@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('/fonts/plus-jakarta-sans-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('/fonts/plus-jakarta-sans-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

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

:root {
  --color-primary: #2563EB;
  --color-primary-dark: #1D4ED8;
  --color-accent: #7C3AED;
  --color-accent-hover: #6D28D9;
  --color-white: #FFFFFF;
  --color-light-bg: #F8FAFC;
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;
  --color-success: #10B981;
  --color-error: #EF4444;
  --font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 24px rgba(37, 99, 235, 0.08);
  --shadow-hover: 0 8px 32px rgba(37, 99, 235, 0.12);
  --shadow-lg: 0 16px 48px rgba(37, 99, 235, 0.15);
  --transition-fast: 0.2s ease;
  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  line-height: 1.6;
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  line-height: 1.2;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
}

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

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

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  padding: 8px 16px;
  font-size: 0.9rem;
}

.btn--ghost:hover {
  color: var(--color-accent);
}

.btn--sm {
  padding: 8px 20px;
  font-size: 0.875rem;
}

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

/* ============================================
   SECTION TITLES
   ============================================ */
.section__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 16px;
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.5;
}

/* ============================================
   COOKIE BANNER
   ============================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-text);
  color: var(--color-white);
  padding: 16px 0;
  z-index: 9999;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.cookie-banner--hidden {
  transform: translateY(100%);
  pointer-events: none;
}

.cookie-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.875rem;
}

.cookie-banner a {
  color: var(--color-white);
  text-decoration: underline;
}

.cookie-banner__close {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  min-height: 32px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-white);
  opacity: 0.7;
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.cookie-banner__close:hover {
  opacity: 1;
}

.hero__form-note a,
.form-checkbox-label a {
  color: inherit;
  text-decoration: underline;
}

/* ============================================
   STICKY HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast);
}

.header--scrolled {
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

.header__logo-img { height: 28px; width: auto; display: block; }
.footer__logo-img { height: 24px; width: auto; display: block; }

.header__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  flex-shrink: 0;
}

.header__logo-text {
  color: var(--color-accent);
}

.header__nav {
  display: flex;
  gap: 24px;
}

.header__nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.header__nav a:hover {
  color: var(--color-accent);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header__phone {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.header__phone:hover {
  color: var(--color-accent);
}

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.header__burger span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 64px 0 0 0;
  background: var(--color-white);
  z-index: 999;
  padding: 32px 20px;
  flex-direction: column;
  gap: 24px;
  overflow-y: auto;
}

.mobile-menu--open {
  display: flex;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-menu__nav a {
  text-decoration: none;
  color: var(--color-text);
  font-size: 1.125rem;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 50%, #F8FAFC 100%);
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 48px;
  align-items: start;
}

.hero__content {
  max-width: 640px;
}

.hero__title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero__highlight {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

/* Social proof */
.social-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  margin-bottom: 20px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.social-proof__stars {
  color: #F59E0B;
  letter-spacing: 2px;
}

.social-proof__divider {
  color: var(--color-border);
}

/* Price badge */
.hero__price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 32px;
}

.hero__price-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
}

.hero__price-label {
  font-size: 1rem;
  color: var(--color-text-muted);
}

/* Hero form */
.hero__form-wrapper {
  position: relative;
}

.hero__form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.hero__form-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.hero__form-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-family);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2364748B'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.form-group--checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.form-checkbox-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  cursor: pointer;
}

.hero__form-submit {
  margin-top: 8px;
  padding: 16px;
  font-size: 1.05rem;
}

.hero__form-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 12px;
}

.form-message {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  text-align: center;
}

.form-message.error {
  background: #FEF2F2;
  color: var(--color-error);
  border: 1px solid #FECACA;
}

.form-message.success {
  background: #F0FDF4;
  color: var(--color-success);
  border: 1px solid #BBF7D0;
}

/* ============================================
   ADVANTAGES SECTION (3 УТП)
   ============================================ */
.advantages {
  padding: 80px 0;
  background: var(--color-white);
}

.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.advantage-card {
  text-align: center;
  padding: 40px 28px;
  border-radius: var(--radius-md);
  background: var(--color-light-bg);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.advantage-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
}

.advantage-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.advantage-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   GUARANTEES SECTION
   ============================================ */
.guarantees {
  padding: 80px 0;
  background: var(--color-light-bg);
}

.guarantees__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.guarantee-card {
  padding: 32px 28px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.guarantee-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.guarantee-card__icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.guarantee-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.guarantee-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.guarantees__trust span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.guarantees__trust img {
  height: 24px;
  width: auto;
  vertical-align: middle;
}

.guarantees__trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 48px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ============================================
   STEPS SECTION (HOW IT WORKS)
   ============================================ */
.steps {
  padding: 80px 0;
  background: var(--color-light-bg);
}

.steps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-card {
  text-align: center;
  padding: 32px 24px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.step-card__number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  line-height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.9rem;
}

.step-card__icon {
  width: 120px;
  height: 120px;
  margin: 8px auto 24px;
}

.step-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.step-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================
   PROGRAMS SECTION
   ============================================ */
.programs {
  padding: 80px 0;
  background: var(--color-white);
}

.programs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.program-card {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius-md);
  background: var(--color-light-bg);
  border: 1.5px solid var(--color-border);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.program-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent);
}

.program-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.program-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.program-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.program-card__tag {
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 3px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.program-card__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.program-card__link:hover {
  text-decoration: underline;
}

/* ============================================
   ECOSYSTEM SECTION
   ============================================ */
.ecosystem {
  padding: 80px 0;
  background: var(--color-light-bg);
}

.ecosystem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.eco-card {
  padding: 28px 24px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.eco-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.eco-card__icon {
  font-size: 1.75rem;
  margin-bottom: 12px;
  display: block;
}

.eco-card__title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.eco-card__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================
   TEACHERS SECTION
   ============================================ */
.teachers {
  padding: 80px 0;
  background: var(--color-white);
}

.teachers__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.teacher-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.teacher-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.teacher-card__photo {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.teacher-card__initials {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
}

.teacher-card__online {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-success);
  border: 2px solid var(--color-white);
}

.teacher-card__info {
  padding: 16px;
}

.teacher-card__name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.teacher-card__meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.teacher-card__specialty {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 12px;
  line-height: 1.4;
}

.teacher-card__stats {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.teachers__more {
  text-align: center;
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing {
  padding: 80px 0;
  background: var(--color-light-bg);
}

.pricing__grid {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  border: 2px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  max-width: 400px;
  width: 100%;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.pricing-card--popular {
  border-color: var(--color-accent);
}



.pricing-card__header {
  margin-bottom: 20px;
}

.pricing-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.pricing-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.pricing-card__amount {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
}

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



.pricing-card__features {
  list-style: none;
  margin-bottom: 24px;
}

.pricing-card__features li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-light-bg);
}

.pricing-card__features li:last-child {
  border-bottom: none;
}

.pricing__b2b {
  text-align: center;
  padding: 24px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--color-text);
}

.pricing__b2b a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}

.pricing__b2b a:hover {
  text-decoration: underline;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
  padding: 80px 0;
  background: var(--color-white);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: var(--color-white);
  box-shadow: var(--shadow-card);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: 16px;
}

.testimonial-card__stars {
  margin-bottom: 12px;
  letter-spacing: 2px;
  font-size: 1rem;
}

.testimonial-card__text {
  font-style: italic;
  line-height: 1.6;
  font-size: 0.9375rem;
  margin-bottom: 16px;
}

.testimonial-card__author {
  font-style: normal;
  font-size: 0.8rem;
  opacity: 0.85;
}

/* ============================================
   B2B SECTION
   ============================================ */
.b2b {
  padding: 80px 0;
  background: var(--color-primary);
  color: var(--color-white);
}

.b2b__inner {
  display: flex;
  justify-content: center;
}

.b2b__content {
  max-width: 640px;
  text-align: center;
}

.b2b__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.b2b__subtitle {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: 40px;
  line-height: 1.5;
}

.b2b__features {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.b2b-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.b2b-feature svg {
  width: 56px;
  height: 56px;
}

.b2b-feature--wide svg {
  width: 160px;
  height: 90px;
}

.b2b-feature__label {
  font-size: 0.875rem;
  font-weight: 600;
  opacity: 0.9;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
  padding: 80px 0;
  background: var(--color-light-bg);
}

.faq__list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}

.faq-item__question {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.faq-item__question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

details[open] .faq-item__question::after {
  content: '−';
}

.faq-item__answer {
  padding-top: 12px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   FINAL CTA SECTION
   ============================================ */
.final-cta {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: var(--color-white);
  text-align: center;
}

.final-cta__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.final-cta__subtitle {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: 32px;
}

.final-cta__btn {
  background: var(--color-white);
  color: var(--color-accent);
  padding: 18px 48px;
  font-size: 1.1rem;
}

.final-cta__btn:hover {
  background: var(--color-light-bg);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 40px 0;
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-white);
}

.footer__nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer__nav a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer__nav a:hover {
  color: var(--color-white);
}

.footer__requisites {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.8rem;
  opacity: 0.75;
}

.footer__sbp {
  height: 26px;
  width: 26px;
  border-radius: 6px;
}

.footer__requisites a {
  color: inherit;
}

.footer__copy {
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr 380px;
    gap: 32px;
  }

  .advantages__grid,
  .guarantees__grid,
  .programs__grid,
  .ecosystem__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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


}

@media (max-width: 768px) {
  :root {
    --max-width: 100%;
  }

  .header__nav,
  .header__actions {
    display: none;
  }

  .header__burger {
    display: flex;
  }

  .hero {
    padding: 100px 0 60px;
  }

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

  .hero__title {
    font-size: 2rem;
  }

  .hero__price-value {
    font-size: 2rem;
  }

  .social-proof {
    flex-wrap: wrap;
    gap: 8px;
  }

  .advantages__grid,
  .steps__grid,
  .programs__grid,
  .ecosystem__grid,
  .teachers__grid,
  .testimonials__grid {
    grid-template-columns: 1fr;
  }

  .section__title {
    font-size: 1.75rem;
    margin-bottom: 32px;
  }

  .cookie-banner__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 1.6rem;
  }

  .hero__form {
    padding: 24px 20px;
  }

  .pricing-card {
    padding: 24px 20px;
  }
}

/* ============================================
   ACCESSIBILITY & FOCUS
   ============================================ */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}