/* ============================================================
   LAYOUT · NAV · HERO · SECTIONS · FOOTER
============================================================ */

/* ── Navigation ─────────────────────────────────────────── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  padding: 1.1rem 0;
  transition: background .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease);
}
#nav.scrolled {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(18px);
  padding: .7rem 0;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,.07);
}

.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1180px; margin: 0 auto; padding: 0 2rem;
}

.nav-brand {
  display: flex; align-items: center; gap: .75rem; text-decoration: none;
}
.nav-brand img {
  height: 120px; width: auto; object-fit: contain;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-size: 1.3rem; font-weight: 900; letter-spacing: -.4px;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.brand-tag {
  font-size: .5rem; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--text-muted);
}

.nav-links { display: flex; align-items: center; gap: 2.2rem; list-style: none; }
.nav-links a {
  color: var(--text-2); text-decoration: none;
  font-size: .84rem; font-weight: 600;
  transition: color .3s;
}
.nav-links a:hover { color: var(--orange); }
.nav-btn {
  background: var(--grad); color: #fff !important;
  padding: .55rem 1.5rem; border-radius: 50px;
  font-weight: 700 !important; font-size: .8rem !important;
  box-shadow: var(--shadow-orange);
  transition: transform .3s, box-shadow .3s !important;
}
.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,107,0,.5) !important;
}
.nav-login {
  color: #fff !important;
  border: 1.5px solid rgba(255,255,255,.35);
  padding: .5rem 1.3rem; border-radius: 50px;
  font-weight: 700 !important; font-size: .8rem !important;
  transition: border-color .3s, background .3s !important;
}
.nav-login:hover {
  border-color: var(--orange);
  background: rgba(255,107,0,.12);
}

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px; background: none; border: none;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px; transition: all .3s;
}

/* Mobile menu */
#mob-menu {
  display: none; position: fixed; inset: 0; z-index: 950;
  background: rgba(255,255,255,.98); backdrop-filter: blur(20px);
  flex-direction: column; align-items: center; justify-content: center; gap: 2.2rem;
}
#mob-menu.open { display: flex; }
#mob-menu a {
  color: var(--text); text-decoration: none;
  font-size: 1.6rem; font-weight: 700; transition: color .3s;
}
#mob-menu a:hover { color: var(--orange); }
.mob-close {
  position: absolute; top: 1.5rem; right: 2rem;
  font-size: 2rem; color: var(--text-muted);
  cursor: pointer; background: none; border: none;
}

/* ── Hero ────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; text-align: center;
  background:
    radial-gradient(ellipse at 50% -5%,  rgba(255,107,0,.14) 0%, transparent 55%),
    radial-gradient(ellipse at 100% 80%, rgba(255,179,0,.09) 0%, transparent 50%),
    linear-gradient(rgba(255,255,255,.80), rgba(255,248,240,.82)),
    url('../img/band-turbine.jpg') center / cover no-repeat;
  background-color: #FFF5EE;
}
#hero::after {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23FF6B00' fill-opacity='0.025' fill-rule='evenodd'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
}

#particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.pt {
  position: absolute; border-radius: 50%;
  background: var(--grad); opacity: 0;
  animation: ptFloat linear infinite;
}

.hero-inner {
  position: relative; z-index: 2;
  max-width: 880px; padding: 2rem;
}

/* ── Section shared padding ──────────────────────────────── */
.s-pad { padding: 8rem 0; }

.s-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
}

/* Section backgrounds */
.bg-white   { background: var(--bg); }
.bg-alt     { background: var(--bg-alt); }
.bg-warm    { background: var(--bg-warm); }

/* ── Section grids ───────────────────────────────────────── */
.two-col    { display: grid; grid-template-columns: 1fr 1fr;    gap: 4rem;   align-items: center; }
.two-col-lg { display: grid; grid-template-columns: 1.2fr 1fr;  gap: 4.5rem; align-items: center; }
.three-col  { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.six-col    { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }

/* ── Section header ──────────────────────────────────────── */
.sec-head { text-align: center; margin-bottom: 4.5rem; }
.sec-head h2 {
  font-size: clamp(2rem,4vw,3rem); font-weight: 800; line-height: 1.2; margin-bottom: 1rem;
  color: var(--text);
}
.sec-head p { font-size: 1.08rem; color: var(--text-muted); max-width: 520px; margin: 0 auto; line-height: 1.75; }

/* ── Breaking point — orange full section ────────────────── */
.s-break {
  padding: 8rem 0;
  background: var(--grad);
  text-align: center;
  position: relative; overflow: hidden;
}
.s-break::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 50%, rgba(255,255,255,.08) 0%, transparent 65%);
}
.s-break .label     { color: rgba(255,255,255,.7); }
.s-break h2         { color: #fff; }
.s-break p          { color: rgba(255,255,255,.88); font-size: 1.2rem; line-height: 1.8; }
.s-break .acc       { color: #fff; font-weight: 800; }
.s-break .white-u   { text-decoration: underline; text-underline-offset: 5px; text-decoration-color: rgba(255,255,255,.4); }

/* ── CTA section — dark ──────────────────────────────────── */
#contatti {
  padding: 8rem 0;
  background: linear-gradient(135deg, #111111 0%, #1F0600 50%, #111111 100%);
  text-align: center; position: relative; overflow: hidden;
}
#contatti::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 0%,   rgba(255,107,0,.2) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 100%, rgba(255,61,0,.1)  0%, transparent 55%);
}
#contatti .label   { color: var(--orange-light); }
#contatti h2       { color: #fff; }
#contatti > .container > .cta-inner > p { color: rgba(255,255,255,.65); }

/* ── Footer ──────────────────────────────────────────────── */
footer {
  background: #111111;
  border-top: 1px solid rgba(255,107,0,.12);
  padding: 4.5rem 0 2rem;
  color: rgba(255,255,255,.7);
}
.ft-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem;
}
.ft-brand img   { height: 44px; width: auto; margin-bottom: .9rem; }
.ft-brand p     { font-size: .88rem; line-height: 1.75; max-width: 260px; color: rgba(255,255,255,.5); }
.ft-col h4      { font-size: .74rem; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--orange); margin-bottom: 1.1rem; }
.ft-col ul      { list-style: none; display: flex; flex-direction: column; gap: .55rem; }
.ft-col ul a    { color: rgba(255,255,255,.5); text-decoration: none; font-size: .88rem; transition: color .3s; }
.ft-col ul a:hover { color: var(--orange-light); }
.ft-bot {
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 2rem;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.ft-bot p { color: rgba(255,255,255,.35); font-size: .78rem; }
.socials  { display: flex; gap: .8rem; }
.soc {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,107,0,.1); border: 1px solid rgba(255,107,0,.22);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700; text-decoration: none;
  color: var(--orange-light); transition: all .3s;
}
.soc:hover { background: rgba(255,107,0,.2); border-color: var(--orange); transform: translateY(-2px); }