/* 1. VARIABLES */
:root {
    --color-dark-primary: #12272b;
    --color-dark-secondary: #1a3638;
    --color-light-blue: #abd8d8;
    --color-accent-yellow: #f1fd0d;
    --color-white: #ffffff;
    --color-light-grey: #f4f6f8;
    
    --shadow-soft: 0 10px 40px -10px rgba(18, 39, 43, 0.1);
    --shadow-hover: 0 20px 40px -10px rgba(18, 39, 43, 0.2);
    --radius-lg: 16px;
    --radius-md: 8px;

    /* Tokens utilitaires */
    --spacing-sm: 10px;
    --spacing-lg: 40px;
    --border-radius-md: 8px;
    --shadow-light: 0 8px 22px -12px rgba(18, 39, 43, 0.25);
}

/* 2. RESET ET BASE */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    line-height: 1.7;
    color: var(--color-dark-primary);
    background-color: #fafbfc;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-dark-primary);
}
h1 {    
    font-weight: 900;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--color-light-blue), var(--color-accent-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: none;
}

/* Titres sur fond clair */
.section:not(.graph) h2 {
    background: linear-gradient(115deg, #17393b 0%, #2d666c 58%, #5b969d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.section:not(.graph) h2::after {
    background: linear-gradient(90deg, var(--color-accent-yellow), var(--color-light-blue));
}

.seo-ia-summary .ia-title-emoji {
    color: #ffd54a;
    -webkit-text-fill-color: #ffd54a;
    background: none;
}

/* Soulignement des titres */
h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-accent-yellow);
    margin: 1rem auto 0;
    border-radius: 2px;
}

p {
    margin-bottom: 1.5rem;
    color: #546e7a;
    font-size: 1.1rem;
}

a { text-decoration: none; transition: all 0.3s ease; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

#pourquoi-choisir h3,
#pourquoi-choisir h3 strong {
    color: #546e7a;
}

/* 3. NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(18, 39, 43, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.navbar-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 14px;
    margin: 8px 14px;
}

.navbar-start {
    justify-self: start;
    position: relative;
}

.navbar-center {
    justify-self: center;
}

.navbar-end {
    justify-self: end;
}

.navbar-logo-link {
    display: inline-flex;
    align-items: center;
}

.navbar-logo {
    height: 52px;
    width: auto;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown summary {
    list-style: none;
}

.nav-dropdown summary::-webkit-details-marker {
    display: none;
}

.nav-menu-btn {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-menu-btn svg {
    width: 20px;
    height: 20px;
}

.nav-menu-list {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    width: min(280px, 82vw);
    margin: 0;
    padding: 10px;
    list-style: none;
    background: #ffffff;
    border: 1px solid #dce2ea;
    border-radius: 12px;
    box-shadow: 0 14px 30px rgba(18, 39, 43, 0.22);
    z-index: 1100;
}

.nav-menu-list li + li {
    margin-top: 6px;
}

.nav-menu-list a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--color-dark-primary);
    font-weight: 600;
    text-decoration: none;
}

.nav-menu-list a:hover {
    background: rgba(84, 110, 122, 0.12);
}

.nav-btn-devis {
    background: var(--color-accent-yellow);
    color: var(--color-dark-primary);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-btn-devis:hover {
    background: var(--color-white);
    transform: translateY(-2px);
}

/* 4. HEADER */
.header-animation-area {
    position: relative;
    background: linear-gradient(180deg, #17393b 0%, #11282b 100%);
    padding: 22px 0 72px;
    text-align: center;
    overflow: hidden;
    margin-top: 60px;
}

.header-animation-area .container {
    position: relative;
    z-index: 1;
    max-width: 1320px;
}

.header-animation-area h1 {
    color: var(--color-light-grey); 
    margin: 26px auto;
    font-size: 80px;
}

.header-animation-area p {
    color: rgba(255, 255, 255, 0.86);
    font-size: 1.1rem;
    max-width: 740px;
    margin: 0 auto;
    opacity: 1;
}

/* Animation des cercles flottants */
.circles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0;
    pointer-events: none;
}

.circles li {
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.12) 60%, rgba(255, 255, 255, 0.06) 100%);
    animation: animate 25s linear infinite;
    bottom: -150px;
    border-radius: 50%;
    box-shadow: inset -8px -12px 18px rgba(255, 255, 255, 0.06), 0 0 10px rgba(171, 216, 216, 0.12);
}

.circles li:nth-child(1) { left: 25%; width: 90px; height: 90px; animation-delay: 0s; }
.circles li:nth-child(2) { left: 10%; width: 52px; height: 52px; animation-delay: 2s; animation-duration: 12s; }
.circles li:nth-child(3) { left: 70%; width: 58px; height: 58px; animation-delay: 4s; }
.circles li:nth-child(4) { left: 40%; width: 78px; height: 78px; animation-delay: 0s; animation-duration: 18s; }
.circles li:nth-child(5) { left: 65%; width: 56px; height: 56px; animation-delay: 0s; }
.circles li:nth-child(6) { left: 75%; width: 120px; height: 120px; animation-delay: 3s; }
.circles li:nth-child(7) { left: 35%; width: 150px; height: 150px; animation-delay: 7s; }
.circles li:nth-child(8) { left: 50%; width: 60px; height: 60px; animation-delay: 15s; animation-duration: 45s; }
.circles li:nth-child(9) { left: 20%; width: 50px; height: 50px; animation-delay: 2s; animation-duration: 35s; }
.circles li:nth-child(10) { left: 85%; width: 150px; height: 150px; animation-delay: 0s; animation-duration: 11s; }

@keyframes animate {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; border-radius: 0; }
    100% { transform: translateY(-1000px) rotate(720deg); opacity: 0; border-radius: 50%; }
}

/* 5. BOUTONS */
.cta-group {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: -40px;
    position: relative;
    z-index: 10;
    padding: 0 20px;
}

.cta-btn {
    background: var(--color-dark-primary);
    color: var(--color-white);
    padding: 16px 32px;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(18, 39, 43, 0.3);
    border: 1px solid transparent;
    text-align: center;
}

.cta-btn:hover {
    background: var(--color-accent-yellow);
    color: var(--color-dark-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(241, 253, 13, 0.4);
}

.cta-btn.alt-btn {
    background: transparent;
    border: 2px solid var(--color-dark-primary);
    color: var(--color-dark-primary);
    box-shadow: none;
}

.cta-btn.alt-btn:hover {
    background: var(--color-dark-primary);
    color: var(--color-white);
}

/* Boutons dans les blocs sombres : style inversé */
.section.graph .cta-btn,
.contact-section .cta-btn {
    background: var(--color-accent-yellow);
    color: var(--color-dark-primary);
    border: 1px solid transparent;
    box-shadow: 0 8px 24px rgba(241, 253, 13, 0.28);
}

.section.graph .cta-btn:hover,
.contact-section .cta-btn:hover {
    background: transparent;
    color: #f3fbff;
    border-color: rgba(243, 251, 255, 0.65);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
}

.section .container > .cta-btn {
    display: table;
    margin: 22px auto 0;
}

/* Sommaire dynamique */
.table-of-contents {
    background: linear-gradient(180deg, #f7fbfc 0%, #eef4f6 100%);
    padding: 48px 0;
    border-top: 1px solid rgba(18, 39, 43, 0.08);
    border-bottom: 1px solid rgba(18, 39, 43, 0.08);
    text-align: center;
}

.table-of-contents .container {
    max-width: 980px;
    background: var(--color-white);
    border: 1px solid rgba(18, 39, 43, 0.08);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    padding: 28px 24px;
}

.table-of-contents .h2-as-p {
    font-size: 1.75rem;
    color: var(--color-dark-secondary);
    margin-bottom: 18px;
    position: relative;
    display: inline-block;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.table-of-contents .h2-as-p::after {
    content: '';
    display: block;
    width: 52%;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--color-accent-yellow) 25%, var(--color-light-blue) 75%, transparent 100%);
    margin: 10px auto 0;
    border-radius: 999px;
}

.toc-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    list-style: none;
    gap: 10px;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: max-height 0.35s ease, opacity 0.25s ease, transform 0.25s ease;
}

.toc-list.visible {
    max-height: 520px;
    margin-bottom: 18px;
    opacity: 1;
    transform: translateY(0);
}

.toc-list li {
    list-style: none;
}

.toc-list li a {
    display: block;
    padding: 10px 14px;
    background: #f3f8fa;
    color: var(--color-dark-primary);
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
    border: 1px solid rgba(18, 39, 43, 0.12);
}

.toc-list li a:hover {
    background-color: var(--color-accent-yellow);
    color: var(--color-dark-primary);
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 8px 18px rgba(18, 39, 43, 0.14);
}

.toc-toggle-btn {
    margin-top: 14px;
    padding: 12px 22px;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--color-dark-primary), var(--color-dark-secondary));
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 24px rgba(18, 39, 43, 0.22);
}

.toc-toggle-btn:hover {
    background: linear-gradient(135deg, var(--color-accent-yellow), #d9ea13);
    color: var(--color-dark-primary);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .table-of-contents {
        padding: 36px 0;
    }

    .table-of-contents .container {
        border-radius: var(--radius-md);
        padding: 22px 14px;
    }

    .table-of-contents .h2-as-p {
        font-size: 1.45rem;
    }

    .toc-list li a {
        font-size: 0.82rem;
        padding: 9px 12px;
    }
}

/* 6. SECTIONS & CARTES */
.section {
    padding: 80px 0;
}

.section.alt {
    background: var(--color-white);
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.section.split-layout .icon-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 768px) {
    .section.split-layout .icon-list {
        grid-template-columns: 1fr;
    }
}

.icon-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 40px 0;
    padding: 0;
    max-width: 100%;
    list-style: none;
}

.icon-list li {
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border-left: 4px solid var(--color-accent-yellow);
    text-align: left;
    font-size: 1rem;
    color: var(--color-dark-primary);
    transition: transform 0.3s ease;
}

.icon-list li:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.icon-list li::before {
    content: '✓';
    color: var(--color-dark-primary);
    background: var(--color-accent-yellow);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    margin-right: 10px;
    position: static;
    transform: none;
}

/* 7. GRAPHIQUES */
.section.graph {
    background: var(--color-dark-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    margin: 40px 20px;
    padding: 60px 40px;
}

.section.graph h2 {
    color: var(--color-white);
    background: none;
    -webkit-text-fill-color: currentColor;
    filter: none;
}
.section.graph p { color: var(--color-light-blue); }

.graph-bar {
    background: rgba(255,255,255,0.1);
    height: 50px;
    border-radius: 50px;
    margin: 20px 0;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.2);
}

.graph-bar .bar {
    background: linear-gradient(90deg, var(--color-light-blue), var(--color-accent-yellow));
    height: 100%;
    width: 0;
    border-radius: 50px;
    display: flex;
    align-items: center;
    padding-left: 20px;
    color: #f8fbff;
    text-shadow: 0 3px 4px #00000059;
    font-weight: 700;
    font-size: 0.95rem;
    transition: width 1.5s cubic-bezier(0.22, 1, 0.36, 1);
    white-space: nowrap;
}

/* 8. CHIFFRES CLÉS */
.key-figures-bar-section {
    background: transparent;
    padding: 60px 0;
}

.figures-bar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.figure-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-dark-primary);
    line-height: 1;
    margin-bottom: 10px;
    background: -webkit-linear-gradient(45deg, var(--color-dark-primary), var(--color-light-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.figure-label {
    color: #78909c;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    font-weight: 600;
}

.separator { display: none; }

/* 9. TÉMOIGNAGES */
.testimonials-section { background: #fafbfc; }

.google-certified {
    text-align: center;
    margin-bottom: 40px;
    font-weight: 600;
    color: var(--color-dark-primary);
}

.google-emoji { color: #fbbc05; margin-right: 8px; }

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    background: var(--color-white);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid #eee;
    transition: all 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-accent-yellow);
}

.review-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 15px;
}

.review-author { font-weight: 700; color: var(--color-dark-primary); }
.review-stars { color: #fbbc05; letter-spacing: 2px; }
.review-content { font-style: italic; color: #546e7a; font-size: 0.95rem; }

.review-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}

/* 10. BLOG & IA */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.mockup-browser {
    border: 1px solid #d5dae1;
    border-radius: 14px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(18, 39, 43, 0.14);
}

.mockup-browser-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: #f4f6f9;
    border-bottom: 1px solid #dfe4eb;
}

.mockup-browser-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
}

.browser-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    border: 1px solid rgba(0, 0, 0, 0.25);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.browser-btn.close {
    background: #ff5f57;
}

.browser-btn.minimize {
    background: #febc2e;
}

.browser-btn.maximize {
    background: #28c840;
}

.mockup-browser-url {
    flex: 1;
    font-size: 0.8rem;
    color: #556273;
    background: #ffffff;
    border: 1px solid #d6dde8;
    border-radius: 999px;
    padding: 6px 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.blog-card {
    background: var(--color-white);
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
    transition: transform 0.3s ease;
    display: block;
}

.blog-card:hover { transform: translateY(-5px); }

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-info { padding: 24px; }
.blog-info h3 { font-size: 1.2rem; margin-bottom: 10px; }

.read-more {
    display: inline-block;
    margin-top: 15px;
    color: var(--color-dark-primary);
    font-weight: 700;
    border-bottom: 2px solid var(--color-accent-yellow);
}

/* Bloc IA */
.ia-box {
    background: var(--color-dark-secondary);
    color: var(--color-light-blue);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
}

.ia-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background: var(--color-accent-yellow);
}

.ia-box strong { color: var(--color-accent-yellow); }
.ia-box p { color: var(--color-light-blue); }

/* 11. FAQ & FOOTER */
.faq-item {
    background: var(--color-white);
    margin-bottom: 15px;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px;
    background: none;
    border: none;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    color: var(--color-dark-primary);
}

.faq-question.active {
    color: var(--color-dark-primary);
    background: rgba(241, 253, 13, 0.2);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    padding: 0 20px;
    background: var(--color-white);
    color: #546e7a;
}

.faq-answer.open {
    padding: 20px;
    max-height: 300px;
    border-top: 1px solid #eee;
}

.site-footer {
    background: linear-gradient(180deg, #102329 0%, #0d1b20 100%);
    color: #d7e7ee;
}

.footer-top {
    padding: 40px 24px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-title {
    margin: 0 0 6px;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 800;
    color: #f3fbff;
}

.footer-link {
    color: rgba(215, 231, 238, 0.82);
    font-size: 0.95rem;
}

.footer-link:hover {
    color: var(--color-accent-yellow);
    text-decoration: underline;
}

.footer-bottom-wrap {
    border-top: 1px solid rgba(171, 216, 216, 0.2);
}

.footer-bottom {
    min-height: 84px;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    height: 34px;
    width: auto;
    object-fit: contain;
    flex: 0 0 auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
}

.footer-brand p {
    margin: 0;
    color: rgba(215, 231, 238, 0.9);
    font-size: 0.88rem;
    line-height: 1.4;
}

.footer-brand p br {
    display: block;
}

.footer-social {
    display: grid;
    grid-auto-flow: column;
    gap: 10px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid rgba(171, 216, 216, 0.35);
    color: #d7e7ee;
    background: rgba(255, 255, 255, 0.05);
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.footer-social a:hover {
    transform: translateY(-2px);
    background: var(--color-accent-yellow);
    color: #12272b;
}

.footer-social svg {
    fill: currentColor;
}

/* 12. FLOATING CTA */
.floating-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 2000;
}

.cta-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-accent-yellow);
    color: var(--color-dark-primary);
    border: none;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-content {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 280px;
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.floating-cta.open .cta-content {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.cta-content p { margin: 10px 0; font-size: 0.95rem; color: var(--color-dark-primary); }
.cta-content a { color: var(--color-dark-primary); font-weight: 600; }
.cta-content a:hover { color: var(--color-accent-yellow); }

.cta-content .cta-btn {
    display: block;
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: 999px;
    text-align: center;
    background: var(--color-accent-yellow);
    color: var(--color-dark-primary);
    border: 1px solid rgba(18, 39, 43, 0.15);
    box-shadow: 0 8px 18px rgba(18, 39, 43, 0.18);
}

.cta-content .cta-btn:hover {
    background: var(--color-dark-primary);
    color: var(--color-white);
    transform: none;
}

/* 13. LIENS SIMILAIRES */
.related-links-section {
    background-color: var(--color-light-grey);
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.devsource-links-dropdown {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--color-white);
    border: 1px solid rgba(18, 39, 43, 0.12);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    overflow: hidden;
}

.devsource-links-dropdown summary {
    list-style: none;
    cursor: pointer;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, var(--color-dark-primary), var(--color-dark-secondary));
    color: var(--color-white);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.devsource-links-dropdown summary::-webkit-details-marker {
    display: none;
}

.devsource-links-dropdown summary::after {
    content: '+';
    font-size: 1.4rem;
    line-height: 1;
    color: var(--color-accent-yellow);
}

.devsource-links-dropdown[open] summary::after {
    content: '−';
}

.devsource-links-footer {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    padding: 1rem;
    background: #f6f6f6;
    border-top: 1px solid #ddd;
    max-height: 420px;
    overflow: auto;
}

.devsource-links-footer a {
    display: block;
    padding: 0.85rem 1rem;
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    color: var(--color-dark-primary);
    font-weight: 600;
    border: 1px solid rgba(18, 39, 43, 0.08);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

.devsource-links-footer a:hover {
    background-color: var(--color-dark-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* 14. SECTION CONTACT */

.contact-section {
    background: linear-gradient(180deg, var(--color-dark-secondary) 0%, var(--color-dark-primary) 100%);
    padding: 80px 0;
    text-align: center;
}

.contact-badge {
    display: inline-block;
    background: rgba(241, 253, 13, 0.15); 
    color: var(--color-accent-yellow);
    border: 1px solid rgba(241, 253, 13, 0.3);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 6px 16px;
    margin-bottom: 24px;
}

.section.contact-section h2.contact-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: #ffffff;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 12px;
    background: none;
    -webkit-text-fill-color: #ffffff;
    text-shadow: 0 6px 22px rgba(171, 216, 216, 0.22);
}

.section.contact-section h2.contact-title::after {
    display: none;
}

.contact-sub {
    color: rgba(171, 216, 216, 0.8);
    font-size: 1.05rem;
    margin-bottom: 48px;
}

.contact-cards {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.contact-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 24px 32px;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-soft);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.contact-icon {
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--color-light-blue);
}

.contact-type {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(171, 216, 216, 0.6);
    font-weight: 600;
}

.contact-value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-light-grey);
}

.contact-trust {
    margin-top: 16px;
    font-size: 13px;
    color: rgba(171, 216, 216, 0.45);
    margin-bottom: 0;
}

/* 15. RESPONSIVE */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }

    .section {
        padding: 68px 0;
    }

    .navbar-content {
        margin: 8px 12px;
        gap: 10px;
    }

    .header-animation-area {
        padding: 26px 0 62px;
    }

    .header-animation-area h1 {
        font-size: clamp(2.9rem, 7.2vw, 4.6rem);
        max-width: 12ch;
    }

    .header-animation-area p {
        font-size: 1rem;
        max-width: 90%;
    }

    .figures-bar-grid {
        gap: 24px;
        padding: 28px;
    }

    .section.graph {
        margin: 24px 12px;
        padding: 42px 26px;
    }

    .reviews-grid,
    .blog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px;
    }

    .footer-top {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px;
    }

    .footer-col:last-child {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        padding: 14px 20px;
    }

    .footer-logo {
        height: 30px;
    }
}

@media (max-width: 768px) {
    h2 {
        font-size: 2rem;
    }

    .container {
        padding: 0 16px;
    }

    .section {
        padding: 56px 0;
    }

    .navbar-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin: 8px 10px;
        position: relative;
        min-height: 48px;
    }

    .navbar-start,
    .navbar-end {
        position: relative;
        z-index: 2;
    }

    .navbar-center {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        z-index: 1;
    }

    .navbar-logo {
        height: 44px;
    }

    .nav-menu-btn {
        width: 38px;
        height: 38px;
    }

    .nav-menu-list {
        width: min(250px, 86vw);
    }

    .nav-btn-devis {
        padding: 8px 12px;
        font-size: 0.75rem;
    }

    .header-animation-area {
        margin-top: 58px;
        padding: 18px 0 48px;
    }

    .header-animation-area h1 {
        font-size: clamp(2.2rem, 10.8vw, 3.4rem);
        line-height: 1;
        max-width: 10ch;
        margin: 18px auto 8px;
    }

    .header-animation-area p {
        font-size: 0.96rem;
        max-width: 92%;
    }

    .cta-group {
        margin-top: -26px;
        flex-direction: column;
        gap: 10px;
        padding: 0 16px;
    }

    .cta-group .cta-btn {
        width: 100%;
    }

    .table-of-contents {
        padding: 32px 0;
    }

    .table-of-contents .container {
        padding: 18px 12px;
    }

    .toc-list.visible {
        max-height: 680px;
    }

    .icon-list,
    .section.split-layout .icon-list {
        grid-template-columns: 1fr;
        gap: 14px;
        margin: 26px 0;
    }

    .icon-list li {
        padding: 18px;
    }

    .graph-bar {
        height: 46px;
    }

    .graph-bar .bar {
        padding-left: 14px;
        font-size: 0.84rem;
    }

    .figures-bar-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
        padding: 18px;
    }

    .figure-number {
        font-size: 2.2rem;
    }

    .section.graph {
        margin: 18px 0;
        padding: 26px 16px;
        border-radius: 12px;
    }

    .reviews-grid,
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .review-buttons {
        gap: 12px;
    }

    .mockup-browser-url {
        font-size: 0.72rem;
    }

    .blog-card img {
        height: 180px;
    }

    .ia-box {
        padding: 24px 18px;
    }

    .devsource-links-footer {
        grid-template-columns: 1fr;
        max-height: 300px;
    }

    .contact-section {
        padding: 56px 0;
    }

    .section.contact-section h2.contact-title {
        font-size: clamp(1.7rem, 8.8vw, 2.4rem);
    }

    .contact-sub {
        font-size: 0.96rem;
        margin-bottom: 24px;
    }

    .contact-cards {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        margin-bottom: 24px;
    }

    .contact-card {
        min-width: 0;
        width: 100%;
        padding: 16px 14px;
    }

    .floating-cta {
        right: 14px;
        bottom: 14px;
    }

    .cta-toggle {
        width: 54px;
        height: 54px;
        font-size: 21px;
    }

    .cta-content {
        width: min(85vw, 300px);
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 26px 16px;
    }

    .footer-col {
        gap: 8px;
    }

    .footer-title {
        font-size: 0.78rem;
    }

    .footer-link {
        font-size: 0.9rem;
        line-height: 1.35;
        padding: 1px 0;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 16px;
    }

    .footer-brand {
        width: 100%;
    }

    .footer-logo {
        height: 28px;
    }

    .footer-brand p {
        font-size: 0.82rem;
    }

    .footer-social {
        grid-auto-flow: column;
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 15px;
    }

    .container {
        padding: 0 14px;
    }

    .header-animation-area h1 {
        font-size: clamp(2rem, 11.8vw, 2.8rem);
    }

    .nav-btn-devis {
        padding: 7px 10px;
        font-size: 0.68rem;
    }

    .graph-bar .bar {
        font-size: 0.78rem;
    }

    .figure-number {
        font-size: 2rem;
    }

    .blog-info {
        padding: 16px;
    }

    .footer-top {
        padding: 22px 14px;
    }

    .footer-bottom {
        padding: 14px;
    }

    .footer-logo {
        height: 25px;
    }

    .footer-social a {
        width: 34px;
        height: 34px;
    }
}