styles.css

/* ============================================================================
   Suede Labs — suedeai.org
   Dark Institutional IP Terminal system (canonical).
   Type: Instrument Serif (display) · Geist (UI/body) · Geist Mono (data/labels).
   Surfaces: Deep Ink / Panel Ink / Control Ink — no pure black, no pure white.
   ========================================================================== */

:root {
  /* Surfaces — dark control room (no pure black) */
  --ink-deep: #050b16; /* page bg + default band */
  --ink-panel: #09101b; /* alternate band */
  --ink-control: #0d1726; /* raised / featured band */

  /* Signal colors */
  --rights-red: #9f101a; /* action / ownership — sparingly */
  --rights-red-bright: #d11f2b; /* hover / active */
  --registry-cyan: #22d3ee; /* proof / verification */
  --proof-sky: #38bdf8; /* secondary proof / links */
  --verified-emerald: #34d399; /* paid / protected / done */

  /* Text (no pure white) */
  --text-primary: #eef2f7; /* Page Mist */
  --text-muted: #8a97a8; /* Slate */

  /* Hairlines */
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-cyan: rgba(34, 211, 238, 0.14);

  /* Warning — genuine warnings ONLY, never decorative */
  --warning-amber: #f59e0b;

  /* Proof-field & ambient (subtle; never gradient blobs) */
  --glow-red: rgba(159, 16, 26, 0.2);
  --glow-cyan: rgba(34, 211, 238, 0.14);

  /* Fonts (static-site literal families) */
  --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --font-ui: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Type scale */
  --text-display: clamp(3.25rem, 1.6rem + 6.6vw, 7rem);
  --text-h1: clamp(2.5rem, 1.6rem + 3.6vw, 4.25rem);
  --text-h2: clamp(1.9rem, 1.4rem + 2vw, 2.9rem);
  --text-h3: clamp(1.4rem, 1.15rem + 1vw, 1.85rem);
  --text-lede: clamp(1.125rem, 1rem + 0.5vw, 1.4rem);
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  --text-sm: 0.9375rem;
  --text-xs: 0.8125rem;
  --text-eyebrow: 0.75rem;
  --text-label: 0.6875rem;

  /* Form */
  --radius: 5px;
  --radius-sm: 4px;
  --border-width: 1px;
  --control-h: 44px;
  --tap-min: 44px;

  /* Spacing & rhythm */
  --space-section: clamp(4rem, 3rem + 5vw, 9rem);
  --space-gutter: clamp(1.25rem, 1rem + 2vw, 2.5rem);
  --maxw: 1200px;

  /* Motion */
  --dur-fast: 150ms;
  --dur-normal: 280ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Tabular numerals — money / counts / IDs / ledger figures */
.tabular,
.ledger-figure,
.stat-value,
.rail-icon,
.hero-facts dd,
.proof-ledger span,
.terminal-panel pre,
[data-numeric] {
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: "tnum" 1, "lnum" 1;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text-primary);
  background: var(--ink-deep);
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: var(--text-base);
  line-height: 1.55;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
dl,
dd,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.01em;
}

p {
  color: var(--text-muted);
  font-size: var(--text-base);
  line-height: 1.62;
}

:focus-visible {
  outline: 2px solid var(--registry-cyan);
  outline-offset: 2px;
}

/* ============================================================= GRAIN */
.grain {
  position: relative;
}

.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  z-index: 0;
  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'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: -10000px;
  z-index: 1000;
  padding: 0.7rem 1rem;
  border: var(--border-width) solid var(--hairline-cyan);
  border-radius: var(--radius-sm);
  background: var(--ink-control);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.skip-link:focus {
  left: 0.75rem;
}

/* ============================================================= HEADER */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto minmax(150px, 1fr);
  align-items: center;
  min-height: 66px;
  padding: 0 var(--space-gutter);
  border-bottom: var(--border-width) solid var(--hairline);
  background: color-mix(in srgb, var(--ink-deep) 86%, transparent);
  color: var(--text-primary);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
}

.brand-mark,
.nav-links a,
.header-action,
.eyebrow,
.hero-facts dt,
.terminal-title,
.rail-icon,
.site-footer,
.press-list .eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.brand-mark {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a,
.header-action {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  transition: color var(--dur-fast) var(--ease);
}

.nav-links a:hover,
.header-action:hover {
  color: var(--text-primary);
}

.header-action {
  justify-self: end;
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 0 14px;
  border: var(--border-width) solid var(--rights-red);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

.header-action:hover {
  border-color: var(--rights-red-bright);
  background: color-mix(in srgb, var(--rights-red) 18%, transparent);
}

.header-action::after,
.button::after,
.text-link::after {
  content: "->";
  margin-left: 12px;
}

/* ============================================================= HERO */
.hero {
  position: relative;
  overflow: hidden;
  padding: 110px 0 var(--space-section);
  border-bottom: var(--border-width) solid var(--hairline);
  background:
    radial-gradient(120% 80% at 78% 12%, var(--glow-cyan), transparent 60%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    var(--ink-deep);
  background-size: auto, 46px 46px, 46px 46px, auto;
  color: var(--text-primary);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.86fr);
  gap: clamp(34px, 5vw, 70px);
  align-items: center;
  width: min(var(--maxw), calc(100% - 2 * var(--space-gutter)));
  margin: 0 auto;
}

.hero-copy {
  max-width: 720px;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.4rem;
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.hero-kicker::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  background: var(--rights-red-bright);
  flex: none;
}

h1 {
  max-width: 18ch;
  font-size: var(--text-display);
  line-height: 1.02;
}

.hero-lede {
  max-width: 60ch;
  margin-top: 24px;
  color: var(--text-primary);
  font-size: var(--text-lede);
  line-height: 1.5;
}

.hero-line {
  margin-top: 18px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.hero-actions,
.founder-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: var(--control-h);
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: var(--border-width) solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
  transition:
    background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}

.button-primary {
  border-color: var(--rights-red);
  background: var(--rights-red);
  color: var(--text-primary);
}

.button-primary:hover {
  border-color: var(--rights-red-bright);
  background: var(--rights-red-bright);
}

.button-secondary {
  border-color: var(--hairline);
  color: var(--text-primary);
}

.button-secondary:hover {
  border-color: var(--registry-cyan);
  color: var(--registry-cyan);
}

/* dark/light helper classes retained for markup compatibility; on a dark page
   they all resolve to the same on-system treatment */
.button-secondary.light,
.button-secondary.dark {
  border-color: var(--hairline);
  color: var(--text-primary);
}

.button-secondary.light:hover,
.button-secondary.dark:hover {
  border-color: var(--registry-cyan);
  color: var(--registry-cyan);
}

.button-primary.dark {
  color: var(--text-primary);
}

.button-text {
  border-color: transparent;
  color: var(--text-muted);
}

.button-text:hover {
  color: var(--registry-cyan);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 40px;
  border-top: var(--border-width) solid var(--hairline);
  border-bottom: var(--border-width) solid var(--hairline);
}

.hero-facts div {
  min-height: 86px;
  padding: 16px 18px;
  border-right: var(--border-width) solid var(--hairline);
}

.hero-facts div:last-child {
  border-right: 0;
}

.hero-facts dt {
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 600;
}

.hero-facts dd {
  color: var(--text-primary);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.2;
}

/* ---- Hero terminal (fills the right panel with a live console primitive) ---- */
.hero-terminal {
  position: relative;
  justify-self: end;
  width: min(540px, 100%);
  overflow: hidden;
  border: var(--border-width) solid var(--hairline-cyan);
  border-radius: var(--radius);
  background: var(--ink-control);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 18px 50px rgba(0, 0, 0, 0.45);
}

.hero-terminal .terminal-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 13px 16px;
  border-bottom: var(--border-width) solid var(--hairline);
  color: var(--text-muted);
  font-size: var(--text-label);
  font-weight: 600;
}

.hero-terminal .terminal-title strong {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--verified-emerald);
}

.hero-terminal .terminal-title strong::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--verified-emerald);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--verified-emerald) 22%, transparent);
}

.hero-terminal pre {
  overflow: auto;
  margin: 0;
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.65;
  white-space: pre;
  color: var(--text-primary);
}

.hero-terminal .t-prompt {
  color: var(--registry-cyan);
}

.hero-terminal .t-ok {
  color: var(--verified-emerald);
}

.hero-terminal .t-id {
  color: var(--proof-sky);
}

.hero-terminal .t-muted {
  color: var(--text-muted);
}

.hero-terminal .terminal-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-top: var(--border-width) solid var(--hairline);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero-terminal .terminal-foot .verified {
  color: var(--registry-cyan);
}

/* ============================================================= BANDS */
section[id] {
  scroll-margin-top: 78px;
}

.band {
  position: relative;
  border-top: var(--border-width) solid var(--hairline);
  background: var(--ink-deep);
  color: var(--text-primary);
}

.band[data-band="panel"] {
  background: var(--ink-panel);
}

.band[data-band="control"] {
  background: var(--ink-control);
}

.band[data-band="proof"] {
  border-top-color: var(--hairline-cyan);
}

.section-shell {
  width: min(var(--maxw), calc(100% - 2 * var(--space-gutter)));
  margin: 0 auto;
  padding: var(--space-section) 0;
}

/* Numbered mono eyebrow: tick + "NN — LABEL" */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.1rem;
  font-size: var(--text-eyebrow);
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  background: var(--registry-cyan);
  flex: none;
}

.eyebrow.eyebrow-action::before {
  background: var(--rights-red-bright);
}

h2 {
  max-width: 22ch;
  font-size: var(--text-h1);
}

h3 {
  font-size: var(--text-h3);
  line-height: 1.15;
  color: var(--text-primary);
}

/* ---- 01 Thesis ---- */
.thesis-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
}

.thesis-copy {
  display: grid;
  gap: 22px;
  padding-top: 28px;
  padding-left: clamp(26px, 4vw, 56px);
  border-left: var(--border-width) solid var(--hairline);
}

.thesis-copy p {
  max-width: 62ch;
  color: var(--text-muted);
  font-size: var(--text-base);
}

/* ---- 02 Ecosystem rail ---- */
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.8fr);
  gap: 42px;
  align-items: end;
  margin-bottom: 48px;
}

.section-heading p {
  color: var(--text-muted);
}

.rail-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: var(--border-width) solid var(--hairline);
}

.rail-grid article {
  display: grid;
  min-height: 245px;
  align-content: start;
  gap: 18px;
  padding: 28px 22px;
  border-right: var(--border-width) solid var(--hairline);
}

.rail-grid article:last-child {
  border-right: 0;
}

.rail-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: var(--border-width) solid var(--hairline-cyan);
  border-radius: var(--radius-sm);
  color: var(--registry-cyan);
  font-size: 1.1rem;
  font-weight: 600;
}

.rail-grid h3 {
  color: var(--text-primary);
}

.rail-grid p {
  color: var(--text-muted);
}

/* ---- 03 Agentic commerce ---- */
.commerce-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
}

.commerce-layout p {
  max-width: 56ch;
  margin-top: 18px;
  color: var(--text-muted);
  font-size: var(--text-base);
}

.commerce-list {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.commerce-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  color: var(--text-primary);
  font-size: var(--text-sm);
}

.commerce-list li::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--registry-cyan);
}

.faq-list {
  display: grid;
  gap: 32px;
  margin: 0;
  padding: 0;
}

.faq-item dt {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.faq-item dd {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.faq-item dd a {
  color: var(--proof-sky);
}

.text-link {
  display: inline-flex;
  margin-top: 30px;
  color: var(--proof-sky);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color var(--dur-fast) var(--ease);
}

.text-link:hover {
  color: var(--registry-cyan);
}

.terminal-panel {
  overflow: hidden;
  border: var(--border-width) solid var(--hairline-cyan);
  border-radius: var(--radius);
  background: var(--ink-deep);
  color: var(--text-primary);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 18px 50px rgba(0, 0, 0, 0.45);
}

.terminal-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 13px 16px;
  border-bottom: var(--border-width) solid var(--hairline);
  color: var(--text-muted);
  font-size: var(--text-label);
  font-weight: 600;
}

.terminal-title strong {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--verified-emerald);
}

.terminal-title strong::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--verified-emerald);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--verified-emerald) 22%, transparent);
}

.terminal-panel pre {
  overflow: auto;
  margin: 0;
  padding: 22px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.62;
  white-space: pre;
  color: var(--text-primary);
}

/* ---- 04 Proof (cyan registry rule) ---- */
.proof-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(320px, 1fr);
  gap: 54px;
}

.section-lede {
  max-width: 52ch;
  margin-top: 18px;
  color: var(--text-muted);
}

.proof-ledger {
  display: grid;
  border-top: var(--border-width) solid var(--hairline);
}

.proof-ledger article {
  display: grid;
  grid-template-columns: 90px minmax(160px, 0.48fr) minmax(0, 1fr);
  gap: 24px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: var(--border-width) solid var(--hairline);
}

.proof-ledger span {
  color: var(--registry-cyan);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
}

.proof-ledger h3 {
  font-size: var(--text-h3);
}

.proof-ledger p {
  color: var(--text-muted);
}

/* ---- 05 Founder (Control Ink — the one featured band) ---- */
.founder-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) minmax(280px, 0.72fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.founder-portrait {
  border: var(--border-width) solid var(--hairline-cyan);
  border-radius: var(--radius);
  background: var(--ink-deep);
  overflow: hidden;
}

.founder-portrait img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: grayscale(1) contrast(1.06);
}

.founder-layout p {
  max-width: 64ch;
  margin-top: 22px;
  color: var(--text-muted);
}

.press-list {
  display: grid;
  border-top: var(--border-width) solid var(--hairline);
}

.press-list .eyebrow {
  margin-bottom: 0;
  padding: 18px 0 14px;
  font-size: var(--text-eyebrow);
}

.press-list a {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: var(--border-width) solid var(--hairline);
  transition: border-color var(--dur-fast) var(--ease);
}

.press-list a:hover {
  border-bottom-color: var(--hairline-cyan);
}

.press-list strong {
  color: var(--text-primary);
}

.press-list a:hover strong {
  color: var(--registry-cyan);
}

.press-list span {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
}

/* ---- 06 Books — Signal Chain editions and expert quotes ---- */
.section-heading {
  margin-bottom: clamp(2.5rem, 3vw, 4rem);
}

.section-heading p {
  max-width: 64ch;
  margin-top: 20px;
  color: var(--text-muted);
}

.section-lede {
  max-width: 64ch;
  margin-top: 20px;
  color: var(--text-muted);
  font-size: var(--text-base);
  line-height: 1.62;
}

/* Expert quotes — pair stacked or side-by-side */
.books-quotes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 3vw, 40px);
  margin-bottom: clamp(2.5rem, 4vw, 5rem);
}

.expert-quote {
  margin: 0;
  padding: clamp(20px, 3vw, 32px);
  border: var(--border-width) solid var(--hairline-cyan);
  border-left: 3px solid var(--registry-cyan);
  border-radius: var(--radius);
  background: var(--ink-panel);
}

.expert-quote blockquote {
  margin: 0;
  padding: 0;
}

.expert-quote blockquote p {
  color: var(--text-primary);
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-base);
  line-height: 1.7;
}

.expert-quote figcaption {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.expert-quote figcaption cite {
  font-style: normal;
}

/* Books grid — three editions */
.books-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: var(--border-width) solid var(--hairline);
  border-left: var(--border-width) solid var(--hairline);
}

.book-card {
  padding: clamp(20px, 3vw, 32px);
  border-right: var(--border-width) solid var(--hairline);
  border-bottom: var(--border-width) solid var(--hairline);
}

.book-card-head {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}

.book-edition {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--registry-cyan);
}

.book-card h3 {
  font-size: var(--text-h3);
  margin-bottom: 14px;
}

.book-card p {
  max-width: 52ch;
  margin-bottom: 24px;
}

.books-footer-note {
  margin-top: clamp(1.25rem, 2vw, 2rem);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.inline-link {
  color: var(--registry-cyan);
  transition: color var(--dur-fast) var(--ease);
}

.inline-link:hover {
  color: var(--proof-sky);
}

/* ---- 07 Contact / final CTA ---- */
.close-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
}

.final-cta p {
  max-width: 64ch;
  color: var(--text-muted);
  font-size: var(--text-base);
}

/* ============================================================= FOOTER */
.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 18px;
  align-items: center;
  padding: 22px var(--space-gutter);
  border-top: var(--border-width) solid var(--hairline);
  background: var(--ink-panel);
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 600;
}

.site-footer a {
  transition: color var(--dur-fast) var(--ease);
}

.site-footer a:hover {
  color: var(--registry-cyan);
}

/* ============================================================= SECTION RAIL (Variant B) */
.section-rail {
  position: fixed;
  top: 50%;
  right: clamp(0.75rem, 2vw, 2.25rem);
  transform: translateY(-50%);
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--dur-fast) var(--ease),
    visibility var(--dur-fast) var(--ease);
}

.section-rail.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.section-rail ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.section-rail a {
  display: block;
  position: relative;
  padding-left: 1.2rem;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  transition: color var(--dur-fast) var(--ease);
}

.section-rail a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0.65rem;
  height: 1px;
  background: var(--hairline);
  transform: translateY(-50%);
  transition:
    background var(--dur-fast) var(--ease),
    width var(--dur-fast) var(--ease);
}

.section-rail a:hover {
  color: var(--text-primary);
}

.section-rail a.is-active {
  color: var(--registry-cyan);
}

.section-rail a.is-active::before {
  background: var(--registry-cyan);
  width: 1.6rem;
}

/* ============================================================= RESPONSIVE */
@media (max-width: 1180px) {
  .hero-inner {
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.78fr);
  }

  .rail-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .rail-grid article:nth-child(3) {
    border-right: 0;
  }

  .rail-grid article:nth-child(n + 4) {
    border-top: var(--border-width) solid var(--hairline);
  }
}

@media (max-width: 1100px) {
  .section-rail {
    display: none;
  }
}

@media (max-width: 900px) {
  .books-quotes,
  .books-grid {
    grid-template-columns: 1fr;
  }

  .books-grid {
    border-left: 0;
  }

  .book-card {
    border-right: 0;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 96px;
  }

  .hero-inner,
  .thesis-layout,
  .commerce-layout,
  .proof-layout,
  .founder-layout,
  .close-layout,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .hero-terminal {
    justify-self: start;
    width: 100%;
  }

  .thesis-copy {
    border-left: 0;
    border-top: var(--border-width) solid var(--hairline);
    padding-top: 24px;
    padding-left: 0;
  }

  .proof-ledger article {
    grid-template-columns: 90px minmax(0, 1fr);
  }

  .proof-ledger p {
    grid-column: 2;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 58px;
    padding: 0 16px;
  }

  .brand-mark {
    font-size: 0.88rem;
  }

  .header-action {
    min-height: 34px;
    padding: 0 11px;
    font-size: 0.68rem;
  }

  .hero {
    padding-top: 84px;
  }

  h1 {
    line-height: 1.04;
  }

  .hero-actions,
  .founder-actions,
  .button {
    width: 100%;
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .hero-facts div,
  .hero-facts div:last-child {
    border-right: 0;
    border-bottom: var(--border-width) solid var(--hairline);
  }

  .hero-facts div:last-child {
    border-bottom: 0;
  }

  .rail-grid {
    grid-template-columns: 1fr;
  }

  .rail-grid article,
  .rail-grid article:nth-child(3) {
    min-height: 0;
    border-right: 0;
    border-bottom: var(--border-width) solid var(--hairline);
  }

  .rail-grid article:nth-child(n + 4) {
    border-top: 0;
  }

  .rail-grid article:last-child {
    border-bottom: 0;
  }

  .proof-ledger article,
  .commerce-list li {
    grid-template-columns: 1fr;
  }

  .proof-ledger p {
    grid-column: auto;
  }

  .hero-terminal pre,
  .terminal-panel pre {
    font-size: 0.68rem;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}

/* ============================================================= SUEDE MAP TERMINAL */

.section-intro {
  margin-bottom: clamp(1.5rem, 2vw, 2.5rem);
}

.section-intro h2 {
  margin-top: 0.3rem;
}

.suede-map-terminal {
  border: var(--border-width) solid var(--hairline-cyan);
  border-radius: var(--radius);
  background: var(--ink-control);
  overflow: hidden;
  margin: 0 0 clamp(1.5rem, 2.5vw, 2.5rem);
}

.suede-map-terminal pre {
  overflow: auto;
  margin: 0;
  padding: clamp(20px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: clamp(0.72rem, 0.62rem + 0.35vw, 0.83rem);
  line-height: 1.78;
  white-space: pre;
  color: var(--text-primary);
}

.map-id    { color: var(--proof-sky); }
.map-ok    { color: var(--verified-emerald); }
.map-muted { color: var(--text-muted); }

.terminal-meta {
  color: var(--text-muted);
}

.map-terminal-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-top: var(--border-width) solid var(--hairline);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.map-verified {
  color: var(--registry-cyan);
}

/* ============================================================= CONTACT PATHS */

.contact-paths {
  display: grid;
  border: var(--border-width) solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  align-self: center;
}

.path-row {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  border-bottom: var(--border-width) solid var(--hairline);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease);
}

.path-row:last-child {
  border-bottom: 0;
}

.path-row:hover {
  background: color-mix(in srgb, var(--registry-cyan) 4%, transparent);
}

.path-role {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: color var(--dur-fast) var(--ease);
}

.path-row:hover .path-role {
  color: var(--registry-cyan);
}

.path-desc {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.path-arrow {
  color: var(--text-muted);
  font-family: var(--font-mono);
  transition: transform var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.path-row:hover .path-arrow {
  transform: translateX(4px);
  color: var(--registry-cyan);
}

/* ============================================================= ECOSYSTEM DIRECTORY */

.eco-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: var(--border-width) solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: clamp(2.5rem, 4vw, 5rem);
}

.eco-col {
  display: grid;
  align-content: start;
  border-right: var(--border-width) solid var(--hairline);
}

.eco-col:last-child {
  border-right: 0;
}

.eco-col-head {
  margin: 0;
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: var(--border-width) solid var(--hairline);
  background: var(--ink-control);
}

.eco-card {
  display: grid;
  gap: 10px;
  padding: 20px;
  border-bottom: var(--border-width) solid var(--hairline);
  transition: background var(--dur-fast) var(--ease);
}

.eco-card:last-child {
  border-bottom: 0;
}

a.eco-card {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.eco-card:hover {
  background: color-mix(in srgb, var(--registry-cyan) 4%, transparent);
}

.eco-card h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.15;
}

.eco-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-xs);
  line-height: 1.55;
}

.eco-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--registry-cyan);
}

.eco-tag--proto { color: var(--verified-emerald); }
.eco-tag--pub   { color: var(--proof-sky); }

.eco-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border: var(--border-width) solid var(--verified-emerald);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--verified-emerald);
  width: fit-content;
}

.eco-badge--chain {
  border-color: var(--registry-cyan);
  color: var(--registry-cyan);
}

.eco-badge--pub {
  border-color: var(--proof-sky);
  color: var(--proof-sky);
}

.eco-footer-note {
  margin-top: clamp(1.5rem, 2vw, 2.5rem);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ============================================================= INFRASTRUCTURE STACK */

.stack-subhead {
  margin-bottom: 32px;
  padding-top: clamp(2rem, 3vw, 3.5rem);
  border-top: var(--border-width) solid var(--hairline);
}

.stack-subhead h3 {
  margin-top: 1rem;
  font-size: var(--text-h2);
  line-height: 1.1;
}

.stack-subhead p {
  max-width: 56ch;
  margin-top: 14px;
  color: var(--text-muted);
}

.stack-layers {
  display: grid;
  border-top: var(--border-width) solid var(--hairline-cyan);
}

.stack-layer {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 26px 0;
  border-bottom: var(--border-width) solid var(--hairline);
}

.stack-layer:last-child {
  border-bottom: 0;
}

.layer-num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--registry-cyan);
  letter-spacing: 0.06em;
}

.layer-body h3 {
  margin: 0 0 10px;
  font-size: clamp(1.1rem, 0.95rem + 0.6vw, 1.45rem);
}

.layer-body p {
  margin: 0 0 16px;
  max-width: 64ch;
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.layer-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.layer-tech span {
  padding: 3px 9px;
  border: var(--border-width) solid var(--hairline);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* ============================================================= CREDENTIAL PANEL */

.cred-panel {
  display: grid;
  margin: clamp(2rem, 3vw, 3.5rem) 0 0;
  border: var(--border-width) solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

.cred-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  min-height: 44px;
  border-bottom: var(--border-width) solid var(--hairline);
}

.cred-row:last-child {
  border-bottom: 0;
}

.cred-row dt {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  background: var(--ink-control);
  border-right: var(--border-width) solid var(--hairline);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-style: normal;
}

.cred-row dd {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  font-size: var(--text-xs);
  color: var(--text-primary);
  line-height: 1.5;
}

/* ============================================================= AUDIENCE PATHWAYS */

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border: var(--border-width) solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: clamp(2rem, 3vw, 3.5rem);
}

.audience-card {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: clamp(20px, 3vw, 32px);
  border-right: var(--border-width) solid var(--hairline);
}

.audience-card:last-child {
  border-right: 0;
}

.audience-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--registry-cyan);
}

.audience-card p {
  margin: 0;
  max-width: 42ch;
}

.audience-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ============================================================= CONTACT RAIL */

.contact-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: var(--border-width) solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

.contact-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  border-right: var(--border-width) solid var(--hairline);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.contact-link:last-child {
  border-right: 0;
}

.contact-link:hover {
  color: var(--registry-cyan);
  background: color-mix(in srgb, var(--registry-cyan) 4%, transparent);
}

.contact-arrow {
  color: var(--text-muted);
  transition: transform var(--dur-fast) var(--ease);
}

.contact-link:hover .contact-arrow {
  transform: translateX(4px);
  color: var(--registry-cyan);
}

/* ============================================================= RESPONSIVE (additions) */

@media (max-width: 1200px) {
  .eco-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .eco-col:nth-child(2n) {
    border-right: 0;
  }

  .eco-col:nth-child(n + 3) {
    border-top: var(--border-width) solid var(--hairline);
  }
}

@media (max-width: 680px) {
  .eco-grid {
    grid-template-columns: 1fr;
  }

  .eco-col {
    border-right: 0;
    border-bottom: var(--border-width) solid var(--hairline);
  }

  .eco-col:last-child {
    border-bottom: 0;
  }

  .eco-col-head {
    display: none;
  }

  .eco-col:first-child .eco-col-head {
    display: block;
  }

  .audience-grid,
  .contact-rail {
    grid-template-columns: 1fr;
  }

  .audience-card,
  .contact-link {
    border-right: 0;
    border-bottom: var(--border-width) solid var(--hairline);
  }

  .audience-card:last-child,
  .contact-link:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 900px) {
  .stack-layer {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 16px;
  }

  .cred-row {
    grid-template-columns: 90px minmax(0, 1fr);
  }

  .path-row {
    grid-template-columns: 120px minmax(0, 1fr) 20px;
    gap: 12px;
    padding: 18px 20px;
  }

  #work-with-us .close-layout {
    grid-template-columns: 1fr;
    gap: clamp(24px, 4vw, 40px);
  }
}

@media (max-width: 680px) {
  .eco-grid {
    border-radius: 0;
    border-left: 0;
    border-right: 0;
  }

  .stack-layer {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .layer-num {
    padding-top: 0;
    font-size: 0.9rem;
  }

  .cred-row {
    grid-template-columns: 1fr;
    min-height: unset;
  }

  .cred-row dt {
    border-right: 0;
    border-bottom: var(--border-width) solid var(--hairline);
    padding: 8px 16px;
  }

  .cred-row dd {
    padding: 8px 16px 14px;
  }

  .audience-grid {
    border-radius: 0;
    border-left: 0;
    border-right: 0;
  }

  .path-row {
    grid-template-columns: minmax(0, 1fr) 20px;
    row-gap: 4px;
  }

  .path-role  { grid-column: 1; grid-row: 1; }
  .path-desc  { grid-column: 1; grid-row: 2; font-size: var(--text-xs); }
  .path-arrow { grid-column: 2; grid-row: 1 / 3; align-self: center; }

  .contact-rail {
    grid-template-columns: 1fr 1fr;
  }

  .contact-link:nth-child(odd) {
    border-right: var(--border-width) solid var(--hairline);
  }

  .contact-link:nth-child(even) {
    border-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .section-rail a,
  .section-rail a::before {
    transition: none;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ============================================================================
   Granola-inspired light editorial system for suedeai.org.
   Keeps Suede's proof/ownership content, but moves the public face from
   institutional terminal to warm product artifact.
   ========================================================================== */

:root {
  --paper: #f8f5ee;
  --paper-warm: #efe9da;
  --paper-green: #dce96a;
  --paper-coral: #e88b65;
  --ink-deep: #242424;
  --ink-panel: #f1ecdf;
  --ink-control: #fbfaf5;
  --text-primary: #242424;
  --text-muted: #5d5a53;
  --text-soft: #625d55;
  --hairline: rgba(36, 36, 36, 0.12);
  --hairline-cyan: rgba(36, 36, 36, 0.12);
  --rights-red: #5a6900;
  --rights-red-bright: #3f4e00;
  --registry-cyan: #5a6900;
  --proof-sky: #41606b;
  --verified-emerald: #4d6100;
  --warning-amber: #c26b3d;
  --charcoal: #272724;
  --charcoal-soft: #363631;
  --shadow-soft: 0 26px 70px rgba(49, 45, 37, 0.16);
  --shadow-tight: 0 12px 28px rgba(49, 45, 37, 0.12);
  --radius: 8px;
  --radius-sm: 8px;
  --text-display: 5.35rem;
  --text-h1: 3.15rem;
  --text-h2: 2.35rem;
  --text-h3: 1.28rem;
  --text-lede: 1.24rem;
  --text-base: 1rem;
  --space-section: 6.25rem;
  --space-gutter: 2.5rem;
  --maxw: 1200px;
}

html {
  background: var(--paper);
}

body {
  overflow-x: hidden;
  background:
    linear-gradient(90deg, rgba(36, 36, 36, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(36, 36, 36, 0.03) 1px, transparent 1px),
    var(--paper);
  background-size: 36px 36px;
  color: var(--text-primary);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.65'/%3E%3C/svg%3E");
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

p {
  color: var(--text-muted);
}

.grain::after {
  display: none;
}

.site-header {
  top: 14px;
  left: 24px;
  right: 24px;
  inset: 14px 24px auto;
  grid-template-columns: minmax(150px, 1fr) auto minmax(150px, 1fr);
  min-height: 48px;
  padding: 0 10px 0 18px;
  border: 1px solid rgba(36, 36, 36, 0.08);
  border-radius: 999px;
  background: color-mix(in srgb, var(--ink-control) 86%, transparent);
  box-shadow: 0 10px 30px rgba(43, 40, 34, 0.08);
}

.brand-mark {
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: none;
}

.brand-mark::before {
  content: "";
  display: inline-block;
  width: 1.05rem;
  height: 1.05rem;
  margin-right: 0.42rem;
  border: 2px solid var(--text-primary);
  border-radius: 50%;
  vertical-align: -0.14rem;
  background:
    radial-gradient(circle at center, transparent 33%, var(--text-primary) 34% 43%, transparent 44%),
    conic-gradient(from 35deg, var(--text-primary) 0 24%, transparent 24% 38%, var(--text-primary) 38% 65%, transparent 65% 78%, var(--text-primary) 78%);
}

.nav-links {
  gap: 24px;
}

.nav-links a,
.header-action {
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.93rem;
  font-weight: 560;
  letter-spacing: 0;
  text-transform: none;
}

.nav-links a:hover {
  color: var(--rights-red-bright);
}

.header-action {
  min-height: 36px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: var(--paper-warm);
  box-shadow: inset 0 0 0 1px rgba(36, 36, 36, 0.05);
}

.header-action:hover {
  background: var(--paper-green);
  color: var(--text-primary);
}

.hero {
  min-height: 680px;
  padding: 112px 0 34px;
  border-bottom: 0;
  background:
    linear-gradient(90deg, transparent 0 48%, var(--paper-green) 48% 56%, transparent 56%),
    var(--paper);
  color: var(--text-primary);
}

.hero::before {
  content: "";
  position: absolute;
  top: 89px;
  right: 0;
  width: min(38vw, 500px);
  height: 590px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent 38%),
    linear-gradient(45deg, #1d2529, #354b56 44%, #d57c5e 45%, #3f2e38 58%, #172022);
  background-size: cover;
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%, 0 12%);
  opacity: 0.94;
}

.hero-inner {
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 0.85fr);
  gap: 42px;
  align-items: center;
}

.hero-copy {
  max-width: 690px;
}

.hero-kicker,
.eyebrow {
  color: var(--text-soft);
  font-family: var(--font-ui);
  font-size: 0.93rem;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: none;
}

.hero-kicker::before,
.eyebrow::before {
  width: 1rem;
  height: 1rem;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: transparent;
  box-shadow: inset 0 0 0 4px var(--paper);
}

.eyebrow.eyebrow-action::before {
  background: transparent;
}

h1 {
  max-width: 11.2ch;
  color: var(--text-primary);
  font-size: var(--text-display);
  line-height: 0.98;
}

.hero-lede {
  max-width: 28ch;
  margin-top: 24px;
  color: var(--text-primary);
  font-size: var(--text-lede);
  font-weight: 560;
  line-height: 1.28;
}

.hero-line {
  max-width: 38ch;
  margin-top: 14px;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.45;
}

.hero-actions,
.founder-actions {
  gap: 12px;
  margin-top: 30px;
}

.button {
  min-height: 56px;
  padding: 0 26px;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  box-shadow: none;
}

.button::after,
.text-link::after,
.header-action::after {
  content: "";
  margin-left: 0;
}

.button-primary {
  border-color: var(--rights-red);
  background: var(--rights-red);
  color: #fbfaf5;
}

.button-primary:hover {
  border-color: var(--rights-red-bright);
  background: var(--rights-red-bright);
}

.button-secondary,
.button-secondary.light,
.button-secondary.dark {
  border-color: rgba(36, 36, 36, 0.12);
  background: color-mix(in srgb, var(--ink-control) 70%, transparent);
  color: var(--text-primary);
}

.button-secondary:hover,
.button-secondary.light:hover,
.button-secondary.dark:hover {
  border-color: rgba(36, 36, 36, 0.2);
  background: var(--paper-warm);
  color: var(--text-primary);
}

.button-text {
  min-height: 44px;
  color: var(--text-muted);
}

.button-text:hover {
  color: var(--rights-red-bright);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  width: min(560px, 100%);
  margin-top: 22px;
  border: 0;
  gap: 8px;
}

.hero-facts div {
  display: inline-grid;
  grid-template-columns: auto auto;
  gap: 8px;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(36, 36, 36, 0.09);
  border-radius: 999px;
  background: color-mix(in srgb, var(--ink-control) 82%, transparent);
}

.hero-facts dt {
  margin: 0;
  color: var(--text-soft);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0;
  text-transform: none;
}

.hero-facts dd {
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 730;
  line-height: 1;
}

.hero-facts div:last-child {
  border-right: 1px solid rgba(36, 36, 36, 0.09);
}

.hero-terminal {
  width: min(500px, 100%);
  border: 1px solid rgba(36, 36, 36, 0.1);
  border-radius: var(--radius);
  background: #fdfcf7;
  box-shadow: var(--shadow-soft);
  transform: translateY(12px);
}

.hero-terminal .terminal-title {
  padding: 18px 22px 8px;
  border-bottom: 0;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  letter-spacing: 0;
  text-transform: none;
}

.hero-terminal .terminal-title::before {
  content: "";
  width: 40px;
  height: 12px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 6px 6px, #ef6d5a 0 5px, transparent 5.5px),
    radial-gradient(circle at 20px 6px, #f1c75b 0 5px, transparent 5.5px),
    radial-gradient(circle at 34px 6px, #52bd63 0 5px, transparent 5.5px);
}

.hero-terminal .terminal-title span {
  margin-left: auto;
}

.hero-terminal .terminal-title strong {
  color: var(--verified-emerald);
  font-weight: 700;
}

.hero-terminal .terminal-title strong::before {
  display: none;
}

.receipt-note {
  padding: 28px 30px 34px;
}

.receipt-title {
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 2.15rem;
  line-height: 1.08;
}

.receipt-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.receipt-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(36, 36, 36, 0.09);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.83rem;
}

.receipt-body {
  display: grid;
  gap: 12px;
  margin-top: 34px;
}

.receipt-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(36, 36, 36, 0.09);
}

.receipt-field span {
  color: var(--text-muted);
}

.receipt-field strong {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
}

.receipt-route {
  margin-top: 28px;
}

.receipt-route span {
  display: block;
  height: 11px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(36, 36, 36, 0.08);
}

.receipt-route span::before {
  content: "";
  display: block;
  width: var(--route-fill, 80%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--rights-red), var(--paper-green));
}

.receipt-route p {
  margin-top: 10px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 650;
}

.hero-terminal .terminal-foot {
  padding: 14px 22px 18px;
  border-top: 1px solid rgba(36, 36, 36, 0.08);
  color: var(--text-soft);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  letter-spacing: 0;
  text-transform: none;
}

.hero-terminal .terminal-foot .verified {
  color: var(--verified-emerald);
}

.band,
.band[data-band="panel"],
.band[data-band="deep"],
.band[data-band="control"] {
  border-top: 1px solid rgba(36, 36, 36, 0.09);
  background: var(--paper);
  color: var(--text-primary);
}

.band[data-band="panel"],
#books {
  background: var(--paper-warm);
}

.band[data-band="skills"] {
  background: #fdfcf7;
}

#proof {
  background: var(--charcoal);
  color: #f7f3e9;
}

#proof p,
#proof .section-lede,
#proof .proof-ledger p,
#proof .cred-row dd {
  color: rgba(247, 243, 233, 0.76);
}

#proof h2,
#proof h3,
#proof .cred-row dt {
  color: #f7f3e9;
}

#proof .eyebrow,
#proof .proof-ledger span {
  color: var(--paper-green);
}

#proof .inline-link {
  color: var(--paper-green);
  text-decoration-color: rgba(220, 233, 106, 0.42);
}

#proof .inline-link:hover {
  color: #f7f3e9;
  text-decoration-color: currentColor;
}

.section-shell {
  padding: var(--space-section) 0;
}

h2 {
  max-width: 16ch;
  color: var(--text-primary);
  font-size: var(--text-h1);
  line-height: 1;
}

h3 {
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: var(--text-h3);
  font-weight: 750;
}

.thesis-layout,
.skills-layout,
.commerce-layout,
.close-layout,
.section-heading {
  gap: 48px;
}

.thesis-copy {
  border-left: 0;
  padding: 24px 0 0;
}

.thesis-copy p,
.skills-copy .section-lede,
.commerce-layout p,
.section-lede {
  color: var(--text-muted);
  font-size: 1.08rem;
  line-height: 1.56;
}

.skills-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.72fr);
  align-items: start;
}

.skills-copy {
  max-width: 760px;
}

.skills-title {
  max-width: 17ch;
}

.skills-copy .section-lede {
  max-width: 67ch;
  margin-top: 18px;
}

.skills-copy code {
  padding: 0.08em 0.32em;
  border: 1px solid rgba(36, 36, 36, 0.08);
  border-radius: 6px;
  background: color-mix(in srgb, var(--paper-warm) 62%, transparent);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.92em;
}

.skills-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.skills-install {
  overflow: hidden;
  border: 1px solid rgba(36, 36, 36, 0.1);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-tight);
}

.skills-install .terminal-title {
  border-bottom: 1px solid rgba(36, 36, 36, 0.08);
}

.skills-command {
  margin: 24px 24px 18px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--charcoal);
  color: #f7f3e9;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.skills-list {
  display: grid;
  margin: 0 24px 24px;
  padding: 0;
  list-style: none;
}

.skills-list li {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid rgba(36, 36, 36, 0.09);
}

.skills-list span {
  color: var(--proof-sky);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.skills-list strong {
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.95rem;
}

.skills-proof-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 2px;
}

.skills-proof-card {
  min-height: 196px;
  padding: 22px;
  border: 1px solid rgba(36, 36, 36, 0.09);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--paper-warm) 52%, transparent);
  box-shadow: var(--shadow-tight);
}

.skills-proof-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  min-height: 28px;
  margin-bottom: 22px;
  border: 1px solid rgba(36, 36, 36, 0.1);
  border-radius: 999px;
  background: var(--paper-green);
  color: var(--rights-red-bright);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 800;
}

.skills-proof-card h3 {
  margin-bottom: 10px;
}

.skills-proof-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

.suede-map-terminal,
.terminal-panel,
.contact-paths,
.eco-grid,
.cred-panel,
.audience-grid,
.contact-rail {
  border: 1px solid rgba(36, 36, 36, 0.1);
  border-radius: var(--radius);
  background: #fdfcf7;
  box-shadow: var(--shadow-tight);
}

.suede-map-terminal {
  position: relative;
  overflow: hidden;
}

.suede-map-terminal::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 14px;
  background: var(--paper-green);
}

.terminal-title,
.map-terminal-foot,
.eco-col-head {
  border-color: rgba(36, 36, 36, 0.08);
  background: color-mix(in srgb, var(--paper-warm) 66%, transparent);
  color: var(--text-muted);
  font-family: var(--font-ui);
  letter-spacing: 0;
  text-transform: none;
}

.terminal-title strong {
  color: var(--verified-emerald);
}

.terminal-title strong::before {
  background: var(--verified-emerald);
  box-shadow: 0 0 0 3px rgba(111, 127, 0, 0.14);
}

.suede-map-terminal pre,
.terminal-panel pre {
  color: var(--text-primary);
}

.map-id,
.t-id,
.inline-link,
.text-link {
  color: var(--proof-sky);
}

.map-ok,
.t-ok,
.map-verified {
  color: var(--verified-emerald);
}

.t-prompt {
  color: var(--rights-red);
}

.t-muted,
.map-muted {
  color: var(--text-soft);
}

.eco-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  margin-bottom: 2.8rem;
}

.eco-col,
.eco-card,
.book-card,
.expert-quote,
.cred-row,
.path-row {
  border-color: rgba(36, 36, 36, 0.09);
}

.eco-card:hover,
.path-row:hover {
  background: color-mix(in srgb, var(--paper-green) 28%, transparent);
}

.eco-card h3 {
  font-family: var(--font-ui);
  font-size: 1.03rem;
}

.eco-card p {
  color: var(--text-muted);
}

.eco-tag,
.eco-badge,
.book-edition,
.path-role,
.site-footer,
.books-footer-note {
  font-family: var(--font-ui);
  letter-spacing: 0;
  text-transform: none;
}

.eco-badge,
.eco-badge--chain,
.eco-badge--pub {
  border-radius: 999px;
  background: color-mix(in srgb, var(--paper-green) 40%, transparent);
  color: var(--rights-red-bright);
}

.commerce-list li {
  color: var(--text-primary);
}

.commerce-list li::before {
  height: 2px;
  background: var(--rights-red);
}

.text-link {
  font-family: var(--font-ui);
  font-size: 0.96rem;
  letter-spacing: 0;
  text-transform: none;
}

.text-link:hover,
.inline-link:hover {
  color: var(--rights-red-bright);
}

.proof-ledger {
  gap: 14px;
  border-top: 0;
}

.proof-ledger article {
  grid-template-columns: 92px minmax(150px, 0.45fr) minmax(0, 1fr);
  padding: 22px 24px;
  border: 1px solid rgba(247, 243, 233, 0.1);
  border-radius: var(--radius);
  background: var(--charcoal-soft);
}

.cred-panel {
  overflow: hidden;
  margin-top: 28px;
  background: color-mix(in srgb, var(--charcoal-soft) 92%, #f7f3e9);
}

.cred-row {
  border-color: rgba(247, 243, 233, 0.1);
}

.cred-row dt {
  border-color: rgba(247, 243, 233, 0.1);
}

.founder-layout {
  grid-template-columns: 220px minmax(0, 1fr) minmax(280px, 0.75fr);
}

.founder-portrait {
  border: 1px solid rgba(36, 36, 36, 0.1);
  border-radius: var(--radius);
  background: var(--paper-warm);
  box-shadow: var(--shadow-tight);
}

.founder-portrait img {
  filter: none;
}

.press-list a:hover strong,
.path-row:hover .path-role {
  color: var(--rights-red-bright);
}

.expert-quote {
  border-left: 0;
  background: #fdfcf7;
  box-shadow: var(--shadow-tight);
}

.expert-quote blockquote p {
  color: var(--text-primary);
}

.book-card {
  background: color-mix(in srgb, #fdfcf7 68%, transparent);
}

.contact-paths {
  background: #fdfcf7;
}

.path-role {
  color: var(--text-primary);
  font-weight: 750;
}

.path-arrow {
  color: var(--rights-red);
}

.site-footer {
  grid-template-columns: 1fr auto auto auto auto;
  border-top: 1px solid rgba(36, 36, 36, 0.1);
  background: var(--paper);
  color: var(--text-muted);
  font-size: 0.86rem;
}

.site-footer__topics {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding-top: 2px;
}

.site-footer a:hover {
  color: var(--rights-red-bright);
}

.section-rail a {
  color: var(--text-soft);
  font-family: var(--font-ui);
  letter-spacing: 0;
  text-transform: none;
}

.section-rail a.is-active {
  color: var(--rights-red-bright);
}

.section-rail a.is-active::before {
  background: var(--rights-red-bright);
}

@media (max-width: 1400px) {
  .section-rail {
    display: none;
  }
}

@media (max-width: 1180px) {
  :root {
    --text-display: 4.45rem;
    --text-h1: 2.85rem;
    --space-gutter: 1.5rem;
  }

  .hero {
    background:
      linear-gradient(90deg, transparent 0 50%, var(--paper-green) 50% 58%, transparent 58%),
      var(--paper);
  }

  .hero-inner {
    grid-template-columns: minmax(0, 0.88fr) minmax(360px, 0.8fr);
  }
}

@media (max-width: 900px) {
  :root {
    --text-display: 4rem;
    --text-h1: 2.45rem;
    --space-section: 4.75rem;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .hero {
    min-height: auto;
    padding: 96px 0 36px;
    background:
      linear-gradient(180deg, transparent 0 44%, var(--paper-green) 44% 53%, transparent 53%),
      var(--paper);
  }

  .hero::before {
    top: auto;
    right: -80px;
    bottom: 36px;
    width: 340px;
    height: 260px;
    opacity: 0.55;
  }

  .hero-inner,
  .thesis-layout,
  .skills-layout,
  .commerce-layout,
  .founder-layout,
  .close-layout,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .hero-terminal {
    justify-self: start;
    transform: none;
  }

  .thesis-copy {
    border-top: 1px solid rgba(36, 36, 36, 0.09);
  }

  .eco-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .skills-proof-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .proof-ledger article {
    grid-template-columns: 84px minmax(0, 1fr);
  }

  .proof-ledger p {
    grid-column: 2;
  }
}

@media (max-width: 680px) {
  :root {
    --text-display: 3.1rem;
    --text-h1: 2.1rem;
    --text-lede: 1.12rem;
    --space-gutter: 1rem;
  }

  .site-header {
    left: 10px;
    right: 10px;
    inset: 10px 10px auto;
    min-height: 50px;
  }

  .brand-mark {
    font-size: 0.98rem;
  }

  .header-action {
    min-height: 34px;
    padding: 0 12px;
    font-size: 0.85rem;
  }

  .hero {
    padding-top: 86px;
  }

  h1 {
    max-width: 11ch;
  }

  .hero-lede {
    max-width: 24ch;
  }

  .button,
  .hero-actions,
  .skills-actions,
  .skills-actions .button,
  .founder-actions {
    width: 100%;
  }

  .hero-facts {
    display: flex;
  }

  .receipt-note {
    padding: 22px 20px 28px;
  }

  .receipt-field {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .eco-grid,
  .skills-proof-grid,
  .books-grid,
  .books-quotes {
    grid-template-columns: 1fr;
  }

  .skills-install,
  .skills-proof-card {
    box-shadow: none;
  }

  .skills-command {
    margin: 20px 20px 14px;
    font-size: 0.82rem;
  }

  .skills-list {
    margin: 0 20px 20px;
  }

  .proof-ledger article {
    grid-template-columns: 1fr;
  }

  .proof-ledger p {
    grid-column: auto;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-terminal,
  .button,
  .eco-card,
  .skills-proof-card,
  .path-row {
    transition: none;
  }
}