@font-face {
  font-family: "Newsreader";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/newsreader-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Newsreader";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/newsreader-italic-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url("/assets/fonts/instrument-sans-latin.woff2") format("woff2");
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url("/assets/fonts/jetbrains-mono-latin.woff2") format("woff2");
}

:root {
  color-scheme: light;
  --page: #f7f5f0;
  --ink: #1a1a17;
  --body: #3a3833;
  --muted: #6b6860;
  --faint: #8a877e;
  --line: rgba(26, 26, 23, 0.15);
  --field: rgba(255, 255, 255, 0.13);
  --accent: #a8401c;
  --accent-soft: #bd6748;
  --serif: "Newsreader", Georgia, serif;
  --sans: "Instrument Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --content: 960px;
  --gutter: clamp(24px, 5vw, 64px);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0e0c;
  --ink: #f2efe8;
  --body: #d0ccc2;
  --muted: #aaa59a;
  --faint: #807d76;
  --line: rgba(242, 239, 232, 0.15);
  --field: rgba(255, 255, 255, 0.035);
  --accent: #d19a5f;
  --accent-soft: #d9aa77;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--page);
  font: 12px var(--mono);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.shell { width: min(calc(100% - (2 * var(--gutter))), var(--content)); margin-inline: auto; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  background: color-mix(in srgb, var(--page) 94%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { font: 500 14px/1 var(--mono); letter-spacing: -0.01em; }
.header-actions { display: flex; align-items: center; gap: 22px; }
.nav { display: flex; align-items: center; gap: 26px; font: 400 11px/1 var(--mono); letter-spacing: 0.11em; text-transform: uppercase; }
.nav a { color: var(--muted); }
.nav .nav-contact { color: var(--ink); }
.theme-toggle { display: inline-flex; height: 30px; align-items: center; gap: 8px; border: 0; border-left: 1px solid var(--line); padding: 0 0 0 20px; background: transparent; color: var(--muted); cursor: pointer; font: 400 9px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.theme-toggle:hover { color: var(--accent); }
.theme-toggle-icon { width: 13px; height: 13px; border: 1px solid currentColor; border-radius: 50%; background: linear-gradient(90deg, transparent 50%, currentColor 50%); transform: rotate(-25deg); }
:root[data-theme="dark"] .theme-toggle-icon { transform: rotate(25deg); }

.hero { min-height: calc(100svh - 74px); display: flex; flex-direction: column; }
.hero-inner { flex: 1; padding-block: clamp(64px, 9vh, 92px) 72px; }
.memory-dump { color: var(--faint); font: 400 12.5px/1.7 var(--mono); white-space: nowrap; }
.memory-dump strong { color: var(--accent); font-weight: 400; }
.memory-dump b { color: var(--ink); font-weight: 400; }

h1, h2, h3, p { margin-top: 0; }
h1 { margin: 38px 0 0; font-size: clamp(52px, 6.2vw, 66px); font-weight: 400; line-height: 1.02; letter-spacing: -0.025em; }
h1 em, h2 em { font-weight: inherit; }
.hero-copy { max-width: 640px; margin: 28px 0 0; color: var(--body); font-size: 19px; line-height: 1.62; }
.hero-actions { margin-top: 36px; display: flex; align-items: center; flex-wrap: wrap; gap: 28px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; border: 0; border-radius: 0; padding: 0 24px; background: var(--ink); color: var(--page); cursor: pointer; font: 500 12px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.button:hover { background: var(--accent); color: var(--page); }
.text-link { border-bottom: 1px solid color-mix(in srgb, var(--ink) 35%, transparent); font-size: 18px; line-height: 1.4; }

.proof-band { border-top: 1px solid var(--line); padding-block: 20px 26px; }
.eyebrow { margin-bottom: 12px; color: var(--muted); font: 400 10.5px/1.5 var(--mono); letter-spacing: 0.15em; text-transform: uppercase; }
.logo-cloud { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 30px; }
.company-logo { display: inline-flex; align-items: center; gap: 6px; font-family: var(--sans); line-height: 1; white-space: nowrap; }
.company-logo svg { width: 21px; height: 21px; flex: 0 0 auto; }
.company-logo b { font-size: 17px; letter-spacing: -0.035em; }
.company-logo small { margin-left: -3px; color: var(--muted); font: 400 8px var(--mono); }
.yahoo { color: #8351c3; font: 700 19px var(--sans); letter-spacing: -0.04em; }
.yahoo > span { display: inline-block; transform: rotate(10deg); }
.redbull b { color: #c93742; }
.redbull svg { width: 29px; }
.ubiquiti { color: #3b78b8; }
.zuora { color: #ad5b28; }
.datacamp { color: #2c7c4c; }
.basecamp { color: #354147; }
.wealthsimple { color: var(--ink); }
.eternal b { color: #c74b47; }
.front { color: #b15b53; }
.cosmos { color: #5b5f82; }

:root[data-theme="dark"] .yahoo { color: #a77ce4; }
:root[data-theme="dark"] .redbull b { color: #e05a65; }
:root[data-theme="dark"] .ubiquiti { color: #63a0de; }
:root[data-theme="dark"] .zuora { color: #d58855; }
:root[data-theme="dark"] .datacamp { color: #59a976; }
:root[data-theme="dark"] .basecamp { color: #a2adb1; }
:root[data-theme="dark"] .eternal b { color: #e16d68; }
:root[data-theme="dark"] .front { color: #d17b73; }
:root[data-theme="dark"] .cosmos { color: #8c91bd; }

.section { scroll-margin-top: 73px; border-top: 1px solid var(--line); }
.section-shell { padding-block: clamp(84px, 10vw, 118px); }
.section h2 { max-width: 900px; margin: 0; font-size: clamp(42px, 5.2vw, 58px); font-weight: 400; line-height: 1.08; letter-spacing: -0.024em; }
.section-intro { max-width: 670px; margin: 24px 0 0; color: var(--body); font-size: 18px; line-height: 1.65; }

.service-list { margin: 50px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.service-list li { min-height: 68px; display: grid; grid-template-columns: 42px minmax(180px, 1fr) 2fr 20px; align-items: center; gap: 0; border-bottom: 1px solid var(--line); }
.service-number { color: var(--muted); font: 400 10px var(--mono); }
.service-list h3 { margin: 0; font-size: 21px; font-weight: 400; line-height: 1.2; }
.service-list p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.4; }
.service-list .arrow { color: var(--accent); font-family: var(--mono); text-align: right; }
.mono-note { margin: 26px 0 0; color: var(--muted); font: 400 10.5px/1.6 var(--mono); }

.people { margin-top: 54px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 64px; }
.person h3 { margin: 0; font-size: 28px; font-weight: 400; }
.handle { margin: 8px 0 0; color: var(--muted); font: 400 10px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }
.profile-links { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 22px; color: var(--accent); font: 400 9.5px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.profile-links span { color: var(--faint); }
.about-proof { margin-top: 62px; padding-top: 26px; border-top: 1px solid var(--line); }
.compact { max-width: 710px; gap: 16px 25px; }
.compact .company-logo b, .compact .company-logo { font-size: 15px; }
.compact .company-logo svg { width: 20px; height: 20px; }
.disclosure-note { max-width: 660px; margin: 22px 0 0; color: var(--muted); font: 400 10px/1.65 var(--mono); }

.writings-topline { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.writing-filters { display: flex; gap: 25px; color: var(--muted); font: 400 10px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }
.writing-filters .active { padding-bottom: 4px; border-bottom: 1px solid var(--ink); color: var(--ink); }
.featured-writing { margin-top: 44px; padding: 26px 0 34px; border-block: 1px solid var(--line); }
.writing-meta { display: flex; gap: 19px; margin-bottom: 18px; color: var(--muted); font: 400 9.5px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }
.writing-meta strong { color: var(--accent); font-weight: 400; }
.featured-writing h3 { max-width: 830px; margin: 0; font-size: clamp(28px, 3.5vw, 36px); font-weight: 400; line-height: 1.12; letter-spacing: -0.015em; }
.featured-writing > p:last-child { max-width: 820px; margin: 15px 0 0; color: var(--body); font-size: 17px; line-height: 1.5; }
.writing-list article { min-height: 58px; display: grid; grid-template-columns: 105px 1fr auto; align-items: center; gap: 12px; border-bottom: 1px solid var(--line); }
.writing-list time, .writing-list span { color: var(--muted); font: 400 9px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.writing-list h3 { margin: 0; font-size: 19px; font-weight: 400; line-height: 1.25; }
.all-writings { display: inline-block; margin-top: 26px; color: var(--accent); font: 400 10px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }

.contact-grid { display: grid; grid-template-columns: minmax(280px, 0.85fr) minmax(460px, 1.25fr); gap: clamp(50px, 8vw, 90px); }
.contact-copy h2 { font-size: clamp(43px, 4.6vw, 55px); }
.contact-details { margin-top: 38px; padding-top: 18px; border-top: 1px solid var(--line); }
.contact-details a { display: inline-block; margin-bottom: 14px; border-bottom: 1px solid var(--line); font-size: 20px; }
.contact-details p { margin: 8px 0 0; color: var(--muted); font: 400 10px/1.5 var(--mono); }
.contact-form { padding-top: 3px; }
.field-pair { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.contact-form label { display: block; margin-bottom: 18px; color: var(--muted); font: 400 9.5px/1.4 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; margin-top: 8px; border: 1px solid color-mix(in srgb, var(--ink) 23%, transparent); border-radius: 0; padding: 11px 13px; background: var(--field); color: var(--ink); font: 400 16px/1.25 var(--serif); }
.contact-form input, .contact-form select { height: 44px; }
.contact-form textarea { min-height: 116px; resize: vertical; }
.contact-form ::placeholder { color: var(--faint); opacity: 1; }
.form-footer { display: flex; align-items: center; gap: 20px; }
.form-footer p { margin: 0; color: var(--muted); font: 400 9px/1.5 var(--mono); }

.site-footer { border-top: 1px solid var(--line); }
.site-footer .shell { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font: 400 10px var(--mono); letter-spacing: 0.08em; }

@media (max-width: 820px) {
  .memory-dump { font-size: clamp(7px, 1.7vw, 11px); letter-spacing: -0.035em; }
  .service-list li { grid-template-columns: 36px 1fr 20px; padding-block: 18px; }
  .service-list p { grid-column: 2 / -1; margin-top: 7px; padding-right: 24px; }
  .service-list .arrow { grid-column: 3; grid-row: 1; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-copy { max-width: 650px; }
}

@media (max-width: 620px) {
  :root { --gutter: 20px; }
  body { font-size: 17px; }
  .header-inner { min-height: 66px; align-items: center; gap: 14px; }
  .brand { font-size: 12px; }
  .header-actions { gap: 10px; }
  .nav { gap: 9px; font-size: 7.8px; letter-spacing: 0.045em; }
  .theme-toggle { width: 27px; padding-left: 9px; }
  .theme-toggle-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .hero { min-height: calc(100svh - 66px); }
  .hero-inner { padding-block: 52px 56px; }
  .memory-dump { font-size: clamp(7px, 2vw, 10px); }
  h1 { margin-top: 30px; font-size: clamp(45px, 14vw, 58px); }
  .hero-copy { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .proof-band { padding-block: 18px 24px; }
  .logo-cloud { gap: 17px 22px; }
  .company-logo b, .company-logo { font-size: 15px; }
  .section { scroll-margin-top: 65px; }
  .section-shell { padding-block: 76px; }
  .section h2 { font-size: 42px; }
  .service-list { margin-top: 38px; }
  .service-list h3 { font-size: 19px; }
  .people { grid-template-columns: 1fr; gap: 38px; }
  .about-proof { margin-top: 46px; }
  .writings-topline { align-items: flex-start; flex-direction: column; gap: 6px; }
  .writing-filters { gap: 18px; }
  .featured-writing { margin-top: 34px; }
  .writing-meta { flex-wrap: wrap; gap: 9px 14px; }
  .writing-list article { grid-template-columns: 78px 1fr; padding-block: 14px; }
  .writing-list article span { grid-column: 2; }
  .field-pair { grid-template-columns: 1fr; gap: 0; }
  .form-footer { align-items: flex-start; flex-direction: column; }
  .site-footer .shell { align-items: flex-start; flex-direction: column; justify-content: center; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

@media print {
  .site-header, .contact-form, .site-footer { display: none; }
  .hero { min-height: auto; }
  .section-shell, .hero-inner { padding-block: 42px; }
}