:root {
  --primary-purple: #25004d;
  --accent-orange: #ffa519;
  --secondary-purple: #4a1a6b;
  --light-purple: #e6e6fa;
  --text-light: #f8f8ff;
  --gradient-start: #25004d;
  --gradient-end: #4a1a6b;
}

body {
  #progetti-timeline {
    padding-top: 2rem !important;
  }

  #progetti {
    margin-top: 3rem;
  }
  background: linear-gradient(
    135deg,
    var(--gradient-start) 0%,
    var(--gradient-end) 100%
  );
  min-height: 100vh;
}

/* Stile del titolo identico a quello della pagina lavoraconnoi */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffa519;
    margin-bottom: 1.5rem;
    position: relative;
}

/* Linea sotto il titolo - identica a lavoraconnoi */
.section-title::after {
  content: '';
  display: block;
  height: 4px;
  width: 50%;
  background: var(--color-accent);
  margin: 0.5rem;
  border-radius: 2px;
}

/* Timeline Styles */
.timeline {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  margin-top: 3rem; 
}

.timeline-line {
  width: 4px;
  background: linear-gradient(
    to bottom,
    var(--accent-orange),
    var(--primary-purple),
    var(--accent-orange)
  );
  height: 100%;
  box-shadow: 0 0 10px rgba(255, 165, 25, 0.5);
  animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
  0% {
    box-shadow: 0 8px 25px rgba(37, 0, 77, 0.3);
  }

  50% {
    box-shadow: 0 8px 25px rgba(255, 165, 25, 0.5);
  }

  100% {
    box-shadow: 0 8px 25px rgba(37, 0, 77, 0.3);
  }
}

.tl-item {
  position: relative;
  margin-bottom: 50px;
  width: 50%;
  opacity: 0;
  transform: translateY(50px);
  animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tl-item:nth-child(2) {
  animation-delay: 0.1s;
}

.tl-item:nth-child(3) {
  animation-delay: 0.2s;
}

.tl-item:nth-child(4) {
  animation-delay: 0.3s;
}

.tl-item:nth-child(5) {
  animation-delay: 0.4s;
}

.tl-item:nth-child(6) {
  animation-delay: 0.5s;
}

.tl-item.left {
  left: 0;
  padding-right: 30px;
}

.tl-item.right {
  left: 50%;
  padding-left: 30px;
}

.tl-item .content {
  padding: 25px;
  background: linear-gradient(
    135deg,
    var(--secondary-purple),
    var(--primary-purple)
  );
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(37, 0, 77, 0.4);
  position: relative;
  border: 2px solid var(--accent-orange);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.tl-item .content:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 15px 35px rgba(37, 0, 77, 0.6),
    0 5px 15px rgba(255, 165, 25, 0.3);
  border-color: #ffd700;
}

/* Solo su desktop: solo punti, no frecce */
@media (min-width: 769px) {
  .tl-item .content::before {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--accent-orange);
    border: 4px solid var(--primary-purple);
    border-radius: 50%;
    top: 30px;
    box-shadow: 0 0 15px rgba(255, 165, 25, 0.7);
  }

  .tl-item.left .content::before {
    right: -40px;
  }

  .tl-item.right .content::before {
    left: -40px;
  }
}

.tl-item time {
  color: var(--accent-orange) !important;
  font-weight: bold;
  font-size: 0.9rem;
}

.tl-item h3 {
  color: var(--text-light) !important;
  margin: 15px 0 10px 0;
}

.tl-item p {
  color: var(--light-purple) !important;
  line-height: 1.6;
}

.btn-outline-warning {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  transition: all 0.3s ease;
}

.btn-outline-warning:hover {
  background-color: var(--accent-orange);
  border-color: var(--accent-orange);
  color: var(--primary-purple);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 165, 25, 0.4);
}

/* Card Styles with Click-based Flip Effect */
.card-progetto {
  height: 300px;
  perspective: 1000px;
  margin-bottom: 30px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform-style: preserve-3d;
  cursor: pointer;
}

/* Flip effect on click/touch - rimuovo hover */
.card-progetto.flipped .card-inner {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(37, 0, 77, 0.3);
  transition: all 0.4s ease;
}

.card-progetto:hover .card-front,
.card-progetto:hover .card-back {
  box-shadow: 0 15px 35px rgba(37, 0, 77, 0.5),
    0 5px 15px rgba(255, 165, 25, 0.3);
}

/* Sostituisci questa parte nel tuo file styleprogetti.css */

.card-back {
  transform: rotateY(180deg);
  background: linear-gradient(
    135deg,
    var(--secondary-purple),
    var(--primary-purple)
  );
  display: flex;
  flex-direction: column;
  justify-content: space-between; /* Cambiato da center a space-between */
  align-items: center;
  padding: 25px 20px; /* Ridotto padding laterale */
  border: 2px solid var(--accent-orange);
  text-align: center; /* Aggiunto per centrare il testo */
}

.card-back h4 {
  color: var(--accent-orange);
  font-size: 1.4rem; /* Ridotto leggermente da 1.5rem */
  margin-bottom: 0; /* Rimosso margin-bottom */
  margin-top: 10px; /* Aggiunto piccolo margin-top */
  font-weight: bold;
}

.card-back p {
  color: var(--light-purple);
  line-height: 1.5; /* Ridotto da 1.6 per compattare */
  text-align: center;
  font-size: 0.95rem; /* Ridotto leggermente da 1rem */
  margin: 15px 0; /* Margine verticale controllato */
  flex-grow: 1; /* Permette al paragrafo di espandersi */
  display: flex;
  align-items: center; /* Centra verticalmente il testo */
}

.card-back .btn {
  background: var(--accent-orange);
  color: var(--primary-purple);
  border: none;
  padding: 12px 25px; /* Aumentato padding verticale */
  border-radius: 25px;
  font-weight: bold;
  margin-top: 0; /* Rimosso margin-top */
  margin-bottom: 10px; /* Aggiunto piccolo margin-bottom */
  transition: all 0.3s ease;
  font-size: 0.9rem; /* Dimensione font leggermente ridotta */
}

/* Icon Cards */
.card-progetto .fas {
  font-size: 4rem;
  color: var(--accent-orange);
  margin-bottom: 20px;
  transition: all 0.4s ease;
  filter: drop-shadow(0 4px 8px rgba(255, 165, 25, 0.3));
}

.card-progetto:hover .fas {
  transform: scale(1.1) rotate(10deg);
  color: #ffd700;
}

.card-progetto h5 {
  color: var(--text-light);
  font-size: 1.3rem;
  font-weight: bold;
  margin-top: 15px;
}

.icon-card-content {
  background: linear-gradient(
    135deg,
    var(--secondary-purple),
    var(--primary-purple)
  );
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-radius: 15px;
  border: 2px solid var(--accent-orange);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.icon-card-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 165, 25, 0.1),
    transparent
  );
  transition: left 0.6s ease;
}

.icon-card-content:hover::before {
  left: 100%;
}

.icon-card-content:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(37, 0, 77, 0.5),
    0 5px 15px rgba(255, 165, 25, 0.3);
  border-color: #ffd700;
}

.text-warning {
  color: var(--accent-orange) !important;
}

/* Mobile: rimuovi frecce e punti, timeline più semplice */
@media (max-width: 768px) {
  .tl-item {
    width: 100%;
    left: 0 !important;
    padding-left: 30px !important;
    padding-right: 0 !important;
  }

  .timeline-line {
    left: 20px;
  }

  /* Nasconde completamente frecce e punti su mobile */
  .tl-item .content::before,
  .tl-item .content::after {
    display: none !important;
  }
}