/**
 * LD Solutions - Page Solutions & Expertises (REDESIGN)
 *
 * Disposition refondue en "chapitres editoriaux" :
 * - Grand numero de chapitre + filet
 * - Intro 2-col (lead | aside tags+CTA)
 * - Banniere image full-width sous l'intro
 * - Features en liste editoriale numerotee 2-col
 * - Solutions en twin cards side-by-side
 * - Realisations en grille 2-col
 * - "Pour qui" en cartes navy numerotees
 *
 * @package ldsolutions
 * @version 4.0.0
 */

/* ============================================================
   PAGE HERO (commun aux pages internes)
   ============================================================ */

.page-hero {
    position: relative;
    min-height: 55vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 200px 2rem 120px;
    overflow: hidden;
}

.page-hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.page-hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-hero__bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(2, 27, 80, 0.7);
}

.page-hero__container {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.page-hero__title {
    margin: 0 0 1.5rem;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
    text-transform: uppercase;
    color: var(--lds-white, #ffffff);
}

.page-hero__title span {
    font-style: italic;
    color: var(--lds-white, #ffffff);
}

.page-hero__desc {
    margin: 0 auto 2.5rem;
    max-width: 640px;
    font-family: Arial, sans-serif;
    font-size: 1.125rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================================
   PRIMITIVE PARTAGEE - tag pill
   ============================================================ */

.tag {
    display: inline-block;
    padding: 8px 16px;
    font-family: Arial, sans-serif;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--lds-navy, #021B50);
    background: rgba(2, 27, 80, 0.06);
    border: 1px solid rgba(2, 27, 80, 0.12);
    border-radius: 100px;
}

.tag--light {
    color: rgba(255, 255, 255, 0.95);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

/* ============================================================
   CHAPTER - Section principale d'une expertise
   ============================================================ */

.se-chapter {
    position: relative;
    padding: 140px 0 120px;
    overflow: hidden;
}

.se-chapter--light {
    background: var(--lds-white, #ffffff);
}

.se-chapter--gray {
    background: linear-gradient(160deg, var(--lds-platinium, #EBEBEB) 0%, #e2e4e8 100%);
}

.se-chapter__inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* En-tete numerote */
.se-chapter__head {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
    margin-bottom: 56px;
    border-bottom: 1px solid rgba(2, 27, 80, 0.12);
    padding-bottom: 32px;
}

.se-chapter--gray .se-chapter__head {
    border-bottom-color: rgba(2, 27, 80, 0.18);
}

.se-chapter__num {
    position: relative;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.18em;
    line-height: 1;
    color: var(--lds-navy, #021B50);
    text-transform: uppercase;
    padding: 14px 22px;
    border: 1px solid rgba(2, 27, 80, 0.18);
    border-radius: 100px;
    background: var(--lds-white, #ffffff);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.se-chapter--gray .se-chapter__num {
    background: rgba(255, 255, 255, 0.6);
}

.se-chapter__num::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--lds-blue, #125AF8);
    box-shadow: 0 0 0 4px rgba(18, 90, 248, 0.18);
}

.se-chapter__num em {
    font-style: italic;
    font-weight: 500;
    color: rgba(2, 27, 80, 0.55);
    margin-right: 2px;
}

.se-chapter__label {
    font-family: Arial, sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(2, 27, 80, 0.55);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.se-chapter__title {
    margin: 0;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-size: clamp(1.75rem, 3.4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    text-transform: uppercase;
    color: var(--lds-navy, #021B50);
    max-width: 760px;
}

.se-chapter__title span {
    font-style: italic;
}

.se-chapter__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--lds-navy, #021B50);
}

.se-chapter__icon svg {
    width: 36px;
    height: 36px;
    stroke-width: 1.5;
    stroke: var(--lds-navy, #021B50);
}

/* Intro : lead a gauche, aside tags+CTA a droite */
.se-chapter__intro {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 64px;
    margin-bottom: 72px;
    align-items: start;
}

.se-chapter__lead p {
    font-family: Arial, sans-serif;
    font-size: 1.0625rem;
    font-weight: 400;
    line-height: 1.8;
    color: rgba(21, 30, 40, 0.72);
    margin: 0 0 1rem;
}

.se-chapter__aside {
    padding: 28px;
    border-radius: var(--lds-radius-lg, 24px);
    background: rgba(2, 27, 80, 0.04);
    border: 1px solid rgba(2, 27, 80, 0.08);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.se-chapter--gray .se-chapter__aside {
    background: rgba(255, 255, 255, 0.5);
    border-color: rgba(2, 27, 80, 0.08);
}

.se-chapter__aside-label {
    font-family: Arial, sans-serif;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(2, 27, 80, 0.55);
}

.se-chapter__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.se-chapter__tags .tag {
    white-space: nowrap;
}

.se-chapter__aside .lds-btn {
    align-self: flex-start;
    width: 100%;
    justify-content: center;
}

/* Banniere image full-width sous l'intro */
.se-chapter__banner {
    position: relative;
    width: calc(100% - 4rem);
    max-width: 1336px;
    margin: 0 auto 80px;
    border-radius: 14px;
    overflow: hidden;
    height: 180px;
    box-shadow: 0 16px 40px rgba(2, 27, 80, 0.12);
}

.se-chapter__banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.se-chapter__banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, rgba(2, 27, 80, 0.55) 0%, rgba(2, 27, 80, 0) 55%);
}

.se-chapter__banner-caption {
    position: absolute;
    left: 40px;
    bottom: 32px;
    color: var(--lds-white, #ffffff);
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 600;
    font-size: 0.9375rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 14px;
}

.se-chapter__banner-caption::before {
    content: "";
    width: 36px;
    height: 2px;
    background: var(--lds-white, #ffffff);
}

/* ============================================================
   FEATURES - Liste editoriale 2-col numerotee
   ============================================================ */

.se-chapter__features {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.se-chapter__features-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: 24px;
    flex-wrap: wrap;
}

.se-chapter__features-title {
    margin: 0;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--lds-navy, #021B50);
}

.se-chapter__features-title em {
    font-style: italic;
    font-weight: 500;
    color: rgba(2, 27, 80, 0.55);
}

.se-chapter__features-count {
    font-family: Arial, sans-serif;
    font-size: 0.8125rem;
    color: rgba(2, 27, 80, 0.5);
    font-weight: 600;
    letter-spacing: 0.08em;
}

.se-feat-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-top: 1px solid rgba(2, 27, 80, 0.12);
}

.se-chapter--gray .se-feat-list {
    border-top-color: rgba(2, 27, 80, 0.18);
}

.se-feat {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 24px;
    row-gap: 6px;
    padding: 24px 28px;
    border-bottom: 1px solid rgba(2, 27, 80, 0.12);
    align-items: start;
    transition: background 0.25s ease;
}

.se-chapter--gray .se-feat {
    border-bottom-color: rgba(2, 27, 80, 0.18);
}

.se-feat:hover {
    background: rgba(18, 90, 248, 0.04);
}

.se-feat:nth-child(odd) {
    border-right: 1px solid rgba(2, 27, 80, 0.12);
}

.se-chapter--gray .se-feat:nth-child(odd) {
    border-right-color: rgba(2, 27, 80, 0.18);
}

.se-feat__num {
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 600;
    font-style: italic;
    font-size: 1.0625rem;
    color: var(--lds-blue, #125AF8);
    grid-row: 1 / span 2;
    align-self: start;
    width: 36px;
    text-align: right;
    letter-spacing: -0.02em;
    padding-top: 2px;
}

.se-feat__title {
    margin: 0;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 600;
    font-size: 1.0625rem;
    letter-spacing: -0.005em;
    color: var(--lds-navy, #021B50);
    display: flex;
    align-items: center;
    gap: 10px;
}

.se-feat__title svg,
.se-feat__title i[data-lucide] {
    width: 18px;
    height: 18px;
    stroke-width: 1.6;
    stroke: var(--lds-navy, #021B50);
    flex-shrink: 0;
}

.se-feat__text {
    margin: 0;
    font-family: Arial, sans-serif;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: rgba(21, 30, 40, 0.68);
}

/* ============================================================
   SEPARATOR
   ============================================================ */

.se-sep {
    max-width: 1400px;
    margin: 80px auto;
    padding: 0 2rem;
}

.se-sep__line {
    display: block;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.1) 20%, rgba(0, 0, 0, 0.15) 50%, rgba(0, 0, 0, 0.1) 80%, transparent 100%);
}

/* ============================================================
   SOLUTIONS - Twin cards side-by-side
   ============================================================ */

.se-solutions {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.se-solutions__head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 56px;
}

.se-solutions__kicker {
    display: inline-block;
    font-family: Arial, sans-serif;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--lds-blue, #125AF8);
    padding: 6px 14px;
    border: 1px solid rgba(18, 90, 248, 0.25);
    border-radius: 100px;
    margin-bottom: 18px;
    background: rgba(18, 90, 248, 0.06);
}

.se-solutions__title {
    margin: 0 0 14px;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 700;
    font-size: clamp(1.5rem, 2.6vw, 2rem);
    letter-spacing: -0.02em;
    line-height: 1.2;
    text-transform: uppercase;
    color: var(--lds-navy, #021B50);
}

.se-solutions__title span {
    font-style: italic;
}

.se-solutions__subtitle {
    margin: 0;
    font-family: Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(21, 30, 40, 0.65);
}

.se-solutions__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.se-solution {
    position: relative;
    display: grid;
    grid-template-rows: auto 1fr;
    background: linear-gradient(145deg, var(--lds-white, #ffffff) 0%, #F8FAFF 50%, var(--lds-white, #ffffff) 100%);
    border-radius: var(--lds-radius-lg, 24px);
    border: 1.5px solid transparent;
    background-clip: padding-box;
    box-shadow:
        0 4px 20px rgba(2, 27, 80, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    overflow: hidden;
    transition: transform 0.35s var(--lds-ease-out, cubic-bezier(0.22, 1, 0.36, 1)), box-shadow 0.35s var(--lds-ease-out, cubic-bezier(0.22, 1, 0.36, 1)), border-color 0.35s ease;
}

/* Bordure dégradée bleue (style page d'accueil Infrastructure & Réseaux) */
.se-solution::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--lds-radius-lg, 24px);
    padding: 1.5px;
    background: linear-gradient(135deg, rgba(2, 27, 80, 0.15), rgba(18, 90, 248, 0.3), rgba(2, 27, 80, 0.15));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
    z-index: 3;
}

/* Trait bleu accent en haut à gauche */
.se-solution::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    width: 4px;
    height: 60px;
    background: linear-gradient(180deg, var(--lds-blue, #125AF8) 0%, var(--lds-navy, #021B50) 100%);
    border-radius: 0 4px 4px 0;
    z-index: 4;
    pointer-events: none;
}

.se-chapter--gray .se-solution {
    box-shadow:
        0 4px 20px rgba(2, 27, 80, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.se-solution:hover {
    transform: translateY(-4px);
    border-color: rgba(18, 90, 248, 0.4);
    box-shadow:
        0 8px 32px rgba(2, 27, 80, 0.12),
        0 0 0 1px rgba(18, 90, 248, 0.1);
}

.se-solution__head {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 28px;
    background: linear-gradient(135deg, var(--lds-surface-cool, #F8FAFF) 0%, var(--lds-white, #ffffff) 100%);
    border-bottom: 1px solid rgba(2, 27, 80, 0.08);
}

.se-solution__logo-card {
    width: 88px;
    height: 88px;
    flex-shrink: 0;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
}

.se-solution__logo-card img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.se-solution__logo-card--icon {
    background: transparent;
    color: var(--lds-navy, #021B50);
}

.se-solution__logo-card--icon svg,
.se-solution__logo-card--icon i[data-lucide] {
    width: 60px;
    height: 60px;
    stroke-width: 1.4;
    stroke: var(--lds-navy, #021B50);
}

.se-solution__head-text {
    flex: 1;
    min-width: 0;
}

.se-solution__name {
    margin: 0 0 4px;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 700;
    font-size: 1.375rem;
    color: var(--lds-navy, #021B50);
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.se-solution__index {
    font-family: Arial, sans-serif;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(2, 27, 80, 0.5);
}

.se-solution__body {
    padding: 24px 28px 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.se-solution__text {
    margin: 0;
    font-family: Arial, sans-serif;
    font-size: 0.9375rem;
    line-height: 1.75;
    color: rgba(21, 30, 40, 0.72);
}

.se-solution__text strong {
    color: var(--lds-navy, #021B50);
    font-weight: 600;
}

.se-solution__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
    padding-top: 4px;
}

.se-solution__tags .tag {
    white-space: nowrap;
}

/* Article mis en avant (Vtiger) */
.se-solution__article {
    display: flex;
    gap: 14px;
    padding: 14px;
    margin-top: 14px;
    background: rgba(18, 90, 248, 0.05);
    border-radius: 14px;
    border: 1px solid rgba(18, 90, 248, 0.12);
    transition: background 0.25s ease;
    text-decoration: none;
    color: inherit;
}

.se-solution__article:hover {
    background: rgba(18, 90, 248, 0.08);
}

.se-solution__article-thumb {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    border-radius: 10px;
    overflow: hidden;
    background: var(--lds-btn-primary-1, #0a3fd0);
}

.se-solution__article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.se-solution__article-label {
    font-family: Arial, sans-serif;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--lds-blue, #125AF8);
    display: block;
    margin-bottom: 4px;
}

.se-solution__article-title {
    margin: 0;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 600;
    font-size: 0.9375rem;
    line-height: 1.3;
    color: var(--lds-navy, #021B50);
}

.se-solution__article-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    font-family: Arial, sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--lds-blue, #125AF8);
}

/* ============================================================
   MARQUEE - Logos defilants
   ============================================================ */

.se-marquee {
    margin-top: 48px;
    padding: 24px 0;
    overflow: hidden;
    border-top: 1px solid rgba(2, 27, 80, 0.12);
    border-bottom: 1px solid rgba(2, 27, 80, 0.12);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.se-marquee__track {
    display: flex;
    gap: 64px;
    width: max-content;
    align-items: center;
    animation: se-marquee 30s linear infinite;
}

.se-marquee__logo {
    height: 48px;
    display: flex;
    align-items: center;
}

.se-marquee__logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
    opacity: 0.8;
    filter: grayscale(0.2);
}

.se-marquee__logo--xl {
    height: 60px;
}

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

/* ============================================================
   STAGE - Mockup laptop centre (section communication)
   ============================================================ */

.se-stage {
    max-width: 1400px;
    margin: 0 auto 80px;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 64px;
    align-items: center;
}

.se-stage__visual {
    position: relative;
    width: 560px;
    max-width: 100%;
}

.se-stage__caption {
    font-family: Arial, sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(2, 27, 80, 0.55);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.se-stage__caption::before {
    content: "";
    width: 36px;
    height: 1px;
    background: rgba(2, 27, 80, 0.35);
}

.se-stage__quote {
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 500;
    font-style: italic;
    font-size: clamp(1.25rem, 2vw, 1.625rem);
    line-height: 1.35;
    letter-spacing: -0.01em;
    color: var(--lds-black, #151E28);
    margin: 0;
    max-width: 520px;
}

/* Laptop mockup */
.se-laptop {
    position: relative;
    width: 100%;
}

.se-laptop__screen {
    position: relative;
    background: var(--lds-gray-dark, #1A1A1A);
    border-radius: 12px 12px 0 0;
    padding: 12px 12px 8px;
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.1), inset 0 0 0 2px #2a2a2a;
}

.se-laptop__screen::before {
    content: "";
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: #333;
    border-radius: 50%;
}

.se-laptop__slider {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: 4px;
    overflow: hidden;
    background: #000;
}

.se-laptop__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.se-laptop__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.se-laptop__slide.is-active {
    opacity: 1;
    z-index: 1;
}

.se-laptop__dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.se-laptop__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all 0.25s ease;
}

.se-laptop__dot.is-active {
    background: var(--lds-white, #ffffff);
    transform: scale(1.2);
}

.se-laptop__badge {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 10;
    padding: 6px 14px;
    background: linear-gradient(135deg, var(--lds-btn-primary-1, #0a3fd0) 0%, var(--lds-btn-primary-2, #1a6aff) 100%);
    color: var(--lds-white, #ffffff);
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(18, 90, 248, 0.5);
}

.se-laptop__base {
    position: relative;
    height: 14px;
    background: linear-gradient(180deg, #c0c0c0 0%, #a0a0a0 50%, #909090 100%);
    border-radius: 0 0 2px 2px;
}

.se-laptop__notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 6px;
    background: linear-gradient(180deg, #888, #999);
    border-radius: 0 0 8px 8px;
}

.se-laptop__bottom {
    height: 8px;
    background: linear-gradient(180deg, #b0b0b0, #d0d0d0);
    border-radius: 0 0 12px 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

/* ============================================================
   REALISATIONS - Grille 2-col card grid
   ============================================================ */

.se-real {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.se-real__head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}

.se-real__kicker {
    display: inline-block;
    font-family: Arial, sans-serif;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--lds-blue, #125AF8);
    padding: 6px 14px;
    border: 1px solid rgba(18, 90, 248, 0.25);
    border-radius: 100px;
    margin-bottom: 18px;
    background: rgba(18, 90, 248, 0.06);
}

.se-real__title {
    margin: 0 0 14px;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 700;
    font-size: clamp(1.5rem, 2.6vw, 2rem);
    letter-spacing: -0.02em;
    line-height: 1.2;
    text-transform: uppercase;
    color: var(--lds-navy, #021B50);
}

.se-real__title span {
    font-style: italic;
}

.se-real__subtitle {
    margin: 0;
    font-family: Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(21, 30, 40, 0.65);
}

.se-real__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.se-real-card {
    background: var(--lds-white, #ffffff);
    border-radius: var(--lds-radius-lg, 24px);
    overflow: hidden;
    border: 1px solid rgba(2, 27, 80, 0.08);
    box-shadow: 0 12px 40px rgba(2, 27, 80, 0.06);
    display: flex;
    flex-direction: column;
    transition: transform 0.35s var(--lds-ease-out, cubic-bezier(0.22, 1, 0.36, 1)), box-shadow 0.35s var(--lds-ease-out, cubic-bezier(0.22, 1, 0.36, 1));
}

.se-real-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 60px rgba(2, 27, 80, 0.14);
}

.se-real-card__media {
    position: relative;
    aspect-ratio: 16/10;
    background: #0a1628;
    overflow: hidden;
}

.se-real-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.se-real-card__media-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(2, 27, 80, 0) 50%, rgba(2, 27, 80, 0.85) 100%);
}

.se-real-card__media-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--lds-navy, #021B50);
    font-family: Arial, sans-serif;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    border-radius: 100px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.se-real-card__body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
}

.se-real-card__name {
    margin: 0;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--lds-navy, #021B50);
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.se-real-card__text {
    margin: 0;
    font-family: Arial, sans-serif;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(21, 30, 40, 0.7);
}

.se-real-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.se-real-card__links {
    display: flex;
    gap: 20px;
    margin-top: auto;
    padding-top: 8px;
    flex-wrap: wrap;
}

.se-real-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: Arial, sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--lds-blue, #125AF8);
    transition: gap 0.25s ease;
    text-decoration: none;
}

.se-real-card__link--ember {
    color: var(--lds-cta, #B82A14);
}

.se-real-card__link:hover {
    gap: 10px;
}

.se-real-card__link svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.se-real__btn {
    display: flex;
    justify-content: center;
    margin-top: 48px;
}

/* ============================================================
   POUR QUI - Intro à gauche + cartes bleues (PME / Collectivités)
   ============================================================ */

.se-pour-qui {
    background: var(--lds-white, #ffffff);
    padding: 100px 2rem;
}

.se-pour-qui__container {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 0.85fr 1.45fr;
    gap: 64px;
    align-items: start;
}

/* --- Intro à gauche --- */
.se-pour-qui__intro {
    position: sticky;
    top: 110px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.se-pour-qui__title {
    margin: 0;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-weight: 700;
    font-size: clamp(1.75rem, 2.8vw, 2.5rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--lds-navy, #021B50);
}

.se-pour-qui__title span {
    font-style: italic;
    color: var(--lds-navy, #021B50);
}

.se-pour-qui__lead {
    margin: 0;
    font-family: Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(21, 30, 40, 0.7);
}

/* --- Cartes bleues à droite --- */
.se-pour-qui__cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.se-pour-qui__card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 36px 40px;
    border-radius: var(--lds-radius-lg, 24px);
    background: linear-gradient(135deg, var(--lds-navy, #021B50) 0%, var(--lds-navy-light, #0A2A6E) 50%, #051D52 100%);
    color: var(--lds-white, #ffffff);
    text-decoration: none;
    border: 1.5px solid transparent;
    background-clip: padding-box;
    box-shadow:
        0 4px 20px rgba(10, 22, 40, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: transform 0.35s var(--lds-ease-out, cubic-bezier(0.22, 1, 0.36, 1)), box-shadow 0.35s var(--lds-ease-out, cubic-bezier(0.22, 1, 0.36, 1)), border-color 0.35s ease;
}

/* Bordure dégradée lumineuse */
.se-pour-qui__card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--lds-radius-lg, 24px);
    padding: 1.5px;
    background: linear-gradient(135deg, rgba(100, 170, 255, 0.2), rgba(18, 90, 248, 0.45), rgba(100, 170, 255, 0.2));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
    z-index: 3;
}

/* Trait blanc accent en haut à gauche */
.se-pour-qui__card::after {
    content: '';
    position: absolute;
    top: 24px;
    left: 0;
    width: 4px;
    height: 60px;
    background: var(--lds-white, #ffffff);
    border-radius: 0 4px 4px 0;
    z-index: 4;
    pointer-events: none;
}

.se-pour-qui__card:hover {
    transform: translateY(-4px);
    border-color: rgba(100, 170, 255, 0.25);
    box-shadow:
        0 12px 40px rgba(10, 22, 40, 0.4),
        0 0 30px rgba(18, 90, 248, 0.18);
}

.se-pour-qui__card-label {
    position: relative;
    z-index: 2;
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-size: clamp(1.25rem, 1.8vw, 1.625rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1.2;
    color: var(--lds-white, #ffffff);
}

.se-pour-qui__card-text {
    position: relative;
    z-index: 2;
    margin: 0;
    font-family: Arial, sans-serif;
    font-size: 0.9375rem;
    line-height: 1.65;
    color: rgba(235, 235, 235, 0.78);
}

.se-pour-qui__card-cta {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    font-family: Arial, sans-serif;
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--lds-white, #ffffff);
    transition: gap 0.25s ease;
}

.se-pour-qui__card-cta svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    transition: transform 0.25s ease;
}

.se-pour-qui__card:hover .se-pour-qui__card-cta {
    gap: 14px;
}

.se-pour-qui__card:hover .se-pour-qui__card-cta svg {
    transform: translateX(4px);
}

/* ============================================================
   CTA FINAL (PRESERVE de l'ancien CSS)
   ============================================================ */

.se-cta-final {
    position: relative;
    background: var(--lds-white, #ffffff);
    padding: 100px 2rem;
    margin: 80px 0;
    overflow: hidden;
}

.se-cta-final--dark {
    background: transparent;
}

.se-cta-final__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.se-cta-final__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.se-cta-final__bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(2, 27, 80, 0.88);
}

.se-cta-final__container {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.se-cta-final__title {
    font-family: var(--lds-font-heading, 'Chillax', Arial, sans-serif);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    text-transform: uppercase;
    margin: 0 0 1.25rem;
    color: var(--lds-navy, #021B50);
}

.se-cta-final--dark .se-cta-final__title {
    color: var(--lds-white, #ffffff);
}

.se-cta-final__text {
    font-family: Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(21, 30, 40, 0.65);
    margin: 0 0 2rem;
}

.se-cta-final--dark .se-cta-final__text {
    color: rgba(255, 255, 255, 0.8);
}

.se-cta-final__actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.se-cta-final__actions .lds-btn svg {
    margin-left: 8px;
}

/* ============================================================
   SUBNAV STICKY (PRESERVE de l'ancien CSS)
   ============================================================ */

.se-subnav {
    position: fixed;
    top: 50%;
    left: 24px;
    transform: translate(-20px, -50%);
    z-index: 90;
    background: transparent;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.3s ease;
}

.se-subnav.is-visible {
    transform: translate(0, -50%);
    opacity: 1;
    pointer-events: auto;
}

.se-subnav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.se-subnav__item {
    margin: 0;
    padding: 0;
}

.se-subnav__link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 6px 0;
    background: transparent;
    border: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    font-family: Arial, sans-serif;
    color: var(--lds-blue, #125AF8);
    text-decoration: none;
    text-align: left;
    width: 100%;
}

.se-subnav__link:focus-visible .se-subnav__dot {
    outline: 2px solid rgba(18, 90, 248, 0.55);
    outline-offset: 3px;
}

.se-subnav__dot {
    display: block;
    width: 12px;
    height: 3px;
    border-radius: 2px;
    background: rgba(18, 90, 248, 0.7);
    flex-shrink: 0;
    transition: width 0.3s cubic-bezier(0.23, 1, 0.32, 1), height 0.3s cubic-bezier(0.23, 1, 0.32, 1), background-color 0.3s ease, box-shadow 0.3s ease;
}

.se-subnav__label {
    position: relative;
    isolation: isolate;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--lds-blue, #125AF8);
    white-space: nowrap;
    padding: 6px 14px;
    background: transparent;
    border-radius: 0;
    opacity: 0;
    transform: translateX(-8px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.se-subnav__label::before {
    content: '';
    position: absolute;
    inset: -2px -14px -2px -14px;
    z-index: -1;
    background: linear-gradient(to right, transparent 0%, rgba(255, 255, 255, 0.85) 30%, rgba(255, 255, 255, 0.85) 70%, transparent 100%);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 999px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 18%, #000 82%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, #000 18%, #000 82%, transparent 100%);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.se-subnav--on-light .se-subnav__label::before {
    background: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.06) 30%, rgba(0, 0, 0, 0.06) 70%, transparent 100%);
    border-color: rgba(0, 0, 0, 0.12);
}

.se-subnav--on-gray .se-subnav__label::before {
    background: linear-gradient(to right, transparent 0%, rgba(255, 255, 255, 0.9) 30%, rgba(255, 255, 255, 0.9) 70%, transparent 100%);
    border-color: rgba(255, 255, 255, 0.5);
}

.se-subnav:hover .se-subnav__label,
.se-subnav:focus-within .se-subnav__label {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.se-subnav__link.is-active .se-subnav__label {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    font-weight: 700;
}

.se-subnav__link:hover .se-subnav__dot {
    background: var(--lds-blue, #125AF8);
    width: 22px;
}

.se-subnav__link.is-active .se-subnav__dot {
    width: 36px;
    height: 4px;
    background: var(--lds-blue, #125AF8);
    box-shadow: 0 0 8px rgba(18, 90, 248, 0.35);
}

/* ============================================================
   SCROLL MARGIN pour ancres avec header sticky
   ============================================================ */

#audit,
#infrastructure,
#communication,
#outils,
#pour-qui,
#cta,
#contact {
    scroll-margin-top: 90px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1200px) {
    .se-chapter {
        padding: 100px 0 80px;
    }

    .se-chapter__head {
        grid-template-columns: 1fr;
        gap: 18px;
        align-items: start;
    }

    .se-chapter__icon {
        display: none;
    }

    .se-chapter__num {
        justify-self: start;
    }

    .se-chapter__intro {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .se-stage {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .se-stage__visual {
        width: 100%;
        max-width: 560px;
        margin: 0 auto;
    }

    .se-cta-final {
        padding: 64px 1.5rem;
        margin: 60px 0;
    }
}

@media (max-width: 1024px) {
    .se-subnav {
        left: 16px;
    }

    .se-subnav__list {
        gap: 14px;
    }

    .se-subnav__label {
        font-size: 0.75rem;
    }

    .se-pour-qui__container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .se-pour-qui__intro {
        position: static;
        top: auto;
        max-width: 680px;
    }
}

@media (max-width: 768px) {
    .se-subnav {
        display: none;
    }

    .se-chapter {
        padding: 80px 0 60px;
    }

    .se-chapter__inner {
        padding: 0 1.25rem;
    }

    .se-feat-list {
        grid-template-columns: 1fr;
    }

    .se-feat:nth-child(odd) {
        border-right: none;
    }

    .se-solutions__grid {
        grid-template-columns: 1fr;
    }

    .se-real__grid {
        grid-template-columns: 1fr;
    }

    .se-pour-qui {
        padding: 80px 1.25rem;
    }

    .se-pour-qui__container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .se-pour-qui__intro {
        position: static;
        top: auto;
    }

    .se-pour-qui__card {
        padding: 32px 28px;
    }

    .se-chapter__banner {
        height: auto;
        aspect-ratio: 4/3;
    }

    .se-cta-final {
        padding: 56px 1.5rem;
        margin: 50px 0;
    }

    .se-solutions,
    .se-real {
        padding: 0 1.25rem;
    }

    .se-chapter__features {
        padding: 0 1.25rem;
    }

    .se-feat {
        padding: 20px;
    }

    .se-chapter__banner {
        width: calc(100% - 2rem);
    }

    .se-pourqui-card__icon {
        top: 24px;
        right: 24px;
        width: 40px;
        height: 40px;
    }

    .se-pourqui-card {
        padding: 32px 28px;
    }

    #audit,
    #infrastructure,
    #communication,
    #outils,
    #pour-qui {
        scroll-margin-top: 70px;
    }
}

@media (max-width: 480px) {
    .se-cta-final {
        padding: 48px 1rem;
        margin: 40px 0;
    }
}