/* ==========================================================================
   SocialPro — Home "Noir" (ottobre 2026)
   Estetica editoriale scura: nero caldo, testo avorio, un solo accento
   arancio, titoli compatti e etichette di sezione a pennello.
   Cambia solo l'aspetto: testi, link e struttura della pagina restano invariati.
   ========================================================================== */
:root {
  --bg: #0E0E0F; --bg-2: #141416; --bg-3: #1B1B1E;
  --fg: #F4F2EE; --dim: #9A978F; --faint: #5C5A55;
  --line: #242427; --line-strong: #34343A;
  --accent: #FF4D00; --accent-dark: #E04400; --paper: #E6E0D6;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Inter, Arial, sans-serif;
  --brush: "Permanent Marker", "Helvetica Neue", Helvetica, sans-serif;
  /* Nomi storici, rimappati */
  --ink: var(--fg); --coral: var(--accent); --sun: var(--accent); --text: var(--fg); --muted: var(--dim);
  --surface: var(--bg-2); --display: var(--sans); --body: var(--sans);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; text-size-adjust: 100%; color-scheme: dark; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--sans); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.wrap { width: min(1120px, calc(100% - 56px)); margin-inline: auto; }
.academic-skip { position: fixed; top: 12px; left: 16px; transform: translateY(-180%); background: var(--accent); color: var(--bg); padding: 10px 18px; z-index: 200; font-weight: 700; }
.academic-skip:focus { transform: none; }

/* Elementi comuni */
.eyebrow { display: inline-block; font-family: var(--brush); font-size: 1.6rem; font-weight: 400; line-height: 1; color: var(--accent); letter-spacing: .01em; }
.eyebrow.on-dark { color: var(--accent); }
.display { font-family: var(--sans); font-weight: 700; letter-spacing: -.035em; color: var(--fg); text-wrap: balance; margin: 0; }
.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head.center { text-align: left; margin-inline: 0; }
.section-head h2 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1; margin: 22px 0 16px; }
.section-head p { font-size: 1.15rem; line-height: 1.5; color: var(--dim); margin: 0; max-width: 36em; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px; border-radius: 2px; font-weight: 700; font-size: 1rem; letter-spacing: -.01em; border: 1px solid transparent; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.button i { font-size: .85em; transition: transform .2s ease; }
.button:hover i { transform: translateX(3px); }
.button-primary { background: var(--accent); color: var(--bg); }
.button-primary:hover { background: var(--fg); color: var(--bg); }
.button-secondary { background: transparent; color: var(--fg); border-color: var(--line-strong); }
.button-secondary:hover { border-color: var(--fg); color: var(--fg); }
.button-light { background: var(--fg); color: var(--bg); }
.button-light:hover { background: var(--accent); color: var(--bg); }
.button-dark { background: var(--bg); color: var(--fg); border-color: var(--line-strong); }
.button-dark:hover { border-color: var(--fg); }

/* Barra notizie */
.top-note { border-bottom: 1px solid var(--line); color: var(--dim); font-size: .84rem; }
.top-note .wrap { min-height: 38px; display: flex; align-items: center; justify-content: center; gap: 10px; text-align: center; padding-block: 6px; }
.top-note i { color: var(--accent); }
.top-note a { color: var(--fg); font-weight: 700; text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 3px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 80; padding: 18px 0; background: rgba(14,14,15,.82); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: border-color .2s, padding .2s; }
.site-header.is-scrolled { border-bottom-color: var(--line); padding: 12px 0; }
.site-header nav { display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 176px; height: auto; content: url("../images/logo-white.svg?v=20261024"); }
.nav-main { display: flex; align-items: center; gap: 24px; }
.nav-main > a { font-size: .94rem; font-weight: 500; color: var(--dim); transition: color .2s; }
.nav-main > a:hover { color: var(--fg); }
.nav-actions { display: flex; align-items: center; gap: 18px; }
.nav-login { font-weight: 500; font-size: .94rem; color: var(--fg); }
.nav-login:hover { color: var(--accent); }
.nav-register { color: var(--fg); font-weight: 700; font-size: .94rem; padding-bottom: 2px; border-bottom: 2px solid var(--accent); transition: color .2s; }
.nav-register:hover { color: var(--accent); }
.menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid var(--line-strong); border-radius: 2px; background: transparent; color: var(--fg); cursor: pointer; font-size: 1.05rem; }
.mobile-menu { display: none; max-height: calc(100dvh - 80px); overflow-y: auto; overscroll-behavior: contain; border-top: 1px solid var(--line); margin-top: 12px; }
.mobile-menu .wrap { padding: 8px 0 22px; display: grid; }
.mobile-menu a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--fg); font-weight: 700; font-size: 1.3rem; letter-spacing: -.02em; }
.mobile-menu a:hover { color: var(--accent); }
.mobile-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
.mobile-actions a { text-align: center; border: 1px solid var(--line-strong); font-size: 1rem; padding: 13px 0; }
.mobile-actions a:last-child { background: var(--accent); color: var(--bg); border-color: var(--accent); }

/* Hero */
.hero { position: relative; padding: 72px 0 0; isolation: isolate; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 28px; font-size: .94rem; color: var(--dim); }
.hero-chips span + span::before { content: "/"; color: var(--faint); padding: 0 10px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 64px; align-items: end; }
.hero-copy .eyebrow { font-size: 1.5rem; }
.hero-copy h1 { font-size: clamp(2.6rem, 6.2vw, 4.75rem); line-height: .98; letter-spacing: -.04em; margin: 22px 0 30px; }
.hero-copy h1 em { font-style: normal; color: var(--accent); }
.hero-lead { font-size: 1.35rem; line-height: 1.4; letter-spacing: -.01em; color: var(--fg); max-width: 30em; margin: 0; }
.hero-lead strong { color: var(--fg); font-weight: 700; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-assurance { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 26px; color: var(--dim); font-size: .92rem; }
.hero-assurance span { display: inline-flex; align-items: center; gap: 8px; }
.hero-assurance i { color: var(--accent); font-size: .8em; }

.hero-visual { position: relative; }
.hero-frame { position: relative; overflow: hidden; background: var(--bg-2); }
.hero-frame img { width: 100%; height: 520px; object-fit: cover; object-position: center 40%; filter: saturate(.85) contrast(1.05); }
.hero-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(14,14,15,.85)); pointer-events: none; }
.academic-image-caption { position: absolute; z-index: 1; left: 18px; right: 18px; bottom: 16px; display: flex; justify-content: space-between; gap: 14px; color: var(--fg); font-size: .82rem; font-weight: 500; }
.academic-image-caption span:last-child { color: var(--dim); font-variant-numeric: tabular-nums; }
.floating-card { position: absolute; z-index: 2; background: var(--bg); border: 1px solid var(--line-strong); }
.floating-community { right: -18px; top: 28px; padding: 12px 16px 12px 12px; display: flex; align-items: center; gap: 12px; }
.floating-community .icon { width: 38px; height: 38px; background: var(--accent); color: var(--bg); display: grid; place-items: center; }
.floating-community strong { display: block; color: var(--fg); font-size: .9rem; }
.floating-community small { color: var(--dim); font-size: .8rem; }
.floating-course { left: -36px; bottom: 76px; width: 250px; padding: 16px 18px; }
.floating-label { font-size: .78rem; color: var(--dim); }
.floating-course strong { display: block; color: var(--fg); font-size: 1.05rem; line-height: 1.25; margin: 6px 0 14px; letter-spacing: -.015em; }
.progress { height: 3px; background: var(--line-strong); overflow: hidden; }
.progress span { display: block; width: 78%; height: 100%; background: var(--accent); }

.academic-index { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 34px; margin-top: 64px; padding: 26px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.academic-index > span { font-size: .9rem; color: var(--dim); }
.academic-index a { display: inline-flex; gap: 8px; align-items: baseline; font-weight: 700; font-size: 1.1rem; letter-spacing: -.02em; color: var(--fg); transition: color .2s; }
.academic-index a:hover { color: var(--accent); }
.academic-index small { font-size: .78rem; font-weight: 500; color: var(--dim); font-variant-numeric: tabular-nums; }

/* Numeri */
.proof { padding: 0 0 24px; }
.proof-panel { display: flex; flex-wrap: wrap; align-items: baseline; gap: 14px 40px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.proof-intro { flex: 1 1 100%; font-weight: 700; font-size: 1.1rem; letter-spacing: -.015em; color: var(--fg); }
.proof-intro span { display: inline; font-weight: 400; color: var(--dim); margin-left: 8px; font-size: .95rem; letter-spacing: 0; }
.proof-stat { display: flex; align-items: baseline; gap: 9px; }
.proof-stat strong { font-size: 1.6rem; line-height: 1; font-weight: 700; letter-spacing: -.03em; color: var(--fg); }
.proof-stat span { font-size: .92rem; color: var(--dim); }
.proof-stat:nth-child(2) strong { color: var(--accent); }

/* Sezioni */
.audience, .ecosystem, .method, .opportunity { padding: 88px 0 8px; }

/* Percorsi */
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px 26px; }
.audience-card { display: flex; flex-direction: column; color: var(--fg); }
.audience-card .media { overflow: hidden; background: var(--bg-2); }
.audience-card img { width: 100%; aspect-ratio: 4 / 3; height: auto; object-fit: cover; object-position: center 35%; filter: saturate(.85); transition: transform .5s ease, filter .3s; }
.audience-card:hover img { transform: scale(1.03); filter: saturate(1); }
.audience-content { padding: 16px 0 0; display: flex; flex-direction: column; flex: 1; }
.audience-number { font-size: .82rem; color: var(--dim); font-variant-numeric: tabular-nums; }
.audience-content h3 { font-size: 1.4rem; font-weight: 700; letter-spacing: -.025em; color: var(--fg); margin: 6px 0 6px; transition: color .2s; }
.audience-card:hover h3 { color: var(--accent); }
.audience-content p { color: var(--dim); font-size: 1rem; line-height: 1.5; margin: 0 0 14px; }
.audience-link { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; color: var(--fg); font-weight: 500; font-size: .94rem; }
.audience-link i { font-size: .8em; transition: transform .2s; }
.audience-card:hover .audience-link i { transform: translateX(3px); }

/* Ecosistema */
.bento { display: grid; grid-template-columns: 1.1fr .9fr; gap: 0; border-top: 1px solid var(--line); }
.bento-main { display: flex; flex-direction: column; align-items: flex-start; padding: 36px 48px 40px 0; border-right: 1px solid var(--line); }
.bento-main .eyebrow { font-size: 1.3rem; }
.bento-main h3 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); line-height: 1; font-weight: 700; letter-spacing: -.035em; margin: 20px 0 16px; max-width: 12em; }
.bento-main p { color: var(--dim); font-size: 1.08rem; line-height: 1.5; max-width: 30em; margin: 0 0 30px; }
.bento-main .button { margin-top: auto; }
.bento-side { display: grid; grid-template-rows: 1fr 1fr; }
.bento-card { display: grid; grid-template-columns: 40px 1fr; gap: 18px; align-content: center; padding: 32px 0 32px 40px; }
.bento-card + .bento-card { border-top: 1px solid var(--line); }
.bento-icon { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line-strong); color: var(--accent); font-size: 1rem; }
.bento-card h3 { font-size: 1.3rem; font-weight: 700; letter-spacing: -.02em; margin: 4px 0 6px; }
.bento-card p { color: var(--dim); line-height: 1.5; margin: 0; font-size: 1rem; }
.bento-card a { display: inline-flex; align-items: center; gap: 8px; color: var(--fg); font-weight: 500; font-size: .94rem; margin-top: 12px; }
.bento-card a:hover { color: var(--accent); }
.bento-card a i { font-size: .8em; }

/* Metodo */
.steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 56px; }
.step { position: relative; padding-top: 20px; border-top: 1px solid var(--line); }
.step-number { display: block; font-size: .85rem; font-weight: 500; color: var(--accent); margin-bottom: 10px; font-variant-numeric: tabular-nums; }
.step-number::before { content: "0"; }
.step h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -.015em; margin: 0 0 6px; }
.step p { color: var(--dim); font-size: 1rem; line-height: 1.5; margin: 0; max-width: 36em; }

/* Opportunità */
.opportunity-panel { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; }
.opportunity-panel h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); line-height: 1.02; font-weight: 700; letter-spacing: -.035em; margin: 22px 0 12px; max-width: 16em; }
.opportunity-panel p { color: var(--dim); line-height: 1.5; margin: 0; max-width: 36em; font-size: 1.05rem; }
.opportunity-actions { display: flex; flex-direction: column; gap: 10px; }

/* CTA finale */
.final-cta { padding: 110px 0 40px; }
.final-card { padding: 56px 0 0; border-top: 1px solid var(--line); }
.final-mark { width: 44px; height: 44px; margin: 0 0 26px; }
.final-card h2 { font-size: clamp(2.2rem, 5.4vw, 4.2rem); line-height: .98; letter-spacing: -.04em; margin: 0 0 18px; max-width: 13em; }
.final-card p { font-size: 1.2rem; color: var(--dim); line-height: 1.45; max-width: 34em; margin: 0; }
.final-card .button { margin-top: 30px; }

/* Footer */
footer { margin-top: 64px; border-top: 1px solid var(--line); padding: 44px 0 0; color: var(--dim); font-size: .94rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
.footer-brand img { width: 170px; }
.footer-brand p { max-width: 340px; line-height: 1.55; margin: 18px 0 0; }
.footer-social { display: flex; gap: 22px; margin-top: 20px; }
.footer-social a { color: var(--fg); font-size: 1.05rem; transition: color .2s; }
.footer-social a:hover { color: var(--accent); }
footer h4 { font-family: var(--brush); font-weight: 400; font-size: 1.2rem; color: var(--accent); margin: 4px 0 16px; }
footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
footer li, footer a { color: var(--fg); }
footer a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 48px; padding: 24px 0 64px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: .82rem; color: var(--faint); }
.footer-bottom .legal-note { display: flex; flex-direction: column; gap: 4px; }
.footer-bottom small { font-size: .78rem; line-height: 1.5; color: var(--faint); }
.footer-bottom .legal-links { display: flex; gap: 20px; }
.footer-bottom a { color: var(--dim); }

/* Comparsa progressiva */
.js-reveal .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js-reveal .reveal.visible { opacity: 1; transform: none; }
:is(.audience,.ecosystem,.method,.opportunity) { scroll-margin-top: 90px; }
#main-content { scroll-margin-top: 90px; outline: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js-reveal .reveal { opacity: 1; transform: none; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (max-width: 1180px) {
  .nav-main, .nav-desktop { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-menu.is-open { display: block; }
}
@media (min-width: 1181px) { .mobile-menu { display: none !important; } }
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 560px; }
  .floating-course { left: 16px; }
  .floating-community { right: 16px; }
  .audience-grid { grid-template-columns: 1fr 1fr; }
  .bento { grid-template-columns: 1fr; }
  .bento-main { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .bento-card { padding-left: 0; }
  .opportunity-panel { grid-template-columns: 1fr; align-items: start; }
  .opportunity-actions { flex-direction: row; flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .footer-brand { grid-column: 1 / -1; }
}
/* iPad verticale e tablet: testo e immagine affiancati, tre aree in riga */
@media (min-width: 761px) and (max-width: 1180px) {
  .wrap { width: calc(100% - 64px); }
  .mobile-menu .wrap { grid-template-columns: 1fr 1fr; column-gap: 32px; }
  .mobile-actions { grid-column: 1 / -1; }
}
@media (min-width: 761px) and (max-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) 280px; gap: 36px; align-items: center; }
  .hero-copy h1 { font-size: clamp(2.6rem, 6.4vw, 3.4rem); }
  .hero-lead { font-size: 1.15rem; }
  .hero-frame img { height: 440px; }
  .floating-community { display: none; }
  .floating-course { left: -20px; bottom: 96px; width: 210px; }
  .audience-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px 20px; }
  .audience-content h3 { font-size: 1.2rem; }
  .bento { grid-template-columns: 1fr 1fr; }
  .bento-main { padding-right: 32px; border-right: 1px solid var(--line); border-bottom: 0; }
  .bento-card { padding-left: 28px; grid-template-columns: 1fr; gap: 12px; }
  .opportunity-panel { grid-template-columns: 1fr auto; align-items: end; }
  .opportunity-actions { flex-direction: column; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .menu-toggle { width: 46px; height: 46px; }
  .mobile-menu a { padding: 15px 0; }
  .hero-chips span + span::before { content: none; }
  .hero-chips { flex-direction: column; gap: 4px; }
  .footer-grid a { display: inline-block; padding-block: 3px; }
  .wrap { width: calc(100% - 32px); }
  .brand img { width: 150px; }
  .site-header { padding: 12px 0; }
  .hero { padding-top: 44px; }
  .hero-copy h1 { font-size: clamp(2.5rem, 11vw, 3.4rem); }
  .hero-lead { font-size: 1.15rem; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .hero-frame img { height: 400px; }
  .academic-index { margin-top: 48px; gap: 12px 24px; }
  .academic-index > span { width: 100%; }
  .proof-stat strong { font-size: 1.35rem; }
  .audience, .ecosystem, .method, .opportunity { padding-top: 64px; }
  .audience-grid, .steps { grid-template-columns: 1fr; }
  .eyebrow { font-size: 1.4rem; }
  .opportunity-actions { display: grid; }
  .final-cta { padding-top: 80px; }
}
@media (max-width: 470px) {
  .floating-community { display: none; }
  .floating-course { left: 12px; bottom: 60px; width: 220px; }
  .hero-frame img { height: 360px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}