/* The Boardroom — pitch brief
   Ink / paper / brass. Flat planes. Hairline rules. */

:root {
  --ink: #0B0B0A;
  --paper: #F4F0E8;
  --brass: #B08D57;
  --rule: rgba(11, 11, 10, 0.16);
  --rule-strong: rgba(11, 11, 10, 0.28);
  --muted: rgba(11, 11, 10, 0.62);
  --faint: rgba(11, 11, 10, 0.42);
  --paper-deep: #EBE4D6;
  --max: 68rem;
  --text: 38rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  font-feature-settings: "kern" 1, "liga" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.4rem 0.7rem;
  z-index: 10;
}

.skip:focus {
  top: 0.75rem;
}

/* Masthead */
.mast {
  border-bottom: 1px solid var(--rule);
}

.mast-rule {
  height: 3px;
  background: var(--brass);
}

.mast-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.15rem 1.5rem 1.05rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.mast-meta {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Layout */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero {
  padding: 5.5rem 0 4.75rem;
  border-bottom: 1px solid var(--rule);
}

.kicker {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.35rem;
}

.hero h1 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: clamp(2.6rem, 7vw, 4.85rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 1.6rem;
  max-width: 16ch;
}

.hero h1 em {
  font-style: italic;
  font-weight: 400;
}

.lede {
  max-width: 36rem;
  font-size: 1.125rem;
  color: var(--ink);
  margin: 0 0 2.1rem;
}

.lede strong {
  font-weight: 500;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.1rem 1.5rem;
}

.btn {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  padding: 0.72rem 1.15rem 0.7rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid var(--ink);
}

.btn:hover,
.btn:focus-visible {
  background: var(--brass);
  border-color: var(--brass);
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-strong);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.cta-note {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--faint);
}

/* Sections */
.section {
  padding: 4.25rem 0 4.4rem;
  border-bottom: 1px solid var(--rule);
}

.section-head {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1rem 1.5rem;
  margin-bottom: 2.4rem;
  align-items: baseline;
}

.idx {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
}

.section h2 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: clamp(1.85rem, 3.4vw, 2.45rem);
  line-height: 1.15;
  margin: 0;
}

.prose {
  max-width: var(--text);
}

.prose p {
  margin: 0 0 1rem;
}

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

/* Seat */
.seat-grid {
  display: grid;
  grid-template-columns: minmax(14rem, 18rem) 1fr;
  gap: 2.5rem 3.5rem;
  align-items: start;
}

.fee-panel {
  border-top: 1px solid var(--ink);
  padding-top: 1.1rem;
}

.fee-label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.55rem;
}

.fee-num {
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "kern" 1;
  font-size: clamp(2.1rem, 4vw, 2.65rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 0.7rem;
}

.fee-cap {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

.not-equity {
  margin-top: 1.15rem;
  padding-top: 1.05rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9375rem;
}

.not-equity strong {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 2.5rem;
  margin-top: 2.4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}

.split h3 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: 1.35rem;
  margin: 0 0 0.7rem;
}

.split ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.split li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.975rem;
}

.split li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 0.4rem;
  height: 1px;
  background: var(--brass);
}

.aside {
  margin-top: 2.25rem;
  padding: 1.15rem 0 0 1.15rem;
  border-left: 2px solid var(--brass);
  max-width: 40rem;
}

.aside p {
  margin: 0;
  font-size: 0.975rem;
}

.aside em {
  font-family: "Instrument Serif", Georgia, serif;
  font-style: italic;
  font-size: 1.1em;
}

/* Types */
.types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--rule-strong);
}

.type {
  padding: 1.6rem 1.55rem 1.7rem;
}

.type + .type {
  border-left: 1px solid var(--rule-strong);
}

.type-kicker {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 0.55rem;
}

.type h3 {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 1.7rem;
  font-weight: 400;
  margin: 0 0 0.65rem;
}

.type p {
  margin: 0;
  color: var(--ink);
}

.draft {
  margin-top: 1.75rem;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--rule);
}

.draft h3 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: 1.45rem;
  margin: 0 0 0.7rem;
}

.rules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem 1.75rem;
  margin: 1.15rem 0 0;
  padding: 0;
  list-style: none;
}

.rules li {
  margin: 0;
}

.rules strong {
  display: block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.rules span {
  display: block;
  font-size: 0.95rem;
}

/* Input */
.channels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  margin: 0 0 1.6rem;
}

.chip {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 0.32rem 0.55rem;
  border: 1px solid var(--rule-strong);
}

.chip-off {
  color: var(--faint);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

.marks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 2rem;
  border-top: 1px solid var(--ink);
}

.mark {
  padding: 1.15rem 1.2rem 1.25rem 0;
}

.mark + .mark {
  padding-left: 1.2rem;
  border-left: 1px solid var(--rule);
}

.mark dt {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 1.45rem;
  font-style: italic;
  margin: 0 0 0.4rem;
}

.mark dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

/* Gantt */
.gantt-intro {
  max-width: var(--text);
  margin-bottom: 1.75rem;
}

.gantt {
  border: 1px solid var(--rule-strong);
  background: var(--paper);
}

.gantt-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.4rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--rule);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.swatch {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  margin-right: 0.35rem;
  vertical-align: -0.08rem;
  background: var(--ink);
}

.swatch-mid {
  background: var(--brass);
}

.swatch-void {
  background: transparent;
  border: 1px solid var(--rule-strong);
}

.gantt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.gantt-table th,
.gantt-table td {
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: middle;
}

.gantt-table thead th {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--rule-strong);
}

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

.board-id {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  white-space: nowrap;
  width: 6.5rem;
}

.phase {
  min-width: 7rem;
}

.bar {
  display: block;
  height: 0.55rem;
  background: var(--paper-deep);
  position: relative;
}

.bar > i {
  display: block;
  height: 100%;
  background: var(--ink);
}

.bar > i.partial {
  background: var(--brass);
}

.bar.empty {
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 2px,
    rgba(11, 11, 10, 0.06) 2px,
    rgba(11, 11, 10, 0.06) 3px
  );
}

.status {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

/* Close */
.close {
  padding: 5rem 0 3.5rem;
  text-align: left;
}

.close h2 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: clamp(2.15rem, 5vw, 3.35rem);
  line-height: 1.05;
  max-width: 16ch;
  margin: 0 0 1rem;
}

.close p {
  max-width: 32rem;
  margin: 0 0 1.75rem;
}

.foot {
  border-top: 1px solid var(--rule);
  padding: 1.15rem 0 2.4rem;
}

.foot-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
}


/* Loop */
.loop {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem 1.75rem;
  margin: 1.75rem 0 0;
  padding: 1.5rem 0 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.loop li {
  margin: 0;
}

.loop strong {
  display: block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 0.4rem;
}

.loop span {
  display: block;
  font-size: 0.975rem;
}

.orch {
  margin-top: 2.4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}

.orch h3 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: 1.45rem;
  margin: 0 0 0.7rem;
}

.orch .prose {
  margin-bottom: 1.25rem;
}

.flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0;
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
}

.flow li {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.38rem 0.65rem;
  border: 1px solid var(--ink);
  background: var(--paper);
}

.flow li + li {
  margin-left: 1.35rem;
  position: relative;
}

.flow li + li::before {
  content: "→";
  position: absolute;
  left: -1.05rem;
  top: 50%;
  transform: translateY(-52%);
  color: var(--brass);
  font-size: 0.85rem;
  letter-spacing: 0;
}

.fine {
  margin: 0.85rem auto 0;
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--faint);
  max-width: var(--max);
  line-height: 1.5;
}

@media (max-width: 820px) {
  .section-head,
  .seat-grid,
  .split,
  .types,
  .rules,
  .loop,
  .marks {
    grid-template-columns: 1fr;
  }

  .section-head {
    gap: 0.35rem;
    margin-bottom: 1.6rem;
  }

  .type + .type {
    border-left: 0;
    border-top: 1px solid var(--rule-strong);
  }

  .mark + .mark {
    border-left: 0;
    padding-left: 0;
    border-top: 1px solid var(--rule);
  }

  .hero {
    padding: 3.4rem 0 3.1rem;
  }

  .status {
    white-space: normal;
  }
}

@media (max-width: 560px) {
  .mast-inner,
  .wrap {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }

  .mast-inner {
    flex-direction: column;
    gap: 0.25rem;
  }

  .gantt {
    overflow-x: auto;
  }

  .gantt-table {
    min-width: 34rem;
  }
}

.bar-100 > i { width: 100%; }
.bar-80 > i { width: 80%; }
.bar-70 > i { width: 70%; }
.bar-60 > i { width: 60%; }
.bar-55 > i { width: 55%; }
.bar-40 > i { width: 40%; }
.bar-35 > i { width: 35%; }
.bar-25 > i { width: 25%; }
.bar-20 > i { width: 20%; }
.bar-15 > i { width: 15%; }