:root {
  --color-primary: #1b5fc8;
  --color-primary-dark: #1b6fa8;
  --color-bg-light: #ebf4fb;
  --color-navy: #0c1626;
  --color-text: #0d0d0d;
  --color-gray: #666666;
  --color-border: rgba(0, 0, 0, 0.1);
  --color-white: #ffffff;
  --radius-sm: 10px;
  --radius-md: 15px;
  --radius-lg: 20px;
  --radius-xl: 25px;
  --radius-xxl: 30px;
  --radius-btn: 13px;
  --container-max: 1440px;
  --content-max: 1160px;
  --font-heading: 'Manrope', sans-serif;
  --font-button: 'Inter', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1.3;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

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

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

.section-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.05;
  margin: 0 0 20px;
}

.section-subtitle {
  font-size: 20px;
  font-weight: 400;
  color: var(--color-text);
  margin: 0 0 60px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-button);
  font-weight: 600;
  font-size: 16px;
  border-radius: var(--radius-btn);
  padding: 16px 32px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background-color 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.9;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 20px;
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.btn--outline-dark {
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.5);
  color: var(--color-text);
  font-size: 20px;
  font-weight: 600;
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  font-size: 20px;
  font-weight: 600;
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 20px;
}

.btn--lg {
  padding: 18px 40px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.2s ease;
}

.header.is-scrolled {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 80px;
  max-width: var(--content-max);
}

.logo {
  display: flex;
  align-items: center;
  gap: 13px;
  flex-shrink: 0;
}

.logo__badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-primary-dark);
  color: var(--color-white);
  font-weight: 700;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo__text {
  font-weight: 700;
  font-size: 20px;
  color: #0d1b27;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
  justify-content: center;
}

.nav__link {
  font-size: 16px;
  color: rgba(0, 0, 0, 0.6);
  white-space: nowrap;
}

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

.header__cta {
  flex-shrink: 0;
}

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.burger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.burger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.burger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  padding: 80px 0;
  background: var(--color-white);
}

.hero__inner {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero__content {
  flex: 1;
  min-width: 0;
}

.hero__title {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.05;
  margin: 0 0 24px;
}

.hero__subtitle {
  font-size: 20px;
  font-weight: 400;
  margin: 0 0 40px;
}

.hero__mock {
  flex: 1;
  max-width: 532px;
  width: 100%;
}

.mock-card {
  background: #f6f7fb;
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mock-card__bubble {
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 15px;
  line-height: 1.3;
}

.mock-card__bubble--user {
  background: var(--color-primary);
  color: var(--color-white);
  border-bottom-right-radius: 2px;
  align-self: flex-end;
}

.mock-card__bubble--answer {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-bottom-right-radius: 2px;
  box-shadow: 2px 2px 5px 0 rgba(0, 0, 0, 0.1);
}

.mock-card__bubble--answer p {
  margin: 8px 0;
}

.mock-card__bubble--answer ol,
.mock-card__bubble--answer ul {
  margin: 4px 0 12px;
  padding-left: 20px;
}

.mock-card__bubble--answer ol {
  list-style: decimal;
}

.mock-card__bubble--answer ul {
  list-style: disc;
}

/* Steps */
.steps {
  background: var(--color-bg-light);
  padding: 100px 0;
}

.steps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step-card {
  background: var(--color-white);
  border: 1px solid rgba(143, 143, 143, 0.2);
  border-radius: var(--radius-md);
  box-shadow: 2px 2px 5px 0 rgba(0, 0, 0, 0.1);
  padding: 24px;
}

.step-card__number {
  width: 50px;
  height: 50px;
  border-radius: 5px;
  background: #cde9ff;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 47px;
}

.step-card__title {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 12px;
}

.step-card__text {
  font-size: 20px;
  font-weight: 400;
  margin: 0;
}

/* Features */
.features {
  padding: 100px 0;
  background: var(--color-white);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.feature-card {
  background: var(--color-white);
  border: 1px solid rgba(143, 143, 143, 0.2);
  border-radius: var(--radius-md);
  box-shadow: 2px 2px 5px 0 rgba(0, 0, 0, 0.1);
  padding: 24px;
}

.feature-card__icon {
  width: 50px;
  height: 50px;
  margin-bottom: 16px;
  object-fit: contain;
}

.feature-card__title {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 12px;
}

.feature-card__text {
  font-size: 20px;
  font-weight: 400;
  margin: 0;
}

.feature-banner {
  grid-column: 1 / -1;
  position: relative;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  padding: 24px;
  color: var(--color-white);
  overflow: hidden;
  min-height: 266px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-banner__icon {
  width: 50px;
  height: 50px;
  margin-bottom: 16px;
  object-fit: contain;
}

.feature-banner__title {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 12px;
  max-width: 500px;
}

.feature-banner__text {
  font-size: 20px;
  font-weight: 400;
  margin: 0;
  max-width: 560px;
  position: relative;
  z-index: 1;
}

.feature-banner__decor {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 399px;
  height: auto;
  opacity: 0.3;
  object-fit: cover;
  pointer-events: none;
}

/* Privacy */
.privacy-wrap {
  padding: 100px 0;
  background: var(--color-white);
}

.privacy {
  position: relative;
  background: var(--color-navy);
  border-radius: var(--radius-xxl);
  padding: 60px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.privacy__glow {
  position: absolute;
  right: -120px;
  top: -260px;
  width: 458px;
  height: 458px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27, 95, 200, 0.6) 0%, rgba(27, 95, 200, 0) 70%);
  pointer-events: none;
}

.privacy__content {
  position: relative;
  z-index: 1;
}

.privacy__title {
  color: var(--color-white);
  font-size: 48px;
  font-weight: 800;
  line-height: 1.05;
  margin: 0 0 24px;
}

.privacy__text {
  color: var(--color-white);
  font-size: 20px;
  font-weight: 400;
  margin: 0 0 40px;
  max-width: 380px;
}

.privacy__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.privacy__cell {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 20px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.privacy__cell-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  object-fit: contain;
}

.privacy__cell-text {
  color: var(--color-white);
  font-size: 20px;
  font-weight: 600;
  margin: 0;
}

/* Pricing */
.pricing {
  padding: 100px 0;
  background: var(--color-white);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: start;
}

.price-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 2px 2px 10px 0 rgba(0, 0, 0, 0.15);
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
  min-height: 426px;
}

.price-card--featured {
  border: 3px solid var(--color-primary);
  transform: translateY(-15px);
  min-height: 456px;
}

.price-card__badge {
  position: absolute;
  top: -19px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 16px;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.price-card__badge--gray {
  background: #e6e6e6;
  color: #666;
}

.price-card__plan {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 12px;
}

.price-card__price {
  font-size: 40px;
  font-weight: 800;
  margin: 0 0 12px;
}

.price-card__price span {
  font-size: 16px;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.7);
}

.price-card__old {
  font-size: 16px;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.7);
  margin-left: 8px;
}

.price-card__desc {
  font-size: 16px;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.7);
  margin: 0 0 24px;
  min-height: 42px;
}

.price-card__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0 0 32px;
  flex: 1;
}

.price-card__list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 16px;
  font-weight: 400;
}

.price-card__list img {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.price-card__btn {
  width: 100%;
}

/* FAQ */
.faq {
  padding: 100px 0;
  background: var(--color-bg-light);
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 2px 2px 5px 0 rgba(0, 0, 0, 0.15);
  box-sizing: border-box;
  padding: 30px 30px;
}

.faq-item__head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item__body {
  height: 0;
  overflow: hidden;
  transition: height 0.25s ease;
}

.faq-item__body p {
  margin: 16px 0 0;
  font-size: 20px;
  font-weight: 400;
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(45deg);
}

/* CTA */
.cta-wrap {
  padding: 100px 0;
  background: var(--color-white);
}

.cta {
  position: relative;
  background: linear-gradient(135deg, #2771df, var(--color-primary));
  border-radius: var(--radius-xl);
  padding: 60px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
  min-height: 300px;
}

.cta__content {
  position: relative;
  z-index: 1;
}

.cta__title {
  color: var(--color-white);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.05;
  margin: 0 0 24px;
}

.cta__text {
  color: var(--color-white);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 40px;
  max-width: 460px;
}

.cta__image {
  position: absolute;
  right: 5.7%;
  bottom: 0;
  top: -30px;
  height: calc(100% + 30px);
  width: 36.9%;
  object-fit: contain;
  object-position: bottom;
}

/* Organizations */
.organizations {
  padding: 100px 0;
  background: var(--color-white);
}

.organizations__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.organizations__lead {
  font-size: 20px;
  margin: 0 0 16px;
}

.organizations__text {
  font-size: 20px;
  margin: 0 0 32px;
}

.organizations__image {
  width: 100%;
  border-radius: var(--radius-xl);
  object-fit: cover;
}

/* Footer */
.footer {
  background: var(--color-bg-light);
  padding: 80px 0 40px;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 60px;
}

.footer__brand {
  flex: 0 1 380px;
}

.footer__desc {
  font-size: 16px;
  margin-top: 24px;
  max-width: 300px;
}

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

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1 1 140px;
  min-width: 140px;
  max-width: 220px;
}

.footer__heading {
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 8px;
}

.footer__col a {
  font-size: 16px;
  color: var(--color-text);
}

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

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 30px;
  padding: 24px 0;
}

.footer__copy,
.footer__legal {
  font-size: 16px;
  color: var(--color-gray);
  margin: 0;
}

.footer__disclaimer {
  font-size: 16px;
  color: var(--color-gray);
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

/* Responsive */
@media (max-width: 1100px) {
  .hero__inner {
    flex-direction: column;
  }

  .hero__mock {
    max-width: 100%;
  }

  .steps__grid,
  .features__grid,
  .pricing__grid {
    grid-template-columns: 1fr;
  }

  .feature-banner {
    grid-column: auto;
  }

  .price-card--featured {
    transform: none;
    order: -1;
  }

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

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

  .cta__image {
    position: static;
    margin-top: 24px;
    width: 100%;
    max-width: 320px;
    height: auto;
  }

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

  .organizations__image {
    order: -1;
  }

  .footer__top {
    flex-direction: column;
  }

  .footer__brand {
    flex: none;
  }

  .footer__links {
    gap: 40px;
    flex-wrap: wrap;
  }

  .footer__col {
    flex: 1 1 140px;
  }
}

@media (max-width: 860px) {
  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 20px;
    gap: 20px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
  }

  .header__cta {
    display: none;
  }

  .burger {
    display: flex;
  }

  .hero__title {
    font-size: 44px;
  }

  .section-title {
    font-size: 34px;
  }

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

@media (max-width: 560px) {
  .hero {
    padding: 48px 0;
  }

  .hero__title {
    font-size: 34px;
  }

  .section-title {
    font-size: 28px;
  }

  .section-subtitle {
    margin-bottom: 32px;
  }

  .steps, .features, .pricing, .faq, .cta-wrap, .privacy-wrap, .organizations {
    padding: 60px 0;
  }

  .privacy, .cta {
    padding: 32px;
  }

  .footer__links {
    gap: 24px 32px;
  }

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