/* AXIOM minimal — white field, silver wave threads, Syne
   Logo emerges as denser wave structure (mask), not a stamp overlay.
*/
:root {
  --bg: #f7f7f7;
  --paper: #ffffff;
  --ink: #0a0a0a;
  --ink2: #1a1a1a;
  --mute: #6e6e6e;
  --faint: #9a9a9a;
  --line: #c8c8c8;
  --line2: #e2e2e2;
  --panel: #fafafa;
  --disp: "Syne", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --wrap: 1100px;
  --gloss: 0 1px 0 rgba(255,255,255,0.9) inset, 0 18px 40px rgba(0,0,0,0.06);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; }
body {
  min-height: 100%;
  font-family: var(--disp);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  position: relative;
}
img { display: block; max-width: 100%; }
a { color: var(--ink); text-decoration: none; }
a:hover { opacity: 0.65; }

/* ===== ambient wave field — canvas line oscillation ===== */
/* each polyline has own phase velocity (true relative swing, no layer pan) */
.wave-ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: #fafafa;
  overflow: hidden;
}
.wave-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
/* soft paper vignette — readability only */
.wave-ambient::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.42) 0%,
    rgba(255,255,255,0.04) 30%,
    rgba(255,255,255,0.02) 65%,
    rgba(255,255,255,0.48) 100%
  );
  pointer-events: none;
}

.z { position: relative; z-index: 2; }

/* ===== header (structure like live axi0m.de) ===== */
.site-nav {
  border-bottom: 1px solid var(--line2);
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo {
  width: 22px;
  height: 26px;
  object-fit: contain;
  /* monochrome mark — not competing with field logo */
  filter: grayscale(1) contrast(1.2);
  opacity: 0.9;
}
.nav-name {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  color: var(--ink);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav-link {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--mute);
  padding: 7px 10px;
  border-radius: 3px;
}
.nav-link:hover { color: var(--ink); opacity: 1; background: rgba(0,0,0,0.03); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 9px 14px;
  border-radius: 3px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink2);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  text-decoration: none;
}
.btn:hover { border-color: var(--ink); opacity: 1; }
.btn-solid {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.btn-solid:hover { background: #222; color: #fff; opacity: 1; }
.nav-cta { margin-left: 6px; }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--mute);
  padding: 7px 10px;
  font-family: var(--mono);
  font-size: 0.6rem;
  cursor: pointer;
}
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 56px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(255,255,255,0.97);
    border-bottom: 1px solid var(--line2);
    padding: 10px 16px 14px;
  }
  .nav-links.is-open { display: flex; }
  .nav-cta { margin-left: 0; margin-top: 6px; }
}

/* ===== main stage ===== */
.stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px 56px;
  gap: 18px;
}

/* Drop card — surface.html grammar, white/high-gloss */
.drop-shell {
  width: min(560px, 100%);
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--gloss), 0 0 0 1px rgba(255,255,255,0.6) inset;
  padding: 14px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  /* keep drop above logo field but let waves read around it */
  position: relative;
  z-index: 3;
}
.dropzone {
  width: 100%;
  min-height: 260px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  cursor: pointer;
  text-align: center;
  padding: 32px 20px;
  background: var(--panel);
  position: relative;
  transition: border-color 0.18s, background 0.18s, box-shadow 0.18s;
}
.dropzone:hover {
  border-color: #8a8a8a;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.04);
}
.dropzone.dragover {
  border-color: var(--ink);
  background: #f0f0f0;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.08);
}
.dropzone:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
.dropzone .glyph {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mute);
  background: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,1) inset, 0 4px 12px rgba(0,0,0,0.04);
}
.dropzone .glyph svg { width: 18px; height: 18px; }
.dropzone .primary {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.dropzone .secondary {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--faint);
  text-transform: uppercase;
}
.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.meta-row {
  width: min(560px, 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
@media (max-width: 520px) {
  .meta-row { grid-template-columns: 1fr; }
}
.meta-box {
  border: 1px solid var(--line2);
  background: rgba(255,255,255,0.82);
  border-radius: 6px;
  padding: 12px 14px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.9) inset;
}
.meta-k {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 6px;
}
.meta-v {
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.5;
  color: var(--mute);
  letter-spacing: 0.02em;
}

.file-list {
  display: none;
  width: min(560px, 100%);
  list-style: none;
  border: 1px solid var(--line2);
  border-radius: 6px;
  background: rgba(255,255,255,0.9);
  overflow: hidden;
}
.file-list.is-visible { display: block; }
.file-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--mute);
  border-bottom: 1px solid var(--line2);
}
.file-list li:last-child { border-bottom: 0; }
.file-list li span:first-child { color: var(--ink2); }

.drop-status {
  display: none;
  width: min(560px, 100%);
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--mute);
  border: 1px solid var(--line2);
  border-radius: 6px;
  background: rgba(255,255,255,0.9);
}
.drop-status.is-visible { display: block; }
.drop-status.is-working { border-color: rgba(24, 83, 173, 0.35); }
.drop-status.is-success { border-color: rgba(31, 121, 76, 0.45); color: #155f3a; }
.drop-status.is-error { border-color: rgba(178, 45, 45, 0.45); color: #9a2525; }
.dropzone.is-uploading { cursor: progress; opacity: 0.72; }
.btn[aria-disabled="true"] { cursor: progress; opacity: 0.58; }

.drop-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  width: min(560px, 100%);
}

/* ===== triptych: API | Pilot | Blog ===== */
.triptych {
  width: min(560px, 100%);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: rgba(255,255,255,0.88);
  box-shadow: var(--gloss);
  margin-top: 8px;
}
.triptych a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 16px 10px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink2);
  border-right: 1px solid var(--line2);
  background: transparent;
  transition: background 0.15s;
}
.triptych a:last-child { border-right: 0; }
.triptych a:hover {
  background: rgba(0,0,0,0.03);
  opacity: 1;
}
.triptych a span {
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  color: var(--faint);
  text-transform: none;
}

/* ===== footer (live structure, monochrome) ===== */
.site-footer {
  border-top: 1px solid var(--line2);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  padding: 28px 0 22px;
  margin-top: auto;
}
.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 20px;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand .nav-name { display: block; margin-bottom: 8px; }
.footer-brand p {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--faint);
  line-height: 1.5;
  max-width: 260px;
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 10px;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--mute);
  padding: 3px 0;
}
.footer-col a:hover { color: var(--ink); opacity: 1; }
.footer-bottom {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line2);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ===== subpages: same architecture, content shell ===== */
.page {
  flex: 1;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}
.page-wide {
  max-width: 920px;
}
.page-kicker {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 10px;
}
.page h1 {
  font-weight: 800;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 12px;
}
.page-lead {
  font-size: 1rem;
  color: var(--mute);
  line-height: 1.65;
  max-width: 36rem;
  margin-bottom: 28px;
}
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.panel {
  background: rgba(255,255,255,0.86);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--gloss);
  padding: 20px 20px;
  margin-bottom: 12px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.panel h2 {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
  color: var(--ink);
}
.panel h3 {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--ink2);
}
.panel p, .panel li {
  font-size: 0.92rem;
  color: var(--mute);
  line-height: 1.65;
}
.panel ul {
  list-style: none;
  margin-top: 8px;
}
.panel li {
  padding: 6px 0 6px 12px;
  border-bottom: 1px solid var(--line2);
  position: relative;
}
.panel li:last-child { border-bottom: 0; }
.panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 4px;
  height: 1px;
  background: var(--ink);
}
.panel .tag {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 8px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 720px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
.steps-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
@media (max-width: 800px) {
  .steps-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .steps-4 { grid-template-columns: 1fr; }
}
.step-card .n {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 8px;
}
.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}
@media (max-width: 640px) {
  .metric-strip { grid-template-columns: 1fr; }
}
.metric-card {
  text-align: center;
  padding: 18px 14px;
}
.metric-card .m-n {
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.metric-card .m-l {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  margin-top: 6px;
}
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
@media (max-width: 720px) {
  .tier-grid { grid-template-columns: 1fr; }
}
.tier-card .tier-name {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 8px;
}
.tier-card .tier-val {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--ink);
}
.tier-card .tier-unit {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--mute);
  margin-bottom: 10px;
}
.tier-card dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 10px;
  font-family: var(--mono);
  font-size: 0.62rem;
}
.tier-card dt { color: var(--faint); text-transform: uppercase; letter-spacing: 0.06em; }
.tier-card dd { color: var(--ink2); text-align: right; }
.post-list { display: flex; flex-direction: column; gap: 10px; }
.post-item {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.86);
  box-shadow: var(--gloss);
  transition: border-color 0.15s;
}
.post-item:hover { border-color: #999; opacity: 1; }
.post-item .meta {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 6px;
}
.post-item h3 {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--ink);
  margin-bottom: 6px;
}
.post-item p {
  font-size: 0.88rem;
  color: var(--mute);
  line-height: 1.55;
}
.legal-block h2 {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 8px;
  font-weight: 600;
}
.legal-block p {
  font-size: 0.9rem;
  color: var(--mute);
  line-height: 1.65;
  margin-bottom: 6px;
}
.nav-link.is-active {
  color: var(--ink);
  font-weight: 600;
  background: rgba(0,0,0,0.04);
}
.muted {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--faint);
  letter-spacing: 0.04em;
}
.boundary {
  border-left: 2px solid var(--ink);
  padding-left: 14px;
  margin-top: 8px;
}

/* blog articles */
.article-title {
  font-weight: 800;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 8px 0 20px;
}
.article-body {
  font-size: 0.98rem;
  color: var(--mute);
  line-height: 1.75;
}
.article-body p {
  margin-bottom: 1em;
  color: var(--mute);
}
.article-body h2, .article-body h3 {
  font-family: var(--disp);
  font-weight: 800;
  color: var(--ink);
  margin: 1.6em 0 0.6em;
  letter-spacing: -0.01em;
}
.article-body h2 { font-size: 1.25rem; }
.article-body h3 { font-size: 1.05rem; }
.article-body ul, .article-body ol {
  margin: 0.8em 0 1em 1.2em;
  color: var(--mute);
}
.article-body li { margin-bottom: 0.35em; }
.article-body a { text-decoration: underline; text-underline-offset: 2px; }
.article-body blockquote {
  border-left: 2px solid var(--ink);
  margin: 1.2em 0;
  padding: 0.2em 0 0.2em 1em;
  color: var(--ink2);
}
.article-body code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: rgba(0,0,0,0.04);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}
.post-item { cursor: pointer; }
.blog-article[hidden], #post-list[hidden], #blog-head[hidden] { display: none !important; }

/* report page */
.report-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.chip {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.9);
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--mute);
}
.chip strong { color: var(--ink); font-weight: 600; }
.kv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  font-family: var(--mono);
  font-size: 0.72rem;
}
.kv-grid dt { color: var(--faint); text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.55rem; }
.kv-grid dd { color: var(--ink2); margin: 0 0 8px; word-break: break-all; }
.gate-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.gate {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 4px;
  color: var(--ink2);
  background: #fff;
}
.gate.ok { border-color: #111; }
.gate.fail { opacity: 0.55; }
.evt-list { list-style: none; margin: 0; padding: 0; }
.evt-list li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line2);
  font-size: 0.88rem;
}
.evt-list li:last-child { border-bottom: 0; }
.evt-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ink); margin-top: 6px;
}
.evt-type {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 2px;
}
.evt-body { color: var(--mute); }
.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink2);
  word-break: break-all;
}
.report-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.report-tabs button {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.85);
  padding: 8px 12px;
  cursor: pointer;
  color: var(--mute);
  border-radius: 3px;
}
.report-tabs button.is-on {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.report-pane[hidden] { display: none !important; }
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 120px;
  margin-top: 12px;
  padding-top: 8px;
  border-bottom: 1px solid var(--line);
}
.bar-chart i {
  flex: 1;
  background: var(--ink);
  opacity: 0.75;
  min-width: 4px;
  border-radius: 2px 2px 0 0;
}
.bar-chart i:nth-child(odd) { opacity: 0.45; }