/* ===================================================
   Parkinator — Design tokens
   =================================================== */
:root {
  --ink: #16213A;
  --ink-soft: #2B3A57;
  --paper: #F7F8FA;
  --paper-alt: #EEF0F3;
  --slate: #5B6472;
  --line: #DCE0E6;
  --signal: #1E6F5C;
  --signal-soft: #E4F0EC;
  --signal-ink: #123D32;

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --max-w: 1120px;
  --gutter: clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--signal);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1.1em; color: var(--ink-soft); }
p.lede { font-size: 1.2rem; color: var(--ink-soft); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
  display: flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 1em;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--signal);
  display: inline-block;
}

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

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand-mark { width: 30px; height: 30px; flex-shrink: 0; }

.nav-links {
  display: flex;
  gap: clamp(16px, 3vw, 36px);
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.nav-links a {
  color: var(--ink-soft);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  text-decoration: none;
  border-bottom-color: var(--signal);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  color: var(--ink);
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 8px var(--gutter) 20px;
    gap: 4px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; width: 100%; border-bottom: 1px solid var(--paper-alt); }
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(56px, 9vw, 112px) 0 clamp(40px, 6vw, 72px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(32px, 6vw, 64px);
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero-visual {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  padding: 20px;
}

.cta-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 1.6em; }
.btn {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 12px 22px;
  border-radius: 4px;
  display: inline-block;
  border: 1px solid var(--ink);
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--signal-ink); border-color: var(--signal-ink); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink); }

/* ---------- Sections ---------- */
section { padding: clamp(48px, 8vw, 88px) 0; }
.section-alt { background: var(--paper-alt); }
.section-head { max-width: 640px; margin-bottom: 2.2em; }

.divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---------- Cards / grids ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
@media (max-width: 780px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 4px;
  padding: 28px;
}
.card .tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--signal);
  background: var(--signal-soft);
  padding: 3px 8px;
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 0.9em;
}
.card p:last-child { margin-bottom: 0; }

.stat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 5vw, 56px);
  font-family: var(--font-mono);
}
.stat-strip .stat-value {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--ink);
}
.stat-strip .stat-label {
  font-size: 0.8rem;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- List / process ---------- */
.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.process-list li {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
}
@media (max-width: 600px) {
  .process-list li { grid-template-columns: 1fr; gap: 6px; }
}
.process-list .marker {
  font-family: var(--font-mono);
  color: var(--signal);
  font-size: 0.85rem;
}
.process-list h3 { margin-bottom: 0.3em; }
.process-list p { margin-bottom: 0; }

/* ---------- Quote / callout ---------- */
.callout {
  border-left: 3px solid var(--signal);
  padding: 4px 0 4px 24px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--ink);
  margin: 1.6em 0;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--slate);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-grid a { color: var(--slate); }
.footer-grid a:hover { color: var(--signal); }

/* ---------- Contact form ---------- */
.contact-form {
  display: grid;
  gap: 18px;
  max-width: 560px;
}
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate);
  margin-bottom: 6px;
}
.field input,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
}
.field input:focus,
.field textarea:focus {
  border-color: var(--signal);
}
.field textarea { resize: vertical; min-height: 140px; }

.contact-direct {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 4px;
  padding: 28px;
}
.contact-direct .big-link {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
}

.page-hero {
  padding: clamp(48px, 8vw, 80px) 0 clamp(24px, 4vw, 40px);
}