/* ============================================
   METALS PRICE ENGINE — LUXURY EDITORIAL STYLESHEET
   ============================================
   Design: Financial Times / Economist aesthetic
   Philosophy: Calm, confident, citation-worthy
   
   Structure:
   1. CSS Custom Properties (Design Tokens)
   2. Reset & Base Styles
   3. Layout Utilities
   4. Global Header
   5. Price Hero
   6. Methodology Trust Block
   7. Price Breakdown
   8. Historical Context
   9. Market Movement
   10. Comparison CTA
   11. Calculator Teaser
   12. FAQ Section
   13. Disclaimer Block
   14. Footer
   15. Cookie Consent
   16. Accessibility Utilities
   ============================================ */

/* ============================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
  /* ─────────────────────────────────────────
     COLORS — Luxury Editorial Palette
     Inspired by newsprint, ink, and stone
     ───────────────────────────────────────── */
  
  /* Primary Ink Colors */
  --color-ink-black: #1A1714;
  --color-ink-dark: #2C2824;
  --color-ink-medium: #4A453E;
  --color-ink-light: #6B655C;
  --color-ink-muted: #8C857A;
  
  /* Paper Colors — warm, slightly cream */
  --color-paper-white: #FDFCFA;
  --color-paper-cream: #FAF8F5;
  --color-paper-warm: #F5F2ED;
  --color-paper-tan: #EDE9E2;
  
  /* Divider & Rule Colors */
  --color-rule-heavy: #C8C2B8;
  --color-rule-medium: #DDD8D0;
  --color-rule-light: #EBE7E0;
  --color-rule-hairline: #F0EDE7;
  
  /* Semantic — muted, editorial */
  --color-positive: #3D5A4A;
  --color-negative: #6B4444;
  --color-accent: #4A5A6B;
  
  /* Legacy mappings for compatibility */
  --color-gold-primary: var(--color-ink-medium);
  --color-gold-dark: var(--color-ink-dark);
  --color-gold-light: var(--color-paper-tan);
  --color-bg-primary: var(--color-paper-cream);
  --color-bg-secondary: var(--color-paper-white);
  --color-bg-tertiary: var(--color-paper-tan);
  --color-text-primary: var(--color-ink-black);
  --color-text-secondary: var(--color-ink-medium);
  --color-text-muted: var(--color-ink-light);
  --color-border: var(--color-rule-medium);
  --color-border-light: var(--color-rule-light);
  
  /* ─────────────────────────────────────────
     TYPOGRAPHY — Editorial Scale
     Serif-led headings, humanist sans body
     ───────────────────────────────────────── */
  
  /* Font Stacks */
  --font-serif: 'Source Serif 4', 'Georgia', 'Times New Roman', serif;
  --font-sans: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Primary assignments */
  --font-family-display: var(--font-serif);
  --font-family-heading: var(--font-serif);
  --font-family-body: var(--font-sans);
  --font-family-ui: var(--font-sans);
  --font-family-primary: var(--font-sans);
  --font-family-serif: var(--font-serif);
  
  /* Type Scale — refined for editorial reading */
  --font-size-xs: 0.6875rem;   /* 11px — legal, fine print */
  --font-size-sm: 0.8125rem;   /* 13px — metadata, captions */
  --font-size-base: 1.0625rem; /* 17px — body text */
  --font-size-lg: 1.1875rem;   /* 19px — lead paragraphs */
  --font-size-xl: 1.375rem;    /* 22px — subheads */
  --font-size-2xl: 1.625rem;   /* 26px */
  --font-size-3xl: 2rem;       /* 32px */
  --font-size-4xl: 2.5rem;     /* 40px */
  --font-size-5xl: 3.25rem;    /* 52px */
  
  /* Display sizes — generous, confident */
  --font-size-display: clamp(2.75rem, 5vw, 4rem);
  --font-size-h1: clamp(1.875rem, 3.5vw, 2.75rem);
  --font-size-h2: clamp(1.5rem, 2.5vw, 2rem);
  --font-size-h3: clamp(1.1875rem, 2vw, 1.5rem);
  
  /* Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Line Heights — optimized for reading */
  --line-height-tight: 1.15;
  --line-height-heading: 1.25;
  --line-height-normal: 1.65;
  --line-height-relaxed: 1.8;
  
  /* Letter Spacing */
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;
  --tracking-widest: 0.2em;
  
  /* ─────────────────────────────────────────
     SPACING — Generous, editorial rhythm
     ───────────────────────────────────────── */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  
  /* Section spacing — refined for information density */
  --section-padding-y: clamp(2.5rem, 5.5vw, 4rem);
  
  /* ─────────────────────────────────────────
     LAYOUT
     ───────────────────────────────────────── */
  --container-max-width: 960px;
  --container-padding: var(--space-5);
  --content-max-width: 680px;
  
  /* ─────────────────────────────────────────
     BORDERS & MISC
     ───────────────────────────────────────── */
  --border-radius-sm: 2px;
  --border-radius-md: 4px;
  --border-radius-lg: 6px;
  --border-radius-xl: 8px;
  
  /* No shadows in luxury editorial */
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  
  /* Transitions — subtle */
  --transition-fast: 120ms ease-out;
  --transition-normal: 200ms ease-out;
  --transition-slow: 350ms ease-out;
}

/* ============================================
   2. RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-ink-black);
  background-color: var(--color-paper-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern' 1, 'liga' 1;
}

/* Headings — Serif, confident */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-heading);
  color: var(--color-ink-black);
  letter-spacing: var(--tracking-tight);
}

/* Links — understated elegance */
a {
  color: var(--color-ink-dark);
  text-decoration: underline;
  text-decoration-color: var(--color-rule-medium);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.25em;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-ink-black);
  text-decoration-color: var(--color-ink-dark);
}

ul, ol {
  list-style: none;
}

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

table {
  border-collapse: collapse;
  width: 100%;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

p + p {
  margin-top: var(--space-4);
}

/* Strong text */
strong {
  font-weight: var(--font-weight-semibold);
}

/* ============================================
   3. LAYOUT UTILITIES
   ============================================ */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Section dividers — subtle horizontal rules */
main > section {
  border-top: 1px solid var(--color-rule-light);
}

main > section:first-of-type {
  border-top: none;
}

/* Eyebrow / Kicker text */
.section-eyebrow {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-8);
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: var(--space-10);
  }
}

@media (max-width: 640px) {
  :root {
    --section-padding-y: var(--space-12);
  }
}

/* ============================================
   3A. PRICE PAGE LAYOUT ENHANCEMENTS
   ============================================ */
body.price-page {
  background-color: var(--color-paper-cream);
  background-image:
    radial-gradient(900px 520px at 8% -10%, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0));
}

.price-page {
  --container-max-width: 1120px;
  --content-max-width: 740px;
  --section-padding-y: clamp(1.75rem, 4vw, 3rem);
}

.price-page main > section {
  border-top: 1px solid var(--color-rule-hairline);
}

.price-page p + p {
  margin-top: var(--space-3);
}

.section-grid {
  display: grid;
  gap: var(--space-8);
  align-items: start;
}

.section-intro {
  max-width: 28rem;
}

.section-body {
  min-width: 0;
}

.data-card {
  background: linear-gradient(180deg, #FFFFFF, #F8F5F0);
  border: 1px solid var(--color-rule-light);
  border-radius: var(--border-radius-lg);
  padding: var(--space-5);
}

@media (min-width: 900px) {
  .section-grid {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  }
}

/* ============================================
   3B. HOME + INDEX THEME OVERRIDES
   ============================================ */
.home-page,
.metal-index-page,
.price-page {
  --color-paper-cream: #F6F1E9;
  --color-paper-white: #FDFBF7;
  --color-ink-black: #1C1712;
  --color-ink-dark: #2B2620;
  --color-accent: #2F4E4A;
  --color-accent-warm: #B08B5A;
}

.home-page {
  --section-padding-y: clamp(1.6rem, 3.5vw, 2.6rem);
}

.metal-index-page {
  --section-padding-y: clamp(1.6rem, 3.5vw, 2.8rem);
}

.home-page main > section,
.metal-index-page main > section {
  border-top: 1px solid var(--color-rule-hairline);
}

/* ============================================
   4. GLOBAL HEADER
   ============================================ */
.site-header {
  background-color: var(--color-paper-cream);
  border-bottom: 1px solid var(--color-rule-medium);
  padding: var(--space-5) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-black);
}

.site-logo:hover .logo-text {
  color: var(--color-ink-dark);
}

/* Metal selector tabs */
.metal-selector {
  display: flex;
  gap: var(--space-6);
}

.metal-tab {
  padding: var(--space-2) 0;
  font-family: var(--font-family-ui);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-ink-light);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.metal-tab:hover {
  color: var(--color-ink-dark);
  text-decoration: none;
}

.metal-tab.active {
  color: var(--color-ink-black);
  border-bottom-color: var(--color-ink-dark);
}

/* Main navigation */
.main-nav {
  display: flex;
  gap: var(--space-6);
}

.main-nav a {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-light);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.35em;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.main-nav a:hover {
  color: var(--color-ink-black);
  text-decoration-color: var(--color-ink-dark);
}

.price-page .site-header {
  padding: var(--space-4) 0;
}

@media (max-width: 767px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
  }
  
  .metal-selector {
    justify-content: center;
  }
  
  .main-nav {
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-4) var(--space-6);
  }
}

/* ============================================
   5. PRICE HERO
   ============================================ */
.price-hero {
  background-color: var(--color-paper-cream);
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(1.75rem, 4vw, 2.8rem);
}

.price-page .price-hero {
  background-image:
    linear-gradient(110deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0)),
    radial-gradient(720px 360px at 15% 20%, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0));
  padding: clamp(1.75rem, 4vw, 2.8rem) 0;
}

.home-page .price-hero {
  padding: clamp(1.4rem, 3.5vw, 2.3rem) 0;
}

.home-page .price-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.home-page .hero-deck {
  max-width: 40rem;
  font-size: var(--font-size-lg);
}

.hero-title {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.hero-title h1 {
  margin-bottom: 0;
}

.country-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  border: 1px solid var(--color-rule-medium);
  background: radial-gradient(circle at 30% 30%, #FFFFFF, #EFE8DC);
  background-image: var(--flag-url);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: transparent;
}

.hero-grid {
  display: grid;
  gap: var(--space-6);
}

.hero-intro {
  max-width: 32rem;
}

.hero-figure {
  display: flex;
  justify-content: flex-start;
}

.price-card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(180deg, #FFFFFF, #F8F5F0);
  border: 1px solid var(--color-rule-light);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
}

.price-hero h1 {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-3);
  max-width: var(--content-max-width);
}

/* Badges — minimal, understated */
.price-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  background: transparent;
  border: 1px solid var(--color-rule-medium);
  border-radius: var(--border-radius-sm);
}

.badge-outline {
  background-color: transparent;
  border-color: var(--color-rule-light);
  color: var(--color-ink-muted);
}

/* Price display — the star of the show */
.price-display {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-rule-light);
}

.price-card .price-display {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
}

.price-value {
  display: block;
  font-family: var(--font-family-body);
  font-size: var(--font-size-display);
  font-weight: var(--font-weight-semibold);
  color: var(--color-ink-black);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
  font-variant-numeric: tabular-nums lining-nums;
}

.price-unit {
  display: block;
  font-family: var(--font-family-ui);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-ink-light);
  margin-top: var(--space-3);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* Price meta — timestamp and change */
.price-meta {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: var(--color-ink-light);
}

.last-updated {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.price-change {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-medium);
  font-variant-numeric: tabular-nums;
  padding-left: var(--space-4);
  border-left: 1px solid var(--color-rule-light);
}

.price-change.up {
  color: var(--color-positive);
}

.price-change.down {
  color: var(--color-negative);
}

.price-change.unchanged {
  color: var(--color-ink-muted);
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .hero-figure {
    justify-content: flex-end;
  }
}

@media (max-width: 640px) {
  .hero-title {
    gap: var(--space-3);
  }

  .country-mark {
    width: 2.2rem;
    height: 2.2rem;
    background-size: cover;
  }

  .price-change {
    border-left: none;
    padding-left: 0;
    display: block;
    margin-top: var(--space-2);
  }
  
  .price-meta {
    flex-direction: column;
    gap: var(--space-2);
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.price-page .hero-intro > * {
  animation: rise-in 600ms ease-out both;
}

.price-page .price-card {
  animation: rise-in 700ms ease-out both;
  animation-delay: 80ms;
}

@media (prefers-reduced-motion: reduce) {
  .price-page .hero-intro > *,
  .price-page .price-card {
    animation: none;
  }
}

/* ============================================
   6. METHODOLOGY TRUST BLOCK
   ============================================ */
.methodology-trust {
  background-color: var(--color-paper-white);
  padding: var(--section-padding-y) 0;
}

.methodology-trust h2 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-8);
}

.trust-points {
  max-width: var(--content-max-width);
  margin-bottom: var(--space-8);
}

.trust-points li {
  position: relative;
  padding: var(--space-4) 0;
  padding-left: var(--space-6);
  border-bottom: 1px solid var(--color-rule-hairline);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-ink-medium);
}

.trust-points li:last-child {
  border-bottom: none;
}

.trust-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.5rem;
  width: 4px;
  height: 4px;
  background-color: var(--color-ink-muted);
  border-radius: 50%;
}

.trust-points strong {
  color: var(--color-ink-black);
  font-weight: var(--font-weight-semibold);
}

.reference-note {
  max-width: 46rem;
  font-size: var(--font-size-sm);
  color: var(--color-ink-medium);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
}

.learn-more-link {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-medium);
  text-decoration: none;
}

.learn-more-link:hover {
  color: var(--color-ink-black);
  text-decoration: underline;
  text-decoration-color: var(--color-rule-medium);
}

.price-page .trust-points {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .price-page .trust-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-8);
  }

  .price-page .trust-points li {
    border-bottom: none;
    border-top: 1px solid var(--color-rule-hairline);
  }

  .price-page .trust-points li:nth-child(-n + 2) {
    border-top: none;
  }
}

/* ============================================
   7. PRICE BREAKDOWN
   ============================================ */
.price-breakdown {
  background-color: var(--color-paper-cream);
  padding: var(--section-padding-y) 0;
}

.price-breakdown h2 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-8);
}

.breakdown-table {
  max-width: var(--content-max-width);
  font-variant-numeric: tabular-nums lining-nums;
  width: 100%;
}

.breakdown-table th,
.breakdown-table td {
  padding: var(--space-4) 0;
  vertical-align: baseline;
  border-bottom: 1px solid var(--color-rule-hairline);
}

.breakdown-table th {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-regular);
  color: var(--color-ink-medium);
  text-align: left;
  padding-right: var(--space-6);
}

.breakdown-table td {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-medium);
  color: var(--color-ink-dark);
  text-align: right;
}

.breakdown-table .total-row {
  border-top: 2px solid var(--color-rule-medium);
}

.breakdown-table .total-row th,
.breakdown-table .total-row td {
  border-bottom: none;
  padding-top: var(--space-5);
  font-weight: var(--font-weight-semibold);
  color: var(--color-ink-black);
}

.price-page .breakdown-table th,
.price-page .breakdown-table td {
  padding: var(--space-3) 0;
}

/* ============================================
   8. HISTORICAL CONTEXT
   ============================================ */
.historical-context {
  background-color: var(--color-paper-white);
  padding: var(--section-padding-y) 0;
}

.historical-context h2 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-8);
}

/* Chart tabs — text-only, minimal */
.chart-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.chart-tabs button,
.chart-tab {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  cursor: default;
  position: relative;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-rule-light);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-paper-white);
  list-style: none;
}

.chart-tabs button[aria-selected="true"],
.chart-tab.is-active {
  color: var(--color-ink-black);
  border-color: var(--color-ink-dark);
}

/* Chart container — clean, minimal */
.chart-container {
  position: relative;
  background-color: var(--color-paper-white);
  border: 1px solid var(--color-rule-light);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.chart-placeholder {
  color: var(--color-ink-muted);
  font-family: var(--font-family-ui);
  font-size: var(--font-size-sm);
  letter-spacing: var(--tracking-wide);
}

.all-time-note {
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  color: var(--color-ink-medium);
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-rule-medium);
}

.all-time-note strong {
  color: var(--color-ink-dark);
}

.history-grid {
  align-items: stretch;
}

.history-aside {
  display: flex;
  align-items: flex-start;
}

.price-page .history-aside .all-time-note {
  background: linear-gradient(180deg, #FFFFFF, #F8F5F0);
  border: 1px solid var(--color-rule-light);
  border-radius: var(--border-radius-lg);
  padding: var(--space-5);
}

@media (min-width: 900px) {
  .history-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  }
}

/* ============================================
   9. MARKET MOVEMENT (whatChangedToday)
   ============================================ */
.market-movement {
  background-color: var(--color-paper-cream);
  padding: var(--section-padding-y) 0;
}

.market-movement h2 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-8);
}

.movement-summary {
  max-width: var(--content-max-width);
}

.movement-summary > p {
  margin-bottom: var(--space-5);
  color: var(--color-ink-medium);
  line-height: var(--line-height-relaxed);
}

.movement-factors {
  margin: var(--space-6) 0;
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-rule-light);
  border-bottom: 1px solid var(--color-rule-light);
}

.movement-factors li {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  padding: var(--space-2) 0;
}

.factor-label {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  min-width: 120px;
}

.factor-value {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-medium);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-dark);
}

.factor-value.up {
  color: var(--color-positive);
}

.factor-value.down {
  color: var(--color-negative);
}

.volatility-note {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  font-style: italic;
  margin-top: var(--space-4);
}

/* ============================================
   10. COUNTRY INDEX
   ============================================ */
.metal-index-page .price-hero {
  padding: var(--space-4) 0 var(--space-3);
}

.metal-index-page .price-hero .hero-deck {
  max-width: var(--content-max-width);
}

.country-index {
  background-color: var(--color-paper-white);
  padding: var(--space-6) 0 var(--space-8);
}

.metal-index-page .country-index {
  padding: var(--space-4) 0 var(--space-6);
}

.home-page .country-index {
  padding: var(--space-4) 0 var(--space-6);
}

.country-selectors {
  margin: var(--space-3) 0 var(--space-4);
}

.country-search {
  max-width: 420px;
}

.country-search label {
  display: block;
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-3);
}

.country-select {
  width: 100%;
  max-width: 420px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-rule-light);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-paper-white);
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  color: var(--color-ink-dark);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.country-select:hover {
  border-color: var(--color-ink-medium);
  background-color: var(--color-paper-cream);
}

.country-select:focus-visible {
  outline: 2px solid var(--color-ink-dark);
  outline-offset: 2px;
  border-color: var(--color-ink-dark);
}

.country-dropdown {
  border: 1px solid var(--color-rule-light);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-paper-white);
  display: none;
}

.country-dropdown summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family-ui);
  font-size: var(--font-size-sm);
  color: var(--color-ink-dark);
}

.country-dropdown summary::-webkit-details-marker {
  display: none;
}

.country-dropdown-panel {
  border-top: 1px solid var(--color-rule-light);
  padding: var(--space-3) var(--space-4) var(--space-4);
  display: grid;
  gap: var(--space-3);
}

.country-search-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-rule-medium);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  background-color: var(--color-paper-white);
  color: var(--color-ink-dark);
}

.country-search-hint {
  font-size: var(--font-size-xs);
  color: var(--color-ink-muted);
  margin: 0;
}

.country-search-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
  max-height: 220px;
  overflow: auto;
}

.country-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-1) var(--space-6);
}

@media (min-width: 720px) {
  .country-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .country-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.country-list li {
  padding: var(--space-2) 0;
}

.metal-index-page .country-list li {
  padding: var(--space-1) 0;
}

.country-list a,
.country-search-list a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: underline;
  text-decoration-color: var(--color-rule-medium);
  text-underline-offset: 0.2em;
  color: var(--color-ink-dark);
  cursor: pointer;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
  position: relative;
}

.country-list a::after,
.country-search-list a::after {
  content: '→';
  opacity: 0;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  transform: translateX(-2px);
  font-size: 0.9em;
  color: var(--color-ink-muted);
}

.country-list a:hover,
.country-search-list a:hover {
  color: var(--color-ink-black);
  text-decoration-color: var(--color-ink-black);
}

.country-list a:hover::after,
.country-search-list a:hover::after {
  opacity: 1;
  transform: translateX(2px);
  color: var(--color-ink-dark);
}

.country-list a:focus-visible,
.country-search-list a:focus-visible {
  outline: 2px solid var(--color-ink-dark);
  outline-offset: 2px;
}

.country-flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.65rem;
  height: 1.65rem;
  border-radius: 999px;
  border: 1px solid var(--color-rule-light);
  background: linear-gradient(135deg, #FFFFFF, #F0E7D8);
  background-image: var(--flag-url);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: transparent;
}

.country-search-list .country-flag {
  min-width: 1.35rem;
  height: 1.35rem;
  font-size: 0.82rem;
}

.home-page .country-list {
  gap: var(--space-4) var(--space-6);
}

.home-page .country-list li {
  padding: 0;
}

.home-page .country-list a {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-rule-light);
  border-radius: var(--border-radius-lg);
  background-color: var(--color-paper-white);
  text-decoration: none;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.home-page .country-list a:hover {
  border-color: var(--color-ink-medium);
  transform: translateY(-1px);
}

/* ============================================
   11. COMPARISON CTA
   ============================================ */
.comparison-cta {
  background-color: var(--color-paper-white);
  padding: var(--section-padding-y) 0;
}

.comparison-cta h2 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-10);
}

.cta-cards {
  max-width: var(--content-max-width);
  display: grid;
  gap: var(--space-5);
}

.cta-card {
  display: block;
  padding: var(--space-5);
  border: 1px solid var(--color-rule-light);
  border-radius: var(--border-radius-lg);
  background-color: var(--color-paper-cream);
  text-decoration: none;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.cta-card::before {
  content: '';
  display: block;
  width: 46px;
  height: 2px;
  background-color: var(--color-accent-warm, var(--color-rule-medium));
  margin-bottom: var(--space-4);
}

.cta-card:hover {
  border-color: var(--color-ink-medium);
  background-color: var(--color-paper-white);
  text-decoration: none;
}

@media (min-width: 860px) {
  .cta-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.home-page .comparison-cta h2 {
  margin-bottom: var(--space-6);
}

.home-page .cta-cards {
  max-width: 760px;
}

@media (min-width: 700px) {
  .home-page .cta-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.home-page .cta-card {
  min-height: 160px;
}

.cta-card h3 {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-ink-black);
}

.cta-card p {
  font-size: var(--font-size-sm);
  color: var(--color-ink-medium);
  margin: 0;
  line-height: var(--line-height-normal);
}

/* ============================================
   11. CALCULATOR TEASER
   ============================================ */
.calculator-teaser {
  background-color: var(--color-paper-cream);
  padding: var(--section-padding-y) 0;
}

.calculator-teaser h2 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-8);
}

.calculator-preview {
  display: grid;
  gap: var(--space-6);
}

.example-calculation {
  font-family: var(--font-family-body);
  font-size: var(--font-size-lg);
  color: var(--color-ink-medium);
  padding-left: var(--space-5);
  border-left: 2px solid var(--color-rule-medium);
  margin-bottom: var(--space-8);
}

.example-calculation strong {
  color: var(--color-ink-dark);
}

.calculator-placeholder {
  margin-bottom: var(--space-4);
  background: linear-gradient(180deg, #FFFFFF, #F8F5F0);
  border: 1px solid var(--color-rule-light);
  border-radius: var(--border-radius-lg);
  padding: var(--space-5);
}

.calculator-placeholder p {
  color: var(--color-ink-medium);
  margin-bottom: var(--space-4);
}

.input-preview {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-rule-light);
  background-color: var(--color-paper-white);
  opacity: 0.7;
}

.input-preview input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-rule-medium);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  background-color: var(--color-paper-cream);
}

.unit-label {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
}

.coming-soon-note {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  font-style: italic;
  margin-top: var(--space-4);
}

@media (min-width: 900px) {
  .calculator-preview {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: center;
  }
}

/* ============================================
   12. FAQ SECTION
   ============================================ */
.faq-section {
  background-color: var(--color-paper-white);
  padding: var(--section-padding-y) 0;
}

.faq-section h2 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-10);
}

.faq-list {
  max-width: var(--content-max-width);
}

.faq-item {
  border-bottom: 1px solid var(--color-rule-light);
}

.faq-item:first-of-type {
  border-top: 1px solid var(--color-rule-light);
}

.faq-item summary {
  padding: var(--space-5) 0;
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-lg);
  color: var(--color-ink-black);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::after {
  content: '+';
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-regular);
  color: var(--color-ink-muted);
  flex-shrink: 0;
  margin-left: var(--space-4);
}

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

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

.faq-answer {
  padding: 0 0 var(--space-6);
  color: var(--color-ink-medium);
  line-height: var(--line-height-relaxed);
  max-width: 90%;
}

.faq-answer p {
  margin: 0;
}

.faq-answer a {
  font-weight: var(--font-weight-medium);
}

.price-page .faq-list {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 960px) {
  .price-page .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4) var(--space-8);
  }

  .price-page .faq-item {
    border: 1px solid var(--color-rule-light);
    border-radius: var(--border-radius-lg);
    padding: 0 var(--space-4);
  }

  .price-page .faq-item:first-of-type {
    border-top: 1px solid var(--color-rule-light);
  }

  .price-page .faq-item summary {
    padding: var(--space-4) 0;
  }

  .price-page .faq-answer {
    max-width: 100%;
  }
}

/* ============================================
   13. DISCLAIMER BLOCK
   ============================================ */
.disclaimer-block {
  background-color: var(--color-paper-cream);
  padding: var(--space-10) 0;
  border-top: 1px solid var(--color-rule-light);
}

.disclaimer-content {
  max-width: var(--content-max-width);
  padding-left: var(--space-5);
  border-left: 2px solid var(--color-rule-medium);
}

.disclaimer-content p {
  font-size: var(--font-size-sm);
  color: var(--color-ink-medium);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.disclaimer-content strong {
  color: var(--color-ink-dark);
}

/* ============================================
   14. FOOTER
   ============================================ */
.site-footer {
  background-color: var(--color-ink-black);
  color: var(--color-paper-tan);
  padding: var(--space-10) 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}

.footer-nav {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-sm);
  color: var(--color-paper-tan);
  text-decoration: underline;
  text-decoration-color: rgba(237, 233, 226, 0.3);
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-paper-white);
  text-decoration-color: rgba(237, 233, 226, 0.8);
}

.copyright {
  font-family: var(--font-family-ui);
  font-size: var(--font-size-xs);
  color: var(--color-ink-light);
  letter-spacing: var(--tracking-wide);
}

/* ============================================
   15. COOKIE CONSENT
   ============================================ */
.cookie-consent {
  background-color: var(--color-paper-tan);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-rule-light);
}

.cookie-consent p {
  font-size: var(--font-size-sm);
  color: var(--color-ink-medium);
  margin: 0;
}

/* ============================================
   16. AD CONTAINERS (Reserved for Phase 2)
   ============================================ */
.ad-container {
  padding: var(--space-6) 0;
  text-align: center;
}

/* ============================================
   17. ACCESSIBILITY UTILITIES
   ============================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles — visible, accessible */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-ink-dark);
  outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Print styles — the page should print beautifully */
@media print {
  :root {
    --section-padding-y: 2rem;
  }
  
  body {
    font-size: 11pt;
    color: black;
    background: white;
    line-height: 1.5;
  }
  
  .site-header,
  .site-footer,
  .ad-container,
  .chart-tabs,
  .calculator-teaser,
  .cookie-consent {
    display: none;
  }
  
  .chart-container {
    display: none;
  }
  
  a {
    text-decoration: none;
    color: black;
  }
  
  .price-value {
    font-size: 28pt;
  }
  
  h1, h2, h3 {
    page-break-after: avoid;
  }
  
  section {
    page-break-inside: avoid;
  }
}