/* IronNode design system — tokens and component classes. */
@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;700&family=Barlow+Condensed:wght@400;600&display=swap');

:root {
  --color-bg: #f2f2f3;
  --color-surface: #e9e9ea;
  --color-text: #1d1f20;
  --color-accent: #5980a6;
  --color-accent-2: #728fab;
  --color-divider: color-mix(in srgb, #1d1f20 16%, transparent);

  --color-neutral-100: #f5f5f8;
  --color-neutral-200: #e7e7ea;
  --color-neutral-300: #d4d4d7;
  --color-neutral-400: #b7b7ba;
  --color-neutral-500: #98989b;
  --color-neutral-600: #7a7a7d;
  --color-neutral-700: #5d5d60;
  --color-neutral-800: #424244;
  --color-neutral-900: #2b2b2d;

  --color-accent-100: #eef6ff;
  --color-accent-200: #d6ebff;
  --color-accent-300: #b5d9fd;
  --color-accent-400: #94bce3;
  --color-accent-500: #749dc4;
  --color-accent-600: #597ea3;
  --color-accent-700: #416180;
  --color-accent-800: #2c455d;
  --color-accent-900: #1d2d3d;

  --color-accent-2-100: #eef6ff;
  --color-accent-2-200: #d6ebff;
  --color-accent-2-300: #bdd8f2;
  --color-accent-2-400: #9ebbd8;
  --color-accent-2-500: #7e9cb8;
  --color-accent-2-600: #627d98;
  --color-accent-2-700: #486077;
  --color-accent-2-800: #314457;
  --color-accent-2-900: #1f2d3a;

  --font-heading: "Barlow Condensed", system-ui, sans-serif;
  --font-heading-weight: 600;
  --font-body: "Barlow", system-ui, sans-serif;

  --space-1: 3.4px;
  --space-2: 6.8px;
  --space-3: 10.2px;
  --space-4: 13.6px;
  --space-6: 20.4px;
  --space-8: 27.2px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 7px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #2b2b2d 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2b2b2d 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2b2b2d 22%, transparent);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); }

.blueprint {
  position: relative;
  border: 1px solid var(--color-divider);
  border-radius: 0;
}
.blueprint.halftone, .blueprint.plate, .blueprint.duotone { overflow: visible; }
.blueprint > .corner {
  position: absolute; width: 11px; height: 11px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.blueprint > .corner::before, .blueprint > .corner::after {
  content: ""; position: absolute; background: currentColor;
}
.blueprint > .corner::before { left: 5px; top: 0; width: 1px; height: 100%; }
.blueprint > .corner::after  { top: 5px; left: 0; width: 100%; height: 1px; }
.blueprint > .corner.tl { top: -6px; left: -6px; }
.blueprint > .corner.tr { top: -6px; right: -6px; }
.blueprint > .corner.bl { bottom: -6px; left: -6px; }
.blueprint > .corner.br { bottom: -6px; right: -6px; }

.duotone{position:relative;overflow:hidden}
.duotone::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:var(--color-accent);mix-blend-mode:color}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-size: 15px; line-height: 1.55; font-weight: 400; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; }
h2 { font-size: 32px; }
h3 { font-size: 25px; }
h4 { font-size: 20px; }
h5 { font-size: 16px; }
h6 { font-size: 13px; }
h6 { letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption {
  font-size: 11px; margin-top: var(--space-1);
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

.hr {
  height: 1px; border: 0; margin: var(--space-4) 0;
  background: var(--color-divider);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 13px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: calc(var(--space-2) * 0.85) var(--space-3);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); }
.btn-primary:active { background: var(--color-accent-700); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-icon { width: 34px; height: 34px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); }

.tag {
  display: inline-flex; align-items: center; font-size: 11px;
  letter-spacing: 0.02em; padding: 3px 10px;
  border-radius: calc(var(--radius-md) * 0.75);
}
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-accent-2 { background: var(--color-accent-2-100); color: var(--color-accent-2-800); }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent); }

.nav {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-bottom: none;
}
.nav-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 18px; margin-right: auto;
}
.nav a { color: inherit; text-decoration: none; font-size: 14px; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-accent); }

.btn { border: 1px solid var(--color-divider); }
.btn-primary { border-color: var(--color-accent); }
.btn-ghost { border-color: transparent; }