/* ===== Base Reset ===== */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }

/* ===== Theme ===== */
:root{
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #141414;
  --muted: #5a5a5a;
  --accent: #bfa37a;     /* warm gold */
  --accent-ink: #2a2417; /* testo su accent */
  --border: #eaeaea;
  --container: 980px;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.06);
  --space-1: clamp(10px, 2vw, 14px);
  --space-2: clamp(14px, 3vw, 20px);
  --space-3: clamp(20px, 4vw, 28px);
  --space-4: clamp(26px, 6vw, 40px);
  --space-5: clamp(36px, 8vw, 64px);
  --font-serif: "EB Garamond", Garamond, Georgia, "Times New Roman", serif;
  --coffee: #1f2f66;       
  --coffee-ink: white;     
}
@media (min-width: 1100px){
  :root{ --container: 1120px; }
}

html { scroll-behavior: smooth; }
body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-serif);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.container{ max-width: var(--container); margin-inline: auto; padding-inline: clamp(16px, 4vw, 28px); }

/* ===== Accessibility ===== */
.skip-link{
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus{
  position: fixed; left: 16px; top: 16px; width: auto; height: auto; padding: 10px 14px;
  background: var(--accent); color: var(--accent-ink);
  border-radius: 10px; box-shadow: var(--shadow);
  z-index: 10000;
}

/* ===== Header & Nav ===== */
.site-header{
  position: sticky; top: 0; z-index: 1010;
  background: var(--coffee);
  color: var(--coffee-ink);
  backdrop-filter: none;
  border-bottom: 1px solid rgba(0,0,0,.28);
}
.site-header .brand, .site-header .brand-title{ color: var(--coffee-ink); }
.header-inner{
  display: flex; align-items: center; gap: var(--space-2);
  min-height: 68px; padding-block: 6px;
}
.brand{ text-decoration: none; color: inherit; display: grid; }
.brand-title{
  font-weight: 700; letter-spacing: .3px; line-height: 1.1;
  font-size: clamp(18px, 4vw, 22px);
}
.brand-sub{
  font-size: clamp(14px, 3.2vw, 18px); margin-top: 2px;
}

/* ===== Nav links ===== */
.main-nav ul{
  display: flex; gap: clamp(6px, 2.6vw, 18px);
  list-style: none; margin: 0; padding: 0;
}
.main-nav a{
  display: inline-block; padding: 12px 8px;
  text-decoration: none; color: var(--text);
  border-bottom: 2px solid transparent;
  border-radius: 8px;
  min-height: 44px;
}

/* Desktop: mostra hover solo con mouse/puntatore fine */
@media (hover: hover) and (pointer: fine) {
  .main-nav a:hover {
    border-color: var(--accent);
  }
}

/* Focus accessibile: solo quando arriva dalla tastiera */
.main-nav a:focus { outline: none; }            /* niente alone generico */
.main-nav a:focus-visible {
  border-color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}

/* Mobile tap: niente effetti transitori */
.main-nav a:active {
  background-color: transparent;
  border-color: transparent;    /* <-- aggiungi questa riga */
  text-decoration: none;        /* <-- e questa */
}


/* ===== Mobile nav (CSS-only) ===== */
.nav-toggle{ display: none; }

/* Mobile-first: hamburger visibile, menu nascosto */
.nav-toggle-label{
  margin-left: auto;
  width: 48px; height: 40px;
  display: grid; place-content: center;
  border-radius: 10px;
  background: rgba(255,255,255,.98);
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 6px 16px rgba(0,0,0,.12);
  position: relative;
  z-index: 1020;

  /* ICONA (stato chiuso): hamburger */
  background-image: url('assets/icons/hamburger.svg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: 24px 24px;
}

/* niente barre/pseudo-elementi: evitiamo doppie icone */
.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after{ display: none !important; }

/* Niente overlay azzurro su tap mobile */
.main-nav a,
.nav-toggle-label {
  -webkit-tap-highlight-color: transparent;    /* iOS / Android Chrome */
}

/* Evita bg di default durante il tap */
.main-nav a:active {
  background-color: transparent;
}


.main-nav{
  display: none; /* nascosto di default */
  position: fixed;
  background: rgba(255,255,255,.98);
  transform: translateY(-120%); transition: transform .28s ease;
  z-index: 1000;
  backdrop-filter: blur(6px);
  inset: 0;                  /* copre tutto lo schermo */
  height: 100dvh;            /* altezza piena, inclusi browser mobili */
  overflow-y: auto;          /* scroll se le voci superano l'altezza */
  padding-top: max(68px, var(--safe-top)); /* evita che le voci finiscano sotto l'header */
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.main-nav ul{ flex-direction: column; padding: 10px 20px 18px; gap: 0; }
/* separatore tra le voci: 75% di larghezza, centrato */
.main-nav li + li::before{
  content: "";
  display: block;
  width: 75%;
  height: 1px;
  background: var(--border);
  margin: 8px auto; /* centra la linea */
}
.main-nav a{ display: block; width: 100%; padding: 14px 6px; font-size: 16px; text-align: center;}

/* Apertura menu */
.nav-toggle:checked ~ .main-nav{
  display: block;
  transform: translateY(0);
}
/* Bottone in stato aperto: sfondo scuro + X bianca */
.nav-toggle:checked ~ .nav-toggle-label{
  background: #111;
  border-color: transparent;
  box-shadow: 0 8px 22px rgba(0,0,0,.35);
  background-image: url('assets/icons/close.svg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: 24px 24px;
}

/* Desktop: menu classico, hamburger nascosto */
@media (min-width: 861px){
  .nav-toggle-label{ display: none; }
  .main-nav ul{
    flex-direction: row;
    padding: 0;
    gap: clamp(6px, 2.6vw, 18px);
  }  
  .main-nav{
    display: block;
    position: static;
    transform: none;

    /* 🔧 reset delle proprietà “overlay” del mobile */
    inset: auto;
    height: auto;
    overflow: visible;
    padding-top: 0;
    background: transparent;
    z-index: auto;

    box-shadow: none;
    backdrop-filter: none;
  }
  .main-nav li + li::before{ content: none; }
  .site-header .main-nav a{ color: var(--coffee-ink); }
}

/* ===== Hero (immagine + overlay + fallback) ===== */
.hero{
  min-height: 68vh;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(0,0,0,.39), rgba(0,0,0,.39)),
    image-set(
      url('assets/tree.avif') type('image/avif') 1x,
      url('assets/tree.jpg')  type('image/jpeg') 1x
    ),
    radial-gradient(1000px 400px at 10% 10%, rgba(191,163,122,.25), transparent 60%),
    radial-gradient(800px 300px at 90% 20%, rgba(0,0,0,.06), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f7f5f2 100%);
  background-position: center, center, center, center, center;
  background-size: auto, cover, auto, auto, auto;
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, no-repeat;
}
.hero .container{ height: auto; }
.hero-overlay{
  width: 100%;
  min-height: inherit;     /* usa la min-height di .hero (68vh) */
  display: grid;
  place-items: center;     /* centrato orizzontale + verticale */
}
.hero-inner{ padding: var(--space-5) 0 var(--space-4); }
.hero h1{
  font-weight: 700; font-size: clamp(34px, 8vw, 64px);
  margin: 0 0 6px 0;
  text-shadow: 0 2px 6px rgba(0,0,0,.65);
}
.hero-sub{
  font-size: clamp(20px, 4vw, 30px);
  color: #f2f2f2; margin: 0;
  text-shadow: 0 2px 6px rgba(0,0,0,.65);
}

/* ===== Page Hero ===== */
.page-hero{
  background: linear-gradient(180deg, #faf9f7 0%, #fff 100%);
  border-bottom: 1px solid var(--border);
}
.page-hero .container{ padding-block: var(--space-4); }
.page-hero h1{
  font-weight: 600; letter-spacing: .2px; margin: 0;
  font-size: clamp(26px, 6vw, 40px);
}

/* ===== Content ===== */
.content{ padding-block: var(--space-4); }
.content h2{
  font-weight: 600; margin-top: 0;
  font-size: clamp(22px, 5vw, 30px);
}
.lead{ font-size: clamp(16px, 4.4vw, 18px); color: var(--muted); }

.grid{
  display: grid; grid-template-columns: 1fr;
  gap: var(--space-3);
}
@media (min-width: 760px){
  .grid.cols-2{ grid-template-columns: 1fr 1fr; }
  .grid.cols-3{ grid-template-columns: repeat(3, 1fr); }
}

.card{
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: var(--space-3);
  box-shadow: var(--shadow);
}

/* ===== Buttons ===== */
.btn{
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px; padding: 12px 16px; min-height: 44px;
  border-radius: 999px; border: 1px solid transparent;
  background: #1480ba; color: white;
  text-decoration: none; font-weight: 600;
  box-shadow: 0 6px 16px rgba(191,163,122,.28);
  cursor: pointer;
}
.btn:focus{ outline: 3px solid rgba(191,163,122,.45); outline-offset: 2px; }
.btn.ghost{ background: transparent; color: var(--text); border-color: var(--border); box-shadow: none; }

/* ===== Forms ===== */
.form{ display: grid; gap: var(--space-2); max-width: 720px; }
.label{ font-weight: 600; font-size: 14px; }
.input, .textarea, .select{
  width: 100%; padding: 14px 14px; border-radius: 12px;
  border: 1px solid var(--border); background: #fff;
  min-height: 44px;
}
.textarea{ min-height: 140px; resize: vertical; line-height: 1.5; }
.helper{ font-size: 13px; color: var(--muted); }

.alert{
  display: none; padding: 14px 16px; border-radius: 12px;
  border: 1px solid #dfe9df; background: #eef8ee; color: #205522; font-weight: 600;
}
.alert.show{ display: block; animation: fade .3s ease; }
@keyframes fade{ from{ opacity:.5; transform: translateY(-4px);} to{ opacity:1; transform:none;} }

/* ===== Footer ===== */
.site-footer{
  background: var(--coffee) !important;
  color: var(--coffee-ink);
  border-top: 1px solid rgba(255,255,255,.14);
}
.site-footer .container{ padding-block: clamp(10px, 1.2vw, 14px); }
.site-footer p{ margin: 0; color: rgba(255,255,255,.88); font-size: 14px; text-align: center;}
.site-footer a{ color: rgba(255,255,255,.88); }

/* ===== Safe-area iOS ===== */
:root{ --safe-top: env(safe-area-inset-top); --safe-bottom: env(safe-area-inset-bottom); }
.site-header{ padding-top: max(0px, var(--safe-top)); }
.site-footer{ padding-bottom: max(0px, var(--safe-bottom)); }

/* Evita che la pagina sotto scorra quando il menu è aperto */
body:has(.nav-toggle:checked){
  overflow: hidden;
  touch-action: none;
}

/* Rettangolo elegante attorno a titolo + sottotitolo (e bottone) */
.hero .container.hero-inner{
  max-width: clamp(260px, 70vw, 760px); /* meno largo del container globale */
  margin-inline: auto;                   /* centrato */
  padding: clamp(20px, 4vw, 36px);       /* padding su tutti i lati */
  border: 1px solid #fff;                /* bordo bianco */
  border-radius: 18px;                   /* angoli morbidi */
  text-align: center;                    /* allinea titolo e sottotitolo */
}

/* === Solo mobile === */
@media (max-width: 860px){
  .hero-overlay{
    height: auto;

    /* Fallback solido (prima vh, poi svh se supportato) */
    min-height: clamp(240px, 40vh, 380px);
    min-height: clamp(240px, 40svh, 380px);

    display: grid;
    place-items: center;
  }

  /* Compatta un po’ il contenuto interno, così l’overlay può davvero scendere */
  .hero-inner{
    padding-block: clamp(10px, 3.5vw, 18px);
  }
  .hero h1{ margin-bottom: 4px; }
  .hero-sub{ margin: 0; }
  
  .hero{
    /* più corto del 68vh desktop */
    min-height: clamp(240px, 40vh, 380px);
    /* fallback + misura moderna: */
    min-height: clamp(240px, 40svh, 380px);
  }
  .container{ padding-inline: clamp(18px, 5vw, 24px); }
}

.actions{
  display: flex;
  justify-content: center;   /* centra orizzontalmente il bottone */
}

/* === Giustificazione testi (mobile e desktop) ===
   Applica solo ai contenuti (evita header/nav/cta) e aggiunge sillabazione in italiano */
:where(article) :where(p, li, blockquote){
  text-align: justify;
  text-justify: inter-word; /* best-effort */
  hyphens: auto;
  font-size: clamp(17px, 2.6vw, 19px);
  line-height: 1.75;
}


/* Mantieni centrature esplicite dove servono */
:where(.page-hero h1, .text-center, .center){ text-align: center; }


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

/* Barra alfabetica */
.alpha-nav{
  display:flex; gap:8px; flex-wrap:wrap; margin-bottom: var(--space-2);
}
.alpha-nav button{
  min-width: 36px; min-height: 36px; border-radius: 999px; border:1px solid var(--border);
  background:#fff; cursor:pointer; font-weight:600;
}
.alpha-nav button:focus{ outline:3px solid rgba(191,163,122,.45); outline-offset:2px; }

/* Lista disegni (chip stile elegante) */
.drawing-list{
  list-style:none; padding:0; margin:0;
  display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px;
}
@media (min-width: 640px){ .drawing-list{ grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (min-width: 920px){ .drawing-list{ grid-template-columns: repeat(4, minmax(0,1fr)); } }

.drawing-item{
  display:block; text-decoration:none; text-align:center;
  padding:12px 14px; border:1px solid var(--border); border-radius: 12px;
  background: #fff; color: var(--text); box-shadow: var(--shadow);
}
.drawing-item:hover, .drawing-item:focus{
  border-color: var(--accent); outline:none;
}

/* Layer full screen (bianco) */
.modal-backdrop[hidden]{ display:none; }
.modal-backdrop{
  position: fixed; inset: 0; background: #fff; z-index: 2000;
  overflow: auto; -webkit-overflow-scrolling: touch; z-index: 20001;
}
.modal{
  max-width: var(--container); margin: 0 auto; padding: var(--space-3);
}
.modal__header{
  position: sticky; top: 0; background: #fff; padding-bottom: 10px;
  display:flex; align-items:center; justify-content: space-between;
  border-bottom: 1px solid var(--border); z-index: 1;
}
.modal__close{
  border:1px solid var(--border); background:#fff; border-radius: 10px; min-width: 44px; min-height: 44px;
  font-size: 22px; line-height: 1; cursor: pointer;
}
.modal__close:focus{ outline:3px solid rgba(191,163,122,.45); outline-offset:2px; }
.modal__body{
  padding-top: var(--space-2);
  font-size: clamp(17px, 2.6vw, 19px);
  line-height: 1.75;  
}
.modal__body h3{ margin-top: 1.2em; }

/* Blocca lo scroll della pagina sotto al layer */
body.modal-open{ overflow:hidden; }

/* Riduci animazioni se richiesto */
@media (prefers-reduced-motion: no-preference){
  .drawing-item { transition: transform .15s ease, border-color .15s ease; }
  .drawing-item:hover { transform: translateY(-1px); }
}

/* az-filter.css - tiny helper styles. Feel free to merge into your main stylesheet. */
.az-bar{
  display:flex; flex-wrap:wrap; gap: 8px; margin: 12px 0 16px;
}
.az-btn{
  min-width: 36px; min-height: 36px; padding: 6px 10px;
  border:1px solid var(--border, #ddd); border-radius: 999px;
  background: #fff; cursor: pointer; font-weight: 600;
}
.az-btn[aria-pressed="true"]{
  outline: 2px solid rgba(191,163,122,.45);
}
.az-btn:disabled{ opacity:.4; cursor:not-allowed; }
.az-list{ list-style: none; padding: 0; margin: 0; }

/* Quando il modal è aperto, disattiva i click sull'header/menu */
body.modal-open .site-header,
body.modal-open .nav-toggle-label,
body.modal-open .main-nav{
  pointer-events: none;
}