:root {
  --bg: #ffffff;
  --text: #171717;
  --muted: #666;
  --line: #e6e6e6;
  --panel: #f7f7f7;
  --dark: #111111;
  --accent: #45d6c4;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Cambria, Georgia, serif;
  background: var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 30;
  border-bottom: 1px solid rgba(230,230,230,.9);
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0;
}
.brand-logo { height: 48px; width: auto; }
.desktop-controls { display: flex; align-items: center; gap: 28px; }
.site-nav { display: flex; gap: 28px; font-size: 15px; color: var(--muted); }
.site-nav a:hover { color: var(--dark); }
.lang-switcher {
  display: flex; padding: 4px; border-radius: 18px;
  border: 1px solid var(--line); background: #fafafa;
}
.lang-btn {
  border: 0; background: transparent; cursor: pointer;
  padding: 10px 16px; border-radius: 14px; font: inherit;
}
.lang-btn.active { background: var(--dark); color: #fff; }
.hero-section {
  background:
    radial-gradient(circle at top left, rgba(69,214,196,.18), transparent 28%),
    radial-gradient(circle at right, rgba(33,33,33,.08), transparent 25%),
    linear-gradient(to bottom, #fff, #f7f7f7);
}
.hero-grid {
  display: grid; gap: 56px; grid-template-columns: 1.15fr .85fr;
  padding: 80px 0 112px;
}
.eyebrow, .section-label {
  display: inline-flex; width: fit-content;
  text-transform: uppercase; letter-spacing: .22em;
  font-size: 12px; color: #666; font-weight: 600;
}
.eyebrow {
  margin-bottom: 24px; padding: 10px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255,255,255,.8);
}
h1, h2, h3 { margin: 0; line-height: 1.12; }
h1 { font-size: clamp(40px, 5vw, 64px); max-width: 820px; }
h2 { font-size: clamp(34px, 3.4vw, 48px); }
h3 { font-size: 32px; }
.hero-copy p, .section-text { font-size: 18px; line-height: 1.8; color: var(--muted); margin: 24px 0 0; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 40px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; font: inherit;
  padding: 14px 24px; border-radius: 18px; transition: .2s ease;
}
.btn-primary { background: var(--dark); color: #fff; box-shadow: 0 16px 35px rgba(0,0,0,.12); }
.btn-secondary { border: 1px solid #cfcfcf; background: #fff; }
.btn-light { background: #fff; color: var(--dark); margin-top: 32px; }
.btn:hover { transform: translateY(-1px); }
.hero-side { display: grid; gap: 20px; }
.hero-card {
  border: 1px solid var(--line); background: #fff; border-radius: 32px;
  padding: 28px; box-shadow: 0 20px 60px rgba(20,20,20,.08);
}
.hero-card-inner {
  min-height: 310px; border-radius: 24px; padding: 24px;
  border: 1px solid rgba(255,255,255,.7); background: rgba(255,255,255,.72);
  display: flex; flex-direction: column; justify-content: space-between;
  background-image: linear-gradient(135deg, rgba(69,214,196,.16), rgba(20,20,20,.04)), linear-gradient(to bottom right, #fafafa, #ececec);
}
.hero-card-brand { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: #666; }
.hero-card-title { margin-top: 12px; max-width: 420px; font-size: 34px; font-weight: 600; }
.hero-card-text { max-width: 420px; color: var(--muted); line-height: 1.8; }
.stats-grid { display: grid; gap: 16px; grid-template-columns: repeat(3,1fr); }
.stat-box, .project-card, .service-card, .detail-card {
  border: 1px solid var(--line); background: #fff; border-radius: 28px; box-shadow: 0 6px 20px rgba(0,0,0,.04);
}
.stat-box { padding: 24px; }
.stat-value { font-size: 38px; font-weight: 600; }
.stat-label { color: var(--muted); margin-top: 8px; font-size: 15px; }
.section { padding: 96px 0; }
.section-muted { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.split-grid { display: grid; gap: 40px; grid-template-columns: 1.1fr .9fr; align-items: start; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 32px; padding: 32px; }
.bullet-list { display: grid; gap: 16px; }
.bullet-item {
  display: flex; gap: 16px; background: #fff; border-radius: 20px; padding: 20px; box-shadow: 0 4px 12px rgba(0,0,0,.04);
}
.bullet-index {
  width: 32px; height: 32px; border-radius: 50%; background: var(--dark); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-weight: 600; flex: 0 0 32px;
}
.section-head.small { max-width: 760px; }
.cards-3 { display: grid; gap: 24px; grid-template-columns: repeat(3, 1fr); margin-top: 56px; }
.cards-2 { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); margin-top: 32px; }
.service-card, .detail-card { padding: 32px; }
.service-icon {
  width: 48px; height: 48px; border-radius: 16px; background: var(--dark); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700;
}
.service-card h3, .project-card h3 { margin-top: 24px; font-size: 30px; }
.service-card p, .project-card p, .detail-card p { color: var(--muted); line-height: 1.8; }
.service-list { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); display: grid; gap: 8px; }
.service-list div { color: #666; line-height: 1.75; }
.project-media {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, rgba(69,214,196,.18), rgba(20,20,20,.05)), linear-gradient(to bottom right, #efefef, #fafafa);
  overflow: hidden;
}
.project-media img { width: 100%; height: 100%; object-fit: cover; }
.project-body { padding: 28px; }
.project-cat { font-size: 12px; text-transform: uppercase; letter-spacing: .2em; color: #999; font-weight: 600; }
.project-link { margin-top: 24px; display: inline-flex; gap: 8px; font-weight: 600; }
.detail-block {
  margin-top: 40px; border: 1px solid var(--line); background: var(--panel); border-radius: 32px; padding: 32px 40px;
}
.detail-card { padding: 24px; }
.detail-number { font-size: 14px; color: #999; font-weight: 600; }
.detail-text { margin-top: 8px; line-height: 1.7; }
.contact-wrap { padding-bottom: 96px; }
.contact-card {
  border: 1px solid var(--line); background: var(--dark); color: #fff; border-radius: 40px;
  box-shadow: 0 24px 70px rgba(15,15,15,.18); display: grid; gap: 40px; grid-template-columns: 1.1fr .9fr; padding: 40px 48px;
}
.inverted, .inverted-text { color: rgba(255,255,255,.72); }
.contact-grid { display: grid; gap: 16px; }
.contact-item {
  border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.05);
  border-radius: 28px; padding: 24px; display: flex; gap: 16px;
}
.contact-icon {
  width: 40px; height: 40px; border-radius: 16px; background: rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center; flex: 0 0 40px;
}
.contact-label { color: rgba(255,255,255,.55); font-size: 14px; }
.contact-value { margin-top: 8px; font-size: 18px; font-weight: 600; }
@media (max-width: 1024px) {
  .hero-grid, .split-grid, .contact-card, .cards-3, .cards-2 { grid-template-columns: 1fr; }
  .desktop-controls { gap: 16px; }
  .site-nav { display: none; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 32px, 1200px); }
  .header-inner { gap: 16px; }
  .desktop-controls { width: 100%; justify-content: flex-end; }
  .lang-btn { padding: 10px 12px; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero-section .container, .section .container { width: min(100% - 32px, 1200px); }
  .contact-card { padding: 32px 24px; }
  .detail-block { padding: 24px; }
}