/* =========================================
   HERO
========================================= */

.regularite-hero {
    background: #f7f7f7;
    border-bottom: 1px solid #eeeeee;
}

.regularite-hero-inner {
    max-width: 900px;
    margin: 0 auto;

    text-align: center;

    padding: 75px 25px 70px;
}

.page-number {
    color: #ff7900;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 12px;
}

.regularite-hero h1 {
    margin: 0;

    font-size: 42px;
    font-weight: 800;
}

.orange-line {
    width: 55px;
    height: 3px;

    background: #ff7900;

    margin: 22px auto;
}

.hero-baseline {
    font-size: 20px;
    font-weight: 600;

    margin-bottom: 20px;
}

.hero-text {
    max-width: 650px;
    margin: 0 auto;

    font-size: 16px;
    line-height: 1.7;
}


/* =========================================
   STRUCTURE
========================================= */

.content-section {
    padding: 75px 0;
}

.content-container {
    max-width: 900px;
    margin: 0 auto;

    padding-left: 25px;
    padding-right: 25px;
}


/* =========================================
   TITRES
========================================= */

.section-heading {
    margin-bottom: 40px;
}

.section-heading.light {
    color: #ffffff;
}

.section-label {
    display: block;

    color: #ff7900;

    font-size: 12px;
    font-weight: 800;

    letter-spacing: 0.5px;

    margin-bottom: 8px;
}

.section-heading h2 {
    margin: 0 0 12px;

    font-size: 32px;
}

.section-heading p {
    max-width: 700px;

    margin: 0;

    line-height: 1.7;
}


/* =========================================
   TEXTE
========================================= */

.content-container > p {
    max-width: 750px;

    margin: 0 auto 18px;

    line-height: 1.75;
}

.large-text {
    font-size: 19px;
    font-weight: 600;
}


/* =========================================
   MESSAGE CENTRAL
========================================= */

.key-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;

    margin-top: 40px;

    padding: 25px;

    background: #171717;

    color: #ffffff;
}

.key-message strong {
    color: #ffffff;

    font-size: 17px;
}

.key-message strong:last-child {
    color: #ff7900;
}

.key-message span {
    color: #ff7900;

    font-size: 20px;
}


/* =========================================
   PIÈGE
========================================= */

.zigzag-section {
    padding: 75px 0;

    background: #f7f7f7;
}

.zigzag-grid {
    display: grid;

    grid-template-columns: 1fr 40px 1fr 40px 1fr;

    align-items: center;

    gap: 10px;
}

.zigzag-card {
    min-height: 210px;

    padding: 28px;

    background: #ffffff;

    border-top: 4px solid #ff7900;
}

.card-number {
    color: #ff7900;

    font-size: 12px;
    font-weight: 800;
}

.zigzag-card h3 {
    margin: 14px 0;

    font-size: 20px;
}

.zigzag-card p {
    margin: 0;

    line-height: 1.65;
}

.zigzag-arrow {
    color: #ff7900;

    font-size: 24px;

    text-align: center;
}

.warning-box {
    margin-top: 35px;

    padding: 25px;

    border-left: 4px solid #ff7900;

    background: #ffffff;
}

.warning-box strong {
    display: block;

    font-size: 18px;

    margin-bottom: 8px;
}

.warning-box p {
    margin: 0;

    line-height: 1.6;
}


/* =========================================
   EFFETS
========================================= */

.effects-section {
    padding: 75px 0;

    background: #171717;
}

.effects-grid {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 18px;
}

.effect-card {
    padding: 25px;

    border: 1px solid #444444;

    color: #ffffff;
}

.effect-card > span {
    color: #ff7900;

    font-size: 12px;
    font-weight: 800;
}

.effect-card h3 {
    margin: 14px 0;

    font-size: 18px;
}

.effect-card p {
    margin: 0;

    line-height: 1.6;
}


/* =========================================
   PROGRÈS
========================================= */

.progress-section {
    padding: 80px 0;

    background: #ffffff;
}

.progress-content {
    max-width: 750px;
}

.progress-content h2 {
    margin: 0 0 25px;

    font-size: 35px;
}

.progress-content p {
    line-height: 1.75;

    font-size: 17px;
}

.progress-highlight {
    margin-top: 30px;

    padding: 25px;

    border-left: 4px solid #ff7900;

    background: #f7f7f7;
}

.progress-highlight strong {
    display: block;

    font-size: 19px;
}

.progress-highlight span {
    display: block;

    margin-top: 8px;

    color: #ff7900;

    font-weight: 700;
}


/* =========================================
   CITATION
========================================= */

.quote-section {
    padding: 80px 0;

    background: #f7f7f7;

    text-align: center;
}

.quote-line {
    width: 45px;
    height: 3px;

    background: #ff7900;

    margin: 0 auto 30px;
}

.quote-section blockquote {
    max-width: 750px;

    margin: 0 auto 12px;

    font-size: 28px;
    font-weight: 700;

    line-height: 1.35;
}

.quote-section strong {
    display: block;

    color: #ff7900;

    font-size: 22px;
}


/* =========================================
   TRANSITION
========================================= */

.transition-box {
    max-width: 750px;

    padding: 30px;

    border-left: 4px solid #ff7900;

    background: #f7f7f7;
}

.transition-box h2 {
    margin: 0 0 22px;

    font-size: 27px;
}

.transition-box p {
    line-height: 1.7;
}

.transition-box strong {
    display: block;

    margin-top: 20px;

    color: #ff7900;

    font-size: 18px;
}


/* =========================================
   NAVIGATION
========================================= */

.page-navigation {
    border-top: 1px solid #eeeeee;

    padding: 30px 0;
}

.page-navigation .content-container {
    display: flex;

    justify-content: space-between;
    align-items: center;
}

.back-link,
.next-link {
    text-decoration: none;

    font-size: 13px;
    font-weight: 700;
}

.back-link {
    color: #222;
}

.next-link {
    color: #ff7900;
}

.back-link:hover,
.next-link:hover {
    text-decoration: underline;
}


/* =========================================
   RESPONSIVE
========================================= */

@media (max-width: 900px) {

    .main-nav {
        display: none;
    }

    .effects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .zigzag-grid {
        grid-template-columns: 1fr;
    }

    .zigzag-arrow {
        transform: rotate(90deg);
    }
}


@media (max-width: 650px) {

    .regularite-hero h1 {
        font-size: 30px;
    }

    .hero-baseline {
        font-size: 17px;
    }

    .content-section,
    .zigzag-section,
    .effects-section,
    .progress-section,
    .quote-section {
        padding: 55px 0;
    }

    .key-message {
        flex-direction: column;
        gap: 8px;
    }

    .key-message span {
        transform: rotate(90deg);
    }

    .effects-grid {
        grid-template-columns: 1fr;
    }

    .quote-section blockquote {
        font-size: 23px;
    }

    .page-navigation .content-container {
        flex-direction: column;
        gap: 20px;
    }
}