/*
 * Guerledan : la rive et son itineraire.
 *
 * Le trait de cote traverse la page sous le masthead, le recit tient la pleine
 * mesure, et les etapes descendent le long d un rail date. Aucune grille de
 * cartes egales, aucun degrade, aucun faux tableau de bord.
 */

.dn-rive {
    --dn-rive-gutter: clamp(20px, 5vw, 56px);
    background: var(--dn-paper);
    color: var(--dn-ink);
}

.dn-rive .dn-shell {
    width: min(1160px, 100% - (var(--dn-rive-gutter) * 2));
    margin-inline: auto;
}

/* Masthead et trait de cote. */
.dn-rive-mast {
    padding-block-start: clamp(30px, 5vw, 60px);
}

.dn-rive-mast__inner {
    display: grid;
    gap: 16px;
    padding-block-end: clamp(26px, 4vw, 46px);
}

.dn-rive-mast__edition {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px 18px;
    margin: 0;
    font-size: 0.76rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--dn-muted);
}

.dn-rive-mast__edition b {
    color: var(--dn-accent-2);
}

.dn-rive-mast h1 {
    margin: 0;
    font-family: var(--dn-display);
    font-size: clamp(2.2rem, 6vw, 4.2rem);
    line-height: 1.02;
    letter-spacing: -0.03em;
}

.dn-rive-mast__lede {
    max-width: 64ch;
    margin: 0;
    font-size: clamp(1rem, 1.6vw, 1.16rem);
    line-height: 1.62;
    color: var(--dn-muted);
}

.dn-rive-mast__promesses {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 10px;
    margin: 6px 0 0;
    padding: 0;
    list-style: none;
}

.dn-rive-mast__promesses li {
    padding: 5px 12px;
    border: 1px solid var(--dn-line);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* Le trait de cote : une seule ligne, jamais une image. */
.dn-rive-trait {
    height: 10px;
    background:
        linear-gradient(to right, var(--dn-accent) 0 34%, var(--dn-accent-2) 34% 62%, var(--dn-ink) 62% 100%);
}

/* En-tetes de section. */
.dn-rive-head {
    max-width: 64ch;
    margin-block-end: 26px;
}

.dn-rive-eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-block-end: 10px;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--dn-muted);
}

.dn-rive-eyebrow span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--dn-accent);
    color: var(--dn-ink);
    letter-spacing: 0.02em;
}

.dn-rive-head h2 {
    margin: 0;
    font-family: var(--dn-display);
    font-size: clamp(1.6rem, 3.4vw, 2.4rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.dn-rive-head__note {
    margin-block-start: 12px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--dn-muted);
}

/* Le recit en pleine mesure. */
.dn-rive-recit {
    padding-block: clamp(34px, 5vw, 60px);
}

.dn-rive-recit__body {
    display: grid;
    gap: 22px;
}

.dn-rive-recit__media img,
.dn-rive-recit__media .dn-cover {
    display: block;
    width: 100%;
    height: clamp(220px, 34vw, 420px);
    object-fit: cover;
}

.dn-rive-recit__copy {
    display: grid;
    gap: 12px;
    max-width: 74ch;
}

.dn-rive-recit__copy h3 {
    margin: 0;
    font-family: var(--dn-display);
    font-size: clamp(1.5rem, 3.6vw, 2.6rem);
    line-height: 1.08;
    letter-spacing: -0.025em;
}

.dn-rive-recit__copy h3 a,
.dn-rive-repere h3 a,
.dn-rive-ligne h3 a {
    color: inherit;
    text-decoration: none;
}

.dn-rive-recit__copy h3 a:hover,
.dn-rive-recit__copy h3 a:focus-visible,
.dn-rive-repere h3 a:hover,
.dn-rive-repere h3 a:focus-visible,
.dn-rive-ligne h3 a:hover,
.dn-rive-ligne h3 a:focus-visible {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.dn-rive-recit__chapo {
    margin: 0;
    font-size: 1.04rem;
    line-height: 1.64;
    color: var(--dn-muted);
}

.dn-rive .dn-category {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--dn-accent-2);
    text-decoration: none;
}

.dn-rive .dn-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    color: var(--dn-muted);
}

.dn-rive .dn-meta a {
    color: var(--dn-accent-2);
    font-weight: 700;
}

.dn-rive-reperes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: clamp(18px, 3vw, 32px);
    margin-block-start: 10px;
    padding-block-start: 24px;
    border-block-start: 1px solid var(--dn-line);
}

/* L itineraire : le rail date, signature du media. */
.dn-rive-itineraire {
    padding-block: clamp(34px, 5vw, 62px);
    background: var(--dn-paper-soft);
}

.dn-rive-etapes {
    display: grid;
    margin: 0;
    padding: 0;
    list-style: none;
    border-inline-start: 3px solid var(--dn-accent);
}

.dn-rive-etape > a {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: baseline;
    gap: 8px 20px;
    padding: 18px 0 18px clamp(20px, 3vw, 34px);
    color: inherit;
    text-decoration: none;
    border-block-end: 1px solid var(--dn-line);
}

.dn-rive-etape > a::before {
    content: "";
    position: absolute;
    inset-inline-start: calc(clamp(20px, 3vw, 34px) * -1 - 3px);
    inset-block-start: 24px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--dn-accent);
    transform: translateX(-5px);
}

.dn-rive-etape.is-dormant > a::before {
    background: var(--dn-paper);
    border: 3px solid var(--dn-accent-2);
}

.dn-rive-etape__number {
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--dn-accent-2);
}

.dn-rive-etape strong {
    font-family: var(--dn-display);
    font-size: clamp(1.1rem, 2.4vw, 1.5rem);
}

.dn-rive-etape small {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dn-muted);
}

.dn-rive-etape.is-dormant strong {
    color: var(--dn-muted);
}

.dn-rive-etape.is-dormant small {
    color: var(--dn-accent-2);
    font-weight: 700;
}

.dn-rive-etape i {
    font-style: normal;
}

/* Le carnet. */
.dn-rive-carnet {
    padding-block: clamp(34px, 5vw, 62px);
}

.dn-rive-carnet__list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(20px, 3vw, 34px);
}

.dn-rive-repere {
    display: grid;
    gap: 12px;
}

.dn-rive-repere__media img,
.dn-rive-repere__media .dn-cover {
    display: block;
    width: 100%;
    height: clamp(150px, 18vw, 190px);
    object-fit: cover;
}

.dn-rive-repere__body {
    display: grid;
    gap: 7px;
    padding-inline-start: 14px;
    border-inline-start: 2px solid var(--dn-line);
}

.dn-rive-repere__number {
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--dn-accent);
}

.dn-rive-repere h3 {
    margin: 0;
    font-family: var(--dn-display);
    font-size: 1.14rem;
    line-height: 1.26;
}

.dn-rive-repere time,
.dn-rive-ligne time {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--dn-muted);
}

/* Le registre. */
.dn-rive-registre {
    padding-block: clamp(30px, 5vw, 56px);
}

.dn-rive-registre__list {
    display: grid;
    border-block-start: 3px solid var(--dn-ink);
}

.dn-rive-ligne {
    display: grid;
    grid-template-columns: minmax(110px, 150px) 1fr;
    gap: 8px 24px;
    padding-block: 16px;
    border-block-end: 1px solid var(--dn-line);
}

.dn-rive-ligne > div {
    display: grid;
    gap: 6px;
}

.dn-rive-ligne h3 {
    margin: 0;
    font-family: var(--dn-display);
    font-size: 1.08rem;
    line-height: 1.3;
}

@media (max-width: 860px) {
    .dn-rive-etape > a {
        grid-template-columns: auto 1fr;
    }

    .dn-rive-etape i {
        display: none;
    }
}

@media (max-width: 640px) {
    .dn-rive-ligne {
        grid-template-columns: 1fr;
    }

    .dn-rive-recit__media img,
    .dn-rive-recit__media .dn-cover {
        height: 240px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .dn-rive * {
        transition: none !important;
    }
}