/* ==========================================================================
   Z-TECH — Riparazione Smartphone — stylesheet
   ========================================================================== */

:root{
  --bg: #05070f;
  --bg-alt: #0a0e1c;
  --card-bg: rgba(255,255,255,0.05);
  --card-border: rgba(255,255,255,0.12);
  --text: #f5f7fb;
  --text-dim: #a7b1c6;
  --accent: #22d3ee;
  --accent2: #7c5cff;
  --accent-grad: linear-gradient(135deg, #22d3ee 0%, #7c5cff 100%);
  --success: #34d399;
  --radius: 20px;
  --maxw: 1180px;
  --shadow-glow: 0 0 40px rgba(34,211,238,0.18);
}

*{box-sizing:border-box; margin:0; padding:0;}

html{scroll-behavior:smooth;}

body{
  background: var(--bg);
  color: var(--text);
  font-family:-apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:-apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Space Grotesk', 'Inter', sans-serif;
  font-weight:700;
  line-height:1.15;
  letter-spacing:-0.02em;
}

/* ---------- galaxy starfield background (fixed, sitewide) ---------- */
#starfield{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  z-index:-2;
  background:var(--bg);
  pointer-events:none;
}

.nebula{
  position:fixed;
  inset:0;
  z-index:-1;
  overflow:hidden;
  pointer-events:none;
}
.nebula-blob{
  position:absolute;
  border-radius:50%;
  filter:blur(110px);
  opacity:0.28;
  mix-blend-mode:lighten;
  will-change:transform;
}
.nebula-blob.n1{
  width:640px; height:640px;
  top:-160px; left:-120px;
  background:radial-gradient(circle, var(--accent), transparent 70%);
  animation:nebula-drift-1 46s ease-in-out infinite;
}
.nebula-blob.n2{
  width:560px; height:560px;
  bottom:-140px; right:-100px;
  background:radial-gradient(circle, var(--accent2), transparent 70%);
  animation:nebula-drift-2 52s ease-in-out infinite;
}
.nebula-blob.n3{
  width:520px; height:520px;
  top:45%; left:55%;
  background:radial-gradient(circle, #ec48dd, transparent 70%);
  opacity:0.18;
  animation:nebula-drift-3 60s ease-in-out infinite;
}
@keyframes nebula-drift-1{
  0%,100%{transform:translate(0,0);}
  50%{transform:translate(80px,60px);}
}
@keyframes nebula-drift-2{
  0%,100%{transform:translate(0,0);}
  50%{transform:translate(-70px,-50px);}
}
@keyframes nebula-drift-3{
  0%,100%{transform:translate(-50px,-40px) scale(1);}
  50%{transform:translate(40px,50px) scale(1.15);}
}
@media (prefers-reduced-motion: reduce){
  .nebula-blob{animation:none;}
}

a{color:inherit; text-decoration:none;}
ul{list-style:none;}
img{max-width:100%; display:block;}

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

.eyebrow{
  display:inline-block;
  font-size:0.8rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:600;
  margin-bottom:12px;
}

.section-head{
  text-align:center;
  max-width:660px;
  margin:0 auto 64px;
}

.section-head h2{
  font-size:clamp(2.1rem, 4.4vw, 3rem);
  margin-bottom:16px;
}

.section-head p{color:var(--text-dim); font-size:1.1rem;}

section{padding:150px 0;}

/* language toggle logic */
.en{display:none;}
body.lang-en .it{display:none;}
body.lang-en .en{display:inline;}
body.lang-en .en-block{display:block;}
.en-block{display:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:0.98rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, opacity .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn svg{width:18px; height:18px; flex-shrink:0;}

.btn-primary{
  background:var(--accent-grad);
  color:#04121a;
  box-shadow:0 8px 24px rgba(34,211,238,0.25);
}
.btn-primary:hover{box-shadow:0 10px 30px rgba(34,211,238,0.4);}

.btn-ghost{
  background:rgba(255,255,255,0.06);
  color:var(--text);
  border-color:var(--card-border);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,0.12);}

.btn-whatsapp{
  background:#25D366;
  color:#05230f;
}
.btn-whatsapp:hover{box-shadow:0 10px 30px rgba(37,211,102,0.35);}

.btn-block{width:100%; justify-content:center;}

/* ---------- header ---------- */
header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  background:rgba(7,11,20,0.7);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.06);
}

.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 24px;
  max-width:var(--maxw);
  margin:0 auto;
}

.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:'Space Grotesk', sans-serif;
  font-weight:700;
  font-size:1.3rem;
  letter-spacing:0.02em;
}
.logo .logo-mark{
  width:34px; height:34px;
  border-radius:9px;
  background:var(--accent-grad);
  display:flex; align-items:center; justify-content:center;
  color:#04121a;
}
.logo .logo-mark svg{width:20px; height:20px;}
.logo span{background:var(--accent-grad); -webkit-background-clip:text; background-clip:text; color:transparent;}

nav.main-nav{display:flex; align-items:center; gap:36px;}
nav.main-nav a{
  font-size:0.95rem;
  font-weight:500;
  color:var(--text-dim);
  transition:color .2s ease;
  position:relative;
}
nav.main-nav a:hover{color:var(--text);}

.header-actions{display:flex; align-items:center; gap:14px;}

.lang-switch{
  display:flex;
  border:1px solid var(--card-border);
  border-radius:999px;
  overflow:hidden;
  font-size:0.82rem;
  font-weight:700;
}
.lang-switch button{
  padding:7px 13px;
  background:transparent;
  border:none;
  color:var(--text-dim);
  cursor:pointer;
  font-family:inherit;
  font-weight:700;
  letter-spacing:0.03em;
}
.lang-switch button.active{
  background:var(--accent-grad);
  color:#04121a;
}

.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:6px;
}
.hamburger span{width:24px; height:2px; background:var(--text); border-radius:2px;}

/* ---------- hero / carousel ---------- */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  padding-top:80px;
}

.hero-bg{
  position:absolute; inset:0;
  z-index:0;
}

/* ---------- soft aurora effect (top of hero) ---------- */
.aurora{
  position:absolute;
  top:-40px; left:0; right:0;
  height:480px;
  z-index:1;
  overflow:visible;
  pointer-events:none;
}
.aurora-layer{
  position:absolute;
  left:-15%;
  width:130%;
  height:100%;
  filter:blur(55px);
  will-change:transform;
  mix-blend-mode:lighten;
}
.aurora-layer.a1{
  top:-8%;
  background:radial-gradient(ellipse 55% 38% at 28% 55%, rgba(34,211,238,0.85), transparent 68%);
  animation:aurora-drift-1 17s ease-in-out infinite;
}
.aurora-layer.a2{
  top:8%;
  background:radial-gradient(ellipse 50% 34% at 62% 50%, rgba(124,92,255,0.8), transparent 68%);
  animation:aurora-drift-2 21s ease-in-out infinite;
  animation-delay:-4s;
}
.aurora-layer.a3{
  top:-2%;
  background:radial-gradient(ellipse 46% 30% at 46% 55%, rgba(236,72,221,0.7), transparent 68%);
  animation:aurora-drift-3 19s ease-in-out infinite;
  animation-delay:-9s;
}
@keyframes aurora-drift-1{
  0%,100%{transform:translateX(-4%) translateY(0) scaleX(1);}
  50%{transform:translateX(6%) translateY(18px) scaleX(1.08);}
}
@keyframes aurora-drift-2{
  0%,100%{transform:translateX(5%) translateY(10px) scaleX(1.05);}
  50%{transform:translateX(-6%) translateY(-14px) scaleX(0.95);}
}
@keyframes aurora-drift-3{
  0%,100%{transform:translateX(-3%) translateY(-8px);}
  50%{transform:translateX(4%) translateY(12px);}
}
@media (prefers-reduced-motion: reduce){
  .aurora-layer{animation:none;}
}

.carousel{
  position:relative;
  z-index:2;
  width:100%;
}

.slide{
  display:none;
  animation:fadeIn .7s ease;
}
.slide.active{display:block;}

@keyframes fadeIn{
  from{opacity:0; transform:translateY(14px);}
  to{opacity:1; transform:translateY(0);}
}

.slide-content{
  max-width:680px;
}

.slide-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(34,211,238,0.1);
  border:1px solid rgba(34,211,238,0.3);
  color:var(--accent);
  font-size:0.82rem;
  font-weight:600;
  margin-bottom:22px;
}
.slide-tag .dot-live{
  width:7px; height:7px; border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 rgba(52,211,153,0.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(52,211,153,0.5);}
  70%{box-shadow:0 0 0 8px rgba(52,211,153,0);}
  100%{box-shadow:0 0 0 0 rgba(52,211,153,0);}
}

.slide h1{
  font-size:clamp(2.4rem, 5.8vw, 4.2rem);
  margin-bottom:24px;
}
.slide h1 .grad{
  background:var(--accent-grad);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

.slide p.lead{
  font-size:1.15rem;
  color:var(--text-dim);
  margin-bottom:34px;
  max-width:520px;
}

.slide-actions{display:flex; flex-wrap:wrap; gap:14px; margin-bottom:40px;}

.hero-stats{
  display:flex; gap:36px; flex-wrap:wrap;
}
.hero-stats div strong{
  display:block;
  font-family:'Space Grotesk', sans-serif;
  font-size:1.6rem;
  background:var(--accent-grad);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-stats div span{font-size:0.85rem; color:var(--text-dim);}

.carousel-dots{
  position:absolute;
  bottom:28px; left:0; right:0;
  z-index:3;
  display:flex;
  justify-content:center;
  gap:10px;
}
.carousel-dots button{
  width:34px; height:4px;
  border-radius:4px;
  border:none;
  background:rgba(255,255,255,0.18);
  cursor:pointer;
  transition:background .3s ease, width .3s ease;
}
.carousel-dots button.active{background:var(--accent-grad); width:50px;}

/* ---------- services ---------- */
.services-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
  gap:22px;
}

.service-card{
  background:var(--card-bg);
  backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  border:1px solid var(--card-border);
  border-radius:var(--radius);
  padding:34px 28px;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  position:relative;
  overflow:hidden;
}
.service-card:hover{
  transform:translateY(-6px);
  border-color:rgba(34,211,238,0.4);
  box-shadow:var(--shadow-glow);
}
.service-icon{
  width:52px; height:52px;
  border-radius:14px;
  background:var(--accent-grad);
  display:flex; align-items:center; justify-content:center;
  color:#04121a;
  margin-bottom:20px;
}
.service-icon svg{width:26px; height:26px;}
.service-card h3{font-size:1.15rem; margin-bottom:8px;}
.service-price{
  display:inline-block;
  font-weight:700;
  color:var(--accent);
  font-size:0.95rem;
  margin-bottom:10px;
}
.service-card p{color:var(--text-dim); font-size:0.92rem;}

.price-note{
  text-align:center;
  max-width:640px;
  margin:44px auto 0;
  padding:20px 24px;
  border-radius:14px;
  background:rgba(124,92,255,0.08);
  border:1px solid rgba(124,92,255,0.25);
  color:var(--text-dim);
  font-size:0.95rem;
}
.price-note strong{color:var(--text);}

/* ---------- why us ---------- */
.why-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px,1fr));
  gap:26px;
}
.why-item{text-align:center; padding:20px;}
.why-item .why-icon{
  width:60px; height:60px;
  margin:0 auto 18px;
  border-radius:50%;
  background:rgba(34,211,238,0.1);
  border:1px solid rgba(34,211,238,0.3);
  display:flex; align-items:center; justify-content:center;
  color:var(--accent);
}
.why-item .why-icon svg{width:28px; height:28px;}
.why-item h3{font-size:1.05rem; margin-bottom:8px;}
.why-item p{color:var(--text-dim); font-size:0.9rem;}

/* ---------- used phones (usato) ---------- */
.filter-tabs{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:36px;
}
.filter-tabs button{
  padding:9px 20px;
  border-radius:999px;
  border:1px solid var(--card-border);
  background:transparent;
  color:var(--text-dim);
  font-family:inherit;
  font-weight:600;
  font-size:0.88rem;
  cursor:pointer;
  transition:all .2s ease;
}
.filter-tabs button:hover{color:var(--text); border-color:rgba(34,211,238,0.4);}
.filter-tabs button.active{
  background:var(--accent-grad);
  color:#04121a;
  border-color:transparent;
}

.phones-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));
  gap:22px;
}

.phone-card{
  background:var(--card-bg);
  backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  border:1px solid var(--card-border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  display:flex;
  flex-direction:column;
}
.phone-card:hover{
  transform:translateY(-6px);
  border-color:rgba(34,211,238,0.4);
  box-shadow:var(--shadow-glow);
}
.phone-thumb{
  height:170px;
  display:flex; align-items:center; justify-content:center;
  background:
    radial-gradient(circle at 30% 20%, rgba(34,211,238,0.18), transparent 55%),
    radial-gradient(circle at 80% 80%, rgba(124,92,255,0.2), transparent 55%),
    var(--bg-alt);
  position:relative;
  overflow:hidden;
}
.phone-thumb svg{width:64px; height:64px; color:var(--text-dim); opacity:0.6;}
.phone-thumb img{
  width:100%; height:100%;
  object-fit:cover;
  display:block;
}
.phone-grade{
  position:absolute; top:12px; left:12px;
  font-size:0.72rem; font-weight:700; letter-spacing:0.03em;
  padding:5px 11px; border-radius:999px;
  background:rgba(52,211,153,0.15);
  border:1px solid rgba(52,211,153,0.4);
  color:var(--success);
}
.phone-body{padding:20px 22px 24px; display:flex; flex-direction:column; flex:1;}
.phone-body h3{font-size:1.05rem; margin-bottom:4px;}
.phone-specs{color:var(--text-dim); font-size:0.85rem; margin-bottom:12px;}
.phone-price{
  font-family:'Space Grotesk', sans-serif;
  font-size:1.4rem;
  font-weight:700;
  color:var(--accent);
  margin-bottom:16px;
}
.phone-price span{
  font-size:0.85rem;
  color:var(--text-dim);
  font-weight:500;
  text-decoration:line-through;
  margin-left:8px;
  font-family:'Inter', sans-serif;
}
.phone-body .btn{margin-top:auto; font-size:0.85rem; padding:10px 16px;}

.usato-note{
  text-align:center;
  max-width:680px;
  margin:44px auto 0;
  padding:20px 24px;
  border-radius:14px;
  background:rgba(34,211,238,0.07);
  border:1px solid rgba(34,211,238,0.25);
  color:var(--text-dim);
  font-size:0.95rem;
}
.usato-note strong{color:var(--text);}

/* ---------- locations ---------- */
.locations-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(320px,1fr));
  gap:26px;
}
.location-card{
  background:var(--card-bg);
  backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  border:1px solid var(--card-border);
  border-radius:var(--radius);
  overflow:hidden;
}
.location-card iframe{
  width:100%; height:220px; border:0; filter:grayscale(0.3) invert(0.92) contrast(0.9);
  display:block;
}
.location-body{padding:26px;}
.location-body h3{font-size:1.25rem; margin-bottom:14px; display:flex; align-items:center; gap:10px;}
.location-body h3 svg{width:20px; height:20px; color:var(--accent); flex-shrink:0;}
.location-row{
  display:flex; gap:12px; margin-bottom:12px; color:var(--text-dim); font-size:0.92rem;
}
.location-row svg{width:18px; height:18px; flex-shrink:0; margin-top:2px; color:var(--accent);}
.location-actions{display:flex; gap:10px; margin-top:18px; flex-wrap:wrap;}
.location-actions .btn{padding:10px 18px; font-size:0.88rem;}

/* ---------- contact ---------- */
.contact-cta{
  background:linear-gradient(135deg, rgba(34,211,238,0.1), rgba(124,92,255,0.1));
  backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:28px;
  padding:64px 40px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.contact-cta h2{font-size:clamp(1.6rem,3.6vw,2.2rem); margin-bottom:14px;}
.contact-cta p{color:var(--text-dim); max-width:520px; margin:0 auto 32px;}
.contact-actions{display:flex; justify-content:center; gap:16px; flex-wrap:wrap;}

.hours-table{
  max-width:520px;
  margin:44px auto 0;
  border:1px solid var(--card-border);
  border-radius:14px;
  overflow:hidden;
}
.hours-table .row{
  display:flex; justify-content:space-between;
  padding:14px 22px;
  font-size:0.92rem;
  border-bottom:1px solid var(--card-border);
}
.hours-table .row:last-child{border-bottom:none;}
.hours-table .row span:first-child{color:var(--text-dim);}
.hours-table .row strong{font-weight:600;}

/* ---------- floating whatsapp ---------- */
.float-whatsapp{
  position:fixed;
  bottom:24px; right:24px;
  z-index:90;
  width:58px; height:58px;
  border-radius:50%;
  background:#25D366;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 24px rgba(37,211,102,0.4);
  animation:pulse-wa 2.4s infinite;
}
.float-whatsapp svg{width:28px; height:28px; color:#04230f;}
@keyframes pulse-wa{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,0.5);}
  70%{box-shadow:0 0 0 14px rgba(37,211,102,0);}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0);}
}

/* ---------- footer ---------- */
footer{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:44px 0 30px;
}
.footer-wrap{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px;
}
.footer-wrap .logo{font-size:1.1rem;}
footer .footer-links{display:flex; gap:24px;}
footer .footer-links a{color:var(--text-dim); font-size:0.9rem;}
footer .footer-links a:hover{color:var(--text);}
.footer-bottom{
  margin-top:26px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,0.05);
  color:var(--text-dim);
  font-size:0.82rem;
  text-align:center;
}

/* ---------- responsive ---------- */
@media (max-width:860px){
  nav.main-nav{
    position:fixed;
    top:70px; left:0; right:0;
    flex-direction:column;
    background:rgba(7,11,20,0.97);
    backdrop-filter:blur(14px);
    padding:26px 24px;
    gap:22px;
    border-bottom:1px solid rgba(255,255,255,0.06);
    transform:translateY(-130%);
    transition:transform .3s ease;
  }
  nav.main-nav.open{transform:translateY(0);}
  .hamburger{display:flex;}
  section{padding:64px 0;}
}

@media (max-width:520px){
  .slide-actions{flex-direction:column; align-items:stretch;}
  .hero-stats{gap:22px;}
  .contact-actions{flex-direction:column; align-items:stretch;}
}