/* ============================================================
   VERIDIA ITALIA — Design System
   Palette: verde bosco + ambra | Font: Fraunces + Inter
   ============================================================ */

:root {
  /* Colori semantici — palette originale Veridia (da Squarespace)
     petrolio hsl(197,32%,24%) · salvia hsl(122,15%,43%) · lime logo hsl(77,59%,51%) */
  --green-950: #22343C;  /* petrolio scuro: footer, sezioni scure */
  --green-900: #2A4551;  /* petrolio: titoli e testo */
  --green-800: #4C6A4E;  /* salvia scuro */
  --green-700: #5D7F5E;  /* salvia: accento originale */
  --green-600: #6B8F6C;
  --green-100: #E9EFE4;
  --green-50:  #F3F6F0;
  --accent:      #A6CC39; /* verde lime del logo — CTA (testo scuro sopra) */
  --accent-dark: #8FB32A;
  --cream:  #FAFAFA;      /* bianco 98% originale */
  --white:  #FFFFFF;
  --ink:    #2A4551;
  --muted:  #5B6E77;
  --border: #E2E7E5;

  /* Tipografia — l'originale usa Halyard Display (licenza Adobe/Squarespace,
     non trasferibile): Plus Jakarta Sans è il sostituto libero più vicino */
  --font-display: "Plus Jakarta Sans", -apple-system, "Segoe UI", sans-serif;
  --font-body: "Plus Jakarta Sans", -apple-system, "Segoe UI", sans-serif;

  /* Ritmo */
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 2px 6px rgba(16, 40, 27, .06), 0 12px 32px rgba(16, 40, 27, .08);
  --shadow-lg: 0 4px 12px rgba(16, 40, 27, .10), 0 24px 48px rgba(16, 40, 27, .14);
  --container: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300; /* come Halyard Display light dell'originale */
  letter-spacing: .02em;
  line-height: 1.25;
  color: var(--green-900);
  margin: 0 0 .5em;
  text-wrap: balance;
}
h3, h4 { font-weight: 500; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.5rem); }
p  { margin: 0 0 1em; }

a { color: var(--green-700); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--green-900); }

:focus-visible { outline: 3px solid var(--green-700); outline-offset: 2px; border-radius: 2px; }

.container { max-width: var(--container); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--green-950); color: #fff; padding: .6rem 1rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Bottoni ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 600; font-size: .975rem;
  padding: .8rem 1.6rem; border-radius: 999px;
  text-decoration: none; cursor: pointer; border: 2px solid transparent;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease;
  min-height: 44px;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--accent); color: var(--green-950); }
.btn-primary:hover { background: var(--accent-dark); color: var(--green-950); }
.btn-outline { background: transparent; color: var(--green-900); border-color: var(--green-800); }
.btn-outline:hover { background: var(--green-900); color: #fff; }
.btn-light { background: #fff; color: var(--green-950); }
.btn-light:hover { background: var(--green-100); color: var(--green-950); }
.btn svg { width: 18px; height: 18px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 247, 241, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 76px;
}
.brand img { width: 150px; height: auto; }

.nav { display: flex; align-items: center; gap: .25rem; list-style: none; margin: 0; padding: 0; }
.nav a, .nav button.nav-toggle-sub {
  display: inline-flex; align-items: center; gap: .3rem;
  font: 600 .95rem/1 var(--font-body); color: var(--ink);
  padding: .75rem .9rem; border-radius: 8px; text-decoration: none;
  background: none; border: 0; cursor: pointer;
}
.nav a:hover, .nav button.nav-toggle-sub:hover { background: var(--green-100); color: var(--green-950); }
.nav a[aria-current="page"] { color: var(--green-700); }
.nav .btn-primary { background: var(--accent); color: var(--green-950); padding: .65rem 1.3rem; margin-left: .5rem; }
.nav .btn-primary:hover { background: var(--accent-dark); color: var(--green-950); }

.has-sub { position: relative; }
.sub {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 220px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg); padding: .5rem; margin: 0; list-style: none;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.has-sub:hover .sub, .has-sub:focus-within .sub, .has-sub.open .sub {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.sub a { display: block; width: 100%; padding: .65rem .8rem; border-radius: 6px; }
.caret { width: 14px; height: 14px; transition: transform .18s ease; }
.has-sub:hover .caret, .has-sub.open .caret { transform: rotate(180deg); }

.nav-burger {
  display: none; background: none; border: 0; cursor: pointer; padding: .6rem;
  border-radius: 8px;
}
.nav-burger svg { width: 26px; height: 26px; stroke: var(--green-950); }

@media (max-width: 900px) {
  .nav-burger { display: inline-flex; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: .15rem;
    background: var(--cream); border-bottom: 1px solid var(--border);
    padding: 1rem clamp(1rem, 4vw, 2rem) 1.4rem;
    display: none;
  }
  .nav.open { display: flex; }
  .sub {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; background: var(--green-50);
    display: none; margin-top: .15rem;
  }
  .has-sub.open .sub { display: block; }
  .nav .btn-primary { margin: .75rem 0 0; justify-content: center; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; display: grid; place-items: center;
  min-height: min(78vh, 720px); color: #fff; text-align: center;
  isolation: isolate; overflow: hidden;
}
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(16,40,27,.35) 0%, rgba(16,40,27,.62) 100%);
}
.hero-inner { padding: 5rem 1rem; max-width: 820px; }
.hero h1, .hero p { color: #fff; }
.hero .eyebrow { color: var(--accent); }
.hero p.lead { font-size: clamp(1.05rem, 2vw, 1.3rem); opacity: .94; max-width: 620px; margin-inline: auto; }
.hero .actions { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; margin-top: 1.8rem; }

.hero-page { min-height: 46vh; }

.eyebrow {
  display: block; font: 700 .8rem/1 var(--font-body);
  letter-spacing: .14em; text-transform: uppercase; color: var(--green-700);
  margin-bottom: .9rem;
}

/* ---------- Sezioni ---------- */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-alt { background: var(--white); }
.section-green { background: var(--green-950); color: #E8EFE9; }
.section-green h2, .section-green h3 { color: #fff; }
.section-head { max-width: 680px; margin-bottom: 2.5rem; }
.section-head.center { margin-inline: auto; text-align: center; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split .media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } .split.reverse .media { order: -1; } }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: 0 1px 3px rgba(16,40,27,.04);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--green-100); color: var(--green-800);
  display: grid; place-items: center; margin-bottom: 1.1rem;
}
.card .icon svg { width: 24px; height: 24px; }
.card h3 { margin-bottom: .4rem; }
.card p:last-child { margin-bottom: 0; }

.card-photo { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.card-photo img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.card-photo .card-body { padding: 1.6rem 1.8rem 1.8rem; display: flex; flex-direction: column; gap: .3rem; flex: 1; }
.card-photo .card-body .btn { margin-top: auto; align-self: flex-start; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; text-align: center; }
@media (max-width: 780px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat .num { font: 300 clamp(2.2rem, 4vw, 3rem)/1 var(--font-display); color: var(--accent); display: block; }
.stat .label { font-size: .95rem; opacity: .85; margin-top: .5rem; display: block; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--green-800), var(--green-700));
  color: #fff; border-radius: var(--radius);
  padding: clamp(2.2rem, 5vw, 3.5rem);
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin: 0 0 .3rem; }
.cta-band p { margin: 0; opacity: .92; }

/* ---------- Vivaio: catalogo ---------- */
.catalog-tools { margin: 0 0 2.2rem; }
.search-field { position: relative; max-width: 480px; }
.search-field svg {
  position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  width: 20px; height: 20px; color: var(--muted); pointer-events: none;
}
.search-field input {
  width: 100%; min-height: 52px; padding: .8rem 1rem .8rem 3rem;
  font: 400 1rem var(--font-body); color: var(--ink);
  background: #fff; border: 1.5px solid var(--border); border-radius: 999px;
}
.search-field input:focus { border-color: var(--green-700); outline: none; box-shadow: 0 0 0 3px rgba(30,107,60,.15); }
.catalog-count { font-size: .9rem; color: var(--muted); margin-top: .6rem; display: block; }

.letter-group { margin-bottom: 2.4rem; }
.letter-group > h2 {
  font-size: 1.6rem; color: var(--green-700); font-weight: 500;
  border-bottom: 2px solid var(--border); padding-bottom: .4rem; margin-bottom: 1.2rem;
}
.species { border-left: 4px solid var(--green-100); display: flex; flex-direction: column; }
.species:hover { border-left-color: var(--accent); }
.species .thumb { margin: -1.8rem -1.8rem 1.2rem; border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; }
.species .thumb img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.species .latin { font-family: var(--font-display); font-style: italic; font-weight: 500; font-size: 1.15rem; color: var(--green-900); margin: 0 0 .1rem; }
.species .common { font-weight: 700; font-size: .85rem; color: var(--green-700); text-transform: uppercase; letter-spacing: .05em; margin: 0 0 .6rem; }
.species p { font-size: .95rem; color: var(--muted); margin: 0 0 1rem; }
.species .more { margin-top: auto; font-weight: 600; font-size: .92rem; text-decoration: none; color: var(--green-800); }
.species .more:hover { text-decoration: underline; }

/* Scheda albero */
.tree-attrs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 1.6rem 0; }
@media (max-width: 640px) { .tree-attrs { grid-template-columns: repeat(2, 1fr); } }
.tree-attrs .attr { background: var(--green-50); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .9rem 1rem; }
.tree-attrs dt { font: 700 .72rem/1 var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--green-700); margin-bottom: .35rem; }
.tree-attrs dd { margin: 0; font-size: .98rem; color: var(--ink); }
.breadcrumb { font-size: .9rem; margin-bottom: 1.5rem; }
.breadcrumb a { text-decoration: none; color: var(--green-700); font-weight: 600; }
.breadcrumb a:hover { text-decoration: underline; }
.no-results {
  display: none; text-align: center; padding: 3rem 1rem; color: var(--muted);
  background: #fff; border: 1px dashed var(--border); border-radius: var(--radius);
}

/* ---------- Liste / prose ---------- */
.prose { max-width: 720px; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: .4rem; }
.check-list { list-style: none; padding: 0; margin: 0 0 1.2rem; }
.check-list li { display: flex; gap: .7rem; align-items: flex-start; margin-bottom: .7rem; }
.check-list svg { width: 22px; height: 22px; flex-shrink: 0; color: var(--green-700); margin-top: .15rem; }

/* ---------- Contatti ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem); }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: .35rem; }
.form-group .req { color: var(--accent); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; min-height: 48px; padding: .7rem .9rem;
  font: 400 1rem var(--font-body); color: var(--ink);
  background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--green-700); outline: none; box-shadow: 0 0 0 3px rgba(30,107,60,.15);
}
.form-hint { font-size: .85rem; color: var(--muted); margin-top: .3rem; }

.info-block { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.6rem; }
.info-block .icon {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: 10px;
  background: var(--green-100); color: var(--green-800); display: grid; place-items: center;
}
.info-block .icon svg { width: 22px; height: 22px; }
.info-block h3 { font-size: 1.1rem; margin-bottom: .15rem; }
.info-block p { margin: 0; color: var(--muted); }

.map-embed { border: 0; width: 100%; height: 340px; border-radius: var(--radius); box-shadow: var(--shadow); }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-950); color: #B7C4C1; font-size: .92rem; }
.footer-main {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.5rem;
  padding-block: clamp(3rem, 6vw, 4.5rem) 2.5rem;
}
@media (max-width: 900px) { .footer-main { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-main { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font: 700 .85rem/1 var(--font-body); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 1.1rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .55rem; }
.site-footer a { color: #D9E2E0; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-brand img { width: 150px; margin-bottom: 1rem; filter: brightness(0) invert(1); opacity: .95; }
.social-links { display: flex; gap: .8rem; margin-top: 1rem; }
.social-links a {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255,255,255,.08);
}
.social-links a:hover { background: rgba(255,255,255,.18); }
.social-links svg { width: 18px; height: 18px; }
.footer-legal {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-block: 1.6rem 2.2rem; font-size: .8rem; line-height: 1.6; color: #8DA0A5;
}
.footer-legal p { margin-bottom: .6rem; }

/* ---------- Reveal (attivo solo con JS: html.js) ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.js .reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: re
/* ---------- Language switcher ---------- */
.nav .lang-link {
  border: 1.5px solid var(--border); border-radius: 999px;
  padding: .5rem .85rem; font-size: .82rem; font-weight: 700; letter-spacing: .06em;
}
.nav .lang-link:hover { border-color: var(--green-700); background: var(--green-50); }