:root {
  --content-width: 1120px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.header-inner {
  width: min(var(--content-width), calc(100% - 2.5rem));
  margin: 0 auto;
  min-height: 74px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: var(--space-4);
}

.brand {
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}

.nav-link {
  text-decoration: none;
  font-size: 0.95rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.lang-btn {
  border: 0;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

.section {
  width: min(var(--content-width), calc(100% - 2.5rem));
  margin: 0 auto;
  padding: var(--space-6) 0;
}

.hero {
  min-height: 86vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
  gap: var(--space-5);
}

.hero-content {
  padding: clamp(2rem, 6vw, 4rem) 0;
}

.hero-company {
  margin: 0 0 0.45rem;
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-name {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.04;
}

.hero-title {
  margin: 0.75rem 0 0;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
}

.hero-message {
  margin: 1.15rem 0 0;
  font-size: clamp(1.2rem, 2.7vw, 1.7rem);
  line-height: 1.25;
  max-width: 22ch;
}

.hero-audience {
  margin: 1rem 0 0;
  max-width: 56ch;
}

.hero-actions {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.cta {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.72rem 1.15rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.hero-image-wrap {
  align-self: end;
  justify-self: end;
}

.hero-image {
  width: min(460px, 100%);
  aspect-ratio: 1 / 1.08;
  object-fit: cover;
  border-radius: 24px 24px 6px 24px;
}

.section-title {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.15rem);
}

.section-intro {
  margin: 0.8rem 0 0;
  max-width: 68ch;
}

.services-grid {
  margin-top: 1.6rem;
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.service-card {
  border-radius: var(--radius-md);
  padding: 1.2rem;
}

.service-title {
  margin: 0;
  font-size: 1.1rem;
}

.service-text {
  margin: 0.65rem 0 0;
}

.experience-cases {
  margin-top: 1.6rem;
  display: grid;
  gap: var(--space-4);
}

.case-card {
  border-radius: var(--radius-md);
  padding: 1.35rem;
}

.case-title {
  margin: 0;
  font-size: 1.2rem;
}

.case-period {
  margin: 0.38rem 0 0;
  font-size: 0.92rem;
}

.case-subtitle {
  margin: 1rem 0 0.4rem;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-context-text {
  margin: 0;
}

.case-list {
  margin: 0.2rem 0 0;
  padding-left: 1rem;
}

.case-list-item + .case-list-item {
  margin-top: 0.42rem;
}

.about-wrap {
  max-width: 72ch;
}

.about-paragraph {
  margin: 1rem 0 0;
}

.contact-wrap {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.contact-item {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.contact-label {
  font-weight: 600;
}

.site-footer {
  padding: 2rem 0 2.7rem;
}

.footer-inner {
  width: min(var(--content-width), calc(100% - 2.5rem));
  margin: 0 auto;
  display: grid;
  gap: 0.35rem;
}

.footer-line {
  margin: 0;
  font-size: 0.9rem;
}

@media (max-width: 960px) {
  .header-inner {
    grid-template-columns: 1fr auto;
    row-gap: 0.5rem;
    padding: 0.65rem 0;
  }

  .main-nav {
    grid-column: 1 / -1;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 1.4rem;
  }

  .hero-image-wrap {
    justify-self: start;
    width: min(380px, 100%);
  }

  .hero-image {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .section {
    width: min(var(--content-width), calc(100% - 1.4rem));
    padding: 2.8rem 0;
  }

  .header-inner,
  .footer-inner {
    width: min(var(--content-width), calc(100% - 1.4rem));
  }

  .main-nav ul {
    justify-content: flex-start;
    gap: 0.8rem;
  }

  .hero-company {
    font-size: 0.76rem;
  }
}