/* ==========================================================================
   SYNKED — SYSTEM DRAWINGS
   The website is an engineering drawing set. Ink on paper.
   One accent: engineer's red. No animation. Precision is the aesthetic.
   Fonts: IBM Plex Mono (annotations) · IBM Plex Sans (text)
   ========================================================================== */

/* ---- Tokens --------------------------------------------------------------- */
:root {
  /* Paper & ink */
  --paper: #f7f5f0;
  --paper-raised: #fdfcf9;
  --paper-shade: #efece4;
  --ink: #1a1917;
  --ink-soft: #57544e;
  --ink-faint: #8b877e;

  /* Linework */
  --line: rgba(26, 25, 23, 0.75);
  --line-mid: rgba(26, 25, 23, 0.28);
  --line-faint: rgba(26, 25, 23, 0.13);
  --grid: rgba(26, 25, 23, 0.055);

  /* The one color — reviewing engineer's red */
  --red: #d62f1f;
  --red-ink: #b6281a;
  --red-faint: rgba(214, 47, 31, 0.08);

  /* Type */
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;
  --sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;

  /* Layout */
  --frame: 14px; /* drawing border inset */
  --container: 1120px;
  --hairline: 1px;
}

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

html {
  scroll-behavior: auto; /* drawings don't glide */
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--ink);
  margin: 0;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

p {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
img,
svg {
  display: block;
  max-width: 100%;
}
button {
  font: inherit;
  cursor: pointer;
}
input,
textarea,
label {
  font: inherit;
}
table {
  border-collapse: collapse;
  width: 100%;
}

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

/* ---- The drawing frame ------------------------------------------------------ */
/* A hairline border inset around the whole viewport, like a drawing sheet.
   Corner register marks via two fixed pseudo-layers. */
.sheet-frame {
  position: fixed;
  inset: var(--frame);
  border: var(--hairline) solid var(--line);
  pointer-events: none;
  z-index: 90;
}

/* coordinate ticks along top & left edges */
.sheet-frame::before,
.sheet-frame::after {
  content: "";
  position: absolute;
  background-repeat: repeat;
}
.sheet-frame::before {
  /* top edge ticks */
  top: -1px;
  left: 0;
  right: 0;
  height: 6px;
  background-image: linear-gradient(
    to right,
    var(--line-mid) 1px,
    transparent 1px
  );
  background-size: 120px 6px;
}
.sheet-frame::after {
  /* left edge ticks */
  top: 0;
  bottom: 0;
  left: -1px;
  width: 6px;
  background-image: linear-gradient(
    to bottom,
    var(--line-mid) 1px,
    transparent 1px
  );
  background-size: 6px 120px;
}

/* faint drafting grid on the body */
.sheet-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* everything real sits above the grid */
.sheet-body {
  position: relative;
  z-index: 1;
  padding: calc(var(--frame) + 10px);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

main {
  flex: 1;
}

/* ---- Sheet header (nav = sheet index) ----------------------------------------- */
.sheet-head {
  border-bottom: var(--hairline) solid var(--line);
  background: var(--paper);
}

.sheet-head-inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: 0.875rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem 2rem;
}

.drawing-title {
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.drawing-title .co {
  color: var(--ink);
}
.drawing-title .sub {
  color: var(--ink-faint);
  font-weight: 400;
}

.sheet-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.375rem;
  margin-right: auto;
}

.sheet-index a {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  padding-block: 0.25rem;
  border-bottom: var(--hairline) solid transparent;
}

.sheet-index a .no {
  color: var(--ink-faint);
  margin-right: 0.375rem;
}

.sheet-index a:hover {
  color: var(--ink);
}

.sheet-index a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--red);
}
.sheet-index a[aria-current="page"] .no {
  color: var(--red);
}

.sheet-head .head-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* ---- Stamp (the CTA) ------------------------------------------------------------ */
.stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  border: 1.5px solid var(--red);
  padding: 0.4375rem 0.875rem;
  background: transparent;
  transform: rotate(-1deg);
}

.stamp:hover {
  background: var(--red);
  color: var(--paper);
}

.stamp-lg {
  font-size: 0.875rem;
  padding: 0.75rem 1.5rem;
  border-width: 2px;
}

/* quiet text action beside stamps */
.plain-link {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  border-bottom: var(--hairline) solid var(--line-mid);
  padding-bottom: 1px;
}
.plain-link:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---- Annotations ------------------------------------------------------------------ */
.anno {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.anno-red {
  color: var(--red);
}

/* section label: "2.0 COMPONENTS" style */
.sec {
  padding: 4.5rem 0 0;
}

.sec-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  border-bottom: var(--hairline) solid var(--line);
  padding-bottom: 0.625rem;
  margin-bottom: 2.25rem;
}

.sec-head .no {
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--red);
}

.sec-head h2 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sec-head .anno {
  margin-left: auto;
  text-align: right;
}

/* ---- Figures ------------------------------------------------------------------------- */
.figure {
  border: var(--hairline) solid var(--line);
  background: var(--paper-raised);
}

.figure-canvas {
  padding: 1.5rem;
  border-bottom: var(--hairline) solid var(--line-mid);
}

.figure-canvas svg {
  width: 100%;
  height: auto;
}

.figure-caption {
  display: flex;
  gap: 0.875rem;
  align-items: baseline;
  padding: 0.625rem 1rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.figure-caption b {
  color: var(--ink);
  font-weight: 600;
  white-space: nowrap;
}

/* figure svg conventions */
.fig-line {
  stroke: var(--ink);
  stroke-width: 1;
  fill: none;
}
.fig-line-mid {
  stroke: var(--line-mid);
  stroke-width: 1;
  fill: none;
}
.fig-dash {
  stroke: var(--ink-soft);
  stroke-width: 1;
  stroke-dasharray: 3 4;
  fill: none;
}
.fig-red {
  stroke: var(--red);
  stroke-width: 1.2;
  fill: none;
}
.fig-fill-paper {
  fill: var(--paper-raised);
}
.fig-fill-shade {
  fill: var(--paper-shade);
}
.fig-fill-red {
  fill: var(--red);
}
.fig-text {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  fill: var(--ink-soft);
  text-transform: uppercase;
}
.fig-text-strong {
  fill: var(--ink);
  font-weight: 600;
}
.fig-text-red {
  fill: var(--red);
}
.fig-text-faint {
  fill: var(--ink-faint);
}

/* ---- Hero (Sheet 01 opening) ----------------------------------------------------------- */
.hero-sheet {
  padding-top: 4rem;
}

.hero-sheet .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 920px) {
  .hero-sheet .hero-grid {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 4rem;
  }
}

.hero-sheet h1 {
  font-size: clamp(1.75rem, 3.6vw, 2.625rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0;
  margin: 1.25rem 0 1.5rem;
}

.hero-sheet h1 .red-mark {
  color: var(--red);
}

.hero-sheet .lede {
  max-width: 30rem;
  font-size: 1.0625rem;
  color: var(--ink-soft);
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* stacked before/after figures */
.fig-stack {
  display: grid;
  gap: 1.25rem;
}

/* ---- Component cards (services) ----------------------------------------------------------- */
.comp-grid {
  display: grid;
  grid-template-columns: 1fr;
  border: var(--hairline) solid var(--line);
}

@media (min-width: 760px) {
  .comp-grid {
    grid-template-columns: 1fr 1fr;
  }
  /* interior hairlines via gaps trick */
  .comp-grid .comp:nth-child(odd) {
    border-right: var(--hairline) solid var(--line-mid);
  }
}

.comp {
  padding: 1.75rem;
  border-bottom: var(--hairline) solid var(--line-mid);
  background: var(--paper-raised);
  display: block;
}

.comp:nth-last-child(1),
.comp:nth-last-child(2) {
  border-bottom: none;
}

@media (max-width: 759px) {
  .comp:nth-last-child(2) {
    border-bottom: var(--hairline) solid var(--line-mid);
  }
}

.comp .part-no {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--red);
  margin-bottom: 0.875rem;
}

.comp h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.625rem;
}

.comp p {
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

a.comp:hover {
  background: var(--paper);
  outline: var(--hairline) solid var(--line);
  outline-offset: -1px;
}

/* ---- Spec tables ------------------------------------------------------------------------------ */
.spec {
  border: var(--hairline) solid var(--line);
  background: var(--paper-raised);
}

.spec caption {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0.625rem 1rem;
  border: var(--hairline) solid var(--line);
  border-bottom: none;
  background: var(--paper-shade);
}

.spec th,
.spec td {
  font-size: 0.875rem;
  text-align: left;
  padding: 0.625rem 1rem;
  border-bottom: var(--hairline) solid var(--line-faint);
  vertical-align: top;
}

.spec th {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
  width: 11rem;
}

.spec tr:last-child th,
.spec tr:last-child td {
  border-bottom: none;
}

/* ---- Bill of Materials (pricing) ------------------------------------------------------------------ */
.bom {
  border: var(--hairline) solid var(--line);
  background: var(--paper-raised);
}

.bom th,
.bom td {
  padding: 0.875rem 1rem;
  border-bottom: var(--hairline) solid var(--line-faint);
  font-size: 0.9375rem;
  text-align: left;
  vertical-align: top;
}

.bom thead th {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: var(--hairline) solid var(--line);
  background: var(--paper-shade);
}

.bom .item-no {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--red);
  white-space: nowrap;
}

.bom .price {
  font-family: var(--mono);
  font-weight: 600;
  white-space: nowrap;
}

.bom ul {
  margin: 0.375rem 0 0;
  padding-left: 1rem;
  color: var(--ink-soft);
  font-size: 0.875rem;
}

.bom tr:last-child td {
  border-bottom: none;
}

/* ---- Notes list (general notes / about) ------------------------------------------------------------- */
.notes {
  counter-reset: note;
  display: grid;
  gap: 1.125rem;
  max-width: 46rem;
}

.note {
  counter-increment: note;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
}

.note::before {
  content: counter(note, decimal-leading-zero) ".";
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--red);
  padding-top: 0.125rem;
}

.note h3 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.note p {
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

/* ---- Revision table (footer) --------------------------------------------------------------------------- */
.sheet-foot {
  margin-top: 5rem;
  border-top: var(--hairline) solid var(--line);
  background: var(--paper);
}

.rev-table {
  max-width: var(--container);
  margin-inline: auto;
  padding: 0 1.25rem;
}

.rev-table table {
  width: 100%;
}

.rev-table th,
.rev-table td {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-align: left;
  padding: 0.5rem 0.875rem;
  border-bottom: var(--hairline) solid var(--line-faint);
  color: var(--ink-soft);
  white-space: nowrap;
}

.rev-table td.desc {
  white-space: normal;
  width: 100%;
}

.rev-table thead th {
  text-transform: uppercase;
  color: var(--ink-faint);
  border-bottom: var(--hairline) solid var(--line-mid);
}

.rev-table .rev-no {
  color: var(--red);
  font-weight: 600;
}

/* footer columns above rev table */
.foot-cols {
  max-width: var(--container);
  margin-inline: auto;
  padding: 2.5rem 1.25rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  border-bottom: var(--hairline) solid var(--line-mid);
}

@media (min-width: 760px) {
  .foot-cols {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.foot-cols h4 {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.875rem;
}

.foot-cols a {
  display: block;
  font-size: 0.875rem;
  color: var(--ink-soft);
  padding-block: 0.2rem;
}

.foot-cols a:hover {
  color: var(--ink);
}

.foot-brand p {
  font-size: 0.875rem;
  color: var(--ink-soft);
  max-width: 18rem;
  margin-top: 0.5rem;
}

.foot-bottom {
  max-width: var(--container);
  margin-inline: auto;
  padding: 1rem 1.25rem 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

/* ---- Title block (fixed, bottom-right — the signature element) --------------------------------------------- */
.title-block {
  position: fixed;
  right: calc(var(--frame) + 10px);
  bottom: calc(var(--frame) + 10px);
  z-index: 95;
  background: var(--paper-raised);
  border: var(--hairline) solid var(--line);
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  display: grid;
  grid-template-columns: auto auto;
  box-shadow: 0 1px 0 var(--line-faint);
}

.title-block > div {
  padding: 0.375rem 0.75rem;
  border-top: var(--hairline) solid var(--line-faint);
}

.title-block > div:nth-child(-n + 2) {
  border-top: none;
}

.title-block > div:nth-child(odd) {
  border-right: var(--hairline) solid var(--line-faint);
}

.title-block .k {
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-right: 0.5rem;
}

.title-block .v {
  color: var(--ink);
  font-weight: 600;
}

.title-block .v.red {
  color: var(--red);
}

@media (max-width: 900px) {
  .title-block {
    display: none; /* small sheets don't carry a title block */
  }
}

/* ---- Forms (RFI / auth) --------------------------------------------------------------------------------------- */
.form-sheet {
  max-width: 26rem;
  margin: 4rem auto;
  border: var(--hairline) solid var(--line);
  background: var(--paper-raised);
}

.form-sheet-head {
  padding: 0.75rem 1.25rem;
  border-bottom: var(--hairline) solid var(--line);
  background: var(--paper-shade);
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.form-sheet-head .no {
  color: var(--red);
  margin-right: 0.75rem;
}

.form-sheet-body {
  padding: 1.5rem 1.25rem;
}

.form-sheet .sub {
  font-size: 0.875rem;
  color: var(--ink-soft);
  margin-bottom: 1.25rem;
}

.field {
  margin-bottom: 1.125rem;
}

.field label {
  display: block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.375rem;
}

.input {
  display: block;
  width: 100%;
  padding: 0.5625rem 0.75rem;
  font-size: 0.9375rem;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  border: var(--hairline) solid var(--line-mid);
  border-radius: 0;
}

.input::placeholder {
  color: var(--ink-faint);
}

.input:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 2px 2px 0 var(--line-faint);
}

.checkbox {
  width: 0.875rem;
  height: 0.875rem;
  accent-color: var(--red);
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.8125rem;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-soft);
}

.alert-danger {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--red-ink);
  background: var(--red-faint);
  border: var(--hairline) solid var(--red);
  margin-bottom: 1.25rem;
}

.alert-success {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--ink);
  background: var(--paper-shade);
  border: var(--hairline) solid var(--line);
  margin-bottom: 1.25rem;
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

.form-foot {
  font-size: 0.8125rem;
  color: var(--ink-soft);
  margin-top: 1rem;
}

.link {
  color: var(--red-ink);
  border-bottom: var(--hairline) solid transparent;
}

.link:hover {
  border-bottom-color: var(--red-ink);
}

/* ---- Prose (legal) ----------------------------------------------------------------------------------------------- */
.prose {
  max-width: 44rem;
  margin-inline: auto;
}

.prose h1 {
  font-size: 1.375rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.prose .updated {
  display: block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 2.5rem;
}

.prose h2 {
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 2.25rem 0 0.75rem;
}

.prose p,
.prose li {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.prose p + p {
  margin-top: 0.875rem;
}

.prose ul {
  padding-left: 1.25rem;
  margin: 0.875rem 0;
}

.prose b {
  color: var(--ink);
}

/* ---- Utilities --------------------------------------------------------------------------------------------------------- */
.row {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.mt-4 {
  margin-top: 1rem;
}
.mb-4 {
  margin-bottom: 1rem;
}
.mb-8 {
  margin-bottom: 2rem;
}
.muted {
  color: var(--ink-faint);
}
.text-sm {
  font-size: 0.875rem;
}
.mono {
  font-family: var(--mono);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

/* ---- App shell (dashboard) — same class names, re-inked ------------------------------------------------------------------- */
.app {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.app-sidebar {
  position: sticky;
  top: 0;
  align-self: flex-start;
  display: flex;
  flex-direction: column;
  width: 232px;
  height: 100vh;
  padding: 1.25rem 0.875rem;
  background: var(--paper-raised);
  border-right: var(--hairline) solid var(--line);
  flex-shrink: 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink);
  padding: 0 0.5rem 1.25rem;
}

.brand-dot {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--red);
}

.app-nav {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  flex: 1;
}

.app-nav a {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.625rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--ink-soft);
}

.app-nav a:hover {
  color: var(--ink);
  background: var(--paper-shade);
}

.app-nav a.is-active {
  color: var(--ink);
  background: var(--paper-shade);
  box-shadow: inset 2px 0 0 var(--red);
}

.app-nav a svg {
  color: var(--ink-faint);
}

.app-nav a.is-active svg {
  color: var(--red);
}

.sidebar-footer {
  border-top: var(--hairline) solid var(--line-mid);
  padding-top: 0.875rem;
}

.app-main {
  flex: 1;
  min-width: 0;
  padding: 2.5rem;
}

@media (max-width: 860px) {
  .app-sidebar {
    display: none;
  }
  .app-main {
    padding: 1.5rem;
  }
}

.page-head {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.25rem;
  border-bottom: var(--hairline) solid var(--line);
  padding-bottom: 1rem;
}

@media (min-width: 640px) {
  .page-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

.page-head h1 {
  font-size: 1.125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-head .sub {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

/* simple card grid reused by dashboard */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  display: block;
  padding: 1.5rem;
  background: var(--paper-raised);
  border: var(--hairline) solid var(--line-mid);
}

a.card:hover {
  border-color: var(--line);
}

.card h3 {
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.375rem;
}

.card p {
  font-size: 0.875rem;
  color: var(--ink-soft);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 1rem;
  border: var(--hairline) solid var(--line-mid);
  color: var(--red);
  background: var(--paper);
}

.search {
  position: relative;
  max-width: 26rem;
}
.search svg {
  position: absolute;
  top: 50%;
  left: 0.75rem;
  transform: translateY(-50%);
  color: var(--ink-faint);
  pointer-events: none;
}
.search .input {
  padding-left: 2.375rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.3125rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  background: var(--paper-raised);
  border: var(--hairline) solid var(--line-mid);
  cursor: pointer;
}

.chip:hover {
  color: var(--ink);
  border-color: var(--line);
}

.chip.is-active {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

/* ---- FAQ (details) -------------------------------------------------------------------------------------------------------- */
.faq {
  max-width: 46rem;
  display: grid;
  gap: 0;
  border: var(--hairline) solid var(--line);
  background: var(--paper-raised);
}

.faq details + details {
  border-top: var(--hairline) solid var(--line-faint);
}

.faq summary {
  padding: 1rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  color: var(--ink-faint);
}

.faq details[open] summary::after {
  content: "–";
  color: var(--red);
}

.faq .faq-body {
  padding: 0 1.25rem 1.125rem;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

/* ---- Auth (aliases old template classes onto the paper-form language) --------------------------------------------------------- */
.auth-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 4rem 1.25rem;
}

.auth-card {
  width: 100%;
  max-width: 26rem;
  padding: 2rem 1.75rem;
  background: var(--paper-raised);
  border: var(--hairline) solid var(--line);
}

.auth-card h1 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: 0.75rem;
  border-bottom: var(--hairline) solid var(--line);
  margin-bottom: 0.875rem;
}

.auth-card .auth-sub {
  font-size: 0.875rem;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
}

.auth-footer {
  font-size: 0.8125rem;
  color: var(--ink-soft);
}

/* red action button used by auth templates */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5625rem 1rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  border: var(--hairline) solid var(--line);
  color: var(--ink);
  border-radius: 0;
}

.btn:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn-accent {
  border: 1.5px solid var(--red);
  color: var(--red);
}

.btn-accent:hover {
  background: var(--red);
  color: var(--paper);
}

.btn-ghost {
  border-color: transparent;
  color: var(--ink-soft);
}

.btn-ghost:hover {
  background: var(--paper-shade);
  color: var(--ink);
}

/* ---- Print: the site is a document — make it print like one ------------------------------------------------------------------ */
@media print {
  .sheet-grid,
  .sheet-head .head-actions,
  .stamp {
    display: none;
  }
  .sheet-frame {
    position: static;
  }
  .title-block {
    position: static;
    margin: 2rem 0 0 auto;
    width: max-content;
  }
  body {
    background: #fff;
  }
}