/* =========================================================
   4EVENT — layout alternativo "wow" ispirato a crazymilano.com
   Dark mode, tipografia Syne, accento blu elettrico.
   ========================================================= */

:root {
  --bg: #08080a;
  --bg-soft: #111114;
  --card-bg: #111115;
  --card-bg-2: #16161b;
  --border: #232329;
  --text: #f5f5f7;
  --muted: #9a9aa4;
  --accent: #3860ff;
  --accent-2: #7b8cff;
  --radius-pill: 999px;
  --radius-card: 20px;
  --max-width: 1240px;
  font-size: 16px;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Syne', 'Segoe UI', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.no-scroll { overflow: hidden; }

img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.eyebrow::before { content: "—"; color: var(--accent); }

.section-lede { color: var(--muted); max-width: 520px; font-size: 1.02rem; }

section { padding: 4.5rem 0; }
.section-head {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

/* ---------------- Skip link ---------------- */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #fff; padding: 0.75rem 1rem; z-index: 500;
}
.skip-link:focus { left: 0; }

/* ---------------- Header ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(8, 8, 10, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand-mark { width: 30px; height: 30px; }
.brand-word { font-size: 1.15rem; font-weight: 800; letter-spacing: 0.02em; color: var(--text); }

.nav-toggle {
  display: flex; flex-direction: column; justify-content: space-between;
  width: 28px; height: 20px; background: none; border: none; cursor: pointer; padding: 0;
}
.nav-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.25s ease, opacity 0.25s ease; }
.nav-toggle.is-active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

.main-nav {
  position: fixed; top: 0; right: -100%; width: min(85%, 340px); height: 100%;
  background: var(--bg-soft); border-left: 1px solid var(--border);
  padding: 5.5rem 1.5rem 2rem; overflow-y: auto; transition: right 0.3s ease; z-index: 199;
}
.main-nav.is-open { right: 0; }
.main-nav > ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.25rem; }
.main-nav a {
  display: block; padding: 0.75rem 0.25rem; color: var(--text);
  text-transform: uppercase; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border); text-decoration: none;
}
.main-nav a:hover { color: var(--accent-2); }

.dropdown-toggle {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  background: none; border: none; border-bottom: 1px solid var(--border);
  padding: 0.75rem 0.25rem; font: inherit; text-transform: uppercase; font-size: 0.85rem;
  font-weight: 700; letter-spacing: 0.08em; color: var(--text); cursor: pointer;
}
.chevron { width: 10px; height: 8px; transition: transform 0.2s ease; }
.has-dropdown.is-open .chevron { transform: rotate(180deg); }

.dropdown-menu { margin: 0; padding: 0 0 0.5rem 0.75rem; max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.has-dropdown.is-open .dropdown-menu { max-height: 1400px; }
.mega-group + .mega-group { margin-top: 0.5rem; padding-top: 0.5rem; border-top: 1px solid var(--border); }
.mega-group-title { display: block; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 700; color: var(--accent-2); margin: 0.4rem 0 0.15rem; }
.mega-group ul { list-style: none; margin: 0; padding: 0; }
.mega-group a { text-transform: none; font-weight: 500; font-size: 0.85rem; letter-spacing: 0; padding: 0.4rem 0.25rem; border-bottom: none; }

.nav-cta {
  background: var(--accent) !important;
  color: #fff !important;
  border-radius: var(--radius-pill);
  text-align: center;
  margin-top: 0.75rem;
  border-bottom: none !important;
  box-shadow: 0 8px 24px -6px rgba(56, 96, 255, 0.6);
}

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

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.9rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-pill:hover { transform: translateY(-2px); text-decoration: none; }
.btn-solid { background: var(--accent); color: #fff; box-shadow: 0 10px 28px -8px rgba(56, 96, 255, 0.7); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent-2); color: var(--accent-2); }

/* ---------------- Hero ---------------- */

.hero {
  position: relative;
  padding: 5rem 0 3rem;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(56, 96, 255, 0.25), transparent 60%),
    var(--bg);
}
.hero h1 {
  font-size: clamp(3rem, 12vw, 7rem);
  margin: 0.1em 0;
}
.hero .hero-sub {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  margin: 0 auto 1rem;
  max-width: 640px;
}
.hero .hero-tagline { color: var(--muted); max-width: 520px; margin: 0 auto 2rem; }
.hero .cta-row { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; margin-bottom: 3rem; }

/* Video di sfondo (hero home): copre l'intera sezione, dissolve verso --bg prima delle statistiche */
.hero-has-video { padding-top: 7rem; }
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-video-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(8, 8, 10, 0.45) 0%, rgba(8, 8, 10, 0.8) 65%, var(--bg) 100%);
}
.hero-has-video .container,
.hero-has-video .stats-row { position: relative; z-index: 2; }

.stats-row {
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
.stat-item { padding: 1.5rem 1rem; text-align: center; border-right: 1px solid var(--border); }
.stat-item:last-child { border-right: none; }
.stat-value { font-size: clamp(1.8rem, 5vw, 2.6rem); font-weight: 800; color: var(--text); }
.stat-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }

/* ---------------- Marquee ---------------- */

.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 1.1rem 0;
  white-space: nowrap;
}
.marquee-track { display: inline-flex; animation: marquee 28s linear infinite; }
.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--muted);
  font-size: 0.95rem;
}
.marquee-track span::after { content: "✦"; color: var(--accent); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------------- Manifesto ---------------- */

.manifesto { text-align: center; }
.manifesto h2 { font-size: clamp(2.2rem, 6vw, 4rem); max-width: 900px; margin: 0 auto 1.5rem; }
.manifesto p { color: var(--muted); max-width: 680px; margin: 0 auto 2rem; }
.tag-row { display: flex; gap: 0.75rem; flex-wrap: wrap; justify-content: center; }
.tag-pill {
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0.5rem 1.1rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--text);
}
.tag-pill:hover { border-color: var(--accent-2); color: var(--accent-2); text-decoration: none; }

/* ---------------- Feature cards ---------------- */

.feature-grid { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-card); overflow: hidden; }
.feature-card { background: var(--card-bg); padding: 2rem; }
.feature-icon { width: 34px; height: 34px; color: var(--accent-2); margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: 0.6rem; }
.feature-card p { color: var(--muted); margin: 0; font-size: 0.92rem; }

/* ---------------- Progetti / categorie ---------------- */

.projects-head { display: flex; flex-direction: column; gap: 1.5rem; justify-content: space-between; margin-bottom: 2.5rem; }
.projects-head h2 { font-size: clamp(2.5rem, 8vw, 4.5rem); margin: 0; }

.projects-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.project-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--card-bg);
  display: block;
}
.project-card img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover img { transform: scale(1.06); }
.project-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,8,10,0) 35%, rgba(8,8,10,0.92) 100%);
}
.project-card-index {
  position: absolute; top: 1rem; left: 1rem; z-index: 2;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; color: #fff;
  background: rgba(8,8,10,0.55); border: 1px solid rgba(255,255,255,0.25);
  padding: 0.3rem 0.65rem; border-radius: var(--radius-pill);
}
.project-card-body { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 1.5rem; }
.project-card-group { display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent-2); font-weight: 700; margin-bottom: 0.4rem; }
.project-card-title { font-size: 1.5rem; color: #fff; margin: 0; }

/* ---------------- Tre/quattro mondi ---------------- */

.worlds-list { display: flex; flex-direction: column; gap: 0; }
.world-item { display: grid; grid-template-columns: 1fr; gap: 1rem; padding: 2.5rem 0; border-bottom: 1px solid var(--border); }
.world-index { font-size: 0.8rem; color: var(--muted); font-weight: 700; letter-spacing: 0.1em; }
.world-eyebrow { color: var(--accent-2); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin: 0.5rem 0; }
.world-item h3 { font-size: clamp(1.6rem, 5vw, 2.4rem); margin: 0 0 0.75rem; }
.world-item p { color: var(--muted); max-width: 560px; margin: 0 0 1rem; }

/* ---------------- CTA finale ---------------- */

.cta-band {
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-band h2 { font-size: clamp(2.2rem, 7vw, 4rem); margin-bottom: 1rem; }
.cta-band p { color: var(--muted); margin-bottom: 2rem; }
.cta-contacts { margin-top: 1.5rem; color: var(--muted); font-size: 0.9rem; }
.cta-contacts a { color: var(--text); }

/* ---------------- Servizi (pagina emozionale) ---------------- */

.services-grid { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-card); overflow: hidden; }
.service-card { background: var(--card-bg); padding: 1.75rem; }
.service-card .service-index { color: var(--accent-2); font-weight: 700; font-size: 0.8rem; letter-spacing: 0.08em; }
.service-card h3 { font-size: 1.05rem; margin: 0.5rem 0 0.6rem; }
.service-card p { color: var(--muted); margin: 0; font-size: 0.92rem; }

/* ---------------- Gallery / immagini per categoria ---------------- */

.gallery-filter { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; margin-bottom: 2.5rem; }
.gallery-filter button {
  border: 1px solid var(--border); background: transparent; color: var(--text);
  padding: 0.55rem 1.1rem; border-radius: var(--radius-pill); cursor: pointer;
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700;
}
.gallery-filter button.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }

.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem; }
.gallery-item { position: relative; border-radius: var(--radius-card); overflow: hidden; cursor: pointer; background: var(--card-bg); border: 1px solid var(--border); }
.gallery-item img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; transition: transform 0.4s ease; }
.gallery-item:hover img { transform: scale(1.06); }

.image-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.image-card { position: relative; border-radius: var(--radius-card); overflow: hidden; cursor: pointer; background: var(--card-bg); border: 1px solid var(--border); }
.image-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.image-card figcaption { padding: 0.85rem 1rem; font-size: 0.85rem; color: var(--muted); }

/* ---------------- Pagina categoria ---------------- */

.category-hero { text-align: center; padding-bottom: 2.5rem; }
.category-hero h1 { font-size: clamp(2.5rem, 10vw, 5.5rem); }
.category-meta { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; color: var(--muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-top: 1rem; }

/* ---------------- Lightbox ---------------- */

.lightbox {
  position: fixed; inset: 0; background: rgba(4, 4, 6, 0.95);
  display: none; align-items: center; justify-content: center; z-index: 300; padding: 1rem;
}
.lightbox.is-open { display: flex; }
.lightbox-content { position: relative; max-width: 900px; width: 100%; text-align: center; }
.lightbox-image { max-height: 78vh; margin: 0 auto; border-radius: 14px; }
.lightbox-caption { color: #fff; margin-top: 1rem; font-size: 0.95rem; }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute; background: rgba(255,255,255,0.1); color: #fff; border: 1px solid var(--border);
  cursor: pointer; border-radius: 50%; width: 42px; height: 42px; font-size: 1.3rem; line-height: 1;
}
.lightbox-close { top: -3rem; right: 0; }
.lightbox-prev { left: -1rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: -1rem; top: 50%; transform: translateY(-50%); }

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

.contact-layout { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.contact-form { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-card); padding: 1.75rem; }
.form-row { margin-bottom: 1.1rem; display: flex; flex-direction: column; gap: 0.4rem; }
.form-row label { font-weight: 700; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.form-row input, .form-row select, .form-row textarea {
  padding: 0.7rem 0.85rem; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg-soft); color: var(--text); font: inherit;
}
.form-row textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.82rem; color: var(--muted); }

.alert { padding: 1rem 1.25rem; border-radius: 12px; margin-bottom: 1.5rem; font-size: 0.9rem; }
.alert-success { background: rgba(56, 96, 255, 0.15); color: #c6d0ff; border: 1px solid rgba(56,96,255,0.4); }
.alert-error { background: rgba(255, 87, 87, 0.12); color: #ffb4b4; border: 1px solid rgba(255,87,87,0.35); }

.contact-info-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-card); padding: 1.75rem; }
.contact-info-card ul { list-style: none; padding: 0; margin: 1rem 0 0; }
.contact-info-card li { margin-bottom: 0.75rem; color: var(--muted); }
.contact-info-card a { color: var(--text); }

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

.site-footer { border-top: 1px solid var(--border); padding: 3rem 0 1.5rem; }
.footer-inner { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.footer-brand { display: flex; align-items: center; gap: 0.75rem; }
.footer-brand p { margin: 0; font-size: 0.85rem; color: var(--muted); }
.footer-links h3, .footer-contacts h3 { font-size: 0.85rem; letter-spacing: 0.06em; }
.footer-links ul, .footer-contacts ul { list-style: none; padding: 0; margin: 0; }
.footer-links a, .footer-contacts a { color: var(--muted); text-transform: none; }
.footer-links li, .footer-contacts li { margin-bottom: 0.5rem; }
.footer-bottom { text-align: center; padding-top: 1.5rem; border-top: 1px solid var(--border); margin-top: 2rem; font-size: 0.78rem; color: var(--muted); }

/* =========================================================
   Breakpoints
   ========================================================= */

@media (min-width: 640px) {
  .image-grid, .gallery-grid, .services-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(4, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .main-nav {
    position: static; width: auto; height: auto; border-left: none; padding: 0; overflow: visible; background: transparent;
  }
  .main-nav > ul { flex-direction: row; align-items: center; gap: 0.25rem; }
  .main-nav a { border-bottom: none; padding: 0.5rem 0.9rem; white-space: nowrap; font-size: 0.78rem; }
  .nav-cta { margin-top: 0; padding: 0.6rem 1.3rem; }

  .has-dropdown { position: relative; }
  .dropdown-toggle { border-bottom: none; padding: 0.5rem 0.9rem; width: auto; white-space: nowrap; font-size: 0.78rem; }
  .dropdown-menu {
    position: absolute; top: 100%; right: 0; left: auto; background: var(--bg-soft); border: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4); border-radius: 16px; padding: 1.25rem; min-width: 220px; max-height: none; display: none;
    width: min(560px, 90vw); grid-template-columns: repeat(2, 1fr); gap: 1rem 2rem;
  }
  .has-dropdown:hover .dropdown-menu, .has-dropdown.is-open .dropdown-menu { display: grid; }
  .mega-group { min-width: 0; }
  .mega-group + .mega-group { margin-top: 0; padding-top: 0; border-top: none; }

  .hero .cta-row { margin-bottom: 4rem; }
  .stats-row { grid-template-columns: repeat(4, 1fr); }
  .projects-head { flex-direction: row; align-items: flex-end; }
  .worlds-list { }
  .world-item { grid-template-columns: 120px 1fr; align-items: start; }
  .contact-layout { grid-template-columns: 1.4fr 1fr; }
}

@media (min-width: 1100px) {
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
  .image-grid, .gallery-grid { grid-template-columns: repeat(4, 1fr); }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: repeat(4, 1fr); }
}