/* SAIKATxALPHA policy site: shared styles. No external fonts, scripts, or trackers. */

:root {
  --bg: #04060d;
  --bg-raised: #080d1a;
  --surface: #0c1324;
  --surface-2: #101a30;
  --border: rgba(110, 150, 255, 0.14);
  --border-strong: rgba(110, 150, 255, 0.28);
  --text: #e8edf7;
  --text-soft: #c3cbdc;
  --muted: #9ba7bf;
  --blue: #3fa9ff;
  --blue-bright: #7cc6ff;
  --violet: #9b7bff;
  --violet-soft: rgba(155, 123, 255, 0.16);
  --blue-soft: rgba(63, 169, 255, 0.12);
  --radius: 14px;
  --radius-sm: 9px;
  --maxw: 1120px;
  --font: "Inter", "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Segoe UI Variable Display", "Inter", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --mono: "Cascadia Mono", "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color-scheme: dark;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 88px;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 520px at 12% -8%, rgba(63, 169, 255, 0.13), transparent 62%),
    radial-gradient(900px 480px at 92% 2%, rgba(155, 123, 255, 0.12), transparent 60%);
  background-repeat: no-repeat;
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

a {
  color: var(--blue-bright);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #ffffff;
}

:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: rgba(63, 169, 255, 0.35);
  color: #fff;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: #fff;
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1.1em;
}

code,
kbd {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  color: var(--blue-bright);
  overflow-wrap: anywhere;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 720px) {
  .container {
    padding: 0 28px;
  }
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  background: var(--blue);
  color: #04101f;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.skip-link:focus {
  top: 12px;
  color: #04101f;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(4, 6, 13, 0.82);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  flex-wrap: wrap;
  padding-top: 8px;
  padding-bottom: 8px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
}

.wordmark:hover {
  color: #fff;
}

.wordmark-glyph {
  width: 12px;
  height: 12px;
  transform: rotate(45deg);
  border: 2px solid var(--blue);
  box-shadow: 0 0 0 3px rgba(63, 169, 255, 0.14), inset 0 0 0 2px rgba(155, 123, 255, 0.55);
  flex: none;
}

.wordmark .x {
  color: var(--violet);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.site-nav a {
  display: inline-block;
  padding: 7px 12px;
  border-radius: 8px;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
}

.site-nav a:hover {
  color: #fff;
  background: var(--surface);
  border-color: var(--border);
}

.site-nav a[aria-current="page"] {
  color: #fff;
  background: var(--blue-soft);
  border-color: rgba(63, 169, 255, 0.35);
}

/* ---------- Buttons, eyebrows, pills ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin: 0 0 18px;
}

.eyebrow .brand {
  text-transform: none;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, var(--blue), var(--violet));
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid var(--border-strong);
  color: #fff;
  background: var(--surface);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.btn:hover {
  color: #fff;
  border-color: rgba(124, 198, 255, 0.6);
  background: var(--surface-2);
}

.btn-primary {
  background: linear-gradient(135deg, #1a66d9, #5a48e0);
  border-color: transparent;
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1f6fe0, #6b54e8);
  border-color: transparent;
}

.btn .arrow {
  transition: transform 0.15s ease;
}

.btn:hover .arrow {
  transform: translateX(2px);
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .btn .arrow {
    transition: none;
  }
}

/* ---------- Home: hero ---------- */

.hero {
  position: relative;
  padding: 72px 0 64px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(110, 150, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 150, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
  z-index: -1;
}

.hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 750;
  max-width: 17ch;
  margin-bottom: 0.45em;
}

.hero h1 .grad {
  background: linear-gradient(100deg, var(--blue-bright) 0%, var(--blue) 40%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .lead {
  font-size: clamp(1.08rem, 2.2vw, 1.25rem);
  color: var(--text-soft);
  max-width: 62ch;
  margin-bottom: 30px;
}

.hero-meta {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-soft);
  background: rgba(12, 19, 36, 0.7);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
}

.chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

.chip .dot.violet {
  background: var(--violet);
}

/* ---------- Home: sections ---------- */

.section {
  padding: 56px 0;
}

.section-head {
  max-width: 64ch;
  margin-bottom: 32px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
}

.section-head p {
  color: var(--text-soft);
}

.bot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 860px) {
  .bot-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.bot-card {
  position: relative;
  background: linear-gradient(180deg, var(--surface), var(--bg-raised));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px 26px;
  overflow: hidden;
}

.bot-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), transparent 85%);
}

.bot-card.aegis::before {
  background: linear-gradient(90deg, var(--blue), transparent 85%);
}

.bot-card header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.bot-emblem {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex: none;
  background: var(--violet-soft);
  border: 1px solid rgba(155, 123, 255, 0.4);
  color: var(--violet);
}

.bot-card.aegis .bot-emblem {
  background: var(--blue-soft);
  border-color: rgba(63, 169, 255, 0.4);
  color: var(--blue);
}

.bot-emblem svg {
  width: 24px;
  height: 24px;
}

.bot-card h3 {
  font-size: 1.5rem;
  margin: 0;
  letter-spacing: 0.08em;
}

.bot-role {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 2px 0 0;
}

.bot-card > p {
  color: var(--text-soft);
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.feature-list li {
  position: relative;
  padding-left: 22px;
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.6;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  border: 1.5px solid var(--violet);
}

.bot-card.aegis .feature-list li::before {
  border-color: var(--blue);
}

.feature-list strong {
  color: #fff;
  font-weight: 600;
}

.tag-optional {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-bright);
  border: 1px solid rgba(124, 198, 255, 0.4);
  border-radius: 5px;
  padding: 1px 6px;
  margin-left: 4px;
  white-space: nowrap;
}

.alpha-band {
  background: linear-gradient(135deg, rgba(63, 169, 255, 0.08), rgba(155, 123, 255, 0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  display: grid;
  gap: 28px;
}

@media (min-width: 860px) {
  .alpha-band {
    grid-template-columns: 1fr 1.25fr;
    padding: 40px;
    align-items: start;
  }
}

.alpha-band h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.alpha-band p {
  color: var(--text-soft);
}

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  background: rgba(4, 6, 13, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.97rem;
  color: var(--text-soft);
  line-height: 1.55;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--blue-bright);
  padding-top: 2px;
}

.steps strong {
  color: #fff;
}

.principles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .principles {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1000px) {
  .principles {
    grid-template-columns: repeat(4, 1fr);
  }
}

.principle {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.principle h3 {
  font-size: 1.02rem;
  margin-bottom: 8px;
}

.principle p {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

.policy-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 760px) {
  .policy-cards {
    grid-template-columns: 1fr 1fr;
  }
}

.policy-card {
  display: block;
  text-decoration: none;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.policy-card:hover {
  color: var(--text);
  border-color: rgba(124, 198, 255, 0.55);
  background: var(--surface-2);
}

.policy-card h3 {
  font-size: 1.3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.policy-card h3 .arrow {
  color: var(--blue-bright);
}

.policy-card p {
  color: var(--muted);
  margin: 0;
  font-size: 0.97rem;
}

.policy-card .path {
  display: block;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--blue-bright);
}

/* ---------- Policy pages ---------- */

.doc-hero {
  padding: 56px 0 28px;
  border-bottom: 1px solid var(--border);
}

.doc-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 14px;
}

.doc-hero .lead {
  color: var(--text-soft);
  max-width: 70ch;
  font-size: 1.1rem;
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 18px 0 0;
  padding: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.doc-meta div {
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.doc-meta dt {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.doc-meta dd {
  margin: 0;
  color: var(--text-soft);
}

.doc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 36px 0 72px;
}

@media (min-width: 980px) {
  .doc-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 56px;
  }
}

.toc {
  font-size: 0.93rem;
}

@media (min-width: 980px) {
  .toc {
    position: sticky;
    top: 92px;
    align-self: start;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
  }
}

.toc details {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 16px;
}

.toc summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-bright);
  padding: 10px 0;
}

.toc ol {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.toc a {
  display: block;
  padding: 5px 8px;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
  line-height: 1.4;
}

.toc a:hover {
  color: #fff;
  background: var(--surface);
}

.prose {
  max-width: 76ch;
  min-width: 0;
}

.prose section {
  padding-top: 8px;
  margin-bottom: 40px;
}

.prose h2 {
  font-size: 1.5rem;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.prose h2 .num {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--violet);
  font-weight: 500;
  flex: none;
}

.prose h3 {
  font-size: 1.12rem;
  margin-top: 1.6em;
  color: var(--blue-bright);
}

.prose p,
.prose li {
  color: var(--text-soft);
}

.prose ul,
.prose ol {
  padding-left: 1.3em;
  margin: 0 0 1.2em;
}

.prose li {
  margin-bottom: 0.45em;
}

.prose li::marker {
  color: var(--blue);
}

.prose strong {
  color: #fff;
  font-weight: 600;
}

.callout {
  background: var(--blue-soft);
  border: 1px solid rgba(63, 169, 255, 0.3);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin: 0 0 1.4em;
}

.callout.violet {
  background: var(--violet-soft);
  border-color: rgba(155, 123, 255, 0.32);
  border-left-color: var(--violet);
}

.callout p:last-child,
.callout ul:last-child {
  margin-bottom: 0;
}

.callout-title {
  display: block;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 6px;
}

.callout.violet .callout-title {
  color: #c4b3ff;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 0 1.4em;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-raised);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
  line-height: 1.55;
  min-width: 560px;
}

caption {
  text-align: left;
  padding: 12px 14px 0;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
}

thead th {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-bright);
  font-weight: 500;
  background: rgba(16, 26, 48, 0.6);
}

tbody th {
  color: #fff;
  font-weight: 600;
}

td {
  color: var(--text-soft);
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: 0;
}

.back-top {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.92rem;
}

/* ---------- 404 ---------- */

.notfound {
  padding-top: 96px;
  padding-bottom: 96px;
}

.notfound h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

.notfound p {
  color: var(--text-soft);
  max-width: 56ch;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-raised);
  padding: 40px 0 32px;
  font-size: 0.92rem;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 760px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr;
  }
}

.site-footer .wordmark {
  font-size: 0.98rem;
  margin-bottom: 10px;
}

.site-footer p {
  margin: 0 0 0.6em;
  max-width: 60ch;
}

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.footer-nav h2 {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 10px;
  font-weight: 500;
}

.footer-nav a {
  color: var(--text-soft);
  text-decoration: none;
}

.footer-nav a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-bottom {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}

@media print {
  body {
    background: #fff;
    color: #000;
  }
  .site-header,
  .toc,
  .skip-link,
  .site-footer .footer-nav {
    display: none;
  }
  .prose p,
  .prose li,
  td {
    color: #000;
  }
  h1,
  h2,
  h3,
  .prose strong,
  tbody th {
    color: #000;
  }
  .doc-layout {
    display: block;
  }
}