/* =========================================
   DESIGN SYSTEM — Giardini di Erodoto
   ========================================= */

:root {
  --color-bg:       #F7F5F0;
  --color-white:    #FFFFFF;
  --color-dark:     #16151A;
  --color-dark-80:  rgba(22, 21, 26, 0.8);
  --color-green:    #2B4538;
  --color-green-lt: #3D6150;
  --color-tan:      #C4A882;
  --color-tan-lt:   #DDD0BC;
  --color-beige:    #EDE9E0;
  --color-gray:     #8A8880;
  --color-border:   #E0DDD6;

  --font-display:   'Cormorant Garamond', Georgia, serif;
  --font-body:      'Inter', system-ui, sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  --shadow-sm: 0 2px 8px rgba(22,21,26,0.06);
  --shadow-md: 0 8px 32px rgba(22,21,26,0.10);
  --shadow-lg: 0 24px 64px rgba(22,21,26,0.14);

  --nav-h: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-dark);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ── */
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.1; letter-spacing: -0.01em; }
h1 { font-size: clamp(3rem, 8vw, 7rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }
p  { line-height: 1.7; color: var(--color-gray); }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-tan);
  margin-bottom: 1rem;
}
.eyebrow-light { color: var(--color-tan-lt); }

.body-large { font-size: 1.1rem; line-height: 1.75; }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 2rem;
}
.container-narrow {
  max-width: 800px;
}
.section {
  padding: 7rem 0;
}
.section-dark {
  background: var(--color-dark);
  color: var(--color-white);
}
.section-dark p { color: rgba(255,255,255,0.65); }
.section-dark h2 { color: var(--color-white); }
.section-beige { background: var(--color-beige); }
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}
.section-intro {
  margin-top: 1.2rem;
  font-size: 1.05rem;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--color-green);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--color-green-lt);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(43,69,56,0.3);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.5);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), background var(--transition);
}
.btn-outline:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.1);
}
.btn-ghost {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-dark);
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.btn-ghost:hover { border-color: var(--color-dark); }
.btn-lg { padding: 1.1rem 2.4rem; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* ── Fade-in animations ── */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* =========================================
   NAVBAR
   ========================================= */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}
#navbar.scrolled {
  background: rgba(247, 245, 240, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}
#navbar.scrolled .btn-ghost { color: var(--color-dark); }
#navbar.scrolled .nav-links a { color: var(--color-dark); }
.nav-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: var(--nav-h);
  padding: 0 2.5rem;
}
.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  flex-shrink: 0;
}
.logo-main {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-white);
  transition: color var(--transition);
  line-height: 1;
}
#navbar.scrolled .logo-main { color: var(--color-dark); }
.logo-sub {
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
#navbar.scrolled .logo-sub { color: var(--color-gray); }
.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--color-white); }
#navbar.scrolled .nav-links a { color: var(--color-gray); }
#navbar.scrolled .nav-links a:hover { color: var(--color-dark); }
.nav-ctas {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-shrink: 0;
}
#navbar:not(.scrolled) .btn-ghost { color: rgba(255,255,255,0.85); }
#navbar:not(.scrolled) .btn-ghost:hover { border-color: rgba(255,255,255,0.5); color: white; }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-white);
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}
#navbar.scrolled .nav-hamburger span { background: var(--color-dark); }
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 1.5rem 2.5rem 2rem;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 0.75rem 0;
  font-size: 0.9rem;
  color: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
}
.nav-mobile a:last-child { border-bottom: none; }
.mobile-cta { margin-top: 1.5rem; text-align: center; }

/* =========================================
   HERO
   ========================================= */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-slides {
  position: absolute;
  inset: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}
.hero-slide.active { opacity: 1; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(22,21,26,0.55) 0%,
    rgba(22,21,26,0.25) 60%,
    rgba(22,21,26,0.4) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding: 0 1.5rem;
  max-width: 860px;
}
.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-tan-lt);
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 8rem);
  font-weight: 300;
  line-height: 1.0;
  color: var(--color-white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.8);
  line-height: 1.65;
  margin-bottom: 2.5rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-indicators {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
  z-index: 3;
}
.indicator {
  width: 28px;
  height: 2px;
  background: rgba(255,255,255,0.35);
  border-radius: 2px;
  padding: 0;
  transition: background var(--transition), width var(--transition);
}
.indicator.active {
  background: var(--color-white);
  width: 48px;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  right: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 3;
  color: rgba(255,255,255,0.6);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.scroll-arrow {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

/* =========================================
   IL PROGETTO
   ========================================= */
.progetto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}
.progetto-text h2 {
  margin: 0.5rem 0 1.5rem;
  color: var(--color-dark);
}
.progetto-text p { margin-bottom: 1.2rem; }
.contratti {
  display: flex;
  gap: 2rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  align-items: center;
}
.contratto-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.contratto-label {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-dark);
  font-weight: 500;
}
.contratto-desc {
  font-size: 0.82rem;
  color: var(--color-gray);
  letter-spacing: 0.02em;
}
.contratto-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}
.progetto-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.5rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.feature-icon {
  width: 36px;
  height: 36px;
  color: var(--color-green);
  margin-bottom: 1rem;
}
.feature-icon svg { width: 100%; height: 100%; }
.feature-card h3 {
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}
.feature-card p { font-size: 0.85rem; line-height: 1.6; }

/* =========================================
   TIPOLOGIE
   ========================================= */
.tipologie-tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 4rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.tab-btn {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  padding: 0.85rem 2.2rem;
  background: transparent;
  border-right: 1px solid rgba(255,255,255,0.15);
  transition: background var(--transition), color var(--transition);
}
.tab-btn:last-child { border-right: none; }
.tab-btn.active {
  background: var(--color-green);
  color: var(--color-white);
}
.tab-btn:hover:not(.active) {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.85);
}
.tipologia-panel { display: none; }
.tipologia-panel.active { display: block; }
.tipologia-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 5rem;
  align-items: start;
}
.tipologia-info h3 {
  font-size: 2.4rem;
  color: var(--color-white);
  margin: 0.5rem 0 1rem;
}
.tipologia-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 2rem;
}
.tipologia-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 2rem;
}
.tipologia-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
}
.tipologia-features li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-tan);
  flex-shrink: 0;
}
.tipologia-superfici {
  font-size: 0.8rem;
  color: var(--color-tan-lt);
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.planimetria-wrap {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.planimetria-wrap img {
  width: 100%;
  height: auto;
  display: block;
}
.planimetria-badge {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(22,21,26,0.75);
  color: rgba(255,255,255,0.85);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: 3px;
  backdrop-filter: blur(4px);
}
.duplex-planimetrie {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

/* =========================================
   GALLERIA
   ========================================= */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 240px;
  gap: 12px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item--large {
  grid-column: span 2;
  grid-row: span 2;
}
.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(22,21,26,0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.gallery-item-overlay span {
  color: var(--color-white);
  font-size: 2rem;
  font-weight: 300;
  opacity: 0;
  transform: scale(0.7);
  transition: opacity var(--transition), transform var(--transition);
}
.gallery-item:hover .gallery-item-overlay { background: rgba(22,21,26,0.35); }
.gallery-item:hover .gallery-item-overlay span { opacity: 1; transform: scale(1); }

/* =========================================
   IL QUARTIERE
   ========================================= */
.quartiere-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.quartiere-text h2 {
  margin: 0.5rem 0 1.5rem;
  color: var(--color-dark);
}
.quartiere-text > p {
  margin-bottom: 2.5rem;
  font-size: 1rem;
}
.quartiere-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.qh-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.qh-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  flex-shrink: 0;
  margin-top: 5px;
}
.qh-item strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 0.1rem;
}
.qh-item span {
  font-size: 0.82rem;
  color: var(--color-gray);
}
.quartiere-visual {
  position: relative;
}
.quartiere-image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
}
.quartiere-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.quartiere-badge {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background: var(--color-green);
  color: var(--color-white);
  padding: 1.2rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
}
.badge-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 500;
  line-height: 1;
  color: var(--color-white);
}
.badge-text {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-top: 0.3rem;
}

/* =========================================
   LEAD FORM
   ========================================= */
.form-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.form-header h2 { margin: 0.5rem 0 1rem; }
.lead-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.form-group--full { grid-column: 1 / -1; }
.form-group label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-dark);
}
.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-dark);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A8880' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(43,69,56,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--color-tan-lt); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group--privacy { margin-top: 0.5rem; }
.privacy-label {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.8rem;
  color: var(--color-gray);
  font-weight: 400;
}
.privacy-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
  accent-color: var(--color-green);
  padding: 0;
}
.privacy-link { color: var(--color-green); text-decoration: underline; }
.form-submit { margin-top: 0.5rem; }
.btn-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.form-success {
  text-align: center;
  padding: 2rem;
}
.success-icon {
  width: 56px;
  height: 56px;
  background: var(--color-green);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 1rem;
}
.form-success h3 {
  font-size: 1.5rem;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

/* =========================================
   CONTATTI
   ========================================= */
.section-contatti { padding-bottom: 7rem; }
.contatti-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.contatti-info h2 {
  margin: 0.5rem 0 1.2rem;
  color: var(--color-white);
}
.contatti-items {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-top: 2.5rem;
}
.contatti-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.contatti-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-tan);
  flex-shrink: 0;
}
.contatti-item a,
.contatti-item span {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.8);
  transition: color var(--transition);
}
.contatti-item a:hover { color: var(--color-white); }
.cta-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
}
.cta-card h3 {
  color: var(--color-white);
  font-size: 1.6rem;
  margin-bottom: 1rem;
}
.cta-card p {
  margin-bottom: 2rem;
  color: rgba(255,255,255,0.6);
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: #0F0E12;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.footer-brand .logo-main { font-size: 1rem; }
.footer-address {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.footer-nav {
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.footer-nav a:hover { color: rgba(255,255,255,0.85); }
.footer-legal {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
}
.footer-legal a {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  text-decoration: underline;
}
.footer-legal span {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.25);
}

/* =========================================
   LIGHTBOX
   ========================================= */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10,10,12,0.95);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.lightbox.open {
  opacity: 1;
  pointer-events: all;
}
.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
#lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}
.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  color: rgba(255,255,255,0.7);
  font-size: 2.5rem;
  font-weight: 300;
  line-height: 1;
  transition: color var(--transition);
}
.lightbox-close:hover { color: var(--color-white); }
.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 2rem;
  padding: 1rem;
  transition: color var(--transition);
}
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }
.lightbox-prev:hover,
.lightbox-next:hover { color: var(--color-white); }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .progetto-grid { grid-template-columns: 1fr; gap: 3rem; }
  .tipologia-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .contatti-grid { grid-template-columns: 1fr; gap: 3rem; }
  .quartiere-grid { grid-template-columns: 1fr; gap: 3rem; }
  .quartiere-badge { bottom: 1rem; left: 1rem; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item--large { grid-column: span 2; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .section { padding: 5rem 0; }
  .nav-links, .nav-ctas { display: none; }
  .nav-hamburger { display: flex; }
  .nav-inner { padding: 0 1.5rem; }
  .progetto-features { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .lead-form { padding: 2rem 1.5rem; }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 180px;
  }
  .gallery-item--large { grid-column: span 2; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-legal { align-items: flex-start; }
  .duplex-planimetrie { grid-template-columns: 1fr; }
  .hero-scroll-hint { display: none; }
  .hero-actions { flex-direction: column; align-items: center; }
  .contatti-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .section { padding: 4rem 0; }
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }
  .gallery-item--large { grid-column: span 1; grid-row: span 1; }
  .tipologie-tabs { width: 100%; }
  .tab-btn { flex: 1; padding: 0.85rem 1rem; font-size: 0.72rem; }
}