/* Шрифтове — локално (2026-10-31), cyrillic + latin */
@font-face{font-family:'Golos Text';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/golos-text-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Golos Text';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/golos-text-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Golos Text';font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/golos-text-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Golos Text';font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/golos-text-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Golos Text';font-style:normal;font-weight:800;font-display:swap;src:url(/assets/fonts/golos-text-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Golos Text';font-style:normal;font-weight:800;font-display:swap;src:url(/assets/fonts/golos-text-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Manrope';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/manrope-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Manrope';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/manrope-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Manrope';font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/manrope-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Manrope';font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/manrope-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Manrope';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/manrope-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Manrope';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/manrope-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Manrope';font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/manrope-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Manrope';font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/manrope-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Manrope';font-style:normal;font-weight:800;font-display:swap;src:url(/assets/fonts/manrope-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Manrope';font-style:normal;font-weight:800;font-display:swap;src:url(/assets/fonts/manrope-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
/* Листовки - Вариант B "Study App" design system */

:root {
  --bg: #FAF8F4;
  --card-bg: #FFFFFF;
  --text: #232821;
  --text-secondary: #5B6259;
  --border: #EDEAE2;
  --accent: #0E9384;
  --accent-dark: #0B776B;
  --accent-tint: #EAF6F4;
  --warn: #D9603F;
  --warn-tint: #F7E4E1;
  --amber: #C9820C;
  --amber-tint: #FFF3DE;
  --shadow: 0 2px 14px rgba(30, 40, 30, 0.06);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161B17;
    --card-bg: #1F2620;
    --text: #F1F3EF;
    --text-secondary: #A7AFA5;
    --border: #2B332C;
    --accent: #22B39F;
    --accent-dark: #3ED2BC;
    --accent-tint: #1B2E2A;
    --warn: #E8836A;
    --warn-tint: #3A2620;
    --amber: #E0A63C;
    --amber-tint: #362A14;
    --shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  line-height: 1.5;
}
h1, h2, h3, h4, .headline { font-family: 'Golos Text', 'Manrope', sans-serif; font-weight: 700; color: var(--text); margin: 0; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }
img, svg { max-width: 100%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
@media (min-width: 900px) { .wrap { padding: 0 40px; } }

/* Header */
.site-header { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; padding-bottom: 16px; }
.brand { display: flex; align-items: center; gap: 8px; font-family: 'Golos Text', sans-serif; font-weight: 800; font-size: 18px; color: var(--text); text-decoration: none; flex-shrink: 0; }
.brand-mark { width: 32px; height: 32px; border-radius: 10px; background: var(--accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.nav-desktop { display: none; align-items: center; gap: 24px; }
.nav-desktop a { color: var(--text-secondary); font-weight: 600; font-size: 15px; text-decoration: none; transition: color .15s ease; white-space: nowrap; }
.nav-desktop a:hover { color: var(--accent); }
.nav-toggle { display: flex; width: 38px; height: 38px; border-radius: 12px; background: var(--accent-tint); align-items: center; justify-content: center; border: none; cursor: pointer; }
@media (min-width: 960px) { .nav-desktop { display: flex; } .nav-toggle { display: none; } }

/* Dropdown */
.nav-dropdown { position: relative; display: inline-flex; align-items: center; padding: 6px 0; }
.nav-dropdown-toggle { display: inline-flex; align-items: center; gap: 6px; background: transparent; border: none; padding: 6px 10px; margin: -6px -10px; border-radius: 8px; color: var(--text-secondary); font-family: inherit; font-weight: 600; font-size: 15px; cursor: pointer; transition: color .15s ease, background .15s ease; white-space: nowrap; }
.nav-dropdown-toggle:hover, .nav-dropdown-toggle[aria-expanded='true'], .nav-dropdown:hover .nav-dropdown-toggle { color: var(--accent); background: var(--accent-tint); }
.nav-dropdown-toggle .chevron { transition: transform .2s ease; }
.nav-dropdown-toggle[aria-expanded='true'] .chevron, .nav-dropdown:hover .chevron { transform: rotate(180deg); }
.nav-dropdown-menu { position: absolute; top: calc(100% + 4px); right: -8px; min-width: 224px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 12px 36px rgba(0,0,0,.16); padding: 8px 6px; display: none; flex-direction: column; gap: 2px; z-index: 1000; }
.nav-dropdown-menu::before { content: ''; position: absolute; top: -16px; left: -30px; right: 0; height: 16px; }
.nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu, .nav-dropdown-menu.is-open { display: flex; }
.nav-dropdown-menu a { display: flex; align-items: center; width: 100%; box-sizing: border-box; padding: 10px 14px; border-radius: 8px; font-size: 14.5px; font-weight: 600; color: var(--text) !important; text-decoration: none; transition: background .15s ease, color .15s ease; }
.nav-dropdown-menu a:hover { background: var(--accent-tint); color: var(--accent-dark) !important; }

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.4;
  padding-top: 14px;
  padding-bottom: 2px;
  color: var(--text-secondary);
}
.breadcrumbs a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color .15s ease;
}
.breadcrumbs a:hover {
  color: var(--accent);
  text-decoration: underline;
}
.breadcrumbs-sep {
  color: var(--text-secondary);
  opacity: .45;
  user-select: none;
  font-size: 12px;
}
.breadcrumbs [aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

/* Mobile Nav */
.nav-mobile { display: flex; flex-direction: column; gap: 2px; padding: 8px 20px 16px; }
.nav-mobile a { padding: 12px 4px; font-weight: 600; color: var(--text); border-bottom: 1px solid var(--border); text-decoration: none; }
.nav-mobile[hidden] { display: none; }
.nav-mobile-group { padding: 10px 0 4px; border-bottom: 1px solid var(--border); }
.nav-mobile-group-title { font-size: 11.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: var(--text-secondary); padding: 4px 4px 6px; }
.nav-mobile-sublink { padding: 9px 12px !important; font-size: 15px !important; border-bottom: none !important; display: block; border-radius: 8px; }
.nav-mobile-sublink:hover { background: var(--accent-tint); color: var(--accent-dark) !important; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: 'Golos Text', sans-serif; font-weight: 700; font-size: 16px; border-radius: 16px; padding: 15px 22px; min-height: 48px; border: none; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-secondary { background: var(--accent-tint); color: var(--accent-dark); }
.btn-secondary:hover { background: var(--border); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* Cards */
.card { background: var(--card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 20px; }
.card-flat { background: var(--card-bg); border-radius: var(--radius-md); box-shadow: var(--shadow); padding: 16px; }

/* Reference tables (глоби/точки/такси) */
.table td { padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table tr:last-child td { border-bottom: none; }
.table td:first-child { width: 55%; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (min-width: 900px) { .grid-2 { grid-template-columns: 1fr 1.3fr; gap: 24px; } }

/* Section */
.section { padding: 28px 0 8px; }
.section-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.eyebrow { font-weight: 700; font-size: 12.5px; letter-spacing: .3px; color: var(--accent); text-transform: none; }

/* Hero */
.hero-card { border-radius: var(--radius-lg); padding: 26px 22px; background: linear-gradient(180deg, var(--accent-tint) 0%, var(--card-bg) 62%); box-shadow: var(--shadow); }
.hero-h1 { font-size: 30px; line-height: 1.14; margin: 10px 0 10px; }
@media (min-width: 640px) { .hero-h1 { font-size: 40px; } }
.hero-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
@media (min-width: 640px) { .hero-actions { flex-direction: row; } }

/* Progress ring */
.ring-wrap { display: flex; align-items: center; gap: 14px; }
.mastery-box { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; padding: 14px; background: var(--card-bg); border-radius: var(--radius-md); }
.streak-pill { display: inline-flex; align-items: center; gap: 5px; margin-top: 8px; background: var(--amber-tint); padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; color: var(--amber); }

/* Topic / sign chips */
.chip-row { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 4px; }
.pill { flex-shrink: 0; padding: 11px 20px; border-radius: 999px; font-family: 'Golos Text', sans-serif; font-weight: 700; font-size: 15px; background: var(--accent-tint); color: var(--text); text-decoration: none; }
.pill.active { background: var(--accent); color: #fff; }

.icon-tile { width: 34px; height: 34px; border-radius: 10px; background: var(--accent-tint); display: flex; align-items: center; justify-content: center; margin-bottom: 10px; }
.road-sign-art { display: block; max-width: 100%; max-height: 100%; object-fit: contain; }

/* FAQ accordion - native <details>, без JS */
.faq-item { background: var(--card-bg); border-radius: var(--radius-md); box-shadow: var(--shadow); margin-bottom: 8px; overflow: hidden; }
.faq-item summary { list-style: none; cursor: pointer; padding: 16px 18px; display: flex; justify-content: space-between; align-items: center; font-weight: 600; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .faq-body { padding: 0 18px 16px; color: var(--text-secondary); font-size: 14.5px; }
.faq-item .chev { transition: transform .15s ease; flex-shrink: 0; }
.faq-item[open] .chev { transform: rotate(180deg); }

/* Quiz */
.quiz-progress { font-family: 'Golos Text', sans-serif; font-weight: 700; font-size: 14px; color: var(--text-secondary); }
.quiz-status-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.exam-timer { font-family: 'Golos Text', sans-serif; font-weight: 700; font-size: 14px; color: var(--warn); }
.quiz-bar { height: 6px; border-radius: 3px; background: var(--border); overflow: hidden; margin: 8px 0 20px; }
.quiz-bar-fill { height: 100%; background: var(--accent); }
.answer-option { display: block; width: 100%; text-align: left; padding: 16px 18px; border-radius: var(--radius-md); border: 2px solid var(--border); background: var(--card-bg); font-size: 16px; font-weight: 600; cursor: pointer; margin-bottom: 10px; min-height: 52px; color: var(--text); }
.answer-option:hover { border-color: var(--accent); }
.answer-why { display: block; margin-top: 6px; font-size: 14px; font-weight: 500; line-height: 1.5; color: var(--text-secondary); }
.answer-option.correct { border-color: var(--accent); background: var(--accent-tint); }
.answer-option.incorrect { border-color: var(--warn); background: var(--warn-tint); }
.answer-radio { display: flex; align-items: center; gap: 12px; }
.question-media { display: block; width: 100%; max-height: 440px; object-fit: contain; margin: 0 0 18px; border-radius: var(--radius-md); background: #fff; }
.question-audio { display: block; width: 100%; margin: 0 0 18px; }
.answer-content { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; min-width: 0; flex: 1; }
.answer-media { display: block; width: auto; max-width: 100%; max-height: 220px; object-fit: contain; border-radius: var(--radius-sm); background: #fff; }

.score-row { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border); }
.score-row:last-child { border-bottom: none; }
.score-bar-track { height: 6px; border-radius: 3px; background: var(--border); flex: 1; margin: 0 12px; }
.score-bar-fill { height: 100%; border-radius: 3px; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 700; }
.badge-draft { background: var(--warn-tint); color: var(--warn); }
.badge-seed { background: var(--amber-tint); color: var(--amber); }

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

footer.site-footer { padding: 32px 0 40px; margin-top: 24px; border-top: 1px solid var(--border); }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 18px; font-size: 12.5px; font-weight: 600; margin-bottom: 16px; }
.footer-disclaimer { font-size: 11.5px; color: var(--text-secondary); line-height: 1.5; max-width: 640px; }

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; z-index: 100; }