/* =========================================================
   FALEGNAMERIA ARTIGIANALE - Stile personalizzato
   Da salvare in: assets/css/style.css
   ========================================================= */

:root {
  --antracite: #1E1E1E;
  --sabbia: #F9F6F0;
  --legno: #B98A56;
  --legno-scuro: #8A5C34;
  --bronzo: #C9A66B;
}

* {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

/* ---------------- HEADER ---------------- */
#site-header {
  background: transparent;
}

#site-header.scrolled {
  background: rgba(30, 30, 30, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.header-logo-text,
.header-nav-text {
  color: var(--sabbia);
}

.nav-link {
  position: relative;
  color: var(--sabbia);
  padding-bottom: 4px;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--bronzo);
  transition: width 0.35s ease;
}

.nav-link:hover {
  color: var(--bronzo);
}

.nav-link:hover::after {
  width: 100%;
}

#menu-toggle {
  color: var(--sabbia);
}

#mobile-menu.open {
  transform: translateX(0);
}

#menu-toggle.open .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
#menu-toggle.open .bar:nth-child(2) {
  opacity: 0;
}
#menu-toggle.open .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-link {
  opacity: 0.9;
  transition: opacity 0.3s ease, color 0.3s ease;
}

.mobile-link:hover {
  color: var(--bronzo);
  opacity: 1;
}

/* ---------------- BUTTONS ---------------- */
.btn-primary {
  display: inline-block;
  padding: 0.9rem 2.4rem;
  background: var(--bronzo);
  color: var(--antracite);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-radius: 2px;
  transition: transform 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
  border: 1px solid var(--bronzo);
}

.btn-primary:hover {
  background: transparent;
  color: var(--bronzo);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(201, 166, 107, 0.25);
}

.btn-outline {
  padding: 0.65rem 1.6rem;
  border: 1px solid var(--sabbia);
  color: var(--sabbia);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-radius: 2px;
  transition: all 0.35s ease;
}

.btn-outline:hover {
  background: var(--sabbia);
  color: var(--antracite);
}

/* ---------------- HERO ---------------- */
.hero-img {
  animation: heroZoom 18s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  0% { transform: scale(1.05); }
  100% { transform: scale(1.15); }
}

.scroll-indicator {
  animation: scrollBounce 2.2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.4; }
  50% { transform: translate(-50%, 10px); opacity: 1; }
}

/* ---------------- IMAGES ---------------- */
.image-frame {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
}

.img-hover-zoom {
  transition: transform 0.7s ease;
}

.image-frame:hover .img-hover-zoom {
  transform: scale(1.06);
}

/* ---------------- PROCESS STEPS ---------------- */
.process-step {
  padding: 1.5rem;
  border-left: 2px solid var(--legno);
  transition: transform 0.4s ease, border-color 0.4s ease;
}

.process-step:hover {
  transform: translateY(-6px);
  border-color: var(--legno-scuro);
}

/* ---------------- GALLERY ---------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 260px;
  }
  .gallery-item.tall {
    grid-row: span 2;
  }
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease, filter 0.6s ease;
  min-height: 180px;
}

.gallery-item:hover img {
  transform: scale(1.08);
  filter: brightness(0.75);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sabbia);
  font-size: 2.5rem;
  font-weight: 200;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

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

/* ---------------- FORM ---------------- */
.form-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(249, 246, 240, 0.3);
  padding: 0.6rem 0;
  color: var(--sabbia);
  font-family: inherit;
  transition: border-color 0.3s ease;
}

.form-input::placeholder {
  color: rgba(249, 246, 240, 0.4);
}

.form-input:focus {
  outline: none;
  border-color: var(--bronzo);
}

.social-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(249, 246, 240, 0.25);
  border-radius: 50%;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--sabbia);
  transition: all 0.3s ease;
}

.social-icon:hover {
  background: var(--bronzo);
  border-color: var(--bronzo);
  color: var(--antracite);
}

/* ---------------- SCROLL REVEAL ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

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

/* ---------------- LIGHTBOX ---------------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15, 15, 15, 0.96);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  flex-direction: column;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.lightbox.open {
  display: flex;
  opacity: 1;
}

.lightbox img {
  max-width: 88vw;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 2px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: scale(0.96);
  transition: transform 0.35s ease;
}

.lightbox.open img {
  transform: scale(1);
}

#lightbox-caption {
  color: var(--sabbia);
  margin-top: 1.2rem;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.1rem;
  text-align: center;
  max-width: 80vw;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  font-size: 2.2rem;
  color: var(--sabbia);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.3s ease, transform 0.3s ease;
}

.lightbox-close:hover {
  color: var(--bronzo);
  transform: rotate(90deg);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--sabbia);
  font-size: 1.8rem;
  cursor: pointer;
  padding: 1rem;
  transition: color 0.3s ease;
}

.lightbox-nav:hover {
  color: var(--bronzo);
}

.lightbox-prev { left: 0.5rem; }
.lightbox-next { right: 0.5rem; }

/* ---------------- SCROLLBAR (opzionale, estetico) ---------------- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--sabbia);
}
::-webkit-scrollbar-thumb {
  background: var(--legno);
  border-radius: 4px;
}