/* -----------------------------------------------------
   DIVERGIFY GLOBAL THEME — FINAL POLISHED VERSION
   Applies to main site + Shopify store
------------------------------------------------------ */

:root {
  /* Brand core */
  --color-brand-navy: #0B1F2A;
  --color-muted-blue: #6E9ACB;
  --color-soft-lime: #39E75F;
  --color-action-green: #39E75F;

  /* Surfaces */
  --color-bg: var(--color-brand-navy);
  --color-surface: rgba(255,255,255,0.06);
  --color-surface-strong: rgba(255,255,255,0.10);

  /* Text */
  --color-text: #FFFFFF;
  --color-text-muted: #D7E1EC;
  --color-link: var(--color-muted-blue);

  /* Borders */
  --color-border: rgba(255,255,255,0.18);

  /* Typography */
  --font-heading: "Poppins", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  /* Type scale */
  --text-xs: 12px;
  --text-sm: 14px;
  --text-md: 16px;
  --text-lg: 18px;
  --text-xl: 22px;
  --text-2xl: 28px;
  --text-3xl: 36px;
  --text-4xl: 44px;

  /* Layout */
  --content-width: 1120px;
  --content-pad-x: 20px;

  /* Spacing */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 56px;
  --space-10: 72px;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Motion */
  --anim-fast: 140ms;
  --anim-med: 220ms;
}

/* Base --------------------------------------------------- */

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.6;
  letter-spacing: 0.01em;
  min-height: 100vh;
}

* { box-sizing: border-box; }

a { color: var(--color-link); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

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

/* Accessibility ------------------------------------------ */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #FFFFFF;
  color: var(--color-brand-navy);
  padding: 8px 12px;
  border-radius: 6px;
  z-index: 2000;
}
.skip-link:focus { left: 12px; top: 12px; }

/* Page shell ---------------------------------------------- */

.page-shell {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-7) var(--content-pad-x) var(--space-9);
}

.page-shell.compact { padding-top: var(--space-5); }

/* Headings ------------------------------------------------ */

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
  margin: 0 0 var(--space-3);
}
h1 { font-size: var(--text-4xl); line-height: 1.1; }
h2 { font-size: var(--text-3xl); line-height: 1.2; }
h3 { font-size: var(--text-2xl); line-height: 1.25; }
h4 { font-size: var(--text-xl); line-height: 1.3; }

p { margin: 0 0 var(--space-4); }
.text-muted { color: var(--color-text-muted); }

/* Buttons ------------------------------------------------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--anim-fast) ease, border-color var(--anim-fast) ease, transform var(--anim-fast) ease;
  border: 1px solid transparent;
  min-height: 44px;
  user-select: none;
}

.button-primary {
  background: var(--color-action-green);
  color: var(--color-brand-navy);
  border-color: var(--color-action-green);
}
.button-primary:hover { transform: translateY(-1px); border-color: var(--color-border); text-decoration: none; }

.button-ghost {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.button-ghost:hover { background: var(--color-surface-strong); text-decoration: none; }

/* Header -------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-brand-navy);
  position: sticky;
  top: 0;
  z-index: 1500;
}

.site-header-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-3) var(--content-pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
  font-weight: 700;
}

.brand svg { height: 26px; width: auto; }
.wordmark { height: 26px; width: auto; display: block; }

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.nav a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}
.nav a.active {
  color: var(--color-text);
  background: var(--color-surface);
  border-color: var(--color-border);
  text-decoration: none;
}

.header-right {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

/* Toggle switches ---------------------------------------- */

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.switch {
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  border: 1px solid var(--color-border);
  position: relative;
  cursor: pointer;
  flex: 0 0 auto;
}
.switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #FFFFFF;
  transition: transform var(--anim-fast) ease;
}
.switch[data-on="true"] { background: rgba(57,231,95,0.35); }
.switch[data-on="true"]::after { transform: translateX(18px); }

/* Hero ---------------------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: var(--space-7);
  padding: var(--space-8) 0 var(--space-7);
}

.hero-title {
  margin: var(--space-3) 0 var(--space-4);
  font-size: var(--text-4xl);
  line-height: 1.1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  background: rgba(91,143,168,0.18);
  border: 1px solid var(--color-border);
  width: fit-content;
}

.hero-title .highlight { color: var(--color-action-green); }

.panel {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
}

.kicker {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-7) 0;
}

/* Sections ------------------------------------------------ */

.section {
  padding: var(--space-7) 0;
  border-top: 1px solid var(--color-border);
}

.section:first-of-type {
  border-top: none;
  padding-top: 0;
}

.section h2 { margin-bottom: var(--space-3); }

.section ul {
  margin: 0 0 var(--space-4);
  padding-left: 1.2rem;
  color: var(--color-text-muted);
}

.section p { margin: 0 0 var(--space-3); }

/* Cards --------------------------------------------------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: var(--space-6);
}

.card {
  background: transparent;
  border: none;
  border-left: 2px solid rgba(255,255,255,0.18);
  padding: 0 0 0 var(--space-4);
}

.card h3 { margin-bottom: var(--space-2); }
.card p { margin-bottom: 0; }

/* Divergipedia -------------------------------------------- */

.divergipedia-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: var(--space-6);
}

.dp-index {
  position: sticky;
  top: 86px;
  height: calc(100vh - 110px);
  overflow: auto;
  padding: var(--space-4) var(--space-4) var(--space-4) 0;
  border-left: 1px solid var(--color-border);
}

.dp-index input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(0,0,0,0.12);
  color: var(--color-text);
  outline: none;
  font-size: var(--text-sm);
}

.dp-index a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  border: 1px solid transparent;
}
.dp-index a:hover {
  background: var(--color-surface-strong);
  text-decoration: none;
}
.dp-index a.active {
  background: rgba(57,231,95,0.18);
  border-color: var(--color-border);
  color: var(--color-text);
}

.dp-entry {
  border-bottom: 1px solid var(--color-border);
  padding: 0 0 var(--space-5);
  margin-bottom: var(--space-5);
}

.dp-term {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
}
.dp-term h2 { margin: 0; font-size: var(--text-2xl); }
.dp-definition {
  color: var(--color-text);
  margin-top: var(--space-3);
}

.dp-process {
  color: var(--color-text-muted);
  font-style: italic;
}

/* Footer -------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-7) var(--content-pad-x);
  background: var(--color-brand-navy);
}

.site-footer-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-links {
  display: inline-flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--text-sm);
}

.footer-small {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.easter-egg {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  opacity: 0.9;
}

/* Reduced interference mode -------------------------------- */

body.mode-reduced {
  --anim-fast: 0ms;
  --anim-med: 0ms;
  --color-surface: rgba(0,0,0,0.12);
  --color-surface-strong: rgba(0,0,0,0.18);
}

body.mode-reduced * { transition: none !important; animation: none !important; }

/* Responsive ------------------------------------------------ */

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .divergipedia-shell { grid-template-columns: 1fr; }
  .dp-index { position: relative; top: 0; height: auto; }
}