/* ============================================================
   Signed by Humans - Compliance Brutalism Design System
   v1.0 - 2026-04-07
   Per architecture: 60-aesthetic-shift-compliance-brutalism.md
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

/* ----- Design Tokens ----- */
:root {
  /* Color */
  --bg:           #FAFAF7;
  --bg-subtle:    #F1F0EA;
  --bg-mono:      #F4F3EE;
  --text:         #16181C;
  --text-muted:   #4A4D54;
  --text-faint:   #7A7D85;
  --rule:         #D8D7CF;
  --rule-strong:  #16181C;
  --accent:       #1E3A5F;
  --accent-hover: #16304F;
  --accent-text:  #FFFFFF;
  --accent-tint:  #E8EFF6;
  --warn:         #8A4A1F;

  /* Type */
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: 'IBM Plex Mono', 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;

  /* Layout */
  --max-width:      1140px;
  --max-width-text: 720px;
  --gutter:         clamp(20px, 4vw, 40px);
  --section-pad:    clamp(56px, 9vw, 112px);
  --nav-height:     64px;
}

/* ----- Base ----- */
body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  font-feature-settings: "kern", "liga", "ss01";
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--accent-hover);
  text-decoration-thickness: 2px;
}

::selection {
  background: var(--accent);
  color: var(--accent-text);
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text);
}

h1 {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.25;
}

h4 {
  font-size: 18px;
  line-height: 1.3;
}

p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
}

p + p {
  margin-top: 1em;
}

.lede {
  font-size: clamp(18px, 1.6vw, 21px);
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 64ch;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  display: inline-block;
}

.muted {
  color: var(--text-muted);
}

.faint {
  color: var(--text-faint);
}

small, .small {
  font-size: 14px;
  line-height: 1.55;
}

code, kbd, samp, pre {
  font-family: var(--mono);
  font-size: 0.92em;
}

code {
  background: var(--bg-mono);
  border: 1px solid var(--rule);
  padding: 1px 6px;
}

pre {
  background: var(--bg-mono);
  border: 1px solid var(--rule);
  padding: 16px 20px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.55;
}

pre code {
  background: transparent;
  border: 0;
  padding: 0;
}

ul, ol {
  padding-left: 1.2em;
}

ul li, ol li {
  margin-bottom: 0.4em;
  line-height: 1.6;
}

ul.plain {
  list-style: none;
  padding-left: 0;
}

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 48px 0;
}

hr.strong {
  border-top: 2px solid var(--rule-strong);
}

blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
  color: var(--text-muted);
  font-style: normal;
}

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

.container-text {
  max-width: var(--max-width-text);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding-top: var(--section-pad);
  padding-bottom: var(--section-pad);
}

.section-tight {
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.section-bordered {
  border-top: 1px solid var(--rule);
}

.section-mono {
  background: var(--bg-subtle);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 860px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.stack-sm > * + * { margin-top: 8px; }
.stack    > * + * { margin-top: 16px; }
.stack-md > * + * { margin-top: 24px; }
.stack-lg > * + * { margin-top: 40px; }

/* ----- Nav ----- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  height: var(--nav-height);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo:hover {
  color: var(--text);
  text-decoration: none;
}

.nav-logo-mark {
  display: inline-block;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--text);
  position: relative;
}

.nav-logo-mark::after {
  content: "S";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  padding: 0;
}

.nav-links li { margin: 0; }

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.005em;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-cta {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-text) !important;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--accent);
  text-decoration: none !important;
}

.nav-cta:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--accent-text) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule);
  padding: 6px 10px;
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
  color: var(--text);
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-block; }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
    padding: 20px var(--gutter);
    gap: 18px;
    align-items: flex-start;
  }
}

/* ----- Hero ----- */
.hero {
  padding-top: clamp(72px, 10vw, 132px);
  padding-bottom: clamp(56px, 9vw, 112px);
  border-bottom: 1px solid var(--rule);
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid var(--rule);
  padding: 6px 12px;
  margin-bottom: 28px;
  background: var(--bg);
}

.hero h1 {
  max-width: 18ch;
}

.hero .lede {
  margin-top: 24px;
  max-width: 60ch;
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

/* ----- Buttons ----- */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 14px 22px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 120ms ease;
}

.btn:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--accent-text);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--rule-strong);
}

.btn-secondary:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.btn-link {
  background: none;
  border: 0;
  padding: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ----- Cards / blocks ----- */
.card {
  border: 1px solid var(--rule);
  background: var(--bg);
  padding: 32px;
}

.card.dense {
  padding: 24px;
}

.card h3 {
  margin-bottom: 12px;
}

.card .eyebrow {
  margin-bottom: 12px;
}

.feature {
  border-top: 2px solid var(--rule-strong);
  padding-top: 24px;
}

.feature .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: block;
}

.feature h3 {
  margin-bottom: 10px;
}

.feature p {
  color: var(--text-muted);
  font-size: 16px;
}

/* ----- Tables ----- */
.table-wrap {
  border: 1px solid var(--rule);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

table th,
table td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

table thead th {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--rule-strong);
}

table tbody tr:last-child td {
  border-bottom: 0;
}

table tbody tr:nth-child(even) td {
  background: var(--bg-subtle);
}

/* ----- Pricing tier card ----- */
.tier {
  border: 1px solid var(--rule);
  background: var(--bg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}

.tier.featured {
  border: 2px solid var(--accent);
  position: relative;
}

.tier.featured::before {
  content: "MOST COMMON";
  position: absolute;
  top: -11px;
  left: 24px;
  background: var(--accent);
  color: var(--accent-text);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 4px 10px;
}

.tier-name {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.tier-price {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.tier-price-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}

.tier-description {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 15px;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}

.tier-features {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  flex-grow: 1;
}

.tier-features li {
  font-size: 14px;
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.tier-features li::before {
  content: "+";
  font-family: var(--mono);
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}

.tier-features li.absent {
  color: var(--text-faint);
}

.tier-features li.absent::before {
  content: "-";
  color: var(--text-faint);
}

.tier .btn {
  margin-top: auto;
  text-align: center;
  width: 100%;
}

/* ----- Evidence / monospace blocks (small inline scaffolding) ----- */
.evidence {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  border: 1px solid var(--rule);
  background: var(--bg-mono);
  padding: 6px 10px;
  display: inline-block;
}

.evidence-block {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
  border: 1px solid var(--rule);
  background: var(--bg-mono);
  padding: 18px 22px;
}

.evidence-block .label {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 6px;
}

/* ----- Callout / advisory ----- */
.callout {
  border-left: 3px solid var(--accent);
  background: var(--accent-tint);
  padding: 18px 22px;
  font-size: 15px;
}

.callout.warn {
  border-left-color: var(--warn);
  background: #FBF1E6;
}

.callout strong {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

/* ----- Numbered process steps ----- */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}

.step-num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent);
  border-right: 1px solid var(--rule);
  padding-right: 24px;
}

.step-body h3 {
  margin-bottom: 8px;
}

.step-body p {
  color: var(--text-muted);
  font-size: 16px;
}

@media (max-width: 640px) {
  .step {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .step-num {
    border-right: 0;
    padding-right: 0;
  }
}

/* ----- Footnotes ----- */
.footnotes {
  font-size: 13px;
  color: var(--text-faint);
  border-top: 1px solid var(--rule);
  padding-top: 16px;
  margin-top: 32px;
}

.footnotes p { font-size: 13px; }

/* ----- Footer ----- */
.footer {
  border-top: 1px solid var(--rule-strong);
  background: var(--bg);
  padding: 56px 0 40px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

.footer-brand {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.footer-tag {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 38ch;
  line-height: 1.55;
}

.footer-col h4 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.footer-bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-faint);
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

.footer-bottom a {
  color: var(--text-faint);
  text-decoration: none;
  margin-left: 16px;
}

.footer-bottom a:hover {
  color: var(--text);
}

/* ----- Utilities ----- */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }
.mt-6 { margin-top: 64px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }
.mb-6 { margin-bottom: 64px; }
.no-wrap { white-space: nowrap; }

/* ----- Print ----- */
@media print {
  .nav, .footer, .hero-actions, .nav-cta { display: none; }
  body { font-size: 11pt; }
}