/* =========================================================
   NeuroKod — Editorial CSS · v1.0
   Базовый слой: переменные, типографика, утилиты,
   header, footer. Используется на всех editorial-страницах.
   ========================================================= */

:root {
  /* Палитра */
  --bg: #FAF8F3;
  --surface: #F0EBE0;
  --surface-warm: #FBF8F2;
  --ink: #141414;
  --ink-2: #5C5A55;
  --ink-3: #8C887F;
  --hairline: #D9D3C4;
  --accent: #5B4FCF;
  --accent-soft: #EDEBFA;
  --highlight: #E8DDB5;
  --success: #2D6A4F;
  --danger: #B33A3A;

  /* Тёмная цитата/CTA-блок */
  --ink-bg: #141414;
  --on-ink: #FAF8F3;

  /* Типографика */
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: ui-monospace, 'SFMono-Regular', 'Roboto Mono', Consolas, monospace;

  /* Радиусы — минимальные, editorial не любит скруглений */
  --r-1: 2px;
  --r-2: 6px;

  /* Контейнер */
  --maxw: 1280px;
  --maxw-prose: 720px;
  --maxw-narrow: 560px;

  /* Тени — практически нет, только hairline */
  --shadow-soft: 0 1px 0 var(--hairline);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

@media (max-width: 720px) {
  body { font-size: 16px; line-height: 1.5; }
}

img, picture, video, svg { max-width: 100%; display: block; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--ink);
  font-variation-settings: "opsz" 96;
}

h1 {
  font-size: clamp(40px, 6vw, 80px);
  font-variation-settings: "opsz" 144;
  letter-spacing: -0.025em;
}
h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-variation-settings: "opsz" 96;
  line-height: 1.1;
}
h3 {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 500;
  font-variation-settings: "opsz" 36;
  line-height: 1.2;
}
h4 {
  font-size: 20px;
  font-weight: 500;
  font-variation-settings: "opsz" 24;
}
h5 { font-size: 17px; font-weight: 600; font-variation-settings: "opsz" 18; }
h6 { font-size: 15px; font-weight: 600; font-variation-settings: "opsz" 14; text-transform: uppercase; letter-spacing: 0.06em; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s;
}
a:hover { color: var(--accent); }

strong, b { font-weight: 600; }
em { font-style: italic; }

ul, ol { padding-left: 1.4em; margin: 0 0 1em; }
li { margin-bottom: 0.4em; }

blockquote {
  margin: 1.5em 0;
  padding: 0.5em 0 0.5em 1.2em;
  border-left: 3px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.1em;
  color: var(--ink);
  font-variation-settings: "opsz" 24;
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--surface);
  padding: 0.15em 0.4em;
  border-radius: var(--r-1);
}

pre {
  font-family: var(--mono);
  background: var(--ink-bg);
  color: var(--on-ink);
  padding: 20px 24px;
  border-radius: var(--r-2);
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.55;
  margin: 1.5em 0;
}
pre code { background: transparent; padding: 0; color: inherit; }

hr { border: 0; border-top: 1px solid var(--hairline); margin: 2em 0; }

::selection { background: var(--highlight); color: var(--ink); }

/* ===== LAYOUT ===== */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}
.container-prose { max-width: var(--maxw-prose); margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: var(--maxw-narrow); margin: 0 auto; padding: 0 32px; }

@media (max-width: 720px) {
  .container, .container-prose, .container-narrow { padding: 0 20px; }
}

/* ===== UTILITIES ===== */
.eyebrow {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-2);
}

.lede {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
  font-variation-settings: "opsz" 24;
}

.hairline { border: 0; border-top: 1px solid var(--hairline); }

.text-muted { color: var(--ink-2); }
.text-accent { color: var(--accent); }
.text-center { text-align: center; }

.italic-serif { font-family: var(--serif); font-style: italic; font-weight: 300; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  padding: 14px 24px;
  border-radius: var(--r-1);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  line-height: 1;
}
.btn-primary {
  background: var(--ink);
  color: var(--on-ink);
  border-color: var(--ink);
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--on-ink); text-decoration: none; }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-secondary:hover { background: var(--ink); color: var(--on-ink); text-decoration: none; }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: transparent;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 14px 8px;
}
.btn-ghost:hover { color: var(--accent); }

/* ===== BADGE ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  background: var(--surface);
  color: var(--ink-2);
  border-radius: var(--r-1);
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 243, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.site-header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-header .brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}
.site-header .brand sup {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  vertical-align: super;
}
.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.site-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a.active { color: var(--ink); }

.site-header .btn-primary {
  padding: 10px 18px;
  font-size: 14px;
}

@media (max-width: 900px) {
  .site-header-inner { padding: 12px 20px; gap: 12px; }
  .site-nav { display: none; }
}

/* ===== FOOTER ===== */
.site-footer {
  border-top: 1px solid var(--hairline);
  margin-top: 120px;
  padding: 48px 0 32px;
}
.site-footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}
.site-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.site-footer-col h4 {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  margin-bottom: 16px;
}
.site-footer-col ul { list-style: none; padding: 0; margin: 0; }
.site-footer-col li { margin-bottom: 10px; font-size: 15px; }
.site-footer-col a { color: var(--ink); text-decoration: none; }
.site-footer-col a:hover { color: var(--accent); }
.site-footer-about {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.4;
  font-variation-settings: "opsz" 18;
  max-width: 360px;
}
.site-footer-meta {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--ink-2);
}
@media (max-width: 720px) {
  .site-footer { margin-top: 80px; padding: 32px 0 24px; }
  .site-footer-inner { padding: 0 20px; }
  .site-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .site-footer-about { font-size: 16px; }
}

/* =========================================================
   COURSE / LANDING PAGES (claude-code.html, n8n-claude-code.html, courses.html)
   ========================================================= */

.course-page { padding: 40px 0 64px; }

.course-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.back-link:hover { color: var(--accent); }

.help-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--hairline);
  color: var(--ink-2);
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 500;
  font-variation-settings: "opsz" 18;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.help-btn:hover { border-color: var(--ink); color: var(--ink); }

.auth-header { display: flex; align-items: center; gap: 12px; }
.auth-header-btn {
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: var(--r-1);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}
.auth-header-btn:hover { border-color: var(--ink); background: var(--ink); color: var(--on-ink); text-decoration: none; }
.auth-header-user { display: flex; align-items: center; gap: 12px; }
.auth-header-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  font-family: var(--serif);
  font-variation-settings: "opsz" 18;
}

.course-page-title {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.05;
  font-variation-settings: "opsz" 96;
  color: var(--ink);
  margin-bottom: 48px;
  max-width: 900px;
}

/* Modules */
.module { margin-bottom: 40px; }
.module-title {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hairline);
}
.module-title .module-name {
  color: var(--ink);
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  font-variation-settings: "opsz" 24;
  margin-left: 8px;
}

.lessons-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.lesson-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--hairline);
  text-decoration: none;
  color: var(--ink);
  transition: background 0.15s, padding 0.15s;
}
.lesson-item:first-child { border-top: 1px solid var(--hairline); }
.lesson-item:hover { background: var(--surface); padding-left: 12px; padding-right: 12px; }
.lesson-icon { flex-shrink: 0; color: var(--accent); }
.lesson-item span { font-size: 16px; }
.lesson-item.advanced .lesson-icon { color: var(--success); }
.lesson-item.locked { opacity: 0.55; cursor: not-allowed; }
.lesson-item.locked:hover { background: transparent; padding-left: 0; padding-right: 0; }

/* Tuning lesson (специальный формат с изображением) */
.tuning-lesson {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--hairline);
  text-decoration: none;
  color: var(--ink);
}
.tuning-lesson img {
  width: 64px; height: 64px;
  object-fit: cover;
  border: 1px solid var(--hairline);
  border-radius: var(--r-1);
  flex-shrink: 0;
}
.tuning-lesson span { font-size: 16px; }

/* Access Notice */
.access-notice {
  text-align: center;
  font-size: 14px;
  color: var(--ink-2);
  margin: 48px 0;
  padding: 20px;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.access-notice a { color: var(--accent); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }

/* =========================================================
   COURSES.HTML (страница с тремя курсами + selling-blocks)
   ========================================================= */

/* Старый header (.container > .header) */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--hairline);
}

.main-title {
  font-family: var(--serif);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.05;
  font-variation-settings: "opsz" 120;
  color: var(--ink);
  margin-bottom: 16px;
  max-width: 900px;
}
.subtitle {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 300;
  font-variation-settings: "opsz" 24;
  color: var(--ink-2);
  margin-bottom: 64px;
  max-width: 600px;
}

.section { padding: 0 0 64px; }
.section-title {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  margin-bottom: 24px;
}
.section-label {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}
.section-desc {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 18px;
  font-variation-settings: "opsz" 18;
  color: var(--ink-2);
}

.index-courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
}
.index-course-card {
  padding: 32px 28px;
  border: 1px solid var(--hairline);
  background: var(--bg);
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.index-course-card:hover {
  background: var(--surface);
  border-color: var(--ink);
}
.index-course-card::after {
  content: '→';
  position: absolute;
  bottom: 24px;
  right: 28px;
  font-size: 22px;
  color: var(--ink-2);
  transition: color 0.15s, transform 0.15s;
}
.index-course-card:hover::after { color: var(--accent); transform: translateX(4px); }

.index-card-icon {
  display: inline-block;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 20px;
  padding: 0;
  background: none;
  width: auto;
  height: auto;
}
.index-card-icon::before { content: ''; display: none; }
.index-card-icon svg { display: none; }
.index-course-card:nth-of-type(1) .index-card-icon::after { content: 'Курс I'; }
.index-course-card:nth-of-type(2) .index-card-icon::after { content: 'Курс II'; }
.index-course-card:nth-of-type(3) .index-card-icon::after { content: 'Курс III'; }
.index-course-card .index-card-icon { font-size: 0; }
.index-course-card .index-card-icon::after { font-size: 11px; }

.index-course-card h3 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  font-variation-settings: "opsz" 48;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.index-course-card p {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.55;
  margin-bottom: 24px;
  flex: 1;
}
.index-lessons-count {
  font-size: 13px;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.index-lessons-count svg { color: var(--accent); }

@media (max-width: 900px) {
  .index-courses-grid { grid-template-columns: 1fr; gap: 12px; }
  .index-course-card { padding: 24px 22px; }
  .index-course-card::after { bottom: 22px; right: 22px; }
}

/* ===== SELL-* (selling blocks для неоплативших) ===== */
.sell-section { padding: 80px 0; max-width: 960px; margin: 0 auto; text-align: center; }
.sell-label {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 14px;
  display: block;
}
.sell-heading {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  font-variation-settings: "opsz" 96;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.sell-desc {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 300;
  font-variation-settings: "opsz" 18;
  color: var(--ink-2);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.5;
}

.sell-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  text-align: left;
  border-top: 1px solid var(--ink);
}
.sell-step {
  padding: 32px 24px 32px 0;
  border-right: 1px solid var(--hairline);
}
.sell-step:not(:first-child) { padding-left: 24px; }
.sell-step:last-child { border-right: 0; padding-right: 0; }
.sell-step-num {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 20px;
  font-variation-settings: "opsz" 72;
}
.sell-step h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  font-variation-settings: "opsz" 24;
  margin-bottom: 12px;
}
.sell-step p {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.55;
}
@media (max-width: 900px) {
  .sell-steps { grid-template-columns: 1fr; }
  .sell-step { border-right: 0; border-bottom: 1px solid var(--hairline); padding: 24px 0; }
  .sell-step:not(:first-child) { padding-left: 0; }
  .sell-step:last-child { border-bottom: 0; }
}

.sell-ba {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 760px;
  margin: 0 auto;
  text-align: left;
}
.sell-before, .sell-after { padding: 32px 0; }
.sell-before { border-top: 2px solid var(--danger); }
.sell-after { border-top: 2px solid var(--success); }
.sell-ba-label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.sell-before .sell-ba-label { color: var(--danger); }
.sell-after .sell-ba-label { color: var(--success); }
.sell-before ul, .sell-after ul { list-style: none; padding: 0; margin: 0; }
.sell-before li, .sell-after li {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.4;
}
.sell-before li svg { color: var(--danger); flex-shrink: 0; margin-top: 4px; }
.sell-after li svg { color: var(--success); flex-shrink: 0; margin-top: 4px; }
@media (max-width: 720px) {
  .sell-ba { grid-template-columns: 1fr; gap: 16px; }
}

.sell-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
  text-align: left;
}
.sell-result {
  padding: 28px 24px 28px 0;
  border-right: 1px solid var(--hairline);
}
.sell-result:not(:first-child) { padding-left: 24px; }
.sell-result:last-child { border-right: 0; padding-right: 0; }
.sell-result:nth-child(n+4) { border-top: 1px solid var(--hairline); padding-top: 28px; }
.sell-result-icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: var(--r-1);
  margin-bottom: 16px;
}
.sell-result h3 {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
  font-variation-settings: "opsz" 18;
  margin-bottom: 8px;
}
.sell-result p {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.55;
}
@media (max-width: 900px) {
  .sell-results { grid-template-columns: 1fr; }
  .sell-result { border-right: 0; padding: 24px 0; border-bottom: 1px solid var(--hairline); }
  .sell-result:not(:first-child) { padding-left: 0; }
  .sell-result:nth-child(n+4) { border-top: 0; padding-top: 24px; }
  .sell-result:last-child { border-bottom: 0; }
}

/* ===== PRICING (для courses.html) ===== */
.pricing-full { max-width: 560px; margin: 0 auto; }
.pricing-card.recommended {
  border: 1px solid var(--ink);
  padding: 40px 32px;
  background: var(--bg);
}
.pricing-name {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  margin-bottom: 8px;
}
.pricing-subtitle {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 300;
  font-variation-settings: "opsz" 18;
  color: var(--ink-2);
  margin-bottom: 24px;
}
.pricing-price {
  font-family: var(--serif);
  font-size: 64px !important;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
  margin-bottom: 4px;
  font-variation-settings: "opsz" 144;
}
.pricing-price span { font-size: 28px; color: var(--ink-2); margin-left: 4px; }
.pricing-note {
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 24px;
}
.pricing-divider { height: 1px; background: var(--hairline); margin: 24px 0; border: 0; }
.pricing-features { list-style: none; padding: 0; margin-bottom: 28px; }
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  margin: 0;
}
.pricing-features .check { color: var(--success); flex-shrink: 0; margin-top: 3px; }
.pricing-btn {
  width: 100%;
  padding: 16px;
  background: var(--ink);
  color: var(--on-ink);
  border: 1px solid var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--r-1);
  transition: background 0.15s;
}
.pricing-btn.primary:hover { background: var(--accent); border-color: var(--accent); }
.pricing-guarantee {
  text-align: center;
  font-size: 13px;
  color: var(--ink-2);
  margin-top: 16px;
}

.guarantee-block {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  margin: 32px 0;
}
.guarantee-block svg { color: var(--success); flex-shrink: 0; }
.guarantee-block p { font-size: 14px; color: var(--ink-2); margin: 0; }

.upgrade-link { color: var(--accent); font-weight: 500; }

/* ===== Старый .badge перекрашиваем ===== */
.badge {
  background: var(--ink);
  color: var(--on-ink);
}

/* ===== Старый .footer (для not-yet-migrated страниц) ===== */
.footer:not(.site-footer) {
  border-top: 1px solid var(--hairline);
  padding: 24px 20px 20px;
  margin-top: 64px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.footer-trust { display: flex; justify-content: center; margin-bottom: 12px; }
.trust-logo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-2);
  text-decoration: none;
}
.trust-logo svg { color: var(--success); width: 14px; height: 14px; }
.footer-content {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
  font-size: 12px;
}
.footer-content .social-link {
  color: var(--ink-3);
  display: inline-flex;
  width: 14px;
  height: 14px;
}
.footer-content .social-link svg { width: 14px; height: 14px; }
.footer-content .social-link:hover { color: var(--accent); }
.copyright { font-size: 12px; color: var(--ink-3); white-space: nowrap; }
@media (max-width: 480px) {
  .footer:not(.site-footer) { padding: 20px 16px; }
  .footer-content { gap: 8px; }
  .copyright { font-size: 11px; }
}

/* =========================================================
   LESSON PAGES (lessons/*.html)
   ========================================================= */

.lesson-page {
  padding: 40px 0 96px;
  max-width: var(--maxw);
  margin: 0 auto;
}

.lesson-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 48px;
  padding: 0 32px 24px;
  border-bottom: 1px solid var(--hairline);
}
@media (max-width: 720px) {
  .lesson-header { padding: 0 20px 20px; margin-bottom: 32px; }
}

.lesson-title {
  font-family: var(--serif);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 400;
  font-variation-settings: "opsz" 120;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--ink);
  padding: 0 32px;
  margin-bottom: 16px;
  max-width: 900px;
}
@media (max-width: 720px) { .lesson-title { padding: 0 20px; } }

.lesson-meta {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  padding: 0 32px;
  margin-bottom: 32px;
}
@media (max-width: 720px) { .lesson-meta { padding: 0 20px; } }

.lesson-divider {
  height: 1px;
  background: var(--hairline);
  margin: 0 32px 48px;
}
@media (max-width: 720px) { .lesson-divider { margin: 0 20px 32px; } }

.lesson-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
}
.lesson-content p { margin: 0 0 1.2em; color: var(--ink); }
.lesson-content > p:last-child { margin-bottom: 0; }
@media (max-width: 720px) {
  .lesson-content { padding: 0 20px; font-size: 16px; }
}

/* Intro */
.intro-text {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 22px !important;
  line-height: 1.45 !important;
  color: var(--ink) !important;
  font-variation-settings: "opsz" 24;
  margin-bottom: 16px !important;
}
.intro-highlight {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 22px !important;
  color: var(--accent) !important;
  font-variation-settings: "opsz" 24;
  margin-bottom: 40px !important;
}

/* Lesson section */
.lesson-section { margin: 64px 0; }
.lesson-section:first-of-type { margin-top: 32px; }
.section-heading {
  font-family: var(--serif);
  font-size: clamp(20px, 3.2vw, 28px);
  font-weight: 400;
  font-variation-settings: "opsz" 48;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 24px;
  padding-top: 40px;
  border-top: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.section-heading svg { color: var(--accent); flex-shrink: 0; }
@media (max-width: 720px) {
  .lesson-section { margin: 48px 0; }
  .section-heading { padding-top: 28px; margin-bottom: 18px; }
}

.section-subtitle {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 19px;
  color: var(--ink-2);
  font-variation-settings: "opsz" 18;
  margin-bottom: 24px;
}
.section-intro {
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 16px;
}

.description-text { color: var(--ink); }

/* Image inside lesson */
.code-image {
  margin: 32px 0;
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: 12px;
}
.code-image .main-image, .main-image {
  width: 100%;
  height: auto;
  display: block;
  border: 0;
}

/* Info block — editorial выноска */
.info-block {
  margin: 32px 0;
  padding: 20px 24px;
  background: #EFE8D2;
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--r-2) var(--r-2) 0;
  font-size: 16px;
  line-height: 1.55;
}
.info-block.purple { border-left-color: var(--accent); background: #ECE5F2; }
.info-block.orange { border-left-color: var(--danger); background: #F5E6E0; }
.info-block.blue { border-left-color: #3B82C7; background: #E0EAF2; }
.info-block.green { border-left-color: var(--success); background: #DDEAE0; }
.info-block-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.info-icon { font-size: 18px; }
.info-title {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}
.info-block p { font-size: 16px; color: var(--ink); margin: 0 0 0.8em; }
.info-block p:last-child { margin-bottom: 0; }

/* Tariffs */
.tariffs-title {
  font-weight: 600;
  font-size: 14px;
  margin: 16px 0 8px !important;
  color: var(--ink);
}
.tariffs-list { padding-left: 1.2em; font-size: 15px; }
.tariffs-list li { margin-bottom: 6px; }
.tariff-note {
  font-style: italic;
  font-size: 14px !important;
  color: var(--ink-2);
  margin-top: 12px !important;
}

/* Feature lists */
.feature-group { margin: 32px 0; }
.feature-group h3.feature-title,
.lesson-content h3.feature-title,
.feature-title {
  font-family: var(--sans) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--ink-2) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.1em !important;
  letter-spacing: 0.1em;
  margin: 0 0 14px !important;
  font-variation-settings: normal !important;
  line-height: 1.4;
}
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.feature-list li {
  padding: 8px 0 8px 24px;
  position: relative;
  font-size: 16px;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline);
  margin: 0;
}
.feature-list li:last-child { border-bottom: 0; }
.feature-list li::before {
  content: '·';
  position: absolute;
  left: 8px;
  color: var(--accent);
  font-weight: 700;
}

/* Numbered list (.numbered-item — span.number + .numbered-content) */
.numbered-item, .numbered {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin: 28px 0;
  padding: 24px 0;
  border-top: 1px solid var(--hairline);
}
.numbered-item .number, .numbered .number {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  min-width: 48px;
  font-variation-settings: "opsz" 48;
  display: block;
}
.numbered-content { flex: 1; min-width: 0; }
.numbered-content h4 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
  font-variation-settings: "opsz" 24;
  margin: 0 0 8px;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.015em;
}
.numbered-content p { font-size: 15px; color: var(--ink-2); margin: 0 0 0.8em; line-height: 1.55; }
.numbered-content p:last-child { margin-bottom: 0; }
.numbered-content ul, .numbered-content ol { margin-top: 8px; }
@media (max-width: 720px) {
  .numbered-item, .numbered { gap: 14px; padding: 18px 0; }
  .numbered-item .number, .numbered .number { font-size: 28px; min-width: 36px; }
  .numbered-content h4 { font-size: 18px; }
}

/* Highlight */
.highlight-link, .highlight-text {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 19px;
  color: var(--accent);
  text-align: center;
  padding: 16px 0;
  font-variation-settings: "opsz" 24;
}

/* Next steps */
.next-steps-list {
  list-style: none;
  padding: 0;
  margin: 16px 0;
  counter-reset: steps;
}
.next-steps-list li {
  counter-increment: steps;
  padding: 14px 0 14px 56px;
  position: relative;
  border-bottom: 1px solid var(--hairline);
  font-size: 16px;
  color: var(--ink);
  margin: 0;
}
.next-steps-list li:last-child { border-bottom: 0; }
.next-steps-list li::before {
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-2);
  letter-spacing: 0.04em;
}

/* Lesson nav grid — prev + next кнопки */
.lesson-nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 64px 32px 0;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.lesson-nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--ink);
  background: var(--bg);
  text-decoration: none !important;
  color: var(--ink) !important;
  transition: background 0.15s;
  min-height: 64px;
}
.lesson-nav-item:hover { background: var(--ink); color: var(--bg) !important; }
.lesson-nav-item:hover .lesson-nav-label { color: rgba(250,248,243,0.6); }
.lesson-nav-item:hover .lesson-nav-title { color: var(--bg); }
.lesson-nav-item svg { flex-shrink: 0; color: var(--ink); }
.lesson-nav-item:hover svg { color: var(--bg); }
.lesson-nav-item.prev { justify-content: flex-start; }
.lesson-nav-item.next { justify-content: flex-end; text-align: right; }
.lesson-nav-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}
.lesson-nav-item.next .lesson-nav-text { align-items: flex-end; }
.lesson-nav-label {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  line-height: 1;
}
.lesson-nav-title {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 500;
  font-variation-settings: "opsz" 24;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.25;
}
@media (max-width: 720px) {
  .lesson-nav-grid { margin: 40px 20px 0; gap: 12px; }
  .lesson-nav-item { padding: 12px 14px; min-height: 56px; }
  .lesson-nav-title { font-size: 13px; }
}

/* Single next lesson navigation */
.next-lesson-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 64px 32px 0;
  padding: 18px 24px;
  border: 1px solid var(--ink);
  text-decoration: none;
  background: var(--bg);
  transition: background 0.15s;
  max-width: 720px;
}
.lesson-content + .next-lesson-nav, .lesson-page > .next-lesson-nav { margin-left: auto; margin-right: auto; }
.next-lesson-nav:hover { background: var(--ink); color: var(--bg); }
.next-lesson-nav:hover .next-lesson-title { color: var(--bg); }
.next-lesson-nav:hover .next-lesson-label { color: rgba(250, 248, 243, 0.6); }
.next-lesson-label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  display: block;
  margin-bottom: 2px;
}
.next-lesson-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  font-variation-settings: "opsz" 24;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.next-lesson-arrow {
  flex-shrink: 0;
  font-size: 20px;
  color: var(--ink);
  margin-left: auto;
}
@media (max-width: 720px) {
  .next-lesson-nav { margin: 40px 20px 0; padding: 14px 18px; }
  .next-lesson-title { font-size: 16px; }
  .next-lesson-label { font-size: 10px; }
}

/* Code blocks inside lessons */
.lesson-content pre {
  background: var(--ink-bg);
  color: var(--on-ink);
  padding: 20px 24px;
  border-radius: var(--r-2);
  overflow-x: auto;
  margin: 1.5em 0;
  font-size: 14px;
  line-height: 1.6;
}
.lesson-content code:not(pre code) {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--surface);
  padding: 0.15em 0.4em;
  border-radius: var(--r-1);
  color: var(--ink);
}

/* Lesson images at large width */
.lesson-content img:not(.main-image) {
  margin: 24px 0;
  border: 1px solid var(--hairline);
}

/* =========================================================
   BLOG INDEX (blog/index.html) — лента статей
   ========================================================= */

.blog-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 40px 0 64px;
  border-top: 1px solid var(--ink);
}

.blog-card {
  display: flex !important;
  flex-direction: row !important;
  align-items: stretch;
  background: transparent !important;
  border: 0 !important;
  border-bottom: 1px solid var(--hairline) !important;
  border-radius: 0 !important;
  text-decoration: none !important;
  color: var(--ink) !important;
  padding: 24px 0;
  transition: background 0.15s, padding 0.15s;
  transform: none !important;
}
.blog-card:hover {
  background: var(--surface) !important;
  border-color: var(--hairline) !important;
  padding-left: 16px;
  padding-right: 16px;
  transform: none !important;
}

.blog-card-img {
  width: 180px !important;
  min-width: 180px !important;
  height: 120px !important;
  object-fit: cover !important;
  border-radius: var(--r-1) !important;
  border: 1px solid var(--hairline);
  flex-shrink: 0;
  display: block;
}

.blog-card-body {
  padding: 0 0 0 24px !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  flex: 1;
  min-width: 0;
}

.blog-card-tag {
  display: inline-block !important;
  padding: 0 !important;
  background: transparent !important;
  border: 0 !important;
  color: var(--accent) !important;
  font-family: var(--sans);
  font-size: 11px !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 10px !important;
  width: auto !important;
}

.blog-card-title {
  font-family: var(--serif);
  font-size: 22px !important;
  font-weight: 500 !important;
  font-variation-settings: "opsz" 28;
  color: var(--ink) !important;
  margin-bottom: 8px !important;
  line-height: 1.2 !important;
  letter-spacing: -0.015em;
}

.blog-card-desc {
  color: var(--ink-2) !important;
  font-size: 14px !important;
  line-height: 1.5 !important;
  margin-bottom: 12px !important;
}

.blog-card-meta {
  color: var(--ink-3) !important;
  font-size: 12px !important;
  letter-spacing: 0.04em;
}

@media (max-width: 720px) {
  .blog-card { flex-direction: column !important; padding: 20px 0; }
  .blog-card:hover { padding-left: 0; padding-right: 0; }
  .blog-card-img { width: 100% !important; min-width: 0 !important; height: auto !important; aspect-ratio: 16/9; margin-bottom: 16px; }
  .blog-card-body { padding: 0 !important; }
  .blog-card-title { font-size: 19px !important; }
}

/* =========================================================
   BLOG ARTICLE (blog/*.html) — шаблон статьи
   ========================================================= */

.article-container {
  max-width: 720px !important;
  margin: 0 auto !important;
  padding: 0 24px !important;
}
@media (max-width: 720px) { .article-container { padding: 0 20px !important; } }

.article-header {
  margin-top: 48px !important;
  margin-bottom: 40px !important;
}

.article-meta {
  display: flex !important;
  align-items: center !important;
  gap: 14px !important;
  margin-bottom: 24px !important;
  flex-wrap: wrap !important;
  font-size: 13px;
  color: var(--ink-2);
}

.article-tag {
  display: inline-block !important;
  padding: 0 !important;
  background: transparent !important;
  border: 0 !important;
  color: var(--accent) !important;
  font-family: var(--sans);
  font-size: 12px !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.article-date {
  color: var(--ink-2) !important;
  font-size: 13px !important;
  letter-spacing: 0.02em;
}

.article-h1 {
  font-family: var(--serif) !important;
  font-size: clamp(36px, 5.5vw, 56px) !important;
  font-weight: 400 !important;
  font-variation-settings: "opsz" 120 !important;
  color: var(--ink) !important;
  line-height: 1.05 !important;
  letter-spacing: -0.025em !important;
  margin-bottom: 20px !important;
}

.article-lead {
  font-family: var(--serif) !important;
  font-weight: 300 !important;
  font-size: 22px !important;
  color: var(--ink) !important;
  line-height: 1.45 !important;
  font-variation-settings: "opsz" 24 !important;
}

.article-hero {
  width: 100% !important;
  height: auto !important;
  border-radius: 0 !important;
  border: 1px solid var(--hairline);
  margin-bottom: 48px !important;
  display: block;
}

.article-body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink) !important;
}
.article-body p {
  color: var(--ink) !important;
  font-size: 17px !important;
  line-height: 1.65 !important;
  margin-bottom: 1.2em !important;
}
.article-body h2 {
  font-family: var(--serif) !important;
  font-size: clamp(26px, 3.6vw, 36px) !important;
  font-weight: 400 !important;
  font-variation-settings: "opsz" 72 !important;
  color: var(--ink) !important;
  letter-spacing: -0.02em !important;
  line-height: 1.15 !important;
  margin: 56px 0 20px !important;
  padding-top: 32px !important;
  border-top: 1px solid var(--hairline) !important;
}
.article-body h3 {
  font-family: var(--serif) !important;
  font-size: 22px !important;
  font-weight: 500 !important;
  font-variation-settings: "opsz" 24 !important;
  color: var(--ink) !important;
  letter-spacing: -0.015em !important;
  margin: 32px 0 12px !important;
}
.article-body ul, .article-body ol {
  margin: 0 0 1.2em 1.4em !important;
  color: var(--ink) !important;
}
.article-body li { margin-bottom: 0.4em !important; color: var(--ink) !important; }
.article-body a {
  color: var(--accent) !important;
  text-decoration: underline !important;
  text-underline-offset: 3px !important;
}
.article-body img {
  width: 100%;
  height: auto;
  margin: 32px 0;
  border: 1px solid var(--hairline);
}
.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 20px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 20px;
  font-variation-settings: "opsz" 24;
  color: var(--ink) !important;
  margin: 32px 0;
}
.article-body code:not(pre code) {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--surface);
  padding: 0.15em 0.4em;
  border-radius: var(--r-1);
  color: var(--ink) !important;
}
.article-body pre {
  background: var(--ink-bg);
  color: var(--on-ink) !important;
  padding: 20px 24px;
  border-radius: var(--r-2);
  overflow-x: auto;
  margin: 32px 0;
  font-size: 14px;
  line-height: 1.6;
}
.article-body pre code { background: transparent; color: inherit !important; padding: 0; }
.article-body strong, .article-body b { font-weight: 600; color: var(--ink) !important; }

/* CTA-блоки внутри статей */
.article-cta {
  background: var(--surface) !important;
  border: 0 !important;
  border-left: 3px solid var(--accent) !important;
  border-radius: 0 !important;
  padding: 28px !important;
  margin: 48px 0 !important;
  color: var(--ink) !important;
}
.article-cta h3 { margin-top: 0 !important; color: var(--ink) !important; }
.article-cta p { color: var(--ink) !important; }
.article-cta a { color: var(--accent) !important; }

/* ===== PRINT ===== */
@media print {
  .site-header, .site-footer, .nav-cta, .btn { display: none; }
  body { background: white; color: black; }
}