/* ============================================================
   VOLTAGE PYROMANIA — modern dark single-page site
   Tema: fuoco + elettricità · estetica industrial/dark
   ============================================================ */

:root {
  --bg:        #08080c;
  --bg-2:      #0d0d14;
  --bg-3:      #11111c;
  --line:      rgba(255,255,255,.08);
  --text:      #e8e8f0;
  --muted:     #9a9ab0;
  --white:     #ffffff;

  /* electric (violet arc, come i fulmini reali) */
  --volt:      #7d5bff;
  --volt-2:    #b79bff;
  /* fire (brand / logo) */
  --fire:      #ff6a00;
  --fire-2:    #ffb300;

  --grad-fire: linear-gradient(100deg, #ff5400 0%, #ff8a00 45%, #ffc400 100%);
  --grad-volt: linear-gradient(100deg, #5b6bff 0%, #8a5bff 50%, #b79bff 100%);

  --maxw: 1180px;
  --ease: cubic-bezier(.16,.84,.32,1);

  --font-display: 'Anton', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
section { position: relative; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Typography helpers ---------- */
.kicker {
  font-size: .78rem; letter-spacing: .32em; text-transform: uppercase;
  color: var(--fire-2); font-weight: 600;
  display: inline-flex; align-items: center; gap: .7em;
}
.kicker::before { content:""; width: 34px; height: 1px; background: var(--grad-fire); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: .98; letter-spacing: .01em; }
.section-title {
  font-size: clamp(2.1rem, 5.5vw, 4rem);
  text-transform: uppercase; margin: 14px 0 18px;
}
.lead { color: var(--muted); font-size: 1.06rem; max-width: 60ch; }

.text-fire { background: var(--grad-fire); -webkit-background-clip: text; background-clip: text; color: transparent; }
.text-volt { background: var(--grad-volt); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Buttons ---------- */
.btn {
  --pad: 15px 30px;
  display: inline-flex; align-items: center; gap: .6em;
  padding: var(--pad); border-radius: 999px;
  font-weight: 600; font-size: .95rem; letter-spacing: .02em;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s;
}
.btn:hover { transform: translateY(-2px); }
.btn-fire {
  background: var(--grad-fire); color: #1a0a00;
  box-shadow: 0 8px 30px rgba(255,106,0,.28);
}
.btn-fire:hover { box-shadow: 0 12px 40px rgba(255,106,0,.45); }
.btn-ghost { border-color: var(--line); color: var(--text); background: rgba(255,255,255,.02); }
.btn-ghost:hover { border-color: var(--volt); color: var(--volt-2); }

/* ============================================================
   NAVBAR
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  transition: background .4s, backdrop-filter .4s, padding .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(8,8,12,.82); backdrop-filter: blur(14px);
  border-bottom-color: var(--line); padding: 11px 24px;
}
.nav .brand { display: flex; align-items: center; gap: 11px; font-family: var(--font-display); letter-spacing: .04em; }
.nav .brand img { width: 34px; height: 34px; filter: drop-shadow(0 0 8px rgba(255,106,0,.35)); }
.nav .brand span { font-size: 1.05rem; text-transform: uppercase; }
.nav .brand b { color: var(--fire-2); font-weight: 400; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: .9rem; color: var(--muted); letter-spacing: .02em; transition: color .25s; position: relative; }
.nav-links a:not(.ig)::after {
  content:""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--grad-fire); transition: width .3s var(--ease);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.ig {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line);
}
.nav-links a.ig:hover { border-color: var(--fire); color: var(--fire-2); }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; }

/* ============================================================
   HERO
   ============================================================ */
.hero { min-height: 100svh; display: grid; place-items: center; text-align: center; overflow: hidden; }
.hero-bg { /* foto di sfondo opzionale: attivata via JS se esiste /media/hero.jpg */
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
  opacity: 0; transform: scale(1.06); transition: opacity 1.4s var(--ease);
}
.hero-bg.on { opacity: .5; }
#fx { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }
.hero::after { /* vignette */
  content:""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 35%, transparent 38%, rgba(0,0,0,.6) 100%),
              linear-gradient(180deg, rgba(8,8,12,.55) 0%, transparent 28%, transparent 65%, var(--bg) 100%);
}
.hero-inner { position: relative; z-index: 3; padding: 0 24px; }
.hero-logo {
  width: clamp(112px, 16vw, 168px); margin: 0 auto 26px;
  filter: drop-shadow(0 0 28px rgba(255,106,0,.45)) drop-shadow(0 0 60px rgba(77,141,255,.25));
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty { 0%,100%{ transform: translateY(0) } 50%{ transform: translateY(-10px) } }
.hero h1 {
  font-size: clamp(3.2rem, 13vw, 9.5rem);
  text-transform: uppercase; line-height: .86;
  text-shadow: 0 0 40px rgba(255,106,0,.25);
}
.hero h1 .l2 { display: block; }
.hero .tagline {
  margin: 20px auto 0; font-size: clamp(1rem, 2.4vw, 1.4rem);
  letter-spacing: .26em; text-transform: uppercase; color: var(--text); font-weight: 500;
}
.hero .sub { margin: 14px auto 0; color: var(--muted); max-width: 46ch; }
.hero-cta { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.scroll-hint {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 3;
  font-size: .7rem; letter-spacing: .3em; text-transform: uppercase; color: var(--muted);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.scroll-hint span { width: 1px; height: 38px; background: linear-gradient(var(--fire), transparent); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100%{ opacity:.3 } 50%{ opacity:1 } }

/* ============================================================
   Generic section spacing + reveal
   ============================================================ */
.section { padding: clamp(80px, 11vw, 150px) 0; }
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s } .reveal.d2 { transition-delay: .16s } .reveal.d3 { transition-delay: .24s }

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); }
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.about-copy p + p { margin-top: 16px; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 38px; }
.stat { border: 1px solid var(--line); border-radius: 16px; padding: 22px 18px; background: rgba(255,255,255,.015); }
.stat b { font-family: var(--font-display); font-size: 2.4rem; display: block; line-height: 1; }
.stat span { font-size: .82rem; color: var(--muted); letter-spacing: .04em; }
.about-visual {
  aspect-ratio: 4/5; border-radius: 20px; border: 1px solid var(--line);
  background:
    radial-gradient(80% 60% at 50% 30%, rgba(255,106,0,.18), transparent 60%),
    radial-gradient(70% 70% at 60% 90%, rgba(77,141,255,.16), transparent 60%),
    var(--bg-3);
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.about-visual img { width: 74%; filter: drop-shadow(0 0 34px rgba(255,106,0,.45)); }

/* ============================================================
   SHOWS / SERVIZI
   ============================================================ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 50px; }
.card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 18px;
  padding: 30px 26px 32px; position: relative; overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.card::before {
  content:""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--grad-fire);
  transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease);
}
.card:hover { transform: translateY(-6px); border-color: rgba(255,106,0,.35); box-shadow: 0 24px 60px rgba(0,0,0,.5); }
.card:hover::before { transform: scaleX(1); }
.card .ico {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(255,106,0,.10); border: 1px solid rgba(255,106,0,.25); margin-bottom: 20px;
  color: var(--fire-2);
}
.card h3 { font-size: 1.5rem; text-transform: uppercase; margin-bottom: 10px; letter-spacing: .02em; }
.card p { color: var(--muted); font-size: .96rem; }

/* ============================================================
   GALLERY
   ============================================================ */
.gallery { background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%); }
.gallery-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px; gap: 14px; margin-top: 48px;
}
.shot {
  border-radius: 14px; overflow: hidden; position: relative; border: 1px solid var(--line);
  background: var(--bg-3);
}
.shot.tall { grid-row: span 2; }
.shot.wide { grid-column: span 2; }
.shot img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.shot:hover img { transform: scale(1.06); }
/* placeholder look while no photos are present */
.shot.ph {
  display: grid; place-items: center;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.02) 0 12px, transparent 12px 24px),
    radial-gradient(70% 70% at 50% 40%, rgba(255,106,0,.10), transparent 70%), var(--bg-3);
}
.shot.ph .ph-i { text-align: center; color: var(--muted); font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; }
.shot.ph .ph-i svg { opacity: .4; margin-bottom: 8px; }
.gallery-note { margin-top: 26px; font-size: .85rem; color: var(--muted); }
.gallery-note code { color: var(--fire-2); background: rgba(255,106,0,.08); padding: 2px 7px; border-radius: 6px; }

/* ============================================================
   EVENTS
   ============================================================ */
.events-list { margin-top: 46px; border-top: 1px solid var(--line); }
.event {
  display: grid; grid-template-columns: 130px 1fr auto; gap: 26px; align-items: center;
  padding: 26px 6px; border-bottom: 1px solid var(--line);
  transition: background .3s, padding .3s var(--ease);
}
.event:hover { background: rgba(255,255,255,.02); padding-left: 16px; }
.event .date { font-family: var(--font-display); font-size: 1.05rem; color: var(--fire-2); letter-spacing: .04em; }
.event .date small { display: block; color: var(--muted); font-size: .72rem; letter-spacing: .14em; }
.event .info h3 { font-size: 1.4rem; text-transform: uppercase; }
.event .info h3 a { color: inherit; transition: color .25s; }
.event .info h3 a:hover { color: var(--fire-2); }
.event .info h3 .ext { font-size: .85em; color: var(--fire-2); opacity: .7; }
.event .info p { color: var(--muted); font-size: .9rem; }
.event .where { color: var(--muted); font-size: .85rem; text-align: right; white-space: nowrap; }
.events-empty { margin-top: 30px; color: var(--muted); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-copy .lead { margin-bottom: 30px; }
.contact-methods { display: flex; flex-direction: column; gap: 16px; }
.cm { display: flex; align-items: center; gap: 16px; }
.cm .ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--line); color: var(--volt-2); flex-shrink: 0; }
.cm a, .cm span { color: var(--text); }
.cm small { display: block; color: var(--muted); font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; }
form { display: grid; gap: 14px; background: var(--bg-3); border: 1px solid var(--line); border-radius: 18px; padding: 28px; }
form label { font-size: .8rem; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
form input, form textarea {
  width: 100%; background: rgba(255,255,255,.03); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; color: var(--text); font-family: inherit; font-size: .95rem; transition: border-color .25s;
}
form input:focus, form textarea:focus { outline: none; border-color: var(--fire); }
form textarea { resize: vertical; min-height: 110px; }
.field { display: grid; gap: 6px; }

/* ============================================================
   FOOTER
   ============================================================ */
footer { background: var(--bg-2); border-top: 1px solid var(--line); padding: 50px 0 34px; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); letter-spacing: .04em; text-transform: uppercase; }
.footer-brand img { width: 40px; }
.footer-soc { display: flex; gap: 12px; }
.footer-soc a { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; color: var(--muted); transition: .25s; }
.footer-soc a:hover { border-color: var(--fire); color: var(--fire-2); transform: translateY(-2px); }
.footer-copy { width: 100%; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav-links { gap: 18px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { max-width: 420px; }
  .cards { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 170px; }
}
@media (max-width: 680px) {
  .nav-links { display: none; position: fixed; inset: 64px 14px auto 14px; flex-direction: column;
    background: rgba(13,13,20,.97); backdrop-filter: blur(16px); border: 1px solid var(--line);
    border-radius: 16px; padding: 18px; align-items: stretch; gap: 6px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 10px; }
  .nav-links a.ig { width: auto; height: auto; border: 0; justify-content: flex-start; }
  .nav-toggle { display: block; }
  .event { grid-template-columns: 1fr; gap: 6px; }
  .event .where { text-align: left; }
  .stats { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-logo, .scroll-hint span { animation: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}