/* Graxeon — Marketing site styles */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  /* ── Base palette ── */
  --bg:           #0d0d15;
  --surface:      #161624;
  --surface-2:    #1d1d30;
  --surface-3:    #242438;
  --border:       #2c2c46;
  --border-2:     #3a3a58;
  --text:         #eaeaf4;
  --text-muted:   #6060a0;
  --text-dim:     #8888b8;

  /* ── Accent colours ── */
  --green:        #1db87a;
  --green-hover:  #18a06b;
  --green-bg:     rgba(29, 184, 122, 0.08);
  --green-border: rgba(29, 184, 122, 0.25);

  --amber:        #d4890a;
  --amber-hover:  #b87208;
  --amber-bg:     rgba(212, 137, 10, 0.08);
  --amber-border: rgba(212, 137, 10, 0.28);

  --rust:         #c94535;
  --rust-bg:      rgba(201, 69, 53, 0.08);
  --rust-border:  rgba(201, 69, 53, 0.28);

  --steel:        #2d85b0;
  --steel-bg:     rgba(45, 133, 176, 0.08);
  --steel-border: rgba(45, 133, 176, 0.28);

  --error:        #c94535;

  /* ── Layout ── */
  --radius:      4px;
  --radius-lg:   8px;
  --max-width:   1100px;
  --nav-height:  60px;

  /* ── Typography ── */
  --font:      -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;

  /* ── Shadows ── */
  --shadow-card:       4px 4px 0 var(--border);
  --shadow-card-hover: 4px 4px 0 var(--green);
  --shadow-amber:      4px 4px 0 var(--amber);
  --shadow-featured:   6px 6px 0 var(--green);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: none; }

code {
  font-family: var(--font-mono);
  font-size: 0.83em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2px 5px;
  color: #a0f0d0;
}

/* ── Nav ──────────────────────────────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(13, 13, 21, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__logo {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--green);
  letter-spacing: -0.01em;
  flex-shrink: 0;
  font-family: var(--font-mono);
}
.nav__logo:hover { color: var(--green-hover); }

.nav__links {
  display: flex;
  gap: 2px;
  flex: 1;
  list-style: none;
}

.nav__links a {
  display: block;
  padding: 6px 12px;
  color: var(--text-muted);
  font-size: 0.875rem;
  border-radius: var(--radius);
  transition: color 0.12s, background 0.12s;
}
.nav__links a:hover  { color: var(--text); background: var(--surface-2); }
.nav__links a.active { color: var(--text); }

.nav__actions { display: flex; gap: 10px; align-items: center; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: var(--font);
  transition: background 0.12s, border-color 0.12s, color 0.12s, box-shadow 0.12s, transform 0.1s;
  white-space: nowrap;
  line-height: 1;
}

.btn--primary {
  background: var(--green);
  color: #fff;
  border: 2px solid var(--green);
}
.btn--primary:hover {
  background: var(--green-hover);
  border-color: var(--green-hover);
  color: #fff;
  box-shadow: var(--shadow-card-hover);
  transform: translate(-1px, -1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn--ghost:hover {
  border-color: var(--text-muted);
  color: var(--text);
  box-shadow: 3px 3px 0 var(--border);
  transform: translate(-1px, -1px);
}

.btn--amber {
  background: var(--amber);
  color: #fff;
  border: 2px solid var(--amber);
}
.btn--amber:hover {
  background: var(--amber-hover);
  border-color: var(--amber-hover);
  color: #fff;
  box-shadow: var(--shadow-amber);
  transform: translate(-1px, -1px);
}

.btn--lg { padding: 12px 26px; font-size: 0.95rem; }

/* ── Stamp ────────────────────────────────────────────────────────────────── */

.stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-width: 2px;
  border-style: solid;
}

.stamp--green  { color: var(--green);  border-color: var(--green);  background: var(--green-bg); }
.stamp--amber  { color: var(--amber);  border-color: var(--amber);  background: var(--amber-bg); }
.stamp--rust   { color: var(--rust);   border-color: var(--rust);   background: var(--rust-bg); }
.stamp--steel  { color: var(--steel);  border-color: var(--steel);  background: var(--steel-bg); }

/* ── Section anatomy ──────────────────────────────────────────────────────── */

.section { padding: 88px 32px; }

.section--alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* dot-grid texture */
.section--dotted {
  background-image:
    radial-gradient(circle, rgba(44, 44, 70, 0.7) 1px, transparent 1px);
  background-size: 28px 28px;
}

.section--amber {
  background: #110e05;
  border-top: 1px solid var(--amber-border);
  border-bottom: 1px solid var(--amber-border);
}

.section__inner { max-width: var(--max-width); margin: 0 auto; }

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-eyebrow--amber { color: var(--amber); }
.section-eyebrow--steel { color: var(--steel); }

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.12;
}

.section-sub {
  font-size: 0.97rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.72;
  margin-bottom: 52px;
}

/* ── Hero ─────────────────────────────────────────────────────────────────── */

.hero {
  padding: 100px 32px 80px;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero__glow {
  position: absolute;
  top: -300px;
  left: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(29,184,122,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.hero__text { position: relative; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 28px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero__headline {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 22px;
}

.hero__headline em {
  font-style: normal;
  color: var(--green);
}

.hero__sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 460px;
  line-height: 1.75;
  margin-bottom: 36px;
}

.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── Card stack (hero visual) ─────────────────────────────────────────────── */

.card-stack {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin-left: auto;
  height: 340px;
}

.knode {
  position: absolute;
  width: 100%;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.knode--3 {
  top: 24px;
  left: 18px;
  opacity: 0.38;
  transform: rotate(4deg);
  z-index: 1;
}

.knode--2 {
  top: 12px;
  left: 9px;
  opacity: 0.65;
  transform: rotate(2deg);
  z-index: 2;
}

.knode--1 {
  top: 0;
  left: 0;
  z-index: 3;
  border-color: var(--border-2);
  box-shadow: 6px 6px 0 var(--border);
}

.knode__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.knode__type {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius);
  border: 1px solid;
}

.knode__type--article { color: var(--amber); border-color: var(--amber-border); background: var(--amber-bg); }
.knode__type--concept { color: var(--steel); border-color: var(--steel-border); background: var(--steel-bg); }
.knode__type--person  { color: var(--rust);  border-color: var(--rust-border);  background: var(--rust-bg); }

.knode__id {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

.knode__name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}

.knode__fields {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.kfield {
  display: flex;
  gap: 0;
  font-size: 0.78rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.kfield__k {
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--surface-2);
  padding: 3px 8px;
  border-right: 1px solid var(--border);
  flex-shrink: 0;
}

.kfield__v {
  color: var(--text-dim);
  padding: 3px 8px;
}

.knode__links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.knode__link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
}

.knode__link::before { content: "→ "; opacity: 0.6; }

/* The YOURS stamp */
.knode__stamp {
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  border: 2px solid var(--amber);
  padding: 2px 7px;
  transform: rotate(6deg);
  opacity: 0.85;
  background: var(--amber-bg);
}

/* ── Features ─────────────────────────────────────────────────────────────── */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s, transform 0.15s, border-color 0.15s;
}

.feature-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--green);
  transform: translate(-1px, -1px);
}

.feature-card--amber:hover { box-shadow: var(--shadow-amber); border-color: var(--amber); }
.feature-card--steel:hover { box-shadow: 4px 4px 0 var(--steel); border-color: var(--steel); }
.feature-card--rust:hover  { box-shadow: 4px 4px 0 var(--rust); border-color: var(--rust); }

.feature-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border: 1px solid;
  flex-shrink: 0;
}

.icon--green { color: var(--green); background: var(--green-bg); border-color: var(--green-border); }
.icon--amber { color: var(--amber); background: var(--amber-bg); border-color: var(--amber-border); }
.icon--steel { color: var(--steel); background: var(--steel-bg); border-color: var(--steel-border); }
.icon--rust  { color: var(--rust);  background: var(--rust-bg);  border-color: var(--rust-border); }

.feature-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.feature-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.72;
}

/* ── How it works — connected flow ───────────────────────────────────────── */

.flow {
  display: grid;
  grid-template-columns: 1fr 40px 1fr 40px 1fr 40px 1fr;
  align-items: start;
  gap: 0;
}

.flow-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.flow-card__app {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.flow-card__app--studio  { color: var(--amber); }
.flow-card__app--explor  { color: var(--steel); }
.flow-card__app--yours   { color: var(--green); }

.flow-card__step {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.flow-card__title {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.flow-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 48px;
  color: var(--border-2);
}

.flow-arrow svg { flex-shrink: 0; }

/* ── Ownership section ────────────────────────────────────────────────────── */

.ownership-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.ownership-badges {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 32px;
}

.ownership-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* KGL file "certificate" card */
.kgl-cert {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 6px 6px 0 var(--amber-border);
}

.kgl-cert__titlebar {
  background: var(--surface-2);
  border-bottom: 2px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.kgl-cert__filename {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber);
  font-weight: 600;
}

.kgl-cert__lang {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-left: auto;
  letter-spacing: 0.05em;
}

.kgl-cert__body {
  padding: 20px 24px;
}

.kgl-cert__body pre {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text-dim);
  white-space: pre;
}

.kgl-line--directive { color: var(--steel); }
.kgl-line--key       { color: var(--amber); }
.kgl-line--value     { color: var(--text-dim); }
.kgl-line--tag       { color: var(--green); }
.kgl-line--link      { color: var(--green); }
.kgl-line--sep       { color: var(--border-2); }
.kgl-line--body      { color: var(--text-muted); font-style: italic; }

.kgl-cert__footer {
  border-top: 2px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kgl-cert__path {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ── OSS banner ───────────────────────────────────────────────────────────── */

.oss-banner {
  background: var(--surface);
  border: 2px solid var(--green-border);
  border-radius: var(--radius-lg);
  padding: 60px 56px;
  text-align: center;
  box-shadow: 6px 6px 0 var(--green-bg);
  position: relative;
  overflow: hidden;
}

.oss-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(44,44,70,0.5) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.oss-banner__title {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  position: relative;
}

.oss-banner__sub {
  font-size: 0.97rem;
  color: var(--text-muted);
  max-width: 440px;
  margin: 0 auto 32px;
  line-height: 1.72;
  position: relative;
}

.oss-banner__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ── Pricing ──────────────────────────────────────────────────────────────── */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-card);
}

.pricing-card--featured {
  border: 2px solid var(--green);
  box-shadow: var(--shadow-featured);
}

.pricing-card__popular {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.pricing-card__name {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: 3px;
  margin-bottom: 6px;
}

.pricing-card__amount {
  font-size: 2.6rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
}

.pricing-card__currency {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
  align-self: flex-start;
  margin-top: 5px;
}

.pricing-card__period {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.pricing-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 14px 0 28px;
  min-height: 52px;
}

.pricing-card__cta {
  width: 100%;
  justify-content: center;
  margin-bottom: 28px;
  padding: 11px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.pricing-features li {
  display: flex;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.pricing-features li svg { flex-shrink: 0; color: var(--green); margin-top: 1px; }

.pricing-faq { max-width: 680px; margin: 0 auto; }

.pricing-faq__item {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}

.pricing-faq__q {
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.pricing-faq__a {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.72;
}

/* ── Auth / Signup ────────────────────────────────────────────────────────── */

.auth-wrap {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  position: relative;
}

.auth-wrap__glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse at center, rgba(29,184,122,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.auth-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.auth-card__logo {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 28px;
}

.auth-card__title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.auth-card__sub {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.form-field { margin-bottom: 16px; }

.form-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 6px;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.form-field input {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.12s;
}

.form-field input:focus { border-color: var(--green); }

.auth-submit {
  width: 100%;
  justify-content: center;
  padding: 12px;
  margin-top: 8px;
  font-size: 0.95rem;
  border-radius: var(--radius);
}

.auth-error {
  background: var(--rust-bg);
  border: 1px solid var(--rust-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--rust);
  margin-bottom: 16px;
  display: none;
}

.auth-error--show { display: block; }

.auth-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.auth-footer a { color: var(--green); }

/* ── Docs layout ──────────────────────────────────────────────────────────── */

.docs-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 32px 80px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  min-height: calc(100vh - var(--nav-height));
}

.docs-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  align-self: start;
}

.docs-sidebar__group { margin-bottom: 24px; }

.docs-sidebar__group-title {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0 10px;
  margin-bottom: 4px;
}

.docs-sidebar__nav {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.docs-sidebar__nav a {
  display: block;
  padding: 6px 10px;
  font-size: 0.875rem;
  color: var(--text-muted);
  border-radius: var(--radius);
  transition: background 0.1s, color 0.1s;
}

.docs-sidebar__nav a:hover { background: var(--surface-2); color: var(--text); }
.docs-sidebar__nav a.active { background: var(--green-bg); color: var(--green); border-left: 2px solid var(--green); padding-left: 8px; }

.docs-content { min-width: 0; }

.docs-breadcrumb {
  display: flex;
  gap: 6px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.docs-breadcrumb a { color: var(--text-muted); }
.docs-breadcrumb a:hover { color: var(--text); }
.docs-breadcrumb__sep { color: var(--border-2); }

.docs-content h1 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  line-height: 1.15;
}

.docs-content .docs-lead {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 32px;
}

.docs-content h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin: 44px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.docs-content h3 {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--text);
  margin: 28px 0 8px;
}

.docs-content p {
  color: var(--text-muted);
  line-height: 1.78;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.docs-content p strong { color: var(--text); font-weight: 600; }

.docs-content ul,
.docs-content ol {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.78;
  padding-left: 24px;
  margin-bottom: 16px;
}

.docs-content li { margin-bottom: 4px; }

.docs-content pre {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  overflow-x: auto;
  margin: 4px 0 20px;
  box-shadow: 3px 3px 0 var(--border);
}

.docs-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.875rem;
  color: var(--text-dim);
  line-height: 1.78;
}

.docs-content a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }

.callout {
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  border-left: 3px solid var(--green);
  border-radius: var(--radius);
  padding: 14px 20px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.callout strong { color: var(--green); }

.callout--warn {
  background: var(--amber-bg);
  border-color: var(--amber-border);
  border-left-color: var(--amber);
}
.callout--warn strong { color: var(--amber); }

.docs-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.docs-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s, border-color 0.15s, transform 0.15s;
}

.docs-card:hover {
  border-color: var(--green);
  box-shadow: var(--shadow-card-hover);
  transform: translate(-1px, -1px);
}

.docs-card__title { font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.docs-card__desc  { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

.docs-nav-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  gap: 16px;
}

.docs-nav-link { display: flex; flex-direction: column; gap: 4px; }
.docs-nav-link--next { text-align: right; }
.docs-nav-link__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.docs-nav-link a { font-size: 0.9rem; font-weight: 600; color: var(--green); }

/* ── Footer ───────────────────────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--border);
  padding: 56px 32px 40px;
  background: var(--bg);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer__brand {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  color: var(--green);
  display: block;
  margin-bottom: 10px;
}

.footer__tagline { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; }

.footer__col-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer__links a { font-size: 0.875rem; color: var(--text-muted); transition: color 0.12s; }
.footer__links a:hover { color: var(--text); }

.footer__bottom {
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 1000px) {
  .flow {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .flow-arrow { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .ownership-grid { grid-template-columns: 1fr; }
  .kgl-cert { order: -1; }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 64px 24px 48px;
    gap: 48px;
  }
  .card-stack { max-width: 340px; margin: 0 auto; height: 300px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .docs-wrap { grid-template-columns: 1fr; padding: 24px 20px 60px; }
  .docs-sidebar { display: none; }
  .docs-card-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav__links { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .section { padding: 56px 20px; }
  .oss-banner { padding: 36px 24px; }
  .card-stack { height: 280px; }
}

/* ── Account / billing dashboard ─────────────────────────────────────────── */

.account-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

.account-title {
  font-size: 1.7rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.account-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}

.account-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.account-card__sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.account-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  gap: 16px;
}

.account-row:last-child { border-bottom: none; }

.account-row__label {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.account-row__value { font-size: 0.92rem; color: var(--text); }

.account-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.account-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: rgba(29,184,122,0.12);
  color: var(--green);
}

.account-badge--muted {
  background: var(--surface-2);
  color: var(--text-muted);
}

.account-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.account-success {
  background: rgba(29,184,122,0.1);
  border: 1px solid rgba(29,184,122,0.35);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--green);
  margin-bottom: 16px;
  display: none;
}

.account-success--show { display: block; }

.member-list { list-style: none; margin-top: 4px; }

.member-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  gap: 12px;
}

.member-list li:last-child { border-bottom: none; }

.member-list .role-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
}