/* ==========================================================================
   EnChinSchool — Main Stylesheet
   SCSS-структура (организовано в комментариях как partials):
   - abstracts/_variables.scss
   - abstracts/_mixins.scss
   - base/_reset.scss
   - base/_typography.scss
   - layout/_container.scss
   - layout/_header.scss
   - components/_buttons.scss
   - components/_cards.scss
   - sections/_hero.scss
   - sections/_about.scss
   - sections/_courses.scss
   - sections/_test.scss
   - sections/_reviews.scss
   - sections/_teachers.scss
   - sections/_contact.scss
   - components/_modal.scss
   - utilities/_animations.scss
   ========================================================================== */

/* --- abstracts/_variables.scss --- */
:root {
  /* Основная палитра */
  --color-primary: #e91e8c;
  --color-primary-dark: #c2187a;
  --color-primary-light: #f48fb1;
  --color-gradient: linear-gradient(135deg, #ff6b9d 0%, #e91e8c 50%, #c2187a 100%);
  --color-gradient-soft: linear-gradient(135deg, #fff0f6 0%, #fce4ec 100%);

  --color-purple: #2d1b4e;
  --color-purple-light: #4a2c7a;
  --color-turquoise: #00d4c8;
  --color-turquoise-dark: #00a89e;

  --color-white: #ffffff;
  --color-bg: #faf8fc;
  --color-text: #2d1b4e;
  --color-text-muted: #6b5b7a;
  --color-border: #e8dff0;

  /* Типографика */
  --font-family: 'Nunito', system-ui, -apple-system, sans-serif;
  --font-size-base: 1rem;
  --line-height: 1.6;

  /* Отступы */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Скругления */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Тени */
  --shadow-sm: 0 2px 8px rgba(45, 27, 78, 0.08);
  --shadow-md: 0 8px 24px rgba(45, 27, 78, 0.12);
  --shadow-lg: 0 16px 48px rgba(233, 30, 140, 0.15);

  /* Переходы */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --header-height: 72px;
  --container-max: 1200px;
}

/* --- base/_reset.scss --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  -webkit-user-select: none;
  user-select: none;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

input,
textarea,
select,
[contenteditable="true"] {
  -webkit-user-select: text;
  user-select: text;
}

body.no-scroll {
  overflow: hidden;
}

/* --- base/_scrollbar.scss --- */
html,
* {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

*::-webkit-scrollbar {
  width: 0;
  height: 0;
  background: transparent;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

ul { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- base/_typography.scss --- */
h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-purple);
}

/* --- layout/_container.scss --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-md); }
}

/* --- layout/_header.scss --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-purple);
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
  min-width: 0;
}

.logo__img {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: contain;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 1280px) {
  .header__inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-md);
  }

  .logo__img {
    width: 56px;
    height: 56px;
  }

  .logo {
    font-size: 1.1rem;
  }

  .nav {
    display: flex;
    justify-content: center;
    min-width: 0;
  }
}

.logo__accent {
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  flex-shrink: 1;
  min-width: 0;
}

.nav__list {
  display: none;
  gap: 2px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
  background: rgba(233, 30, 140, 0.08);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.lang-switcher {
  display: flex;
  background: var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px;
}

.lang-btn {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.lang-btn.active {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* Burger menu */
.burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}

.burger span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--color-purple);
  border-radius: 2px;
  transition: all var(--transition);
}

.burger--active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.burger--active span:nth-child(2) {
  opacity: 0;
}

.burger--active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(45, 27, 78, 0.4);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition);
}

.nav-overlay--visible {
  display: block;
  opacity: 1;
}

/* Burger-меню: планшеты и ноутбуки (8 пунктов не влезают в строку) */
@media (max-width: 1279px) {
  .logo__text {
    display: none;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    width: min(320px, 88vw);
    height: calc(100vh - var(--header-height));
    background: var(--color-white);
    padding: var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 1001;
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
  }

  .nav--open { transform: translateX(0); }

  .nav--open .nav__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    align-items: stretch;
  }

  .nav--open .nav__link {
    display: block;
    padding: var(--space-sm);
    font-size: 1rem;
    white-space: normal;
  }
}

/* Десктоп: горизонтальное меню */
@media (min-width: 1280px) {
  .burger { display: none; }

  .nav {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    transform: none;
    box-shadow: none;
    overflow: visible;
    background: transparent;
  }

  .nav__list {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 2px;
  }

  .nav__link {
    font-size: 0.8rem;
    padding: 6px 7px;
  }
}

@media (min-width: 1400px) {
  .nav__list { gap: 6px; }
  .nav__link {
    font-size: 0.875rem;
    padding: 6px 10px;
  }
}

/* --- components/_buttons.scss --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.85rem 1.75rem;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  background-image: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(233, 30, 140, 0.35);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  background-image: linear-gradient(135deg, var(--color-primary-dark) 0%, #a01466 100%);
  border-color: #a01466;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(233, 30, 140, 0.45);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  color: var(--color-purple);
  border-color: var(--color-purple);
}

.btn--outline:hover {
  background: var(--color-purple);
  color: var(--color-white);
}

.btn--accent {
  background: var(--color-turquoise);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(0, 212, 200, 0.35);
}

.btn--accent:hover {
  background: var(--color-turquoise-dark);
  transform: translateY(-2px);
  color: var(--color-white);
}

.btn--sm {
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
}

.btn--full { width: 100%; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* --- sections/_hero.scss --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + var(--space-lg)) 0 var(--space-xl);
  background: var(--color-gradient-soft);
  overflow: hidden;
}

.hero__bg-shapes .shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
}

.shape--1 {
  width: 400px;
  height: 400px;
  background: var(--color-primary);
  top: -100px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.shape--2 {
  width: 250px;
  height: 250px;
  background: var(--color-turquoise);
  bottom: 10%;
  left: -50px;
  animation: float 6s ease-in-out infinite reverse;
}

.shape--3 {
  width: 150px;
  height: 150px;
  background: var(--color-purple);
  top: 40%;
  right: 20%;
  animation: float 10s ease-in-out infinite;
}

.hero__inner {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-block;
  background: var(--color-gradient);
  color: var(--color-white);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.hero__title {
  font-size: clamp(1.75rem, 5vw, 3rem);
  margin-bottom: var(--space-sm);
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  max-width: 520px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__logo-wrap {
  position: relative;
  animation: bounce 3s ease-in-out infinite;
}

.hero__logo {
  width: min(280px, 70vw);
  height: auto;
  border-radius: 50%;
  object-fit: contain;
  box-shadow: var(--shadow-lg);
}

.hero__jump-icon {
  position: absolute;
  top: -10px;
  right: -10px;
  animation: rocket 2s ease-in-out infinite;
}

.hero__jump-icon .bi {
  font-size: 2.5rem;
  color: var(--color-turquoise);
}

@media (min-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- sections (shared) --- */
.section {
  padding: var(--space-2xl) 0;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-xs);
}

.section__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-gradient);
  border-radius: 2px;
  margin: var(--space-sm) auto 0;
}

.section__subtitle {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- sections/_about.scss --- */
.about__mission {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
  border-left: 4px solid var(--color-turquoise);
}

.about__mission-icon {
  flex-shrink: 0;
}

.about__mission-icon .bi {
  font-size: 2.5rem;
  color: var(--color-turquoise);
}

.about__mission-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.about__mission-text {
  color: var(--color-text-muted);
}

.advantages {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 576px) {
  .advantages { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
  .advantages { grid-template-columns: repeat(4, 1fr); }
}

/* --- components/_cards.scss --- */
.advantage-card,
.course-card,
.review-card,
.teacher-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.advantage-card:hover,
.course-card:hover,
.review-card:hover,
.teacher-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.advantage-card__icon {
  margin-bottom: var(--space-sm);
}

.advantage-card__icon .bi {
  font-size: 2.5rem;
  color: var(--color-primary);
}

.advantage-card__title {
  font-size: 1.15rem;
  margin-bottom: var(--space-xs);
}

.advantage-card__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* --- sections/_courses.scss --- */
.courses {
  background: var(--color-gradient-soft);
}

.courses__grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .courses__grid { grid-template-columns: repeat(2, 1fr); }
}

.course-card {
  position: relative;
  overflow: hidden;
  padding: var(--space-lg);
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.course-card--english::before {
  background: linear-gradient(90deg, #e91e8c, #ff6b9d);
}

.course-card--chinese::before {
  background: linear-gradient(90deg, #00d4c8, #00a89e);
}

.course-card__flag {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

.course-card__flag .bi {
  font-size: 1.75rem;
}

.course-card__flag--english {
  background: rgba(233, 30, 140, 0.12);
  color: var(--color-primary);
}

.course-card__flag--chinese {
  background: rgba(0, 212, 200, 0.15);
  color: var(--color-turquoise-dark);
}

.course-card__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.course-card__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.course-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  padding: var(--space-xs) 0;
  color: var(--color-text);
}

.course-card__features li .bi {
  flex-shrink: 0;
  color: var(--color-turquoise);
  font-size: 1.1rem;
  margin-top: 2px;
}

.course-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.course-card__actions {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.course-card__price {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-primary);
}

/* --- sections/_test.scss --- */
.test-section {
  background: var(--color-white);
}

.test-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.test-instruction {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-style: italic;
}

.test-progress {
  margin-bottom: var(--space-lg);
}

.test-progress__bar-wrap {
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-xs);
}

.test-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--color-gradient);
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

.test-progress__text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.test-questions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.test-question {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

.test-question:focus-within {
  border-color: var(--color-primary-light);
}

.test-question__header {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  margin-bottom: var(--space-sm);
}

.test-question__num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gradient);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-weight: 800;
  font-size: 0.85rem;
}

.test-question__text {
  font-weight: 600;
  color: var(--color-purple);
  line-height: 1.4;
}

.test-question__picture {
  margin-bottom: var(--space-sm);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.test-question__picture img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  background: #f0f0f0;
}

.test-question__answers {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.test-answer {
  flex: 1;
  min-width: 140px;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid var(--color-border);
  transition: all var(--transition);
}

.test-answer--yes:hover,
.test-answer--yes.test-answer--selected {
  background: rgba(0, 212, 200, 0.15);
  border-color: var(--color-turquoise);
  color: var(--color-turquoise-dark);
}

.test-answer--no:hover,
.test-answer--no.test-answer--selected {
  background: rgba(233, 30, 140, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.test-nav {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.test-finish {
  display: none;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 2px dashed var(--color-border);
}

.test-finish--visible {
  display: block;
  animation: fadeInUp 0.5s ease;
}

.test-finish__title {
  text-align: center;
  margin-bottom: var(--space-md);
}

/* --- sections/_reviews.scss --- */
.reviews__grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 576px) {
  .reviews__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
  .reviews__grid { grid-template-columns: repeat(3, 1fr); }
}

.home-reviews__grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  max-width: 960px;
  margin: 0 auto;
}

@media (min-width: 576px) {
  .home-reviews__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .home-reviews__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.home-reviews__grid--empty {
  display: none;
}

.review-card__stars {
  display: flex;
  gap: 4px;
  margin-bottom: var(--space-sm);
}

.review-card__stars .bi {
  color: #ffc107;
  font-size: 1.1rem;
}

.review-card__text {
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.review-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.review-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-gradient);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.review-card__author span {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.feedback-gallery {
  flex: 1;
  display: flex;
  align-items: center;
}

.feedback-gallery__container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height) - 180px);
  padding-bottom: var(--space-xl);
}

.feedback-gallery__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  width: 100%;
  max-width: 1200px;
}

@media (min-width: 576px) {
  .feedback-gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .feedback-gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  .feedback-gallery__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feedback-gallery__grid--empty {
  display: none;
}

.feedback-gallery__item {
  width: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.feedback-gallery__item--hidden {
  display: none;
}

.feedback-gallery__grid--expanded .feedback-gallery__item--hidden {
  display: block;
}

.feedback-gallery__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feedback-gallery__item img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

.feedback-gallery__actions {
  margin-top: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.reviews-vk-link {
  margin-top: var(--space-lg);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.reviews-vk-link p {
  margin-bottom: 0.25rem;
}

.reviews-vk-link__a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.reviews-vk-link__a:hover {
  text-decoration: underline;
}

.review-form__label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.review-form__label-row label {
  margin-bottom: 0;
}

.review-form__optional {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-gradient-soft);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  text-transform: lowercase;
}

.review-form__upload {
  position: relative;
}

.review-form__file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.review-form__dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 148px;
  padding: var(--space-md);
  border: 2px dashed var(--color-primary-light);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, #fff9fc 0%, #fce8f1 100%);
  cursor: pointer;
  text-align: center;
  transition: border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.review-form__dropzone:hover,
.review-form__upload--drag .review-form__dropzone {
  border-color: var(--color-primary);
  background: linear-gradient(160deg, #fff5fa 0%, #fbd9ea 100%);
  box-shadow: 0 8px 24px rgba(233, 30, 140, 0.12);
  transform: translateY(-2px);
}

.review-form__dropzone-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: var(--color-gradient);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.15rem;
  box-shadow: var(--shadow-sm);
}

.review-form__dropzone-icon .bi {
  font-size: 1.45rem;
}

.review-form__dropzone-title {
  font-weight: 800;
  color: var(--color-purple);
  font-size: 1rem;
}

.review-form__dropzone-hint {
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.review-form__dropzone-formats {
  font-size: 0.78rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-top: 0.15rem;
}

.review-form__upload--filled .review-form__dropzone {
  display: none;
}

.review-form__preview {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--color-border);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.review-form__preview img {
  display: block;
  width: 100%;
  max-height: 200px;
  object-fit: cover;
  background: var(--color-bg);
}

.review-form__preview-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-gradient-soft);
}

.review-form__preview-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-purple);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.review-form__preview-change {
  flex-shrink: 0;
  border: none;
  background: none;
  color: var(--color-primary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.review-form__preview-change:hover {
  color: var(--color-primary-dark);
}

.review-form__preview-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius-full);
  background: rgba(45, 27, 78, 0.75);
  color: var(--color-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
}

.review-form__preview-remove:hover {
  background: rgba(45, 27, 78, 0.9);
  transform: scale(1.05);
}

.review-form-modal__actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.lightbox--visible {
  opacity: 1;
  visibility: visible;
}

.lightbox__overlay {
  position: absolute;
  inset: 0;
  background: rgba(45, 27, 78, 0.85);
  backdrop-filter: blur(6px);
}

.lightbox__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  max-width: min(90vw, 520px);
  max-height: 90vh;
  padding: var(--space-sm);
}

.lightbox__img {
  display: block;
  max-width: 100%;
  max-height: calc(90vh - 48px);
  width: auto;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  object-fit: contain;
}

.lightbox__counter {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  font-weight: 600;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.lightbox__close {
  top: var(--space-sm);
  right: var(--space-sm);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox__close .bi {
  font-size: 1.25rem;
}

.lightbox__prev,
.lightbox__next {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

.lightbox__prev {
  left: var(--space-sm);
}

.lightbox__next {
  right: var(--space-sm);
}

.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox__prev .bi,
.lightbox__next .bi {
  font-size: 1.5rem;
}

@media (max-width: 575px) {
  .lightbox__prev {
    left: 4px;
  }

  .lightbox__next {
    right: 4px;
  }

  .lightbox__prev,
  .lightbox__next {
    width: 40px;
    height: 40px;
  }
}

/* --- sections/_teachers.scss --- */
.teachers {
  background: var(--color-bg);
}

.teachers__grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  max-width: 340px;
  margin: 0 auto;
}

.teacher-card {
  text-align: center;
}

.teacher-card__photo {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  margin: 0 auto var(--space-sm);
  overflow: hidden;
  background: #efe8de;
  box-shadow: var(--shadow-md);
}

.teacher-card__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 18%;
}

.teacher-card__name {
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.teacher-card__role {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: var(--space-xs);
}

.teacher-card__bio {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* --- sections/_contact.scss --- */
.contact__grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

.contact__info {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .contact__info {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.contact-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-gradient-soft);
  flex-shrink: 0;
}

.contact-item__icon .bi {
  font-size: 1.25rem;
  color: var(--color-primary);
}

.contact-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--color-purple);
}

.contact-item a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-form {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-signup {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-signup__title {
  font-size: 1.35rem;
  margin-bottom: var(--space-sm);
  color: var(--color-purple);
}

.contact-signup__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.contact-signup__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact-signup__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.95rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-white);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.contact-signup__btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-white);
}

.contact-signup__btn .bi {
  font-size: 1.5rem;
}

.contact-signup__btn--telegram {
  background: linear-gradient(135deg, #2aabee, #229ed9);
}

.contact-signup__btn--telegram:hover {
  background: linear-gradient(135deg, #229ed9, #1a8bc7);
}

.contact-signup__btn--vk {
  background: linear-gradient(135deg, #0077ff, #0055cc);
}

.contact-signup__btn--vk:hover {
  background: linear-gradient(135deg, #0066e6, #0044aa);
}

.contact-signup__btn--max {
  background: linear-gradient(135deg, #6c5ce7, #4b3fd6);
}

.contact-signup__btn--max:hover {
  background: linear-gradient(135deg, #5a4bd4, #3d32b8);
}

.contact-signup__max-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.2);
  font-size: 0.85rem;
  font-weight: 800;
  line-height: 1;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-purple);
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition);
  background: var(--color-bg);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
}

/* --- components/_modal.scss --- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal--visible {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(45, 27, 78, 0.6);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition);
}

.modal--visible .modal__content {
  transform: scale(1) translateY(0);
}

.modal__close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 36px;
  height: 36px;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal__close .bi {
  font-size: 1.25rem;
}

.modal__close:hover {
  background: var(--color-border);
  color: var(--color-purple);
}

.modal__icon {
  margin-bottom: var(--space-sm);
}

.modal__icon .bi {
  font-size: 3rem;
  color: var(--color-primary);
}

.modal__title {
  margin-bottom: var(--space-md);
}

.modal__result {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.modal__stat {
  background: var(--color-bg);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  min-width: 140px;
}

.modal__stat--level {
  background: var(--color-gradient-soft);
  border: 2px solid var(--color-primary-light);
}

.modal__label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.modal__value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

.modal__stat--level .modal__value {
  color: var(--color-purple);
}

.modal__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.modal__actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- footer --- */
.footer {
  background: var(--color-purple);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-lg) 0;
  text-align: center;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-white);
  font-weight: 800;
  font-size: 1.1rem;
}

.footer__brand img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: #fff;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.35);
}

.footer__tagline {
  color: var(--color-turquoise);
  font-weight: 600;
}

.footer__social {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-white);
  font-weight: 600;
  transition: color var(--transition), opacity var(--transition);
}

.footer__social:hover {
  color: var(--color-turquoise);
}

.footer__social .bi {
  font-size: 1.25rem;
}

.footer__rights {
  font-size: 0.85rem;
}

/* --- utilities/_animations.scss --- */
.reveal {
  opacity: 1;
  transform: none;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes rocket {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(15deg); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Multi-page layout --- */
#site-footer {
  margin-top: auto;
}

.main--page {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: var(--header-height);
}

.main--page > .section:last-child {
  flex: 1;
}

.page-hero {
  background: var(--color-gradient-soft);
  padding: var(--space-xl) 0 var(--space-lg);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-hero__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-xs);
}

.page-hero__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-gradient);
  border-radius: 2px;
  margin: var(--space-sm) auto 0;
}

.page-hero__subtitle {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Section "more" link */
.section__more {
  text-align: center;
  margin-top: var(--space-lg);
}

/* Inner pages: content section on neutral bg (hero already has gradient) */
.main--page .courses {
  background: var(--color-bg);
}

.main--page .course-card {
  border: 1px solid var(--color-border);
}

/* About page blocks */
.about__community {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  background: var(--color-gradient-soft);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
  margin-bottom: var(--space-xl);
}

.about__community-icon {
  flex-shrink: 0;
}

.about__community-icon .bi {
  font-size: 2.5rem;
  color: var(--color-primary);
}

.about__community-content {
  flex: 1;
}

.about__community-content .about__block-title {
  margin-bottom: var(--space-xs);
}

.about__community-content .about__block-text {
  margin-bottom: var(--space-md);
}

.about__community-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, #0077ff, #0055cc);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}

.about__community-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-white);
}

.about__community-link .bi {
  font-size: 1.35rem;
}

.about__story,
.about__method {
  margin-bottom: var(--space-xl);
}

.about__block-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-purple);
}

.about__block-text {
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 800px;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .about__stats { grid-template-columns: repeat(4, 1fr); }
}

.stat-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.stat-card__num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card__label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.about__method-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .about__method-grid { grid-template-columns: repeat(3, 1fr); }
}

.method-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-turquoise);
}

.method-card .bi {
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.method-card h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.method-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}


/* --- Interactive Level Tests --- */
.page-hero__logo {
  margin-bottom: var(--space-sm);
}

.page-hero__logo img {
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  margin: 0 auto;
}

.cn-test-section {
  background: var(--color-bg);
}

.cn-test-wrapper {
  max-width: 640px;
  margin: 0 auto;
}

.cn-screen {
  display: none;
  animation: fadeInUp 0.5s ease;
}

.cn-screen--active {
  display: block;
}

.cn-start-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.cn-start-icon {
  font-size: 3.5rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.cn-start-card h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.cn-start-card > p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.cn-start-features {
  text-align: left;
  max-width: 320px;
  margin: 0 auto var(--space-lg);
}

.cn-start-features li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) 0;
  color: var(--color-text);
  font-weight: 600;
}

.cn-start-features .bi {
  color: var(--color-primary);
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.cn-test-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.cn-part-badge {
  background: var(--color-gradient);
  color: var(--color-white);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
}

.cn-timer {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-white);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  color: var(--color-purple);
  box-shadow: var(--shadow-sm);
  font-variant-numeric: tabular-nums;
}

.cn-progress {
  margin-bottom: var(--space-md);
}

.cn-progress__bar-wrap {
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-xs);
}

.cn-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--color-gradient);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

.cn-progress__text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.cn-question-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.cn-question-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-purple);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.cn-question-picture {
  margin-bottom: var(--space-md);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.cn-question-picture img {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  background: #f0f0f0;
}

.cn-answer-input {
  font-size: 1.1rem;
  text-align: center;
}

.cn-result-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--color-primary-light);
}

.cn-result-emoji {
  font-size: 4rem;
  display: block;
  margin-bottom: var(--space-sm);
  animation: bounce 1s ease infinite;
}

.cn-result-card h2 {
  margin-bottom: var(--space-md);
}

.cn-result-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

@media (max-width: 480px) {
  .cn-result-stats { grid-template-columns: 1fr; }
}

.cn-result-stat {
  background: var(--color-bg);
  padding: var(--space-md);
  border-radius: var(--radius-md);
}

.cn-result-stat--level {
  background: var(--color-gradient-soft);
  border: 2px solid var(--color-primary-light);
}

.cn-result-stat__label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.cn-result-stat__value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
}

.cn-result-stat--level .cn-result-stat__value {
  color: var(--color-purple);
  font-size: 1rem;
}

.cn-result-course {
  background: var(--color-gradient-soft);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-weight: 600;
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.cn-result-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

@media (min-width: 480px) {
  .cn-result-actions {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* --- Responsive: phone & tablet --- */
@media (max-width: 767px) {
  :root {
    --header-height: 64px;
    --space-xl: 3rem;
    --space-2xl: 4rem;
  }

  .container {
    padding: 0 1rem;
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .section__header {
    margin-bottom: var(--space-lg);
  }

  .section__subtitle,
  .page-hero__subtitle {
    font-size: 1rem;
  }

  .page-hero {
    padding: var(--space-lg) 0;
  }

  .page-hero__title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    padding: 0 0.25rem;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--space-md)) 0 var(--space-lg);
  }

  .hero__content {
    text-align: center;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__cta .btn {
    width: 100%;
  }

  .hero__logo {
    width: min(220px, 60vw);
  }

  .shape--1 {
    width: 220px;
    height: 220px;
    top: -60px;
    right: -60px;
  }

  .shape--2 {
    width: 160px;
    height: 160px;
  }

  .shape--3 {
    width: 100px;
    height: 100px;
  }

  .about__mission,
  .about__community {
    flex-direction: column;
    padding: var(--space-md);
  }

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

  .course-card {
    padding: var(--space-md);
  }

  .course-card__title {
    font-size: 1.3rem;
  }

  .course-card__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .course-card__price {
    text-align: center;
  }

  .course-card__actions {
    flex-direction: column;
    width: 100%;
  }

  .course-card__actions .btn {
    width: 100%;
  }

  .contact-form,
  .contact-signup {
    padding: var(--space-md);
  }

  .contact-item {
    padding: var(--space-sm);
  }

  .test-wrapper {
    padding: var(--space-md);
  }

  .test-question__header {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .test-answer {
    min-width: 100%;
    flex: 1 1 100%;
  }

  .test-nav .btn {
    width: 100%;
  }

  .cn-start-card,
  .cn-question-card,
  .cn-result-card {
    padding: var(--space-md);
  }

  .cn-question-text {
    font-size: 1.05rem;
  }

  .cn-test-meta {
    flex-direction: column;
    align-items: stretch;
  }

  .cn-part-badge,
  .cn-timer {
    justify-content: center;
    text-align: center;
  }

  .cn-result-actions {
    flex-direction: column;
  }

  .cn-result-actions .btn {
    width: 100%;
  }

  .btn--lg {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }

  .modal__content {
    padding: var(--space-lg) var(--space-md);
    max-height: 90vh;
    overflow-y: auto;
  }

  .modal__actions {
    flex-direction: column;
    width: 100%;
  }

  .modal__actions .btn {
    width: 100%;
  }

  .modal__result {
    flex-direction: column;
    align-items: stretch;
  }

  .modal__stat {
    min-width: 0;
    width: 100%;
  }

}

@media (min-width: 576px) and (max-width: 991px) {
  .about__method-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__method-grid .method-card:last-child {
    grid-column: 1 / -1;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }

  .courses__grid {
    gap: var(--space-md);
  }

  .course-card__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .course-card__actions {
    width: 100%;
  }

  .course-card__actions .btn {
    flex: 1;
    min-width: 0;
  }

  .hero__inner {
    gap: var(--space-md);
  }

  .contact__grid {
    gap: var(--space-lg);
  }
}

@media (max-width: 575px) {
  .logo__img {
    width: 42px;
    height: 42px;
  }

  .lang-btn {
    padding: 4px 8px;
    font-size: 0.7rem;
  }

  .burger {
    width: 36px;
    height: 36px;
  }

  .advantage-card:hover,
  .course-card:hover,
  .review-card:hover,
  .teacher-card:hover {
    transform: none;
  }

  .btn--primary:hover,
  .btn--outline:hover,
  .btn--accent:hover {
    transform: none;
  }

  .stat-card__num {
    font-size: 1.6rem;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--space-lg)) 0 var(--space-xl);
  }

  .hero__logo {
    width: min(260px, 40vw);
  }

  .page-hero__logo img {
    width: 72px;
    height: 72px;
  }
}

body.devtools-open > *:not(#devtools-shield) {
  filter: blur(12px);
  pointer-events: none;
  user-select: none;
}

#devtools-shield {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background: rgba(45, 27, 78, 0.92);
  color: #fff;
  text-align: center;
  font-size: 1.1rem;
  line-height: 1.6;
}

#devtools-shield[hidden] {
  display: none !important;
}

@supports (padding: max(0px)) {
  .header {
    padding-left: max(0px, env(safe-area-inset-left));
    padding-right: max(0px, env(safe-area-inset-right));
  }

  .container {
    padding-left: max(var(--space-sm), env(safe-area-inset-left));
    padding-right: max(var(--space-sm), env(safe-area-inset-right));
  }

  .footer {
    padding-bottom: max(var(--space-lg), env(safe-area-inset-bottom));
  }
}