/* ---------- Tokens ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
img { max-width: 100%; display: block; }

:root {
  --ink-900: #0b0b0c;
  --ink-800: #1a1a1c;
  --ink-700: #3a3a3d;
  --ink-500: #6e6e6f;
  --ink-400: #9a9a99;
  --ink-300: #c3c2bd;

  --paper: #ffffff;
  --paper-warm: #f5f4f0;
  --paper-warm-2: #eceae3;
  --line: #e4e2dc;
  --line-strong: #d3d0c8;

  --signal: #2547f0;
  --signal-ink: #0f2bb0;

  --text-on-ink: #f5f4f0;
  --text-on-ink-muted: #9d9d9c;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-text: 'Hanken Grotesk', system-ui, sans-serif;
  --font-mono: 'Space Mono', ui-monospace, monospace;

  --step--1: 0.813rem;
  --step-0: 1rem;
  --step-1: 1.25rem;
  --step-2: 1.625rem;
  --step-3: 2.25rem;
  --step-4: 3.25rem;

  --container: 1200px;
  --container-wide: 1440px;
  --radius-sm: 2px;
  --radius-md: 4px;

  --dur-fast: 140ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-text);
  background: var(--paper-warm);
  color: var(--ink-900);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding-inline: 48px;
}

.wrap--narrow {
  max-width: var(--container);
}

a { color: var(--signal); text-decoration: none; transition: color var(--dur-fast) var(--ease-out); }
a:hover { color: var(--signal-ink); text-decoration: underline; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.12;
  color: var(--ink-900);
}

.eyebrow, .meta-label {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.meta-label--faint { color: var(--ink-400); }

.underline {
  display: inline;
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-text);
  font-weight: 500;
  letter-spacing: -0.005em;
  line-height: 1.1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  padding: 12px 20px;
  font-size: 1rem;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.btn-primary {
  background: var(--ink-900);
  color: var(--text-on-ink);
}

.btn-primary:hover {
  background: var(--ink-800);
  color: var(--text-on-ink);
  text-decoration: none;
}

.btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary:disabled:hover {
  background: var(--ink-900);
}

.btn-secondary {
  background: transparent;
  color: var(--ink-900);
  border-color: var(--ink-900);
}

.btn-secondary:hover {
  background: var(--paper-warm-2);
  color: var(--ink-900);
  text-decoration: none;
}

.btn-sm { padding: 8px 14px; font-size: 0.875rem; }
.btn-lg { padding: 16px 28px; font-size: 1.0625rem; }

.btn-pulse { animation: btn-pulse 2.6s ease-out infinite; }
.btn-pulse:hover { animation-play-state: paused; }

@keyframes btn-pulse {
  0% { box-shadow: 0 0 0 0 rgba(11, 11, 12, 0.35); }
  70% { box-shadow: 0 0 0 10px rgba(11, 11, 12, 0); }
  100% { box-shadow: 0 0 0 0 rgba(11, 11, 12, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .btn-pulse { animation: none; }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper-warm);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 30px 0;
}

.logo-link { display: block; line-height: 0; }
.logo-img {
  height: 52px;
  width: auto;
  /* the mark carries a decorative corner flourish; shift so the lettering (not the flourish) sits flush with the grid */
  transform: translateX(-15%);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a:not(.btn) {
  font-size: 0.9375rem;
  color: var(--ink-500);
  transition: color var(--dur-fast) var(--ease-out);
}

.site-nav a:not(.btn):hover { color: var(--ink-900); text-decoration: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 1px;
  background: var(--ink-900);
  width: 100%;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------- Hero ---------- */
.hero {
  padding: 112px 0 80px;
}

.hero h1 {
  font-size: clamp(2.25rem, 5.6vw, 4.5rem);
  line-height: 1.16;
  letter-spacing: -0.03em;
  max-width: 20ch;
}

.hero-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-top: 40px;
}

.hero-sub {
  max-width: 46ch;
  color: var(--ink-700);
  font-size: var(--step-1);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* ---------- Section shared ---------- */
section { padding: 96px 0; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 32px;
}

.section-head--stack {
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.section-note {
  font-size: var(--step-0);
  color: var(--ink-500);
  max-width: 62ch;
}

/* ---------- Services ---------- */
.services { border-top: 1px solid var(--line); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card {
  background: var(--paper);
  padding: 28px 24px 32px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 20px;
  min-height: 340px;
}

.service-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  color: var(--ink-500);
}

.service-card h3 {
  font-size: var(--step-2);
}

.service-card > p {
  color: var(--ink-700);
}

.service-includes {
  display: grid;
  gap: 8px;
}

.service-includes span:not(.meta-label) {
  color: var(--ink-700);
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

/* ---------- Clients ---------- */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.client-mark {
  background: var(--paper);
  height: 120px;
  display: grid;
  place-items: center;
  padding: 16px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink-900);
  text-align: center;
}

.client-mark--placeholder { color: var(--ink-300); }

/* ---------- Space detail (audiences + table) ---------- */
.space-detail { border-top: 1px solid var(--line); }

.audiences-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 48px;
  margin-bottom: 48px;
}

.audience {
  display: grid;
  gap: 10px;
  align-content: start;
}

.audience .meta-label { color: var(--ink-900); }

.audience p {
  color: var(--ink-500);
}

.table-block { display: grid; gap: 24px; }

.table-head-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 16px;
}

.table-head-row h2 { font-size: var(--step-4); }

.tab-switch {
  display: flex;
  gap: 8px;
  border: 1px solid var(--line);
  padding: 4px;
  background: var(--paper);
  border-radius: var(--radius-sm);
}

.tab-btn {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  padding: 8px 14px;
  border: none;
  cursor: pointer;
  border-radius: 2px;
  background: transparent;
  color: var(--ink-500);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.tab-btn.is-active {
  background: var(--ink-900);
  color: var(--text-on-ink);
}

.table-card {
  border: 1px solid var(--line);
  background: var(--paper);
  overflow-x: auto;
}

.table-row {
  display: grid;
  grid-template-columns: 48px 1.1fr 2fr 0.9fr 0.9fr;
  gap: 24px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  font-size: var(--step-0);
  min-width: 640px;
}

.table-row:last-child { border-bottom: none; }

.table-row--header {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-500);
  padding: 14px 24px;
}

.table-no { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-400); }
.table-item { color: var(--ink-900); }
.table-what { color: var(--ink-500); line-height: 1.5; }
.table-format { font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: 0.08em; color: var(--ink-700); }
.table-owner { color: var(--ink-500); }

/* ---------- Statement panels ---------- */
.panel { padding: 88px 0 96px; }

.panel--ink { background: var(--ink-900); color: var(--text-on-ink); }
.panel--paper { background: var(--paper-warm-2); color: var(--ink-900); }

.panel-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

.panel-head { display: grid; gap: 24px; }

.panel--ink .panel-head .meta-label { color: var(--text-on-ink-muted); }
.panel--paper .panel-head .meta-label { color: var(--ink-500); }

.panel h2 {
  font-size: clamp(2rem, 4.2vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 22ch;
  color: inherit;
}

.panel-copy {
  font-size: var(--step-1);
  line-height: 1.5;
  max-width: 52ch;
  padding-top: 12px;
}

.panel--ink .panel-copy { color: var(--text-on-ink-muted); }
.panel--paper .panel-copy { color: var(--ink-700); }

/* ---------- Contact (mad-lib) ---------- */
.contact { background: var(--paper); }

.madlib-form { margin-top: 40px; }

.madlib {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  line-height: 1.6;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.blank {
  font: inherit;
  letter-spacing: inherit;
  color: var(--ink-900);
  background: var(--paper-warm-2);
  border: none;
  border-bottom: 1px solid var(--ink-900);
  padding: 0 8px;
  outline-offset: 2px;
}

.blank--wide { width: min(280px, 44vw); }
.blank--mid { width: min(200px, 34vw); }

.madlib-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 40px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink-900);
  color: var(--text-on-ink);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 56px;
  padding: 80px 0 0;
}

.footer-brand {
  max-width: 34ch;
  display: grid;
  gap: 20px;
  align-content: start;
}

.footer-logo { height: 40px; width: auto; }

.footer-brand p {
  color: var(--text-on-ink-muted);
}

.footer-columns {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: var(--paper);
  font-size: 0.9375rem;
  opacity: 0.85;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--paper);
  text-decoration: underline;
}

.footer-bottom {
  margin-top: 64px;
  padding: 24px 0 32px;
  border-top: 1px solid var(--ink-800);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-on-ink-muted);
  font-size: var(--step--1);
}

.footer-bottom .meta-label { color: var(--text-on-ink-muted); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .wrap { padding-inline: 32px; }

  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .clients-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .audiences-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panel-inner { grid-template-columns: 1fr; gap: 24px; }
  .panel-copy { max-width: none; }
}

@media (max-width: 640px) {
  .wrap { padding-inline: 20px; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper-warm);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .site-nav.open { max-height: 320px; }

  .site-nav a:not(.btn) {
    width: 100%;
    padding: 1.1rem 20px;
    border-bottom: 1px solid var(--line);
  }

  .site-nav .btn { margin: 16px 20px; }

  .nav-toggle { display: flex; }

  .nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  section { padding: 80px 0; }
  .hero { padding: 80px 0 64px; }

  .hero-foot { align-items: flex-start; }
  .hero-actions { width: 100%; }
  .hero-actions .btn { flex: 1; }

  .services-grid,
  .clients-grid,
  .audiences-grid { grid-template-columns: 1fr; }

  .table-head-row { flex-direction: column; align-items: flex-start; }

  .footer-inner { padding-top: 72px; }
  .footer-bottom { padding: 32px 0 40px; }
  .footer-columns { gap: 40px; }

  .blank--wide { width: min(220px, 60vw); }
  .blank--mid { width: min(160px, 46vw); }
}