:root {
  color-scheme: dark;
  --ink: #080a0c;
  --panel: #0d1115;
  --text: #f1f4f6;
  --soft: #c3cbd2;
  --muted: #7f8992;
  --accent: #0ba3f9;
  --rule: #383d4f;
  --sans: "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, monospace;
  --gutter: clamp(1.25rem, 5vw, 6rem);
  --space: clamp(4.5rem, 8vw, 8rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
  background: var(--ink);
  scrollbar-width: thin;
  scrollbar-color: var(--rule) var(--ink);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--ink);
}

::-webkit-scrollbar-thumb {
  background: var(--rule);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: #3b454e;
}

body {
  margin: 0;
  font: 400 1rem/1.7 var(--sans);
  color: var(--text);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
}

body,
h1,
h2,
h3,
p,
ul,
ol,
figure {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
  font: inherit;
  cursor: pointer;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button[hidden],
[hidden] {
  display: none !important;
}

img,
canvas {
  display: block;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}

section:focus,
main:focus {
  outline: none;
}

.shell {
  width: min(100% - var(--gutter) * 2, 1320px);
  margin-inline: auto;
}

.section {
  padding-block: var(--space);
}

h1,
h2,
h3 {
  font-weight: 400;
  text-wrap: balance;
}

h2 {
  font-size: clamp(2rem, 3.4vw, 3.55rem);
  line-height: 1.16;
  letter-spacing: -0.042em;
}

p {
  text-wrap: pretty;
}

.section-label,
.eyebrow,
.index {
  color: var(--muted);
  font: 400 0.72rem/1.6 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 0.7rem 1rem;
  color: var(--ink);
  background: var(--accent);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}


/* =========================
   HEADER
   ========================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 10, 12, 0.96);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.site-header[data-compact="true"] {
  border-color: var(--rule);
}

.header-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 44px;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.brand img {
  width: 40px;
  height: 40px;
}

.main-nav {
  display: flex;
  gap: clamp(1.1rem, 2.2vw, 2.5rem);
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  font-size: 0.85rem;
  transition: color 0.25s ease;
}

.main-nav a:hover,
.main-nav a[aria-current],
.instagram:hover {
  color: var(--text);
}

.menu-button {
  padding: 0.4rem 0 0.4rem 0.7rem;
  min-height: 44px;
  background: none;
  border: 0;
  font-size: 0.875rem;
}

.menu-button span {
  display: inline-block;
  margin-left: 0.5rem;
  transition: transform 0.3s ease;
}

.menu-button[aria-expanded="true"] span {
  transform: rotate(45deg);
}


/* =========================
   HERO
   ========================= */

.hero {
  overflow: hidden;
  overflow: clip;
  border-bottom: 1px solid var(--rule);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.15fr;
  column-gap: clamp(1.5rem, 3vw, 3.5rem);
  align-items: center;
  min-height: min(820px, calc(100svh - 88px));
  padding-top: clamp(2.5rem, 5vh, 5rem);
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding-block: 1rem 4rem;
}

.hero h1 {
  margin-top: 2rem;
  font-size: clamp(2.6rem, 4.7vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.053em;
}

.hero h1 span {
  color: var(--soft);
}

.hero-description {
  max-width: 34rem;
  margin-top: 2rem;
  color: var(--muted);
  font-size: 1rem;
}

.hero-field {
  position: relative;
  width: 100%;
  height: clamp(520px, 65vh, 690px);
  align-self: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-field::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 15% 3% 12% 20%;
}

.hero-network {
  display: block;
  width: 100%;
  height: 100%;
  opacity: 0.92;
}


/* =========================
   SHARED SECTION HEADING
   ========================= */

.section-heading {
  max-width: 60rem;
}

.section-heading .section-label {
  margin-bottom: 1.15rem;
}

.section-heading h2 + .section-intro {
  margin-top: 1.3rem;
}

.section-intro {
  max-width: 47rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.narrow-heading {
  max-width: 54rem;
}


/* =========================
   FIRM
   ========================= */

.firm-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 5rem);
  width: 100%;
  margin-top: 2rem;
  padding-top: 2rem;
}

.firm-copy p {
  max-width: 33rem;
  color: var(--soft);
}

.firm-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  margin-top: 5rem;
  border-block: 1px solid var(--rule);
}

.firm-facts > div {
  min-width: 0;
  padding: 1.2rem 1.5rem 1.25rem 0;
}

.firm-facts > div + div {
  padding-left: 1.5rem;
  border-left: 1px solid var(--rule);
}

.firm-facts span {
  display: block;
  color: var(--muted);
  font: 0.67rem/1.4 var(--mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.firm-facts strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.94rem;
  font-weight: 500;
}


/* =========================
   RESEARCH
   ========================= */

.research {
  background: var(--ink);
  border-block: 1px solid var(--rule);
}

.research-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: clamp(3rem, 5vw, 5rem);
  border-block: 1px solid var(--rule);
}

.research-flow li {
  position: relative;
  min-width: 0;
  padding: 1.35rem 1rem 1.5rem 0;
}

.research-flow li + li {
  padding-left: 1rem;
  border-left: 1px solid var(--rule);
}

.research-flow span {
  color: var(--muted);
  font: 0.66rem/1.4 var(--mono);
}

.research-flow strong {
  display: block;
  margin-top: 1.5rem;
  font-size: 1rem;
  font-weight: 500;
}

.research-flow small {
  display: block;
  max-width: 12rem;
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.55;
}

.research-flow li:last-child strong {
  color: var(--accent);
}


/* =========================
   APPROACH
   ========================= */

.system {
  background: var(--panel);
  border-bottom: 1px solid var(--rule);
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(3rem, 5vw, 5rem);
  border-block: 1px solid var(--rule);
}

.system-card {
  min-width: 0;
  padding: 1.8rem clamp(1.3rem, 2.5vw, 2.5rem) 2rem 0;
}

.system-card + .system-card {
  padding-left: clamp(1.3rem, 2.5vw, 2.5rem);
  border-left: 1px solid var(--rule);
}

.system-card h3 {
  margin-top: 1.7rem;
  font-size: clamp(1.45rem, 2vw, 1.9rem);
  letter-spacing: -0.035em;
}

.system-card p {
  max-width: 34rem;
  margin-top: 1rem;
  color: var(--soft);
  font-size: 0.92rem;
}

.system-card small {
  display: block;
  margin-top: 1.7rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.risk-band {
  display: grid;
  grid-template-columns: minmax(16rem, 0.9fr) minmax(0, 1.8fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  margin-top: 3.5rem;
  padding-top: 2.2rem;
}

.risk-band h3 {
  margin-top: 0.65rem;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  letter-spacing: -0.035em;
}

.risk-band > p {
  max-width: 46rem;
  color: var(--muted);
  font-size: 0.92rem;
}


/* =========================
   PRINCIPLE
   ========================= */

.principle {
  background: var(--ink);
  border-bottom: 1px solid var(--rule);
}


/* =========================
   CONTACT
   ========================= */

.contact {
  position: relative;
}

.contact-heading {
  max-width: 44rem;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(18rem, 0.72fr);
  column-gap: clamp(3rem, 8vw, 8rem);
  row-gap: clamp(3rem, 5vw, 4.5rem);
  margin-top: clamp(1rem, 2.5vw, 2.5rem);
  padding-top: clamp(1.75rem, 3vw, 2.5rem);
}

.contact-primary,
.contact-context {
  min-width: 0;
}

.contact-kicker,
.footer-heading,
.footer-disclosure h3 {
  color: var(--muted);
  font: 400 0.7rem/1.5 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.contact-copy {
  max-width: 36rem;
  margin-top: 1rem;
  color: var(--soft);
  font-size: clamp(1.15rem, 1.7vw, 1.55rem);
  line-height: 1.52;
  letter-spacing: -0.018em;
}

.contact-context {
  max-width: 31rem;
  padding-top: 0.05rem;
}

.contact-context h3 {
  font-size: 1rem;
}

.contact-context p {
  margin-top: 0.95rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.contact-address {
  grid-column: 1;

  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr) auto;
  align-items: center;

  min-height: 80px;

  padding: clamp(1.4rem, 2.5vw, 2rem) 0;

  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);

  transition: border-color 0.25s ease;
}

.contact-address-label {
  color: var(--muted);
  font: 400 0.7rem/1.5 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.contact-address-value {
  min-width: 0;
  color: var(--text);
  font-size: clamp(1.15rem, 2vw, 2rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  overflow-wrap: anywhere;
}

.contact-address-arrow {
  color: var(--accent);
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  transition: transform 0.3s ease;
}

.contact-address:hover,
.contact-address:focus-visible {
  border-color: var(--soft);
}

.contact-address:hover .contact-address-arrow,
.contact-address:focus-visible .contact-address-arrow {
  transform: translate(4px, -4px);
}


/* =========================
   FOOTER
   ========================= */

.site-footer {
  padding-block: clamp(4rem, 7vw, 6.5rem) 2.4rem;
  background: var(--ink);
  border-top: 1px solid var(--rule);
}

.footer-grid {
  display: grid;

  grid-template-columns:
    minmax(15rem, 1.15fr)
    minmax(10rem, 0.65fr)
    minmax(10rem, 0.65fr);

  gap: clamp(3rem, 8vw, 8rem);

  padding-bottom: clamp(2rem, 3.5vw, 3rem);
}

.footer-brand .brand img {
  width: 150px;
  height: auto;
}

.footer-brand > p {
  max-width: 20rem;
  margin-top: 1.6rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.85;
}

.footer-column {
  padding-top: 0.4rem;
}

.footer-links {
  margin-top: 1.25rem;
}

.footer-links li + li {
  border: none;
}

.footer-links a {
  display: flex;
  width: fit-content;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 44px;
  padding: 0.65rem 0;
  color: var(--soft);
  font-size: 0.84rem;
  transition: color 0.25s ease;
}

.footer-links a span:last-child {
  color: var(--muted);
  font-size: 0.72rem;

  transition:
    color 0.25s ease,
    transform 0.25s ease;
}

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

.footer-links a:hover span:last-child,
.footer-links a:focus-visible span:last-child {
  color: var(--accent);
  transform: translate(2px, -2px);
}


/* =========================
   FOOTER DISCLOSURES
   ========================= */

.footer-disclosures {
  grid-template-columns:
    minmax(10rem, 0.34fr)
    minmax(0, 1.66fr);

  gap: clamp(2.5rem, 6vw, 7rem);

  padding: clamp(2rem, 3vw, 2.8rem) 0;

  border-bottom: 1px solid var(--rule);
}

.footer-disclosure-labels {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding-top: 0.15rem;
}

.footer-disclosure-labels span {
  color: var(--muted);
  font: 400 0.7rem/1.5 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.footer-disclosure-text p {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.9;
}

.footer-disclosure-text p + p {
  margin-top: 0.9rem;
}

.footer-disclosure-text a {
  color: var(--soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.25s ease;
}

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

@media (max-width: 760px) {

  .footer-disclosures {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 0;
  }

  .footer-disclosure-labels {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem 1.4rem;
  }
}


/* =========================
   FOOTER BOTTOM
   ========================= */

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding-top: 1.65rem;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.6;
}

.footer-bottom > span {
  flex-shrink: 0;
}

.footer-bottom > a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 44px;
  transition: color 0.25s ease;
}

.footer-bottom > a:hover,
.footer-bottom > a:focus-visible {
  color: var(--text);
}


/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 1000px) {

  .hero-field {
    height: clamp(450px, 56vw, 590px);
  }

  .hero-grid {
    grid-template-columns: 1fr 1.08fr;
    column-gap: 1rem;
  }

  .hero h1 {
    font-size: clamp(2.6rem, 5.1vw, 4.1rem);
  }

  .research-flow {
    grid-template-columns: repeat(5, minmax(8rem, 1fr));
    overflow-x: auto;
  }

  .contact-panel {
    grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.82fr);
    column-gap: 3rem;
  }

  .footer-grid {
    grid-template-columns: 0.8fr 1fr 1fr;
    gap: 2rem;
  }
}


@media (max-width: 760px) {

  .hero-field {
    display: none;
  }

  .header-inner {
    min-height: 76px;
    gap: 0.5rem 1rem;
    flex-wrap: wrap;
    padding-block: 0.6rem;
  }

  .main-nav {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.15rem 1rem;
    padding-bottom: 0.5rem;
  }

  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 2.2rem;
  }

  .hero-copy {
    padding-bottom: 4rem;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 9vw, 4.5rem);
    max-width: 36rem;
  }

  .hero-description {
    margin-top: 1.5rem;
  }

  .firm-copy {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .firm-facts {
    grid-template-columns: 1fr;
  }

  .firm-facts > div,
  .firm-facts > div + div {
    padding: 1rem 0;
    border-left: 0;
    border-bottom: 1px solid var(--rule);
  }

  .firm-facts > div:last-child {
    border-bottom: 0;
  }

  .research-flow {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .research-flow li,
  .research-flow li + li {
    display: grid;
    grid-template-columns: 2.2rem 7rem 1fr;
    gap: 0.7rem;
    align-items: baseline;
    padding: 0.95rem 0;
    border-left: 0;
    border-bottom: 1px solid var(--rule);
  }

  .research-flow li:last-child {
    border-bottom: 0;
  }

  .research-flow strong,
  .research-flow small {
    margin-top: 0;
  }

  .research-flow small {
    max-width: none;
  }

  .system-grid {
    grid-template-columns: 1fr;
  }

  .system-card,
  .system-card + .system-card {
    padding: 1.7rem 0;
    border-left: 0;
    border-bottom: 1px solid var(--rule);
  }

  .system-card:last-child {
    border-bottom: 0;
  }

  .system-card h3 {
    margin-top: 0.7rem;
  }

  .risk-band {
    grid-template-columns: 1fr;
    gap: 1.3rem;
  }


  /* CONTACT MOBILE */

  .contact {
    padding-block: clamp(3.75rem, 12vw, 4.75rem);
  }

  .contact-panel {
    grid-template-columns: 1fr;
    column-gap: 0;
    row-gap: 2.25rem;
    margin-top: 0.75rem;
    padding-top: 1.5rem;
  }

  .contact-primary,
  .contact-context {
    max-width: none;
  }

  .contact-copy {
    max-width: 32rem;
    margin-top: 0.8rem;
    font-size: clamp(1.08rem, 4.7vw, 1.3rem);
  }

  .contact-context {
    padding-top: 0;
  }

  .contact-context p {
    margin-top: 0.8rem;
  }

  .contact-address {
    grid-column: 1;
    grid-template-columns: 5.25rem minmax(0, 1fr) auto;
    min-height: 72px;
    padding: 1.25rem 0;
  }

  .contact-address-value {
    font-size: clamp(1.08rem, 4.6vw, 1.35rem);
    letter-spacing: -0.03em;
  }


  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1.2rem;
  }
}


@media (max-width: 480px) {

  .hero h1 {
    font-size: clamp(2.15rem, 8.7vw, 3rem);
  }

  .research-flow li,
  .research-flow li + li {
    grid-template-columns: 2rem 1fr;
  }

  .research-flow small {
    grid-column: 2;
  }


  /* CONTACT SMALL MOBILE */

  .contact-panel {
    row-gap: 2rem;
  }

  .contact-address {
    grid-template-columns: minmax(0, 1fr) auto;
    row-gap: 0.35rem;
  }

  .contact-address-label {
    grid-column: 1 / -1;
  }

  .contact-address-value {
    grid-column: 1;
    font-size: clamp(1rem, 5.2vw, 1.18rem);
    line-height: 1.2;
    overflow-wrap: anywhere;
  }

  .contact-address-arrow {
    grid-column: 2;
    grid-row: 2;
    align-self: center;
    margin-left: 1rem;
  }
}


@media (prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}


@media print {

  .site-header,
  .hero-field,
  .skip-link {
    display: none !important;
  }

  html,
  body,
  .research,
  .system,
  .principle,
  .site-footer {
    background: white;
    color: black;
  }

  :root {
    --text: #000;
    --soft: #222;
    --muted: #444;
    --rule: #aaa;
  }

  .section {
    padding-block: 2rem;
  }

  .hero-grid {
    display: block;
    min-height: 0;
  }

  .hero-copy {
    padding: 0;
  }
}