:root {
  --background: #fafaf9;
  --foreground: #13171e;
  --card: #ffffff;
  --card-foreground: #13171e;
  --primary: #009c89;
  --primary-foreground: #fcfcfc;
  --secondary: #f3f2ee;
  --muted-foreground: #606369;
  --border: rgba(220, 222, 225, 0.6);
  --surface-offset: #343b45;
  --surface-offset-foreground: #eeeeee;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "DM Sans", Arial, sans-serif;
  background: var(--background);
  color: var(--foreground);
  line-height: 1.5;
}

.container { width: min(1120px, 92vw); margin: 0 auto; }
.section { padding: 80px 0; }
.section h2 { font-size: clamp(2rem, 3vw, 2.8rem); margin: 0; }
.lead { color: var(--muted-foreground); margin: 14px 0 0; font-size: 1.1rem; max-width: 760px; }

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, #061211 92%, transparent);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.logo-wrap { display: inline-flex; align-items: center; flex-shrink: 0; }
.logo {
  display: block;
  width: auto;
  height: 36px;
  max-width: min(44vw, 360px);
  object-fit: contain;
  background: #061211;
  border-radius: 12px;
  padding: 8px 14px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}
.site-header .logo {
  background: transparent;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}
.desktop-nav { display: flex; gap: 12px; }
.desktop-nav a, .mobile-nav a { color: rgba(240, 244, 245, 0.78); text-decoration: none; font-weight: 500; }
.desktop-nav a:hover, .mobile-nav a:hover { color: #ffffff; }
.site-footer a { color: var(--muted-foreground); text-decoration: none; font-weight: 500; }
.site-footer a:hover { color: var(--foreground); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}
.lang-switcher.mobile-lang-switcher {
  display: none;
  margin-top: 8px;
  justify-content: flex-start;
}
.lang-link {
  color: rgba(240, 244, 245, 0.78);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.lang-link:hover { color: #ffffff; }
.lang-link[aria-current="page"] {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}
.icon-btn {
  width: 42px; height: 42px; border-radius: 8px; border: 1px solid var(--border);
  background: transparent; color: var(--foreground); cursor: pointer; font-size: 1.1rem;
}
.site-header .icon-btn {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: #f5f7f8;
}
.mobile-only { display: none; }
.mobile-nav {
  display: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 4vw 12px;
  background: #061211;
}
.mobile-nav.open { display: grid; gap: 10px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; text-decoration: none;
  padding: 12px 20px; border-radius: 8px; font-weight: 600; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--primary); color: var(--primary-foreground); }
.btn-secondary { border-color: var(--border); background: color-mix(in srgb, var(--card) 60%, transparent); color: var(--foreground); }
.btn-desktop { padding-inline: 16px; font-size: 0.92rem; }

.hero {
  min-height: 90vh; position: relative; overflow: hidden; display: flex; align-items: center;
  padding-top: 120px; padding-bottom: 64px;
}
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.2), transparent 40%, var(--background)),
    color-mix(in srgb, var(--background) 75%, transparent);
}
.hero-content { position: relative; z-index: 1; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: 1.04; max-width: 850px; margin: 0; }
.hero p { max-width: 740px; margin-top: 20px; font-size: 1.12rem; color: var(--muted-foreground); }
.hero-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }

.trusted {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: #061211;
  padding: 46px 0;
}
.section-kicker { text-align: center; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; color: var(--muted-foreground); font-size: 0.8rem; }
.trusted .section-kicker { color: rgba(240, 244, 245, 0.78); }
.logo-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(7, minmax(90px, 1fr));
  gap: 18px;
  align-items: center;
}
.logo-grid img { width: 100%; max-height: 64px; object-fit: contain; filter: grayscale(1) brightness(1.12); opacity: 0.88; }

.cards { display: grid; gap: 18px; margin-top: 34px; }
.card {
  background: var(--card);
  color: var(--card-foreground);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
}
.card h3 { margin: 0 0 10px; font-size: 1.2rem; }
.card p { margin: 0; color: var(--muted-foreground); }
.services-grid { grid-template-columns: repeat(3, 1fr); }
.card-large { grid-column: span 2; grid-row: span 2; }
.tags { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.tags span {
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  color: var(--primary);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.88rem;
  font-weight: 600;
}

.section-alt { background: color-mix(in srgb, var(--secondary) 55%, transparent); }
.steps {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.steps article h3 { margin: 14px 0 6px; }
.steps article p { margin: 0; color: var(--muted-foreground); }
.step-num {
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700;
  color: var(--primary-foreground); background: var(--primary);
}

.four-col { grid-template-columns: repeat(4, 1fr); }

.about { background: var(--surface-offset); color: var(--surface-offset-foreground); }
.about .principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }
.about .principles p { display: flex; gap: 12px; margin: 0; font-size: 1.08rem; opacity: 0.95; }
.about .principles span {
  width: 30px; height: 30px; border-radius: 6px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--primary) 30%, transparent); color: var(--primary-foreground); font-weight: 700;
}
.about blockquote { margin: 44px 0 0; border-left: 4px solid color-mix(in srgb, var(--primary) 60%, transparent); padding-left: 16px; font-size: 1.3rem; font-style: italic; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.contact-form { display: grid; gap: 14px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
label { display: grid; gap: 8px; font-weight: 500; }
input, textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font: inherit;
  background: transparent;
  color: var(--foreground);
}
textarea { resize: vertical; min-height: 120px; }
a { color: var(--primary); }

.site-footer { padding: 50px 0; border-top: 1px solid var(--border); background: var(--card); }
.footer-top { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.footer-logo {
  height: 48px;
  max-width: min(78vw, 460px);
  margin-bottom: 10px;
  padding: 10px 16px;
  border-radius: 14px;
}
.site-footer nav { display: flex; gap: 16px; flex-wrap: wrap; }
.copyright { margin-top: 26px; border-top: 1px solid var(--border); padding-top: 16px; color: var(--muted-foreground); font-size: 0.95rem; }

@media (max-width: 980px) {
  .desktop-nav, .btn-desktop, .nav-actions .lang-switcher { display: none; }
  .mobile-only { display: inline-flex; }
  .lang-switcher.mobile-lang-switcher { display: inline-flex; }
  .logo { height: 30px; max-width: min(56vw, 300px); padding: 7px 12px; }
  .logo-grid { grid-template-columns: repeat(3, minmax(90px, 1fr)); }
  .services-grid { grid-template-columns: 1fr; }
  .card-large { grid-column: auto; grid-row: auto; }
  .steps, .four-col, .about .principles, .contact-grid, .row { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}