/* Prix des Métaux, site satellite SEO de Nili Métal. Palette Nili.
   Polices self-hostées (DS §3) : Unbounded 500/600/700 + Fraunces 400 italic.
   Hotfix Phase 1.1 : 800 retiré (plus d'usage), 500 ajouté pour titres XL. */

@font-face {
  font-family: 'Unbounded';
  src: url('/fonts/unbounded-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Unbounded';
  src: url('/fonts/unbounded-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Unbounded';
  src: url('/fonts/unbounded-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('/fonts/fraunces-400-italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   NM design system tokens — DESIGN-SYSTEM.md (2026-05-13)
   Coexistent avec --c-* historiques. Voir DS sections 2, 4, 5.
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
:root {
  --nm-charcoal: #2A2826;
  --nm-night: #181830;
  --nm-cream: #F4F0E8;
  --nm-cream-2: #EDE8DC;
  --nm-white: #FFFFFF;
  --nm-orange: #E96821;
  --nm-orange-hover: #D55816;
  --nm-slate: #4D6068;
  --nm-forest: #2D5A4A;
  --nm-success-bg: #E8F0E5;
  --nm-success-fg: #2D5A4A;
  --nm-danger-bg: #FCE8E3;
  --nm-danger-fg: #C0431E;
  --nm-neutral-bg: #EDE8DC;
  --nm-neutral-fg: #4D6068;
  --nm-border: rgba(42, 40, 38, 0.08);
  --nm-border-strong: rgba(42, 40, 38, 0.14);
  --nm-border-dark: rgba(244, 240, 232, 0.12);
  --nm-live-green: #22C55E;
  --nm-font-display: 'Unbounded', system-ui, sans-serif;
  --nm-font-body: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --nm-font-italic: 'Fraunces', Georgia, serif;
  --nm-space-1: 4px;
  --nm-space-2: 8px;
  --nm-space-3: 12px;
  --nm-space-4: 16px;
  --nm-space-5: 24px;
  --nm-space-6: 32px;
  --nm-space-7: 48px;
  --nm-space-8: 64px;
  --nm-space-9: 96px;
  --nm-space-10: 128px;
  --nm-radius-sm: 4px;
  --nm-radius-md: 8px;
  --nm-radius-lg: 12px;
  --nm-radius-xl: 16px;
  --nm-radius-pill: 999px;
}

:root {
  /* Force le rendu clair — empêche Chrome/Edge mobile d'inverser automatiquement
     les couleurs en "dark mode" sur les utilisateurs qui ont activé le thème système sombre. */
  color-scheme: light only;

  /* Palette Nili Métal */
  --bg: #F5F5F0;
  --bg-2: #FFFFFF;
  --bg-3: #EDEAE2;
  --border: rgba(22,24,36,0.08);
  --border-strong: rgba(22,24,36,0.12);
  --ink: #161824;
  --ink-2: #5b5d65;
  --ink-3: #9a9ba1;
  --accent: #E85E1A;
  --accent-2: #C44E15;
  --accent-soft: #F08555;
  --accent-light: rgba(232,94,26,0.12);
  --teal: #3E6A78;
  --teal-light: rgba(62,106,120,0.12);
  --forest: #4A7A55;
  --up: #4A7A55;
  --down: #C44E15;
  --flat: #9a9ba1;
  --cta: #E85E1A;
  --font-display: 'Unbounded', sans-serif;
  --font-body: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.015em;
  color: var(--ink);
}
h1 { font-weight: 600; letter-spacing: -0.025em; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }

/* Header */
.site-header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-logo {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.site-logo:hover { color: var(--ink); text-decoration: none; }
.site-logo .nm-mark {
  display: inline-block;
  height: 24px;
  width: auto;
  vertical-align: middle;
}
.site-logo .pipe {
  display: inline-block;
  width: 1px;
  height: 18px;
  background: var(--border-strong);
  margin: 0 4px;
}
@media (max-width: 520px) {
  .site-logo .nm-mark { height: 20px; }
  .site-logo .pipe { height: 14px; }
}

/* Nouveau logo Prix des Métaux (PRIX DES METAUX BY NILIMETAL) */
.prix-logo {
  display: inline-block;
  height: 52px;
  width: auto;
  vertical-align: middle;
  margin: 6px 12px 6px 0;
}
.prix-logo--blog {
  height: 44px;
  margin: 4px 10px 4px 0;
}
@media (max-width: 520px) {
  .prix-logo { height: 38px; margin: 4px 8px 4px 0; }
  .prix-logo--blog { height: 34px; margin: 4px 8px 4px 0; }
}

/* Footer brand block */
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-2);
}
.footer-brand .nm-mark-footer {
  height: 36px;
  width: auto;
  opacity: 0.9;
  transition: opacity 200ms;
}
.footer-brand a:hover .nm-mark-footer { opacity: 1; }
.footer-brand .by {
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.site-nav {
  display: flex;
  gap: 22px;
  font-size: 13.5px;
  font-weight: 500;
}
.site-nav a { color: var(--ink-2); }
.site-nav a:hover { color: var(--ink); }
.header-cta {
  background: var(--accent);
  color: white;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 13.5px;
  font-family: var(--font-body);
}
.header-cta:hover { background: var(--accent-2); text-decoration: none; color: white; }

/* Language switcher FR/NL (clone nilimetal homepage style) */
.lang-switch {
  display: inline-flex;
  align-items: center;
  background: rgba(22,24,36,0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  margin-right: 12px;
  font-family: var(--font-body, 'Helvetica Neue', Helvetica, Arial, sans-serif);
}
.lang-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  text-decoration: none;
  transition: all 200ms;
}
.lang-switch a:hover { color: var(--ink); text-decoration: none; }
.lang-switch a.lang-active {
  background: var(--ink);
  color: white;
}
@media (max-width: 1024px) {
  .lang-switch { margin-right: 8px; }
  .lang-switch a { min-width: 28px; padding: 0 8px; font-size: 11px; }
}

/* Hero */
.hero {
  padding: 64px 24px 32px;
  max-width: 1280px;
  margin: 0 auto;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0 0 16px;
  color: var(--ink);
}
.hero h1 .accent { color: var(--accent); }
.hero p {
  font-size: 17px;
  color: var(--ink-2);
  max-width: 640px;
  margin: 0 0 12px;
}
.hero .updated {
  font-size: 13px;
  color: var(--ink-3);
  margin-top: 22px;
}

/* ───────── Filtres ───────── */
.filters {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.filter-btn {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--ink-2);
  padding: 8px 16px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 150ms ease-out;
}
.filter-btn:hover { color: var(--ink); border-color: var(--border-strong); }
.filter-btn.is-active { background: var(--accent); color: white; border-color: var(--accent); }
.filter-search {
  flex: 1;
  min-width: 200px;
  max-width: 300px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--ink);
  padding: 9px 14px;
  border-radius: 7px;
  font-family: inherit;
  font-size: 13.5px;
}
.filter-search::placeholder { color: var(--ink-3); }
.filter-search:focus { outline: none; border-color: var(--accent); }

/* ───────── Tableau des prix ───────── */
.prices-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 64px;
}
.prices-table-wrap {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.prices-table {
  width: 100%;
  border-collapse: collapse;
}
.prices-table thead th {
  background: var(--bg-3);
  text-align: left;
  padding: 14px 18px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
.prices-table thead th.right { text-align: right; }
.prices-table tbody tr {
  transition: background 150ms ease-out;
  border-bottom: 1px solid var(--border);
}
.prices-table tbody tr:hover { background: var(--bg-3); }
.prices-table tbody tr:last-child { border-bottom: 0; }
.prices-table td {
  padding: 14px 18px;
  vertical-align: middle;
}
.prices-table td.right { text-align: right; }
.pr-name {
  font-weight: 600;
  color: var(--ink);
  font-size: 14.5px;
}
.pr-name a { color: inherit; }
.pr-name a:hover { color: var(--accent); text-decoration: none; }
.pr-cat {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.06em;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 100px;
  text-transform: uppercase;
  background: rgba(255,170,61,0.08);
  color: var(--accent);
}
.pr-cat.ferreux {
  background: rgba(120,140,170,0.12);
  color: #a3b1c7;
}
.pr-price {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}
.pr-price-unit { font-weight: 400; color: var(--ink-3); font-size: 12px; margin-left: 2px; }
.pr-variation { font-size: 12.5px; font-weight: 600; font-variant-numeric: tabular-nums; }
.pr-variation.up { color: var(--up); }
.pr-variation.down { color: var(--down); }
.pr-variation.flat { color: var(--flat); }
.pr-link {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
}
.pr-spark {
  width: 100px;
  height: 32px;
  display: inline-block;
  vertical-align: middle;
}

/* ───────── Calculateur ───────── */
.calc-card {
  margin: 0 auto;
  max-width: 720px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  margin-top: 48px;
}
.calc-card h2 {
  font-family: var(--font-display);
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 300;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.calc-card .calc-hint {
  color: var(--ink-3);
  font-size: 13.5px;
  margin: 0 0 22px;
}
.calc-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
  margin-bottom: 22px;
}
@media (max-width: 600px) { .calc-grid { grid-template-columns: 1fr; } }
.calc-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.06em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 7px;
}
.calc-select, .calc-input {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--ink);
  padding: 11px 14px;
  border-radius: 7px;
  font-family: inherit;
  font-size: 14.5px;
}
.calc-select:focus, .calc-input:focus { outline: none; border-color: var(--accent); }
.calc-result {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 18px;
  text-align: center;
}
.calc-result-value {
  font-size: 32px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.calc-result-label { font-size: 12px; color: var(--ink-3); margin-top: 4px; }

/* ───────── CTA Section ───────── */
.cta-section {
  background: var(--ink);
  color: white;
  padding: 80px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
}
.cta-section h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: white;
}
.cta-section p { color: rgba(255,255,255,0.7); }
.cta-section p {
  color: var(--ink-2);
  font-size: 16.5px;
  max-width: 560px;
  margin: 0 auto 28px;
}
.cta-button {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 15px;
  font-family: var(--font-body);
  letter-spacing: 0.01em;
}
.cta-button:hover { background: var(--accent-2); text-decoration: none; color: white; }

/* ───────── Footer ───────── */
.site-footer {
  background: var(--bg-2);
  padding: 40px 24px 24px;
  border-top: 1px solid var(--border);
  color: var(--ink-3);
  font-size: 13px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-inner a { color: var(--ink-2); }
.footer-inner a:hover { color: var(--ink); }

/* ───────── Page individuelle métal ───────── */
.metal-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 24px 32px;
}
.breadcrumb {
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--ink-2); }
.metal-page h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 12px;
  color: var(--ink);
}
.metal-page .lead {
  color: var(--ink-2);
  font-size: 16px;
  margin: 0 0 32px;
}
.metal-graph-wrapper {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  margin-bottom: 28px;
}
/* Le composant .graphique-prix vient avec son propre style (clair),
   on l'invertit pour le thème sombre du site */
.metal-graph-wrapper .graphique-prix {
  --gp-accent: var(--accent);
  --gp-ink: var(--ink);
  --gp-cream: var(--bg-3);
  --gp-cream-2: var(--bg-3);
  --gp-border: var(--border);
  --gp-muted: var(--ink-3);
  color: var(--ink);
}
.metal-graph-wrapper .graphique-prix .gp-nom,
.metal-graph-wrapper .graphique-prix .gp-prix,
.metal-graph-wrapper .graphique-prix .gp-stat-val { color: var(--ink) !important; }
.metal-graph-wrapper .graphique-prix .gp-sources-title { color: var(--ink) !important; }
.metal-graph-wrapper .graphique-prix .gp-stats,
.metal-graph-wrapper .graphique-prix .gp-sources,
.metal-graph-wrapper .graphique-prix .gp-periodes {
  background: var(--bg-3) !important;
  border-color: var(--border) !important;
}
.metal-graph-wrapper .graphique-prix .gp-periode-btn { color: var(--ink-2); }
.metal-graph-wrapper .graphique-prix .gp-periode-btn.is-active {
  background: var(--accent) !important;
  color: white !important;
}

.metal-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 40px;
}
@media (max-width: 800px) { .metal-content { grid-template-columns: 1fr; } }

.metal-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.metal-card h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--ink);
}
.metal-card p { color: var(--ink-2); margin: 0 0 12px; font-size: 14.5px; }
.metal-card ul { margin: 0; padding-left: 20px; color: var(--ink-2); font-size: 14.5px; }
.metal-card ul li { margin-bottom: 6px; }

/* Skeleton */
.skel { background: var(--bg-3); border-radius: 7px; animation: skel 1.4s linear infinite; }
@keyframes skel { 0%, 100% { opacity: 0.6; } 50% { opacity: 0.85; } }

/* Newsletter CTA */
.newsletter-cta { max-width: 800px; margin: 56px auto 32px; padding: 0 24px; }
.newsletter-cta-inner {
  background: var(--ink);
  border: none;
  border-radius: 12px;
  padding: 36px 32px;
  text-align: center;
  color: white;
}
.newsletter-cta h2 {
  font-family: var(--font-display);
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 300;
  letter-spacing: -0.015em;
  color: white;
}
.newsletter-cta p {
  color: rgba(255,255,255,0.7);
  margin: 0 auto 22px;
  max-width: 520px;
  font-size: 14.5px;
  line-height: 1.55;
}
.newsletter-cta form {
  display: flex;
  gap: 8px;
  max-width: 440px;
  margin: 0 auto;
}
.newsletter-cta input {
  flex: 1;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  color: white;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 200ms;
  font-family: var(--font-body);
}
.newsletter-cta input:focus { border-color: var(--accent); }
.newsletter-cta input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-cta button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 200ms;
  font-family: var(--font-body);
}
.newsletter-cta button:hover { background: var(--accent-2); }
.newsletter-cta button:hover { opacity: 0.9; }
.newsletter-cta button:disabled { opacity: 0.5; cursor: wait; }
.newsletter-cta .newsletter-msg {
  margin: 12px 0 0;
  font-size: 12.5px;
  min-height: 18px;
  color: var(--ink-3);
}
.newsletter-cta .newsletter-msg[data-state="ok"] { color: #4ade80; }
.newsletter-cta .newsletter-msg[data-state="err"] { color: #f87171; }
@media (max-width: 520px) {
  .newsletter-cta form { flex-direction: column; }
}