:root {
  --navy: #0d2440; --navy-2: #143558; --teal: #2a7f9e; --teal-l: #e6f3f7; --gold: #f2b544; --gold-d: #b9821a;
  --ink: #142133; --muted: #5b6b7d; --line: #dfe6ee; --bg: #f6f8fb; --card: #ffffff;
  --a: #2a7f9e; --b: #8a4fbf; --c: #2e9b62; --d: #d0632f; --e: #5b6b7d; --x: #b9821a;
  --red: #c2413a;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; }
body { margin: 0; font: 16px/1.55 Inter, system-ui, sans-serif; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--teal); }
h1, h2, h3 { font-family: 'DM Serif Display', Georgia, serif; font-weight: 400; line-height: 1.15; margin: 0 0 .4em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.3rem; }
h4 { margin: 0; font-size: 1.05rem; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; font-weight: 600; color: var(--teal); margin: 0 0 .5em; }
.small { font-size: .88rem; color: var(--muted); }
.gold { color: var(--gold); }
[hidden] { display: none !important; }

/* hero */
.hero { background: radial-gradient(circle at 85% 10%, #1f4f7a 0, transparent 55%), var(--navy); color: #fff; padding: 64px 0 48px; }
.hero .eyebrow { color: var(--gold); }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); max-width: 860px; }
.lede { font-size: 1.12rem; max-width: 760px; color: #cfdbe8; }
.hero-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-top: 28px; }
.hero-meta div { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; padding: 12px 14px; }
.hero-meta b { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--gold); }
.hero-meta span, .hero-meta a { color: #fff; font-weight: 600; word-break: break-word; }

/* toc */
.toc { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.toc-inner { display: flex; gap: 4px; overflow-x: auto; padding-top: 8px; padding-bottom: 8px; scrollbar-width: none; }
.toc a { white-space: nowrap; text-decoration: none; color: var(--ink); font-size: .88rem; font-weight: 500; padding: 6px 10px; border-radius: 8px; }
.toc a:hover { background: var(--teal-l); }

main section { margin: 48px 0; }
.sec-head { margin-bottom: 18px; }
.sec-head p { color: var(--muted); margin: 0; max-width: 780px; }

.how { margin-top: 28px; border-left: 4px solid var(--gold); }
.how ol { margin: 0; padding-left: 1.2em; }
.how li { margin: .25em 0; }

.tldr-grid { display: grid; gap: 12px; }
.tldr { display: flex; gap: 14px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.tldr p { margin: 0; }
.tldr .n { flex: none; width: 32px; height: 32px; border-radius: 50%; background: var(--navy); color: var(--gold); display: grid; place-items: center; font-weight: 700; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.stat b { display: block; font-family: 'DM Serif Display', serif; font-size: 2.2rem; font-weight: 400; color: var(--navy); line-height: 1.1; }
.stat span { color: var(--muted); font-size: .9rem; }
.stat.warn b { color: var(--red); }

.chart figcaption { font-weight: 600; margin-bottom: 8px; }
.chart svg { width: 100%; height: auto; display: block; }
.chart .grid line { stroke: var(--line); }
.chart .ax { fill: var(--muted); font-size: 11px; }
.chart .cl { fill: var(--red); font-size: 11px; font-weight: 700; }
.chart .cpr { fill: none; stroke: var(--red); stroke-width: 2.5; }
.chart .dots circle { fill: #fff; stroke: var(--red); stroke-width: 2.5; }
.b-lead { fill: #9fb6cc; background: #9fb6cc; }
.b-tf { fill: var(--teal); background: var(--teal); }
.b-consult { fill: var(--gold); background: var(--gold); }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: .82rem; color: var(--muted); margin-top: 6px; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.legend i.ln { height: 3px; background: var(--red); vertical-align: 3px; }
.chart-note { font-size: .85rem; color: var(--muted); margin: 10px 0 0; }

.lessons { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; margin-top: 16px; }
.lesson { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.lesson h3 { font-size: 1.15rem; }
.lesson p { margin: 0; }

.filters { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; align-items: center; }
.filters.sub span { font-size: .85rem; color: var(--muted); margin-right: 4px; }
.filters button { font: inherit; font-size: .86rem; border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 6px 12px; cursor: pointer; color: var(--ink); }
.filters button.on { background: var(--navy); color: #fff; border-color: var(--navy); }

.win-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.win { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.win-img { position: relative; display: block; aspect-ratio: 1; background: #e9eef3; }
.win-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.win .rank { position: absolute; top: 10px; left: 10px; background: var(--navy); color: var(--gold); font-weight: 700; font-size: .8rem; padding: 3px 8px; border-radius: 6px; }
.win .play { position: absolute; bottom: 10px; right: 10px; background: rgba(13,36,64,.85); color: #fff; font-size: .8rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; }
.win-body { padding: 14px 16px 6px; }
.win h3 { font-size: 1.1rem; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 8px 0; }
.metrics div { background: var(--teal-l); border-radius: 8px; padding: 6px; text-align: center; }
.metrics b { display: block; font-size: .92rem; color: var(--navy); }
.metrics span { font-size: .66rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.ev { font-size: .78rem; color: var(--muted); margin: 0 0 6px; }
.why { font-size: .9rem; margin: 0 0 6px; }

.flop-list { display: grid; gap: 0; padding: 4px 20px; }
.flop-list > div:not(.cbar) { padding: 12px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: minmax(180px, 280px) 1fr; gap: 12px; }
.flop-list > div:nth-last-child(2) { border-bottom: 0; }
.flop-list span { color: var(--muted); }

.big-idea { background: var(--navy); color: #fff; border: 0; }
.big-idea .eyebrow { color: var(--gold); }
.big-idea h3 { font-size: clamp(1.4rem, 3vw, 2rem); color: #fff; }
.big-idea p { color: #d7e2ee; margin: 0; }
.big-idea .cbtn { color: #fff; border-color: rgba(255,255,255,.3); }
.phases { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; margin-top: 12px; }
.phase p:last-of-type { margin-bottom: 0; }

.struct { display: grid; grid-template-columns: 2fr 1fr; gap: 12px; }
.camp h3 { font-size: 1.05rem; font-family: Inter, sans-serif; font-weight: 700; }
.adsets { display: grid; gap: 8px; margin-top: 10px; }
.adset { border: 1px solid var(--line); border-left: 5px solid var(--a); border-radius: 10px; padding: 10px 12px; display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; }
.adset b { grid-column: 1; } .adset span { grid-column: 1; font-size: .88rem; color: var(--muted); } .adset em { grid-column: 2; grid-row: 1 / 3; align-self: center; font-style: normal; font-weight: 700; color: var(--navy); white-space: nowrap; }
.adset.b { border-left-color: var(--b); } .adset.c { border-left-color: var(--c); } .adset.d { border-left-color: var(--d); } .adset.e { border-left-color: var(--e); }
.budget { margin-top: 12px; }
.budget table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.budget th, .budget td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.budget th { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.budget tr.tot td { font-weight: 700; background: var(--teal-l); border-bottom: 0; }

/* briefs */
.set-head { font-size: 1.4rem; margin: 30px 0 12px; padding-left: 12px; border-left: 5px solid var(--a); }
.set-head.set-b { border-color: var(--b); } .set-head.set-c { border-color: var(--c); } .set-head.set-d { border-color: var(--d); } .set-head.set-e { border-color: var(--e); } .set-head.set-x { border-color: var(--x); }
.brief { margin-bottom: 12px; border-top: 4px solid var(--a); }
.brief.set-b { border-top-color: var(--b); } .brief.set-c { border-top-color: var(--c); } .brief.set-d { border-top-color: var(--d); } .brief.set-e { border-top-color: var(--e); } .brief.set-x { border-top-color: var(--x); }
.brief-head { display: flex; gap: 12px; align-items: flex-start; }
.bid { flex: none; font-weight: 800; background: var(--navy); color: var(--gold); border-radius: 8px; padding: 6px 9px; font-size: .95rem; }
.bt { flex: 1; min-width: 0; }
.tags { margin: 6px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: .75rem; background: #eef2f6; border-radius: 999px; padding: 3px 9px; color: var(--ink); }
.tag.f { background: var(--teal-l); font-weight: 600; }
.tag.w1 { background: #fff3d6; } .tag.w2 { background: #f1e8fb; } .tag.w3 { background: #fde7dc; }
.status-pill { font-size: .8rem; font-weight: 600; white-space: nowrap; }
.status-pill.s-approved { color: var(--c); } .status-pill.s-changes { color: var(--d); } .status-pill.s-skip { color: var(--muted); }
.brief-body { display: grid; grid-template-columns: 170px 1fr; gap: 18px; margin-top: 14px; }
.ref { display: block; text-decoration: none; color: var(--ink); align-self: start; }
.ref img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 10px; display: block; border: 1px solid var(--line); }
.ref span { display: block; font-size: .78rem; color: var(--muted); margin-top: 6px; line-height: 1.35; }
.ref b { display: block; color: var(--ink); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
dl { margin: 0; display: grid; grid-template-columns: 110px 1fr; gap: 8px 14px; }
dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; padding-top: 3px; }
dd { margin: 0; }
dd.copy { white-space: pre-line; background: var(--bg); border-radius: 8px; padding: 10px 12px; font-size: .94rem; }
dd.note { color: var(--gold-d); font-weight: 500; }
.status-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); }
.status-row button { font: inherit; font-size: .84rem; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 5px 10px; cursor: pointer; }
.status-row button:hover { background: var(--teal-l); }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
ul.tight { margin: 0; padding-left: 1.1em; }
ul.tight li { margin: .4em 0; }
.rules-card { border-left: 4px solid var(--red); }
code { background: #eef2f6; padding: 1px 5px; border-radius: 4px; font-size: .88em; }

.tl { display: grid; gap: 0; background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.tl-row { display: grid; grid-template-columns: 140px 1fr; gap: 14px; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.tl-row:last-child { border-bottom: 0; }
.tl-row.hl { background: #fff8e8; }
.tl + .cbar { margin-top: 8px; }

.qs { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; }
.q p { margin: .3em 0 0; color: var(--muted); }

.foot { background: var(--navy); color: #b9c7d6; font-size: .85rem; padding: 26px 0 90px; margin-top: 60px; }

/* comments */
.cbar { margin-top: 12px; }
.cbtn { font: inherit; font-size: .82rem; background: transparent; border: 1px solid var(--line); color: var(--muted); border-radius: 999px; padding: 4px 11px; cursor: pointer; }
.cbtn:hover { color: var(--teal); border-color: var(--teal); }
.cbar.has .cbtn { color: #fff; background: var(--teal); border-color: var(--teal); }
.thread { margin-top: 10px; background: #fbfcfe; border: 1px solid var(--line); border-radius: 12px; padding: 12px; color: var(--ink); }
.big-idea .thread { color: var(--ink); }
.cm { padding: 8px 0; border-bottom: 1px solid var(--line); }
.cm:last-child { border-bottom: 0; }
.cm .kids { margin-left: 16px; border-left: 2px solid var(--line); padding-left: 10px; }
.cm-h { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.cm time, .cm em { font-size: .75rem; color: var(--muted); }
.cm p { margin: 3px 0; font-size: .93rem; word-break: break-word; }
.cm.res > p { opacity: .55; }
.cm-a button { font: inherit; font-size: .76rem; background: none; border: 0; color: var(--teal); cursor: pointer; padding: 0 8px 0 0; }
.cm.st { font-size: .85rem; color: var(--muted); }
.cm.st time { margin-left: 8px; }
.s-approved { color: var(--c); font-weight: 700; } .s-changes { color: var(--d); font-weight: 700; } .s-skip { color: var(--muted); font-weight: 700; }
.empty { color: var(--muted); font-size: .88rem; margin: 0 0 6px; }
.cform { margin-top: 8px; }
.cform textarea { width: 100%; font: inherit; font-size: .93rem; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; resize: vertical; background: #fff; }
.cform .hp { position: absolute; left: -9999px; }
.cf-row { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; gap: 10px; }
.cf-row button { font: inherit; font-weight: 600; background: var(--navy); color: #fff; border: 0; border-radius: 8px; padding: 7px 16px; cursor: pointer; }
.cf-row button:disabled { opacity: .5; }
.err { color: var(--red); font-size: .85rem; }
.replying { font-size: .8rem; color: var(--muted); margin: 0 0 4px; }
.replying button { font: inherit; font-size: .8rem; background: none; border: 0; color: var(--teal); cursor: pointer; }

.namebar { position: fixed; top: 8px; right: 12px; z-index: 30; display: flex; align-items: center; gap: 6px; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px 6px 4px 12px; box-shadow: 0 4px 14px rgba(13,36,64,.12); }
.namebar label { font-size: .75rem; color: var(--muted); }
.namebar input { font: inherit; font-size: .85rem; border: 0; outline: 0; width: 130px; padding: 4px 6px; background: var(--bg); border-radius: 999px; }
.all-btn { position: fixed; right: 16px; bottom: 16px; z-index: 30; font: inherit; font-weight: 600; background: var(--navy); color: #fff; border: 0; border-radius: 999px; padding: 11px 16px; box-shadow: 0 8px 24px rgba(13,36,64,.3); cursor: pointer; }
.all-btn span { background: var(--gold); color: var(--navy); border-radius: 999px; padding: 1px 8px; margin-left: 4px; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(420px, 100%); background: #fff; z-index: 40; box-shadow: -10px 0 30px rgba(13,36,64,.2); transform: translateX(105%); transition: transform .25s ease; display: flex; flex-direction: column; }
.drawer.open { transform: none; }
.drawer-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.drawer-head b { flex: 1; }
.drawer-head label { font-size: .8rem; color: var(--muted); }
.drawer-head button { font: inherit; background: none; border: 0; font-size: 1.1rem; cursor: pointer; }
#drawer-list { overflow-y: auto; padding: 8px 16px 20px; }
.dr-item { display: block; text-decoration: none; color: var(--ink); padding: 10px 0; border-bottom: 1px solid var(--line); }
.dr-item.res { opacity: .55; }
.dr-t { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--teal); font-weight: 600; }
.dr-m { display: block; font-size: .9rem; margin: 2px 0; }
.dr-item time { font-size: .75rem; color: var(--muted); }

.flash { animation: flash 1.6s ease; }
@keyframes flash { 0%, 40% { box-shadow: 0 0 0 4px var(--gold); } 100% { box-shadow: 0 0 0 0 transparent; } }

@media (max-width: 860px) {
  .struct, .two { grid-template-columns: 1fr; }
  .brief-body { grid-template-columns: 1fr; }
  .ref { display: grid; grid-template-columns: 90px 1fr; gap: 10px; align-items: center; }
  .ref span { margin: 0; }
  dl { grid-template-columns: 1fr; gap: 2px; }
  dd { margin-bottom: 8px; }
  .flop-list > div:not(.cbar) { grid-template-columns: 1fr; gap: 2px; }
  .tl-row { grid-template-columns: 1fr; gap: 2px; }
  .namebar { top: auto; bottom: 16px; left: 16px; right: auto; }
  .namebar input { width: 100px; }
  .hero { padding-top: 40px; }
}
@media (max-width: 420px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .namebar label { display: none; }
}

@media (min-width: 861px) { .toc-inner { padding-right: 250px; } }

/* v2: simpler brief layout */
.formula { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.step { position: relative; padding-top: 18px; }
.step .n { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--navy); color: var(--gold); font-weight: 700; margin-bottom: 8px; }
.step h3 { font-size: 1.25rem; }
.step p { margin: 0; }
.why-line { margin: 14px 0 0; padding: 12px 16px; background: var(--teal-l); border-radius: 10px; font-size: .95rem; }
.personas { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; }
.persona { display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: var(--ink); border-left: 5px solid var(--a); transition: transform .15s, box-shadow .15s; }
.persona:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(13,36,64,.1); }
.persona b { font-size: 1.08rem; }
.persona .p-who { color: var(--ink); }
.persona .p-care { font-size: .9rem; color: var(--muted); }
.persona .p-care em { font-style: normal; font-weight: 600; color: var(--ink); }
.persona .p-n { margin-top: auto; font-weight: 700; color: var(--teal); font-size: .9rem; }
.persona.set-b { border-left-color: var(--b); } .persona.set-c { border-left-color: var(--c); } .persona.set-d { border-left-color: var(--d); } .persona.set-e { border-left-color: var(--e); } .persona.set-x { border-left-color: var(--x); }
#format-totals b { color: var(--navy); }
.glance { padding: 6px 20px; }
.g-row { display: grid; grid-template-columns: 220px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.g-row:nth-last-child(2), .g-row:last-child { border-bottom: 0; }
.g-row > b { font-size: .95rem; padding-left: 10px; border-left: 4px solid var(--a); align-self: start; }
.g-row.set-b > b { border-color: var(--b); } .g-row.set-c > b { border-color: var(--c); } .g-row.set-d > b { border-color: var(--d); } .g-row.set-e > b { border-color: var(--e); } .g-row.set-x > b { border-color: var(--x); }
.g-ads { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 4px 14px; }
.g-ads a { text-decoration: none; color: var(--ink); font-size: .92rem; padding: 3px 0; }
.g-ads a:hover { color: var(--teal); }
.g-id { display: inline-block; min-width: 28px; font-weight: 800; color: var(--navy); }
.set-head small { display: block; font-family: Inter, sans-serif; font-size: .9rem; color: var(--muted); margin-top: 4px; }
.win .rank { font-size: .85rem; }
@media (max-width: 860px) {
  .formula { grid-template-columns: 1fr; }
  .g-row { grid-template-columns: 1fr; gap: 6px; }
}