/* =========================================
   1. Variabili & Setup Futuristico
   ========================================= */
:root {
    /* La tua Palette */
    --fi-col-1: #243F30;       /* Verde Scuro Deep */
    --fi-col-2: #3F6B54;       /* Verde Medio Vibrant */
    --fi-col-3: #8FBFA8;       /* Verde Chiaro Soft */
    --fi-col-4: #1E1E1E;       /* Nero Tecnico */
    --fi-col-5: #5F6B64;       /* Grigio Muted */
    
    --fi-bg-page: #f8fbf9;     /* Sfondo ultra-clean */
    --fi-white: #ffffff;
    
    /* Configurazione Design 2026 */
    --fi-radius-lg: 24px;      /* Curve più ampie e morbide */
    --fi-radius-sm: 12px;
    --fi-shadow-soft: 0 10px 40px -10px rgba(36, 63, 48, 0.08);
    --fi-shadow-glow: 0 20px 40px -5px rgba(63, 107, 84, 0.25); /* Glow verde */
    --fi-trans: cubic-bezier(0.2, 0.8, 0.2, 1); /* Transizione elastica Apple-style */
}

.fi-section-full * {
    box-sizing: border-box;
}

/* Animazione di Entrata (Fade Up) */
@keyframes fiFadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   2. Layout & Tipografia Fluid
   ========================================= */
.fi-section-full {
    padding: clamp(60px, 10vw, 100px) 0; /* Padding dinamico */
    width: 100%;
    animation: fiFadeUp 0.8s var(--fi-trans) forwards; /* Applica animazione */
}

.fi-bg-light {
    background: radial-gradient(circle at top right, rgba(143, 191, 168, 0.15), transparent 60%),
                var(--fi-bg-page); /* Gradiente sottile sullo sfondo */
}

.fi-container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* =========================================
   3. Elementi UI (Bottoni Next-Gen)
   ========================================= */
.fi-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--fi-radius-sm);
    transition: all 0.4s var(--fi-trans);
    cursor: pointer;
    letter-spacing: -0.02em;
    position: relative;
    overflow: hidden;
}

.fi-btn-primary {
    /* Gradiente diagonale sottile */
    background: linear-gradient(135deg, var(--fi-col-2) 0%, var(--fi-col-1) 100%);
    color: var(--fi-white);
    border: 1px solid transparent;
    box-shadow: 0 4px 15px rgba(63, 107, 84, 0.2);
}

.fi-btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 35px rgba(36, 63, 48, 0.3); /* Glow forte su hover */
}

.fi-btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

/* =========================================
   4. Single Page (Effetto Editoriale)
   ========================================= */
.fi-single-wrapper {
    max-width: 880px;
    margin: 0 auto;
}

.fi-single-title {
    /* Font size fluido: minimo 32px, ideale 5vw, massimo 56px */
    font-size: clamp(32px, 5vw, 56px); 
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
    color: var(--fi-col-1);
    letter-spacing: -0.03em; /* Tight tracking moderno */
}

.fi-single-excerpt {
    font-size: clamp(18px, 2vw, 22px);
    color: var(--fi-col-5);
    margin-bottom: 40px;
    line-height: 1.6;
    font-weight: 400;
    border-left: 3px solid var(--fi-col-3);
    padding-left: 20px;
}

.fi-single-image img {
    width: 100%;
    height: auto;
    border-radius: var(--fi-radius-lg);
    box-shadow: var(--fi-shadow-soft);
    transition: transform 0.5s var(--fi-trans);
}

.fi-single-image:hover img {
    transform: scale(1.01); /* Respiro leggero su hover */
}

.fi-single-content {
    font-size: 19px;
    line-height: 1.85;
    color: var(--fi-col-4);
    margin-bottom: 60px;
}

/* CTA Box "Glass" Style */
.fi-cta-box {
    margin-top: 60px;
    padding: 50px;
    border-radius: var(--fi-radius-lg);
    /* Sfondo sfumato leggero */
    background: linear-gradient(180deg, rgba(143, 191, 168, 0.15) 0%, rgba(143, 191, 168, 0.05) 100%);
    border: 1px solid rgba(143, 191, 168, 0.4);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Decorazione bagliore sfocato dietro al box */
.fi-cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(143, 191, 168, 0.2) 0%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
}

.fi-cta-box h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--fi-col-1);
    margin-bottom: 12px;
    position: relative;
}

.fi-cta-box p {
    font-size: 18px;
    color: var(--fi-col-5);
    margin-bottom: 30px;
    position: relative;
}

/* =========================================
   5. Archive Page (Griglia Dinamica)
   ========================================= */
.fi-archive-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.fi-archive-header h1 {
    font-size: clamp(36px, 5vw, 48px);
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--fi-col-1);
    letter-spacing: -0.03em;
}

/* Griglia */
.fi-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

/* Card Super-Modern */
.fi-card {
    background: var(--fi-white);
    border-radius: var(--fi-radius-lg); /* Molto arrotondato */
    border: 1px solid rgba(0,0,0,0.03);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all 0.4s var(--fi-trans);
    position: relative;
}

/* L'effetto Hover: Sale su e fa ombra colorata */
.fi-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--fi-shadow-glow); /* Ombra verde diffusa */
    border-color: rgba(143, 191, 168, 0.5);
}

.fi-card-image {
    overflow: hidden;
    height: 240px;
    position: relative;
}

.fi-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--fi-trans); /* Zoom lento */
}

/* Zoom immagine su hover della card */
.fi-card:hover .fi-card-image img {
    transform: scale(1.1);
}

.fi-card-body {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.fi-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 16px 0;
    color: var(--fi-col-1);
    line-height: 1.3;
}

.fi-card-excerpt {
    font-size: 16px;
    color: var(--fi-col-5);
    margin-bottom: 24px;
    line-height: 1.6;
    flex-grow: 1;
}

/* Pulsante "fantasma" che diventa solido o si anima */
.fi-card-footer .fi-btn {
    width: 100%;
    background: rgba(36, 63, 48, 0.05); /* Sfondo quasi invisibile */
    color: var(--fi-col-1);
    border: none;
    box-shadow: none;
}

/* Su hover della card, il bottone diventa verde pieno */
.fi-card:hover .fi-card-footer .fi-btn {
    background: var(--fi-col-2);
    color: var(--fi-white);
    box-shadow: 0 10px 20px rgba(63, 107, 84, 0.3);
}

/* =========================================
   6. Responsive
   ========================================= */
@media (max-width: 1024px) {
    .fi-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .fi-section-full {
        padding: 40px 0;
    }
    
    .fi-grid-3 {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .fi-cta-box {
        padding: 30px;
        text-align: center;
    }
    
    /* Ridimensiona un po' il testo su mobile */
    .fi-single-excerpt {
        border-left: none;
        padding-left: 0;
    }
}