:root {
  --paper: #f7f6f2;
  --ink: #1d2126;
  --steel: #33424f;
  --steel-deep: #222d36;
  --line: #d9d5cc;
  --orange: #d95f18;
  --muted: #5b6570;
  --card: #ffffff;
  --sans: "Barlow", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --cond: "Barlow Condensed", "Arial Narrow", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.55; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
a { color: var(--steel); }

header { border-bottom: 3px solid var(--ink); background: var(--paper); position: sticky; top: 0; z-index: 40; }
.bar { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 12px; }
.mark { font-family: var(--cond); font-weight: 700; font-size: 22px; letter-spacing: .08em; text-transform: uppercase; text-decoration: none; color: var(--ink); }
.mark b { color: var(--orange); }
.bar nav { display: flex; gap: 18px; align-items: center; }
.bar nav a { font-weight: 600; font-size: 15px; text-decoration: none; }
.btn { display: inline-block; background: var(--ink); color: #fff; font-weight: 700; border: 0; border-radius: 4px; padding: 12px 20px; font-size: 16px; cursor: pointer; font-family: var(--sans); }
.btn:hover { background: var(--steel); }
.btn.orange { background: var(--orange); }
.btn.orange:hover { background: #b84e11; }

.hero { padding: 72px 0 56px; }
.hero h1 { font-family: var(--cond); font-weight: 700; font-size: clamp(38px, 6vw, 64px); line-height: 1.04; text-transform: uppercase; letter-spacing: .01em; max-width: 780px; }
.hero p.sub { font-size: 19px; color: var(--muted); max-width: 640px; margin: 18px 0 26px; }
.ask { max-width: 640px; background: var(--card); border: 2px solid var(--ink); border-radius: 6px; padding: 14px; }
.ask textarea { width: 100%; border: 0; outline: none; resize: vertical; min-height: 74px; font-family: var(--sans); font-size: 16px; color: var(--ink); background: transparent; }
.ask .row { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.trust { font-size: 14px; color: var(--muted); }

section.band { padding: 56px 0; border-top: 1px solid var(--line); }
h2.section { font-family: var(--cond); font-weight: 700; font-size: 32px; text-transform: uppercase; margin-bottom: 22px; }
.grid { display: grid; gap: 18px; }
.grid.four { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--orange); border-radius: 4px; padding: 18px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { font-size: 15px; color: var(--muted); }
.step .num { font-family: var(--cond); font-size: 40px; font-weight: 700; color: var(--orange); line-height: 1; }

.shift { background: var(--steel-deep); color: #eef1f4; }
.shift h2 { color: #fff; }
.shift p { max-width: 720px; font-size: 18px; color: #c6cdd4; }
.shift .tag { font-family: var(--cond); text-transform: uppercase; letter-spacing: .1em; color: var(--orange); font-weight: 700; margin-bottom: 8px; }

.apps { display: flex; flex-wrap: wrap; gap: 10px; }
.apps button, .apps a { background: var(--card); border: 1px solid var(--ink); border-radius: 999px; padding: 10px 16px; font-family: var(--sans); font-size: 15px; font-weight: 600; cursor: pointer; color: var(--ink); text-decoration: none; display: inline-block; }
.apps button:hover, .apps a:hover { background: var(--ink); color: #fff; }

footer { background: var(--ink); color: #cfd5db; padding: 48px 0 60px; margin-top: 40px; }
footer h4 { color: #fff; font-size: 15px; text-transform: uppercase; letter-spacing: .06em; margin: 22px 0 6px; }
footer p { font-size: 15px; max-width: 820px; }
footer a { color: #cfd5db; }
footer .legal { margin-top: 26px; font-size: 13px; color: #9aa4ad; }

/* Chat panel */
#chat { position: fixed; right: 18px; bottom: 18px; width: min(420px, calc(100vw - 24px)); max-height: min(640px, calc(100vh - 40px)); background: var(--card); border: 2px solid var(--ink); border-radius: 8px; display: none; flex-direction: column; z-index: 60; box-shadow: 0 12px 40px rgba(20,25,30,.25); }
#chat.open { display: flex; }
#chat .head { background: var(--ink); color: #fff; padding: 12px 14px; display: flex; justify-content: space-between; align-items: center; border-radius: 5px 5px 0 0; }
#chat .head .t { font-family: var(--cond); text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
#chat .head button { background: none; border: 0; color: #fff; font-size: 20px; cursor: pointer; }
#log { overflow-y: auto; padding: 14px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 88%; padding: 10px 12px; border-radius: 6px; font-size: 15px; white-space: pre-wrap; }
.msg.bot { background: #eef0ea; border: 1px solid var(--line); align-self: flex-start; }
.msg.you { background: var(--steel); color: #fff; align-self: flex-end; }
.msg.typing { color: var(--muted); font-style: italic; background: none; border: 0; padding: 2px 4px; }
#chat form { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
#chat input { flex: 1; border: 1px solid var(--line); border-radius: 4px; padding: 10px; font-family: var(--sans); font-size: 15px; }
#chat .note { font-size: 11.5px; color: var(--muted); padding: 0 14px 10px; }
#openchat { position: fixed; right: 18px; bottom: 18px; z-index: 50; box-shadow: 0 8px 24px rgba(20,25,30,.3); }

/* ---- Content pages: guides and casebook ---- */
.crumb { font-size: 14px; color: var(--muted); padding: 18px 0 0; }
.crumb a { color: var(--muted); }

article.doc { padding: 26px 0 10px; }
article.doc h1 { font-family: var(--cond); font-weight: 700; font-size: clamp(32px, 5vw, 50px); line-height: 1.06; text-transform: uppercase; max-width: 860px; }
article.doc .lede { font-size: 19px; color: var(--muted); max-width: 720px; margin: 16px 0 8px; }
article.doc h2 { font-family: var(--cond); font-weight: 700; font-size: 27px; text-transform: uppercase; margin: 40px 0 14px; padding-top: 20px; border-top: 1px solid var(--line); }
article.doc h3 { font-size: 18px; margin: 22px 0 8px; }
article.doc p { max-width: 760px; margin-bottom: 14px; font-size: 17px; }
article.doc ul { max-width: 760px; margin: 0 0 16px 20px; }
article.doc li { margin-bottom: 9px; font-size: 17px; }

.pull { border-left: 4px solid var(--orange); background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--orange); padding: 16px 18px; margin: 18px 0; max-width: 760px; }
.pull p:last-child { margin-bottom: 0; }
.warn { border-left-color: var(--steel); }
.warn h3 { margin-top: 0; }

.rangebox { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); margin: 18px 0; max-width: 860px; }
.rangebox div { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 14px 16px; }
.rangebox .k { font-family: var(--cond); text-transform: uppercase; letter-spacing: .07em; font-size: 14px; color: var(--muted); }
.rangebox .v { font-family: var(--cond); font-size: 26px; font-weight: 700; margin-top: 2px; }
.rangebox .n { font-size: 13.5px; color: var(--muted); margin-top: 4px; }

.cta { background: var(--steel-deep); color: #eef1f4; border-radius: 6px; padding: 26px; margin: 34px 0 10px; max-width: 860px; }
.cta h3 { color: #fff; font-family: var(--cond); text-transform: uppercase; font-size: 24px; margin-bottom: 8px; }
.cta p { color: #c6cdd4; margin-bottom: 16px; max-width: 640px; }
.cta .btn { margin-right: 10px; }
.cta a.sec { color: #c6cdd4; font-weight: 600; font-size: 15px; }

.grade { display: inline-block; font-family: var(--cond); text-transform: uppercase; letter-spacing: .07em; font-size: 12.5px; font-weight: 700; padding: 3px 9px; border-radius: 3px; vertical-align: middle; }
.grade.vendor { background: #f0e2d6; color: #8a4718; border: 1px solid #e0c6b0; }
.grade.press { background: #dde6ea; color: #2b4655; border: 1px solid #c2d2da; }

.caselist { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.caseitem { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--orange); border-radius: 4px; padding: 18px; }
.caseitem h3 { font-size: 18px; margin-bottom: 6px; }
.caseitem h3 a { text-decoration: none; color: var(--ink); }
.caseitem h3 a:hover { color: var(--orange); }
.caseitem .meta { font-size: 13.5px; color: var(--muted); margin-bottom: 10px; }
.caseitem p { font-size: 15px; color: var(--muted); margin-bottom: 10px; }

.sources { font-size: 15px; word-break: break-word; }
.sources a { display: block; margin-bottom: 6px; }

.pagenav { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0 0; }