/* MethodProof — Mission-Led Landing Page (Light-First / Inverted Theme) */

:root {
  /* SHOMEN (Light) */
  --bg: #ffffff;
  --surface: #ffffff;
  --ink: #0a0a0a;
  --ink-mid: #6b6862;
  --ink-faint: #8c8780;
  --wash: #e5e5e5;
  --vermillion: #d93326;
  --gold: #c9a84c;
  --purple: #803794;
  --green: #109446;
  --navy: #192a56;
  /* KINMYAKU (Dark) */
  --dark-bg: #12110f;
  --dark-surface: #1c1a17;
  --dark-border: #2a2825;
  --cream: #ffffff;
  --dim: #8b8171;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
code { font-family: 'IBM Plex Mono', monospace; font-size: 0.875em; }
a { color: inherit; }
ul { list-style: none; }

/* ── UTILITY ── */
.mark-method { font-weight: 700; }
.mark-proof { font-family: 'Laila', serif; font-weight: 400; }
.label-tag {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 1rem;
}
.label-tag.gold { color: var(--gold); }
.label-tag.vermillion { color: var(--vermillion); }
.label-tag.green { color: var(--green); }
.accent-bar { width: 40px; height: 3px; margin-bottom: 4px; }
.accent-dot { width: 12px; height: 12px; border-radius: 50%; }
.center { text-align: center; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--bg);
  border-bottom: 2px solid var(--ink);
}
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: 0 2rem;
  height: 100px; display: flex; align-items: center; justify-content: space-between;
}
.nav-mark {
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 1.5rem; letter-spacing: -0.5px;
  text-decoration: none; color: var(--ink);
}
.nav-mark img { object-fit: contain; width: 40px; height: 40px; }
.nav-links { display: flex; align-items: center; gap: 2.5rem; }
.nav-links a {
  text-decoration: none; font-size: 0.9375rem; font-weight: 500;
  color: var(--ink-mid); transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }
.btn-nav {
  padding: 0.5rem 1.25rem; border: 2px solid var(--ink);
  font-weight: 600; color: var(--ink) !important;
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-nav:hover { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 var(--ink); }
.nav-founder {
  color: var(--vermillion) !important; font-weight: 600 !important;
}
.nav-links a.active {
  color: var(--ink) !important;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 2px;
}
.nav-links a.nav-founder.active {
  color: var(--vermillion) !important;
  border-bottom: 2px solid var(--vermillion);
}

/* ── HERO (SHOMEN — Light) ── */
.hero {
  position: relative; overflow: hidden;
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg); padding: 8rem 2rem 4rem;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
}
.bg-node {
  position: absolute; border-radius: 50%;
}
.hero-circuit {
  position: absolute; pointer-events: none;
}
.hero-card {
  position: relative; z-index: 1;
  max-width: 800px; width: 100%;
  text-align: center;
  background: rgba(10, 10, 10, 0.02);
  border: 1px solid rgba(10, 10, 10, 0.06);
  backdrop-filter: blur(40px); -webkit-backdrop-filter: blur(40px);
  padding: 3.5rem 3rem;
}
.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.25rem);
  font-weight: 700; letter-spacing: -2px; line-height: 1.15;
  color: var(--ink); margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: 1.0625rem; font-weight: 300; color: var(--ink-mid);
  line-height: 1.75; max-width: 560px; margin: 0 auto 2rem;
}
.hero-cta {
  display: flex; align-items: center; justify-content: center;
  gap: 1.25rem; flex-wrap: wrap;
}
.btn-primary {
  display: inline-block; padding: 0.875rem 2rem;
  background: var(--vermillion); color: #ffffff;
  font-size: 0.875rem; font-weight: 700; text-decoration: none;
  box-shadow: 4px 4px 0 rgba(217, 51, 38, 0.3);
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-primary:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 rgba(217, 51, 38, 0.3); }
.btn-secondary {
  display: inline-block; padding: 0.875rem 2rem;
  border: 1px solid var(--wash); color: var(--ink);
  font-size: 0.875rem; font-weight: 500; text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-secondary:hover { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 var(--wash); }
.install-block {
  display: inline-block;
  padding: 0.75rem 1.25rem; margin: 0;
  background: rgba(10, 10, 10, 0.03); border: 1px solid rgba(10, 10, 10, 0.08);
  font-family: 'IBM Plex Mono', monospace; font-size: 0.875rem; font-weight: 500;
  color: var(--ink-mid); text-decoration: none;
}
.install-block:hover { background: rgba(10, 10, 10, 0.06); }
.copy-btn {
  background: transparent; border: 0; padding: 0; margin: 0 0 0.5rem;
  font: inherit; color: inherit; text-align: left;
  display: inline-block;
}
.copy-btn code { margin-bottom: 0; }
.copy-btn:hover code { background: var(--dark-border); }
.click-to-copy {
  cursor: pointer; position: relative;
  transition: opacity 0.15s;
}
.click-to-copy:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.click-to-copy::after {
  content: 'copied'; position: absolute;
  left: 50%; bottom: calc(100% + 0.5rem); transform: translateX(-50%);
  font-family: 'IBM Plex Mono', monospace; font-size: 0.6875rem;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--accent); white-space: nowrap;
  opacity: 0; transition: opacity 0.15s;
  pointer-events: none;
}
.click-to-copy.copied::after { opacity: 1; }
.hero-note {
  margin-top: 1.5rem; font-size: 0.75rem; color: var(--ink-faint);
}
.scroll-hint {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  text-align: center;
}
.scroll-hint span {
  font-family: 'IBM Plex Mono', monospace; font-size: 9px;
  letter-spacing: 3px; color: var(--ink-faint); opacity: 0.5;
}
.scroll-line {
  width: 1px; height: 20px; background: var(--ink-faint);
  opacity: 0.3; margin: 4px auto 0;
}

/* ── SECTIONS ── */
.section { padding: clamp(4rem, 8vw, 6rem) 2rem; }
.section-inner { max-width: 1120px; margin: 0 auto; }
.section-header { margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.section h2, h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700; letter-spacing: -1.5px; line-height: 1.25;
  margin-bottom: 1rem;
}
.h2-sm { font-size: clamp(1.5rem, 3vw, 2rem); }
.section-sub {
  font-size: 1rem; color: var(--ink-mid); line-height: 1.75;
  max-width: 600px; margin-bottom: 2.5rem;
}
.section-sub.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Light sections */
.section.light { background: var(--bg); }

/* Dark sections */
.section.dark {
  background: var(--dark-bg); color: var(--cream);
}
.section.dark h2 { color: var(--cream); }
.section.dark .section-sub { color: var(--dim); }
.section.dark h4 { color: var(--dim); }

/* ── CARDS ── */
.card { padding: clamp(1.5rem, 3vw, 2rem); }
.card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 0.5rem; }
.card p { font-size: 0.9375rem; line-height: 1.73; }

/* Light cards (on light bg) */
.principle-card {
  background: var(--surface); border: 1px solid var(--wash);
  display: flex; flex-direction: column; gap: 12px;
}
.principle-card h3 { font-size: 1.375rem; color: var(--ink); }
.principle-card p { color: var(--ink-mid); font-weight: 300; }

/* Dark cards (on dark bg) */
.dark-card {
  background: rgba(224, 219, 208, 0.03);
  border: 1px solid rgba(224, 219, 208, 0.06);
  display: flex; flex-direction: column; gap: 16px;
}
.dark-card p { color: var(--dim); }
.dark-card code {
  display: block; font-size: 0.9375rem; font-weight: 600;
  color: var(--cream); margin-bottom: 0.25rem;
}

/* Feature cards (light bg) */
.feature-card {
  background: var(--surface); border: 1px solid var(--wash);
  box-shadow: 4px 4px 0 var(--ink);
}
.feature-card p { color: var(--ink-mid); font-size: 0.875rem; }

/* Badge (problem cards) */
.badge {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 10px 16px 10px 14px; align-self: flex-start;
}
.badge-num {
  font-family: 'IBM Plex Mono', monospace; font-weight: 500;
  font-size: 0.875rem; color: #ffffff;
}
.badge-title { font-weight: 700; font-size: 0.8125rem; color: #ffffff; }

/* Card icon */
.card-icon {
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  font-family: 'IBM Plex Mono', monospace; font-size: 0.6875rem;
  font-weight: 600; color: #ffffff; margin-bottom: 0.75rem;
}

/* OS cards */
.card-os {
  text-decoration: none; transition: transform 0.15s, box-shadow 0.15s;
}
.card-os:hover { transform: translate(-1px, -1px); }
.card-os .label-tag { margin-bottom: 0; margin-top: 0.5rem; font-size: 0.625rem; color: var(--dim); }

/* ── GRIDS ── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem; margin-top: 1rem; }
.grid-2x2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3x2 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }

/* ── GRAPH PANEL ── */
.graph-panel {
  border: 1px solid var(--wash);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: 2rem; overflow: hidden;
  box-shadow: 0 16px 48px rgba(10, 10, 10, 0.08);
}
.graph-panel.light-graph { background: var(--bg); }
.graph-panel svg { width: 100%; height: auto; display: block; }
.graph-legend {
  display: flex; gap: 1.5rem; margin-top: 1rem;
  padding-top: 1rem; border-top: 1px solid var(--wash);
}
.graph-legend span {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.6875rem; font-weight: 500; color: var(--ink-mid);
  text-transform: uppercase; letter-spacing: 1px;
}
.graph-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }

/* ── PILLS ── */
.pill-row {
  display: flex; flex-wrap: wrap; gap: 1rem;
  justify-content: center;
}
.pill {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem;
  padding: 0.5rem 1rem;
  background: rgba(224, 219, 208, 0.05);
  border: 1px solid rgba(224, 219, 208, 0.1);
  color: var(--dim);
}

/* ── FULL SPECTRUM HEADER ── */
.fs-header {
  margin-bottom: 0.25rem;
}
.fs-rainbow {
  font-family: 'Inter', sans-serif; font-weight: 700;
  font-size: 1.75rem; letter-spacing: -0.5px;
  background: linear-gradient(90deg, #d93326, #e0783c, #c9a84c, #dcd282, #109446, #50c8a0, #192a56, #5064b4, #803794, #aa64be);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.fs-sub {
  color: var(--ink-mid) !important; margin-bottom: 1.25rem !important;
}

/* ── JOURNAL SECTION ── */
.journal-section { border-bottom: 1px solid var(--dark-border); }
.how-section { border-top: none; }
.journal-cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.journal-card {
  background: var(--bg); border: 1px solid var(--wash);
  padding: 1.5rem; overflow: hidden;
}
.journal-card h4 { margin-bottom: 0.75rem; color: var(--ink-mid); }
.journal-card h4.gold { color: var(--gold); }
.journal-card-full {
  border: 2px solid rgba(201, 168, 76, 0.4);
  border-top: 3px solid var(--gold);
}
.journal-graph { margin-bottom: 1rem; border-bottom: 1px solid var(--wash); padding-bottom: 1rem; }
.journal-card-full .journal-graph { border-bottom-color: rgba(201, 168, 76, 0.2); }
.journal-graph svg { width: 100%; height: auto; display: block; }
.journal-rows { display: flex; flex-direction: column; gap: 0.375rem; }
.journal-row {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.8125rem;
  padding: 0.5rem 0.75rem;
  background: var(--surface);
  display: flex; gap: 0.75rem; align-items: baseline;
}
.journal-row-gold { background: rgba(201, 168, 76, 0.04); }
.jkey {
  color: var(--ink-mid); font-weight: 500; flex-shrink: 0;
  min-width: 5.5rem;
}
.jval { color: var(--ink-mid); font-weight: 400; }
.jval.gold { color: var(--gold); }
.journal-col-note {
  font-size: 0.75rem; color: var(--ink-mid); margin-top: 0.75rem;
  font-family: 'IBM Plex Mono', monospace; letter-spacing: 0.5px;
}
.journal-col-note.gold { color: var(--gold); }
.journal-bottom { text-align: center; }
.journal-note {
  font-size: 0.9375rem; color: var(--cream); font-weight: 500;
  margin-bottom: 1rem;
}
.journal-uses {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem;
}
.journal-use {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--dark-border); color: var(--dim);
}

/* ── STEPS (Dark) ── */
.steps { display: flex; flex-direction: column; }
.step {
  display: flex; gap: 1.5rem; padding: 2rem 0;
  border-bottom: 1px solid var(--dark-border);
}
.step:first-child { padding-top: 0; }
.step:last-child { border-bottom: none; padding-bottom: 0; }
.step-num {
  width: 40px; height: 40px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'IBM Plex Mono', monospace; font-size: 1rem; font-weight: 600;
  background: var(--cream); color: var(--dark-bg);
}
.step-content code {
  display: inline-block; padding: 0.25rem 0.75rem;
  background: var(--dark-surface); border: 1px solid var(--dark-border);
  margin-bottom: 0.5rem; font-size: 0.9375rem; font-weight: 500;
  color: var(--cream);
}
.step-title {
  font-size: 1.125rem; font-weight: 700; color: var(--cream);
  margin: 0.5rem 0 0.25rem;
}
.step-cmd-pair {
  display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap;
}
.step-arrow {
  font-size: 1.25rem; color: var(--dim); font-weight: 300;
}
.step-content code.inline {
  display: inline; padding: 0.125rem 0.5rem; margin: 0;
}
.step-content p { font-size: 0.9375rem; color: var(--dim); line-height: 1.73; }

/* ── COMING SOON ── */
.coming-soon-bar {
  margin-top: 3rem; padding-top: 2.5rem;
  border-top: 1px solid var(--dark-border);
  text-align: center;
}
.coming-soon-bar .label-tag { color: var(--gold); }
.coming-soon-items {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 1rem; margin: 1rem 0;
}
.coming-soon-item {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.8125rem;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--dark-border);
  color: var(--cream); background: var(--dark-surface);
}
.coming-soon-note {
  font-size: 0.8125rem; color: var(--dim); font-weight: 300;
  margin-top: 0.5rem;
}

/* ── SPLIT SECTION ── */
.split { display: grid; grid-template-columns: 1fr 1fr; }
.split-half {
  padding: clamp(3rem, 6vw, 5rem) clamp(2rem, 5vw, 5rem);
  display: flex; flex-direction: column; gap: 1.5rem;
}
.split-light { background: var(--bg); }
.split-light h2 { color: var(--ink); }
.split-light .split-desc { color: var(--ink-mid); font-size: 0.9375rem; line-height: 1.73; font-weight: 300; }
.split-dark { background: var(--dark-bg); }
.split-dark h2 { color: var(--cream); font-size: clamp(1.5rem, 3vw, 2rem); }
.split-dark .split-desc { color: var(--dim); font-size: 0.9375rem; line-height: 1.73; font-weight: 300; }
.split h2 { font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.3; }
.split-features {
  display: flex; flex-direction: column; gap: 0.75rem; margin-top: 0.5rem;
}
.split-features li {
  display: flex; align-items: center; gap: 0.75rem; font-size: 0.875rem;
}
.split-light .split-features li { color: rgba(10, 10, 10, 0.8); }
.split-dark .split-features li { color: rgba(224, 219, 208, 0.8); }
.plus {
  font-family: 'IBM Plex Mono', monospace; font-weight: 500; font-size: 0.875rem;
}
.plus.green { color: var(--green); }
.plus.vermillion { color: var(--vermillion); }

/* ── PRIVACY ── */
.dark-divider {
  border: none; height: 1px; background: var(--dark-border);
  margin: 3rem 0;
}
.check-list { margin-top: 0.75rem; }
.check-list li {
  padding: 0.625rem 0; font-size: 0.9375rem;
  border-bottom: 1px solid var(--dark-border);
}
.check-list.neg li::before {
  content: '\2717'; margin-right: 0.75rem; font-weight: 700; color: var(--vermillion);
}
.check-list.pos li::before {
  content: '\2713'; margin-right: 0.75rem; font-weight: 700; color: var(--green);
}
.check-list li { color: var(--dim); }
h4 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.625rem; font-weight: 500;
  letter-spacing: 2px; color: var(--dim);
}
.privacy-links { margin-top: 2rem; display: flex; gap: 2rem; }
.privacy-links a {
  font-size: 0.8125rem; font-weight: 600; color: var(--dim); text-decoration: none;
}
.privacy-links a:hover { color: var(--cream); }

/* ── CTA (SHOMEN — Light) ── */
.cta-section {
  background: var(--bg);
  padding: clamp(5rem, 10vw, 8rem) 2rem;
}
.cta-inner { text-align: center; }
.cta-inner h2 { color: var(--ink); }
.cta-inner .section-sub { color: var(--ink-mid); }
.cta-centered { justify-content: center; margin-top: 1rem; }
.cta-section .btn-secondary {
  border-color: rgba(10, 10, 10, 0.15); color: var(--ink);
}

/* ── FOOTER (KINMYAKU — Dark) ── */
footer {
  background: var(--dark-bg);
  border-top: 2px solid var(--dark-border);
  padding: 4rem 2rem 2rem;
}
.footer-inner {
  max-width: 1120px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 2fr; gap: 4rem;
}
.footer-brand .nav-mark { color: var(--cream); }
.footer-brand p { margin-top: 0.5rem; font-size: 0.8125rem; color: var(--dim); }
.footer-cols { display: flex; gap: 4rem; }
.footer-cols h4 { margin-bottom: 1rem; }
.footer-cols a {
  display: block; text-decoration: none; font-size: 0.8125rem;
  color: var(--dim); padding: 0.25rem 0;
}
.footer-cols a:hover { color: var(--cream); }
.footer-bottom {
  grid-column: 1 / -1; padding-top: 2rem; margin-top: 2rem;
  border-top: 1px solid var(--dark-border);
}
.footer-bottom p { font-size: 0.75rem; color: var(--dim); }

/* ── FOUNDER CALLOUT (main page) ── */
.founder-callout {
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; padding: 2.5rem 3rem;
  text-decoration: none; color: inherit;
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 0.15s, box-shadow 0.15s;
}
.founder-callout:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}
.callout-left h2 { margin-bottom: 0.5rem; }
.callout-desc {
  font-size: 0.9375rem; color: var(--ink-mid); line-height: 1.73;
  font-weight: 300; max-width: 600px;
}
.callout-arrow {
  font-size: 2rem; color: var(--vermillion); font-weight: 300;
  flex-shrink: 0;
}

/* ── FOUNDER PAGE ── */
.founder-hero { min-height: 70vh; padding-top: 10rem; }
.founder-card { text-align: center; max-width: 860px; }
.inline-hero {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85em; font-weight: 600;
  padding: 0.125rem 0.625rem;
  background: rgba(217, 51, 38, 0.06); border: 1px solid rgba(217, 51, 38, 0.12);
  color: var(--vermillion);
}
.founder-photo {
  display: block; object-fit: cover;
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  margin: 0 auto 2rem;
}
.founder-subhead {
  font-size: 1.125rem; font-weight: 700; color: var(--ink);
  margin: 2.5rem 0 1rem; letter-spacing: -0.5px;
}
.section.dark .founder-subhead { color: var(--cream); }
.founder-prose { max-width: 720px; }
.founder-prose p {
  font-size: 1.0625rem; line-height: 1.85; color: var(--ink-mid);
  margin-bottom: 1.5rem;
}
.section.dark .founder-prose p { color: var(--dim); }
.founder-prose p:last-child { margin-bottom: 0; }
.founder-prose strong { font-weight: 600; color: var(--ink); }
.section.dark .founder-prose strong { color: var(--cream); }
.founder-prose em { font-style: italic; }

.quote-block {
  padding: 1.5rem 2rem; margin: 2rem 0;
  border-left: 3px solid var(--gold);
  background: rgba(201, 168, 76, 0.04);
}
.section.dark .quote-block { background: rgba(201, 168, 76, 0.03); }
.quote-block p {
  font-size: 1.0625rem; line-height: 1.85; font-style: italic;
  margin-bottom: 0;
}
.section.dark .quote-block p { color: var(--cream); }
.section.light .quote-block p { color: var(--ink); }
.quote-attr {
  font-style: normal !important; font-size: 0.8125rem !important;
  color: var(--ink-mid) !important; margin-top: 0.75rem !important;
  font-family: 'IBM Plex Mono', monospace; letter-spacing: 0.5px;
}
.section.dark .quote-attr { color: var(--dim) !important; }

.formula-block {
  text-align: center; padding: 1.25rem 0; margin: 1.5rem 0;
}
.formula-block code {
  font-size: 1.125rem; font-weight: 600;
  color: var(--cream); letter-spacing: 1px;
}

/* Founder split overrides */
.founder-work-left { gap: 1.25rem; }
.founder-work-left h2 { color: var(--cream); }
.founder-work-left .split-desc { color: var(--dim); }
.founder-through-left { gap: 1.5rem; }
.founder-through-left a {
  color: var(--vermillion); text-decoration: none; font-weight: 500;
}
.founder-through-left a:hover { text-decoration: underline; }
.founder-through-left strong { font-weight: 600; color: var(--ink); }
.founder-through-left em { font-style: italic; }

/* Node-circuit panel */
.node-circuit-panel {
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding: 2rem;
}
.node-circuit { width: 100%; height: auto; max-height: 100%; }

/* Evolution arrow */
.evolution-arrow {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 0;
}
.evo-from {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.875rem;
  font-weight: 500; color: var(--ink-mid);
}
.evo-arrow { font-size: 1.5rem; color: var(--ink-mid); font-weight: 300; }
.evo-to {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.875rem;
  font-weight: 500; color: var(--vermillion);
}

/* Project links */
.project-header h3 a {
  color: var(--cream); text-decoration: underline;
  text-underline-offset: 3px; text-decoration-color: rgba(224, 219, 208, 0.3);
  transition: text-decoration-color 0.15s, color 0.15s;
}
.project-header h3 a:hover {
  color: var(--gold); text-decoration-color: var(--gold);
}

/* Founder projects stacked (single column in split) */
.founder-projects-stacked {
  display: flex; flex-direction: column; gap: 1rem;
}
.project-card { display: flex; flex-direction: column; gap: 12px; }
.project-header {
  display: flex; align-items: center; gap: 12px;
}
.project-header h3 { font-size: 1.125rem; color: var(--cream); margin-bottom: 0; }
.project-header .card-icon { margin-bottom: 0; flex-shrink: 0; }
.project-tagline {
  font-size: 0.75rem; font-weight: 500; color: var(--dim);
  font-family: 'IBM Plex Mono', monospace; text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 0 !important;
}
.project-card > p { font-size: 0.875rem; color: var(--dim); line-height: 1.73; margin-bottom: 0; }
.project-stack {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: auto;
}
.project-stack span {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.6875rem;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--dark-border); color: var(--dim);
}

.founder-aside {
  text-align: center; font-size: 0.875rem !important;
  color: var(--dim) !important; font-style: italic;
  margin-top: 1.5rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.25rem; }
  .grid-3, .grid-3x2 { grid-template-columns: 1fr; }
  .grid-2, .grid-2x2 { grid-template-columns: 1fr; gap: 1.5rem; }
  .split { grid-template-columns: 1fr; }
  .nav-links a:not(.btn-nav) { display: none; }
  .hero-cta { flex-direction: column; align-items: center; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-cols { flex-direction: column; gap: 2rem; }
  .journal-cards { grid-template-columns: 1fr; }
  .graph-legend { flex-wrap: wrap; gap: 0.75rem; }
  .graph-panel { padding: 1rem; }
  .pill-row { justify-content: flex-start; }
  .hero-card { padding: 2rem 1.5rem; }
  .founder-projects { grid-template-columns: 1fr; }
  .node-circuit-panel { display: none; }
  .quote-block { padding: 1rem 1.25rem; }
  .founder-hero { min-height: 60vh; padding-top: 8rem; }
}