/* ==========================================================================
   Bio Clinical Service s.r.l. — foglio di stile
   Palette derivata dal logo: rosso clinico, nero, bianco, grigio acciaio,
   oro spento (dal bollino "30 anni").
   ========================================================================== */

:root{
  --bcs-red: #8B1220;
  --bcs-red-dark: #5C0D16;
  --bcs-red-bright: #B31A2B;
  --bcs-black: #17181A;
  --bcs-white: #FFFFFF;
  --bcs-bg: #F3F5F6;
  --bcs-steel: #5B6770;
  --bcs-steel-light: #DDE3E6;
  --bcs-gold: #B8933F;

  --font-display: 'Archivo', 'Arial Narrow', sans-serif;
  --font-body: 'IBM Plex Sans', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --max-width: 1140px;
}

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

body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--bcs-black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-color: var(--bcs-bg);
  background-image:
    radial-gradient(ellipse 1000px 600px at 12% 0%, rgba(139,18,32,0.12), transparent 60%),
    radial-gradient(ellipse 800px 600px at 100% 15%, rgba(184,147,63,0.14), transparent 55%),
    repeating-linear-gradient(0deg, rgba(91,103,112,0.10) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(90deg, rgba(91,103,112,0.10) 0 1px, transparent 1px 42px);
  background-attachment: fixed;
}

/* i contenuti "galleggiano" come pannelli sopra lo sfondo a griglia,
   così la texture resta visibile tutt'intorno */
section:not(.hero):not(.page-hero){
  padding: 20px 0;
}
section:not(.hero):not(.page-hero) > .container{
  background: var(--bcs-white);
  border-radius: 10px;
  padding: 48px clamp(20px, 5vw, 56px);
  box-shadow: 0 1px 2px rgba(23,24,26,0.05), 0 14px 36px rgba(23,24,26,0.07);
  margin: 20px auto;
}
section.alt > .container{
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(2px);
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }

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

h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--bcs-black);
}
h1{ font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.08; }
h2{ font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3{ font-size: 1.15rem; }

p{ margin: 0 0 16px; color: #33383c; }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bcs-red);
  display: inline-block;
  margin-bottom: 10px;
  font-weight: 600;
}

/* --- calibration strip: thin technical top bar, like an instrument's
   calibration/measurement scale --- */
.calibration-strip{
  height: 6px;
  width: 100%;
  background: repeating-linear-gradient(
    90deg,
    var(--bcs-red) 0px, var(--bcs-red) 2px,
    transparent 2px, transparent 14px
  );
  background-color: var(--bcs-black);
}

/* --- maintenance watermark (rimuovibile da js/watermark.js) --- */
.watermark-overlay{
  position: fixed;
  top: 50%;
  left: 50%;
  width: 220vw;
  height: 220vh;
  transform: translate(-50%, -50%) rotate(-24deg);
  transform-origin: center;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.16;
}
.watermark-overlay span{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--bcs-red);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  white-space: nowrap;
  margin: 32px 50px;
}
.maintenance-ribbon{
  background: var(--bcs-gold);
  color: var(--bcs-black);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 9px 16px;
}

/* --- top utility bar (contatti rapidi) --- */
.top-bar{
  background: var(--bcs-black);
  color: #C7CDD1;
  font-size: 0.82rem;
}
.top-bar .container{
  display: flex;
  gap: 24px;
  padding: 8px 24px;
  max-width: var(--max-width);
}
.top-bar a{
  color: #C7CDD1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s ease;
}
.top-bar a:hover{ color: var(--bcs-white); }
.top-bar svg{ width: 14px; height: 14px; flex-shrink: 0; }

/* --- header --- */
header.site-header{
  background: var(--bcs-white);
  border-bottom: 1px solid var(--bcs-steel-light);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 16px;
}
.logo-link{ display: flex; align-items: center; gap: 12px; }
.logo-link img{ height: 52px; width: auto; }

.header-right{
  display: flex;
  align-items: center;
  gap: 22px;
  flex: 1;
  justify-content: flex-end;
}

nav.main-nav ul{
  display: flex;
  gap: 6px;
}
nav.main-nav a{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 14px;
  border-radius: 3px;
  color: var(--bcs-black);
  transition: background 0.15s ease, color 0.15s ease;
}
nav.main-nav a:hover,
nav.main-nav a.active{
  background: var(--bcs-red);
  color: var(--bcs-white);
}

.auth-links{
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 18px;
  border-left: 1px solid var(--bcs-steel-light);
}

.nav-toggle{
  display: none;
  background: none;
  border: 2px solid var(--bcs-black);
  border-radius: 4px;
  padding: 8px 10px;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span{
  display: block;
  width: 22px;
  height: 2px;
  background: var(--bcs-black);
  margin: 4px 0;
}

/* --- hero --- */
.hero{
  background: var(--bcs-black);
  color: var(--bcs-white);
  position: relative;
  overflow: hidden;
}
.hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(139,18,32,0.35), transparent 55%),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 34px);
  pointer-events: none;
}
.hero-inner{
  position: relative;
  padding: 84px 24px 96px;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 40px;
  align-items: center;
}
.hero h1{ color: var(--bcs-white); }
.hero p.lead{
  color: #C7CDD1;
  font-size: 1.1rem;
  max-width: 46ch;
}
.badge-stamp{
  justify-self: end;
  width: 168px;
  height: 168px;
  border: 2px solid var(--bcs-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transform: rotate(-8deg);
  color: var(--bcs-gold);
  font-family: var(--font-mono);
  text-align: center;
  padding: 10px;
}
.badge-stamp .n{
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  color: var(--bcs-white);
}
.badge-stamp .t{ font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px;}

.btn{
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.9rem;
  padding: 14px 26px;
  border-radius: 3px;
  border: 2px solid var(--bcs-red);
  background: var(--bcs-red);
  color: var(--bcs-white);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover{ background: var(--bcs-red-dark); border-color: var(--bcs-red-dark); }
.btn.ghost{
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: var(--bcs-white);
}
.btn.ghost:hover{ border-color: var(--bcs-white); background: rgba(255,255,255,0.08); }
.btn.ghost-dark{
  background: transparent;
  border-color: var(--bcs-steel-light);
  color: var(--bcs-black);
}
.btn.ghost-dark:hover{ background: var(--bcs-bg); }
.btn.small{
  padding: 9px 16px;
  font-size: 0.78rem;
}
.hero-actions{ display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

/* --- sections --- */
section{ padding: 64px 0; }
section.alt{ background: var(--bcs-bg); }

.section-head{ max-width: 62ch; margin-bottom: 40px; }

/* --- equipment nameplate cards (used for services) --- */
.plate-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.plate{
  background: var(--bcs-white);
  border: 1px solid var(--bcs-steel-light);
  border-left: 4px solid var(--bcs-red);
  border-radius: 4px;
  padding: 22px 20px;
  position: relative;
}
.plate .code{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--bcs-steel);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 10px;
}
.plate h3{ margin-bottom: 8px; }
.plate p{ margin: 0; font-size: 0.95rem; color: var(--bcs-steel); }
.plate .rivet{
  position: absolute;
  top: 12px;
  right: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bcs-steel-light);
}

/* --- certification plates (larger variant with icon slot) --- */
.cert-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.cert-card{
  background: var(--bcs-white);
  border: 1px solid var(--bcs-steel-light);
  border-radius: 6px;
  padding: 28px 26px;
  position: relative;
  border-top: 4px solid var(--bcs-red);
}
.cert-card .cert-number{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--bcs-red);
  margin-bottom: 4px;
}
.cert-card .cert-label{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bcs-steel);
  margin-bottom: 14px;
  display: block;
}
.cert-card p{ font-size: 0.95rem; }

/* --- auth pages (login / registrazione / area riservata) --- */
.auth-card{
  max-width: 460px;
  margin: 0 auto;
}
.auth-card .form-grid{ grid-template-columns: 1fr; }
.auth-switch{
  text-align: center;
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--bcs-steel);
}
.auth-switch a{ color: var(--bcs-red); font-weight: 600; }

.alert{
  padding: 14px 16px;
  border-radius: 4px;
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.alert.error{ background: #FCE9EB; border: 1px solid var(--bcs-red); color: var(--bcs-red-dark); }
.alert.success{ background: #E9F7EE; border: 1px solid #2E7D46; color: #1E5230; }

/* --- documenti riservati --- */
.doc-list{ display: grid; gap: 12px; }
.doc-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bcs-white);
  border: 1px solid var(--bcs-steel-light);
  border-left: 4px solid var(--bcs-gold);
  border-radius: 4px;
  padding: 16px 20px;
}
.doc-row .doc-title{ font-weight: 600; }
.doc-row .doc-meta{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--bcs-steel);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.photo-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.photo-placeholder{
  aspect-ratio: 4 / 3;
  background: var(--bcs-bg);
  border: 2px dashed var(--bcs-steel-light);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bcs-steel);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- about / two column --- */
.two-col{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.stat-list{ display: grid; gap: 18px; margin-top: 24px; }
.stat{ border-top: 1px solid var(--bcs-steel-light); padding-top: 14px; }
.stat .num{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--bcs-red);
  display: block;
}
.stat .label{ font-size: 0.85rem; color: var(--bcs-steel); text-transform: uppercase; letter-spacing: 0.04em; }

/* --- contact info block --- */
.contact-info{
  background: var(--bcs-black);
  color: var(--bcs-white);
  border-radius: 4px;
  padding: 32px;
}
.contact-info h3{ color: var(--bcs-white); }
.contact-info .row{
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  font-size: 0.95rem;
}
.contact-info .row:last-child{ border-bottom: none; }
.contact-info .row .k{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--bcs-gold);
  min-width: 90px;
}

/* --- form --- */
.form-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid .full{ grid-column: 1 / -1; }
label{
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bcs-steel);
  margin-bottom: 6px;
}
input[type=text], input[type=email], input[type=tel], textarea{
  width: 100%;
  padding: 12px 12px;
  border: 1px solid var(--bcs-steel-light);
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--bcs-white);
  color: var(--bcs-black);
}
input:focus, textarea:focus{
  outline: none;
  border-color: var(--bcs-red);
  box-shadow: 0 0 0 3px rgba(139,18,32,0.12);
}
textarea{ min-height: 110px; resize: vertical; }

.captcha-box{
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bcs-bg);
  border: 1px solid var(--bcs-steel-light);
  border-radius: 4px;
  padding: 14px 16px;
  margin: 6px 0 4px;
}
.captcha-box .question{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  min-width: 130px;
}
.captcha-box input{ max-width: 100px; }

.privacy-check{
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 18px 0;
  font-size: 0.85rem;
  color: var(--bcs-steel);
}
.privacy-check input{ width: auto; margin-top: 4px; }

/* honeypot field, hidden from real users */
.hp-field{ position: absolute; left: -9999px; top: -9999px; }

.form-note{
  font-size: 0.8rem;
  color: var(--bcs-steel);
  margin-top: 10px;
}

/* --- footer --- */
footer.site-footer{
  background: var(--bcs-black);
  color: #A8AFB3;
  padding: 40px 0 24px;
  margin-top: 40px;
}
.footer-inner{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
footer.site-footer .brand{
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--bcs-white);
  font-size: 1.1rem;
}
footer.site-footer p{ color: #A8AFB3; font-size: 0.85rem; margin: 4px 0; }
footer.site-footer .foot-nav{ display: flex; gap: 18px; flex-wrap: wrap; }
footer.site-footer .foot-nav a{ font-size: 0.85rem; color: #C7CDD1; }
footer.site-footer .foot-nav a:hover{ color: var(--bcs-white); }
.foot-bottom{
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 28px;
  padding-top: 18px;
  font-size: 0.75rem;
  color: #6E767B;
}

/* --- page hero (interior pages) --- */
.page-hero{
  background: var(--bcs-black);
  color: var(--bcs-white);
  padding: 52px 0;
}
.page-hero h1{ color: var(--bcs-white); margin: 0; }
.page-hero p{ color: #C7CDD1; margin: 8px 0 0; }

/* --- responsive --- */
@media (max-width: 860px){
  .hero-inner{ grid-template-columns: 1fr; }
  .badge-stamp{ justify-self: start; }
  .two-col{ grid-template-columns: 1fr; }
  .header-right{
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bcs-white);
    border-bottom: 1px solid var(--bcs-steel-light);
    flex-direction: column;
    align-items: stretch;
    padding: 10px 24px 20px;
    gap: 4px;
  }
  .header-right.open{ display: flex; }
  nav.main-nav ul{ flex-direction: column; }
  .auth-links{
    border-left: none;
    border-top: 1px solid var(--bcs-steel-light);
    padding-left: 0;
    padding-top: 14px;
    margin-top: 10px;
    flex-direction: column;
    align-items: stretch;
  }
  .auth-links .btn{ text-align: center; }
  .nav-toggle{ display: block; }
  .form-grid{ grid-template-columns: 1fr; }
}