/* =========================================================================
   MyTutor360 — Foglio di stile condiviso da tutte le pagine del sito.
   Palette Bianco / Nero / Rosso. Nessuna dipendenza esterna oltre ai
   font di Google (caricati nell'<head> di ogni pagina).

   COME MODIFICARE:
   - I colori sono tutte variabili qui sotto (blocco :root): cambiane uno
     e si aggiorna in tutto il sito.
   - I font sono impostati per famiglia: Archivo (titoli), Inter (testo),
     IBM Plex Mono (etichette/bottoni/tag).
   - Ogni sezione è separata da un commento ----------, così ti orienti.
   ========================================================================= */

/* ---------- Variabili di colore (design system) ---------- */

:root{
  --bg: #0A0A0A;                       /* sfondo pagina, nero pieno */
  --panel: #141414;                    /* sfondo card e pannelli */
  --parchment: #F4F4F2;                /* testo principale, bianco caldo */
  --sage: #8C8C8C;                     /* testo secondario, grigio */
  --brass: #E4002B;                    /* accento rosso: CTA, tag, hover, capolettera */
  --brass-dim: #7A0018;                /* rosso scuro: bordi e dettagli */
  --brass-hover: #FF163C;              /* rosso acceso: hover della CTA piena */
  --whatsapp: #3FA772;                 /* verde, SOLO per il bottone WhatsApp */
  --line: rgba(244,244,242,0.12);      /* linea sottile (hairline) */
  --line-strong: rgba(244,244,242,0.26); /* linea più marcata */
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--parchment);
  font-family:'Inter', sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

/* Contenitore centrale. .wrap--narrow serve alle pagine di sola lettura
   (articoli, privacy, cookie) per una riga di testo più corta e leggibile. */
.wrap{
  max-width:920px;
  margin:0 auto;
  padding:0 28px;
}
.wrap--narrow{ max-width:720px; }

section{ scroll-margin-top:80px; }

/* ---------- Nav (sticky in alto) ---------- */

nav{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(14,14,14,0.9);   /* nero semitrasparente, coerente con --panel */
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}

.nav-inner{
  max-width:920px;
  margin:0 auto;
  padding:0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
}

.nav-logo{
  font-family:'Archivo', sans-serif;
  font-weight:600;
  font-size:16px;
  color:var(--parchment);
  text-decoration:none;
}
.nav-logo span{ color:var(--brass); }   /* la parola "Tutor" in rosso */

.nav-links{
  display:flex;
  gap:30px;
  list-style:none;
  margin:0;
  padding:0;
}

.nav-links a{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--sage);
  text-decoration:none;
  transition:color 0.2s ease;
}
.nav-links a:hover{ color:var(--parchment); }

.nav-cta{
  font-family:'IBM Plex Mono', monospace;
  font-size:11.5px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--bg);
  background:var(--brass);
  padding:8px 14px;
  border-radius:3px;
  text-decoration:none;
  white-space:nowrap;
  transition:background 0.15s ease;
}
.nav-cta:hover{ background:var(--brass-hover); }

@media (max-width:760px){ .nav-links{ display:none; } }

/* ---------- Hero (solo home) ---------- */

.hero{
  min-height:calc(100vh - 64px);
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:60px 0 80px;
}

.hero-eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--brass);
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:36px;
  opacity:0;
  animation:rise 0.7s ease forwards;
}
.hero-eyebrow::before{
  content:"";
  width:28px;
  height:1px;
  background:var(--brass);
  display:inline-block;
  flex-shrink:0;
}

.hero-headline{
  font-family:'Archivo', sans-serif;
  font-weight:500;
  font-size:clamp(36px, 6vw, 70px);
  line-height:1.05;
  letter-spacing:-0.02em;
  margin:0 0 44px;
  max-width:15ch;
  color:var(--parchment);
  opacity:0;
  animation:rise 0.8s ease 0.15s forwards;
}
.hero-headline .light-part{ font-weight:400; color:var(--sage); } /* resto della frase, più leggero */

/* Parola rotante: "panico" → "blocco" → "peso".
   Il tempismo è in assets/hero-rotate.js; qui c'è l'aspetto e l'animazione. */
.word-rotate{
  display:inline-block;
  min-width:5.8ch;          /* riserva lo spazio della parola più lunga: niente salti nel layout */
  text-align:left;
  color:var(--parchment);
  font-weight:900;          /* pesantissima, come lo era "peso" */
  white-space:nowrap;
}
.word-rotate__item{
  display:inline-block;
  font-weight:900;
  opacity:1;
  transform:translateY(0);
  transition:transform 450ms cubic-bezier(.4,0,.2,1), opacity 450ms cubic-bezier(.4,0,.2,1);
  will-change:transform, opacity;
}
.word-rotate__item.is-leaving{  transform:translateY(-0.55em); opacity:0; } /* uscita verso l'alto */
.word-rotate__item.is-entering{ transform:translateY(0.55em);  opacity:0; transition:none; } /* partenza dal basso */

@keyframes rise{
  from{ opacity:0; transform:translateY(14px); }
  to{ opacity:1; transform:translateY(0); }
}

.hero-actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  opacity:0;
  animation:rise 0.8s ease 0.3s forwards;
}

/* ---------- Bottoni ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:'IBM Plex Mono', monospace;
  font-size:13px;
  letter-spacing:0.04em;
  text-decoration:none;
  padding:14px 24px;
  border-radius:4px;
  transition:transform 0.15s ease, opacity 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover{ transform:translateY(-2px); }

.btn-primary{
  background:var(--brass);
  color:var(--bg);
  font-weight:500;
}
.btn-primary:hover{ background:var(--brass-hover); }

.btn-ghost{
  background:rgba(255,255,255,0.045);   /* leggero riempimento a riposo */
  color:#f5f4f2;                        /* testo bianco pieno, alto contrasto */
  border:1px solid rgba(255,255,255,0.22); /* bordo più visibile */
}
.btn-ghost:hover{
  background:rgba(255,255,255,0.09);    /* hover: riempimento e bordo si intensificano */
  border-color:rgba(255,255,255,0.35);
  color:#f5f4f2;
}

/* ---------- Header di sezione (eyebrow + titolo + intro) ---------- */

.section-head{ padding:88px 0 48px; }

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12.5px;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--brass);
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:22px;
}
.eyebrow::before{
  content:"";
  width:28px;
  height:1px;
  background:var(--brass);
  display:inline-block;
}

h2.title{
  font-family:'Archivo', sans-serif;
  font-weight:700;
  font-size:clamp(32px, 5vw, 48px);
  line-height:1.1;
  letter-spacing:-0.01em;
  margin:0 0 18px;
  color:var(--parchment);
  max-width:16ch;
}

.section-intro{
  color:var(--sage);
  font-size:17px;
  max-width:54ch;
  margin:0;
}

/* ---------- Chi siamo ---------- */

#chi-siamo{ border-top:1px solid var(--line); }

.founders{ padding-bottom:56px; }

.founder{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:36px;
  padding:40px 0;
}
.founder + .founder{ border-top:1px solid var(--line); }

.founder-name{
  font-family:'Archivo', sans-serif;
  font-weight:600;
  font-size:28px;
  margin:0 0 6px;
}
.founder-role{
  font-family:'IBM Plex Mono', monospace;
  font-size:11.5px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--brass);
}
.founder-bio{ font-size:17px; }
.founder-bio::first-letter{        /* capolettera rosso */
  font-family:'Archivo', sans-serif;
  font-weight:900;
  font-size:58px;
  line-height:0.7;
  float:left;
  padding:6px 10px 0 0;
  color:var(--brass);
}

.researchers{ padding:56px 0 88px; border-top:1px solid var(--line); }
.researchers-label{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.15em;
  text-transform:uppercase;
  color:var(--sage);
  margin-bottom:28px;
}
.researcher-grid{ display:grid; grid-template-columns:1fr 1fr; gap:0 44px; }
.researcher{ padding:24px 0; border-top:1px solid var(--line); }
.researcher-name-row{ display:flex; align-items:baseline; gap:10px; margin-bottom:6px; flex-wrap:wrap; }
.researcher-name{ font-family:'Archivo', sans-serif; font-weight:600; font-size:20px; }
.tag{
  font-family:'IBM Plex Mono', monospace;
  font-size:10.5px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--brass);
  border:1px solid var(--brass-dim);
  border-radius:3px;
  padding:3px 8px;
  white-space:nowrap;
}
.researcher-bio{ font-size:15px; color:var(--sage); max-width:46ch; }

/* ---------- Blog (griglia card) ---------- */

#blog{ border-top:1px solid var(--line); padding-bottom:96px; }

.blog-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;                       /* il gap di 1px + sfondo linea crea l'effetto "schedario" */
  background:var(--line);
  border:1px solid var(--line);
  margin-top:8px;
}
/* Variante a colonna singola: usata nella pagina elenco articoli (blog/index.html) */
.blog-grid--list{ grid-template-columns:1fr; }

.blog-card{
  background:var(--panel);
  padding:28px 24px;
  display:flex;
  flex-direction:column;
  gap:14px;
  text-decoration:none;
  color:var(--parchment);
  transition:background 0.2s ease;
}
.blog-card:hover{ background:#1E1E1E; }   /* leggerissimo schiarimento, niente colori estranei */

.blog-num{
  font-family:'IBM Plex Mono', monospace;
  font-size:11px;
  color:var(--brass);
  letter-spacing:0.05em;
}

.blog-title{
  font-family:'Archivo', sans-serif;
  font-weight:600;
  font-size:19px;
  line-height:1.3;
  margin:0;
}

.blog-excerpt{
  font-size:14px;
  color:var(--sage);
  margin:0;
  flex-grow:1;
}

.blog-read{
  font-family:'IBM Plex Mono', monospace;
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--brass);
  margin-top:auto;
}
/* Etichetta per gli articoli non ancora pubblicati: grigia, non rossa */
.blog-read--soon{ color:var(--sage); }

.blog-footer{ margin-top:32px; }
.blog-footer a{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--sage);
  text-decoration:none;
  border-bottom:1px solid var(--line-strong);
  padding-bottom:3px;
}
.blog-footer a:hover{ color:var(--brass); border-color:var(--brass); }

/* ---------- Contatti ---------- */

#contatti{ border-top:1px solid var(--line); padding-bottom:100px; }

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  margin-top:16px;
}

.contact-card{
  background:var(--panel);
  padding:38px 32px;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.contact-label{
  font-family:'IBM Plex Mono', monospace;
  font-size:11px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--brass);
}

.contact-detail{
  font-family:'Archivo', sans-serif;
  font-weight:500;
  font-size:21px;
  line-height:1.3;
}

.contact-note{ font-size:14px; color:var(--sage); margin:0; }

.btn-whatsapp{ background:var(--whatsapp); color:#0F1C15; font-weight:500; margin-top:4px; }
.btn-whatsapp svg{ width:16px; height:16px; fill:#0F1C15; }

.btn-outline{ background:transparent; border:1px solid var(--line-strong); color:var(--parchment); margin-top:4px; }
.btn-outline svg{ width:15px; height:15px; fill:var(--parchment); }
.btn-outline:hover{ border-color:var(--brass); }

.contact-footer-note{
  font-family:'IBM Plex Mono', monospace;
  font-size:11.5px;
  color:var(--sage);
  margin-top:26px;
}

/* ---------- Pagine interne: intestazione e link "indietro" ---------- */

.page-head{ padding:72px 0 40px; }
.page-head .title{ max-width:22ch; }

.back-link{
  display:inline-block;
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--sage);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:3px;
  transition:color 0.2s ease, border-color 0.2s ease;
}
.back-link:hover{ color:var(--brass); border-color:var(--brass); }

/* ---------- Blog: pagina del singolo articolo ---------- */

.article{ padding-bottom:96px; }

/* Riquadro "articolo in arrivo": bordo rosso a sinistra per farsi notare */
.article-notice{
  border:1px solid var(--brass-dim);
  border-left:3px solid var(--brass);
  background:var(--panel);
  padding:22px 24px;
  margin:8px 0 40px;
}
.article-notice p{ margin:0; color:var(--sage); font-size:15px; }
.article-notice strong{ color:var(--parchment); font-weight:600; }

/* Titolo lungo di un articolo vero: usa tutta la larghezza della colonna */
.article .page-head .title{ max-width:none; }

/* Intro / occhiello dell'articolo (le prime righe, più grandi e in grigio) */
.article-lead{ font-size:19px; color:var(--sage); max-width:62ch; margin-bottom:8px; }
.article-lead p{ margin:0 0 18px; }

/* Corpo dell'articolo: qui va il testo vero (paragrafi, sottotitoli, elenchi) */
.article-body{ color:var(--parchment); font-size:17px; max-width:66ch; }
.article-body p{ margin:0 0 20px; }
.article-body h2{
  font-family:'Archivo', sans-serif;
  font-weight:700;
  font-size:26px;
  line-height:1.2;
  letter-spacing:-0.01em;
  margin:48px 0 14px;
  color:var(--parchment);
}
.article-body h3{
  font-family:'Archivo', sans-serif;
  font-weight:600;
  font-size:19px;
  margin:32px 0 10px;
  color:var(--parchment);
}
.article-body ul{ padding-left:22px; margin:0 0 20px; }
.article-body li{ margin-bottom:10px; }
.article-body strong{ color:var(--parchment); font-weight:600; }
.article-body a{ color:var(--brass); text-decoration:none; border-bottom:1px solid var(--brass-dim); }
.article-body a:hover{ border-color:var(--brass); }

/* ---------- "Continua a leggere" (in fondo a ogni articolo) ---------- */

.read-next{ margin-top:72px; padding-top:36px; border-top:1px solid var(--line-strong); }
.read-next__label{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.15em;
  text-transform:uppercase;
  color:var(--sage);
  margin-bottom:6px;
}
/* Ogni voce è una riga con hairline divider, coerente con l'elenco del team */
.read-next__item{
  display:block;
  padding:22px 0;
  border-top:1px solid var(--line);
  text-decoration:none;
  color:var(--parchment);
}
.read-next__title{
  font-family:'Archivo', sans-serif;
  font-weight:600;
  font-size:18px;
  line-height:1.3;
  margin:0 0 4px;
  transition:color 0.2s ease;
}
.read-next__desc{ font-size:14px; color:var(--sage); margin:0; }
.read-next__item:hover .read-next__title{ color:var(--brass); }

/* ---------- Pagine legali (privacy, cookie) ---------- */

.legal{ padding-bottom:96px; }

.legal h2{
  font-family:'Archivo', sans-serif;
  font-weight:700;
  font-size:22px;
  line-height:1.25;
  margin:44px 0 12px;
  color:var(--parchment);
}
.legal h3{
  font-family:'Archivo', sans-serif;
  font-weight:600;
  font-size:17px;
  margin:26px 0 8px;
  color:var(--parchment);
}
.legal p, .legal li{ color:var(--sage); font-size:16px; }
.legal a{ color:var(--brass); text-decoration:none; border-bottom:1px solid var(--brass-dim); }
.legal a:hover{ border-color:var(--brass); }
.legal ul{ padding-left:20px; margin:0 0 20px; }
.legal li{ margin-bottom:8px; }

/* Data di aggiornamento, in mono e piccola */
.legal-updated{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.04em;
  color:var(--sage);
  margin-top:6px;
}

/* Riquadro con i dati del titolare (da compilare) */
.legal-meta{
  border:1px solid var(--line);
  background:var(--panel);
  padding:20px 24px;
  margin:12px 0 20px;
  font-size:15px;
}
.legal-meta p{ margin:4px 0; }

/* Nota finale: "questa è una bozza, falla controllare da un legale" */
.legal-draft-note{
  border:1px solid var(--brass-dim);
  border-left:3px solid var(--brass);
  background:var(--panel);
  padding:20px 24px;
  margin-top:48px;
  font-size:15px;
  color:var(--sage);
}
.legal-draft-note strong{ color:var(--parchment); }

/* ---------- Footer ---------- */

footer{ border-top:1px solid var(--line); }

.footer-inner{
  max-width:920px;
  margin:0 auto;
  padding:28px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}

.footer-copy{
  font-family:'IBM Plex Mono', monospace;
  font-size:11.5px;
  color:var(--sage);
  letter-spacing:0.02em;
}

.footer-links{
  display:flex;
  gap:22px;
  list-style:none;
  margin:0;
  padding:0;
}

.footer-links a{
  font-family:'IBM Plex Mono', monospace;
  font-size:11.5px;
  letter-spacing:0.04em;
  color:var(--sage);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color 0.2s ease, border-color 0.2s ease;
}
.footer-links a:hover{ color:var(--brass); border-color:var(--brass); }

/* ---------- Cookie banner (iniettato da assets/cookie-consent.js) ---------- */

.cookie-banner{
  position:fixed;
  left:0; right:0; bottom:0;
  z-index:100;
  background:var(--panel);
  border-top:1px solid var(--line-strong);
  padding:18px 20px;
  animation:cookie-rise 0.4s ease;
}
@keyframes cookie-rise{
  from{ transform:translateY(100%); }
  to{ transform:translateY(0); }
}

.cookie-banner__inner{
  max-width:920px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}

.cookie-banner__text{
  font-size:13.5px;
  color:var(--sage);
  margin:0;
  max-width:62ch;
}
.cookie-banner__text a{
  color:var(--brass);
  text-decoration:none;
  border-bottom:1px solid var(--brass-dim);
}
.cookie-banner__text a:hover{ border-color:var(--brass); }

.cookie-banner__actions{ display:flex; gap:12px; flex-shrink:0; }

.cookie-btn{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.04em;
  text-transform:uppercase;
  padding:10px 18px;
  border-radius:4px;
  cursor:pointer;
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--parchment);
  transition:transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.cookie-btn:hover{ transform:translateY(-1px); }
.cookie-btn--reject:hover{ border-color:var(--brass); }
.cookie-btn--accept{
  background:var(--brass);
  border-color:var(--brass);
  color:var(--bg);
  font-weight:500;
}
.cookie-btn--accept:hover{ background:var(--brass-hover); border-color:var(--brass-hover); }

@media (max-width:560px){
  .cookie-banner__inner{ align-items:stretch; }
  .cookie-banner__actions{ width:100%; }
  .cookie-btn{ flex:1; }
}

/* ---------- Responsive: da 2/3 colonne a colonna singola ---------- */

@media (max-width: 760px){
  .founder{ grid-template-columns:1fr; gap:12px; }
  .researcher-grid{ grid-template-columns:1fr; }
  .blog-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
}

@media (max-width:520px){
  .footer-inner{ flex-direction:column; align-items:flex-start; }
}

/* ---------- Accessibilità ---------- */

/* Contorno ben visibile per chi naviga da tastiera */
:focus-visible{ outline:2px solid var(--brass); outline-offset:3px; }

/* Rispetta la preferenza di sistema "riduci le animazioni" */
@media (prefers-reduced-motion: reduce){
  .hero-eyebrow, .hero-headline, .hero-actions{ opacity:1; animation:none; }
  .cookie-banner{ animation:none; }
  .word-rotate__item{ transition:none; }   /* niente rotazione: resta "peso" fisso */
  html{ scroll-behavior:auto; }
}
