/* ==========================================================================
   Dig Into It — design tokens
   Palette pulled from the site's own "Mineral Menu": strontium red,
   barium green, copper teal, sodium gold. Strata motif = core-sample bands.
   ========================================================================== */

:root {
  /* Brand, sampled from the Dig Into It logo */
  --brand-blue: #345376;
  --brand-blue-deep: #223B57;
  --brand-orange: #C87A3A;
  --brand-orange-light: #DC9F66;

  --bedrock: #1E2A3A;       /* deep navy, from logo blue */
  --bedrock-2: #26344A;
  --stone: #E8E5DD;
  --stone-2: #D8D3C7;
  --paper: #F5F2EB;
  --ink: #1F2730;
  --ink-soft: #586271;
  --ink-on-dark: #EDEFF3;
  --ink-on-dark-soft: #A7B2C2;

  /* Mineral palette — used for post/topic category tags */
  --strontium: #C2401F;
  --barium: #4C7A4A;
  --copper: #2B6E86;
  --gold: #A8842E;

  --radius: 2px;
  --max: 1120px;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--stone);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1.2em; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--copper);
  outline-offset: 2px;
}

/* ---------- Eyebrow / mono labels (instrument-readout feel) ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}
.eyebrow.on-dark { color: var(--ink-on-dark-soft); }

.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  color: var(--mineral, var(--copper));
}
.tag::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mineral, var(--copper));
}
.tag.strontium { --mineral: var(--strontium); }
.tag.barium { --mineral: var(--barium); }
.tag.copper { --mineral: var(--copper); }
.tag.gold { --mineral: var(--gold); }
.tag.townsite { --mineral: #5C7A99; }

/* ---------- Header ---------- */
.site-header {
  background: var(--bedrock);
  color: var(--ink-on-dark);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid #2E3E54;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-style: italic;
  font-size: 22px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink-on-dark);
}
.logo svg { flex-shrink: 0; }
.logo img.logo-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: var(--paper);
  border-radius: 8px;
  padding: 4px;
  object-fit: contain;
}

.nav {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav a {
  text-decoration: none;
  color: var(--ink-on-dark-soft);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav a:hover, .nav a[aria-current="page"] {
  color: var(--ink-on-dark);
  border-color: var(--brand-orange);
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--ink-on-dark-soft);
  color: var(--ink-on-dark);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .nav {
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--bedrock);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid #2E3E54;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 28px; border-bottom: 1px solid #2A3950; width: 100%; }
}

/* ---------- Strata / core-sample graphic (signature element) ---------- */
.strata {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #00000022;
}
.strata > span { display: block; width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--bedrock);
  color: var(--ink-on-dark);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 40%;
  z-index: 0;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(20,28,40,0.94) 0%, rgba(20,28,40,0.82) 38%, rgba(20,28,40,0.30) 70%, rgba(20,28,40,0.10) 100%),
    linear-gradient(0deg, rgba(20,28,40,0.55) 0%, rgba(20,28,40,0) 45%);
}
.hero .wrap {
  position: relative;
  z-index: 2;
  display: block;
  padding-top: 96px;
  padding-bottom: 96px;
}
.hero-inner { max-width: 620px; }
.hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.35);
}
.hero h1 em {
  font-style: italic;
  color: var(--brand-orange-light);
}
.hero p.lede {
  font-size: 18px;
  color: rgba(255,255,255,0.88);
  max-width: 46ch;
  text-shadow: 0 1px 14px rgba(0,0,0,0.4);
}
@media (max-width: 860px) {
  .hero .wrap { padding-top: 64px; padding-bottom: 64px; }
  .hero-bg { object-position: 64% 40%; }
  .hero-scrim {
    background: linear-gradient(0deg, rgba(20,28,40,0.92) 0%, rgba(20,28,40,0.55) 55%, rgba(20,28,40,0.45) 100%);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--brand-orange);
  color: var(--ink-on-dark);
  background: var(--brand-orange);
  transition: opacity 0.15s ease;
}
.btn:hover { opacity: 0.85; }
.btn.ghost {
  background: transparent;
  border-color: var(--ink-on-dark-soft);
  color: var(--ink-on-dark);
}
.btn.ghost:hover { border-color: var(--ink-on-dark); }

/* ---------- Sections ---------- */
section { padding: 76px 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.section-head h2 { font-size: clamp(26px, 3.4vw, 36px); }
.see-all {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--copper);
  border-bottom: 1px solid var(--copper);
  padding-bottom: 2px;
}

/* ---------- Topic / post cards ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--paper);
  border: 1px solid var(--stone-2);
  border-radius: var(--radius);
  padding: 26px;
  border-left: 3px solid var(--mineral, var(--copper));
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card.strontium { --mineral: var(--strontium); }
.card.barium { --mineral: var(--barium); }
.card.copper { --mineral: var(--copper); }
.card.gold { --mineral: var(--gold); }
.card.townsite { --mineral: #5C7A99; }

.card h3 { font-size: 21px; }
.card p { color: var(--ink-soft); margin-bottom: 0; font-size: 15.5px; }

.post-card {
  text-decoration: none;
  color: var(--ink);
}
.post-card .meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}
.post-card h3 { margin-top: 4px; }
.post-card .excerpt {
  color: var(--ink-soft);
  font-size: 15px;
}
.post-card .strata-thumb {
  height: 8px;
  margin-bottom: 18px;
}

/* ---------- About / Contact bands ---------- */
.band-dark {
  background: var(--bedrock);
  color: var(--ink-on-dark);
}
.band-dark .ink-soft, .band-dark p { color: var(--ink-on-dark-soft); }
.band-dark h2 { color: var(--ink-on-dark); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-photo img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid #3A4A62;
}
@media (max-width: 760px) {
  .about-grid { grid-template-columns: 1fr; }
}

.mineral-key {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- Forms ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; }
}
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 500px) { form .row { grid-template-columns: 1fr; } }

label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 18px 0 6px;
}
input, textarea {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--stone-2);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
}
input:focus, textarea:focus { border-color: var(--copper); }
textarea { resize: vertical; min-height: 120px; }

.submit-row { margin-top: 22px; }
.btn-solid {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 13px 24px;
  background: var(--brand-orange);
  color: var(--ink-on-dark);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}
.btn-solid:hover { opacity: 0.88; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bedrock);
  color: var(--ink-on-dark-soft);
  padding: 46px 0 32px;
  font-size: 14px;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.social { display: flex; gap: 16px; }
.social a {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border: 1px solid #3A4A62;
  border-radius: 50%;
  color: var(--ink-on-dark-soft);
  transition: border-color 0.15s ease, color 0.15s ease;
}
.social a:hover { border-color: var(--brand-orange); color: var(--ink-on-dark); }
.social svg { width: 16px; height: 16px; }

/* ---------- Article page ---------- */
.post-hero {
  position: relative;
  background: var(--bedrock);
  color: var(--ink-on-dark);
  overflow: hidden;
}
.post-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  z-index: 0;
}
.post-hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(0deg, rgba(20,28,40,0.92) 0%, rgba(20,28,40,0.62) 45%, rgba(20,28,40,0.55) 100%);
}
.post-hero .wrap {
  position: relative;
  z-index: 2;
  padding: 64px 28px 48px;
}
.post-hero .meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255,255,255,0.82);
  letter-spacing: 0.04em;
  margin-top: 10px;
}
.post-hero h1 {
  font-size: clamp(28px, 4.4vw, 44px);
  max-width: 18ch;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

/* image thumbnail used on Stories / Videos / related cards */
.thumb-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 16px;
  display: block;
}

article.body-copy {
  max-width: 72ch;
  margin: 0 auto;
  padding: 56px 28px 20px;
  font-size: 18px;
}
article.body-copy h2 { font-size: 22px; margin-top: 1.6em; }
article.body-copy strong { color: var(--ink); }
article.body-copy ul, article.body-copy ol { padding-left: 1.3em; }
article.body-copy li { margin-bottom: 0.6em; }
article.body-copy figure {
  margin: 2em 0;
}
article.body-copy .video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 2em 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
}
article.body-copy .video-embed.vertical {
  aspect-ratio: 9 / 16;
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}
article.body-copy .video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
article.body-copy figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  display: block;
}
article.body-copy figcaption {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 8px;
}
article.body-copy blockquote {
  border-left: 3px solid var(--mineral, var(--copper));
  margin: 1.6em 0;
  padding-left: 1.2em;
  font-style: italic;
  color: var(--ink-soft);
}

.related {
  background: var(--paper);
  padding: 56px 0 70px;
  border-top: 1px solid var(--stone-2);
}

/* ---------- Page hero (Stories / Videos) ---------- */
.page-hero {
  background: var(--bedrock);
  color: var(--ink-on-dark);
  padding: 58px 0;
}
.page-hero h1 { color: var(--ink-on-dark); font-size: clamp(32px, 5vw, 48px); }
.page-hero p { color: var(--ink-on-dark-soft); max-width: 56ch; font-size: 17px; margin-bottom: 0; }

.video-card { background: var(--paper); border: 1px solid var(--stone-2); border-radius: var(--radius); overflow: hidden; }
.video-card .v-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}
.video-card .v-body { padding: 22px; }
.video-card h3 { font-size: 19px; margin-bottom: 8px; }
.video-card p { font-size: 14.5px; color: var(--ink-soft); }
.video-card .btn { margin-top: 6px; padding: 9px 16px; font-size: 11.5px; }