/* London Income Property — black / white / cyan, spreadsheet feel */
:root {
  --black: #0b0c0e;
  --ink: #16181c;
  --grey: #5f6670;
  --line: #e3e6ea;
  --cell: #f5f7f9;
  --cyan: #00a7c7;
  --cyan-d: #00809a;
  --cyan-bg: #e2f6fa;
  --red: #d64545;
  --head: "Space Grotesk", "Segoe UI", sans-serif;
  --body: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-family: var(--body); color: var(--ink); background: #fff; font-size: 1.1rem; line-height: 1.68; }
img { max-width: 100%; height: auto; }
a { color: var(--cyan-d); text-underline-offset: 2px; }
a:hover { color: var(--black); }
h1, h2, h3 { font-family: var(--head); line-height: 1.15; letter-spacing: -0.015em; }
h1 { font-size: clamp(2rem, 5.4vw, 3.2rem); font-weight: 700; margin: .3rem 0 1rem; }
h2 { font-size: clamp(1.4rem, 3.2vw, 1.85rem); font-weight: 700; margin: 2.4rem 0 .7rem; }
h3 { font-size: 1.15rem; font-weight: 700; margin: 1.5rem 0 .4rem; }
p, ul, ol { margin: 0 0 1rem; }
.box { width: min(1040px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 8px; top: 8px; background: #fff; padding: 8px; z-index: 9; }
.mono { font-family: var(--mono); font-size: .82rem; color: var(--cyan); letter-spacing: .02em; }

/* bar */
.bar { background: var(--black); color: #fff; }
.bar-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 20px; padding: 12px 0; }
.bar-logo img { height: 36px; width: auto; display: block; }
.bar-nav { overflow-x: auto; max-width: 100%; }
.bar-nav ul { list-style: none; display: flex; gap: 18px; margin: 0; padding: 0; white-space: nowrap; }
.bar-nav a { color: #c9cfd6; text-decoration: none; font-family: var(--head); font-size: .92rem; }
.bar-nav a:hover, .bar-nav a[aria-current] { color: var(--cyan); }

.crumbs { font-family: var(--mono); font-size: .78rem; color: var(--grey); margin-top: 20px; }
.crumbs a { color: var(--grey); }
.crumbs .sep { margin: 0 6px; }

/* layout */
.split { display: grid; gap: 36px; padding-bottom: 30px; }
.split > article { min-width: 0; }
@media (min-width: 940px) { .split { grid-template-columns: minmax(0, 1fr) 300px; } .sheet { position: sticky; top: 20px; align-self: start; } }
.sheet { border: 1px solid var(--line); font-size: .95rem; }
.sheet .sh-h { background: var(--black); color: #fff; font-family: var(--mono); font-size: .8rem; padding: 8px 12px; }
.sheet dl { margin: 0; display: grid; grid-template-columns: 1fr auto; }
.sheet dt, .sheet dd { padding: 9px 12px; border-top: 1px solid var(--line); margin: 0; }
.sheet dt { background: var(--cell); }
.sheet dd { font-family: var(--mono); font-size: .85rem; text-align: right; }
.sheet .sh-foot { padding: 10px 12px; border-top: 1px solid var(--line); font-size: .85rem; color: var(--grey); }

.intro { font-size: 1.22rem; color: #343a42; }
.stamp { font-family: var(--mono); font-size: .78rem; color: var(--grey); margin-bottom: 1.4rem; }

.hero { padding: 40px 0 10px; display: grid; gap: 28px; }
@media (min-width: 900px) { .hero { grid-template-columns: 1.4fr 1fr; align-items: end; } }
.kpis { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.kpis div { padding: 14px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.kpis div:nth-child(2n) { border-right: 0; }
.kpis div:nth-last-child(-n+2) { border-bottom: 0; }
.kpis b { display: block; font-family: var(--mono); font-size: 1.1rem; color: var(--cyan-d); }
.kpis span { font-size: .88rem; color: var(--grey); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin: 20px 0; }
.grid a { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 18px; text-decoration: none; color: var(--ink); display: block; }
.grid a:hover { background: var(--cyan-bg); }
.grid b { font-family: var(--head); display: block; margin-bottom: .2rem; }
.grid span { color: var(--grey); font-size: .95rem; }

.calc { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .95rem; }
.calc th, .calc td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.calc th { background: var(--cell); font-family: var(--head); }
.calc td.n { font-family: var(--mono); font-size: .88rem; text-align: right; white-space: nowrap; }
.calc tr.total td { font-weight: 600; background: var(--cyan-bg); }
.scroll { overflow-x: auto; }
.callout { border-left: 4px solid var(--cyan); background: var(--cyan-bg); padding: 14px 18px; margin: 20px 0; }
.callout.red { border-left-color: var(--red); background: #fdecec; }
.callout p:last-child { margin: 0; }
.todo { background: #fff3b0; font-family: var(--mono); font-size: .8em; padding: 1px 4px; }

details.faq { border: 1px solid var(--line); margin: -1px 0 0; }
details.faq summary { cursor: pointer; padding: 14px 16px; font-family: var(--head); font-weight: 700; }
details.faq summary::marker { color: var(--cyan); }
details.faq > div { padding: 0 16px 10px; }

.agent { background: var(--black); color: #d8dde3; padding: 26px; margin: 40px 0 10px; }
.agent h2 { color: #fff; margin: .3rem 0 .6rem; }
.btn { display: inline-block; background: var(--cyan); color: var(--black); font-family: var(--head); font-weight: 700; padding: 12px 18px; text-decoration: none; }
.btn:hover { background: #fff; color: var(--black); }

.foot { border-top: 1px solid var(--line); background: var(--cell); margin-top: 50px; padding: 30px 0; font-size: .93rem; color: var(--grey); }
.foot ul { list-style: none; padding: 0; }
.foot-row { display: grid; gap: 20px; }
@media (min-width: 760px) { .foot-row { grid-template-columns: 2fr 1fr; } }
.sponsor { border-top: 1px solid var(--line); padding-top: 14px; }
.copy { font-family: var(--mono); font-size: .75rem; }

.sponsor-line{display:block;font-size:.72rem;line-height:1.4;opacity:.85}