:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --line: #dbe3ef;
  --brand: #2563eb;
  --brand-dark: #1e3a8a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 85% 5%, #dbeafe 0, transparent 34%), var(--bg);
}

a { color: inherit; text-decoration: none; }
img { width: 100%; display: block; }

.container { width: min(1080px, 92%); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  background: rgba(245, 247, 251, 0.85);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}

.topbar {
  min-height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em; }

.lang-switch {
  display: flex;
  gap: 8px;
  background: #eef2f9;
  padding: 6px;
  border-radius: 999px;
}

.lang-btn {
  border: 0;
  background: transparent;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 700;
  color: #64748b;
  cursor: pointer;
}

.lang-btn.active {
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.08);
}

.hero { padding: 56px 0 24px; }

.hero-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: stretch;
}

.hero-copy,
.hero-art {
  display: flex;
  flex-direction: column;
}

.hero-banner {
  background: #ffffffcc;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--brand-dark);
  font-weight: 700;
}

h1 {
  margin: 8px 0 12px;
  font-size: clamp(2rem, 5.6vw, 3.1rem);
  line-height: 1.03;
  max-width: 15ch;
}

.sub { margin: 0; color: var(--muted); max-width: 58ch; }

.hero-dots {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 0;
  background: #bfdbfe;
  padding: 0;
  cursor: pointer;
}

.dot.active { background: var(--brand); }

.hero-cta { display: flex; gap: 12px; margin: 18px 0; flex-wrap: wrap; }

.btn {
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  display: inline-flex;
  border: 1px solid transparent;
}

.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-ghost { background: var(--panel); border-color: var(--line); }

.impact-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.impact-strip span {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  text-align: center;
  font-weight: 600;
  font-size: 0.92rem;
}

.hero-art { gap: 14px; }

.statement-card {
  border: 2px dashed #93c5fd;
  background: #eff6ff;
  border-radius: 16px;
  padding: 14px;
  text-align: center;
}

.hero-visual-frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  min-height: 360px;
  height: 100%;
}

.hero-visual-frame img {
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.statement-top { margin: 0; font-weight: 700; color: #334155; }
.statement-mid { margin: 2px 0; font-size: 1.4rem; font-weight: 800; }
.highlight { color: var(--brand-dark); }

.quick-grid { padding: 16px 0; }

.quick-grid .container {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.quick-grid article,
.features .container,
.cta-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

h2 { margin: 0 0 8px; font-size: 1.2rem; }
p { margin: 0; color: var(--muted); line-height: 1.55; }

.features { padding: 10px 0 20px; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.chips span {
  padding: 8px 12px;
  border-radius: 999px;
  background: #eff6ff;
  color: var(--brand-dark);
  font-weight: 600;
  font-size: 0.9rem;
}

.steps {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.cta { padding: 0 0 52px; }

.cta-box {
  text-align: center;
  background: linear-gradient(130deg, #eaf2ff, #ffffff 55%);
}

.cta-box h2 { margin-bottom: 14px; font-size: clamp(1.2rem, 2.6vw, 1.85rem); }

@media (max-width: 900px) {
  .hero-wrap,
  .quick-grid .container { grid-template-columns: 1fr; }

  .impact-strip { grid-template-columns: 1fr; }
  .hero-banner,
  .hero-visual-frame,
  .hero-visual-frame img {
    min-height: auto;
    height: auto;
  }
}