/* Holly roadmap site. Dark only, on purpose: near-black canvas, grey chevron bars,
   magenta accent, cyan second accent, thin rounded connector lines. Clearly not the
   cream-and-navy September requirements site. */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap");

:root {
  color-scheme: dark;
  --font: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --bg: #0f1014;
  --panel: #16171c;
  --panel2: #1b1d23;
  --bar: #25272e;
  --bar-hi: #30333b;
  --line: #3a3d46;
  --grid: rgba(255, 255, 255, 0.035);
  --border: rgba(255, 255, 255, 0.08);
  --border-bright: rgba(255, 255, 255, 0.18);
  --text: #f2f3f5;
  --dim: #8b8e98;
  --magenta: #d63f8c;
  --magenta-dim: rgba(214, 63, 140, 0.16);
  --cyan: #4cc2f1;
  --cyan-dim: rgba(76, 194, 241, 0.14);
  --red: #ff4d5e;
  --red-dim: rgba(255, 77, 94, 0.16);
  --amber: #f5a623;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
}
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--cyan);
}
button {
  font: inherit;
  color: inherit;
}
.dim {
  color: var(--dim);
}
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* nav */
.topnav {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 28px;
  background: rgba(15, 16, 20, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}
.brand .mark {
  width: 14px;
  height: 18px;
  background: var(--magenta);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 50% 100%, 0 72%);
}
.topnav .links {
  display: flex;
  gap: 6px;
  margin-left: auto;
  align-items: center;
}
.topnav .links a,
.topnav .links button {
  font-size: 14px;
  font-weight: 500;
  color: var(--dim);
  text-decoration: none;
  padding: 7px 14px;
  border-radius: 999px;
  border: 0;
  background: none;
  cursor: pointer;
}
.topnav .links a:hover,
.topnav .links button:hover {
  color: var(--text);
  background: var(--panel2);
}
.topnav .links a.active {
  color: var(--text);
  background: var(--bar);
}

/* shared */
.kicker {
  font: 600 12px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dim);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 12px 22px;
  border-radius: 999px;
  border: 0;
  background: var(--bar);
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}
.btn:hover {
  background: var(--bar-hi);
}
.btn.primary {
  background: var(--magenta);
  color: #fff;
}
.btn.primary:hover {
  filter: brightness(1.1);
}
.btn.small {
  padding: 7px 14px;
  font-size: 13px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--bar);
  color: var(--dim);
  border: 0;
}

/* landing */
.hero {
  padding: 110px 28px 90px;
}
.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
}
.hero h1 {
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin: 16px 0 20px;
  color: var(--magenta);
  max-width: 14ch;
}
.hero p {
  color: var(--text);
  opacity: 0.85;
  font-size: 19px;
  max-width: 56ch;
  margin: 0 0 34px;
}
.phase-strip {
  max-width: 1080px;
  margin: 64px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.phase-strip div {
  background: var(--bar);
  padding: 16px 30px 16px 26px;
  min-height: 92px;
  clip-path: polygon(
    0 0,
    calc(100% - 16px) 0,
    100% 50%,
    calc(100% - 16px) 100%,
    0 100%,
    16px 50%
  );
}
.phase-strip div:first-child {
  background: var(--magenta);
}
.phase-strip b {
  display: block;
  font: 600 12px var(--mono);
  opacity: 0.7;
}
.phase-strip strong {
  display: block;
  margin: 2px 0;
  font-weight: 700;
}
.phase-strip span {
  display: block;
  font-size: 13px;
  opacity: 0.75;
}
.footer {
  padding: 30px 28px;
  color: var(--dim);
  font-size: 13px;
  text-align: center;
}

/* dialogs */
dialog {
  border: 0;
  border-radius: 22px;
  padding: 0;
  background: var(--panel);
  color: var(--text);
  box-shadow: var(--shadow);
}
dialog::backdrop {
  background: rgba(5, 5, 8, 0.72);
  backdrop-filter: blur(4px);
}
.pin-dialog {
  width: min(420px, calc(100vw - 32px));
}
.pin-dialog form {
  padding: 32px;
}
.pin-dialog h2 {
  margin: 6px 0;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--magenta);
}
.pin-input {
  width: 100%;
  margin: 20px 0 8px;
  padding: 16px;
  text-align: center;
  font: 700 30px var(--mono);
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  background: var(--bg);
  color: var(--text);
  border: 1.5px solid var(--line);
  border-radius: 14px;
}
.pin-input:focus {
  border-color: var(--magenta);
  outline: none;
}
.form-msg {
  min-height: 22px;
  font-size: 13px;
  color: var(--red);
  margin: 0 0 12px;
}
.form-msg.ok {
  color: var(--cyan);
}
.dialog-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* roadmap page head */
.page-head {
  padding: 40px 28px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-end;
}
.page-head h1 {
  margin: 0 0 6px;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--magenta);
}
.page-head p {
  margin: 0;
  max-width: 60ch;
}
.stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-left: auto;
}
.stat {
  background: var(--panel);
  border-radius: 14px;
  padding: 10px 16px;
  min-width: 110px;
}
.stat b {
  display: block;
  font-size: 22px;
  font-weight: 800;
}
.stat span {
  font-size: 12px;
  color: var(--dim);
}

.controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  padding: 18px 28px;
}
.search {
  flex: 0 1 280px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 0;
  background: var(--panel2);
  color: var(--text);
  font-size: 14px;
}
.search::placeholder {
  color: var(--dim);
}
.filter {
  cursor: pointer;
}
.filter[aria-pressed="true"] {
  background: var(--bar-hi);
  color: var(--text);
}
.filter[aria-pressed="false"] {
  opacity: 0.5;
}
.legend {
  margin-left: auto;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--dim);
  align-items: center;
}
.legend i { display: inline-block; width: 26px; height: 14px; vertical-align: middle; margin-right: 7px; border-radius: 4px; background: var(--bar); box-shadow: inset 3px 0 0 var(--magenta); }
.legend i.live { background: var(--magenta); box-shadow: none; }
.legend i.moved { box-shadow: inset 0 0 0 2px var(--cyan); }
.legend i.warn { box-shadow: inset 0 0 0 2px var(--amber); }
.legend i.today { width: 2px; height: 16px; border-radius: 0; background: var(--magenta); box-shadow: none; }

/* gantt: lane column on the left, month grid, rounded cards */
.gantt-wrap { margin: 0 28px 48px; background: var(--panel); border-radius: 24px; }
.gantt { --label: 230px; position: relative; min-width: 900px; }
/* Below 900px the chart scrolls sideways inside its panel (desktop-first; phones are read-only). */
@media (max-width: 960px) { .gantt-wrap { overflow-x: auto; } }
.g-head { position: sticky; top: 60px; z-index: 8; display: grid; grid-template-columns: var(--label) 1fr; background: var(--panel); border-radius: 24px 24px 0 0; border-bottom: 1px solid var(--border); }
.g-corner { padding: 26px 24px 14px; color: var(--dim); font-size: 14px; align-self: end; }
.g-scale { position: relative; padding-right: 20px; }
.g-months { position: relative; height: 58px; }
.g-month { position: absolute; bottom: 8px; padding-left: 12px; font-size: 15px; font-weight: 600; color: var(--dim); white-space: nowrap; }
.g-month span { font-weight: 400; opacity: 0.7; }
.g-keys { position: relative; height: 30px; }
.g-key { position: absolute; top: 3px; transform: translateX(-50%); font-size: 11px; font-weight: 600; color: var(--amber); white-space: nowrap; background: var(--panel); padding: 0 6px; }
.g-key.low { top: 16px; }
.g-pin { position: absolute; bottom: -1px; width: 14px; height: 11px; transform: translateX(-50%); background: var(--magenta); clip-path: polygon(0 0, 100% 0, 50% 100%); }

.g-body { position: relative; }
.g-lines { position: absolute; top: 0; bottom: 0; left: var(--label); right: 20px; pointer-events: none; }
.g-lines .m { position: absolute; top: 0; bottom: 0; border-left: 1px solid rgba(255, 255, 255, 0.05); }
.g-lines .k { position: absolute; top: 0; bottom: 0; border-left: 1px dashed rgba(245, 166, 35, 0.35); }
.g-lines .t { position: absolute; top: 0; bottom: 0; border-left: 2px solid var(--magenta); z-index: 5; }
.g-links { position: absolute; inset: 0; pointer-events: none; overflow: visible; z-index: 6; }
.g-links path { fill: none; stroke: transparent; stroke-width: 2; }
.g-links path.hi { stroke: var(--magenta); stroke-width: 2.2; }

.g-lane { display: grid; grid-template-columns: var(--label) 1fr; border-bottom: 1px solid var(--border); }
.g-lane:last-child { border-bottom: 0; }
.g-lane-head {
  display: grid; grid-template-columns: 10px 1fr auto; grid-template-rows: auto auto; column-gap: 12px; align-content: start;
  text-align: left; background: none; border: 0; cursor: pointer; padding: 22px 16px 18px 24px; color: var(--text);
}
.g-lane-head .swatch { grid-row: 1 / span 2; width: 4px; height: 100%; min-height: 34px; border-radius: 4px; background: var(--lane); }
.g-lane-head .name { font-size: 15px; font-weight: 600; line-height: 1.25; }
.g-lane-head .count { grid-column: 2; font-size: 12px; color: var(--dim); margin-top: 2px; }
.g-lane-head .caret { grid-column: 3; grid-row: 1; color: var(--dim); font-size: 12px; transition: transform 0.15s; }
.g-lane.collapsed .caret { transform: rotate(-90deg); }
.g-lane.collapsed .g-rows, .g-lane.collapsed .g-tray { display: none; }
.g-lane.collapsed .g-track { min-height: 0; }
.g-track { position: relative; padding: 14px 20px 14px 0; min-height: 80px; }
.g-row { position: relative; height: 64px; }
.g-tray { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px 0 10px 10px; align-items: center; position: relative; z-index: 3; }
.g-tray .label { font-size: 12px; color: var(--dim); margin-right: 4px; }

.bar {
  position: absolute; top: 4px; height: 54px; min-width: 40px; z-index: 2;
  display: flex; flex-direction: column; justify-content: center; gap: 3px;
  padding: 0 14px; border: 0; border-radius: 12px; cursor: pointer; text-align: left; overflow: hidden;
  color: var(--text);
  background: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.025) 0 10px, transparent 10px 20px), var(--bar);
  box-shadow: inset 3px 0 0 var(--lane);
  transition: transform 0.12s, filter 0.12s, background 0.12s;
}
.bar .bt { font-size: 13.5px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar .bs { font-size: 11px; color: var(--dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar.live {
  background: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0 10px, transparent 10px 20px), var(--lane);
  box-shadow: none; color: #fff;
}
.bar.live .bs { color: rgba(255, 255, 255, 0.82); }
.bar.moved { box-shadow: inset 0 0 0 2px var(--cyan); }
.bar.warn { box-shadow: inset 0 0 0 2px var(--amber); }
.bar:hover, .bar:focus-visible { filter: brightness(1.18); transform: translateY(-1px); z-index: 7; }
.bar.hi { box-shadow: inset 0 0 0 2px var(--magenta); z-index: 7; }
.bar.ms { width: 20px; min-width: 20px; height: 20px; top: 21px; padding: 0; border-radius: 3px; transform: translateX(-10px) rotate(45deg); background: var(--lane); box-shadow: none; overflow: visible; }
.bar.ms:hover { transform: translateX(-10px) rotate(45deg) scale(1.15); }
.bar .ms-label { position: absolute; left: 22px; top: -6px; transform: rotate(-45deg); transform-origin: left top; font-size: 12px; font-weight: 600; color: var(--text); white-space: nowrap; pointer-events: none; }
.bar.dimmed { opacity: 0.15; }
.chip.unsched { cursor: pointer; background: var(--bar); color: var(--text); font-weight: 600; box-shadow: inset 3px 0 0 var(--lane); border-radius: 8px; }
.chip.unsched:hover { background: var(--bar-hi); }
.chip.unsched.dimmed { opacity: 0.2; }

/* hover card */
.hovercard {
  position: fixed;
  z-index: 60;
  width: 310px;
  pointer-events: none;
  background: var(--panel2);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 14px 16px;
  font-size: 13px;
  border-left: 4px solid var(--lane, var(--magenta));
}
.hovercard .hc-id {
  font: 600 11px var(--mono);
  color: var(--dim);
}
.hovercard h4 {
  margin: 3px 0 10px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
}
.hovercard dl {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 4px 10px;
  margin: 0;
}
.hovercard dt {
  color: var(--dim);
  font-size: 12px;
}
.hovercard dd {
  margin: 0;
  font-weight: 500;
}
.hovercard .note {
  margin-top: 10px;
  font-size: 12px;
  color: var(--amber);
}
.hovercard .note.moved {
  color: var(--cyan);
}

/* detail modal */
.item-dialog {
  width: min(840px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
}
.item-dialog[open] {
  display: flex;
  flex-direction: column;
}
.id-head {
  padding: 26px 30px 18px;
  position: relative;
  border-left: 6px solid var(--lane, var(--magenta));
}
.id-head h2 {
  margin: 8px 50px 0 0;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.id-close {
  position: absolute;
  top: 20px;
  right: 20px;
  border: 0;
  background: var(--bar);
  border-radius: 999px;
  width: 38px;
  height: 38px;
  cursor: pointer;
}
.id-close:hover {
  background: var(--magenta);
}
.id-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.id-body {
  padding: 6px 30px 30px;
  overflow-y: auto;
}
.meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 8px;
  margin: 12px 0 20px;
}
.meta div {
  border-radius: 12px;
  padding: 10px 12px;
  background: var(--bg);
}
.meta dt {
  font-size: 11px;
  color: var(--dim);
}
.meta dd {
  margin: 2px 0 0;
  font-weight: 600;
}
.desc p,
.desc li {
  line-height: 1.6;
}
.desc .lbl {
  font-weight: 700;
  color: var(--cyan);
  margin-right: 4px;
}
.desc ol,
.desc ul {
  padding-left: 22px;
}
.desc code {
  font: 12px var(--mono);
  background: var(--bg);
  padding: 1px 6px;
  border-radius: 6px;
}
.feedback {
  margin-top: 26px;
  background: var(--bg);
  border-radius: 16px;
  padding: 20px;
  position: relative;
}
.feedback h3 {
  margin: 4px 0 2px;
  font-size: 18px;
  font-weight: 700;
}
.feedback input,
.feedback textarea {
  width: 100%;
  margin: 10px 0 0;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font: 14px var(--font);
}
.feedback input:focus,
.feedback textarea:focus {
  border-color: var(--magenta);
  outline: none;
}
.feedback textarea {
  min-height: 110px;
  resize: vertical;
}
.feedback .hp {
  position: absolute;
  left: -9999px;
  width: 1px;
}
.feedback .row {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
}

/* resource board */
.board-section {
  margin: 0 28px 60px;
}
.board-section h2 {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 6px 0 6px;
  color: var(--cyan);
}
.board-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin: 14px 0;
}
.notice {
  font-size: 13px;
  color: var(--amber);
  background: rgba(245, 166, 35, 0.1);
  padding: 8px 14px;
  border-radius: 999px;
}
.board-wrap {
  background: var(--panel);
  border-radius: 22px;
  padding: 16px;
  overflow-x: auto;
}
.board {
  display: grid;
  grid-template-columns: clamp(96px, 10vw, 150px) repeat(var(--cols), minmax(0, 1fr));
  gap: 6px;
  min-width: 900px;
}
.b-colhead {
  padding: 6px 8px 10px;
  font-weight: 700;
  position: relative;
}
.b-colhead span {
  color: var(--dim);
  font-weight: 500;
}
.b-colhead .need {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: var(--red);
  border-radius: 999px;
  padding: 2px 8px;
  width: max-content;
}
.b-colhead.over {
  color: var(--red);
}
.b-lane {
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 700;
  border-left: 4px solid var(--lane);
  background: var(--panel2);
  border-radius: 0 10px 10px 0;
}
.b-cell {
  background: var(--panel2);
  border-radius: 10px;
  padding: 5px;
  min-height: 46px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.b-cell.over {
  box-shadow: inset 0 0 0 1.5px var(--red);
  background: var(--red-dim);
}
.b-cell.drop {
  box-shadow: inset 0 0 0 2px var(--cyan);
  background: var(--cyan-dim);
}
.b-card {
  background: var(--bar);
  border-radius: 8px;
  padding: 5px 8px;
  font-size: 11px;
  font-weight: 600;
  cursor: grab;
  border-left: 3px solid var(--lane);
  line-height: 1.3;
}
.b-card:hover {
  background: var(--bar-hi);
}
.b-card .bid {
  display: block;
  color: var(--dim);
  font: 500 10px var(--mono);
}
.b-card .tt {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.b-card.moved {
  box-shadow: inset 0 0 0 1.5px var(--cyan);
}
.b-card.warn {
  box-shadow: inset 0 0 0 1.5px var(--amber);
}
.b-card.dragging {
  opacity: 0.4;
}
.board.readonly .b-card {
  cursor: pointer;
}

.load {
  margin-top: 22px;
  display: grid;
  grid-template-columns: clamp(96px, 10vw, 150px) repeat(var(--cols), minmax(0, 1fr));
  gap: 6px;
  min-width: 900px;
}
.l-name {
  padding: 8px 10px;
  font-weight: 700;
  font-size: 13px;
}
.l-name small {
  display: block;
  color: var(--dim);
  font-weight: 500;
  font-size: 11px;
}
.l-name.over {
  color: var(--red);
}
.l-cell {
  background: var(--panel2);
  border-radius: 10px;
  padding: 7px 9px;
  font-size: 12px;
}
.l-cell .n {
  font-weight: 700;
}
.l-cell .cap {
  color: var(--dim);
}
.l-cell .meter {
  height: 5px;
  border-radius: 99px;
  background: var(--bar);
  margin-top: 5px;
  overflow: hidden;
}
.l-cell .meter i {
  display: block;
  height: 100%;
  background: var(--cyan);
  border-radius: 99px;
}
.l-cell.over {
  background: var(--red-dim);
}
.l-cell.over .n {
  color: var(--red);
}
.l-cell.over .meter i {
  background: var(--red);
}
.l-cell.flex .meter i {
  background: var(--magenta);
}
.provisional-load .l-cell .n {
  opacity: 0.75;
}

.loading {
  padding: 70px 24px;
  text-align: center;
  color: var(--dim);
}

@media (max-width: 720px) {
  .phase-strip {
    grid-template-columns: 1fr 1fr;
  }
  .stats {
    margin-left: 0;
  }
  .topnav {
    padding: 0 16px;
  }
  .gantt-wrap,
  .board-section {
    margin-left: 12px;
    margin-right: 12px;
  }
}

.bar.ms.flip .ms-label { left: auto; right: 22px; top: 22px; transform: rotate(-45deg); transform-origin: right bottom; }

/* narrower desktops: tighten type so cards and cells still read */
@media (max-width: 1280px) {
  .bar .bt { font-size: 12.5px; }
  .bar .bs { font-size: 10.5px; }
  .b-card { font-size: 10.5px; padding: 4px 6px; }
  .b-colhead { font-size: 13px; padding: 6px 4px 10px; }
  .l-cell { padding: 6px; font-size: 11px; }
  .l-cell .cap { display: block; }
  .legend { margin-left: 0; }
}
@media (max-width: 1100px) {
  .page-head .stats { margin-left: 0; }
  .g-lane-head .count { display: none; }
}

/* view toggle */
.view-bar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 18px 28px 0; }
.segmented { display: inline-flex; background: var(--panel2); border-radius: 999px; padding: 4px; }
.segmented button { border: 0; background: none; padding: 8px 18px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--dim); cursor: pointer; }
.segmented button[aria-pressed="true"] { background: var(--magenta); color: #fff; }
.view-hint { margin: 0; font-size: 13px; }
.bar.spot { box-shadow: 0 0 0 3px var(--magenta), 0 0 24px rgba(214, 63, 140, 0.55); z-index: 7; }

/* helicopter view */
.heli-section { margin: 20px 28px 60px; background: radial-gradient(90% 70% at 70% 90%, rgba(124, 92, 255, 0.12), transparent 60%), radial-gradient(60% 50% at 20% 100%, rgba(214, 63, 140, 0.1), transparent 70%), var(--panel); border-radius: 24px; padding: 20px 0 10px; overflow: hidden; }
.heli { position: relative; margin: 0 28px; }
.h-stage { position: relative; perspective: 2600px; perspective-origin: 50% 0%; }
.h-floor { position: relative; transform-origin: 50% 0; transform: rotateX(56deg); transform-style: preserve-3d; }
.h-grid { position: absolute; inset: 0; overflow: visible; -webkit-mask-image: radial-gradient(70% 60% at 50% 50%, #000 45%, transparent 100%); mask-image: radial-gradient(70% 60% at 50% 50%, #000 45%, transparent 100%); }
.h-grid .lat { stroke: rgba(255, 255, 255, 0.09); stroke-width: 1.5; stroke-dasharray: 8 8; }
.h-grid .path { fill: none; stroke: rgba(255, 255, 255, 0.45); stroke-width: 3; stroke-dasharray: 16 12; }
.h-grid .ring { fill: rgba(214, 63, 140, 0.12); stroke: rgba(214, 63, 140, 0.6); stroke-width: 2; }
.h-grid .ring.key { fill: rgba(245, 166, 35, 0.14); stroke: rgba(245, 166, 35, 0.7); }
.h-grid .dot { fill: var(--magenta); }
.h-grid .dot.key { fill: var(--amber); }
.h-base { position: absolute; width: 26px; height: 26px; pointer-events: none; }
.h-overlay { position: absolute; inset: 0; pointer-events: none; }
.h-overlay > * { pointer-events: auto; }
.h-stem { position: absolute; width: 2px; margin-left: -1px; background: linear-gradient(to top, rgba(214, 63, 140, 0.15), var(--magenta)); pointer-events: none; }
.h-stem.key { background: linear-gradient(to top, rgba(245, 166, 35, 0.15), var(--amber)); }
.h-slot { position: absolute; display: flex; align-items: flex-end; z-index: 2; animation: h-rise 0.5s ease-out both; }
.h-slot.front { z-index: 3; }
@keyframes h-rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .h-slot { animation: none; } }
.h-card {
  width: 100%; max-height: 100%; overflow: hidden; cursor: pointer;
  background: rgba(31, 33, 40, 0.94); backdrop-filter: blur(6px); border-radius: 14px; padding: 12px 14px 10px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05); transition: transform 0.15s, box-shadow 0.15s;
}
.h-card:hover, .h-card:focus-visible { transform: translateY(-3px); box-shadow: 0 0 0 1.5px var(--magenta), 0 22px 44px rgba(0, 0, 0, 0.55); }
.h-card.key { box-shadow: inset 0 0 0 1.5px rgba(245, 166, 35, 0.6), 0 18px 40px rgba(0, 0, 0, 0.5); }
.h-head { font: 600 10px var(--mono); letter-spacing: 0.04em; text-transform: uppercase; color: var(--dim); margin-bottom: 7px; line-height: 1.5; }
.h-card.key .h-head { color: var(--amber); }
.h-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.h-card li { position: relative; padding-left: 14px; }
.h-card li::before { content: ""; position: absolute; left: 0; top: 6px; width: 6px; height: 6px; border-radius: 50%; background: var(--lane); }
.h-card li button { border: 0; background: none; padding: 0; text-align: left; color: var(--text); font-size: 12px; line-height: 1.35; cursor: pointer; }
.h-card li button:hover { color: var(--magenta); text-decoration: underline; }
.h-card li.moved button { color: var(--cyan); }
.h-card .empty { margin: 0; font-size: 12px; color: var(--dim); }
.h-card .more { margin: 6px 0 0; font-size: 11px; color: var(--dim); }
.h-pin { position: absolute; width: calc(18px * var(--k, 1)); height: calc(18px * var(--k, 1)); transform: translate(-50%, -50%); border-radius: 50%; background: var(--magenta); box-shadow: 0 0 0 6px rgba(214, 63, 140, 0.2), 0 0 18px rgba(214, 63, 140, 0.6); z-index: 4; pointer-events: none; }
.h-pin.key { background: var(--amber); box-shadow: 0 0 0 6px rgba(245, 166, 35, 0.2), 0 0 18px rgba(245, 166, 35, 0.6); }
.h-label { position: absolute; z-index: 4; transform: translateX(-50%); white-space: nowrap; pointer-events: none; width: 220px; }
.h-label .h-month { position: absolute; right: calc(50% + 12px); top: 0; }
.h-label .h-year { position: absolute; left: calc(50% + 12px); top: -2px; }
.h-month { color: var(--cyan); font-size: 13px; font-weight: 600; }
.h-year { color: var(--text); font-size: 17px; font-weight: 800; }

/* helicopter view, narrow screens: one vertical timeline */
.heli.narrow { margin: 0 16px; padding-left: 26px; border-left: 2px dashed var(--line); }
.heli.narrow .h-stop { position: relative; margin-bottom: 22px; }
.heli.narrow .h-pin { left: -27px; top: 12px; }
.heli.narrow .h-label { position: static; transform: none; display: flex; gap: 10px; margin-bottom: 8px; align-items: baseline; width: auto; }
.heli.narrow .h-label .h-month, .heli.narrow .h-label .h-year { position: static; }
.heli.narrow .h-pin { transform: none; width: 18px; height: 18px; }

/* phones: keep the nav to one line */
@media (max-width: 600px) {
  .brand { font-size: 14px; white-space: nowrap; }
  .topnav { gap: 8px; }
  .topnav .links { gap: 0; }
  .topnav .links a, .topnav .links button { padding: 6px 8px; font-size: 13px; }
  #source, .topnav .links a[href="/"]:not(.active) { display: none; }
  .heli-section { margin-left: 12px; margin-right: 12px; }
  .view-bar, .page-head { padding-left: 16px; padding-right: 16px; }
}

/* landing: animated neural net behind the hero */
.hero { position: relative; overflow: hidden; min-height: calc(100vh - 60px); display: flex; flex-direction: column; justify-content: center; }
.hero-bg { position: absolute; inset: 0; background: url("img/hero-neural.webp") right center / cover no-repeat; opacity: 0.45; }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.9; }
.hero-fade { position: absolute; inset: 0; background: linear-gradient(90deg, var(--bg) 0%, rgba(15, 16, 20, 0.82) 32%, rgba(15, 16, 20, 0.15) 70%, rgba(15, 16, 20, 0.35) 100%), linear-gradient(0deg, var(--bg) 0%, transparent 22%); pointer-events: none; }
.hero-inner, .hero .phase-strip { position: relative; z-index: 2; width: 100%; }
.hero-inner { padding-top: 20px; }

.ways { max-width: 1180px; margin: 0 auto; padding: 80px 28px 100px; text-align: center; }
.ways h2 { font-size: clamp(28px, 3.4vw, 42px); font-weight: 800; letter-spacing: -0.02em; margin: 8px 0 40px; }
.ways-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-bottom: 44px; text-align: left; }
.way { background: var(--panel); border-radius: 22px; padding: 10px 10px 24px; transition: transform 0.2s, box-shadow 0.2s; }
.way:hover { transform: translateY(-4px); box-shadow: 0 0 0 1.5px rgba(214, 63, 140, 0.5), var(--shadow); }
.way img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 16px; background: var(--bg); }
.way h3 { margin: 16px 16px 6px; font-size: 19px; font-weight: 700; }
.way p { margin: 0 16px; color: var(--dim); font-size: 14.5px; }
@media (max-width: 860px) { .ways-grid { grid-template-columns: 1fr; } }