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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--ksm-font);
    font-size: 16px;
    line-height: 1.65;
    color: var(--ksm-body);
    background: var(--ksm-canvas);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
    font-family: var(--ksm-font-display);
    color: var(--ksm-ink);
    line-height: 1.15;
    letter-spacing: -.015em;
    margin: 0 0 .5em;
}

h1 { font-size: clamp(2.1rem, 4.2vw, 3.35rem); font-weight: 800; }
h2 { font-size: clamp(1.55rem, 2.4vw, 2.15rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 700; }

p { margin: 0 0 1em; }

a {
    color: var(--ksm-dark);
    text-decoration: none;
    transition: color .18s var(--ksm-ease);
}

a:hover { color: var(--ksm-accent-dark); }

:focus-visible {
    outline: 2px solid var(--ksm-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

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

.ksm-icon {
    flex: none;
    display: block;
}

.ksm-container {
    width: 100%;
    max-width: var(--ksm-width);
    margin: 0 auto;
    padding: 0 24px;
}

.ksm-section { padding: 72px 0; }
.ksm-section--tight { padding: 40px 0; }
.ksm-section--alt { background: var(--ksm-surface); }

/* Intestazione di sezione */
.ksm-section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--ksm-gap);
    margin-bottom: 30px;
}

.ksm-section-head h2 { margin-bottom: 6px; }

.ksm-section-head p {
    margin: 0;
    color: var(--ksm-muted);
    font-size: .95rem;
}

/* Collegamento "vedi tutti" con filetto animato */
.ksm-section-head > a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex: none;
    padding-bottom: 4px;
    font-weight: 600;
    font-size: .92rem;
    color: var(--ksm-accent-dark);
    border-bottom: 2px solid var(--ksm-accent);
}

.ksm-section-head > a .ksm-icon { transition: transform .2s var(--ksm-ease); }
.ksm-section-head > a:hover .ksm-icon { transform: translateX(4px); }

/* Occhiello sopra il titolo */
.ksm-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 10px;
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--ksm-accent-dark);
}

.ksm-eyebrow::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--ksm-accent);
}

.ksm-grid {
    display: grid;
    gap: var(--ksm-gap);
}

.ksm-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ksm-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ksm-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (max-width: 1100px) {
    .ksm-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ksm-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
    .ksm-grid--4,
    .ksm-grid--3,
    .ksm-grid--2 { grid-template-columns: 1fr; }

    .ksm-section { padding: 44px 0; }
    .ksm-section-head { flex-direction: column; align-items: flex-start; }
}

.ksm-muted { color: var(--ksm-muted); }
.ksm-center { text-align: center; }

/* Comparsa morbida dei blocchi al primo caricamento */
@media (prefers-reduced-motion: no-preference) {
    .ksm-reveal {
        opacity: 0;
        transform: translateY(14px);
        transition: opacity .6s var(--ksm-ease), transform .6s var(--ksm-ease);
    }

    .ksm-reveal.is-visible {
        opacity: 1;
        transform: none;
    }
}

/* Un fieldset non si restringe sotto il suo contenuto: con una tabella dentro uscirebbe dal modulo. */
fieldset { min-width: 0; }