/* ============================================================
   THE 30' LAB — design tokens
   Palette: laboratorio scientifico / circuito a stazioni.
   Accent unico (neon pulse) per restare fedeli al logo, profondità
   data da due toni di navy + un grigio-blu per i testi secondari.
   ============================================================ */

:root{
  --navy:        #0a0e1a;   /* sfondo base */
  --panel:       #121a2e;   /* superfici/card */
  --panel-soft:  #19233c;   /* hover/elevazione card */
  --pulse:       #3fc6ff;   /* accento neon — dal logo */
  --pulse-dim:   #1c5c80;   /* accento spento, per bordi/ombre */
  --signal:      #f5f7fa;   /* testo primario */
  --mist:        #8794ad;   /* testo secondario */
  --line:        rgba(63,198,255,0.18); /* linee/separatori */

  --display: "Space Grotesk", "Arial Narrow", sans-serif;
  --body: "Inter", -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "Courier New", monospace;

  --max: 1180px;
  --radius: 14px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--navy);
  color: var(--signal);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; height: auto; display: block; }

a{ color: var(--pulse); text-decoration: none; }

h1,h2,h3{
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1{ font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2{ font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3{ font-size: 1.25rem; }

p{ margin: 0 0 1em; color: var(--mist); max-width: 60ch; }

.mono{
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.eyebrow{
  font-family: var(--mono);
  color: var(--pulse);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 1em;
}
.eyebrow::before{
  content:"";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--pulse);
  box-shadow: 0 0 8px 2px var(--pulse);
}

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

.glow-text{
  text-shadow: 0 0 18px rgba(63,198,255,0.55);
}

/* ---------- buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.85em 1.6em;
  border-radius: 999px;
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:focus-visible{ outline: 2px solid var(--pulse); outline-offset: 3px; }

.btn-primary{
  background: var(--pulse);
  color: #051018;
  box-shadow: 0 0 0 0 rgba(63,198,255,0);
}
.btn-primary:hover{
  transform: translateY(-1px);
  box-shadow: 0 6px 24px -6px rgba(63,198,255,0.65);
}

.btn-ghost{
  background: transparent;
  color: var(--signal);
  border-color: var(--line);
}
.btn-ghost:hover{ border-color: var(--pulse); color: var(--pulse); }

.btn-block{ width: 100%; }

/* ---------- nav ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10,14,26,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.logo{
  display: flex;
  align-items: baseline;
  gap: 0.18em;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--signal);
}
.logo .accent{
  color: var(--pulse);
  text-shadow: 0 0 14px rgba(63,198,255,0.7);
}
.logo svg{ width: 16px; height: 16px; margin-right: 2px; }

.nav-links{
  display: flex;
  gap: 28px;
  align-items: center;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a{
  color: var(--mist);
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-links a:hover, .nav-links a.active{ color: var(--signal); }

.nav-cta{ display: flex; align-items: center; gap: 14px; }

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  width: 40px; height: 40px;
  color: var(--signal);
  font-size: 1.2rem;
  cursor: pointer;
}

@media (max-width: 860px){
  .nav-links{
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--navy);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    display: none;
  }
  .nav-links.open{ display: flex; }
  .nav-toggle{ display: inline-flex; align-items: center; justify-content: center; }
  .nav-cta .btn-primary{ padding: 0.7em 1.1em; font-size: 0.85rem; }
}

/* ---------- circuit divider (signature element) ---------- */
.trace{
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 20%, var(--line) 80%, transparent);
  margin: 0 auto;
  max-width: var(--max);
}
.trace::before{
  content:"";
  position: absolute;
  top: 50%; left: 50%;
  width: 9px; height: 9px;
  margin: -4.5px 0 0 -4.5px;
  border-radius: 50%;
  background: var(--pulse);
  box-shadow: 0 0 12px 3px rgba(63,198,255,0.7);
}
.section{ padding: 84px 0; }
.section-tight{ padding: 56px 0; }

/* ---------- hero ---------- */
.hero{
  padding: 72px 0 64px;
  position: relative;
  overflow: hidden;
}
.hero::before{
  content:"";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 480px;
  background: radial-gradient(circle at 30% 20%, rgba(63,198,255,0.16), transparent 60%);
  pointer-events: none;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  position: relative;
}
.hero h1{ margin-bottom: 0.4em; }
.hero-actions{ display:flex; gap:14px; margin-top: 2em; flex-wrap: wrap; }

.hero-visual{
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy);
  box-shadow: 0 0 60px -10px rgba(63,198,255,0.25), inset 0 0 0 1px var(--line);
}
.hero-visual img{ width: 100%; }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ max-width: 320px; margin: 0 auto; }
}

/* ---------- value strip ---------- */
.stat-strip{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat{
  background: var(--panel);
  padding: 22px 18px;
  text-align: center;
}
.stat strong{
  display: block;
  font-family: var(--display);
  font-size: 1.5rem;
  color: var(--pulse);
  margin-bottom: 0.2em;
}
.stat span{
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
}
@media (max-width: 760px){
  .stat-strip{ grid-template-columns: repeat(2, 1fr); }
}

/* ---------- cards / grids ---------- */
.grid{
  display: grid;
  gap: 22px;
}
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px){
  .grid-3, .grid-2{ grid-template-columns: 1fr; }
}

.card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}
.card:hover{
  border-color: var(--pulse-dim);
  background: var(--panel-soft);
  transform: translateY(-2px);
}
.card .icon{
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(63,198,255,0.1);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  color: var(--pulse);
}
.card .tag{
  display: inline-block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pulse);
  border: 1px solid var(--pulse-dim);
  border-radius: 999px;
  padding: 3px 10px;
}
.card p{ margin-bottom: 0.4em; }
.card-link{
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 14px; font-size: 0.9rem; font-weight: 600;
}

/* ---------- tech list rows (servizi page) ---------- */
.tech-row{
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.tech-row:first-of-type{ border-top: none; }
.tech-row .icon{
  width: 64px; height: 64px;
  border-radius: 12px;
  background: rgba(63,198,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--pulse);
}
.tech-row h3{ margin-bottom: 0.3em; }
.tech-row p{ margin-bottom: 0.3em; max-width: 64ch; }
.tech-meta{ font-family: var(--mono); font-size: 0.72rem; color: var(--mist); letter-spacing: 0.05em; }

.subgroup-title{
  display: flex; align-items: center; gap: 14px;
  margin: 0 0 6px;
}
.subgroup-title .mono{ color: var(--pulse); }
.subgroup-title::after{
  content:"";
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* ---------- CTA band ---------- */
.cta-band{
  background: linear-gradient(135deg, var(--panel), var(--navy));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 56px 40px;
  text-align: center;
}
.cta-band h2{ margin-bottom: 0.3em; }
.cta-band p{ margin: 0 auto 1.6em; }

/* ---------- forms ---------- */
.form-grid{ display: grid; gap: 18px; }
.field{ display: flex; flex-direction: column; gap: 8px; }
.field label{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mist);
}
.field input, .field select, .field textarea{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--signal);
  font-family: var(--body);
  font-size: 1rem;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none;
  border-color: var(--pulse);
  box-shadow: 0 0 0 3px rgba(63,198,255,0.15);
}
.field textarea{ resize: vertical; min-height: 100px; }
.form-note{ font-size: 0.85rem; color: var(--mist); margin-top: 4px; }
.form-success{
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 10px;
  background: rgba(63,198,255,0.1);
  border: 1px solid var(--pulse-dim);
  color: var(--signal);
  font-size: 0.92rem;
}
.form-success.show{ display: block; }
.form-error{
  display: none;
  margin-top: 4px;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(255,107,107,0.08);
  border: 1px solid rgba(255,107,107,0.4);
  color: #ffb4b4;
  font-size: 0.88rem;
}
.form-error.show{ display: block; }

/* ---------- steps (sequenza reale → numerazione ammessa) ---------- */
.steps{ display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.step{ position: relative; padding-left: 0; }
.step .num{
  font-family: var(--mono);
  color: var(--pulse);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 10px;
}
@media (max-width: 760px){ .steps{ grid-template-columns: 1fr; } }

/* ---------- placeholder data ---------- */
.placeholder{
  color: var(--mist);
  border-bottom: 1px dashed var(--pulse-dim);
}

/* ---------- map block ---------- */
.map-block{
  border: 1px dashed var(--pulse-dim);
  border-radius: var(--radius);
  background: var(--panel);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 30px;
}
.map-block .mono{ color: var(--mist); }

/* ---------- footer ---------- */
.site-footer{
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
  margin-top: 40px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}
.footer-grid h4{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 14px;
}
.footer-grid ul{ list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-grid a{ color: var(--signal); font-size: 0.92rem; }
.footer-grid a:hover{ color: var(--pulse); }
.footer-tagline{ color: var(--mist); max-width: 32ch; margin-top: 12px; }
.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--mist);
}
.social-row{ display: flex; gap: 12px; }
.social-row a{
  width: 34px; height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--mist);
}
.social-row a:hover{ color: var(--pulse); border-color: var(--pulse-dim); }

@media (max-width: 860px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px){
  .footer-grid{ grid-template-columns: 1fr; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
  html{ scroll-behavior: auto; }
}

/* ---------- reveal-on-load (hero only, orchestrated once) ---------- */
.reveal{
  animation: revealUp 0.7s ease both;
}
.reveal-delay-1{ animation-delay: 0.08s; }
.reveal-delay-2{ animation-delay: 0.16s; }
.reveal-delay-3{ animation-delay: 0.24s; }
@keyframes revealUp{
  from{ opacity: 0; transform: translateY(14px); }
  to{ opacity: 1; transform: translateY(0); }
}

/* ---------- 7 set 2026: hero visual tagliato sul logo, foto servizi contenute ---------- */
.hero-visual{ aspect-ratio: 4 / 3; }
.hero-visual img{ width: 100%; height: 100%; object-fit: cover; object-position: center; }
.tech-row img{ width: min(360px, 100%); }

/* ---------- foto di sezione (staff, spazi) ---------- */
.photo{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 60px -18px rgba(63,198,255,0.35);
}
.photo img{ width: 100%; height: auto; display: block; }