.u-section-1 .u-sheet-1 {
  min-height: 400px;
}

.u-section-1 .u-custom-html-1 {
  margin-bottom: 60px;
  margin-top: 0;
}body {
    font-family: 'Poppins', 'Inter', sans-serif;
    color: #e2e8f0;
    background: linear-gradient(-45deg, #000000, #0a0a0a, #302338, #003a3f, #3d021a, #0a0a0a, #000000);
    background-size: 600% 600%;
    animation: gradientBG 40s ease infinite;
    background-attachment: fixed;
}
@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}
.nav-link.active {
    background-color: #00bfd0;
    color: #121212;
    box-shadow: 0 0 15px rgba(0, 191, 208, 0.4);
}
.mobile-nav-link.active {
     background-color: rgba(138, 92, 225, 0.15);
    color: #c4b5fd;
}
.tab-btn, .idea-generator-btn {
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
}
.tab-btn:hover, .idea-generator-btn:hover {
    transform: scale(1.05);
}
.tab-btn.active {
    background-color: #00bfd0;
    color: #121212;
    font-weight: 600;
    box-shadow: 0 4px 14px 0 rgba(0, 191, 208, 0.2);
    transform: scale(1.05); /* Garder le scale pour le bouton actif */
}
.checklist-item.checked label {
    text-decoration: line-through;
    color: #64748b;
}
.checklist-item.checked .checklist-icon {
    background-color: #da085e;
    border-color: #da085e;
    box-shadow: 0 0 10px rgba(218, 8, 94, 0.5);
}
.checklist-item.checked .checklist-icon::after {
    content: '✔';
    color: white;
    font-size: 14px;
    line-height: 20px;
}
.chart-container { 
    position: relative; 
    width: 100%; 
    max-width: 380px; 
    margin-left: auto; 
    margin-right: auto; 
    height: 300px;
    max-height: 380px; 
}
.accordion-button .accordion-arrow {
    transition: transform 0.3s ease;
}
.accordion-button[aria-expanded="true"] .accordion-arrow {
    transform: rotate(90deg);
}
.accordion-content {
    transition: max-height 0.3s ease-in-out, padding 0.3s ease-in-out, opacity 0.3s ease-in-out;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
}
/* --- Cyberpunk Card Style --- */
.card {
    background-color: rgba(10, 10, 10, 0.6); /* Darker, semi-transparent base */
    backdrop-filter: blur(8px);
    border-radius: 0; /* Sharp angles */
    border: 1px solid rgba(0, 255, 255, 0.3); /* Cyan border */
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.2), 
                0 0 20px rgba(0, 255, 255, 0.1),
                inset 0 0 5px rgba(255, 0, 255, 0.1); /* Neon glow effect */
    transition: all 0.3s ease-in-out;
}
.card:hover {
    border-color: rgba(0, 255, 255, 0.7);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5), 
                0 0 30px rgba(0, 255, 255, 0.3),
                inset 0 0 10px rgba(255, 0, 255, 0.2);
    transform: translateY(-5px) scale(1.01);
}
.glow-title {
    text-shadow: 0 0 8px rgba(0, 191, 208, 0.6), 0 0 20px rgba(0, 191, 208, 0.3);
}
.section-title-glow {
    text-shadow: 0 0 8px rgba(138, 92, 225, 0.5);
}
.section-fade-in {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    transform-origin: bottom center;
    transition: opacity 0.8s cubic-bezier(0.19, 1, 0.22, 1), transform 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}
.section-fade-in.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}
@media (min-width: 768px) { 
    .chart-container { 
        height: 320px; 
    } 
}
/* S'assurer que le contenu de la carte est bien au-dessus de l'effet de lueur */
.card > * {
    position: relative;
    z-index: 1;
}
/* Timeline styles */
.timeline-container {
    position: relative;
    padding: 1rem 0;
}
.timeline-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 3rem;
    width: 4px;
    background: linear-gradient(180deg, rgba(0, 191, 208, 0.3) 0%, rgba(138, 92, 225, 0.3) 100%);
    box-shadow: 0 0 8px rgba(0, 191, 208, 0.5), 0 0 15px rgba(138, 92, 225, 0.3);
    z-index: 1;
}
.timeline-step {
    position: relative;
    padding-left: 6rem;
    padding-bottom: 3rem;
    transition: all 0.3s ease-in-out;
}
.timeline-step:last-child {
    padding-bottom: 1rem;
}
.timeline-step:hover .timeline-number {
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(0, 191, 208, 0.8), 0 0 30px rgba(138, 92, 225, 0.4);
}
.timeline-step:hover .timeline-content {
    transform: translateY(-5px);
}
.timeline-number {
    position: absolute;
    left: 1rem;
    top: 0;
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, #00bfd0 0%, #8a5ce1 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 0 10px rgba(0, 191, 208, 0.5), 0 0 20px rgba(138, 92, 225, 0.3);
    z-index: 2;
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
}
.timeline-content {
    background-color: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(8px);
    border-radius: 0.5rem;
    border: 1px solid rgba(138, 92, 225, 0.3);
    padding: 1.5rem;
    transition: all 0.3s ease-in-out;
    position: relative;
    z-index: 2;
}
.timeline-heading {
    color: #00bfd0;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    text-shadow: 0 0 5px rgba(0, 191, 208, 0.5);
}
.timeline-description {
    color: #e2e8f0;
    margin-bottom: 1.25rem;
}
/* Styles for the new slider */
.timeline-slider {
    position: relative;
    overflow: hidden;
    margin-top: 1.25rem; /* Space between description and slider */
}
.timeline-slides {
    display: flex;
    transition: transform 0.5s ease-in-out;
}
.timeline-slide {
    flex-shrink: 0;
    width: 100%;
}
.timeline-slide img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 0.5rem;
    border: 1px solid rgba(138, 92, 225, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 9999px; /* Full pill shape */
    border: none;
    cursor: pointer;
    z-index: 10;
    transition: background-color 0.3s ease;
}
.slider-btn:hover {
    background-color: rgba(0, 0, 0, 0.7);
}
.slider-btn.prev-btn {
    left: 1rem;
}
.slider-btn.next-btn {
    right: 1rem;
}
.slider-dots {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
    position: absolute; /* Position dots over the image */
    bottom: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.3); /* Semi-transparent background for dots */
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}
.dot {
    width: 0.75rem;
    height: 0.75rem;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}
.dot.active {
    background-color: #00bfd0;
    transform: scale(1.2);
}
@media (max-width: 767px) {
    .timeline-container {
        padding: 1rem; /* Adjust container padding for mobile */
    }
    
    .timeline-line {
        visibility: hidden; /* Hide the vertical line on mobile */
    }
    .timeline-step {
        position: relative; /* Ensure proper positioning for mobile */
        padding-left: 0; /* Remove left padding */
        padding-bottom: 2rem; /* Add spacing between stacked cards */
        display: flex;
        flex-direction: column; /* Stack content vertically */
        align-items: center; /* Center align content */
        text-align: center;
    }
    .timeline-step:last-child {
        padding-bottom: 1rem;
    }
    .timeline-number {
        position: static; /* Remove absolute positioning */
        margin: 0 auto 1.5rem auto; /* Center and add bottom margin */
        width: 3rem; /* Smaller size for mobile */
        height: 3rem;
        font-size: 1.25rem; /* Smaller font size */
        box-shadow: 0 0 8px rgba(0, 191, 208, 0.4), 0 0 15px rgba(138, 92, 225, 0.2); /* Less intense shadow */
    }
    .timeline-content {
        width: 100%; /* Take full width on mobile */
        padding: 1rem; /* Adjust padding for mobile cards */
        border-radius: 0.75rem; /* Softer corners for cards */
        margin-top: 0; /* Remove potential negative margin */
    }
    .timeline-heading {
        font-size: 1.15rem; /* Slightly smaller heading for mobile */
        margin-bottom: 0.5rem;
    }
    .timeline-description {
        font-size: 0.95rem; /* Smaller description text */
        margin-bottom: 1rem;
    }
    .timeline-image {
        width: 90%; /* Adjust image width for better fit */
        margin: 0 auto; /* Center image */
    }
}
@media (min-width: 768px) {
    .timeline-line {
        left: 4rem;
    }
    
    .timeline-step {
        padding-left: 8rem;
        padding-bottom: 4rem;
    }
    
    .timeline-number {
        left: 2rem;
        width: 4.5rem;
        height: 4.5rem;
        font-size: 1.75rem;
    }
    
    .timeline-heading {
        font-size: 1.5rem;
    }
}