/* ============================================================
   SEASIDE PRECIOUS METALS — Market Intelligence Dashboard
   Static demo · design tokens from Seaside Styleguide v1.0
   ============================================================ */

:root {
  /* Brand colors */
  --color-primary: #C9A227;
  --color-primary-hover: #A8841E;
  --color-primary-light: #E8C96A;
  --color-secondary: #8B7355;
  --color-accent-line: #D4B86A;

  /* Backgrounds & surfaces */
  --color-bg-dark: #12100A;
  --color-bg-dark-surface: #1E1A0E;
  --color-surface-warm: #F0EAD8;
  --color-surface-light: #F7F5F0;
  --color-bg-white: #FFFFFF;

  /* Text */
  --color-text: #1A1A14;
  --color-text-muted: #6B6455;
  --color-text-on-dark: #FFFFFF;
  --color-text-muted-on-dark: #C0B49A;
  --color-text-gold: #C9A227;
  --color-border-light: #E0D9C8;

  /* Fonts */
  --font-heading: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Type scale */
  --text-xs: 0.688rem;
  --text-sm: 0.813rem;
  --text-base: 0.938rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3rem;
  --text-5xl: 3.75rem;

  /* Spacing */
  --space-xs: 4px;
  --space-s: 8px;
  --space-m: 16px;
  --space-l: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  --space-4xl: 128px;

  /* Layout */
  --content-width: 1200px;
  --text-width: 680px;
  --nav-height-desktop: 72px;
  --nav-height-mobile: 60px;
  --gutter-mobile: 20px;
  --gutter-desktop: 48px;

  /* Tracking */
  --tracking-wide: 0.08em;
  --tracking-widest: 0.15em;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text-on-dark);
  background: var(--color-bg-dark);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.15; font-weight: 600; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding-left: var(--gutter-desktop);
  padding-right: var(--gutter-desktop);
}

.section { padding-top: var(--space-3xl); padding-bottom: var(--space-3xl); }
.section--dark { background: var(--color-bg-dark); }
.section--surface { background: var(--color-bg-dark-surface); }

/* ---------- Section heading pattern ---------- */
.badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-gold);
  background: var(--color-bg-dark-surface);
  border: 1px solid var(--color-accent-line);
  border-radius: 0;
  padding: 6px 12px;
  margin-bottom: var(--space-m);
}

.section-heading {
  font-size: var(--text-3xl);
  color: var(--color-text-on-dark);
  letter-spacing: -0.01em;
}

.section-heading--gold { color: var(--color-text-gold); }

.gold-underline {
  width: 40px;
  height: 2px;
  background: var(--color-accent-line);
  margin-top: var(--space-s);
  margin-bottom: var(--space-l);
  border: 0;
}

.lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted-on-dark);
  max-width: var(--text-width);
  line-height: 1.65;
}

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-dark);
  height: var(--nav-height-desktop);
  border-bottom: 1px solid rgba(212, 184, 106, 0.18);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-on-dark);
}
.nav__logo span { color: var(--color-primary); }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav__link {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  font-weight: 500;
  color: var(--color-text-on-dark);
  transition: color 0.2s ease;
  cursor: pointer;
}
.nav__link:hover { color: var(--color-primary); }

/* Dropdown */
.nav__item { position: relative; }
.nav__dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 200px;
  background: var(--color-bg-dark-surface);
  border: 1px solid var(--color-accent-line);
  padding: var(--space-s) 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}
.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav__dropdown a {
  display: block;
  padding: 10px var(--space-l);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-on-dark);
  transition: color 0.15s ease, background 0.15s ease;
}
.nav__dropdown a:hover { color: var(--color-primary); background: rgba(201,162,39,0.08); }

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-on-dark);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  background: var(--color-bg-dark);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  border-bottom: 1px solid rgba(212, 184, 106, 0.12);
}
.hero h1 {
  font-size: var(--text-5xl);
  color: var(--color-text-on-dark);
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.hero h1 .accent { color: var(--color-primary); }
.hero .gold-underline { margin-left: 0; }
.hero .lead { margin-top: var(--space-m); }

/* Market hero (inner pages) */
.page-hero { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }
.page-hero h1 { font-size: var(--text-4xl); color: var(--color-primary); }
.page-hero .meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted-on-dark);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-top: var(--space-s);
}

/* Breadcrumb */
.breadcrumb {
  padding-top: var(--space-l);
  font-size: var(--text-sm);
  color: var(--color-text-muted-on-dark);
  letter-spacing: var(--tracking-wide);
}
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { margin: 0 var(--space-s); color: var(--color-secondary); }

/* ---------- Cards grid ---------- */
.grid {
  display: grid;
  gap: var(--space-l);
  margin-top: var(--space-xl);
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-bg-dark-surface);
  border: 1px solid var(--color-accent-line);
  border-radius: 0;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
a.card:hover, .card--link:hover {
  box-shadow: 0 0 0 1px var(--color-primary), 0 12px 32px rgba(201, 162, 39, 0.22);
  transform: translateY(-4px);
}
.card__icon {
  width: 48px; height: 48px;
  color: var(--color-primary);
  margin-bottom: var(--space-m);
}
.card__icon svg { width: 100%; height: 100%; }
.card h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-s);
}
.card p {
  font-size: var(--text-base);
  color: var(--color-text-muted-on-dark);
  line-height: 1.65;
}
.card__cta {
  margin-top: auto;
  padding-top: var(--space-m);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-weight: 600;
  color: var(--color-primary);
}

/* ---------- Dashboard image blocks ---------- */
.dash {
  border: 1px solid var(--color-accent-line);
  background: var(--color-bg-dark);
  padding: var(--space-s);
}
.dash img { width: 100%; max-width: 100%; display: block; }
.dash--small { max-width: 760px; }

.caption {
  font-size: var(--text-sm);
  color: var(--color-text-muted-on-dark);
  margin-top: var(--space-m);
  font-style: italic;
}
.note {
  font-size: var(--text-sm);
  color: var(--color-secondary);
  margin-top: var(--space-s);
}

/* ---------- Archive switcher ---------- */
.archive {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
  margin-bottom: var(--space-l);
}
.archive__btn {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  min-height: 44px;
  padding: 10px 18px;
  background: transparent;
  color: var(--color-text-on-dark);
  border: 1px solid var(--color-accent-line);
  border-radius: 0;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.archive__btn:hover { background: rgba(201,162,39,0.12); }
.archive__btn.active {
  background: var(--color-primary);
  color: var(--color-bg-dark);
  border-color: var(--color-primary);
}

/* ---------- Text insight & glossary terms ---------- */
.prose { max-width: var(--text-width); }
.prose p {
  font-size: var(--text-md);
  line-height: 1.75;
  color: var(--color-text-muted-on-dark);
  margin-bottom: var(--space-m);
}
.term {
  color: var(--color-primary);
  border-bottom: 1px dotted var(--color-primary);
  cursor: help;
  font-weight: 500;
}
.term:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* Tooltip */
.tooltip {
  position: absolute;
  z-index: 200;
  max-width: 280px;
  background: var(--color-bg-dark-surface);
  border: 1px solid var(--color-accent-line);
  padding: var(--space-m);
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease;
  pointer-events: none;
}
.tooltip.visible { opacity: 1; visibility: visible; pointer-events: auto; }
.tooltip__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  padding-right: 20px;
}
.tooltip__body { font-size: var(--text-sm); line-height: 1.55; color: var(--color-text-on-dark); }
.tooltip__close {
  position: absolute;
  top: 6px; right: 8px;
  width: 24px; height: 24px;
  display: none;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--color-text-muted-on-dark);
  font-size: 18px;
  cursor: pointer;
}

/* ---------- Glossary page ---------- */
.glossary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
  margin-top: var(--space-l);
}
.glossary-nav a {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-accent-line);
  padding: 6px 12px;
}
.glossary-nav a:hover { background: rgba(201,162,39,0.12); }

.glossary-item {
  border-top: 1px solid rgba(212,184,106,0.2);
  padding: var(--space-l) 0;
}
.glossary-item h3 {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-s);
}
.glossary-item p {
  font-size: var(--text-md);
  line-height: 1.7;
  color: var(--color-text-on-dark);
  max-width: var(--text-width);
}
.glossary-item .used-in {
  font-size: var(--text-sm);
  color: var(--color-text-muted-on-dark);
  margin-top: var(--space-s);
  font-style: italic;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-bg-dark);
  border-top: 1px solid rgba(212, 184, 106, 0.18);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
}
.footer__brand {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-on-dark);
}
.footer__brand span { color: var(--color-primary); }
.footer__meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted-on-dark);
  margin-top: var(--space-s);
  letter-spacing: var(--tracking-wide);
}
.footer__disclaimer {
  font-size: var(--text-xs);
  color: var(--color-secondary);
  margin-top: var(--space-l);
  max-width: 720px;
  line-height: 1.6;
}

/* spacing utility for stacked sections */
.section-block + .section-block { margin-top: var(--space-3xl); }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  :root {
    --nav-height-desktop: var(--nav-height-mobile);
  }
  .container { padding-left: var(--gutter-mobile); padding-right: var(--gutter-mobile); }
  .nav { height: var(--nav-height-mobile); }

  .section { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }
  .hero { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }

  .hero h1 { font-size: var(--text-4xl); }
  .page-hero h1 { font-size: var(--text-3xl); }
  .section-heading { font-size: var(--text-2xl); }

  .grid--3, .grid--4 { grid-template-columns: 1fr; }

  /* Mobile nav */
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed;
    top: var(--nav-height-mobile);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg-dark-surface);
    border-bottom: 1px solid var(--color-accent-line);
    padding: var(--space-s) 0;
    transform: translateY(-120%);
    transition: transform 0.28s ease;
    max-height: calc(100vh - var(--nav-height-mobile));
    overflow-y: auto;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__item { width: 100%; }
  .nav__link { display: block; padding: 14px var(--gutter-mobile); }
  .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: 0;
    background: rgba(0,0,0,0.25);
    padding: 0;
  }
  .nav__dropdown a { padding-left: calc(var(--gutter-mobile) + var(--space-m)); }

  .tooltip { max-width: calc(100vw - 40px); }
  .tooltip__close { display: flex; }
}

@media (max-width: 400px) {
  .hero h1 { font-size: var(--text-3xl); }
}