/* La Frontière d'Or — DA institutionnelle (métaux précieux / marchés) */

:root {
    --navy-950: #040a12;
    --navy-900: #0a1628;
    --navy-800: #0f2240;
    --navy-700: #163560;
    --navy-600: #1e4a7a;
    --accent: #1a6fd4;
    --accent-hover: #1256a8;
    --accent-soft: #e8f2fc;
    --page: #eef1f6;
    --panel: #ffffff;
    --panel-2: #f7f9fc;
    --border: #d4dce8;
    --border-dark: #2a4060;
    --text: #141c28;
    --muted: #5c6b7f;
    --muted-light: #8b98a8;
    --up: #00875a;
    --up-bg: #e6f5ef;
    --down: #d92d20;
    --down-bg: #fdeeed;
    --gold: #b8860b;
    --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    --mono: "IBM Plex Mono", "Consolas", monospace;
    --pad: clamp(16px, 4vw, 48px);
    --radius: 4px;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--page);
    color: var(--text);
    font-family: var(--sans);
    font-size: 0.9375rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

img { display: block; max-width: 100%; }

h1, h2, h3 {
    font-family: var(--sans);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

/* ── HEADER INSTITUTIONNEL ── */

.entete {
    background: var(--navy-900);
    border-bottom: 1px solid var(--border-dark);
}

.entete-haut {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.marque {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    text-decoration: none;
    color: #fff;
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.marque em, .marque span.accent {
    color: var(--gold);
    font-style: normal;
    font-weight: 600;
}

.devise {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted-light);
    padding: 4px 10px;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.04);
}

.navigation {
    background: var(--navy-950);
    border-top: 1px solid var(--border-dark);
}

.navigation ul {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--pad);
    list-style: none;
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.navigation ul::-webkit-scrollbar { display: none; }

.navigation a {
    display: block;
    padding: 11px 16px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    color: #8fa3b8;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.navigation a:hover {
    color: #fff;
    background: rgba(255,255,255,0.04);
    text-decoration: none;
}

.navigation a[aria-current="page"] {
    color: #fff;
    border-bottom-color: var(--accent);
    background: rgba(26,111,212,0.12);
}

/* ── TICKER MARCHÉ ── */

.cours-ticker {
    background: var(--navy-950);
    border-bottom: 1px solid var(--border-dark);
}

.cours-ticker-bar {
    display: flex;
    align-items: stretch;
    min-height: 36px;
}

.cours-ticker-badge {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--navy-950);
    background: var(--up);
}

.cours-ticker-viewport {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    mask-image: linear-gradient(90deg, transparent, #000 2%, #000 98%, transparent);
}

.cours-ticker-track {
    display: flex;
    align-items: center;
    gap: clamp(24px, 4vw, 48px);
    width: max-content;
    padding: 0 16px;
    animation: ticker-scroll 38s linear infinite;
}

.cours-ticker-track.is-loading { opacity: 0.45; animation-play-state: paused; }
.cours-ticker-viewport:hover .cours-ticker-track { animation-play-state: paused; }

.cours-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
    white-space: nowrap;
}

.cours-label {
    color: #6a8098;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.6rem;
}

.cours-item strong {
    color: #e8eef4;
    font-family: var(--mono);
    font-weight: 500;
    font-size: 0.78rem;
}

.cours-var { font-family: var(--mono); font-size: 0.65rem; font-weight: 600; }
.cours-var.hausse { color: #3dd68c; }
.cours-var.baisse { color: #ff6b6b; }

.cours-sep { color: var(--navy-600); font-size: 0.4rem; }

.cours-erreur { color: #8fa3b8; font-size: 0.68rem; }
.cours-erreur a { color: var(--accent-soft); }

.cours-ticker-maj {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-family: var(--mono);
    font-size: 0.58rem;
    color: #6a8098;
    border-left: 1px solid var(--border-dark);
    background: var(--navy-950);
}

@keyframes ticker-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-100% / var(--ticker-copies, 2))); }
}

/* ── TABLEAU DE BORD (home) ── */

.marche-bandeau {
    background: var(--navy-800);
    border-bottom: 1px solid var(--border-dark);
    padding: 20px var(--pad);
}

.marche-bandeau-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.marche-bandeau h2 {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #8fa3b8;
    margin-bottom: 14px;
}

.marche-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1px;
    background: var(--border-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    overflow: hidden;
}

.marche-cell {
    background: var(--navy-900);
    padding: 14px 16px;
}

.marche-cell .lbl {
    display: block;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #6a8098;
    margin-bottom: 6px;
}

.marche-cell .val {
    display: block;
    font-family: var(--mono);
    font-size: 1.15rem;
    font-weight: 500;
    color: #fff;
    letter-spacing: -0.02em;
}

.marche-cell .var {
    display: block;
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 600;
    margin-top: 4px;
}

.marche-cell .var.up { color: #3dd68c; }
.marche-cell .var.down { color: #ff6b6b; }
.marche-cell .var.neut { color: #6a8098; }

/* ── HERO ── */

.hero {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: clamp(32px, 5vw, 56px) var(--pad);
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(28px, 5vw, 48px);
    align-items: center;
}

@media (max-width: 860px) { .hero-inner { grid-template-columns: 1fr; } }

.hero .surtitre {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.hero h1 {
    font-size: clamp(1.6rem, 4vw, 2.35rem);
    color: var(--navy-900);
    margin-bottom: 14px;
}

.hero p { color: var(--muted); font-size: 0.95rem; max-width: 480px; }

.hero-actions { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 10px; }

.hero-visuel img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

/* ── SECTIONS ── */

.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(32px, 5vw, 56px) var(--pad);
}

.section-titre {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--navy-900);
}

.section-titre h2 {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--navy-900);
}

.section-titre span {
    font-family: var(--mono);
    font-size: 0.62rem;
    color: var(--muted);
    letter-spacing: 0.04em;
}

.grille {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
}

/* cartes type flux d'actualités marché */
.carte {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.carte:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(10,22,40,0.08);
    text-decoration: none;
}

.carte-visuel img {
    width: 100%;
    aspect-ratio: 16/7;
    object-fit: cover;
    border-bottom: 1px solid var(--border);
    filter: saturate(0.85) contrast(1.05);
}

.carte-corps { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; gap: 8px; }

.carte .rubrique {
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
}

.carte h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--navy-900);
    line-height: 1.35;
}

.carte p { font-size: 0.82rem; color: var(--muted); line-height: 1.55; }

.carte .lire {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-top: auto;
}

/* ── BOUTONS ── */

.bouton {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    color: #fff;
    background: var(--accent);
    padding: 12px 22px;
    border-radius: var(--radius);
    border: none;
    transition: background 0.2s;
}

.bouton:hover { background: var(--accent-hover); color: #fff; text-decoration: none; }

.bouton-ligne {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--navy-900);
    background: transparent;
    padding: 11px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.bouton-ligne:hover { border-color: var(--navy-900); background: var(--panel-2); text-decoration: none; }

/* ── ENCADRÉS ── */

.encadre {
    background: var(--panel);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    padding: clamp(18px, 3vw, 28px);
    margin: 24px 0;
}

.encadre-titre {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}

.encadre h3 { font-size: 1rem; margin-bottom: 10px; color: var(--navy-900); }
.encadre p { font-size: 0.88rem; color: var(--muted); margin-bottom: 10px; }
.encadre p:last-child { margin-bottom: 0; }

/* ── ARTICLES ── */

.fil-ariane {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px var(--pad) 0;
    font-size: 0.72rem;
    color: var(--muted);
}

.fil-ariane a { color: var(--accent); font-weight: 500; }

.article-entete {
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(24px, 4vw, 40px) var(--pad) 0;
}

.article-panel {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--pad) clamp(40px, 6vw, 64px);
}

.article-panel-inner {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.article-entete .rubrique {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
}

.article-entete h1 {
    font-size: clamp(1.5rem, 4vw, 2.1rem);
    color: var(--navy-900);
    margin-bottom: 12px;
}

.article-entete .chapo {
    color: var(--muted);
    font-size: 1rem;
    font-weight: 400;
    max-width: 680px;
}

.article-entete .meta {
    font-family: var(--mono);
    font-size: 0.62rem;
    color: var(--muted-light);
    margin-top: 14px;
    letter-spacing: 0.04em;
}

.article-visuel {
    border-bottom: 1px solid var(--border);
}

.article-visuel img {
    width: 100%;
    aspect-ratio: 21/9;
    object-fit: cover;
    filter: saturate(0.9);
}

.article-visuel figcaption {
    padding: 10px 24px;
    font-size: 0.68rem;
    color: var(--muted);
    background: var(--panel-2);
    border-top: 1px solid var(--border);
}

.article-corps {
    padding: clamp(24px, 4vw, 40px) clamp(20px, 4vw, 36px);
    max-width: 720px;
}

.article-corps p { margin-bottom: 18px; color: var(--text); font-size: 0.94rem; }

.article-corps h2 {
    font-size: 1.05rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--navy-900);
    margin: 36px 0 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.article-corps h3 { font-size: 0.95rem; margin: 24px 0 10px; color: var(--navy-800); }

.article-corps ul, .article-corps ol { margin: 0 0 18px 20px; font-size: 0.92rem; }
.article-corps li { margin-bottom: 6px; }

.article-corps a { color: var(--accent); font-weight: 500; }

.lettrine::first-letter {
    font-size: 2.4em;
    font-weight: 700;
    float: left;
    line-height: 0.85;
    padding: 2px 8px 0 0;
    color: var(--navy-700);
}

blockquote {
    border-left: 3px solid var(--accent);
    padding: 8px 0 8px 18px;
    margin: 24px 0;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--navy-800);
    background: var(--accent-soft);
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* tableaux financiers */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.85rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); }

th {
    background: var(--navy-900);
    color: #c8d4e0;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

tbody tr:nth-child(even) { background: var(--panel-2); }
tbody tr:hover { background: var(--accent-soft); }

td { font-family: var(--mono); font-size: 0.82rem; }
td:first-child { font-family: var(--sans); font-weight: 500; }

/* ── SUITE ── */

.suite {
    background: var(--panel);
    border-top: 1px solid var(--border);
}

.suite-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(32px, 5vw, 48px) var(--pad);
}

.suite h2 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--navy-900);
    margin-bottom: 20px;
}

/* ── FOOTER ── */

.pied {
    background: var(--navy-900);
    color: #8fa3b8;
    border-top: 3px solid var(--accent);
}

.pied-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(36px, 5vw, 56px) var(--pad) 28px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: clamp(24px, 4vw, 40px);
}

@media (max-width: 760px) { .pied-inner { grid-template-columns: 1fr; } }

.pied .marque-pied {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
}

.pied .marque-pied em, .pied .marque-pied span.accent {
    color: var(--gold);
    font-style: normal;
}

.pied p { font-size: 0.8rem; line-height: 1.6; margin-top: 10px; max-width: 340px; }

.pied h4 {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #6a8098;
    margin-bottom: 12px;
}

.pied ul { list-style: none; }
.pied li { margin-bottom: 7px; }
.pied a { color: #8fa3b8; font-size: 0.82rem; text-decoration: none; }
.pied a:hover { color: #fff; text-decoration: underline; }

.pied-bas {
    border-top: 1px solid var(--border-dark);
    padding: 14px var(--pad);
    text-align: center;
    font-family: var(--mono);
    font-size: 0.58rem;
    letter-spacing: 0.08em;
    color: #5a7088;
}

/* ── DISCLAIMER ── */

.disclaimer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px var(--pad) 0;
    font-size: 0.65rem;
    color: var(--muted-light);
    line-height: 1.5;
}

/* ── MOBILE ── */

@media (max-width: 640px) {
    .entete-haut { flex-direction: column; align-items: flex-start; gap: 8px; }

    .marche-grid { grid-template-columns: repeat(2, 1fr); }
    .marche-cell .val { font-size: 1rem; }

    .grille { grid-template-columns: 1fr; }

    .section-titre { flex-direction: column; align-items: flex-start; }

    .article-visuel img { aspect-ratio: 16/9; }

    .article-corps table { display: block; overflow-x: auto; }

    .bouton, .bouton-ligne { display: block; text-align: center; width: 100%; }

    .cours-ticker-maj { display: none; }

    .hero-actions { flex-direction: column; }
    .hero-actions .bouton, .hero-actions .bouton-ligne { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    .cours-ticker-track { animation: none; }
}