html { -webkit-text-size-adjust: 100%; }
body { margin: 0; }
img { max-width: 100%; }

/* Layout: single-page scroll. Asymmetric hero with one large sail mark, a five-step BRRRR row, a worked example with to-scale bars, a two-stage roadmap, and an inverted contact band. */
:root {
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --ink: #1E2730;
  --muted: #566371;
  --line: #DCE3EB;
  --blue: #0A5CFF;
  --blue-text: #0847C4;
  --tint: #EAF1FF;
  --on-blue: #FFFFFF;
  --band: #1B2430;
  --band-fg: #F3F6FA;
  --band-muted: #A9B6C5;
  --band-link: #8DB2FF;
  --logo-light: block;
  --logo-dark: none;
  --font-display: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B121A;
    --surface: #111A25;
    --ink: #E7ECF2;
    --muted: #93A1B1;
    --line: #223041;
    --blue: #4D88FF;
    --blue-text: #8DB2FF;
    --tint: #12233E;
    --on-blue: #06101D;
    --band: #16212E;
    --band-fg: #F3F6FA;
    --band-muted: #A9B6C5;
    --band-link: #8DB2FF;
    --logo-light: none;
    --logo-dark: block;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B121A;
  --surface: #111A25;
  --ink: #E7ECF2;
  --muted: #93A1B1;
  --line: #223041;
  --blue: #4D88FF;
  --blue-text: #8DB2FF;
  --tint: #12233E;
  --on-blue: #06101D;
  --band: #16212E;
  --band-fg: #F3F6FA;
  --band-muted: #A9B6C5;
  --band-link: #8DB2FF;
  --logo-light: none;
  --logo-dark: block;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  padding-block: 0 40px;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.wrap { max-width: 1120px; margin-inline: auto; }
a { color: inherit; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.03em; margin: 0; text-wrap: balance; }
p { margin: 0; }
.mono { font-family: var(--font-mono); }
.label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--blue-text);
}

/* Nav */
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 22px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { height: 38px; width: auto; flex: none; }
.brand .logo-light { display: var(--logo-light); }
.brand .logo-dark { display: var(--logo-dark); }
.brand span { font-size: 13px; color: var(--muted); font-weight: 500; }
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 15px; font-weight: 500; }
.nav-links a { text-decoration: none; color: var(--muted); }
.nav-links a:hover { color: var(--ink); }
.nav-links a.cta { color: var(--blue-text); font-weight: 600; }


/* Animated masthead: wordmark drawn as live SVG so it follows the light/dark theme. */
.brand .mast { height: 60px; width: auto; display: block; flex: none; overflow: visible; aspect-ratio: 3.5 / 1; }
.mast text { font-family: var(--font-display); font-weight: 800; font-size: 140px; letter-spacing: -0.02em; }
.mast .t { fill: var(--ink); }
.mast .k { fill: var(--on-blue); }
.mast .s, .mast .d { fill: var(--blue); }
@media (max-width: 720px) { .brand .mast { height: 46px; } }

/* Hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr); gap: 40px; align-items: center; padding-block: 56px 72px; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); line-height: 1.02; margin-top: 18px; }
.hero h1 em { font-style: normal; color: var(--blue-text); }
.hero .lede { margin-top: 24px; max-width: 54ch; color: var(--muted); font-size: 19px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn { display: inline-block; padding: 13px 22px; border-radius: 4px; font-weight: 600; font-size: 16px; text-decoration: none; border: 2px solid var(--blue); }
.btn.primary { background: var(--blue); color: var(--on-blue); }
.btn.ghost { color: var(--blue-text); }
.btn:hover { transform: translateY(-1px); }
.sail { width: 100%; max-width: 340px; height: auto; justify-self: end; color: var(--blue); }

/* Sections */
section { padding-block: 72px; border-top: 1px solid var(--line); }
.sec-head { display: grid; gap: 14px; max-width: 62ch; margin-bottom: 40px; }
.sec-head h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); line-height: 1.1; }
.sec-head p { color: var(--muted); }

/* BRRRR steps */
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px; }
.step { border-top: 3px solid var(--ink); padding-top: 16px; }
.step.loop { border-top-color: var(--blue); }
.step .n { font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.step h3 { font-size: 24px; margin: 6px 0 8px; }
.step p { font-size: 15.5px; color: var(--muted); line-height: 1.5; }

/* Worked example */
.example { margin-top: 56px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; }
.example > div { padding: 32px; min-width: 0; }
.example > div + div { border-left: 1px solid var(--line); }
.example h3 { font-size: 20px; margin-bottom: 4px; }
.example .sub { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 15.5px; }
th, td { text-align: left; padding: 10px 0; border-bottom: 1px solid var(--line); font-weight: 400; }
td { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
tr.total th, tr.total td { font-weight: 600; border-bottom: 2px solid var(--ink); }
tr.result th, tr.result td { color: var(--blue-text); font-weight: 600; border-bottom: 0; }
.bars { display: grid; gap: 22px; }
.bar-row .top { display: flex; justify-content: space-between; gap: 12px; font-size: 14.5px; margin-bottom: 6px; }
.bar-row .top span:last-child { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.track { height: 30px; background: var(--bg); border-radius: 2px; }
.fill { height: 100%; border-radius: 2px; }
.fill.arv { background: var(--line); }
.fill.cost { background: var(--ink); }
.fill.refi { background: var(--blue); }
.track.stack { display: flex; }
.track.stack .fill { border-radius: 0; }
.legend { margin-top: 8px; font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; }
.sw.cost { background: var(--ink); }
.sw.refi { background: var(--blue); }
.note { margin-top: 22px; font-size: 14px; color: var(--muted); }


/* About */
.about { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 56px; align-items: start; }
.portrait { margin: 0; width: 320px; }
.portrait img { display: block; width: 320px; height: 400px; max-width: 100%; object-fit: cover; object-position: 50% 0; border-radius: 4px; background: var(--tint); }
.portrait figcaption { margin-top: 12px; font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.about h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); line-height: 1.1; margin: 14px 0 20px; }
.about .story { color: var(--muted); max-width: 62ch; }
.about .story + .story { margin-top: 14px; }
.path { margin: 32px 0 0; display: grid; }
.path > div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 20px; padding: 14px 0; border-top: 1px solid var(--line); }
.path > div:last-child { border-bottom: 1px solid var(--line); }
.path dt { font-family: var(--font-mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--blue-text); padding-top: 3px; }
.path dd { margin: 0; }

/* Roadmap */
.stages { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.stage { padding-top: 20px; border-top: 3px solid var(--ink); }
.stage.next { border-top: 3px dashed var(--blue); }
.stage h3 { font-size: 28px; margin: 8px 0 14px; }
.stage ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.stage li { padding-left: 22px; position: relative; color: var(--muted); }
.stage li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 10px; height: 2px; background: var(--blue); }
.stage li b { color: var(--ink); font-weight: 600; }

/* Buy box */
.box { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.box > div { padding: 22px 20px 22px 0; border-bottom: 1px solid var(--line); }
.box dt { font-family: var(--font-mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.box dd { margin: 8px 0 0; font-weight: 600; font-size: 18px; line-height: 1.35; }
dl.box { margin-block: 0; }

/* Contact */
.band { background: var(--band); color: var(--band-fg); border-radius: 4px; padding: 56px 40px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 40px; align-items: end; }
.band h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.04; }
.band p { color: var(--band-muted); margin-top: 16px; max-width: 46ch; }
.band .who { display: grid; gap: 18px; }
.band .who div { border-top: 1px solid rgba(255,255,255,0.18); padding-top: 14px; }
.band .who b { display: block; font-weight: 600; }
.band .who span { color: var(--band-muted); font-size: 15px; }
.email { font-family: var(--font-mono); font-size: 18px; color: var(--band-link); user-select: all; overflow-wrap: anywhere; }
#contact { border-top: 0; padding-block: 24px 0; }

footer { padding-top: 40px; font-size: 13.5px; color: var(--muted); display: grid; gap: 8px; }
footer p { max-width: 80ch; }

@media (max-width: 900px) {
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .box { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .example { grid-template-columns: minmax(0, 1fr); }
  .example > div + div { border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 720px) {
  .about { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .portrait { width: 240px; }
  .portrait img { width: 240px; height: 300px; }
  .path > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  body { font-size: 16px; }
  .hero { grid-template-columns: minmax(0, 1fr); padding-block: 32px 48px; }
  .sail { justify-self: start; max-width: 200px; }
  section { padding-block: 52px; }
  .stages { grid-template-columns: minmax(0, 1fr); }
  .band { grid-template-columns: minmax(0, 1fr); padding: 36px 22px; }
  .example > div { padding: 24px 20px; }
  .nav-links a:not(.cta) { display: none; }
  .brand span { display: none; }
}
@media (max-width: 480px) {
  .steps, .box { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { .btn:hover { transform: none; } }