/**
 * Design System - K-LIGHT SERVICES SARL
 * Standard : Odyssey System & Inspirations UIverse.io (CSS Vanilla Pur)
 * 
 * Ancrage Métier :
 * - Acier Sombre & Électromécanique : #0b0f19 / #121827
 * - L'impulsion Laser / Énergie K-Light : #e40091
 * - Terre de Latérite & Cuivre Minier : #d97706
 * - Stérilité Clinique & Diagnostic : #ffffff / #f8fafc
 * - Voyant d'état Réseau / Disponibilité : #10b981
 * 
 * Typographie : Space Grotesk (Ingénierie & Autorité) + Plus Jakarta Sans (Lisibilité)
 * 
 * @package K-Light Services
 * @version 2.1 (Odyssey Edition)
 */

/* ==========================================================================
   1. TOKENS DE CONCEPTION ODYSSEY SYSTEM
   ========================================================================== */
:root {
    /* Palette Métier K-Light */
    --color-acier-profond: #080c15;         /* Fond sombre industrie lourde */
    --color-acier-surface: #0f172a;         /* Surface des pupitres et cartes sombres */
    --color-acier-border: #1e293b;          /* Bordures usinées */
    --color-acier-card: #141e33;            /* Fond des cartes techniques */

    --color-klight-magenta: #e40091;        /* Magenta laser K-Light */
    --color-klight-hover: #c3007b;
    --color-klight-glow: rgba(228, 0, 145, 0.35);
    --color-klight-subtle: rgba(228, 0, 145, 0.08);

    --color-or-minier: #d97706;             /* Cuivre & minerais du Burkina Faso */
    --color-or-glow: rgba(217, 119, 6, 0.3);

    --color-statut-vert: #10b981;           /* Voyant de disponibilité active */
    --color-statut-glow: rgba(16, 185, 129, 0.4);

    --color-texte-principal: #0f172a;       /* Lecture optimale sur fond clair */
    --color-texte-secondaire: #475569;
    --color-texte-clair: #f8fafc;           /* Blanc neige sur surfaces sombres */
    --color-texte-mute: #94a3b8;

    --color-fond-page: #ffffff;
    --color-fond-alt: #f1f5f9;              /* Gris technique clair */
    --color-border-light: #e2e8f0;

    /* Typographies Métier */
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Rayons & Élévations */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    --shadow-soft: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
    --shadow-tech: 0 12px 32px -4px rgba(8, 12, 21, 0.12);
    --shadow-glow: 0 0 25px var(--color-klight-glow);

    /* Transitions */
    --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   2. RESET & FONDATIONS (MOBILE FIRST)
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--color-texte-principal);
    background-color: var(--color-fond-page);
    line-height: 1.68;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

button, input, textarea, select {
    font: inherit;
    color: inherit;
}

.container {
    width: 100%;
    padding-right: 1.25rem;
    padding-left: 1.25rem;
    margin-right: auto;
    margin-left: auto;
    max-width: 1240px;
}

/* Titres Typographiques Ingénierie */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-acier-profond);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 { font-size: 2.1rem; }
h2 { font-size: 1.85rem; }
h3 { font-size: 1.35rem; }

/* ==========================================================================
   3. COMPOSANTS INSPIRÉS DE UIVERSE.IO (CSS PUR)
   ========================================================================== */

/* 3.1 Badge Pulsant "Statut Actif / Disponibilité Ouagadougou" */
.badge-status-pulse {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #065f46;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
}
.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-statut-vert);
    border-radius: 50%;
    position: relative;
}
.pulse-dot::after {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--color-statut-vert);
    opacity: 0.6;
    animation: uiverse-pulse 2s cubic-bezier(0.455, 0.03, 0.515, 0.955) infinite;
}
@keyframes uiverse-pulse {
    0% { transform: scale(0.6); opacity: 0.8; }
    50% { transform: scale(1.6); opacity: 0; }
    100% { transform: scale(0.6); opacity: 0; }
}

/* 3.2 Boutons Haute Précision & Action Vive */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.65rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    min-height: 48px; /* Zone tactile conforme */
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, #e40091 0%, #c3007b 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px var(--color-klight-glow);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-primary:hover {
    box-shadow: 0 6px 22px rgba(228, 0, 145, 0.5);
    transform: translateY(-2px);
}
.btn-primary:active {
    transform: translateY(1px);
}

.btn-outline {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    backdrop-filter: blur(8px);
}
.btn-outline:hover {
    background-color: #ffffff;
    color: var(--color-acier-profond);
    border-color: #ffffff;
    transform: translateY(-2px);
}

.btn-outline-dark {
    background-color: transparent;
    border-color: var(--color-border-light);
    color: var(--color-acier-profond);
}
.btn-outline-dark:hover {
    border-color: var(--color-klight-magenta);
    color: var(--color-klight-magenta);
    background-color: var(--color-klight-subtle);
}

.btn-block { width: 100%; }

/* Bouton WhatsApp avec lueur */
.btn-whatsapp-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #25d366 0%, #1ebd56 100%);
    color: #ffffff;
    padding: 0.45rem 1rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp-pill:hover {
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.5);
    transform: translateY(-1px);
}

/* ==========================================================================
   4. TOPBAR TECHNIQUE
   ========================================================================== */
.topbar {
    background-color: var(--color-acier-profond);
    color: #94a3b8;
    font-size: 0.82rem;
    border-bottom: 1px solid var(--color-acier-border);
    padding: 0.45rem 0;
}
.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.topbar-info {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}
.topbar-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.topbar-link:hover {
    color: #ffffff;
}
.hide-mobile { display: none; }

/* ==========================================================================
   5. HEADER & NAVIGATION RESPONSIVE
   ========================================================================== */
.site-header {
    background-color: rgba(11, 15, 25, 0.95);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}
.brand-logo {
    display: flex;
    align-items: center;
}
.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

/* Navigation Mobile */
.main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 82%;
    max-width: 340px;
    height: 100vh;
    background-color: var(--color-acier-profond);
    padding: 5rem 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: -10px 0 35px rgba(0, 0, 0, 0.6);
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
}
.main-nav.is-open { right: 0; }
.nav-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.nav-link {
    color: #cbd5e1;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 500;
    display: block;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.nav-link:hover, .nav-link.active {
    color: var(--color-klight-magenta);
    padding-left: 0.5rem;
}
.nav-mobile-cta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 2rem;
}

.burger-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    z-index: 1001;
}
.burger-line {
    width: 24px;
    height: 2px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: var(--transition);
}
.burger-btn.is-active .burger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.burger-btn.is-active .burger-line:nth-child(2) { opacity: 0; }
.burger-btn.is-active .burger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}
.hide-tablet { display: none; }

.nav-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.nav-backdrop.is-visible {
    opacity: 1;
    pointer-events: auto;
}

/* ==========================================================================
   6. HERO SECTION HAUTE PRÉCISION
   ========================================================================== */
.hero {
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(228, 0, 145, 0.15) 0%, transparent 45%),
                linear-gradient(135deg, rgba(8, 12, 21, 0.96) 0%, rgba(15, 23, 42, 0.90) 100%),
                url('../img/hero-banner-1.jpg') center/cover no-repeat;
    color: #ffffff;
    padding: 5rem 0 5.5rem;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-klight-magenta), transparent);
}
.hero-content { max-width: 820px; }
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem;
    background-color: rgba(228, 0, 145, 0.12);
    border: 1px solid rgba(228, 0, 145, 0.35);
    color: #f472b6;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}
.hero-title {
    color: #ffffff;
    font-size: 2.35rem;
    font-weight: 700;
    line-height: 1.18;
    margin-bottom: 1.35rem;
}
.hero-desc {
    color: #cbd5e1;
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 2.25rem;
}
.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1.75rem;
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.badge-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.88rem;
    color: #e2e8f0;
    font-family: var(--font-heading);
}
.badge-icon { color: var(--color-klight-magenta); }

/* ==========================================================================
   7. SECTIONS & DESIGN SYSTEM GRILLES
   ========================================================================== */
.section { padding: 4.5rem 0; }
.section-alt { background-color: var(--color-fond-alt); }
.section-dark {
    background-color: var(--color-acier-profond);
    color: #ffffff;
}
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3.5rem;
}
.section-tag {
    color: var(--color-klight-magenta);
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
    display: block;
}
.section-title {
    font-size: 2.1rem;
    margin-bottom: 1rem;
}
.section-subtitle {
    color: var(--color-texte-secondaire);
    font-size: 1rem;
    line-height: 1.7;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.25rem;
}
.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
.grid-4 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

/* ==========================================================================
   8. CARTES DE SERVICES À RÉTROÉCLAIRAGE K-LIGHT (UIVERSE)
   ========================================================================== */
.service-card {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
}
.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    pointer-events: none;
    border: 1px solid transparent;
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px -8px rgba(8, 12, 21, 0.12),
                0 0 0 1px var(--color-klight-magenta);
}
.service-img-wrapper {
    position: relative;
    height: 230px;
    overflow: hidden;
    background-color: var(--color-acier-surface);
}
.service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.service-card:hover .service-img {
    transform: scale(1.06);
}
.service-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--color-acier-profond);
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.15);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.service-body {
    padding: 1.85rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.service-title {
    font-size: 1.3rem;
    margin-bottom: 0.85rem;
}
.service-desc {
    color: var(--color-texte-secondaire);
    font-size: 0.95rem;
    line-height: 1.68;
    margin-bottom: 1.75rem;
    flex-grow: 1;
}
.service-link {
    color: var(--color-klight-magenta);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.92rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.service-link:hover { gap: 0.7rem; }

/* ==========================================================================
   9. BOÎTES D'ATOUTS & INGÉNIERIE
   ========================================================================== */
.feature-box {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    padding: 2.25rem 1.75rem;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}
.feature-box:hover {
    border-color: var(--color-klight-magenta);
    transform: translateY(-5px);
    box-shadow: var(--shadow-tech);
}
.feature-icon-wrapper {
    width: 58px;
    height: 58px;
    background: linear-gradient(135deg, rgba(228, 0, 145, 0.1) 0%, rgba(217, 119, 6, 0.1) 100%);
    color: var(--color-klight-magenta);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.35rem;
    border: 1px solid rgba(228, 0, 145, 0.2);
}
.feature-title {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}
.feature-desc {
    color: var(--color-texte-secondaire);
    font-size: 0.93rem;
    line-height: 1.65;
}

/* ==========================================================================
   10. CARROUSEL CONTINU INFINI DES MARQUES PARTENAIRES (CSS PUR)
   ========================================================================== */
.partners-bar {
    background-color: #ffffff;
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
    padding: 3.5rem 0;
    overflow: hidden;
}
.partners-intro {
    text-align: center;
    color: var(--color-texte-secondaire);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2.25rem;
}
.marquee-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    /* Masque de dégradé latéral pour une transition visuelle soignée */
    mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}
.marquee-track {
    display: flex;
    width: max-content;
    gap: 4.5rem;
    animation: marquee-scroll 24s linear infinite;
}
.marquee-track:hover {
    animation-play-state: paused; /* Pause au survol pour interaction utilisateur */
}
.partner-logo-item {
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(100%) opacity(0.7);
    transition: var(--transition);
    flex-shrink: 0;
}
.partner-logo-item:hover {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.1);
}
.partner-logo-item img {
    max-height: 46px;
    width: auto;
    object-fit: contain;
}

@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ==========================================================================
   11. TÉMOIGNAGES CLIENTS EN 2 BLOCS (IMAGE TERRAIN + DIAPORAMA AUTOMATIQUE)
   ========================================================================== */
.testimonials-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: stretch;
}

/* Bloc 1 : Image de Réalisation Terrain */
.testimonial-visual-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    min-height: 380px;
    background: linear-gradient(135deg, rgba(8, 12, 21, 0.8) 0%, rgba(228, 0, 145, 0.6) 100%),
                url('../img/hero-banner-2.jpg') center/cover no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2.5rem;
    color: #ffffff;
    box-shadow: var(--shadow-tech);
    border: 1px solid rgba(255, 255, 255, 0.15);
}
.visual-tag {
    display: inline-block;
    background-color: var(--color-klight-magenta);
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
    width: fit-content;
}
.visual-title {
    color: #ffffff;
    font-size: 1.6rem;
    line-height: 1.25;
    margin-bottom: 0.75rem;
}
.visual-desc {
    color: #e2e8f0;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Bloc 2 : Diaporama Automatique des Témoignages */
.testimonial-slider-container {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    min-height: 380px;
}
.testimonial-slide {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.testimonial-slide.is-active {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
    opacity: 1;
}
.testimonial-slider-quote {
    color: var(--color-texte-principal);
    font-size: 1.08rem;
    font-style: italic;
    line-height: 1.75;
    margin-bottom: 2rem;
    position: relative;
}
.testimonial-slider-quote::before {
    content: '“';
    position: absolute;
    top: -1.5rem;
    left: -0.5rem;
    font-size: 4.5rem;
    color: var(--color-klight-magenta);
    opacity: 0.15;
    font-family: serif;
    line-height: 1;
}
.slider-client-meta {
    border-top: 1px solid var(--color-border-light);
    padding-top: 1.25rem;
    display: flex;
    flex-direction: column;
}
.slider-client-name {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-acier-profond);
}
.slider-client-role {
    font-size: 0.88rem;
    color: var(--color-klight-magenta);
    font-weight: 600;
    margin-bottom: 0.25rem;
}
.slider-client-mission {
    font-size: 0.84rem;
    color: var(--color-texte-secondaire);
}

/* Pagination Dots du Diaporama */
.slider-controls {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 2rem;
    padding-top: 1rem;
}
.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-border-light);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}
.slider-dot.is-active {
    width: 32px;
    border-radius: var(--radius-full);
    background-color: var(--color-klight-magenta);
}

/* ==========================================================================
   12. BANNIÈRE DE CONVERSION CTA ÉPURÉE
   ========================================================================== */
.cta-banner {
    position: relative;
    background: radial-gradient(circle at 10% 90%, rgba(217, 119, 6, 0.25) 0%, transparent 40%),
                linear-gradient(135deg, rgba(8, 12, 21, 0.96) 0%, rgba(228, 0, 145, 0.82) 100%),
                url('../img/cta-bg.jpg') center/cover no-repeat;
    color: #ffffff;
    padding: 5rem 0;
    text-align: center;
}
.cta-content {
    max-width: 760px;
    margin: 0 auto;
}
.cta-title {
    color: #ffffff;
    font-size: 2.3rem;
    margin-bottom: 1.1rem;
}
.cta-desc {
    color: #f1f5f9;
    font-size: 1.05rem;
    margin-bottom: 2.25rem;
    line-height: 1.75;
}
.cta-buttons {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.25rem;
}

/* ==========================================================================
   13. FORMULAIRE DE CONTACT & ENTRÉES RÉTROÉCLAIRÉES
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}
.contact-info-card {
    background-color: var(--color-acier-surface);
    color: #ffffff;
    border-radius: var(--radius-md);
    padding: 2.75rem 2.25rem;
    border: 1px solid var(--color-acier-border);
}
.contact-info-card h3 {
    color: #ffffff;
    margin-bottom: 1.25rem;
}
.contact-info-desc {
    color: var(--color-texte-mute);
    margin-bottom: 2.25rem;
    font-size: 0.96rem;
}
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}
.contact-method-item {
    display: flex;
    align-items: flex-start;
    gap: 1.1rem;
}
.contact-icon-bubble {
    width: 46px;
    height: 46px;
    background-color: rgba(228, 0, 145, 0.15);
    color: var(--color-klight-magenta);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(228, 0, 145, 0.3);
}
.contact-method-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: #cbd5e1;
    margin-bottom: 0.2rem;
}
.contact-method-val {
    font-size: 1.02rem;
    font-weight: 500;
    color: #ffffff;
}

.form-card {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    padding: 2.75rem 2.25rem;
    box-shadow: var(--shadow-tech);
    border: 1px solid var(--color-border-light);
}
.form-group { margin-bottom: 1.35rem; }
.form-label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.92rem;
    margin-bottom: 0.45rem;
    color: var(--color-acier-profond);
}
.form-label .required { color: var(--color-klight-magenta); }
.form-control {
    width: 100%;
    padding: 0.85rem 1.1rem;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    background-color: #ffffff;
    transition: var(--transition);
    font-size: 0.95rem;
}
.form-control:focus {
    outline: none;
    border-color: var(--color-klight-magenta);
    box-shadow: 0 0 0 3px var(--color-klight-glow);
}
textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

.alert-success {
    background-color: #ecfdf5;
    border: 1px solid var(--color-statut-vert);
    color: #065f46;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.75rem;
}
.alert-error {
    background-color: #fef2f2;
    border: 1px solid #ef4444;
    color: #991b1b;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.75rem;
}

/* ==========================================================================
   14. FOOTER INSTITUTIONNEL
   ========================================================================== */
.site-footer {
    background-color: var(--color-acier-profond);
    color: #94a3b8;
    padding-top: 5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.75rem;
    margin-bottom: 3.5rem;
}
.footer-logo {
    height: 48px;
    width: auto;
    margin-bottom: 1.35rem;
}
.footer-desc {
    font-size: 0.93rem;
    line-height: 1.7;
    margin-bottom: 1.6rem;
    color: #cbd5e1;
}
.badge-partner {
    display: inline-block;
    padding: 0.3rem 0.85rem;
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
}
.cert-text {
    font-size: 0.82rem;
    color: #94a3b8;
}
.footer-title {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 1.35rem;
    position: relative;
    padding-bottom: 0.5rem;
}
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 36px;
    height: 2px;
    background-color: var(--color-klight-magenta);
}
.footer-links li, .footer-contact li {
    margin-bottom: 0.8rem;
    font-size: 0.92rem;
}
.footer-links a:hover, .footer-contact a:hover {
    color: var(--color-klight-magenta);
    padding-left: 0.4rem;
}
.link-download {
    color: var(--color-klight-magenta);
    font-weight: 600;
}
.contact-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    color: #64748b;
    text-transform: uppercase;
    font-weight: 600;
}
.footer-subgroup {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-subtitle {
    color: #e2e8f0;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.85rem;
    position: relative;
    padding-bottom: 0.35rem;
}
.footer-subtitle::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--color-klight-magenta);
}
.footer-links-legal li {
    margin-bottom: 0.65rem;
}
.footer-links-legal a {
    color: #94a3b8;
    font-size: 0.88rem;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
    min-height: 24px;
}
.footer-links-legal a:hover {
    color: var(--color-klight-magenta);
    padding-left: 0.3rem;
}
.link-admin-subtle {
    opacity: 0.75;
}
.link-admin-subtle:hover {
    opacity: 1;
}
.footer-bottom {
    background-color: #04070d;
    padding: 2rem 0;
    font-size: 0.88rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    z-index: 10;
}
.footer-bottom-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem 3rem;
    width: 100%;
    padding-right: 5.5rem; /* Dégagement de sécurité pour le widget flottant WhatsApp */
}
.copyright-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.85rem 1.75rem;
    color: #94a3b8;
    line-height: 1.6;
}
.copyright-legal {
    margin: 0;
    color: #94a3b8;
    font-size: 0.88rem;
}
.copyright-meta {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.85rem 1.35rem;
}
.sep-bullet {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.95rem;
    user-select: none;
    margin: 0 0.25rem;
}
.agency-credit a,
.sitemap-credit a {
    color: #cbd5e1;
    text-decoration: underline;
    text-underline-offset: 4px;
    font-weight: 600;
    transition: var(--transition);
}
.agency-credit a:hover,
.sitemap-credit a:hover {
    color: var(--color-klight-magenta);
}
.footer-badge-wrap {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    margin-left: auto;
}
.version-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 1.15rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-full);
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-decoration: none !important;
    white-space: nowrap;
    transition: var(--transition);
}
.version-badge:hover {
    background: rgba(228, 0, 145, 0.18);
    border-color: rgba(228, 0, 145, 0.5);
    color: #ffffff;
    box-shadow: 0 0 16px rgba(228, 0, 145, 0.35);
    transform: translateY(-1px);
}
.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #10b981;
    display: inline-block;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulse-green 2s infinite cubic-bezier(0.66, 0, 0, 1);
}
@keyframes pulse-green {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}
@media (max-width: 991px) {
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
        justify-content: center;
        gap: 1.25rem;
        padding-right: 0;
        padding-bottom: 2.5rem;
    }
    .copyright-wrap {
        justify-content: center;
        text-align: center;
        gap: 0.75rem 1.25rem;
    }
    .copyright-meta {
        justify-content: center;
    }
    .footer-badge-wrap {
        margin-left: 0;
        margin-top: 0.25rem;
    }
}
@media (max-width: 640px) {
    .copyright-wrap {
        flex-direction: column;
        gap: 0.5rem;
    }
    .sep-bullet {
        display: none;
    }
    .copyright-meta {
        flex-direction: column;
        gap: 0.4rem;
    }
}

/* ==========================================================================
   15. BOUTON FLOTTANT WHATSAPP HAUTE VISIBILITÉ
   ========================================================================== */
.whatsapp-float-container {
    position: fixed;
    bottom: 1.75rem;
    right: 1.75rem;
    z-index: 9999;
}
.whatsapp-float-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366 0%, #1ebd56 100%);
    color: #ffffff;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45);
    transition: var(--transition);
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.2);
}
.whatsapp-float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.65);
}
.whatsapp-tooltip { display: none; }

/* ==========================================================================
   16. MEDIA QUERIES RESPONSIVE (MOBILE-FIRST)
   ========================================================================== */
@media (min-width: 640px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .hero-actions { flex-direction: row; }
    .cta-buttons { flex-direction: row; }
}

@media (min-width: 768px) {
    h1 { font-size: 2.85rem; }
    h2 { font-size: 2.35rem; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .hide-mobile { display: inline-flex; }
}

@media (min-width: 992px) {
    .burger-btn { display: none; }
    .main-nav {
        position: static;
        width: auto;
        max-width: none;
        height: auto;
        background: transparent;
        padding: 0;
        box-shadow: none;
        flex-direction: row;
        align-items: center;
    }
    .nav-list {
        flex-direction: row;
        gap: 2.25rem;
    }
    .nav-link {
        font-size: 0.95rem;
        padding: 0.5rem 0;
        border-bottom: none;
        position: relative;
    }
    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--color-klight-magenta);
        transition: var(--transition);
    }
    .nav-link:hover::after, .nav-link.active::after { width: 100%; }
    .nav-link:hover, .nav-link.active { padding-left: 0; }
    .nav-mobile-cta { display: none; }
    .hide-tablet { display: inline-flex; }

    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    .contact-grid { grid-template-columns: 1fr 1.35fr; }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.2fr; }

    .whatsapp-tooltip {
        display: block;
        position: absolute;
        right: 72px;
        background-color: var(--color-acier-surface);
        color: #ffffff;
        padding: 0.45rem 0.9rem;
        border-radius: var(--radius-sm);
        font-family: var(--font-heading);
        font-size: 0.82rem;
        font-weight: 600;
        white-space: nowrap;
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        box-shadow: var(--shadow-tech);
        border: 1px solid var(--color-acier-border);
    }
    .whatsapp-float-btn:hover .whatsapp-tooltip {
        opacity: 1;
        transform: translateX(-4px);
    }
}

/* ==========================================================================
   17. RÉSEAUX SOCIAUX & LIENS LÉGAUX DU FOOTER
   ========================================================================== */
.footer-socials {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-top: 1.5rem;
}
.social-link {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.social-link:hover {
    background-color: var(--color-klight-magenta);
    border-color: var(--color-klight-magenta);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--color-klight-glow);
}
.footer-bottom-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.85rem;
}
.legal-link {
    color: var(--color-texte-mute);
    transition: var(--transition);
}
.legal-link:hover {
    color: var(--color-klight-magenta);
}
.separator {
    color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   18. MODULE GALERIE PHOTO & PORTFOLIO TERRAIN
   ========================================================================== */
.gallery-filter-bar {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 2.75rem;
}
.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    background-color: #ffffff;
    border: 1px solid var(--color-border-light);
    color: var(--color-texte-principal);
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.filter-btn:hover, .filter-btn.is-active {
    background-color: var(--color-acier-profond);
    color: #ffffff;
    border-color: var(--color-acier-profond);
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.75rem;
}
@media (min-width: 640px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 992px) {
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

.gallery-card {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border-light);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}
.gallery-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-tech);
    border-color: rgba(228, 0, 145, 0.4);
}
.gallery-img-wrapper {
    position: relative;
    height: 250px;
    overflow: hidden;
    background-color: var(--color-acier-surface);
}
.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.gallery-card:hover .gallery-img {
    transform: scale(1.08);
}
.gallery-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: rgba(11, 15, 25, 0.85);
    color: #ffffff;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}
.gallery-info {
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.gallery-title {
    font-size: 1.15rem;
    color: var(--color-acier-profond);
}
.gallery-client {
    font-size: 0.85rem;
    color: var(--color-klight-magenta);
    font-weight: 600;
}
.gallery-desc {
    font-size: 0.9rem;
    color: var(--color-texte-secondaire);
    line-height: 1.5;
}

/* Lightbox Interactive pour la Galerie */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background-color: rgba(8, 12, 21, 0.92);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.lightbox-modal.is-open {
    opacity: 1;
    pointer-events: auto;
}
.lightbox-content {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    max-width: 820px;
    width: 100%;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}
.lightbox-img-box {
    width: 100%;
    max-height: 480px;
    overflow: hidden;
    background-color: var(--color-acier-profond);
}
.lightbox-img-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.lightbox-caption {
    padding: 1.75rem;
    background-color: #ffffff;
}
.lightbox-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background-color: rgba(11, 15, 25, 0.85);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition);
}
.lightbox-close-btn:hover {
    background-color: var(--color-klight-magenta);
    transform: scale(1.1);
}

/* ==========================================================================
   19. MODULE BLOG & ACTUALITÉS
   ========================================================================== */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
@media (min-width: 768px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 992px) {
    .blog-grid { grid-template-columns: repeat(3, 1fr); }
}

.blog-card {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}
.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-tech);
    border-color: rgba(228, 0, 145, 0.35);
}
.blog-card-img {
    height: 220px;
    width: 100%;
    object-fit: cover;
}
.blog-card-body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.blog-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.82rem;
    color: var(--color-texte-mute);
    margin-bottom: 0.75rem;
}
.blog-category {
    color: var(--color-klight-magenta);
    font-weight: 700;
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
}
.blog-card-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    line-height: 1.35;
}
.blog-card-title a:hover {
    color: var(--color-klight-magenta);
}
.blog-card-excerpt {
    font-size: 0.92rem;
    color: var(--color-texte-secondaire);
    line-height: 1.6;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}
.blog-read-more {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-klight-magenta);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.blog-read-more:hover {
    gap: 0.65rem;
}

/* Page Article Détaillé */
.article-container {
    max-width: 820px;
    margin: 0 auto;
    padding: 2rem 0 4rem;
}
.article-header {
    margin-bottom: 2.5rem;
}
.article-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin: 1rem 0;
}
.article-cover {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow-tech);
}
.article-content {
    font-size: 1.08rem;
    line-height: 1.85;
    color: var(--color-texte-principal);
}
.article-content p {
    margin-bottom: 1.5rem;
}
.article-content h2 {
    font-size: 1.75rem;
    margin: 2.5rem 0 1rem;
}
.article-content h3 {
    font-size: 1.35rem;
    margin: 2rem 0 0.85rem;
}
.article-content ul, .article-content ol {
    margin: 1.25rem 0 1.75rem 1.75rem;
    list-style: disc;
}
.article-content li {
    margin-bottom: 0.6rem;
}

/* Pages Légales */
.legal-card {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    padding: 3rem 2.5rem;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-soft);
    margin: 2rem auto 4rem;
    max-width: 900px;
}
.legal-card h2 {
    font-size: 1.5rem;
    margin: 2rem 0 0.75rem;
    border-bottom: 2px solid var(--color-fond-alt);
    padding-bottom: 0.5rem;
}
.legal-card p {
    margin-bottom: 1.25rem;
    line-height: 1.75;
    color: var(--color-texte-secondaire);
}

/* ==========================================================================
   16. JOURNAL DES VERSIONS (CHANGELOG) — ODYSSEY SYSTEM
   ========================================================================== */
.changelog-hero {
    background: radial-gradient(circle at top right, rgba(228, 0, 145, 0.15), transparent 50%),
                linear-gradient(135deg, #05080f 0%, #0b1120 100%);
    color: #ffffff;
    padding: 5rem 0 4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
}
.changelog-hero-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}
.changelog-version-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(228, 0, 145, 0.3);
    padding: 1.5rem 1.75rem;
    border-radius: var(--radius-lg);
    min-width: 260px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
.changelog-version-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-klight-magenta);
    line-height: 1.1;
    margin: 0.35rem 0;
}
.changelog-timeline-section {
    background-color: #f8fafc;
    padding: 4.5rem 0;
}
.changelog-quality-banner {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
    box-shadow: var(--shadow-soft);
    flex-wrap: wrap;
}
.quality-icon-box {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: rgba(228, 0, 145, 0.1);
    color: var(--color-klight-magenta);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.changelog-timeline {
    position: relative;
    padding-left: 2.5rem;
}
.changelog-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 11px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-klight-magenta) 0%, #cbd5e1 100%);
}
.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
}
.timeline-dot {
    position: absolute;
    left: -2.5rem;
    top: 1.5rem;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #ffffff;
    border: 3px solid var(--color-klight-magenta);
    box-shadow: 0 0 0 4px rgba(228, 0, 145, 0.2);
    z-index: 2;
}
.timeline-dot.is-previous {
    border-color: #94a3b8;
    box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.2);
}
.timeline-card {
    background: #ffffff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}
.timeline-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
    border-color: rgba(228, 0, 145, 0.3);
}
.timeline-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 1rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.version-pill {
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
}
.version-pill-current {
    background: var(--color-klight-magenta);
    color: #ffffff;
}
.version-pill-archived {
    background: #0f172a;
    color: #ffffff;
}
.timeline-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}
.timeline-feature-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}
@media (max-width: 768px) {
    .changelog-hero {
        padding: 3.5rem 0 2.5rem;
    }
    .changelog-timeline {
        padding-left: 1.75rem;
    }
    .changelog-timeline::before {
        left: 8px;
    }
    .timeline-dot {
        left: -1.75rem;
        width: 18px;
        height: 18px;
        top: 1.25rem;
    }
    .timeline-card {
        padding: 1.25rem;
    }
}