/* global design tokens - modern premium palette */
:root {
  --ink: #1a1a2e;
  --paper: #ffffff;
  --muted: #8b8b8b;
  --line: #e8e8e8;
  --accent: #6366f1;
  --accent-2: #ec4899;
  --accent-3: #06b6d4;
  --accent-ink: #ffffff;
  --bg: #fafafe;
  --topbar-bg: rgba(255, 255, 255, 0.98);
  --pill-bg: #f0f0ff;
  --soft-bg: #f8f8fc;
  --media-photo-bg: #ede9fe;
  --input-bg: #ffffff;
  --code-bg: #f5f3ff;
  --editor-bg: #ffffff;
  --code-ink: #1a1a2e;
  --alert-bg: #fef3c7;
  --alert-ink: #92400e;
  --on-dark: #ffffff;
  --surface-shadow: 0 4px 20px rgba(99, 102, 241, 0.1);
  --surface-shadow-soft: 0 2px 8px rgba(99, 102, 241, 0.05);

  /* glassmorphism - enhanced blur */
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(99, 102, 241, 0.2);
  --glass-shadow: 0 12px 48px rgba(99, 102, 241, 0.12);

  /* spacing scale */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-xxl: 64px;
}

:root[data-theme="dark"] {
  --ink: #f5f5f5;
  --paper: #0f0f23;
  --muted: #a0a0a0;
  --line: #2a2a3e;
  --accent: #818cf8;
  --accent-2: #f472b6;
  --accent-3: #22d3ee;
  --accent-ink: #0f0f23;
  --bg: #0a0a14;
  --topbar-bg: rgba(15, 15, 35, 0.98);
  --pill-bg: #1a1a35;
  --soft-bg: #15151f;
  --media-photo-bg: #2a2a4e;
  --input-bg: #0f0f23;
  --code-bg: #1a1a35;
  --editor-bg: #0f0f23;
  --code-ink: #f5f5f5;
  --alert-bg: #3f3f0a;
  --alert-ink: #fde047;

  /* glassmorphism for dark theme */
  --glass-bg: rgba(15, 15, 35, 0.15);
  --glass-border: rgba(129, 140, 248, 0.2);
  --glass-shadow: 0 12px 48px rgba(99, 102, 241, 0.15);
}

/* Светлая главная в духе спокойных edtech-поверхностей (референс: чистый UI, чёрный CTA, зелёный акцент) */
html[data-theme="light"] body {
  --ink: #1a1a1a;
  --muted: rgba(26, 26, 26, 0.55);
  --line: #e5e5e5;
  --accent: #000000;
  --accent-2: #02b341;
  --accent-3: #02ca8d;
  --accent-ink: #ffffff;
  --bg: #ffffff;
  --paper: #ffffff;
  --topbar-bg: #ffffff;
  --pill-bg: #f5f5f5;
  --soft-bg: #fafafa;
  --media-photo-bg: #e8f5ec;
  --input-bg: #ffffff;
  --code-bg: #f6f6f6;
  --editor-bg: #ffffff;
  --surface-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --surface-shadow-soft: 0 1px 3px rgba(0, 0, 0, 0.06);
  --glass-bg: #ffffff;
  --glass-border: #ebebeb;
  --glass-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;
  letter-spacing: -0.011em;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", "SF Pro Display", "SF Pro Text", "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px clamp(20px, 4vw, 72px);
  position: sticky;
  top: 0;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 100;
  flex-wrap: nowrap;
  overflow: visible;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease;
  flex-shrink: 0;
}

.brand:hover {
  opacity: 0.9;
}

.logo {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.2));
  transition: filter 0.3s ease;
}

.brand:hover .logo {
  filter: drop-shadow(0 8px 20px rgba(236, 72, 153, 0.3));
}

html[data-theme="light"] .logo.logo-edu {
  filter: none;
}

html[data-theme="light"] .brand:hover .logo.logo-edu {
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.12));
}

.brand-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.brand-sub {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  flex: 1 1 auto;
  gap: 4px;
  min-width: 0;
  max-width: 600px;
  margin: 0 8px;
  padding: 5px;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
}

.nav::-webkit-scrollbar {
  display: none;
}

.nav a {
  margin: 0;
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.01em;
  opacity: 0.88;
  position: relative;
  padding: 7px 10px;
  border-radius: 6px;
  white-space: nowrap;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.nav a:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
  opacity: 1;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.nav a:hover::after {
  transform: scaleX(1);
}

.nav a.active-menu {
  opacity: 1;
  font-weight: 600;
  color: var(--on-dark);
  background: linear-gradient(180deg, #0b1323 0%, #040915 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.nav a.active-menu::after {
  transform: scaleX(1);
  background: linear-gradient(90deg, rgba(255, 220, 120, 0.95), transparent);
}

:root[data-theme="dark"] .nav {
  background: rgba(18, 23, 34, 0.84);
}

:root[data-theme="dark"] .home-practicum .topbar {
  background: rgba(18, 23, 34, 0.9);
}

.cta {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  flex: 0 1 auto;
  flex-shrink: 0;
}

button, .button {
  border: none;
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: var(--accent-ink);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
}

.primary:hover {
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.ghost {
  background: transparent;
  border: 1.5px solid var(--accent);
  color: var(--accent);
}

.ghost:hover {
  background: rgba(99, 102, 241, 0.08);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

:root[data-theme="dark"] .ghost {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

:root[data-theme="dark"] .ghost:hover {
  background: rgba(129, 140, 248, 0.15);
}

button:hover,
.button:hover {
  opacity: 0.9;
}

.small {
  padding: 8px 16px;
  font-size: 14px;
}

/* liquid morphing effect */
.liquid-morph-element {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.35);
  transform-origin: center;
  transition: border-radius 0.4s ease, transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.liquid-morph-element::before {
  content: "";
  position: absolute;
  inset: -50%;
  pointer-events: none;
  background: conic-gradient(
    from 0deg at 50% 50%,
    rgba(255, 255, 255, 0.15) 0deg,
    rgba(255, 255, 255, 0.35) 90deg,
    rgba(255, 255, 255, 0.15) 180deg,
    transparent 270deg,
    rgba(255, 255, 255, 0.15) 360deg
  );
  opacity: 0;
  transform: rotate(0deg) scale(0.8);
  transition: opacity 0.6s ease, transform 0.8s ease;
  z-index: -1;
}

.liquid-morph-element:hover {
  border-radius: 20px;
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5);
}

.liquid-morph-element:hover::before {
  opacity: 1;
  transform: rotate(180deg) scale(1.2);
}

.liquid-morph-element::after {
  display: none;
}

.liquid-morph-element:hover,
.liquid-morph-element:focus-visible {
  border-radius: 8px;
  transform: translateY(-1px) rotate(-1.4deg);
  border-color: rgba(139, 233, 255, 0.72);
  box-shadow: 0 14px 30px rgba(10, 26, 62, 0.42);
}

.liquid-morph-element:hover::before,
.liquid-morph-element:focus-visible::before {
  opacity: 1;
  transform: translateY(0) scale(1) rotate(0deg);
}

.shell {
  padding: 54px clamp(20px, 4vw, 72px) 96px;
  max-width: 1360px;
  margin: 0 auto;
  width: 100%;
}

.page-title {
  margin-bottom: 24px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl);
  border: 1.5px solid var(--glass-border);
  border-radius: 20px;
  background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(236, 72, 153, 0.04) 100%);
  backdrop-filter: blur(35px);
  -webkit-backdrop-filter: blur(35px);
  box-shadow: var(--glass-shadow);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero::before {
    --pointer-x: 50%;
    --pointer-y: 50%;
  }
}

.hero > * {
  position: relative;
  z-index: 1;
}

.pill {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 14px;
}

h1 {
  font-size: 48px;
  line-height: 1.1;
  margin-bottom: 18px;
  letter-spacing: -0.6px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 28px;
  letter-spacing: -0.2px;
  color: var(--ink);
}

.lead {
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.hero-stats {
  display: flex;
  gap: 32px;
}

.stat-value {
  font-size: 26px;
  font-weight: 700;
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
}

.hero-right {
  display: grid;
  gap: 12px;
}

.hero-media {
  background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(129, 140, 248, 0.05) 100%);
  border: 1.5px solid rgba(99, 102, 241, 0.25);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.1);
  transition: all 0.3s ease;
}

.hero-media:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 50px rgba(99, 102, 241, 0.2);
}

.media-label {
  font-weight: 700;
  margin-bottom: 4px;
}

.media-sub {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 12px;
}

.media-photo {
  height: 180px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 24% 28%, rgba(255, 255, 255, 0.34), transparent 34%),
    linear-gradient(135deg, var(--media-photo-bg) 0%, rgba(133, 151, 184, 0.8) 100%);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 13px;
  position: relative;
  overflow: hidden;
}

.media-photo::after {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  right: -40px;
  top: -30px;
  background: rgba(255, 255, 255, 0.26);
  filter: blur(1px);
  animation: photoOrb 11s ease-in-out infinite alternate;
}

:root[data-theme="dark"] .media-photo {
  background:
    radial-gradient(circle at 24% 28%, rgba(210, 224, 255, 0.15), transparent 34%),
    linear-gradient(135deg, #253554 0%, #1a2439 100%);
}

.hero-card {
  background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(129, 140, 248, 0.05) 100%);
  padding: 20px;
  border-radius: 16px;
  border: 1.5px solid rgba(99, 102, 241, 0.25);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.1);
  transition: all 0.3s ease;
}

.hero-card:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 50px rgba(99, 102, 241, 0.2);
}

.card-title {
  font-weight: 700;
  margin-bottom: 12px;
}

.card-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.card-progress {
  margin-top: 16px;
}

.bar {
  height: 6px;
  background: var(--soft-bg);
  border-radius: 999px;
}

.bar-fill {
  height: 100%;
  background: var(--accent-ink);
  border-radius: 999px;
}

.bar-text {
  font-size: 12px;
  margin-top: 6px;
  color: var(--muted);
}

.code-sample {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 12px;
  border-radius: 10px;
  font-family: "Courier New", Courier, monospace;
  margin-bottom: 12px;
}

.code-line {
  font-size: 12px;
}

.grid {
  display: grid;
  gap: 22px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel, .course-card {
  background: var(--paper);
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: var(--surface-shadow-soft);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.panel:hover,
.course-card:hover,
.hero-media:hover,
.hero-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--surface-shadow);
  border-color: rgba(255, 213, 74, 0.34);
}

.panel-title {
  font-weight: 700;
  margin-bottom: 12px;
}

details.panel {
  padding: 0;
}

details.panel > summary.panel-title {
  list-style: none;
  cursor: pointer;
  padding: 18px;
  margin: 0;
}

details.panel > summary.panel-title::-webkit-details-marker {
  display: none;
}

details.panel[open] > summary.panel-title {
  border-bottom: 1px solid var(--line);
}

.curriculum-list {
  padding: 12px 18px 18px;
  display: grid;
  gap: 6px;
}

.curriculum-list a.meta {
  text-decoration: none;
  color: var(--ink);
}

.curriculum-list a.meta:hover,
.curriculum-list a.curriculum-lesson-link:hover {
  color: var(--accent-2);
}

.curriculum-lesson-link {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.curriculum-level-summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.plus-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(2, 179, 65, 0.12);
  color: #027a32;
  border: 1px solid rgba(2, 179, 65, 0.35);
  vertical-align: middle;
}

.lesson-paywall {
  margin-top: 24px;
  padding: 20px 22px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--soft-bg);
  box-shadow: var(--surface-shadow-soft);
}

.lesson-paywall h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.lesson-paywall p {
  color: var(--muted);
  margin-bottom: 14px;
  font-size: 15px;
  line-height: 1.5;
}

.lesson-plus-lock-panel {
  grid-column: 1 / -1;
  padding: 14px 16px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: var(--pill-bg);
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.5;
}

.lesson-plus-lock-panel p {
  margin: 0 0 8px;
}

.lesson-plus-lock-panel p:last-child {
  margin-bottom: 0;
}

.lesson-content h2,
.lesson-content h3,
.lesson-content h4 {
  margin: 12px 0 8px;
}

.lesson-content p {
  margin: 6px 0;
}

.lesson-content ul {
  padding-left: 18px;
  margin: 6px 0;
}

.lesson-sources {
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(99, 102, 241, 0.06);
}

.lesson-sources-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.lesson-sources-list {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.45;
}

.lesson-sources-list a {
  color: var(--accent);
}

.forum-compose input,
.forum-compose textarea {
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 10px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.search {
  display: flex;
  gap: 8px;
}

input, textarea {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--input-bg);
  color: var(--ink);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--input-bg);
  color: var(--ink);
  margin-bottom: 12px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--pill-bg);
  font-size: 12px;
  margin-bottom: 8px;
}

.meta {
  font-size: 12px;
  color: var(--muted);
  margin: 8px 0;
}

.list {
  list-style: disc;
  padding-left: 18px;
}

.editor {
  background: var(--editor-bg);
  color: var(--code-ink);
  padding: 14px;
  border-radius: 10px;
  font-family: "Courier New", Courier, monospace;
  min-height: 160px;
  width: 100%;
}

.soft-panel {
  margin-top: 12px;
  background: var(--bg);
}

.lesson-progress-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.review-list {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.review-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: var(--paper);
  display: grid;
  gap: 4px;
}

.review-item span {
  color: var(--muted);
  font-size: 12px;
}

.review-passed {
  border-color: rgba(29, 148, 82, 0.35);
}

.review-failed {
  border-color: rgba(194, 58, 58, 0.35);
}

.notification-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: var(--paper);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.question-block + .question-block {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.score-passed {
  color: #1a8f4b;
}

.score-needs_work {
  color: #b57d00;
}

.score-rejected {
  color: #c64141;
}

.video-placeholder {
  background: var(--code-bg);
  color: white;
  padding: 22px;
  border-radius: 14px;
  margin-bottom: 12px;
}

.answers {
  display: grid;
  gap: 10px;
  margin: 12px 0;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.footer {
  display: flex;
  justify-content: space-between;
  padding: 26px clamp(20px, 4vw, 72px);
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.footer-links a {
  margin-left: 12px;
  text-decoration: none;
  color: var(--ink);
}

.auth-status {
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--muted);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 8px;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-size: 12px;
  color: var(--ink);
}

.chip.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.home-practicum .topbar,
html[data-theme="light"] .topbar {
  top: 0;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 14px clamp(20px, 4vw, 64px);
  border-radius: 0;
  border: none;
  border-bottom: 1px solid var(--line);
  box-shadow: none;
  background: var(--topbar-bg);
}

html[data-theme="light"] .topbar {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.home-practicum .shell.home-shell {
  padding-top: 40px;
}

.home-practicum::before,
.home-practicum::after {
  display: none;
}

.home-practicum .nav {
  max-width: 980px;
  justify-content: center;
  background: rgba(255, 255, 255, 0.76);
}

.home-practicum .nav::-webkit-scrollbar {
  display: none;
}

.home-practicum .nav::before {
  display: none;
}

.home-practicum .nav > a {
  font-size: 13px;
  padding: 8px 11px;
  flex: 0 0 auto;
}

.home-practicum .nav > a.active-menu {
  background: linear-gradient(180deg, #0b1323 0%, #040915 100%);
  color: var(--on-dark);
}

.nav.nav-practicum {
  max-width: 1120px;
  justify-content: flex-start;
  gap: 10px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.nav.nav-practicum > a,
.nav.nav-practicum .nav-trigger {
  font-size: 16px;
  line-height: 1.25;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: rgba(0, 0, 0, 0.85);
  opacity: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.nav.nav-practicum > a::after,
.nav.nav-practicum .nav-trigger::after,
.nav.nav-practicum .nav-panel-item::after {
  display: none;
}

.nav.nav-practicum > a:hover,
.nav.nav-practicum .nav-trigger:hover {
  background: rgba(0, 0, 0, 0.04);
  transform: none;
}

.nav.nav-practicum > a.active-menu,
.nav.nav-practicum .nav-trigger.active-menu,
.nav.nav-practicum .nav-dropdown.is-open .nav-trigger {
  color: #000000;
  background: rgba(0, 0, 0, 0.06);
  border-color: transparent;
  box-shadow: none;
}

.nav.nav-practicum .nav-dropdown {
  position: relative;
  flex: 0 0 auto;
}

.nav.nav-practicum .nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: inherit;
  font-weight: 500;
}

.nav.nav-practicum .nav-chevron {
  width: 12px;
  height: 12px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-3px);
  transition: transform 0.2s ease;
}

.nav.nav-practicum .nav-dropdown.is-open .nav-chevron {
  transform: rotate(-135deg) translateY(-2px);
}

.nav.nav-practicum .nav-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: min(40vw, 420px);
  max-height: min(62vh, 360px);
  overflow-y: auto;
  padding: 8px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.04);
  display: grid;
  gap: 4px;
  z-index: 30;
}

.nav.nav-practicum .nav-panel[hidden] {
  display: none !important;
}

.nav.nav-practicum .nav-dropdown:last-child .nav-panel {
  left: auto;
  right: 0;
}

.nav.nav-practicum .nav-panel-courses {
  width: min(36vw, 380px);
}

.nav.nav-practicum .nav-panel-item {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  text-decoration: none;
  opacity: 1;
  font-size: 15px;
  line-height: 1.3;
  font-weight: 500;
  background: transparent;
  color: var(--ink);
  transition: background-color 0.15s ease;
}

.nav.nav-practicum .nav-panel-item:hover {
  background: var(--pill-bg);
  transform: none;
}

:root[data-theme="dark"] .nav.nav-practicum > a,
:root[data-theme="dark"] .nav.nav-practicum .nav-trigger {
  color: #e7ebf4;
}

:root[data-theme="dark"] .nav.nav-practicum > a:hover,
:root[data-theme="dark"] .nav.nav-practicum .nav-trigger:hover,
:root[data-theme="dark"] .nav.nav-practicum > a.active-menu,
:root[data-theme="dark"] .nav.nav-practicum .nav-trigger.active-menu,
:root[data-theme="dark"] .nav.nav-practicum .nav-dropdown.is-open .nav-trigger {
  color: #e7ebf4;
  background: #1f2738;
  border-color: #2f3b55;
}

:root[data-theme="dark"] .nav.nav-practicum .nav-panel {
  background: #151c2b;
  border-color: #2a3450;
}

:root[data-theme="dark"] .nav.nav-practicum .nav-panel-item {
  color: #e7ebf4;
  background: #10192a;
}

:root[data-theme="dark"] .nav.nav-practicum .nav-panel-item:hover {
  background: #0d1523;
}

.hero-kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.practicum-hero {
  grid-template-columns: 1.2fr 0.8fr;
  border-radius: 20px;
  padding: clamp(28px, 4vw, 48px);
  border-color: var(--line);
  box-shadow: var(--surface-shadow-soft);
}

html[data-theme="light"] .home-practicum .practicum-hero,
html[data-theme="light"] .home-practicum .hero.practicum-hero {
  background: var(--paper);
  border: 1px solid var(--line);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

html[data-theme="light"] .home-practicum .practicum-hero::after {
  display: none;
}

.home-practicum .practicum-hero::before {
  opacity: 0.06;
}

.practicum-hero h1 {
  font-size: clamp(36px, 4.2vw, 56px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 860px;
}

html[data-theme="light"] .home-practicum .practicum-hero .lead {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
  max-width: 640px;
}

/* CTA в духе тёмной первичной кнопки */
html[data-theme="light"] .button.primary,
html[data-theme="light"] a.button.primary {
  background: #000000;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  border-radius: 12px;
}

html[data-theme="light"] .button.primary:hover,
html[data-theme="light"] a.button.primary:hover {
  opacity: 0.92;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}

html[data-theme="light"] .liquid-morph-element {
  background: #000000 !important;
  border: none !important;
  border-radius: 12px !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

html[data-theme="light"] .liquid-morph-element::before {
  display: none;
}

html[data-theme="light"] .liquid-morph-element:hover,
html[data-theme="light"] .liquid-morph-element:focus-visible {
  transform: translateY(-2px);
  border-radius: 12px !important;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}

html[data-theme="light"] .button.ghost,
html[data-theme="light"] a.button.ghost {
  border: 1.5px solid rgba(0, 0, 0, 0.22);
  color: #000000;
  background: transparent;
  border-radius: 12px;
}

html[data-theme="light"] .button.ghost:hover,
html[data-theme="light"] a.button.ghost:hover {
  background: rgba(0, 0, 0, 0.04);
  box-shadow: none;
}

.home-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.home-cat {
  text-decoration: none;
  color: var(--ink);
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.home-cat.active,
.home-cat:hover {
  background: var(--pill-bg);
  transform: translateY(-1px);
}

html[data-theme="light"] .home-practicum .home-cat.active {
  border-color: var(--accent-2);
  background: rgba(2, 179, 65, 0.08);
  color: #000000;
}

.home-directions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.direction-card {
  text-decoration: none;
  color: var(--ink);
  border: 1.5px solid rgba(99, 102, 241, 0.2);
  border-radius: 14px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0%, rgba(129, 140, 248, 0.03) 100%);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.08);
  transition: all 0.3s ease;
  display: grid;
  gap: 4px;
}

.direction-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.7) 0%, rgba(129, 140, 248, 0.08) 100%);
}

html[data-theme="light"] .home-practicum .direction-card {
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

html[data-theme="light"] .home-practicum .direction-card:hover {
  transform: translateY(-2px);
  border-color: #d0d0d0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  background: var(--paper);
}

html[data-theme="light"] .home-practicum .direction-card strong {
  font-weight: 600;
}

html[data-theme="light"] .home-practicum .direction-card span {
  color: var(--muted);
  font-size: 14px;
}

.home-showcase,
.home-metrics {
  border-radius: 16px;
  border-color: #e7e9ee;
  box-shadow: 0 8px 22px rgba(18, 24, 36, 0.06);
}

html[data-theme="light"] .home-practicum .hero-media,
html[data-theme="light"] .home-practicum .home-showcase {
  background: var(--soft-bg);
  border: 1px solid var(--line);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

html[data-theme="light"] .home-practicum .hero-media:hover {
  border-color: #d4d4d4;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.08);
}

html[data-theme="light"] .home-practicum .media-photo {
  background: linear-gradient(145deg, #e8f5ec 0%, #d2ebe2 55%, #c5e6d5 100%);
  color: rgba(0, 0, 0, 0.45);
}

html[data-theme="light"] .home-practicum .hero-kicker {
  color: #02b341;
  letter-spacing: 0.1em;
}

.home-showcase .button {
  margin-top: 6px;
}

.home-ticker {
  margin-top: 4px;
}

.home-free {
  margin: 30px 0;
}

.home-free-body {
  border: 1.5px solid rgba(99, 102, 241, 0.25);
  border-radius: 22px;
  padding: 26px;
  background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(129, 140, 248, 0.05) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.1);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  transition: all 0.3s ease;
}

.home-free-body:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 50px rgba(99, 102, 241, 0.15);
}

html[data-theme="light"] .home-practicum .home-free-body {
  border: 1px solid var(--line);
  background: var(--soft-bg);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.05);
}

html[data-theme="light"] .home-practicum .home-free-body:hover {
  border-color: #d8d8d8;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.07);
}

.home-free-body h2 {
  margin-bottom: 10px;
}

.home-free-body .lead {
  font-size: 16px;
}

.home-free-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.home-free-card {
  min-height: 120px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.44), transparent 35%),
    linear-gradient(135deg, var(--media-photo-bg) 0%, rgba(140, 157, 188, 0.86) 100%);
  padding: 12px;
  font-weight: 600;
  color: #1c2434;
  display: flex;
  align-items: flex-end;
}

a.home-free-card {
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

a.home-free-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(22, 26, 34, 0.12);
  border-color: rgba(99, 102, 241, 0.35);
}

html[data-theme="light"] .home-practicum a.home-free-card:hover {
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
}

:root[data-theme="dark"] .home-free-card {
  color: #eef4ff;
  background:
    radial-gradient(circle at 18% 20%, rgba(191, 212, 255, 0.2), transparent 35%),
    linear-gradient(135deg, #2b3c5f 0%, #1f2b44 100%);
}

.home-benefits {
  margin-top: 6px;
}

.catalog-shell {
  max-width: 1460px;
}

.catalog-hero {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper);
  padding: 26px;
  margin-bottom: 14px;
  box-shadow: var(--surface-shadow-soft);
}

.catalog-hero h1 {
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.06;
  max-width: 940px;
}

.catalog-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  margin-bottom: 14px;
}

.catalog-tabs::-webkit-scrollbar {
  display: none;
}

.catalog-tab {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 999px;
  padding: 9px 14px;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.catalog-tab.active {
  background: linear-gradient(180deg, #0b1323 0%, #040915 100%);
  color: var(--on-dark);
  border-color: #0b1323;
}

.catalog-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 14px;
}

.catalog-filters {
  position: sticky;
  top: 92px;
  height: fit-content;
}

.catalog-filter-group + .catalog-filter-group {
  margin-top: 12px;
}

.catalog-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 14px;
}

.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.catalog-sort {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.catalog-sort select {
  margin: 0;
  min-width: 190px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.catalog-card {
  padding: 16px;
}

.catalog-card h3 {
  font-size: 22px;
  line-height: 1.15;
  margin-bottom: 8px;
}

.catalog-card p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 12px;
}

.catalog-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.catalog-card-flags {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.catalog-format {
  font-size: 12px;
  color: var(--muted);
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.catalog-sale {
  font-size: 12px;
  font-weight: 700;
  color: #126a39;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(19, 130, 72, 0.26);
  background: rgba(26, 177, 98, 0.14);
}

:root[data-theme="dark"] .catalog-sale {
  color: #7ae0ac;
  border-color: rgba(122, 224, 172, 0.28);
  background: rgba(45, 132, 84, 0.26);
}

.catalog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.catalog-meta span {
  font-size: 12px;
  color: var(--muted);
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--pill-bg);
}

.catalog-price {
  font-size: 22px;
  font-weight: 700;
}

.catalog-price-block {
  margin-bottom: 10px;
}

.catalog-old-price {
  margin-top: 2px;
  font-size: 12px;
  color: var(--muted);
  text-decoration: line-through;
}

.catalog-actions {
  display: flex;
  gap: 8px;
}

.catalog-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.home-career {
  margin: 24px 0;
  border: 1.5px solid rgba(99, 102, 241, 0.25);
  border-radius: 22px;
  background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(129, 140, 248, 0.05) 100%);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  padding: 26px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.1);
  transition: all 0.3s ease;
}

.home-career:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 50px rgba(99, 102, 241, 0.15);
}

.home-career-left h2 {
  margin-bottom: 10px;
}

.home-career-cta {
  margin-top: 8px;
}

.home-career-stats {
  display: grid;
  gap: 10px;
}

.career-stat {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: var(--paper);
}

.career-value {
  font-size: 32px;
  line-height: 1;
  font-weight: 700;
  margin-bottom: 6px;
}

.career-text {
  font-size: 13px;
  color: var(--muted);
}

.home-ai {
  border: 1.5px solid rgba(99, 102, 241, 0.25);
  border-radius: 22px;
  background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(129, 140, 248, 0.05) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 24px;
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.1);
  margin-bottom: 18px;
  transition: all 0.3s ease;
}

.home-ai:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 50px rgba(99, 102, 241, 0.15);
}

.home-ai h2 {
  margin-bottom: 8px;
}

.home-ai .lead {
  margin-bottom: 16px;
}

.home-ai-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.home-ai-tools span {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  font-size: 13px;
}

.home-goal {
  border: 1.5px solid rgba(99, 102, 241, 0.25);
  border-radius: 22px;
  background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(129, 140, 248, 0.05) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 24px;
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.1);
  margin-bottom: 18px;
  transition: all 0.3s ease;
}

.home-goal:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 50px rgba(99, 102, 241, 0.15);
}

.home-goal h2 {
  margin-bottom: 14px;
}

.home-goal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.home-goal-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: var(--paper);
}

.home-goal-card h3 {
  font-size: 18px;
  line-height: 1.2;
  margin-bottom: 6px;
}

.home-goal-card p {
  color: var(--muted);
  font-size: 14px;
}

.home-employers {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper);
  padding: 24px;
  box-shadow: var(--surface-shadow-soft);
  margin-bottom: 18px;
}

.home-employers h2 {
  margin-bottom: 8px;
}

.home-employers .lead {
  margin-bottom: 14px;
}

.home-employers-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.employer-stat {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background: var(--paper);
  display: grid;
  gap: 4px;
}

.employer-stat strong {
  font-size: 30px;
  line-height: 1;
  font-weight: 700;
}

.employer-stat span {
  font-size: 12px;
  color: var(--muted);
}

.home-employers-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.employer-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: var(--paper);
}

.employer-card p {
  font-size: 14px;
}

.home-community {
  border-radius: 22px;
  border: 1px solid #f0cf35;
  background: linear-gradient(180deg, #ffe56e 0%, #ffd54a 100%);
  padding: 24px;
  box-shadow: var(--surface-shadow-soft);
  margin-bottom: 18px;
}

.home-community .hero-kicker,
.home-community .lead,
.home-community h2 {
  color: #1f2430;
}

.home-community .button.ghost {
  border-color: rgba(31, 36, 48, 0.18);
}

.home-stories {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper);
  padding: 24px;
  box-shadow: var(--surface-shadow-soft);
  margin-bottom: 18px;
}

.home-stories h2 {
  margin-bottom: 10px;
}

.home-stories-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.story-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: var(--paper);
}

.story-card h3 {
  font-size: 20px;
  line-height: 1.2;
  margin-bottom: 6px;
}

.story-card p {
  color: var(--muted);
  font-size: 14px;
}

.home-faq {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper);
  padding: 24px;
  box-shadow: var(--surface-shadow-soft);
  margin-top: 18px;
}

.home-faq h2 {
  margin-bottom: 12px;
}

.faq-item {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}

.faq-item:first-of-type {
  border-top: 0;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 20px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--muted);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.ticker {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 26px;
  box-shadow: var(--surface-shadow-soft);
}

.ticker-track {
  display: flex;
  width: max-content;
  min-width: 100%;
  animation: tickerMove 22s linear infinite;
}

.ticker-item {
  padding: 10px 18px;
  white-space: nowrap;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
  border-right: 1px solid var(--line);
}

.form {
  display: grid;
  gap: 12px;
}

.form-row {
  display: grid;
  gap: 6px;
}

.helper {
  font-size: 12px;
  color: var(--muted);
}

.alert {
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--alert-bg);
  color: var(--alert-ink);
  font-size: 13px;
}

.hidden {
  display: none;
}

.theme-toggle-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.theme-toggle {
  padding: 0;
  border: 0;
  background: transparent;
  width: 64px;
  height: 34px;
}

.theme-toggle::after {
  display: none;
}

.theme-toggle:hover {
  transform: none;
}

.theme-toggle-track {
  position: relative;
  display: block;
  width: 64px;
  height: 34px;
  border-radius: 999px;
  overflow: hidden;
  background: linear-gradient(135deg, #9ad9ff 0%, #d8efff 100%);
  box-shadow: inset 0 0 0 1px rgba(7, 12, 20, 0.08);
}

.theme-toggle-clouds,
.theme-toggle-stars {
  position: absolute;
  inset: 0;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.theme-toggle-clouds {
  background:
    radial-gradient(circle at 18% 68%, rgba(255, 255, 255, 0.96) 0 8px, transparent 9px),
    radial-gradient(circle at 36% 64%, rgba(255, 255, 255, 0.93) 0 9px, transparent 10px),
    radial-gradient(circle at 61% 69%, rgba(255, 255, 255, 0.88) 0 7px, transparent 8px),
    radial-gradient(circle at 79% 63%, rgba(255, 255, 255, 0.82) 0 6px, transparent 7px);
}

.theme-toggle-stars {
  opacity: 0;
  transform: translateY(5px);
  background:
    radial-gradient(circle at 20% 28%, rgba(255, 255, 255, 0.95) 0 1.2px, transparent 1.3px),
    radial-gradient(circle at 38% 20%, rgba(255, 255, 255, 0.9) 0 1.1px, transparent 1.2px),
    radial-gradient(circle at 56% 30%, rgba(255, 255, 255, 0.88) 0 1.2px, transparent 1.3px),
    radial-gradient(circle at 71% 22%, rgba(255, 255, 255, 0.88) 0 1.1px, transparent 1.2px),
    radial-gradient(circle at 84% 32%, rgba(255, 255, 255, 0.92) 0 1.2px, transparent 1.3px);
}

.theme-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(155deg, #ffe27e 0%, #ffba38 100%);
  box-shadow: 0 4px 12px rgba(255, 175, 45, 0.5);
  transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1), background 0.35s ease, box-shadow 0.35s ease;
}

.theme-toggle-thumb::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transition: top 0.35s ease, left 0.35s ease, opacity 0.35s ease;
}

.theme-toggle-label {
  min-width: 38px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.theme-toggle:focus-visible .theme-toggle-track {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

:root[data-theme="dark"] .theme-toggle-track {
  background: linear-gradient(135deg, #0f1d38 0%, #2a3b5a 100%);
}

:root[data-theme="dark"] .theme-toggle-clouds {
  opacity: 0;
  transform: translateY(5px);
}

:root[data-theme="dark"] .theme-toggle-stars {
  opacity: 1;
  transform: translateY(0);
}

:root[data-theme="dark"] .theme-toggle-thumb {
  left: 33px;
  background: linear-gradient(155deg, #f1f4ff 0%, #b6c0dc 100%);
  box-shadow: 0 4px 12px rgba(12, 18, 33, 0.62);
}

:root[data-theme="dark"] .theme-toggle-thumb::after {
  top: 4px;
  left: 12px;
  opacity: 0.65;
  background: #65759b;
}

.admin-list {
  display: grid;
  gap: 8px;
}

.admin-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.admin-metric {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: var(--paper);
}

.admin-metric strong {
  font-size: 20px;
}

.admin-events {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.admin-event {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  display: grid;
  gap: 4px;
  background: var(--paper);
}

.admin-user {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: var(--paper);
}

.admin-content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.admin-content-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: var(--paper);
}

.admin-inline-fields {
  display: grid;
  gap: 6px;
  min-width: 360px;
}

.admin-inline-actions {
  display: grid;
  gap: 6px;
}

.motion-enter {
  opacity: 1;
  transform: translateY(10px) scale(0.995);
  filter: none;
  transition:
    transform 0.55s ease var(--motion-delay, 0ms),
    opacity 0.55s ease var(--motion-delay, 0ms);
}

.motion-enter.motion-in {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: none;
}

@keyframes tickerMove {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes navSweep {
  from { transform: translateX(0) rotate(20deg); }
  to { transform: translateX(420%) rotate(20deg); }
}

@keyframes auraShift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(2.2vw, -1.4vh, 0) scale(1.04); }
  100% { transform: translate3d(-1.8vw, 1.8vh, 0) scale(1.02); }
}

@keyframes photoOrb {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-16px, 10px, 0) scale(1.08); }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }

  .motion-enter {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

@media (max-width: 1360px) {
  .topbar {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .nav {
    order: 3;
    flex-basis: 100%;
    max-width: none;
    margin: 0;
  }

  .cta {
    margin-left: auto;
  }

  .auth-status {
    max-width: 180px;
  }
}

@media (max-width: 980px) {
  .topbar {
    flex-direction: column;
    gap: 12px;
  }

  .home-practicum .topbar {
    top: 0;
    width: 100%;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
  }

  .home-practicum .shell.home-shell {
    padding-top: 26px;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav a {
    flex: 0 0 auto;
  }

  .nav.nav-practicum {
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .nav.nav-practicum > a,
  .nav.nav-practicum .nav-trigger {
    font-size: 16px;
    padding: 10px 16px;
  }

  .nav.nav-practicum .nav-panel,
  .nav.nav-practicum .nav-panel-courses {
    position: fixed;
    top: 114px;
    left: 12px;
    right: 12px;
    width: auto;
    max-height: 52vh;
    overflow-y: auto;
  }

  .nav.nav-practicum .nav-panel-item {
    font-size: 15px;
    padding: 10px 12px;
  }

  .theme-toggle-wrap {
    width: 100%;
    justify-content: center;
  }

  .hero {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .home-directions {
    grid-template-columns: 1fr;
  }

  .home-free-body {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .home-free-cards {
    grid-template-columns: 1fr;
  }

  .home-career {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .career-value {
    font-size: 26px;
  }

  .home-goal-grid {
    grid-template-columns: 1fr;
  }

  .home-employers-stats,
  .home-employers-grid,
  .home-stories-grid {
    grid-template-columns: 1fr;
  }

  .home-employers,
  .home-community,
  .home-stories,
  .home-faq {
    padding: 18px;
  }

  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .catalog-filters {
    position: static;
  }

  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .catalog-sort {
    width: 100%;
    justify-content: space-between;
  }

  .catalog-sort select {
    width: 100%;
    min-width: 0;
  }

  .catalog-actions {
    flex-wrap: wrap;
  }

  .catalog-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .grid.two, .grid.three {
    grid-template-columns: 1fr;
  }

  .section-head {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .shell {
    padding: 24px;
  }

  .ticker-item {
    padding: 10px 14px;
  }

  .admin-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-content-grid {
    grid-template-columns: 1fr;
  }

  .admin-user {
    grid-template-columns: 1fr;
  }

  .admin-inline-fields {
    min-width: auto;
  }

  .admin-inline-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .notification-item {
    grid-template-columns: 1fr;
  }
}

/* ─── New page: page-hero ─────────────────────────────────── */
.page-hero {
  padding: 56px 0 48px;
  max-width: 680px;
}
.page-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  margin: 12px 0 20px;
}

/* ─── About stats row ─────────────────────────────────────── */
.about-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin: 0 0 56px;
}
.about-stat {
  background: var(--pill-bg);
  border-radius: 12px;
  padding: 24px 20px;
}
.about-stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 6px;
}
.about-stat-label {
  font-size: 13px;
  color: var(--ink);
  opacity: 0.6;
  line-height: 1.4;
}

/* ─── Home hero new ───────────────────────────────────────── */
.home-hero-new {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0 48px;
}
.home-hero-text h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.12;
  margin: 12px 0 20px;
}

/* ─── Progress rings ─────────────────────────────────────── */
.rings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.ring-card {
  background: var(--pill-bg);
  border-radius: 16px;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.ring-wrap {
  position: relative;
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring-wrap svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}
.ring-val {
  position: relative;
  z-index: 1;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}
.ring-label {
  font-size: 12px;
  color: var(--ink);
  opacity: 0.65;
  line-height: 1.4;
}

/* ─── Learning path steps ─────────────────────────────────── */
.learning-path-steps {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.lp-step {
  flex: 1;
  min-width: 140px;
  background: var(--pill-bg);
  border-radius: 14px;
  padding: 20px 16px;
}
.lp-num {
  font-size: 28px;
  font-weight: 700;
  color: #02b341;
  line-height: 1;
  margin-bottom: 8px;
}
.lp-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.lp-desc {
  font-size: 13px;
  color: var(--ink);
  opacity: 0.65;
  line-height: 1.5;
}
.lp-arrow {
  font-size: 22px;
  color: var(--ink);
  opacity: 0.25;
  padding-top: 28px;
  flex-shrink: 0;
}

/* ─── Infographic path section ────────────────────────────── */
.infographic-path-section {
  margin: 64px 0;
}

/* ─── Courses grid ───────────────────────────────────────── */
.home-courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.home-course-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--pill-bg);
  border-radius: 16px;
  padding: 24px 20px;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}
.home-course-card:hover {
  border-color: var(--line);
  background: var(--paper);
  transform: none;
}
.course-card-icon {
  font-size: 22px;
  font-weight: 700;
  font-family: monospace;
  color: var(--ink);
  opacity: 0.85;
}
.course-card-title {
  font-size: 16px;
  font-weight: 600;
}
.course-card-meta {
  font-size: 13px;
  opacity: 0.6;
  line-height: 1.4;
}
.course-card-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  border-radius: 6px;
  padding: 3px 8px;
  margin-top: 4px;
  width: fit-content;
}
.course-card-badge.free {
  background: #e6f9ee;
  color: #02b341;
}

/* ─── Platform stats infographic ─────────────────────────── */
.platform-stats-section {
  margin: 64px 0;
}
.platform-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0;
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.pstat {
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pstat:nth-child(3n) { border-right: none; }
.pstat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}
.pstat-line {
  width: 24px;
  height: 3px;
  background: #02b341;
  border-radius: 2px;
}
.pstat-label {
  font-size: 13px;
  color: var(--ink);
  opacity: 0.65;
  line-height: 1.4;
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .home-hero-new {
    grid-template-columns: 1fr;
    padding: 40px 0 32px;
  }
  .rings-grid {
    grid-template-columns: 1fr 1fr;
  }
  .learning-path-steps {
    flex-direction: column;
  }
  .lp-arrow {
    transform: rotate(90deg);
    padding-top: 0;
    align-self: center;
  }
  .pstat:nth-child(3n) { border-right: 1px solid var(--line); }
  .pstat:nth-child(2n) { border-right: none; }
}