pv-fs-base);
  text-decoration: none;
  padding: 0.5rem 0;
}
.pv-nav a:hover { color: var(--pv-green-ink); text-decoration: none; }
.pv-nav .current-menu-item > a,
.pv-nav .current_page_item > a { color: var(--pv-green-ink); }

/* Area destra: account + CTA */
.pv-header__actions {
  display: flex;
  align-items: center;
  gap: var(--pv-sp-4);
  margin-left: auto;
}
.pv-account {
  display: none;
  align-items: center;
}
@media (min-width: 900px) { .pv-account { display: inline-flex; } }

.pv-account__login {
  color: var(--pv-navy);
  font-weight: var(--pv-fw-semibold);
  text-decoration: none;
}
.pv-account__login:hover { color: var(--pv-green-ink); text-decoration: none; }

.pv-header .pv-btn--primary { white-space: nowrap; }

/* Toggle menu mobile */
.pv-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  margin-left: auto;
  padding: 0;
  background: transparent;
  border: 1px solid var(--pv-border);
  border-radius: var(--pv-radius-sm);
  color: var(--pv-navy);
}
.pv-nav-toggle svg { width: 22px; height: 22px; }
.pv-nav-toggle .pv-nav-toggle__close { display: none; }
.pv-nav-toggle[aria-expanded="true"] .pv-nav-toggle__open { display: none; }
.pv-nav-toggle[aria-expanded="true"] .pv-nav-toggle__close { display: block; }

/* Pannello mobile */
.pv-mobile-nav {
  display: none;
  border-top: 1px solid var(--pv-border);
  background: var(--pv-white);
}
.pv-mobile-nav.is-open { display: block; }
.pv-mobile-nav ul { display: flex; flex-direction: column; }
.pv-mobile-nav a {
  display: block;
  padding: var(--pv-sp-4) 0;
  color: var(--pv-navy);
  font-weight: var(--pv-fw-semibold);
  border-bottom: 1px solid var(--pv-border);
  text-decoration: none;
}
.pv-mobile-nav .pv-mobile-nav__cta { padding-block: var(--pv-sp-5); border-bottom: 0; }

@media (min-width: 900px) {
  .pv-nav { display: flex; }
  .pv-nav-toggle { display: none; }
  .pv-mobile-nav { display: none !important; }
}

/* ==========================================================================
   10. FOOTER
   ========================================================================== */
.pv-footer {
  background: var(--pv-navy);
  color: var(--pv-on-navy-soft);
  padding-block: var(--pv-sp-8);
}
.pv-footer a { color: var(--pv-on-navy-soft); text-decoration: none; }
.pv-footer a:hover { color: var(--pv-on-navy); text-decoration: underline; }

.pv-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pv-sp-6);
}
@media (min-width: 640px) {
  .pv-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .pv-footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--pv-sp-7); }
}

.pv-footer__brand .pv-logo { color: var(--pv-on-navy); }
.pv-footer__tagline {
  margin-top: var(--pv-sp-4);
  max-width: 34ch;
  color: var(--pv-on-navy-soft);
  font-size: var(--pv-fs-sm);
}

.pv-footer__col-title {
  color: var(--pv-green);
  font-size: var(--pv-fs-xs);
  font-weight: var(--pv-fw-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--pv-sp-4);
}
.pv-footer__col ul { display: flex; flex-direction: column; gap: var(--pv-sp-3); }
.pv-footer__col a { font-size: var(--pv-fs-sm); }

.pv-footer__legal {
  margin-top: var(--pv-sp-7);
  padding-top: var(--pv-sp-5);
  border-top: 1px solid var(--pv-border-dark);
  font-size: var(--pv-fs-xs);
  color: var(--pv-on-navy-soft);
  line-height: var(--pv-lh-base);
}

/* ==========================================================================
   11. ACCESSIBILITÀ (skip-link, focus)
   ========================================================================== */
.pv-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  padding: var(--pv-sp-3) var(--pv-sp-5);
  background: var(--pv-navy);
  color: #fff;
  border-radius: 0 0 var(--pv-radius-sm) 0;
}
.pv-skip-link:focus {
  left: 0;
  color: #fff;
  text-decoration: none;
}

:focus-visible {
  outline: 3px solid var(--pv-green);
  outline-offset: 2px;
  border-radius: 3px;
}
/* Non mostrare l'outline sul click del mouse dove il browser lo supporta */
:focus:not(:focus-visible) { outline: none; }