:root {
    --color-primary: #0A2240; /* Deep Navy Blue */
    --color-secondary: #5B7A9D; /* Muted Blue */
    --color-accent: #89A6C9; /* Soft Institutional Blue */
    --color-background: #F4F5F7; /* Light Neutral Grey */
    --color-text: #333333; /* Dark Neutral Grey */
    --color-white: #FFFFFF;
    --color-border: #E0E0E0;

    --font-family: 'Lato', sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.7;

    --spacing-xs: 4px;
    --spacing-s: 8px;
    --spacing-m: 16px;
    --spacing-l: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-xxxl: 64px;
    --section-padding: clamp(60px, 8vw, 120px);

    --border-radius: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease-in-out;
}

/* --- RESET & BASE --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: var(--spacing-m); }
a { color: var(--color-secondary); text-decoration: none; transition: var(--transition); }
a:hover, a:focus { color: var(--color-primary); }
ul, ol { list-style-position: inside; padding-left: var(--spacing-m); margin-bottom: var(--spacing-m); }
ul li, ol li { margin-bottom: var(--spacing-s); }
img { max-width: 100%; height: auto; display: block; }

.desaturated-img {
    filter: grayscale(100%) brightness(0.95) contrast(1.1);
    mix-blend-mode: multiply;
    opacity: 0.8;
}

/* --- LAYOUT --- */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.page-section {
    padding: var(--section-padding) 0;
}

.bg-light {
    background-color: var(--color-background);
}

.grid-2-cols { display: grid; gap: var(--spacing-xxl); }
.grid-3-cols { display: grid; gap: var(--spacing-xl); }
.grid-4-cols { display: grid; gap: var(--spacing-xl); }

@media (min-width: 768px) {
    .grid-2-cols { grid-template-columns: repeat(2, 1fr); }
    .grid-3-cols { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
    .grid-4-cols { grid-template-columns: repeat(4, 1fr); }
}

.narrow-content {
    max-width: 800px;
    margin: 0 auto;
}

/* --- HEADER --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: var(--spacing-xl);
}

.nav-links a {
    font-weight: 400;
    font-size: 1rem;
    color: var(--color-secondary);
    padding: var(--spacing-s) 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}
.nav-links a.active {
    color: var(--color-primary);
    font-weight: 700;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    margin: 5px 0;
    transition: var(--transition);
}

/* --- HERO --- */
.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--section-padding) 0;
    color: var(--color-white);
    background-size: cover;
    background-position: center;
}
#home-hero { background-image: url('https://images.pexels.com/photos/4081881/pexels-photo-4081881.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=650&w=940'); }
#segments-hero { background-image: url('https://images.pexels.com/photos/34460068/pexels-photo-34460068.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=650&w=940'); }
#gouvernance-hero { background-image: url('https://images.pexels.com/photos/31517325/pexels-photo-31517325.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=650&w=940'); }
#roi-hero { background-image: url('https://images.pexels.com/photos/34460067/pexels-photo-34460067.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=650&w=940'); }

.hero::before, .hero-small::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-primary);
    opacity: 0.8;
    filter: saturate(0.5);
}

.hero-small {
    position: relative;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--section-padding)/2) 0;
    color: var(--color-white);
    background-color: var(--color-primary);
}


.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}
.hero-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-l);
}
.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    font-weight: 300;
    opacity: 0.9;
}

/* --- SECTIONS & CARDS --- */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-l);
}
.section-title-left {
    text-align: left;
    margin-bottom: var(--spacing-l);
}
.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xxl);
    font-size: 1.1rem;
    color: var(--color-secondary);
}

.feature-card, .value-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}
.feature-card:hover, .value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}
.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-m);
    color: var(--color-accent);
}
.feature-card h3, .value-card h3 {
    margin-bottom: var(--spacing-s);
}

.content-preview-grid {
    display: grid;
    gap: var(--spacing-xl);
}
@media (min-width: 768px) {
    .content-preview-grid { grid-template-columns: repeat(2, 1fr); }
}

.preview-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}
.preview-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}
.preview-content {
    padding: var(--spacing-xl);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.preview-content h3 { margin-bottom: var(--spacing-m); }
.preview-content p { margin-bottom: var(--spacing-m); flex-grow: 1; }
.text-link {
    font-weight: 700;
    color: var(--color-secondary);
}
.text-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.content-block-container {
    display: grid;
    align-items: center;
    gap: var(--spacing-xxxl);
}
@media (min-width: 768px) {
    .content-block-container { grid-template-columns: 1fr 1fr; }
    .content-block-container-reversed {
        grid-template-columns: 1fr 1fr;
    }
    .content-block-container-reversed .content-block-image {
        order: -1;
    }
}
.content-block-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* --- ARTICLES --- */
.article-content { padding-top: var(--section-padding); }
.article-content .article-intro { text-align: left; font-style: italic; font-weight: 300; font-size: 1.2rem; border-left: 3px solid var(--color-accent); padding-left: var(--spacing-m); margin-bottom: var(--spacing-xxl); }
.article-h2 { margin-top: var(--spacing-xxxl); margin-bottom: var(--spacing-l); }
.article-image-container { margin: var(--spacing-xxl) 0; }
.article-image-container img { border-radius: var(--border-radius); }
.article-image-container figcaption { font-size: 0.9rem; text-align: center; color: var(--color-secondary); margin-top: var(--spacing-s); }
.article-cta {
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-l);
    background: var(--color-background);
    border-left: 4px solid var(--color-accent);
}
.related-articles .grid-2-cols { gap: var(--spacing-xl); }
.preview-card-simple {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}
.preview-card-simple h3 { margin-bottom: var(--spacing-s); }
.preview-card-simple p { margin-bottom: var(--spacing-m); }

/* --- CONTACT PAGE --- */
.contact-container {
    display: grid;
    gap: var(--spacing-xxxl);
}
@media (min-width: 1024px) {
    .contact-container { grid-template-columns: 2fr 1fr; }
}
.contact-disclaimer {
    background: var(--color-background);
    padding: var(--spacing-m);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-l);
    border-left: 4px solid var(--color-secondary);
}
.contact-disclaimer p { margin: 0; font-size: 0.9em; }

.contact-form .form-group { margin-bottom: var(--spacing-l); }
.contact-form .form-group-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-l); }
.contact-form label { display: block; font-weight: 700; margin-bottom: var(--spacing-s); font-size: 0.9rem; }
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-m);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(137, 166, 201, 0.3);
}

.button {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-m) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}
.button:hover { background-color: var(--color-secondary); }

.info-block {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-m);
    margin-top: var(--spacing-xl);
}
.info-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    color: var(--color-accent);
}
.info-block h3 { margin-bottom: var(--spacing-s); font-size: 1.2rem; }
.info-block p { margin: 0; }

/* --- FOOTER --- */
.site-footer-dark {
    background-color: var(--color-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--section-padding) 0 0;
    font-size: 0.9rem;
}
.site-footer-dark h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-m);
}
.site-footer-dark a {
    color: rgba(255, 255, 255, 0.8);
}
.site-footer-dark a:hover {
    color: var(--color-white);
    text-decoration: underline;
}
.footer-grid {
    display: grid;
    gap: var(--spacing-xxl);
    padding-bottom: var(--section-padding);
}
@media (min-width: 768px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.footer-column ul { list-style: none; padding: 0; }
.footer-column ul li { margin-bottom: var(--spacing-s); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-l) 0;
    text-align: center;
}

/* --- COOKIE BANNER --- */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 34, 64, 0.95);
    color: var(--color-white);
    z-index: 9999;
    padding: var(--spacing-m);
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-l);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    backdrop-filter: blur(5px);
}
.cookie-content p {
    margin: 0;
    font-size: 0.9rem;
}
.cookie-content a {
    color: var(--color-accent);
    text-decoration: underline;
}
.cookie-buttons {
    display: flex;
    gap: var(--spacing-m);
    flex-shrink: 0;
}
#cookie-banner button {
    padding: var(--spacing-s) var(--spacing-m);
    font-size: 0.9rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    border: 1px solid var(--color-accent);
    background-color: var(--color-accent);
    color: var(--color-primary);
    font-weight: 700;
}
#cookie-banner button.decline {
    background-color: transparent;
    color: var(--color-accent);
}

/* --- BACK TO TOP BUTTON --- */
#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: var(--color-secondary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: var(--transition);
    opacity: 0;
}
#back-to-top:hover {
    background-color: var(--color-primary);
}
#back-to-top.show {
    display: flex;
    opacity: 1;
}

/* --- RESPONSIVE --- */
@media (max-width: 1023px) {
    .nav-links-wrapper {
        position: fixed;
        top: 0;
        right: 0;
        width: 300px;
        height: 100vh;
        background-color: var(--color-primary);
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        padding-top: 100px;
    }
    .nav-links-wrapper.open {
        transform: translateX(0);
    }
    .nav-links {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    .nav-links li {
        width: 100%;
        text-align: center;
    }
    .nav-links a {
        color: var(--color-white);
        display: block;
        padding: var(--spacing-m) 0;
        font-size: 1.2rem;
    }
    .nav-links a.active {
        background-color: var(--color-secondary);
    }
    .nav-links a::after {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }
    .mobile-menu-toggle.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .mobile-menu-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    .mobile-menu-toggle.open span {
        background-color: var(--color-primary);
    }
}
@media (max-width: 767px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    .grid-3-cols, .grid-4-cols { grid-template-columns: 1fr; }
    .contact-form .form-group-split { grid-template-columns: 1fr; }
    #cookie-banner {
        flex-direction: column;
        text-align: center;
    }
}