:root {
  --paper: #0d1117;
  --surface: #161b22;
  --surface-strong: #1e1e1e;
  --ink: #e6edf3;
  --muted: #8b949e;
  --line: #30363d;
  --forest: #2f81f7;
  --forest-dark: #1f6feb;
  --leaf: #172b46;
  --amber: #d19a66;
  --coral: #d97757;
  --blue: #58a6ff;
  --rose: #33221f;
  --shadow: 0 18px 45px rgba(1, 4, 9, 0.38);
  --radius: 8px;
  --max: 1180px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

img,
video,
audio {
  max-width: 100%;
}

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

button,
input,
textarea,
select {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

svg {
  width: 1.05rem;
  height: 1.05rem;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex: 0 0 auto;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 3vw, 2rem);
  background: rgba(13, 17, 23, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  color: var(--ink);
  background: var(--forest);
  border: 1px solid var(--forest-dark);
  border-radius: var(--radius);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  line-height: 1.1;
  white-space: nowrap;
}

.brand small {
  color: var(--muted);
  font-size: 0.76rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  min-height: 2.4rem;
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.75rem;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: var(--radius);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
  border-color: var(--line);
  background: var(--surface);
  outline: none;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.45rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 0.33rem 0;
  background: var(--ink);
}

.section-band {
  padding: clamp(3rem, 6vw, 5rem) clamp(1rem, 3vw, 2rem);
}

.muted-band {
  background: var(--surface-strong);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact-band {
  background: #111827;
  border-top: 1px solid var(--line);
}

.section-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.mission {
  padding-top: clamp(2.25rem, 4vw, 4rem);
}

.mission-grid,
.proof-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.mission-copy {
  grid-column: 1 / -1;
  max-width: min(100%, 900px);
  justify-self: center;
  text-align: center;
}

.mission-board {
  grid-column: 1 / -1;
  width: min(100%, 980px);
  justify-self: center;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.08;
}

h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.25rem, 8vw, 4.85rem);
  letter-spacing: 0;
}

#mission-title {
  max-width: 100%;
  overflow-wrap: normal;
  word-break: keep-all;
  text-align: center;
}

h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.1rem;
}

.lead {
  margin: 0 auto 1.5rem;
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 58ch;
}

.section-copy {
  color: var(--muted);
  max-width: 60ch;
}

.direct-contact {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin: 0 0 1rem;
  padding: 0.55rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 800;
}

.direct-contact a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 0.18rem;
}

.action-row,
.proof-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.mission-copy .action-row {
  justify-content: center;
}

.button,
.filter-btn,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.65rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font-weight: 800;
  text-align: center;
  white-space: normal;
}

.button.primary {
  color: var(--ink);
  background: var(--forest);
  border-color: var(--forest-dark);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--forest-dark);
  outline: none;
}

.button.secondary:hover,
.filter-btn:hover,
.filter-btn:focus-visible,
.icon-button:hover,
.icon-button:focus-visible {
  border-color: var(--forest);
  outline: none;
}

.mission-board {
  display: grid;
  gap: 0.8rem;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.status-strip article {
  min-height: 5rem;
  padding: 0.85rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.status-strip span,
.meta,
.card-kicker,
.repo-meta,
figcaption {
  color: var(--muted);
  font-size: 0.82rem;
}

.status-strip strong {
  display: block;
  margin-top: 0.3rem;
  font-size: 1rem;
}

.hero-visual,
.proof-media figure {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: var(--paper);
}

figcaption {
  padding: 0.7rem 0.85rem;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.stack-heading {
  display: block;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.filter-btn {
  min-height: 2.3rem;
  padding: 0.45rem 0.7rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.filter-btn.is-active {
  color: var(--ink);
  background: var(--leaf);
  border-color: var(--forest);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.compact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.content-card {
  display: grid;
  align-content: start;
  min-height: 100%;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.content-card.media-card {
  grid-template-rows: auto 1fr;
}

.card-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.card-image.contain {
  object-fit: contain;
}

.card-body {
  display: grid;
  gap: 0.7rem;
  padding: 1rem;
}

.content-card h3,
.article-link h3 {
  margin-bottom: 0;
}

.content-card p,
.article-link p {
  margin: 0;
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  display: inline-flex;
  min-height: 1.65rem;
  align-items: center;
  padding: 0.15rem 0.45rem;
  color: var(--blue);
  background: var(--leaf);
  border: 1px solid #1f6feb;
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 800;
}

.tag.alt {
  color: #f0a887;
  background: var(--rose);
  border-color: #8f4f39;
}

.proof-media {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 1rem;
  align-items: stretch;
}

.proof-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.proof-media video {
  width: 100%;
  height: 100%;
  min-height: 16rem;
  object-fit: cover;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.article-layout {
  display: grid;
  grid-template-columns: 0.75fr minmax(0, 1.35fr) 0.9fr;
  gap: 1rem;
  align-items: start;
}

.article-list,
.comments-list {
  display: grid;
  gap: 0.65rem;
}

.article-link {
  width: 100%;
  padding: 0.9rem;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.article-link.is-active {
  border-color: var(--forest);
  box-shadow: inset 4px 0 0 var(--forest);
}

.article-reader,
.article-studio,
.chatbot {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.article-reader {
  padding: 1.1rem;
}

.article-reader .article-body {
  display: grid;
  gap: 0.8rem;
  margin: 1rem 0 1.2rem;
  color: var(--ink);
}

.article-reader .article-body p {
  margin: 0;
}

.comments-panel {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.comment {
  padding: 0.75rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.comment strong,
.comment span {
  display: block;
}

.comment span {
  color: var(--muted);
  font-size: 0.8rem;
}

.comment p {
  margin: 0.45rem 0 0;
}

.article-studio {
  padding: 1rem;
}

.stack-form,
.contact-form {
  display: grid;
  gap: 0.8rem;
}

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

.wide-field,
.contact-form .button,
.contact-form .form-status {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  min-height: 2.7rem;
  padding: 0.7rem 0.75rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

textarea {
  min-height: 7rem;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--forest);
  outline: 3px solid rgba(47, 129, 247, 0.24);
}

.form-status {
  min-height: 1.4rem;
  margin: 0;
  color: var(--blue);
  font-weight: 800;
}

.podcast-card audio {
  width: 100%;
}

.repo-card .button {
  justify-self: start;
}

.contact-grid {
  align-items: start;
}

.chatbot {
  min-height: 34rem;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
}

.chatbot-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
}

.chatbot-header h2 {
  margin-bottom: 0;
  font-size: 1.35rem;
}

.live-dot {
  align-self: start;
  min-height: 1.7rem;
  padding: 0.2rem 0.5rem;
  color: #7ee787;
  background: #0f2a1a;
  border: 1px solid #238636;
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 800;
}

.chat-log {
  display: grid;
  align-content: start;
  gap: 0.65rem;
  min-height: 22rem;
  max-height: 26rem;
  overflow-y: auto;
  padding: 1rem;
}

.chat-message {
  width: min(92%, 34rem);
  padding: 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper);
}

.chat-message.user {
  justify-self: end;
  color: var(--ink);
  background: var(--forest);
  border-color: var(--forest-dark);
}

.chat-message p {
  margin: 0;
}

.chat-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  padding: 1rem;
  border-top: 1px solid var(--line);
}

.icon-button {
  width: 2.8rem;
  height: 2.8rem;
  padding: 0;
}

.site-footer {
  padding: 1.5rem clamp(1rem, 3vw, 2rem);
  color: var(--muted);
  background: #010409;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-inner p {
  margin: 0;
}

.footer-inner div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.footer-inner a {
  color: var(--blue);
}

.deck-dialog {
  width: min(92vw, 980px);
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
}

.deck-dialog::backdrop {
  background: rgba(1, 4, 9, 0.76);
}

.deck-shell {
  position: relative;
  padding: clamp(1.25rem, 4vw, 2.2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.close-dialog {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
}

.deck-page {
  display: grid;
  gap: 1rem;
}

.deck-page h2 {
  max-width: 14ch;
  margin-bottom: 0;
  font-size: clamp(2.1rem, 5vw, 4.5rem);
}

.deck-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.deck-cell {
  min-height: 8rem;
  padding: 0.9rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.deck-cell strong {
  display: block;
  margin-bottom: 0.4rem;
}

.empty-state {
  padding: 1rem;
  color: var(--muted);
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

@media (max-width: 1040px) {
  .mission-grid,
  .proof-grid,
  .contact-grid,
  .article-layout {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 760px) {
  .site-header {
    align-items: center;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 4.1rem 1rem auto 1rem;
    display: none;
    grid-template-columns: 1fr;
    padding: 0.6rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  body.nav-open .site-nav {
    display: grid;
  }

  .site-nav a {
    justify-content: center;
  }

  .section-heading,
  .footer-inner {
    align-items: stretch;
    flex-direction: column;
  }

  .filter-bar {
    justify-content: flex-start;
  }

  .status-strip,
  .proof-media,
  .card-grid,
  .compact-grid,
  .contact-form,
  .deck-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual img,
  .card-image {
    aspect-ratio: 3 / 2;
  }

  .proof-media video {
    min-height: 14rem;
  }

  .chatbot {
    min-height: 30rem;
  }
}

@media print {
  .site-header,
  .site-footer,
  .button,
  .filter-bar,
  .comments-panel,
  .article-studio,
  .chatbot,
  .contact-form,
  .close-dialog {
    display: none !important;
  }

  body {
    background: var(--paper);
    color: var(--ink);
  }

  .section-band {
    padding: 1rem 0;
  }

  .deck-dialog[open] {
    position: static;
    width: auto;
  }
}