:root {
  --bg: #050505;
  --bg-alt: #0a0a0b;
  --fg: #f4f4f1;
  --muted: #98988f;
  --faint: #5c5c55;
  --line: rgba(244, 244, 241, 0.12);
  --line-soft: rgba(244, 244, 241, 0.06);
  --accent: #FFD700;
  --font-display: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --wrap: 1180px;
  --pad: clamp(20px, 4vw, 48px);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #050505; }

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, black 30%, transparent 78%);
}

main, footer, .site-nav { position: relative; z-index: 1; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

a { color: inherit; }

.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.9s cubic-bezier(0.2, 0.6, 0.2, 1),
    transform 0.9s cubic-bezier(0.2, 0.6, 0.2, 1);
  transition-delay: calc(var(--d, 0) * 1ms);
}
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 60;
  background: transparent;
}
#scrollBar {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent);
}

.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px var(--pad);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
}
.site-nav.scrolled {
  padding-top: 12px;
  padding-bottom: 12px;
  background: rgba(5, 5, 5, 0.78);
  border-bottom-color: var(--line-soft);
}
.site-nav.scrolled::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex: none;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-menu a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  transition: color 0.2s ease;
}
.nav-menu a:hover { color: var(--fg); }
.nav-menu a.nav-cta {
  color: var(--fg);
  border: 1px solid var(--line);
  padding: 9px 14px;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.nav-menu a.nav-cta:hover { border-color: var(--accent); color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px; height: 40px;
  padding: 8px;
  background: none;
  border: 1px solid var(--line);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--fg);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
body.menu-open .nav-toggle span:first-child { transform: translateY(3.8px) rotate(45deg); }
body.menu-open .nav-toggle span:last-child { transform: translateY(-3.8px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    background: rgba(5, 5, 5, 0.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    visibility: hidden;
    transform: translateY(-102%);
    transition: transform 0.35s cubic-bezier(0.2, 0.6, 0.2, 1), visibility 0s linear 0.35s;
    z-index: -1;
  }
  body.menu-open .nav-menu {
    visibility: visible;
    transform: none;
    transition: transform 0.35s cubic-bezier(0.2, 0.6, 0.2, 1);
  }
  .nav-menu a { font-size: 0.9rem; }
  .nav-menu a.nav-cta { margin-top: 10px; }
}
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.hero-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 70% at 42% 48%, transparent 0%, rgba(5,5,5,0.55) 78%, var(--bg) 100%),
    linear-gradient(to bottom, rgba(5,5,5,0.4), transparent 22%, transparent 78%, var(--bg) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 140px var(--pad) 120px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 26px;
}
.eyebrow::before {
  content: "";
  width: 9px; height: 9px;
  background: var(--accent);
  flex: none;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.5rem, 6.4vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 40px;
  max-width: 15ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-scroll {
  position: absolute;
  z-index: 2;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--faint);
}
.hero-scroll i {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--faint), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.4); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 22px;
  border: 1px solid var(--line);
  color: var(--fg);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.btn .arrow { transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

.btn-primary {
  background: var(--fg);
  border-color: var(--fg);
  color: #050505;
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-lg { padding: 18px 30px; font-size: 0.8rem; }

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

.section {
  padding: clamp(90px, 12vw, 170px) 0;
  border-top: 1px solid var(--line-soft);
}
.section-alt { background: var(--bg-alt); }

.section-index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 22px;
}

.section h1,
.section h2 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 26px;
  max-width: 24ch;
}
.section h1 {
  font-size: clamp(2.4rem, 5.6vw, 4rem);
}
.section h2 {
  font-size: clamp(2rem, 4.6vw, 3.4rem);
}

.lede {
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  margin: 0 0 64px;
}

.subhead {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  letter-spacing: -0.01em;
  margin: 96px 0 32px;
}

.grid { display: grid; gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 980px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg);
  padding: 34px 30px 38px;
  position: relative;
}
.section-alt .card { background: var(--bg-alt); }

.card-num {
  color: var(--accent);
  margin: 0 0 18px;
}
.card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.22rem;
  letter-spacing: -0.005em;
  margin: 0 0 12px;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.card p em, .card p strong { color: var(--fg); font-style: normal; font-weight: 500; }
.diagram {
  margin: 0 0 72px;
  border: 1px solid var(--line-soft);
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px) 0 0 / 100% 50px,
    var(--bg);
  padding: clamp(24px, 4vw, 56px) clamp(16px, 3vw, 40px);
}
.diagram svg { width: 100%; height: auto; display: block; }
.svg-label {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.compare {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 0.86rem;
}
.compare th, .compare td {
  text-align: left;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}
.compare thead th {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.compare thead th.us, .compare td.us { color: var(--accent); }
.compare td.us { border-left: 1px solid rgba(230, 180, 92, 0.25); }
.compare thead th.us { border-left: 1px solid rgba(230, 180, 92, 0.25); }
.compare td { color: var(--muted); }
.compare td:first-child {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  white-space: nowrap;
}

.loop .step { background: var(--bg); padding: 34px 30px 38px; }
.section-alt .loop .step { background: var(--bg-alt); }
.step h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.22rem;
  margin: 0 0 12px;
}
.step p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.approach-video {
  margin: 56px 0 0;
}
.approach-video video {
  display: block;
  width: 100%;
  height: auto;
  background: #000;
  border: 1px solid var(--line);
}
.approach-video figcaption {
  margin-top: 14px;
  padding: 0 10px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.6;
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-bottom: 72px;
}
@media (max-width: 980px) { .stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .stats { grid-template-columns: 1fr; } }

.stat {
  background: var(--bg-alt);
  padding: 38px 30px;
}
.stat-num {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.6rem, 4.6vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }

.about-photo {
  display: block;
  width: 100%;
  height: auto;
  margin: 8px 0 0;
  border: 1px solid var(--line);
  background: #000;
}

.about-body {
  color: var(--muted);
  font-size: 1.02rem;
  margin: 0 0 22px;
  max-width: 60ch;
}

.about-aside {
  border: 1px solid var(--line-soft);
  padding: 36px 32px 40px;
  background: var(--bg);
}
.about-aside h3 {
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg);
  margin: 0 0 14px;
  font-weight: 500;
}
.about-role {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 26px;
}
.creds {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
}
.creds li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 0.92rem;
}
.creds li .mono { color: var(--accent); flex: none; width: 44px; }

.cta-band {
  position: relative;
  padding: clamp(110px, 14vw, 190px) 0;
  border-top: 1px solid var(--line-soft);
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 55% 65% at 50% 55%, rgba(230, 180, 92, 0.06), transparent 72%);
}
.cta-band h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 5.6vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.cta-sub {
  max-width: 46ch;
  margin: 0 auto 42px;
  color: var(--muted);
  font-size: 1.05rem;
}
.cta-actions { display: flex; justify-content: center; }

.site-footer {
  --ft-row-gap: 10px;
  --ft-title-fs: 0.68rem;
  --ft-title-lh: 1.65;
  --ft-title-mb: 4px;
  --ft-link-fs: 0.7rem;
  --ft-link-lh: 1.65;
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.footer-brand {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--ft-row-gap);
}
.footer-brand a.brand {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
}
.footer-brand .fb-row {
  height: calc(var(--ft-link-fs) * var(--ft-link-lh));
}
.footer-brand .fb-row-title {
  height: calc(var(--ft-title-fs) * var(--ft-title-lh));
  margin-bottom: var(--ft-title-mb);
}
.footer-tag {
  color: var(--faint);
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--ft-title-fs);
  letter-spacing: 0.18em;
  line-height: var(--ft-title-lh);
  text-transform: uppercase;
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; gap: 0; }
  .footer-brand a.brand { position: static; }
  .footer-brand .fb-row { display: none; }
  .footer-tag { margin-top: 16px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
.footer-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--ft-row-gap);
}
.footer-col-title {
  font-family: var(--font-mono);
  font-size: var(--ft-title-fs);
  line-height: var(--ft-title-lh);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 var(--ft-title-mb);
}
.footer-col a {
  font-family: var(--font-mono);
  font-size: var(--ft-link-fs);
  line-height: var(--ft-link-lh);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--fg); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  margin-top: 44px;
  padding-top: 22px;
}
.footer-copy {
  color: var(--faint);
  margin: 0;
  line-height: 1.8;
}

main.longform {
  --lf-ink: #171713;
  --lf-body: #3e3e37;
  --lf-col: 780px;
  background: #ffffff;
  padding: 132px 0 96px;
}
main.longform::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 76px;
  background: var(--bg);
}
main.longform .wrap { max-width: var(--lf-col); }

main.longform h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4.4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--lf-ink);
  margin: 24px 0 88px;
  max-width: 24ch;
}
main.longform h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  letter-spacing: -0.015em;
  color: var(--lf-ink);
  margin: 72px 0 28px;
}
main.longform h1 + h2 { margin-top: 0; }
main.longform h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.18rem;
  letter-spacing: -0.005em;
  color: var(--lf-ink);
  margin: 40px 0 12px;
}
main.longform p {
  color: var(--lf-body);
  font-size: 1.04rem;
  line-height: 1.72;
  margin: 0 0 20px;
  max-width: 68ch;
}
main.longform ul {
  margin: 0 0 28px;
  padding-left: 20px;
  max-width: 68ch;
}
main.longform li {
  color: var(--lf-body);
  line-height: 1.65;
  margin-bottom: 8px;
}
main.longform a {
  color: var(--lf-ink);
  text-decoration: underline;
  text-decoration-color: #c8c8bd;
  text-underline-offset: 3px;
}
main.longform a:hover { text-decoration-color: var(--lf-ink); }
main.longform em { color: var(--lf-ink); }
main.longform strong { color: var(--lf-ink); font-weight: 600; }
main.longform .diagram { border-color: transparent; }
main.longform .approach-video video { border-color: transparent; }
main.longform .diagram,
main.longform .approach-video { margin: 56px 0; }
@media (min-width: 1180px) {
  main.longform .diagram,
  main.longform .approach-video {
    width: calc(var(--wrap) - 2 * var(--pad));
    margin-inline: calc((var(--lf-col) - var(--wrap)) / 2);
  }
}