/* ================= RESET ================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}
body {
    background: #fff;
    color: #222;
    line-height: 1.6;
}

/* ================= HERO ================= */
.hero-about {
    position: relative;
    height: 450px;
    background: url("../images/RMGCHERO.png") center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
}
.hero-about::after {
    content: '';
    position: absolute;
    top:0; left:0;
    width:100%; height:100%;
    background: rgba(27,52,92,0.6);
}
.hero-about .hero-content {
    position: relative;
    z-index: 1;
}
.hero-about h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

/* ================= ABOUT INTRO SECTION ================= */
.about-intro {
    padding: 100px 60px;
    background: #1b345c0e;
}
.about-container {
    max-width: 1300px;
    margin: auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
}
.about-subtitle {
    display: inline-block;
    font-size: 14px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #0b3a3f;
    margin-bottom: 15px;
    font-weight: 600;
}
.about-title {
    font-size: 38px;
    color: #1b345c;
    margin-bottom: 25px;
    font-weight: 700;
}
.about-description {
    font-size: 16px;
    line-height: 1.9;
    color: #0a0a0a;
    max-width: 620px;
}
.about-big-title {
    display: flex;
    align-items: center;   
    justify-content: flex-end; 
    height: 90%;
}
.about-big-title h2 {
    font-size: 80px;
    font-weight: 800;
    color: #1b345c;
    line-height: 1.1;
    text-align: left;
}
.about-big-title span {
    color: #0b3a3f;
}
@media (max-width: 992px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-big-title {
        order: 1;
        justify-content: flex-start; 
        width: 100%;                 
    }

    .about-big-title h2 {
        font-size: 52px;           
        line-height: 1.2;
        text-align: left;
        word-wrap: break-word;       
        max-width: 100%;             
    }

    .about-big-title span {
        display: inline-block;
    }

    .about-text {
        order: 2;
    }
}
@media (max-width: 480px) {
    .about-title {
        font-size: 28px;
    }

    .about-description {
        font-size: 14px;
        line-height: 1.6;
    }
}

/* ================= HISTORY HORIZONTAL ================= */
.history-horizontal {
    padding: 80px 60px;
    background: #ffffff;
}
.history-header {
    text-align: center;
    margin-bottom: 60px;
}
.history-subtitle {
    display: block;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #0b3a3f;
    font-weight: 600;
    margin-bottom: 8px;
}
.history-title {
    position: relative;
    display: inline-block;
    font-size: 42px;
    font-weight: 700;
    color: #1b345c;
}
.history-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -14px;
    width: 60px;
    height: 4px;
    background: #0b3a3f;
    transform: translateX(-50%);
    border-radius: 2px;
}
.timeline-wrapper {
    max-width: 1000px;
    margin: auto;
    position: relative;
}
.timeline-row {
    display: flex;
    justify-content: flex-start;
    position: relative;
}
#card1 {
    width: 30%;     
    transform: translateX(-50px); 
    margin-top: 0px; 
}
#card2 {
    width: 30%;
    transform: translateX(250px); 
    margin-top: 0px;
}
#card3 {
    width: 30%;
    transform: translateX(250px); 
    margin-bottom: 60px;  
}
#card4 {
    width: 30%;
    transform: translateX(500px);
    margin-bottom: 60px;
}
.timeline-line {
    position: relative;
    height: 4px;
    background: #d0d7e2;
    margin: 60px 40px;
}
.timeline-progress {
    position: absolute;
    height: 4px;
    width: 0;
    background: #1b345c;
    top: 0;
    left: 0;
}
.timeline-dot {
    position: absolute;
    top: -7px; 
    width: 16px;
    height: 16px;
    background: #1b345c;
    border-radius: 50%;
    transform: translateX(-50%) scale(0);
    transition: transform 0.5s ease, opacity 0.5s ease;
    opacity: 0;
}
.timeline-dot.active {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}
.timeline-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    opacity: 0;
    color: #1b345c;
    transition: all 0.8s ease;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    position: relative;
    z-index: 3;
    backdrop-filter: blur(8px);
}
.timeline-card.active {
    opacity: 1;
    transform: translateX(0);
}
.timeline-card h4 {
    color: #1b345c;
    margin: 10px 0;
}
.timeline-card .timeline-img {
    width: 120px;
    height: 80px;
    object-fit: contain; 
    margin-bottom: 10px; 
    display: block;
    margin-left: auto;
    margin-right: auto;
}
.timeline-card p {
    font-size: 14px;
    color: #444;
    line-height: 1.6;
}
.timeline-card .date {
    font-weight: 700;
    color: #0b3a3f;
}
@media screen and (max-width: 768px) {
    .timeline-wrapper {
        max-width: 100%;
        margin: 20px auto;
        padding: 0 10px;
        position: relative;
    }
    .timeline-row {
        display: flex;
        flex-direction: column;
        position: relative;
    }
    #card1 { order: 1; transform: translateX(0); margin: 40px 0; width: 90%; }
    #card3 { order: 2; transform: translateX(0); margin: 40px 0; width: 90%; }
    #card2 { order: 3; transform: translateX(0); margin: 40px 0; width: 90%; }
    #card4 { order: 4; transform: translateX(0); margin: 40px 0; width: 90%; }

    .timeline-wrapper {
        display: flex;
        flex-direction: column;
        position: relative;
        padding-left: 40px;
    }

    .timeline-row {
        display: contents;
    }
    
    .timeline-line {
        position: absolute;
        left: 12px;
        top: 0;
        width: 4px;
        height: 100%;
        background: #d0d7e2;
        margin: 0;
    }

    .timeline-progress {
        width: 4px;
        height: 0;
        background: #1b345c;
        left: 0;
        top: 0;
    }

    .timeline-dot {
        display: none;
    }
   
}
@media screen and (max-width: 768px) {
    .history-title {
        font-size: 32px;
    }
}

/* ================= TEAM SECTION ================= */
.team {
  padding: 80px 20px;
  background: #f8f9fa;
  text-align: center;
  font-family: Arial, sans-serif;
}
.team-header {
  margin-bottom: 60px;
}
.team-subtitle {
  display: block;
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #0b3a3f;
  font-weight: 600;
  margin-bottom: 10px;
}
.team-title {
  font-size: 38px;
  color: #1b345c;
  font-weight: 700;
  position: relative;
  display: inline-block;
  margin: 0;
}
.team-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -12px;
  width: 80px;
  height: 4px;
  background: #0b3a3f;
  border-radius: 2px;
  transform: translateX(-50%);
}
.team-view {
  display: none;
}
.team-view.active {
  display: block;
}
.team-grid {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}
.team-card {
  background: #1b345c79;
  border-radius: 30px;
  padding: 25px 20px;
  width: 250px;
  box-shadow: 0 12px 25px rgba(0,0,0,0.08);
  cursor: pointer;
  opacity: 1; 
  transform: translateY(0);
  transition: transform 0.3s, box-shadow 0.3s;
}
.team-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}
.team-member {
  text-align: center;
  opacity: 1;
  transform: translateY(25px);
  transition: all 0.4s ease;
}
.team-dept-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 26px;
  color: #1b345c;
  font-weight: 700;
  justify-content: center;
  margin-top: 10px;
  margin-bottom: 35px;
}
.back-arrow {
  font-size: 12px;
  cursor: pointer;
  color: #0b3a3f;
  transition: transform 0.3s ease;
}
.back-arrow:hover {
  transform: translateX(-4px);
}
.team-members {
  display: grid;
  grid-template-columns: repeat(auto-fit, 200px);
  gap: 50px;
  justify-content: center;
  text-align: center;
}

.team-member {
  border-radius: 12px;
  padding: 8px;
  transition: all 0.3s ease;
  cursor: default;
}

.team-member:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}
.team-member img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 8px;
}
.team-member h4 {
  font-size: 13px;
  margin: 2px 0;
  color: #1b345c;
}
.team-member span {
  font-size: 13px;
  color: #777;
}
@media (max-width: 768px) {
  .team-title {
     font-size: 28px; }
  .team-grid {
     flex-direction: column;
     gap: 16px; 
     align-items: center; }
  .team-card {
     width: 100%;
     max-width: 320px; 
    }
  .team-dept-title {
     font-size: 22px; 
     margin-bottom: 25px;
     }
  .team-members {
    display: flex;
    flex-direction: column; 
    align-items: center;    
    gap: 15px;
  }

  .team-member {
    width: 200px;  
    height: 200px;   
  }

  .team-member img {
    width: 80px;   
    height: 80px;
  }
}



/* ===================== SECTION À PROPOS ===================== */
.about-team {
    position: relative;
    min-height: 100vh;
    padding: 80px 20px;
    background: url("../images/background.jpg") center / cover no-repeat;
    color: #fff;
    overflow: hidden;
}
.about-team::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(18, 44, 73, 0.72);
    z-index: 1;
}
.about-team .container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: auto;
}
.about-content {
    max-width: 700px;
    margin-bottom: 70px;
}
.about-content h2 {
    font-size: 36px;
    margin-bottom: 30px;
}
.about-content p {
    font-size: 18px;
    line-height: 1.7;
    color: #eaeaea;
}
.cards-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: space-between;
}
.about-card {
    width: 30%;
    padding: 25px;
    text-align: center;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.123);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}
.about-card:hover {
    transform: translateY(-10px);
}
.about-card i {
    margin-bottom: 15px;
    color: #fff;
}
.about-card h4 {
    font-size: 20px;
    margin-bottom: 10px;
}
.about-card p {
    font-size: 16px;
    color: #ddd;
}
@media (max-width: 992px) {
    .about-card {
        width: 45%;
    }
}
@media (max-width: 768px) {

    .about-content h2 {
        font-size: 28px;
    }

    .about-content p {
        font-size: 16px;
    }

    .cards-row {
        flex-direction: column;
        align-items: center;
    }

    .about-card {
        width: 90%;
    }

    .about-team::before {
        background: rgba(18, 44, 73, 0.82); 
    }
}

/* ===== Scroll Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.show {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: 0.8s ease;
}
.reveal-left.show {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: 0.8s ease;
}
.reveal-right.show {
  opacity: 1;
  transform: translateX(0);
}

#backToTop {
    position: fixed;
    bottom: 20px;
    right: 40px;
    background-color: #1b345c;
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    overflow: visible; 
    position: fixed;
}
#backToTop i {
    position: relative;
    z-index: 2;
}
#backToTop .ripple {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid #0e1827;
    border-radius: 50%;
    animation: ripple-animation 1.5s infinite;
    top: 0;
    left: 0;
    z-index: 1;
    opacity: 0.5;
}
@keyframes ripple-animation {
    0% {
        transform: scale(0.8);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.5);
        opacity: 0;
    }
    100% {
        transform: scale(0.9);
        opacity: 0.6;
    }
}
#backToTop:hover {
    background-color: #c3c5c7;
}