/* ──────────────────────────────────────────────────────────
   nexusLab — "Quiet Authority"
   Editorial system, designed from scratch.
   Bone · Ink · Slate · Ember
────────────────────────────────────────────────────────── */

:root{
  --bone:        #F4F1EC;
  --bone-deep:   #ECE7DE;
  --paper:       #FBF9F5;
  --ink:         #0E0E0C;
  --ink-soft:    #1A1A18;
  --slate:       #4A4742;
  --slate-soft:  #76726B;
  --hairline:    #D8D2C7;
  --hairline-2:  #E5E0D6;
  --ember:       #B8541E;
  --ember-soft:  #E8B999;

  --serif: "Fraunces", "Times New Roman", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --container: 1240px;
  --gutter: 32px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}
img{ max-width: 100%; display: block; }

/* Hard rule: logo proportion is never altered. */
img[src*="logo"], img[src*="AF_LOGO"]{
  width: auto !important;
  max-width: none;
  object-fit: contain;
}
a{ color: inherit; text-decoration: none; }
sup{ font-size: 0.65em; vertical-align: super; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ───────── Selection ───────── */
::selection{ background: var(--ember); color: var(--bone); }

/* Account for fixed nav when scrolling to anchors */
html{ scroll-padding-top: 80px; }

/* ───────── Nav ───────── */
.nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(244, 241, 236, 0.78);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  z-index: 50;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.nav.scrolled{
  border-bottom-color: var(--hairline);
  background: rgba(244, 241, 236, 0.94);
}
.nav-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand{ display: inline-flex; align-items: center; }
.brand-mark{ height: 24px; width: auto; }

.nav-links{
  display: flex; align-items: center; gap: 28px;
}
.nav-links a{
  font-family: var(--sans);
  font-size: 13px;
  color: var(--slate);
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  transition: color 0.2s ease;
}
.nav-links a:hover{ color: var(--ink); }
.nav-links .num{
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ember);
  letter-spacing: 0;
}
.nav-cta{
  border: 1px solid var(--ink);
  padding: 9px 16px;
  border-radius: 999px;
  font-weight: 500;
  color: var(--ink) !important;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-cta:hover{
  background: var(--ink);
  color: var(--bone) !important;
}

/* ───────── Type primitives ───────── */
.kicker{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 56px;
}
.dot{
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 0 4px rgba(184, 84, 30, 0.15);
}

.section-label{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 56px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
}
.section-label span{
  color: var(--ember);
}
.section-label--accent{ color: var(--ember); }

.muted{ color: var(--slate); font-style: normal; }

/* ───────── Hero ───────── */
.hero{
  position: relative;
  padding: 180px 0 120px;
  border-bottom: 1px solid var(--hairline);
}
.display{
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 144, "SOFT" 30;
  font-size: clamp(44px, 7.4vw, 108px);
  line-height: 1.0;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 0 48px;
  max-width: 14ch;
}
.display em{
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  color: var(--ember);
}

.hero-grid{
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 80px;
  align-items: start;
  padding-top: 32px;
  border-top: 1px solid var(--hairline);
}
.hero-lede{
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 24;
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  max-width: 56ch;
}
.hero-lede strong{ font-weight: 600; color: var(--ink); }

.hero-meta{
  border-left: 1px solid var(--hairline);
  padding-left: 28px;
}
.meta-row{
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
  margin: 0 0 18px;
}
.meta-label{
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 4px;
}

.hero-actions{
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 80px;
  flex-wrap: wrap;
}

.btn-link{
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-variation-settings: "opsz" 24, "SOFT" 50;
  font-size: 26px;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 6px;
  transition: color 0.2s ease, border-color 0.2s ease, gap 0.25s ease;
}
.btn-link:hover{
  color: var(--ember);
  border-color: var(--ember);
  gap: 22px;
}
.btn-arrow{
  font-family: var(--sans);
  font-style: normal;
  font-weight: 400;
  font-size: 22px;
  color: var(--ember);
  transition: transform 0.25s ease;
}
.btn-link:hover .btn-arrow{ transform: translateX(4px); }

.btn-ghost{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
  padding: 4px 0;
  border-bottom: 1px solid var(--hairline);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.btn-ghost:hover{ color: var(--ink); border-color: var(--ink); }

.hero-rule{
  position: absolute;
  bottom: 40px; left: 0; right: 0;
  display: flex; align-items: center; gap: 18px;
  padding: 0 var(--gutter);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--slate-soft);
  text-transform: uppercase;
}
.hero-rule .hr{
  flex: 1; height: 1px; background: var(--hairline);
}

/* ───────── Sections ───────── */
.section{
  padding: 140px 0;
  position: relative;
}
.section-warm{ background: var(--paper); border-block: 1px solid var(--hairline); }

.h2{
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 96, "SOFT" 40;
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.018em;
  color: var(--ink);
  margin: 0 0 32px;
  max-width: 22ch;
}
.h2 em{
  font-style: italic;
  color: var(--ember);
  font-variation-settings: "opsz" 96, "SOFT" 100;
}

.lead-narrow{
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 24;
  font-size: clamp(18px, 1.6vw, 21px);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 56px;
}
.lead-narrow strong{ font-weight: 600; color: var(--ink); }

.lead{
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 24;
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 24px;
}

/* ───────── Manifesto (dark) ───────── */
.dark{
  background: var(--ink);
  color: var(--bone);
  padding: 140px 0;
}
.dark .section-label{
  color: var(--bone-deep);
  border-top-color: rgba(255,255,255,0.1);
}
.dark .section-label span{ color: var(--ember-soft); }

.manifesto{
  font-family: var(--serif);
  font-weight: 300;
  font-variation-settings: "opsz" 144, "SOFT" 60;
  font-size: clamp(28px, 3.6vw, 52px);
  line-height: 1.25;
  letter-spacing: -0.012em;
  margin: 0 0 64px;
  color: var(--bone);
  max-width: 24ch;
}
.manifesto em{
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  color: var(--ember-soft);
}
.manifesto-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.m-num{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ember-soft);
  letter-spacing: 0.06em;
  margin: 0 0 16px;
}
.m-text{
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 24;
  font-size: 18px;
  line-height: 1.55;
  color: var(--bone-deep);
  margin: 0;
}
.m-text strong{ color: var(--bone); font-weight: 600; }

/* ───────── Method – Axes ───────── */
.axes{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto 1fr;
  column-gap: 48px;
  row-gap: 24px;
  border-top: 1px solid var(--hairline);
  padding-top: 56px;
}
.axis{
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 3;
  gap: 0;
  padding: 0;
  border-top: 0;
  align-items: start;
}
.axis-head{ display: contents; }
.axis-body{ display: contents; }
.axis:last-child{ border-bottom: 0; }

.axis-name{
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 96, "SOFT" 30;
  font-size: clamp(28px, 2.4vw, 38px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}
.axis-body{
  /* Wrapper kept for semantic structure; layout handled by .axes subgrid. */
}
.ticks{
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  border-top: 1px solid var(--hairline);
}
.ticks li{
  font-family: var(--sans);
  font-size: 14px;
  color: var(--slate);
  padding: 14px 0 14px 28px;
  border-bottom: 1px solid var(--hairline-2);
  position: relative;
}
.ticks li::before{
  content: "→";
  position: absolute;
  left: 0; top: 14px;
  color: var(--ember);
  font-family: var(--mono);
  font-size: 12px;
}

/* ───────── Program arc ───────── */
.arc{
  list-style: none;
  padding: 0;
  margin: 0 0 56px;
  counter-reset: arc;
}
.arc-step{
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  padding: 56px 0;
  border-top: 1px solid var(--hairline);
  align-items: start;
}
.arc-step:last-child{ border-bottom: 1px solid var(--hairline); }

.arc-step header{}
.arc-no{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ember);
  display: block;
  margin: 0 0 6px;
}
.arc-when{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ember);
  margin: 0 0 16px;
}
.arc-title{
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 96, "SOFT" 30;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1;
  letter-spacing: -0.018em;
  color: var(--ink);
  margin: 0;
}
.arc-body{ max-width: 60ch; }
.arc-body p{
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 24;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 18px;
}
.arc-deliverable{
  font-family: var(--mono) !important;
  font-size: 12px !important;
  color: var(--slate) !important;
  letter-spacing: 0.02em;
  padding: 16px 18px !important;
  background: var(--bone-deep);
  border-left: 2px solid var(--ember);
  margin-top: 16px !important;
}
.arc-deliverable span{
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ember);
  margin-right: 10px;
}

/* Arc gate — client decision point between Phase 01 and Phases 02–04 */
.arc-prelude{ margin-bottom: 0; }
.arc-prelude .arc-step:last-child{ border-bottom: none; }
.arc-continued .arc-step:first-child{ border-top: none; }

.arc-gate{
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  padding: 40px 0;
  border-top: 1px solid var(--ember);
  border-bottom: 1px solid var(--ember);
  align-items: center;
}
.arc-gate-eyebrow{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ember);
  text-transform: uppercase;
  margin: 0;
}
.arc-gate-eyebrow span{ margin-right: 6px; }
.arc-gate-text{
  font-family: var(--serif);
  font-style: italic;
  font-weight: 350;
  font-variation-settings: "opsz" 36;
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
  margin: 0;
  max-width: 60ch;
}

.footnote{
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
  background: var(--bone-deep);
  padding: 24px 28px;
  border-left: 2px solid var(--ember);
  max-width: 60ch;
  margin: 0;
}
.footnote strong{ color: var(--ink); font-weight: 600; }

/* ───────── Ecosystem instruments table ───────── */
.instruments{
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 72px;
}
.instruments tr{
  border-top: 1px solid var(--hairline);
}
.instruments tr:last-child{ border-bottom: 1px solid var(--hairline); }
.instruments th, .instruments td{
  padding: 32px 24px 32px 0;
  text-align: left;
  vertical-align: top;
  font-weight: normal;
}
.instruments th{ width: 100px; padding-left: 0; }
.inst-mark{
  display: inline-flex;
  align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  width: 56px; height: 56px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  color: var(--ink);
}
.instruments h4{
  font-family: var(--serif);
  font-weight: 400;
  font-variation-settings: "opsz" 36;
  font-size: 24px;
  line-height: 1.1;
  margin: 0 0 8px;
  color: var(--ink);
}
.instruments td p{
  font-size: 14px;
  line-height: 1.6;
  color: var(--slate);
  margin: 0;
  max-width: 48ch;
}
.inst-when{
  font-family: var(--sans);
  font-size: 13px;
  color: var(--slate);
  width: 280px;
  border-left: 1px solid var(--hairline);
  padding-left: 24px !important;
}
.inst-when em{ color: var(--ember); font-style: normal; font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; display: block; margin-bottom: 6px; }
.inst-when strong{ color: var(--ink); }

.inst-current{ background: var(--bone-deep); }
.inst-current .inst-mark{
  background: var(--ember);
  border-color: var(--ember);
  color: var(--bone);
}

/* ───────── Stats ───────── */
.subhead{
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 48;
  font-size: clamp(24px, 2.6vw, 36px);
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 0 0 48px;
}
.stats{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.stat{
  padding: 32px 24px 32px 0;
  border-right: 1px solid var(--hairline);
}
.stat:last-child{ border-right: none; }
.stat-fig{
  font-family: var(--serif);
  font-weight: 300;
  font-variation-settings: "opsz" 144, "SOFT" 60;
  font-size: clamp(56px, 6vw, 84px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
  display: block;
  margin-bottom: 16px;
}
.stat-fig small{
  font-size: 0.5em;
  color: var(--ember);
  margin-left: 2px;
  font-variation-settings: "opsz" 96;
}
.stat-cap{
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.55;
  color: var(--slate);
  margin: 0;
}
.source{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--slate-soft);
  margin: 24px 0 0;
}

/* ───────── Close (Contact) ───────── */
.section-close{
  background: var(--paper);
  border-top: 1px solid var(--hairline);
}
.close-grid{
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 96px;
  align-items: start;
}
.close-display{ font-size: clamp(40px, 5.6vw, 76px); margin-bottom: 32px; max-width: 16ch; }

.close-card{
  background: var(--ink);
  color: var(--bone);
  padding: 56px 48px;
  border-radius: 4px;
  position: sticky;
  top: 120px;
}
.close-step{
  display: flex;
  align-items: baseline;
  gap: 18px;
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 24;
  font-size: 18px;
  line-height: 1.5;
  color: var(--bone-deep);
  margin: 0 0 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.close-step:nth-of-type(3){ border-bottom: none; margin-bottom: 36px; }
.close-step span{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ember-soft);
  flex-shrink: 0;
  width: 24px;
}
.btn-solid{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ember);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  padding: 18px 24px;
  border-radius: 999px;
  transition: background 0.2s ease, transform 0.2s ease;
}
.btn-solid:hover{
  background: var(--bone);
  color: var(--ink);
  transform: translateY(-1px);
}
.close-meta{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--bone-deep);
  margin: 24px 0 0;
  opacity: 0.7;
}
.close-meta-link{
  color: var(--ember-soft);
  border-bottom: 1px solid currentColor;
  transition: opacity 0.2s ease;
}
.close-meta-link:hover{ opacity: 0.85; }

/* ───────── Footer ───────── */
.foot{
  background: var(--ink);
  color: var(--bone-deep);
  padding: 80px 0 32px;
}
.foot-inner{
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 80px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.foot-mark{
  height: 28px; width: auto;
  margin-bottom: 18px;
  filter: invert(1);
}
.foot-brand p{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--slate-soft);
  text-transform: uppercase;
  margin: 0;
  max-width: 32ch;
  line-height: 1.7;
}
.foot-cols{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.foot-h{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ember-soft);
  margin: 0 0 18px;
}
.foot-cols a{
  display: block;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--bone-deep);
  margin-bottom: 10px;
  transition: color 0.2s ease;
}
.foot-cols a:hover{ color: var(--bone); }

.foot-rule{
  display: flex;
  justify-content: space-between;
  padding: 24px var(--gutter) 0;
  max-width: var(--container);
  margin: 0 auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--slate-soft);
  letter-spacing: 0.04em;
}

/* ───────── FAQ ───────── */
.section-faq{
  background: var(--paper);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.faq-grid{
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 80px;
  align-items: start;
}
.faq-head{
  position: sticky;
  top: 96px;
}
.faq-head .h2{ margin: 0 0 24px; }
.faq-lede{ margin: 0; }

.faq-list{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline);
}
.faq-item{
  border-bottom: 1px solid var(--hairline);
}
.faq-item details{
  width: 100%;
}
.faq-item summary{
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 56px 1fr 32px;
  gap: 20px;
  align-items: baseline;
  padding: 24px 4px;
  transition: background 0.2s ease;
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary:hover{ background: rgba(184, 84, 30, 0.04); }

.faq-no{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--slate-soft);
  letter-spacing: 0.06em;
  padding-top: 4px;
}
.faq-q{
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.faq-toggle{
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 300;
  color: var(--ember);
  text-align: right;
  line-height: 1;
  transition: transform 0.25s ease;
}
.faq-item details[open] .faq-toggle{
  transform: rotate(45deg);
}
.faq-item details[open] summary{
  background: rgba(184, 84, 30, 0.04);
}

.faq-a{
  padding: 0 32px 28px 76px;
}
.faq-a p{
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--slate);
  margin: 0;
  max-width: 62ch;
}
.faq-a p strong{ color: var(--ink); font-weight: 600; }
.faq-a a.inline-link{
  color: var(--ember);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.faq-a a.inline-link:hover{ color: var(--ink); }

.faq-foot{
  grid-column: 2;
  margin: 56px 0 0;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--slate-soft);
}
.faq-foot .inline-link{
  color: var(--ember);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  margin-left: 4px;
}
.faq-foot .inline-link:hover{ color: var(--ink); }

/* ───────── Responsive ───────── */
@media (max-width: 960px){
  .nav-links a:not(.nav-cta){ display: none; }
  .hero{ padding: 140px 0 100px; }
  .hero-grid{ grid-template-columns: 1fr; gap: 40px; }
  .hero-meta{ border-left: none; border-top: 1px solid var(--hairline); padding: 28px 0 0; }
  .hero-actions{ flex-direction: column; align-items: flex-start; gap: 24px; }
  .section{ padding: 32px 0; }
  .dark{ padding: 32px 0; }
  .hero{ padding: 100px 0 56px; }
  .section-label{ padding-top: 8px; margin-bottom: 16px; }
  .manifesto-grid{ grid-template-columns: 1fr; gap: 0; padding-top: 0; border-top: 0; }
  .manifesto-grid > div{ padding: 32px 0; border-top: 1px solid rgba(255,255,255,0.12); }
  .manifesto-grid > div:last-child{ border-bottom: 1px solid rgba(255,255,255,0.12); }
  .axes{ grid-template-columns: 1fr; grid-template-rows: none; gap: 0; padding-top: 0; border-top: 0; }
  .axis{ grid-template-rows: none; grid-row: auto; gap: 24px; padding: 40px 0; border-top: 1px solid var(--hairline); }
  .axis:last-child{ border-bottom: 1px solid var(--hairline); }
  .arc-step{ grid-template-columns: 1fr; gap: 24px; padding: 40px 0; }
  .arc-gate{ grid-template-columns: 1fr; gap: 16px; padding: 28px 0; }
  .arc-gate-text{ font-size: 18px; }
  .stats{ grid-template-columns: repeat(2, 1fr); }
  .stat{ padding: 24px 16px 24px 0; }
  .stat:nth-child(2){ border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2){ border-bottom: 1px solid var(--hairline); }
  .instruments{ display: block; }
  .instruments tr{ display: grid; grid-template-columns: 80px 1fr; gap: 16px; padding: 24px 0; }
  .instruments th, .instruments td{ padding: 0; }
  .inst-when{ grid-column: 1 / -1; border-left: none; padding-left: 0 !important; padding-top: 16px; border-top: 1px solid var(--hairline); }
  .close-grid{ grid-template-columns: 1fr; gap: 48px; }
  .close-card{ position: static; padding: 40px 28px; }
  .faq-grid{ grid-template-columns: 1fr; gap: 48px; }
  .faq-head{ position: static; }
  .faq-foot{ grid-column: 1; }
  .faq-item summary{ grid-template-columns: 40px 1fr 24px; gap: 14px; padding: 20px 2px; }
  .faq-q{ font-size: 19px; }
  .faq-toggle{ font-size: 24px; }
  .faq-a{ padding: 0 8px 24px 54px; }
  .faq-a p{ font-size: 15px; }
  .foot-inner{ grid-template-columns: 1fr; gap: 48px; }
  .foot-cols{ grid-template-columns: 1fr 1fr; }
  .foot-rule{ flex-direction: column; gap: 8px; }
}

/* ───────── Free website audit (lead magnet) ───────── */
.first-read-grid{
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 96px;
  align-items: start;
}
.first-read-copy .h2{ margin-top: 0; }
.first-read-copy .lead-narrow{ margin-top: 28px; }

.first-read-bullets{
  list-style: none;
  padding: 0;
  margin: 40px 0 28px;
  border-top: 1px solid var(--hairline);
}
.first-read-bullets li{
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
}
.frb-num{
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ember);
  letter-spacing: 0.06em;
}
.first-read-fineprint{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--slate-soft);
  text-transform: none;
  margin: 0;
  line-height: 1.7;
  max-width: 38ch;
}

/* Form */
.first-read-form-wrap{
  position: sticky;
  top: 120px;
}
.first-read-form{
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 40px 36px;
  display: grid;
  gap: 18px;
}
.form-eyebrow{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hairline);
}
.form-optional{
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--slate-soft);
  text-transform: none;
  margin-left: 6px;
}
.form-row{ display: grid; gap: 6px; }
.form-row label{
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}
.form-row input,
.form-row select,
.form-row textarea{
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--hairline);
  padding: 8px 0 10px;
  outline: none;
  border-radius: 0;
  width: 100%;
  transition: border-color 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}
.form-row select{
  background-image: linear-gradient(45deg, transparent 50%, var(--slate) 50%),
                    linear-gradient(135deg, var(--slate) 50%, transparent 50%);
  background-position: calc(100% - 12px) 18px, calc(100% - 7px) 18px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 24px;
}
.form-row textarea{
  resize: vertical;
  min-height: 72px;
  line-height: 1.5;
}
.form-row input::placeholder,
.form-row textarea::placeholder{
  color: var(--slate-soft);
  opacity: 0.7;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  border-bottom-color: var(--ember);
}
.form-row-split{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.form-row-split > div{ display: grid; gap: 6px; }
.form-submit{
  margin-top: 18px;
  border: 0;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  justify-self: start;
}
.form-meta{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--slate-soft);
  margin: 8px 0 0;
}
.form-consent{
  font-family: var(--sans);
  font-size: 12px;
  color: var(--slate-soft);
  margin: 4px 0 0;
}
.form-consent-link{
  color: var(--ink);
  border-bottom: 1px solid var(--hairline);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.form-consent-link:hover{
  color: var(--ember);
  border-bottom-color: var(--ember);
}

/* Submit states + error */
.form-submit:disabled{
  opacity: 0.6;
  cursor: progress;
}
.form-error{
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ember);
  background: rgba(184, 84, 30, 0.08);
  border-left: 2px solid var(--ember);
  padding: 10px 14px;
  margin: 12px 0 0;
  line-height: 1.5;
}

/* Inline success state (replaces form on submit) */
.first-read-success{
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 56px 36px;
  display: grid;
  gap: 18px;
  animation: frSuccessIn 0.5s ease;
}
@keyframes frSuccessIn{
  from{ opacity: 0; transform: translateY(8px); }
  to{ opacity: 1; transform: translateY(0); }
}
.success-title{
  font-family: var(--serif);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 4px 0 0;
}
.success-body{
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink);
  margin: 0;
  max-width: 42ch;
}
.success-body strong{ color: var(--ember); font-weight: 500; }
.success-meta{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--slate-soft);
  margin: 8px 0 0;
}

/* Nexus Platform bonus block in success state */
.success-bonus{
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--hairline);
  display: grid;
  gap: 12px;
}
.success-bonus-eyebrow{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ember);
  text-transform: uppercase;
  margin: 0;
}
.success-bonus-eyebrow span{ margin-right: 6px; }
.success-bonus-body{
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
  max-width: 50ch;
}
.success-bonus-body strong{ color: var(--ink); font-weight: 600; }
.success-bonus-link{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ember);
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--ember);
  padding-bottom: 2px;
  width: fit-content;
  transition: opacity 0.2s ease;
}
.success-bonus-link:hover{ opacity: 0.7; }

/* Responsive */
@media (max-width: 920px){
  .first-read-grid{ grid-template-columns: 1fr; gap: 56px; }
  .first-read-form-wrap{ position: static; }
  .first-read-form{ padding: 32px 24px; }
  .form-row-split{ grid-template-columns: 1fr; gap: 18px; }
  .first-read-success{ padding: 40px 24px; }
  .success-title{ font-size: 26px; }
}

/* ───────── Mobile nav (hamburger) ───────── */
.nav-toggle{
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  z-index: 110;
  position: relative;
}
.nav-toggle span{
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){
  transform: translateY(2.75px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2){
  transform: translateY(-2.75px) rotate(-45deg);
}

.mobile-nav{
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bone);
  z-index: 100;
  padding: 100px 32px 60px;
  overflow-y: auto;
}
.mobile-nav.open{
  display: block;
  animation: mobileNavIn 0.3s ease;
}
@keyframes mobileNavIn{
  from{ opacity: 0; transform: translateY(-12px); }
  to{ opacity: 1; transform: translateY(0); }
}
.mobile-nav nav{ display: flex; flex-direction: column; }
.mobile-nav nav a{
  font-family: var(--serif);
  font-weight: 350;
  font-variation-settings: "opsz" 96, "SOFT" 30;
  font-size: 36px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  padding: 22px 0;
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.mobile-nav nav a:first-child{ border-top: 1px solid var(--hairline); }
.mobile-nav nav a .num{
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--ember);
  text-transform: uppercase;
  flex-shrink: 0;
  width: 28px;
}

@media (max-width: 960px){
  .nav-toggle{ display: flex; }
  /* CTA hidden on mobile nav — sticky bottom CTA carries it */
  .nav-links a.nav-cta{ display: none; }
  .nav-inner{ gap: 16px; padding: 16px 20px; }
  .brand-mark{ height: 22px; }
  /* Extra breathing room when scrolling to anchors on mobile */
  html{ scroll-padding-top: 96px; }
}

/* ───────── Mobile sticky CTA (bottom of viewport) ───────── */
.mobile-cta{
  display: none;
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ember);
  color: var(--bone) !important;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(14, 14, 12, 0.22);
  z-index: 80;
  transition: background 0.2s ease, transform 0.2s ease;
}
.mobile-cta:hover, .mobile-cta:focus{
  background: var(--ink);
  transform: translateX(-50%) translateY(-2px);
}
.mobile-cta.hide-floating{
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(20px);
}
.back-to-top.hide-floating{
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
}
@media (max-width: 960px){
  .mobile-cta{ display: inline-block; }
  /* Hide back-to-top on mobile: avoids competing with the sticky CTA
     and the duplicate-arrow visual clash. Swipe-to-top is native gesture. */
  .back-to-top{ display: none !important; }
}
@media (min-width: 961px){
  .mobile-nav{ display: none !important; }
}

/* ───────── Back to top button ───────── */
.back-to-top{
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ember);
  color: var(--bone);
  border: none;
  cursor: pointer;
  font-size: 18px;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 90;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease;
  font-family: var(--mono);
  text-decoration: none;
}
.back-to-top.visible{
  display: flex;
  opacity: 1;
  transform: translateY(0);
}
.back-to-top:hover{ background: var(--ink); }

@media (min-width: 961px){
  .back-to-top{ display: none !important; }
}