@font-face {
  font-family: "Barlow Condensed";
  src: url("assets/fonts/barlow-condensed-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow Condensed";
  src: url("assets/fonts/barlow-condensed-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow Condensed";
  src: url("assets/fonts/barlow-condensed-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/ibm-plex-sans-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("assets/fonts/ibm-plex-sans-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #121212;
  --bg-raised: #1a1a1a;
  --ink: #edeae4;
  --muted: #8a8680;
  --accent: #d48c2c;
  --accent-hover: #e09a3c;
  --line: rgba(138, 134, 128, 0.38);
  --header-h: 2.8rem;
  --track-w: 3.25rem;
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --max: 68rem;
  --display: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 0.75rem);
  overflow-x: hidden;
  overflow-x: clip;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
}

body {
  font-family: var(--body);
  font-size: 1.05rem;
  line-height: 1.7;
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-hover);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  background: var(--accent);
  color: var(--bg);
  padding: 0.5rem 0.85rem;
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 1rem;
  color: var(--bg);
  outline-color: var(--ink);
}

/* Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  background: rgba(18, 18, 18, 0.92);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(10px);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0 var(--pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--ink);
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
}

.brand:hover {
  color: var(--ink);
}

.brand-logo {
  display: block;
  width: auto;
  height: auto;
  max-height: 2.2rem;
  max-width: 100%;
  mix-blend-mode: lighten;
}

.nav-toggle {
  display: none;
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  position: relative;
  z-index: 3;
  flex-shrink: 0;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1.05rem;
  height: 1px;
  background: var(--ink);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-toggle-bars {
  top: 50%;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
}

.nav-toggle-bars::before {
  top: -6px;
}

.nav-toggle-bars::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  top: 0;
  transform: translateX(-50%) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  top: 0;
  transform: translateX(-50%) rotate(-45deg);
}

.site-nav {
  flex: 0 0 auto;
  margin-left: auto;
  position: relative;
  z-index: 2;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.nav-contact {
  color: var(--accent) !important;
  border: 1px solid var(--accent);
  padding: 0.42rem 0.75rem;
}

.nav-contact:hover,
.nav-contact:focus-visible {
  background: var(--accent);
  color: var(--bg) !important;
}

/* Depth track
   ========================================================================== */

.depth-track {
  display: none;
}

/* Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: calc((100vh - var(--header-h)) * 0.5);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2.25rem var(--pad) 2.75rem;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-topo {
  position: absolute;
  inset: 0;
  background: url("assets/topo.svg") center / cover no-repeat;
  opacity: 0.18;
  pointer-events: none;
}

.hero-watermark {
  position: absolute;
  right: -0.1em;
  bottom: -0.22em;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(8rem, 28vw, 22rem);
  line-height: 0.75;
  letter-spacing: -0.04em;
  color: rgba(237, 234, 228, 0.035);
  pointer-events: none;
  user-select: none;
}

.hero-frame {
  position: relative;
  max-width: min(78rem, 100%);
  padding: 0.25rem 0 0.5rem;
}

.hero-frame::before,
.hero-frame::after {
  content: "";
  position: absolute;
  width: 1.15rem;
  height: 1.15rem;
  border: 1px solid var(--muted);
  opacity: 0.7;
}

.hero-frame::before {
  top: -1.15rem;
  left: 0;
  border-right: 0;
  border-bottom: 0;
}

.hero-frame::after {
  right: 0;
  bottom: -1.4rem;
  border-left: 0;
  border-top: 0;
}

.hero-logo {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: lighten;
}

.kicker {
  margin: 0 0 1.1rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.tagline {
  margin: 1.15rem 0 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.capability-line,
.hero-meta {
  max-width: 38rem;
}

.capability-line {
  margin: 1.35rem 0 0;
  color: var(--ink);
  font-size: 0.98rem;
}

.hero-meta {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.btn {
  display: inline-block;
  margin-top: 1.85rem;
  padding: 0.72rem 1.15rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--bg);
  background: var(--accent);
  border: 1px solid var(--accent);
}

.btn:hover,
.btn:focus-visible {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--bg);
}

.hero-scale {
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  bottom: 1.15rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 0.35rem;
}

.hero-scale span {
  position: relative;
  padding-top: 0.35rem;
}

.hero-scale span::before {
  content: "";
  position: absolute;
  top: -0.35rem;
  left: 50%;
  width: 1px;
  height: 0.35rem;
  background: var(--muted);
}

/* Sections
   ========================================================================== */

.section {
  padding: clamp(3.75rem, 8vw, 6.5rem) var(--pad);
  border-bottom: 1px solid var(--line);
}

.section-alt {
  background: var(--bg-raised);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 1.75rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.section-index {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.section-head h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.4vw, 2.35rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.05;
}

.section-body {
  max-width: 42rem;
}

.prose p {
  margin: 0 0 1.05rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

.lead {
  font-size: 1.18rem;
  line-height: 1.55;
  color: var(--ink);
}

.prose blockquote {
  margin: 1.6rem 0 0;
  padding: 0 0 0 1.15rem;
  border-left: 2px solid var(--accent);
}

.prose blockquote p {
  margin: 0;
  color: var(--ink);
  font-size: 1.02rem;
}

.spec-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}

.spec-row li {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.45rem 0.7rem;
}

/* Founder
   ========================================================================== */

.founder-grid {
  display: grid;
  gap: 2.25rem;
}

.founder-nameplate {
  padding: 1.35rem 0 0;
  border-top: 1px solid var(--line);
}

.founder-label,
.founder-since,
.founder-role {
  margin: 0;
  font-family: var(--display);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.founder-label {
  font-weight: 600;
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

.founder-name {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 0.95;
}

.founder-role {
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--muted);
}

.founder-since {
  margin-top: 0.85rem;
  font-weight: 600;
  font-size: 0.72rem;
  color: var(--ink);
}

/* Contact
   ========================================================================== */

.section-contact {
  background:
    linear-gradient(180deg, rgba(212, 140, 44, 0.06), transparent 42%),
    var(--bg);
}

.contact-kicker {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}

.contact-email {
  display: inline-block;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.35rem, 4vw, 2.35rem);
  letter-spacing: 0.03em;
  text-decoration: none;
  line-height: 1.15;
  word-break: break-word;
}

.contact-place {
  margin: 1.35rem 0 0;
  color: var(--muted);
}

/* Footer
   ========================================================================== */

.site-footer {
  padding: 1.35rem var(--pad) 1.6rem;
  background: #0d0d0d;
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.5rem;
  justify-content: space-between;
  align-items: baseline;
}

.footer-brand,
.footer-meta,
.footer-copy {
  margin: 0;
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-brand {
  color: var(--ink);
  font-weight: 600;
}

.footer-access a {
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}

.footer-access a:hover,
.footer-access a:focus-visible {
  color: var(--ink);
}

/* Breakpoints
   ========================================================================== */

@media (min-width: 1025px) {
  .hero {
    min-height: calc((100vh - var(--header-h)) * 0.75);
    padding: 3.375rem var(--pad) 4.125rem;
  }
}

@media (min-width: 900px) {
  body {
    padding-left: var(--track-w);
  }

  .site-header {
    margin-left: calc(var(--track-w) * -1);
    width: calc(100% + var(--track-w));
  }

  .depth-track {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: fixed;
    top: var(--header-h);
    left: 0;
    bottom: 0;
    width: var(--track-w);
    padding: 1.25rem 0.45rem 1.25rem 0;
    border-right: 1px solid var(--line);
    font-family: var(--display);
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    color: var(--muted);
    text-align: right;
    pointer-events: none;
    z-index: 5;
  }

  .depth-track span {
    position: relative;
    padding-right: 0.55rem;
  }

  .depth-track span::after {
    content: "";
    position: absolute;
    right: 0;
    top: 0.45em;
    width: 0.4rem;
    height: 1px;
    background: var(--muted);
  }

  .header-inner,
  .hero,
  .section,
  .site-footer {
    padding-left: calc(var(--pad) + 0.25rem);
  }

  .hero-scale {
    left: calc(var(--pad) + 0.25rem);
  }

  .founder-grid {
    grid-template-columns: minmax(15rem, 0.42fr) 1fr;
    gap: 3rem;
    align-items: start;
  }

  .founder-nameplate {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    border-top: 0;
    padding-top: 0;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    margin-left: 0;
    background: #161616;
    border-bottom: 1px solid var(--line);
    padding: 0.75rem var(--pad) 1.15rem;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .nav-contact {
    margin-top: 0.35rem;
  }

  body.nav-open {
    overflow: hidden;
  }

  .hero-scale span:nth-child(even) {
    display: none;
  }

  .section-head {
    grid-template-columns: 2.4rem 1fr;
  }
}

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

  .site-header {
    backdrop-filter: none;
  }
}