/* ==========================================================
   FRA.FA SRLS — design tokens v4
   Bianco/nero puro, alto contrasto, sezioni invertite,
   tipografia bold, foto in monocromo con reveal colore
   ========================================================== */
:root{
  --ink:    #000000;
  --white:  #FFFFFF;
  --line:   #DEDEDE;
  --grey-1: #F2F2F2;
  --grey-3: #8A8A8A;
  --grey-4: #4D4D4D;

  --display: "Montserrat", sans-serif;
  --serif:   "Cormorant Garamond", serif;
  --mono:    "Montserrat", sans-serif;

  --wrap: 1240px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap{ max-width: var(--wrap); margin: 0 auto; padding: 0 40px; }

h1,h2,h3{
  font-family: var(--display);
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 .35em;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}
h1{ font-size: clamp(2.6rem, 7vw, 5.8rem); line-height: 0.95; }
h2{ font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.05; }
h3{ font-size: 1.15rem; letter-spacing: -0.01em; font-weight: 700; }
p{ margin: 0 0 1em; color: var(--ink); font-family: var(--serif); font-size: 1.15rem; }
a{ color: var(--ink); }

.eyebrow{
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--grey-4);
  margin: 0 0 1.4em;
}
.eyebrow-light{ color: rgba(255,255,255,0.75); }

.grain{ display:none; }

/* ---------- header ---------- */
.site-header{
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,0.96);
  border-bottom: 2px solid var(--ink);
}
.header-row{ display:flex; align-items:center; justify-content:space-between; padding-top: 14px; padding-bottom: 14px; }
.brand-logo{ height: 52px; width: auto; display:block; }
.main-nav{ display:flex; gap: 34px; }
.main-nav a{
  color: var(--ink); text-decoration:none; font-size: 0.72rem;
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .16em; font-weight: 600;
  border-bottom: 2px solid transparent; padding-bottom: 4px;
}
.main-nav a:hover{ border-bottom-color: var(--ink); }

.btn{
  display:inline-block; font-family: var(--mono); font-size: 0.76rem;
  font-weight: 700; letter-spacing: 0.1em; text-decoration:none; padding: 16px 30px;
  border-radius: 0; border: 2px solid var(--ink); text-transform: uppercase;
  transition: background .15s ease, color .15s ease;
  background: transparent; color: var(--ink);
}
.btn-small{ padding: 11px 20px; font-size: 0.68rem; }
.btn-primary{ background: var(--ink); border-color: var(--ink); color: var(--white); }
.btn-primary:hover{ background: transparent; color: var(--ink); }
.btn-ghost{ background: transparent; color: var(--ink); }
.btn-ghost:hover{ background: var(--ink); color: var(--white); }
.btn-ghost-light{ border-color: var(--white); color: var(--white); }
.btn-ghost-light:hover{ background: var(--white); color: var(--ink); }

/* ---------- hero (full-bleed photo) ---------- */
.hero{ position: relative; min-height: 92vh; display:flex; align-items:flex-end; overflow:hidden; }
.hero-media{ position:absolute; inset:0; z-index:0; }
.hero-media img{ width:100%; height:100%; object-fit: cover; filter: grayscale(100%) contrast(1.1); }
.hero-media::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(0deg, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.35) 55%, rgba(0,0,0,0.5) 100%);
}
.hero-content{ position: relative; z-index: 1; color: var(--white); padding-bottom: 90px; padding-top: 200px; }
.hero-content h1{ color: var(--white); }
.hero-lede{ font-family: var(--serif); font-size: 1.5rem; font-style: italic; color: rgba(255,255,255,0.85); margin-top: 6px; }
.hero-actions{ display:flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }

/* ---------- sections ---------- */
.section{ padding: 120px 0; position: relative; z-index: 2; }
.section-alt{ background: var(--ink); color: var(--white); }
.section-alt h2, .section-alt h3{ color: var(--white); }
.section-alt p{ color: #C9C9C9; }
.section-alt .eyebrow{ color: #8A8A8A; }
.section-alt a{ color: var(--white); }

.two-col{ display:grid; grid-template-columns: 0.8fr 2fr; gap: 60px; }
.col-body p{ max-width: 60ch; color: inherit; }
.col-body strong{ font-weight: 700; }

.fact-strip{ display:flex; gap: 56px; margin-top: 44px; padding-top: 32px; border-top: 2px solid var(--ink); flex-wrap: wrap; }
.section-alt .fact-strip{ border-top-color: var(--white); }
.fact-strip dt{ font-family: var(--mono); font-size: 0.66rem; color: var(--grey-3); text-transform:uppercase; letter-spacing: .2em; margin-bottom: 8px; }
.fact-strip dd{ margin:0; font-family: var(--display); font-size: 1.3rem; font-weight: 800; letter-spacing: -0.01em; text-transform: uppercase; }

/* ---------- team photo (chi siamo) ---------- */
.team-photo{ margin: 48px 0 0; }
.team-photo img{ width: 100%; display:block; filter: grayscale(100%) contrast(1.1); }
.team-photo figcaption{ font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--grey-3); margin-top: 12px; }

/* ---------- gallery (in cantiere) ---------- */
.gallery-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: 52px; }
.gallery-item{ margin:0; overflow:hidden; aspect-ratio: 1 / 1; background: var(--ink); }
.gallery-item.span-2{ grid-column: span 2; }
.gallery-item img{
  width: 100%; height: 100%; object-fit: cover; display:block;
  filter: grayscale(100%) contrast(1.15); transition: filter .5s ease, transform .5s ease;
}
.gallery-item:hover img{ filter: grayscale(0%); transform: scale(1.04); }
.gallery-note{ margin-top: 28px; font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.08em; color: var(--grey-4); }
.gallery-note a{ color: var(--ink); border-bottom: 2px solid var(--ink); text-decoration: none; font-weight: 600; }

.social-feeds{ display:grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 70px; padding-top: 56px; border-top: 2px solid var(--ink); }
.social-feed .eyebrow{ margin-bottom: 20px; }
.social-feed-embed{ background: var(--grey-1); min-height: 400px; display:flex; align-items:center; justify-content:center; }
.social-feed-embed iframe{ display:block; }

@media (max-width: 720px){
  .social-feeds{ grid-template-columns: 1fr; }
}

/* ---------- interventi (timeline) ---------- */
.timeline{ list-style:none; margin: 56px 0 0; padding:0; border-top: 2px solid var(--white); }
.timeline li{ display:grid; grid-template-columns: 150px 1fr; gap: 32px; padding: 32px 0; border-bottom: 1px solid #2A2A2A; }
.timeline-year{ font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; color: var(--grey-3); text-transform: uppercase; font-weight: 700; padding-top: 3px; }
.timeline-body h3{ margin-bottom: 8px; text-transform: none; letter-spacing: 0.01em; font-weight: 600; font-size: 1.2rem; font-family: var(--serif); color: var(--white); }
.timeline-body p{ margin: 0; font-size: 1rem; color: #B8B8B8; }

@media (max-width: 640px){
  .timeline li{ grid-template-columns: 1fr; gap: 8px; }
}

/* ---------- servizi ---------- */
.service-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: #2A2A2A; margin-top: 56px; }
.service-card{ background: var(--ink); padding: 48px 44px; transition: background .2s ease; }
.service-card:hover{ background: #161616; }
.service-num{ font-family: var(--mono); color: var(--grey-3); font-size: 0.76rem; letter-spacing: 0.16em; margin: 0 0 20px; font-weight: 700; }
.service-card h3{ margin-bottom: 14px; color: var(--white); }
.service-card p{ color: #B8B8B8; margin: 0; font-size: 1.02rem; }

/* ---------- certificazione ---------- */
.seal-inline{ margin-bottom: 28px; }
.seal-svg{ width: 100%; max-width: 150px; }
.seal-ring-outer{ fill:none; stroke: var(--ink); stroke-width: 1.6; }
.seal-ring-inner{ fill:none; stroke: var(--grey-3); stroke-width: 0.8; stroke-dasharray: 1 5; }
.seal-text{ font-family: var(--mono); font-size: 7.6px; letter-spacing: 2.6px; fill: var(--ink); text-transform: uppercase; font-weight: 700; }
.seal-code{ font-family: var(--display); font-size: 22px; font-weight: 800; fill: var(--ink); letter-spacing: 0.02em; }
.seal-sub{ font-family: var(--mono); font-size: 7px; fill: var(--grey-3); letter-spacing: 1.6px; text-transform: uppercase; }

.cert-meta{ margin-top: 36px; border-top: 2px solid var(--ink); }
.cert-row{ display:flex; justify-content: space-between; padding: 18px 0; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; }
.cert-key{ color: var(--grey-3); }
.cert-val{ color: var(--ink); }

.cert-issuer{ margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--line); display:flex; align-items:center; gap: 20px; }
.cert-issuer img{ height: 34px; width: auto; filter: grayscale(100%) contrast(1.2); }
.cert-issuer p{ margin:0; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--grey-3); }

/* ---------- contatti ---------- */
.contact-list{ list-style:none; margin: 32px 0 28px; padding:0; }
.contact-list li{ padding: 16px 0; border-bottom: 1px solid #2A2A2A; font-family: var(--serif); font-size: 1.1rem; }
.contact-list li span{ display:block; font-family: var(--mono); font-size: 0.64rem; color: var(--grey-3); text-transform:uppercase; letter-spacing:.2em; margin-bottom: 6px; }
.contact-list a{ text-decoration: none; }
.contact-list a:hover{ text-decoration: underline; }

.whatsapp-link{ font-family: var(--mono); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; text-decoration:none; color: var(--white); border-bottom: 2px solid var(--white); padding-bottom: 3px; }

.contact-form{ display:flex; flex-direction:column; gap: 6px; }
.contact-form label{ font-family: var(--mono); font-size: 0.64rem; text-transform:uppercase; letter-spacing:.18em; color: var(--grey-3); margin-top: 20px; font-weight: 600; }
.contact-form input, .contact-form textarea{
  font-family: var(--serif); font-size: 1.05rem; padding: 14px 4px;
  border: none; border-bottom: 2px solid #2A2A2A; background: transparent; color: var(--white);
  border-radius: 0; resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus{ outline: none; border-bottom-color: var(--white); }
.contact-form button{ margin-top: 30px; cursor:pointer; background: var(--white); color: var(--ink); border-color: var(--white); }
.contact-form button:hover{ background: transparent; color: var(--white); }
.form-note{ font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.06em; color: var(--grey-3); min-height: 1.2em; }

/* ---------- footer ---------- */
.site-footer{ padding: 36px 0; border-top: 2px solid var(--ink); }
.footer-row p{ margin:0; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--grey-4); text-transform: uppercase; }

/* ---------- WhatsApp floating button ---------- */
.wa-float{
  position: fixed; bottom: 28px; right: 28px; z-index: 20;
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--ink); color: var(--white); border: 2px solid var(--ink);
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 6px 18px rgba(0,0,0,.3); text-decoration:none;
}

a:focus-visible, button:focus-visible{ outline: 2px solid var(--ink); outline-offset: 3px; }

@media (max-width: 860px){
  .main-nav{ display:none; }
  .hero{ min-height: 78vh; }
  .hero-content{ padding-top: 140px; }
  .two-col{ grid-template-columns: 1fr; }
  .service-grid{ grid-template-columns: 1fr; }
  .fact-strip{ gap: 32px; }
  .section{ padding: 90px 0; }
  .gallery-grid{ grid-template-columns: repeat(2, 1fr); }
  .gallery-item.span-2{ grid-column: span 2; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
}