/* ══════════════════════════════════════════
   STUDIO GEOTOGNOLO — style.css
   Shared styles for all pages
   ══════════════════════════════════════════ */

/* ── Reset & Variables ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --color-bg: #FAFAF5;
  --color-bg-warm: #F0EDE6;
  --color-text: #1A1A18;
  --color-text-secondary: #5A5A52;
  --color-accent: #3D5A44;
  --color-accent-light: #4A6B52;
  --color-border: #C8C4B8;
  --color-card-border: #8FA38A;
  --color-footer-bg: #2A3730;
  --color-footer-text: #D4D4CC;
  --color-white: #FFFFFF;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: rgba(250, 250, 245, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(200, 196, 184, 0.4);
  z-index: 100;
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
  white-space: nowrap;
}

.nav-desktop {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-desktop a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
  transition: color 0.25s;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav-desktop a:hover::after,
.nav-desktop a.active::after {
  width: 100%;
}

.nav-desktop a.active {
  color: var(--color-accent);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 32px;
  height: 32px;
  position: relative;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 0 auto;
  transition: all 0.3s;
}

.nav-toggle span:nth-child(1) { transform: translateY(-4px); }
.nav-toggle span:nth-child(3) { transform: translateY(4px); }

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

.nav-mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--color-bg);
  z-index: 105;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.nav-mobile.open { display: flex; }

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-text);
  transition: color 0.2s;
}

.nav-mobile a:hover { color: var(--color-accent); }

/* ── Page Hero ── */
.page-hero {
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: 40px;
}

.page-hero-label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  font-weight: 500;
  opacity: 0;
  animation: fadeUp 0.6s 0.15s forwards;
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  line-height: 1.12;
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeUp 0.6s 0.3s forwards;
}

.page-hero-title-lg {
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  line-height: 1.08;
}

.page-hero-desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 640px;
  opacity: 0;
  animation: fadeUp 0.6s 0.45s forwards;
}

.page-hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.5;
  opacity: 0;
  animation: fadeUp 0.6s 0.35s forwards;
}

/* ── Buttons ── */
.btn-primary, .btn-secondary, .btn-cta, .btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 500;
  text-transform: uppercase;
  border: none;
  transition: background 0.3s, transform 0.2s, border-color 0.3s;
}

.btn-primary {
  padding: 14px 32px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  border-radius: 2px;
}
.btn-primary:hover { background: var(--color-accent-light); transform: translateY(-1px); }

.btn-secondary {
  padding: 14px 32px;
  background: transparent;
  color: var(--color-text);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  border: 1.5px solid var(--color-border);
  border-radius: 2px;
}
.btn-secondary:hover { border-color: var(--color-accent); transform: translateY(-1px); }

.btn-cta {
  padding: 16px 36px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  border-radius: 50px;
  white-space: nowrap;
}
.btn-cta:hover { background: var(--color-accent-light); transform: translateY(-1px); }

.btn-submit {
  padding: 16px 40px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  border-radius: 2px;
}
.btn-submit:hover { background: var(--color-accent-light); transform: translateY(-1px); }

/* ── CTA Band ── */
.cta-band { background: var(--color-bg-warm); padding: 64px 0; }
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band-title { font-family: var(--font-display); font-size: clamp(1.6rem, 2.8vw, 2.2rem); line-height: 1.2; max-width: 600px; }
.cta-band-subtitle { font-size: 0.9rem; color: var(--color-text-secondary); margin-top: 8px; }

.profile-label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  font-weight: 500;
  margin-bottom: 12px;
}

/* ══════════════════════════════════════════
   PORTFOLIO GRID
   ══════════════════════════════════════════ */

.portfolio-section { padding: 20px 0 100px; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  grid-auto-rows: 280px;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: #1A1A18;  /* sfondo scuro per il letterboxing */
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.portfolio-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-item.tall {
  grid-row: span 2;
}

/* ── Media wrapper ── */
.portfolio-media {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-item.tall .portfolio-media {
  min-height: 0;
}

/* ── Sfondo scuro per le card "contain" (le foto orizzontali avranno bande scure sopra/sotto) ── */
.portfolio-item.fit-contain {
  background: #1A1A18;
}

/* ── Placeholder grafico (per data-count="0") ── */
.portfolio-placeholder {
  width: 100%;
  height: 100%;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.portfolio-item.tall .portfolio-placeholder { min-height: 580px; }

.portfolio-item:nth-child(1) .portfolio-placeholder { background: linear-gradient(145deg, #8B9D83, #6B7D63); }
.portfolio-item:nth-child(2) .portfolio-placeholder { background: linear-gradient(145deg, #A09888, #887868); }
.portfolio-item:nth-child(3) .portfolio-placeholder { background: linear-gradient(145deg, #7A8E8A, #5A6E6A); }
.portfolio-item:nth-child(4) .portfolio-placeholder { background: linear-gradient(145deg, #9A8E7A, #7A6E5A); }
.portfolio-item:nth-child(5) .portfolio-placeholder { background: linear-gradient(145deg, #88988B, #68786B); }
.portfolio-item:nth-child(6) .portfolio-placeholder { background: linear-gradient(145deg, #8A8A80, #6A6A60); }
.portfolio-item:nth-child(7) .portfolio-placeholder { background: linear-gradient(145deg, #7E9080, #5E7060); }
.portfolio-item:nth-child(8) .portfolio-placeholder { background: linear-gradient(145deg, #98908A, #78706A); }
.portfolio-item:nth-child(9) .portfolio-placeholder { background: linear-gradient(145deg, #869086, #667066); }

/* ── Immagine singola ── */
.portfolio-img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Per card in modalità "contain", l'immagine singola si adatta intera */
.portfolio-item.fit-contain .portfolio-img {
  object-fit: contain;
}

.portfolio-item.tall .portfolio-img {
  min-height: 580px;
}

.portfolio-item:hover .portfolio-img,
.portfolio-item:hover .portfolio-placeholder {
  transform: scale(1.04);
}

/* Disabilito zoom hover quando in modalità contain (rischia di tagliare l'immagine) */
.portfolio-item.fit-contain:hover .portfolio-img,
.portfolio-item.fit-contain:hover .carousel-slide img {
  transform: scale(1.02);
}

/* ── Overlay con info progetto ── */
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(26, 26, 24, 0.78) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 3;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-white);
  margin-bottom: 4px;
}

.portfolio-overlay .portfolio-tag {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

.portfolio-overlay .portfolio-desc {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 8px;
  line-height: 1.5;
}

/* ══════════════════════════════════════════
   CAROUSEL (carosello immagini progetto)
   ══════════════════════════════════════════ */

.carousel {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 280px;
  overflow: hidden;
}

.portfolio-item.tall .carousel {
  min-height: 580px;
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-slide {
  flex: 1 0 auto;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1A1A18;  /* sfondo scuro per il letterboxing delle foto orizzontali */
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Mode CONTAIN: foto miste si vedono intere ── */
.portfolio-item.fit-contain .carousel-slide img {
  object-fit: contain;
}

.portfolio-item.tall .carousel-slide img {
  min-height: 580px;
}

.portfolio-item:hover .carousel-slide img {
  transform: scale(1.02);
}

/* ── Frecce navigazione ── */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  color: #1A1A18;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 4;
  opacity: 0;
  transition: opacity 0.3s ease, background 0.2s ease;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.carousel-arrow:hover {
  background: var(--color-white);
}

.portfolio-item:hover .carousel-arrow {
  opacity: 1;
}

.carousel-prev { left: 12px; }
.carousel-next { right: 12px; }

/* ── Contatore foto ── */
.carousel-counter {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--color-white);
  background: rgba(0, 0, 0, 0.5);
  padding: 4px 10px;
  border-radius: 50px;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  z-index: 4;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio-item:hover .carousel-counter {
  opacity: 1;
}

/* ── Puntini navigazione ── */
.carousel-dots {
  position: absolute;
  bottom: 14px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 6px;
  z-index: 4;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio-item:hover .carousel-dots {
  opacity: 1;
}

.carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all 0.25s ease;
}

.carousel-dot.active {
  background: var(--color-white);
  width: 20px;
  border-radius: 3px;
}

.portfolio-item .carousel * {
  pointer-events: auto;
}

/* ── Mobile: frecce e puntini sempre visibili ── */
@media (max-width: 960px) {
  .carousel-arrow,
  .carousel-counter,
  .carousel-dots {
    opacity: 1;
  }
  .portfolio-overlay {
    opacity: 1;
    background: linear-gradient(180deg, transparent 50%, rgba(26, 26, 24, 0.85) 100%);
  }
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */

.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
}

.footer-brand {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-footer-text);
  opacity: 0.8;
}

.footer-heading {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--color-footer-text);
  opacity: 0.8;
  transition: opacity 0.2s, color 0.2s;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-white);
}

.footer-contact-item {
  font-size: 0.88rem;
  margin-bottom: 8px;
  opacity: 0.8;
}

.footer-contact-label {
  display: inline-block;
  width: 80px;
  color: var(--color-footer-text);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
}

.footer-bottom p {
  font-size: 0.75rem;
  opacity: 0.5;
}

/* ══════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideCard {
  from { opacity: 0; transform: translate(10px, 10px); }
  to { opacity: 1; transform: translate(0, 0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */

@media (max-width: 960px) {
  .nav-desktop { display: none; }
  .nav-toggle { display: flex; flex-direction: column; gap: 4px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-item.tall { grid-row: span 1; }
  .portfolio-item.tall .portfolio-media,
  .portfolio-item.tall .portfolio-placeholder,
  .portfolio-item.tall .portfolio-img,
  .portfolio-item.tall .carousel,
  .portfolio-item.tall .carousel-slide img { min-height: 280px; }
}

@media (max-width: 600px) {
  .cta-band-inner {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
  .portfolio-grid { grid-template-columns: 1fr; }
}
/* ══════════════════════════════════════════
  FIX carousel slide width 
   ══════════════════════════════════════════ */
.portfolio-item[data-count="2"] .carousel-slide { flex: 0 0 50%; }
.portfolio-item[data-count="3"] .carousel-slide { flex: 0 0 33.333333%; }
.portfolio-item[data-count="4"] .carousel-slide { flex: 0 0 25%; }
.portfolio-item[data-count="5"] .carousel-slide { flex: 0 0 20%; }
.portfolio-item[data-count="6"] .carousel-slide { flex: 0 0 16.666667%; }
.portfolio-item[data-count="7"] .carousel-slide { flex: 0 0 14.285714%; }