:root {
    --verde-bosco: #2D5A3D;
    --verde-bosco-dark: #1F3F2B;
    --verde-muschio: #7A9471;
    --marrone-corteccia: #5C4530;
    --crema: #FBF8F1;
    --crema-scuro: #F1EADC;
    --oro-autunno: #C9A66B;
    --testo: #2B2B2B;
    --grigio-testo: #6B6B6B;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Lato', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

body {
    font-family: var(--font-sans);
    color: var(--testo);
    background: var(--crema);
}

h1, h2, h3, .sa-h2, .sa-h3 {
    font-family: var(--font-serif);
    color: var(--verde-bosco-dark);
}

a { text-decoration: none; }

/* NAVBAR */
.sa-navbar {
    background: var(--verde-bosco-dark);
    box-shadow: 0 2px 12px rgba(0,0,0,.15);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.navbar-brand {
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--crema) !important;
    font-size: 1.3rem;
}

.navbar-brand span { color: var(--oro-autunno); }

.nav-link {
    color: rgba(251,248,241,.85) !important;
    font-weight: 700;
    letter-spacing: .02em;
    margin: 0 .4rem;
    transition: color .2s;
}

.nav-link:hover, .nav-link.active { color: var(--oro-autunno) !important; }

.navbar-toggler { border-color: rgba(251,248,241,.4); }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(251,248,241,0.9)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* HERO / SLIDESHOW */
.sa-hero { height: 88vh; min-height: 560px; }
.carousel-item, .sa-hero-slide { height: 88vh; min-height: 560px; }

.sa-hero-slide {
    background-size: cover;
    background-position: center;
    position: relative;
}

.sa-hero-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    background: linear-gradient(90deg, rgba(31,63,43,.85) 0%, rgba(31,63,43,.55) 45%, rgba(31,63,43,.25) 100%);
    color: var(--crema);
}

.sa-hero-kicker {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-weight: 700;
    color: var(--oro-autunno);
    margin-bottom: .5rem;
    font-size: .85rem;
}

.sa-hero-overlay h1 {
    color: var(--crema);
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1rem;
}

.sa-hero-text {
    font-size: 1.15rem;
    max-width: 560px;
    margin-bottom: 1.75rem;
    font-style: italic;
}

.sa-hero-text span { display: block; font-style: normal; opacity: .8; margin-top: .3rem; }

.carousel-indicators [data-bs-target] { background-color: var(--oro-autunno); }

/* BOTTONI */
.btn-sa-primary {
    background: var(--oro-autunno);
    border: none;
    color: var(--verde-bosco-dark);
    font-weight: 700;
    padding: .75rem 1.75rem;
    border-radius: 40px;
    transition: transform .2s, box-shadow .2s;
}
.btn-sa-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(201,166,107,.4); color: var(--verde-bosco-dark); }

.btn-sa-outline {
    background: rgba(31,63,43,.38);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1.5px solid var(--crema);
    color: var(--crema);
    font-weight: 700;
    padding: .7rem 1.75rem;
    border-radius: 40px;
    transition: all .2s;
}
.btn-sa-outline:hover { background: var(--crema); border-color: var(--crema); color: var(--verde-bosco-dark); }

/* SEZIONI */
.sa-section { padding: 5.5rem 0; }
.sa-section-alt { background: var(--crema-scuro); }
.sa-eyebrow {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-weight: 700;
    color: var(--verde-muschio);
    font-size: .85rem;
}
.sa-h2 { font-size: 2.1rem; font-weight: 700; line-height: 1.25; }
.sa-h3 { font-size: 1.6rem; font-weight: 700; }

.sa-rounded-img { border-radius: 18px; box-shadow: 0 20px 40px rgba(31,63,43,.2); }

.sa-link-arrow, .sa-link-arrow-sm {
    color: var(--verde-bosco);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}
.sa-link-arrow:hover, .sa-link-arrow-sm:hover { color: var(--oro-autunno); }

/* CARD SEMPLICI (cosa e'/non e') */
.sa-card-simple {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    height: 100%;
    box-shadow: 0 10px 30px rgba(31,63,43,.06);
}
.sa-card-simple h3 { margin: .75rem 0 .5rem; }
.sa-card-simple i { font-size: 1.8rem; color: var(--grigio-testo); }
.sa-card-highlight { background: var(--verde-bosco-dark); color: var(--crema); }
.sa-card-highlight h3, .sa-card-highlight i { color: var(--oro-autunno); }
.sa-icon-muted { color: #c9c9c9 !important; }

/* CITAZIONE GRANDE */
.sa-quote-section {
    background: var(--verde-bosco-dark);
    color: var(--crema);
    padding: 5rem 0;
    text-align: center;
}
.sa-quote-icon { font-size: 2.5rem; color: var(--oro-autunno); }
.sa-big-quote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.8rem;
    max-width: 780px;
    margin: 1rem auto 0;
    line-height: 1.5;
}

/* PAGE HEADER (elenco / mappa) */
.sa-page-header {
    background: linear-gradient(135deg, var(--verde-bosco-dark), var(--verde-bosco));
    color: var(--crema);
    padding: 4.5rem 0 3rem;
}
.sa-page-header h1 { color: var(--crema); font-size: 2.4rem; margin-top: .3rem; }
.sa-page-header .sa-eyebrow { color: var(--oro-autunno); }

/* FILTRI */
.sa-filters {
    background: #fff;
    border-radius: 16px;
    padding: 1.5rem;
    margin: -3.5rem auto 2.5rem;
    box-shadow: 0 15px 40px rgba(31,63,43,.12);
    position: relative;
    z-index: 5;
}
.form-select, .form-control {
    border-radius: 10px;
    border-color: #ddd6c9;
    padding: .55rem .8rem;
}
.form-select:focus, .form-control:focus {
    border-color: var(--verde-muschio);
    box-shadow: 0 0 0 .2rem rgba(122,148,113,.2);
}
.sa-reset-link { color: var(--grigio-testo); font-size: .9rem; font-weight: 700; background: none; border: none; padding: 0; }
.sa-reset-link:hover { color: var(--verde-bosco); }
.sa-result-count { color: var(--grigio-testo); margin-bottom: 1.5rem; font-weight: 700; }

/* CARD ALBERO */
.sa-tree-card {
    display: block;
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(31,63,43,.08);
    transition: transform .25s, box-shadow .25s;
    height: 100%;
    cursor: pointer;
}
.sa-tree-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(31,63,43,.18); }

.sa-tree-card-img {
    height: 210px;
    background-size: cover;
    background-position: center;
    background-color: var(--verde-muschio);
    position: relative;
}
.sa-badge-specie {
    position: absolute;
    top: 14px; left: 14px;
    background: var(--oro-autunno);
    color: var(--verde-bosco-dark);
    font-weight: 700;
    font-size: .78rem;
    padding: .35rem .8rem;
    border-radius: 30px;
}
.sa-badge-lg { position: static; display: inline-block; margin-bottom: .8rem; }

.sa-tree-card-body { padding: 1.4rem; }
.sa-tree-card-body h3 { font-size: 1.25rem; margin-bottom: .3rem; color: var(--verde-bosco-dark); }
.sa-tree-card-meta { color: var(--grigio-testo); font-size: .88rem; margin-bottom: .6rem; }
.sa-tree-card-desc {
    color: var(--testo);
    font-size: .92rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: .8rem;
}

.sa-empty-state { text-align: center; padding: 3rem 0; color: var(--grigio-testo); }
.sa-empty-state i { font-size: 2.5rem; color: var(--verde-muschio); }

/* PAGINA DETTAGLIO */
.sa-detail-hero {
    height: 55vh; min-height: 420px;
    background-size: cover; background-position: center;
    background-color: var(--verde-bosco-dark);
    position: relative;
}
.sa-detail-hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(0deg, rgba(31,63,43,.9) 10%, rgba(31,63,43,.25) 100%);
    display: flex; align-items: flex-end;
    color: var(--crema);
    padding-bottom: 3rem;
}
.sa-back-link { color: var(--crema); opacity: .85; display: inline-block; margin-bottom: 1rem; font-weight: 700; }
.sa-back-link:hover { opacity: 1; color: var(--oro-autunno); }
.sa-detail-hero-overlay h1 { color: var(--crema); font-size: 2.6rem; margin: .4rem 0; }
.sa-detail-meta { opacity: .9; }

.sa-detail-text { font-size: 1.05rem; line-height: 1.75; }

.sa-poem {
    background: var(--crema-scuro);
    border-left: 4px solid var(--oro-autunno);
    border-radius: 0 14px 14px 0;
    padding: 1.5rem 1.75rem;
    margin-top: 1.5rem;
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--verde-bosco-dark);
    white-space: pre-line;
}
.sa-poem i { color: var(--oro-autunno); font-size: 1.4rem; }

.sa-map-single { height: 320px; border-radius: 16px; overflow: hidden; box-shadow: 0 10px 25px rgba(31,63,43,.1); }
.sa-map-full { height: 65vh; min-height: 480px; border-radius: 16px; overflow: hidden; box-shadow: 0 15px 40px rgba(31,63,43,.12); }

.leaflet-popup-content-wrapper { border-radius: 12px; }
.sa-popup h4 { font-family: var(--font-serif); font-size: 1rem; margin: 0 0 .3rem; color: var(--verde-bosco-dark); }
.sa-popup a { color: var(--verde-bosco); font-weight: 700; font-size: .85rem; }

/* FOOTER */
.sa-footer {
    background: var(--verde-bosco-dark);
    color: rgba(251,248,241,.75);
    padding: 2.5rem 0;
    margin-top: 2rem;
}
.sa-footer-quote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--crema);
    margin-bottom: .3rem;
}
.sa-map-pin {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -100%);
    font-size: 2.4rem;
    color: #C0392B;
    text-shadow: 0 3px 6px rgba(0,0,0,.4);
    transition: transform .2s, color .2s;
    z-index: 10;
}
.sa-map-pin:hover {
    color: var(--oro-autunno);
    transform: translate(-50%, -100%) scale(1.1);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .sa-hero, .carousel-item, .sa-hero-slide { height: 75vh; min-height: 480px; }
    .sa-hero-overlay h1 { font-size: 2.2rem; }
    .sa-hero-overlay { background: linear-gradient(180deg, rgba(31,63,43,.65) 0%, rgba(31,63,43,.9) 100%); }
    .sa-filters { margin-top: -2rem; }
    .sa-big-quote { font-size: 1.4rem; }
    .sa-detail-hero-overlay h1 { font-size: 1.9rem; }
}

/* Rispetto per chi preferisce meno animazioni */
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation-duration: 0.01ms !important; }
}