:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-dark: #111827;
  --text: #172033;
  --muted: #5e6879;
  --line: #dde2ea;
  --accent: #1f5246;
  --accent-dark: #153b33;
  --accent-soft: #e8f1ee;
  --max-width: 1160px;
  --shadow: 0 22px 60px rgba(17, 24, 39, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

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

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

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(221, 226, 234, 0.8);
  background: rgba(247, 248, 250, 0.92);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: white;
  background: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.92rem;
  font-weight: 600;
}

.main-nav a:hover {
  color: var(--accent);
}

.language-toggle,
.menu-button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.language-toggle {
  padding: 8px 11px;
}

.menu-button {
  display: none;
  padding: 8px 12px;
  font-size: 1.2rem;
}

.hero {
  padding: 104px 0 84px;
  background:
    radial-gradient(circle at top right, rgba(31, 82, 70, 0.13), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(310px, 0.75fr);
  gap: 72px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(2.65rem, 5vw, 5rem);
  line-height: 1.03;
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 3.3vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

h3 {
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.hero-text,
.section-heading p,
.experience-grid p,
.contact-box p {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-text {
  max-width: 720px;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.button.primary {
  color: white;
  background: var(--accent);
  box-shadow: 0 12px 26px rgba(31, 82, 70, 0.22);
}

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

.button.secondary {
  border: 1px solid var(--line);
  background: var(--surface);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 32px;
}

.hero-tags span {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.hero-card {
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  color: white;
  background: var(--surface-dark);
  box-shadow: var(--shadow);
}

.hero-card .card-label {
  color: #a9c7bf;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-card h2 {
  font-size: 1.55rem;
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.hero-card ul {
  margin: 26px 0 0;
  padding-left: 20px;
  color: #d3dae5;
}

.hero-card li + li {
  margin-top: 12px;
}

.section {
  padding: 96px 0;
}

.section-muted {
  background: var(--surface);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 48px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.service-card {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 40px rgba(17, 24, 39, 0.08);
}

.service-number {
  display: inline-block;
  margin-bottom: 36px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  color: var(--muted);
  font-size: 0.94rem;
}

.experience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.skill-list {
  display: grid;
  gap: 14px;
}

.skill-list div {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg);
}

.skill-list strong,
.skill-list span {
  display: block;
}

.skill-list strong {
  margin-bottom: 4px;
}

.skill-list span {
  color: var(--muted);
  font-size: 0.9rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-grid article {
  padding-top: 22px;
  border-top: 3px solid var(--accent);
}

.process-grid span {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 50%;
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 800;
}

.process-grid p {
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-section {
  padding-top: 40px;
}

.contact-box {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 48px;
  align-items: center;
  padding: 52px;
  border-radius: 26px;
  color: white;
  background: var(--surface-dark);
}

.contact-box .eyebrow {
  color: #a9c7bf;
}

.contact-box p {
  color: #c8d0dc;
}

.contact-box .button.secondary {
  color: white;
  border-color: #394254;
  background: transparent;
}

.contact-actions {
  flex-direction: column;
  margin-top: 0;
}

.site-footer {
  padding: 34px 0;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 0.86rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .experience-grid,
  .contact-box {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 44px;
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .menu-button {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    top: 76px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a,
  .language-toggle {
    width: 100%;
    padding: 13px 14px;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .hero {
    padding: 76px 0 64px;
  }

  .section {
    padding: 72px 0;
  }

  .cards-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

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

  .contact-box {
    padding: 34px 24px;
  }

  .footer-wrap {
    flex-direction: column;
  }
}