:root {
  --color-bg: #ffffff;
  --color-surface: #f7faf9;
  --color-border: #e1e7e5;
  --color-primary: #1f9d55;
  --color-primary-soft: #e1f6eb;
  --color-primary-dark: #187c44;
  --color-accent: #0f766e;
  --color-text-main: #111827;
  --color-text-muted: #6b7280;
  --color-text-soft: #9ca3af;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.08);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition-fast: 0.18s ease-out;
  --max-width: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text-main);
}

body {
  line-height: 1.5;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font-family: inherit;
}

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

/* Header */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 20px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 20% 20%, #bbf7d0 0, #16a34a 45%, #15803d 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f9fafb;
  font-weight: 700;
  font-size: 18px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-weight: 600;
  font-size: 18px;
}

.logo-subtitle {
  font-size: 12px;
  color: var(--color-text-soft);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.nav__link {
  color: var(--color-text-muted);
  padding: 6px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text-main);
}

.nav__link:hover::after {
  width: 100%;
}

.header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 16px;
  white-space: nowrap;
}

.header__burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
}

.header__burger span {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: #0f172a;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Buttons */

.btn {
  border-radius: 999px;
  border: none;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(22, 163, 74, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 18px 38px rgba(22, 163, 74, 0.35);
}

.btn-secondary {
  background-color: #0f172a;
  color: #f9fafb;
}

.btn-secondary:hover {
  background-color: #020617;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(34, 197, 94, 0.4);
}

.btn-outline:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-muted);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.btn-ghost:hover {
  color: var(--color-text-main);
  border-color: rgba(15, 23, 42, 0.6);
  background-color: #f9fafb;
}

.btn-telegram {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #f9fafb;
  box-shadow: 0 14px 30px rgba(56, 189, 248, 0.3);
}

.btn-telegram:hover {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  transform: translateY(-1px);
}

/* Hero */

.hero {
  padding: 48px 0 64px;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.hero__title {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 16px;
  letter-spacing: -0.03em;
}

.hero__subtitle {
  margin: 0 0 18px;
  color: var(--color-text-muted);
  font-size: 15px;
}

.hero__bullets {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: var(--color-text-main);
}

.hero__bullets li::before {
  content: "•";
  color: var(--color-primary);
  margin-right: 6px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero__highlight {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  background: radial-gradient(circle at 0 0, #dcfce7 0, #ffffff 40%, #e5f3ff 100%);
  border-radius: 28px;
  padding: 22px 22px 20px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(209, 250, 229, 0.9);
  max-width: 360px;
}

.hero-card__label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-soft);
  margin-bottom: 8px;
}

.hero-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.hero-card__list li {
  padding: 10px 12px;
  border-radius: 14px;
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(226, 232, 240, 0.6);
}

.hero-card__list span {
  display: block;
  font-size: 12px;
  color: var(--color-text-soft);
}

.hero-card__list strong {
  display: block;
  font-size: 13px;
  color: #111827;
}

/* Sections */

.section {
  padding: 56px 0;
}

.section--muted {
  background-color: var(--color-surface);
}

.section__inner {
  display: flex;
  gap: 40px;
}

.section__inner--two-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 40px;
}

.section__inner--align-top {
  align-items: flex-start;
}

.section__title {
  font-size: 24px;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.section__title--center {
  text-align: center;
}

.section__subtitle {
  margin: 0 0 28px;
  color: var(--color-text-muted);
  font-size: 15px;
}

.section__subtitle--center {
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section__text {
  margin: 0 0 12px;
  color: var(--color-text-muted);
  font-size: 15px;
}

/* About */

.about-highlights {
  display: grid;
  gap: 16px;
}

.about-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 14px 14px 12px;
  background: #ffffff;
}

.about-card__label {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  background-color: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.about-card strong {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
}

.about-card p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

/* Features */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 16px 16px 14px;
  background-color: #ffffff;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.feature-card p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

.feature-card:hover {
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
  transform: translateY(-2px);
  border-color: rgba(34, 197, 94, 0.55);
  background-color: #f9fffb;
}

/* Benefits */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.benefit-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 16px 16px 14px;
  background-color: #ffffff;
}

.benefit-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.benefit-card p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

/* Pricing */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.pricing-card {
  border-radius: 22px;
  border: 1px solid var(--color-border);
  padding: 18px 18px 16px;
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.pricing-card--featured {
  border-color: rgba(34, 197, 94, 0.8);
  box-shadow: var(--shadow-soft);
  background: radial-gradient(circle at 0 0, #e0f2fe 0, #ffffff 52%);
}

.pricing-card__badge {
  position: absolute;
  top: 12px;
  right: 14px;
  padding: 4px 9px;
  border-radius: 999px;
  background-color: #0f172a;
  color: #e5e7eb;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.pricing-card h3 {
  margin: 0 0 4px;
  font-size: 16px;
}

.pricing-card__desc {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.pricing-card__features {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: grid;
  gap: 4px;
  font-size: 13px;
  color: var(--color-text-main);
}

.pricing-card__features li::before {
  content: "✓";
  color: var(--color-primary-dark);
  font-weight: 600;
  margin-right: 6px;
}

.pricing-card .btn {
  align-self: flex-start;
}

/* Contacts */

.contacts-block {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.contacts-item {
  display: flex;
  flex-direction: column;
}

.contacts-label {
  font-size: 12px;
  color: var(--color-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.contacts-value {
  font-size: 15px;
  color: var(--color-text-main);
}

.contacts-value:hover {
  color: var(--color-primary-dark);
}

.contacts-actions {
  margin-top: 18px;
}

.contact-form {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 18px 18px 16px;
  background-color: #ffffff;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.04);
}

.contact-form__title {
  margin: 0 0 14px;
  font-size: 17px;
}

.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
}

.contact-form__field label {
  font-size: 13px;
  color: var(--color-text-soft);
}

.contact-form__field input,
.contact-form__field textarea {
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 8px 10px;
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.contact-form__field input::placeholder,
.contact-form__field textarea::placeholder {
  color: #cbd5f5;
}

.contact-form__field input:focus,
.contact-form__field textarea:focus {
  border-color: rgba(34, 197, 94, 0.85);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.25);
  background-color: #ffffff;
}

.contact-form__footer {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
}

.contact-form__note {
  margin: 0;
  font-size: 11px;
  color: var(--color-text-soft);
}

.contact-form__success {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--color-primary-dark);
}

/* Footer */

.footer {
  border-top: 1px solid rgba(226, 232, 240, 0.9);
  padding: 18px 0;
  background-color: #ffffff;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 12px;
  color: var(--color-text-soft);
}

.footer__brand {
  font-weight: 600;
  color: var(--color-text-main);
}

.footer__copy {
  display: block;
}

.footer__legal {
  margin: 0;
}

.footer__link {
  color: var(--color-text-soft);
}

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

/* Responsive */

@media (max-width: 992px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__highlight {
    justify-content: flex-start;
  }

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

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

@media (max-width: 768px) {
  .header__inner {
    padding-inline: 16px;
  }

  .nav {
    position: absolute;
    inset-inline: 0;
    top: 56px;
    background-color: #ffffff;
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
    padding: 10px 20px 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
  }

  .nav--open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .header__cta {
    display: none;
  }

  .header__burger {
    display: inline-flex;
  }

  .hero {
    padding-top: 32px;
  }

  .section {
    padding: 40px 0;
  }

  .features-grid,
  .benefits-grid,
  .pricing-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

@media (max-width: 480px) {
  .hero__title {
    font-size: 24px;
  }

  .hero-card {
    padding: 18px 16px 14px;
  }

  .contact-form {
    padding: 16px 14px 14px;
  }
}