:root {
  --paper: #FBF7EF;
  --paper-2: #F1E9D8;
  --ink: #15130E;
  --ink-2: #2C2818;
  --muted: #766E5C;
  --line: #15130E1A;
  --line-strong: #15130E33;

  --red: #D35317;
  --red-ink: #FFFFFF;
  --forest: #1B4A3B;
  --forest-ink: #FFFFFF;
  --plum: #4A2C82;
  --plum-ink: #FFFFFF;
  --amber: #B9791E;
  --amber-ink: #FFFFFF;
  --navy: #0B0D20;
  --navy-ink: #FFFFFF;
  --muted-dot: #8C8570;

  --serif: "Fraunces", "Times New Roman", serif;
  --sans: "Instrument Sans", system-ui, -apple-system, sans-serif;
  --mono: "Space Mono", ui-monospace, monospace;
  --logo-font: "Space Grotesk", var(--sans);

  --gutter: clamp(20px, 4vw, 56px);
  --section-py: clamp(56px, 6vw, 96px);
  --radius: 6px;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-snap-type: y proximity;
}
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

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

.skip-link {
  position: fixed;
  top: -48px; left: 12px;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 13px;
  z-index: 1000;
  transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

/* Grain overlay */
.grain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* === Layout primitives === */
.wrap {
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* === Masthead (floating, not a bar) === */
.masthead-mark, .menu-toggle {
  position: fixed;
  top: 20px;
  z-index: 200;
  display: flex; align-items: center; gap: 10px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--paper) 82%, transparent);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 9px 16px;
}
.masthead-mark {
  left: var(--gutter);
  font-family: var(--logo-font);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.masthead-logo {
  height: 20px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.menu-toggle {
  right: var(--gutter);
  border: none;
  background: var(--ink);
  color: var(--paper);
}
.menu-toggle-label {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.menu-toggle-icon {
  display: flex; flex-direction: column; gap: 4px;
  width: 14px;
}
.menu-toggle-icon span {
  display: block; height: 1.4px; background: currentColor;
  transition: transform .25s ease, opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:first-child { transform: translateY(2.7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:last-child { transform: translateY(-2.7px) rotate(-45deg); }

/* === Overlay menu === */
.site-menu {
  position: fixed; inset: 0;
  z-index: 190;
  background: var(--ink);
  color: var(--paper);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition: opacity .35s ease, transform .35s ease;
  overflow-y: auto;
}
.site-menu.open {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.site-menu-inner {
  box-sizing: border-box;
  min-height: 100%;
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  padding: 112px var(--gutter) 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 48px;
}
.site-menu-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: column;
}
.site-menu-list li {
  border-top: 1px solid rgba(255,255,255,0.12);
}
.site-menu-list li:last-child { border-bottom: 1px solid rgba(255,255,255,0.12); }
.site-menu-list a {
  display: flex; align-items: baseline; gap: 24px;
  padding: 16px 4px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 380;
  font-size: clamp(28px, 5vw, 56px);
  letter-spacing: -0.01em;
  transition: color .2s, padding-left .25s;
}
.site-menu-list a:hover, .site-menu-list a:focus-visible {
  color: #C7C2B4;
  padding-left: 20px;
}
.site-menu-list .n {
  font-family: var(--mono);
  font-style: normal;
  font-size: 14px;
  color: rgba(255,255,255,0.4);
}
.site-menu-foot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.5);
}
.site-menu-foot a:hover { color: var(--red); }

/* === Side progress rail === */
.rail {
  position: fixed;
  right: 22px; top: 50%;
  transform: translateY(-50%);
  z-index: 150;
  display: flex; flex-direction: column; gap: 12px;
}
.rail-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: transparent;
  padding: 0;
  transition: transform .2s, background .2s, border-color .2s;
}
.rail-dot:hover { transform: scale(1.3); }
.rail-dot.active {
  background: var(--c, var(--red));
  border-color: var(--c, var(--red));
  transform: scale(1.35);
}
@media (max-width: 1024px) { .rail { display: none; } }

/* === Cover === */
.cover {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: clamp(96px, 12vw, 160px) 0 64px;
  scroll-snap-align: start;
}
.cover-inner { max-width: 900px; }
.cover-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 28px;
}
.cover-headline {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 340;
  font-size: clamp(56px, 10vw, 168px);
  line-height: 0.88;
  letter-spacing: -0.025em;
  margin: 0 0 36px 0;
  text-wrap: balance;
}
.cover-headline em { font-style: italic; color: var(--red); }
.cover-dek {
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 52ch;
  margin: 0 0 28px 0;
  text-wrap: pretty;
}
.cover-facts {
  display: flex; flex-wrap: wrap; gap: 10px 18px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line-strong);
  margin-bottom: 40px;
}
.cover-facts span:not(:last-child)::after { content: "·"; margin-left: 18px; color: var(--line-strong); }

.cover-index {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}
.cover-index-item {
  background: var(--paper);
  padding: 18px 16px;
  display: flex; flex-direction: column; gap: 10px;
  border-bottom: 3px solid transparent;
  transition: border-color .2s, background .2s;
}
.cover-index-item:hover { background: var(--paper-2); border-bottom-color: var(--c, var(--red)); }
.cover-index-item .ci-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--c, var(--red));
}
.cover-index-item .ci-name {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: -0.01em;
}
.cover-index-item .ci-tag {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* === Product spreads (full-bleed) === */
.spread {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--spread, var(--ink));
  color: #fff;
  scroll-snap-align: start;
}
.spread-watermark {
  position: absolute;
  top: -0.12em; right: -0.02em;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 340;
  font-size: clamp(220px, 34vw, 560px);
  line-height: 1;
  color: rgba(255,255,255,0.07);
  pointer-events: none;
  user-select: none;
}
.spread-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
  width: 100%;
  padding: clamp(80px, 10vw, 140px) var(--gutter) clamp(60px, 8vw, 100px);
  position: relative;
  z-index: 1;
}
.spread.reverse .spread-grid { grid-template-columns: 0.95fr 1.05fr; }
.spread.reverse .spread-copy { order: 2; }
.spread.reverse .spread-art { order: 1; }

.spread-index {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.66);
  margin-bottom: 24px;
}
.spread-index.dark { color: var(--muted); }
.spread-name {
  font-family: var(--serif);
  font-weight: 340;
  font-size: clamp(48px, 7vw, 108px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  margin: 0 0 24px 0;
  text-wrap: balance;
}
.spread-desc {
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.55;
  color: rgba(255,255,255,0.86);
  max-width: 46ch;
  margin: 0 0 28px 0;
  text-wrap: pretty;
}
.spread-meta {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 32px;
}
.spread-tag {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid rgba(255,255,255,0.32);
  border-radius: 999px;
  padding: 5px 12px;
  color: rgba(255,255,255,0.9);
}
.spread-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: #fff;
  color: var(--ink);
  padding: 12px 20px;
  border-radius: 999px;
  transition: transform .2s ease, gap .2s ease;
}
.spread-link:hover { transform: translateY(-2px); gap: 14px; }

.spread-art {
  display: flex; align-items: center; justify-content: center;
  min-height: 240px;
}

/* Astrology visual */
.visual-celestial { position: relative; width: 68%; max-width: 340px; aspect-ratio: 1; }
.visual-celestial-disc {
  position: absolute; inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff 0%, #fff 48%, transparent 48.5%);
}
.visual-celestial-disc::after {
  content: ""; position: absolute; inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, transparent 30%, var(--spread) 30.5%, var(--spread) 48%, transparent 48.5%);
}
.visual-celestial-ring { position: absolute; inset: 0; border: 1px solid rgba(255,255,255,0.7); border-radius: 50%; }
.visual-celestial-ring::before, .visual-celestial-ring::after { content: ""; position: absolute; border-radius: 50%; }
.visual-celestial-ring::before { inset: -1px; border: 1px dashed rgba(255,255,255,0.32); transform: scale(1.18); }
.visual-celestial-ring::after { inset: -1px; border: 1px solid rgba(255,255,255,0.18); transform: scale(1.32); }
.visual-celestial-star {
  position: absolute; width: 10px; height: 10px;
  background: #fff; border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.28);
}

/* RankLadder visual (answered call) */
.visual-call { position: relative; width: 42%; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; }
.visual-call .call-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.55);
  animation: call-pulse 2.4s ease-out infinite;
}
.visual-call .call-icon { position: relative; color: #fff; z-index: 1; }
.visual-call .call-badge {
  position: absolute; bottom: 4%; right: 4%;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: #fff;
  color: var(--spread, var(--red));
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
}
@keyframes call-pulse {
  0% { transform: scale(0.6); opacity: 0.85; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* Kaivo voice waveform visual */
.visual-wave { display: grid; grid-auto-flow: column; gap: 6px; width: 100%; max-width: 400px; height: 46%; align-items: center; }
.visual-wave > div {
  height: var(--h, 40%); background: #fff; border-radius: 999px; opacity: 0.88;
  animation: wave-pulse 2.6s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * -0.12s);
}
@keyframes wave-pulse { 0%, 100% { transform: scaleY(0.68); } 50% { transform: scaleY(1); } }

/* === In-build combined spread === */
.spread.build {
  min-height: auto;
  background: var(--paper-2);
  color: var(--ink);
  padding: var(--section-py) 0;
  scroll-snap-align: start;
}
.build-heading {
  font-family: var(--serif);
  font-weight: 380;
  font-size: clamp(34px, 5vw, 68px);
  letter-spacing: -0.02em;
  margin: 0 0 48px 0;
  text-wrap: balance;
}
.build-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}
.build-item {
  background: var(--paper);
  padding: 32px;
  filter: grayscale(0.3);
}
.build-item:hover { filter: none; }
.build-art { min-height: 140px; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; background: var(--paper-2); }
.build-item h3 { font-family: var(--serif); font-size: 30px; font-weight: 400; margin: 0 0 8px 0; }
.build-item p { color: var(--muted); font-size: 14px; line-height: 1.5; margin: 0 0 16px 0; max-width: 40ch; }

/* Kinetikk visual (nested hoops — motion / rep tracking) */
.visual-motion { position: relative; width: 42%; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; }
.visual-motion .hoop {
  position: absolute;
  border: 2.5px solid var(--ink);
  border-radius: 50%;
}
.visual-motion .hoop:nth-child(1) { width: 34%; height: 34%; opacity: 0.9; }
.visual-motion .hoop:nth-child(2) { width: 58%; height: 58%; opacity: 0.55; }
.visual-motion .hoop:nth-child(3) { width: 82%; height: 82%; opacity: 0.32; }
.visual-motion .hoop:nth-child(4) { width: 106%; height: 106%; opacity: 0.16; }
.visual-motion .rep-dot {
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--red);
}

/* ProteinLoop visual (pill stack) */
.pill-stack { display: flex; flex-direction: column; gap: 8px; width: 70%; }
.pill-stack > div { height: 10px; background: var(--ink); border-radius: 999px; opacity: 0.18; }
.pill-stack > div:nth-child(2) { width: 80%; opacity: 0.32; }
.pill-stack > div:nth-child(3) { width: 55%; opacity: 0.55; }
.pill-stack > div:nth-child(4) { width: 70%; opacity: 0.24; }

/* === Section numeral (reused as a small heading marker) === */
.section-num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-top: 12px;
  border-top: 1px solid var(--ink);
  margin-bottom: clamp(32px, 4vw, 56px);
}
.section-num.light { border-top-color: rgba(255,255,255,0.4); color: rgba(255,255,255,0.6); }
.section-num strong { color: var(--red); font-weight: 500; margin-right: 8px; }

/* === Philosophy pull-quote === */
.quote { padding: var(--section-py) 0; scroll-snap-align: start; }
.quote-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.quote-main {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 340;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
  position: sticky;
  top: 120px;
}
.quote-main em { color: var(--red); font-style: italic; }
.quote-notes { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 40px; }
.quote-notes li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  border-top: 1px solid var(--line-strong);
  padding-top: 24px;
}
.qn-num { font-family: var(--mono); font-size: 13px; color: var(--c, var(--red)); padding-top: 4px; }
.quote-notes h4 { font-family: var(--serif); font-weight: 400; font-size: 22px; margin: 0 0 8px 0; letter-spacing: -0.01em; }
.quote-notes p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.55; max-width: 42ch; }

/* === Method (staggered diagonal list) === */
.method { padding: var(--section-py) 0; scroll-snap-align: start; }
.method-title {
  font-family: var(--serif);
  font-weight: 380;
  font-size: clamp(32px, 4.6vw, 64px);
  letter-spacing: -0.02em;
  margin: 0 0 clamp(40px, 6vw, 72px) 0;
  max-width: 18ch;
  text-wrap: balance;
}
.method-title em { font-style: italic; color: var(--red); }
.method-list { list-style: none; margin: 0; padding: 0; }
.method-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line-strong);
  max-width: 74ch;
}
.method-list li:last-child { border-bottom: 1px solid var(--line-strong); }
.method-item:nth-child(1) { margin-left: 0; }
.method-item:nth-child(2) { margin-left: 6%; }
.method-item:nth-child(3) { margin-left: 12%; }
.method-item:nth-child(4) { margin-left: 18%; }
.method-when {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding-top: 6px;
}
.method-item h3 { font-family: var(--serif); font-weight: 400; font-size: 26px; margin: 0 0 8px 0; letter-spacing: -0.01em; }
.method-item p { color: var(--muted); font-size: 14.5px; line-height: 1.55; margin: 0; max-width: 46ch; }

/* === Colophon (contact) === */
.colophon {
  padding: var(--section-py) 0;
  background: var(--red);
  color: #fff;
  scroll-snap-align: start;
}
.colophon-title {
  font-family: var(--serif);
  font-weight: 340;
  font-size: clamp(44px, 7vw, 132px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  margin: 0 0 40px 0;
  max-width: 16ch;
  text-wrap: balance;
}
.colophon-title em { font-style: italic; color: var(--ink); }
.colophon-email {
  font-family: var(--serif);
  font-size: clamp(24px, 2.6vw, 38px);
  color: #fff;
  display: inline-flex; align-items: center; gap: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.4);
  padding-bottom: 8px;
  margin-bottom: 48px;
  transition: color .2s, border-color .2s;
}
.colophon-email:hover { color: var(--ink); border-color: var(--ink); }
.colophon-list {
  margin: 0;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.3);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 48px;
}
.colophon-list > div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid rgba(255,255,255,0.18);
}
.colophon-list dt {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.6);
}
.colophon-list dd { margin: 0; font-size: 15px; }
.colophon-list dd a { border-bottom: 1px solid rgba(255,255,255,0.3); transition: color .2s; }
.colophon-list dd a:hover { color: var(--ink); }

/* === Footer === */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.5);
  padding: 24px var(--gutter);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  max-width: 1480px;
  margin: 0 auto;
}

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s cubic-bezier(.2,.7,.2,1), transform 0.8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; scroll-snap-type: none; }
  .visual-wave > div { animation: none; }
  .visual-call .call-ring { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .site-menu { transition: none; }
}

/* Responsive */
@media (max-width: 1024px) {
  .spread-grid { grid-template-columns: 1fr; text-align: left; }
  .spread.reverse .spread-grid { grid-template-columns: 1fr; }
  .spread.reverse .spread-copy { order: 1; }
  .spread.reverse .spread-art { order: 2; }
  .spread { min-height: auto; padding: 40px 0; }
  .cover-index { grid-template-columns: repeat(2, 1fr); }
  .quote-grid { grid-template-columns: 1fr; }
  .quote-main { position: static; }
  .build-grid { grid-template-columns: 1fr; }
  .colophon-list { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .menu-toggle-label { display: none; }
  .cover-index { grid-template-columns: 1fr; }
  .method-item { grid-template-columns: 1fr; margin-left: 0 !important; }
  .spread-watermark { display: none; }
}