/* Tailwind or custom CSS goes here */

:root {
  --color-bg-light: #f7f7f7;
  --color-bg-dark: #181924;
  --color-text-light: #181924;
  --color-text-dark: #f7f7f7;
  --color-accent: #00e6d0;
  --transition: background 0.4s, color 0.4s;
}

body.light-mode {
  background: var(--color-bg-light);
  color: var(--color-text-light);
  transition: var(--transition);
}
body.dark-mode {
  background: var(--color-bg-dark);
  color: var(--color-text-dark);
  transition: var(--transition);
}

/* Esempio per link e accent color */
a {
  color: var(--color-accent);
  transition: color 0.3s;
}

/* Altri stili custom e Tailwind qui sotto */

.portfolio-filters {
  margin-bottom: 2rem;
}
.filter-btn {
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 1rem;
  margin: 0 0.5rem;
  padding: 0.5rem 1.2rem;
  cursor: pointer;
  border-radius: 2rem;
  transition: background 0.3s, color 0.3s;
}
body.dark-mode .filter-btn {
  color: var(--color-text-dark);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--color-accent);
  color: #fff;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}
.project-item {
  background: rgba(0,0,0,0.02);
  border-radius: 1.2rem;
  padding: 1.2rem;
  box-shadow: 0 2px 12px 0 rgba(0,0,0,0.04);
  text-align: center;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(.4,0,.2,1), transform 0.7s cubic-bezier(.4,0,.2,1);
}
.project-item img {
  max-width: 100%;
  border-radius: 0.8rem;
  margin-bottom: 1rem;
}
.project-item h3 {
  margin: 0.5rem 0 0.2rem 0;
  font-size: 1.2rem;
}
.project-cat {
  font-size: 0.9rem;
  color: var(--color-accent);
}
@media (max-width: 600px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}

.contact-form {
  max-width: 400px;
  margin: 2rem auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.contact-form input, .contact-form textarea {
  padding: 0.8rem 1rem;
  border-radius: 0.7rem;
  border: 1px solid #ccc;
  font-size: 1rem;
  background: var(--color-bg-light);
  color: var(--color-text-light);
  transition: border 0.3s;
}
body.dark-mode .contact-form input, body.dark-mode .contact-form textarea {
  background: var(--color-bg-dark);
  color: var(--color-text-dark);
  border: 1px solid #333;
}
.contact-form button {
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 2rem;
  padding: 0.8rem 2rem;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s;
}
.contact-form button:hover {
  background: #00bfae;
}
.social-links {
  text-align: center;
  margin-top: 2rem;
}
.social-links a {
  color: var(--color-accent);
  margin: 0 0.7rem;
  font-size: 1.3rem;
  transition: color 0.3s;
}
.social-links a:hover {
  color: #00bfae;
}

.sidebar-menu {
  position: fixed;
  left: 0;
  top: 0;
  width: 220px;
  height: 100vh;
  background: rgba(24,25,36,0.98);
  color: #fff;
  padding: 2.5rem 1.5rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  box-shadow: 2px 0 16px 0 rgba(0,0,0,0.08);
  transition: background 0.4s;
}
body.light-mode .sidebar-menu {
  background: rgba(247,247,247,0.98);
  color: #181924;
}
.sidebar-menu .menu {
  width: 100%;
}
.sidebar-menu .menu-item a {
  color: inherit;
  font-size: 1.1rem;
  padding: 0.7rem 0;
  display: block;
  text-decoration: none;
  transition: color 0.3s;
}
.sidebar-menu .menu-item a:hover {
  color: var(--color-accent);
}
.site-title {
  letter-spacing: 0.1em;
}

/* Mobile menu */
.mobile-menu-toggle {
  display: none;
}
@media (max-width: 900px) {
  .sidebar-menu {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .mobile-menu {
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0; top: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(24,25,36,0.98);
    color: #fff;
    z-index: 1200;
    padding: 4rem 2rem 2rem 2rem;
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(.4,0,.2,1);
  }
  body.light-mode .mobile-menu {
    background: rgba(247,247,247,0.98);
    color: #181924;
  }
  .mobile-menu.open {
    transform: translateY(0);
  }
  .mobile-menu .menu-item a {
    color: inherit;
    font-size: 1.5rem;
    padding: 1.2rem 0;
    display: block;
    text-align: center;
  }
}

html {
  scroll-behavior: smooth;
}

.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(.4,0,.2,1), transform 0.7s cubic-bezier(.4,0,.2,1);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-item {
  transition: box-shadow 0.3s, transform 0.3s;
}
.project-item:hover {
  box-shadow: 0 8px 32px 0 rgba(0,230,208,0.12);
  transform: translateY(-8px) scale(1.03);
}