/* ============================================================
   Atlas360 Press — house stylesheet
   A field-guide / atlas-plate visual language: deep indigo,
   brass gold, parchment paper, hairline cartographic rules.
   ============================================================ */

:root {
  /* ---- color tokens (light) ---- */
  --ink-900: #16233a;      /* headline ink, dusk-indigo */
  --ink-700: #3c4a61;      /* body text, secondary */
  --ink-500: #647089;      /* muted / captions */
  --paper-50: #fbf8f1;     /* page ground */
  --paper-100: #f2ead9;    /* card ground, one step deeper */
  --paper-200: #e8dcc2;    /* hairlines on paper */
  --gold-500: #b07f22;     /* brass / specimen-label accent */
  --gold-600: #8f6519;     /* accent, hover/active */
  --moss-500: #55704f;     /* secondary accent, used sparingly */
  --line: rgba(22, 35, 58, 0.14);
  --shadow: 0 1px 2px rgba(22, 35, 58, 0.06), 0 8px 24px rgba(22, 35, 58, 0.06);

  /* ---- surfaces that swap by theme ---- */
  --bg: var(--paper-50);
  --bg-card: var(--paper-100);
  --text: var(--ink-900);
  --text-muted: var(--ink-700);
  --text-faint: var(--ink-500);
  --accent: var(--gold-500);
  --accent-strong: var(--gold-600);
  --rule: var(--paper-200);
  --hero-bg: var(--ink-900);
  --hero-text: var(--paper-50);
  --hero-line: rgba(251, 248, 241, 0.22);

  /* ---- type ---- */
  --font-display: "Iowan Old Style", "Sitka Text", "Palatino Linotype", Georgia, "Times New Roman", serif;
  --font-body: "Iowan Old Style", Georgia, "Times New Roman", serif;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;

  /* ---- layout ---- */
  --content-w: 1120px;
  --pad-inline: clamp(20px, 5vw, 64px);
  --radius: 3px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1826;
    --bg-card: #16233a;
    --text: #f2ead9;
    --text-muted: #c7cfdd;
    --text-faint: #8b96ab;
    --accent: #d9a63e;
    --accent-strong: #eab857;
    --rule: rgba(242, 234, 217, 0.14);
    --hero-bg: #0a121e;
    --hero-text: #f2ead9;
    --hero-line: rgba(242, 234, 217, 0.18);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

/* explicit overrides (kept for parity / future theme toggle) */
:root[data-theme="dark"] {
  --bg: #0e1826;
  --bg-card: #16233a;
  --text: #f2ead9;
  --text-muted: #c7cfdd;
  --text-faint: #8b96ab;
  --accent: #d9a63e;
  --accent-strong: #eab857;
  --rule: rgba(242, 234, 217, 0.14);
  --hero-bg: #0a121e;
  --hero-text: #f2ead9;
  --hero-line: rgba(242, 234, 217, 0.18);
}
:root[data-theme="light"] {
  --bg: var(--paper-50);
  --bg-card: var(--paper-100);
  --text: var(--ink-900);
  --text-muted: var(--ink-700);
  --text-faint: var(--ink-500);
  --accent: var(--gold-500);
  --accent-strong: var(--gold-600);
  --rule: var(--paper-200);
  --hero-bg: var(--ink-900);
  --hero-text: var(--paper-50);
  --hero-line: rgba(251, 248, 241, 0.22);
}

/* ---- reset ---- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; text-wrap: balance; margin: 0; }

.wrap {
  max-width: var(--content-w);
  margin-inline: auto;
  padding-inline: var(--pad-inline);
}

/* ---- eyebrow / labels ---- */
.eyebrow {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow.on-dark { color: var(--accent); }

/* ---- nav ---- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 18px;
}
.wordmark {
  display: flex;
  align-items: baseline;
  gap: 0.35em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--text);
  white-space: nowrap;
}
.wordmark .press {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.wordmark .mark {
  width: 1.05em;
  height: 1.05em;
  flex: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 32px);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links a { text-decoration: none; color: var(--text-muted); padding-block: 4px; border-bottom: 1px solid transparent; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); }
.nav-links .pill {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 4px 10px;
}

/* ---- hero ---- */
.hero {
  position: relative;
  background: var(--hero-bg);
  color: var(--hero-text);
  overflow: hidden;
}
.hero .wrap {
  position: relative;
  z-index: 2;
  padding-block: clamp(64px, 10vw, 120px) clamp(56px, 8vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}
.hero-rule {
  width: 48px;
  height: 2px;
  background: var(--accent);
}
.hero h1 {
  font-size: clamp(2.5rem, 5.6vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  max-width: 16ch;
}
.hero .lede {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.6;
  color: rgba(251, 248, 241, 0.82);
  max-width: 52ch;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}
.hero-globe {
  position: absolute;
  top: 50%;
  right: clamp(-140px, -4vw, -20px);
  transform: translateY(-50%);
  width: min(560px, 60vw);
  height: min(560px, 60vw);
  opacity: 0.9;
  z-index: 1;
  pointer-events: none;
}
@media (max-width: 720px) {
  .hero-globe { opacity: 0.35; width: 90vw; height: 90vw; right: -30vw; }
}

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--accent);
  color: var(--ink-900);
}
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost {
  border-color: var(--hero-line);
  color: var(--hero-text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-outline {
  border-color: var(--rule);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent-strong); }

/* ---- sections ---- */
section { padding-block: clamp(56px, 8vw, 96px); }
section + section { border-top: 1px solid var(--rule); }
.section-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 62ch;
  margin-bottom: clamp(32px, 5vw, 48px);
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  letter-spacing: -0.005em;
}
.section-head p { color: var(--text-muted); margin: 0; }

/* ---- pillar grid ---- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.pillar {
  background: var(--bg);
  padding: 28px clamp(20px, 3vw, 32px) 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pillar .tag {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.pillar h3 { font-size: 1.2rem; }
.pillar p { margin: 0; color: var(--text-muted); font-size: 0.98rem; }
@media (max-width: 760px) {
  .pillars { grid-template-columns: 1fr; }
}

/* ---- specimen / book card ---- */
.specimen-card {
  position: relative;
  background: var(--bg-card);
  border-top: 3px solid var(--accent);
  box-shadow: var(--shadow);
  padding: clamp(28px, 4vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}
@media (max-width: 800px) {
  .specimen-card { grid-template-columns: 1fr; }
}
.specimen-plate {
  aspect-ratio: 4 / 5;
  background:
    linear-gradient(180deg, transparent 0%, transparent 100%),
    var(--hero-bg);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.specimen-plate .butterfly { width: 62%; height: 62%; }
.specimen-plate .plate-label {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: rgba(251, 248, 241, 0.65);
  display: flex;
  justify-content: space-between;
  font-variant-numeric: tabular-nums;
}
.specimen-copy .catalog {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}
.specimen-copy h3 {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  margin-bottom: 6px;
}
.specimen-copy .subtitle {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--accent-strong);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}
.specimen-copy p { color: var(--text-muted); margin: 0 0 20px; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--moss-500);
  margin-bottom: 16px;
}
.status-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--moss-500);
}
.specimen-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  margin: 0 0 22px;
  padding: 16px 0 0;
  border-top: 1px solid var(--rule);
  font-family: var(--font-ui);
  font-size: 0.8rem;
}
.specimen-facts dt { color: var(--text-faint); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.68rem; margin-bottom: 3px; }
.specimen-facts dd { margin: 0; color: var(--text); font-weight: 600; }
.specimen-facts div { min-width: 100px; }

/* ---- region strip ---- */
.region-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.region-chip {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 6px 12px;
  border: 1px solid var(--rule);
  color: var(--text-muted);
}
.region-chip.active {
  border-color: var(--accent);
  color: var(--accent-strong);
  font-weight: 600;
}

/* ---- future strip ---- */
.future-strip {
  background: var(--bg-card);
  border: 1px dashed var(--rule);
  padding: 28px clamp(20px, 4vw, 36px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.future-strip p { margin: 0; color: var(--text-muted); max-width: 56ch; }
.future-strip strong { color: var(--text); }

/* ---- approach list (about) ---- */
.approach-list {
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 8px;
}
.approach-item {
  background: var(--bg);
  padding: 22px clamp(18px, 3vw, 28px);
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.approach-item .label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  padding-top: 3px;
}
.approach-item p { margin: 0; color: var(--text-muted); }
.approach-item strong { color: var(--text); }
@media (max-width: 620px) {
  .approach-item { grid-template-columns: 1fr; gap: 6px; }
}

.prose { max-width: 68ch; }
.prose p { margin: 0 0 20px; color: var(--text-muted); }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--text); }

/* ---- contact ---- */
.contact-card {
  background: var(--bg-card);
  border-top: 3px solid var(--accent);
  box-shadow: var(--shadow);
  padding: clamp(32px, 5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
}
@media (max-width: 760px) {
  .contact-card { grid-template-columns: 1fr; }
}
.email-block {
  border: 1px solid var(--rule);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.email-block .label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.email-block a {
  font-family: var(--font-display);
  font-size: 1.35rem;
  text-decoration: none;
  color: var(--text);
  border-bottom: 1px solid var(--accent);
  width: fit-content;
}
.email-block a:hover { color: var(--accent-strong); }
.contact-meta { display: flex; flex-direction: column; gap: 22px; }
.contact-meta .item { display: flex; flex-direction: column; gap: 4px; }
.contact-meta .label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.contact-meta p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

/* ---- footer ---- */
.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: 36px;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-faint);
}
.site-footer a { text-decoration: none; color: var(--text-faint); }
.site-footer a:hover { color: var(--accent-strong); }
.footer-domains { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-note { width: 100%; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--rule); font-size: 0.74rem; color: var(--text-faint); }

/* ---- page hero (interior pages, smaller) ---- */
.page-hero .wrap { padding-block: clamp(48px, 7vw, 80px) clamp(36px, 5vw, 56px); gap: 16px; }
.page-hero h1 { font-size: clamp(2rem, 4.2vw, 3rem); max-width: 22ch; }
.page-hero .lede { max-width: 58ch; }