:root {
  --paper: #fdfbf5;
  --ink: #16161d;
  --red: #d42a20;
  --muted: #66635e;
  --line: rgba(22, 22, 29, 0.2);
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --max: 1280px;
  --gutter: clamp(1.25rem, 4vw, 4.5rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6.5rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

button,
summary {
  font: inherit;
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-180%);
}

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

.section-shell,
.nav-shell {
  width: min(100%, calc(var(--max) + var(--gutter) * 2));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(253, 251, 245, 0.96);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  transition: border-color 180ms ease;
}

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

.nav-shell {
  min-height: 5.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand img {
  width: 17rem;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 3vw, 3rem);
}

.site-nav a,
.menu-button {
  position: relative;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -0.45rem;
  height: 1px;
  background: var(--red);
  transition: right 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after {
  right: 0;
}

.menu-button {
  display: none;
  cursor: pointer;
}

.hero {
  min-height: calc(100svh - 5.5rem);
  padding-block: clamp(5rem, 11vh, 9rem) clamp(3rem, 8vh, 6rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.eyebrow,
.section-index {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 14ch;
  margin: 1.5rem 0 clamp(4rem, 10vh, 8rem);
  font-family: var(--serif);
  font-size: clamp(3.55rem, 8.5vw, 8.25rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.92;
}

.hero h1 em {
  color: var(--red);
  font-style: normal;
}

.hero-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: end;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.hero-bottom p {
  max-width: 37rem;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.3vw, 2.2rem);
  line-height: 1.25;
}

.text-link {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.text-link span,
.contact-link span,
.recognition-arrow {
  color: var(--red);
}

.section {
  padding-block: clamp(6rem, 12vw, 11rem);
  border-top: 1px solid var(--line);
}

.section-index {
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

h2,
h3,
p {
  text-wrap: pretty;
}

h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 5.4vw, 5.6rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.expertise-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(19rem, 0.75fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.expertise-copy .lead,
.approach-grid .lead {
  margin-top: clamp(2rem, 4vw, 3.5rem);
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.5vw, 2.2rem);
  line-height: 1.3;
}

.expertise-copy > p:not(.lead) {
  max-width: 41rem;
}

.portrait-wrap {
  position: relative;
  width: min(100%, 22rem);
  justify-self: end;
  margin: 0;
}

.portrait-wrap::before {
  content: "";
  position: absolute;
  top: -1rem;
  right: -1rem;
  width: 5rem;
  height: 5rem;
  border-top: 2px solid var(--red);
  border-right: 2px solid var(--red);
}

.portrait {
  width: 100%;
  height: auto;
  filter: saturate(0.82) contrast(0.98);
}

.recognition {
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.recognition h3 {
  margin: 0 0 1rem;
}

.recognition a:first-of-type {
  border-top: 1px solid var(--line);
}

.recognition a {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
  text-decoration: none;
}

.recognition-logo {
  width: 9rem;
  height: 4rem;
  object-fit: contain;
  object-position: left center;
}

.recognition-logo--innovate {
  object-fit: cover;
  object-position: center;
  mix-blend-mode: multiply;
}

.recognition-logo--law {
  width: 6.5rem;
}

.recognition a:hover,
.recognition a:focus-visible {
  color: var(--red);
}

.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(18rem, 0.6fr);
  gap: clamp(3rem, 9vw, 9rem);
  align-items: end;
}

.section-heading-row p {
  margin: 0;
  font-size: 1.2rem;
}

.service-list {
  margin-top: clamp(4rem, 8vw, 8rem);
  border-top: 1px solid var(--ink);
}

.service {
  padding-block: clamp(2.2rem, 4vw, 3.7rem);
  border-bottom: 1px solid var(--line);
}

.service-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  column-gap: clamp(2rem, 7vw, 7rem);
}

.service h3,
.work-mode h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.75rem, 3vw, 3rem);
  font-weight: 400;
  line-height: 1.1;
}

.service-main > p {
  margin: 0;
  max-width: 39rem;
}

details {
  grid-column: 2;
  margin-top: 1.5rem;
  border-top: 1px solid var(--line);
}

summary {
  position: relative;
  padding: 0.9rem 2rem 0.9rem 0;
  cursor: pointer;
  list-style: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  position: absolute;
  right: 0;
  color: var(--red);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1;
}

details[open] summary::after {
  content: "−";
}

.detail-body {
  padding: 0.2rem 0 0.8rem;
}

.detail-body ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 1rem;
}

.detail-body li + li {
  margin-top: 0.45rem;
}

.approach-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.8fr);
  gap: clamp(4rem, 10vw, 10rem);
}

.work-modes {
  border-top: 1px solid var(--ink);
}

.work-mode {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1rem;
  padding-block: 1.6rem;
  border-bottom: 1px solid var(--line);
}

.work-mode > span {
  color: var(--red);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.work-mode h3 {
  font-size: 1.7rem;
}

.work-mode p {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.manifesto {
  margin-top: clamp(5rem, 10vw, 9rem);
  padding: clamp(2.2rem, 5vw, 4rem);
  background: var(--ink);
  color: var(--paper);
}

.manifesto p {
  max-width: 20ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 4.25rem);
  line-height: 1.03;
}

.manifesto span {
  display: block;
  margin-top: 2rem;
  color: #f08a80;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact {
  min-height: 78svh;
  padding-block: clamp(6rem, 12vw, 11rem);
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact h2 {
  max-width: 11ch;
  margin-block: clamp(4rem, 10vw, 8rem);
  font-size: clamp(3.4rem, 8vw, 8rem);
}

.contact-link {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.25rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.35rem, 3vw, 2.7rem);
  text-decoration: none;
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--red);
}

.footer {
  display: grid;
  grid-template-columns: 12rem 1fr auto;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.footer img {
  width: 10rem;
  opacity: 0.8;
}

.footer p {
  max-width: 48rem;
  margin: 0;
}

.footer > span {
  white-space: nowrap;
}

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 4px;
}

@media (max-width: 900px) {
  .expertise-grid,
  .section-heading-row,
  .approach-grid {
    grid-template-columns: 1fr;
  }

  .portrait-wrap {
    justify-self: start;
  }

  .service-main {
    grid-template-columns: 1fr;
    row-gap: 1.2rem;
  }

  details {
    grid-column: 1;
    margin-top: 0;
  }

  .footer {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 900px) {
  .recognition a {
    grid-template-columns: 7rem minmax(0, 1fr) auto;
    gap: 0.7rem;
    font-size: 0.875rem;
  }

  .recognition-logo {
    width: 7rem;
    height: 3.2rem;
  }

  .recognition-logo--law {
    width: 5.25rem;
  }

  body {
    font-size: 1rem;
  }

  .nav-shell {
    min-height: 4.6rem;
    gap: 1rem;
  }

  .brand img {
    width: clamp(10rem, 45vw, 13rem);
  }

  .menu-button {
    display: block;
    min-height: 44px;
    padding: 0.5rem 0;
    flex-shrink: 0;
  }

  .site-nav {
    position: fixed;
    inset: 4.6rem 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem var(--gutter) 1.8rem;
    background: var(--paper);
    border-bottom: 1px solid var(--ink);
    max-height: calc(100svh - 4.6rem);
    overflow-y: auto;
  }

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

  .site-nav a {
    padding-block: 0.85rem;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
  }

  .site-nav a::after {
    display: none;
  }

  .hero {
    min-height: calc(100svh - 4.6rem);
    padding-top: 4rem;
  }

  .hero h1 {
    font-size: clamp(3.25rem, 15vw, 5.7rem);
  }

  .hero-bottom {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .contact {
    min-height: 68svh;
  }

  .contact-link {
    align-items: end;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 400px) {
  .contact-link {
    gap: 0.75rem;
    font-size: 1.125rem;
  }

  h2 {
    font-size: 2.35rem;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 14vw, 3.5rem);
  }

  .recognition a {
    grid-template-columns: 5.5rem minmax(0, 1fr) auto;
  }

  .recognition-logo {
    width: 5.5rem;
  }

  .work-mode {
    grid-template-columns: 1.5rem minmax(0, 1fr);
    gap: 0.75rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}