:root {
  --color-ink: #101820;
  --color-body: #45535c;
  --color-subtle: #6f7d82;
  --color-primary: #365f4f;
  --color-primary-dark: #25483c;
  --color-deep: #10201c;
  --color-paper: #fbfbf7;
  --color-soft: #eaf2ed;
  --color-panel: #f2f5f0;
  --color-line: #d1e1d6;
  --color-white: #ffffff;
  --color-accent: #9ed8dc;
  --shadow-card: 0 18px 46px rgb(16 24 32 / 8%);
  --shadow-panel: 0 24px 70px rgb(16 24 32 / 10%);
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --container-width: 77.5rem;
  --header-height: 4.25rem;
  color: var(--color-ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-synthesis: none;
  line-height: 1.5;
  scroll-behavior: smooth;
}

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

html {
  background: var(--color-paper);
}

body {
  margin: 0;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

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

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

.site {
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--color-paper);
  color: var(--color-body);
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(100% - 2.5rem, var(--container-width));
  margin-inline: auto;
}

.section {
  padding-block: clamp(4.5rem, 8vw, 6rem);
}

.section--white {
  background: var(--color-white);
}

.section--paper {
  background: var(--color-paper);
}

.section--soft {
  border-block: 1px solid var(--color-line);
  background: var(--color-soft);
}

.section--dark {
  border-block: 1px solid var(--color-line);
  background: var(--color-deep);
  color: var(--color-white);
}

.eyebrow {
  margin-bottom: 1.25rem;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

.eyebrow--compact {
  margin-bottom: 0;
  font-size: 0.7rem;
}

.section-heading__title {
  max-width: 45rem;
  color: var(--color-ink);
  font-size: clamp(2.25rem, 5vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.section-heading {
  min-width: 0;
}

.section-heading--light .eyebrow {
  color: var(--color-accent);
}

.section-heading--light .section-heading__title {
  color: var(--color-white);
}

.section-copy,
.section-intro__copy {
  max-width: 45rem;
  color: var(--color-body);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
}

.section-intro {
  display: grid;
  align-items: end;
  gap: 2rem;
  margin-bottom: 3rem;
}

.button {
  display: inline-flex;
  min-height: 3.5rem;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  border: 0;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.25;
  transition:
    background-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  padding: 0.875rem 1.5rem;
  background: var(--color-primary);
  box-shadow: 0 16px 32px rgb(54 95 79 / 20%);
  color: var(--color-white);
}

.button--primary:hover {
  background: var(--color-primary-dark);
}

.button--link {
  min-height: 3.375rem;
  padding-inline: 0.25rem;
  border-bottom: 2px solid var(--color-primary);
  border-radius: 0;
  color: var(--color-primary);
}

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

.button--full {
  width: 100%;
}

.icon {
  width: 1.5rem;
  height: 1.5rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
}

.icon--sm {
  width: 1.125rem;
  height: 1.125rem;
}

.icon-button {
  display: inline-grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}

.icon-button:hover {
  background: var(--color-soft);
}

/* Header and navigation */

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid var(--color-line);
  background: rgb(255 255 255 / 94%);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  min-width: max-content;
  color: var(--color-ink);
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.brand--mobile {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 0.75rem;
}

.brand__mark {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  border-radius: var(--radius-md);
}

.brand__name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
}

.site-nav__link {
  color: var(--color-body);
  font-size: 0.95rem;
  font-weight: 700;
  transition: color 160ms ease;
}

.site-nav__link:hover {
  color: var(--color-primary);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-header__cta {
  min-height: 3rem;
  padding-inline: 1.25rem;
  font-size: 0.95rem;
}

.menu-toggle {
  display: none;
}

.mobile-menu {
  position: fixed;
  z-index: 70;
  inset: 0;
  display: none;
}

.mobile-menu[aria-hidden="false"] {
  display: block;
}

.mobile-menu__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgb(16 32 28 / 58%);
  backdrop-filter: blur(4px);
}

.mobile-menu__panel {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  width: min(100%, 24rem);
  height: 100%;
  flex-direction: column;
  background: var(--color-white);
  box-shadow: -20px 0 60px rgb(16 24 32 / 18%);
}

.mobile-menu__header {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-inline: 1.25rem;
  border-bottom: 1px solid var(--color-line);
}

.mobile-nav {
  display: grid;
  gap: 0.25rem;
  overflow-y: auto;
  padding: 1rem;
}

.mobile-nav__link {
  display: grid;
  min-height: 3.5rem;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-weight: 700;
}

.mobile-nav__link:hover {
  background: var(--color-soft);
  color: var(--color-primary);
}

.mobile-nav__icon {
  display: grid;
  width: 1.75rem;
  height: 1.75rem;
  place-items: center;
  color: var(--color-primary);
}

.mobile-menu__footer {
  display: grid;
  gap: 0.75rem;
  margin-top: auto;
  padding: 1rem;
  border-top: 1px solid var(--color-line);
  background: var(--color-paper);
}

/* Hero */

.hero {
  border-bottom: 1px solid var(--color-line);
  background: linear-gradient(180deg, #fbfbf7 0%, #eaf2ed 100%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
}

.hero__content {
  max-width: 760px;
}

.hero__title {
  max-width: 43rem;
  color: var(--color-ink);
  font-size: clamp(2.75rem, 6.2vw, 4.05rem);
  font-weight: 950;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.hero__lead {
  max-width: 37rem;
  margin-top: 1.75rem;
  color: var(--color-body);
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 2.25rem;
}

.focus-panel {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 90%);
  box-shadow: var(--shadow-panel);
}

.focus-list {
  margin-top: 1.5rem;
}

.focus-item {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: 1rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--color-line);
}

.focus-item:first-child {
  padding-top: 0;
}

.focus-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.icon-box {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-primary);
}

.focus-item__title {
  color: var(--color-ink);
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1.2;
}

.focus-item__text {
  margin-top: 0.5rem;
  color: var(--color-body);
  line-height: 1.65;
}

.focus-summary {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-line);
}

.focus-summary__heading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-ink);
}

.focus-summary__item {
  min-width: 0;
}

.focus-summary__title {
  font-size: 0.875rem;
  font-weight: 800;
}

.focus-summary__text {
  margin-top: 0.4rem;
  color: var(--color-subtle);
  font-size: 0.875rem;
  line-height: 1.45;
}

/* Services */

.service-grid {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-line);
  gap: 1px;
}

.service-card {
  padding: 1.75rem;
  background: var(--color-white);
}

.service-card__icon {
  width: 2rem;
  height: 2rem;
  margin-bottom: 2rem;
  color: var(--color-primary);
}

.service-card__title {
  color: var(--color-ink);
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1.2;
}

.service-card__text {
  margin-top: 1rem;
  color: var(--color-body);
  line-height: 1.7;
}

/* Audit */

.split-layout {
  display: grid;
  gap: 3rem;
}

.split-layout__content .section-copy {
  margin-top: 1.75rem;
}

.split-layout__content .button {
  margin-top: 2rem;
}

.audit-list {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-line);
  gap: 1px;
}

.audit-list__item {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-white);
}

.audit-list__icon {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-primary);
}

.audit-list__text {
  align-self: center;
  color: var(--color-ink);
  font-size: 1.05rem;
  font-weight: 750;
  line-height: 1.5;
}

/* Method */

.method-layout {
  display: grid;
  gap: 3rem;
}

.method-grid {
  display: grid;
  gap: 1rem;
}

.process-step {
  padding: 1.5rem;
  border: 1px solid rgb(255 255 255 / 14%);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 6%);
}

.process-step__number {
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 900;
}

.process-step__title {
  margin-top: 2rem;
  color: var(--color-white);
  font-size: 1.5rem;
  font-weight: 900;
}

.process-step__text {
  margin-top: 0.75rem;
  color: rgb(255 255 255 / 72%);
  line-height: 1.65;
}

/* Work */

.work-grid {
  display: grid;
  gap: 1rem;
}

.work-card {
  padding: 1.5rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.work-card__icon {
  width: 2rem;
  height: 2rem;
  margin-bottom: 2rem;
  color: var(--color-primary);
}

.work-card__text {
  color: var(--color-ink);
  font-size: 1.1rem;
  font-weight: 750;
  line-height: 1.55;
}

/* About and contact */

.about-layout,
.contact-layout {
  display: grid;
  gap: 2.5rem;
}

.about-copy__text,
.about-copy__statement {
  color: var(--color-body);
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  line-height: 1.65;
}

.about-copy {
  min-width: 0;
}

.about-copy__statement {
  margin-top: 1.5rem;
  color: var(--color-ink);
  font-weight: 800;
}

.contact-layout__content .section-copy {
  margin-top: 1.75rem;
}

.contact-card {
  padding: 1.75rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.contact-card__title {
  color: var(--color-ink);
  font-size: 1.5rem;
  font-weight: 900;
}

.contact-card__text {
  margin-top: 1rem;
  color: var(--color-body);
  line-height: 1.65;
}

.contact-card .button {
  margin-top: 2rem;
}

/* Footer */

.site-footer {
  padding-block: 2.5rem;
  background: var(--color-deep);
  color: var(--color-white);
}

.site-footer__main {
  display: grid;
  gap: 2rem;
}

.site-footer__about {
  max-width: 39rem;
}

.brand--footer {
  color: var(--color-white);
}

.site-footer__description,
.site-footer__copyright {
  color: rgb(255 255 255 / 64%);
  font-weight: 500;
  line-height: 1.6;
}

.site-footer__description {
  margin-top: 1rem;
}

.site-footer__links {
  display: grid;
  gap: 1.25rem;
}

.footer-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.footer-nav,
.footer-nav__item {
  min-width: 0;
}

.footer-nav__link,
.footer-contact__link {
  color: rgb(255 255 255 / 72%);
  font-weight: 700;
  transition: color 160ms ease;
}

.footer-nav__link:hover,
.footer-contact__link:hover {
  color: var(--color-white);
}

.footer-contact {
  display: grid;
  gap: 0.75rem;
}

.footer-contact__link {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
}

.footer-contact__icon {
  display: grid;
  width: 1.75rem;
  height: 1.75rem;
  place-items: center;
}

.site-footer__legal {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgb(255 255 255 / 12%);
}

/* Responsive layout */

@media (min-width: 40rem) {
  .container {
    width: min(100% - 4rem, var(--container-width));
  }

  .focus-summary {
    grid-template-columns: repeat(3, 1fr);
  }

  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .method-grid,
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .hero__inner {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .section-intro {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .split-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .method-layout {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  }

  .about-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .contact-layout {
    grid-template-columns: minmax(0, 1fr) 26.875rem;
  }

  .site-footer__main {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .site-footer__links {
    justify-items: end;
  }

  .footer-nav__list {
    justify-content: flex-end;
  }
}

@media (max-width: 63.99rem) {
  .site-header__cta {
    display: none;
  }
}

@media (max-width: 47.99rem) {
  .site-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .hero__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero__actions .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}