/*
 * MyCallLink Marketing Website - Custom Styles
 * Version: 2.4.1 (Adjusted feature icon size, reviewed navbar background)
 * Date: 2025-05-20
 * Author: MyCallLink
 */

:root {
    /* New Palette: Confidence & Technology */
    --primary-color: #1E3A8A;  /* Deep Blue - Confidence, Stability */
    --secondary-color: #475569; /* Slate Grey - Neutral, Techy */
    --accent-color: #FF7043;   /* Vibrant Orange - Action, Attention */
    --light-bg-color: #F1F5F9; /* Very Light Slate - Clean, Subtle Backgrounds/Details */
    --text-color: #334155;     /* Dark Slate - Readable, Modern Text */
    --light-text: #f8f9fa;     /* Light text for dark backgrounds (Keep) */

    /* Derived/Hover Colors */
    --primary-hover-color: #1E293B; /* Darker Slate (for contrast/hover) */
    --accent-hover-color: #F4511E;  /* Darker Orange */

    /* Bootstrap Overrides & Variables */
    --bs-primary-rgb: 30, 58, 138; /* RGB for --primary-color */
    --bs-link-color: var(--primary-color); /* Links use primary color */
    --bs-link-hover-color: var(--primary-hover-color); /* Darker hover for links */

    /* Layout & Transition Variables */
    --default-transition-duration: 0.3s; /* Slightly faster default transition */
    --default-transition-timing: ease-in-out;
    --animation-duration-slow: 0.8s;
    --animation-timing-fade: ease-out;
    --navbar-padding-y-initial: 1.5rem;
    --navbar-padding-y-scrolled: 0.75rem;
    --navbar-width-scrolled: 90%;
    --navbar-border-radius-scrolled: 15px;
    --navbar-top-offset-scrolled: 10px;
    --feature-icon-size: 120px; /* MODIFIED: Was 80px */

    /* Focus/Active Feedback */
    --focus-ring-color-rgb: var(--bs-primary-rgb); /* Use primary color for focus rings */
    --focus-ring-opacity: 0.25;

    /* NEW: Soft Shadow Variables */
    --soft-shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.06);
    --soft-shadow-md: 0 4px 10px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.05);
    --soft-shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.06);
    --soft-shadow-navbar: 0 3px 12px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.05);
    --soft-shadow-navbar-scrolled: 0 6px 18px rgba(0, 0, 0, 0.1), 0 2px 6px rgba(0, 0, 0, 0.07);
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #ffffff; /* Ensure default background is white */
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--primary-color); /* Headings primarily use the deep blue */
}
/* Adjust specific heading colors if needed, e.g., in dark sections */

/* Links */
a {
    color: var(--bs-link-color);
    text-decoration: none;
    transition: color var(--default-transition-duration) var(--default-transition-timing);
}
a:hover {
    color: var(--bs-link-hover-color);
    text-decoration: underline;
}


/* Buttons */
.btn {
    transition: background-color var(--default-transition-duration) var(--default-transition-timing),
                border-color var(--default-transition-duration) var(--default-transition-timing),
                color var(--default-transition-duration) var(--default-transition-timing),
                box-shadow var(--default-transition-duration) var(--default-transition-timing),
                transform var(--default-transition-duration) var(--default-transition-timing); /* Added transform transition */
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 0.3rem;
    will-change: background-color, border-color, color, box-shadow, transform; /* Optimize transitions */
    box-shadow: var(--soft-shadow-sm); /* Subtle base shadow */
}

.btn:hover {
    box-shadow: var(--soft-shadow-md); /* Softer, more diffused hover shadow */
    /* Optional: Slightly raise button on hover */
    /* transform: translateY(-2px); */
}

/* NEW: Button Active State for Click Feedback */
.btn:active {
    transform: scale(0.98); /* Slightly shrink button on click */
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08); /* Reduce shadow further on active */
}

/* Primary Button (on light backgrounds) */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}
.btn-primary:hover {
    background-color: var(--primary-hover-color);
    border-color: var(--primary-hover-color);
    color: white;
}
/* Specific active state if needed, otherwise general .btn:active applies */
/* .btn-primary:active { ... } */

/* Accent Button (for CTAs on light backgrounds) */
.btn-accent {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}
.btn-accent:hover {
    background-color: var(--accent-hover-color);
    border-color: var(--accent-hover-color);
    color: white;
}
/* .btn-accent:active { ... } */

/* Outline Primary Button (on light backgrounds) */
.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: none; /* Remove base shadow for outline */
}
.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--soft-shadow-md); /* Add shadow on hover */
}
/* .btn-outline-primary:active { ... } */

/* Light Button (intended for dark backgrounds, like primary color) */
.btn-light {
     color: var(--primary-color); /* Text is primary color */
     background-color: white;     /* Background is white */
     border-color: white;
}
.btn-light:hover {
    background-color: var(--light-bg-color); /* Light slate background on hover */
    border-color: var(--light-bg-color);
    color: var(--primary-color);     /* Text remains primary color */
}
/* .btn-light:active { ... } */


/* Smaller button variant */
.btn-sm, .btn-group-sm > .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    border-radius: 0.2rem;
}

/* Text Color Utilities */
.text-primary {
    color: var(--primary-color) !important;
}
.text-secondary {
    color: var(--secondary-color) !important; /* Added secondary text utility */
}
.text-accent {
     color: var(--accent-color) !important;
}

/* Background Color Utilities */
.bg-primary-light {
    background-color: var(--light-bg-color); /* Use the new light slate */
}
.bg-secondary {
    background-color: var(--secondary-color); /* Added secondary bg utility */
}

/* --- Navbar Styling --- */
.navbar {
    width: 100%;
    padding-top: var(--navbar-padding-y-initial);
    padding-bottom: var(--navbar-padding-y-initial);
    background-color: var(--primary-color); /* Navbar uses primary deep blue. This should ensure an opaque background. */
    box-shadow: var(--soft-shadow-navbar); /* Softer navbar shadow */
    top: 0;
    left: 0;
    transform: translateX(0);
    border-radius: 0;
    transition: padding var(--default-transition-duration) var(--default-transition-timing),
                background-color var(--default-transition-duration) var(--default-transition-timing),
                box-shadow var(--default-transition-duration) var(--default-transition-timing),
                width var(--default-transition-duration) var(--default-transition-timing),
                transform var(--default-transition-duration) var(--default-transition-timing),
                border-radius var(--default-transition-duration) var(--default-transition-timing),
                top var(--default-transition-duration) var(--default-transition-timing),
                left var(--default-transition-duration) var(--default-transition-timing);
    will-change: width, transform, left, top, border-radius, padding, box-shadow, background-color;
    z-index: 1030; /* Ensure navbar is above other content */
}

/* Scrolled State */
.navbar-scrolled {
    width: var(--navbar-width-scrolled);
    padding-top: var(--navbar-padding-y-scrolled);
    padding-bottom: var(--navbar-padding-y-scrolled);
    background-color: var(--primary-color); /* Still deep blue, ensuring opaque background. */
    box-shadow: var(--soft-shadow-navbar-scrolled); /* Softer, slightly larger scrolled shadow */
    border-radius: var(--navbar-border-radius-scrolled);
    top: var(--navbar-top-offset-scrolled);
    left: 50%;
    transform: translateX(-50%);
}

/* --- Navbar Theming for Dark Background (.navbar-dark from Bootstrap) --- */
.navbar.navbar-dark .navbar-brand { color: white; transition: color var(--default-transition-duration) var(--default-transition-timing); }
.navbar.navbar-dark .navbar-brand:hover { color: var(--light-text); } /* Use light text variable */
.navbar.navbar-dark .nav-link { color: rgba(255, 255, 255, 0.8); transition: color var(--default-transition-duration) var(--default-transition-timing); }
.navbar.navbar-dark .nav-link:hover { color: white; text-decoration: none; }
.navbar.navbar-dark .nav-link.active { color: white; font-weight: 600; }
.navbar.navbar-dark .dropdown-toggle { color: rgba(255, 255, 255, 0.8); transition: color var(--default-transition-duration) var(--default-transition-timing); }
.navbar.navbar-dark .dropdown-toggle:hover { color: white; }
.navbar.navbar-dark .dropdown-menu { /* Default is light */ }
.navbar.navbar-dark .btn-outline-primary { /* This button is now light-on-dark */
    color: white;
    border-color: rgba(255, 255, 255, 0.7);
    box-shadow: none; /* Override base btn shadow */
    /* Transition already defined in .btn */
}
.navbar.navbar-dark .btn-outline-primary:hover {
    color: var(--primary-color); /* Text becomes primary color */
    background-color: white;     /* Background becomes white */
    border-color: white;
    box-shadow: var(--soft-shadow-md); /* Add shadow on hover */
}
/* --- End Navbar Styling --- */


/* Adjust main content padding */
#main-content {
     padding-top: calc(var(--navbar-padding-y-initial) * 2 + 3rem);
}


/* Hero Section */
.hero-section {
    /* Lighter gradient using the light slate */
    background: linear-gradient(rgba(241, 245, 249, 0.85), rgba(241, 245, 249, 0.85)), url('../assets/images/placeholder-hero-bg.jpg') no-repeat center center;
    background-size: cover;
    color: var(--text-color); /* Use standard text color */
    padding: 8rem 0 6rem 0;
    background-attachment: fixed;
    text-align: center;
    position: relative;
    overflow: hidden; /* Keep overflow hidden */
}
.hero-section h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--primary-color); /* Title is primary deep blue */
}
.hero-section .lead {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: var(--secondary-color); /* Lead text uses secondary slate grey */
}
/* Hero CTA Button uses Accent color */
.hero-section .btn-primary { /* Keep btn-primary class but style as Accent */
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    /* Inherits base shadow from .btn */
}
.hero-section .btn-primary:hover {
    background-color: var(--accent-hover-color);
    border-color: var(--accent-hover-color);
    color: white;
    /* Inherits hover shadow from .btn:hover */
}
/* Active state will use the .btn:active general rule */

/* Sections */
.section { padding: 4rem 0; }
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 700;
    font-size: 2rem;
    position: relative;
    color: var(--primary-color); /* Section titles use primary color */
}

/* Features Icons / How it Works */
.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4.5rem;
    height: 4.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.8rem; /* Keeping size, adjust if needed */
    font-weight: 700;
    color: white;
    background-color: var(--accent-color); /* Icons use Accent color */
    border-radius: 50%;
    box-shadow: var(--soft-shadow-sm); /* Subtle shadow on icons */
    transition: transform var(--default-transition-duration) var(--default-transition-timing),
                box-shadow var(--default-transition-duration) var(--default-transition-timing);
    will-change: transform, box-shadow;
}
#how-it-works .col-md-4:hover .feature-icon {
    transform: scale(1.1);
    box-shadow: var(--soft-shadow-md); /* Slightly enhance shadow on hover */
}
#how-it-works .col-md-4 { transition: all var(--default-transition-duration) var(--default-transition-timing); }
#how-it-works h3 { color: var(--secondary-color); } /* Sub-headings use secondary */

/* Benefits Section Cards */
#benefits { background-color: var(--light-bg-color); } /* Light background for contrast */
#benefits .card {
    transition: transform var(--default-transition-duration) var(--default-transition-timing),
                box-shadow var(--default-transition-duration) var(--default-transition-timing);
    border: none; /* Keep borderless */
    border-radius: 0.5rem;
    background-color: #ffffff; /* Ensure cards are white */
    box-shadow: var(--soft-shadow-md); /* Apply standard soft shadow */
    will-change: transform, box-shadow; /* Optimize transition */
}
#benefits .card:hover {
    transform: translateY(-8px);
    box-shadow: var(--soft-shadow-lg); /* Apply larger soft shadow on hover */
}
#benefits .card-body { padding: 2rem; }
#benefits .card-title { color: var(--primary-color); margin-bottom: 1rem; }
#benefits .card-text { color: var(--secondary-color); } /* Card text uses secondary */

/* Features Summary Section - Grid Styles */
#features-summary { position: relative; }
#features-summary .lead { margin-bottom: 3rem; color: var(--secondary-color); }
/* Updated feature-item animation for scroll */
.feature-item {
    transition: opacity var(--animation-duration-slow) var(--animation-timing-fade),
                transform var(--animation-duration-slow) var(--animation-timing-fade);
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(30px); /* Start slightly lower */
    will-change: opacity, transform;
}
.feature-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.feature-item-content {
    background-color: #ffffff;
    padding: 2rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--soft-shadow-md); /* Use consistent soft shadow */
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform var(--default-transition-duration) var(--default-transition-timing),
                box-shadow var(--default-transition-duration) var(--default-transition-timing),
                background-color var(--default-transition-duration) var(--default-transition-timing);
    will-change: transform, box-shadow, background-color;
}
.feature-item:hover .feature-item-content {
    transform: translateY(-8px);
    box-shadow: var(--soft-shadow-lg); /* Use consistent larger hover shadow */
    background-color: var(--light-bg-color);
}
.feature-icon-large {
    font-size: 3rem;
    color: var(--accent-color);
    transition: transform var(--default-transition-duration) var(--default-transition-timing); /* Keep existing icon transition */
    will-change: transform;
}
.feature-item:hover .feature-icon-large { transform: scale(1.1) rotate(-5deg); }
.feature-title { color: var(--primary-color); margin-top: 0.5rem; margin-bottom: 0.5rem; font-size: 1.1rem; }
.feature-description { font-size: 0.9rem; line-height: 1.5; flex-grow: 1; color: var(--secondary-color); } /* Description uses secondary */
#features-summary .btn-primary { margin-top: 1rem; } /* Button is styled as primary */

/* Testimonials */
#testimonials { background-color: var(--light-bg-color); } /* Light background */
.testimonial-card {
    border: none;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 1rem;
    background-color: #fff;
    box-shadow: var(--soft-shadow-md); /* Consistent soft shadow */
    /* Add transition for potential scroll animations if applied */
    transition: opacity var(--animation-duration-slow) var(--animation-timing-fade),
                transform var(--animation-duration-slow) var(--animation-timing-fade),
                box-shadow var(--default-transition-duration) var(--default-transition-timing); /* Add shadow transition */
    opacity: 1; /* Default visible state */
    transform: translateY(0);
    will-change: opacity, transform, box-shadow;
}
/* Example: If using .fade-in-section on the testimonial card directly */
/* .testimonial-card.fade-in-section { ... initial state ... } */
/* .testimonial-card.fade-in-section.is-visible { ... final state ... } */
/* Optional: Slight hover effect on testimonials */
.testimonial-card:hover {
    box-shadow: var(--soft-shadow-lg);
    /* transform: translateY(-4px); /* Subtle lift */
}

.testimonial-card blockquote { font-size: 1.15rem; font-style: italic; color: var(--secondary-color); margin-bottom: 1.5rem; } /* Quote text uses secondary */
.testimonial-card blockquote::before {
    content: '"';
    font-size: 3rem;
    color: var(--primary-color); /* Quote mark uses primary */
    opacity: 0.2;
    font-weight: bold;
    position: relative;
    top: 10px;
    margin-right: 5px;
    /* Transition for potential subtle effects (optional) */
    transition: opacity var(--default-transition-duration) var(--default-transition-timing);
}
.testimonial-author { font-style: normal; }
.testimonial-author img { width: 50px; height: 50px; border-radius: 50%; margin-right: 1rem; }
.testimonial-author cite { color: var(--primary-color); font-weight: 600; display: block; margin-top: 0.25rem; }

/* Pricing Table */
.pricing-card {
    transition: transform var(--default-transition-duration) var(--default-transition-timing),
                box-shadow var(--default-transition-duration) var(--default-transition-timing);
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    background-color: #fff;
    box-shadow: var(--soft-shadow-md); /* Consistent soft shadow */
    will-change: transform, box-shadow; /* Optimize transition */
}
.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--soft-shadow-lg); /* Consistent larger hover shadow */
}
.pricing-card .card-header { background-color: var(--light-bg-color); border-bottom: 1px solid #dee2e6; border-top-left-radius: 0.5rem; border-top-right-radius: 0.5rem; color: var(--primary-color); font-weight: 600; } /* Header uses light slate bg */
.pricing-card .price { font-size: 2.8rem; font-weight: 700; color: var(--primary-color); } /* Price uses primary */
.pricing-card ul { list-style: none; padding-left: 0; margin-bottom: 1.5rem; }
.pricing-card ul li { padding: 0.4rem 0; position: relative; padding-left: 1.8rem; color: var(--secondary-color); } /* List items use secondary */
.pricing-card ul li::before { content: '✓'; color: var(--accent-color); margin-right: 0.7rem; font-weight: bold; position: absolute; left: 0; top: 0.4rem; } /* Checkmark uses Accent */
.pricing-popular-badge { font-size: 0.8rem; font-weight: bold; padding: 0.3em 0.8em; border-radius: 0.25rem; background-color: var(--accent-color); color: white; } /* Badge uses Accent */
.pricing-card .btn { /* Ensure buttons inside pricing cards inherit button styles (shadows included) */ }

/* Key Figures Animation */
#key-figures { background-color: var(--light-bg-color); } /* Light background */
.key-figure-value { font-size: 3rem; font-weight: 700; color: var(--primary-color); margin-bottom: 0.5rem; } /* Number uses primary */
.key-figure-label { font-size: 1rem; color: var(--secondary-color); text-transform: uppercase; letter-spacing: 0.5px; } /* Label uses secondary */
/* Container for potential fade-in */
#key-figures .col-md-4 { /* Example */
    transition: opacity var(--animation-duration-slow) var(--animation-timing-fade),
                transform var(--animation-duration-slow) var(--animation-timing-fade);
    opacity: 1;
    transform: translateY(0);
    will-change: opacity, transform;
}

/* General Animation Class for Scroll (Apply with JS) */
/* Use this class on sections or elements you want to animate on scroll */
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(30px); /* Start slightly lower */
    transition: opacity var(--animation-duration-slow) var(--animation-timing-fade),
                transform var(--animation-duration-slow) var(--animation-timing-fade);
    will-change: opacity, transform;
}
.fade-in-on-scroll.is-visible { /* Add 'is-visible' class via JS when element is in viewport */
    opacity: 1;
    transform: translateY(0);
}

/* Cookie Banner */
.cookie-banner {
    z-index: 1050;
    transition: transform 0.5s ease-in-out;
    background-color: var(--light-bg-color);
    border-top: 1px solid #dee2e6;
    color: var(--secondary-color);
    box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.05); /* Soft shadow above */
}

/* Form Controls & Validation Feedback */
.form-control {
    /* Add transition for focus and validation states */
    transition: border-color var(--default-transition-duration) var(--default-transition-timing),
                box-shadow var(--default-transition-duration) var(--default-transition-timing);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.05); /* Subtle inset shadow for depth */
}

.form-control:focus {
    border-color: var(--primary-color); /* Use primary color for focus border */
    box-shadow: 0 0 0 0.2rem rgba(var(--focus-ring-color-rgb), var(--focus-ring-opacity)), /* Bootstrap-like focus ring */
                inset 0 1px 2px rgba(0,0,0,0.05); /* Keep inset shadow on focus */
    outline: 0; /* Remove default browser outline */
}

.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.05); /* Keep inset shadow even when invalid */
    /* Keep existing invalid style, transition handles the change smoothly */
}
.form-control.is-invalid:focus {
    border-color: #dc3545; /* Keep border red */
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25), /* Red focus ring */
                inset 0 1px 2px rgba(0,0,0,0.05); /* Keep inset shadow */
}

.invalid-feedback {
    display: block; /* Ensure it's always block for layout consistency */
    color: #dc3545;
    font-size: 0.875em;
    /* Add subtle appearance transition (optional) */
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity var(--default-transition-duration) var(--default-transition-timing),
                max-height var(--default-transition-duration) var(--default-transition-timing);
    will-change: opacity, max-height;
}
.form-control.is-invalid ~ .invalid-feedback {
    opacity: 1;
    max-height: 5em; /* Adjust as needed to fit potential message length */
}

.honeypot { position: absolute; left: -5000px; visibility: hidden; }

/* Final CTA Section */
#final-cta { background-color: var(--primary-color); } /* CTA uses primary background */
#final-cta .section-title { color: white; }
#final-cta p { color: var(--light-text); } /* Text on dark background */
#final-cta .btn-light {
    font-size: 1.1rem;
    padding: 0.8rem 2rem;
    /* Inherits base shadow from .btn */
}
/* Active state for btn-light will follow the general .btn:active rule */
/* Hover state for btn-light inherited from .btn:hover */

/* === Feature Detail Icon Styles === */
.feature-detail .feature-icon-image {
    width: var(--feature-icon-size); /* Uses the updated --feature-icon-size (120px) */
    height: var(--feature-icon-size); /* Uses the updated --feature-icon-size (120px) */
    object-fit: contain;
    display: block;
    margin-left: auto;
    margin-right: auto;
    border-radius: 8px;
    /* Add transition if icon changes on interaction */
    transition: transform var(--default-transition-duration) var(--default-transition-timing);
    /* border: 1px solid var(--light-bg-color); */
}
.feature-detail .feature-text-col h2,
.feature-detail .feature-text-col h4 {
    color: var(--primary-color); /* Ensure title uses primary */
}
.feature-detail .feature-text-col p {
    color: var(--secondary-color); /* Ensure paragraph uses secondary */
}


/* === Responsive Adjustments === */
@media (max-width: 991.98px) { /* lg breakpoint */
    .navbar-nav { align-items: center; }
}

@media (max-width: 767.98px) { /* md breakpoint */
    .hero-section h1 { font-size: 2.5rem; }
    .hero-section .lead { font-size: 1.15rem; }
    .section { padding: 3rem 0; }
    .section-title { font-size: 1.8rem; margin-bottom: 2.5rem; }
    .btn { padding: 0.6rem 1.2rem; }
    .key-figure-value { font-size: 2.5rem; }
    #benefits .card { margin-bottom: 1.5rem; }
    #how-it-works .col-md-4 { margin-bottom: 2rem; }
    .feature-item { margin-bottom: 1.5rem; }

    /* Navbar vars pour petits écrans */
     :root {
         --navbar-padding-y-initial: 1rem;
         --navbar-padding-y-scrolled: 0.5rem;
         --navbar-width-scrolled: 95%;
         --navbar-top-offset-scrolled: 8px;
         --navbar-border-radius-scrolled: 10px;
     }
     .navbar { padding-top: var(--navbar-padding-y-initial); padding-bottom: var(--navbar-padding-y-initial); }
     .navbar-scrolled { padding-top: var(--navbar-padding-y-scrolled); padding-bottom: var(--navbar-padding-y-scrolled); }
     #main-content { padding-top: calc(var(--navbar-padding-y-initial) * 2 + 2rem); }

    /* Feature Detail Mobile Styles */
       .feature-detail .feature-text-col h2,
       .feature-detail .feature-text-col h4 {
           font-size: 1.25rem;
           margin-top: 0.5rem;
           margin-bottom: 0.75rem;
           text-align: center; /* Ensure center alignment */
       }
       .feature-detail .feature-text-col p {
           text-align: center; /* Ensure center alignment */
       }
       /* Icon already centered via margin auto */
}

@media (min-width: 768px) { /* md screens and larger */
    /* Feature Detail Desktop Styles */
       .feature-detail .feature-icon-image {
           margin-left: 0; /* Aligne à gauche sur desktop */
           margin-right: 0; /* Aligne à gauche sur desktop */
       }
       .feature-detail .feature-text-col h2,
       .feature-detail .feature-text-col h4,
       .feature-detail .feature-text-col p {
           text-align: left; /* Align text left on desktop */
       }
}

/* Utility to visually hide elements but keep them accessible */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Improve performance on animations/transitions */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}