/*
Theme Name: Vitamina Bit
Theme URI: https://vitaminabit.eu
Author: Vitamina Bit
Description: Tema WordPress su misura per Vitamina Bit — web, video, audio, drone e marketing. Sfondo animato blu su nero, sezione servizi e portfolio gestibili da pannello WordPress, form di contatto nativo.
Version: 1.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: vitaminabit
*/

:root{
  --bg: #05060a;
  --bg-alt: #0a0d16;
  --panel: #0c1019;
  --blue-1: #0b3d91;
  --blue-2: #1c6fe6;
  --blue-3: #4fd1ff;
  --ink: #eef2f8;
  --muted: #8891a3;
  --line: rgba(79,209,255,0.14);
  --line-strong: rgba(79,209,255,0.3);
  --radius: 14px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter', system-ui, sans-serif;
  line-height:1.55;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3, .wordmark{ font-family:'Space Grotesk', sans-serif; letter-spacing:-0.01em; }
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--blue-3);
}
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
section{ position:relative; z-index:2; }
button{ font-family:inherit; cursor:pointer; }

/* ---------- animated background ---------- */
#bg-canvas{
  position:fixed; inset:0; width:100%; height:100%; z-index:0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(28,111,230,0.25), transparent 60%),
    var(--bg);
}
.grain{
  position:fixed; inset:0; z-index:1; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

/* ---------- header ---------- */
header.site-header{
  position:fixed; top:0; left:0; right:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:20px clamp(20px, 5vw, 64px);
  backdrop-filter:blur(10px);
  background:linear-gradient(180deg, rgba(5,6,10,0.85), rgba(5,6,10,0));
  transition:background .3s ease, border-color .3s ease;
  border-bottom:1px solid transparent;
}
header.site-header.scrolled{ background:rgba(5,6,10,0.82); border-bottom:1px solid var(--line); }
.logo{ display:flex; align-items:center; gap:10px; }
.logo-bars{ display:flex; align-items:flex-end; gap:2px; height:20px; }
.logo-bars span{
  width:3px; background:linear-gradient(180deg, var(--blue-3), var(--blue-2));
  border-radius:2px; animation:eq 1.1s ease-in-out infinite;
}
.logo-bars span:nth-child(1){ height:40%; animation-delay:0s; }
.logo-bars span:nth-child(2){ height:90%; animation-delay:.15s; }
.logo-bars span:nth-child(3){ height:60%; animation-delay:.3s; }
.logo-bars span:nth-child(4){ height:100%; animation-delay:.45s; }
.logo-bars span:nth-child(5){ height:55%; animation-delay:.6s; }
@keyframes eq{ 0%,100%{ transform:scaleY(.5);} 50%{ transform:scaleY(1);} }

.wordmark{ font-size:19px; font-weight:700; color:var(--ink); white-space:nowrap; }
.wordmark em{ font-style:normal; color:var(--blue-3); font-weight:600; margin-left:2px; }

nav.primary-nav ul{ display:flex; gap:36px; list-style:none; }
nav.primary-nav a{ font-size:14px; color:var(--muted); font-weight:500; transition:color .2s ease; }
nav.primary-nav a:hover{ color:var(--ink); }
.nav-cta{
  padding:10px 20px; border-radius:999px; border:1px solid var(--line-strong);
  color:var(--ink) !important; font-size:13.5px; font-weight:600;
  transition:border-color .2s ease, background .2s ease, transform .2s ease;
}
.nav-cta:hover{ background:rgba(28,111,230,0.15); border-color:var(--blue-3); transform:translateY(-1px); }
.nav-toggle{ display:none; }

/* ---------- hero ---------- */
.hero{
  min-height:100svh; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:140px 20px 80px;
}
.hero .eyebrow{ margin-bottom:22px; opacity:0; animation:rise .8s ease forwards .1s; }
.hero-logo{ display:flex; align-items:center; justify-content:center; gap:14px; margin-bottom:28px; opacity:0; animation:rise .9s ease forwards .25s; }
.hero-logo .logo-bars{ height:34px; }
.hero-logo .logo-bars span{ width:5px; }
.hero-wordmark{ font-size:clamp(32px, 6vw, 58px); font-weight:700; color:var(--ink); }
.hero-wordmark em{ font-style:normal; color:var(--blue-3); }
.hero h1{
  font-size:clamp(34px, 6.4vw, 74px); font-weight:600; max-width:16ch; line-height:1.06;
  margin-bottom:26px; opacity:0; animation:rise .9s ease forwards .4s;
}
.hero h1 .accent{ color:var(--blue-3); }
.hero p.lead{
  max-width:52ch; color:var(--muted); font-size:clamp(16px,2vw,19px); margin:0 auto 38px;
  opacity:0; animation:rise .9s ease forwards .55s;
}
.hero-ctas{ display:flex; gap:16px; flex-wrap:wrap; justify-content:center; opacity:0; animation:rise .9s ease forwards .7s; }
@keyframes rise{ from{ opacity:0; transform:translateY(18px);} to{ opacity:1; transform:translateY(0);} }

.btn{
  display:inline-flex; align-items:center; gap:8px; padding:15px 28px; border-radius:999px;
  font-weight:600; font-size:15px; border:none; transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary{ background:linear-gradient(135deg, var(--blue-2), var(--blue-3)); color:#04070d; }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 30px -8px rgba(28,111,230,0.6); }
.btn-ghost{ border:1px solid var(--line-strong); color:var(--ink); background:transparent; }
.btn-ghost:hover{ background:rgba(255,255,255,0.04); transform:translateY(-2px); }

.scroll-cue{
  margin-top:64px; display:flex; flex-direction:column; align-items:center; gap:10px;
  color:var(--muted); font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  opacity:0; animation:rise .9s ease forwards .9s;
}
.scroll-cue .line{ width:1px; height:34px; background:linear-gradient(180deg, var(--blue-3), transparent); animation:pulse-line 1.8s ease-in-out infinite; }
@keyframes pulse-line{ 0%,100%{ opacity:.3;} 50%{ opacity:1;} }

/* ---------- section shell ---------- */
.wrap{ max-width:1180px; margin:0 auto; padding:0 clamp(20px,5vw,64px); }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(28px,4vw,42px); font-weight:600; margin-top:14px; }
.section-head p{ color:var(--muted); margin-top:16px; font-size:17px; }

.reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- services ---------- */
.services{ padding:130px 0 110px; }
.service-grid{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
}
.service-card{ background:var(--panel); padding:32px 26px; min-height:220px; display:flex; flex-direction:column; gap:16px; transition:background .3s ease; }
.service-card:hover{ background:#0f1420; }
.service-card:hover .mini-eq span{ animation-play-state:running; }
.mini-eq{ display:flex; align-items:flex-end; gap:3px; height:22px; }
.mini-eq span{ width:4px; border-radius:2px; background:linear-gradient(180deg, var(--blue-3), var(--blue-1)); animation:eq 1.2s ease-in-out infinite; animation-play-state:paused; }
.mini-eq span:nth-child(1){ height:35%; animation-delay:0s; }
.mini-eq span:nth-child(2){ height:80%; animation-delay:.12s; }
.mini-eq span:nth-child(3){ height:55%; animation-delay:.24s; }
.mini-eq span:nth-child(4){ height:95%; animation-delay:.36s; }
.mini-eq span:nth-child(5){ height:45%; animation-delay:.48s; }
.service-card h3{ font-size:18px; font-weight:600; }
.service-card p{ font-size:14.5px; color:var(--muted); }
.service-card .tag{ margin-top:auto; font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--blue-3); letter-spacing:.08em; }

/* ---------- portfolio ---------- */
.portfolio{ padding:40px 0 110px; }
.portfolio-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:22px; }
.portfolio-item{
  position:relative; border-radius:var(--radius); overflow:hidden; aspect-ratio:4/3;
  border:1px solid var(--line); background:var(--panel);
}
.portfolio-item img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.portfolio-item:hover img{ transform:scale(1.06); }
.portfolio-item .overlay{
  position:absolute; inset:0; display:flex; flex-direction:column; justify-content:flex-end; gap:6px;
  padding:22px; background:linear-gradient(180deg, transparent 40%, rgba(5,6,10,0.92) 100%);
}
.portfolio-item .cat{ font-family:'IBM Plex Mono', monospace; font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--blue-3); }
.portfolio-item h3{ font-size:18px; font-weight:600; }
.portfolio-empty{ grid-column:1/-1; padding:48px; text-align:center; color:var(--muted); border:1px dashed var(--line-strong); border-radius:var(--radius); }
.portfolio-empty strong{ color:var(--ink); display:block; margin-bottom:8px; font-size:16px; }

/* ---------- process ---------- */
.process{ padding:100px 0 130px; }
.process-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:36px; }
.process-step{ padding-top:26px; border-top:1px solid var(--line); }
.process-step .num{ font-family:'IBM Plex Mono', monospace; color:var(--blue-3); font-size:13px; }
.process-step h3{ font-size:20px; font-weight:600; margin:14px 0 10px; }
.process-step p{ color:var(--muted); font-size:15px; }

/* ---------- contact ---------- */
.contact{ padding:60px 0 140px; }
.contact-panel{
  border:1px solid var(--line-strong); border-radius:20px; padding:clamp(32px,5vw,64px);
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start;
  position:relative; overflow:hidden;
  background:radial-gradient(ellipse 70% 100% at 100% 0%, rgba(28,111,230,0.16), transparent 60%);
}
.contact-panel h2{ font-size:clamp(28px,4vw,40px); font-weight:600; margin-bottom:16px; }
.contact-panel p{ color:var(--muted); font-size:16px; max-width:46ch; }
.contact-line{ display:flex; flex-direction:column; gap:4px; margin-top:28px; }
.contact-line span{ font-size:12px; color:var(--muted); text-transform:uppercase; letter-spacing:.1em; font-family:'IBM Plex Mono', monospace; }
.contact-line a{ font-size:17px; font-weight:600; color:var(--ink); }
.contact-line a:hover{ color:var(--blue-3); }

.contact-form{ display:flex; flex-direction:column; gap:16px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-field{ display:flex; flex-direction:column; gap:8px; }
.form-field label{ font-size:12.5px; color:var(--muted); letter-spacing:.03em; }
.form-field input, .form-field select, .form-field textarea{
  background:rgba(255,255,255,0.03); border:1px solid var(--line-strong); border-radius:10px;
  padding:13px 14px; color:var(--ink); font-family:inherit; font-size:14.5px;
  transition:border-color .2s ease, background .2s ease;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none; border-color:var(--blue-3); background:rgba(79,209,255,0.06);
}
.form-field textarea{ resize:vertical; min-height:120px; }
.form-note{ font-size:12.5px; color:var(--muted); }
.form-status{ font-size:14px; padding:12px 14px; border-radius:10px; display:none; }
.form-status.show{ display:block; }
.form-status.success{ background:rgba(28,111,230,0.14); color:var(--blue-3); border:1px solid var(--line-strong); }
.form-status.error{ background:rgba(230,60,60,0.1); color:#ff8f8f; border:1px solid rgba(230,60,60,0.35); }
.hp-field{ position:absolute; left:-9999px; opacity:0; }

/* ---------- WPForms: adattamento al tema scuro ---------- */
.contact-form .wpforms-container{ margin:0; }
.contact-form .wpforms-form{ display:flex; flex-direction:column; gap:16px; }
.contact-form .wpforms-field{ padding:0; margin:0 0 4px; }
.contact-form .wpforms-field-label{
  font-size:12.5px; color:var(--muted); letter-spacing:.03em; font-weight:500;
  font-family:'Inter', sans-serif;
}
.contact-form .wpforms-field-required{ color:var(--blue-3); }
.contact-form input[type=text],
.contact-form input[type=email],
.contact-form input[type=tel],
.contact-form input[type=url],
.contact-form input[type=number],
.contact-form textarea,
.contact-form select,
.contact-form .wpforms-field-select-style-modern .choices__inner{
  background:rgba(255,255,255,0.03) !important;
  border:1px solid var(--line-strong) !important;
  border-radius:10px !important;
  padding:13px 14px !important;
  color:var(--ink) !important;
  font-family:'Inter', sans-serif !important;
  font-size:14.5px !important;
  width:100% !important;
}
.contact-form textarea{ resize:vertical; min-height:120px !important; }
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus{
  outline:none !important; border-color:var(--blue-3) !important; background:rgba(79,209,255,0.06) !important;
}
.contact-form .wpforms-field-description,
.contact-form .wpforms-field-sublabel{ color:var(--muted) !important; font-size:12.5px !important; }
.contact-form .wpforms-submit-container{ margin-top:8px; }
.contact-form button[type=submit],
.contact-form .wpforms-submit{
  display:inline-flex !important; align-items:center; gap:8px;
  padding:15px 28px !important; border-radius:999px !important; border:none !important;
  font-weight:600 !important; font-size:15px !important;
  background:linear-gradient(135deg, var(--blue-2), var(--blue-3)) !important;
  color:#04070d !important; transition:transform .2s ease, box-shadow .2s ease;
}
.contact-form button[type=submit]:hover,
.contact-form .wpforms-submit:hover{ transform:translateY(-2px); box-shadow:0 12px 30px -8px rgba(28,111,230,0.6); }
.contact-form .wpforms-error-container,
.contact-form .wpforms-field-label-error{ color:#ff8f8f !important; }
.contact-form .wpforms-confirmation-container-full{
  background:rgba(28,111,230,0.14) !important; color:var(--blue-3) !important;
  border:1px solid var(--line-strong) !important; border-radius:10px !important; padding:16px !important;
}

/* ---------- footer ---------- */
footer.site-footer{ border-top:1px solid var(--line); padding:36px clamp(20px,5vw,64px); display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px; position:relative; z-index:2; }
footer.site-footer .wordmark{ font-size:15px; }
footer.site-footer p{ color:var(--muted); font-size:13px; }

@media (max-width: 860px){
  nav.primary-nav{ display:none; }
  .service-grid{ grid-template-columns:repeat(2,1fr); }
  .portfolio-grid{ grid-template-columns:repeat(2,1fr); }
  .process-grid{ grid-template-columns:1fr; }
  .contact-panel{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
}
@media (max-width: 520px){
  .service-grid{ grid-template-columns:1fr; }
  .portfolio-grid{ grid-template-columns:1fr; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
}