:root {
  --color-background: #f7f8f6;
  --color-surface: #ffffff;
  --color-surface-muted: #edf5f8;
  --color-text: #14232d;
  --color-text-muted: #586b76;
  --color-border: #d7e3e8;
  --color-accent: #087f9c;
  --color-accent-dark: #075f78;
  --color-accent-soft: #dceff4;
  --shadow-card: 0 12px 35px rgba(20, 35, 45, 0.07);
  --radius-small: 0.5rem;
  --radius-medium: 1rem;
  --radius-large: 1.5rem;
  --content-width: 72rem;
  --section-space: clamp(3.5rem, 7vw, 5.75rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid rgba(8, 127, 156, 0.35);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-small);
  background: var(--color-text);
  color: var(--color-surface);
  text-decoration: none;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header__inner,
.hero__content,
.section,
.site-footer__inner {
  width: min(calc(100% - 3rem), var(--content-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(219, 227, 223, 0.9);
  background: rgba(247, 248, 246, 0.94);
  backdrop-filter: blur(12px);
}

.site-header__inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  gap: 2rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-text);
  font-size: 1.25rem;
  font-weight: 750;
  letter-spacing: -0.035em;
  text-decoration: none;
}

.site-logo::before {
  display: none;
}

.site-logo__image {
  display: block;
  width: 12.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  object-fit: cover;
  object-position: center;
}

html[lang="en"] .site-logo__wordmark {
  display: none;
}

html[lang="uk"] .site-logo__image {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
}

.site-nav {
  margin-left: auto;
}

.site-nav__list,
.footer-nav__list {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
}

.site-nav__link,
.footer-nav__link {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 160ms ease;
}

.site-nav__link:hover,
.footer-nav__link:hover {
  color: var(--color-accent);
}

.language-switcher {
  display: flex;
  padding-left: 1.4rem;
  border-left: 1px solid var(--color-border);
  gap: 0.25rem;
}

.language-switcher__button {
  min-width: 2.35rem;
  padding: 0.4rem 0.5rem;
  border: 0;
  border-radius: var(--radius-small);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
}

.language-switcher__button[aria-pressed="true"] {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.hero {
  display: grid;
  min-height: min(43rem, calc(100vh - 4.75rem));
  align-items: center;
  overflow: hidden;
  position: relative;
}

.hero::after {
  position: absolute;
  right: max(-10rem, calc((100vw - var(--content-width)) / 2 - 12rem));
  width: clamp(18rem, 35vw, 32rem);
  aspect-ratio: 1;
  border: clamp(3rem, 7vw, 6rem) solid var(--color-accent-soft);
  border-radius: 50%;
  content: "";
  opacity: 0.75;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-block: 4.75rem;
}

.hero__eyebrow,
.section__eyebrow {
  margin: 0 0 1rem;
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero__title {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 5.7rem);
  font-weight: 720;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.hero__description {
  max-width: 38rem;
  margin: 1.75rem 0 0;
  color: var(--color-text-muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  margin-top: 2.25rem;
  gap: 0.85rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  padding: 0.7rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  align-items: center;
  justify-content: center;
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button--primary {
  background: var(--color-accent);
  color: var(--color-surface);
}

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

.button--secondary {
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.button--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.section {
  padding-block: var(--section-space);
  scroll-margin-top: 4.75rem;
}

.section__header {
  max-width: 45rem;
  margin-bottom: clamp(2rem, 4vw, 2.8rem);
}

.section__title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.35rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.section__intro {
  max-width: 39rem;
  margin: 1.25rem 0 0;
  color: var(--color-text-muted);
  font-size: 1.08rem;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  min-height: 15rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.service-card::before {
  display: block;
  width: 2.4rem;
  height: 0.25rem;
  margin-bottom: 2.5rem;
  border-radius: 1rem;
  background: var(--color-accent);
  content: "";
}

.service-card__title,
.process-step__title {
  margin: 0;
  font-size: 1.3rem;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.service-card__description,
.process-step__description {
  margin: 0.9rem 0 0;
  color: var(--color-text-muted);
}

.approach,
.why-us {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: start;
}

.approach .section__header,
.why-us .section__header {
  margin-bottom: 0;
}

.approach__content,
.why-us__content {
  padding: clamp(1.75rem, 4vw, 3rem);
  border-radius: var(--radius-large);
  background: var(--color-surface-muted);
  font-size: 1.08rem;
}

.approach__content > p,
.why-us__content > p {
  margin-top: 0;
}

.approach__principles,
.why-us__list {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.approach__principles li,
.why-us__list li {
  position: relative;
  padding: 0.8rem 0 0.8rem 1.7rem;
  border-top: 1px solid rgba(8, 127, 156, 0.15);
  font-weight: 600;
}

.approach__principles li::before,
.why-us__list li::before {
  position: absolute;
  top: 1.45rem;
  left: 0.15rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-accent);
  content: "";
}

.process {
  width: 100%;
  max-width: none;
  padding-inline: max(1.5rem, calc((100% - var(--content-width)) / 2));
  background: var(--color-text);
  color: var(--color-surface);
}

.process .section__eyebrow {
  color: #7fc5ae;
}

.process__list {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
  counter-reset: process;
}

.process-step {
  min-height: 13rem;
  padding: 1.75rem;
  border-top: 1px solid #3d4843;
  border-right: 1px solid #3d4843;
  counter-increment: process;
}

.process-step:first-child {
  border-left: 1px solid #3d4843;
}

.process-step::before {
  display: block;
  margin-bottom: 2.4rem;
  color: #7fc5ae;
  content: "0" counter(process);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.process-step__description {
  color: #abb5b0;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(16rem, 0.75fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: end;
}

.contact .section__header {
  margin-bottom: 0;
}

.contact__details {
  padding: 1.75rem;
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  font-style: normal;
}

.contact__details p {
  margin: 0;
}

.contact__details p + p {
  margin-top: 0.85rem;
}

.contact__details span {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact__details a {
  color: var(--color-accent-dark);
  font-size: 1.08rem;
  font-weight: 650;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.site-footer {
  border-top: 1px solid #123345;
  background: #071925;
}

.site-footer__inner {
  display: flex;
  min-height: 10rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-footer__logo {
  display: block;
  width: 6.5rem;
  height: auto;
}

html[lang="uk"] .site-footer__logo {
  width: 8.6rem;
}

.site-footer__copyright {
  margin: 0;
  color: #b5c7d0;
  font-size: 0.88rem;
}

.site-footer__copyright span,
.site-footer__copyright small {
  display: block;
}

.site-footer__copyright small {
  margin-top: 0.3rem;
  color: #8299a5;
  font-size: 0.75rem;
}

.site-footer .footer-nav__link {
  color: #b5c7d0;
}

.site-footer .footer-nav__link:hover {
  color: #47d4ef;
}

@media (max-width: 56rem) {
  .site-header__inner {
    flex-wrap: wrap;
    padding-block: 0.8rem;
    gap: 0.65rem 1.5rem;
  }

  .site-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
  }

  .site-nav__list {
    width: max-content;
    gap: 1.25rem;
  }

  .language-switcher {
    margin-left: auto;
  }

  .hero {
    min-height: 38rem;
  }

  .hero::after {
    right: -12rem;
  }

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

  .service-card:last-child {
    grid-column: 1 / -1;
  }

  .approach,
  .why-us,
  .contact {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

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

  .process-step:nth-child(3) {
    border-left: 1px solid #3d4843;
  }
}

@media (max-width: 38rem) {
  .site-header__inner,
  .hero__content,
  .section,
  .site-footer__inner {
    width: min(calc(100% - 2rem), var(--content-width));
  }

  .site-header {
    position: static;
  }

  .site-logo {
    font-size: 1.15rem;
  }

  .language-switcher {
    padding-left: 0.75rem;
  }

  .site-nav__list {
    gap: 1rem;
  }

  .site-nav__link {
    font-size: 0.85rem;
  }

  .hero {
    min-height: auto;
  }

  .hero::after {
    top: 3rem;
    right: -12rem;
    width: 19rem;
  }

  .hero__content {
    padding-block: 5rem;
  }

  .hero__title {
    font-size: clamp(2.65rem, 14vw, 4rem);
  }

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

  .services__grid,
  .process__list {
    grid-template-columns: 1fr;
  }

  .service-card:last-child {
    grid-column: auto;
  }

  .service-card {
    min-height: 0;
  }

  .process {
    width: 100%;
    padding-inline: 1rem;
  }

  .process-step,
  .process-step:nth-child(3) {
    min-height: 0;
    border-right: 1px solid #3d4843;
    border-left: 1px solid #3d4843;
  }

  .site-footer__inner {
    min-height: auto;
    padding-block: 2rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
}

/* Refinement details */
.service-card {
  display: flex;
  min-height: 13rem;
  flex-direction: column;
  border-top: 3px solid var(--color-accent-soft);
}

.service-card::before {
  display: none;
}

.service-card__icon {
  display: block;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1.6rem;
  padding: 0.4rem;
  border: 1px solid var(--color-accent-soft);
  border-radius: 0.7rem;
  background: var(--color-surface-muted);
}

.service-card__description {
  max-width: 31rem;
}

.approach__content,
.why-us__content {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(8, 127, 156, 0.11);
}

.approach__content::after,
.why-us__content::after {
  position: absolute;
  top: -2.25rem;
  right: -2.25rem;
  width: 5rem;
  height: 5rem;
  border: 1px solid rgba(8, 127, 156, 0.18);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.approach__principles,
.why-us__list {
  position: relative;
  counter-reset: detail-item;
}

.approach__principles li,
.why-us__list li {
  display: flex;
  min-height: 3.4rem;
  padding: 0.75rem 0;
  align-items: center;
  gap: 0.85rem;
  counter-increment: detail-item;
}

.approach__principles li::before,
.why-us__list li::before {
  position: static;
  display: inline-flex;
  width: 1.8rem;
  height: 1.8rem;
  flex: 0 0 1.8rem;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(8, 127, 156, 0.24);
  border-radius: 0.4rem;
  background: var(--color-surface);
  color: var(--color-accent);
  content: "0" counter(detail-item);
  font-size: 0.65rem;
  font-weight: 800;
  line-height: 1;
}

.why-us__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 1rem;
}

.why-us__list li:nth-child(2) {
  border-top-color: transparent;
}

.approach .section__header::after,
.why-us .section__header::after {
  display: block;
  width: 5rem;
  height: 1px;
  margin-top: 1.5rem;
  background: var(--color-border);
  box-shadow: 1.25rem 0 0 var(--color-accent);
  content: "";
}

@media (max-width: 56rem) {
  .hero {
    min-height: 35rem;
  }

  .hero__content {
    padding-block: 4rem;
  }
}

@media (max-width: 38rem) {
  .hero__content {
    padding-block: 3.75rem;
  }

  .service-card {
    min-height: 0;
  }

  .why-us__list {
    grid-template-columns: 1fr;
  }

  .why-us__list li:nth-child(2) {
    border-top-color: rgba(8, 127, 156, 0.15);
  }
}

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

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

/* Digital marketing content enhancements */
.hero::after {
  display: none;
}

.hero__content {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(22rem, 0.92fr);
  gap: clamp(3rem, 7vw, 6rem);
  align-items: center;
}

.hero__title {
  max-width: 12ch;
  font-size: clamp(2.8rem, 5.4vw, 5.15rem);
}

.marketing-dashboard {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: 0 24px 60px rgba(23, 33, 29, 0.11);
}

.marketing-dashboard::before {
  position: absolute;
  top: -0.75rem;
  right: 2rem;
  width: 4.5rem;
  height: 0.3rem;
  border-radius: 1rem;
  background: var(--color-accent);
  content: "";
}

.marketing-dashboard__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.marketing-dashboard__label,
.marketing-dashboard__title {
  display: block;
}

.marketing-dashboard__label,
.dashboard-metric__label,
.marketing-dashboard__axis {
  color: var(--color-text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.marketing-dashboard__title {
  margin-top: 0.2rem;
  font-size: 1.35rem;
  letter-spacing: -0.025em;
}

.marketing-dashboard__status {
  padding: 0.35rem 0.65rem;
  border-radius: 2rem;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: 0.72rem;
  font-weight: 750;
}

.marketing-dashboard__chart {
  margin-top: 2rem;
  padding: 1rem 1rem 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-background);
}

.marketing-dashboard__chart svg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 0.65rem;
  overflow: visible;
}

.chart-grid {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1;
}

.chart-line {
  fill: none;
  stroke: var(--color-accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 4;
}

.chart-point {
  fill: var(--color-surface);
  stroke: var(--color-accent);
  stroke-width: 4;
}

.marketing-dashboard__metrics {
  display: grid;
  margin-top: 1rem;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.dashboard-metric {
  display: grid;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  grid-template-columns: auto 1fr;
  gap: 0.1rem 0.65rem;
  align-items: center;
}

.dashboard-metric__icon {
  width: 0.7rem;
  height: 0.7rem;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  grid-row: 1 / 3;
}

.dashboard-metric__icon--reach {
  border-radius: 0.15rem;
  background: var(--color-accent-soft);
}

.dashboard-metric__value {
  font-size: 0.95rem;
}

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

.service-card {
  position: relative;
  min-height: 14rem;
  overflow: hidden;
}

.service-card::before {
  width: 3rem;
  margin-bottom: 2rem;
}

.service-card__number {
  position: absolute;
  top: 1.7rem;
  right: 1.8rem;
  color: #a7b4ae;
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.1em;
}

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

.contact {
  align-items: start;
}

.contact__socials {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.contact__social-label {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact__socials ul {
  display: flex;
  flex-wrap: wrap;
  margin: 0.8rem 0 0;
  padding: 0;
  gap: 0.65rem;
  list-style: none;
}

.contact__socials a {
  display: inline-flex;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration: none;
}

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

.contact-form {
  display: grid;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field--wide,
.contact-form__submit {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 0.82rem;
  font-weight: 700;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-background);
  color: var(--color-text);
  font: inherit;
}

.form-field input {
  min-height: 3rem;
  padding: 0.65rem 0.8rem;
}

.form-field textarea {
  min-height: 8.5rem;
  padding: 0.8rem;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--color-accent);
  outline: 3px solid rgba(8, 127, 156, 0.12);
}

.contact-form__submit {
  width: fit-content;
  margin-top: 0.3rem;
  cursor: pointer;
}

@media (max-width: 56rem) {
  .hero__content {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .hero__copy {
    max-width: 44rem;
  }

  .marketing-dashboard {
    width: min(100%, 38rem);
  }

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

  .service-card:last-child {
    grid-column: auto;
  }

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

  .process-step:nth-child(3) {
    border-left: 0;
  }
}

@media (max-width: 38rem) {
  .hero__content {
    padding-block: 4.5rem;
  }

  .marketing-dashboard__metrics,
  .services__grid,
  .process__list,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .process-step:nth-child(3) {
    border-left: 1px solid #3d4843;
  }

  .form-field--wide,
  .contact-form__submit {
    grid-column: auto;
  }

  .contact-form__submit {
    width: 100%;
  }

  .site-footer__brand {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }
}

.service-card {
  min-height: 13rem;
}

@media (max-width: 38rem) {
  .hero__content {
    padding-block: 3.75rem;
  }

  .service-card {
    min-height: 0;
  }
}

/* Final proportion and readability adjustments */
@media (min-width: 56.0625rem) {
  .hero__content {
    grid-template-columns: minmax(0, 1.16fr) minmax(22rem, 0.84fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }

  .hero__title {
    max-width: 15ch;
    font-size: clamp(2.8rem, 4.65vw, 4.65rem);
  }
}

.site-nav__link {
  font-size: 0.96rem;
}

.service-card__description,
.process-step__description {
  font-size: 1.04rem;
}

.marketing-dashboard__label,
.dashboard-metric__label,
.marketing-dashboard__axis,
.contact__social-label {
  font-size: 0.78rem;
}

.services {
  padding-top: clamp(3rem, 6vw, 5rem);
}

@media (max-width: 38rem) {
  .site-nav__link {
    font-size: 0.9rem;
  }
}