@media(prefers-color-scheme: dark){
  :root{
    --result-box-bg :#030f1e;
    --form-group-border : rgba(255, 255, 255, 0.31);
    --grid-service-segment-color: rgba(15, 22, 29, 0.8);
  }
}

@media(prefers-color-scheme: light){
  :root{
    --result-box-bg :#99a3af;
    --form-group-border : rgba(8, 10, 33, 0.538);
    --grid-service-segment-color: rgba(173, 193, 214, 0.8);
  }
}

.app-container{
    text-align: center;
}

.app{
    height: 80vh; 
    width: 90%; 
    border: 2px solid rgb(18, 22, 30); 
    outline: none; 
    border-radius: 2vw;
}

.subsection{
    padding: 5vw 0;
}

p{
    margin: 1vw 10vw;
}

.icon-size{
    margin: auto 0;
    width : 1.5vw;
}

.p01{
  font-size: 1.3vw;
  text-align: left;
  margin-left: 1vw;
  margin-right: 1vw;
}


.calculator{
    transition: all 1s ease;
    background-color: rgba(0, 123, 255, 0.067);
    margin: 0 auto;
    padding: 2vw;
    border-radius: 1vw;
    border: 1px solid #010e1e;
    width: 80vw;
}

.calculator:hover{
    transform: scale(1.05);

}

.calculator-title{
    font-size: 1.7vw;
}

input {
    color: black;
    width: 100%;
    border: 1px solid #ccc;
    margin : 0;
    padding: 0.5vw;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
    background-color: rgb(201, 212, 223);
}

label {
      display: block;
      margin: 0.5vw;
      font-size: 1.2vw;
}


.subtitle_p{
    margin: 0 auto;
    width: 50vw;
    text-align: center;
    font-size: 1.8vw;
}

.model-title{
  text-align: center;
  font-size: 2.5vw;
  padding: 2vw;
}

.model_subtitle{
    text-align: center;
    font-size: 1.8vw;
    width: 60vw;
    margin: 0.5vw auto;
}

button.floating {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 12px 20px;
  border: 1px solid white;
  border-radius: 4px;
  background: #007bff;
  color: white;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  transition: all 1s ease;
  z-index: 10;
}

button.floating:hover {
  background: rgb(239, 155, 59);
  transform: scale(1.1);
}

.computeROI{
    display: block;
  margin: 1vw auto 0; 
  padding: 0.8vw 1.5vw;
  border: 1px solid white;
  border-radius: 4px;
  background: #007bff;
  color: white;
  cursor: pointer;
  transition: all 1s ease;
}
.computeROI:hover {
  background: rgb(239, 155, 59);
  transform: scale(1.1);
}


section {
    scroll-margin-top: 4vw;
    background: linear-gradient( to bottom right,
        var(--gradient-from),
        var(--gradient-to),
        var(--gradient-from),
        var(--gradient-to),
        var(--gradient-from)
    );
}


.intro-bloc {
  border-radius: 2vw;
  border: 2px solid rgba(149, 188, 221, 0.464);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2vw;             
  padding: 2vw;
  margin: 5vw 10vw;
}

.intro-bloc-text {
  flex: 0 0 70%;
  border-right: 2px solid rgba(149, 188, 221, 0.464);
}

.intro-bloc-image {
  flex: 1 1 20%;   
  max-width: 20%; 
  
}



.intro-bloc-image img {
  width: 100%;
  max-width: 100%; 
  height: auto;
  display: block;
  box-sizing: border-box;  
  margin: -15%; 
}



.page-menu {
    background: rgba(27, 126, 206, 0.201);;
    padding: 10px 0;
    top: 0;
    z-index: 10;
    margin: 0 2vw;
}

.page-menu ul {
    list-style: none;
    display: flex;
    justify-content: center;
    margin: 0;
    padding: 1vw;
    gap: 20px;
}

.page-menu li {
  margin: 0;
  font-size: 1.1vw;
}

.page-menu a {
  text-decoration: none;
  color: rgb(67, 177, 231);
  font-weight: bold;
  padding: 0.5vw 2vw;
  transition: all 0.3s ease;
}

.page-menu a:hover {
  color: rgb(239, 155, 59);
  border-bottom: 2px solid rgb(239, 155, 59);
  font-size: 1.2vw;
}












.container {
  max-width: 1000px;
  margin: auto;
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.tab {
  border: 1px solid #ccc;
  background: #f0f0f0;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  cursor: pointer;
}

.tab.active {
  background: #007bff;
  color: white;
  border-color: #007bff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  padding: 0.5vw;
  border-radius: 0.5vw;
  border: 1px solid var(--form-group-border);
  background-color: #ffffff14;
}

.form-group label {
  font-size: 0.8rem;
  margin-bottom: 0.3rem;
}

.form-group input {
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.advanced {
  margin-bottom: 1.5rem;
}

.advanced label {
  display: flex;
  align-items: center;
  gap: 0.5rem; 
  cursor: pointer;
  font-weight: bold;
}

.advanced input[type="checkbox"] {
  margin: 0;
}

.advanced .grid {
  display: none;
}

.advanced input[type="checkbox"]:checked ~ .grid {
  display: grid;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}




.btn {
  border: 1px solid #007bff;
  padding: 0.7rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  background: #e0e0e0;
  transition: 1s ease all;
  color: black;
}

.btn:hover {
  background: rgb(239, 155, 59);
  transform: scale(1.1);
  color: white;
  border: 1px solid white;
}

.btn.primary {
  border: 1px solid white;
  background: #052f5b;
  color: white;
}

.btn.primary:hover {
  background: rgb(239, 155, 59);
  transform: scale(1.1);
}

.results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 1rem;
}

.result-box {
  background: var(--result-box-bg);
  color: white;
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
}

.result-box p {
  margin: 0;
  font-size: 0.9rem;
}

.result-box strong {
  display: block;
  font-size: 1.3rem;
  margin-top: 0.5rem;
}

.tooltip, .tooltip-dark {
  display: inline-block;
  margin-left: 5px;
  background: #021a33;
  color: white;
  font-weight: bold;
  font-size: 0.8rem;
  width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  border-radius: 50%;
  cursor: help;
  position: relative;
}

.tooltip-dark {
  background: #283e56;
}

.tooltip-text {
  visibility: hidden;
  width: 220px;
  background-color: #333;
  color: #fff;
  text-align: left;
  border-radius: 6px;
  padding: 8px;
  position: absolute;
  z-index: 1;
  top: 120%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 0.8rem;
}

.tooltip-text::after {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: transparent transparent #333 transparent;
}

.tooltip:hover .tooltip-text,
.tooltip-dark:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

.advanced label { 
  display: inline;
}

#advanced{
  margin: 10px 0;
}




.advanced {
  margin-bottom: 1.5rem;
}

.industry li {
  margin-top: 10px;
}

.advanced > input[type="checkbox"] {
  display: inline-block;
  width: 18px;
  height: 18px;
  margin: 0;           
  vertical-align: middle;
}

.advanced-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: bold;
  margin: 0.5rem;
  vertical-align: middle;
}

.complementary-modules{
  border-left: 2px solid var(--grid-service-segment-color);
  border-right: 2px solid var(--grid-service-segment-color);
  padding: 0 2vw;
  margin: 2vw 10vw;
}

.industry{
  border-radius: 2vw;
  border: 2px solid var(--grid-service-segment-color);
  padding: 0 2vw;
  margin: 2vw 8vw;
  background-color: #5f89b622;
}

.industry h3 {
  font-size: xx-large;
}


.scenario-selector {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  gap: 0.5rem;
}

.scenario-buttons {
  display: flex;
  border: 1px solid #ccc;
  border-radius: 20px;
  overflow: hidden;
}

.scenario-buttons button {
  border: none;
  padding: 0.5rem 1rem;
  background: white;
  cursor: pointer;
}

.scenario-buttons button.active {
  background: #002b5c;
  color: white;
}