:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0d0d12;
  color: #f2f1ed;
}
* { box-sizing: border-box; }
body { margin: 0; background: #0d0d12; color: #f2f1ed; }
a { color: inherit; }
button,input { font: inherit; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid #292934; background: rgb(13 13 18 / 94%); backdrop-filter: blur(12px); }
.site-header-inner,.page,.site-footer-inner { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header-inner { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 850; }
.brand-mark { display: grid; width: 36px; height: 36px; place-items: center; border-radius: 7px; background: #e34850; color: #fff; font-size: 12px; }
.brand span:last-child strong { color: #e34850; }
.site-nav { display: flex; align-items: center; gap: 16px; color: #a1a1af; font-size: 12px; font-weight: 700; }
.site-nav a { text-decoration: none; }
.site-nav a:hover { color: #fff; }
.page { padding: 48px 0 72px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 24px; color: #777787; font-size: 11px; }
.breadcrumbs a { text-decoration: none; }
.eyebrow { margin: 0 0 10px; color: #ef6b73; font-size: 11px; font-weight: 850; text-transform: uppercase; }
h1,h2 { margin: 0; letter-spacing: 0; }
h1 { max-width: 850px; font-size: clamp(34px, 7vw, 64px); line-height: 1.03; }
h2 { font-size: 20px; }
.lead { max-width: 760px; margin: 16px 0 0; color: #a4a4b1; font-size: 16px; line-height: 1.7; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.meta-chip { border: 1px solid #343443; border-radius: 5px; background: #181820; padding: 6px 9px; color: #bebec8; font-size: 10px; font-weight: 750; }
.lesson-layout { display: grid; grid-template-columns: minmax(0,1.55fr) minmax(280px,.75fr); gap: 28px; margin-top: 34px; }
.lesson-main,.lesson-side { display: grid; align-content: start; gap: 18px; }
.lesson-panel { border: 1px solid #2d2d39; border-radius: 8px; background: #15151d; padding: clamp(18px,3vw,28px); }
.lesson-panel p { color: #a0a0ad; line-height: 1.7; }
.technique-media { overflow: hidden; border: 1px solid #2d2d39; border-radius: 8px; background: #111117; }
.technique-media img { display: block; width: 100%; max-height: 620px; object-fit: contain; background: #f4f1eb; }
.technique-media.image-available { margin: 0; }
.technique-media.image-available figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 14px; padding: 10px 12px; color: #858594; font-size: 11px; line-height: 1.45; }
.technique-media.image-available figcaption a { color: #9bc8ff; }
.technique-media.image-available.review-pending { border-color: rgba(240,120,126,.42); }
.image-progress { display: grid; min-height: 260px; place-content: center; gap: 9px; padding: 28px; text-align: center; }
.image-progress strong { font-size: 18px; }
.image-progress span { color: #858594; font-size: 12px; }
.steps { display: grid; gap: 13px; margin: 18px 0 0; padding: 0; list-style: none; counter-reset: step; }
.steps li { display: grid; grid-template-columns: 30px minmax(0,1fr); gap: 12px; color: #c6c6cf; line-height: 1.6; counter-increment: step; }
.steps li::before { display: grid; width: 28px; height: 28px; place-items: center; border-radius: 50%; background: #292933; color: #f0787e; font-size: 11px; font-weight: 850; content: counter(step); }
.safety { border-left: 3px solid #e34850; background: #13131a; }
.source-list,.related-list { display: grid; gap: 9px; margin: 14px 0 0; padding: 0; list-style: none; }
.source-list a,.related-list a { color: #d8d8df; font-size: 12px; text-decoration: none; }
.source-list a:hover,.related-list a:hover { color: #f0787e; }
.primary-action { display: grid; min-height: 44px; place-items: center; border-radius: 6px; background: #e34850; color: #fff; font-size: 12px; font-weight: 850; text-decoration: none; }
.primary-action:hover { background: #ee5961; }
.secondary-action { display: grid; min-height: 40px; place-items: center; border: 1px solid #3b3b49; border-radius: 6px; color: #c7c7d0; font-size: 11px; font-weight: 750; text-decoration: none; }
.lesson-panel .primary-action + .secondary-action,.lesson-panel .secondary-action + .secondary-action { margin-top: 8px; }
.catalog-header { display: grid; gap: 16px; }
.catalog-search { width: min(100%,520px); height: 44px; border: 1px solid #373746; border-radius: 6px; background: #15151d; color: #fff; padding: 0 12px; outline: 0; }
.catalog-search:focus { border-color: #e34850; box-shadow: 0 0 0 3px rgb(227 72 80 / 14%); }
.catalog-summary { color: #858594; font-size: 11px; }
.technique-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin-top: 28px; }
.technique-card { display: grid; min-height: 142px; align-content: space-between; gap: 16px; border: 1px solid #2d2d39; border-radius: 8px; background: #15151d; padding: 17px; text-decoration: none; }
.technique-card:hover { border-color: #515164; background: #1b1b24; }
.technique-card strong { display: block; font-size: 16px; }
.technique-card p { margin: 6px 0 0; color: #818190; font-size: 11px; line-height: 1.5; }
.technique-card span { color: #ef737a; font-size: 10px; font-weight: 800; }
.site-footer { border-top: 1px solid #292934; }
.site-footer-inner { display: flex; justify-content: space-between; gap: 16px; padding: 24px 0; color: #747484; font-size: 10px; }
@media (max-width: 820px) { .lesson-layout { grid-template-columns: 1fr; } .technique-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (max-width: 560px) { .site-header-inner { align-items: flex-start; flex-direction: column; padding: 12px 0; } .site-nav { width: 100%; justify-content: space-between; } .page { padding-top: 30px; } .technique-grid { grid-template-columns: 1fr; } .site-footer-inner { flex-direction: column; } }