/* Shared base for English scenario pages */
:root {
  --bg: #fefefe;
  --surface: #f6f6f4;
  --surface-2: #eeedea;
  --border: #e5e5e3;
  --border-strong: #d4d4d0;
  --text: #0a0a0a;
  --text-muted: #525252;
  --text-subtle: #737373;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --yellow: #fde68a;
  --green: #10b981;
  --persona: #2563eb;
  --persona-deep: #1d4ed8;
  --persona-light: #dbeafe;
  --persona-surface: #eff6ff;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.08);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Lora', Georgia, serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--text); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 880px; margin: 0 auto; padding: 0 24px; }

/* NAV */
.nav { position: sticky; top: 0; z-index: 100; backdrop-filter: saturate(180%) blur(14px); background: rgba(254,254,254,0.85); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: -0.01em; }
.logo-mark { width: 28px; height: 28px; background: url(../assets/logo.png) center/cover no-repeat; border-radius: 8px; }
.nav-links { display: flex; gap: 32px; font-size: 14px; color: var(--text-muted); }
.nav-links a { transition: color 0.15s; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 12px; font-size: 14px; }
.lang-switch { color: var(--text-muted); font-size: 13px; padding: 6px 10px; border-radius: 6px; }
.lang-switch:hover { background: var(--surface); }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 18px; border-radius: 10px; font-weight: 600; font-size: 14px; transition: transform 0.1s, background 0.15s; white-space: nowrap; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--text); color: white; }
.btn-primary:hover { background: #1a1a1a; }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); }
.btn-persona { background: var(--persona); color: white; }
.btn-persona:hover { background: var(--persona-deep); }

/* BREADCRUMB */
.breadcrumb { padding: 24px 0 0; font-size: 13px; font-family: var(--font-mono); color: var(--text-subtle); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb .sep { margin: 0 8px; }

/* HERO */
.hero { padding: 48px 0 64px; position: relative; }
.hero-inner { max-width: 880px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 4px 12px; background: var(--persona-surface); border: 1px solid var(--persona-light); border-radius: 100px; font-size: 12px; font-weight: 500; color: var(--persona-deep); font-family: var(--font-mono); letter-spacing: -0.01em; margin-bottom: 24px; }
.hero h1 { font-size: clamp(36px, 5.5vw, 64px); font-weight: 800; letter-spacing: -0.035em; line-height: 1.06; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--persona); font-weight: 700; }
.hero-sub { font-size: 19px; color: var(--text-muted); max-width: 680px; line-height: 1.55; margin-bottom: 28px; }
.hero-meta { display: flex; gap: 24px; font-size: 13px; color: var(--text-subtle); font-family: var(--font-mono); flex-wrap: wrap; }

/* SECTION */
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-label { font-size: 12px; font-family: var(--font-mono); font-weight: 500; color: var(--persona); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; }
.section-title { font-size: clamp(28px, 3.5vw, 40px); font-weight: 800; letter-spacing: -0.028em; line-height: 1.1; margin-bottom: 16px; }
.section-title em { font-style: normal; color: var(--persona); font-weight: 700; }
.section-desc { font-size: 17px; color: var(--text-muted); line-height: 1.55; max-width: 720px; }

/* USECASE BLOCKS */
.use-block { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; padding: 48px 0; border-bottom: 1px solid var(--border); }
.use-block:last-child { border-bottom: none; }
.use-block.reversed { grid-template-columns: 1.1fr 1fr; }
.use-block.reversed .use-visual { order: -1; }
.use-tag { display: inline-block; padding: 4px 10px; background: var(--persona-surface); color: var(--persona-deep); font-size: 12px; font-weight: 600; font-family: var(--font-mono); border-radius: 4px; margin-bottom: 16px; }
.use-title { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 16px; }
.use-desc { font-size: 16px; color: var(--text-muted); line-height: 1.65; margin-bottom: 20px; }
.use-list { list-style: none; padding: 0; }
.use-list li { padding: 10px 0 10px 24px; position: relative; font-size: 15px; color: var(--text-muted); line-height: 1.55; }
.use-list li::before { content: '→'; position: absolute; left: 0; color: var(--persona); font-weight: 700; }
.use-list li strong { color: var(--text); }
.use-visual { background: var(--persona-surface); border: 1px solid var(--persona-light); border-radius: 16px; padding: 28px; position: relative; overflow: hidden; min-height: 340px; }

/* QUOTE */
.quote-card { background: white; border: 1px solid var(--border); border-left: 3px solid var(--persona); border-radius: 12px; padding: 24px; margin-top: 24px; }
.quote-text { font-family: var(--font-serif); font-size: 16px; line-height: 1.65; color: var(--text); margin-bottom: 16px; font-style: italic; }
.quote-author { display: flex; align-items: center; gap: 12px; }
.quote-avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, #94a3b8, #475569); display: flex; align-items: center; justify-content: center; color: white; font-weight: 700; font-size: 14px; }
.quote-name { font-size: 14px; font-weight: 600; }
.quote-role { font-size: 12px; color: var(--text-subtle); font-family: var(--font-mono); }
.quote-source { margin-top: 10px; font-size: 11px; color: var(--text-subtle); font-family: var(--font-mono); }
.quote-source a { color: var(--persona); }

/* COMPARE TABLE */
.compare { background: var(--surface); border-radius: 16px; overflow: hidden; border: 1px solid var(--border); margin-top: 32px; }
.compare-row { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); border-bottom: 1px solid var(--border); }
.compare-row:last-child { border-bottom: none; }
.compare-row.head { background: white; font-weight: 700; font-size: 13px; color: var(--text); }
.compare-cell { padding: 16px 18px; font-size: 14px; color: var(--text-muted); border-right: 1px solid var(--border); }
.compare-cell:last-child { border-right: none; }
.compare-cell.feat { color: var(--text); font-weight: 500; }
.compare-cell.yes { color: var(--green); font-weight: 700; }
.compare-cell.no { color: #dc2626; }
.compare-cell.partial { color: #d97706; }
.compare-cell.us { background: var(--persona-surface); color: var(--persona-deep); font-weight: 700; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
.faq-item { padding: 24px 0; border-bottom: 1px solid var(--border); }
.faq-q { font-size: 17px; font-weight: 600; margin-bottom: 10px; color: var(--text); }
.faq-a { font-size: 15px; color: var(--text-muted); line-height: 1.65; }

/* CTA */
.cta-section { padding: 96px 0; background: var(--text); color: white; text-align: center; }
.cta-section h2 { font-size: clamp(32px, 4vw, 48px); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 20px; }
.cta-section h2 em { font-style: normal; color: #60a5fa; font-weight: 700; }
.cta-section p { font-size: 17px; color: rgba(255,255,255,0.7); margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-buttons .btn-primary { background: white; color: var(--text); padding: 14px 24px; font-size: 15px; }
.cta-buttons .btn-primary:hover { background: #f1f5f9; }
.cta-buttons .btn-secondary { background: transparent; color: white; border: 1px solid rgba(255,255,255,0.3); padding: 14px 24px; font-size: 15px; }

/* FOOTER */
footer { padding: 64px 0 32px; background: var(--surface); border-top: 1px solid var(--border); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; font-size: 13px; color: var(--text-subtle); font-family: var(--font-mono); }
.footer-scenarios { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-scenarios a { color: var(--text-muted); }
.footer-scenarios a:hover { color: var(--text); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .use-block, .use-block.reversed { grid-template-columns: 1fr; gap: 32px; }
  .use-block.reversed .use-visual { order: 0; }
  .compare-row { grid-template-columns: 1.5fr 1fr 1fr; }
  .compare-cell:nth-child(5), .compare-cell:nth-child(4) { display: none; }
  .compare-row.head .compare-cell:nth-child(5), .compare-row.head .compare-cell:nth-child(4) { display: none; }
  .nav-links { display: none; }
}
h1,h2,h3{text-wrap:balance}
