/* THE THREE DOORS · master/css/three-doors.css · 15 Oct 2026
   The triangle and the three doors on the home of every site of the house (tools/three_doors.py writes the section). Ink, white and silver
   only: no news red, no signal green (those keep their own places). Headings take the shared sheet's faces. */
.td-sec { --td-ink: #0B0B0E; --td-mute: #5B5E68; --td-line: #D9DAE0; --td-soft: #F4F4F7; --td-silver: #8E9099; }
.td-sec .td-head { max-width: 760px; margin: 0 auto; text-align: center; }
.td-sec .td-head .td-sub { margin-inline: auto; }
.td-stage { position: relative; max-width: 780px; margin: clamp(24px, 4vw, 48px) auto 0; color: var(--td-ink); }
.td-tri { display: block; width: 100%; height: auto; overflow: visible; }
.td-face { fill: var(--td-soft); stroke: none; }
.td-edge path { fill: none; stroke: var(--td-line); stroke-width: 2; transition: stroke .3s; }
.td-dot { fill: var(--td-silver); opacity: .85; }
.td-edge-label { font: 500 15px/1 Inter, system-ui, sans-serif; fill: var(--td-mute); transition: fill .3s; }
.td-centre { font: 700 22px/1 Givonic, "Inter", sans-serif; letter-spacing: .04em; text-transform: uppercase; fill: var(--td-ink); }
.td-centre-sub { font: 400 15px/1 Inter, system-ui, sans-serif; fill: var(--td-mute); }
.td-centre-glow { color: var(--td-silver); opacity: .5; }
.td-node { cursor: pointer; outline: none; }
.td-node-ring { fill: none; stroke: var(--td-line); stroke-width: 1.5; transition: stroke .3s, r .3s; }
.td-node-disc { fill: #fff; stroke: var(--td-ink); stroke-width: 2; transition: fill .3s; }
.td-node-n { font: 600 26px/1 Inter, system-ui, sans-serif; fill: var(--td-ink); transition: fill .3s; }
.td-node-name { font: 700 22px/1 Givonic, "Inter", sans-serif; letter-spacing: .03em; text-transform: uppercase; fill: var(--td-ink); }
.td-node-role { font: 400 15px/1 Inter, system-ui, sans-serif; fill: var(--td-mute); }
.td-node[data-td-node="sns"] .td-node-disc { fill: var(--td-ink); }
.td-node[data-td-node="sns"] .td-node-n { fill: #fff; }
/* lit: a node, its edges and its card answer one another (three-doors.js sets data-td-lit on the section) */
.td-sec[data-td-lit] .td-edge path { stroke: #ECEDF1; }
.td-sec[data-td-lit] .td-edge.on path { stroke: var(--td-ink); }
.td-sec[data-td-lit] .td-edge.on .td-dot { fill: var(--td-ink); }
.td-sec[data-td-lit] .td-edge.on .td-edge-label { fill: var(--td-ink); }
.td-node.on .td-node-ring, .td-node:focus-visible .td-node-ring { stroke: var(--td-ink); }
.td-node.on .td-node-disc { fill: var(--td-ink); }
.td-node.on .td-node-n { fill: #fff; }
.td-node:focus-visible .td-node-ring { stroke-width: 3; }

/* the three doors */
.td-doors { list-style: none; margin: clamp(28px, 4vw, 48px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.td-door { display: flex; flex-direction: column; gap: 10px; padding: 26px 24px 24px; background: #fff; border: 1px solid var(--td-line); border-radius: 16px; transition: border-color .3s, box-shadow .3s, transform .3s; }
.td-door.on, .td-door:hover { border-color: var(--td-ink); box-shadow: 0 10px 30px rgba(11, 11, 14, .08); transform: translateY(-2px); }
.td-door.td-me { background: var(--td-soft); }
.td-door-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 28px; }
.td-n { font: 500 12px/1 ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .06em; color: var(--td-mute); }
.td-here, .td-soon { font: 500 11px/1 Inter, system-ui, sans-serif; letter-spacing: .08em; text-transform: uppercase; padding: 6px 9px; border-radius: 999px; }
.td-here { background: var(--td-ink); color: #fff; }
.td-soon { border: 1px solid var(--td-line); color: var(--td-mute); }
.td-door h3 { margin: 6px 0 0; font: 700 clamp(22px, 2vw, 26px)/1.1 Givonic, "Inter", sans-serif; letter-spacing: .02em; text-transform: uppercase; color: var(--td-ink); }
.td-role { margin: 0; font: 500 15px/1.3 Inter, system-ui, sans-serif; color: var(--td-ink); }
.td-line { margin: 0; font: 400 15px/1.55 Inter, system-ui, sans-serif; color: var(--td-mute); flex: 1; }
.td-btn { align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; margin-top: 8px; padding: 12px 18px; border-radius: 999px; background: var(--td-ink); color: #fff !important; font: 500 15px/1 Inter, system-ui, sans-serif; text-decoration: none; }
.td-btn-line { background: transparent; color: var(--td-ink) !important; border: 1px solid var(--td-ink); }
.td-btn .td-arrow { width: 16px; height: 16px; transition: transform .25s; }
.td-btn:hover .td-arrow, .td-btn:focus-visible .td-arrow { transform: translateX(3px); }
.td-btn:focus-visible { outline: 2px solid var(--td-ink); outline-offset: 3px; }

/* the four steps: a row whose numbers carry its order, no arrow across (CLAUDE.md 1k) */
.td-steps { list-style: none; margin: clamp(28px, 4vw, 44px) 0 0; padding: 22px 0 0; border-top: 1px solid var(--td-line); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.td-steps li { display: grid; gap: 6px; }
.td-steps b { font: 600 17px/1.25 Inter, system-ui, sans-serif; color: var(--td-ink); }
.td-steps small { font: 400 14px/1.3 Inter, system-ui, sans-serif; color: var(--td-mute); }

@media (max-width: 900px) {
  .td-doors { grid-template-columns: minmax(0, 1fr); }
  .td-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .td-edge-label, .td-centre-sub, .td-node-role { display: none; }   /* the cards beneath carry the words; the drawing keeps the names and numbers */
  .td-centre { font-size: 34px; }
  .td-node-name { font-size: 29px; letter-spacing: 0; } .td-node-n { font-size: 40px; }
  .td-tri { margin-inline: -8px; width: calc(100% + 16px); }
}
}
@media (prefers-reduced-motion: reduce) { .td-dot { display: none; } .td-door { transition: none; } .td-door:hover { transform: none; } }