/* ============================================================
   Tlonletter — componenti condivisi
   Sezione editoriale (home) + banda di richiamo (tutte le pagine)
   Usa i token del sito con fallback, così funziona anche dove
   :root non è definito.
   ============================================================ */

:root {
    --tl-nero: #0e0e0e;
    --tl-crema: #f8f6f3;
    --tl-ottanio: #2a6b6b;
    --tl-ottanio-chiaro: #7fb3ab;
}

.tl-rivista *,
.tl-rivista *::before,
.tl-rivista *::after,
.tl-banda *,
.tl-banda *::before,
.tl-banda *::after {
    box-sizing: border-box;
}

/* ---------- sezione principale ---------- */

.tl-rivista {
    position: relative;
    overflow: hidden;
    padding: 8rem 3rem;
    background: var(--tl-nero);
    color: var(--tl-crema);
}

/* alone di luce, appena percepibile */
.tl-rivista::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    max-width: 900px;
    max-height: 900px;
    background: radial-gradient(circle, rgba(42, 107, 107, 0.38) 0%, rgba(42, 107, 107, 0) 68%);
    pointer-events: none;
}

.tl-rivista::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(248, 246, 243, 0.28), transparent);
}

.tl-inner {
    position: relative;
    max-width: 1240px;
    margin: 0 auto;
}

.tl-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 5rem;
    align-items: start;
}

.tl-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--tl-ottanio-chiaro);
    margin-bottom: 1.75rem;
}

.tl-titolo {
    font-family: 'Instrument Serif', Georgia, serif;
    font-weight: 400;
    font-size: clamp(3.2rem, 7.5vw, 6rem);
    line-height: 0.94;
    letter-spacing: -0.015em;
    margin: 0 0 1.75rem;
}

.tl-titolo em {
    font-style: italic;
    color: var(--tl-ottanio-chiaro);
}

.tl-lead {
    font-size: clamp(1.05rem, 1.5vw, 1.3rem);
    line-height: 1.62;
    color: rgba(248, 246, 243, 0.82);
    max-width: 33em;
    margin: 0 0 1.25rem;
}

.tl-lead em {
    font-family: 'Instrument Serif', Georgia, serif;
    font-style: italic;
    font-size: 1.12em;
    color: var(--tl-crema);
}

.tl-sotto {
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(248, 246, 243, 0.55);
    max-width: 33em;
    margin: 0 0 2.75rem;
}

/* ---------- il ritmo, colonna destra ---------- */

.tl-ritmo {
    border-top: 1px solid rgba(248, 246, 243, 0.16);
    padding-top: 0.25rem;
}

.tl-voce {
    display: grid;
    grid-template-columns: 9.75rem 1fr;
    gap: 1.5rem;
    align-items: baseline;
    padding: 1.6rem 0;
    border-bottom: 1px solid rgba(248, 246, 243, 0.12);
}

.tl-quando {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    line-height: 1.5;
    text-transform: uppercase;
    color: var(--tl-ottanio-chiaro);
    padding-top: 0.4rem;
}

.tl-cosa {
    font-family: 'Instrument Serif', Georgia, serif;
    font-size: 1.5rem;
    line-height: 1.2;
    margin: 0 0 0.4rem;
    color: var(--tl-crema);
}

.tl-dettaglio {
    font-size: 0.88rem;
    line-height: 1.6;
    color: rgba(248, 246, 243, 0.58);
    margin: 0;
}

/* ---------- form ---------- */

.tl-form {
    display: flex;
    align-items: stretch;
    gap: 0;
    max-width: 30rem;
    border-bottom: 1px solid rgba(248, 246, 243, 0.35);
    transition: border-color 0.35s ease;
}

.tl-form:focus-within {
    border-color: var(--tl-ottanio-chiaro);
}

.tl-input {
    flex: 1;
    min-width: 0;
    padding: 1rem 0.25rem;
    background: transparent;
    border: none;
    color: var(--tl-crema);
    font-family: inherit;
    font-size: 1rem;
}

.tl-input::placeholder {
    color: rgba(248, 246, 243, 0.42);
}

.tl-input:focus {
    outline: none;
}

.tl-submit {
    flex-shrink: 0;
    padding: 1rem 1.75rem;
    margin-bottom: 0.5rem;
    background: var(--tl-crema);
    border: none;
    color: var(--tl-nero);
    font-family: inherit;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease;
}

.tl-submit:hover,
.tl-submit:focus-visible {
    background: var(--tl-ottanio-chiaro);
    color: var(--tl-nero);
}

.tl-nota {
    font-size: 0.82rem;
    line-height: 1.6;
    color: rgba(248, 246, 243, 0.48);
    margin: 1rem 0 0;
    max-width: 30rem;
}

.tl-nota a {
    color: rgba(248, 246, 243, 0.75);
    text-decoration: none;
    border-bottom: 1px solid rgba(248, 246, 243, 0.3);
    transition: color 0.3s ease, border-color 0.3s ease;
}

.tl-nota a:hover {
    color: var(--tl-ottanio-chiaro);
    border-color: var(--tl-ottanio-chiaro);
}

/* ---------- riga di prova ---------- */

.tl-prove {
    display: flex;
    flex-wrap: wrap;
    gap: 3.5rem;
    margin-top: 4.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(248, 246, 243, 0.16);
}

.tl-prova-num {
    display: block;
    font-family: 'Instrument Serif', Georgia, serif;
    font-size: 2.4rem;
    line-height: 1;
    color: var(--tl-crema);
    margin-bottom: 0.5rem;
}

.tl-prova-txt {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: rgba(248, 246, 243, 0.5);
}

/* ---------- banda di richiamo, fondo pagina ---------- */

.tl-banda {
    padding: 4.5rem 3rem;
    background: var(--tl-crema);
    border-top: 1px solid #e5e5e5;
}

.tl-banda-inner {
    max-width: 1240px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4rem;
    align-items: center;
}

.tl-banda-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--tl-ottanio);
    margin-bottom: 0.9rem;
}

.tl-banda-titolo {
    font-family: 'Instrument Serif', Georgia, serif;
    font-weight: 400;
    font-size: clamp(1.9rem, 3.4vw, 2.7rem);
    line-height: 1.12;
    color: #0a0a0a;
    margin: 0 0 0.7rem;
}

.tl-banda-titolo em {
    font-style: italic;
    color: var(--tl-ottanio);
}

.tl-banda-desc {
    font-size: 0.98rem;
    line-height: 1.6;
    color: #6b6b6b;
    margin: 0;
    max-width: 38em;
}

.tl-banda .tl-form {
    border-bottom-color: rgba(10, 10, 10, 0.22);
    width: 26rem;
    max-width: 100%;
}

.tl-banda .tl-form:focus-within {
    border-bottom-color: var(--tl-ottanio);
}

.tl-banda .tl-input {
    color: #0a0a0a;
}

.tl-banda .tl-input::placeholder {
    color: #9a9a9a;
}

.tl-banda .tl-submit {
    background: #0a0a0a;
    color: var(--tl-crema);
}

.tl-banda .tl-submit:hover,
.tl-banda .tl-submit:focus-visible {
    background: var(--tl-ottanio);
    color: #fff;
}

.tl-banda .tl-nota {
    color: #8a8a8a;
    margin-top: 0.9rem;
}

.tl-banda .tl-nota a {
    color: #4a4a4a;
    border-bottom-color: #cfcfcf;
}

.tl-banda .tl-nota a:hover {
    color: var(--tl-ottanio);
    border-bottom-color: var(--tl-ottanio);
}

/* ---------- responsive ---------- */

@media (max-width: 1024px) {
    .tl-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    .tl-banda-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .tl-rivista {
        padding: 5rem 1.5rem;
    }
    .tl-banda {
        padding: 3.5rem 1.5rem;
    }
    .tl-voce {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        padding: 1.3rem 0;
    }
    .tl-quando {
        padding-top: 0;
    }
    .tl-form {
        flex-direction: column;
        gap: 1rem;
        border-bottom: none;
        width: 100%;
    }
    .tl-input {
        padding: 1rem 1.1rem;
        border: 1px solid rgba(248, 246, 243, 0.28);
    }
    .tl-banda .tl-input {
        border-color: #dcdcdc;
        background: #fff;
    }
    .tl-submit {
        margin-bottom: 0;
        padding: 1.1rem 1.75rem;
        text-align: center;
    }
    .tl-prove {
        gap: 2rem 3rem;
        margin-top: 3rem;
        padding-top: 2rem;
    }
    .tl-prova-num {
        font-size: 1.9rem;
    }
}

/* ---------- voce di menu ---------- */

nav a.tl-nav,
nav a.tl-nav:hover {
    color: var(--tl-ottanio);
    opacity: 1;
}

.mobile-menu a.tl-nav {
    color: var(--tl-ottanio-chiaro);
}

/* la voce di menu compare solo dove la barra ha spazio: sotto i 1100px
   resta nel menu mobile, che è una lista verticale */
@media (max-width: 1100px) {
    nav a.tl-nav {
        display: none;
    }
}