/* ==========================================================================
   Paolo Fusaro — Portfolio progetti
   Palette: nero / grigi / blu accento
   ========================================================================== */

:root{
  --black:#000000;
  --gray-900:#1a1a1a;
  --gray-dark:#666666;
  --gray-mid:#979797;
  --gray-light:#EEEEEE;
  --gray-pale:#F7F7F7;
  --white:#ffffff;
  --blue:#0088CC;
  --blue-dark:#006FA6;
  --blue-pale:#E6F4FA;

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
  --shadow-card-hover: 0 4px 10px rgba(0,0,0,.06), 0 16px 40px rgba(0,0,0,.1);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-main);
  color:var(--black);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

.section-inner, .header-inner, .footer-inner{
  max-width:1180px;
  margin:0 auto;
  padding:0 1.75rem;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--gray-light);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:1rem; padding-bottom:1rem;
}
.logo{ display:flex; align-items:baseline; gap:.6rem; }
.logo-mark{
  font-family:var(--font-mono);
  font-weight:700; font-size:1.1rem;
  background:var(--black); color:var(--white);
  padding:.25rem .5rem; border-radius:6px;
}
.logo-dot{ color:var(--blue); }
.logo-text{ font-weight:600; font-size:.95rem; color:var(--black); }
.logo-text em{ font-style:normal; color:var(--gray-dark); font-weight:400; }

.main-nav{ display:flex; gap:1.75rem; }
.main-nav a{
  font-size:.9rem; font-weight:500; color:var(--gray-dark);
  transition:color .2s;
}
.main-nav a:hover{ color:var(--blue); }

/* ---------- Hero ---------- */
.hero{
  padding:5.5rem 0 4.5rem;
  border-bottom:1px solid var(--gray-light);
}
.hero-inner{ max-width:820px; margin:0 auto; padding:0 1.75rem; text-align:center; }
.hero-kicker{
  display:inline-block;
  font-family:var(--font-mono); font-size:.8rem; font-weight:500;
  color:var(--blue); background:var(--blue-pale);
  padding:.4rem .85rem; border-radius:999px; margin-bottom:1.5rem;
}
.hero h1{
  font-size:clamp(2.1rem, 4.2vw, 3.2rem);
  line-height:1.15; font-weight:800; letter-spacing:-.02em;
  margin:0 0 1.25rem;
  color:var(--black);
}
.hero-sub{
  font-size:1.05rem; color:var(--gray-dark); max-width:640px;
  margin:0 auto 2.5rem;
}
.hero-stats{
  display:flex; justify-content:center; gap:2.5rem; flex-wrap:wrap;
  margin-bottom:2.5rem;
  padding:1.5rem 0; border-top:1px solid var(--gray-light); border-bottom:1px solid var(--gray-light);
}
.hero-stat{ display:flex; flex-direction:column; align-items:center; gap:.15rem; }
.hero-stat strong{ font-size:1.25rem; font-weight:800; color:var(--black); }
.hero-stat span{ font-size:.8rem; color:var(--gray-dark); }

.hero-cta{
  display:inline-block;
  background:var(--black); color:var(--white);
  font-weight:600; font-size:.95rem;
  padding:.85rem 1.75rem; border-radius:999px;
  transition:background .2s, transform .2s;
}
.hero-cta:hover{ background:var(--blue); transform:translateY(-2px); }

/* ---------- Section heads (shared) ---------- */
.projects, .contact{ padding:5rem 0; }
.contact{ background:var(--gray-pale); border-top:1px solid var(--gray-light); }
.section-kicker{
  display:block; font-family:var(--font-mono); font-size:.8rem; font-weight:600;
  color:var(--blue); text-transform:uppercase; letter-spacing:.06em; margin-bottom:.6rem;
}
.projects h2, .contact h2{
  font-size:clamp(1.6rem, 3vw, 2.2rem); font-weight:800; letter-spacing:-.01em;
  margin:0 0 .75rem;
}
.section-sub{ color:var(--gray-dark); max-width:560px; margin:0 0 2.75rem; font-size:1rem; }

/* ---------- Project grid ---------- */
.projects-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:2rem;
}
.project-card{
  background:var(--white);
  border:1px solid var(--gray-light);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:box-shadow .25s, transform .25s;
  display:flex; flex-direction:column;
}
.project-card:hover{
  box-shadow:var(--shadow-card-hover);
  transform:translateY(-3px);
}

/* mini browser chrome */
.project-preview{ background:var(--gray-900); }
.browser-bar{
  display:flex; align-items:center; gap:.6rem;
  padding:.6rem .8rem;
  background:var(--gray-900);
}
.browser-dots{ display:flex; gap:.35rem; flex-shrink:0; }
.browser-dots i{
  width:9px; height:9px; border-radius:50%;
  background:#4a4a4a; display:block;
}
.browser-url{
  flex:1;
  background:#2b2b2b; color:#bdbdbd;
  font-family:var(--font-mono); font-size:.72rem;
  padding:.3rem .7rem; border-radius:6px;
  text-align:center; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}

.iframe-wrap{
  position:relative;
  width:100%; height:300px;
  background:var(--gray-light);
  overflow:hidden;
}

/* ---------------------------------------------------------------------
   Preview live diretta: l'iframe del sito reale si carica automaticamente
   (lazy, al primo ingresso in viewport) e appare in dissolvenza sopra il
   pannello con le iniziali, che resta come sfondo di caricamento.
   ------------------------------------------------------------------- */

.preview-skeleton{
  position:absolute; inset:0; z-index:1;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(145deg, var(--card-a, var(--blue)) 0%, var(--card-b, var(--blue-dark)) 100%);
}
.preview-initials{
  font-family:var(--font-mono); font-weight:700; font-size:2.4rem;
  color:rgba(255,255,255,.35);
  letter-spacing:.05em;
}

.iframe-wrap iframe{
  position:absolute; inset:0; z-index:2;
  width:100%; height:100%; border:0; display:block;
  background:var(--white);
  opacity:0; animation:fadeInIframe .4s ease forwards;
}
@keyframes fadeInIframe{
  from{ opacity:0; }
  to{ opacity:1; }
}

.project-body{ padding:1.5rem; display:flex; flex-direction:column; gap:1rem; flex:1; }
.project-head h3{ margin:0 0 .2rem; font-size:1.15rem; font-weight:700; }
.project-role{ font-size:.85rem; color:var(--gray-dark); }
.project-desc{ margin:0; font-size:.92rem; color:var(--gray-dark); flex:1; }

.project-meta{ display:flex; align-items:center; justify-content:space-between; gap:.75rem; flex-wrap:wrap; }

.ig-card{
  display:flex; align-items:center; gap:.65rem;
  border:1px solid var(--gray-light); border-radius:999px;
  padding:.35rem .9rem .35rem .35rem;
  transition:border-color .2s, background .2s, transform .2s;
  flex:1; min-width:0;
}
.ig-card:hover{ border-color:var(--blue); background:var(--blue-pale); transform:translateY(-1px); }

/* avatar con "ring" in stile storia Instagram */
.ig-avatar-ring{
  width:2.5rem; height:2.5rem; border-radius:50%; flex-shrink:0;
  padding:2px;
  background:linear-gradient(135deg, #405DE6 0%, #5851DB 20%, #833AB4 40%, #C13584 60%, #E1306C 75%, #FD1D1D 88%, #FCAF45 100%);
  display:flex; align-items:center; justify-content:center;
}
.ig-avatar{
  width:100%; height:100%; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:var(--white); color:var(--black);
  font-family:var(--font-mono); font-weight:700; font-size:.7rem;
  border:2px solid var(--white);
}
.ig-info{ display:flex; flex-direction:column; min-width:0; }
.ig-info strong{ font-size:.8rem; font-weight:600; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.ig-info small{ font-size:.68rem; color:var(--gray-mid); }
.ig-icon{ width:16px; height:16px; fill:var(--gray-mid); flex-shrink:0; margin-left:auto; }

.btn-visit{
  background:var(--black); color:var(--white);
  font-size:.82rem; font-weight:600;
  padding:.6rem 1rem; border-radius:999px;
  white-space:nowrap;
  transition:background .2s;
}
.btn-visit:hover{ background:var(--blue); }

.projects-note{
  text-align:center; color:var(--gray-mid); font-size:.85rem;
  margin-top:2.75rem; font-style:italic;
}

/* ---------- Contact ---------- */
.contact-row{ display:flex; gap:1.5rem; flex-wrap:wrap; }
.contact-item{
  display:flex; align-items:center; gap:.75rem;
  background:var(--white); border:1px solid var(--gray-light);
  border-radius:999px; padding:.8rem 1.4rem;
  font-weight:600; font-size:.95rem;
  transition:border-color .2s, color .2s;
}
.contact-item:hover{ border-color:var(--blue); color:var(--blue); }
.contact-icon{ font-size:1.1rem; }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--gray-light); padding:2rem 0; }
.footer-inner{
  display:flex; gap:.6rem; flex-wrap:wrap; justify-content:center;
  font-size:.82rem; color:var(--gray-mid);
}
.footer-sep{ color:var(--gray-light); }

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .projects-grid{ grid-template-columns: 1fr; }
  .logo-text{ display:none; }
}

@media (max-width: 560px){
  .hero{ padding:3.5rem 0 3rem; }
  .hero-stats{ gap:1.5rem; }
  .project-meta{ flex-direction:column; align-items:stretch; }
  .ig-card{ width:100%; }
  .btn-visit{ text-align:center; }
}