/* TTG Lab – foglio di stile unico (nessun framework) */
@import url('font.css');

:root {
    --nero: #0d1115;
    --inchiostro: #14191f;
    --testo: #2c333b;
    --tenue: #616b76;
    --linea: #e5e2da;
    --carta: #f8f6f1;
    --bianco: #ffffff;
    --verde: #009036;
    --verde-scuro: #00702a;
    --verde-chiaro: #e7f4eb;
    --raggio: 14px;
    --ombra: 0 1px 2px rgb(13 17 21 / .05), 0 10px 30px -12px rgb(13 17 21 / .18);
    --serif: 'Noto Serif', Georgia, 'Times New Roman', serif;
    --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    --largo: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); font-size: 17px; line-height: 1.6; color: var(--testo); background: var(--carta); }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); color: var(--inchiostro); line-height: 1.15; margin: 0; font-weight: 700; letter-spacing: -.01em; }
.contenitore { width: 100%; max-width: var(--largo); margin: 0 auto; padding: 0 24px; }
.solo-lettori { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--verde); outline-offset: 2px; border-radius: 4px; }

/* ---------- Barra del gruppo TTG */
.rete { background: var(--nero); color: #b9c1c9; font-size: 12.5px; letter-spacing: .04em; text-transform: uppercase; }
.rete .contenitore { display: flex; gap: 22px; overflow-x: auto; scrollbar-width: none; }
.rete a { display: block; padding: 9px 0; text-decoration: none; white-space: nowrap; border-bottom: 2px solid transparent; }
.rete a:hover { color: #fff; }
.rete a[aria-current] { color: #fff; border-color: var(--verde); }

/* ---------- Testata */
.testata { background: var(--bianco); border-bottom: 1px solid var(--linea); position: sticky; top: 0; z-index: 20; }
.testata .contenitore { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 76px; }
.marchio { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.marchio svg { height: 38px; width: auto; }
.marchio .motto { font-size: 13px; color: var(--tenue); line-height: 1.3; border-left: 1px solid var(--linea); padding-left: 14px; }
.menu { display: flex; align-items: center; gap: 28px; font-size: 15px; font-weight: 500; }
.menu a { text-decoration: none; color: var(--inchiostro); }
.menu a:hover { color: var(--verde); }

.bottone { display: inline-flex; align-items: center; gap: 9px; padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 15px; text-decoration: none; border: 0; cursor: pointer; transition: background .15s, transform .15s; font-family: var(--sans); }
.bottone svg { width: 18px; height: 18px; }
.bottone.pieno { background: var(--verde); color: #fff; }
.bottone.pieno:hover { background: var(--verde-scuro); }
.bottone.contorno { color: #fff; box-shadow: inset 0 0 0 1.5px rgb(255 255 255 / .45); }
.bottone.contorno:hover { box-shadow: inset 0 0 0 1.5px #fff; }
.bottone.chiaro { background: var(--verde-chiaro); color: var(--verde-scuro); }
.bottone.chiaro:hover { background: #d3ecdb; }
.bottone.piccolo { padding: 8px 16px; font-size: 14px; }

/* ---------- Apertura */
.apertura { position: relative; overflow: hidden; background: var(--nero); color: #d9dee3; }
.apertura::before { content: ''; position: absolute; inset: 0; background:
    radial-gradient(700px 420px at 85% 10%, rgb(0 144 54 / .38), transparent 70%),
    radial-gradient(520px 380px at 0% 100%, rgb(0 144 54 / .18), transparent 70%); }
.apertura::after { content: ''; position: absolute; inset: 0; opacity: .5;
    background-image: radial-gradient(rgb(255 255 255 / .09) 1px, transparent 1px); background-size: 22px 22px;
    mask-image: linear-gradient(90deg, transparent, #000 60%); }
.apertura .contenitore { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; padding-top: 84px; padding-bottom: 96px; }
.occhiello { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: #8fdcab; }
.occhiello::before { content: ''; width: 28px; height: 2px; background: var(--verde); }
.apertura h1 { color: #fff; font-size: clamp(36px, 4.6vw, 58px); margin: 18px 0 22px; }
.apertura h1 em { font-style: normal; color: #6fd394; }
.apertura p.attacco { font-size: 19px; max-width: 34ch; margin: 0 0 32px; color: #c3cad1; }
.azioni { display: flex; flex-wrap: wrap; gap: 12px; }
.numeri { display: flex; gap: 40px; margin-top: 48px; padding-top: 28px; border-top: 1px solid rgb(255 255 255 / .12); }
.numeri b { display: block; font-family: var(--serif); font-size: 32px; color: #fff; line-height: 1; }
.numeri span { font-size: 13px; color: #9aa4ae; }

/* Webinar in evidenza nell'apertura */
.evidenza { background: var(--bianco); color: var(--testo); border-radius: 20px; overflow: hidden; box-shadow: 0 30px 60px -25px rgb(0 0 0 / .6); text-decoration: none; display: block; transition: transform .2s; }
.evidenza:hover { transform: translateY(-4px); }
.evidenza .corpo { padding: 22px 26px 26px; }
.evidenza .etichetta { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--verde); }
.evidenza h2 { font-size: 26px; margin: 8px 0 10px; }
.evidenza .meta { font-size: 14px; color: var(--tenue); }

/* Riquadro immagine dei webinar: il banner del partner al centro, su fondo chiaro, con il tasto play */
.copertina { position: relative; aspect-ratio: 16 / 9; display: grid; place-items: center; overflow: hidden;
    background: linear-gradient(135deg, #f3f1eb, #e9e6de); }
.copertina::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 30% 20%, rgb(255 255 255 / .9), transparent 60%); }
.copertina img { position: relative; width: 62%; max-width: 300px; border-radius: 8px; box-shadow: 0 8px 24px -10px rgb(13 17 21 / .35); image-rendering: auto; }
.copertina .play { position: absolute; right: 16px; bottom: 16px; width: 48px; height: 48px; border-radius: 50%; background: var(--verde); color: #fff; display: grid; place-items: center; box-shadow: 0 6px 16px -4px rgb(0 112 42 / .6); transition: transform .2s; }
.copertina .play svg { width: 20px; height: 20px; margin-left: 3px; }
/* Con la foto del webinar: immagine a tutta scheda e banner del partner in piccolo */
.copertina.foto { background: var(--nero); }
.copertina.foto::before { z-index: 1; background: linear-gradient(180deg, transparent 45%, rgb(13 17 21 / .55)); }
.copertina.foto img.sfondo { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; object-fit: cover; border-radius: 0; box-shadow: none; transition: transform .4s; }
.scheda:hover .copertina.foto img.sfondo, .evidenza:hover .copertina.foto img.sfondo { transform: scale(1.04); }
.copertina .etichetta-partner { position: absolute; z-index: 2; left: 14px; bottom: 14px; background: #fff; padding: 4px; border-radius: 8px; box-shadow: 0 6px 18px -6px rgb(0 0 0 / .5); }
.copertina .etichetta-partner img { width: 112px; max-width: none; border-radius: 5px; box-shadow: none; }
.copertina .play { z-index: 2; }
.copertina .durata { position: absolute; left: 14px; top: 14px; background: rgb(13 17 21 / .78); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; }

/* ---------- Sezioni */
.sezione { padding: 88px 0; }
.sezione.bianca { background: var(--bianco); }
.intestazione { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-bottom: 36px; }
.intestazione h2 { font-size: clamp(30px, 3.2vw, 42px); }
.intestazione p { margin: 10px 0 0; color: var(--tenue); max-width: 56ch; }

/* Filtri dell'archivio */
.filtri { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 32px; }
.chip { border: 1px solid var(--linea); background: var(--bianco); color: var(--inchiostro); padding: 8px 16px; border-radius: 999px; font: 500 14px var(--sans); cursor: pointer; }
.chip:hover { border-color: var(--verde); }
.chip[aria-pressed='true'] { background: var(--inchiostro); border-color: var(--inchiostro); color: #fff; }
.separatore { width: 1px; height: 26px; background: var(--linea); margin: 0 4px; }
.cerca { margin-left: auto; position: relative; }
.cerca input { font: 15px var(--sans); padding: 10px 16px 10px 40px; border-radius: 999px; border: 1px solid var(--linea); background: var(--bianco); width: 260px; color: var(--inchiostro); }
.cerca input:focus { outline: none; border-color: var(--verde); box-shadow: 0 0 0 3px var(--verde-chiaro); }
.cerca svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 17px; height: 17px; color: var(--tenue); }

/* Griglia delle schede */
.griglia { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.scheda { background: var(--bianco); border-radius: var(--raggio); overflow: hidden; box-shadow: var(--ombra); display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
/* Le schede escluse dai filtri devono sparire davvero: "display: flex" qui sopra vincerebbe sull'attributo hidden */
.scheda[hidden] { display: none; }
.scheda:hover { transform: translateY(-4px); box-shadow: 0 2px 4px rgb(13 17 21 / .05), 0 22px 40px -18px rgb(13 17 21 / .3); }
.scheda:hover .play { transform: scale(1.08); }
.scheda > a { text-decoration: none; }
.scheda .corpo { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.scheda .meta { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; color: var(--tenue); }
.scheda .tema { color: var(--verde-scuro); font-weight: 600; }
.scheda h3 { font-size: 20px; margin: 10px 0 8px; }
.scheda h3 a { text-decoration: none; }
.scheda h3 a:hover { color: var(--verde-scuro); }
.scheda .partner { font-size: 14px; color: var(--tenue); margin: 0 0 18px; }
.scheda .piede { margin-top: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.scheda.non-disponibile .copertina img { filter: grayscale(1); opacity: .7; }
.nota-vuota { font-size: 14px; color: var(--tenue); font-style: italic; }
.nessuno { display: none; padding: 40px; text-align: center; color: var(--tenue); background: var(--bianco); border-radius: var(--raggio); }

/* Fascia newsletter */
.fascia { background: var(--verde); color: #fff; position: relative; overflow: hidden; }
.fascia::after { content: ''; position: absolute; right: -80px; top: -80px; width: 340px; height: 340px; border-radius: 50%; border: 60px solid rgb(255 255 255 / .08); }
.fascia .contenitore { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 32px; padding-top: 56px; padding-bottom: 56px; flex-wrap: wrap; }
.fascia h2 { color: #fff; font-size: clamp(26px, 2.6vw, 34px); max-width: 22ch; }
.fascia p { margin: 8px 0 0; color: #d6f0de; }
.fascia .bottone { background: #fff; color: var(--verde-scuro); }
.fascia .bottone:hover { background: var(--verde-chiaro); }

/* ---------- Pagina del webinar */
.percorso { font-size: 14px; color: var(--tenue); padding: 26px 0 0; }
.percorso a { text-decoration: none; } .percorso a:hover { color: var(--verde); }
.titolo-webinar { padding: 18px 0 30px; max-width: 900px; }
.titolo-webinar h1 { font-size: clamp(30px, 3.6vw, 46px); margin: 12px 0 16px; }
.titolo-webinar .meta { display: flex; flex-wrap: wrap; gap: 8px 24px; color: var(--tenue); font-size: 15px; }
.titolo-webinar .meta b { color: var(--inchiostro); font-weight: 600; }
.lettore { position: relative; aspect-ratio: 16 / 9; border-radius: 18px; overflow: hidden; background: var(--nero); box-shadow: var(--ombra); }
.lettore video { width: 100%; height: 100%; display: block; background: #000; }
.lettore .avvia { all: unset; position: absolute; inset: 0; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 26px;
    background: radial-gradient(600px 300px at 70% 20%, rgb(0 144 54 / .35), transparent 70%), var(--nero); }
.lettore .avvia img { width: min(30%, 300px); border-radius: 10px; box-shadow: 0 20px 50px -20px rgb(0 0 0 / .8); }
.lettore .avvia .play { width: 80px; height: 80px; border-radius: 50%; background: var(--verde); display: grid; place-items: center; color: #fff;
    box-shadow: 0 0 0 12px rgb(0 144 54 / .22); transition: transform .2s; }
.lettore .avvia:hover .play { transform: scale(1.06); }
.lettore .avvia .play svg { width: 30px; height: 30px; margin-left: 5px; }
.lettore .avvia .suggerimento { color: #c3cad1; font-size: 15px; }
/* Con la foto: il fotogramma riempie il lettore, il banner del partner resta in piccolo */
.lettore .avvia.con-foto { background-size: cover; background-position: center; }
.lettore .avvia.con-foto img { display: none; }
.lettore .avvia.con-foto .suggerimento { color: #fff; text-shadow: 0 1px 8px rgb(0 0 0 / .6); }
@media (max-width: 680px) { .lettore .avvia { gap: 14px; } .lettore .avvia img { width: 46%; } .lettore .avvia .play { width: 60px; height: 60px; } }
.sotto-lettore { display: grid; grid-template-columns: 1fr 320px; gap: 48px; padding: 40px 0 0; }
.sotto-lettore p { margin: 0 0 16px; }
.riquadro { background: var(--bianco); border-radius: var(--raggio); padding: 24px; box-shadow: var(--ombra); align-self: start; }
.riquadro h2 { font-size: 18px; margin-bottom: 14px; }
.riquadro dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; font-size: 15px; }
.riquadro dt { color: var(--tenue); }
.riquadro dd { margin: 0; color: var(--inchiostro); font-weight: 500; }
.riquadro .bottone { width: 100%; justify-content: center; margin-top: 18px; }

/* ---------- Piede */
.piede-sito { background: var(--nero); color: #9aa4ae; font-size: 14px; padding: 56px 0 32px; }
.piede-sito .colonne { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.piede-sito h3 { font-family: var(--sans); font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: #fff; margin-bottom: 14px; }
.piede-sito ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.piede-sito a { text-decoration: none; } .piede-sito a:hover { color: #fff; }
.piede-sito .marchio svg { height: 32px; }
.piede-sito .legale { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgb(255 255 255 / .1); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; }

/* ---------- Schermi piccoli */
@media (max-width: 1000px) {
    .apertura .contenitore { grid-template-columns: 1fr; gap: 44px; padding-top: 56px; padding-bottom: 64px; }
    .griglia { grid-template-columns: repeat(2, 1fr); }
    .sotto-lettore { grid-template-columns: 1fr; }
    .piede-sito .colonne { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
    body { font-size: 16px; }
    .contenitore { padding: 0 16px; }
    .testata .contenitore { height: 64px; }
    .marchio svg { height: 30px; }
    .marchio .motto, .menu .nascondi { display: none; }
    .menu { gap: 16px; }
    .numeri { gap: 24px; }
    .numeri b { font-size: 26px; }
    .sezione { padding: 60px 0; }
    .griglia { grid-template-columns: 1fr; gap: 20px; }
    .cerca { margin-left: 0; width: 100%; } .cerca input { width: 100%; }
    .separatore { display: none; }
    .piede-sito .colonne { grid-template-columns: 1fr; gap: 28px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }