/* Главная страница — hero, как это работает, преимущества, FAQ, форма */
.hero {
  padding: 64px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 24px;
  color: var(--color-text);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 32px;
}

/* Как это работает */
.how-section {
  padding: 80px 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.step-card {
  padding: 24px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}

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

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: 50%;
  margin-bottom: 16px;
}

.step-img {
  display: block;
  margin: 0 auto 16px;
  width: 120px;
  height: 120px;
  object-fit: contain;
}

.step-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.step-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.how-section .btn {
  margin-top: 32px;
}

/* Преимущества */
.benefits-section {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.benefit-card {
  padding: 28px;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.benefit-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.benefit-icon {
  display: block;
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  object-fit: contain;
}

.benefit-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.benefit-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* НПД блок */
.npd-section {
  padding: 80px 0;
}

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

.npd-content p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
}

.npd-list {
  margin: 24px 0;
  padding-left: 24px;
}

.npd-list li {
  margin-bottom: 8px;
  list-style: decimal;
}

.npd-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.npd-links a {
  font-weight: 500;
}

/* FAQ аккордеон */
.faq-section {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

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

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

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-question::after {
  content: '−';
}

.faq-answer {
  display: none;
  padding: 0 0 20px;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  display: block;
}

/* Форма обратной связи */
.contact-form-section {
  padding: 80px 0;
}

.form-box {
  max-width: 480px;
  margin: 0 auto;
  padding: 40px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.form-box label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
}

.form-box input,
.form-box textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

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

.form-box .btn {
  width: 100%;
  margin-top: 8px;
}

.form-agree {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 16px;
}

.form-agree a {
  text-decoration: underline;
}

/* Cookie уведомление */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 24px;
  background: var(--color-text);
  color: #cbd5e1;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  z-index: 200;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

.cookie-banner.hidden {
  display: none;
}

.cookie-banner a {
  color: var(--color-accent);
}

.cookie-banner .btn {
  flex-shrink: 0;
  background: var(--color-primary);
  color: #fff;
}

.cookie-banner .btn:hover {
  background: var(--color-primary-hover);
}