/* Fer & Vent — paris climb-forecast journal
   Palette: slate blue, sky white, copper, graphite
   Type: Space Grotesk (display + body), IBM Plex Mono (data) */

:root {
    --slate: #324a5f;
    --slate-dark: #223345;
    --slate-ink: #141c25;
    --sky: #f3f6f9;
    --sky-mid: #e4ebf1;
    --sky-light: #f8fafc;
    --copper: #a66b3b;
    --copper-soft: #c7905f;
    --rule: #cfd8e0;
    --mute: #6b7a86;
    --good: #4b8d6a;
    --warn: #c48a1f;
    --max: 1100px;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --slate: #91a9bf;
        --slate-dark: #c7d3df;
        --slate-ink: #e8eef4;
        --sky: #0e1620;
        --sky-mid: #182230;
        --sky-light: #121b26;
        --rule: #243244;
        --mute: #90a0b0;
    }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "Space Grotesk", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.55;
    color: var(--slate-ink);
    background: var(--sky);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: var(--slate-dark); text-underline-offset: 2px; }
a:hover { color: var(--copper); }

h1, h2, h3, h4 {
    font-family: "Space Grotesk", system-ui, sans-serif;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--slate-ink);
    margin: 0 0 0.6em;
}
h1 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); line-height: 1.12; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.3rem, 2.1vw, 1.7rem); line-height: 1.2; margin-top: 2.4em; }
h3 { font-size: 1.1rem; line-height: 1.3; margin-top: 1.8em; }
h4 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--mute); }

p { margin: 0 0 1em; }
small { color: var(--mute); font-size: 0.86rem; }
code, .mono, .num {
    font-family: "IBM Plex Mono", "JetBrains Mono", ui-monospace, Menlo, monospace;
    font-size: 0.92em;
}

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.wrap-sm { max-width: 760px; margin: 0 auto; }

/* ───── Topbar ───── */
.topbar {
    border-bottom: 1px solid var(--rule);
    background: var(--sky-light);
    position: sticky;
    top: 0;
    z-index: 20;
}
.topbar .bar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 14px 0;
    flex-wrap: wrap;
}
.brand {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    text-decoration: none;
    color: var(--slate-ink);
    font-weight: 600;
    letter-spacing: -0.01em;
}
.brand svg { width: 22px; height: 22px; }
.brand .brand-sub {
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 0.72rem;
    color: var(--mute);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding-left: 10px;
    margin-left: 10px;
    border-left: 1px solid var(--rule);
}
.nav {
    display: flex;
    gap: 20px;
    margin-left: auto;
    font-size: 0.95rem;
}
.nav a {
    text-decoration: none;
    color: var(--slate);
    padding: 4px 0;
}
.nav a:hover,
.nav a.active { color: var(--copper); border-bottom: 2px solid var(--copper); }
.nav .cta {
    background: var(--slate-ink);
    color: var(--sky-light);
    padding: 7px 14px;
    border-radius: 6px;
    font-weight: 500;
}
.nav .cta:hover { background: var(--copper); color: #fff; border-bottom-color: transparent; }

/* ───── Hero + Forecast panel ───── */
.hero {
    padding: 48px 0 40px;
    border-bottom: 1px solid var(--rule);
}
.hero .lead {
    font-size: 1.08rem;
    color: var(--slate);
    max-width: 60ch;
}
.coords {
    display: inline-flex;
    gap: 10px;
    align-items: baseline;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.84rem;
    color: var(--mute);
    margin-bottom: 20px;
}
.coords .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--good); display: inline-block; }

.forecast-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1px;
    background: var(--rule);
    border: 1px solid var(--rule);
    border-radius: 10px;
    overflow: hidden;
    margin: 28px 0 20px;
}
.forecast-panel .cell {
    background: var(--sky-light);
    padding: 18px 20px 16px;
}
.cell .lab {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--mute);
    margin-bottom: 10px;
}
.cell .val {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--slate-ink);
}
.cell .val .u { font-size: 0.72em; color: var(--mute); margin-left: 4px; font-weight: 400; }
.cell .meta {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.78rem;
    color: var(--mute);
    margin-top: 8px;
}

.bar-h {
    display: flex;
    margin: 10px 0 6px;
    gap: 2px;
    height: 10px;
}
.bar-h i {
    flex: 1;
    background: var(--rule);
    border-radius: 1px;
}
.bar-h i.on { background: var(--slate); }
.bar-h.good i.on { background: var(--good); }
.bar-h.warn i.on { background: var(--warn); }

.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.74rem;
    letter-spacing: 0.04em;
    background: var(--sky-mid);
    color: var(--slate);
}
.tag.good { background: #dbeadf; color: var(--good); }
.tag.warn { background: #f3e5c7; color: var(--warn); }

.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 6px;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 0.98rem;
    background: var(--slate-ink);
    color: var(--sky-light);
    margin-right: 8px;
}
.btn:hover { background: var(--copper); color: #fff; }
.btn.ghost {
    background: transparent;
    color: var(--slate-ink);
    border-color: var(--slate);
}
.btn.ghost:hover { background: var(--sky-mid); color: var(--slate-ink); border-color: var(--copper); }

/* ───── Section band + cards ───── */
.band {
    padding: 56px 0;
    border-bottom: 1px solid var(--rule);
}
.band.alt { background: var(--sky-light); }
.band h2 .count {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.68em;
    color: var(--mute);
    margin-left: 12px;
    font-weight: 400;
    letter-spacing: 0.04em;
    vertical-align: middle;
}
.eyebrow {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.76rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--copper);
    margin-bottom: 10px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 24px;
}
.card {
    background: var(--sky-light);
    border: 1px solid var(--rule);
    border-radius: 10px;
    padding: 24px 22px 20px;
    text-decoration: none;
    color: inherit;
    display: block;
    transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: var(--copper); }
.card h3 { margin-top: 0; color: var(--slate-ink); }
.card .num-badge {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--copper);
    margin-bottom: 10px;
}
.card p { color: var(--slate); margin-bottom: 10px; }
.card .more {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.82rem;
    color: var(--copper);
}

/* ───── Prose / articles ───── */
.prose {
    max-width: 72ch;
    font-size: 1.02rem;
    line-height: 1.68;
    color: var(--slate-ink);
}
.prose p { margin: 0 0 1.1em; }
.prose h2 { margin-top: 2em; }
.prose h3 { margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.2em; margin-bottom: 1.2em; }
.prose li { margin: 0.3em 0; }
.prose blockquote {
    margin: 1.4em 0;
    padding: 10px 20px;
    border-left: 3px solid var(--copper);
    background: var(--sky-light);
    color: var(--slate);
    font-style: italic;
}
.prose table {
    border-collapse: collapse;
    width: 100%;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.9rem;
    margin: 1em 0;
}
.prose table th, .prose table td {
    border: 1px solid var(--rule);
    padding: 8px 12px;
    text-align: left;
}
.prose table th { background: var(--sky-light); color: var(--slate); font-weight: 500; text-transform: uppercase; font-size: 0.78rem; letter-spacing: 0.08em; }

.toc {
    background: var(--sky-light);
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 16px 22px;
    margin: 20px 0 32px;
    font-size: 0.9rem;
}
.toc ol { padding-left: 1.4em; margin: 0; color: var(--slate); }
.toc li { margin: 0.3em 0; }

/* ───── Figure ───── */
figure {
    margin: 1.8em 0;
    padding: 0;
    border: 1px solid var(--rule);
    background: var(--sky-light);
    border-radius: 10px;
    overflow: hidden;
}
figure svg, figure img { display: block; max-width: 100%; height: auto; }
figcaption {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.8rem;
    color: var(--mute);
    padding: 10px 18px;
    border-top: 1px solid var(--rule);
}

/* ───── Chart ───── */
.chart {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.84rem;
    background: var(--sky-light);
    border: 1px solid var(--rule);
    border-radius: 10px;
    padding: 18px 22px;
    margin: 1.4em 0;
    overflow-x: auto;
}
.chart .row {
    display: grid;
    grid-template-columns: 60px 1fr 70px;
    gap: 12px;
    align-items: center;
    margin: 4px 0;
}
.chart .bar { height: 8px; background: linear-gradient(90deg, var(--slate), var(--copper)); border-radius: 2px; }
.chart .label { color: var(--mute); }
.chart .value { color: var(--slate-ink); text-align: right; }

/* ───── Footer ───── */
footer.site-foot {
    padding: 48px 0 32px;
    background: var(--slate-ink);
    color: var(--sky-mid);
    font-size: 0.92rem;
}
footer.site-foot a { color: var(--sky-mid); }
footer.site-foot a:hover { color: var(--copper-soft); }
footer.site-foot .cols {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 32px;
}
footer.site-foot h4 {
    color: var(--sky-light);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin: 0 0 14px;
}
footer.site-foot ul { list-style: none; padding: 0; margin: 0; }
footer.site-foot li { margin: 6px 0; }
footer.site-foot .disclaimer {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.82rem;
    color: #8aa0b4;
    font-family: "IBM Plex Mono", monospace;
}

/* ───── Cookie banner ───── */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--slate-ink);
    color: var(--sky-light);
    padding: 16px 20px;
    display: none;
    z-index: 100;
    border-top: 1px solid var(--copper);
    font-size: 0.92rem;
}
#cookie-banner.show { display: block; }
#cookie-banner .row {
    display: flex;
    gap: 16px;
    align-items: center;
    max-width: var(--max);
    margin: 0 auto;
    flex-wrap: wrap;
}
#cookie-banner p { margin: 0; flex: 1 1 420px; color: var(--sky-mid); }
#cookie-banner a { color: var(--copper-soft); }
#cookie-banner button {
    background: transparent;
    color: var(--sky-light);
    border: 1px solid #4d5f72;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font: inherit;
    font-size: 0.9rem;
}
#cookie-banner button.accept {
    background: var(--copper);
    border-color: var(--copper);
    color: #fff;
}
#cookie-banner button:hover { border-color: var(--copper-soft); color: var(--copper-soft); }
#cookie-banner button.accept:hover { background: var(--copper-soft); color: #fff; }

/* ───── Responsive ───── */
@media (max-width: 720px) {
    .nav { font-size: 0.9rem; gap: 14px; width: 100%; margin-left: 0; overflow-x: auto; }
    .nav .cta { order: 10; }
    .hero { padding: 32px 0; }
    footer.site-foot .cols { grid-template-columns: 1fr 1fr; gap: 24px; }
    footer.site-foot .cols .about { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
    footer.site-foot .cols { grid-template-columns: 1fr; }
}