/* ============================================================
   GFA – Perdite Acqua | style.css
   Aesthetic: Industrial + Liquid – dark navy meets electric cyan
   ============================================================ */

:root {
  --navy:     #060e1f;
  --navy2:    #0d1a33;
  --navy3:    #112040;
  --cyan:     #00d4e8;
  --cyan2:    #00b8cc;
  --cyan-dim: rgba(0,212,232,0.12);
  --wa-green: #25d366;
  --white:    #ffffff;
  --off:      #e8f0f8;
  --muted:    #8099b8;
  --card-bg:  rgba(255,255,255,0.04);
  --card-br:  rgba(0,212,232,0.18);
  --rad:      16px;
  --rad-sm:   8px;
  --transition: 0.35s cubic-bezier(0.25,0.46,0.45,0.94);
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Outfit', sans-serif;
  --shadow: 0 24px 64px rgba(0,0,0,0.5);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--off);
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn--primary {
  background: var(--cyan);
  color: var(--navy);
  box-shadow: 0 0 0 0 rgba(0,212,232,0.4);
}
.btn--primary:hover {
  background: #00eeff;
  box-shadow: 0 0 24px 6px rgba(0,212,232,0.3);
  transform: translateY(-2px);
}
.btn--whatsapp {
  background: var(--wa-green);
  color: #fff;
}
.btn--whatsapp:hover {
  background: #1db954;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.35);
}
.btn--nav {
  background: var(--cyan);
  color: var(--navy);
  padding: 10px 22px;
  font-size: 0.9rem;
  font-weight: 700;
}
.btn--nav:hover { background: #00eeff; }
.btn--sm { padding: 10px 22px; font-size: 0.9rem; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(6,14,31,0.95);
  backdrop-filter: blur(16px);
  padding: 10px 0;
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}
.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--cyan);
  letter-spacing: 2px;
}
.nav__logo-drop { font-size: 1.4rem; }
.nav__links {
  display: flex;
  gap: 32px;
  margin-left: auto;
}
.nav__links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 0.2s;
  letter-spacing: 0.5px;
}
.nav__links a:hover { color: var(--cyan); }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--off);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Mobile Menu ── */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--navy2);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu ul { text-align: center; }
.mobile-menu li { margin: 20px 0; }
.mm-link {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--off);
  letter-spacing: 2px;
  transition: color 0.2s;
}
.mm-link:hover, .mm-call { color: var(--cyan); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 100px 24px 80px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,232,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,232,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}
.hero__ripple {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,212,232,0.15);
  animation: rippleExpand 8s ease-out infinite;
}
.r1 { width: 300px; height: 300px; top: 20%; left: 60%; animation-delay: 0s; }
.r2 { width: 500px; height: 500px; top: 10%; left: 55%; animation-delay: 2.5s; }
.r3 { width: 700px; height: 700px; top: 0%; left: 50%; animation-delay: 5s; }

@keyframes rippleExpand {
  0%   { transform: scale(0.8); opacity: 0.6; }
  100% { transform: scale(1.4); opacity: 0; }
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.hero__badge {
  display: inline-block;
  background: var(--cyan-dim);
  border: 1px solid rgba(0,212,232,0.3);
  color: var(--cyan);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 8rem);
  line-height: 0.95;
  letter-spacing: 2px;
  color: var(--white);
  margin-bottom: 28px;
}
.hero__title--accent {
  color: var(--cyan);
  display: inline-block;
  position: relative;
}
.hero__title--accent::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 4px;
  background: var(--cyan);
  border-radius: 4px;
  animation: underlineSlide 1s 0.8s both;
}
@keyframes underlineSlide {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}
.hero__sub {
  max-width: 600px;
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeInUp 1s 1.5s both;
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  animation: bounce 1.5s ease-in-out infinite;
}
@keyframes bounce {
  0%,100% { transform: rotate(45deg) translateY(0); }
  50%      { transform: rotate(45deg) translateY(6px); }
}

/* ── Reveal animations ── */
.reveal, .reveal-up, .reveal-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
  transition-delay: var(--delay, 0s);
}
.reveal-fade { transform: translateY(10px); }
.reveal.visible, .reveal-up.visible, .reveal-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInUp {
  from { opacity:0; transform: translateY(20px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust {
  background: linear-gradient(135deg, var(--navy2), var(--navy3));
  border-top: 1px solid rgba(0,212,232,0.1);
  border-bottom: 1px solid rgba(0,212,232,0.1);
  padding: 48px 0;
}
.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.trust__item { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.trust__num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--cyan);
  line-height: 1;
}
.trust__label {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-head { text-align: center; margin-bottom: 64px; }
.section-badge {
  display: inline-block;
  background: var(--cyan-dim);
  border: 1px solid rgba(0,212,232,0.3);
  color: var(--cyan);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-badge--dark {
  background: rgba(6,14,31,0.3);
  border-color: rgba(6,14,31,0.3);
  color: var(--navy2);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: 2px;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 20px;
}
.section-title em {
  font-style: normal;
  color: var(--cyan);
}
.section-head--light .section-title { color: var(--navy); }
.section-sub {
  max-width: 640px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}
.section-head--light .section-sub { color: var(--navy3); opacity: 0.7; }

/* ============================================================
   SERVIZI
   ============================================================ */
.servizi { padding: 100px 0; }
.servizi__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.servizio-card {
  background: var(--card-bg);
  border: 1px solid var(--card-br);
  border-radius: var(--rad);
  padding: 36px 28px;
  backdrop-filter: blur(8px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.servizio-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.servizio-card:hover { transform: translateY(-6px); border-color: var(--cyan); box-shadow: 0 16px 48px rgba(0,212,232,0.12); }
.servizio-card:hover::before { opacity: 1; }
.servizio-card__icon { font-size: 2.4rem; margin-bottom: 16px; }
.servizio-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 1px;
  color: var(--white);
  margin-bottom: 12px;
}
.servizio-card p { color: var(--muted); font-size: 0.95rem; line-height: 1.6; margin-bottom: 16px; }
.servizio-card ul { color: var(--muted); font-size: 0.88rem; }
.servizio-card ul li {
  padding: 4px 0;
  padding-left: 14px;
  position: relative;
}
.servizio-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 0.8rem;
}

/* ============================================================
   GALLERY / TECNOLOGIE
   ============================================================ */
.tecnologie {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--navy2) 0%, var(--navy) 100%);
}
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}
.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--rad);
  cursor: pointer;
  aspect-ratio: 1 / 1;
  background: var(--navy2);
}
.gallery__item--tall { grid-row: span 2; aspect-ratio: auto; }
.gallery__item--wide { grid-column: span 2; aspect-ratio: 2 / 1; }
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25,0.46,0.45,0.94);
  filter: brightness(0.75) saturate(0.8);
}
.gallery__item:hover img {
  transform: scale(1.08);
  filter: brightness(0.9) saturate(1);
}
.gallery__overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 28px 20px 20px;
  background: linear-gradient(transparent, rgba(6,14,31,0.92));
  transform: translateY(60%);
  transition: transform 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
}
.gallery__item:hover .gallery__overlay { transform: translateY(0); }
.gallery__overlay h4 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--cyan);
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.gallery__overlay p { color: var(--off); font-size: 0.88rem; }

/* ============================================================
   PROCESSO
   ============================================================ */
.processo { padding: 100px 0; }
.processo__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}
.processo__steps::before {
  content: '';
  position: absolute;
  top: 28px; left: calc(12.5% + 28px); right: calc(12.5% + 28px);
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  z-index: 0;
}
.step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  position: relative;
  z-index: 1;
}
.step__num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--cyan);
  line-height: 1;
  background: var(--navy);
  border: 2px solid var(--cyan);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-family: var(--font-body);
  font-weight: 700;
}
.step__content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 1px;
  color: var(--white);
  margin-bottom: 8px;
}
.step__content p { color: var(--muted); font-size: 0.92rem; line-height: 1.6; }

/* ============================================================
   COPERTURA + MAP
   ============================================================ */
.copertura { padding: 100px 0; background: var(--navy2); }
.copertura__layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}
.copertura__list h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 1px;
  color: var(--white);
  margin-bottom: 20px;
}
.zone-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.zone-tag {
  background: var(--cyan-dim);
  border: 1px solid rgba(0,212,232,0.25);
  color: var(--cyan);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}
.zone-tag:hover { background: var(--cyan); color: var(--navy); }
.copertura__cta p { color: var(--muted); margin-bottom: 16px; font-size: 0.95rem; }
.copertura__map { border-radius: var(--rad); overflow: hidden; }
#map {
  height: 480px;
  border-radius: var(--rad);
  border: 1px solid var(--card-br);
}

/* ============================================================
   CONTATTI
   ============================================================ */
.contatti {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #00b0c8 0%, #0098b0 100%);
}
.contatti__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.wave {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
}
.wave1 { width: 600px; height: 600px; background: rgba(255,255,255,0.3); top: -200px; right: -100px; }
.wave2 { width: 400px; height: 400px; background: rgba(255,255,255,0.2); bottom: -150px; left: -80px; }
.contatti .container { position: relative; z-index: 2; }
.contatti .section-title { color: var(--navy); }
.contatti .section-sub { color: rgba(6,14,31,0.65); }
.contatti__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.contatto-card {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--rad);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  color: var(--navy);
}
.contatto-card:hover {
  background: rgba(255,255,255,0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.contatto-card--wa { border-color: rgba(37,211,102,0.5); }
.contatto-card__icon { font-size: 2.4rem; margin-bottom: 12px; }
.contatto-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.contatto-card p { font-size: 0.95rem; opacity: 0.8; margin-bottom: 12px; }
.contatto-card__action { font-size: 0.85rem; font-weight: 700; color: var(--navy); }

.geo-box {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--rad);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.geo-box__icon { font-size: 2.4rem; }
.geo-box__text { flex: 1; min-width: 200px; }
.geo-box__text h3 { font-family: var(--font-display); letter-spacing: 1px; color: var(--navy); margin-bottom: 4px; }
.geo-box__text p { color: rgba(6,14,31,0.7); font-size: 0.9rem; }
.geo-box .btn--primary { background: var(--navy); color: var(--cyan); }
.geo-box .btn--primary:hover { background: var(--navy2); }

.geo-result {
  margin-top: 16px;
  background: rgba(255,255,255,0.2);
  border-radius: var(--rad-sm);
  padding: 16px 24px;
}
.geo-result__inner { display: flex; align-items: center; gap: 12px; font-weight: 500; color: var(--navy); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--navy);
  border-top: 1px solid rgba(0,212,232,0.08);
  padding: 80px 0 32px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 1.5rem;
  color: var(--cyan);
}
.footer__brand strong { font-size: 1.1rem; color: var(--white); }
.footer__brand p { font-size: 0.9rem; color: var(--muted); line-height: 1.6; }
.footer__piva { font-size: 0.78rem !important; opacity: 0.6; }
.footer__links h4,
.footer__servizi h4,
.footer__contatti h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 1.5px;
  color: var(--cyan);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.footer__links ul li,
.footer__servizi ul li,
.footer__contatti ul li {
  margin-bottom: 8px;
}
.footer__links a,
.footer__contatti a {
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer__links a:hover, .footer__contatti a:hover { color: var(--cyan); }
.footer__servizi ul li { color: var(--muted); font-size: 0.9rem; }
.footer__orari { margin-top: 16px; color: var(--muted); font-size: 0.82rem; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.8;
}

/* ============================================================
   WhatsApp FAB
   ============================================================ */
.wa-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  background: var(--wa-green);
  color: #fff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(37,211,102,0.4);
  transition: var(--transition);
  animation: pulse-wa 2.5s ease-in-out infinite;
}
.wa-fab:hover {
  transform: scale(1.12);
  box-shadow: 0 12px 40px rgba(37,211,102,0.6);
}
@keyframes pulse-wa {
  0%,100% { box-shadow: 0 8px 32px rgba(37,211,102,0.4); }
  50%      { box-shadow: 0 8px 48px rgba(37,211,102,0.7); }
}

/* ============================================================
   LEAFLET DARK OVERRIDE
   ============================================================ */
.leaflet-tile { filter: invert(1) hue-rotate(180deg) saturate(0.8) brightness(0.85); }
.leaflet-container { background: var(--navy2); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .servizi__grid { grid-template-columns: repeat(2, 1fr); }
  .processo__steps { grid-template-columns: repeat(2, 1fr); }
  .processo__steps::before { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .copertura__layout { grid-template-columns: 1fr; }
  #map { height: 360px; }
}
@media (max-width: 768px) {
  .nav__links, .btn--nav { display: none; }
  .nav__burger { display: flex; margin-left: auto; }
  .hero__title { font-size: clamp(2.8rem, 10vw, 5rem); }
  .trust__grid { grid-template-columns: repeat(2, 1fr); }
  .servizi__grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .gallery__item--tall { grid-row: span 1; aspect-ratio: 1; }
  .gallery__item--wide { grid-column: span 2; }
  .processo__steps { grid-template-columns: 1fr; }
  .contatti__cards { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .section-head { margin-bottom: 40px; }
  .geo-box { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .hero__cta { flex-direction: column; }
  .trust__grid { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: 1fr; }
  .gallery__item--wide { grid-column: span 1; aspect-ratio: 1; }
  .gallery__item--tall { aspect-ratio: 1; }
}