/* ============================================================
   PAIRS — design tokens & base
   Design language: light, geometric, Swiss-grid. Space Grotesk
   display + Inter body + Space Mono meta. Electric indigo accent.
   (Deliberately distinct from the Paires editorial dark/serif/gold.)
   ============================================================ */

:root {
  /* Core palette */
  --paper: #fafaf8; /* page background */
  --panel: #f1f1ee; /* raised panels / form background */
  --ink: #0e0f1a; /* primary text */
  --ink-soft: #3c3e4d; /* body text */
  --ink-mute: #74768a; /* secondary text */
  --line: #dcdcd6; /* hairline rules */
  --indigo: #3b3aed; /* accent */
  --indigo-deep: #2726c4; /* hover / active */
  --indigo-ghost: #eceafd; /* accent wash */
  --white: #ffffff;

  /* Type */
  --display: "Space Grotesk", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --mono: "Space Mono", ui-monospace, monospace;

  /* Legacy aliases (ported legal pages reference these) */
  --steel: var(--ink);
  --muslin: var(--paper);
  --muslin-2: var(--panel);
  --oak: var(--indigo);
  --serif: var(--display);
  --sans: var(--body);
  --ink-line: var(--line);
  --paper-on-dark: var(--white);
  --paper-on-dark-mute: rgba(255, 255, 255, 0.72);

  --radius: 6px;
  --radius-lg: 10px;
  --container: 1160px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul[role="list"] {
  list-style: none;
  margin: 0;
  padding: 0;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow {
  max-width: 760px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  clip: rect(0 0 0 0);
  overflow: hidden;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--indigo);
  color: #fff;
  padding: 10px 16px;
  z-index: 99;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

/* ---------- Type helpers ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--indigo);
  flex: none;
}

.section-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.section-sub {
  font-size: 17px;
  color: var(--ink-mute);
  max-width: 56ch;
  margin: 0;
}
.section-head {
  margin-bottom: 56px;
}

em {
  font-style: normal;
  color: var(--indigo);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.01em;
  padding: 13px 26px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background 160ms,
    border-color 160ms,
    color 160ms,
    transform 120ms;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--indigo);
  color: #fff;
}
.btn-primary:hover {
  background: var(--indigo-deep);
}
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover {
  border-color: var(--indigo);
  color: var(--indigo);
}
.btn-nav {
  padding: 9px 18px;
  font-size: 14px;
}

/* ============================================================
   NAV
   ============================================================ */
.nav-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  display: inline-flex;
  gap: 3px;
}
.logo-mark i {
  width: 12px;
  height: 12px;
  display: block;
}
.logo-mark i:first-child {
  background: var(--indigo);
}
.logo-mark i:last-child {
  border: 2px solid var(--ink);
}
.logo-word {
  font-family: var(--display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.14em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a:not(.btn) {
  font-size: 14.5px;
  color: var(--ink-soft);
  transition: color 140ms;
}
.nav-links a:not(.btn):hover {
  color: var(--indigo);
}

/* ============================================================
   HERO — light, left-aligned on grid
   ============================================================ */
.hero {
  position: relative;
  padding: 110px 0 120px;
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 28px 28px;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, var(--paper) 96%);
  pointer-events: none;
}
.hero .container {
  position: relative;
  z-index: 1;
}
.hero-headline {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(42px, 6.4vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 28px;
  max-width: 15ch;
}
.hero-headline em {
  color: var(--indigo);
}
.hero-sub {
  font-size: 19px;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 54ch;
  margin: 0 0 40px;
}
.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.hero-micro {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  margin: 0;
}

/* ============================================================
   MANIFESTO
   ============================================================ */
.manifesto {
  padding: 110px 0;
  border-top: 1px solid var(--line);
}
.manifesto-line {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 26ch;
  margin: 0 0 48px;
}
.manifesto-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: start;
}
.manifesto-body {
  font-size: 17.5px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0;
}
.manifesto-list li {
  font-family: var(--display);
  font-weight: 500;
  font-size: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.manifesto-list li:last-child {
  border-bottom: 1px solid var(--line);
}

/* ============================================================
   PILLARS — 2×2 bordered grid
   ============================================================ */
.pillars {
  padding: 110px 0;
  background: var(--white);
  border-top: 1px solid var(--line);
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.pillar {
  background: var(--white);
  padding: 40px 36px 44px;
  transition: background 180ms;
}
.pillar:hover {
  background: var(--indigo-ghost);
}
.pillar-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--indigo);
  letter-spacing: 0.1em;
}
.pillar-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 22px;
  margin: 14px 0 10px;
  letter-spacing: -0.01em;
}
.pillar-body {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0;
}

/* ============================================================
   DIFFERENT — 3 columns, top rules
   ============================================================ */
.different {
  padding: 110px 0;
  border-top: 1px solid var(--line);
}
.different-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.diff {
  border-top: 2px solid var(--ink);
  padding-top: 22px;
}
.diff-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 19px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.diff-body {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0;
}

/* ============================================================
   STANDARD — indigo band
   ============================================================ */
.standard {
  padding: 110px 0;
  background: var(--indigo);
  color: #fff;
}
.standard-line {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 22px;
}
.standard-line em {
  color: #fff;
  border-bottom: 3px solid rgba(255, 255, 255, 0.5);
}
.standard-body {
  font-size: 17.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: 110px 0 90px;
  text-align: left;
}

/* ============================================================
   ACCESS / FORM
   ============================================================ */
.access {
  padding: 40px 0 120px;
}
.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field-full {
  grid-column: 1 / -1;
}
.field label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.field .optional {
  text-transform: none;
  letter-spacing: 0;
}
.field input,
.field select,
.field textarea {
  font-family: var(--body);
  font-size: 15.5px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color 140ms, box-shadow 140ms;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px var(--indigo-ghost);
}
.form-submit {
  grid-column: 1 / -1;
  justify-self: start;
  min-width: 220px;
}
.form-foot {
  grid-column: 1 / -1;
  font-size: 14px;
  color: var(--ink-mute);
  margin: 0;
}
.form-foot a {
  color: var(--indigo);
}
.hp {
  position: absolute;
  left: -9999px;
}

/* ============================================================
   FOOTER — light, ruled
   ============================================================ */
.footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 48px;
  background: var(--paper);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links {
  display: flex;
  gap: 26px;
}
.footer-links a {
  font-size: 14px;
  color: var(--ink-soft);
}
.footer-links a:hover {
  color: var(--indigo);
}
.footer-note {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-mute);
  max-width: 78ch;
  margin: 0;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  margin: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .nav-links a:not(.btn) {
    display: none;
  }
  .manifesto-grid,
  .different-grid,
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .form {
    grid-template-columns: 1fr;
    padding: 28px 22px;
  }
  .hero {
    padding: 72px 0 88px;
  }
  .manifesto,
  .pillars,
  .different,
  .standard,
  .about {
    padding: 72px 0;
  }
}