/* ============================================================
   FONTS (self-hosted)
   ============================================================ */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('../fonts/inter-latin-300.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/inter-latin-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/inter-latin-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/inter-latin-700.woff2') format('woff2');
}

/* ============================================================
   RESET & VARIABLES
   ============================================================ */
:root {
  --white:      #ffffff;
  --black:      #0a0a0a;
  --gray-text:  #6b6b6b;
  --gray-line:  #e0e0e0;
  --gray-bg:    #f5f5f5;
  --dark-bg:    #0a0a0a;
  --hover-ov:   rgba(0, 0, 0, 0.75);

  --font:       'Inter', system-ui, sans-serif;

  --nav-h:      72px;
  --ease:       cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --t-med:      0.4s var(--ease);
  --t-fast:     0.2s ease;

  --section-py: clamp(5rem, 9vw, 8rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--black);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ============================================================
   TYPOGRAPHY HELPERS
   ============================================================ */
.section-tag {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-text);
  margin-bottom: 1rem;
}
.section-tag--light { color: rgba(255,255,255,0.45); }

.section-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--black);
}
.section-title--light { color: var(--white); }

.section-head {
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
  text-align: center;
}
.section-head--left { text-align: left; }

/* ============================================================
   LAYOUT
   ============================================================ */
.section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
}
.section--gray { background-color: var(--gray-bg); }
.section--dark { background-color: var(--dark-bg); }

/* ============================================================
   NAVBAR
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background-color 0.35s ease, box-shadow 0.35s ease;
}
.site-nav.is-solid {
  background-color: var(--white);
  box-shadow: 0 1px 0 var(--gray-line);
}

.nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--white);
  white-space: nowrap;
  transition: color var(--t-fast);
}
.site-nav.is-solid .nav-logo { color: var(--black); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  transition: color var(--t-fast);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: -3px;
  height: 1px;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med);
}
.nav-link:hover,
.nav-link.is-active { color: var(--white); }
.nav-link:hover::after,
.nav-link.is-active::after { transform: scaleX(1); }

.site-nav.is-solid .nav-link { color: var(--gray-text); }
.site-nav.is-solid .nav-link::after { background: var(--black); }
.site-nav.is-solid .nav-link:hover,
.site-nav.is-solid .nav-link.is-active { color: var(--black); font-weight: 500; }

.nav-link--cta {
  padding: 0.5rem 1.25rem;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 2px;
  color: var(--white) !important;
  transition: background-color var(--t-fast), border-color var(--t-fast);
}
.nav-link--cta::after { display: none; }
.nav-link--cta:hover {
  background-color: var(--white);
  border-color: var(--white);
  color: var(--black) !important;
}
.site-nav.is-solid .nav-link--cta {
  border-color: var(--black);
  color: var(--black) !important;
  background: transparent;
}
.site-nav.is-solid .nav-link--cta:hover {
  background-color: var(--black);
  color: var(--white) !important;
}

/* Burger */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2rem;
  height: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-burger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--white);
  border-radius: 1px;
  transition: background var(--t-fast), transform 0.3s ease, opacity 0.3s ease;
}
.site-nav.is-solid .nav-burger span { background: var(--black); }

.nav-burger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 767px) {
  .nav-burger { display: flex; }

  .nav-menu {
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    background: var(--white);
    pointer-events: none;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }
  .nav-menu.is-open {
    pointer-events: auto;
    opacity: 1;
    transform: translateY(0);
  }
  .nav-link { color: var(--black) !important; font-size: 1.1rem; }
  .nav-link::after { background: var(--black) !important; }
  .nav-link--cta {
    border-color: var(--black) !important;
    color: var(--black) !important;
  }
  .nav-link--cta:hover {
    background: var(--black) !important;
    color: var(--white) !important;
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: grayscale(100%);
  transform: scale(1.04);
  transition: transform 10s ease;
}
.hero.loaded .hero-bg-img { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.45) 0%,
    rgba(0,0,0,0.3) 50%,
    rgba(0,0,0,0.65) 100%
  );
}

.hero-body {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 1.5rem;
  max-width: 860px;
}

.hero-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 1.75rem;
}

.hero-name {
  font-size: clamp(3.5rem, 9vw, 7.5rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.0;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: clamp(0.85rem, 1.4vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* Hero scroll arrow */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-scroll-line {
  display: block;
  width: 1px;
  height: 56px;
  background: rgba(255,255,255,0.35);
  position: relative;
  overflow: hidden;
}
.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.8);
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown {
  0%   { top: -100%; }
  100% { top: 100%; }
}

/* ============================================================
   FADE-IN (hero — timed, no IntersectionObserver)
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.delay-0 { transition-delay: 0.3s; }
.delay-1 { transition-delay: 0.55s; }
.delay-2 { transition-delay: 0.8s; }
.delay-3 { transition-delay: 1s; }

/* ============================================================
   REVEAL (scroll-triggered)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }

/* ============================================================
   PROJECTS GRID (asimmetrica)
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 340px;
  gap: 12px;
}

.proj-card--wide  { grid-column: span 2; }
.proj-card--tall  { grid-row: span 2; }

.proj-card-inner {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  outline-offset: 3px;
}

.proj-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 0.6s var(--ease), filter 0.4s ease;
}
.proj-card-inner:hover .proj-img,
.proj-card-inner:focus-visible .proj-img {
  transform: scale(1.05);
}

.proj-overlay {
  position: absolute;
  inset: 0;
  background: var(--hover-ov);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.proj-card-inner:hover .proj-overlay,
.proj-card-inner:focus-visible .proj-overlay { opacity: 1; }

.proj-info { transform: translateY(10px); transition: transform 0.4s var(--ease); }
.proj-card-inner:hover .proj-info,
.proj-card-inner:focus-visible .proj-info { transform: translateY(0); }

.proj-cat {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 0.3rem;
}
.proj-name {
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 0.2rem;
  line-height: 1.3;
}
.proj-year {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
}

@media (max-width: 991px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 280px;
  }
  .proj-card--wide  { grid-column: span 2; }
  .proj-card--tall  { grid-row: span 1; }
}

@media (max-width: 575px) {
  .projects-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 260px;
  }
  .proj-card--wide  { grid-column: span 1; }
  .proj-overlay { opacity: 1; }
  .proj-info { transform: translateY(0); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.about-img-wrap { position: relative; }
.about-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: grayscale(100%);
}

.about-content { padding-top: 1rem; }

.about-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray-text);
  margin-bottom: 1.25rem;
}

.about-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-line);
}
.about-stat { display: flex; flex-direction: column; gap: 0.2rem; }
.stat-n {
  font-size: 2.25rem;
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--black);
  line-height: 1;
}
.stat-l {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-text);
}

@media (max-width: 767px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-img { aspect-ratio: 4/3; }
}

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gray-line);
  border: 1px solid var(--gray-line);
}

.service-item {
  position: relative;
  padding: 2.5rem 2rem 2.5rem;
  background: var(--white);
  overflow: hidden;
  transition: background-color var(--t-fast);
}
.service-item:hover { background-color: var(--gray-bg); }

.service-n {
  display: block;
  font-size: 5rem;
  font-weight: 700;
  color: var(--gray-line);
  line-height: 1;
  margin-bottom: 2rem;
  letter-spacing: -0.04em;
  user-select: none;
  transition: color var(--t-fast);
}
.service-item:hover .service-n { color: #d8d8d8; }

.service-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.service-desc {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--gray-text);
}

@media (max-width: 991px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
}

.contact-list { margin-top: 3rem; }

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.contact-item:last-child { border-bottom: none; }

.contact-label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}
.contact-value {
  font-size: 1rem;
  font-weight: 300;
  color: var(--white);
  transition: color var(--t-fast);
}
a.contact-value:hover { color: rgba(255,255,255,0.6); }


/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #050505;
  padding: 2rem 0;
}
.footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  margin: 0;
}
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.footer-link {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.55);
  transition: color var(--t-fast);
}
.footer-link:hover { color: rgba(255,255,255,0.9); }

/* ============================================================
   CONTAINER OVERRIDE
   ============================================================ */
.container-xl {
  max-width: 1320px;
  margin: 0 auto;
  padding-left: clamp(1.25rem, 4vw, 3rem);
  padding-right: clamp(1.25rem, 4vw, 3rem);
}

/* ============================================================
   SELECTION
   ============================================================ */
::selection { background: var(--black); color: var(--white); }

/* ============================================================
   BTN-MORE (index.html — esplora tutti i progetti)
   ============================================================ */
.projects-more {
  margin-top: 3.5rem;
  text-align: center;
}
.btn-more {
  display: inline-block;
  padding: 0.85rem 2.25rem;
  border: 1px solid var(--black);
  background: transparent;
  color: var(--black);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease;
}
.btn-more:hover {
  background-color: var(--black);
  color: var(--white);
}

/* ============================================================
   PAGE HERO (subpages — altezza 40vh)
   ============================================================ */
.page-hero {
  height: 40vh;
  min-height: 280px;
  background-color: var(--dark-bg);
  display: flex;
  align-items: flex-end;
  padding-bottom: 3.5rem;
}
.page-hero-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  width: 100%;
}
.page-hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--white);
  margin-bottom: 0.6rem;
}
.page-hero-sub {
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.38);
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.filter-bar {
  border-bottom: 1px solid var(--gray-line);
  background: var(--white);
  position: sticky;
  top: var(--nav-h);
  z-index: 100;
}
.filter-bar-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.filter-bar-inner::-webkit-scrollbar { display: none; }

.filter-btn {
  flex-shrink: 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 1.1rem 1.4rem;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-text);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
  margin-bottom: -1px;
}
.filter-btn:hover {
  color: var(--black);
  border-bottom-color: var(--gray-line);
}
.filter-btn.is-active {
  color: var(--black);
  border-bottom-color: var(--black);
}

/* ============================================================
   PROJECT DETAIL (progetto-template.html)
   ============================================================ */

/* Hero 50vh */
.proj-hero {
  min-height: 50vh;
  background-color: #0a0a0a;
  display: flex;
  align-items: flex-end;
  padding-top: calc(var(--nav-h) + 3rem);
  padding-bottom: 4rem;
}
.proj-hero-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  width: 100%;
}
.proj-hero-meta {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.proj-hero-sep { opacity: 0.3; }
.proj-hero-title {
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--white);
}

/* Immagine principale fullwidth */
.proj-main-img-wrap {
  width: 100%;
  line-height: 0;
  background: var(--gray-bg);
}
.proj-main-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Descrizione + scheda */
.proj-desc-section {
  padding-top: clamp(4rem, 7vw, 6rem);
  padding-bottom: clamp(4rem, 7vw, 6rem);
}
.proj-desc-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}
.proj-desc-text p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--gray-text);
  margin-bottom: 1.5rem;
}
.proj-desc-text p:last-child { margin-bottom: 0; }

.proj-scheda { border-top: 2px solid var(--black); }
.scheda-title {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-text);
  padding-top: 1.5rem;
  margin-bottom: 0.25rem;
}
.scheda-list { display: flex; flex-direction: column; }
.scheda-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--gray-line);
}
.scheda-item:last-child { border-bottom: none; }
.scheda-item dt {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-text);
  flex-shrink: 0;
}
.scheda-item dd {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--black);
  margin: 0;
  text-align: right;
}

@media (max-width: 767px) {
  .proj-desc-grid { grid-template-columns: 1fr; }
}

/* Galleria 2 colonne */
.proj-gallery-section {
  padding-bottom: clamp(4rem, 7vw, 6rem);
}
.proj-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.proj-gallery-item { overflow: hidden; }
.proj-gallery-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease);
}
.proj-gallery-item:hover .proj-gallery-img { transform: scale(1.04); }

@media (max-width: 575px) {
  .proj-gallery { grid-template-columns: 1fr; }
}

/* Navigazione progetti */
.proj-nav-bar {
  border-top: 1px solid var(--gray-line);
  padding: 2rem 0;
}
.proj-nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}
.proj-nav-prev,
.proj-nav-next {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--t-fast), gap var(--t-fast);
}
.proj-nav-prev { justify-content: flex-start; }
.proj-nav-next { justify-content: flex-end; }
.proj-nav-prev:hover,
.proj-nav-next:hover { color: var(--black); gap: 0.75rem; }
.proj-nav-all {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-text);
  text-align: center;
  padding: 0.5rem 1rem;
  border: 1px solid var(--gray-line);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.proj-nav-all:hover { color: var(--black); border-color: var(--black); }

@media (max-width: 575px) {
  .proj-nav-inner {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
  }
  .proj-nav-all {
    grid-column: 1 / -1;
    order: -1;
    margin-bottom: 0.5rem;
  }
  .proj-nav-prev { justify-content: flex-start; }
  .proj-nav-next { justify-content: flex-end; }
}

/* ============================================================
   ALL-PROJECTS GRID (progetti.html)
   ============================================================ */
.all-projects-section {
  padding-top: 4rem;
  padding-bottom: var(--section-py);
}
.all-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem 1.5rem;
}

/* ── Card ── */
.pcard {
  transition: opacity 0.25s ease;
}
.pcard-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.pcard-img-wrap {
  position: relative;
  height: 280px;
  overflow: hidden;
  background-color: var(--gray-bg);
}
.pcard-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.pcard-link:hover .pcard-img { transform: scale(1.04); }

.pcard-hover {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.25rem;
  color: var(--white);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.pcard-link:hover .pcard-hover { opacity: 1; }

.pcard-link.no-link { cursor: default; }
.pcard-link.no-link:hover .pcard-img { transform: scale(1); }
.pcard-link.no-link:hover .pcard-hover { opacity: 0; }

.pcard-body {
  padding: 1rem 0 0.25rem;
}
.pcard-cat {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-text);
  margin-bottom: 0.3rem;
}
.pcard-title {
  font-size: 1rem;
  font-weight: 400;
  color: var(--black);
  margin: 0 0 0.2rem;
  line-height: 1.35;
}
.pcard-year {
  font-size: 0.78rem;
  color: var(--gray-text);
  margin: 0;
}

/* Responsive */
@media (max-width: 991px) {
  .all-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .all-grid { grid-template-columns: 1fr; }
  .pcard-img-wrap { height: 240px; }
}

/* ============================================================
   LEGAL (privacy)
   ============================================================ */
.legal { padding: calc(var(--nav-h) + var(--section-py)) 0 var(--section-py); }
.legal-body { max-width: 720px; }
.legal-body h2 {
  font-size: 1.05rem;
  font-weight: 500;
  margin: 2.5rem 0 0.75rem;
}
.legal-body p { color: var(--gray-text); font-size: 0.95rem; margin-bottom: 1rem; }
.legal-body a { color: var(--black); text-decoration: underline; text-underline-offset: 3px; }
.legal-date { margin-top: 2.5rem; font-size: 0.8rem !important; }

/* ============================================================
   GALLERIA A MOSAICO + LIGHTBOX
   ============================================================ */
.gallery-heading {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-text);
  margin: 3rem 0 1rem;
}
.gallery-heading:first-child { margin-top: 0; }

.mosaic {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.mosaic-item {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--gray-bg);
}
.mosaic-btn {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}
.mosaic-btn img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.mosaic-btn:hover img { transform: scale(1.03); }
.mosaic-btn:focus-visible { outline: 2px solid var(--black); outline-offset: -4px; }

.m-wide   { grid-column: span 6; aspect-ratio: 16 / 9; }
.m-half,
.m-half-a { grid-column: span 3; aspect-ratio: 3 / 2; }
.m-half-p { grid-column: span 3; aspect-ratio: 3 / 4; }
.m-sq     { grid-column: span 3; aspect-ratio: 1 / 1; }
.m-tall   { grid-column: span 3; grid-row: span 2; }
.m-l1     { grid-column: 1 / span 3; grid-row: 1; aspect-ratio: 3 / 2; }
.m-l2     { grid-column: 1 / span 3; grid-row: 2; aspect-ratio: 3 / 2; }
.m-tall-r { grid-column: 4 / span 3; grid-row: 1 / span 2; }

@media (max-width: 767px) {
  .mosaic { grid-template-columns: 1fr; }
  .m-wide, .m-half, .m-half-a, .m-half-p, .m-sq, .m-tall, .m-l1, .m-l2, .m-tall-r { grid-column: auto; grid-row: auto; }
  .m-tall, .m-tall-r { aspect-ratio: 2 / 3; }
  .m-sq { aspect-ratio: 4 / 3; }
}

.lb {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 10, 0.94);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s;
}
.lb.is-open { opacity: 1; visibility: visible; }
.lb-img {
  max-width: 92vw;
  max-height: 86vh;
  width: auto;
  height: auto;
  object-fit: contain;
}
.lb-btn {
  position: absolute;
  background: none;
  border: 0;
  color: var(--white);
  cursor: pointer;
  padding: 1rem;
  font-size: 1.75rem;
  line-height: 1;
  opacity: 0.7;
  transition: opacity var(--t-fast);
}
.lb-btn:hover, .lb-btn:focus-visible { opacity: 1; }
.lb-close { top: 0.5rem; right: 0.75rem; }
.lb-prev  { left: 0.5rem; top: 50%; transform: translateY(-50%); }
.lb-next  { right: 0.5rem; top: 50%; transform: translateY(-50%); }
.lb-count {
  position: absolute;
  bottom: 1rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.6);
}

.gallery-note {
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--gray-text);
}

/* ============================================================
   TRANSIZIONI TRA PAGINE + ACCESSIBILITA' MOVIMENTO
   ============================================================ */
@view-transition { navigation: auto; }
.site-nav { view-transition-name: site-nav; }
::view-transition-old(root),
::view-transition-new(root) { animation-duration: 0.35s; }

@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .fade-in { opacity: 1 !important; transform: none !important; }
}