/* =========================================================
   hackingethical.it — foglio di stile unico
   Palette:  fondo #07090b · verde #22e06b · arancione #ff7a1a
   Font:     titoli Barlow Semi Condensed · testo Barlow · codice JetBrains Mono
   ========================================================= */

@font-face{font-family:"Barlow";src:url(../fonts/barlow-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Barlow";src:url(../fonts/barlow-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Barlow";src:url(../fonts/barlow-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Barlow Semi Condensed";src:url(../fonts/barlow-semi-condensed-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Barlow Semi Condensed";src:url(../fonts/barlow-semi-condensed-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(../fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(../fonts/jetbrains-mono-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  color-scheme:dark;
  --bg:#07090b;
  --bg-2:#0b0f12;
  --surface:#10161a;
  --surface-2:#141c21;
  --line:#1f2a31;
  --line-2:#2b3942;
  --text:#e8eeeb;
  --muted:#a3b2ab;
  --green:#22e06b;
  --green-soft:rgba(34,224,107,.12);
  --orange:#ff7a1a;
  --orange-soft:rgba(255,122,26,.12);
  --red:#ff5c5c;
  --grey-hat:#b9c3c9;

  --font-title:"Barlow Semi Condensed","Arial Narrow",Arial,sans-serif;
  --font-body:"Barlow","Helvetica Neue",Arial,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;

  --radius:14px;
  --radius-sm:9px;
  --wrap:1200px;
  --gap:clamp(1.25rem,2.5vw,2rem);
  --section:clamp(4.5rem,9vw,7.5rem);
}

*,*::before,*::after{box-sizing:border-box}
html{font-size:100%;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-body);font-size:1.125rem;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--green);text-underline-offset:.2em;text-decoration-thickness:1px}
a:hover{color:#5cf096}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}
::selection{background:var(--green);color:#04130a}

.skip{position:absolute;left:-999px;top:0;background:var(--orange);color:#111;padding:.75rem 1rem;z-index:100;font-weight:600}
.skip:focus{left:1rem;top:1rem}

/* ---------- tipografia ---------- */
h1,h2,h3,h4{font-family:var(--font-title);font-weight:700;line-height:1.12;letter-spacing:.005em;margin:0 0 .6em;color:#f6faf8}
h1{font-size:clamp(2.6rem,5.2vw,4rem)}
h2{font-size:clamp(2rem,4vw,3rem)}
h3{font-size:clamp(1.4rem,2.2vw,1.7rem);font-weight:600}
h4{font-size:1.25rem;font-weight:600}
p{margin:0 0 1.15em}
.lead{font-size:clamp(1.2rem,1.8vw,1.4rem);color:#cfdad5;line-height:1.6}
.muted{color:var(--muted)}
.hl{color:var(--green)}
.hl-o{color:var(--orange)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-mono);font-size:.85rem;font-weight:500;letter-spacing:.04em;
  color:var(--green);margin:0 0 1.1rem;text-transform:lowercase;
}
.eyebrow::before{content:"//";color:var(--orange)}
code,kbd,.mono{font-family:var(--font-mono);font-size:.92em}
code{background:var(--surface-2);border:1px solid var(--line);padding:.1em .4em;border-radius:6px;color:#bff5d3}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 clamp(1rem,4vw,2rem)}
.section{padding:var(--section) 0;position:relative}
.section--alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin:0 0 clamp(2.25rem,5vw,3.5rem)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.grid{display:grid;gap:var(--gap)}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,6vw,5rem);align-items:center}
.stack>*+*{margin-top:1rem}

/* ---------- header ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(7,9,11,.86);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:76px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{height:36px;width:auto}
.nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:.25rem}
.nav a{display:block;padding:.55rem .85rem;border-radius:8px;color:#d6e0db;text-decoration:none;font-weight:500;font-size:1.02rem}
.nav a:hover{color:#fff;background:var(--surface)}
.nav a[aria-current="page"]{color:var(--green)}
.nav .btn{margin-left:.6rem}
.menu-toggle{display:none;background:none;border:1px solid var(--line-2);border-radius:10px;width:48px;height:48px;color:var(--text);cursor:pointer;align-items:center;justify-content:center}
.menu-toggle span{display:block;width:22px;height:2px;background:currentColor;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:22px;height:2px;background:currentColor;transition:transform .2s}
.menu-toggle span::before{top:-7px}.menu-toggle span::after{top:7px}
.menu-open .menu-toggle span{background:transparent}
.menu-open .menu-toggle span::before{transform:translateY(7px) rotate(45deg)}
.menu-open .menu-toggle span::after{transform:translateY(-7px) rotate(-45deg)}

/* ---------- bottoni ---------- */
.btn{
  --b:var(--orange);
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  min-height:3.1rem;padding:.75rem 1.5rem;border-radius:10px;border:2px solid var(--b);
  background:var(--b);color:#140800;font-family:var(--font-body);font-weight:600;font-size:1.05rem;line-height:1.2;
  text-decoration:none;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s;
}
.btn:hover{color:#140800;background:#ff8f3d;border-color:#ff8f3d;transform:translateY(-1px);box-shadow:0 10px 30px -12px rgba(255,122,26,.6)}
.btn--ghost{background:transparent;color:var(--green);--b:var(--green)}
.btn--ghost:hover{background:var(--green-soft);color:#7ff5ad;border-color:#7ff5ad;box-shadow:none}
.btn--sm{min-height:2.6rem;padding:.5rem 1rem;font-size:.98rem}
.btn-row{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}
.btn svg{width:1.15em;height:1.15em;flex-shrink:0}

/* ---------- hero ---------- */
.hero{padding:clamp(4rem,9vw,7rem) 0 clamp(4rem,8vw,6.5rem);position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;opacity:.35;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 70% 30%,#000 20%,transparent 75%);
          mask-image:radial-gradient(ellipse 70% 60% at 70% 30%,#000 20%,transparent 75%);
}
.hero::after{content:"";position:absolute;right:-10%;top:-20%;width:60%;height:90%;background:radial-gradient(closest-side,rgba(34,224,107,.13),transparent);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero h1 .line2{display:block;color:var(--green)}
.hero .lead{max-width:600px}
.hero-meta{display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;margin-top:2.25rem;padding:0;list-style:none;color:var(--muted);font-size:1rem}
.hero-meta li{display:flex;align-items:center;gap:.5rem}
.hero-meta li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--green)}

/* finestra terminale */
.term{background:#05080a;border:1px solid var(--line-2);border-radius:var(--radius);box-shadow:0 30px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(34,224,107,.06);overflow:hidden;font-family:var(--font-mono);font-size:.92rem;line-height:1.75}
.term-bar{display:flex;align-items:center;gap:.45rem;padding:.75rem 1rem;border-bottom:1px solid var(--line);background:var(--surface)}
.term-bar i{width:11px;height:11px;border-radius:50%;background:#2c3a42;display:block}
.term-bar i:nth-child(1){background:#ff5f57}.term-bar i:nth-child(2){background:#febc2e}.term-bar i:nth-child(3){background:#28c840}
.term-bar span{margin-left:auto;color:var(--muted);font-size:.78rem}
.term pre{margin:0;padding:1.25rem 1.35rem 1.5rem;white-space:pre-wrap;color:#c9d6d0;font:inherit}
.term .p{color:var(--green)}
.term .o{color:var(--orange)}
.term .c{color:#6f827a}
.cursor{display:inline-block;width:.6em;height:1.1em;background:var(--green);vertical-align:-.2em;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---------- striscia numeri ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.stats div{padding:1.6rem 1.4rem;border-right:1px solid var(--line)}
.stats div:last-child{border-right:0}
.stats strong{display:block;font-family:var(--font-title);font-size:2.1rem;line-height:1;color:var(--green);margin-bottom:.4rem}
.stats span{color:var(--muted);font-size:1rem;line-height:1.4;display:block}

/* ---------- card ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.5rem,3vw,2.25rem);position:relative;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--line-2)}
.card h3{margin-bottom:.5em}
.card p:last-child{margin-bottom:0}
.card .ico{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:var(--green-soft);color:var(--green);margin-bottom:1.25rem}
.card .ico svg{width:24px;height:24px}
.card--link{text-decoration:none;color:inherit;display:block}
.card--link:hover{transform:translateY(-3px);border-color:var(--green);color:inherit}

/* percorsi (gratuito / pro) */
.plan{display:flex;flex-direction:column}
.plan--pro{border-color:rgba(255,122,26,.55);background:linear-gradient(180deg,rgba(255,122,26,.07),transparent 40%),var(--surface)}
.plan .tag{position:absolute;top:-.85rem;left:1.75rem;background:var(--orange);color:#140800;font-family:var(--font-mono);font-size:.78rem;font-weight:500;padding:.3rem .7rem;border-radius:6px}
.plan .price{font-family:var(--font-title);font-size:3rem;font-weight:700;line-height:1;margin:.35rem 0 .3rem;color:#fff}
.plan .price s{font-size:1.4rem;color:var(--muted);font-weight:600;margin-left:.5rem}
.plan .price-note{color:var(--muted);font-size:.98rem;margin-bottom:1.5rem}
.plan .btn{margin-top:auto;align-self:flex-start}
.checks{list-style:none;padding:0;margin:0 0 2rem}
.checks li{position:relative;padding-left:2rem;margin-bottom:.7rem;line-height:1.55}
.checks li::before{content:"";position:absolute;left:0;top:.3em;width:1.15rem;height:1.15rem;border-radius:5px;background:var(--green-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%2322e06b' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/80% no-repeat}

/* moduli numerati (programma) */
.modules{counter-reset:m;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.modules li{counter-increment:m;list-style:none;display:flex;gap:1.1rem;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.2rem 1.3rem}
.modules li::before{content:counter(m,decimal-leading-zero);font-family:var(--font-mono);color:var(--orange);font-weight:500;font-size:.95rem;padding-top:.15rem}
.modules{padding:0;margin:0}
.modules strong{display:block;font-family:var(--font-title);font-size:1.25rem;font-weight:600;color:#fff;line-height:1.25;margin-bottom:.2rem}
.modules span{color:var(--muted);font-size:1rem;line-height:1.5}

/* cappelli */
.hat{border-top:4px solid var(--c,var(--green))}
.hat .label{font-family:var(--font-mono);font-size:.8rem;color:var(--c,var(--green));letter-spacing:.06em;text-transform:uppercase;margin-bottom:.75rem;display:block}
.hat--white{--c:var(--green)}
.hat--grey{--c:var(--grey-hat)}
.hat--black{--c:var(--red)}

/* docente */
.teacher{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(2rem,6vw,4.5rem);align-items:center}
.teacher-photo{position:relative;max-width:440px}
.teacher-photo img{border-radius:var(--radius);aspect-ratio:3/4;object-fit:cover;width:100%;border:1px solid var(--line-2)}
.teacher-photo::after{content:"";position:absolute;inset:auto -14px -14px auto;width:55%;height:45%;border:2px solid var(--green);border-radius:var(--radius);z-index:-1}
.teacher-photo{z-index:0}
.links-eco{display:grid;gap:.75rem;margin-top:1.75rem}
.links-eco a{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.2rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);text-decoration:none;color:var(--text)}
.links-eco a:hover{border-color:var(--green)}
.links-eco small{display:block;color:var(--muted);font-size:.95rem}
.links-eco b{font-family:var(--font-title);font-size:1.2rem;font-weight:600}
.links-eco .arr{color:var(--orange);font-size:1.4rem}

/* video */
.video{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-2);background:#000}
.video button{all:unset;cursor:pointer;position:absolute;inset:0;display:grid;place-items:center}
.video img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.7;transition:opacity .2s}
.video button:hover img{opacity:.9}
.video .play{position:relative;width:84px;height:84px;border-radius:50%;background:var(--orange);display:grid;place-items:center;box-shadow:0 10px 40px rgba(0,0,0,.5)}
.video .play svg{width:34px;height:34px;margin-left:5px;fill:#140800}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* blog */
.post-card{display:flex;flex-direction:column;height:100%}
.post-card .meta{font-family:var(--font-mono);font-size:.82rem;color:var(--muted);margin-bottom:.8rem}
.post-card h3{font-size:1.45rem}
.post-card h3 a{color:#fff;text-decoration:none}
.post-card h3 a::after{content:"";position:absolute;inset:0}
.post-card:hover{border-color:var(--green)}
.post-card .more{margin-top:auto;color:var(--green);font-weight:600}
.cat{display:inline-block;font-family:var(--font-mono);font-size:.75rem;color:var(--orange);border:1px solid rgba(255,122,26,.4);border-radius:6px;padding:.15rem .5rem;margin-right:.5rem}

/* faq */
.faq{max-width:860px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:1.4rem 3rem 1.4rem 0;position:relative;font-family:var(--font-title);font-size:1.35rem;font-weight:600;color:#fff;line-height:1.3}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.25rem;top:1.15rem;font-family:var(--font-mono);font-size:1.6rem;color:var(--green);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--orange)}
.faq details>div{padding:0 0 1.4rem;color:#cfdad5}

/* banda cta */
.cta-band{border:1px solid var(--line-2);border-radius:calc(var(--radius) + 4px);padding:clamp(2rem,5vw,3.5rem);background:radial-gradient(ellipse at 100% 0%,rgba(34,224,107,.14),transparent 60%),radial-gradient(ellipse at 0% 100%,rgba(255,122,26,.12),transparent 55%),var(--surface);display:grid;grid-template-columns:1.4fr auto;gap:2rem;align-items:center}
.cta-band h2{margin-bottom:.35em}
.cta-band p{margin:0;color:#cfdad5}
.cta-band .btn-row{margin-top:0}

/* avviso legale */
.legal-note{display:flex;gap:1rem;align-items:flex-start;border:1px solid rgba(255,122,26,.35);background:var(--orange-soft);border-radius:var(--radius-sm);padding:1.1rem 1.25rem;font-size:1rem;line-height:1.6;color:#f1e3d8}
.legal-note svg{width:24px;height:24px;flex-shrink:0;color:var(--orange);margin-top:.1rem}
.legal-note p{margin:0}

/* ---------- pagina interna ---------- */
.page-hero{padding:clamp(3.5rem,7vw,5.5rem) 0 clamp(2.5rem,5vw,3.5rem);border-bottom:1px solid var(--line);background:radial-gradient(ellipse 60% 100% at 85% 0%,rgba(34,224,107,.09),transparent 70%)}
.page-hero h1{font-size:clamp(2.4rem,5vw,3.8rem);max-width:900px}
.page-hero .lead{max-width:720px;margin-bottom:0}
.crumbs{font-family:var(--font-mono);font-size:.85rem;color:var(--muted);margin-bottom:1.5rem}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--green)}
.crumbs span{margin:0 .45rem;color:var(--line-2)}

/* articolo */
.article{max-width:760px;margin:0 auto}
.article-meta{display:flex;flex-wrap:wrap;gap:.4rem 1.25rem;font-family:var(--font-mono);font-size:.85rem;color:var(--muted);margin-top:1.5rem}
.prose{font-size:1.2rem;line-height:1.85;color:#dbe4e0}
.prose h2{font-size:clamp(1.75rem,3vw,2.2rem);margin:2.2em 0 .7em;padding-top:.2em}
.prose h2::before{content:"";display:block;width:44px;height:3px;background:var(--orange);margin-bottom:.7em;border-radius:2px}
.prose h3{margin:1.8em 0 .6em}
.prose ul,.prose ol{padding-left:1.4rem;margin:0 0 1.4em}
.prose li{margin-bottom:.55em}
.prose li::marker{color:var(--green)}
.prose strong{color:#fff}
.prose blockquote{margin:2em 0;padding:1.25rem 1.5rem;border-left:4px solid var(--green);background:var(--surface);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#e8f3ed}
.prose blockquote p:last-child{margin:0}
.prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:1.05rem}
.prose th,.prose td{text-align:left;padding:.75rem .9rem;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-family:var(--font-title);font-size:1.1rem;color:#fff;background:var(--surface)}
.table-scroll{overflow-x:auto}
.article-cta{margin-top:3.5rem}
.related{margin-top:4rem}

/* ---------- moduli ---------- */
.form{display:grid;gap:1.15rem}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:1.15rem}
.field label{display:block;font-weight:600;margin-bottom:.4rem;font-size:1.02rem}
.field .hint{font-weight:400;color:var(--muted);font-size:.92rem}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:1.08rem;color:var(--text);background:var(--bg);
  border:1px solid var(--line-2);border-radius:10px;padding:.85rem 1rem;min-height:3.1rem;
}
.field textarea{min-height:9rem;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.was-validated :invalid{border-color:var(--red)}
.check{display:flex;gap:.75rem;align-items:flex-start;font-size:1rem;line-height:1.5;color:#cfdad5}
.check input{width:1.3rem;height:1.3rem;margin-top:.15rem;accent-color:var(--green);flex-shrink:0}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-status{padding:1rem 1.2rem;border-radius:10px;font-weight:500}
.form-status.is-ok{background:var(--green-soft);border:1px solid var(--green);color:#bff5d3}
.form-status.is-error{background:rgba(255,92,92,.1);border:1px solid var(--red);color:#ffd0d0}
.form-box{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius);padding:clamp(1.5rem,4vw,2.5rem)}

.contact-list{list-style:none;padding:0;margin:1.5rem 0 0;display:grid;gap:1rem}
.contact-list a{display:flex;gap:1rem;align-items:center;text-decoration:none;color:var(--text);padding:1rem 1.2rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}
.contact-list a:hover{border-color:var(--green)}
.contact-list svg{width:26px;height:26px;color:var(--green);flex-shrink:0}
.contact-list small{display:block;color:var(--muted);font-size:.9rem}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);background:#05070868;padding:clamp(3.5rem,7vw,5rem) 0 2rem;font-size:1rem;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem}
.footer h4{font-family:var(--font-mono);font-size:.82rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--green);margin-bottom:1.1rem}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.footer a{color:#cfdad5;text-decoration:none}
.footer a:hover{color:var(--green)}
.footer .brand img{height:32px;margin-bottom:1.1rem}
.footer-bottom{border-top:1px solid var(--line);margin-top:3rem;padding-top:1.5rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;font-size:.92rem}

/* whatsapp */
.wa-fab{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--green);color:#04130a;display:grid;place-items:center;box-shadow:0 10px 30px -8px rgba(0,0,0,.7)}
.wa-fab:hover{color:#04130a;background:#5cf096}
.wa-fab svg{width:30px;height:30px}

/* cookie */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:70;max-width:560px;background:var(--surface-2);border:1px solid var(--line-2);border-radius:var(--radius);padding:1.25rem 1.35rem;box-shadow:0 20px 60px -20px #000;font-size:1rem;line-height:1.55}
.cookie p{margin:0 0 1rem}
.cookie .btn-row{margin:0;gap:.6rem}

/* animazione d'ingresso leggera */
@media (prefers-reduced-motion:no-preference){
  .reveal{transform:translateY(12px);transition:transform .6s ease}
  .reveal.is-in{transform:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .menu-toggle{display:inline-flex}
  .nav{position:fixed;inset:76px 0 auto 0;background:var(--bg);border-bottom:1px solid var(--line);padding:1rem clamp(1rem,4vw,2rem) 1.5rem;display:none;max-height:calc(100vh - 76px);overflow:auto}
  .menu-open .nav{display:block}
  .nav ul{flex-direction:column;align-items:stretch;gap:.15rem}
  .nav a{padding:.95rem .75rem;font-size:1.2rem;border-bottom:1px solid var(--line);border-radius:0}
  .nav .btn{margin:1rem 0 0;border-radius:10px;border-bottom:2px solid var(--orange)}
  .split,.teacher{grid-template-columns:1fr}
  .g3{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stats div:nth-child(2){border-right:0}
  .stats div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .cta-band{grid-template-columns:1fr}
  .teacher-photo{max-width:380px}
}
@media (max-width:720px){
  body{font-size:1.2rem;line-height:1.72}
  h1{font-size:2.55rem}
  h2{font-size:2.05rem}
  h3{font-size:1.55rem}
  .lead{font-size:1.28rem}
  .prose{font-size:1.24rem}
  .g2,.g3,.g4,.modules,.form .row2{grid-template-columns:1fr}
  .brand img{height:31px}
  .btn{width:100%;min-height:3.4rem;font-size:1.12rem}
  .btn-row{flex-direction:column}
  .plan .btn,.nav .btn{align-self:stretch}
  .footer-grid{grid-template-columns:1fr}
  .term{font-size:.84rem}
  .faq summary{font-size:1.3rem}
  .hero-meta{font-size:1.05rem}
  .stats strong{font-size:1.9rem}
  .eyebrow{font-size:.9rem}
  .crumbs{font-size:.9rem}
  .field label{font-size:1.1rem}
  .footer{font-size:1.08rem}
}
@media (max-width:720px){.plan--pro{margin-top:.75rem}}

/* ---------- corso: dashboard, lezioni, quiz ---------- */
.course-layout{display:grid;grid-template-columns:1fr 320px;gap:clamp(2rem,4vw,3.5rem);align-items:start}
.course-aside{display:grid;gap:1.25rem;position:sticky;top:calc(76px + env(safe-area-inset-top,0px) + 1rem)}
.course-aside .card{padding:1.5rem}
.course-aside h3{margin-top:0}
.module{margin-bottom:clamp(2.5rem,5vw,3.5rem)}
.module-head{margin-bottom:1.25rem}
.module-head h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:.15em}
.module-head p{margin:0}
.lesson-list{display:grid;gap:.85rem}
.lesson-card{display:flex;align-items:center;gap:1.1rem;padding:1.1rem 1.25rem}
.lesson-ico{flex-shrink:0;width:46px;height:46px;border-radius:11px;background:var(--green-soft);color:var(--green);display:grid;place-items:center}
.lesson-ico svg{width:23px;height:23px}
.lesson-body{display:flex;flex-direction:column;gap:.15rem;min-width:0}
.lesson-body b{font-family:var(--font-title);font-size:1.2rem;font-weight:600;color:#fff;line-height:1.2}
.lesson-body small{color:var(--muted);font-size:.98rem;line-height:1.4}
.lesson-go{margin-left:auto;color:var(--orange);font-size:1.8rem;line-height:1;flex-shrink:0}
.lesson-card--quiz .lesson-ico{background:var(--orange-soft);color:var(--orange)}
.fc-steps{list-style:none;padding:0;margin:1rem 0 0;counter-reset:s;display:grid;gap:.6rem}
.fc-steps li{position:relative;padding-left:2.1rem;color:#cfdad5;font-size:1rem;line-height:1.45;counter-increment:s}
.fc-steps li::before{content:counter(s);position:absolute;left:0;top:-.1rem;width:1.5rem;height:1.5rem;border-radius:50%;background:var(--green-soft);color:var(--green);font-family:var(--font-mono);font-size:.85rem;display:grid;place-items:center}

.video--link{display:flex;align-items:center;justify-content:center;gap:1rem;flex-direction:column;text-decoration:none;color:var(--text);background:#05080a}
.video--link .play{position:relative;width:72px;height:72px}
.video-cta{font-family:var(--font-title);font-size:1.2rem;font-weight:600;display:flex;align-items:center;gap:.5rem}
.video-cta svg{width:1em;height:1em}
.lesson-points{margin-top:2rem}
.lesson-points .checks li::before{top:.35em}
.lesson-nav{display:flex;justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--line);flex-wrap:wrap}
.lesson-nav a{text-decoration:none;font-weight:600;color:var(--text);max-width:48%}
.lesson-nav .ln-next{margin-left:auto;text-align:right;color:var(--green)}

/* quiz */
.quiz-start{text-align:center;padding:clamp(2rem,5vw,3rem)}
.quiz-start .ico{width:64px;height:64px;margin:0 auto 1.25rem;border-radius:16px;background:var(--orange-soft);color:var(--orange);display:grid;place-items:center}
.quiz-start .ico svg{width:32px;height:32px}
.quiz-card{padding:clamp(1.5rem,4vw,2.5rem)}
.quiz-top{display:flex;justify-content:space-between;align-items:center;gap:1rem;font-family:var(--font-mono);font-size:.82rem;color:var(--muted);flex-wrap:wrap}
.quiz-cat{color:var(--orange)}
.quiz-bar{height:5px;border-radius:3px;background:var(--line);margin:.9rem 0 1.5rem;overflow:hidden}
.quiz-bar span{display:block;height:100%;background:var(--green);transition:width .3s}
.quiz-card h2{font-size:clamp(1.4rem,2.6vw,1.8rem)}
.quiz-opts{display:grid;gap:.7rem;margin:1.5rem 0}
.quiz-opt{text-align:left;font:inherit;font-size:1.05rem;color:var(--text);background:var(--bg);border:1.5px solid var(--line-2);border-radius:11px;padding:.95rem 1.2rem;cursor:pointer;transition:border-color .15s,background .15s}
.quiz-opt:hover:not(:disabled){border-color:var(--green)}
.quiz-opt:disabled{cursor:default;opacity:.85}
.quiz-opt.is-correct{border-color:var(--green);background:var(--green-soft);color:#bff5d3;opacity:1}
.quiz-opt.is-wrong{border-color:var(--red);background:rgba(255,92,92,.1);color:#ffd0d0}
.quiz-exp{padding:1.1rem 1.25rem;border-radius:11px;font-size:1.02rem;line-height:1.6}
.quiz-exp.is-ok{background:var(--green-soft);border:1px solid var(--green)}
.quiz-exp.is-no{background:rgba(255,92,92,.08);border:1px solid rgba(255,92,92,.5)}
.quiz-exp strong{color:#fff}
.quiz-actions{margin-top:1.5rem}
.quiz-result{text-align:center;padding:clamp(2rem,5vw,3rem)}
.quiz-score{font-family:var(--font-title);margin-bottom:.5rem}
.quiz-score strong{font-size:4rem;color:var(--green);line-height:1}
.quiz-score span{font-size:1.5rem;color:var(--muted)}
.quiz-result .btn-row{justify-content:center}

@media (max-width:900px){
  .course-layout{grid-template-columns:1fr}
  .course-aside{position:static;grid-template-columns:1fr 1fr 1fr;gap:1rem}
}
@media (max-width:720px){
  .course-aside{grid-template-columns:1fr}
  .lesson-body b{font-size:1.25rem}
  .lesson-nav a{max-width:100%}
}

/* video-tile (facade Google Drive nell'area riservata) */
.video-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.9rem;min-height:150px;text-align:center;cursor:pointer;background:#05080a;border:1px solid var(--line-2);font:inherit;color:var(--text)}
.video-tile:hover{border-color:var(--green);transform:translateY(-2px)}
.video-tile .play{width:56px;height:56px;border-radius:50%;background:var(--orange);display:grid;place-items:center;flex-shrink:0}
.video-tile .play svg{width:26px;height:26px;margin-left:4px;fill:#140800}
.video-tile-title{font-family:var(--font-title);font-size:1.1rem;font-weight:600;color:#fff;line-height:1.25}