body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #0A1A36;
  color: #fff;
  min-height: 100vh;
  min-height: 100dvh; /* Для современных браузеров */
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero {
  background: #0A1A36;
  padding: 80px 0 60px 0;
  text-align: center;
}

.hero__logo {
  height: 260px;
}

.hero__content h1 {
  font-size: 3.5rem;
  margin-bottom: 18px;
  font-weight: 700;
}

.hero__content p {
  font-size: 1.4rem;
  margin-bottom: 32px;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  padding: 16px 40px;
  border-radius: 32px;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: #2EC4F1;
  color: #0A1A36;
}

.btn-primary:hover {
  background: #fff;
  color: #2EC4F1;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(46, 196, 241, 0.3);
}

.btn-animated {
  position: relative;
  overflow: hidden;
}

.btn-animated::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-animated:hover::before {
  width: 300px;
  height: 300px;
}

.btn-secondary {
  background: transparent;
  color: #2EC4F1;
  border: 2px solid #2EC4F1;
}

.btn-secondary:hover {
  background: #2EC4F1;
  color: #0A1A36;
  transform: translateY(-2px);
}

.pricing {
  padding: 80px 0 60px 0;
  background: #11224A;
}

.pricing__container h2 {
  text-align: center;
  margin-bottom: 50px;
  font-size: 3rem;
  font-weight: 700;
}

.pricing__list {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
}

.pricing__item {
  background: #0A1A36;
  border-radius: 18px;
  padding: 36px 28px;
  width: 270px;
  text-align: center;
  box-shadow: 0 2px 16px rgba(46,196,241,0.09);
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.pricing__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(46,196,241,0.2);
}

.pricing__item--popular {
  border: 2px solid #2EC4F1;
  transform: scale(1.05);
}

.price {
  font-size: 2.2rem;
  color: #2EC4F1;
  margin: 18px 0 18px 0;
  font-weight: 700;
}

.pricing__item ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
}

.pricing__item ul li {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
}

.checkmark {
  color: #2EC4F1;
  font-weight: bold;
  margin-right: 10px;
  font-size: 1.2rem;
}

.features {
  padding: 80px 0 60px 0;
  background: #2EC4F1;
  color: #0A1A36;
}

.features__container h2 {
  text-align: center;
  margin-bottom: 50px;
  font-size: 3rem;
  font-weight: 700;
  color: #0A1A36;
}

.features__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  justify-content: center;
}

.feature {
  background: rgba(10, 26, 54, 0.1);
  border: 1px solid rgba(10, 26, 54, 0.2);
  border-radius: 18px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.feature:hover {
  background: rgba(10, 26, 54, 0.15);
  transform: translateY(-5px);
}

.feature__icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.feature h3 {
  color: #0A1A36;
  font-size: 1.4rem;
  margin-bottom: 15px;
  font-weight: 600;
}

.feature p {
  color: #0A1A36;
  opacity: 0.8;
  line-height: 1.6;
}

.how-to-start {
  padding: 80px 0 60px 0;
  background: #0A1A36;
}

.how-to-start__container h2 {
  text-align: center;
  margin-bottom: 50px;
  font-size: 3rem;
  font-weight: 700;
}

.steps {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: center;
  align-items: flex-start;
}

.step {
  text-align: center;
  max-width: 200px;
  position: relative;
}

.step__number {
  position: absolute;
  top: -10px;
  left: -10px;
  background: #2EC4F1;
  color: #0A1A36;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
  z-index: 2;
}

.step__icon {
  font-size: 3rem;
  margin-bottom: 20px;
  background: #11224A;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border: 2px solid #2EC4F1;
}

.step h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: #2EC4F1;
  font-weight: 600;
}

.step p {
  font-size: 0.95rem;
  line-height: 1.5;
  opacity: 0.9;
}

.faq {
  padding: 80px 0 60px 0;
  background: #11224A;
}

.faq__container h2 {
  text-align: center;
  margin-bottom: 50px;
  font-size: 3rem;
  font-weight: 700;
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  margin-bottom: 24px;
  background: #0A1A36;
  border-radius: 12px;
  padding: 25px 30px;
  border-left: 4px solid #2EC4F1;
  transition: all 0.3s ease;
}

.faq__item:hover {
  transform: translateX(5px);
  box-shadow: 0 5px 15px rgba(46,196,241,0.1);
}

.faq__item h3 {
  margin: 0 0 15px 0;
  font-size: 1.3rem;
  color: #2EC4F1;
  font-weight: 600;
}

.faq__item p {
  margin: 0;
  line-height: 1.6;
  opacity: 0.9;
}

.contact {
  padding: 60px 0 40px 0;
  background: #0A1A36;
  text-align: center;
}

.contact__container h2 {
  margin-bottom: 20px;
  font-size: 2.5rem;
  font-weight: 700;
}

.contact__container a {
  color: #2EC4F1;
  text-decoration: underline;
  font-size: 1.1rem;
}

.footer {
  background: #11224A;
  padding: 30px 0;
  text-align: center;
  color: #fff;
  font-size: 0.95rem;
}

.footer__container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.footer__links {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer__links a {
  color: #2EC4F1;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.footer__links a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.why-bibnet {
  padding: 80px 0;
  background: #11224A;
}

.why-bibnet__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.why-bibnet__header {
  text-align: center;
  margin-bottom: 60px;
}

.why-bibnet__header h2 {
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 15px;
}

.why-bibnet__subtitle {
  font-size: 1.2rem;
  color: #B8C5E8;
  margin: 0;
}

.why-bibnet__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  justify-content: center;
}

.why-bibnet__feature {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 30px;
  background: #0A1A36;
  border-radius: 18px;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.why-bibnet__feature:hover {
  transform: translateY(-5px);
  border-color: #2EC4F1;
  box-shadow: 0 10px 30px rgba(46,196,241,0.2);
}

.why-bibnet__icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2EC4F1, #1A8FBF);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.why-bibnet__icon svg {
  width: 30px;
  height: 30px;
  fill: #fff;
}

.why-bibnet__feature:hover .why-bibnet__icon {
  transform: scale(1.1);
}

.why-bibnet__content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 10px 0;
}

.why-bibnet__content p {
  font-size: 1rem;
  color: #B8C5E8;
  line-height: 1.6;
  margin: 0;
}

.how-to-start-bib {
  padding: 80px 0;
  background: #0A1A36;
}

.how-to-start-bib__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.how-to-start-bib__header {
  text-align: center;
  margin-bottom: 60px;
}

.how-to-start-bib__header h2 {
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 15px;
}

.how-to-start-bib__subtitle {
  font-size: 1.2rem;
  color: #B8C5E8;
  margin: 0;
}

.how-to-start-bib__steps {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 0;
}

.bib-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  max-width: 300px;
}

.bib-step__highlight {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
}

.bib-step__line {
  height: 2px;
  flex-grow: 1;
  background: #2EC4F1;
  opacity: 0.3;
}

.bib-step:first-child .bib-step__line:first-child,
.bib-step:last-child .bib-step__line:last-child {
  opacity: 0;
}

.bib-step__icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #2EC4F1, #1A8FBF);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin: 0 20px;
  transition: all 0.3s ease;
}

.bib-step__icon:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 30px rgba(46,196,241,0.3);
}

.bib-step__icon i {
  font-size: 24px;
  color: #fff;
}

.bib-step__label {
  position: absolute;
  bottom: -5px;
  right: -5px;
  width: 24px;
  height: 24px;
  background: #fff;
  color: #2EC4F1;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  border: 2px solid #2EC4F1;
}

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

.bib-step__content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 15px 0;
}

.bib-step__content p {
  font-size: 1rem;
  color: #B8C5E8;
  line-height: 1.6;
  margin: 0;
}

.bib-step__content a {
  color: #2EC4F1;
  text-decoration: underline;
  transition: color 0.3s ease;
}

.bib-step__content a:hover {
  color: #fff;
}

/* terms*/
.terms-hero {
  background: #0A1A36;
  text-align: center;
}

.terms-hero__content h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  font-weight: 700;
}

.terms-hero__content p {
  font-size: 1.2rem;
  margin-bottom: 24px;
  opacity: 0.9;
}

.terms-content {
  background: #0A1A36;
  padding: 40px 0 80px 0;
}

.terms-card {
  background: #1A2B4C;
  border-radius: 20px;
  padding: 40px;
  margin: 0 auto;
  max-width: 900px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border: 1px solid #2A3B5C;
  counter-reset: section-counter;
}

.terms-section {
  margin-bottom: 40px;
  padding: 24px;
  background: rgba(46, 196, 241, 0.05);
  border-radius: 16px;
  border-left: 4px solid #2EC4F1;
}

.terms-section:last-child {
  margin-bottom: 0;
}

.terms-section h2 {
  color: #2EC4F1;
  font-size: 1.5rem;
  margin: 0 0 20px 0;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
}

.terms-section h2::before {
  content: counter(section-counter);
  counter-increment: section-counter;
  background: #2EC4F1;
  color: #0A1A36;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.terms-section p {
  color: #E5E5E5;
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 16px 0;
  text-align: justify;
}

.terms-section p:last-child {
  margin-bottom: 0;
}

.terms-section ul {
  padding-left: 24px;
  margin: 16px 0;
  color: #E5E5E5;
}

.terms-section li {
  margin-bottom: 12px;
  line-height: 1.6;
}

.terms-section li strong {
  color: #2EC4F1;
  font-weight: 600;
}

.highlight {
  background: rgba(46, 196, 241, 0.2);
  padding: 4px 8px;
  border-radius: 8px;
  font-weight: 600;
  color: #2EC4F1;
  border: 1px solid rgba(46, 196, 241, 0.3);
  display: inline-block;
  margin: 2px 0;
}

.warning-box {
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 193, 7, 0.2) 100%);
  border: 1px solid #FFC107;
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
  position: relative;
  overflow: hidden;
}

.warning-box::before {
  content: '⚠️';
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 20px;
}

.warning-box .warning-content {
  margin-left: 40px;
  font-weight: 500;
  color: #FFE082;
}

.danger-box {
  background: linear-gradient(135deg, rgba(255, 77, 77, 0.1) 0%, rgba(255, 77, 77, 0.2) 100%);
  border: 1px solid #FF4D4D;
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
  position: relative;
  overflow: hidden;
}

.danger-box::before {
  content: '🚫';
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 20px;
}

.danger-box .danger-content {
  margin-left: 40px;
  font-weight: 500;
  color: #FFCDD2;
}

.terms-section a {
  color: #2EC4F1;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
}

.terms-section a:hover {
  color: #5AD4F7;
  border-bottom-color: #5AD4F7;
}

.terms-footer {
  text-align: center;
  margin-top: 40px;
  margin-bottom: 20px;
  padding: 0px;
  background: rgba(46, 196, 241, 0.05);
  border-radius: 16px;
  border: 1px solid rgba(46, 196, 241, 0.2);
}

.acceptance-notice {
  font-size: 18px;
  color: #2EC4F1;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.document-meta {
  font-size: 14px;
  color: #8A8A8A;
  margin: 0;
}

.back-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #2EC4F1;
  border: 2px solid #2EC4F1;
  padding: 12px 24px;
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-bottom: 20px;
}

.back-button:hover {
  background: #2EC4F1;
  color: #0A1A36;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(46, 196, 241, 0.3);
}

@media (max-width: 768px) {
  .terms-hero__content h1 {
    font-size: 2rem;
  }

  .terms-card {
    padding: 20px;
    margin: 0 10px;
  }

  .terms-section {
    padding: 16px;
    margin-bottom: 24px;
  }

  .terms-section h2 {
    font-size: 1.3rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .terms-section p {
    font-size: 14px;
    text-align: left;
  }

  .terms-footer {
    padding: 20px;
  }

  .acceptance-notice {
    font-size: 16px;
    flex-direction: column;
    gap: 4px;
  }
}

@media (max-width: 1200px) {
  .features__list {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
  
  .why-bibnet__features {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 900px) {
  .pricing__list {
    flex-direction: column;
    align-items: center;
  }
  
  .features__list {
    grid-template-columns: 1fr;
  }
  
  .why-bibnet__features {
    grid-template-columns: 1fr;
  }
  
  .steps {
    flex-direction: column;
    align-items: center;
  }
  
  .footer__links {
    flex-direction: column;
    gap: 15px;
  }
  
  .how-to-start-bib__steps {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }
  
  .bib-step__highlight {
    flex-direction: column;
    align-items: center;
  }
  
  .bib-step__line {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero__content h1 {
    font-size: 2.5rem;
  }
  
  .hero__logo {
    height: 80px;
  }
  
  .pricing__container h2,
  .features__container h2,
  .why-bibnet__header h2,
  .how-to-start-bib__header h2,
  .how-to-start__container h2,
  .faq__container h2 {
    font-size: 2.2rem;
  }
  
  .container {
    padding: 0 15px;
  }
  
  .features__list {
    grid-template-columns: 1fr;
  }
  
  .why-bibnet__features {
    gap: 30px;
  }
  
  .why-bibnet__feature {
    flex-direction: column;
    text-align: center;
    padding: 25px;
  }
  
  .why-bibnet__icon {
    margin: 0 auto 20px auto;
  }
  
  .bib-step__icon {
    width: 70px;
    height: 70px;
  }
  
  .bib-step__icon i {
    font-size: 20px;
  }
  
  .feature,
  .why-bibnet__item {
    padding: 25px 20px;
  }
  
  .faq__item {
    padding: 20px 25px;
  }
  
  .bib-step {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  
  .bib-step__number {
    align-self: center;
  }
}