@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Work+Sans:wght@300;400;500&display=swap');

:root {
  --cream: #faf9f7;
  --white: #ffffff;
  --ink: #1a1a18;
  --ink-mid: #4a4a45;
  --ink-light: #8a8a82;
  --ink-ghost: #c4c4bb;
  --border: #e4e3df;
  --accent: #b8a88a;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:'Work Sans',sans-serif; background:var(--white); color:var(--ink); line-height:1.6; -webkit-font-smoothing:antialiased; }
a { text-decoration:none; color:inherit; }
img { display:block; max-width:100%; height:auto; }
.serif { font-family:'Cormorant Garamond',serif; }

/* ─── NAV ─── */
nav {
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(250,249,247,0.95);
  backdrop-filter:blur(14px);
  padding:17px 56px;
  box-shadow:0 1px 0 var(--border);
  transition:transform .35s;
}
nav.hidden { transform:translateY(-100%); }
.nav-inner {
  max-width:1240px; margin:0 auto;
  display:flex; justify-content:space-between; align-items:center;
}
.nav-logo { font-size:16px; font-weight:300; letter-spacing:5px; color:var(--ink); }
.nav-logo a { color:inherit; }
.nav-links { display:flex; gap:32px; }
.nav-links a { font-size:10px; letter-spacing:2px; color:var(--ink-light); transition:color .3s; text-transform:uppercase; }
.nav-links a:hover, .nav-links a.active { color:var(--ink); }

/* ─── BACK LINK ─── */
.prog-back {
  display:inline-block;
  padding:28px 56px;
  font-size:11px;
  letter-spacing:2px;
  color:var(--ink-light);
  transition:color .3s;
  margin-top:70px;
}
.prog-back:hover { color:var(--accent); }
.prog-back .arr { margin-right:8px; }

/* ─── PROJECT WRAP ─── */
.prog-wrap {
  max-width:900px;
  margin:0 auto;
  padding:0 56px 80px;
}

/* ─── PROJECT HEADER ─── */
.prog-header { margin-bottom:48px; }
.prog-num {
  font-size:10px;
  letter-spacing:4px;
  color:var(--ink-ghost);
  margin-bottom:12px;
}
.prog-title {
  font-size:clamp(32px,4.5vw,48px);
  font-weight:300;
  color:var(--ink);
  line-height:1.15;
  margin-bottom:16px;
}
.prog-meta {
  font-size:13px;
  color:var(--ink-light);
  margin-bottom:20px;
  line-height:1.7;
}
.prog-tags {
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:24px;
}
.tag {
  display:inline-block;
  font-size:9px;
  letter-spacing:1.5px;
  padding:6px 14px;
  border:1px solid;
  border-radius:2px;
  font-weight:500;
}
.prog-desc {
  font-size:15px;
  color:var(--ink-mid);
  line-height:1.9;
  max-width:640px;
}
.prog-desc strong {
  font-family:'Cormorant Garamond',serif;
  font-size:18px;
  font-style:italic;
  color:var(--ink);
}

/* ─── OBIETTIVI CARDS ─── */
.prog-obiettivi {
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px,1fr));
  gap:20px;
  margin:40px 0;
}
.obj-card {
  background:var(--cream);
  border-left:3px solid var(--accent);
  padding:24px 20px;
  transition:transform .3s, box-shadow .3s;
}
.obj-card:hover {
  transform:translateY(-3px);
  box-shadow:0 8px 24px rgba(0,0,0,0.06);
}
.obj-code {
  font-size:11px;
  letter-spacing:2px;
  color:var(--accent);
  font-weight:500;
  margin-bottom:8px;
}
.obj-title {
  font-size:17px;
  font-weight:400;
  font-family:'Cormorant Garamond',serif;
  color:var(--ink);
  margin-bottom:8px;
}
.obj-desc {
  font-size:13px;
  color:var(--ink-light);
  line-height:1.7;
}

/* ─── RTP ─── */
.prog-rtp-label {
  font-size:10px;
  letter-spacing:3px;
  color:var(--ink-ghost);
  margin:32px 0 12px;
  text-transform:uppercase;
}
.prog-rtp-list {
  list-style:none;
  padding:0;
}
.prog-rtp-list li {
  font-size:14px;
  color:var(--ink-mid);
  padding:8px 0 8px 20px;
  border-left:2px solid var(--accent);
  margin-bottom:6px;
}

/* ─── GALLERY ─── */
.prog-gallery {
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:30px;
  padding:40px 0;
}
.prog-gallery img {
  width:100%;
  max-width:800px;
  height:400px;
  object-fit:cover;
  cursor:pointer;
  margin:0 auto;
  transition:all .5s ease;
  filter:grayscale(100%);
}
.prog-gallery img:hover {
  transform:scale(1.02);
  box-shadow:0 10px 30px rgba(0,0,0,0.3);
  filter:grayscale(0%);
}
.prog-gallery img.wide {
  max-width:1200px;
  height:auto;
  object-fit:contain;
}

/* ─── FOOTER ─── */
.site-footer {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:40px 56px;
  background:#0c0c0a;
  color:rgba(255,255,255,0.5);
  font-size:12px;
}
.footer-logo {
  font-size:12px;
  letter-spacing:4px;
  color:rgba(255,255,255,0.5);
  margin-bottom:4px;
}
.footer-reg {
  font-size:10px;
  color:rgba(255,255,255,0.3);
  letter-spacing:1px;
}
.footer-info {
  text-align:right;
  font-size:12px;
  color:rgba(255,255,255,0.5);
  line-height:1.7;
}
.footer-info a {
  color:rgba(255,255,255,0.7);
  transition:color .3s;
}
.footer-info a:hover { color:#fff; }

/* ─── PORTFOLIO PAGE ─── */
.hero {
  padding:140px 56px 60px;
  background:var(--cream);
  text-align:center;
}
.hero-label {
  font-size:10px;
  letter-spacing:5px;
  color:var(--ink-ghost);
  margin-bottom:16px;
}
.hero-title {
  font-size:clamp(38px,5vw,56px);
  font-weight:300;
  color:var(--ink);
  line-height:1.15;
  margin-bottom:12px;
}
.hero-sub {
  font-size:14px;
  color:var(--ink-light);
  letter-spacing:1px;
}
.hero-divider {
  width:48px;
  height:2px;
  background:var(--accent);
  margin:28px auto;
}
.hero-stats {
  display:flex;
  justify-content:center;
  gap:60px;
}
.stat-val {
  font-size:28px;
  font-weight:300;
  color:var(--ink);
  font-family:'Cormorant Garamond',serif;
}
.stat-label {
  font-size:9px;
  letter-spacing:2px;
  color:var(--ink-ghost);
  margin-top:4px;
}

/* ─── FILTER BAR ─── */
.filter-bar {
  display:flex;
  justify-content:center;
  gap:8px;
  padding:32px 56px;
  flex-wrap:wrap;
}
.filter-btn {
  font-size:10px;
  letter-spacing:2px;
  padding:10px 20px;
  border:1px solid var(--border);
  background:transparent;
  color:var(--ink-light);
  cursor:pointer;
  transition:all .3s;
  font-family:'Work Sans',sans-serif;
}
.filter-btn:hover { border-color:var(--ink-light); color:var(--ink); }
.filter-btn.active { background:var(--ink); color:#fff; border-color:var(--ink); }

/* ─── PROJECT GRID ─── */
.project-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(340px,1fr));
  gap:28px;
  padding:20px 56px 80px;
  max-width:1340px;
  margin:0 auto;
}
.project-card {
  display:block;
  border:1px solid var(--border);
  overflow:hidden;
  transition:transform .35s, box-shadow .35s;
}
.project-card:hover {
  transform:translateY(-6px);
  box-shadow:0 16px 48px rgba(0,0,0,0.09);
}
.project-card.hidden { display:none; }
.card-img-wrap { position:relative; overflow:hidden; }
.card-img {
  width:100%;
  height:260px;
  object-fit:cover;
  transition:transform .6s, filter .6s;
  filter:grayscale(100%);
}
.project-card:hover .card-img {
  transform:scale(1.04);
  filter:grayscale(0%);
}
.card-overlay {
  position:absolute; inset:0;
  background:linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
  display:flex; flex-direction:column; justify-content:flex-end;
  padding:24px;
  opacity:0;
  transition:opacity .4s;
}
.project-card:hover .card-overlay { opacity:1; }
.card-overlay-num {
  font-size:48px;
  font-weight:300;
  color:rgba(255,255,255,0.3);
  font-family:'Cormorant Garamond',serif;
  line-height:1;
  margin-bottom:8px;
}
.card-overlay-title {
  font-size:16px;
  color:#fff;
  font-family:'Cormorant Garamond',serif;
}
.card-info { padding:20px 24px; }
.card-tags {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:10px;
}
.card-meta {
  font-size:12px;
  color:var(--ink-light);
  letter-spacing:1px;
}

/* ─── SCROLL REVEAL ─── */
.fade-up {
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s, transform .7s;
}
.fade-up.visible {
  opacity:1;
  transform:translateY(0);
}

/* ─── RESPONSIVE ─── */
@media(max-width:768px) {
  nav { padding:14px 24px; }
  .prog-back { padding:20px 24px; }
  .prog-wrap { padding:0 24px 60px; }
  .project-grid { grid-template-columns:1fr; padding:20px 24px 60px; }
  .hero { padding:100px 24px 40px; }
  .filter-bar { padding:20px 24px; }
  .site-footer { flex-direction:column; gap:16px; text-align:center; padding:32px 24px; }
  .footer-info { text-align:center; }
  .hero-stats { gap:32px; }
  .prog-obiettivi { grid-template-columns:1fr; }
}