/* Neobrutalism: thick borders, hard offset shadows, bold type — blue palette */

:root {
  --bg: #eef4ff;
  --bg-alt: #3b82f6;
  --ink: #111111;
  --muted: #333333;
  --paper: #ffffff;
  --accent: #2563eb;
  --accent-2: #1d4ed8;
  --accent-3: #93c5fd;
  --border: 3px solid var(--ink);
  --shadow: 3px 3px 0 var(--ink);
  --shadow-sm: 2px 2px 0 var(--ink);
  --shadow-lg: 4px 4px 0 var(--ink);
  --radius: 0;
  --max: 1200px;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background-color: var(--bg);
  line-height: 1.5;
}

a {
  color: var(--ink);
  font-weight: 700;
  text-underline-offset: 3px;
}

a:hover {
  background: var(--accent);
  color: #fff;
}

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

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg-alt);
  border-bottom: var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  font-weight: 900;
  letter-spacing: -0.03em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand:hover {
  background: transparent;
  color: #fff;
}

.brand-mark {
  width: 2.4rem;
  height: 2.4rem;
  border: var(--border);
  box-shadow: var(--shadow-sm);
  display: grid;
  place-items: center;
  background: var(--paper);
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 900;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  align-items: center;
}

.nav-links a {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  border: 2px solid transparent;
  padding: 0.25rem 0.45rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: var(--paper);
  border-color: var(--ink);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.1rem;
  border: var(--border);
  box-shadow: var(--shadow-sm);
  font-weight: 900;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--ink);
  background: var(--paper);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
  cursor: pointer;
}

.btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow);
  background: var(--accent-2);
  color: #fff;
}

.btn:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-2);
  color: #fff;
}

.btn-secondary {
  background: var(--paper);
  color: var(--ink);
}

/* Hero */
.hero {
  padding: 3.5rem 0 2rem;
}

.badge {
  display: none;
}

.hero-panel {
  margin-top: 0;
  padding: 1.5rem 1.6rem 1.6rem;
  background: var(--paper);
  border: var(--border);
  box-shadow: var(--shadow-lg);
  max-width: 920px;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  font-weight: 900;
}

.lead {
  margin: 0 0 1.4rem;
  color: var(--muted);
  font-size: 1.08rem;
  font-weight: 600;
  max-width: 52ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Sections */
section {
  padding: 1.5rem 0 2.25rem;
}

.section-title {
  margin: 0 0 0.4rem;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  letter-spacing: -0.03em;
  text-transform: uppercase;
  font-weight: 900;
  display: inline-block;
  background: var(--bg-alt);
  color: #fff;
  border: var(--border);
  box-shadow: var(--shadow-sm);
  padding: 0.35rem 0.65rem;
}

.section-sub {
  margin: 0.85rem 0 1.15rem;
  color: var(--muted);
  max-width: 60ch;
  font-weight: 600;
}

.grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.card {
  border: var(--border);
  background: var(--paper);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.15rem 1.2rem;
}

.card:nth-child(4n + 1) {
  background: #fff;
}

.card:nth-child(4n + 2) {
  background: #dbeafe;
}

.card:nth-child(4n + 3) {
  background: #bfdbfe;
}

.card:nth-child(4n + 4) {
  background: #eff6ff;
}

.card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.card p,
.card li {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
  font-weight: 600;
}

.card ul {
  margin: 0.55rem 0 0;
  padding-left: 1.1rem;
}

.card li + li {
  margin-top: 0.35rem;
}

.card a {
  font-weight: 900;
  text-decoration: underline;
}

.card a:hover {
  background: var(--ink);
  color: #fff;
}

.mono {
  font-family: var(--mono);
  font-size: 0.95em;
  font-weight: 800;
  background: var(--accent-3);
  border: 2px solid var(--ink);
  padding: 0.1rem 0.35rem;
}

/* Contact */
.contact-box {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: 1.35fr 1fr;
  align-items: stretch;
}

.contact-box .card {
  margin: 0;
  background: var(--accent-3);
}

/* Footer */
.site-footer {
  border-top: var(--border);
  margin-top: 1.5rem;
  padding: 1.25rem 0 2rem;
  background: var(--ink);
  color: #f5f5f5;
  font-size: 0.92rem;
  font-weight: 700;
}

.site-footer .row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  align-items: center;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.site-footer a {
  color: #fff;
  text-decoration: underline;
}

.site-footer a:hover {
  background: var(--accent);
  color: #fff;
}

/* Inner pages */
.page {
  padding: 2.5rem 0 2rem;
}

.page h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
  text-transform: uppercase;
  font-weight: 900;
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 0.4rem 0.7rem;
}

.prose {
  color: var(--muted);
  max-width: 70ch;
  font-weight: 600;
}

.prose h2 {
  color: var(--ink);
  margin: 1.75rem 0 0.5rem;
  font-size: 1.15rem;
  text-transform: uppercase;
  font-weight: 900;
  background: var(--accent-3);
  border: 2px solid var(--ink);
  display: inline-block;
  padding: 0.2rem 0.45rem;
  box-shadow: var(--shadow-sm);
}

.prose p {
  margin: 0 0 0.9rem;
}

.prose ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.prose code {
  font-family: var(--mono);
  font-size: 0.9em;
  font-weight: 800;
  background: var(--paper);
  border: 2px solid var(--ink);
  padding: 0.05rem 0.3rem;
  color: var(--ink);
}

.prose a {
  font-weight: 900;
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }

  .contact-box {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.25rem;
  }
}