/* ========================================
   RESET & BASE
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Tahoma, Geneva, sans-serif;
    background-color: #000000;
    color: #cccccc;
    line-height: 1.7;
    font-size: 16px;
}

/* ========================================
   TYPOGRAPHIE
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

strong {
    color: #ffffff;
    font-weight: 700;
}

a {
    color: #d13d4b;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.8;
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

.center {
    text-align: center;
}

.separator {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

.separator::after {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background-color: #333333;
}

/* ========================================
   HEADER
   ======================================== */

.header {
    padding: 40px 0 30px;
    text-align: center;
    border-bottom: 3px solid #d13d4b;
}

.logo {
    display: block;
    margin: 0 auto 15px;
    width: 70px;
    height: auto;
}

.header-title {
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin: 0 0 5px 0;
}

.header-title .highlight {
    color: #d13d4b;
}

.header-tagline {
    font-size: 12px;
    color: #888888;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 10px 0 0 0;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    padding: 60px 0;
    text-align: center;
}

.hero-title {
    font-size: 32px;
    font-weight: 700;
    color: #d13d4b;
    margin: 0 0 40px 0;
    line-height: 1.4;
}

.hero-title .white {
    color: #ffffff;
}

.hero-benefits {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 0 auto 40px;
    max-width: 800px;
}

.benefit {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    text-align: left;
}

.benefit-icon {
    color: #d13d4b;
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

.benefit p {
    font-size: 17px;
    color: #ffffff;
    margin: 0;
}

/* ========================================
   BUTTONS / CTA
   ======================================== */

.cta-button {
    display: inline-block;
    background-color: #d13d4b;
    color: #ffffff;
    padding: 18px 40px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 6px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(209, 61, 75, 0.4);
    opacity: 1;
}

.cta-button.large {
    font-size: 18px;
    padding: 22px 50px;
}

/* ========================================
   SECTIONS
   ======================================== */

section {
    padding: 60px 0;
}

.section-title {
    font-size: 26px;
    font-weight: 700;
    color: #d13d4b;
    text-align: center;
    margin: 0 0 20px 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-intro {
    text-align: center;
    font-size: 17px;
    color: #cccccc;
    max-width: 800px;
    margin: 0 auto 40px;
}

/* ========================================
   TARGET SECTION
   ======================================== */

.target-section {
    background-color: #ecf3fb;
}

.target-section .section-title {
    color: #111111;
}

.target-section .section-intro {
    color: #333333;
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.target-card {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #d0dce8;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.target-card h3 {
    font-size: 20px;
    color: #111111;
    margin: 0 0 20px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.target-card ul {
    list-style: none;
    padding: 0;
}

.target-card ul li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #333333;
}

.target-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #d13d4b;
    font-weight: 700;
}

.use-cases {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    margin-top: 30px;
    border-left: 4px solid #d13d4b;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.use-cases h3 {
    font-size: 18px;
    color: #111111;
    margin: 0 0 15px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.use-cases p {
    margin: 0;
    color: #333333;
}

/* ========================================
   INSIGHT SECTION (CONSTAT)
   ======================================== */

.insight-section {
    background-color: #111111;
    padding: 60px 0;
}

.insight-content {
    max-width: 900px;
    margin: 0 auto;
}

.lead {
    font-size: 20px;
    color: #ffffff;
    text-align: center;
    margin: 0 0 40px 0;
    line-height: 1.6;
}

.insight-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.insight-point {
    padding: 25px;
    background-color: #000000;
    border-radius: 8px;
    border: 1px solid #222222;
}

.insight-point h3 {
    font-size: 18px;
    color: #d13d4b;
    margin: 0 0 15px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.insight-point p {
    margin: 0;
    color: #cccccc;
}

.insight-conclusion {
    text-align: center;
    font-size: 19px;
    color: #ffffff;
    margin: 40px 0 0 0;
}

/* ========================================
   VALUE SECTION
   ======================================== */

.value-content {
    max-width: 900px;
    margin: 0 auto;
}

.value-profile {
    text-align: center;
    margin-bottom: 40px;
}

.value-profile-img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #d13d4b;
    margin: 0 auto;
    display: block;
}

.value-text p {
    margin: 0 0 25px 0;
    font-size: 16px;
}

.value-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.value-highlight {
    text-align: center;
    padding: 25px;
    background-color: #111111;
    border-radius: 8px;
    border: 1px solid #222222;
}

.highlight-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #d13d4b;
    margin: 0 0 10px 0;
}

.value-highlight p {
    margin: 0;
    font-size: 14px;
    color: #cccccc;
}

.value-promise {
    text-align: center;
    font-size: 19px;
    color: #ffffff;
    margin: 40px 0 0 0;
    padding: 30px;
    background-color: #111111;
    border-radius: 8px;
    border-left: 4px solid #d13d4b;
}

/* ========================================
   SKILLS SECTION
   ======================================== */

.skills-section {
    background-color: #ecf3fb;
}

.skills-section .section-title {
    color: #111111;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.skill-card {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #d0dce8;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(209, 61, 75, 0.2);
}

.skill-icon {
    font-size: 48px;
    margin: 0 0 20px 0;
    display: none;
}

.skill-card h3 {
    font-size: 18px;
    color: #111111;
    margin: 0 0 15px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skill-card p {
    margin: 0;
    color: #333333;
    font-size: 15px;
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    padding: 50px 0;
    background-color: #111111;
}

.cta-text {
    font-size: 22px;
    color: #ffffff;
    margin: 0 0 25px 0;
    font-weight: 700;
}

/* ========================================
   PROCESS SECTION
   ======================================== */

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.process-step {
    background-color: #111111;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #222222;
    position: relative;
    padding-top: 70px;
}

.step-number {
    position: absolute;
    top: 20px;
    left: 30px;
    width: 50px;
    height: 50px;
    background-color: #d13d4b;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
}

.process-step h3 {
    font-size: 18px;
    color: #ffffff;
    margin: 0 0 15px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.process-step p {
    margin: 0;
    color: #cccccc;
}

.process-note {
    background-color: #111111;
    padding: 25px;
    border-radius: 8px;
    border-left: 4px solid #d13d4b;
    margin-top: 30px;
}

.process-note p {
    margin: 0;
    color: #cccccc;
}

/* ========================================
   VIDEOS SECTION
   ======================================== */

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.video-card {
    background-color: #111111;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #222222;
    transition: transform 0.3s ease;
}

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

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* Ratio 16:9 */
    height: 0;
    overflow: hidden;
    background-color: #000000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-info {
    padding: 20px;
}

.video-info h3 {
    font-size: 16px;
    color: #ffffff;
    margin: 0 0 10px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.video-info p {
    margin: 0;
    color: #cccccc;
    font-size: 14px;
}

.videos-note {
    text-align: center;
    font-style: italic;
    color: #888888;
    margin-top: 30px;
}

/* ========================================
   REFERENCES SECTION
   ======================================== */

.references-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.reference-logo {
    height: 70px;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.7);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.reference-logo:hover {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.05);
}

.reference-text-list {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.reference-text-item {
    font-size: 15px;
    color: #888888;
    padding: 10px 20px;
    background-color: #111111;
    border-radius: 6px;
    border: 1px solid #222222;
}

/* ========================================
   FAQ SECTION
   ======================================== */

.faq-list {
    max-width: 900px;
    margin: 40px auto 0;
}

.faq-item {
    background-color: #111111;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #222222;
    border-left: 4px solid #d13d4b;
}

.faq-item h3 {
    font-size: 18px;
    color: #ffffff;
    margin: 0 0 15px 0;
}

.faq-item p {
    margin: 0;
    color: #cccccc;
    line-height: 1.7;
}

/* ========================================
   CTA FINAL
   ======================================== */

.cta-final {
    padding: 80px 0;
    background-color: #111111;
}

.cta-final-title {
    font-size: 32px;
    font-weight: 700;
    color: #d13d4b;
    margin: 0 0 20px 0;
    line-height: 1.3;
}

.cta-final-text {
    font-size: 18px;
    color: #cccccc;
    max-width: 700px;
    margin: 0 auto 35px;
}

.cta-final-note {
    margin-top: 20px;
    font-size: 14px;
    color: #888888;
    font-style: italic;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    padding: 40px 0;
    background-color: #111111;
    border-top: 1px solid #333333;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.social-links a {
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.1);
}

.footer-info {
    text-align: center;
    margin-bottom: 30px;
}

.footer-name {
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 10px 0;
}

.footer-address,
.footer-contact {
    font-size: 14px;
    color: #888888;
    margin: 5px 0;
}

.footer-legal {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333333;
}

.footer-legal p {
    font-size: 13px;
    color: #666666;
    margin: 5px 0;
}

.footer-links {
    margin-top: 10px;
}

.footer-links a {
    color: #888888;
    text-decoration: underline;
}

.footer-links a:hover {
    color: #d13d4b;
}

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

/* Tablette */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 26px;
    }

    .section-title {
        font-size: 22px;
    }

    .lead {
        font-size: 18px;
    }

    .target-grid,
    .insight-points,
    .value-highlights,
    .skills-grid,
    .process-steps,
    .videos-grid,
    .references-list {
        grid-template-columns: 1fr;
    }

    .hero-benefits {
        gap: 15px;
    }

    .benefit {
        flex-direction: row;
    }
}

/* Mobile */
@media (max-width: 480px) {
    body {
        font-size: 15px;
    }

    .header-title {
        font-size: 24px;
        letter-spacing: 2px;
    }

    .header-tagline {
        font-size: 11px;
    }

    .hero {
        padding: 40px 0;
    }

    .hero-title {
        font-size: 22px;
    }

    .benefit p {
        font-size: 15px;
    }

    .cta-button {
        padding: 16px 30px;
        font-size: 15px;
        width: 100%;
    }

    .cta-button.large {
        font-size: 16px;
        padding: 18px 30px;
    }

    section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 20px;
    }

    .target-card,
    .skill-card,
    .process-step,
    .faq-item {
        padding: 20px;
    }

    .cta-final-title {
        font-size: 24px;
    }

    .cta-final-text {
        font-size: 16px;
    }
}