/* TekMyra — public site styles. Self-contained: no external fonts, no imports. */

:root {
  color-scheme: dark light;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  /* Dark first. */
  --bg: #07100f;
  --bg-soft: #0b1615;
  --surface: rgba(255, 255, 255, 0.026);
  --surface-strong: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);
  --fg: #e9f2f0;
  --fg-muted: #a3b3b0;
  --fg-faint: #7d8d8a;
  --accent: #2dd4bf;
  --accent-strong: #5eead4;
  --accent-dim: rgba(45, 212, 191, 0.14);
  --accent-line: rgba(45, 212, 191, 0.34);
  --on-accent: #04211e;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);

  --measure: 68ch;
  --radius: 14px;
  --radius-sm: 8px;
  --pad-x: clamp(1.25rem, 5vw, 3rem);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fbfdfc;
    --bg-soft: #f2f6f5;
    --surface: rgba(6, 42, 38, 0.028);
    --surface-strong: rgba(6, 42, 38, 0.055);
    --border: rgba(6, 42, 38, 0.13);
    --border-strong: rgba(6, 42, 38, 0.24);
    --fg: #0a1a18;
    --fg-muted: #40514e;
    --fg-faint: #5c6d6a;
    --accent: #0d7d70;
    --accent-strong: #0a5f56;
    --accent-dim: rgba(13, 125, 112, 0.1);
    --accent-line: rgba(13, 125, 112, 0.3);
    --on-accent: #ffffff;
    --shadow: 0 1px 2px rgba(6, 42, 38, 0.07);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
}

/* ---------- primitives ---------- */

.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding-inline: var(--pad-x);
}

.narrow {
  max-width: var(--measure);
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 0.5em;
  font-weight: 640;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.35rem, 6.2vw, 3.9rem);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.15rem);
}

h3 {
  font-size: 1.09rem;
  font-weight: 620;
  letter-spacing: -0.015em;
}

p {
  margin: 0 0 1.1em;
  color: var(--fg-muted);
  text-wrap: pretty;
}

.lede {
  font-size: clamp(1.08rem, 2.3vw, 1.28rem);
  color: var(--fg-muted);
  line-height: 1.6;
}

strong {
  color: var(--fg);
  font-weight: 620;
}

a {
  color: var(--accent);
  text-decoration-color: var(--accent-line);
  text-underline-offset: 0.22em;
}

a:hover {
  text-decoration-color: currentColor;
}

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

code,
.mono {
  font-family: var(--font-mono);
  font-size: 0.88em;
  letter-spacing: 0;
}

p code,
li code,
td code {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1em 0.38em;
  color: var(--fg);
  white-space: nowrap;
}

/* Long inline commands must wrap rather than widen the page on small screens. */
@media (max-width: 620px) {
  p code,
  li code,
  td code {
    white-space: normal;
    overflow-wrap: anywhere;
  }
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ---------- skip link ---------- */

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bg-soft);
  color: var(--fg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  z-index: 20;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: relative;
  z-index: 5;
}

.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 66px;
  flex-wrap: wrap;
  padding-block: 0.6rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--fg);
  text-decoration: none;
  font-weight: 660;
  font-size: 1.06rem;
  letter-spacing: -0.02em;
}

.wordmark .glyph {
  display: block;
  flex: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 3vw, 1.6rem);
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--fg);
}

.site-nav a[aria-current="page"] {
  color: var(--fg);
}

.byline {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-muted);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.18rem 0.6rem;
  margin-left: 0.65rem;
  margin-right: auto;
  white-space: nowrap;
}

.byline:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  padding-block: clamp(3.5rem, 11vw, 7rem) clamp(3rem, 9vw, 5.5rem);
}

.hero > * {
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.34rem 0.85rem;
  margin: 0 0 1.6rem;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

.hero h1 .accentword {
  color: var(--accent);
}

.hero .lede {
  max-width: 58ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: var(--radius-sm);
  padding: 0.68rem 1.15rem;
  font-size: 0.95rem;
  font-weight: 560;
  text-decoration: none;
  border: 1px solid var(--border-strong);
  color: var(--fg);
  background: var(--surface);
  transition: background-color 0.15s ease, border-color 0.15s ease;
  flex-wrap: wrap;
  max-width: 100%;
}

.btn:hover {
  background: var(--surface-strong);
  border-color: var(--accent-line);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.btn-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

/* pending-link treatment */

.btn[href="#"],
a.pending-link {
  cursor: default;
  pointer-events: none;
  opacity: 0.75;
}

.pending {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.5;
  color: var(--fg-faint);
  border: 1px dashed var(--border-strong);
  border-radius: 999px;
  padding: 0.16rem 0.6rem;
  max-width: 100%;
}

.pending-note {
  display: block;
  font-size: 0.84rem;
  color: var(--fg-faint);
  margin-top: 0.45rem;
}

/* ---------- sections ---------- */

section {
  padding-block: clamp(3rem, 8vw, 5.5rem);
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: 0;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.9rem;
}

.section-head {
  max-width: var(--measure);
  margin-bottom: 2.75rem;
}

.section-head p:last-child {
  margin-bottom: 0;
}

.alt {
  background: var(--bg-soft);
}

/* ---------- card grids ---------- */

.grid {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.grid-3,
.grid-2 {
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg);
  padding: 1.6rem 1.5rem;
}

.alt .card {
  background: var(--bg-soft);
}

.card h3 {
  margin-bottom: 0.5rem;
}

.card p:last-child {
  margin-bottom: 0;
}

.card .kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
  display: block;
  margin-bottom: 0.9rem;
}

/* ---------- numbered steps (numbers come from CSS, not markup) ---------- */

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.steps > li {
  counter-increment: step;
  background: var(--bg);
  padding: 1.6rem 1.5rem 1.6rem 4.4rem;
  position: relative;
}

.alt .steps > li {
  background: var(--bg-soft);
}

.steps > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 1.5rem;
  top: 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  border-radius: 6px;
  padding: 0.1rem 0.4rem;
  line-height: 1.5;
}

.steps h3 {
  margin-bottom: 0.4rem;
}

.steps p:last-child {
  margin-bottom: 0;
}

/* ---------- callout ---------- */

.callout {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.35rem;
  margin: 2rem 0 0;
}

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

.callout .callout-title {
  color: var(--fg);
  font-weight: 620;
  display: block;
  margin-bottom: 0.3rem;
}

/* ---------- code block ---------- */

.codeblock {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  overflow: hidden;
  margin: 0 0 0.6rem;
}

.codeblock .code-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
}

.codeblock pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--fg);
  -webkit-overflow-scrolling: touch;
}

.codeblock pre code {
  background: none;
  border: 0;
  padding: 0;
  white-space: pre;
  font-size: inherit;
}

.spaced {
  margin-top: 2rem;
}

/* ---------- plain lists ---------- */

.ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.ticks > li {
  position: relative;
  padding-left: 1.7rem;
  color: var(--fg-muted);
}

.ticks > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  border: 1px solid var(--accent);
  background: var(--accent-dim);
}

.ticks strong {
  display: block;
  color: var(--fg);
}

/* ---------- schematic ---------- */

.figure {
  margin: 2.5rem 0 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.5rem 1.25rem 1.1rem;
  overflow-x: auto;
}

.figure svg {
  display: block;
  width: 100%;
  min-width: 540px;
  height: auto;
}

.figure figcaption {
  margin-top: 1rem;
  font-size: 0.86rem;
  color: var(--fg-faint);
  text-align: center;
}

.svg-surface {
  fill: var(--surface-strong);
}

.svg-stroke {
  stroke: var(--border-strong);
  fill: none;
}

.svg-accent-stroke {
  stroke: var(--accent);
  fill: none;
}

.svg-accent-fill {
  fill: var(--accent);
}

.svg-label {
  fill: var(--fg);
  font-family: var(--font-mono);
  font-size: 12px;
}

.svg-sub {
  fill: var(--fg-faint);
  font-family: var(--font-mono);
  font-size: 10.5px;
}

/* ---------- definition rows ---------- */

.rows {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.rows > div {
  padding: 1.35rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.rows > div:last-child {
  border-bottom: 0;
}

.rows h3 {
  margin-bottom: 0.35rem;
}

.rows p:last-child {
  margin-bottom: 0;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding-block: 3rem 2.5rem;
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-grid h2 {
  font-size: 0.76rem;
  font-family: var(--font-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: 0.9rem;
  font-weight: 500;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.footer-grid a {
  text-decoration: none;
  color: var(--fg-muted);
}

.footer-grid a:hover {
  color: var(--fg);
}

.footer-grid .pending {
  margin-left: 0.15rem;
}

.footer-base {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  justify-content: space-between;
  color: var(--fg-faint);
  font-size: 0.86rem;
}

.footer-base p {
  margin: 0;
  color: inherit;
}

/* ---------- small screens ---------- */

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .steps > li {
    padding-left: 1.5rem;
    padding-top: 3.3rem;
  }

  .steps > li::before {
    top: 1.4rem;
    left: 1.5rem;
  }

  .figure {
    padding-inline: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

/* ---------- data table (added for launch docs; additive, no restyle) ---------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  text-align: left;
  vertical-align: top;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--fg-muted);
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--fg-faint);
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table strong {
  color: var(--fg);
}