/*
 * GPX → MP4
 * Styles spécifiques aux pages SEO.
 *
 * Le fichier reprend les variables et l'esprit de app.css
 * sans modifier le design de la page d'accueil.
 */

.seo-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
    gap: clamp(40px, 7vw, 100px);
    align-items: center;
    padding: clamp(55px, 8vw, 105px) 0 70px;
}

.seo-hero-copy {
    max-width: 760px;
}

.seo-hero h1 {
    margin: 0;
    font-size: clamp(3.4rem, 7vw, 6.8rem);
    line-height: .92;
    letter-spacing: -.055em;
}

.seo-hero h1 em {
    font-style: normal;
    font-weight: 400;
}

.seo-intro {
    max-width: 650px;
    margin: 32px 0 0;
    font-size: clamp(1.05rem, 1.7vw, 1.3rem);
    line-height: 1.65;
}

.seo-cta {
    display: inline-flex;
    align-items: center;
    gap: 22px;
    margin-top: 32px;
    text-decoration: none;
}

.seo-hero-card {
    padding: 30px;
    border: 1px solid rgba(16, 34, 53, .12);
    border-radius: 22px;
    background: rgba(255, 255, 255, .72);
    box-shadow: 0 20px 60px rgba(16, 34, 53, .08);
}

.seo-card-kicker {
    margin-bottom: 22px;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .14em;
}

.seo-step {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 16px;
    padding: 20px 0;
    border-top: 1px solid rgba(16, 34, 53, .10);
}

.seo-step:first-of-type {
    border-top: 0;
}

.seo-step > span {
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .08em;
    opacity: .55;
}

.seo-step strong {
    display: block;
    margin-bottom: 6px;
}

.seo-step p {
    margin: 0;
    line-height: 1.55;
    opacity: .72;
}

.seo-content {
    max-width: 1050px;
    margin: 0 auto;
}

.seo-section {
    padding: 82px 0;
    border-top: 1px solid rgba(16, 34, 53, .10);
}

.seo-section h2,
.seo-final-cta h2 {
    max-width: 820px;
    margin: 0 0 28px;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.02;
    letter-spacing: -.035em;
}

.seo-section > p:not(.kicker) {
    max-width: 820px;
    font-size: 1.08rem;
    line-height: 1.8;
}

.seo-highlight {
    display: grid;
    grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr);
    gap: 60px;
    padding-left: clamp(20px, 5vw, 70px);
    padding-right: clamp(20px, 5vw, 70px);
    border: 0;
    border-radius: 28px;
    background: rgba(16, 34, 53, .045);
}

.seo-feature-grid {
    display: grid;
    gap: 0;
}

.seo-feature-grid > div {
    padding: 22px 0;
    border-bottom: 1px solid rgba(16, 34, 53, .10);
}

.seo-feature-grid > div:last-child {
    border-bottom: 0;
}

.seo-feature-grid strong {
    display: block;
    margin-bottom: 7px;
    font-size: 1.05rem;
}

.seo-feature-grid p {
    margin: 0;
    line-height: 1.65;
    opacity: .72;
}

.seo-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 42px;
    border-top: 1px solid rgba(16, 34, 53, .12);
    border-bottom: 1px solid rgba(16, 34, 53, .12);
}

.seo-options > div {
    display: flex;
    flex-direction: column;
    gap: 7px;
    padding: 28px 22px;
    border-right: 1px solid rgba(16, 34, 53, .10);
}

.seo-options > div:last-child {
    border-right: 0;
}

.seo-option-value {
    font-weight: 700;
    font-size: 1.15rem;
}

.seo-options span:last-child {
    font-size: .9rem;
    opacity: .65;
}

.seo-list {
    max-width: 850px;
    margin: 34px 0 0;
    padding-left: 1.35rem;
}

.seo-list li {
    padding: 0 0 22px 10px;
    line-height: 1.7;
}

.seo-list strong {
    font-weight: 700;
}

.seo-faq details {
    border-top: 1px solid rgba(16, 34, 53, .12);
}

.seo-faq details:last-child {
    border-bottom: 1px solid rgba(16, 34, 53, .12);
}

.seo-faq summary {
    cursor: pointer;
    list-style: none;
    padding: 23px 0;
    font-weight: 700;
}

.seo-faq summary::-webkit-details-marker {
    display: none;
}

.seo-faq summary::after {
    content: '+';
    float: right;
    font-size: 1.25rem;
    font-weight: 400;
    opacity: .6;
}

.seo-faq details[open] summary::after {
    content: '−';
}

.seo-faq details p {
    max-width: 800px;
    margin: -4px 0 24px;
    line-height: 1.7;
    opacity: .72;
}

.seo-final-cta {
    margin: 30px 0 80px;
    padding: clamp(38px, 6vw, 70px);
    text-align: center;
    border-radius: 28px;
    background: rgba(16, 34, 53, .045);
}

.seo-final-cta h2 {
    margin-left: auto;
    margin-right: auto;
}

.seo-final-cta p:not(.kicker) {
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
    opacity: .72;
}

.seo-final-cta .seo-cta {
    margin-top: 25px;
}

/* =========================================================
   LIEN VERS L'OUTIL GPXtoMAP
   ========================================================= */

.seo-tool-link {
    padding-left: clamp(20px, 5vw, 70px);
    padding-right: clamp(20px, 5vw, 70px);
    border: 0;
    border-radius: 28px;
    background: rgba(16, 34, 53, .045);
}

.seo-tool-link .seo-cta {
    margin-top: 8px;
}

@media (max-width: 850px) {
    .seo-hero,
    .seo-highlight {
        grid-template-columns: 1fr;
    }

    .seo-hero {
        padding-top: 48px;
    }

    .seo-options {
        grid-template-columns: repeat(2, 1fr);
    }

    .seo-options > div:nth-child(2) {
        border-right: 0;
    }

    .seo-options > div:nth-child(-n+2) {
        border-bottom: 1px solid rgba(16, 34, 53, .10);
    }
}

@media (max-width: 560px) {
    .seo-hero h1 {
        font-size: clamp(2.8rem, 14vw, 4.2rem);
    }

    .seo-hero-card {
        padding: 24px;
    }

    .seo-section {
        padding: 58px 0;
    }

    .seo-options {
        grid-template-columns: 1fr;
    }

    .seo-options > div,
    .seo-options > div:nth-child(2) {
        border-right: 0;
        border-bottom: 1px solid rgba(16, 34, 53, .10);
    }

    .seo-options > div:last-child {
        border-bottom: 0;
    }

    .seo-final-cta {
        margin-bottom: 55px;
    }
}


/* SEO image */
.seo-image {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding: 0 1.5rem;
}

.seo-image img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 18px;
}

.seo-image figcaption {
    margin-top: .65rem;
    font-size: .9rem;
    opacity: .68;
}