:root {
  --ink: #eef4ff;
  --paper: #0d0624;
  --accent: #2fffe2;
  --surface: #19113c;
  --muted: #b8b0d6;
  --line: #514675;
  --radius: 18px;
  --card-shadow: 0 0 38px rgba(47,255,226,.14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper) url('/assets/images/pattern.svg'); color: var(--ink); font: 17px/1.72 system-ui, sans-serif; overflow-wrap: anywhere; }
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: .2em; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.site-header, .site-footer, main { width: min(1180px, calc(100% - 36px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.brand { font: 800 1.25rem/1.2 system-ui, sans-serif; letter-spacing: .03em; text-decoration: none; }
.site-menu { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.site-menu a, .site-footer a { font-weight: 700; }
.hero { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(32px, 6vw, 72px); align-items: center; min-height: 600px; padding: clamp(56px, 9vw, 104px) 0; }
.landing-hero { min-height: 480px; padding-block: clamp(44px, 7vw, 78px); }
.eyebrow, .section-kicker { display: block; margin-bottom: 14px; color: var(--muted); font: 800 .78rem/1.35 system-ui, sans-serif; letter-spacing: .14em; text-transform: uppercase; }
h1, h2 { margin: 0; font-family: system-ui, sans-serif; line-height: 1.08; text-wrap: balance; }
h1 { max-width: 15ch; font-size: clamp(2.8rem, 7vw, 6.5rem); letter-spacing: -.045em; }
h2 { font-size: clamp(1.45rem, 3vw, 2.4rem); letter-spacing: -.02em; }
p { margin: 0; }
.lead-copy, .article-lead { max-width: 64ch; margin-top: 24px; font-size: clamp(1.08rem, 2vw, 1.3rem); }
.cta { display: inline-flex; margin-top: 30px; padding: 13px 20px; border: 2px solid var(--ink); border-radius: var(--radius); background: var(--accent); color: #0d0624; font-weight: 800; text-decoration: none; box-shadow: var(--card-shadow); }
.hero-visual { margin: 0; }
.hero-visual img { width: 100%; max-height: 460px; object-fit: contain; filter: drop-shadow(0 0 35px rgba(47,255,226,.35)); }
.topic-navigation { display: block; margin: 0 0 clamp(48px, 8vw, 88px); padding: 20px 0; border-block: 1px solid var(--line); }
.topic-navigation ul, .article-index ul { display: flex; flex-wrap: wrap; gap: 12px 22px; margin: 0; padding: 0; list-style: none; }
.topic-navigation a, .article-index a { font-weight: 800; }
.content-section { padding: clamp(44px, 7vw, 84px) 0; }
.section-intro { display: grid; gap: 16px; max-width: 760px; margin-bottom: 32px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.landing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.feature-card { display: grid; align-content: start; gap: 18px; min-height: 240px; padding: clamp(22px, 3vw, 34px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--card-shadow); }
.process-section { border-top: 1px solid var(--line); }
.step-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.step-list li { display: grid; grid-template-columns: 72px 1fr; gap: 20px; padding: 26px 0; border-top: 1px solid var(--line); }
.step-list li div { display: grid; gap: 12px; }
.step-number { color: var(--muted); font-weight: 900; }
.editorial-aside, .landing-aside, .article-aside, .blog-aside { display: grid; gap: 18px; margin: clamp(40px, 7vw, 80px) 0; padding: clamp(26px, 5vw, 52px); border-inline-start: 6px solid var(--accent); border-radius: var(--radius); background: var(--surface); }
.generated-section { margin-block: 44px; }
.partner-section, .faq-block { margin-block: clamp(58px, 9vw, 104px); padding-top: 28px; border-top: 1px solid var(--line); }
.section-label { margin-bottom: 26px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.partner-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; }
.partner-placeholder { display: grid; place-items: center; gap: 12px; min-height: 150px; padding: 24px; border: 1px dashed var(--line); border-radius: var(--radius); background: var(--surface); color: var(--muted); text-align: center; }
.partner-placeholder > span:first-child { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; opacity: .55; }
.question-list { border-bottom: 1px solid var(--line); }
.question-list details { padding: 22px 0; border-top: 1px solid var(--line); }
.question-list summary { cursor: pointer; font-weight: 800; }
.question-list details p { max-width: 72ch; padding-top: 14px; color: var(--muted); }
.article-layout { display: grid; }
.article-page { width: min(820px, 100%); padding: clamp(52px, 8vw, 92px) 0; }
.article-header { margin-bottom: 42px; }
.article-navigation { margin-bottom: 54px; }
.article-section { display: grid; gap: 20px; margin-block: 48px; }
.article-list { display: grid; gap: 12px; margin: 0; padding-inline-start: 1.25rem; }
.numbered-list { padding-inline-start: 1.5rem; }
.article-faq { margin-bottom: 20px; }
.blog-header { display: grid; gap: 20px; padding: clamp(56px, 9vw, 100px) 0 36px; }
.blog-index-section { border-top: 1px solid var(--line); }
.article-index { min-height: 180px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.article-index ul { display: grid; gap: 0; }
.article-index li + li { border-top: 1px solid var(--line); }
.article-index a { display: block; padding: 16px 0; }
.site-footer { display: flex; justify-content: space-between; gap: 24px; margin-top: 72px; padding: 36px 0; border-top: 1px solid var(--line); }
.theme-01 .feature-card { border-width: 2px; }
.theme-02 .feature-card, .theme-02 .article-index { clip-path: polygon(0 0, 95% 0, 100% 14%, 100% 100%, 0 100%); }
.theme-03 .hero-visual img { border-radius: 50% 50% 12% 50%; }
.theme-04 .feature-card:nth-child(even) { border-radius: 30px 4px; }
.theme-05 .site-header, .theme-05 .partner-section, .theme-05 .faq-block { border-width: 5px; }
.theme-05 .feature-card, .theme-05 .article-index { border-width: 4px; }
.theme-06 .hero-visual img { border-radius: 60% 40% 55% 45%; }
.theme-07 .brand { letter-spacing: .22em; text-transform: uppercase; }
.theme-08 .feature-card:nth-child(odd) { transform: rotate(-1deg); }
.theme-08 .feature-card:nth-child(even) { transform: rotate(1deg); }
.theme-09 .site-header { display: grid; grid-template-columns: 1fr 2fr; }
.theme-09 h1 { line-height: .92; }
.theme-10 h1 { color: var(--accent); text-shadow: 0 0 24px rgba(47,255,226,.2); }
@media (max-width: 760px) {
  body { font-size: 16px; }
  .site-header, .site-footer { align-items: flex-start; flex-direction: column; }
  .theme-09 .site-header { display: flex; }
  .hero, .landing-hero { grid-template-columns: 1fr; min-height: auto; padding-block: 46px; }
  .hero-visual { order: -1; }
  .hero-visual img { max-height: 260px; }
  .feature-grid, .landing-grid, .partner-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .step-list li { grid-template-columns: 48px 1fr; }
  .topic-navigation ul { display: grid; gap: 10px; }
  .theme-08 .feature-card { transform: none; }
}
